mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 14:11:52 +00:00
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Algorithms: - add private key generation to ecdh Drivers: - add generic gcm(aes) to aesni-intel - add SafeXcel EIP197 crypto engine driver - add ecb(aes), cfb(aes) and ecb(des3_ede) to cavium - add support for CNN55XX adapters in cavium - add ctr mode to chcr - add support for gcm(aes) to omap" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (140 commits) crypto: testmgr - Reenable sha1/aes in FIPS mode crypto: ccp - Release locks before returning crypto: cavium/nitrox - dma_mapping_error() returns bool crypto: doc - fix typo in docs Documentation/bindings: Document the SafeXel cryptographic engine driver crypto: caam - fix gfp allocation flags (part II) crypto: caam - fix gfp allocation flags (part I) crypto: drbg - Fixes panic in wait_for_completion call crypto: caam - make of_device_ids const. crypto: vmx - remove unnecessary check crypto: n2 - make of_device_ids const crypto: inside-secure - use the base_end pointer in ring rollback crypto: inside-secure - increase the batch size crypto: inside-secure - only dequeue when needed crypto: inside-secure - get the backlog before dequeueing the request crypto: inside-secure - stop requeueing failed requests crypto: inside-secure - use one queue per hw ring crypto: inside-secure - update the context and request later crypto: inside-secure - align the cipher and hash send functions crypto: inside-secure - optimize DSE bufferability control ...
This commit is contained in:
commit
8ad06e56dc
@ -155,9 +155,9 @@ Code Example For Use of Operational State Memory With SHASH
|
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char ctx[];
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};
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static struct sdesc init_sdesc(struct crypto_shash *alg)
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static struct sdesc *init_sdesc(struct crypto_shash *alg)
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{
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struct sdesc sdesc;
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struct sdesc *sdesc;
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int size;
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size = sizeof(struct shash_desc) + crypto_shash_descsize(alg);
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@ -169,15 +169,16 @@ Code Example For Use of Operational State Memory With SHASH
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return sdesc;
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}
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static int calc_hash(struct crypto_shashalg,
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const unsigned chardata, unsigned int datalen,
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unsigned chardigest) {
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struct sdesc sdesc;
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static int calc_hash(struct crypto_shash *alg,
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const unsigned char *data, unsigned int datalen,
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unsigned char *digest)
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{
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struct sdesc *sdesc;
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int ret;
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sdesc = init_sdesc(alg);
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if (IS_ERR(sdesc)) {
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pr_info("trusted_key: can't alloc %s\n", hash_alg);
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pr_info("can't alloc sdesc\n");
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return PTR_ERR(sdesc);
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}
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@ -186,6 +187,23 @@ Code Example For Use of Operational State Memory With SHASH
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return ret;
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}
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static int test_hash(const unsigned char *data, unsigned int datalen,
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unsigned char *digest)
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{
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struct crypto_shash *alg;
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char *hash_alg_name = "sha1-padlock-nano";
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int ret;
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alg = crypto_alloc_shash(hash_alg_name, CRYPTO_ALG_TYPE_SHASH, 0);
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if (IS_ERR(alg)) {
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pr_info("can't alloc alg %s\n", hash_alg_name);
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return PTR_ERR(alg);
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}
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ret = calc_hash(alg, data, datalen, digest);
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crypto_free_shash(alg);
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return ret;
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}
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Code Example For Random Number Generator Usage
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----------------------------------------------
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@ -195,8 +213,8 @@ Code Example For Random Number Generator Usage
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static int get_random_numbers(u8 *buf, unsigned int len)
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{
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struct crypto_rngrng = NULL;
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chardrbg = "drbg_nopr_sha256"; /* Hash DRBG with SHA-256, no PR */
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struct crypto_rng *rng = NULL;
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char *drbg = "drbg_nopr_sha256"; /* Hash DRBG with SHA-256, no PR */
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int ret;
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if (!buf || !len) {
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@ -207,7 +225,7 @@ Code Example For Random Number Generator Usage
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rng = crypto_alloc_rng(drbg, 0, 0);
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if (IS_ERR(rng)) {
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pr_debug("could not allocate RNG handle for %s\n", drbg);
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return -PTR_ERR(rng);
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return PTR_ERR(rng);
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}
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ret = crypto_rng_get_bytes(rng, buf, len);
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|
@ -327,7 +327,7 @@ boundary. Non-aligned data can be used as well, but may require more
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operations of the kernel which would defeat the speed gains obtained
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from the zero-copy interface.
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The system-interent limit for the size of one zero-copy operation is 16
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The system-inherent limit for the size of one zero-copy operation is 16
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pages. If more data is to be sent to AF_ALG, user space must slice the
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input into segments with a maximum size of 16 pages.
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|
@ -0,0 +1,29 @@
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Inside Secure SafeXcel cryptographic engine
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Required properties:
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- compatible: Should be "inside-secure,safexcel-eip197".
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- reg: Base physical address of the engine and length of memory mapped region.
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- interrupts: Interrupt numbers for the rings and engine.
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- interrupt-names: Should be "ring0", "ring1", "ring2", "ring3", "eip", "mem".
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Optional properties:
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- clocks: Reference to the crypto engine clock.
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- dma-mask: The address mask limitation. Defaults to 64.
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Example:
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crypto: crypto@800000 {
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compatible = "inside-secure,safexcel-eip197";
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reg = <0x800000 0x200000>;
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interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "mem", "ring0", "ring1", "ring2", "ring3",
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"eip";
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clocks = <&cpm_syscon0 1 26>;
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dma-mask = <0xff 0xffffffff>;
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status = "disabled";
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};
|
@ -6,8 +6,7 @@ Required properties:
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- interrupts: Should contain the five crypto engines interrupts in numeric
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order. These are global system and four descriptor rings.
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- clocks: the clock used by the core
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- clock-names: the names of the clock listed in the clocks property. These are
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"ethif", "cryp"
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- clock-names: Must contain "cryp".
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- power-domains: Must contain a reference to the PM domain.
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|
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@ -20,8 +19,7 @@ Example:
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<GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>,
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<GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>,
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<GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>;
|
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clocks = <&topckgen CLK_TOP_ETHIF_SEL>,
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<ðsys CLK_ETHSYS_CRYPTO>;
|
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clock-names = "ethif","cryp";
|
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clocks = <ðsys CLK_ETHSYS_CRYPTO>;
|
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clock-names = "cryp";
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power-domains = <&scpsys MT2701_POWER_DOMAIN_ETH>;
|
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};
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|
@ -2,7 +2,9 @@ Device-Tree bindings for Mediatek random number generator
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found in Mediatek SoC family
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Required properties:
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- compatible : Should be "mediatek,mt7623-rng"
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- compatible : Should be
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"mediatek,mt7622-rng", "mediatek,mt7623-rng" : for MT7622
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"mediatek,mt7623-rng" : for MT7623
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- clocks : list of clock specifiers, corresponding to
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entries in clock-names property;
|
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- clock-names : Should contain "rng" entries;
|
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|
@ -5,6 +5,13 @@ Required properties:
|
||||
- reg : base address to sample from
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- period : wait time in microseconds to use between samples
|
||||
|
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Optional properties:
|
||||
- quality : estimated number of bits of true entropy per 1024 bits read from the
|
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rng. Defaults to zero which causes the kernel's default quality to
|
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be used instead. Note that the default quality is usually zero
|
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which disables using this rng to automatically fill the kernel's
|
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entropy pool.
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N.B. currently 'reg' must be four bytes wide and aligned
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Example:
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|
18
MAINTAINERS
18
MAINTAINERS
@ -3746,6 +3746,13 @@ S: Supported
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F: drivers/infiniband/hw/cxgb4/
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F: include/uapi/rdma/cxgb4-abi.h
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CXGB4 CRYPTO DRIVER (chcr)
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M: Harsh Jain <harsh@chelsio.com>
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L: linux-crypto@vger.kernel.org
|
||||
W: http://www.chelsio.com
|
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S: Supported
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||||
F: drivers/crypto/chelsio
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|
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CXGB4VF ETHERNET DRIVER (CXGB4VF)
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M: Casey Leedom <leedom@chelsio.com>
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L: netdev@vger.kernel.org
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@ -6647,6 +6654,12 @@ F: Documentation/input/multi-touch-protocol.rst
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F: drivers/input/input-mt.c
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K: \b(ABS|SYN)_MT_
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INSIDE SECURE CRYPTO DRIVER
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M: Antoine Tenart <antoine.tenart@free-electrons.com>
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F: drivers/crypto/inside-secure/
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S: Maintained
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L: linux-crypto@vger.kernel.org
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INTEL ASoC BDW/HSW DRIVERS
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M: Jie Yang <yang.jie@linux.intel.com>
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L: alsa-devel@alsa-project.org (moderated for non-subscribers)
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@ -8306,6 +8319,11 @@ L: linux-wireless@vger.kernel.org
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S: Maintained
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F: drivers/net/wireless/mediatek/mt7601u/
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MEDIATEK RANDOM NUMBER GENERATOR SUPPORT
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M: Sean Wang <sean.wang@mediatek.com>
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S: Maintained
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F: drivers/char/hw_random/mtk-rng.c
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|
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MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES
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M: Peter Senna Tschudin <peter.senna@collabora.com>
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M: Martin Donnelly <martin.donnelly@ge.com>
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|
@ -14,6 +14,7 @@
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#include <crypto/aes.h>
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#include <crypto/internal/simd.h>
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#include <crypto/internal/skcipher.h>
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#include <linux/cpufeature.h>
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#include <linux/module.h>
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#include <crypto/xts.h>
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|
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@ -425,9 +426,6 @@ static int __init aes_init(void)
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int err;
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int i;
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|
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if (!(elf_hwcap2 & HWCAP2_AES))
|
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return -ENODEV;
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|
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err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
|
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if (err)
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return err;
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@ -451,5 +449,5 @@ unregister_simds:
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return err;
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}
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|
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module_init(aes_init);
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module_cpu_feature_match(AES, aes_init);
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module_exit(aes_exit);
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|
@ -8,6 +8,7 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
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#include <linux/cpufeature.h>
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#include <linux/crc32.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
|
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@ -233,6 +234,11 @@ static void __exit crc32_pmull_mod_exit(void)
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ARRAY_SIZE(crc32_pmull_algs));
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}
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|
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static const struct cpu_feature crc32_cpu_feature[] = {
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{ cpu_feature(CRC32) }, { cpu_feature(PMULL) }, { }
|
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};
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MODULE_DEVICE_TABLE(cpu, crc32_cpu_feature);
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module_init(crc32_pmull_mod_init);
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module_exit(crc32_pmull_mod_exit);
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|
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|
@ -15,6 +15,7 @@
|
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#include <crypto/cryptd.h>
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#include <crypto/internal/hash.h>
|
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#include <crypto/gf128mul.h>
|
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#include <linux/cpufeature.h>
|
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#include <linux/crypto.h>
|
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#include <linux/module.h>
|
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|
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@ -311,9 +312,6 @@ static int __init ghash_ce_mod_init(void)
|
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{
|
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int err;
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|
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if (!(elf_hwcap2 & HWCAP2_PMULL))
|
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return -ENODEV;
|
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|
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err = crypto_register_shash(&ghash_alg);
|
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if (err)
|
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return err;
|
||||
@ -334,5 +332,5 @@ static void __exit ghash_ce_mod_exit(void)
|
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crypto_unregister_shash(&ghash_alg);
|
||||
}
|
||||
|
||||
module_init(ghash_ce_mod_init);
|
||||
module_cpu_feature_match(PMULL, ghash_ce_mod_init);
|
||||
module_exit(ghash_ce_mod_exit);
|
||||
|
@ -11,6 +11,7 @@
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <crypto/sha1_base.h>
|
||||
#include <linux/cpufeature.h>
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/module.h>
|
||||
|
||||
@ -82,8 +83,6 @@ static struct shash_alg alg = {
|
||||
|
||||
static int __init sha1_ce_mod_init(void)
|
||||
{
|
||||
if (!(elf_hwcap2 & HWCAP2_SHA1))
|
||||
return -ENODEV;
|
||||
return crypto_register_shash(&alg);
|
||||
}
|
||||
|
||||
@ -92,5 +91,5 @@ static void __exit sha1_ce_mod_fini(void)
|
||||
crypto_unregister_shash(&alg);
|
||||
}
|
||||
|
||||
module_init(sha1_ce_mod_init);
|
||||
module_cpu_feature_match(SHA1, sha1_ce_mod_init);
|
||||
module_exit(sha1_ce_mod_fini);
|
||||
|
@ -11,6 +11,7 @@
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <crypto/sha256_base.h>
|
||||
#include <linux/cpufeature.h>
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/module.h>
|
||||
|
||||
@ -100,8 +101,6 @@ static struct shash_alg algs[] = { {
|
||||
|
||||
static int __init sha2_ce_mod_init(void)
|
||||
{
|
||||
if (!(elf_hwcap2 & HWCAP2_SHA2))
|
||||
return -ENODEV;
|
||||
return crypto_register_shashes(algs, ARRAY_SIZE(algs));
|
||||
}
|
||||
|
||||
@ -110,5 +109,5 @@ static void __exit sha2_ce_mod_fini(void)
|
||||
crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
|
||||
}
|
||||
|
||||
module_init(sha2_ce_mod_init);
|
||||
module_cpu_feature_match(SHA2, sha2_ce_mod_init);
|
||||
module_exit(sha2_ce_mod_fini);
|
||||
|
@ -82,7 +82,8 @@ ENTRY(sha1_ce_transform)
|
||||
ldr dgb, [x0, #16]
|
||||
|
||||
/* load sha1_ce_state::finalize */
|
||||
ldr w4, [x0, #:lo12:sha1_ce_offsetof_finalize]
|
||||
ldr_l w4, sha1_ce_offsetof_finalize, x4
|
||||
ldr w4, [x0, x4]
|
||||
|
||||
/* load input */
|
||||
0: ld1 {v8.4s-v11.4s}, [x1], #64
|
||||
@ -132,7 +133,8 @@ CPU_LE( rev32 v11.16b, v11.16b )
|
||||
* the padding is handled by the C code in that case.
|
||||
*/
|
||||
cbz x4, 3f
|
||||
ldr x4, [x0, #:lo12:sha1_ce_offsetof_count]
|
||||
ldr_l w4, sha1_ce_offsetof_count, x4
|
||||
ldr x4, [x0, x4]
|
||||
movi v9.2d, #0
|
||||
mov x8, #0x80000000
|
||||
movi v10.2d, #0
|
||||
|
@ -17,9 +17,6 @@
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/module.h>
|
||||
|
||||
#define ASM_EXPORT(sym, val) \
|
||||
asm(".globl " #sym "; .set " #sym ", %0" :: "I"(val));
|
||||
|
||||
MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions");
|
||||
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
@ -32,6 +29,9 @@ struct sha1_ce_state {
|
||||
asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
|
||||
int blocks);
|
||||
|
||||
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
|
||||
const u32 sha1_ce_offsetof_finalize = offsetof(struct sha1_ce_state, finalize);
|
||||
|
||||
static int sha1_ce_update(struct shash_desc *desc, const u8 *data,
|
||||
unsigned int len)
|
||||
{
|
||||
@ -52,11 +52,6 @@ static int sha1_ce_finup(struct shash_desc *desc, const u8 *data,
|
||||
struct sha1_ce_state *sctx = shash_desc_ctx(desc);
|
||||
bool finalize = !sctx->sst.count && !(len % SHA1_BLOCK_SIZE);
|
||||
|
||||
ASM_EXPORT(sha1_ce_offsetof_count,
|
||||
offsetof(struct sha1_ce_state, sst.count));
|
||||
ASM_EXPORT(sha1_ce_offsetof_finalize,
|
||||
offsetof(struct sha1_ce_state, finalize));
|
||||
|
||||
/*
|
||||
* Allow the asm code to perform the finalization if there is no
|
||||
* partial data and the input is a round multiple of the block size.
|
||||
|
@ -88,7 +88,8 @@ ENTRY(sha2_ce_transform)
|
||||
ld1 {dgav.4s, dgbv.4s}, [x0]
|
||||
|
||||
/* load sha256_ce_state::finalize */
|
||||
ldr w4, [x0, #:lo12:sha256_ce_offsetof_finalize]
|
||||
ldr_l w4, sha256_ce_offsetof_finalize, x4
|
||||
ldr w4, [x0, x4]
|
||||
|
||||
/* load input */
|
||||
0: ld1 {v16.4s-v19.4s}, [x1], #64
|
||||
@ -136,7 +137,8 @@ CPU_LE( rev32 v19.16b, v19.16b )
|
||||
* the padding is handled by the C code in that case.
|
||||
*/
|
||||
cbz x4, 3f
|
||||
ldr x4, [x0, #:lo12:sha256_ce_offsetof_count]
|
||||
ldr_l w4, sha256_ce_offsetof_count, x4
|
||||
ldr x4, [x0, x4]
|
||||
movi v17.2d, #0
|
||||
mov x8, #0x80000000
|
||||
movi v18.2d, #0
|
||||
|
@ -17,9 +17,6 @@
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/module.h>
|
||||
|
||||
#define ASM_EXPORT(sym, val) \
|
||||
asm(".globl " #sym "; .set " #sym ", %0" :: "I"(val));
|
||||
|
||||
MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
|
||||
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
@ -32,6 +29,11 @@ struct sha256_ce_state {
|
||||
asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
|
||||
int blocks);
|
||||
|
||||
const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
|
||||
sst.count);
|
||||
const u32 sha256_ce_offsetof_finalize = offsetof(struct sha256_ce_state,
|
||||
finalize);
|
||||
|
||||
static int sha256_ce_update(struct shash_desc *desc, const u8 *data,
|
||||
unsigned int len)
|
||||
{
|
||||
@ -52,11 +54,6 @@ static int sha256_ce_finup(struct shash_desc *desc, const u8 *data,
|
||||
struct sha256_ce_state *sctx = shash_desc_ctx(desc);
|
||||
bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE);
|
||||
|
||||
ASM_EXPORT(sha256_ce_offsetof_count,
|
||||
offsetof(struct sha256_ce_state, sst.count));
|
||||
ASM_EXPORT(sha256_ce_offsetof_finalize,
|
||||
offsetof(struct sha256_ce_state, finalize));
|
||||
|
||||
/*
|
||||
* Allow the asm code to perform the finalization if there is no
|
||||
* partial data and the input is a round multiple of the block size.
|
||||
|
@ -42,17 +42,15 @@
|
||||
#define R5E %esi
|
||||
#define R6 %rdi
|
||||
#define R6E %edi
|
||||
#define R7 %rbp
|
||||
#define R7E %ebp
|
||||
#define R7 %r9 /* don't use %rbp; it breaks stack traces */
|
||||
#define R7E %r9d
|
||||
#define R8 %r8
|
||||
#define R9 %r9
|
||||
#define R10 %r10
|
||||
#define R11 %r11
|
||||
|
||||
#define prologue(FUNC,KEY,B128,B192,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11) \
|
||||
#define prologue(FUNC,KEY,B128,B192,r1,r2,r5,r6,r7,r8,r9,r10,r11) \
|
||||
ENTRY(FUNC); \
|
||||
movq r1,r2; \
|
||||
movq r3,r4; \
|
||||
leaq KEY+48(r8),r9; \
|
||||
movq r10,r11; \
|
||||
movl (r7),r5 ## E; \
|
||||
@ -70,9 +68,8 @@
|
||||
je B192; \
|
||||
leaq 32(r9),r9;
|
||||
|
||||
#define epilogue(FUNC,r1,r2,r3,r4,r5,r6,r7,r8,r9) \
|
||||
#define epilogue(FUNC,r1,r2,r5,r6,r7,r8,r9) \
|
||||
movq r1,r2; \
|
||||
movq r3,r4; \
|
||||
movl r5 ## E,(r9); \
|
||||
movl r6 ## E,4(r9); \
|
||||
movl r7 ## E,8(r9); \
|
||||
@ -88,12 +85,12 @@
|
||||
movl TAB(,r6,4),r6 ## E; \
|
||||
roll $16,r2 ## E; \
|
||||
shrl $16,r4 ## E; \
|
||||
movzbl r4 ## H,r7 ## E; \
|
||||
movzbl r4 ## L,r4 ## E; \
|
||||
movzbl r4 ## L,r7 ## E; \
|
||||
movzbl r4 ## H,r4 ## E; \
|
||||
xorl OFFSET(r8),ra ## E; \
|
||||
xorl OFFSET+4(r8),rb ## E; \
|
||||
xorl TAB+3072(,r7,4),r5 ## E;\
|
||||
xorl TAB+2048(,r4,4),r6 ## E;\
|
||||
xorl TAB+3072(,r4,4),r5 ## E;\
|
||||
xorl TAB+2048(,r7,4),r6 ## E;\
|
||||
movzbl r1 ## L,r7 ## E; \
|
||||
movzbl r1 ## H,r4 ## E; \
|
||||
movl TAB+1024(,r4,4),r4 ## E;\
|
||||
@ -101,19 +98,19 @@
|
||||
roll $16,r1 ## E; \
|
||||
shrl $16,r3 ## E; \
|
||||
xorl TAB(,r7,4),r5 ## E; \
|
||||
movzbl r3 ## H,r7 ## E; \
|
||||
movzbl r3 ## L,r3 ## E; \
|
||||
xorl TAB+3072(,r7,4),r4 ## E;\
|
||||
xorl TAB+2048(,r3,4),r5 ## E;\
|
||||
movzbl r1 ## H,r7 ## E; \
|
||||
movzbl r1 ## L,r3 ## E; \
|
||||
movzbl r3 ## L,r7 ## E; \
|
||||
movzbl r3 ## H,r3 ## E; \
|
||||
xorl TAB+3072(,r3,4),r4 ## E;\
|
||||
xorl TAB+2048(,r7,4),r5 ## E;\
|
||||
movzbl r1 ## L,r7 ## E; \
|
||||
movzbl r1 ## H,r3 ## E; \
|
||||
shrl $16,r1 ## E; \
|
||||
xorl TAB+3072(,r7,4),r6 ## E;\
|
||||
movl TAB+2048(,r3,4),r3 ## E;\
|
||||
movzbl r1 ## H,r7 ## E; \
|
||||
movzbl r1 ## L,r1 ## E; \
|
||||
xorl TAB+1024(,r7,4),r6 ## E;\
|
||||
xorl TAB(,r1,4),r3 ## E; \
|
||||
xorl TAB+3072(,r3,4),r6 ## E;\
|
||||
movl TAB+2048(,r7,4),r3 ## E;\
|
||||
movzbl r1 ## L,r7 ## E; \
|
||||
movzbl r1 ## H,r1 ## E; \
|
||||
xorl TAB+1024(,r1,4),r6 ## E;\
|
||||
xorl TAB(,r7,4),r3 ## E; \
|
||||
movzbl r2 ## H,r1 ## E; \
|
||||
movzbl r2 ## L,r7 ## E; \
|
||||
shrl $16,r2 ## E; \
|
||||
@ -131,9 +128,9 @@
|
||||
movl r4 ## E,r2 ## E;
|
||||
|
||||
#define entry(FUNC,KEY,B128,B192) \
|
||||
prologue(FUNC,KEY,B128,B192,R2,R8,R7,R9,R1,R3,R4,R6,R10,R5,R11)
|
||||
prologue(FUNC,KEY,B128,B192,R2,R8,R1,R3,R4,R6,R10,R5,R11)
|
||||
|
||||
#define return(FUNC) epilogue(FUNC,R8,R2,R9,R7,R5,R6,R3,R4,R11)
|
||||
#define return(FUNC) epilogue(FUNC,R8,R2,R5,R6,R3,R4,R11)
|
||||
|
||||
#define encrypt_round(TAB,OFFSET) \
|
||||
round(TAB,OFFSET,R1,R2,R3,R4,R5,R6,R7,R10,R5,R6,R3,R4) \
|
||||
|
@ -89,6 +89,29 @@ SHIFT_MASK: .octa 0x0f0e0d0c0b0a09080706050403020100
|
||||
ALL_F: .octa 0xffffffffffffffffffffffffffffffff
|
||||
.octa 0x00000000000000000000000000000000
|
||||
|
||||
.section .rodata
|
||||
.align 16
|
||||
.type aad_shift_arr, @object
|
||||
.size aad_shift_arr, 272
|
||||
aad_shift_arr:
|
||||
.octa 0xffffffffffffffffffffffffffffffff
|
||||
.octa 0xffffffffffffffffffffffffffffff0C
|
||||
.octa 0xffffffffffffffffffffffffffff0D0C
|
||||
.octa 0xffffffffffffffffffffffffff0E0D0C
|
||||
.octa 0xffffffffffffffffffffffff0F0E0D0C
|
||||
.octa 0xffffffffffffffffffffff0C0B0A0908
|
||||
.octa 0xffffffffffffffffffff0D0C0B0A0908
|
||||
.octa 0xffffffffffffffffff0E0D0C0B0A0908
|
||||
.octa 0xffffffffffffffff0F0E0D0C0B0A0908
|
||||
.octa 0xffffffffffffff0C0B0A090807060504
|
||||
.octa 0xffffffffffff0D0C0B0A090807060504
|
||||
.octa 0xffffffffff0E0D0C0B0A090807060504
|
||||
.octa 0xffffffff0F0E0D0C0B0A090807060504
|
||||
.octa 0xffffff0C0B0A09080706050403020100
|
||||
.octa 0xffff0D0C0B0A09080706050403020100
|
||||
.octa 0xff0E0D0C0B0A09080706050403020100
|
||||
.octa 0x0F0E0D0C0B0A09080706050403020100
|
||||
|
||||
|
||||
.text
|
||||
|
||||
@ -252,32 +275,66 @@ XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
|
||||
mov arg8, %r12 # %r12 = aadLen
|
||||
mov %r12, %r11
|
||||
pxor %xmm\i, %xmm\i
|
||||
pxor \XMM2, \XMM2
|
||||
|
||||
_get_AAD_loop\num_initial_blocks\operation:
|
||||
movd (%r10), \TMP1
|
||||
cmp $16, %r11
|
||||
jl _get_AAD_rest8\num_initial_blocks\operation
|
||||
_get_AAD_blocks\num_initial_blocks\operation:
|
||||
movdqu (%r10), %xmm\i
|
||||
PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
|
||||
pxor %xmm\i, \XMM2
|
||||
GHASH_MUL \XMM2, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
add $16, %r10
|
||||
sub $16, %r12
|
||||
sub $16, %r11
|
||||
cmp $16, %r11
|
||||
jge _get_AAD_blocks\num_initial_blocks\operation
|
||||
|
||||
movdqu \XMM2, %xmm\i
|
||||
cmp $0, %r11
|
||||
je _get_AAD_done\num_initial_blocks\operation
|
||||
|
||||
pxor %xmm\i,%xmm\i
|
||||
|
||||
/* read the last <16B of AAD. since we have at least 4B of
|
||||
data right after the AAD (the ICV, and maybe some CT), we can
|
||||
read 4B/8B blocks safely, and then get rid of the extra stuff */
|
||||
_get_AAD_rest8\num_initial_blocks\operation:
|
||||
cmp $4, %r11
|
||||
jle _get_AAD_rest4\num_initial_blocks\operation
|
||||
movq (%r10), \TMP1
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
pslldq $8, \TMP1
|
||||
psrldq $8, %xmm\i
|
||||
pxor \TMP1, %xmm\i
|
||||
jmp _get_AAD_rest8\num_initial_blocks\operation
|
||||
_get_AAD_rest4\num_initial_blocks\operation:
|
||||
cmp $0, %r11
|
||||
jle _get_AAD_rest0\num_initial_blocks\operation
|
||||
mov (%r10), %eax
|
||||
movq %rax, \TMP1
|
||||
add $4, %r10
|
||||
sub $4, %r10
|
||||
pslldq $12, \TMP1
|
||||
psrldq $4, %xmm\i
|
||||
pxor \TMP1, %xmm\i
|
||||
add $4, %r10
|
||||
sub $4, %r12
|
||||
jne _get_AAD_loop\num_initial_blocks\operation
|
||||
|
||||
cmp $16, %r11
|
||||
je _get_AAD_loop2_done\num_initial_blocks\operation
|
||||
|
||||
mov $16, %r12
|
||||
_get_AAD_loop2\num_initial_blocks\operation:
|
||||
psrldq $4, %xmm\i
|
||||
sub $4, %r12
|
||||
cmp %r11, %r12
|
||||
jne _get_AAD_loop2\num_initial_blocks\operation
|
||||
|
||||
_get_AAD_loop2_done\num_initial_blocks\operation:
|
||||
_get_AAD_rest0\num_initial_blocks\operation:
|
||||
/* finalize: shift out the extra bytes we read, and align
|
||||
left. since pslldq can only shift by an immediate, we use
|
||||
vpshufb and an array of shuffle masks */
|
||||
movq %r12, %r11
|
||||
salq $4, %r11
|
||||
movdqu aad_shift_arr(%r11), \TMP1
|
||||
PSHUFB_XMM \TMP1, %xmm\i
|
||||
_get_AAD_rest_final\num_initial_blocks\operation:
|
||||
PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
|
||||
pxor \XMM2, %xmm\i
|
||||
GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
|
||||
_get_AAD_done\num_initial_blocks\operation:
|
||||
xor %r11, %r11 # initialise the data pointer offset as zero
|
||||
|
||||
# start AES for num_initial_blocks blocks
|
||||
# start AES for num_initial_blocks blocks
|
||||
|
||||
mov %arg5, %rax # %rax = *Y0
|
||||
movdqu (%rax), \XMM0 # XMM0 = Y0
|
||||
@ -322,7 +379,7 @@ aes_loop_initial_dec\num_initial_blocks:
|
||||
# prepare plaintext/ciphertext for GHASH computation
|
||||
.endr
|
||||
.endif
|
||||
GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
|
||||
# apply GHASH on num_initial_blocks blocks
|
||||
|
||||
.if \i == 5
|
||||
@ -477,28 +534,66 @@ XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
|
||||
mov arg8, %r12 # %r12 = aadLen
|
||||
mov %r12, %r11
|
||||
pxor %xmm\i, %xmm\i
|
||||
_get_AAD_loop\num_initial_blocks\operation:
|
||||
movd (%r10), \TMP1
|
||||
pxor \XMM2, \XMM2
|
||||
|
||||
cmp $16, %r11
|
||||
jl _get_AAD_rest8\num_initial_blocks\operation
|
||||
_get_AAD_blocks\num_initial_blocks\operation:
|
||||
movdqu (%r10), %xmm\i
|
||||
PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
|
||||
pxor %xmm\i, \XMM2
|
||||
GHASH_MUL \XMM2, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
add $16, %r10
|
||||
sub $16, %r12
|
||||
sub $16, %r11
|
||||
cmp $16, %r11
|
||||
jge _get_AAD_blocks\num_initial_blocks\operation
|
||||
|
||||
movdqu \XMM2, %xmm\i
|
||||
cmp $0, %r11
|
||||
je _get_AAD_done\num_initial_blocks\operation
|
||||
|
||||
pxor %xmm\i,%xmm\i
|
||||
|
||||
/* read the last <16B of AAD. since we have at least 4B of
|
||||
data right after the AAD (the ICV, and maybe some PT), we can
|
||||
read 4B/8B blocks safely, and then get rid of the extra stuff */
|
||||
_get_AAD_rest8\num_initial_blocks\operation:
|
||||
cmp $4, %r11
|
||||
jle _get_AAD_rest4\num_initial_blocks\operation
|
||||
movq (%r10), \TMP1
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
pslldq $8, \TMP1
|
||||
psrldq $8, %xmm\i
|
||||
pxor \TMP1, %xmm\i
|
||||
jmp _get_AAD_rest8\num_initial_blocks\operation
|
||||
_get_AAD_rest4\num_initial_blocks\operation:
|
||||
cmp $0, %r11
|
||||
jle _get_AAD_rest0\num_initial_blocks\operation
|
||||
mov (%r10), %eax
|
||||
movq %rax, \TMP1
|
||||
add $4, %r10
|
||||
sub $4, %r10
|
||||
pslldq $12, \TMP1
|
||||
psrldq $4, %xmm\i
|
||||
pxor \TMP1, %xmm\i
|
||||
add $4, %r10
|
||||
sub $4, %r12
|
||||
jne _get_AAD_loop\num_initial_blocks\operation
|
||||
cmp $16, %r11
|
||||
je _get_AAD_loop2_done\num_initial_blocks\operation
|
||||
mov $16, %r12
|
||||
_get_AAD_loop2\num_initial_blocks\operation:
|
||||
psrldq $4, %xmm\i
|
||||
sub $4, %r12
|
||||
cmp %r11, %r12
|
||||
jne _get_AAD_loop2\num_initial_blocks\operation
|
||||
_get_AAD_loop2_done\num_initial_blocks\operation:
|
||||
_get_AAD_rest0\num_initial_blocks\operation:
|
||||
/* finalize: shift out the extra bytes we read, and align
|
||||
left. since pslldq can only shift by an immediate, we use
|
||||
vpshufb and an array of shuffle masks */
|
||||
movq %r12, %r11
|
||||
salq $4, %r11
|
||||
movdqu aad_shift_arr(%r11), \TMP1
|
||||
PSHUFB_XMM \TMP1, %xmm\i
|
||||
_get_AAD_rest_final\num_initial_blocks\operation:
|
||||
PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
|
||||
pxor \XMM2, %xmm\i
|
||||
GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
|
||||
_get_AAD_done\num_initial_blocks\operation:
|
||||
xor %r11, %r11 # initialise the data pointer offset as zero
|
||||
|
||||
# start AES for num_initial_blocks blocks
|
||||
# start AES for num_initial_blocks blocks
|
||||
|
||||
mov %arg5, %rax # %rax = *Y0
|
||||
movdqu (%rax), \XMM0 # XMM0 = Y0
|
||||
@ -543,7 +638,7 @@ aes_loop_initial_enc\num_initial_blocks:
|
||||
# prepare plaintext/ciphertext for GHASH computation
|
||||
.endr
|
||||
.endif
|
||||
GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
|
||||
|
||||
# apply GHASH on num_initial_blocks blocks
|
||||
|
||||
.if \i == 5
|
||||
@ -1454,18 +1549,35 @@ _return_T_decrypt:
|
||||
mov arg10, %r11 # %r11 = auth_tag_len
|
||||
cmp $16, %r11
|
||||
je _T_16_decrypt
|
||||
cmp $12, %r11
|
||||
je _T_12_decrypt
|
||||
cmp $8, %r11
|
||||
jl _T_4_decrypt
|
||||
_T_8_decrypt:
|
||||
MOVQ_R64_XMM %xmm0, %rax
|
||||
mov %rax, (%r10)
|
||||
jmp _return_T_done_decrypt
|
||||
_T_12_decrypt:
|
||||
MOVQ_R64_XMM %xmm0, %rax
|
||||
mov %rax, (%r10)
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
psrldq $8, %xmm0
|
||||
cmp $0, %r11
|
||||
je _return_T_done_decrypt
|
||||
_T_4_decrypt:
|
||||
movd %xmm0, %eax
|
||||
mov %eax, 8(%r10)
|
||||
mov %eax, (%r10)
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
psrldq $4, %xmm0
|
||||
cmp $0, %r11
|
||||
je _return_T_done_decrypt
|
||||
_T_123_decrypt:
|
||||
movd %xmm0, %eax
|
||||
cmp $2, %r11
|
||||
jl _T_1_decrypt
|
||||
mov %ax, (%r10)
|
||||
cmp $2, %r11
|
||||
je _return_T_done_decrypt
|
||||
add $2, %r10
|
||||
sar $16, %eax
|
||||
_T_1_decrypt:
|
||||
mov %al, (%r10)
|
||||
jmp _return_T_done_decrypt
|
||||
_T_16_decrypt:
|
||||
movdqu %xmm0, (%r10)
|
||||
@ -1718,18 +1830,35 @@ _return_T_encrypt:
|
||||
mov arg10, %r11 # %r11 = auth_tag_len
|
||||
cmp $16, %r11
|
||||
je _T_16_encrypt
|
||||
cmp $12, %r11
|
||||
je _T_12_encrypt
|
||||
cmp $8, %r11
|
||||
jl _T_4_encrypt
|
||||
_T_8_encrypt:
|
||||
MOVQ_R64_XMM %xmm0, %rax
|
||||
mov %rax, (%r10)
|
||||
jmp _return_T_done_encrypt
|
||||
_T_12_encrypt:
|
||||
MOVQ_R64_XMM %xmm0, %rax
|
||||
mov %rax, (%r10)
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
psrldq $8, %xmm0
|
||||
cmp $0, %r11
|
||||
je _return_T_done_encrypt
|
||||
_T_4_encrypt:
|
||||
movd %xmm0, %eax
|
||||
mov %eax, 8(%r10)
|
||||
mov %eax, (%r10)
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
psrldq $4, %xmm0
|
||||
cmp $0, %r11
|
||||
je _return_T_done_encrypt
|
||||
_T_123_encrypt:
|
||||
movd %xmm0, %eax
|
||||
cmp $2, %r11
|
||||
jl _T_1_encrypt
|
||||
mov %ax, (%r10)
|
||||
cmp $2, %r11
|
||||
je _return_T_done_encrypt
|
||||
add $2, %r10
|
||||
sar $16, %eax
|
||||
_T_1_encrypt:
|
||||
mov %al, (%r10)
|
||||
jmp _return_T_done_encrypt
|
||||
_T_16_encrypt:
|
||||
movdqu %xmm0, (%r10)
|
||||
|
@ -155,6 +155,30 @@ SHIFT_MASK: .octa 0x0f0e0d0c0b0a09080706050403020100
|
||||
ALL_F: .octa 0xffffffffffffffffffffffffffffffff
|
||||
.octa 0x00000000000000000000000000000000
|
||||
|
||||
.section .rodata
|
||||
.align 16
|
||||
.type aad_shift_arr, @object
|
||||
.size aad_shift_arr, 272
|
||||
aad_shift_arr:
|
||||
.octa 0xffffffffffffffffffffffffffffffff
|
||||
.octa 0xffffffffffffffffffffffffffffff0C
|
||||
.octa 0xffffffffffffffffffffffffffff0D0C
|
||||
.octa 0xffffffffffffffffffffffffff0E0D0C
|
||||
.octa 0xffffffffffffffffffffffff0F0E0D0C
|
||||
.octa 0xffffffffffffffffffffff0C0B0A0908
|
||||
.octa 0xffffffffffffffffffff0D0C0B0A0908
|
||||
.octa 0xffffffffffffffffff0E0D0C0B0A0908
|
||||
.octa 0xffffffffffffffff0F0E0D0C0B0A0908
|
||||
.octa 0xffffffffffffff0C0B0A090807060504
|
||||
.octa 0xffffffffffff0D0C0B0A090807060504
|
||||
.octa 0xffffffffff0E0D0C0B0A090807060504
|
||||
.octa 0xffffffff0F0E0D0C0B0A090807060504
|
||||
.octa 0xffffff0C0B0A09080706050403020100
|
||||
.octa 0xffff0D0C0B0A09080706050403020100
|
||||
.octa 0xff0E0D0C0B0A09080706050403020100
|
||||
.octa 0x0F0E0D0C0B0A09080706050403020100
|
||||
|
||||
|
||||
.text
|
||||
|
||||
|
||||
@ -372,41 +396,72 @@ VARIABLE_OFFSET = 16*8
|
||||
|
||||
.macro INITIAL_BLOCKS_AVX num_initial_blocks T1 T2 T3 T4 T5 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T6 T_key ENC_DEC
|
||||
i = (8-\num_initial_blocks)
|
||||
j = 0
|
||||
setreg
|
||||
|
||||
mov arg6, %r10 # r10 = AAD
|
||||
mov arg7, %r12 # r12 = aadLen
|
||||
mov arg6, %r10 # r10 = AAD
|
||||
mov arg7, %r12 # r12 = aadLen
|
||||
|
||||
|
||||
mov %r12, %r11
|
||||
mov %r12, %r11
|
||||
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
_get_AAD_loop\@:
|
||||
vmovd (%r10), \T1
|
||||
vpslldq $12, \T1, \T1
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
vpxor reg_j, reg_j, reg_j
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
cmp $16, %r11
|
||||
jl _get_AAD_rest8\@
|
||||
_get_AAD_blocks\@:
|
||||
vmovdqu (%r10), reg_i
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
vpxor reg_i, reg_j, reg_j
|
||||
GHASH_MUL_AVX reg_j, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
add $16, %r10
|
||||
sub $16, %r12
|
||||
sub $16, %r11
|
||||
cmp $16, %r11
|
||||
jge _get_AAD_blocks\@
|
||||
vmovdqu reg_j, reg_i
|
||||
cmp $0, %r11
|
||||
je _get_AAD_done\@
|
||||
|
||||
add $4, %r10
|
||||
sub $4, %r12
|
||||
jg _get_AAD_loop\@
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
|
||||
/* read the last <16B of AAD. since we have at least 4B of
|
||||
data right after the AAD (the ICV, and maybe some CT), we can
|
||||
read 4B/8B blocks safely, and then get rid of the extra stuff */
|
||||
_get_AAD_rest8\@:
|
||||
cmp $4, %r11
|
||||
jle _get_AAD_rest4\@
|
||||
movq (%r10), \T1
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
vpslldq $8, \T1, \T1
|
||||
vpsrldq $8, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
jmp _get_AAD_rest8\@
|
||||
_get_AAD_rest4\@:
|
||||
cmp $0, %r11
|
||||
jle _get_AAD_rest0\@
|
||||
mov (%r10), %eax
|
||||
movq %rax, \T1
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
vpslldq $12, \T1, \T1
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
_get_AAD_rest0\@:
|
||||
/* finalize: shift out the extra bytes we read, and align
|
||||
left. since pslldq can only shift by an immediate, we use
|
||||
vpshufb and an array of shuffle masks */
|
||||
movq %r12, %r11
|
||||
salq $4, %r11
|
||||
movdqu aad_shift_arr(%r11), \T1
|
||||
vpshufb \T1, reg_i, reg_i
|
||||
_get_AAD_rest_final\@:
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
vpxor reg_j, reg_i, reg_i
|
||||
GHASH_MUL_AVX reg_i, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
|
||||
cmp $16, %r11
|
||||
je _get_AAD_loop2_done\@
|
||||
mov $16, %r12
|
||||
|
||||
_get_AAD_loop2\@:
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
sub $4, %r12
|
||||
cmp %r11, %r12
|
||||
jg _get_AAD_loop2\@
|
||||
|
||||
_get_AAD_loop2_done\@:
|
||||
|
||||
#byte-reflect the AAD data
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
|
||||
_get_AAD_done\@:
|
||||
# initialize the data pointer offset as zero
|
||||
xor %r11, %r11
|
||||
|
||||
@ -480,7 +535,6 @@ _get_AAD_loop2_done\@:
|
||||
i = (8-\num_initial_blocks)
|
||||
j = (9-\num_initial_blocks)
|
||||
setreg
|
||||
GHASH_MUL_AVX reg_i, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
|
||||
.rep \num_initial_blocks
|
||||
vpxor reg_i, reg_j, reg_j
|
||||
@ -1427,19 +1481,36 @@ _return_T\@:
|
||||
cmp $16, %r11
|
||||
je _T_16\@
|
||||
|
||||
cmp $12, %r11
|
||||
je _T_12\@
|
||||
cmp $8, %r11
|
||||
jl _T_4\@
|
||||
|
||||
_T_8\@:
|
||||
vmovq %xmm9, %rax
|
||||
mov %rax, (%r10)
|
||||
jmp _return_T_done\@
|
||||
_T_12\@:
|
||||
vmovq %xmm9, %rax
|
||||
mov %rax, (%r10)
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
vpsrldq $8, %xmm9, %xmm9
|
||||
cmp $0, %r11
|
||||
je _return_T_done\@
|
||||
_T_4\@:
|
||||
vmovd %xmm9, %eax
|
||||
mov %eax, 8(%r10)
|
||||
mov %eax, (%r10)
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
vpsrldq $4, %xmm9, %xmm9
|
||||
cmp $0, %r11
|
||||
je _return_T_done\@
|
||||
_T_123\@:
|
||||
vmovd %xmm9, %eax
|
||||
cmp $2, %r11
|
||||
jl _T_1\@
|
||||
mov %ax, (%r10)
|
||||
cmp $2, %r11
|
||||
je _return_T_done\@
|
||||
add $2, %r10
|
||||
sar $16, %eax
|
||||
_T_1\@:
|
||||
mov %al, (%r10)
|
||||
jmp _return_T_done\@
|
||||
|
||||
_T_16\@:
|
||||
@ -1631,41 +1702,73 @@ ENDPROC(aesni_gcm_dec_avx_gen2)
|
||||
|
||||
.macro INITIAL_BLOCKS_AVX2 num_initial_blocks T1 T2 T3 T4 T5 CTR XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 T6 T_key ENC_DEC VER
|
||||
i = (8-\num_initial_blocks)
|
||||
j = 0
|
||||
setreg
|
||||
|
||||
mov arg6, %r10 # r10 = AAD
|
||||
mov arg7, %r12 # r12 = aadLen
|
||||
mov arg6, %r10 # r10 = AAD
|
||||
mov arg7, %r12 # r12 = aadLen
|
||||
|
||||
|
||||
mov %r12, %r11
|
||||
mov %r12, %r11
|
||||
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
_get_AAD_loop\@:
|
||||
vmovd (%r10), \T1
|
||||
vpslldq $12, \T1, \T1
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
vpxor reg_j, reg_j, reg_j
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
|
||||
add $4, %r10
|
||||
sub $4, %r12
|
||||
jg _get_AAD_loop\@
|
||||
cmp $16, %r11
|
||||
jl _get_AAD_rest8\@
|
||||
_get_AAD_blocks\@:
|
||||
vmovdqu (%r10), reg_i
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
vpxor reg_i, reg_j, reg_j
|
||||
GHASH_MUL_AVX2 reg_j, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
add $16, %r10
|
||||
sub $16, %r12
|
||||
sub $16, %r11
|
||||
cmp $16, %r11
|
||||
jge _get_AAD_blocks\@
|
||||
vmovdqu reg_j, reg_i
|
||||
cmp $0, %r11
|
||||
je _get_AAD_done\@
|
||||
|
||||
vpxor reg_i, reg_i, reg_i
|
||||
|
||||
cmp $16, %r11
|
||||
je _get_AAD_loop2_done\@
|
||||
mov $16, %r12
|
||||
|
||||
_get_AAD_loop2\@:
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
sub $4, %r12
|
||||
cmp %r11, %r12
|
||||
jg _get_AAD_loop2\@
|
||||
|
||||
_get_AAD_loop2_done\@:
|
||||
|
||||
#byte-reflect the AAD data
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
/* read the last <16B of AAD. since we have at least 4B of
|
||||
data right after the AAD (the ICV, and maybe some CT), we can
|
||||
read 4B/8B blocks safely, and then get rid of the extra stuff */
|
||||
_get_AAD_rest8\@:
|
||||
cmp $4, %r11
|
||||
jle _get_AAD_rest4\@
|
||||
movq (%r10), \T1
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
vpslldq $8, \T1, \T1
|
||||
vpsrldq $8, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
jmp _get_AAD_rest8\@
|
||||
_get_AAD_rest4\@:
|
||||
cmp $0, %r11
|
||||
jle _get_AAD_rest0\@
|
||||
mov (%r10), %eax
|
||||
movq %rax, \T1
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
vpslldq $12, \T1, \T1
|
||||
vpsrldq $4, reg_i, reg_i
|
||||
vpxor \T1, reg_i, reg_i
|
||||
_get_AAD_rest0\@:
|
||||
/* finalize: shift out the extra bytes we read, and align
|
||||
left. since pslldq can only shift by an immediate, we use
|
||||
vpshufb and an array of shuffle masks */
|
||||
movq %r12, %r11
|
||||
salq $4, %r11
|
||||
movdqu aad_shift_arr(%r11), \T1
|
||||
vpshufb \T1, reg_i, reg_i
|
||||
_get_AAD_rest_final\@:
|
||||
vpshufb SHUF_MASK(%rip), reg_i, reg_i
|
||||
vpxor reg_j, reg_i, reg_i
|
||||
GHASH_MUL_AVX2 reg_i, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
|
||||
_get_AAD_done\@:
|
||||
# initialize the data pointer offset as zero
|
||||
xor %r11, %r11
|
||||
|
||||
@ -1740,7 +1843,6 @@ _get_AAD_loop2_done\@:
|
||||
i = (8-\num_initial_blocks)
|
||||
j = (9-\num_initial_blocks)
|
||||
setreg
|
||||
GHASH_MUL_AVX2 reg_i, \T2, \T1, \T3, \T4, \T5, \T6
|
||||
|
||||
.rep \num_initial_blocks
|
||||
vpxor reg_i, reg_j, reg_j
|
||||
@ -2702,19 +2804,36 @@ _return_T\@:
|
||||
cmp $16, %r11
|
||||
je _T_16\@
|
||||
|
||||
cmp $12, %r11
|
||||
je _T_12\@
|
||||
cmp $8, %r11
|
||||
jl _T_4\@
|
||||
|
||||
_T_8\@:
|
||||
vmovq %xmm9, %rax
|
||||
mov %rax, (%r10)
|
||||
jmp _return_T_done\@
|
||||
_T_12\@:
|
||||
vmovq %xmm9, %rax
|
||||
mov %rax, (%r10)
|
||||
add $8, %r10
|
||||
sub $8, %r11
|
||||
vpsrldq $8, %xmm9, %xmm9
|
||||
cmp $0, %r11
|
||||
je _return_T_done\@
|
||||
_T_4\@:
|
||||
vmovd %xmm9, %eax
|
||||
mov %eax, 8(%r10)
|
||||
mov %eax, (%r10)
|
||||
add $4, %r10
|
||||
sub $4, %r11
|
||||
vpsrldq $4, %xmm9, %xmm9
|
||||
cmp $0, %r11
|
||||
je _return_T_done\@
|
||||
_T_123\@:
|
||||
vmovd %xmm9, %eax
|
||||
cmp $2, %r11
|
||||
jl _T_1\@
|
||||
mov %ax, (%r10)
|
||||
cmp $2, %r11
|
||||
je _return_T_done\@
|
||||
add $2, %r10
|
||||
sar $16, %eax
|
||||
_T_1\@:
|
||||
mov %al, (%r10)
|
||||
jmp _return_T_done\@
|
||||
|
||||
_T_16\@:
|
||||
|
@ -61,6 +61,11 @@ struct aesni_rfc4106_gcm_ctx {
|
||||
u8 nonce[4];
|
||||
};
|
||||
|
||||
struct generic_gcmaes_ctx {
|
||||
u8 hash_subkey[16] AESNI_ALIGN_ATTR;
|
||||
struct crypto_aes_ctx aes_key_expanded AESNI_ALIGN_ATTR;
|
||||
};
|
||||
|
||||
struct aesni_xts_ctx {
|
||||
u8 raw_tweak_ctx[sizeof(struct crypto_aes_ctx)] AESNI_ALIGN_ATTR;
|
||||
u8 raw_crypt_ctx[sizeof(struct crypto_aes_ctx)] AESNI_ALIGN_ATTR;
|
||||
@ -102,13 +107,11 @@ asmlinkage void aesni_xts_crypt8(struct crypto_aes_ctx *ctx, u8 *out,
|
||||
* u8 *out, Ciphertext output. Encrypt in-place is allowed.
|
||||
* const u8 *in, Plaintext input
|
||||
* unsigned long plaintext_len, Length of data in bytes for encryption.
|
||||
* u8 *iv, Pre-counter block j0: 4 byte salt (from Security Association)
|
||||
* concatenated with 8 byte Initialisation Vector (from IPSec ESP
|
||||
* Payload) concatenated with 0x00000001. 16-byte aligned pointer.
|
||||
* u8 *iv, Pre-counter block j0: 12 byte IV concatenated with 0x00000001.
|
||||
* 16-byte aligned pointer.
|
||||
* u8 *hash_subkey, the Hash sub key input. Data starts on a 16-byte boundary.
|
||||
* const u8 *aad, Additional Authentication Data (AAD)
|
||||
* unsigned long aad_len, Length of AAD in bytes. With RFC4106 this
|
||||
* is going to be 8 or 12 bytes
|
||||
* unsigned long aad_len, Length of AAD in bytes.
|
||||
* u8 *auth_tag, Authenticated Tag output.
|
||||
* unsigned long auth_tag_len), Authenticated Tag Length in bytes.
|
||||
* Valid values are 16 (most likely), 12 or 8.
|
||||
@ -123,9 +126,8 @@ asmlinkage void aesni_gcm_enc(void *ctx, u8 *out,
|
||||
* u8 *out, Plaintext output. Decrypt in-place is allowed.
|
||||
* const u8 *in, Ciphertext input
|
||||
* unsigned long ciphertext_len, Length of data in bytes for decryption.
|
||||
* u8 *iv, Pre-counter block j0: 4 byte salt (from Security Association)
|
||||
* concatenated with 8 byte Initialisation Vector (from IPSec ESP
|
||||
* Payload) concatenated with 0x00000001. 16-byte aligned pointer.
|
||||
* u8 *iv, Pre-counter block j0: 12 byte IV concatenated with 0x00000001.
|
||||
* 16-byte aligned pointer.
|
||||
* u8 *hash_subkey, the Hash sub key input. Data starts on a 16-byte boundary.
|
||||
* const u8 *aad, Additional Authentication Data (AAD)
|
||||
* unsigned long aad_len, Length of AAD in bytes. With RFC4106 this is going
|
||||
@ -275,6 +277,16 @@ aesni_rfc4106_gcm_ctx *aesni_rfc4106_gcm_ctx_get(struct crypto_aead *tfm)
|
||||
align = 1;
|
||||
return PTR_ALIGN(crypto_aead_ctx(tfm), align);
|
||||
}
|
||||
|
||||
static inline struct
|
||||
generic_gcmaes_ctx *generic_gcmaes_ctx_get(struct crypto_aead *tfm)
|
||||
{
|
||||
unsigned long align = AESNI_ALIGN;
|
||||
|
||||
if (align <= crypto_tfm_ctx_alignment())
|
||||
align = 1;
|
||||
return PTR_ALIGN(crypto_aead_ctx(tfm), align);
|
||||
}
|
||||
#endif
|
||||
|
||||
static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
|
||||
@ -712,32 +724,34 @@ static int rfc4106_set_authsize(struct crypto_aead *parent,
|
||||
return crypto_aead_setauthsize(&cryptd_tfm->base, authsize);
|
||||
}
|
||||
|
||||
static int helper_rfc4106_encrypt(struct aead_request *req)
|
||||
static int generic_gcmaes_set_authsize(struct crypto_aead *tfm,
|
||||
unsigned int authsize)
|
||||
{
|
||||
switch (authsize) {
|
||||
case 4:
|
||||
case 8:
|
||||
case 12:
|
||||
case 13:
|
||||
case 14:
|
||||
case 15:
|
||||
case 16:
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int gcmaes_encrypt(struct aead_request *req, unsigned int assoclen,
|
||||
u8 *hash_subkey, u8 *iv, void *aes_ctx)
|
||||
{
|
||||
u8 one_entry_in_sg = 0;
|
||||
u8 *src, *dst, *assoc;
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
unsigned long auth_tag_len = crypto_aead_authsize(tfm);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
struct scatter_walk src_sg_walk;
|
||||
struct scatter_walk dst_sg_walk = {};
|
||||
unsigned int i;
|
||||
|
||||
/* Assuming we are supporting rfc4106 64-bit extended */
|
||||
/* sequence numbers We need to have the AAD length equal */
|
||||
/* to 16 or 20 bytes */
|
||||
if (unlikely(req->assoclen != 16 && req->assoclen != 20))
|
||||
return -EINVAL;
|
||||
|
||||
/* IV below built */
|
||||
for (i = 0; i < 4; i++)
|
||||
*(iv+i) = ctx->nonce[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
*(iv+4+i) = req->iv[i];
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
if (sg_is_last(req->src) &&
|
||||
(!PageHighMem(sg_page(req->src)) ||
|
||||
@ -768,7 +782,7 @@ static int helper_rfc4106_encrypt(struct aead_request *req)
|
||||
|
||||
kernel_fpu_begin();
|
||||
aesni_gcm_enc_tfm(aes_ctx, dst, src, req->cryptlen, iv,
|
||||
ctx->hash_subkey, assoc, req->assoclen - 8,
|
||||
hash_subkey, assoc, assoclen,
|
||||
dst + req->cryptlen, auth_tag_len);
|
||||
kernel_fpu_end();
|
||||
|
||||
@ -791,37 +805,20 @@ static int helper_rfc4106_encrypt(struct aead_request *req)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int helper_rfc4106_decrypt(struct aead_request *req)
|
||||
static int gcmaes_decrypt(struct aead_request *req, unsigned int assoclen,
|
||||
u8 *hash_subkey, u8 *iv, void *aes_ctx)
|
||||
{
|
||||
u8 one_entry_in_sg = 0;
|
||||
u8 *src, *dst, *assoc;
|
||||
unsigned long tempCipherLen = 0;
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
int retval = 0;
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
unsigned long auth_tag_len = crypto_aead_authsize(tfm);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
u8 authTag[16];
|
||||
struct scatter_walk src_sg_walk;
|
||||
struct scatter_walk dst_sg_walk = {};
|
||||
unsigned int i;
|
||||
|
||||
if (unlikely(req->assoclen != 16 && req->assoclen != 20))
|
||||
return -EINVAL;
|
||||
|
||||
/* Assuming we are supporting rfc4106 64-bit extended */
|
||||
/* sequence numbers We need to have the AAD length */
|
||||
/* equal to 16 or 20 bytes */
|
||||
int retval = 0;
|
||||
|
||||
tempCipherLen = (unsigned long)(req->cryptlen - auth_tag_len);
|
||||
/* IV below built */
|
||||
for (i = 0; i < 4; i++)
|
||||
*(iv+i) = ctx->nonce[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
*(iv+4+i) = req->iv[i];
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
if (sg_is_last(req->src) &&
|
||||
(!PageHighMem(sg_page(req->src)) ||
|
||||
@ -838,7 +835,6 @@ static int helper_rfc4106_decrypt(struct aead_request *req)
|
||||
scatterwalk_start(&dst_sg_walk, req->dst);
|
||||
dst = scatterwalk_map(&dst_sg_walk) + req->assoclen;
|
||||
}
|
||||
|
||||
} else {
|
||||
/* Allocate memory for src, dst, assoc */
|
||||
assoc = kmalloc(req->cryptlen + req->assoclen, GFP_ATOMIC);
|
||||
@ -850,9 +846,10 @@ static int helper_rfc4106_decrypt(struct aead_request *req)
|
||||
dst = src;
|
||||
}
|
||||
|
||||
|
||||
kernel_fpu_begin();
|
||||
aesni_gcm_dec_tfm(aes_ctx, dst, src, tempCipherLen, iv,
|
||||
ctx->hash_subkey, assoc, req->assoclen - 8,
|
||||
hash_subkey, assoc, assoclen,
|
||||
authTag, auth_tag_len);
|
||||
kernel_fpu_end();
|
||||
|
||||
@ -875,6 +872,60 @@ static int helper_rfc4106_decrypt(struct aead_request *req)
|
||||
kfree(assoc);
|
||||
}
|
||||
return retval;
|
||||
|
||||
}
|
||||
|
||||
static int helper_rfc4106_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
unsigned int i;
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
|
||||
/* Assuming we are supporting rfc4106 64-bit extended */
|
||||
/* sequence numbers We need to have the AAD length equal */
|
||||
/* to 16 or 20 bytes */
|
||||
if (unlikely(req->assoclen != 16 && req->assoclen != 20))
|
||||
return -EINVAL;
|
||||
|
||||
/* IV below built */
|
||||
for (i = 0; i < 4; i++)
|
||||
*(iv+i) = ctx->nonce[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
*(iv+4+i) = req->iv[i];
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
return gcmaes_encrypt(req, req->assoclen - 8, ctx->hash_subkey, iv,
|
||||
aes_ctx);
|
||||
}
|
||||
|
||||
static int helper_rfc4106_decrypt(struct aead_request *req)
|
||||
{
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
unsigned int i;
|
||||
|
||||
if (unlikely(req->assoclen != 16 && req->assoclen != 20))
|
||||
return -EINVAL;
|
||||
|
||||
/* Assuming we are supporting rfc4106 64-bit extended */
|
||||
/* sequence numbers We need to have the AAD length */
|
||||
/* equal to 16 or 20 bytes */
|
||||
|
||||
/* IV below built */
|
||||
for (i = 0; i < 4; i++)
|
||||
*(iv+i) = ctx->nonce[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
*(iv+4+i) = req->iv[i];
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
return gcmaes_decrypt(req, req->assoclen - 8, ctx->hash_subkey, iv,
|
||||
aes_ctx);
|
||||
}
|
||||
|
||||
static int rfc4106_encrypt(struct aead_request *req)
|
||||
@ -1035,6 +1086,46 @@ struct {
|
||||
};
|
||||
|
||||
#ifdef CONFIG_X86_64
|
||||
static int generic_gcmaes_set_key(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int key_len)
|
||||
{
|
||||
struct generic_gcmaes_ctx *ctx = generic_gcmaes_ctx_get(aead);
|
||||
|
||||
return aes_set_key_common(crypto_aead_tfm(aead),
|
||||
&ctx->aes_key_expanded, key, key_len) ?:
|
||||
rfc4106_set_hash_subkey(ctx->hash_subkey, key, key_len);
|
||||
}
|
||||
|
||||
static int generic_gcmaes_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct generic_gcmaes_ctx *ctx = generic_gcmaes_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
|
||||
memcpy(iv, req->iv, 12);
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
return gcmaes_encrypt(req, req->assoclen, ctx->hash_subkey, iv,
|
||||
aes_ctx);
|
||||
}
|
||||
|
||||
static int generic_gcmaes_decrypt(struct aead_request *req)
|
||||
{
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct aesni_rfc4106_gcm_ctx *ctx = aesni_rfc4106_gcm_ctx_get(tfm);
|
||||
void *aes_ctx = &(ctx->aes_key_expanded);
|
||||
u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN)));
|
||||
|
||||
memcpy(iv, req->iv, 12);
|
||||
*((__be32 *)(iv+12)) = counter;
|
||||
|
||||
return gcmaes_decrypt(req, req->assoclen, ctx->hash_subkey, iv,
|
||||
aes_ctx);
|
||||
}
|
||||
|
||||
static struct aead_alg aesni_aead_algs[] = { {
|
||||
.setkey = common_rfc4106_set_key,
|
||||
.setauthsize = common_rfc4106_set_authsize,
|
||||
@ -1069,6 +1160,23 @@ static struct aead_alg aesni_aead_algs[] = { {
|
||||
.cra_ctxsize = sizeof(struct cryptd_aead *),
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
}, {
|
||||
.setkey = generic_gcmaes_set_key,
|
||||
.setauthsize = generic_gcmaes_set_authsize,
|
||||
.encrypt = generic_gcmaes_encrypt,
|
||||
.decrypt = generic_gcmaes_decrypt,
|
||||
.ivsize = 12,
|
||||
.maxauthsize = 16,
|
||||
.base = {
|
||||
.cra_name = "gcm(aes)",
|
||||
.cra_driver_name = "generic-gcm-aesni",
|
||||
.cra_priority = 400,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct generic_gcmaes_ctx),
|
||||
.cra_alignmask = AESNI_ALIGN - 1,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
} };
|
||||
#else
|
||||
static struct aead_alg aesni_aead_algs[0];
|
||||
|
@ -176,9 +176,6 @@ __glue_cbc_decrypt_128bit(const struct common_glue_ctx *gctx,
|
||||
src -= 1;
|
||||
dst -= 1;
|
||||
} while (nbytes >= func_bytes);
|
||||
|
||||
if (nbytes < bsize)
|
||||
goto done;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -269,19 +269,19 @@ static struct sha512_hash_ctx
|
||||
* LAST
|
||||
*/
|
||||
ctx->error = HASH_CTX_ERROR_INVALID_FLAGS;
|
||||
return ctx;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
if (ctx->status & HASH_CTX_STS_PROCESSING) {
|
||||
/* Cannot submit to a currently processing job. */
|
||||
ctx->error = HASH_CTX_ERROR_ALREADY_PROCESSING;
|
||||
return ctx;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
if ((ctx->status & HASH_CTX_STS_COMPLETE) && !(flags & HASH_FIRST)) {
|
||||
/* Cannot update a finished job. */
|
||||
ctx->error = HASH_CTX_ERROR_ALREADY_COMPLETED;
|
||||
return ctx;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
|
||||
@ -363,6 +363,7 @@ static struct sha512_hash_ctx
|
||||
}
|
||||
|
||||
ctx = sha512_ctx_mgr_resubmit(mgr, ctx);
|
||||
unlock:
|
||||
spin_unlock_irqrestore(&cstate->work_lock, irqflags);
|
||||
return ctx;
|
||||
}
|
||||
|
@ -130,6 +130,7 @@ config CRYPTO_DH
|
||||
config CRYPTO_ECDH
|
||||
tristate "ECDH algorithm"
|
||||
select CRYTPO_KPP
|
||||
select CRYPTO_RNG_DEFAULT
|
||||
help
|
||||
Generic implementation of the ECDH algorithm
|
||||
|
||||
|
@ -33,10 +33,6 @@ obj-$(CONFIG_CRYPTO_KPP2) += kpp.o
|
||||
dh_generic-y := dh.o
|
||||
dh_generic-y += dh_helper.o
|
||||
obj-$(CONFIG_CRYPTO_DH) += dh_generic.o
|
||||
ecdh_generic-y := ecc.o
|
||||
ecdh_generic-y += ecdh.o
|
||||
ecdh_generic-y += ecdh_helper.o
|
||||
obj-$(CONFIG_CRYPTO_ECDH) += ecdh_generic.o
|
||||
|
||||
$(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
|
||||
$(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
|
||||
@ -138,6 +134,11 @@ obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o
|
||||
obj-$(CONFIG_CRYPTO_USER_API_RNG) += algif_rng.o
|
||||
obj-$(CONFIG_CRYPTO_USER_API_AEAD) += algif_aead.o
|
||||
|
||||
ecdh_generic-y := ecc.o
|
||||
ecdh_generic-y += ecdh.o
|
||||
ecdh_generic-y += ecdh_helper.o
|
||||
obj-$(CONFIG_CRYPTO_ECDH) += ecdh_generic.o
|
||||
|
||||
#
|
||||
# generic algorithms and the async_tx api
|
||||
#
|
||||
|
@ -114,7 +114,7 @@ static u32 mix_columns(u32 x)
|
||||
* | 0x2 0x3 0x1 0x1 | | x[0] |
|
||||
* | 0x1 0x2 0x3 0x1 | | x[1] |
|
||||
* | 0x1 0x1 0x2 0x3 | x | x[2] |
|
||||
* | 0x3 0x1 0x1 0x3 | | x[3] |
|
||||
* | 0x3 0x1 0x1 0x2 | | x[3] |
|
||||
*/
|
||||
u32 y = mul_by_x(x) ^ ror32(x, 16);
|
||||
|
||||
|
@ -260,7 +260,7 @@ void crypto_alg_tested(const char *name, int err)
|
||||
goto found;
|
||||
}
|
||||
|
||||
printk(KERN_ERR "alg: Unexpected test result for %s: %d\n", name, err);
|
||||
pr_err("alg: Unexpected test result for %s: %d\n", name, err);
|
||||
goto unlock;
|
||||
|
||||
found:
|
||||
|
@ -70,7 +70,7 @@ static void crypto_pump_requests(struct crypto_engine *engine,
|
||||
|
||||
if (engine->unprepare_crypt_hardware &&
|
||||
engine->unprepare_crypt_hardware(engine))
|
||||
pr_err("failed to unprepare crypt hardware\n");
|
||||
dev_err(engine->dev, "failed to unprepare crypt hardware\n");
|
||||
|
||||
spin_lock_irqsave(&engine->queue_lock, flags);
|
||||
engine->idling = false;
|
||||
@ -99,7 +99,7 @@ static void crypto_pump_requests(struct crypto_engine *engine,
|
||||
if (!was_busy && engine->prepare_crypt_hardware) {
|
||||
ret = engine->prepare_crypt_hardware(engine);
|
||||
if (ret) {
|
||||
pr_err("failed to prepare crypt hardware\n");
|
||||
dev_err(engine->dev, "failed to prepare crypt hardware\n");
|
||||
goto req_err;
|
||||
}
|
||||
}
|
||||
@ -110,14 +110,15 @@ static void crypto_pump_requests(struct crypto_engine *engine,
|
||||
if (engine->prepare_hash_request) {
|
||||
ret = engine->prepare_hash_request(engine, hreq);
|
||||
if (ret) {
|
||||
pr_err("failed to prepare request: %d\n", ret);
|
||||
dev_err(engine->dev, "failed to prepare request: %d\n",
|
||||
ret);
|
||||
goto req_err;
|
||||
}
|
||||
engine->cur_req_prepared = true;
|
||||
}
|
||||
ret = engine->hash_one_request(engine, hreq);
|
||||
if (ret) {
|
||||
pr_err("failed to hash one request from queue\n");
|
||||
dev_err(engine->dev, "failed to hash one request from queue\n");
|
||||
goto req_err;
|
||||
}
|
||||
return;
|
||||
@ -126,19 +127,20 @@ static void crypto_pump_requests(struct crypto_engine *engine,
|
||||
if (engine->prepare_cipher_request) {
|
||||
ret = engine->prepare_cipher_request(engine, breq);
|
||||
if (ret) {
|
||||
pr_err("failed to prepare request: %d\n", ret);
|
||||
dev_err(engine->dev, "failed to prepare request: %d\n",
|
||||
ret);
|
||||
goto req_err;
|
||||
}
|
||||
engine->cur_req_prepared = true;
|
||||
}
|
||||
ret = engine->cipher_one_request(engine, breq);
|
||||
if (ret) {
|
||||
pr_err("failed to cipher one request from queue\n");
|
||||
dev_err(engine->dev, "failed to cipher one request from queue\n");
|
||||
goto req_err;
|
||||
}
|
||||
return;
|
||||
default:
|
||||
pr_err("failed to prepare request of unknown type\n");
|
||||
dev_err(engine->dev, "failed to prepare request of unknown type\n");
|
||||
return;
|
||||
}
|
||||
|
||||
@ -275,7 +277,7 @@ void crypto_finalize_cipher_request(struct crypto_engine *engine,
|
||||
engine->unprepare_cipher_request) {
|
||||
ret = engine->unprepare_cipher_request(engine, req);
|
||||
if (ret)
|
||||
pr_err("failed to unprepare request\n");
|
||||
dev_err(engine->dev, "failed to unprepare request\n");
|
||||
}
|
||||
spin_lock_irqsave(&engine->queue_lock, flags);
|
||||
engine->cur_req = NULL;
|
||||
@ -312,7 +314,7 @@ void crypto_finalize_hash_request(struct crypto_engine *engine,
|
||||
engine->unprepare_hash_request) {
|
||||
ret = engine->unprepare_hash_request(engine, req);
|
||||
if (ret)
|
||||
pr_err("failed to unprepare request\n");
|
||||
dev_err(engine->dev, "failed to unprepare request\n");
|
||||
}
|
||||
spin_lock_irqsave(&engine->queue_lock, flags);
|
||||
engine->cur_req = NULL;
|
||||
@ -384,7 +386,7 @@ int crypto_engine_stop(struct crypto_engine *engine)
|
||||
spin_unlock_irqrestore(&engine->queue_lock, flags);
|
||||
|
||||
if (ret)
|
||||
pr_warn("could not stop engine\n");
|
||||
dev_warn(engine->dev, "could not stop engine\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -411,6 +413,7 @@ struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
|
||||
if (!engine)
|
||||
return NULL;
|
||||
|
||||
engine->dev = dev;
|
||||
engine->rt = rt;
|
||||
engine->running = false;
|
||||
engine->busy = false;
|
||||
|
@ -4,9 +4,9 @@
|
||||
* Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public Licence
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the Licence, or (at your option) any later version.
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
@ -85,6 +85,9 @@ static int dh_set_secret(struct crypto_kpp *tfm, const void *buf,
|
||||
struct dh_ctx *ctx = dh_get_ctx(tfm);
|
||||
struct dh params;
|
||||
|
||||
/* Free the old MPI key if any */
|
||||
dh_free_ctx(ctx);
|
||||
|
||||
if (crypto_dh_decode_key(buf, len, ¶ms) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
@ -144,7 +147,7 @@ err_free_val:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int dh_max_size(struct crypto_kpp *tfm)
|
||||
static unsigned int dh_max_size(struct crypto_kpp *tfm)
|
||||
{
|
||||
struct dh_ctx *ctx = dh_get_ctx(tfm);
|
||||
|
||||
|
@ -3,9 +3,9 @@
|
||||
* Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public Licence
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the Licence, or (at your option) any later version.
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*/
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/export.h>
|
||||
|
@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
|
||||
return PTR_ERR(sk_tfm);
|
||||
}
|
||||
drbg->ctr_handle = sk_tfm;
|
||||
init_completion(&drbg->ctr_completion);
|
||||
|
||||
req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
|
||||
if (!req) {
|
||||
|
88
crypto/ecc.c
88
crypto/ecc.c
@ -29,6 +29,7 @@
|
||||
#include <linux/swab.h>
|
||||
#include <linux/fips.h>
|
||||
#include <crypto/ecdh.h>
|
||||
#include <crypto/rng.h>
|
||||
|
||||
#include "ecc.h"
|
||||
#include "ecc_curve_defs.h"
|
||||
@ -904,7 +905,7 @@ static inline void ecc_swap_digits(const u64 *in, u64 *out,
|
||||
}
|
||||
|
||||
int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len)
|
||||
const u64 *private_key, unsigned int private_key_len)
|
||||
{
|
||||
int nbytes;
|
||||
const struct ecc_curve *curve = ecc_get_curve(curve_id);
|
||||
@ -917,24 +918,77 @@ int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits,
|
||||
if (private_key_len != nbytes)
|
||||
return -EINVAL;
|
||||
|
||||
if (vli_is_zero((const u64 *)&private_key[0], ndigits))
|
||||
if (vli_is_zero(private_key, ndigits))
|
||||
return -EINVAL;
|
||||
|
||||
/* Make sure the private key is in the range [1, n-1]. */
|
||||
if (vli_cmp(curve->n, (const u64 *)&private_key[0], ndigits) != 1)
|
||||
if (vli_cmp(curve->n, private_key, ndigits) != 1)
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ecdh_make_pub_key(unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len,
|
||||
u8 *public_key, unsigned int public_key_len)
|
||||
/*
|
||||
* ECC private keys are generated using the method of extra random bits,
|
||||
* equivalent to that described in FIPS 186-4, Appendix B.4.1.
|
||||
*
|
||||
* d = (c mod(n–1)) + 1 where c is a string of random bits, 64 bits longer
|
||||
* than requested
|
||||
* 0 <= c mod(n-1) <= n-2 and implies that
|
||||
* 1 <= d <= n-1
|
||||
*
|
||||
* This method generates a private key uniformly distributed in the range
|
||||
* [1, n-1].
|
||||
*/
|
||||
int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey)
|
||||
{
|
||||
const struct ecc_curve *curve = ecc_get_curve(curve_id);
|
||||
u64 priv[ndigits];
|
||||
unsigned int nbytes = ndigits << ECC_DIGITS_TO_BYTES_SHIFT;
|
||||
unsigned int nbits = vli_num_bits(curve->n, ndigits);
|
||||
int err;
|
||||
|
||||
/* Check that N is included in Table 1 of FIPS 186-4, section 6.1.1 */
|
||||
if (nbits < 160)
|
||||
return -EINVAL;
|
||||
|
||||
/*
|
||||
* FIPS 186-4 recommends that the private key should be obtained from a
|
||||
* RBG with a security strength equal to or greater than the security
|
||||
* strength associated with N.
|
||||
*
|
||||
* The maximum security strength identified by NIST SP800-57pt1r4 for
|
||||
* ECC is 256 (N >= 512).
|
||||
*
|
||||
* This condition is met by the default RNG because it selects a favored
|
||||
* DRBG with a security strength of 256.
|
||||
*/
|
||||
if (crypto_get_default_rng())
|
||||
err = -EFAULT;
|
||||
|
||||
err = crypto_rng_get_bytes(crypto_default_rng, (u8 *)priv, nbytes);
|
||||
crypto_put_default_rng();
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (vli_is_zero(priv, ndigits))
|
||||
return -EINVAL;
|
||||
|
||||
/* Make sure the private key is in the range [1, n-1]. */
|
||||
if (vli_cmp(curve->n, priv, ndigits) != 1)
|
||||
return -EINVAL;
|
||||
|
||||
ecc_swap_digits(priv, privkey, ndigits);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ecc_make_pub_key(unsigned int curve_id, unsigned int ndigits,
|
||||
const u64 *private_key, u64 *public_key)
|
||||
{
|
||||
int ret = 0;
|
||||
struct ecc_point *pk;
|
||||
u64 priv[ndigits];
|
||||
unsigned int nbytes;
|
||||
const struct ecc_curve *curve = ecc_get_curve(curve_id);
|
||||
|
||||
if (!private_key || !curve) {
|
||||
@ -942,7 +996,7 @@ int ecdh_make_pub_key(unsigned int curve_id, unsigned int ndigits,
|
||||
goto out;
|
||||
}
|
||||
|
||||
ecc_swap_digits((const u64 *)private_key, priv, ndigits);
|
||||
ecc_swap_digits(private_key, priv, ndigits);
|
||||
|
||||
pk = ecc_alloc_point(ndigits);
|
||||
if (!pk) {
|
||||
@ -956,9 +1010,8 @@ int ecdh_make_pub_key(unsigned int curve_id, unsigned int ndigits,
|
||||
goto err_free_point;
|
||||
}
|
||||
|
||||
nbytes = ndigits << ECC_DIGITS_TO_BYTES_SHIFT;
|
||||
ecc_swap_digits(pk->x, (u64 *)public_key, ndigits);
|
||||
ecc_swap_digits(pk->y, (u64 *)&public_key[nbytes], ndigits);
|
||||
ecc_swap_digits(pk->x, public_key, ndigits);
|
||||
ecc_swap_digits(pk->y, &public_key[ndigits], ndigits);
|
||||
|
||||
err_free_point:
|
||||
ecc_free_point(pk);
|
||||
@ -967,9 +1020,8 @@ out:
|
||||
}
|
||||
|
||||
int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len,
|
||||
const u8 *public_key, unsigned int public_key_len,
|
||||
u8 *secret, unsigned int secret_len)
|
||||
const u64 *private_key, const u64 *public_key,
|
||||
u64 *secret)
|
||||
{
|
||||
int ret = 0;
|
||||
struct ecc_point *product, *pk;
|
||||
@ -999,13 +1051,13 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
|
||||
goto err_alloc_product;
|
||||
}
|
||||
|
||||
ecc_swap_digits((const u64 *)public_key, pk->x, ndigits);
|
||||
ecc_swap_digits((const u64 *)&public_key[nbytes], pk->y, ndigits);
|
||||
ecc_swap_digits((const u64 *)private_key, priv, ndigits);
|
||||
ecc_swap_digits(public_key, pk->x, ndigits);
|
||||
ecc_swap_digits(&public_key[ndigits], pk->y, ndigits);
|
||||
ecc_swap_digits(private_key, priv, ndigits);
|
||||
|
||||
ecc_point_mult(product, pk, priv, rand_z, curve->p, ndigits);
|
||||
|
||||
ecc_swap_digits(product->x, (u64 *)secret, ndigits);
|
||||
ecc_swap_digits(product->x, secret, ndigits);
|
||||
|
||||
if (ecc_point_is_zero(product))
|
||||
ret = -EFAULT;
|
||||
|
41
crypto/ecc.h
41
crypto/ecc.h
@ -34,41 +34,51 @@
|
||||
* ecc_is_key_valid() - Validate a given ECDH private key
|
||||
*
|
||||
* @curve_id: id representing the curve to use
|
||||
* @ndigits: curve number of digits
|
||||
* @ndigits: curve's number of digits
|
||||
* @private_key: private key to be used for the given curve
|
||||
* @private_key_len: private key len
|
||||
* @private_key_len: private key length
|
||||
*
|
||||
* Returns 0 if the key is acceptable, a negative value otherwise
|
||||
*/
|
||||
int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len);
|
||||
const u64 *private_key, unsigned int private_key_len);
|
||||
|
||||
/**
|
||||
* ecdh_make_pub_key() - Compute an ECC public key
|
||||
* ecc_gen_privkey() - Generates an ECC private key.
|
||||
* The private key is a random integer in the range 0 < random < n, where n is a
|
||||
* prime that is the order of the cyclic subgroup generated by the distinguished
|
||||
* point G.
|
||||
* @curve_id: id representing the curve to use
|
||||
* @ndigits: curve number of digits
|
||||
* @private_key: buffer for storing the generated private key
|
||||
*
|
||||
* Returns 0 if the private key was generated successfully, a negative value
|
||||
* if an error occurred.
|
||||
*/
|
||||
int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey);
|
||||
|
||||
/**
|
||||
* ecc_make_pub_key() - Compute an ECC public key
|
||||
*
|
||||
* @curve_id: id representing the curve to use
|
||||
* @ndigits: curve's number of digits
|
||||
* @private_key: pregenerated private key for the given curve
|
||||
* @private_key_len: length of private_key
|
||||
* @public_key: buffer for storing the public key generated
|
||||
* @public_key_len: length of the public_key buffer
|
||||
* @public_key: buffer for storing the generated public key
|
||||
*
|
||||
* Returns 0 if the public key was generated successfully, a negative value
|
||||
* if an error occurred.
|
||||
*/
|
||||
int ecdh_make_pub_key(const unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len,
|
||||
u8 *public_key, unsigned int public_key_len);
|
||||
int ecc_make_pub_key(const unsigned int curve_id, unsigned int ndigits,
|
||||
const u64 *private_key, u64 *public_key);
|
||||
|
||||
/**
|
||||
* crypto_ecdh_shared_secret() - Compute a shared secret
|
||||
*
|
||||
* @curve_id: id representing the curve to use
|
||||
* @ndigits: curve's number of digits
|
||||
* @private_key: private key of part A
|
||||
* @private_key_len: length of private_key
|
||||
* @public_key: public key of counterpart B
|
||||
* @public_key_len: length of public_key
|
||||
* @secret: buffer for storing the calculated shared secret
|
||||
* @secret_len: length of the secret buffer
|
||||
*
|
||||
* Note: It is recommended that you hash the result of crypto_ecdh_shared_secret
|
||||
* before using it for symmetric encryption or HMAC.
|
||||
@ -77,7 +87,6 @@ int ecdh_make_pub_key(const unsigned int curve_id, unsigned int ndigits,
|
||||
* if an error occurred.
|
||||
*/
|
||||
int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
|
||||
const u8 *private_key, unsigned int private_key_len,
|
||||
const u8 *public_key, unsigned int public_key_len,
|
||||
u8 *secret, unsigned int secret_len);
|
||||
const u64 *private_key, const u64 *public_key,
|
||||
u64 *secret);
|
||||
#endif
|
||||
|
@ -4,9 +4,9 @@
|
||||
* Authors: Salvator Benedetto <salvatore.benedetto@intel.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public Licence
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the Licence, or (at your option) any later version.
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
@ -55,8 +55,12 @@ static int ecdh_set_secret(struct crypto_kpp *tfm, const void *buf,
|
||||
ctx->curve_id = params.curve_id;
|
||||
ctx->ndigits = ndigits;
|
||||
|
||||
if (!params.key || !params.key_size)
|
||||
return ecc_gen_privkey(ctx->curve_id, ctx->ndigits,
|
||||
ctx->private_key);
|
||||
|
||||
if (ecc_is_key_valid(ctx->curve_id, ctx->ndigits,
|
||||
(const u8 *)params.key, params.key_size) < 0)
|
||||
(const u64 *)params.key, params.key_size) < 0)
|
||||
return -EINVAL;
|
||||
|
||||
memcpy(ctx->private_key, params.key, params.key_size);
|
||||
@ -81,16 +85,14 @@ static int ecdh_compute_value(struct kpp_request *req)
|
||||
return -EINVAL;
|
||||
|
||||
ret = crypto_ecdh_shared_secret(ctx->curve_id, ctx->ndigits,
|
||||
(const u8 *)ctx->private_key, nbytes,
|
||||
(const u8 *)ctx->public_key, 2 * nbytes,
|
||||
(u8 *)ctx->shared_secret, nbytes);
|
||||
ctx->private_key,
|
||||
ctx->public_key,
|
||||
ctx->shared_secret);
|
||||
|
||||
buf = ctx->shared_secret;
|
||||
} else {
|
||||
ret = ecdh_make_pub_key(ctx->curve_id, ctx->ndigits,
|
||||
(const u8 *)ctx->private_key, nbytes,
|
||||
(u8 *)ctx->public_key,
|
||||
sizeof(ctx->public_key));
|
||||
ret = ecc_make_pub_key(ctx->curve_id, ctx->ndigits,
|
||||
ctx->private_key, ctx->public_key);
|
||||
buf = ctx->public_key;
|
||||
/* Public part is a point thus it has both coordinates */
|
||||
nbytes *= 2;
|
||||
@ -106,13 +108,12 @@ static int ecdh_compute_value(struct kpp_request *req)
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ecdh_max_size(struct crypto_kpp *tfm)
|
||||
static unsigned int ecdh_max_size(struct crypto_kpp *tfm)
|
||||
{
|
||||
struct ecdh_ctx *ctx = ecdh_get_ctx(tfm);
|
||||
int nbytes = ctx->ndigits << ECC_DIGITS_TO_BYTES_SHIFT;
|
||||
|
||||
/* Public key is made of two coordinates */
|
||||
return 2 * nbytes;
|
||||
/* Public key is made of two coordinates, add one to the left shift */
|
||||
return ctx->ndigits << (ECC_DIGITS_TO_BYTES_SHIFT + 1);
|
||||
}
|
||||
|
||||
static void no_exit_tfm(struct crypto_kpp *tfm)
|
||||
|
@ -3,9 +3,9 @@
|
||||
* Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public Licence
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the Licence, or (at your option) any later version.
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*/
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/export.h>
|
||||
|
@ -16,6 +16,7 @@
|
||||
*
|
||||
*/
|
||||
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/scatterwalk.h>
|
||||
#include <linux/err.h>
|
||||
@ -74,8 +75,8 @@ static int hmac_setkey(struct crypto_shash *parent,
|
||||
memcpy(opad, ipad, bs);
|
||||
|
||||
for (i = 0; i < bs; i++) {
|
||||
ipad[i] ^= 0x36;
|
||||
opad[i] ^= 0x5c;
|
||||
ipad[i] ^= HMAC_IPAD_VALUE;
|
||||
opad[i] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
return crypto_shash_init(shash) ?:
|
||||
|
@ -33,11 +33,6 @@ struct crypto_rng *crypto_default_rng;
|
||||
EXPORT_SYMBOL_GPL(crypto_default_rng);
|
||||
static int crypto_default_rng_refcnt;
|
||||
|
||||
static inline struct crypto_rng *__crypto_rng_cast(struct crypto_tfm *tfm)
|
||||
{
|
||||
return container_of(tfm, struct crypto_rng, base);
|
||||
}
|
||||
|
||||
int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen)
|
||||
{
|
||||
u8 *buf = NULL;
|
||||
|
@ -120,9 +120,6 @@ static int pkcs1pad_set_pub_key(struct crypto_akcipher *tfm, const void *key,
|
||||
|
||||
/* Find out new modulus size from rsa implementation */
|
||||
err = crypto_akcipher_maxsize(ctx->child);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
if (err > PAGE_SIZE)
|
||||
return -ENOTSUPP;
|
||||
|
||||
@ -144,9 +141,6 @@ static int pkcs1pad_set_priv_key(struct crypto_akcipher *tfm, const void *key,
|
||||
|
||||
/* Find out new modulus size from rsa implementation */
|
||||
err = crypto_akcipher_maxsize(ctx->child);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
if (err > PAGE_SIZE)
|
||||
return -ENOTSUPP;
|
||||
|
||||
@ -154,7 +148,7 @@ static int pkcs1pad_set_priv_key(struct crypto_akcipher *tfm, const void *key,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pkcs1pad_get_max_size(struct crypto_akcipher *tfm)
|
||||
static unsigned int pkcs1pad_get_max_size(struct crypto_akcipher *tfm)
|
||||
{
|
||||
struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
|
||||
@ -164,7 +158,7 @@ static int pkcs1pad_get_max_size(struct crypto_akcipher *tfm)
|
||||
* decrypt/verify.
|
||||
*/
|
||||
|
||||
return ctx->key_size ?: -EINVAL;
|
||||
return ctx->key_size;
|
||||
}
|
||||
|
||||
static void pkcs1pad_sg_set_buf(struct scatterlist *sg, void *buf, size_t len,
|
||||
@ -496,7 +490,7 @@ static int pkcs1pad_verify_complete(struct akcipher_request *req, int err)
|
||||
goto done;
|
||||
pos++;
|
||||
|
||||
if (memcmp(out_buf + pos, digest_info->data, digest_info->size))
|
||||
if (crypto_memneq(out_buf + pos, digest_info->data, digest_info->size))
|
||||
goto done;
|
||||
|
||||
pos += digest_info->size;
|
||||
|
@ -337,11 +337,11 @@ err:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static int rsa_max_size(struct crypto_akcipher *tfm)
|
||||
static unsigned int rsa_max_size(struct crypto_akcipher *tfm)
|
||||
{
|
||||
struct rsa_mpi_key *pkey = akcipher_tfm_ctx(tfm);
|
||||
|
||||
return pkey->n ? mpi_get_size(pkey->n) : -EINVAL;
|
||||
return mpi_get_size(pkey->n);
|
||||
}
|
||||
|
||||
static void rsa_exit_tfm(struct crypto_akcipher *tfm)
|
||||
|
@ -138,8 +138,6 @@ static int test_aead_cycles(struct aead_request *req, int enc, int blen)
|
||||
int ret = 0;
|
||||
int i;
|
||||
|
||||
local_irq_disable();
|
||||
|
||||
/* Warm-up run. */
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (enc)
|
||||
@ -169,8 +167,6 @@ static int test_aead_cycles(struct aead_request *req, int enc, int blen)
|
||||
}
|
||||
|
||||
out:
|
||||
local_irq_enable();
|
||||
|
||||
if (ret == 0)
|
||||
printk("1 operation in %lu cycles (%d bytes)\n",
|
||||
(cycles + 4) / 8, blen);
|
||||
|
128
crypto/testmgr.c
128
crypto/testmgr.c
@ -218,14 +218,14 @@ static int ahash_partial_update(struct ahash_request **preq,
|
||||
crypto_ahash_reqtfm(req));
|
||||
state = kmalloc(statesize + sizeof(guard), GFP_KERNEL);
|
||||
if (!state) {
|
||||
pr_err("alt: hash: Failed to alloc state for %s\n", algo);
|
||||
pr_err("alg: hash: Failed to alloc state for %s\n", algo);
|
||||
goto out_nostate;
|
||||
}
|
||||
memcpy(state + statesize, guard, sizeof(guard));
|
||||
ret = crypto_ahash_export(req, state);
|
||||
WARN_ON(memcmp(state + statesize, guard, sizeof(guard)));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: Failed to export() for %s\n", algo);
|
||||
pr_err("alg: hash: Failed to export() for %s\n", algo);
|
||||
goto out;
|
||||
}
|
||||
ahash_request_free(req);
|
||||
@ -344,19 +344,19 @@ static int __test_hash(struct crypto_ahash *tfm,
|
||||
} else {
|
||||
ret = wait_async_op(&tresult, crypto_ahash_init(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: init failed on test %d "
|
||||
pr_err("alg: hash: init failed on test %d "
|
||||
"for %s: ret=%d\n", j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
ret = wait_async_op(&tresult, crypto_ahash_update(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: update failed on test %d "
|
||||
pr_err("alg: hash: update failed on test %d "
|
||||
"for %s: ret=%d\n", j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
ret = wait_async_op(&tresult, crypto_ahash_final(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: final failed on test %d "
|
||||
pr_err("alg: hash: final failed on test %d "
|
||||
"for %s: ret=%d\n", j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
@ -488,13 +488,13 @@ static int __test_hash(struct crypto_ahash *tfm,
|
||||
ahash_request_set_crypt(req, sg, result, template[i].tap[0]);
|
||||
ret = wait_async_op(&tresult, crypto_ahash_init(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: init failed on test %d for %s: ret=%d\n",
|
||||
pr_err("alg: hash: init failed on test %d for %s: ret=%d\n",
|
||||
j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
ret = wait_async_op(&tresult, crypto_ahash_update(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: update failed on test %d for %s: ret=%d\n",
|
||||
pr_err("alg: hash: update failed on test %d for %s: ret=%d\n",
|
||||
j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
@ -505,7 +505,7 @@ static int __test_hash(struct crypto_ahash *tfm,
|
||||
hash_buff, k, temp, &sg[0], algo, result,
|
||||
&tresult);
|
||||
if (ret) {
|
||||
pr_err("hash: partial update failed on test %d for %s: ret=%d\n",
|
||||
pr_err("alg: hash: partial update failed on test %d for %s: ret=%d\n",
|
||||
j, algo, -ret);
|
||||
goto out_noreq;
|
||||
}
|
||||
@ -513,7 +513,7 @@ static int __test_hash(struct crypto_ahash *tfm,
|
||||
}
|
||||
ret = wait_async_op(&tresult, crypto_ahash_final(req));
|
||||
if (ret) {
|
||||
pr_err("alt: hash: final failed on test %d for %s: ret=%d\n",
|
||||
pr_err("alg: hash: final failed on test %d for %s: ret=%d\n",
|
||||
j, algo, -ret);
|
||||
goto out;
|
||||
}
|
||||
@ -1997,6 +1997,9 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
|
||||
struct kpp_request *req;
|
||||
void *input_buf = NULL;
|
||||
void *output_buf = NULL;
|
||||
void *a_public = NULL;
|
||||
void *a_ss = NULL;
|
||||
void *shared_secret = NULL;
|
||||
struct tcrypt_result result;
|
||||
unsigned int out_len_max;
|
||||
int err = -ENOMEM;
|
||||
@ -2026,20 +2029,31 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
|
||||
kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
||||
tcrypt_complete, &result);
|
||||
|
||||
/* Compute public key */
|
||||
/* Compute party A's public key */
|
||||
err = wait_async_op(&result, crypto_kpp_generate_public_key(req));
|
||||
if (err) {
|
||||
pr_err("alg: %s: generate public key test failed. err %d\n",
|
||||
pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
|
||||
alg, err);
|
||||
goto free_output;
|
||||
}
|
||||
/* Verify calculated public key */
|
||||
if (memcmp(vec->expected_a_public, sg_virt(req->dst),
|
||||
vec->expected_a_public_size)) {
|
||||
pr_err("alg: %s: generate public key test failed. Invalid output\n",
|
||||
alg);
|
||||
err = -EINVAL;
|
||||
goto free_output;
|
||||
|
||||
if (vec->genkey) {
|
||||
/* Save party A's public key */
|
||||
a_public = kzalloc(out_len_max, GFP_KERNEL);
|
||||
if (!a_public) {
|
||||
err = -ENOMEM;
|
||||
goto free_output;
|
||||
}
|
||||
memcpy(a_public, sg_virt(req->dst), out_len_max);
|
||||
} else {
|
||||
/* Verify calculated public key */
|
||||
if (memcmp(vec->expected_a_public, sg_virt(req->dst),
|
||||
vec->expected_a_public_size)) {
|
||||
pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
|
||||
alg);
|
||||
err = -EINVAL;
|
||||
goto free_output;
|
||||
}
|
||||
}
|
||||
|
||||
/* Calculate shared secret key by using counter part (b) public key. */
|
||||
@ -2058,15 +2072,53 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
|
||||
tcrypt_complete, &result);
|
||||
err = wait_async_op(&result, crypto_kpp_compute_shared_secret(req));
|
||||
if (err) {
|
||||
pr_err("alg: %s: compute shard secret test failed. err %d\n",
|
||||
pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
|
||||
alg, err);
|
||||
goto free_all;
|
||||
}
|
||||
|
||||
if (vec->genkey) {
|
||||
/* Save the shared secret obtained by party A */
|
||||
a_ss = kzalloc(vec->expected_ss_size, GFP_KERNEL);
|
||||
if (!a_ss) {
|
||||
err = -ENOMEM;
|
||||
goto free_all;
|
||||
}
|
||||
memcpy(a_ss, sg_virt(req->dst), vec->expected_ss_size);
|
||||
|
||||
/*
|
||||
* Calculate party B's shared secret by using party A's
|
||||
* public key.
|
||||
*/
|
||||
err = crypto_kpp_set_secret(tfm, vec->b_secret,
|
||||
vec->b_secret_size);
|
||||
if (err < 0)
|
||||
goto free_all;
|
||||
|
||||
sg_init_one(&src, a_public, vec->expected_a_public_size);
|
||||
sg_init_one(&dst, output_buf, out_len_max);
|
||||
kpp_request_set_input(req, &src, vec->expected_a_public_size);
|
||||
kpp_request_set_output(req, &dst, out_len_max);
|
||||
kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
||||
tcrypt_complete, &result);
|
||||
err = wait_async_op(&result,
|
||||
crypto_kpp_compute_shared_secret(req));
|
||||
if (err) {
|
||||
pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
|
||||
alg, err);
|
||||
goto free_all;
|
||||
}
|
||||
|
||||
shared_secret = a_ss;
|
||||
} else {
|
||||
shared_secret = (void *)vec->expected_ss;
|
||||
}
|
||||
|
||||
/*
|
||||
* verify shared secret from which the user will derive
|
||||
* secret key by executing whatever hash it has chosen
|
||||
*/
|
||||
if (memcmp(vec->expected_ss, sg_virt(req->dst),
|
||||
if (memcmp(shared_secret, sg_virt(req->dst),
|
||||
vec->expected_ss_size)) {
|
||||
pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
|
||||
alg);
|
||||
@ -2074,8 +2126,10 @@ static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
|
||||
}
|
||||
|
||||
free_all:
|
||||
kfree(a_ss);
|
||||
kfree(input_buf);
|
||||
free_output:
|
||||
kfree(a_public);
|
||||
kfree(output_buf);
|
||||
free_req:
|
||||
kpp_request_free(req);
|
||||
@ -2168,8 +2222,11 @@ static int test_akcipher_one(struct crypto_akcipher *tfm,
|
||||
akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
||||
tcrypt_complete, &result);
|
||||
|
||||
/* Run RSA encrypt - c = m^e mod n;*/
|
||||
err = wait_async_op(&result, crypto_akcipher_encrypt(req));
|
||||
err = wait_async_op(&result, vecs->siggen_sigver_test ?
|
||||
/* Run asymmetric signature generation */
|
||||
crypto_akcipher_sign(req) :
|
||||
/* Run asymmetric encrypt */
|
||||
crypto_akcipher_encrypt(req));
|
||||
if (err) {
|
||||
pr_err("alg: akcipher: encrypt test failed. err %d\n", err);
|
||||
goto free_all;
|
||||
@ -2207,8 +2264,11 @@ static int test_akcipher_one(struct crypto_akcipher *tfm,
|
||||
init_completion(&result.completion);
|
||||
akcipher_request_set_crypt(req, &src, &dst, vecs->c_size, out_len_max);
|
||||
|
||||
/* Run RSA decrypt - m = c^d mod n;*/
|
||||
err = wait_async_op(&result, crypto_akcipher_decrypt(req));
|
||||
err = wait_async_op(&result, vecs->siggen_sigver_test ?
|
||||
/* Run asymmetric signature verification */
|
||||
crypto_akcipher_verify(req) :
|
||||
/* Run asymmetric decrypt */
|
||||
crypto_akcipher_decrypt(req));
|
||||
if (err) {
|
||||
pr_err("alg: akcipher: decrypt test failed. err %d\n", err);
|
||||
goto free_all;
|
||||
@ -2306,6 +2366,7 @@ static const struct alg_test_desc alg_test_descs[] = {
|
||||
}, {
|
||||
.alg = "authenc(hmac(sha1),cbc(aes))",
|
||||
.test = alg_test_aead,
|
||||
.fips_allowed = 1,
|
||||
.suite = {
|
||||
.aead = {
|
||||
.enc = __VECS(hmac_sha1_aes_cbc_enc_tv_temp)
|
||||
@ -3254,6 +3315,25 @@ static const struct alg_test_desc alg_test_descs[] = {
|
||||
.dec = __VECS(fcrypt_pcbc_dec_tv_template)
|
||||
}
|
||||
}
|
||||
}, {
|
||||
.alg = "pkcs1pad(rsa,sha224)",
|
||||
.test = alg_test_null,
|
||||
.fips_allowed = 1,
|
||||
}, {
|
||||
.alg = "pkcs1pad(rsa,sha256)",
|
||||
.test = alg_test_akcipher,
|
||||
.fips_allowed = 1,
|
||||
.suite = {
|
||||
.akcipher = __VECS(pkcs1pad_rsa_tv_template)
|
||||
}
|
||||
}, {
|
||||
.alg = "pkcs1pad(rsa,sha384)",
|
||||
.test = alg_test_null,
|
||||
.fips_allowed = 1,
|
||||
}, {
|
||||
.alg = "pkcs1pad(rsa,sha512)",
|
||||
.test = alg_test_null,
|
||||
.fips_allowed = 1,
|
||||
}, {
|
||||
.alg = "poly1305",
|
||||
.test = alg_test_hash,
|
||||
|
143
crypto/testmgr.h
143
crypto/testmgr.h
@ -133,17 +133,21 @@ struct akcipher_testvec {
|
||||
unsigned int m_size;
|
||||
unsigned int c_size;
|
||||
bool public_key_vec;
|
||||
bool siggen_sigver_test;
|
||||
};
|
||||
|
||||
struct kpp_testvec {
|
||||
const unsigned char *secret;
|
||||
const unsigned char *b_secret;
|
||||
const unsigned char *b_public;
|
||||
const unsigned char *expected_a_public;
|
||||
const unsigned char *expected_ss;
|
||||
unsigned short secret_size;
|
||||
unsigned short b_secret_size;
|
||||
unsigned short b_public_size;
|
||||
unsigned short expected_a_public_size;
|
||||
unsigned short expected_ss_size;
|
||||
bool genkey;
|
||||
};
|
||||
|
||||
static const char zeroed_string[48];
|
||||
@ -538,6 +542,101 @@ static const struct akcipher_testvec rsa_tv_template[] = {
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
* PKCS#1 RSA test vectors. Obtained from CAVS testing.
|
||||
*/
|
||||
static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = {
|
||||
{
|
||||
.key =
|
||||
"\x30\x82\x03\x1f\x02\x01\x10\x02\x82\x01\x01\x00\xd7\x1e\x77\x82"
|
||||
"\x8c\x92\x31\xe7\x69\x02\xa2\xd5\x5c\x78\xde\xa2\x0c\x8f\xfe\x28"
|
||||
"\x59\x31\xdf\x40\x9c\x60\x61\x06\xb9\x2f\x62\x40\x80\x76\xcb\x67"
|
||||
"\x4a\xb5\x59\x56\x69\x17\x07\xfa\xf9\x4c\xbd\x6c\x37\x7a\x46\x7d"
|
||||
"\x70\xa7\x67\x22\xb3\x4d\x7a\x94\xc3\xba\x4b\x7c\x4b\xa9\x32\x7c"
|
||||
"\xb7\x38\x95\x45\x64\xa4\x05\xa8\x9f\x12\x7c\x4e\xc6\xc8\x2d\x40"
|
||||
"\x06\x30\xf4\x60\xa6\x91\xbb\x9b\xca\x04\x79\x11\x13\x75\xf0\xae"
|
||||
"\xd3\x51\x89\xc5\x74\xb9\xaa\x3f\xb6\x83\xe4\x78\x6b\xcd\xf9\x5c"
|
||||
"\x4c\x85\xea\x52\x3b\x51\x93\xfc\x14\x6b\x33\x5d\x30\x70\xfa\x50"
|
||||
"\x1b\x1b\x38\x81\x13\x8d\xf7\xa5\x0c\xc0\x8e\xf9\x63\x52\x18\x4e"
|
||||
"\xa9\xf9\xf8\x5c\x5d\xcd\x7a\x0d\xd4\x8e\x7b\xee\x91\x7b\xad\x7d"
|
||||
"\xb4\x92\xd5\xab\x16\x3b\x0a\x8a\xce\x8e\xde\x47\x1a\x17\x01\x86"
|
||||
"\x7b\xab\x99\xf1\x4b\x0c\x3a\x0d\x82\x47\xc1\x91\x8c\xbb\x2e\x22"
|
||||
"\x9e\x49\x63\x6e\x02\xc1\xc9\x3a\x9b\xa5\x22\x1b\x07\x95\xd6\x10"
|
||||
"\x02\x50\xfd\xfd\xd1\x9b\xbe\xab\xc2\xc0\x74\xd7\xec\x00\xfb\x11"
|
||||
"\x71\xcb\x7a\xdc\x81\x79\x9f\x86\x68\x46\x63\x82\x4d\xb7\xf1\xe6"
|
||||
"\x16\x6f\x42\x63\xf4\x94\xa0\xca\x33\xcc\x75\x13\x02\x82\x01\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
||||
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01"
|
||||
"\x02\x82\x01\x00\x62\xb5\x60\x31\x4f\x3f\x66\x16\xc1\x60\xac\x47"
|
||||
"\x2a\xff\x6b\x69\x00\x4a\xb2\x5c\xe1\x50\xb9\x18\x74\xa8\xe4\xdc"
|
||||
"\xa8\xec\xcd\x30\xbb\xc1\xc6\xe3\xc6\xac\x20\x2a\x3e\x5e\x8b\x12"
|
||||
"\xe6\x82\x08\x09\x38\x0b\xab\x7c\xb3\xcc\x9c\xce\x97\x67\xdd\xef"
|
||||
"\x95\x40\x4e\x92\xe2\x44\xe9\x1d\xc1\x14\xfd\xa9\xb1\xdc\x71\x9c"
|
||||
"\x46\x21\xbd\x58\x88\x6e\x22\x15\x56\xc1\xef\xe0\xc9\x8d\xe5\x80"
|
||||
"\x3e\xda\x7e\x93\x0f\x52\xf6\xf5\xc1\x91\x90\x9e\x42\x49\x4f\x8d"
|
||||
"\x9c\xba\x38\x83\xe9\x33\xc2\x50\x4f\xec\xc2\xf0\xa8\xb7\x6e\x28"
|
||||
"\x25\x56\x6b\x62\x67\xfe\x08\xf1\x56\xe5\x6f\x0e\x99\xf1\xe5\x95"
|
||||
"\x7b\xef\xeb\x0a\x2c\x92\x97\x57\x23\x33\x36\x07\xdd\xfb\xae\xf1"
|
||||
"\xb1\xd8\x33\xb7\x96\x71\x42\x36\xc5\xa4\xa9\x19\x4b\x1b\x52\x4c"
|
||||
"\x50\x69\x91\xf0\x0e\xfa\x80\x37\x4b\xb5\xd0\x2f\xb7\x44\x0d\xd4"
|
||||
"\xf8\x39\x8d\xab\x71\x67\x59\x05\x88\x3d\xeb\x48\x48\x33\x88\x4e"
|
||||
"\xfe\xf8\x27\x1b\xd6\x55\x60\x5e\x48\xb7\x6d\x9a\xa8\x37\xf9\x7a"
|
||||
"\xde\x1b\xcd\x5d\x1a\x30\xd4\xe9\x9e\x5b\x3c\x15\xf8\x9c\x1f\xda"
|
||||
"\xd1\x86\x48\x55\xce\x83\xee\x8e\x51\xc7\xde\x32\x12\x47\x7d\x46"
|
||||
"\xb8\x35\xdf\x41\x02\x01\x30\x02\x01\x30\x02\x01\x30\x02\x01\x30"
|
||||
"\x02\x01\x30",
|
||||
.key_len = 804,
|
||||
/*
|
||||
* m is SHA256 hash of following message:
|
||||
* "\x49\x41\xbe\x0a\x0c\xc9\xf6\x35\x51\xe4\x27\x56\x13\x71\x4b\xd0"
|
||||
* "\x36\x92\x84\x89\x1b\xf8\x56\x4a\x72\x61\x14\x69\x4f\x5e\x98\xa5"
|
||||
* "\x80\x5a\x37\x51\x1f\xd8\xf5\xb5\x63\xfc\xf4\xb1\xbb\x4d\x33\xa3"
|
||||
* "\x1e\xb9\x75\x8b\x9c\xda\x7e\x6d\x3a\x77\x85\xf7\xfc\x4e\xe7\x64"
|
||||
* "\x43\x10\x19\xa0\x59\xae\xe0\xad\x4b\xd3\xc4\x45\xf7\xb1\xc2\xc1"
|
||||
* "\x65\x01\x41\x39\x5b\x45\x47\xed\x2b\x51\xed\xe3\xd0\x09\x10\xd2"
|
||||
* "\x39\x6c\x4a\x3f\xe5\xd2\x20\xe6\xb0\x71\x7d\x5b\xed\x26\x60\xf1"
|
||||
* "\xb4\x73\xd1\xdb\x7d\xc4\x19\x91\xee\xf6\x32\x76\xf2\x19\x7d\xb7"
|
||||
*/
|
||||
.m =
|
||||
"\x3e\xc8\xa1\x26\x20\x54\x44\x52\x48\x0d\xe5\x66\xf3\xb3\xf5\x04"
|
||||
"\xbe\x10\xa8\x48\x94\x22\x2d\xdd\xba\x7a\xb4\x76\x8d\x79\x98\x89",
|
||||
.m_size = 32,
|
||||
.c =
|
||||
"\xc7\xa3\x98\xeb\x43\xd1\x08\xc2\x3d\x78\x45\x04\x70\xc9\x01\xee"
|
||||
"\xf8\x85\x37\x7c\x0b\xf9\x19\x70\x5c\x45\x7b\x2f\x3a\x0b\xb7\x8b"
|
||||
"\xc4\x0d\x7b\x3a\x64\x0b\x0f\xdb\x78\xa9\x0b\xfd\x8d\x82\xa4\x86"
|
||||
"\x39\xbf\x21\xb8\x84\xc4\xce\x9f\xc2\xe8\xb6\x61\x46\x17\xb9\x4e"
|
||||
"\x0b\x57\x05\xb4\x4f\xf9\x9c\x93\x2d\x9b\xd5\x48\x1d\x80\x12\xef"
|
||||
"\x3a\x77\x7f\xbc\xb5\x8e\x2b\x6b\x7c\xfc\x9f\x8c\x9d\xa2\xc4\x85"
|
||||
"\xb0\x87\xe9\x17\x9b\xb6\x23\x62\xd2\xa9\x9f\x57\xe8\xf7\x04\x45"
|
||||
"\x24\x3a\x45\xeb\xeb\x6a\x08\x8e\xaf\xc8\xa0\x84\xbc\x5d\x13\x38"
|
||||
"\xf5\x17\x8c\xa3\x96\x9b\xa9\x38\x8d\xf0\x35\xad\x32\x8a\x72\x5b"
|
||||
"\xdf\x21\xab\x4b\x0e\xa8\x29\xbb\x61\x54\xbf\x05\xdb\x84\x84\xde"
|
||||
"\xdd\x16\x36\x31\xda\xf3\x42\x6d\x7a\x90\x22\x9b\x11\x29\xa6\xf8"
|
||||
"\x30\x61\xda\xd3\x8b\x54\x1e\x42\xd1\x47\x1d\x6f\xd1\xcd\x42\x0b"
|
||||
"\xd1\xe4\x15\x85\x7e\x08\xd6\x59\x64\x4c\x01\x34\x91\x92\x26\xe8"
|
||||
"\xb0\x25\x8c\xf8\xf4\xfa\x8b\xc9\x31\x33\x76\x72\xfb\x64\x92\x9f"
|
||||
"\xda\x62\x8d\xe1\x2a\x71\x91\x43\x40\x61\x3c\x5a\xbe\x86\xfc\x5b"
|
||||
"\xe6\xf9\xa9\x16\x31\x1f\xaf\x25\x6d\xc2\x4a\x23\x6e\x63\x02\xa2",
|
||||
.c_size = 256,
|
||||
.siggen_sigver_test = true,
|
||||
}
|
||||
};
|
||||
|
||||
static const struct kpp_testvec dh_tv_template[] = {
|
||||
{
|
||||
.secret =
|
||||
@ -840,6 +939,50 @@ static const struct kpp_testvec ecdh_tv_template[] = {
|
||||
.b_public_size = 64,
|
||||
.expected_a_public_size = 64,
|
||||
.expected_ss_size = 32
|
||||
}, {
|
||||
.secret =
|
||||
#ifdef __LITTLE_ENDIAN
|
||||
"\x02\x00" /* type */
|
||||
"\x08\x00" /* len */
|
||||
"\x02\x00" /* curve_id */
|
||||
"\x00\x00", /* key_size */
|
||||
#else
|
||||
"\x00\x02" /* type */
|
||||
"\x00\x08" /* len */
|
||||
"\x00\x02" /* curve_id */
|
||||
"\x00\x00", /* key_size */
|
||||
#endif
|
||||
.b_secret =
|
||||
#ifdef __LITTLE_ENDIAN
|
||||
"\x02\x00" /* type */
|
||||
"\x28\x00" /* len */
|
||||
"\x02\x00" /* curve_id */
|
||||
"\x20\x00" /* key_size */
|
||||
#else
|
||||
"\x00\x02" /* type */
|
||||
"\x00\x28" /* len */
|
||||
"\x00\x02" /* curve_id */
|
||||
"\x00\x20" /* key_size */
|
||||
#endif
|
||||
"\x24\xd1\x21\xeb\xe5\xcf\x2d\x83"
|
||||
"\xf6\x62\x1b\x6e\x43\x84\x3a\xa3"
|
||||
"\x8b\xe0\x86\xc3\x20\x19\xda\x92"
|
||||
"\x50\x53\x03\xe1\xc0\xea\xb8\x82",
|
||||
.b_public =
|
||||
"\x1a\x7f\xeb\x52\x00\xbd\x3c\x31"
|
||||
"\x7d\xb6\x70\xc1\x86\xa6\xc7\xc4"
|
||||
"\x3b\xc5\x5f\x6c\x6f\x58\x3c\xf5"
|
||||
"\xb6\x63\x82\x77\x33\x24\xa1\x5f"
|
||||
"\x6a\xca\x43\x6f\xf7\x7e\xff\x02"
|
||||
"\x37\x08\xcc\x40\x5e\x7a\xfd\x6a"
|
||||
"\x6a\x02\x6e\x41\x87\x68\x38\x77"
|
||||
"\xfa\xa9\x44\x43\x2d\xef\x09\xdf",
|
||||
.secret_size = 8,
|
||||
.b_secret_size = 40,
|
||||
.b_public_size = 64,
|
||||
.expected_a_public_size = 64,
|
||||
.expected_ss_size = 32,
|
||||
.genkey = true,
|
||||
}
|
||||
};
|
||||
|
||||
|
@ -25,6 +25,10 @@
|
||||
#include <linux/module.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/pm_runtime.h>
|
||||
|
||||
/* Runtime PM autosuspend timeout: */
|
||||
#define RNG_AUTOSUSPEND_TIMEOUT 100
|
||||
|
||||
#define USEC_POLL 2
|
||||
#define TIMEOUT_POLL 20
|
||||
@ -90,6 +94,8 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
|
||||
struct mtk_rng *priv = to_mtk_rng(rng);
|
||||
int retval = 0;
|
||||
|
||||
pm_runtime_get_sync((struct device *)priv->rng.priv);
|
||||
|
||||
while (max >= sizeof(u32)) {
|
||||
if (!mtk_rng_wait_ready(rng, wait))
|
||||
break;
|
||||
@ -100,6 +106,9 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
|
||||
max -= sizeof(u32);
|
||||
}
|
||||
|
||||
pm_runtime_mark_last_busy((struct device *)priv->rng.priv);
|
||||
pm_runtime_put_sync_autosuspend((struct device *)priv->rng.priv);
|
||||
|
||||
return retval || !wait ? retval : -EIO;
|
||||
}
|
||||
|
||||
@ -120,9 +129,12 @@ static int mtk_rng_probe(struct platform_device *pdev)
|
||||
return -ENOMEM;
|
||||
|
||||
priv->rng.name = pdev->name;
|
||||
#ifndef CONFIG_PM
|
||||
priv->rng.init = mtk_rng_init;
|
||||
priv->rng.cleanup = mtk_rng_cleanup;
|
||||
#endif
|
||||
priv->rng.read = mtk_rng_read;
|
||||
priv->rng.priv = (unsigned long)&pdev->dev;
|
||||
|
||||
priv->clk = devm_clk_get(&pdev->dev, "rng");
|
||||
if (IS_ERR(priv->clk)) {
|
||||
@ -142,11 +154,40 @@ static int mtk_rng_probe(struct platform_device *pdev)
|
||||
return ret;
|
||||
}
|
||||
|
||||
dev_set_drvdata(&pdev->dev, priv);
|
||||
pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT);
|
||||
pm_runtime_use_autosuspend(&pdev->dev);
|
||||
pm_runtime_enable(&pdev->dev);
|
||||
|
||||
dev_info(&pdev->dev, "registered RNG driver\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int mtk_rng_runtime_suspend(struct device *dev)
|
||||
{
|
||||
struct mtk_rng *priv = dev_get_drvdata(dev);
|
||||
|
||||
mtk_rng_cleanup(&priv->rng);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mtk_rng_runtime_resume(struct device *dev)
|
||||
{
|
||||
struct mtk_rng *priv = dev_get_drvdata(dev);
|
||||
|
||||
return mtk_rng_init(&priv->rng);
|
||||
}
|
||||
|
||||
static UNIVERSAL_DEV_PM_OPS(mtk_rng_pm_ops, mtk_rng_runtime_suspend,
|
||||
mtk_rng_runtime_resume, NULL);
|
||||
#define MTK_RNG_PM_OPS (&mtk_rng_pm_ops)
|
||||
#else /* CONFIG_PM */
|
||||
#define MTK_RNG_PM_OPS NULL
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static const struct of_device_id mtk_rng_match[] = {
|
||||
{ .compatible = "mediatek,mt7623-rng" },
|
||||
{},
|
||||
@ -157,6 +198,7 @@ static struct platform_driver mtk_rng_driver = {
|
||||
.probe = mtk_rng_probe,
|
||||
.driver = {
|
||||
.name = MTK_RNG_DEV,
|
||||
.pm = MTK_RNG_PM_OPS,
|
||||
.of_match_table = mtk_rng_match,
|
||||
},
|
||||
};
|
||||
|
@ -53,7 +53,10 @@ static int omap3_rom_rng_get_random(void *buf, unsigned int count)
|
||||
|
||||
cancel_delayed_work_sync(&idle_work);
|
||||
if (rng_idle) {
|
||||
clk_prepare_enable(rng_clk);
|
||||
r = clk_prepare_enable(rng_clk);
|
||||
if (r)
|
||||
return r;
|
||||
|
||||
r = omap3_rom_rng_call(0, 0, RNG_GEN_PRNG_HW_INIT);
|
||||
if (r != 0) {
|
||||
clk_disable_unprepare(rng_clk);
|
||||
@ -88,6 +91,8 @@ static struct hwrng omap3_rom_rng_ops = {
|
||||
|
||||
static int omap3_rom_rng_probe(struct platform_device *pdev)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
pr_info("initializing\n");
|
||||
|
||||
omap3_rom_rng_call = pdev->dev.platform_data;
|
||||
@ -104,7 +109,9 @@ static int omap3_rom_rng_probe(struct platform_device *pdev)
|
||||
}
|
||||
|
||||
/* Leave the RNG in reset state. */
|
||||
clk_prepare_enable(rng_clk);
|
||||
ret = clk_prepare_enable(rng_clk);
|
||||
if (ret)
|
||||
return ret;
|
||||
omap3_rom_rng_idle(0);
|
||||
|
||||
return hwrng_register(&omap3_rom_rng_ops);
|
||||
|
@ -151,8 +151,15 @@ static int timeriomem_rng_probe(struct platform_device *pdev)
|
||||
dev_err(&pdev->dev, "missing period\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!of_property_read_u32(pdev->dev.of_node,
|
||||
"quality", &i))
|
||||
priv->rng_ops.quality = i;
|
||||
else
|
||||
priv->rng_ops.quality = 0;
|
||||
} else {
|
||||
period = pdata->period;
|
||||
priv->rng_ops.quality = pdata->quality;
|
||||
}
|
||||
|
||||
priv->period = ns_to_ktime(period * NSEC_PER_USEC);
|
||||
|
@ -327,6 +327,15 @@ config HW_RANDOM_PPC4XX
|
||||
This option provides the kernel-side support for the TRNG hardware
|
||||
found in the security function of some PowerPC 4xx SoCs.
|
||||
|
||||
config CRYPTO_DEV_OMAP
|
||||
tristate "Support for OMAP crypto HW accelerators"
|
||||
depends on ARCH_OMAP2PLUS
|
||||
help
|
||||
OMAP processors have various crypto HW accelerators. Select this if
|
||||
you want to use the OMAP modules for any of the crypto algorithms.
|
||||
|
||||
if CRYPTO_DEV_OMAP
|
||||
|
||||
config CRYPTO_DEV_OMAP_SHAM
|
||||
tristate "Support for OMAP MD5/SHA1/SHA2 hw accelerator"
|
||||
depends on ARCH_OMAP2PLUS
|
||||
@ -348,6 +357,7 @@ config CRYPTO_DEV_OMAP_AES
|
||||
select CRYPTO_CBC
|
||||
select CRYPTO_ECB
|
||||
select CRYPTO_CTR
|
||||
select CRYPTO_AEAD
|
||||
help
|
||||
OMAP processors have AES module accelerator. Select this if you
|
||||
want to use the OMAP module for AES algorithms.
|
||||
@ -364,6 +374,8 @@ config CRYPTO_DEV_OMAP_DES
|
||||
the ECB and CBC modes of operation are supported by the driver. Also
|
||||
accesses made on unaligned boundaries are supported.
|
||||
|
||||
endif # CRYPTO_DEV_OMAP
|
||||
|
||||
config CRYPTO_DEV_PICOXCELL
|
||||
tristate "Support for picoXcell IPSEC and Layer2 crypto engines"
|
||||
depends on (ARCH_PICOXCELL || COMPILE_TEST) && HAVE_CLK
|
||||
@ -542,6 +554,7 @@ config CRYPTO_DEV_MXS_DCP
|
||||
|
||||
source "drivers/crypto/qat/Kconfig"
|
||||
source "drivers/crypto/cavium/cpt/Kconfig"
|
||||
source "drivers/crypto/cavium/nitrox/Kconfig"
|
||||
|
||||
config CRYPTO_DEV_CAVIUM_ZIP
|
||||
tristate "Cavium ZIP driver"
|
||||
@ -656,4 +669,21 @@ config CRYPTO_DEV_BCM_SPU
|
||||
|
||||
source "drivers/crypto/stm32/Kconfig"
|
||||
|
||||
config CRYPTO_DEV_SAFEXCEL
|
||||
tristate "Inside Secure's SafeXcel cryptographic engine driver"
|
||||
depends on HAS_DMA && OF
|
||||
depends on (ARM64 && ARCH_MVEBU) || (COMPILE_TEST && 64BIT)
|
||||
select CRYPTO_AES
|
||||
select CRYPTO_BLKCIPHER
|
||||
select CRYPTO_HASH
|
||||
select CRYPTO_HMAC
|
||||
select CRYPTO_SHA1
|
||||
select CRYPTO_SHA256
|
||||
select CRYPTO_SHA512
|
||||
help
|
||||
This driver interfaces with the SafeXcel EIP-197 cryptographic engine
|
||||
designed by Inside Secure. Select this if you want to use CBC/ECB
|
||||
chain mode, AES cipher mode and SHA1/SHA224/SHA256/SHA512 hash
|
||||
algorithms.
|
||||
|
||||
endif # CRYPTO_HW
|
||||
|
@ -6,6 +6,7 @@ obj-$(CONFIG_CRYPTO_DEV_CAVIUM_ZIP) += cavium/
|
||||
obj-$(CONFIG_CRYPTO_DEV_CCP) += ccp/
|
||||
obj-$(CONFIG_CRYPTO_DEV_CHELSIO) += chelsio/
|
||||
obj-$(CONFIG_CRYPTO_DEV_CPT) += cavium/cpt/
|
||||
obj-$(CONFIG_CRYPTO_DEV_NITROX) += cavium/nitrox/
|
||||
obj-$(CONFIG_CRYPTO_DEV_EXYNOS_RNG) += exynos-rng.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam/
|
||||
obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
|
||||
@ -20,7 +21,9 @@ obj-$(CONFIG_CRYPTO_DEV_MXC_SCC) += mxc-scc.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
|
||||
n2_crypto-y := n2_core.o n2_asm.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_NX) += nx/
|
||||
obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_OMAP) += omap-crypto.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes-driver.o
|
||||
omap-aes-driver-objs := omap-aes.o omap-aes-gcm.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_OMAP_DES) += omap-des.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
|
||||
obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
|
||||
@ -39,3 +42,4 @@ obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/
|
||||
obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio/
|
||||
obj-$(CONFIG_CRYPTO_DEV_VMX) += vmx/
|
||||
obj-$(CONFIG_CRYPTO_DEV_BCM_SPU) += bcm/
|
||||
obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += inside-secure/
|
||||
|
@ -1179,6 +1179,7 @@ static int crypto4xx_probe(struct platform_device *ofdev)
|
||||
dev_set_drvdata(dev, core_dev);
|
||||
core_dev->ofdev = ofdev;
|
||||
core_dev->dev = kzalloc(sizeof(struct crypto4xx_device), GFP_KERNEL);
|
||||
rc = -ENOMEM;
|
||||
if (!core_dev->dev)
|
||||
goto err_alloc_dev;
|
||||
|
||||
|
@ -36,6 +36,7 @@
|
||||
#include <crypto/internal/aead.h>
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/des.h>
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <crypto/md5.h>
|
||||
#include <crypto/authenc.h>
|
||||
@ -2510,8 +2511,8 @@ static int ahash_hmac_setkey(struct crypto_ahash *ahash, const u8 *key,
|
||||
memcpy(ctx->opad, ctx->ipad, blocksize);
|
||||
|
||||
for (index = 0; index < blocksize; index++) {
|
||||
ctx->ipad[index] ^= 0x36;
|
||||
ctx->opad[index] ^= 0x5c;
|
||||
ctx->ipad[index] ^= HMAC_IPAD_VALUE;
|
||||
ctx->opad[index] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
flow_dump(" ipad: ", ctx->ipad, blocksize);
|
||||
@ -2638,7 +2639,7 @@ static int aead_need_fallback(struct aead_request *req)
|
||||
(spu->spu_type == SPU_TYPE_SPUM) &&
|
||||
(ctx->digestsize != 8) && (ctx->digestsize != 12) &&
|
||||
(ctx->digestsize != 16)) {
|
||||
flow_log("%s() AES CCM needs fallbck for digest size %d\n",
|
||||
flow_log("%s() AES CCM needs fallback for digest size %d\n",
|
||||
__func__, ctx->digestsize);
|
||||
return 1;
|
||||
}
|
||||
|
@ -1187,8 +1187,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
||||
struct aead_edesc *edesc;
|
||||
int sec4_sg_index, sec4_sg_len, sec4_sg_bytes;
|
||||
@ -1475,8 +1475,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
|
||||
struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
|
||||
struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ?
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
||||
struct ablkcipher_edesc *edesc;
|
||||
@ -1681,8 +1680,7 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc(
|
||||
struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
|
||||
struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ?
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents;
|
||||
struct ablkcipher_edesc *edesc;
|
||||
|
@ -555,8 +555,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
|
||||
struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
|
||||
typeof(*alg), aead);
|
||||
struct device *qidev = ctx->qidev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
||||
struct aead_edesc *edesc;
|
||||
dma_addr_t qm_sg_dma, iv_dma = 0;
|
||||
@ -808,8 +808,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
|
||||
struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
|
||||
struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
|
||||
struct device *qidev = ctx->qidev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ?
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
||||
struct ablkcipher_edesc *edesc;
|
||||
@ -953,8 +952,7 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc(
|
||||
struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
|
||||
struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
|
||||
struct device *qidev = ctx->qidev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ?
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents;
|
||||
struct ablkcipher_edesc *edesc;
|
||||
|
@ -719,8 +719,8 @@ static int ahash_update_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
u8 *buf = current_buf(state);
|
||||
int *buflen = current_buflen(state);
|
||||
u8 *next_buf = alt_buf(state);
|
||||
@ -849,8 +849,8 @@ static int ahash_final_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int buflen = *current_buflen(state);
|
||||
u32 *desc;
|
||||
int sec4_sg_bytes, sec4_sg_src_index;
|
||||
@ -926,8 +926,8 @@ static int ahash_finup_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int buflen = *current_buflen(state);
|
||||
u32 *desc;
|
||||
int sec4_sg_src_index;
|
||||
@ -1013,8 +1013,8 @@ static int ahash_digest(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
u32 *desc;
|
||||
int digestsize = crypto_ahash_digestsize(ahash);
|
||||
int src_nents, mapped_nents;
|
||||
@ -1093,8 +1093,8 @@ static int ahash_final_no_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
u8 *buf = current_buf(state);
|
||||
int buflen = *current_buflen(state);
|
||||
u32 *desc;
|
||||
@ -1154,8 +1154,8 @@ static int ahash_update_no_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
u8 *buf = current_buf(state);
|
||||
int *buflen = current_buflen(state);
|
||||
u8 *next_buf = alt_buf(state);
|
||||
@ -1280,8 +1280,8 @@ static int ahash_finup_no_ctx(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int buflen = *current_buflen(state);
|
||||
u32 *desc;
|
||||
int sec4_sg_bytes, sec4_sg_src_index, src_nents, mapped_nents;
|
||||
@ -1370,8 +1370,8 @@ static int ahash_update_first(struct ahash_request *req)
|
||||
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
|
||||
struct caam_hash_state *state = ahash_request_ctx(req);
|
||||
struct device *jrdev = ctx->jrdev;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
u8 *next_buf = alt_buf(state);
|
||||
int *next_buflen = alt_buflen(state);
|
||||
int to_hash;
|
||||
|
@ -18,6 +18,10 @@
|
||||
#define DESC_RSA_PUB_LEN (2 * CAAM_CMD_SZ + sizeof(struct rsa_pub_pdb))
|
||||
#define DESC_RSA_PRIV_F1_LEN (2 * CAAM_CMD_SZ + \
|
||||
sizeof(struct rsa_priv_f1_pdb))
|
||||
#define DESC_RSA_PRIV_F2_LEN (2 * CAAM_CMD_SZ + \
|
||||
sizeof(struct rsa_priv_f2_pdb))
|
||||
#define DESC_RSA_PRIV_F3_LEN (2 * CAAM_CMD_SZ + \
|
||||
sizeof(struct rsa_priv_f3_pdb))
|
||||
|
||||
static void rsa_io_unmap(struct device *dev, struct rsa_edesc *edesc,
|
||||
struct akcipher_request *req)
|
||||
@ -54,6 +58,42 @@ static void rsa_priv_f1_unmap(struct device *dev, struct rsa_edesc *edesc,
|
||||
dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE);
|
||||
}
|
||||
|
||||
static void rsa_priv_f2_unmap(struct device *dev, struct rsa_edesc *edesc,
|
||||
struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
struct rsa_priv_f2_pdb *pdb = &edesc->pdb.priv_f2;
|
||||
size_t p_sz = key->p_sz;
|
||||
size_t q_sz = key->p_sz;
|
||||
|
||||
dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->tmp2_dma, q_sz, DMA_TO_DEVICE);
|
||||
}
|
||||
|
||||
static void rsa_priv_f3_unmap(struct device *dev, struct rsa_edesc *edesc,
|
||||
struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
struct rsa_priv_f3_pdb *pdb = &edesc->pdb.priv_f3;
|
||||
size_t p_sz = key->p_sz;
|
||||
size_t q_sz = key->p_sz;
|
||||
|
||||
dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->dp_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->dq_dma, q_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->c_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_TO_DEVICE);
|
||||
dma_unmap_single(dev, pdb->tmp2_dma, q_sz, DMA_TO_DEVICE);
|
||||
}
|
||||
|
||||
/* RSA Job Completion handler */
|
||||
static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
|
||||
{
|
||||
@ -90,6 +130,42 @@ static void rsa_priv_f1_done(struct device *dev, u32 *desc, u32 err,
|
||||
akcipher_request_complete(req, err);
|
||||
}
|
||||
|
||||
static void rsa_priv_f2_done(struct device *dev, u32 *desc, u32 err,
|
||||
void *context)
|
||||
{
|
||||
struct akcipher_request *req = context;
|
||||
struct rsa_edesc *edesc;
|
||||
|
||||
if (err)
|
||||
caam_jr_strstatus(dev, err);
|
||||
|
||||
edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
|
||||
|
||||
rsa_priv_f2_unmap(dev, edesc, req);
|
||||
rsa_io_unmap(dev, edesc, req);
|
||||
kfree(edesc);
|
||||
|
||||
akcipher_request_complete(req, err);
|
||||
}
|
||||
|
||||
static void rsa_priv_f3_done(struct device *dev, u32 *desc, u32 err,
|
||||
void *context)
|
||||
{
|
||||
struct akcipher_request *req = context;
|
||||
struct rsa_edesc *edesc;
|
||||
|
||||
if (err)
|
||||
caam_jr_strstatus(dev, err);
|
||||
|
||||
edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
|
||||
|
||||
rsa_priv_f3_unmap(dev, edesc, req);
|
||||
rsa_io_unmap(dev, edesc, req);
|
||||
kfree(edesc);
|
||||
|
||||
akcipher_request_complete(req, err);
|
||||
}
|
||||
|
||||
static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req,
|
||||
size_t desclen)
|
||||
{
|
||||
@ -97,8 +173,8 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req,
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct device *dev = ctx->dev;
|
||||
struct rsa_edesc *edesc;
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
|
||||
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int sgc;
|
||||
int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes;
|
||||
int src_nents, dst_nents;
|
||||
@ -258,6 +334,172 @@ static int set_rsa_priv_f1_pdb(struct akcipher_request *req,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int set_rsa_priv_f2_pdb(struct akcipher_request *req,
|
||||
struct rsa_edesc *edesc)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
struct device *dev = ctx->dev;
|
||||
struct rsa_priv_f2_pdb *pdb = &edesc->pdb.priv_f2;
|
||||
int sec4_sg_index = 0;
|
||||
size_t p_sz = key->p_sz;
|
||||
size_t q_sz = key->p_sz;
|
||||
|
||||
pdb->d_dma = dma_map_single(dev, key->d, key->d_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->d_dma)) {
|
||||
dev_err(dev, "Unable to map RSA private exponent memory\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
pdb->p_dma = dma_map_single(dev, key->p, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->p_dma)) {
|
||||
dev_err(dev, "Unable to map RSA prime factor p memory\n");
|
||||
goto unmap_d;
|
||||
}
|
||||
|
||||
pdb->q_dma = dma_map_single(dev, key->q, q_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->q_dma)) {
|
||||
dev_err(dev, "Unable to map RSA prime factor q memory\n");
|
||||
goto unmap_p;
|
||||
}
|
||||
|
||||
pdb->tmp1_dma = dma_map_single(dev, key->tmp1, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->tmp1_dma)) {
|
||||
dev_err(dev, "Unable to map RSA tmp1 memory\n");
|
||||
goto unmap_q;
|
||||
}
|
||||
|
||||
pdb->tmp2_dma = dma_map_single(dev, key->tmp2, q_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->tmp2_dma)) {
|
||||
dev_err(dev, "Unable to map RSA tmp2 memory\n");
|
||||
goto unmap_tmp1;
|
||||
}
|
||||
|
||||
if (edesc->src_nents > 1) {
|
||||
pdb->sgf |= RSA_PRIV_PDB_SGF_G;
|
||||
pdb->g_dma = edesc->sec4_sg_dma;
|
||||
sec4_sg_index += edesc->src_nents;
|
||||
} else {
|
||||
pdb->g_dma = sg_dma_address(req->src);
|
||||
}
|
||||
|
||||
if (edesc->dst_nents > 1) {
|
||||
pdb->sgf |= RSA_PRIV_PDB_SGF_F;
|
||||
pdb->f_dma = edesc->sec4_sg_dma +
|
||||
sec4_sg_index * sizeof(struct sec4_sg_entry);
|
||||
} else {
|
||||
pdb->f_dma = sg_dma_address(req->dst);
|
||||
}
|
||||
|
||||
pdb->sgf |= (key->d_sz << RSA_PDB_D_SHIFT) | key->n_sz;
|
||||
pdb->p_q_len = (q_sz << RSA_PDB_Q_SHIFT) | p_sz;
|
||||
|
||||
return 0;
|
||||
|
||||
unmap_tmp1:
|
||||
dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_TO_DEVICE);
|
||||
unmap_q:
|
||||
dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE);
|
||||
unmap_p:
|
||||
dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE);
|
||||
unmap_d:
|
||||
dma_unmap_single(dev, pdb->d_dma, key->d_sz, DMA_TO_DEVICE);
|
||||
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static int set_rsa_priv_f3_pdb(struct akcipher_request *req,
|
||||
struct rsa_edesc *edesc)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
struct device *dev = ctx->dev;
|
||||
struct rsa_priv_f3_pdb *pdb = &edesc->pdb.priv_f3;
|
||||
int sec4_sg_index = 0;
|
||||
size_t p_sz = key->p_sz;
|
||||
size_t q_sz = key->p_sz;
|
||||
|
||||
pdb->p_dma = dma_map_single(dev, key->p, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->p_dma)) {
|
||||
dev_err(dev, "Unable to map RSA prime factor p memory\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
pdb->q_dma = dma_map_single(dev, key->q, q_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->q_dma)) {
|
||||
dev_err(dev, "Unable to map RSA prime factor q memory\n");
|
||||
goto unmap_p;
|
||||
}
|
||||
|
||||
pdb->dp_dma = dma_map_single(dev, key->dp, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->dp_dma)) {
|
||||
dev_err(dev, "Unable to map RSA exponent dp memory\n");
|
||||
goto unmap_q;
|
||||
}
|
||||
|
||||
pdb->dq_dma = dma_map_single(dev, key->dq, q_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->dq_dma)) {
|
||||
dev_err(dev, "Unable to map RSA exponent dq memory\n");
|
||||
goto unmap_dp;
|
||||
}
|
||||
|
||||
pdb->c_dma = dma_map_single(dev, key->qinv, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->c_dma)) {
|
||||
dev_err(dev, "Unable to map RSA CRT coefficient qinv memory\n");
|
||||
goto unmap_dq;
|
||||
}
|
||||
|
||||
pdb->tmp1_dma = dma_map_single(dev, key->tmp1, p_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->tmp1_dma)) {
|
||||
dev_err(dev, "Unable to map RSA tmp1 memory\n");
|
||||
goto unmap_qinv;
|
||||
}
|
||||
|
||||
pdb->tmp2_dma = dma_map_single(dev, key->tmp2, q_sz, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(dev, pdb->tmp2_dma)) {
|
||||
dev_err(dev, "Unable to map RSA tmp2 memory\n");
|
||||
goto unmap_tmp1;
|
||||
}
|
||||
|
||||
if (edesc->src_nents > 1) {
|
||||
pdb->sgf |= RSA_PRIV_PDB_SGF_G;
|
||||
pdb->g_dma = edesc->sec4_sg_dma;
|
||||
sec4_sg_index += edesc->src_nents;
|
||||
} else {
|
||||
pdb->g_dma = sg_dma_address(req->src);
|
||||
}
|
||||
|
||||
if (edesc->dst_nents > 1) {
|
||||
pdb->sgf |= RSA_PRIV_PDB_SGF_F;
|
||||
pdb->f_dma = edesc->sec4_sg_dma +
|
||||
sec4_sg_index * sizeof(struct sec4_sg_entry);
|
||||
} else {
|
||||
pdb->f_dma = sg_dma_address(req->dst);
|
||||
}
|
||||
|
||||
pdb->sgf |= key->n_sz;
|
||||
pdb->p_q_len = (q_sz << RSA_PDB_Q_SHIFT) | p_sz;
|
||||
|
||||
return 0;
|
||||
|
||||
unmap_tmp1:
|
||||
dma_unmap_single(dev, pdb->tmp1_dma, p_sz, DMA_TO_DEVICE);
|
||||
unmap_qinv:
|
||||
dma_unmap_single(dev, pdb->c_dma, p_sz, DMA_TO_DEVICE);
|
||||
unmap_dq:
|
||||
dma_unmap_single(dev, pdb->dq_dma, q_sz, DMA_TO_DEVICE);
|
||||
unmap_dp:
|
||||
dma_unmap_single(dev, pdb->dp_dma, p_sz, DMA_TO_DEVICE);
|
||||
unmap_q:
|
||||
dma_unmap_single(dev, pdb->q_dma, q_sz, DMA_TO_DEVICE);
|
||||
unmap_p:
|
||||
dma_unmap_single(dev, pdb->p_dma, p_sz, DMA_TO_DEVICE);
|
||||
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static int caam_rsa_enc(struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
@ -301,24 +543,14 @@ init_fail:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int caam_rsa_dec(struct akcipher_request *req)
|
||||
static int caam_rsa_dec_priv_f1(struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
struct device *jrdev = ctx->dev;
|
||||
struct rsa_edesc *edesc;
|
||||
int ret;
|
||||
|
||||
if (unlikely(!key->n || !key->d))
|
||||
return -EINVAL;
|
||||
|
||||
if (req->dst_len < key->n_sz) {
|
||||
req->dst_len = key->n_sz;
|
||||
dev_err(jrdev, "Output buffer length less than parameter n\n");
|
||||
return -EOVERFLOW;
|
||||
}
|
||||
|
||||
/* Allocate extended descriptor */
|
||||
edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F1_LEN);
|
||||
if (IS_ERR(edesc))
|
||||
@ -344,17 +576,147 @@ init_fail:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int caam_rsa_dec_priv_f2(struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct device *jrdev = ctx->dev;
|
||||
struct rsa_edesc *edesc;
|
||||
int ret;
|
||||
|
||||
/* Allocate extended descriptor */
|
||||
edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F2_LEN);
|
||||
if (IS_ERR(edesc))
|
||||
return PTR_ERR(edesc);
|
||||
|
||||
/* Set RSA Decrypt Protocol Data Block - Private Key Form #2 */
|
||||
ret = set_rsa_priv_f2_pdb(req, edesc);
|
||||
if (ret)
|
||||
goto init_fail;
|
||||
|
||||
/* Initialize Job Descriptor */
|
||||
init_rsa_priv_f2_desc(edesc->hw_desc, &edesc->pdb.priv_f2);
|
||||
|
||||
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f2_done, req);
|
||||
if (!ret)
|
||||
return -EINPROGRESS;
|
||||
|
||||
rsa_priv_f2_unmap(jrdev, edesc, req);
|
||||
|
||||
init_fail:
|
||||
rsa_io_unmap(jrdev, edesc, req);
|
||||
kfree(edesc);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int caam_rsa_dec_priv_f3(struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct device *jrdev = ctx->dev;
|
||||
struct rsa_edesc *edesc;
|
||||
int ret;
|
||||
|
||||
/* Allocate extended descriptor */
|
||||
edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F3_LEN);
|
||||
if (IS_ERR(edesc))
|
||||
return PTR_ERR(edesc);
|
||||
|
||||
/* Set RSA Decrypt Protocol Data Block - Private Key Form #3 */
|
||||
ret = set_rsa_priv_f3_pdb(req, edesc);
|
||||
if (ret)
|
||||
goto init_fail;
|
||||
|
||||
/* Initialize Job Descriptor */
|
||||
init_rsa_priv_f3_desc(edesc->hw_desc, &edesc->pdb.priv_f3);
|
||||
|
||||
ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f3_done, req);
|
||||
if (!ret)
|
||||
return -EINPROGRESS;
|
||||
|
||||
rsa_priv_f3_unmap(jrdev, edesc, req);
|
||||
|
||||
init_fail:
|
||||
rsa_io_unmap(jrdev, edesc, req);
|
||||
kfree(edesc);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int caam_rsa_dec(struct akcipher_request *req)
|
||||
{
|
||||
struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
int ret;
|
||||
|
||||
if (unlikely(!key->n || !key->d))
|
||||
return -EINVAL;
|
||||
|
||||
if (req->dst_len < key->n_sz) {
|
||||
req->dst_len = key->n_sz;
|
||||
dev_err(ctx->dev, "Output buffer length less than parameter n\n");
|
||||
return -EOVERFLOW;
|
||||
}
|
||||
|
||||
if (key->priv_form == FORM3)
|
||||
ret = caam_rsa_dec_priv_f3(req);
|
||||
else if (key->priv_form == FORM2)
|
||||
ret = caam_rsa_dec_priv_f2(req);
|
||||
else
|
||||
ret = caam_rsa_dec_priv_f1(req);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void caam_rsa_free_key(struct caam_rsa_key *key)
|
||||
{
|
||||
kzfree(key->d);
|
||||
kzfree(key->p);
|
||||
kzfree(key->q);
|
||||
kzfree(key->dp);
|
||||
kzfree(key->dq);
|
||||
kzfree(key->qinv);
|
||||
kzfree(key->tmp1);
|
||||
kzfree(key->tmp2);
|
||||
kfree(key->e);
|
||||
kfree(key->n);
|
||||
key->d = NULL;
|
||||
key->e = NULL;
|
||||
key->n = NULL;
|
||||
key->d_sz = 0;
|
||||
key->e_sz = 0;
|
||||
key->n_sz = 0;
|
||||
memset(key, 0, sizeof(*key));
|
||||
}
|
||||
|
||||
static void caam_rsa_drop_leading_zeros(const u8 **ptr, size_t *nbytes)
|
||||
{
|
||||
while (!**ptr && *nbytes) {
|
||||
(*ptr)++;
|
||||
(*nbytes)--;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* caam_read_rsa_crt - Used for reading dP, dQ, qInv CRT members.
|
||||
* dP, dQ and qInv could decode to less than corresponding p, q length, as the
|
||||
* BER-encoding requires that the minimum number of bytes be used to encode the
|
||||
* integer. dP, dQ, qInv decoded values have to be zero-padded to appropriate
|
||||
* length.
|
||||
*
|
||||
* @ptr : pointer to {dP, dQ, qInv} CRT member
|
||||
* @nbytes: length in bytes of {dP, dQ, qInv} CRT member
|
||||
* @dstlen: length in bytes of corresponding p or q prime factor
|
||||
*/
|
||||
static u8 *caam_read_rsa_crt(const u8 *ptr, size_t nbytes, size_t dstlen)
|
||||
{
|
||||
u8 *dst;
|
||||
|
||||
caam_rsa_drop_leading_zeros(&ptr, &nbytes);
|
||||
if (!nbytes)
|
||||
return NULL;
|
||||
|
||||
dst = kzalloc(dstlen, GFP_DMA | GFP_KERNEL);
|
||||
if (!dst)
|
||||
return NULL;
|
||||
|
||||
memcpy(dst + (dstlen - nbytes), ptr, nbytes);
|
||||
|
||||
return dst;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -370,10 +732,9 @@ static inline u8 *caam_read_raw_data(const u8 *buf, size_t *nbytes)
|
||||
{
|
||||
u8 *val;
|
||||
|
||||
while (!*buf && *nbytes) {
|
||||
buf++;
|
||||
(*nbytes)--;
|
||||
}
|
||||
caam_rsa_drop_leading_zeros(&buf, nbytes);
|
||||
if (!*nbytes)
|
||||
return NULL;
|
||||
|
||||
val = kzalloc(*nbytes, GFP_DMA | GFP_KERNEL);
|
||||
if (!val)
|
||||
@ -437,6 +798,64 @@ err:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx,
|
||||
struct rsa_key *raw_key)
|
||||
{
|
||||
struct caam_rsa_key *rsa_key = &ctx->key;
|
||||
size_t p_sz = raw_key->p_sz;
|
||||
size_t q_sz = raw_key->q_sz;
|
||||
|
||||
rsa_key->p = caam_read_raw_data(raw_key->p, &p_sz);
|
||||
if (!rsa_key->p)
|
||||
return;
|
||||
rsa_key->p_sz = p_sz;
|
||||
|
||||
rsa_key->q = caam_read_raw_data(raw_key->q, &q_sz);
|
||||
if (!rsa_key->q)
|
||||
goto free_p;
|
||||
rsa_key->q_sz = q_sz;
|
||||
|
||||
rsa_key->tmp1 = kzalloc(raw_key->p_sz, GFP_DMA | GFP_KERNEL);
|
||||
if (!rsa_key->tmp1)
|
||||
goto free_q;
|
||||
|
||||
rsa_key->tmp2 = kzalloc(raw_key->q_sz, GFP_DMA | GFP_KERNEL);
|
||||
if (!rsa_key->tmp2)
|
||||
goto free_tmp1;
|
||||
|
||||
rsa_key->priv_form = FORM2;
|
||||
|
||||
rsa_key->dp = caam_read_rsa_crt(raw_key->dp, raw_key->dp_sz, p_sz);
|
||||
if (!rsa_key->dp)
|
||||
goto free_tmp2;
|
||||
|
||||
rsa_key->dq = caam_read_rsa_crt(raw_key->dq, raw_key->dq_sz, q_sz);
|
||||
if (!rsa_key->dq)
|
||||
goto free_dp;
|
||||
|
||||
rsa_key->qinv = caam_read_rsa_crt(raw_key->qinv, raw_key->qinv_sz,
|
||||
q_sz);
|
||||
if (!rsa_key->qinv)
|
||||
goto free_dq;
|
||||
|
||||
rsa_key->priv_form = FORM3;
|
||||
|
||||
return;
|
||||
|
||||
free_dq:
|
||||
kzfree(rsa_key->dq);
|
||||
free_dp:
|
||||
kzfree(rsa_key->dp);
|
||||
free_tmp2:
|
||||
kzfree(rsa_key->tmp2);
|
||||
free_tmp1:
|
||||
kzfree(rsa_key->tmp1);
|
||||
free_q:
|
||||
kzfree(rsa_key->q);
|
||||
free_p:
|
||||
kzfree(rsa_key->p);
|
||||
}
|
||||
|
||||
static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
@ -483,6 +902,8 @@ static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key,
|
||||
memcpy(rsa_key->d, raw_key.d, raw_key.d_sz);
|
||||
memcpy(rsa_key->e, raw_key.e, raw_key.e_sz);
|
||||
|
||||
caam_rsa_set_priv_key_form(ctx, &raw_key);
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
@ -490,12 +911,11 @@ err:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static int caam_rsa_max_size(struct crypto_akcipher *tfm)
|
||||
static unsigned int caam_rsa_max_size(struct crypto_akcipher *tfm)
|
||||
{
|
||||
struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
|
||||
struct caam_rsa_key *key = &ctx->key;
|
||||
|
||||
return (key->n) ? key->n_sz : -EINVAL;
|
||||
return ctx->key.n_sz;
|
||||
}
|
||||
|
||||
/* Per session pkc's driver context creation function */
|
||||
|
@ -12,22 +12,76 @@
|
||||
#include "compat.h"
|
||||
#include "pdb.h"
|
||||
|
||||
/**
|
||||
* caam_priv_key_form - CAAM RSA private key representation
|
||||
* CAAM RSA private key may have either of three forms.
|
||||
*
|
||||
* 1. The first representation consists of the pair (n, d), where the
|
||||
* components have the following meanings:
|
||||
* n the RSA modulus
|
||||
* d the RSA private exponent
|
||||
*
|
||||
* 2. The second representation consists of the triplet (p, q, d), where the
|
||||
* components have the following meanings:
|
||||
* p the first prime factor of the RSA modulus n
|
||||
* q the second prime factor of the RSA modulus n
|
||||
* d the RSA private exponent
|
||||
*
|
||||
* 3. The third representation consists of the quintuple (p, q, dP, dQ, qInv),
|
||||
* where the components have the following meanings:
|
||||
* p the first prime factor of the RSA modulus n
|
||||
* q the second prime factor of the RSA modulus n
|
||||
* dP the first factors's CRT exponent
|
||||
* dQ the second factors's CRT exponent
|
||||
* qInv the (first) CRT coefficient
|
||||
*
|
||||
* The benefit of using the third or the second key form is lower computational
|
||||
* cost for the decryption and signature operations.
|
||||
*/
|
||||
enum caam_priv_key_form {
|
||||
FORM1,
|
||||
FORM2,
|
||||
FORM3
|
||||
};
|
||||
|
||||
/**
|
||||
* caam_rsa_key - CAAM RSA key structure. Keys are allocated in DMA zone.
|
||||
* @n : RSA modulus raw byte stream
|
||||
* @e : RSA public exponent raw byte stream
|
||||
* @d : RSA private exponent raw byte stream
|
||||
* @p : RSA prime factor p of RSA modulus n
|
||||
* @q : RSA prime factor q of RSA modulus n
|
||||
* @dp : RSA CRT exponent of p
|
||||
* @dp : RSA CRT exponent of q
|
||||
* @qinv : RSA CRT coefficient
|
||||
* @tmp1 : CAAM uses this temporary buffer as internal state buffer.
|
||||
* It is assumed to be as long as p.
|
||||
* @tmp2 : CAAM uses this temporary buffer as internal state buffer.
|
||||
* It is assumed to be as long as q.
|
||||
* @n_sz : length in bytes of RSA modulus n
|
||||
* @e_sz : length in bytes of RSA public exponent
|
||||
* @d_sz : length in bytes of RSA private exponent
|
||||
* @p_sz : length in bytes of RSA prime factor p of RSA modulus n
|
||||
* @q_sz : length in bytes of RSA prime factor q of RSA modulus n
|
||||
* @priv_form : CAAM RSA private key representation
|
||||
*/
|
||||
struct caam_rsa_key {
|
||||
u8 *n;
|
||||
u8 *e;
|
||||
u8 *d;
|
||||
u8 *p;
|
||||
u8 *q;
|
||||
u8 *dp;
|
||||
u8 *dq;
|
||||
u8 *qinv;
|
||||
u8 *tmp1;
|
||||
u8 *tmp2;
|
||||
size_t n_sz;
|
||||
size_t e_sz;
|
||||
size_t d_sz;
|
||||
size_t p_sz;
|
||||
size_t q_sz;
|
||||
enum caam_priv_key_form priv_form;
|
||||
};
|
||||
|
||||
/**
|
||||
@ -59,6 +113,8 @@ struct rsa_edesc {
|
||||
union {
|
||||
struct rsa_pub_pdb pub;
|
||||
struct rsa_priv_f1_pdb priv_f1;
|
||||
struct rsa_priv_f2_pdb priv_f2;
|
||||
struct rsa_priv_f3_pdb priv_f3;
|
||||
} pdb;
|
||||
u32 hw_desc[];
|
||||
};
|
||||
@ -66,5 +122,7 @@ struct rsa_edesc {
|
||||
/* Descriptor construction primitives. */
|
||||
void init_rsa_pub_desc(u32 *desc, struct rsa_pub_pdb *pdb);
|
||||
void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb);
|
||||
void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb);
|
||||
void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb);
|
||||
|
||||
#endif
|
||||
|
@ -536,7 +536,7 @@ static int caam_jr_probe(struct platform_device *pdev)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct of_device_id caam_jr_match[] = {
|
||||
static const struct of_device_id caam_jr_match[] = {
|
||||
{
|
||||
.compatible = "fsl,sec-v4.0-job-ring",
|
||||
},
|
||||
|
@ -483,6 +483,8 @@ struct dsa_verify_pdb {
|
||||
#define RSA_PDB_E_MASK (0xFFF << RSA_PDB_E_SHIFT)
|
||||
#define RSA_PDB_D_SHIFT 12
|
||||
#define RSA_PDB_D_MASK (0xFFF << RSA_PDB_D_SHIFT)
|
||||
#define RSA_PDB_Q_SHIFT 12
|
||||
#define RSA_PDB_Q_MASK (0xFFF << RSA_PDB_Q_SHIFT)
|
||||
|
||||
#define RSA_PDB_SGF_F (0x8 << RSA_PDB_SGF_SHIFT)
|
||||
#define RSA_PDB_SGF_G (0x4 << RSA_PDB_SGF_SHIFT)
|
||||
@ -490,6 +492,8 @@ struct dsa_verify_pdb {
|
||||
#define RSA_PRIV_PDB_SGF_G (0x8 << RSA_PDB_SGF_SHIFT)
|
||||
|
||||
#define RSA_PRIV_KEY_FRM_1 0
|
||||
#define RSA_PRIV_KEY_FRM_2 1
|
||||
#define RSA_PRIV_KEY_FRM_3 2
|
||||
|
||||
/**
|
||||
* RSA Encrypt Protocol Data Block
|
||||
@ -525,4 +529,62 @@ struct rsa_priv_f1_pdb {
|
||||
dma_addr_t d_dma;
|
||||
} __packed;
|
||||
|
||||
/**
|
||||
* RSA Decrypt PDB - Private Key Form #2
|
||||
* @sgf : scatter-gather field
|
||||
* @g_dma : dma address of encrypted input data
|
||||
* @f_dma : dma address of output data
|
||||
* @d_dma : dma address of RSA private exponent
|
||||
* @p_dma : dma address of RSA prime factor p of RSA modulus n
|
||||
* @q_dma : dma address of RSA prime factor q of RSA modulus n
|
||||
* @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer
|
||||
* as internal state buffer. It is assumed to be as long as p.
|
||||
* @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer
|
||||
* as internal state buffer. It is assumed to be as long as q.
|
||||
* @p_q_len : length in bytes of first two prime factors of the RSA modulus n
|
||||
*/
|
||||
struct rsa_priv_f2_pdb {
|
||||
u32 sgf;
|
||||
dma_addr_t g_dma;
|
||||
dma_addr_t f_dma;
|
||||
dma_addr_t d_dma;
|
||||
dma_addr_t p_dma;
|
||||
dma_addr_t q_dma;
|
||||
dma_addr_t tmp1_dma;
|
||||
dma_addr_t tmp2_dma;
|
||||
u32 p_q_len;
|
||||
} __packed;
|
||||
|
||||
/**
|
||||
* RSA Decrypt PDB - Private Key Form #3
|
||||
* This is the RSA Chinese Reminder Theorem (CRT) form for two prime factors of
|
||||
* the RSA modulus.
|
||||
* @sgf : scatter-gather field
|
||||
* @g_dma : dma address of encrypted input data
|
||||
* @f_dma : dma address of output data
|
||||
* @c_dma : dma address of RSA CRT coefficient
|
||||
* @p_dma : dma address of RSA prime factor p of RSA modulus n
|
||||
* @q_dma : dma address of RSA prime factor q of RSA modulus n
|
||||
* @dp_dma : dma address of RSA CRT exponent of RSA prime factor p
|
||||
* @dp_dma : dma address of RSA CRT exponent of RSA prime factor q
|
||||
* @tmp1_dma: dma address of temporary buffer. CAAM uses this temporary buffer
|
||||
* as internal state buffer. It is assumed to be as long as p.
|
||||
* @tmp2_dma: dma address of temporary buffer. CAAM uses this temporary buffer
|
||||
* as internal state buffer. It is assumed to be as long as q.
|
||||
* @p_q_len : length in bytes of first two prime factors of the RSA modulus n
|
||||
*/
|
||||
struct rsa_priv_f3_pdb {
|
||||
u32 sgf;
|
||||
dma_addr_t g_dma;
|
||||
dma_addr_t f_dma;
|
||||
dma_addr_t c_dma;
|
||||
dma_addr_t p_dma;
|
||||
dma_addr_t q_dma;
|
||||
dma_addr_t dp_dma;
|
||||
dma_addr_t dq_dma;
|
||||
dma_addr_t tmp1_dma;
|
||||
dma_addr_t tmp2_dma;
|
||||
u32 p_q_len;
|
||||
} __packed;
|
||||
|
||||
#endif
|
||||
|
@ -34,3 +34,39 @@ void init_rsa_priv_f1_desc(u32 *desc, struct rsa_priv_f1_pdb *pdb)
|
||||
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
|
||||
RSA_PRIV_KEY_FRM_1);
|
||||
}
|
||||
|
||||
/* Descriptor for RSA Private operation - Private Key Form #2 */
|
||||
void init_rsa_priv_f2_desc(u32 *desc, struct rsa_priv_f2_pdb *pdb)
|
||||
{
|
||||
init_job_desc_pdb(desc, 0, sizeof(*pdb));
|
||||
append_cmd(desc, pdb->sgf);
|
||||
append_ptr(desc, pdb->g_dma);
|
||||
append_ptr(desc, pdb->f_dma);
|
||||
append_ptr(desc, pdb->d_dma);
|
||||
append_ptr(desc, pdb->p_dma);
|
||||
append_ptr(desc, pdb->q_dma);
|
||||
append_ptr(desc, pdb->tmp1_dma);
|
||||
append_ptr(desc, pdb->tmp2_dma);
|
||||
append_cmd(desc, pdb->p_q_len);
|
||||
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
|
||||
RSA_PRIV_KEY_FRM_2);
|
||||
}
|
||||
|
||||
/* Descriptor for RSA Private operation - Private Key Form #3 */
|
||||
void init_rsa_priv_f3_desc(u32 *desc, struct rsa_priv_f3_pdb *pdb)
|
||||
{
|
||||
init_job_desc_pdb(desc, 0, sizeof(*pdb));
|
||||
append_cmd(desc, pdb->sgf);
|
||||
append_ptr(desc, pdb->g_dma);
|
||||
append_ptr(desc, pdb->f_dma);
|
||||
append_ptr(desc, pdb->c_dma);
|
||||
append_ptr(desc, pdb->p_dma);
|
||||
append_ptr(desc, pdb->q_dma);
|
||||
append_ptr(desc, pdb->dp_dma);
|
||||
append_ptr(desc, pdb->dq_dma);
|
||||
append_ptr(desc, pdb->tmp1_dma);
|
||||
append_ptr(desc, pdb->tmp2_dma);
|
||||
append_cmd(desc, pdb->p_q_len);
|
||||
append_operation(desc, OP_TYPE_UNI_PROTOCOL | OP_PCLID_RSADEC_PRVKEY |
|
||||
RSA_PRIV_KEY_FRM_3);
|
||||
}
|
||||
|
@ -98,7 +98,6 @@ static inline void update_output_data(struct cpt_request_info *req_info,
|
||||
}
|
||||
|
||||
static inline u32 create_ctx_hdr(struct ablkcipher_request *req, u32 enc,
|
||||
u32 cipher_type, u32 aes_key_type,
|
||||
u32 *argcnt)
|
||||
{
|
||||
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
|
||||
@ -124,11 +123,11 @@ static inline u32 create_ctx_hdr(struct ablkcipher_request *req, u32 enc,
|
||||
req_info->req.param1 = req->nbytes; /* Encryption Data length */
|
||||
req_info->req.param2 = 0; /*Auth data length */
|
||||
|
||||
fctx->enc.enc_ctrl.e.enc_cipher = cipher_type;
|
||||
fctx->enc.enc_ctrl.e.aes_key = aes_key_type;
|
||||
fctx->enc.enc_ctrl.e.enc_cipher = ctx->cipher_type;
|
||||
fctx->enc.enc_ctrl.e.aes_key = ctx->key_type;
|
||||
fctx->enc.enc_ctrl.e.iv_source = FROM_DPTR;
|
||||
|
||||
if (cipher_type == AES_XTS)
|
||||
if (ctx->cipher_type == AES_XTS)
|
||||
memcpy(fctx->enc.encr_key, ctx->enc_key, ctx->key_len * 2);
|
||||
else
|
||||
memcpy(fctx->enc.encr_key, ctx->enc_key, ctx->key_len);
|
||||
@ -154,14 +153,13 @@ static inline u32 create_ctx_hdr(struct ablkcipher_request *req, u32 enc,
|
||||
}
|
||||
|
||||
static inline u32 create_input_list(struct ablkcipher_request *req, u32 enc,
|
||||
u32 cipher_type, u32 aes_key_type,
|
||||
u32 enc_iv_len)
|
||||
{
|
||||
struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
|
||||
struct cpt_request_info *req_info = &rctx->cpt_req;
|
||||
u32 argcnt = 0;
|
||||
|
||||
create_ctx_hdr(req, enc, cipher_type, aes_key_type, &argcnt);
|
||||
create_ctx_hdr(req, enc, &argcnt);
|
||||
update_input_iv(req_info, req->info, enc_iv_len, &argcnt);
|
||||
update_input_data(req_info, req->src, req->nbytes, &argcnt);
|
||||
req_info->incnt = argcnt;
|
||||
@ -177,7 +175,6 @@ static inline void store_cb_info(struct ablkcipher_request *req,
|
||||
}
|
||||
|
||||
static inline void create_output_list(struct ablkcipher_request *req,
|
||||
u32 cipher_type,
|
||||
u32 enc_iv_len)
|
||||
{
|
||||
struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
|
||||
@ -197,12 +194,9 @@ static inline void create_output_list(struct ablkcipher_request *req,
|
||||
req_info->outcnt = argcnt;
|
||||
}
|
||||
|
||||
static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc,
|
||||
u32 cipher_type)
|
||||
static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc)
|
||||
{
|
||||
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
|
||||
struct cvm_enc_ctx *ctx = crypto_ablkcipher_ctx(tfm);
|
||||
u32 key_type = AES_128_BIT;
|
||||
struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
|
||||
u32 enc_iv_len = crypto_ablkcipher_ivsize(tfm);
|
||||
struct fc_context *fctx = &rctx->fctx;
|
||||
@ -210,36 +204,10 @@ static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc,
|
||||
void *cdev = NULL;
|
||||
int status;
|
||||
|
||||
switch (ctx->key_len) {
|
||||
case 16:
|
||||
key_type = AES_128_BIT;
|
||||
break;
|
||||
case 24:
|
||||
key_type = AES_192_BIT;
|
||||
break;
|
||||
case 32:
|
||||
if (cipher_type == AES_XTS)
|
||||
key_type = AES_128_BIT;
|
||||
else
|
||||
key_type = AES_256_BIT;
|
||||
break;
|
||||
case 64:
|
||||
if (cipher_type == AES_XTS)
|
||||
key_type = AES_256_BIT;
|
||||
else
|
||||
return -EINVAL;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (cipher_type == DES3_CBC)
|
||||
key_type = 0;
|
||||
|
||||
memset(req_info, 0, sizeof(struct cpt_request_info));
|
||||
memset(fctx, 0, sizeof(struct fc_context));
|
||||
create_input_list(req, enc, cipher_type, key_type, enc_iv_len);
|
||||
create_output_list(req, cipher_type, enc_iv_len);
|
||||
create_input_list(req, enc, enc_iv_len);
|
||||
create_output_list(req, enc_iv_len);
|
||||
store_cb_info(req, req_info);
|
||||
cdev = dev_handle.cdev[smp_processor_id()];
|
||||
status = cptvf_do_request(cdev, req_info);
|
||||
@ -254,34 +222,14 @@ static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc,
|
||||
return -EINPROGRESS;
|
||||
}
|
||||
|
||||
int cvm_des3_encrypt_cbc(struct ablkcipher_request *req)
|
||||
int cvm_encrypt(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, true, DES3_CBC);
|
||||
return cvm_enc_dec(req, true);
|
||||
}
|
||||
|
||||
int cvm_des3_decrypt_cbc(struct ablkcipher_request *req)
|
||||
int cvm_decrypt(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, false, DES3_CBC);
|
||||
}
|
||||
|
||||
int cvm_aes_encrypt_xts(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, true, AES_XTS);
|
||||
}
|
||||
|
||||
int cvm_aes_decrypt_xts(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, false, AES_XTS);
|
||||
}
|
||||
|
||||
int cvm_aes_encrypt_cbc(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, true, AES_CBC);
|
||||
}
|
||||
|
||||
int cvm_aes_decrypt_cbc(struct ablkcipher_request *req)
|
||||
{
|
||||
return cvm_enc_dec(req, false, AES_CBC);
|
||||
return cvm_enc_dec(req, false);
|
||||
}
|
||||
|
||||
int cvm_xts_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
@ -299,24 +247,93 @@ int cvm_xts_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
ctx->key_len = keylen;
|
||||
memcpy(ctx->enc_key, key1, keylen / 2);
|
||||
memcpy(ctx->enc_key + KEY2_OFFSET, key2, keylen / 2);
|
||||
ctx->cipher_type = AES_XTS;
|
||||
switch (ctx->key_len) {
|
||||
case 32:
|
||||
ctx->key_type = AES_128_BIT;
|
||||
break;
|
||||
case 64:
|
||||
ctx->key_type = AES_256_BIT;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cvm_enc_dec_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
static int cvm_validate_keylen(struct cvm_enc_ctx *ctx, u32 keylen)
|
||||
{
|
||||
if ((keylen == 16) || (keylen == 24) || (keylen == 32)) {
|
||||
ctx->key_len = keylen;
|
||||
switch (ctx->key_len) {
|
||||
case 16:
|
||||
ctx->key_type = AES_128_BIT;
|
||||
break;
|
||||
case 24:
|
||||
ctx->key_type = AES_192_BIT;
|
||||
break;
|
||||
case 32:
|
||||
ctx->key_type = AES_256_BIT;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (ctx->cipher_type == DES3_CBC)
|
||||
ctx->key_type = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int cvm_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen, u8 cipher_type)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
|
||||
struct cvm_enc_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
|
||||
if ((keylen == 16) || (keylen == 24) || (keylen == 32)) {
|
||||
ctx->key_len = keylen;
|
||||
ctx->cipher_type = cipher_type;
|
||||
if (!cvm_validate_keylen(ctx, keylen)) {
|
||||
memcpy(ctx->enc_key, key, keylen);
|
||||
return 0;
|
||||
} else {
|
||||
crypto_ablkcipher_set_flags(cipher,
|
||||
CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
}
|
||||
|
||||
return -EINVAL;
|
||||
static int cvm_cbc_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
{
|
||||
return cvm_setkey(cipher, key, keylen, AES_CBC);
|
||||
}
|
||||
|
||||
static int cvm_ecb_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
{
|
||||
return cvm_setkey(cipher, key, keylen, AES_ECB);
|
||||
}
|
||||
|
||||
static int cvm_cfb_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
{
|
||||
return cvm_setkey(cipher, key, keylen, AES_CFB);
|
||||
}
|
||||
|
||||
static int cvm_cbc_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
{
|
||||
return cvm_setkey(cipher, key, keylen, DES3_CBC);
|
||||
}
|
||||
|
||||
static int cvm_ecb_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
|
||||
u32 keylen)
|
||||
{
|
||||
return cvm_setkey(cipher, key, keylen, DES3_ECB);
|
||||
}
|
||||
|
||||
int cvm_enc_dec_init(struct crypto_tfm *tfm)
|
||||
@ -349,8 +366,8 @@ struct crypto_alg algs[] = { {
|
||||
.min_keysize = 2 * AES_MIN_KEY_SIZE,
|
||||
.max_keysize = 2 * AES_MAX_KEY_SIZE,
|
||||
.setkey = cvm_xts_setkey,
|
||||
.encrypt = cvm_aes_encrypt_xts,
|
||||
.decrypt = cvm_aes_decrypt_xts,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
@ -369,9 +386,51 @@ struct crypto_alg algs[] = { {
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.setkey = cvm_enc_dec_setkey,
|
||||
.encrypt = cvm_aes_encrypt_cbc,
|
||||
.decrypt = cvm_aes_decrypt_cbc,
|
||||
.setkey = cvm_cbc_aes_setkey,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
.cra_module = THIS_MODULE,
|
||||
}, {
|
||||
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct cvm_enc_ctx),
|
||||
.cra_alignmask = 7,
|
||||
.cra_priority = 4001,
|
||||
.cra_name = "ecb(aes)",
|
||||
.cra_driver_name = "cavium-ecb-aes",
|
||||
.cra_type = &crypto_ablkcipher_type,
|
||||
.cra_u = {
|
||||
.ablkcipher = {
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.setkey = cvm_ecb_aes_setkey,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
.cra_module = THIS_MODULE,
|
||||
}, {
|
||||
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct cvm_enc_ctx),
|
||||
.cra_alignmask = 7,
|
||||
.cra_priority = 4001,
|
||||
.cra_name = "cfb(aes)",
|
||||
.cra_driver_name = "cavium-cfb-aes",
|
||||
.cra_type = &crypto_ablkcipher_type,
|
||||
.cra_u = {
|
||||
.ablkcipher = {
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.setkey = cvm_cfb_aes_setkey,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
@ -390,9 +449,30 @@ struct crypto_alg algs[] = { {
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setkey = cvm_enc_dec_setkey,
|
||||
.encrypt = cvm_des3_encrypt_cbc,
|
||||
.decrypt = cvm_des3_decrypt_cbc,
|
||||
.setkey = cvm_cbc_des3_setkey,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
.cra_module = THIS_MODULE,
|
||||
}, {
|
||||
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct cvm_des3_ctx),
|
||||
.cra_alignmask = 7,
|
||||
.cra_priority = 4001,
|
||||
.cra_name = "ecb(des3_ede)",
|
||||
.cra_driver_name = "cavium-ecb-des3_ede",
|
||||
.cra_type = &crypto_ablkcipher_type,
|
||||
.cra_u = {
|
||||
.ablkcipher = {
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = DES_BLOCK_SIZE,
|
||||
.setkey = cvm_ecb_des3_setkey,
|
||||
.encrypt = cvm_encrypt,
|
||||
.decrypt = cvm_decrypt,
|
||||
},
|
||||
},
|
||||
.cra_init = cvm_enc_dec_init,
|
||||
|
@ -77,6 +77,11 @@ union encr_ctrl {
|
||||
} e;
|
||||
};
|
||||
|
||||
struct cvm_cipher {
|
||||
const char *name;
|
||||
u8 value;
|
||||
};
|
||||
|
||||
struct enc_context {
|
||||
union encr_ctrl enc_ctrl;
|
||||
u8 encr_key[32];
|
||||
@ -96,6 +101,8 @@ struct fc_context {
|
||||
struct cvm_enc_ctx {
|
||||
u32 key_len;
|
||||
u8 enc_key[MAX_KEY_SIZE];
|
||||
u8 cipher_type:4;
|
||||
u8 key_type:2;
|
||||
};
|
||||
|
||||
struct cvm_des3_ctx {
|
||||
|
@ -525,7 +525,7 @@ static irqreturn_t cptvf_misc_intr_handler(int irq, void *cptvf_irq)
|
||||
intr = cptvf_read_vf_misc_intr_status(cptvf);
|
||||
/*Check for MISC interrupt types*/
|
||||
if (likely(intr & CPT_VF_INTR_MBOX_MASK)) {
|
||||
dev_err(&pdev->dev, "Mailbox interrupt 0x%llx on CPT VF %d\n",
|
||||
dev_dbg(&pdev->dev, "Mailbox interrupt 0x%llx on CPT VF %d\n",
|
||||
intr, cptvf->vfid);
|
||||
cptvf_handle_mbox_intr(cptvf);
|
||||
cptvf_clear_mbox_intr(cptvf);
|
||||
|
21
drivers/crypto/cavium/nitrox/Kconfig
Normal file
21
drivers/crypto/cavium/nitrox/Kconfig
Normal file
@ -0,0 +1,21 @@
|
||||
#
|
||||
# Cavium NITROX Crypto Device configuration
|
||||
#
|
||||
config CRYPTO_DEV_NITROX
|
||||
tristate
|
||||
select CRYPTO_BLKCIPHER
|
||||
select CRYPTO_AES
|
||||
select CRYPTO_DES
|
||||
select FW_LOADER
|
||||
|
||||
config CRYPTO_DEV_NITROX_CNN55XX
|
||||
tristate "Support for Cavium CNN55XX driver"
|
||||
depends on PCI_MSI && 64BIT
|
||||
select CRYPTO_DEV_NITROX
|
||||
default m
|
||||
help
|
||||
Support for Cavium NITROX family CNN55XX driver
|
||||
for accelerating crypto workloads.
|
||||
|
||||
To compile this as a module, choose M here: the module
|
||||
will be called n5pf.
|
8
drivers/crypto/cavium/nitrox/Makefile
Normal file
8
drivers/crypto/cavium/nitrox/Makefile
Normal file
@ -0,0 +1,8 @@
|
||||
obj-$(CONFIG_CRYPTO_DEV_NITROX_CNN55XX) += n5pf.o
|
||||
|
||||
n5pf-objs := nitrox_main.o \
|
||||
nitrox_isr.o \
|
||||
nitrox_lib.o \
|
||||
nitrox_hal.o \
|
||||
nitrox_reqmgr.o \
|
||||
nitrox_algs.o
|
457
drivers/crypto/cavium/nitrox/nitrox_algs.c
Normal file
457
drivers/crypto/cavium/nitrox/nitrox_algs.c
Normal file
@ -0,0 +1,457 @@
|
||||
#include <linux/crypto.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/printk.h>
|
||||
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/skcipher.h>
|
||||
#include <crypto/ctr.h>
|
||||
#include <crypto/des.h>
|
||||
#include <crypto/xts.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_common.h"
|
||||
#include "nitrox_req.h"
|
||||
|
||||
#define PRIO 4001
|
||||
|
||||
struct nitrox_cipher {
|
||||
const char *name;
|
||||
enum flexi_cipher value;
|
||||
};
|
||||
|
||||
/**
|
||||
* supported cipher list
|
||||
*/
|
||||
static const struct nitrox_cipher flexi_cipher_table[] = {
|
||||
{ "null", CIPHER_NULL },
|
||||
{ "cbc(des3_ede)", CIPHER_3DES_CBC },
|
||||
{ "ecb(des3_ede)", CIPHER_3DES_ECB },
|
||||
{ "cbc(aes)", CIPHER_AES_CBC },
|
||||
{ "ecb(aes)", CIPHER_AES_ECB },
|
||||
{ "cfb(aes)", CIPHER_AES_CFB },
|
||||
{ "rfc3686(ctr(aes))", CIPHER_AES_CTR },
|
||||
{ "xts(aes)", CIPHER_AES_XTS },
|
||||
{ "cts(cbc(aes))", CIPHER_AES_CBC_CTS },
|
||||
{ NULL, CIPHER_INVALID }
|
||||
};
|
||||
|
||||
static enum flexi_cipher flexi_cipher_type(const char *name)
|
||||
{
|
||||
const struct nitrox_cipher *cipher = flexi_cipher_table;
|
||||
|
||||
while (cipher->name) {
|
||||
if (!strcmp(cipher->name, name))
|
||||
break;
|
||||
cipher++;
|
||||
}
|
||||
return cipher->value;
|
||||
}
|
||||
|
||||
static int flexi_aes_keylen(int keylen)
|
||||
{
|
||||
int aes_keylen;
|
||||
|
||||
switch (keylen) {
|
||||
case AES_KEYSIZE_128:
|
||||
aes_keylen = 1;
|
||||
break;
|
||||
case AES_KEYSIZE_192:
|
||||
aes_keylen = 2;
|
||||
break;
|
||||
case AES_KEYSIZE_256:
|
||||
aes_keylen = 3;
|
||||
break;
|
||||
default:
|
||||
aes_keylen = -EINVAL;
|
||||
break;
|
||||
}
|
||||
return aes_keylen;
|
||||
}
|
||||
|
||||
static int nitrox_skcipher_init(struct crypto_skcipher *tfm)
|
||||
{
|
||||
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
|
||||
void *fctx;
|
||||
|
||||
/* get the first device */
|
||||
nctx->ndev = nitrox_get_first_device();
|
||||
if (!nctx->ndev)
|
||||
return -ENODEV;
|
||||
|
||||
/* allocate nitrox crypto context */
|
||||
fctx = crypto_alloc_context(nctx->ndev);
|
||||
if (!fctx) {
|
||||
nitrox_put_device(nctx->ndev);
|
||||
return -ENOMEM;
|
||||
}
|
||||
nctx->u.ctx_handle = (uintptr_t)fctx;
|
||||
crypto_skcipher_set_reqsize(tfm, crypto_skcipher_reqsize(tfm) +
|
||||
sizeof(struct nitrox_kcrypt_request));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void nitrox_skcipher_exit(struct crypto_skcipher *tfm)
|
||||
{
|
||||
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
|
||||
|
||||
/* free the nitrox crypto context */
|
||||
if (nctx->u.ctx_handle) {
|
||||
struct flexi_crypto_context *fctx = nctx->u.fctx;
|
||||
|
||||
memset(&fctx->crypto, 0, sizeof(struct crypto_keys));
|
||||
memset(&fctx->auth, 0, sizeof(struct auth_keys));
|
||||
crypto_free_context((void *)fctx);
|
||||
}
|
||||
nitrox_put_device(nctx->ndev);
|
||||
|
||||
nctx->u.ctx_handle = 0;
|
||||
nctx->ndev = NULL;
|
||||
}
|
||||
|
||||
static inline int nitrox_skcipher_setkey(struct crypto_skcipher *cipher,
|
||||
int aes_keylen, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
|
||||
struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
|
||||
struct flexi_crypto_context *fctx;
|
||||
enum flexi_cipher cipher_type;
|
||||
const char *name;
|
||||
|
||||
name = crypto_tfm_alg_name(tfm);
|
||||
cipher_type = flexi_cipher_type(name);
|
||||
if (unlikely(cipher_type == CIPHER_INVALID)) {
|
||||
pr_err("unsupported cipher: %s\n", name);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* fill crypto context */
|
||||
fctx = nctx->u.fctx;
|
||||
fctx->flags = 0;
|
||||
fctx->w0.cipher_type = cipher_type;
|
||||
fctx->w0.aes_keylen = aes_keylen;
|
||||
fctx->w0.iv_source = IV_FROM_DPTR;
|
||||
fctx->flags = cpu_to_be64(*(u64 *)&fctx->w0);
|
||||
/* copy the key to context */
|
||||
memcpy(fctx->crypto.u.key, key, keylen);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nitrox_aes_setkey(struct crypto_skcipher *cipher, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
int aes_keylen;
|
||||
|
||||
aes_keylen = flexi_aes_keylen(keylen);
|
||||
if (aes_keylen < 0) {
|
||||
crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||||
}
|
||||
|
||||
static void nitrox_skcipher_callback(struct skcipher_request *skreq,
|
||||
int err)
|
||||
{
|
||||
if (err) {
|
||||
pr_err_ratelimited("request failed status 0x%0x\n", err);
|
||||
err = -EINVAL;
|
||||
}
|
||||
skcipher_request_complete(skreq, err);
|
||||
}
|
||||
|
||||
static int nitrox_skcipher_crypt(struct skcipher_request *skreq, bool enc)
|
||||
{
|
||||
struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq);
|
||||
struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher);
|
||||
struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
|
||||
int ivsize = crypto_skcipher_ivsize(cipher);
|
||||
struct se_crypto_request *creq;
|
||||
|
||||
creq = &nkreq->creq;
|
||||
creq->flags = skreq->base.flags;
|
||||
creq->gfp = (skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
|
||||
/* fill the request */
|
||||
creq->ctrl.value = 0;
|
||||
creq->opcode = FLEXI_CRYPTO_ENCRYPT_HMAC;
|
||||
creq->ctrl.s.arg = (enc ? ENCRYPT : DECRYPT);
|
||||
/* param0: length of the data to be encrypted */
|
||||
creq->gph.param0 = cpu_to_be16(skreq->cryptlen);
|
||||
creq->gph.param1 = 0;
|
||||
/* param2: encryption data offset */
|
||||
creq->gph.param2 = cpu_to_be16(ivsize);
|
||||
creq->gph.param3 = 0;
|
||||
|
||||
creq->ctx_handle = nctx->u.ctx_handle;
|
||||
creq->ctrl.s.ctxl = sizeof(struct flexi_crypto_context);
|
||||
|
||||
/* copy the iv */
|
||||
memcpy(creq->iv, skreq->iv, ivsize);
|
||||
creq->ivsize = ivsize;
|
||||
creq->src = skreq->src;
|
||||
creq->dst = skreq->dst;
|
||||
|
||||
nkreq->nctx = nctx;
|
||||
nkreq->skreq = skreq;
|
||||
|
||||
/* send the crypto request */
|
||||
return nitrox_process_se_request(nctx->ndev, creq,
|
||||
nitrox_skcipher_callback, skreq);
|
||||
}
|
||||
|
||||
static int nitrox_aes_encrypt(struct skcipher_request *skreq)
|
||||
{
|
||||
return nitrox_skcipher_crypt(skreq, true);
|
||||
}
|
||||
|
||||
static int nitrox_aes_decrypt(struct skcipher_request *skreq)
|
||||
{
|
||||
return nitrox_skcipher_crypt(skreq, false);
|
||||
}
|
||||
|
||||
static int nitrox_3des_setkey(struct crypto_skcipher *cipher,
|
||||
const u8 *key, unsigned int keylen)
|
||||
{
|
||||
if (keylen != DES3_EDE_KEY_SIZE) {
|
||||
crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return nitrox_skcipher_setkey(cipher, 0, key, keylen);
|
||||
}
|
||||
|
||||
static int nitrox_3des_encrypt(struct skcipher_request *skreq)
|
||||
{
|
||||
return nitrox_skcipher_crypt(skreq, true);
|
||||
}
|
||||
|
||||
static int nitrox_3des_decrypt(struct skcipher_request *skreq)
|
||||
{
|
||||
return nitrox_skcipher_crypt(skreq, false);
|
||||
}
|
||||
|
||||
static int nitrox_aes_xts_setkey(struct crypto_skcipher *cipher,
|
||||
const u8 *key, unsigned int keylen)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
|
||||
struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
|
||||
struct flexi_crypto_context *fctx;
|
||||
int aes_keylen, ret;
|
||||
|
||||
ret = xts_check_key(tfm, key, keylen);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
keylen /= 2;
|
||||
|
||||
aes_keylen = flexi_aes_keylen(keylen);
|
||||
if (aes_keylen < 0) {
|
||||
crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
fctx = nctx->u.fctx;
|
||||
/* copy KEY2 */
|
||||
memcpy(fctx->auth.u.key2, (key + keylen), keylen);
|
||||
|
||||
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||||
}
|
||||
|
||||
static int nitrox_aes_ctr_rfc3686_setkey(struct crypto_skcipher *cipher,
|
||||
const u8 *key, unsigned int keylen)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
|
||||
struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
|
||||
struct flexi_crypto_context *fctx;
|
||||
int aes_keylen;
|
||||
|
||||
if (keylen < CTR_RFC3686_NONCE_SIZE)
|
||||
return -EINVAL;
|
||||
|
||||
fctx = nctx->u.fctx;
|
||||
|
||||
memcpy(fctx->crypto.iv, key + (keylen - CTR_RFC3686_NONCE_SIZE),
|
||||
CTR_RFC3686_NONCE_SIZE);
|
||||
|
||||
keylen -= CTR_RFC3686_NONCE_SIZE;
|
||||
|
||||
aes_keylen = flexi_aes_keylen(keylen);
|
||||
if (aes_keylen < 0) {
|
||||
crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
|
||||
}
|
||||
|
||||
static struct skcipher_alg nitrox_skciphers[] = { {
|
||||
.base = {
|
||||
.cra_name = "cbc(aes)",
|
||||
.cra_driver_name = "n5_cbc(aes)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setkey = nitrox_aes_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "ecb(aes)",
|
||||
.cra_driver_name = "n5_ecb(aes)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setkey = nitrox_aes_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "cfb(aes)",
|
||||
.cra_driver_name = "n5_cfb(aes)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setkey = nitrox_aes_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "xts(aes)",
|
||||
.cra_driver_name = "n5_xts(aes)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = 2 * AES_MIN_KEY_SIZE,
|
||||
.max_keysize = 2 * AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setkey = nitrox_aes_xts_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "rfc3686(ctr(aes))",
|
||||
.cra_driver_name = "n5_rfc3686(ctr(aes))",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
|
||||
.ivsize = CTR_RFC3686_IV_SIZE,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
.setkey = nitrox_aes_ctr_rfc3686_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "cts(cbc(aes))",
|
||||
.cra_driver_name = "n5_cts(cbc(aes))",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_type = &crypto_ablkcipher_type,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.setkey = nitrox_aes_setkey,
|
||||
.encrypt = nitrox_aes_encrypt,
|
||||
.decrypt = nitrox_aes_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "cbc(des3_ede)",
|
||||
.cra_driver_name = "n5_cbc(des3_ede)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setkey = nitrox_3des_setkey,
|
||||
.encrypt = nitrox_3des_encrypt,
|
||||
.decrypt = nitrox_3des_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}, {
|
||||
.base = {
|
||||
.cra_name = "ecb(des3_ede)",
|
||||
.cra_driver_name = "n5_ecb(des3_ede)",
|
||||
.cra_priority = PRIO,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC,
|
||||
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.min_keysize = DES3_EDE_KEY_SIZE,
|
||||
.max_keysize = DES3_EDE_KEY_SIZE,
|
||||
.ivsize = DES3_EDE_BLOCK_SIZE,
|
||||
.setkey = nitrox_3des_setkey,
|
||||
.encrypt = nitrox_3des_encrypt,
|
||||
.decrypt = nitrox_3des_decrypt,
|
||||
.init = nitrox_skcipher_init,
|
||||
.exit = nitrox_skcipher_exit,
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
int nitrox_crypto_register(void)
|
||||
{
|
||||
return crypto_register_skciphers(nitrox_skciphers,
|
||||
ARRAY_SIZE(nitrox_skciphers));
|
||||
}
|
||||
|
||||
void nitrox_crypto_unregister(void)
|
||||
{
|
||||
crypto_unregister_skciphers(nitrox_skciphers,
|
||||
ARRAY_SIZE(nitrox_skciphers));
|
||||
}
|
42
drivers/crypto/cavium/nitrox/nitrox_common.h
Normal file
42
drivers/crypto/cavium/nitrox/nitrox_common.h
Normal file
@ -0,0 +1,42 @@
|
||||
#ifndef __NITROX_COMMON_H
|
||||
#define __NITROX_COMMON_H
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_req.h"
|
||||
|
||||
int nitrox_crypto_register(void);
|
||||
void nitrox_crypto_unregister(void);
|
||||
void *crypto_alloc_context(struct nitrox_device *ndev);
|
||||
void crypto_free_context(void *ctx);
|
||||
struct nitrox_device *nitrox_get_first_device(void);
|
||||
void nitrox_put_device(struct nitrox_device *ndev);
|
||||
|
||||
void nitrox_pf_cleanup_isr(struct nitrox_device *ndev);
|
||||
int nitrox_pf_init_isr(struct nitrox_device *ndev);
|
||||
|
||||
int nitrox_common_sw_init(struct nitrox_device *ndev);
|
||||
void nitrox_common_sw_cleanup(struct nitrox_device *ndev);
|
||||
|
||||
void pkt_slc_resp_handler(unsigned long data);
|
||||
int nitrox_process_se_request(struct nitrox_device *ndev,
|
||||
struct se_crypto_request *req,
|
||||
completion_t cb,
|
||||
struct skcipher_request *skreq);
|
||||
void backlog_qflush_work(struct work_struct *work);
|
||||
|
||||
void nitrox_config_emu_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_pkt_input_rings(struct nitrox_device *ndev);
|
||||
void nitrox_config_pkt_solicit_ports(struct nitrox_device *ndev);
|
||||
void nitrox_config_vfmode(struct nitrox_device *ndev, int mode);
|
||||
void nitrox_config_nps_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_pom_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_rand_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_efl_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_bmi_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_bmo_unit(struct nitrox_device *ndev);
|
||||
void nitrox_config_lbc_unit(struct nitrox_device *ndev);
|
||||
void invalidate_lbc(struct nitrox_device *ndev);
|
||||
void enable_pkt_input_ring(struct nitrox_device *ndev, int ring);
|
||||
void enable_pkt_solicit_port(struct nitrox_device *ndev, int port);
|
||||
|
||||
#endif /* __NITROX_COMMON_H */
|
1084
drivers/crypto/cavium/nitrox/nitrox_csr.h
Normal file
1084
drivers/crypto/cavium/nitrox/nitrox_csr.h
Normal file
File diff suppressed because it is too large
Load Diff
179
drivers/crypto/cavium/nitrox/nitrox_dev.h
Normal file
179
drivers/crypto/cavium/nitrox/nitrox_dev.h
Normal file
@ -0,0 +1,179 @@
|
||||
#ifndef __NITROX_DEV_H
|
||||
#define __NITROX_DEV_H
|
||||
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#define VERSION_LEN 32
|
||||
|
||||
struct nitrox_cmdq {
|
||||
/* command queue lock */
|
||||
spinlock_t cmdq_lock;
|
||||
/* response list lock */
|
||||
spinlock_t response_lock;
|
||||
/* backlog list lock */
|
||||
spinlock_t backlog_lock;
|
||||
|
||||
/* request submitted to chip, in progress */
|
||||
struct list_head response_head;
|
||||
/* hw queue full, hold in backlog list */
|
||||
struct list_head backlog_head;
|
||||
|
||||
/* doorbell address */
|
||||
u8 __iomem *dbell_csr_addr;
|
||||
/* base address of the queue */
|
||||
u8 *head;
|
||||
|
||||
struct nitrox_device *ndev;
|
||||
/* flush pending backlog commands */
|
||||
struct work_struct backlog_qflush;
|
||||
|
||||
/* requests posted waiting for completion */
|
||||
atomic_t pending_count;
|
||||
/* requests in backlog queues */
|
||||
atomic_t backlog_count;
|
||||
|
||||
/* command size 32B/64B */
|
||||
u8 instr_size;
|
||||
u8 qno;
|
||||
u32 qsize;
|
||||
|
||||
/* unaligned addresses */
|
||||
u8 *head_unaligned;
|
||||
dma_addr_t dma_unaligned;
|
||||
/* dma address of the base */
|
||||
dma_addr_t dma;
|
||||
};
|
||||
|
||||
struct nitrox_hw {
|
||||
/* firmware version */
|
||||
char fw_name[VERSION_LEN];
|
||||
|
||||
u16 vendor_id;
|
||||
u16 device_id;
|
||||
u8 revision_id;
|
||||
|
||||
/* CNN55XX cores */
|
||||
u8 se_cores;
|
||||
u8 ae_cores;
|
||||
u8 zip_cores;
|
||||
};
|
||||
|
||||
#define MAX_MSIX_VECTOR_NAME 20
|
||||
/**
|
||||
* vectors for queues (64 AE, 64 SE and 64 ZIP) and
|
||||
* error condition/mailbox.
|
||||
*/
|
||||
#define MAX_MSIX_VECTORS 192
|
||||
|
||||
struct nitrox_msix {
|
||||
struct msix_entry *entries;
|
||||
char **names;
|
||||
DECLARE_BITMAP(irqs, MAX_MSIX_VECTORS);
|
||||
u32 nr_entries;
|
||||
};
|
||||
|
||||
struct bh_data {
|
||||
/* slc port completion count address */
|
||||
u8 __iomem *completion_cnt_csr_addr;
|
||||
|
||||
struct nitrox_cmdq *cmdq;
|
||||
struct tasklet_struct resp_handler;
|
||||
};
|
||||
|
||||
struct nitrox_bh {
|
||||
struct bh_data *slc;
|
||||
};
|
||||
|
||||
/* NITROX-5 driver state */
|
||||
#define NITROX_UCODE_LOADED 0
|
||||
#define NITROX_READY 1
|
||||
|
||||
/* command queue size */
|
||||
#define DEFAULT_CMD_QLEN 2048
|
||||
/* command timeout in milliseconds */
|
||||
#define CMD_TIMEOUT 2000
|
||||
|
||||
#define DEV(ndev) ((struct device *)(&(ndev)->pdev->dev))
|
||||
#define PF_MODE 0
|
||||
|
||||
#define NITROX_CSR_ADDR(ndev, offset) \
|
||||
((ndev)->bar_addr + (offset))
|
||||
|
||||
/**
|
||||
* struct nitrox_device - NITROX Device Information.
|
||||
* @list: pointer to linked list of devices
|
||||
* @bar_addr: iomap address
|
||||
* @pdev: PCI device information
|
||||
* @status: NITROX status
|
||||
* @timeout: Request timeout in jiffies
|
||||
* @refcnt: Device usage count
|
||||
* @idx: device index (0..N)
|
||||
* @node: NUMA node id attached
|
||||
* @qlen: Command queue length
|
||||
* @nr_queues: Number of command queues
|
||||
* @ctx_pool: DMA pool for crypto context
|
||||
* @pkt_cmdqs: SE Command queues
|
||||
* @msix: MSI-X information
|
||||
* @bh: post processing work
|
||||
* @hw: hardware information
|
||||
* @debugfs_dir: debugfs directory
|
||||
*/
|
||||
struct nitrox_device {
|
||||
struct list_head list;
|
||||
|
||||
u8 __iomem *bar_addr;
|
||||
struct pci_dev *pdev;
|
||||
|
||||
unsigned long status;
|
||||
unsigned long timeout;
|
||||
refcount_t refcnt;
|
||||
|
||||
u8 idx;
|
||||
int node;
|
||||
u16 qlen;
|
||||
u16 nr_queues;
|
||||
|
||||
struct dma_pool *ctx_pool;
|
||||
struct nitrox_cmdq *pkt_cmdqs;
|
||||
|
||||
struct nitrox_msix msix;
|
||||
struct nitrox_bh bh;
|
||||
|
||||
struct nitrox_hw hw;
|
||||
#if IS_ENABLED(CONFIG_DEBUG_FS)
|
||||
struct dentry *debugfs_dir;
|
||||
#endif
|
||||
};
|
||||
|
||||
/**
|
||||
* nitrox_read_csr - Read from device register
|
||||
* @ndev: NITROX device
|
||||
* @offset: offset of the register to read
|
||||
*
|
||||
* Returns: value read
|
||||
*/
|
||||
static inline u64 nitrox_read_csr(struct nitrox_device *ndev, u64 offset)
|
||||
{
|
||||
return readq(ndev->bar_addr + offset);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_write_csr - Write to device register
|
||||
* @ndev: NITROX device
|
||||
* @offset: offset of the register to write
|
||||
* @value: value to write
|
||||
*/
|
||||
static inline void nitrox_write_csr(struct nitrox_device *ndev, u64 offset,
|
||||
u64 value)
|
||||
{
|
||||
writeq(value, (ndev->bar_addr + offset));
|
||||
}
|
||||
|
||||
static inline int nitrox_ready(struct nitrox_device *ndev)
|
||||
{
|
||||
return test_bit(NITROX_READY, &ndev->status);
|
||||
}
|
||||
|
||||
#endif /* __NITROX_DEV_H */
|
401
drivers/crypto/cavium/nitrox/nitrox_hal.c
Normal file
401
drivers/crypto/cavium/nitrox/nitrox_hal.c
Normal file
@ -0,0 +1,401 @@
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_csr.h"
|
||||
|
||||
/**
|
||||
* emu_enable_cores - Enable EMU cluster cores.
|
||||
* @ndev: N5 device
|
||||
*/
|
||||
static void emu_enable_cores(struct nitrox_device *ndev)
|
||||
{
|
||||
union emu_se_enable emu_se;
|
||||
union emu_ae_enable emu_ae;
|
||||
int i;
|
||||
|
||||
/* AE cores 20 per cluster */
|
||||
emu_ae.value = 0;
|
||||
emu_ae.s.enable = 0xfffff;
|
||||
|
||||
/* SE cores 16 per cluster */
|
||||
emu_se.value = 0;
|
||||
emu_se.s.enable = 0xffff;
|
||||
|
||||
/* enable per cluster cores */
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
nitrox_write_csr(ndev, EMU_AE_ENABLEX(i), emu_ae.value);
|
||||
nitrox_write_csr(ndev, EMU_SE_ENABLEX(i), emu_se.value);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_config_emu_unit - configure EMU unit.
|
||||
* @ndev: N5 device
|
||||
*/
|
||||
void nitrox_config_emu_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union emu_wd_int_ena_w1s emu_wd_int;
|
||||
union emu_ge_int_ena_w1s emu_ge_int;
|
||||
u64 offset;
|
||||
int i;
|
||||
|
||||
/* enable cores */
|
||||
emu_enable_cores(ndev);
|
||||
|
||||
/* enable general error and watch dog interrupts */
|
||||
emu_ge_int.value = 0;
|
||||
emu_ge_int.s.se_ge = 0xffff;
|
||||
emu_ge_int.s.ae_ge = 0xfffff;
|
||||
emu_wd_int.value = 0;
|
||||
emu_wd_int.s.se_wd = 1;
|
||||
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
offset = EMU_WD_INT_ENA_W1SX(i);
|
||||
nitrox_write_csr(ndev, offset, emu_wd_int.value);
|
||||
offset = EMU_GE_INT_ENA_W1SX(i);
|
||||
nitrox_write_csr(ndev, offset, emu_ge_int.value);
|
||||
}
|
||||
}
|
||||
|
||||
static void reset_pkt_input_ring(struct nitrox_device *ndev, int ring)
|
||||
{
|
||||
union nps_pkt_in_instr_ctl pkt_in_ctl;
|
||||
union nps_pkt_in_instr_baoff_dbell pkt_in_dbell;
|
||||
union nps_pkt_in_done_cnts pkt_in_cnts;
|
||||
u64 offset;
|
||||
|
||||
offset = NPS_PKT_IN_INSTR_CTLX(ring);
|
||||
/* disable the ring */
|
||||
pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
pkt_in_ctl.s.enb = 0;
|
||||
nitrox_write_csr(ndev, offset, pkt_in_ctl.value);
|
||||
usleep_range(100, 150);
|
||||
|
||||
/* wait to clear [ENB] */
|
||||
do {
|
||||
pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
} while (pkt_in_ctl.s.enb);
|
||||
|
||||
/* clear off door bell counts */
|
||||
offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(ring);
|
||||
pkt_in_dbell.value = 0;
|
||||
pkt_in_dbell.s.dbell = 0xffffffff;
|
||||
nitrox_write_csr(ndev, offset, pkt_in_dbell.value);
|
||||
|
||||
/* clear done counts */
|
||||
offset = NPS_PKT_IN_DONE_CNTSX(ring);
|
||||
pkt_in_cnts.value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, pkt_in_cnts.value);
|
||||
usleep_range(50, 100);
|
||||
}
|
||||
|
||||
void enable_pkt_input_ring(struct nitrox_device *ndev, int ring)
|
||||
{
|
||||
union nps_pkt_in_instr_ctl pkt_in_ctl;
|
||||
u64 offset;
|
||||
|
||||
/* 64-byte instruction size */
|
||||
offset = NPS_PKT_IN_INSTR_CTLX(ring);
|
||||
pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
pkt_in_ctl.s.is64b = 1;
|
||||
pkt_in_ctl.s.enb = 1;
|
||||
nitrox_write_csr(ndev, offset, pkt_in_ctl.value);
|
||||
|
||||
/* wait for set [ENB] */
|
||||
do {
|
||||
pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
} while (!pkt_in_ctl.s.enb);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_config_pkt_input_rings - configure Packet Input Rings
|
||||
* @ndev: N5 device
|
||||
*/
|
||||
void nitrox_config_pkt_input_rings(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++) {
|
||||
struct nitrox_cmdq *cmdq = &ndev->pkt_cmdqs[i];
|
||||
union nps_pkt_in_instr_rsize pkt_in_rsize;
|
||||
u64 offset;
|
||||
|
||||
reset_pkt_input_ring(ndev, i);
|
||||
|
||||
/* configure ring base address 16-byte aligned,
|
||||
* size and interrupt threshold.
|
||||
*/
|
||||
offset = NPS_PKT_IN_INSTR_BADDRX(i);
|
||||
nitrox_write_csr(ndev, NPS_PKT_IN_INSTR_BADDRX(i), cmdq->dma);
|
||||
|
||||
/* configure ring size */
|
||||
offset = NPS_PKT_IN_INSTR_RSIZEX(i);
|
||||
pkt_in_rsize.value = 0;
|
||||
pkt_in_rsize.s.rsize = ndev->qlen;
|
||||
nitrox_write_csr(ndev, offset, pkt_in_rsize.value);
|
||||
|
||||
/* set high threshold for pkt input ring interrupts */
|
||||
offset = NPS_PKT_IN_INT_LEVELSX(i);
|
||||
nitrox_write_csr(ndev, offset, 0xffffffff);
|
||||
|
||||
enable_pkt_input_ring(ndev, i);
|
||||
}
|
||||
}
|
||||
|
||||
static void reset_pkt_solicit_port(struct nitrox_device *ndev, int port)
|
||||
{
|
||||
union nps_pkt_slc_ctl pkt_slc_ctl;
|
||||
union nps_pkt_slc_cnts pkt_slc_cnts;
|
||||
u64 offset;
|
||||
|
||||
/* disable slc port */
|
||||
offset = NPS_PKT_SLC_CTLX(port);
|
||||
pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
pkt_slc_ctl.s.enb = 0;
|
||||
nitrox_write_csr(ndev, offset, pkt_slc_ctl.value);
|
||||
usleep_range(100, 150);
|
||||
|
||||
/* wait to clear [ENB] */
|
||||
do {
|
||||
pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
} while (pkt_slc_ctl.s.enb);
|
||||
|
||||
/* clear slc counters */
|
||||
offset = NPS_PKT_SLC_CNTSX(port);
|
||||
pkt_slc_cnts.value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, pkt_slc_cnts.value);
|
||||
usleep_range(50, 100);
|
||||
}
|
||||
|
||||
void enable_pkt_solicit_port(struct nitrox_device *ndev, int port)
|
||||
{
|
||||
union nps_pkt_slc_ctl pkt_slc_ctl;
|
||||
u64 offset;
|
||||
|
||||
offset = NPS_PKT_SLC_CTLX(port);
|
||||
pkt_slc_ctl.value = 0;
|
||||
pkt_slc_ctl.s.enb = 1;
|
||||
|
||||
/*
|
||||
* 8 trailing 0x00 bytes will be added
|
||||
* to the end of the outgoing packet.
|
||||
*/
|
||||
pkt_slc_ctl.s.z = 1;
|
||||
/* enable response header */
|
||||
pkt_slc_ctl.s.rh = 1;
|
||||
nitrox_write_csr(ndev, offset, pkt_slc_ctl.value);
|
||||
|
||||
/* wait to set [ENB] */
|
||||
do {
|
||||
pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
} while (!pkt_slc_ctl.s.enb);
|
||||
}
|
||||
|
||||
static void config_single_pkt_solicit_port(struct nitrox_device *ndev,
|
||||
int port)
|
||||
{
|
||||
union nps_pkt_slc_int_levels pkt_slc_int;
|
||||
u64 offset;
|
||||
|
||||
reset_pkt_solicit_port(ndev, port);
|
||||
|
||||
offset = NPS_PKT_SLC_INT_LEVELSX(port);
|
||||
pkt_slc_int.value = 0;
|
||||
/* time interrupt threshold */
|
||||
pkt_slc_int.s.timet = 0x3fffff;
|
||||
nitrox_write_csr(ndev, offset, pkt_slc_int.value);
|
||||
|
||||
enable_pkt_solicit_port(ndev, port);
|
||||
}
|
||||
|
||||
void nitrox_config_pkt_solicit_ports(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++)
|
||||
config_single_pkt_solicit_port(ndev, i);
|
||||
}
|
||||
|
||||
/**
|
||||
* enable_nps_interrupts - enable NPS interrutps
|
||||
* @ndev: N5 device.
|
||||
*
|
||||
* This includes NPS core, packet in and slc interrupts.
|
||||
*/
|
||||
static void enable_nps_interrupts(struct nitrox_device *ndev)
|
||||
{
|
||||
union nps_core_int_ena_w1s core_int;
|
||||
|
||||
/* NPS core interrutps */
|
||||
core_int.value = 0;
|
||||
core_int.s.host_wr_err = 1;
|
||||
core_int.s.host_wr_timeout = 1;
|
||||
core_int.s.exec_wr_timeout = 1;
|
||||
core_int.s.npco_dma_malform = 1;
|
||||
core_int.s.host_nps_wr_err = 1;
|
||||
nitrox_write_csr(ndev, NPS_CORE_INT_ENA_W1S, core_int.value);
|
||||
|
||||
/* NPS packet in ring interrupts */
|
||||
nitrox_write_csr(ndev, NPS_PKT_IN_RERR_LO_ENA_W1S, (~0ULL));
|
||||
nitrox_write_csr(ndev, NPS_PKT_IN_RERR_HI_ENA_W1S, (~0ULL));
|
||||
nitrox_write_csr(ndev, NPS_PKT_IN_ERR_TYPE_ENA_W1S, (~0ULL));
|
||||
/* NPS packet slc port interrupts */
|
||||
nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_HI_ENA_W1S, (~0ULL));
|
||||
nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_LO_ENA_W1S, (~0ULL));
|
||||
nitrox_write_csr(ndev, NPS_PKT_SLC_ERR_TYPE_ENA_W1S, (~0uLL));
|
||||
}
|
||||
|
||||
void nitrox_config_nps_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union nps_core_gbl_vfcfg core_gbl_vfcfg;
|
||||
|
||||
/* endian control information */
|
||||
nitrox_write_csr(ndev, NPS_CORE_CONTROL, 1ULL);
|
||||
|
||||
/* disable ILK interface */
|
||||
core_gbl_vfcfg.value = 0;
|
||||
core_gbl_vfcfg.s.ilk_disable = 1;
|
||||
core_gbl_vfcfg.s.cfg = PF_MODE;
|
||||
nitrox_write_csr(ndev, NPS_CORE_GBL_VFCFG, core_gbl_vfcfg.value);
|
||||
/* config input and solicit ports */
|
||||
nitrox_config_pkt_input_rings(ndev);
|
||||
nitrox_config_pkt_solicit_ports(ndev);
|
||||
|
||||
/* enable interrupts */
|
||||
enable_nps_interrupts(ndev);
|
||||
}
|
||||
|
||||
void nitrox_config_pom_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union pom_int_ena_w1s pom_int;
|
||||
int i;
|
||||
|
||||
/* enable pom interrupts */
|
||||
pom_int.value = 0;
|
||||
pom_int.s.illegal_dport = 1;
|
||||
nitrox_write_csr(ndev, POM_INT_ENA_W1S, pom_int.value);
|
||||
|
||||
/* enable perf counters */
|
||||
for (i = 0; i < ndev->hw.se_cores; i++)
|
||||
nitrox_write_csr(ndev, POM_PERF_CTL, BIT_ULL(i));
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_config_rand_unit - enable N5 random number unit
|
||||
* @ndev: N5 device
|
||||
*/
|
||||
void nitrox_config_rand_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union efl_rnm_ctl_status efl_rnm_ctl;
|
||||
u64 offset;
|
||||
|
||||
offset = EFL_RNM_CTL_STATUS;
|
||||
efl_rnm_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
efl_rnm_ctl.s.ent_en = 1;
|
||||
efl_rnm_ctl.s.rng_en = 1;
|
||||
nitrox_write_csr(ndev, offset, efl_rnm_ctl.value);
|
||||
}
|
||||
|
||||
void nitrox_config_efl_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
union efl_core_int_ena_w1s efl_core_int;
|
||||
u64 offset;
|
||||
|
||||
/* EFL core interrupts */
|
||||
offset = EFL_CORE_INT_ENA_W1SX(i);
|
||||
efl_core_int.value = 0;
|
||||
efl_core_int.s.len_ovr = 1;
|
||||
efl_core_int.s.d_left = 1;
|
||||
efl_core_int.s.epci_decode_err = 1;
|
||||
nitrox_write_csr(ndev, offset, efl_core_int.value);
|
||||
|
||||
offset = EFL_CORE_VF_ERR_INT0_ENA_W1SX(i);
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
offset = EFL_CORE_VF_ERR_INT1_ENA_W1SX(i);
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
}
|
||||
}
|
||||
|
||||
void nitrox_config_bmi_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union bmi_ctl bmi_ctl;
|
||||
union bmi_int_ena_w1s bmi_int_ena;
|
||||
u64 offset;
|
||||
|
||||
/* no threshold limits for PCIe */
|
||||
offset = BMI_CTL;
|
||||
bmi_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
bmi_ctl.s.max_pkt_len = 0xff;
|
||||
bmi_ctl.s.nps_free_thrsh = 0xff;
|
||||
bmi_ctl.s.nps_hdrq_thrsh = 0x7a;
|
||||
nitrox_write_csr(ndev, offset, bmi_ctl.value);
|
||||
|
||||
/* enable interrupts */
|
||||
offset = BMI_INT_ENA_W1S;
|
||||
bmi_int_ena.value = 0;
|
||||
bmi_int_ena.s.max_len_err_nps = 1;
|
||||
bmi_int_ena.s.pkt_rcv_err_nps = 1;
|
||||
bmi_int_ena.s.fpf_undrrn = 1;
|
||||
nitrox_write_csr(ndev, offset, bmi_int_ena.value);
|
||||
}
|
||||
|
||||
void nitrox_config_bmo_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union bmo_ctl2 bmo_ctl2;
|
||||
u64 offset;
|
||||
|
||||
/* no threshold limits for PCIe */
|
||||
offset = BMO_CTL2;
|
||||
bmo_ctl2.value = nitrox_read_csr(ndev, offset);
|
||||
bmo_ctl2.s.nps_slc_buf_thrsh = 0xff;
|
||||
nitrox_write_csr(ndev, offset, bmo_ctl2.value);
|
||||
}
|
||||
|
||||
void invalidate_lbc(struct nitrox_device *ndev)
|
||||
{
|
||||
union lbc_inval_ctl lbc_ctl;
|
||||
union lbc_inval_status lbc_stat;
|
||||
u64 offset;
|
||||
|
||||
/* invalidate LBC */
|
||||
offset = LBC_INVAL_CTL;
|
||||
lbc_ctl.value = nitrox_read_csr(ndev, offset);
|
||||
lbc_ctl.s.cam_inval_start = 1;
|
||||
nitrox_write_csr(ndev, offset, lbc_ctl.value);
|
||||
|
||||
offset = LBC_INVAL_STATUS;
|
||||
|
||||
do {
|
||||
lbc_stat.value = nitrox_read_csr(ndev, offset);
|
||||
} while (!lbc_stat.s.done);
|
||||
}
|
||||
|
||||
void nitrox_config_lbc_unit(struct nitrox_device *ndev)
|
||||
{
|
||||
union lbc_int_ena_w1s lbc_int_ena;
|
||||
u64 offset;
|
||||
|
||||
invalidate_lbc(ndev);
|
||||
|
||||
/* enable interrupts */
|
||||
offset = LBC_INT_ENA_W1S;
|
||||
lbc_int_ena.value = 0;
|
||||
lbc_int_ena.s.dma_rd_err = 1;
|
||||
lbc_int_ena.s.over_fetch_err = 1;
|
||||
lbc_int_ena.s.cam_inval_abort = 1;
|
||||
lbc_int_ena.s.cam_hard_err = 1;
|
||||
nitrox_write_csr(ndev, offset, lbc_int_ena.value);
|
||||
|
||||
offset = LBC_PLM_VF1_64_INT_ENA_W1S;
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
offset = LBC_PLM_VF65_128_INT_ENA_W1S;
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
|
||||
offset = LBC_ELM_VF1_64_INT_ENA_W1S;
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
offset = LBC_ELM_VF65_128_INT_ENA_W1S;
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
}
|
467
drivers/crypto/cavium/nitrox/nitrox_isr.c
Normal file
467
drivers/crypto/cavium/nitrox/nitrox_isr.c
Normal file
@ -0,0 +1,467 @@
|
||||
#include <linux/pci.h>
|
||||
#include <linux/printk.h>
|
||||
#include <linux/slab.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_csr.h"
|
||||
#include "nitrox_common.h"
|
||||
|
||||
#define NR_RING_VECTORS 3
|
||||
#define NPS_CORE_INT_ACTIVE_ENTRY 192
|
||||
|
||||
/**
|
||||
* nps_pkt_slc_isr - IRQ handler for NPS solicit port
|
||||
* @irq: irq number
|
||||
* @data: argument
|
||||
*/
|
||||
static irqreturn_t nps_pkt_slc_isr(int irq, void *data)
|
||||
{
|
||||
struct bh_data *slc = data;
|
||||
union nps_pkt_slc_cnts pkt_slc_cnts;
|
||||
|
||||
pkt_slc_cnts.value = readq(slc->completion_cnt_csr_addr);
|
||||
/* New packet on SLC output port */
|
||||
if (pkt_slc_cnts.s.slc_int)
|
||||
tasklet_hi_schedule(&slc->resp_handler);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static void clear_nps_core_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
u64 value;
|
||||
|
||||
/* Write 1 to clear */
|
||||
value = nitrox_read_csr(ndev, NPS_CORE_INT);
|
||||
nitrox_write_csr(ndev, NPS_CORE_INT, value);
|
||||
|
||||
dev_err_ratelimited(DEV(ndev), "NSP_CORE_INT 0x%016llx\n", value);
|
||||
}
|
||||
|
||||
static void clear_nps_pkt_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
union nps_pkt_int pkt_int;
|
||||
unsigned long value, offset;
|
||||
int i;
|
||||
|
||||
pkt_int.value = nitrox_read_csr(ndev, NPS_PKT_INT);
|
||||
dev_err_ratelimited(DEV(ndev), "NPS_PKT_INT 0x%016llx\n",
|
||||
pkt_int.value);
|
||||
|
||||
if (pkt_int.s.slc_err) {
|
||||
offset = NPS_PKT_SLC_ERR_TYPE;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_SLC_ERR_TYPE 0x%016lx\n", value);
|
||||
|
||||
offset = NPS_PKT_SLC_RERR_LO;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
/* enable the solicit ports */
|
||||
for_each_set_bit(i, &value, BITS_PER_LONG)
|
||||
enable_pkt_solicit_port(ndev, i);
|
||||
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_SLC_RERR_LO 0x%016lx\n", value);
|
||||
|
||||
offset = NPS_PKT_SLC_RERR_HI;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_SLC_RERR_HI 0x%016lx\n", value);
|
||||
}
|
||||
|
||||
if (pkt_int.s.in_err) {
|
||||
offset = NPS_PKT_IN_ERR_TYPE;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_IN_ERR_TYPE 0x%016lx\n", value);
|
||||
offset = NPS_PKT_IN_RERR_LO;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
/* enable the input ring */
|
||||
for_each_set_bit(i, &value, BITS_PER_LONG)
|
||||
enable_pkt_input_ring(ndev, i);
|
||||
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_IN_RERR_LO 0x%016lx\n", value);
|
||||
|
||||
offset = NPS_PKT_IN_RERR_HI;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"NPS_PKT_IN_RERR_HI 0x%016lx\n", value);
|
||||
}
|
||||
}
|
||||
|
||||
static void clear_pom_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
u64 value;
|
||||
|
||||
value = nitrox_read_csr(ndev, POM_INT);
|
||||
nitrox_write_csr(ndev, POM_INT, value);
|
||||
dev_err_ratelimited(DEV(ndev), "POM_INT 0x%016llx\n", value);
|
||||
}
|
||||
|
||||
static void clear_pem_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
u64 value;
|
||||
|
||||
value = nitrox_read_csr(ndev, PEM0_INT);
|
||||
nitrox_write_csr(ndev, PEM0_INT, value);
|
||||
dev_err_ratelimited(DEV(ndev), "PEM(0)_INT 0x%016llx\n", value);
|
||||
}
|
||||
|
||||
static void clear_lbc_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
union lbc_int lbc_int;
|
||||
u64 value, offset;
|
||||
int i;
|
||||
|
||||
lbc_int.value = nitrox_read_csr(ndev, LBC_INT);
|
||||
dev_err_ratelimited(DEV(ndev), "LBC_INT 0x%016llx\n", lbc_int.value);
|
||||
|
||||
if (lbc_int.s.dma_rd_err) {
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
offset = EFL_CORE_VF_ERR_INT0X(i);
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
offset = EFL_CORE_VF_ERR_INT1X(i);
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
}
|
||||
}
|
||||
|
||||
if (lbc_int.s.cam_soft_err) {
|
||||
dev_err_ratelimited(DEV(ndev), "CAM_SOFT_ERR, invalidating LBC\n");
|
||||
invalidate_lbc(ndev);
|
||||
}
|
||||
|
||||
if (lbc_int.s.pref_dat_len_mismatch_err) {
|
||||
offset = LBC_PLM_VF1_64_INT;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
offset = LBC_PLM_VF65_128_INT;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
}
|
||||
|
||||
if (lbc_int.s.rd_dat_len_mismatch_err) {
|
||||
offset = LBC_ELM_VF1_64_INT;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
offset = LBC_ELM_VF65_128_INT;
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
}
|
||||
nitrox_write_csr(ndev, LBC_INT, lbc_int.value);
|
||||
}
|
||||
|
||||
static void clear_efl_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
union efl_core_int core_int;
|
||||
u64 value, offset;
|
||||
|
||||
offset = EFL_CORE_INTX(i);
|
||||
core_int.value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, core_int.value);
|
||||
dev_err_ratelimited(DEV(ndev), "ELF_CORE(%d)_INT 0x%016llx\n",
|
||||
i, core_int.value);
|
||||
if (core_int.s.se_err) {
|
||||
offset = EFL_CORE_SE_ERR_INTX(i);
|
||||
value = nitrox_read_csr(ndev, offset);
|
||||
nitrox_write_csr(ndev, offset, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void clear_bmi_err_intr(struct nitrox_device *ndev)
|
||||
{
|
||||
u64 value;
|
||||
|
||||
value = nitrox_read_csr(ndev, BMI_INT);
|
||||
nitrox_write_csr(ndev, BMI_INT, value);
|
||||
dev_err_ratelimited(DEV(ndev), "BMI_INT 0x%016llx\n", value);
|
||||
}
|
||||
|
||||
/**
|
||||
* clear_nps_core_int_active - clear NPS_CORE_INT_ACTIVE interrupts
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
static void clear_nps_core_int_active(struct nitrox_device *ndev)
|
||||
{
|
||||
union nps_core_int_active core_int_active;
|
||||
|
||||
core_int_active.value = nitrox_read_csr(ndev, NPS_CORE_INT_ACTIVE);
|
||||
|
||||
if (core_int_active.s.nps_core)
|
||||
clear_nps_core_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.nps_pkt)
|
||||
clear_nps_pkt_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.pom)
|
||||
clear_pom_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.pem)
|
||||
clear_pem_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.lbc)
|
||||
clear_lbc_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.efl)
|
||||
clear_efl_err_intr(ndev);
|
||||
|
||||
if (core_int_active.s.bmi)
|
||||
clear_bmi_err_intr(ndev);
|
||||
|
||||
/* If more work callback the ISR, set resend */
|
||||
core_int_active.s.resend = 1;
|
||||
nitrox_write_csr(ndev, NPS_CORE_INT_ACTIVE, core_int_active.value);
|
||||
}
|
||||
|
||||
static irqreturn_t nps_core_int_isr(int irq, void *data)
|
||||
{
|
||||
struct nitrox_device *ndev = data;
|
||||
|
||||
clear_nps_core_int_active(ndev);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int nitrox_enable_msix(struct nitrox_device *ndev)
|
||||
{
|
||||
struct msix_entry *entries;
|
||||
char **names;
|
||||
int i, nr_entries, ret;
|
||||
|
||||
/*
|
||||
* PF MSI-X vectors
|
||||
*
|
||||
* Entry 0: NPS PKT ring 0
|
||||
* Entry 1: AQMQ ring 0
|
||||
* Entry 2: ZQM ring 0
|
||||
* Entry 3: NPS PKT ring 1
|
||||
* Entry 4: AQMQ ring 1
|
||||
* Entry 5: ZQM ring 1
|
||||
* ....
|
||||
* Entry 192: NPS_CORE_INT_ACTIVE
|
||||
*/
|
||||
nr_entries = (ndev->nr_queues * NR_RING_VECTORS) + 1;
|
||||
entries = kzalloc_node(nr_entries * sizeof(struct msix_entry),
|
||||
GFP_KERNEL, ndev->node);
|
||||
if (!entries)
|
||||
return -ENOMEM;
|
||||
|
||||
names = kcalloc(nr_entries, sizeof(char *), GFP_KERNEL);
|
||||
if (!names) {
|
||||
kfree(entries);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/* fill entires */
|
||||
for (i = 0; i < (nr_entries - 1); i++)
|
||||
entries[i].entry = i;
|
||||
|
||||
entries[i].entry = NPS_CORE_INT_ACTIVE_ENTRY;
|
||||
|
||||
for (i = 0; i < nr_entries; i++) {
|
||||
*(names + i) = kzalloc(MAX_MSIX_VECTOR_NAME, GFP_KERNEL);
|
||||
if (!(*(names + i))) {
|
||||
ret = -ENOMEM;
|
||||
goto msix_fail;
|
||||
}
|
||||
}
|
||||
ndev->msix.entries = entries;
|
||||
ndev->msix.names = names;
|
||||
ndev->msix.nr_entries = nr_entries;
|
||||
|
||||
ret = pci_enable_msix_exact(ndev->pdev, ndev->msix.entries,
|
||||
ndev->msix.nr_entries);
|
||||
if (ret) {
|
||||
dev_err(&ndev->pdev->dev, "Failed to enable MSI-X IRQ(s) %d\n",
|
||||
ret);
|
||||
goto msix_fail;
|
||||
}
|
||||
return 0;
|
||||
|
||||
msix_fail:
|
||||
for (i = 0; i < nr_entries; i++)
|
||||
kfree(*(names + i));
|
||||
|
||||
kfree(entries);
|
||||
kfree(names);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void nitrox_cleanup_pkt_slc_bh(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (!ndev->bh.slc)
|
||||
return;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++) {
|
||||
struct bh_data *bh = &ndev->bh.slc[i];
|
||||
|
||||
tasklet_disable(&bh->resp_handler);
|
||||
tasklet_kill(&bh->resp_handler);
|
||||
}
|
||||
kfree(ndev->bh.slc);
|
||||
ndev->bh.slc = NULL;
|
||||
}
|
||||
|
||||
static int nitrox_setup_pkt_slc_bh(struct nitrox_device *ndev)
|
||||
{
|
||||
u32 size;
|
||||
int i;
|
||||
|
||||
size = ndev->nr_queues * sizeof(struct bh_data);
|
||||
ndev->bh.slc = kzalloc(size, GFP_KERNEL);
|
||||
if (!ndev->bh.slc)
|
||||
return -ENOMEM;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++) {
|
||||
struct bh_data *bh = &ndev->bh.slc[i];
|
||||
u64 offset;
|
||||
|
||||
offset = NPS_PKT_SLC_CNTSX(i);
|
||||
/* pre calculate completion count address */
|
||||
bh->completion_cnt_csr_addr = NITROX_CSR_ADDR(ndev, offset);
|
||||
bh->cmdq = &ndev->pkt_cmdqs[i];
|
||||
|
||||
tasklet_init(&bh->resp_handler, pkt_slc_resp_handler,
|
||||
(unsigned long)bh);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nitrox_request_irqs(struct nitrox_device *ndev)
|
||||
{
|
||||
struct pci_dev *pdev = ndev->pdev;
|
||||
struct msix_entry *msix_ent = ndev->msix.entries;
|
||||
int nr_ring_vectors, i = 0, ring, cpu, ret;
|
||||
char *name;
|
||||
|
||||
/*
|
||||
* PF MSI-X vectors
|
||||
*
|
||||
* Entry 0: NPS PKT ring 0
|
||||
* Entry 1: AQMQ ring 0
|
||||
* Entry 2: ZQM ring 0
|
||||
* Entry 3: NPS PKT ring 1
|
||||
* ....
|
||||
* Entry 192: NPS_CORE_INT_ACTIVE
|
||||
*/
|
||||
nr_ring_vectors = ndev->nr_queues * NR_RING_VECTORS;
|
||||
|
||||
/* request irq for pkt ring/ports only */
|
||||
while (i < nr_ring_vectors) {
|
||||
name = *(ndev->msix.names + i);
|
||||
ring = (i / NR_RING_VECTORS);
|
||||
snprintf(name, MAX_MSIX_VECTOR_NAME, "n5(%d)-slc-ring%d",
|
||||
ndev->idx, ring);
|
||||
|
||||
ret = request_irq(msix_ent[i].vector, nps_pkt_slc_isr, 0,
|
||||
name, &ndev->bh.slc[ring]);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev, "failed to get irq %d for %s\n",
|
||||
msix_ent[i].vector, name);
|
||||
return ret;
|
||||
}
|
||||
cpu = ring % num_online_cpus();
|
||||
irq_set_affinity_hint(msix_ent[i].vector, get_cpu_mask(cpu));
|
||||
|
||||
set_bit(i, ndev->msix.irqs);
|
||||
i += NR_RING_VECTORS;
|
||||
}
|
||||
|
||||
/* Request IRQ for NPS_CORE_INT_ACTIVE */
|
||||
name = *(ndev->msix.names + i);
|
||||
snprintf(name, MAX_MSIX_VECTOR_NAME, "n5(%d)-nps-core-int", ndev->idx);
|
||||
ret = request_irq(msix_ent[i].vector, nps_core_int_isr, 0, name, ndev);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev, "failed to get irq %d for %s\n",
|
||||
msix_ent[i].vector, name);
|
||||
return ret;
|
||||
}
|
||||
set_bit(i, ndev->msix.irqs);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void nitrox_disable_msix(struct nitrox_device *ndev)
|
||||
{
|
||||
struct msix_entry *msix_ent = ndev->msix.entries;
|
||||
char **names = ndev->msix.names;
|
||||
int i = 0, ring, nr_ring_vectors;
|
||||
|
||||
nr_ring_vectors = ndev->msix.nr_entries - 1;
|
||||
|
||||
/* clear pkt ring irqs */
|
||||
while (i < nr_ring_vectors) {
|
||||
if (test_and_clear_bit(i, ndev->msix.irqs)) {
|
||||
ring = (i / NR_RING_VECTORS);
|
||||
irq_set_affinity_hint(msix_ent[i].vector, NULL);
|
||||
free_irq(msix_ent[i].vector, &ndev->bh.slc[ring]);
|
||||
}
|
||||
i += NR_RING_VECTORS;
|
||||
}
|
||||
irq_set_affinity_hint(msix_ent[i].vector, NULL);
|
||||
free_irq(msix_ent[i].vector, ndev);
|
||||
clear_bit(i, ndev->msix.irqs);
|
||||
|
||||
kfree(ndev->msix.entries);
|
||||
for (i = 0; i < ndev->msix.nr_entries; i++)
|
||||
kfree(*(names + i));
|
||||
|
||||
kfree(names);
|
||||
pci_disable_msix(ndev->pdev);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_pf_cleanup_isr: Cleanup PF MSI-X and IRQ
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
void nitrox_pf_cleanup_isr(struct nitrox_device *ndev)
|
||||
{
|
||||
nitrox_disable_msix(ndev);
|
||||
nitrox_cleanup_pkt_slc_bh(ndev);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_init_isr - Initialize PF MSI-X vectors and IRQ
|
||||
* @ndev: NITROX device
|
||||
*
|
||||
* Return: 0 on success, a negative value on failure.
|
||||
*/
|
||||
int nitrox_pf_init_isr(struct nitrox_device *ndev)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = nitrox_setup_pkt_slc_bh(ndev);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = nitrox_enable_msix(ndev);
|
||||
if (err)
|
||||
goto msix_fail;
|
||||
|
||||
err = nitrox_request_irqs(ndev);
|
||||
if (err)
|
||||
goto irq_fail;
|
||||
|
||||
return 0;
|
||||
|
||||
irq_fail:
|
||||
nitrox_disable_msix(ndev);
|
||||
msix_fail:
|
||||
nitrox_cleanup_pkt_slc_bh(ndev);
|
||||
return err;
|
||||
}
|
210
drivers/crypto/cavium/nitrox/nitrox_lib.c
Normal file
210
drivers/crypto/cavium/nitrox/nitrox_lib.c
Normal file
@ -0,0 +1,210 @@
|
||||
#include <linux/cpumask.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/dmapool.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/gfp.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/pci_regs.h>
|
||||
#include <linux/vmalloc.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_common.h"
|
||||
#include "nitrox_req.h"
|
||||
#include "nitrox_csr.h"
|
||||
|
||||
#define CRYPTO_CTX_SIZE 256
|
||||
|
||||
/* command queue alignments */
|
||||
#define PKT_IN_ALIGN 16
|
||||
|
||||
static int cmdq_common_init(struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
struct nitrox_device *ndev = cmdq->ndev;
|
||||
u32 qsize;
|
||||
|
||||
qsize = (ndev->qlen) * cmdq->instr_size;
|
||||
cmdq->head_unaligned = dma_zalloc_coherent(DEV(ndev),
|
||||
(qsize + PKT_IN_ALIGN),
|
||||
&cmdq->dma_unaligned,
|
||||
GFP_KERNEL);
|
||||
if (!cmdq->head_unaligned)
|
||||
return -ENOMEM;
|
||||
|
||||
cmdq->head = PTR_ALIGN(cmdq->head_unaligned, PKT_IN_ALIGN);
|
||||
cmdq->dma = PTR_ALIGN(cmdq->dma_unaligned, PKT_IN_ALIGN);
|
||||
cmdq->qsize = (qsize + PKT_IN_ALIGN);
|
||||
|
||||
spin_lock_init(&cmdq->response_lock);
|
||||
spin_lock_init(&cmdq->cmdq_lock);
|
||||
spin_lock_init(&cmdq->backlog_lock);
|
||||
|
||||
INIT_LIST_HEAD(&cmdq->response_head);
|
||||
INIT_LIST_HEAD(&cmdq->backlog_head);
|
||||
INIT_WORK(&cmdq->backlog_qflush, backlog_qflush_work);
|
||||
|
||||
atomic_set(&cmdq->pending_count, 0);
|
||||
atomic_set(&cmdq->backlog_count, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void cmdq_common_cleanup(struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
struct nitrox_device *ndev = cmdq->ndev;
|
||||
|
||||
cancel_work_sync(&cmdq->backlog_qflush);
|
||||
|
||||
dma_free_coherent(DEV(ndev), cmdq->qsize,
|
||||
cmdq->head_unaligned, cmdq->dma_unaligned);
|
||||
|
||||
atomic_set(&cmdq->pending_count, 0);
|
||||
atomic_set(&cmdq->backlog_count, 0);
|
||||
|
||||
cmdq->dbell_csr_addr = NULL;
|
||||
cmdq->head = NULL;
|
||||
cmdq->dma = 0;
|
||||
cmdq->qsize = 0;
|
||||
cmdq->instr_size = 0;
|
||||
}
|
||||
|
||||
static void nitrox_cleanup_pkt_cmdqs(struct nitrox_device *ndev)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++) {
|
||||
struct nitrox_cmdq *cmdq = &ndev->pkt_cmdqs[i];
|
||||
|
||||
cmdq_common_cleanup(cmdq);
|
||||
}
|
||||
kfree(ndev->pkt_cmdqs);
|
||||
ndev->pkt_cmdqs = NULL;
|
||||
}
|
||||
|
||||
static int nitrox_init_pkt_cmdqs(struct nitrox_device *ndev)
|
||||
{
|
||||
int i, err, size;
|
||||
|
||||
size = ndev->nr_queues * sizeof(struct nitrox_cmdq);
|
||||
ndev->pkt_cmdqs = kzalloc(size, GFP_KERNEL);
|
||||
if (!ndev->pkt_cmdqs)
|
||||
return -ENOMEM;
|
||||
|
||||
for (i = 0; i < ndev->nr_queues; i++) {
|
||||
struct nitrox_cmdq *cmdq;
|
||||
u64 offset;
|
||||
|
||||
cmdq = &ndev->pkt_cmdqs[i];
|
||||
cmdq->ndev = ndev;
|
||||
cmdq->qno = i;
|
||||
cmdq->instr_size = sizeof(struct nps_pkt_instr);
|
||||
|
||||
offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(i);
|
||||
/* SE ring doorbell address for this queue */
|
||||
cmdq->dbell_csr_addr = NITROX_CSR_ADDR(ndev, offset);
|
||||
|
||||
err = cmdq_common_init(cmdq);
|
||||
if (err)
|
||||
goto pkt_cmdq_fail;
|
||||
}
|
||||
return 0;
|
||||
|
||||
pkt_cmdq_fail:
|
||||
nitrox_cleanup_pkt_cmdqs(ndev);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int create_crypto_dma_pool(struct nitrox_device *ndev)
|
||||
{
|
||||
size_t size;
|
||||
|
||||
/* Crypto context pool, 16 byte aligned */
|
||||
size = CRYPTO_CTX_SIZE + sizeof(struct ctx_hdr);
|
||||
ndev->ctx_pool = dma_pool_create("crypto-context",
|
||||
DEV(ndev), size, 16, 0);
|
||||
if (!ndev->ctx_pool)
|
||||
return -ENOMEM;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void destroy_crypto_dma_pool(struct nitrox_device *ndev)
|
||||
{
|
||||
if (!ndev->ctx_pool)
|
||||
return;
|
||||
|
||||
dma_pool_destroy(ndev->ctx_pool);
|
||||
ndev->ctx_pool = NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* crypto_alloc_context - Allocate crypto context from pool
|
||||
* @ndev: NITROX Device
|
||||
*/
|
||||
void *crypto_alloc_context(struct nitrox_device *ndev)
|
||||
{
|
||||
struct ctx_hdr *ctx;
|
||||
void *vaddr;
|
||||
dma_addr_t dma;
|
||||
|
||||
vaddr = dma_pool_alloc(ndev->ctx_pool, (GFP_ATOMIC | __GFP_ZERO), &dma);
|
||||
if (!vaddr)
|
||||
return NULL;
|
||||
|
||||
/* fill meta data */
|
||||
ctx = vaddr;
|
||||
ctx->pool = ndev->ctx_pool;
|
||||
ctx->dma = dma;
|
||||
ctx->ctx_dma = dma + sizeof(struct ctx_hdr);
|
||||
|
||||
return ((u8 *)vaddr + sizeof(struct ctx_hdr));
|
||||
}
|
||||
|
||||
/**
|
||||
* crypto_free_context - Free crypto context to pool
|
||||
* @ctx: context to free
|
||||
*/
|
||||
void crypto_free_context(void *ctx)
|
||||
{
|
||||
struct ctx_hdr *ctxp;
|
||||
|
||||
if (!ctx)
|
||||
return;
|
||||
|
||||
ctxp = (struct ctx_hdr *)((u8 *)ctx - sizeof(struct ctx_hdr));
|
||||
dma_pool_free(ctxp->pool, ctxp, ctxp->dma);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_common_sw_init - allocate software resources.
|
||||
* @ndev: NITROX device
|
||||
*
|
||||
* Allocates crypto context pools and command queues etc.
|
||||
*
|
||||
* Return: 0 on success, or a negative error code on error.
|
||||
*/
|
||||
int nitrox_common_sw_init(struct nitrox_device *ndev)
|
||||
{
|
||||
int err = 0;
|
||||
|
||||
/* per device crypto context pool */
|
||||
err = create_crypto_dma_pool(ndev);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = nitrox_init_pkt_cmdqs(ndev);
|
||||
if (err)
|
||||
destroy_crypto_dma_pool(ndev);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_common_sw_cleanup - free software resources.
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
void nitrox_common_sw_cleanup(struct nitrox_device *ndev)
|
||||
{
|
||||
nitrox_cleanup_pkt_cmdqs(ndev);
|
||||
destroy_crypto_dma_pool(ndev);
|
||||
}
|
640
drivers/crypto/cavium/nitrox/nitrox_main.c
Normal file
640
drivers/crypto/cavium/nitrox/nitrox_main.c
Normal file
@ -0,0 +1,640 @@
|
||||
#include <linux/aer.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/firmware.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/pci_ids.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_common.h"
|
||||
#include "nitrox_csr.h"
|
||||
|
||||
#define CNN55XX_DEV_ID 0x12
|
||||
#define MAX_PF_QUEUES 64
|
||||
#define UCODE_HLEN 48
|
||||
#define SE_GROUP 0
|
||||
|
||||
#define DRIVER_VERSION "1.0"
|
||||
/* SE microcode */
|
||||
#define SE_FW "cnn55xx_se.fw"
|
||||
|
||||
static const char nitrox_driver_name[] = "CNN55XX";
|
||||
|
||||
static LIST_HEAD(ndevlist);
|
||||
static DEFINE_MUTEX(devlist_lock);
|
||||
static unsigned int num_devices;
|
||||
|
||||
/**
|
||||
* nitrox_pci_tbl - PCI Device ID Table
|
||||
*/
|
||||
static const struct pci_device_id nitrox_pci_tbl[] = {
|
||||
{PCI_VDEVICE(CAVIUM, CNN55XX_DEV_ID), 0},
|
||||
/* required last entry */
|
||||
{0, }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(pci, nitrox_pci_tbl);
|
||||
|
||||
static unsigned int qlen = DEFAULT_CMD_QLEN;
|
||||
module_param(qlen, uint, 0644);
|
||||
MODULE_PARM_DESC(qlen, "Command queue length - default 2048");
|
||||
|
||||
/**
|
||||
* struct ucode - Firmware Header
|
||||
* @id: microcode ID
|
||||
* @version: firmware version
|
||||
* @code_size: code section size
|
||||
* @raz: alignment
|
||||
* @code: code section
|
||||
*/
|
||||
struct ucode {
|
||||
u8 id;
|
||||
char version[VERSION_LEN - 1];
|
||||
__be32 code_size;
|
||||
u8 raz[12];
|
||||
u64 code[0];
|
||||
};
|
||||
|
||||
/**
|
||||
* write_to_ucd_unit - Write Firmware to NITROX UCD unit
|
||||
*/
|
||||
static void write_to_ucd_unit(struct nitrox_device *ndev,
|
||||
struct ucode *ucode)
|
||||
{
|
||||
u32 code_size = be32_to_cpu(ucode->code_size) * 2;
|
||||
u64 offset, data;
|
||||
int i = 0;
|
||||
|
||||
/*
|
||||
* UCD structure
|
||||
*
|
||||
* -------------
|
||||
* | BLK 7 |
|
||||
* -------------
|
||||
* | BLK 6 |
|
||||
* -------------
|
||||
* | ... |
|
||||
* -------------
|
||||
* | BLK 0 |
|
||||
* -------------
|
||||
* Total of 8 blocks, each size 32KB
|
||||
*/
|
||||
|
||||
/* set the block number */
|
||||
offset = UCD_UCODE_LOAD_BLOCK_NUM;
|
||||
nitrox_write_csr(ndev, offset, 0);
|
||||
|
||||
code_size = roundup(code_size, 8);
|
||||
while (code_size) {
|
||||
data = ucode->code[i];
|
||||
/* write 8 bytes at a time */
|
||||
offset = UCD_UCODE_LOAD_IDX_DATAX(i);
|
||||
nitrox_write_csr(ndev, offset, data);
|
||||
code_size -= 8;
|
||||
i++;
|
||||
}
|
||||
|
||||
/* put all SE cores in group 0 */
|
||||
offset = POM_GRP_EXECMASKX(SE_GROUP);
|
||||
nitrox_write_csr(ndev, offset, (~0ULL));
|
||||
|
||||
for (i = 0; i < ndev->hw.se_cores; i++) {
|
||||
/*
|
||||
* write block number and firware length
|
||||
* bit:<2:0> block number
|
||||
* bit:3 is set SE uses 32KB microcode
|
||||
* bit:3 is clear SE uses 64KB microcode
|
||||
*/
|
||||
offset = UCD_SE_EID_UCODE_BLOCK_NUMX(i);
|
||||
nitrox_write_csr(ndev, offset, 0x8);
|
||||
}
|
||||
usleep_range(300, 400);
|
||||
}
|
||||
|
||||
static int nitrox_load_fw(struct nitrox_device *ndev, const char *fw_name)
|
||||
{
|
||||
const struct firmware *fw;
|
||||
struct ucode *ucode;
|
||||
int ret;
|
||||
|
||||
dev_info(DEV(ndev), "Loading firmware \"%s\"\n", fw_name);
|
||||
|
||||
ret = request_firmware(&fw, fw_name, DEV(ndev));
|
||||
if (ret < 0) {
|
||||
dev_err(DEV(ndev), "failed to get firmware %s\n", fw_name);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ucode = (struct ucode *)fw->data;
|
||||
/* copy the firmware version */
|
||||
memcpy(ndev->hw.fw_name, ucode->version, (VERSION_LEN - 2));
|
||||
ndev->hw.fw_name[VERSION_LEN - 1] = '\0';
|
||||
|
||||
write_to_ucd_unit(ndev, ucode);
|
||||
release_firmware(fw);
|
||||
|
||||
set_bit(NITROX_UCODE_LOADED, &ndev->status);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_add_to_devlist - add NITROX device to global device list
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
static int nitrox_add_to_devlist(struct nitrox_device *ndev)
|
||||
{
|
||||
struct nitrox_device *dev;
|
||||
int ret = 0;
|
||||
|
||||
INIT_LIST_HEAD(&ndev->list);
|
||||
refcount_set(&ndev->refcnt, 1);
|
||||
|
||||
mutex_lock(&devlist_lock);
|
||||
list_for_each_entry(dev, &ndevlist, list) {
|
||||
if (dev == ndev) {
|
||||
ret = -EEXIST;
|
||||
goto unlock;
|
||||
}
|
||||
}
|
||||
ndev->idx = num_devices++;
|
||||
list_add_tail(&ndev->list, &ndevlist);
|
||||
unlock:
|
||||
mutex_unlock(&devlist_lock);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_remove_from_devlist - remove NITROX device from
|
||||
* global device list
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
static void nitrox_remove_from_devlist(struct nitrox_device *ndev)
|
||||
{
|
||||
mutex_lock(&devlist_lock);
|
||||
list_del(&ndev->list);
|
||||
num_devices--;
|
||||
mutex_unlock(&devlist_lock);
|
||||
}
|
||||
|
||||
struct nitrox_device *nitrox_get_first_device(void)
|
||||
{
|
||||
struct nitrox_device *ndev = NULL;
|
||||
|
||||
mutex_lock(&devlist_lock);
|
||||
list_for_each_entry(ndev, &ndevlist, list) {
|
||||
if (nitrox_ready(ndev))
|
||||
break;
|
||||
}
|
||||
mutex_unlock(&devlist_lock);
|
||||
if (!ndev)
|
||||
return NULL;
|
||||
|
||||
refcount_inc(&ndev->refcnt);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
return ndev;
|
||||
}
|
||||
|
||||
void nitrox_put_device(struct nitrox_device *ndev)
|
||||
{
|
||||
if (!ndev)
|
||||
return;
|
||||
|
||||
refcount_dec(&ndev->refcnt);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
}
|
||||
|
||||
static int nitrox_reset_device(struct pci_dev *pdev)
|
||||
{
|
||||
int pos = 0;
|
||||
|
||||
pos = pci_save_state(pdev);
|
||||
if (pos) {
|
||||
dev_err(&pdev->dev, "Failed to save pci state\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
pos = pci_pcie_cap(pdev);
|
||||
if (!pos)
|
||||
return -ENOTTY;
|
||||
|
||||
if (!pci_wait_for_pending_transaction(pdev))
|
||||
dev_err(&pdev->dev, "waiting for pending transaction\n");
|
||||
|
||||
pcie_capability_set_word(pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
|
||||
msleep(100);
|
||||
pci_restore_state(pdev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nitrox_pf_sw_init(struct nitrox_device *ndev)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = nitrox_common_sw_init(ndev);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = nitrox_pf_init_isr(ndev);
|
||||
if (err)
|
||||
nitrox_common_sw_cleanup(ndev);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void nitrox_pf_sw_cleanup(struct nitrox_device *ndev)
|
||||
{
|
||||
nitrox_pf_cleanup_isr(ndev);
|
||||
nitrox_common_sw_cleanup(ndev);
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_bist_check - Check NITORX BIST registers status
|
||||
* @ndev: NITROX device
|
||||
*/
|
||||
static int nitrox_bist_check(struct nitrox_device *ndev)
|
||||
{
|
||||
u64 value = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
value += nitrox_read_csr(ndev, EMU_BIST_STATUSX(i));
|
||||
value += nitrox_read_csr(ndev, EFL_CORE_BIST_REGX(i));
|
||||
}
|
||||
value += nitrox_read_csr(ndev, UCD_BIST_STATUS);
|
||||
value += nitrox_read_csr(ndev, NPS_CORE_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, NPS_CORE_NPC_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, NPS_PKT_SLC_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, NPS_PKT_IN_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, POM_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, BMI_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, EFL_TOP_BIST_STAT);
|
||||
value += nitrox_read_csr(ndev, BMO_BIST_REG);
|
||||
value += nitrox_read_csr(ndev, LBC_BIST_STATUS);
|
||||
value += nitrox_read_csr(ndev, PEM_BIST_STATUSX(0));
|
||||
if (value)
|
||||
return -EIO;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void nitrox_get_hwinfo(struct nitrox_device *ndev)
|
||||
{
|
||||
union emu_fuse_map emu_fuse;
|
||||
u64 offset;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < NR_CLUSTERS; i++) {
|
||||
u8 dead_cores;
|
||||
|
||||
offset = EMU_FUSE_MAPX(i);
|
||||
emu_fuse.value = nitrox_read_csr(ndev, offset);
|
||||
if (emu_fuse.s.valid) {
|
||||
dead_cores = hweight32(emu_fuse.s.ae_fuse);
|
||||
ndev->hw.ae_cores += AE_CORES_PER_CLUSTER - dead_cores;
|
||||
dead_cores = hweight16(emu_fuse.s.se_fuse);
|
||||
ndev->hw.se_cores += SE_CORES_PER_CLUSTER - dead_cores;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static int nitrox_pf_hw_init(struct nitrox_device *ndev)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = nitrox_bist_check(ndev);
|
||||
if (err) {
|
||||
dev_err(&ndev->pdev->dev, "BIST check failed\n");
|
||||
return err;
|
||||
}
|
||||
/* get cores information */
|
||||
nitrox_get_hwinfo(ndev);
|
||||
|
||||
nitrox_config_nps_unit(ndev);
|
||||
nitrox_config_pom_unit(ndev);
|
||||
nitrox_config_efl_unit(ndev);
|
||||
/* configure IO units */
|
||||
nitrox_config_bmi_unit(ndev);
|
||||
nitrox_config_bmo_unit(ndev);
|
||||
/* configure Local Buffer Cache */
|
||||
nitrox_config_lbc_unit(ndev);
|
||||
nitrox_config_rand_unit(ndev);
|
||||
|
||||
/* load firmware on SE cores */
|
||||
err = nitrox_load_fw(ndev, SE_FW);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
nitrox_config_emu_unit(ndev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if IS_ENABLED(CONFIG_DEBUG_FS)
|
||||
static int registers_show(struct seq_file *s, void *v)
|
||||
{
|
||||
struct nitrox_device *ndev = s->private;
|
||||
u64 offset;
|
||||
|
||||
/* NPS DMA stats */
|
||||
offset = NPS_STATS_PKT_DMA_RD_CNT;
|
||||
seq_printf(s, "NPS_STATS_PKT_DMA_RD_CNT 0x%016llx\n",
|
||||
nitrox_read_csr(ndev, offset));
|
||||
offset = NPS_STATS_PKT_DMA_WR_CNT;
|
||||
seq_printf(s, "NPS_STATS_PKT_DMA_WR_CNT 0x%016llx\n",
|
||||
nitrox_read_csr(ndev, offset));
|
||||
|
||||
/* BMI/BMO stats */
|
||||
offset = BMI_NPS_PKT_CNT;
|
||||
seq_printf(s, "BMI_NPS_PKT_CNT 0x%016llx\n",
|
||||
nitrox_read_csr(ndev, offset));
|
||||
offset = BMO_NPS_SLC_PKT_CNT;
|
||||
seq_printf(s, "BMO_NPS_PKT_CNT 0x%016llx\n",
|
||||
nitrox_read_csr(ndev, offset));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int registers_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, registers_show, inode->i_private);
|
||||
}
|
||||
|
||||
static const struct file_operations register_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = registers_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int firmware_show(struct seq_file *s, void *v)
|
||||
{
|
||||
struct nitrox_device *ndev = s->private;
|
||||
|
||||
seq_printf(s, "Version: %s\n", ndev->hw.fw_name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int firmware_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, firmware_show, inode->i_private);
|
||||
}
|
||||
|
||||
static const struct file_operations firmware_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = firmware_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int nitrox_show(struct seq_file *s, void *v)
|
||||
{
|
||||
struct nitrox_device *ndev = s->private;
|
||||
|
||||
seq_printf(s, "NITROX-5 [idx: %d]\n", ndev->idx);
|
||||
seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id);
|
||||
seq_printf(s, " Cores [AE: %u SE: %u]\n",
|
||||
ndev->hw.ae_cores, ndev->hw.se_cores);
|
||||
seq_printf(s, " Number of Queues: %u\n", ndev->nr_queues);
|
||||
seq_printf(s, " Queue length: %u\n", ndev->qlen);
|
||||
seq_printf(s, " Node: %u\n", ndev->node);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nitrox_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, nitrox_show, inode->i_private);
|
||||
}
|
||||
|
||||
static const struct file_operations nitrox_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = nitrox_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static void nitrox_debugfs_exit(struct nitrox_device *ndev)
|
||||
{
|
||||
debugfs_remove_recursive(ndev->debugfs_dir);
|
||||
ndev->debugfs_dir = NULL;
|
||||
}
|
||||
|
||||
static int nitrox_debugfs_init(struct nitrox_device *ndev)
|
||||
{
|
||||
struct dentry *dir, *f;
|
||||
|
||||
dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
|
||||
if (!dir)
|
||||
return -ENOMEM;
|
||||
|
||||
ndev->debugfs_dir = dir;
|
||||
f = debugfs_create_file("counters", 0400, dir, ndev, ®ister_fops);
|
||||
if (!f)
|
||||
goto err;
|
||||
f = debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
|
||||
if (!f)
|
||||
goto err;
|
||||
f = debugfs_create_file("nitrox", 0400, dir, ndev, &nitrox_fops);
|
||||
if (!f)
|
||||
goto err;
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
nitrox_debugfs_exit(ndev);
|
||||
return -ENODEV;
|
||||
}
|
||||
#else
|
||||
static int nitrox_debugfs_init(struct nitrox_device *ndev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void nitrox_debugfs_exit(struct nitrox_device *ndev)
|
||||
{
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* nitrox_probe - NITROX Initialization function.
|
||||
* @pdev: PCI device information struct
|
||||
* @id: entry in nitrox_pci_tbl
|
||||
*
|
||||
* Return: 0, if the driver is bound to the device, or
|
||||
* a negative error if there is failure.
|
||||
*/
|
||||
static int nitrox_probe(struct pci_dev *pdev,
|
||||
const struct pci_device_id *id)
|
||||
{
|
||||
struct nitrox_device *ndev;
|
||||
int err;
|
||||
|
||||
dev_info_once(&pdev->dev, "%s driver version %s\n",
|
||||
nitrox_driver_name, DRIVER_VERSION);
|
||||
|
||||
err = pci_enable_device_mem(pdev);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* do FLR */
|
||||
err = nitrox_reset_device(pdev);
|
||||
if (err) {
|
||||
dev_err(&pdev->dev, "FLR failed\n");
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
|
||||
if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
|
||||
dev_dbg(&pdev->dev, "DMA to 64-BIT address\n");
|
||||
} else {
|
||||
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
|
||||
if (err) {
|
||||
dev_err(&pdev->dev, "DMA configuration failed\n");
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
err = pci_request_mem_regions(pdev, nitrox_driver_name);
|
||||
if (err) {
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
pci_set_master(pdev);
|
||||
|
||||
ndev = kzalloc(sizeof(*ndev), GFP_KERNEL);
|
||||
if (!ndev)
|
||||
goto ndev_fail;
|
||||
|
||||
pci_set_drvdata(pdev, ndev);
|
||||
ndev->pdev = pdev;
|
||||
|
||||
/* add to device list */
|
||||
nitrox_add_to_devlist(ndev);
|
||||
|
||||
ndev->hw.vendor_id = pdev->vendor;
|
||||
ndev->hw.device_id = pdev->device;
|
||||
ndev->hw.revision_id = pdev->revision;
|
||||
/* command timeout in jiffies */
|
||||
ndev->timeout = msecs_to_jiffies(CMD_TIMEOUT);
|
||||
ndev->node = dev_to_node(&pdev->dev);
|
||||
if (ndev->node == NUMA_NO_NODE)
|
||||
ndev->node = 0;
|
||||
|
||||
ndev->bar_addr = ioremap(pci_resource_start(pdev, 0),
|
||||
pci_resource_len(pdev, 0));
|
||||
if (!ndev->bar_addr) {
|
||||
err = -EIO;
|
||||
goto ioremap_err;
|
||||
}
|
||||
/* allocate command queus based on cpus, max queues are 64 */
|
||||
ndev->nr_queues = min_t(u32, MAX_PF_QUEUES, num_online_cpus());
|
||||
ndev->qlen = qlen;
|
||||
|
||||
err = nitrox_pf_sw_init(ndev);
|
||||
if (err)
|
||||
goto ioremap_err;
|
||||
|
||||
err = nitrox_pf_hw_init(ndev);
|
||||
if (err)
|
||||
goto pf_hw_fail;
|
||||
|
||||
err = nitrox_debugfs_init(ndev);
|
||||
if (err)
|
||||
goto pf_hw_fail;
|
||||
|
||||
set_bit(NITROX_READY, &ndev->status);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
|
||||
err = nitrox_crypto_register();
|
||||
if (err)
|
||||
goto crypto_fail;
|
||||
|
||||
return 0;
|
||||
|
||||
crypto_fail:
|
||||
nitrox_debugfs_exit(ndev);
|
||||
clear_bit(NITROX_READY, &ndev->status);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
pf_hw_fail:
|
||||
nitrox_pf_sw_cleanup(ndev);
|
||||
ioremap_err:
|
||||
nitrox_remove_from_devlist(ndev);
|
||||
kfree(ndev);
|
||||
pci_set_drvdata(pdev, NULL);
|
||||
ndev_fail:
|
||||
pci_release_mem_regions(pdev);
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_remove - Unbind the driver from the device.
|
||||
* @pdev: PCI device information struct
|
||||
*/
|
||||
static void nitrox_remove(struct pci_dev *pdev)
|
||||
{
|
||||
struct nitrox_device *ndev = pci_get_drvdata(pdev);
|
||||
|
||||
if (!ndev)
|
||||
return;
|
||||
|
||||
if (!refcount_dec_and_test(&ndev->refcnt)) {
|
||||
dev_err(DEV(ndev), "Device refcnt not zero (%d)\n",
|
||||
refcount_read(&ndev->refcnt));
|
||||
return;
|
||||
}
|
||||
|
||||
dev_info(DEV(ndev), "Removing Device %x:%x\n",
|
||||
ndev->hw.vendor_id, ndev->hw.device_id);
|
||||
|
||||
clear_bit(NITROX_READY, &ndev->status);
|
||||
/* barrier to sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
|
||||
nitrox_remove_from_devlist(ndev);
|
||||
nitrox_crypto_unregister();
|
||||
nitrox_debugfs_exit(ndev);
|
||||
nitrox_pf_sw_cleanup(ndev);
|
||||
|
||||
iounmap(ndev->bar_addr);
|
||||
kfree(ndev);
|
||||
|
||||
pci_set_drvdata(pdev, NULL);
|
||||
pci_release_mem_regions(pdev);
|
||||
pci_disable_device(pdev);
|
||||
}
|
||||
|
||||
static void nitrox_shutdown(struct pci_dev *pdev)
|
||||
{
|
||||
pci_set_drvdata(pdev, NULL);
|
||||
pci_release_mem_regions(pdev);
|
||||
pci_disable_device(pdev);
|
||||
}
|
||||
|
||||
static struct pci_driver nitrox_driver = {
|
||||
.name = nitrox_driver_name,
|
||||
.id_table = nitrox_pci_tbl,
|
||||
.probe = nitrox_probe,
|
||||
.remove = nitrox_remove,
|
||||
.shutdown = nitrox_shutdown,
|
||||
};
|
||||
|
||||
module_pci_driver(nitrox_driver);
|
||||
|
||||
MODULE_AUTHOR("Srikanth Jampala <Jampala.Srikanth@cavium.com>");
|
||||
MODULE_DESCRIPTION("Cavium CNN55XX PF Driver" DRIVER_VERSION " ");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_VERSION(DRIVER_VERSION);
|
||||
MODULE_FIRMWARE(SE_FW);
|
445
drivers/crypto/cavium/nitrox/nitrox_req.h
Normal file
445
drivers/crypto/cavium/nitrox/nitrox_req.h
Normal file
@ -0,0 +1,445 @@
|
||||
#ifndef __NITROX_REQ_H
|
||||
#define __NITROX_REQ_H
|
||||
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <crypto/aes.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
|
||||
/**
|
||||
* struct gphdr - General purpose Header
|
||||
* @param0: first parameter.
|
||||
* @param1: second parameter.
|
||||
* @param2: third parameter.
|
||||
* @param3: fourth parameter.
|
||||
*
|
||||
* Params tell the iv and enc/dec data offsets.
|
||||
*/
|
||||
struct gphdr {
|
||||
__be16 param0;
|
||||
__be16 param1;
|
||||
__be16 param2;
|
||||
__be16 param3;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct se_req_ctrl - SE request information.
|
||||
* @arg: Minor number of the opcode
|
||||
* @ctxc: Context control.
|
||||
* @unca: Uncertainity enabled.
|
||||
* @info: Additional information for SE cores.
|
||||
* @ctxl: Context length in bytes.
|
||||
* @uddl: User defined data length
|
||||
*/
|
||||
union se_req_ctrl {
|
||||
u64 value;
|
||||
struct {
|
||||
u64 raz : 22;
|
||||
u64 arg : 8;
|
||||
u64 ctxc : 2;
|
||||
u64 unca : 1;
|
||||
u64 info : 3;
|
||||
u64 unc : 8;
|
||||
u64 ctxl : 12;
|
||||
u64 uddl : 8;
|
||||
} s;
|
||||
};
|
||||
|
||||
struct nitrox_sglist {
|
||||
u16 len;
|
||||
u16 raz0;
|
||||
u32 raz1;
|
||||
dma_addr_t dma;
|
||||
};
|
||||
|
||||
#define MAX_IV_LEN 16
|
||||
|
||||
/**
|
||||
* struct se_crypto_request - SE crypto request structure.
|
||||
* @opcode: Request opcode (enc/dec)
|
||||
* @flags: flags from crypto subsystem
|
||||
* @ctx_handle: Crypto context handle.
|
||||
* @gph: GP Header
|
||||
* @ctrl: Request Information.
|
||||
* @in: Input sglist
|
||||
* @out: Output sglist
|
||||
*/
|
||||
struct se_crypto_request {
|
||||
u8 opcode;
|
||||
gfp_t gfp;
|
||||
u32 flags;
|
||||
u64 ctx_handle;
|
||||
|
||||
struct gphdr gph;
|
||||
union se_req_ctrl ctrl;
|
||||
|
||||
u8 iv[MAX_IV_LEN];
|
||||
u16 ivsize;
|
||||
|
||||
struct scatterlist *src;
|
||||
struct scatterlist *dst;
|
||||
};
|
||||
|
||||
/* Crypto opcodes */
|
||||
#define FLEXI_CRYPTO_ENCRYPT_HMAC 0x33
|
||||
#define ENCRYPT 0
|
||||
#define DECRYPT 1
|
||||
|
||||
/* IV from context */
|
||||
#define IV_FROM_CTX 0
|
||||
/* IV from Input data */
|
||||
#define IV_FROM_DPTR 1
|
||||
|
||||
/**
|
||||
* cipher opcodes for firmware
|
||||
*/
|
||||
enum flexi_cipher {
|
||||
CIPHER_NULL = 0,
|
||||
CIPHER_3DES_CBC,
|
||||
CIPHER_3DES_ECB,
|
||||
CIPHER_AES_CBC,
|
||||
CIPHER_AES_ECB,
|
||||
CIPHER_AES_CFB,
|
||||
CIPHER_AES_CTR,
|
||||
CIPHER_AES_GCM,
|
||||
CIPHER_AES_XTS,
|
||||
CIPHER_AES_CCM,
|
||||
CIPHER_AES_CBC_CTS,
|
||||
CIPHER_AES_ECB_CTS,
|
||||
CIPHER_INVALID
|
||||
};
|
||||
|
||||
/**
|
||||
* struct crypto_keys - Crypto keys
|
||||
* @key: Encryption key or KEY1 for AES-XTS
|
||||
* @iv: Encryption IV or Tweak for AES-XTS
|
||||
*/
|
||||
struct crypto_keys {
|
||||
union {
|
||||
u8 key[AES_MAX_KEY_SIZE];
|
||||
u8 key1[AES_MAX_KEY_SIZE];
|
||||
} u;
|
||||
u8 iv[AES_BLOCK_SIZE];
|
||||
};
|
||||
|
||||
/**
|
||||
* struct auth_keys - Authentication keys
|
||||
* @ipad: IPAD or KEY2 for AES-XTS
|
||||
* @opad: OPAD or AUTH KEY if auth_input_type = 1
|
||||
*/
|
||||
struct auth_keys {
|
||||
union {
|
||||
u8 ipad[64];
|
||||
u8 key2[64];
|
||||
} u;
|
||||
u8 opad[64];
|
||||
};
|
||||
|
||||
/**
|
||||
* struct flexi_crypto_context - Crypto context
|
||||
* @cipher_type: Encryption cipher type
|
||||
* @aes_keylen: AES key length
|
||||
* @iv_source: Encryption IV source
|
||||
* @hash_type: Authentication type
|
||||
* @auth_input_type: Authentication input type
|
||||
* 1 - Authentication IV and KEY, microcode calculates OPAD/IPAD
|
||||
* 0 - Authentication OPAD/IPAD
|
||||
* @mac_len: mac length
|
||||
* @crypto: Crypto keys
|
||||
* @auth: Authentication keys
|
||||
*/
|
||||
struct flexi_crypto_context {
|
||||
union {
|
||||
__be64 flags;
|
||||
struct {
|
||||
#if defined(__BIG_ENDIAN_BITFIELD)
|
||||
u64 cipher_type : 4;
|
||||
u64 reserved_59 : 1;
|
||||
u64 aes_keylen : 2;
|
||||
u64 iv_source : 1;
|
||||
u64 hash_type : 4;
|
||||
u64 reserved_49_51 : 3;
|
||||
u64 auth_input_type: 1;
|
||||
u64 mac_len : 8;
|
||||
u64 reserved_0_39 : 40;
|
||||
#else
|
||||
u64 reserved_0_39 : 40;
|
||||
u64 mac_len : 8;
|
||||
u64 auth_input_type: 1;
|
||||
u64 reserved_49_51 : 3;
|
||||
u64 hash_type : 4;
|
||||
u64 iv_source : 1;
|
||||
u64 aes_keylen : 2;
|
||||
u64 reserved_59 : 1;
|
||||
u64 cipher_type : 4;
|
||||
#endif
|
||||
} w0;
|
||||
};
|
||||
|
||||
struct crypto_keys crypto;
|
||||
struct auth_keys auth;
|
||||
};
|
||||
|
||||
struct nitrox_crypto_ctx {
|
||||
struct nitrox_device *ndev;
|
||||
union {
|
||||
u64 ctx_handle;
|
||||
struct flexi_crypto_context *fctx;
|
||||
} u;
|
||||
};
|
||||
|
||||
struct nitrox_kcrypt_request {
|
||||
struct se_crypto_request creq;
|
||||
struct nitrox_crypto_ctx *nctx;
|
||||
struct skcipher_request *skreq;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct pkt_instr_hdr - Packet Instruction Header
|
||||
* @g: Gather used
|
||||
* When [G] is set and [GSZ] != 0, the instruction is
|
||||
* indirect gather instruction.
|
||||
* When [G] is set and [GSZ] = 0, the instruction is
|
||||
* direct gather instruction.
|
||||
* @gsz: Number of pointers in the indirect gather list
|
||||
* @ihi: When set hardware duplicates the 1st 8 bytes of pkt_instr_hdr
|
||||
* and adds them to the packet after the pkt_instr_hdr but before any UDD
|
||||
* @ssz: Not used by the input hardware. But can become slc_store_int[SSZ]
|
||||
* when [IHI] is set.
|
||||
* @fsz: The number of front data bytes directly included in the
|
||||
* PCIe instruction.
|
||||
* @tlen: The length of the input packet in bytes, include:
|
||||
* - 16B pkt_hdr
|
||||
* - Inline context bytes if any,
|
||||
* - UDD if any,
|
||||
* - packet payload bytes
|
||||
*/
|
||||
union pkt_instr_hdr {
|
||||
u64 value;
|
||||
struct {
|
||||
#if defined(__BIG_ENDIAN_BITFIELD)
|
||||
u64 raz_48_63 : 16;
|
||||
u64 g : 1;
|
||||
u64 gsz : 7;
|
||||
u64 ihi : 1;
|
||||
u64 ssz : 7;
|
||||
u64 raz_30_31 : 2;
|
||||
u64 fsz : 6;
|
||||
u64 raz_16_23 : 8;
|
||||
u64 tlen : 16;
|
||||
#else
|
||||
u64 tlen : 16;
|
||||
u64 raz_16_23 : 8;
|
||||
u64 fsz : 6;
|
||||
u64 raz_30_31 : 2;
|
||||
u64 ssz : 7;
|
||||
u64 ihi : 1;
|
||||
u64 gsz : 7;
|
||||
u64 g : 1;
|
||||
u64 raz_48_63 : 16;
|
||||
#endif
|
||||
} s;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct pkt_hdr - Packet Input Header
|
||||
* @opcode: Request opcode (Major)
|
||||
* @arg: Request opcode (Minor)
|
||||
* @ctxc: Context control.
|
||||
* @unca: When set [UNC] is the uncertainty count for an input packet.
|
||||
* The hardware uses uncertainty counts to predict
|
||||
* output buffer use and avoid deadlock.
|
||||
* @info: Not used by input hardware. Available for use
|
||||
* during SE processing.
|
||||
* @destport: The expected destination port/ring/channel for the packet.
|
||||
* @unc: Uncertainty count for an input packet.
|
||||
* @grp: SE group that will process the input packet.
|
||||
* @ctxl: Context Length in 64-bit words.
|
||||
* @uddl: User-defined data (UDD) length in bytes.
|
||||
* @ctxp: Context pointer. CTXP<63,2:0> must be zero in all cases.
|
||||
*/
|
||||
union pkt_hdr {
|
||||
u64 value[2];
|
||||
struct {
|
||||
#if defined(__BIG_ENDIAN_BITFIELD)
|
||||
u64 opcode : 8;
|
||||
u64 arg : 8;
|
||||
u64 ctxc : 2;
|
||||
u64 unca : 1;
|
||||
u64 raz_44 : 1;
|
||||
u64 info : 3;
|
||||
u64 destport : 9;
|
||||
u64 unc : 8;
|
||||
u64 raz_19_23 : 5;
|
||||
u64 grp : 3;
|
||||
u64 raz_15 : 1;
|
||||
u64 ctxl : 7;
|
||||
u64 uddl : 8;
|
||||
#else
|
||||
u64 uddl : 8;
|
||||
u64 ctxl : 7;
|
||||
u64 raz_15 : 1;
|
||||
u64 grp : 3;
|
||||
u64 raz_19_23 : 5;
|
||||
u64 unc : 8;
|
||||
u64 destport : 9;
|
||||
u64 info : 3;
|
||||
u64 raz_44 : 1;
|
||||
u64 unca : 1;
|
||||
u64 ctxc : 2;
|
||||
u64 arg : 8;
|
||||
u64 opcode : 8;
|
||||
#endif
|
||||
__be64 ctxp;
|
||||
} s;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct slc_store_info - Solicited Paceket Output Store Information.
|
||||
* @ssz: The number of scatterlist pointers for the solicited output port
|
||||
* packet.
|
||||
* @rptr: The result pointer for the solicited output port packet.
|
||||
* If [SSZ]=0, [RPTR] must point directly to a buffer on the remote
|
||||
* host that is large enough to hold the entire output packet.
|
||||
* If [SSZ]!=0, [RPTR] must point to an array of ([SSZ]+3)/4
|
||||
* sglist components at [RPTR] on the remote host.
|
||||
*/
|
||||
union slc_store_info {
|
||||
u64 value[2];
|
||||
struct {
|
||||
#if defined(__BIG_ENDIAN_BITFIELD)
|
||||
u64 raz_39_63 : 25;
|
||||
u64 ssz : 7;
|
||||
u64 raz_0_31 : 32;
|
||||
#else
|
||||
u64 raz_0_31 : 32;
|
||||
u64 ssz : 7;
|
||||
u64 raz_39_63 : 25;
|
||||
#endif
|
||||
__be64 rptr;
|
||||
} s;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct nps_pkt_instr - NPS Packet Instruction of SE cores.
|
||||
* @dptr0 : Input pointer points to buffer in remote host.
|
||||
* @ih: Packet Instruction Header (8 bytes)
|
||||
* @irh: Packet Input Header (16 bytes)
|
||||
* @slc: Solicited Packet Output Store Information (16 bytes)
|
||||
* @fdata: Front data
|
||||
*
|
||||
* 64-Byte Instruction Format
|
||||
*/
|
||||
struct nps_pkt_instr {
|
||||
__be64 dptr0;
|
||||
union pkt_instr_hdr ih;
|
||||
union pkt_hdr irh;
|
||||
union slc_store_info slc;
|
||||
u64 fdata[2];
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ctx_hdr - Book keeping data about the crypto context
|
||||
* @pool: Pool used to allocate crypto context
|
||||
* @dma: Base DMA address of the cypto context
|
||||
* @ctx_dma: Actual usable crypto context for NITROX
|
||||
*/
|
||||
struct ctx_hdr {
|
||||
struct dma_pool *pool;
|
||||
dma_addr_t dma;
|
||||
dma_addr_t ctx_dma;
|
||||
};
|
||||
|
||||
/*
|
||||
* struct sglist_component - SG list component format
|
||||
* @len0: The number of bytes at [PTR0] on the remote host.
|
||||
* @len1: The number of bytes at [PTR1] on the remote host.
|
||||
* @len2: The number of bytes at [PTR2] on the remote host.
|
||||
* @len3: The number of bytes at [PTR3] on the remote host.
|
||||
* @dma0: First pointer point to buffer in remote host.
|
||||
* @dma1: Second pointer point to buffer in remote host.
|
||||
* @dma2: Third pointer point to buffer in remote host.
|
||||
* @dma3: Fourth pointer point to buffer in remote host.
|
||||
*/
|
||||
struct nitrox_sgcomp {
|
||||
__be16 len[4];
|
||||
__be64 dma[4];
|
||||
};
|
||||
|
||||
/*
|
||||
* strutct nitrox_sgtable - SG list information
|
||||
* @map_cnt: Number of buffers mapped
|
||||
* @nr_comp: Number of sglist components
|
||||
* @total_bytes: Total bytes in sglist.
|
||||
* @len: Total sglist components length.
|
||||
* @dma: DMA address of sglist component.
|
||||
* @dir: DMA direction.
|
||||
* @buf: crypto request buffer.
|
||||
* @sglist: SG list of input/output buffers.
|
||||
* @sgcomp: sglist component for NITROX.
|
||||
*/
|
||||
struct nitrox_sgtable {
|
||||
u8 map_bufs_cnt;
|
||||
u8 nr_sgcomp;
|
||||
u16 total_bytes;
|
||||
u32 len;
|
||||
dma_addr_t dma;
|
||||
enum dma_data_direction dir;
|
||||
|
||||
struct scatterlist *buf;
|
||||
struct nitrox_sglist *sglist;
|
||||
struct nitrox_sgcomp *sgcomp;
|
||||
};
|
||||
|
||||
/* Response Header Length */
|
||||
#define ORH_HLEN 8
|
||||
/* Completion bytes Length */
|
||||
#define COMP_HLEN 8
|
||||
|
||||
struct resp_hdr {
|
||||
u64 orh;
|
||||
dma_addr_t orh_dma;
|
||||
u64 completion;
|
||||
dma_addr_t completion_dma;
|
||||
};
|
||||
|
||||
typedef void (*completion_t)(struct skcipher_request *skreq, int err);
|
||||
|
||||
/**
|
||||
* struct nitrox_softreq - Represents the NIROX Request.
|
||||
* @response: response list entry
|
||||
* @backlog: Backlog list entry
|
||||
* @ndev: Device used to submit the request
|
||||
* @cmdq: Command queue for submission
|
||||
* @resp: Response headers
|
||||
* @instr: 64B instruction
|
||||
* @in: SG table for input
|
||||
* @out SG table for output
|
||||
* @tstamp: Request submitted time in jiffies
|
||||
* @callback: callback after request completion/timeout
|
||||
* @cb_arg: callback argument
|
||||
*/
|
||||
struct nitrox_softreq {
|
||||
struct list_head response;
|
||||
struct list_head backlog;
|
||||
|
||||
u32 flags;
|
||||
gfp_t gfp;
|
||||
atomic_t status;
|
||||
bool inplace;
|
||||
|
||||
struct nitrox_device *ndev;
|
||||
struct nitrox_cmdq *cmdq;
|
||||
|
||||
struct nps_pkt_instr instr;
|
||||
struct resp_hdr resp;
|
||||
struct nitrox_sgtable in;
|
||||
struct nitrox_sgtable out;
|
||||
|
||||
unsigned long tstamp;
|
||||
|
||||
completion_t callback;
|
||||
struct skcipher_request *skreq;
|
||||
};
|
||||
|
||||
#endif /* __NITROX_REQ_H */
|
735
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
Normal file
735
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
Normal file
@ -0,0 +1,735 @@
|
||||
#include <linux/gfp.h>
|
||||
#include <linux/workqueue.h>
|
||||
#include <crypto/internal/skcipher.h>
|
||||
|
||||
#include "nitrox_dev.h"
|
||||
#include "nitrox_req.h"
|
||||
#include "nitrox_csr.h"
|
||||
#include "nitrox_req.h"
|
||||
|
||||
/* SLC_STORE_INFO */
|
||||
#define MIN_UDD_LEN 16
|
||||
/* PKT_IN_HDR + SLC_STORE_INFO */
|
||||
#define FDATA_SIZE 32
|
||||
/* Base destination port for the solicited requests */
|
||||
#define SOLICIT_BASE_DPORT 256
|
||||
#define PENDING_SIG 0xFFFFFFFFFFFFFFFFUL
|
||||
|
||||
#define REQ_NOT_POSTED 1
|
||||
#define REQ_BACKLOG 2
|
||||
#define REQ_POSTED 3
|
||||
|
||||
/**
|
||||
* Response codes from SE microcode
|
||||
* 0x00 - Success
|
||||
* Completion with no error
|
||||
* 0x43 - ERR_GC_DATA_LEN_INVALID
|
||||
* Invalid Data length if Encryption Data length is
|
||||
* less than 16 bytes for AES-XTS and AES-CTS.
|
||||
* 0x45 - ERR_GC_CTX_LEN_INVALID
|
||||
* Invalid context length: CTXL != 23 words.
|
||||
* 0x4F - ERR_GC_DOCSIS_CIPHER_INVALID
|
||||
* DOCSIS support is enabled with other than
|
||||
* AES/DES-CBC mode encryption.
|
||||
* 0x50 - ERR_GC_DOCSIS_OFFSET_INVALID
|
||||
* Authentication offset is other than 0 with
|
||||
* Encryption IV source = 0.
|
||||
* Authentication offset is other than 8 (DES)/16 (AES)
|
||||
* with Encryption IV source = 1
|
||||
* 0x51 - ERR_GC_CRC32_INVALID_SELECTION
|
||||
* CRC32 is enabled for other than DOCSIS encryption.
|
||||
* 0x52 - ERR_GC_AES_CCM_FLAG_INVALID
|
||||
* Invalid flag options in AES-CCM IV.
|
||||
*/
|
||||
|
||||
/**
|
||||
* dma_free_sglist - unmap and free the sg lists.
|
||||
* @ndev: N5 device
|
||||
* @sgtbl: SG table
|
||||
*/
|
||||
static void softreq_unmap_sgbufs(struct nitrox_softreq *sr)
|
||||
{
|
||||
struct nitrox_device *ndev = sr->ndev;
|
||||
struct device *dev = DEV(ndev);
|
||||
struct nitrox_sglist *sglist;
|
||||
|
||||
/* unmap in sgbuf */
|
||||
sglist = sr->in.sglist;
|
||||
if (!sglist)
|
||||
goto out_unmap;
|
||||
|
||||
/* unmap iv */
|
||||
dma_unmap_single(dev, sglist->dma, sglist->len, DMA_BIDIRECTIONAL);
|
||||
/* unmpa src sglist */
|
||||
dma_unmap_sg(dev, sr->in.buf, (sr->in.map_bufs_cnt - 1), sr->in.dir);
|
||||
/* unamp gather component */
|
||||
dma_unmap_single(dev, sr->in.dma, sr->in.len, DMA_TO_DEVICE);
|
||||
kfree(sr->in.sglist);
|
||||
kfree(sr->in.sgcomp);
|
||||
sr->in.sglist = NULL;
|
||||
sr->in.buf = NULL;
|
||||
sr->in.map_bufs_cnt = 0;
|
||||
|
||||
out_unmap:
|
||||
/* unmap out sgbuf */
|
||||
sglist = sr->out.sglist;
|
||||
if (!sglist)
|
||||
return;
|
||||
|
||||
/* unmap orh */
|
||||
dma_unmap_single(dev, sr->resp.orh_dma, ORH_HLEN, sr->out.dir);
|
||||
|
||||
/* unmap dst sglist */
|
||||
if (!sr->inplace) {
|
||||
dma_unmap_sg(dev, sr->out.buf, (sr->out.map_bufs_cnt - 3),
|
||||
sr->out.dir);
|
||||
}
|
||||
/* unmap completion */
|
||||
dma_unmap_single(dev, sr->resp.completion_dma, COMP_HLEN, sr->out.dir);
|
||||
|
||||
/* unmap scatter component */
|
||||
dma_unmap_single(dev, sr->out.dma, sr->out.len, DMA_TO_DEVICE);
|
||||
kfree(sr->out.sglist);
|
||||
kfree(sr->out.sgcomp);
|
||||
sr->out.sglist = NULL;
|
||||
sr->out.buf = NULL;
|
||||
sr->out.map_bufs_cnt = 0;
|
||||
}
|
||||
|
||||
static void softreq_destroy(struct nitrox_softreq *sr)
|
||||
{
|
||||
softreq_unmap_sgbufs(sr);
|
||||
kfree(sr);
|
||||
}
|
||||
|
||||
/**
|
||||
* create_sg_component - create SG componets for N5 device.
|
||||
* @sr: Request structure
|
||||
* @sgtbl: SG table
|
||||
* @nr_comp: total number of components required
|
||||
*
|
||||
* Component structure
|
||||
*
|
||||
* 63 48 47 32 31 16 15 0
|
||||
* --------------------------------------
|
||||
* | LEN0 | LEN1 | LEN2 | LEN3 |
|
||||
* |-------------------------------------
|
||||
* | PTR0 |
|
||||
* --------------------------------------
|
||||
* | PTR1 |
|
||||
* --------------------------------------
|
||||
* | PTR2 |
|
||||
* --------------------------------------
|
||||
* | PTR3 |
|
||||
* --------------------------------------
|
||||
*
|
||||
* Returns 0 if success or a negative errno code on error.
|
||||
*/
|
||||
static int create_sg_component(struct nitrox_softreq *sr,
|
||||
struct nitrox_sgtable *sgtbl, int map_nents)
|
||||
{
|
||||
struct nitrox_device *ndev = sr->ndev;
|
||||
struct nitrox_sgcomp *sgcomp;
|
||||
struct nitrox_sglist *sglist;
|
||||
dma_addr_t dma;
|
||||
size_t sz_comp;
|
||||
int i, j, nr_sgcomp;
|
||||
|
||||
nr_sgcomp = roundup(map_nents, 4) / 4;
|
||||
|
||||
/* each component holds 4 dma pointers */
|
||||
sz_comp = nr_sgcomp * sizeof(*sgcomp);
|
||||
sgcomp = kzalloc(sz_comp, sr->gfp);
|
||||
if (!sgcomp)
|
||||
return -ENOMEM;
|
||||
|
||||
sgtbl->sgcomp = sgcomp;
|
||||
sgtbl->nr_sgcomp = nr_sgcomp;
|
||||
|
||||
sglist = sgtbl->sglist;
|
||||
/* populate device sg component */
|
||||
for (i = 0; i < nr_sgcomp; i++) {
|
||||
for (j = 0; j < 4; j++) {
|
||||
sgcomp->len[j] = cpu_to_be16(sglist->len);
|
||||
sgcomp->dma[j] = cpu_to_be64(sglist->dma);
|
||||
sglist++;
|
||||
}
|
||||
sgcomp++;
|
||||
}
|
||||
/* map the device sg component */
|
||||
dma = dma_map_single(DEV(ndev), sgtbl->sgcomp, sz_comp, DMA_TO_DEVICE);
|
||||
if (dma_mapping_error(DEV(ndev), dma)) {
|
||||
kfree(sgtbl->sgcomp);
|
||||
sgtbl->sgcomp = NULL;
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
sgtbl->dma = dma;
|
||||
sgtbl->len = sz_comp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* dma_map_inbufs - DMA map input sglist and creates sglist component
|
||||
* for N5 device.
|
||||
* @sr: Request structure
|
||||
* @req: Crypto request structre
|
||||
*
|
||||
* Returns 0 if successful or a negative errno code on error.
|
||||
*/
|
||||
static int dma_map_inbufs(struct nitrox_softreq *sr,
|
||||
struct se_crypto_request *req)
|
||||
{
|
||||
struct device *dev = DEV(sr->ndev);
|
||||
struct scatterlist *sg = req->src;
|
||||
struct nitrox_sglist *glist;
|
||||
int i, nents, ret = 0;
|
||||
dma_addr_t dma;
|
||||
size_t sz;
|
||||
|
||||
nents = sg_nents(req->src);
|
||||
|
||||
/* creater gather list IV and src entries */
|
||||
sz = roundup((1 + nents), 4) * sizeof(*glist);
|
||||
glist = kzalloc(sz, sr->gfp);
|
||||
if (!glist)
|
||||
return -ENOMEM;
|
||||
|
||||
sr->in.sglist = glist;
|
||||
/* map IV */
|
||||
dma = dma_map_single(dev, &req->iv, req->ivsize, DMA_BIDIRECTIONAL);
|
||||
if (dma_mapping_error(dev, dma)) {
|
||||
ret = -EINVAL;
|
||||
goto iv_map_err;
|
||||
}
|
||||
|
||||
sr->in.dir = (req->src == req->dst) ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
|
||||
/* map src entries */
|
||||
nents = dma_map_sg(dev, req->src, nents, sr->in.dir);
|
||||
if (!nents) {
|
||||
ret = -EINVAL;
|
||||
goto src_map_err;
|
||||
}
|
||||
sr->in.buf = req->src;
|
||||
|
||||
/* store the mappings */
|
||||
glist->len = req->ivsize;
|
||||
glist->dma = dma;
|
||||
glist++;
|
||||
sr->in.total_bytes += req->ivsize;
|
||||
|
||||
for_each_sg(req->src, sg, nents, i) {
|
||||
glist->len = sg_dma_len(sg);
|
||||
glist->dma = sg_dma_address(sg);
|
||||
sr->in.total_bytes += glist->len;
|
||||
glist++;
|
||||
}
|
||||
/* roundup map count to align with entires in sg component */
|
||||
sr->in.map_bufs_cnt = (1 + nents);
|
||||
|
||||
/* create NITROX gather component */
|
||||
ret = create_sg_component(sr, &sr->in, sr->in.map_bufs_cnt);
|
||||
if (ret)
|
||||
goto incomp_err;
|
||||
|
||||
return 0;
|
||||
|
||||
incomp_err:
|
||||
dma_unmap_sg(dev, req->src, nents, sr->in.dir);
|
||||
sr->in.map_bufs_cnt = 0;
|
||||
src_map_err:
|
||||
dma_unmap_single(dev, dma, req->ivsize, DMA_BIDIRECTIONAL);
|
||||
iv_map_err:
|
||||
kfree(sr->in.sglist);
|
||||
sr->in.sglist = NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int dma_map_outbufs(struct nitrox_softreq *sr,
|
||||
struct se_crypto_request *req)
|
||||
{
|
||||
struct device *dev = DEV(sr->ndev);
|
||||
struct nitrox_sglist *glist = sr->in.sglist;
|
||||
struct nitrox_sglist *slist;
|
||||
struct scatterlist *sg;
|
||||
int i, nents, map_bufs_cnt, ret = 0;
|
||||
size_t sz;
|
||||
|
||||
nents = sg_nents(req->dst);
|
||||
|
||||
/* create scatter list ORH, IV, dst entries and Completion header */
|
||||
sz = roundup((3 + nents), 4) * sizeof(*slist);
|
||||
slist = kzalloc(sz, sr->gfp);
|
||||
if (!slist)
|
||||
return -ENOMEM;
|
||||
|
||||
sr->out.sglist = slist;
|
||||
sr->out.dir = DMA_BIDIRECTIONAL;
|
||||
/* map ORH */
|
||||
sr->resp.orh_dma = dma_map_single(dev, &sr->resp.orh, ORH_HLEN,
|
||||
sr->out.dir);
|
||||
if (dma_mapping_error(dev, sr->resp.orh_dma)) {
|
||||
ret = -EINVAL;
|
||||
goto orh_map_err;
|
||||
}
|
||||
|
||||
/* map completion */
|
||||
sr->resp.completion_dma = dma_map_single(dev, &sr->resp.completion,
|
||||
COMP_HLEN, sr->out.dir);
|
||||
if (dma_mapping_error(dev, sr->resp.completion_dma)) {
|
||||
ret = -EINVAL;
|
||||
goto compl_map_err;
|
||||
}
|
||||
|
||||
sr->inplace = (req->src == req->dst) ? true : false;
|
||||
/* out place */
|
||||
if (!sr->inplace) {
|
||||
nents = dma_map_sg(dev, req->dst, nents, sr->out.dir);
|
||||
if (!nents) {
|
||||
ret = -EINVAL;
|
||||
goto dst_map_err;
|
||||
}
|
||||
}
|
||||
sr->out.buf = req->dst;
|
||||
|
||||
/* store the mappings */
|
||||
/* orh */
|
||||
slist->len = ORH_HLEN;
|
||||
slist->dma = sr->resp.orh_dma;
|
||||
slist++;
|
||||
|
||||
/* copy the glist mappings */
|
||||
if (sr->inplace) {
|
||||
nents = sr->in.map_bufs_cnt - 1;
|
||||
map_bufs_cnt = sr->in.map_bufs_cnt;
|
||||
while (map_bufs_cnt--) {
|
||||
slist->len = glist->len;
|
||||
slist->dma = glist->dma;
|
||||
slist++;
|
||||
glist++;
|
||||
}
|
||||
} else {
|
||||
/* copy iv mapping */
|
||||
slist->len = glist->len;
|
||||
slist->dma = glist->dma;
|
||||
slist++;
|
||||
/* copy remaining maps */
|
||||
for_each_sg(req->dst, sg, nents, i) {
|
||||
slist->len = sg_dma_len(sg);
|
||||
slist->dma = sg_dma_address(sg);
|
||||
slist++;
|
||||
}
|
||||
}
|
||||
|
||||
/* completion */
|
||||
slist->len = COMP_HLEN;
|
||||
slist->dma = sr->resp.completion_dma;
|
||||
|
||||
sr->out.map_bufs_cnt = (3 + nents);
|
||||
|
||||
ret = create_sg_component(sr, &sr->out, sr->out.map_bufs_cnt);
|
||||
if (ret)
|
||||
goto outcomp_map_err;
|
||||
|
||||
return 0;
|
||||
|
||||
outcomp_map_err:
|
||||
if (!sr->inplace)
|
||||
dma_unmap_sg(dev, req->dst, nents, sr->out.dir);
|
||||
sr->out.map_bufs_cnt = 0;
|
||||
sr->out.buf = NULL;
|
||||
dst_map_err:
|
||||
dma_unmap_single(dev, sr->resp.completion_dma, COMP_HLEN, sr->out.dir);
|
||||
sr->resp.completion_dma = 0;
|
||||
compl_map_err:
|
||||
dma_unmap_single(dev, sr->resp.orh_dma, ORH_HLEN, sr->out.dir);
|
||||
sr->resp.orh_dma = 0;
|
||||
orh_map_err:
|
||||
kfree(sr->out.sglist);
|
||||
sr->out.sglist = NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline int softreq_map_iobuf(struct nitrox_softreq *sr,
|
||||
struct se_crypto_request *creq)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = dma_map_inbufs(sr, creq);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = dma_map_outbufs(sr, creq);
|
||||
if (ret)
|
||||
softreq_unmap_sgbufs(sr);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline void backlog_list_add(struct nitrox_softreq *sr,
|
||||
struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
INIT_LIST_HEAD(&sr->backlog);
|
||||
|
||||
spin_lock_bh(&cmdq->backlog_lock);
|
||||
list_add_tail(&sr->backlog, &cmdq->backlog_head);
|
||||
atomic_inc(&cmdq->backlog_count);
|
||||
atomic_set(&sr->status, REQ_BACKLOG);
|
||||
spin_unlock_bh(&cmdq->backlog_lock);
|
||||
}
|
||||
|
||||
static inline void response_list_add(struct nitrox_softreq *sr,
|
||||
struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
INIT_LIST_HEAD(&sr->response);
|
||||
|
||||
spin_lock_bh(&cmdq->response_lock);
|
||||
list_add_tail(&sr->response, &cmdq->response_head);
|
||||
spin_unlock_bh(&cmdq->response_lock);
|
||||
}
|
||||
|
||||
static inline void response_list_del(struct nitrox_softreq *sr,
|
||||
struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
spin_lock_bh(&cmdq->response_lock);
|
||||
list_del(&sr->response);
|
||||
spin_unlock_bh(&cmdq->response_lock);
|
||||
}
|
||||
|
||||
static struct nitrox_softreq *
|
||||
get_first_response_entry(struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
return list_first_entry_or_null(&cmdq->response_head,
|
||||
struct nitrox_softreq, response);
|
||||
}
|
||||
|
||||
static inline bool cmdq_full(struct nitrox_cmdq *cmdq, int qlen)
|
||||
{
|
||||
if (atomic_inc_return(&cmdq->pending_count) > qlen) {
|
||||
atomic_dec(&cmdq->pending_count);
|
||||
/* sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* post_se_instr - Post SE instruction to Packet Input ring
|
||||
* @sr: Request structure
|
||||
*
|
||||
* Returns 0 if successful or a negative error code,
|
||||
* if no space in ring.
|
||||
*/
|
||||
static void post_se_instr(struct nitrox_softreq *sr,
|
||||
struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
struct nitrox_device *ndev = sr->ndev;
|
||||
union nps_pkt_in_instr_baoff_dbell pkt_in_baoff_dbell;
|
||||
u64 offset;
|
||||
u8 *ent;
|
||||
|
||||
spin_lock_bh(&cmdq->cmdq_lock);
|
||||
|
||||
/* get the next write offset */
|
||||
offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(cmdq->qno);
|
||||
pkt_in_baoff_dbell.value = nitrox_read_csr(ndev, offset);
|
||||
/* copy the instruction */
|
||||
ent = cmdq->head + pkt_in_baoff_dbell.s.aoff;
|
||||
memcpy(ent, &sr->instr, cmdq->instr_size);
|
||||
/* flush the command queue updates */
|
||||
dma_wmb();
|
||||
|
||||
sr->tstamp = jiffies;
|
||||
atomic_set(&sr->status, REQ_POSTED);
|
||||
response_list_add(sr, cmdq);
|
||||
|
||||
/* Ring doorbell with count 1 */
|
||||
writeq(1, cmdq->dbell_csr_addr);
|
||||
/* orders the doorbell rings */
|
||||
mmiowb();
|
||||
|
||||
spin_unlock_bh(&cmdq->cmdq_lock);
|
||||
}
|
||||
|
||||
static int post_backlog_cmds(struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
struct nitrox_device *ndev = cmdq->ndev;
|
||||
struct nitrox_softreq *sr, *tmp;
|
||||
int ret = 0;
|
||||
|
||||
spin_lock_bh(&cmdq->backlog_lock);
|
||||
|
||||
list_for_each_entry_safe(sr, tmp, &cmdq->backlog_head, backlog) {
|
||||
struct skcipher_request *skreq;
|
||||
|
||||
/* submit until space available */
|
||||
if (unlikely(cmdq_full(cmdq, ndev->qlen))) {
|
||||
ret = -EBUSY;
|
||||
break;
|
||||
}
|
||||
/* delete from backlog list */
|
||||
list_del(&sr->backlog);
|
||||
atomic_dec(&cmdq->backlog_count);
|
||||
/* sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
|
||||
skreq = sr->skreq;
|
||||
/* post the command */
|
||||
post_se_instr(sr, cmdq);
|
||||
|
||||
/* backlog requests are posted, wakeup with -EINPROGRESS */
|
||||
skcipher_request_complete(skreq, -EINPROGRESS);
|
||||
}
|
||||
spin_unlock_bh(&cmdq->backlog_lock);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int nitrox_enqueue_request(struct nitrox_softreq *sr)
|
||||
{
|
||||
struct nitrox_cmdq *cmdq = sr->cmdq;
|
||||
struct nitrox_device *ndev = sr->ndev;
|
||||
int ret = -EBUSY;
|
||||
|
||||
if (unlikely(cmdq_full(cmdq, ndev->qlen))) {
|
||||
if (!(sr->flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
|
||||
return -EAGAIN;
|
||||
|
||||
backlog_list_add(sr, cmdq);
|
||||
} else {
|
||||
ret = post_backlog_cmds(cmdq);
|
||||
if (ret) {
|
||||
backlog_list_add(sr, cmdq);
|
||||
return ret;
|
||||
}
|
||||
post_se_instr(sr, cmdq);
|
||||
ret = -EINPROGRESS;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* nitrox_se_request - Send request to SE core
|
||||
* @ndev: NITROX device
|
||||
* @req: Crypto request
|
||||
*
|
||||
* Returns 0 on success, or a negative error code.
|
||||
*/
|
||||
int nitrox_process_se_request(struct nitrox_device *ndev,
|
||||
struct se_crypto_request *req,
|
||||
completion_t callback,
|
||||
struct skcipher_request *skreq)
|
||||
{
|
||||
struct nitrox_softreq *sr;
|
||||
dma_addr_t ctx_handle = 0;
|
||||
int qno, ret = 0;
|
||||
|
||||
if (!nitrox_ready(ndev))
|
||||
return -ENODEV;
|
||||
|
||||
sr = kzalloc(sizeof(*sr), req->gfp);
|
||||
if (!sr)
|
||||
return -ENOMEM;
|
||||
|
||||
sr->ndev = ndev;
|
||||
sr->flags = req->flags;
|
||||
sr->gfp = req->gfp;
|
||||
sr->callback = callback;
|
||||
sr->skreq = skreq;
|
||||
|
||||
atomic_set(&sr->status, REQ_NOT_POSTED);
|
||||
|
||||
WRITE_ONCE(sr->resp.orh, PENDING_SIG);
|
||||
WRITE_ONCE(sr->resp.completion, PENDING_SIG);
|
||||
|
||||
ret = softreq_map_iobuf(sr, req);
|
||||
if (ret) {
|
||||
kfree(sr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* get the context handle */
|
||||
if (req->ctx_handle) {
|
||||
struct ctx_hdr *hdr;
|
||||
u8 *ctx_ptr;
|
||||
|
||||
ctx_ptr = (u8 *)(uintptr_t)req->ctx_handle;
|
||||
hdr = (struct ctx_hdr *)(ctx_ptr - sizeof(struct ctx_hdr));
|
||||
ctx_handle = hdr->ctx_dma;
|
||||
}
|
||||
|
||||
/* select the queue */
|
||||
qno = smp_processor_id() % ndev->nr_queues;
|
||||
|
||||
sr->cmdq = &ndev->pkt_cmdqs[qno];
|
||||
|
||||
/*
|
||||
* 64-Byte Instruction Format
|
||||
*
|
||||
* ----------------------
|
||||
* | DPTR0 | 8 bytes
|
||||
* ----------------------
|
||||
* | PKT_IN_INSTR_HDR | 8 bytes
|
||||
* ----------------------
|
||||
* | PKT_IN_HDR | 16 bytes
|
||||
* ----------------------
|
||||
* | SLC_INFO | 16 bytes
|
||||
* ----------------------
|
||||
* | Front data | 16 bytes
|
||||
* ----------------------
|
||||
*/
|
||||
|
||||
/* fill the packet instruction */
|
||||
/* word 0 */
|
||||
sr->instr.dptr0 = cpu_to_be64(sr->in.dma);
|
||||
|
||||
/* word 1 */
|
||||
sr->instr.ih.value = 0;
|
||||
sr->instr.ih.s.g = 1;
|
||||
sr->instr.ih.s.gsz = sr->in.map_bufs_cnt;
|
||||
sr->instr.ih.s.ssz = sr->out.map_bufs_cnt;
|
||||
sr->instr.ih.s.fsz = FDATA_SIZE + sizeof(struct gphdr);
|
||||
sr->instr.ih.s.tlen = sr->instr.ih.s.fsz + sr->in.total_bytes;
|
||||
sr->instr.ih.value = cpu_to_be64(sr->instr.ih.value);
|
||||
|
||||
/* word 2 */
|
||||
sr->instr.irh.value[0] = 0;
|
||||
sr->instr.irh.s.uddl = MIN_UDD_LEN;
|
||||
/* context length in 64-bit words */
|
||||
sr->instr.irh.s.ctxl = (req->ctrl.s.ctxl / 8);
|
||||
/* offset from solicit base port 256 */
|
||||
sr->instr.irh.s.destport = SOLICIT_BASE_DPORT + qno;
|
||||
sr->instr.irh.s.ctxc = req->ctrl.s.ctxc;
|
||||
sr->instr.irh.s.arg = req->ctrl.s.arg;
|
||||
sr->instr.irh.s.opcode = req->opcode;
|
||||
sr->instr.irh.value[0] = cpu_to_be64(sr->instr.irh.value[0]);
|
||||
|
||||
/* word 3 */
|
||||
sr->instr.irh.s.ctxp = cpu_to_be64(ctx_handle);
|
||||
|
||||
/* word 4 */
|
||||
sr->instr.slc.value[0] = 0;
|
||||
sr->instr.slc.s.ssz = sr->out.map_bufs_cnt;
|
||||
sr->instr.slc.value[0] = cpu_to_be64(sr->instr.slc.value[0]);
|
||||
|
||||
/* word 5 */
|
||||
sr->instr.slc.s.rptr = cpu_to_be64(sr->out.dma);
|
||||
|
||||
/*
|
||||
* No conversion for front data,
|
||||
* It goes into payload
|
||||
* put GP Header in front data
|
||||
*/
|
||||
sr->instr.fdata[0] = *((u64 *)&req->gph);
|
||||
sr->instr.fdata[1] = 0;
|
||||
/* flush the soft_req changes before posting the cmd */
|
||||
wmb();
|
||||
|
||||
ret = nitrox_enqueue_request(sr);
|
||||
if (ret == -EAGAIN)
|
||||
goto send_fail;
|
||||
|
||||
return ret;
|
||||
|
||||
send_fail:
|
||||
softreq_destroy(sr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline int cmd_timeout(unsigned long tstamp, unsigned long timeout)
|
||||
{
|
||||
return time_after_eq(jiffies, (tstamp + timeout));
|
||||
}
|
||||
|
||||
void backlog_qflush_work(struct work_struct *work)
|
||||
{
|
||||
struct nitrox_cmdq *cmdq;
|
||||
|
||||
cmdq = container_of(work, struct nitrox_cmdq, backlog_qflush);
|
||||
post_backlog_cmds(cmdq);
|
||||
}
|
||||
|
||||
/**
|
||||
* process_request_list - process completed requests
|
||||
* @ndev: N5 device
|
||||
* @qno: queue to operate
|
||||
*
|
||||
* Returns the number of responses processed.
|
||||
*/
|
||||
static void process_response_list(struct nitrox_cmdq *cmdq)
|
||||
{
|
||||
struct nitrox_device *ndev = cmdq->ndev;
|
||||
struct nitrox_softreq *sr;
|
||||
struct skcipher_request *skreq;
|
||||
completion_t callback;
|
||||
int req_completed = 0, err = 0, budget;
|
||||
|
||||
/* check all pending requests */
|
||||
budget = atomic_read(&cmdq->pending_count);
|
||||
|
||||
while (req_completed < budget) {
|
||||
sr = get_first_response_entry(cmdq);
|
||||
if (!sr)
|
||||
break;
|
||||
|
||||
if (atomic_read(&sr->status) != REQ_POSTED)
|
||||
break;
|
||||
|
||||
/* check orh and completion bytes updates */
|
||||
if (READ_ONCE(sr->resp.orh) == READ_ONCE(sr->resp.completion)) {
|
||||
/* request not completed, check for timeout */
|
||||
if (!cmd_timeout(sr->tstamp, ndev->timeout))
|
||||
break;
|
||||
dev_err_ratelimited(DEV(ndev),
|
||||
"Request timeout, orh 0x%016llx\n",
|
||||
READ_ONCE(sr->resp.orh));
|
||||
}
|
||||
atomic_dec(&cmdq->pending_count);
|
||||
/* sync with other cpus */
|
||||
smp_mb__after_atomic();
|
||||
/* remove from response list */
|
||||
response_list_del(sr, cmdq);
|
||||
|
||||
callback = sr->callback;
|
||||
skreq = sr->skreq;
|
||||
|
||||
/* ORH error code */
|
||||
err = READ_ONCE(sr->resp.orh) & 0xff;
|
||||
softreq_destroy(sr);
|
||||
|
||||
if (callback)
|
||||
callback(skreq, err);
|
||||
|
||||
req_completed++;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* pkt_slc_resp_handler - post processing of SE responses
|
||||
*/
|
||||
void pkt_slc_resp_handler(unsigned long data)
|
||||
{
|
||||
struct bh_data *bh = (void *)(uintptr_t)(data);
|
||||
struct nitrox_cmdq *cmdq = bh->cmdq;
|
||||
union nps_pkt_slc_cnts pkt_slc_cnts;
|
||||
|
||||
/* read completion count */
|
||||
pkt_slc_cnts.value = readq(bh->completion_cnt_csr_addr);
|
||||
/* resend the interrupt if more work to do */
|
||||
pkt_slc_cnts.s.resend = 1;
|
||||
|
||||
process_response_list(cmdq);
|
||||
|
||||
/*
|
||||
* clear the interrupt with resend bit enabled,
|
||||
* MSI-X interrupt generates if Completion count > Threshold
|
||||
*/
|
||||
writeq(pkt_slc_cnts.value, bh->completion_cnt_csr_addr);
|
||||
/* order the writes */
|
||||
mmiowb();
|
||||
|
||||
if (atomic_read(&cmdq->backlog_count))
|
||||
schedule_work(&cmdq->backlog_qflush);
|
||||
}
|
@ -4,7 +4,8 @@ ccp-objs := ccp-dev.o \
|
||||
ccp-dev-v3.o \
|
||||
ccp-dev-v5.o \
|
||||
ccp-platform.o \
|
||||
ccp-dmaengine.o
|
||||
ccp-dmaengine.o \
|
||||
ccp-debugfs.o
|
||||
ccp-$(CONFIG_PCI) += ccp-pci.o
|
||||
|
||||
obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o
|
||||
|
@ -18,6 +18,7 @@
|
||||
#include <linux/crypto.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/hash.h>
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <crypto/scatterwalk.h>
|
||||
@ -308,8 +309,8 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
|
||||
}
|
||||
|
||||
for (i = 0; i < block_size; i++) {
|
||||
ctx->u.sha.ipad[i] = ctx->u.sha.key[i] ^ 0x36;
|
||||
ctx->u.sha.opad[i] = ctx->u.sha.key[i] ^ 0x5c;
|
||||
ctx->u.sha.ipad[i] = ctx->u.sha.key[i] ^ HMAC_IPAD_VALUE;
|
||||
ctx->u.sha.opad[i] = ctx->u.sha.key[i] ^ HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
sg_init_one(&ctx->u.sha.opad_sg, ctx->u.sha.opad, block_size);
|
||||
|
344
drivers/crypto/ccp/ccp-debugfs.c
Normal file
344
drivers/crypto/ccp/ccp-debugfs.c
Normal file
@ -0,0 +1,344 @@
|
||||
/*
|
||||
* AMD Cryptographic Coprocessor (CCP) driver
|
||||
*
|
||||
* Copyright (C) 2017 Advanced Micro Devices, Inc.
|
||||
*
|
||||
* Author: Gary R Hook <gary.hook@amd.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/ccp.h>
|
||||
|
||||
#include "ccp-dev.h"
|
||||
|
||||
/* DebugFS helpers */
|
||||
#define OBUFP (obuf + oboff)
|
||||
#define OBUFLEN 512
|
||||
#define OBUFSPC (OBUFLEN - oboff)
|
||||
#define OSCNPRINTF(fmt, ...) \
|
||||
scnprintf(OBUFP, OBUFSPC, fmt, ## __VA_ARGS__)
|
||||
|
||||
#define BUFLEN 63
|
||||
|
||||
#define RI_VERSION_NUM 0x0000003F
|
||||
#define RI_AES_PRESENT 0x00000040
|
||||
#define RI_3DES_PRESENT 0x00000080
|
||||
#define RI_SHA_PRESENT 0x00000100
|
||||
#define RI_RSA_PRESENT 0x00000200
|
||||
#define RI_ECC_PRESENT 0x00000400
|
||||
#define RI_ZDE_PRESENT 0x00000800
|
||||
#define RI_ZCE_PRESENT 0x00001000
|
||||
#define RI_TRNG_PRESENT 0x00002000
|
||||
#define RI_ELFC_PRESENT 0x00004000
|
||||
#define RI_ELFC_SHIFT 14
|
||||
#define RI_NUM_VQM 0x00078000
|
||||
#define RI_NVQM_SHIFT 15
|
||||
#define RI_NVQM(r) (((r) * RI_NUM_VQM) >> RI_NVQM_SHIFT)
|
||||
#define RI_LSB_ENTRIES 0x0FF80000
|
||||
#define RI_NLSB_SHIFT 19
|
||||
#define RI_NLSB(r) (((r) * RI_LSB_ENTRIES) >> RI_NLSB_SHIFT)
|
||||
|
||||
static ssize_t ccp5_debugfs_info_read(struct file *filp, char __user *ubuf,
|
||||
size_t count, loff_t *offp)
|
||||
{
|
||||
struct ccp_device *ccp = filp->private_data;
|
||||
unsigned int oboff = 0;
|
||||
unsigned int regval;
|
||||
ssize_t ret;
|
||||
char *obuf;
|
||||
|
||||
if (!ccp)
|
||||
return 0;
|
||||
|
||||
obuf = kmalloc(OBUFLEN, GFP_KERNEL);
|
||||
if (!obuf)
|
||||
return -ENOMEM;
|
||||
|
||||
oboff += OSCNPRINTF("Device name: %s\n", ccp->name);
|
||||
oboff += OSCNPRINTF(" RNG name: %s\n", ccp->rngname);
|
||||
oboff += OSCNPRINTF(" # Queues: %d\n", ccp->cmd_q_count);
|
||||
oboff += OSCNPRINTF(" # Cmds: %d\n", ccp->cmd_count);
|
||||
|
||||
regval = ioread32(ccp->io_regs + CMD5_PSP_CCP_VERSION);
|
||||
oboff += OSCNPRINTF(" Version: %d\n", regval & RI_VERSION_NUM);
|
||||
oboff += OSCNPRINTF(" Engines:");
|
||||
if (regval & RI_AES_PRESENT)
|
||||
oboff += OSCNPRINTF(" AES");
|
||||
if (regval & RI_3DES_PRESENT)
|
||||
oboff += OSCNPRINTF(" 3DES");
|
||||
if (regval & RI_SHA_PRESENT)
|
||||
oboff += OSCNPRINTF(" SHA");
|
||||
if (regval & RI_RSA_PRESENT)
|
||||
oboff += OSCNPRINTF(" RSA");
|
||||
if (regval & RI_ECC_PRESENT)
|
||||
oboff += OSCNPRINTF(" ECC");
|
||||
if (regval & RI_ZDE_PRESENT)
|
||||
oboff += OSCNPRINTF(" ZDE");
|
||||
if (regval & RI_ZCE_PRESENT)
|
||||
oboff += OSCNPRINTF(" ZCE");
|
||||
if (regval & RI_TRNG_PRESENT)
|
||||
oboff += OSCNPRINTF(" TRNG");
|
||||
oboff += OSCNPRINTF("\n");
|
||||
oboff += OSCNPRINTF(" Queues: %d\n",
|
||||
(regval & RI_NUM_VQM) >> RI_NVQM_SHIFT);
|
||||
oboff += OSCNPRINTF("LSB Entries: %d\n",
|
||||
(regval & RI_LSB_ENTRIES) >> RI_NLSB_SHIFT);
|
||||
|
||||
ret = simple_read_from_buffer(ubuf, count, offp, obuf, oboff);
|
||||
kfree(obuf);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Return a formatted buffer containing the current
|
||||
* statistics across all queues for a CCP.
|
||||
*/
|
||||
static ssize_t ccp5_debugfs_stats_read(struct file *filp, char __user *ubuf,
|
||||
size_t count, loff_t *offp)
|
||||
{
|
||||
struct ccp_device *ccp = filp->private_data;
|
||||
unsigned long total_xts_aes_ops = 0;
|
||||
unsigned long total_3des_ops = 0;
|
||||
unsigned long total_aes_ops = 0;
|
||||
unsigned long total_sha_ops = 0;
|
||||
unsigned long total_rsa_ops = 0;
|
||||
unsigned long total_ecc_ops = 0;
|
||||
unsigned long total_pt_ops = 0;
|
||||
unsigned long total_ops = 0;
|
||||
unsigned int oboff = 0;
|
||||
ssize_t ret = 0;
|
||||
unsigned int i;
|
||||
char *obuf;
|
||||
|
||||
for (i = 0; i < ccp->cmd_q_count; i++) {
|
||||
struct ccp_cmd_queue *cmd_q = &ccp->cmd_q[i];
|
||||
|
||||
total_ops += cmd_q->total_ops;
|
||||
total_aes_ops += cmd_q->total_aes_ops;
|
||||
total_xts_aes_ops += cmd_q->total_xts_aes_ops;
|
||||
total_3des_ops += cmd_q->total_3des_ops;
|
||||
total_sha_ops += cmd_q->total_sha_ops;
|
||||
total_rsa_ops += cmd_q->total_rsa_ops;
|
||||
total_pt_ops += cmd_q->total_pt_ops;
|
||||
total_ecc_ops += cmd_q->total_ecc_ops;
|
||||
}
|
||||
|
||||
obuf = kmalloc(OBUFLEN, GFP_KERNEL);
|
||||
if (!obuf)
|
||||
return -ENOMEM;
|
||||
|
||||
oboff += OSCNPRINTF("Total Interrupts Handled: %ld\n",
|
||||
ccp->total_interrupts);
|
||||
oboff += OSCNPRINTF(" Total Operations: %ld\n",
|
||||
total_ops);
|
||||
oboff += OSCNPRINTF(" AES: %ld\n",
|
||||
total_aes_ops);
|
||||
oboff += OSCNPRINTF(" XTS AES: %ld\n",
|
||||
total_xts_aes_ops);
|
||||
oboff += OSCNPRINTF(" SHA: %ld\n",
|
||||
total_3des_ops);
|
||||
oboff += OSCNPRINTF(" SHA: %ld\n",
|
||||
total_sha_ops);
|
||||
oboff += OSCNPRINTF(" RSA: %ld\n",
|
||||
total_rsa_ops);
|
||||
oboff += OSCNPRINTF(" Pass-Thru: %ld\n",
|
||||
total_pt_ops);
|
||||
oboff += OSCNPRINTF(" ECC: %ld\n",
|
||||
total_ecc_ops);
|
||||
|
||||
ret = simple_read_from_buffer(ubuf, count, offp, obuf, oboff);
|
||||
kfree(obuf);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Reset the counters in a queue
|
||||
*/
|
||||
static void ccp5_debugfs_reset_queue_stats(struct ccp_cmd_queue *cmd_q)
|
||||
{
|
||||
cmd_q->total_ops = 0L;
|
||||
cmd_q->total_aes_ops = 0L;
|
||||
cmd_q->total_xts_aes_ops = 0L;
|
||||
cmd_q->total_3des_ops = 0L;
|
||||
cmd_q->total_sha_ops = 0L;
|
||||
cmd_q->total_rsa_ops = 0L;
|
||||
cmd_q->total_pt_ops = 0L;
|
||||
cmd_q->total_ecc_ops = 0L;
|
||||
}
|
||||
|
||||
/* A value was written to the stats variable, which
|
||||
* should be used to reset the queue counters across
|
||||
* that device.
|
||||
*/
|
||||
static ssize_t ccp5_debugfs_stats_write(struct file *filp,
|
||||
const char __user *ubuf,
|
||||
size_t count, loff_t *offp)
|
||||
{
|
||||
struct ccp_device *ccp = filp->private_data;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ccp->cmd_q_count; i++)
|
||||
ccp5_debugfs_reset_queue_stats(&ccp->cmd_q[i]);
|
||||
ccp->total_interrupts = 0L;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
/* Return a formatted buffer containing the current information
|
||||
* for that queue
|
||||
*/
|
||||
static ssize_t ccp5_debugfs_queue_read(struct file *filp, char __user *ubuf,
|
||||
size_t count, loff_t *offp)
|
||||
{
|
||||
struct ccp_cmd_queue *cmd_q = filp->private_data;
|
||||
unsigned int oboff = 0;
|
||||
unsigned int regval;
|
||||
ssize_t ret;
|
||||
char *obuf;
|
||||
|
||||
if (!cmd_q)
|
||||
return 0;
|
||||
|
||||
obuf = kmalloc(OBUFLEN, GFP_KERNEL);
|
||||
if (!obuf)
|
||||
return -ENOMEM;
|
||||
|
||||
oboff += OSCNPRINTF(" Total Queue Operations: %ld\n",
|
||||
cmd_q->total_ops);
|
||||
oboff += OSCNPRINTF(" AES: %ld\n",
|
||||
cmd_q->total_aes_ops);
|
||||
oboff += OSCNPRINTF(" XTS AES: %ld\n",
|
||||
cmd_q->total_xts_aes_ops);
|
||||
oboff += OSCNPRINTF(" SHA: %ld\n",
|
||||
cmd_q->total_3des_ops);
|
||||
oboff += OSCNPRINTF(" SHA: %ld\n",
|
||||
cmd_q->total_sha_ops);
|
||||
oboff += OSCNPRINTF(" RSA: %ld\n",
|
||||
cmd_q->total_rsa_ops);
|
||||
oboff += OSCNPRINTF(" Pass-Thru: %ld\n",
|
||||
cmd_q->total_pt_ops);
|
||||
oboff += OSCNPRINTF(" ECC: %ld\n",
|
||||
cmd_q->total_ecc_ops);
|
||||
|
||||
regval = ioread32(cmd_q->reg_int_enable);
|
||||
oboff += OSCNPRINTF(" Enabled Interrupts:");
|
||||
if (regval & INT_EMPTY_QUEUE)
|
||||
oboff += OSCNPRINTF(" EMPTY");
|
||||
if (regval & INT_QUEUE_STOPPED)
|
||||
oboff += OSCNPRINTF(" STOPPED");
|
||||
if (regval & INT_ERROR)
|
||||
oboff += OSCNPRINTF(" ERROR");
|
||||
if (regval & INT_COMPLETION)
|
||||
oboff += OSCNPRINTF(" COMPLETION");
|
||||
oboff += OSCNPRINTF("\n");
|
||||
|
||||
ret = simple_read_from_buffer(ubuf, count, offp, obuf, oboff);
|
||||
kfree(obuf);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* A value was written to the stats variable for a
|
||||
* queue. Reset the queue counters to this value.
|
||||
*/
|
||||
static ssize_t ccp5_debugfs_queue_write(struct file *filp,
|
||||
const char __user *ubuf,
|
||||
size_t count, loff_t *offp)
|
||||
{
|
||||
struct ccp_cmd_queue *cmd_q = filp->private_data;
|
||||
|
||||
ccp5_debugfs_reset_queue_stats(cmd_q);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static const struct file_operations ccp_debugfs_info_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = simple_open,
|
||||
.read = ccp5_debugfs_info_read,
|
||||
.write = NULL,
|
||||
};
|
||||
|
||||
static const struct file_operations ccp_debugfs_queue_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = simple_open,
|
||||
.read = ccp5_debugfs_queue_read,
|
||||
.write = ccp5_debugfs_queue_write,
|
||||
};
|
||||
|
||||
static const struct file_operations ccp_debugfs_stats_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = simple_open,
|
||||
.read = ccp5_debugfs_stats_read,
|
||||
.write = ccp5_debugfs_stats_write,
|
||||
};
|
||||
|
||||
static struct dentry *ccp_debugfs_dir;
|
||||
static DEFINE_RWLOCK(ccp_debugfs_lock);
|
||||
|
||||
#define MAX_NAME_LEN 20
|
||||
|
||||
void ccp5_debugfs_setup(struct ccp_device *ccp)
|
||||
{
|
||||
struct ccp_cmd_queue *cmd_q;
|
||||
char name[MAX_NAME_LEN + 1];
|
||||
struct dentry *debugfs_info;
|
||||
struct dentry *debugfs_stats;
|
||||
struct dentry *debugfs_q_instance;
|
||||
struct dentry *debugfs_q_stats;
|
||||
unsigned long flags;
|
||||
int i;
|
||||
|
||||
if (!debugfs_initialized())
|
||||
return;
|
||||
|
||||
write_lock_irqsave(&ccp_debugfs_lock, flags);
|
||||
if (!ccp_debugfs_dir)
|
||||
ccp_debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
|
||||
write_unlock_irqrestore(&ccp_debugfs_lock, flags);
|
||||
if (!ccp_debugfs_dir)
|
||||
return;
|
||||
|
||||
ccp->debugfs_instance = debugfs_create_dir(ccp->name, ccp_debugfs_dir);
|
||||
if (!ccp->debugfs_instance)
|
||||
return;
|
||||
|
||||
debugfs_info = debugfs_create_file("info", 0400,
|
||||
ccp->debugfs_instance, ccp,
|
||||
&ccp_debugfs_info_ops);
|
||||
if (!debugfs_info)
|
||||
return;
|
||||
|
||||
debugfs_stats = debugfs_create_file("stats", 0600,
|
||||
ccp->debugfs_instance, ccp,
|
||||
&ccp_debugfs_stats_ops);
|
||||
if (!debugfs_stats)
|
||||
return;
|
||||
|
||||
for (i = 0; i < ccp->cmd_q_count; i++) {
|
||||
cmd_q = &ccp->cmd_q[i];
|
||||
|
||||
snprintf(name, MAX_NAME_LEN - 1, "q%d", cmd_q->id);
|
||||
|
||||
debugfs_q_instance =
|
||||
debugfs_create_dir(name, ccp->debugfs_instance);
|
||||
if (!debugfs_q_instance)
|
||||
return;
|
||||
|
||||
debugfs_q_stats =
|
||||
debugfs_create_file("stats", 0600,
|
||||
debugfs_q_instance, cmd_q,
|
||||
&ccp_debugfs_queue_ops);
|
||||
if (!debugfs_q_stats)
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void ccp5_debugfs_destroy(void)
|
||||
{
|
||||
debugfs_remove_recursive(ccp_debugfs_dir);
|
||||
}
|
@ -14,6 +14,7 @@
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/compiler.h>
|
||||
@ -231,6 +232,8 @@ static int ccp5_do_cmd(struct ccp5_desc *desc,
|
||||
int i;
|
||||
int ret = 0;
|
||||
|
||||
cmd_q->total_ops++;
|
||||
|
||||
if (CCP5_CMD_SOC(desc)) {
|
||||
CCP5_CMD_IOC(desc) = 1;
|
||||
CCP5_CMD_SOC(desc) = 0;
|
||||
@ -282,6 +285,8 @@ static int ccp5_perform_aes(struct ccp_op *op)
|
||||
union ccp_function function;
|
||||
u32 key_addr = op->sb_key * LSB_ITEM_SIZE;
|
||||
|
||||
op->cmd_q->total_aes_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
@ -325,6 +330,8 @@ static int ccp5_perform_xts_aes(struct ccp_op *op)
|
||||
union ccp_function function;
|
||||
u32 key_addr = op->sb_key * LSB_ITEM_SIZE;
|
||||
|
||||
op->cmd_q->total_xts_aes_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
@ -364,6 +371,8 @@ static int ccp5_perform_sha(struct ccp_op *op)
|
||||
struct ccp5_desc desc;
|
||||
union ccp_function function;
|
||||
|
||||
op->cmd_q->total_sha_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
@ -404,6 +413,8 @@ static int ccp5_perform_des3(struct ccp_op *op)
|
||||
union ccp_function function;
|
||||
u32 key_addr = op->sb_key * LSB_ITEM_SIZE;
|
||||
|
||||
op->cmd_q->total_3des_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, sizeof(struct ccp5_desc));
|
||||
|
||||
@ -444,6 +455,8 @@ static int ccp5_perform_rsa(struct ccp_op *op)
|
||||
struct ccp5_desc desc;
|
||||
union ccp_function function;
|
||||
|
||||
op->cmd_q->total_rsa_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
@ -487,6 +500,8 @@ static int ccp5_perform_passthru(struct ccp_op *op)
|
||||
struct ccp_dma_info *daddr = &op->dst.u.dma;
|
||||
|
||||
|
||||
op->cmd_q->total_pt_ops++;
|
||||
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
CCP5_CMD_ENGINE(&desc) = CCP_ENGINE_PASSTHRU;
|
||||
@ -543,6 +558,8 @@ static int ccp5_perform_ecc(struct ccp_op *op)
|
||||
struct ccp5_desc desc;
|
||||
union ccp_function function;
|
||||
|
||||
op->cmd_q->total_ecc_ops++;
|
||||
|
||||
/* Zero out all the fields of the command desc */
|
||||
memset(&desc, 0, Q_DESC_SIZE);
|
||||
|
||||
@ -592,7 +609,6 @@ static int ccp_find_lsb_regions(struct ccp_cmd_queue *cmd_q, u64 status)
|
||||
return queues ? 0 : -EINVAL;
|
||||
}
|
||||
|
||||
|
||||
static int ccp_find_and_assign_lsb_to_q(struct ccp_device *ccp,
|
||||
int lsb_cnt, int n_lsbs,
|
||||
unsigned long *lsb_pub)
|
||||
@ -757,6 +773,7 @@ static irqreturn_t ccp5_irq_handler(int irq, void *data)
|
||||
struct ccp_device *ccp = dev_get_drvdata(dev);
|
||||
|
||||
ccp5_disable_queue_interrupts(ccp);
|
||||
ccp->total_interrupts++;
|
||||
if (ccp->use_tasklet)
|
||||
tasklet_schedule(&ccp->irq_tasklet);
|
||||
else
|
||||
@ -956,6 +973,9 @@ static int ccp5_init(struct ccp_device *ccp)
|
||||
if (ret)
|
||||
goto e_hwrng;
|
||||
|
||||
/* Set up debugfs entries */
|
||||
ccp5_debugfs_setup(ccp);
|
||||
|
||||
return 0;
|
||||
|
||||
e_hwrng:
|
||||
@ -992,6 +1012,12 @@ static void ccp5_destroy(struct ccp_device *ccp)
|
||||
/* Remove this device from the list of available units first */
|
||||
ccp_del_device(ccp);
|
||||
|
||||
/* We're in the process of tearing down the entire driver;
|
||||
* when all the devices are gone clean up debugfs
|
||||
*/
|
||||
if (ccp_present())
|
||||
ccp5_debugfs_destroy();
|
||||
|
||||
/* Disable and clear interrupts */
|
||||
ccp5_disable_queue_interrupts(ccp);
|
||||
for (i = 0; i < ccp->cmd_q_count; i++) {
|
||||
|
@ -31,8 +31,9 @@
|
||||
#include "ccp-dev.h"
|
||||
|
||||
MODULE_AUTHOR("Tom Lendacky <thomas.lendacky@amd.com>");
|
||||
MODULE_AUTHOR("Gary R Hook <gary.hook@amd.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_VERSION("1.0.0");
|
||||
MODULE_VERSION("1.1.0");
|
||||
MODULE_DESCRIPTION("AMD Cryptographic Coprocessor driver");
|
||||
|
||||
struct ccp_tasklet_data {
|
||||
|
@ -70,6 +70,7 @@
|
||||
#define LSB_PUBLIC_MASK_HI_OFFSET 0x1C
|
||||
#define LSB_PRIVATE_MASK_LO_OFFSET 0x20
|
||||
#define LSB_PRIVATE_MASK_HI_OFFSET 0x24
|
||||
#define CMD5_PSP_CCP_VERSION 0x100
|
||||
|
||||
#define CMD5_Q_CONTROL_BASE 0x0000
|
||||
#define CMD5_Q_TAIL_LO_BASE 0x0004
|
||||
@ -322,6 +323,16 @@ struct ccp_cmd_queue {
|
||||
/* Interrupt wait queue */
|
||||
wait_queue_head_t int_queue;
|
||||
unsigned int int_rcvd;
|
||||
|
||||
/* Per-queue Statistics */
|
||||
unsigned long total_ops;
|
||||
unsigned long total_aes_ops;
|
||||
unsigned long total_xts_aes_ops;
|
||||
unsigned long total_3des_ops;
|
||||
unsigned long total_sha_ops;
|
||||
unsigned long total_rsa_ops;
|
||||
unsigned long total_pt_ops;
|
||||
unsigned long total_ecc_ops;
|
||||
} ____cacheline_aligned;
|
||||
|
||||
struct ccp_device {
|
||||
@ -419,6 +430,12 @@ struct ccp_device {
|
||||
|
||||
/* DMA caching attribute support */
|
||||
unsigned int axcache;
|
||||
|
||||
/* Device Statistics */
|
||||
unsigned long total_interrupts;
|
||||
|
||||
/* DebugFS info */
|
||||
struct dentry *debugfs_instance;
|
||||
};
|
||||
|
||||
enum ccp_memtype {
|
||||
@ -632,6 +649,9 @@ void ccp_unregister_rng(struct ccp_device *ccp);
|
||||
int ccp_dmaengine_register(struct ccp_device *ccp);
|
||||
void ccp_dmaengine_unregister(struct ccp_device *ccp);
|
||||
|
||||
void ccp5_debugfs_setup(struct ccp_device *ccp);
|
||||
void ccp5_debugfs_destroy(void);
|
||||
|
||||
/* Structure for computation functions that are device-specific */
|
||||
struct ccp_actions {
|
||||
int (*aes)(struct ccp_op *);
|
||||
|
@ -44,7 +44,7 @@ static struct ccp_vdata *ccp_get_of_version(struct platform_device *pdev)
|
||||
if (match && match->data)
|
||||
return (struct ccp_vdata *)match->data;
|
||||
#endif
|
||||
return 0;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static struct ccp_vdata *ccp_get_acpi_version(struct platform_device *pdev)
|
||||
@ -56,7 +56,7 @@ static struct ccp_vdata *ccp_get_acpi_version(struct platform_device *pdev)
|
||||
if (match && match->driver_data)
|
||||
return (struct ccp_vdata *)match->driver_data;
|
||||
#endif
|
||||
return 0;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int ccp_get_irq(struct ccp_device *ccp)
|
||||
|
File diff suppressed because it is too large
Load Diff
@ -185,11 +185,11 @@
|
||||
FW_CRYPTO_LOOKASIDE_WR_CCTX_LOC_V(1) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_CCTX_SIZE_V((ctx_len)))
|
||||
|
||||
#define FILL_WR_RX_Q_ID(cid, qid, wr_iv, fid) \
|
||||
#define FILL_WR_RX_Q_ID(cid, qid, wr_iv, lcb, fid) \
|
||||
htonl( \
|
||||
FW_CRYPTO_LOOKASIDE_WR_RX_CHID_V((cid)) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_RX_Q_ID_V((qid)) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_LCB_V(0) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_LCB_V((lcb)) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_IV_V((wr_iv)) | \
|
||||
FW_CRYPTO_LOOKASIDE_WR_FQIDX_V(fid))
|
||||
|
||||
@ -219,9 +219,26 @@
|
||||
#define MAX_NK 8
|
||||
#define CRYPTO_MAX_IMM_TX_PKT_LEN 256
|
||||
#define MAX_WR_SIZE 512
|
||||
#define ROUND_16(bytes) ((bytes) & 0xFFFFFFF0)
|
||||
#define MAX_DSGL_ENT 32
|
||||
#define MAX_DIGEST_SKB_SGE (MAX_SKB_FRAGS - 2)
|
||||
#define MIN_CIPHER_SG 1 /* IV */
|
||||
#define MIN_AUTH_SG 2 /*IV + AAD*/
|
||||
#define MIN_GCM_SG 2 /* IV + AAD*/
|
||||
#define MIN_DIGEST_SG 1 /*Partial Buffer*/
|
||||
#define MIN_CCM_SG 3 /*IV+AAD+B0*/
|
||||
#define SPACE_LEFT(len) \
|
||||
((MAX_WR_SIZE - WR_MIN_LEN - (len)))
|
||||
|
||||
unsigned int sgl_ent_len[] = {0, 0, 16, 24, 40,
|
||||
48, 64, 72, 88,
|
||||
96, 112, 120, 136,
|
||||
144, 160, 168, 184,
|
||||
192};
|
||||
unsigned int dsgl_ent_len[] = {0, 32, 32, 48, 48, 64, 64, 80, 80,
|
||||
112, 112, 128, 128, 144, 144, 160, 160,
|
||||
192, 192, 208, 208, 224, 224, 240, 240,
|
||||
272, 272, 288, 288, 304, 304, 320, 320};
|
||||
|
||||
struct algo_param {
|
||||
unsigned int auth_mode;
|
||||
@ -239,6 +256,14 @@ struct hash_wr_param {
|
||||
u64 scmd1;
|
||||
};
|
||||
|
||||
struct cipher_wr_param {
|
||||
struct ablkcipher_request *req;
|
||||
struct scatterlist *srcsg;
|
||||
char *iv;
|
||||
int bytes;
|
||||
short int snent;
|
||||
unsigned short qid;
|
||||
};
|
||||
enum {
|
||||
AES_KEYLENGTH_128BIT = 128,
|
||||
AES_KEYLENGTH_192BIT = 192,
|
||||
@ -293,7 +318,6 @@ struct phys_sge_parm {
|
||||
unsigned int nents;
|
||||
unsigned int obsize;
|
||||
unsigned short qid;
|
||||
unsigned char align;
|
||||
};
|
||||
|
||||
struct crypto_result {
|
||||
|
@ -29,6 +29,7 @@
|
||||
static LIST_HEAD(uld_ctx_list);
|
||||
static DEFINE_MUTEX(dev_mutex);
|
||||
static atomic_t dev_count;
|
||||
static struct uld_ctx *ctx_rr;
|
||||
|
||||
typedef int (*chcr_handler_func)(struct chcr_dev *dev, unsigned char *input);
|
||||
static int cpl_fw6_pld_handler(struct chcr_dev *dev, unsigned char *input);
|
||||
@ -49,25 +50,28 @@ static struct cxgb4_uld_info chcr_uld_info = {
|
||||
.rx_handler = chcr_uld_rx_handler,
|
||||
};
|
||||
|
||||
int assign_chcr_device(struct chcr_dev **dev)
|
||||
struct uld_ctx *assign_chcr_device(void)
|
||||
{
|
||||
struct uld_ctx *u_ctx;
|
||||
int ret = -ENXIO;
|
||||
struct uld_ctx *u_ctx = NULL;
|
||||
|
||||
/*
|
||||
* Which device to use if multiple devices are available TODO
|
||||
* May be select the device based on round robin. One session
|
||||
* must go to the same device to maintain the ordering.
|
||||
* When multiple devices are present in system select
|
||||
* device in round-robin fashion for crypto operations
|
||||
* Although One session must use the same device to
|
||||
* maintain request-response ordering.
|
||||
*/
|
||||
mutex_lock(&dev_mutex); /* TODO ? */
|
||||
list_for_each_entry(u_ctx, &uld_ctx_list, entry)
|
||||
if (u_ctx->dev) {
|
||||
*dev = u_ctx->dev;
|
||||
ret = 0;
|
||||
break;
|
||||
mutex_lock(&dev_mutex);
|
||||
if (!list_empty(&uld_ctx_list)) {
|
||||
u_ctx = ctx_rr;
|
||||
if (list_is_last(&ctx_rr->entry, &uld_ctx_list))
|
||||
ctx_rr = list_first_entry(&uld_ctx_list,
|
||||
struct uld_ctx,
|
||||
entry);
|
||||
else
|
||||
ctx_rr = list_next_entry(ctx_rr, entry);
|
||||
}
|
||||
mutex_unlock(&dev_mutex);
|
||||
return ret;
|
||||
return u_ctx;
|
||||
}
|
||||
|
||||
static int chcr_dev_add(struct uld_ctx *u_ctx)
|
||||
@ -82,11 +86,27 @@ static int chcr_dev_add(struct uld_ctx *u_ctx)
|
||||
u_ctx->dev = dev;
|
||||
dev->u_ctx = u_ctx;
|
||||
atomic_inc(&dev_count);
|
||||
mutex_lock(&dev_mutex);
|
||||
list_add_tail(&u_ctx->entry, &uld_ctx_list);
|
||||
if (!ctx_rr)
|
||||
ctx_rr = u_ctx;
|
||||
mutex_unlock(&dev_mutex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int chcr_dev_remove(struct uld_ctx *u_ctx)
|
||||
{
|
||||
if (ctx_rr == u_ctx) {
|
||||
if (list_is_last(&ctx_rr->entry, &uld_ctx_list))
|
||||
ctx_rr = list_first_entry(&uld_ctx_list,
|
||||
struct uld_ctx,
|
||||
entry);
|
||||
else
|
||||
ctx_rr = list_next_entry(ctx_rr, entry);
|
||||
}
|
||||
list_del(&u_ctx->entry);
|
||||
if (list_empty(&uld_ctx_list))
|
||||
ctx_rr = NULL;
|
||||
kfree(u_ctx->dev);
|
||||
u_ctx->dev = NULL;
|
||||
atomic_dec(&dev_count);
|
||||
@ -100,6 +120,7 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
|
||||
struct cpl_fw6_pld *fw6_pld;
|
||||
u32 ack_err_status = 0;
|
||||
int error_status = 0;
|
||||
struct adapter *adap = padap(dev);
|
||||
|
||||
fw6_pld = (struct cpl_fw6_pld *)input;
|
||||
req = (struct crypto_async_request *)(uintptr_t)be64_to_cpu(
|
||||
@ -111,11 +132,11 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
|
||||
if (CHK_MAC_ERR_BIT(ack_err_status) ||
|
||||
CHK_PAD_ERR_BIT(ack_err_status))
|
||||
error_status = -EBADMSG;
|
||||
atomic_inc(&adap->chcr_stats.error);
|
||||
}
|
||||
/* call completion callback with failure status */
|
||||
if (req) {
|
||||
error_status = chcr_handle_resp(req, input, error_status);
|
||||
req->complete(req, error_status);
|
||||
} else {
|
||||
pr_err("Incorrect request address from the firmware\n");
|
||||
return -EFAULT;
|
||||
@ -138,10 +159,11 @@ static void *chcr_uld_add(const struct cxgb4_lld_info *lld)
|
||||
u_ctx = ERR_PTR(-ENOMEM);
|
||||
goto out;
|
||||
}
|
||||
if (!(lld->ulp_crypto & ULP_CRYPTO_LOOKASIDE)) {
|
||||
u_ctx = ERR_PTR(-ENOMEM);
|
||||
goto out;
|
||||
}
|
||||
u_ctx->lldi = *lld;
|
||||
mutex_lock(&dev_mutex);
|
||||
list_add_tail(&u_ctx->entry, &uld_ctx_list);
|
||||
mutex_unlock(&dev_mutex);
|
||||
out:
|
||||
return u_ctx;
|
||||
}
|
||||
|
@ -53,6 +53,9 @@
|
||||
#define MAC_ERROR_BIT 0
|
||||
#define CHK_MAC_ERR_BIT(x) (((x) >> MAC_ERROR_BIT) & 1)
|
||||
#define MAX_SALT 4
|
||||
#define WR_MIN_LEN (sizeof(struct chcr_wr) + \
|
||||
sizeof(struct cpl_rx_phys_dsgl) + \
|
||||
sizeof(struct ulptx_sgl))
|
||||
|
||||
#define padap(dev) pci_get_drvdata(dev->u_ctx->lldi.pdev)
|
||||
|
||||
@ -86,7 +89,7 @@ struct uld_ctx {
|
||||
struct chcr_dev *dev;
|
||||
};
|
||||
|
||||
int assign_chcr_device(struct chcr_dev **dev);
|
||||
struct uld_ctx * assign_chcr_device(void);
|
||||
int chcr_send_wr(struct sk_buff *skb);
|
||||
int start_crypto(void);
|
||||
int stop_crypto(void);
|
||||
|
@ -139,6 +139,9 @@
|
||||
#define CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309 0x06000000
|
||||
#define CRYPTO_ALG_SUB_TYPE_AEAD_NULL 0x07000000
|
||||
#define CRYPTO_ALG_SUB_TYPE_CTR 0x08000000
|
||||
#define CRYPTO_ALG_SUB_TYPE_CTR_RFC3686 0x09000000
|
||||
#define CRYPTO_ALG_SUB_TYPE_XTS 0x0a000000
|
||||
#define CRYPTO_ALG_SUB_TYPE_CBC 0x0b000000
|
||||
#define CRYPTO_ALG_TYPE_HMAC (CRYPTO_ALG_TYPE_AHASH |\
|
||||
CRYPTO_ALG_SUB_TYPE_HASH_HMAC)
|
||||
|
||||
@ -146,19 +149,23 @@
|
||||
|
||||
#define CHCR_HASH_MAX_BLOCK_SIZE_64 64
|
||||
#define CHCR_HASH_MAX_BLOCK_SIZE_128 128
|
||||
#define CHCR_SG_SIZE 2048
|
||||
|
||||
/* Aligned to 128 bit boundary */
|
||||
|
||||
struct ablk_ctx {
|
||||
struct crypto_skcipher *sw_cipher;
|
||||
__be32 key_ctx_hdr;
|
||||
unsigned int enckey_len;
|
||||
u8 key[CHCR_AES_MAX_KEY_LEN];
|
||||
unsigned char ciph_mode;
|
||||
u8 key[CHCR_AES_MAX_KEY_LEN];
|
||||
u8 nonce[4];
|
||||
u8 rrkey[AES_MAX_KEY_SIZE];
|
||||
};
|
||||
struct chcr_aead_reqctx {
|
||||
struct sk_buff *skb;
|
||||
struct scatterlist *dst;
|
||||
struct scatterlist *newdstsg;
|
||||
struct scatterlist srcffwd[2];
|
||||
struct scatterlist dstffwd[2];
|
||||
short int dst_nents;
|
||||
@ -233,7 +240,14 @@ struct chcr_ahash_req_ctx {
|
||||
|
||||
struct chcr_blkcipher_req_ctx {
|
||||
struct sk_buff *skb;
|
||||
unsigned int dst_nents;
|
||||
struct scatterlist srcffwd[2];
|
||||
struct scatterlist dstffwd[2];
|
||||
struct scatterlist *dstsg;
|
||||
struct scatterlist *dst;
|
||||
struct scatterlist *newdstsg;
|
||||
unsigned int processed;
|
||||
unsigned int op;
|
||||
short int dst_nents;
|
||||
u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
|
||||
};
|
||||
|
||||
@ -275,5 +289,10 @@ static int chcr_aead_op(struct aead_request *req_base,
|
||||
int size,
|
||||
create_wr_t create_wr_fn);
|
||||
static inline int get_aead_subtype(struct crypto_aead *aead);
|
||||
|
||||
static int is_newsg(struct scatterlist *sgl, unsigned int *newents);
|
||||
static struct scatterlist *alloc_new_sg(struct scatterlist *sgl,
|
||||
unsigned int nents);
|
||||
static inline void free_new_sg(struct scatterlist *sgl);
|
||||
static int chcr_handle_cipher_resp(struct ablkcipher_request *req,
|
||||
unsigned char *input, int err);
|
||||
#endif /* __CHCR_CRYPTO_H__ */
|
||||
|
@ -1088,9 +1088,17 @@ static int img_hash_suspend(struct device *dev)
|
||||
static int img_hash_resume(struct device *dev)
|
||||
{
|
||||
struct img_hash_dev *hdev = dev_get_drvdata(dev);
|
||||
int ret;
|
||||
|
||||
clk_prepare_enable(hdev->hash_clk);
|
||||
clk_prepare_enable(hdev->sys_clk);
|
||||
ret = clk_prepare_enable(hdev->hash_clk);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = clk_prepare_enable(hdev->sys_clk);
|
||||
if (ret) {
|
||||
clk_disable_unprepare(hdev->hash_clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
2
drivers/crypto/inside-secure/Makefile
Normal file
2
drivers/crypto/inside-secure/Makefile
Normal file
@ -0,0 +1,2 @@
|
||||
obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += crypto_safexcel.o
|
||||
crypto_safexcel-objs := safexcel.o safexcel_ring.o safexcel_cipher.o safexcel_hash.o
|
926
drivers/crypto/inside-secure/safexcel.c
Normal file
926
drivers/crypto/inside-secure/safexcel.c
Normal file
@ -0,0 +1,926 @@
|
||||
/*
|
||||
* Copyright (C) 2017 Marvell
|
||||
*
|
||||
* Antoine Tenart <antoine.tenart@free-electrons.com>
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/dmapool.h>
|
||||
#include <linux/firmware.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of_platform.h>
|
||||
#include <linux/of_irq.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/workqueue.h>
|
||||
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/internal/skcipher.h>
|
||||
|
||||
#include "safexcel.h"
|
||||
|
||||
static u32 max_rings = EIP197_MAX_RINGS;
|
||||
module_param(max_rings, uint, 0644);
|
||||
MODULE_PARM_DESC(max_rings, "Maximum number of rings to use.");
|
||||
|
||||
static void eip197_trc_cache_init(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
u32 val, htable_offset;
|
||||
int i;
|
||||
|
||||
/* Enable the record cache memory access */
|
||||
val = readl(priv->base + EIP197_CS_RAM_CTRL);
|
||||
val &= ~EIP197_TRC_ENABLE_MASK;
|
||||
val |= EIP197_TRC_ENABLE_0;
|
||||
writel(val, priv->base + EIP197_CS_RAM_CTRL);
|
||||
|
||||
/* Clear all ECC errors */
|
||||
writel(0, priv->base + EIP197_TRC_ECCCTRL);
|
||||
|
||||
/*
|
||||
* Make sure the cache memory is accessible by taking record cache into
|
||||
* reset.
|
||||
*/
|
||||
val = readl(priv->base + EIP197_TRC_PARAMS);
|
||||
val |= EIP197_TRC_PARAMS_SW_RESET;
|
||||
val &= ~EIP197_TRC_PARAMS_DATA_ACCESS;
|
||||
writel(val, priv->base + EIP197_TRC_PARAMS);
|
||||
|
||||
/* Clear all records */
|
||||
for (i = 0; i < EIP197_CS_RC_MAX; i++) {
|
||||
u32 val, offset = EIP197_CLASSIFICATION_RAMS + i * EIP197_CS_RC_SIZE;
|
||||
|
||||
writel(EIP197_CS_RC_NEXT(EIP197_RC_NULL) |
|
||||
EIP197_CS_RC_PREV(EIP197_RC_NULL),
|
||||
priv->base + offset);
|
||||
|
||||
val = EIP197_CS_RC_NEXT(i+1) | EIP197_CS_RC_PREV(i-1);
|
||||
if (i == 0)
|
||||
val |= EIP197_CS_RC_PREV(EIP197_RC_NULL);
|
||||
else if (i == EIP197_CS_RC_MAX - 1)
|
||||
val |= EIP197_CS_RC_NEXT(EIP197_RC_NULL);
|
||||
writel(val, priv->base + offset + sizeof(u32));
|
||||
}
|
||||
|
||||
/* Clear the hash table entries */
|
||||
htable_offset = EIP197_CS_RC_MAX * EIP197_CS_RC_SIZE;
|
||||
for (i = 0; i < 64; i++)
|
||||
writel(GENMASK(29, 0),
|
||||
priv->base + EIP197_CLASSIFICATION_RAMS + htable_offset + i * sizeof(u32));
|
||||
|
||||
/* Disable the record cache memory access */
|
||||
val = readl(priv->base + EIP197_CS_RAM_CTRL);
|
||||
val &= ~EIP197_TRC_ENABLE_MASK;
|
||||
writel(val, priv->base + EIP197_CS_RAM_CTRL);
|
||||
|
||||
/* Write head and tail pointers of the record free chain */
|
||||
val = EIP197_TRC_FREECHAIN_HEAD_PTR(0) |
|
||||
EIP197_TRC_FREECHAIN_TAIL_PTR(EIP197_CS_RC_MAX - 1);
|
||||
writel(val, priv->base + EIP197_TRC_FREECHAIN);
|
||||
|
||||
/* Configure the record cache #1 */
|
||||
val = EIP197_TRC_PARAMS2_RC_SZ_SMALL(EIP197_CS_TRC_REC_WC) |
|
||||
EIP197_TRC_PARAMS2_HTABLE_PTR(EIP197_CS_RC_MAX);
|
||||
writel(val, priv->base + EIP197_TRC_PARAMS2);
|
||||
|
||||
/* Configure the record cache #2 */
|
||||
val = EIP197_TRC_PARAMS_RC_SZ_LARGE(EIP197_CS_TRC_LG_REC_WC) |
|
||||
EIP197_TRC_PARAMS_BLK_TIMER_SPEED(1) |
|
||||
EIP197_TRC_PARAMS_HTABLE_SZ(2);
|
||||
writel(val, priv->base + EIP197_TRC_PARAMS);
|
||||
}
|
||||
|
||||
static void eip197_write_firmware(struct safexcel_crypto_priv *priv,
|
||||
const struct firmware *fw, u32 ctrl,
|
||||
u32 prog_en)
|
||||
{
|
||||
const u32 *data = (const u32 *)fw->data;
|
||||
u32 val;
|
||||
int i;
|
||||
|
||||
/* Reset the engine to make its program memory accessible */
|
||||
writel(EIP197_PE_ICE_x_CTRL_SW_RESET |
|
||||
EIP197_PE_ICE_x_CTRL_CLR_ECC_CORR |
|
||||
EIP197_PE_ICE_x_CTRL_CLR_ECC_NON_CORR,
|
||||
priv->base + ctrl);
|
||||
|
||||
/* Enable access to the program memory */
|
||||
writel(prog_en, priv->base + EIP197_PE_ICE_RAM_CTRL);
|
||||
|
||||
/* Write the firmware */
|
||||
for (i = 0; i < fw->size / sizeof(u32); i++)
|
||||
writel(be32_to_cpu(data[i]),
|
||||
priv->base + EIP197_CLASSIFICATION_RAMS + i * sizeof(u32));
|
||||
|
||||
/* Disable access to the program memory */
|
||||
writel(0, priv->base + EIP197_PE_ICE_RAM_CTRL);
|
||||
|
||||
/* Release engine from reset */
|
||||
val = readl(priv->base + ctrl);
|
||||
val &= ~EIP197_PE_ICE_x_CTRL_SW_RESET;
|
||||
writel(val, priv->base + ctrl);
|
||||
}
|
||||
|
||||
static int eip197_load_firmwares(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
const char *fw_name[] = {"ifpp.bin", "ipue.bin"};
|
||||
const struct firmware *fw[FW_NB];
|
||||
int i, j, ret = 0;
|
||||
u32 val;
|
||||
|
||||
for (i = 0; i < FW_NB; i++) {
|
||||
ret = request_firmware(&fw[i], fw_name[i], priv->dev);
|
||||
if (ret) {
|
||||
dev_err(priv->dev,
|
||||
"Failed to request firmware %s (%d)\n",
|
||||
fw_name[i], ret);
|
||||
goto release_fw;
|
||||
}
|
||||
}
|
||||
|
||||
/* Clear the scratchpad memory */
|
||||
val = readl(priv->base + EIP197_PE_ICE_SCRATCH_CTRL);
|
||||
val |= EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_TIMER |
|
||||
EIP197_PE_ICE_SCRATCH_CTRL_TIMER_EN |
|
||||
EIP197_PE_ICE_SCRATCH_CTRL_SCRATCH_ACCESS |
|
||||
EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_ACCESS;
|
||||
writel(val, priv->base + EIP197_PE_ICE_SCRATCH_CTRL);
|
||||
|
||||
memset(priv->base + EIP197_PE_ICE_SCRATCH_RAM, 0,
|
||||
EIP197_NUM_OF_SCRATCH_BLOCKS * sizeof(u32));
|
||||
|
||||
eip197_write_firmware(priv, fw[FW_IFPP], EIP197_PE_ICE_FPP_CTRL,
|
||||
EIP197_PE_ICE_RAM_CTRL_FPP_PROG_EN);
|
||||
|
||||
eip197_write_firmware(priv, fw[FW_IPUE], EIP197_PE_ICE_PUE_CTRL,
|
||||
EIP197_PE_ICE_RAM_CTRL_PUE_PROG_EN);
|
||||
|
||||
release_fw:
|
||||
for (j = 0; j < i; j++)
|
||||
release_firmware(fw[j]);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int safexcel_hw_setup_cdesc_rings(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
u32 hdw, cd_size_rnd, val;
|
||||
int i;
|
||||
|
||||
hdw = readl(priv->base + EIP197_HIA_OPTIONS);
|
||||
hdw &= GENMASK(27, 25);
|
||||
hdw >>= 25;
|
||||
|
||||
cd_size_rnd = (priv->config.cd_size + (BIT(hdw) - 1)) >> hdw;
|
||||
|
||||
for (i = 0; i < priv->config.rings; i++) {
|
||||
/* ring base address */
|
||||
writel(lower_32_bits(priv->ring[i].cdr.base_dma),
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_RING_BASE_ADDR_LO);
|
||||
writel(upper_32_bits(priv->ring[i].cdr.base_dma),
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_RING_BASE_ADDR_HI);
|
||||
|
||||
writel(EIP197_xDR_DESC_MODE_64BIT | (priv->config.cd_offset << 16) |
|
||||
priv->config.cd_size,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_DESC_SIZE);
|
||||
writel(((EIP197_FETCH_COUNT * (cd_size_rnd << hdw)) << 16) |
|
||||
(EIP197_FETCH_COUNT * priv->config.cd_offset),
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_CFG);
|
||||
|
||||
/* Configure DMA tx control */
|
||||
val = EIP197_HIA_xDR_CFG_WR_CACHE(WR_CACHE_3BITS);
|
||||
val |= EIP197_HIA_xDR_CFG_RD_CACHE(RD_CACHE_3BITS);
|
||||
writel(val,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_DMA_CFG);
|
||||
|
||||
/* clear any pending interrupt */
|
||||
writel(GENMASK(5, 0),
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_STAT);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_hw_setup_rdesc_rings(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
u32 hdw, rd_size_rnd, val;
|
||||
int i;
|
||||
|
||||
hdw = readl(priv->base + EIP197_HIA_OPTIONS);
|
||||
hdw &= GENMASK(27, 25);
|
||||
hdw >>= 25;
|
||||
|
||||
rd_size_rnd = (priv->config.rd_size + (BIT(hdw) - 1)) >> hdw;
|
||||
|
||||
for (i = 0; i < priv->config.rings; i++) {
|
||||
/* ring base address */
|
||||
writel(lower_32_bits(priv->ring[i].rdr.base_dma),
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_RING_BASE_ADDR_LO);
|
||||
writel(upper_32_bits(priv->ring[i].rdr.base_dma),
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_RING_BASE_ADDR_HI);
|
||||
|
||||
writel(EIP197_xDR_DESC_MODE_64BIT | (priv->config.rd_offset << 16) |
|
||||
priv->config.rd_size,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_DESC_SIZE);
|
||||
|
||||
writel(((EIP197_FETCH_COUNT * (rd_size_rnd << hdw)) << 16) |
|
||||
(EIP197_FETCH_COUNT * priv->config.rd_offset),
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_CFG);
|
||||
|
||||
/* Configure DMA tx control */
|
||||
val = EIP197_HIA_xDR_CFG_WR_CACHE(WR_CACHE_3BITS);
|
||||
val |= EIP197_HIA_xDR_CFG_RD_CACHE(RD_CACHE_3BITS);
|
||||
val |= EIP197_HIA_xDR_WR_RES_BUF | EIP197_HIA_xDR_WR_CTRL_BUG;
|
||||
writel(val,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_DMA_CFG);
|
||||
|
||||
/* clear any pending interrupt */
|
||||
writel(GENMASK(7, 0),
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_STAT);
|
||||
|
||||
/* enable ring interrupt */
|
||||
val = readl(priv->base + EIP197_HIA_AIC_R_ENABLE_CTRL(i));
|
||||
val |= EIP197_RDR_IRQ(i);
|
||||
writel(val, priv->base + EIP197_HIA_AIC_R_ENABLE_CTRL(i));
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_hw_init(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
u32 version, val;
|
||||
int i, ret;
|
||||
|
||||
/* Determine endianess and configure byte swap */
|
||||
version = readl(priv->base + EIP197_HIA_VERSION);
|
||||
val = readl(priv->base + EIP197_HIA_MST_CTRL);
|
||||
|
||||
if ((version & 0xffff) == EIP197_HIA_VERSION_BE)
|
||||
val |= EIP197_MST_CTRL_BYTE_SWAP;
|
||||
else if (((version >> 16) & 0xffff) == EIP197_HIA_VERSION_LE)
|
||||
val |= (EIP197_MST_CTRL_NO_BYTE_SWAP >> 24);
|
||||
|
||||
writel(val, priv->base + EIP197_HIA_MST_CTRL);
|
||||
|
||||
|
||||
/* Configure wr/rd cache values */
|
||||
writel(EIP197_MST_CTRL_RD_CACHE(RD_CACHE_4BITS) |
|
||||
EIP197_MST_CTRL_WD_CACHE(WR_CACHE_4BITS),
|
||||
priv->base + EIP197_MST_CTRL);
|
||||
|
||||
/* Interrupts reset */
|
||||
|
||||
/* Disable all global interrupts */
|
||||
writel(0, priv->base + EIP197_HIA_AIC_G_ENABLE_CTRL);
|
||||
|
||||
/* Clear any pending interrupt */
|
||||
writel(GENMASK(31, 0), priv->base + EIP197_HIA_AIC_G_ACK);
|
||||
|
||||
/* Data Fetch Engine configuration */
|
||||
|
||||
/* Reset all DFE threads */
|
||||
writel(EIP197_DxE_THR_CTRL_RESET_PE,
|
||||
priv->base + EIP197_HIA_DFE_THR_CTRL);
|
||||
|
||||
/* Reset HIA input interface arbiter */
|
||||
writel(EIP197_HIA_RA_PE_CTRL_RESET,
|
||||
priv->base + EIP197_HIA_RA_PE_CTRL);
|
||||
|
||||
/* DMA transfer size to use */
|
||||
val = EIP197_HIA_DFE_CFG_DIS_DEBUG;
|
||||
val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(5) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(9);
|
||||
val |= EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(5) | EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(7);
|
||||
val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(RD_CACHE_3BITS);
|
||||
val |= EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(RD_CACHE_3BITS);
|
||||
writel(val, priv->base + EIP197_HIA_DFE_CFG);
|
||||
|
||||
/* Leave the DFE threads reset state */
|
||||
writel(0, priv->base + EIP197_HIA_DFE_THR_CTRL);
|
||||
|
||||
/* Configure the procesing engine thresholds */
|
||||
writel(EIP197_PE_IN_xBUF_THRES_MIN(5) | EIP197_PE_IN_xBUF_THRES_MAX(9),
|
||||
priv->base + EIP197_PE_IN_DBUF_THRES);
|
||||
writel(EIP197_PE_IN_xBUF_THRES_MIN(5) | EIP197_PE_IN_xBUF_THRES_MAX(7),
|
||||
priv->base + EIP197_PE_IN_TBUF_THRES);
|
||||
|
||||
/* enable HIA input interface arbiter and rings */
|
||||
writel(EIP197_HIA_RA_PE_CTRL_EN | GENMASK(priv->config.rings - 1, 0),
|
||||
priv->base + EIP197_HIA_RA_PE_CTRL);
|
||||
|
||||
/* Data Store Engine configuration */
|
||||
|
||||
/* Reset all DSE threads */
|
||||
writel(EIP197_DxE_THR_CTRL_RESET_PE,
|
||||
priv->base + EIP197_HIA_DSE_THR_CTRL);
|
||||
|
||||
/* Wait for all DSE threads to complete */
|
||||
while ((readl(priv->base + EIP197_HIA_DSE_THR_STAT) &
|
||||
GENMASK(15, 12)) != GENMASK(15, 12))
|
||||
;
|
||||
|
||||
/* DMA transfer size to use */
|
||||
val = EIP197_HIA_DSE_CFG_DIS_DEBUG;
|
||||
val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(7) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(8);
|
||||
val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(WR_CACHE_3BITS);
|
||||
val |= EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE;
|
||||
val |= EIP197_HIA_DSE_CFG_EN_SINGLE_WR;
|
||||
writel(val, priv->base + EIP197_HIA_DSE_CFG);
|
||||
|
||||
/* Leave the DSE threads reset state */
|
||||
writel(0, priv->base + EIP197_HIA_DSE_THR_CTRL);
|
||||
|
||||
/* Configure the procesing engine thresholds */
|
||||
writel(EIP197_PE_OUT_DBUF_THRES_MIN(7) | EIP197_PE_OUT_DBUF_THRES_MAX(8),
|
||||
priv->base + EIP197_PE_OUT_DBUF_THRES);
|
||||
|
||||
/* Processing Engine configuration */
|
||||
|
||||
/* H/W capabilities selection */
|
||||
val = EIP197_FUNCTION_RSVD;
|
||||
val |= EIP197_PROTOCOL_ENCRYPT_ONLY | EIP197_PROTOCOL_HASH_ONLY;
|
||||
val |= EIP197_ALG_AES_ECB | EIP197_ALG_AES_CBC;
|
||||
val |= EIP197_ALG_SHA1 | EIP197_ALG_HMAC_SHA1;
|
||||
val |= EIP197_ALG_SHA2;
|
||||
writel(val, priv->base + EIP197_PE_EIP96_FUNCTION_EN);
|
||||
|
||||
/* Command Descriptor Rings prepare */
|
||||
for (i = 0; i < priv->config.rings; i++) {
|
||||
/* Clear interrupts for this ring */
|
||||
writel(GENMASK(31, 0),
|
||||
priv->base + EIP197_HIA_AIC_R_ENABLE_CLR(i));
|
||||
|
||||
/* Disable external triggering */
|
||||
writel(0, priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_CFG);
|
||||
|
||||
/* Clear the pending prepared counter */
|
||||
writel(EIP197_xDR_PREP_CLR_COUNT,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_PREP_COUNT);
|
||||
|
||||
/* Clear the pending processed counter */
|
||||
writel(EIP197_xDR_PROC_CLR_COUNT,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_PROC_COUNT);
|
||||
|
||||
writel(0,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_PREP_PNTR);
|
||||
writel(0,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_PROC_PNTR);
|
||||
|
||||
writel((EIP197_DEFAULT_RING_SIZE * priv->config.cd_offset) << 2,
|
||||
priv->base + EIP197_HIA_CDR(i) + EIP197_HIA_xDR_RING_SIZE);
|
||||
}
|
||||
|
||||
/* Result Descriptor Ring prepare */
|
||||
for (i = 0; i < priv->config.rings; i++) {
|
||||
/* Disable external triggering*/
|
||||
writel(0, priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_CFG);
|
||||
|
||||
/* Clear the pending prepared counter */
|
||||
writel(EIP197_xDR_PREP_CLR_COUNT,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_PREP_COUNT);
|
||||
|
||||
/* Clear the pending processed counter */
|
||||
writel(EIP197_xDR_PROC_CLR_COUNT,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_PROC_COUNT);
|
||||
|
||||
writel(0,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_PREP_PNTR);
|
||||
writel(0,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_PROC_PNTR);
|
||||
|
||||
/* Ring size */
|
||||
writel((EIP197_DEFAULT_RING_SIZE * priv->config.rd_offset) << 2,
|
||||
priv->base + EIP197_HIA_RDR(i) + EIP197_HIA_xDR_RING_SIZE);
|
||||
}
|
||||
|
||||
/* Enable command descriptor rings */
|
||||
writel(EIP197_DxE_THR_CTRL_EN | GENMASK(priv->config.rings - 1, 0),
|
||||
priv->base + EIP197_HIA_DFE_THR_CTRL);
|
||||
|
||||
/* Enable result descriptor rings */
|
||||
writel(EIP197_DxE_THR_CTRL_EN | GENMASK(priv->config.rings - 1, 0),
|
||||
priv->base + EIP197_HIA_DSE_THR_CTRL);
|
||||
|
||||
/* Clear any HIA interrupt */
|
||||
writel(GENMASK(30, 20), priv->base + EIP197_HIA_AIC_G_ACK);
|
||||
|
||||
eip197_trc_cache_init(priv);
|
||||
|
||||
ret = eip197_load_firmwares(priv);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
safexcel_hw_setup_cdesc_rings(priv);
|
||||
safexcel_hw_setup_rdesc_rings(priv);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring)
|
||||
{
|
||||
struct crypto_async_request *req, *backlog;
|
||||
struct safexcel_context *ctx;
|
||||
struct safexcel_request *request;
|
||||
int ret, nreq = 0, cdesc = 0, rdesc = 0, commands, results;
|
||||
|
||||
priv->ring[ring].need_dequeue = false;
|
||||
|
||||
do {
|
||||
spin_lock_bh(&priv->ring[ring].queue_lock);
|
||||
backlog = crypto_get_backlog(&priv->ring[ring].queue);
|
||||
req = crypto_dequeue_request(&priv->ring[ring].queue);
|
||||
spin_unlock_bh(&priv->ring[ring].queue_lock);
|
||||
|
||||
if (!req)
|
||||
goto finalize;
|
||||
|
||||
request = kzalloc(sizeof(*request), EIP197_GFP_FLAGS(*req));
|
||||
if (!request) {
|
||||
spin_lock_bh(&priv->ring[ring].queue_lock);
|
||||
crypto_enqueue_request(&priv->ring[ring].queue, req);
|
||||
spin_unlock_bh(&priv->ring[ring].queue_lock);
|
||||
|
||||
priv->ring[ring].need_dequeue = true;
|
||||
goto finalize;
|
||||
}
|
||||
|
||||
ctx = crypto_tfm_ctx(req->tfm);
|
||||
ret = ctx->send(req, ring, request, &commands, &results);
|
||||
if (ret) {
|
||||
kfree(request);
|
||||
req->complete(req, ret);
|
||||
priv->ring[ring].need_dequeue = true;
|
||||
goto finalize;
|
||||
}
|
||||
|
||||
if (backlog)
|
||||
backlog->complete(backlog, -EINPROGRESS);
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
list_add_tail(&request->list, &priv->ring[ring].list);
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
cdesc += commands;
|
||||
rdesc += results;
|
||||
} while (nreq++ < EIP197_MAX_BATCH_SZ);
|
||||
|
||||
finalize:
|
||||
if (nreq == EIP197_MAX_BATCH_SZ)
|
||||
priv->ring[ring].need_dequeue = true;
|
||||
else if (!nreq)
|
||||
return;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].lock);
|
||||
|
||||
/* Configure when we want an interrupt */
|
||||
writel(EIP197_HIA_RDR_THRESH_PKT_MODE |
|
||||
EIP197_HIA_RDR_THRESH_PROC_PKT(nreq),
|
||||
priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_THRESH);
|
||||
|
||||
/* let the RDR know we have pending descriptors */
|
||||
writel((rdesc * priv->config.rd_offset) << 2,
|
||||
priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PREP_COUNT);
|
||||
|
||||
/* let the CDR know we have pending descriptors */
|
||||
writel((cdesc * priv->config.cd_offset) << 2,
|
||||
priv->base + EIP197_HIA_CDR(ring) + EIP197_HIA_xDR_PREP_COUNT);
|
||||
|
||||
spin_unlock_bh(&priv->ring[ring].lock);
|
||||
}
|
||||
|
||||
void safexcel_free_context(struct safexcel_crypto_priv *priv,
|
||||
struct crypto_async_request *req,
|
||||
int result_sz)
|
||||
{
|
||||
struct safexcel_context *ctx = crypto_tfm_ctx(req->tfm);
|
||||
|
||||
if (ctx->result_dma)
|
||||
dma_unmap_single(priv->dev, ctx->result_dma, result_sz,
|
||||
DMA_FROM_DEVICE);
|
||||
|
||||
if (ctx->cache) {
|
||||
dma_unmap_single(priv->dev, ctx->cache_dma, ctx->cache_sz,
|
||||
DMA_TO_DEVICE);
|
||||
kfree(ctx->cache);
|
||||
ctx->cache = NULL;
|
||||
ctx->cache_sz = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void safexcel_complete(struct safexcel_crypto_priv *priv, int ring)
|
||||
{
|
||||
struct safexcel_command_desc *cdesc;
|
||||
|
||||
/* Acknowledge the command descriptors */
|
||||
do {
|
||||
cdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].cdr);
|
||||
if (IS_ERR(cdesc)) {
|
||||
dev_err(priv->dev,
|
||||
"Could not retrieve the command descriptor\n");
|
||||
return;
|
||||
}
|
||||
} while (!cdesc->last_seg);
|
||||
}
|
||||
|
||||
void safexcel_inv_complete(struct crypto_async_request *req, int error)
|
||||
{
|
||||
struct safexcel_inv_result *result = req->data;
|
||||
|
||||
if (error == -EINPROGRESS)
|
||||
return;
|
||||
|
||||
result->error = error;
|
||||
complete(&result->completion);
|
||||
}
|
||||
|
||||
int safexcel_invalidate_cache(struct crypto_async_request *async,
|
||||
struct safexcel_context *ctx,
|
||||
struct safexcel_crypto_priv *priv,
|
||||
dma_addr_t ctxr_dma, int ring,
|
||||
struct safexcel_request *request)
|
||||
{
|
||||
struct safexcel_command_desc *cdesc;
|
||||
struct safexcel_result_desc *rdesc;
|
||||
int ret = 0;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
/* Prepare command descriptor */
|
||||
cdesc = safexcel_add_cdesc(priv, ring, true, true, 0, 0, 0, ctxr_dma);
|
||||
if (IS_ERR(cdesc)) {
|
||||
ret = PTR_ERR(cdesc);
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
cdesc->control_data.type = EIP197_TYPE_EXTENDED;
|
||||
cdesc->control_data.options = 0;
|
||||
cdesc->control_data.refresh = 0;
|
||||
cdesc->control_data.control0 = CONTEXT_CONTROL_INV_TR;
|
||||
|
||||
/* Prepare result descriptor */
|
||||
rdesc = safexcel_add_rdesc(priv, ring, true, true, 0, 0);
|
||||
|
||||
if (IS_ERR(rdesc)) {
|
||||
ret = PTR_ERR(rdesc);
|
||||
goto cdesc_rollback;
|
||||
}
|
||||
|
||||
request->req = async;
|
||||
goto unlock;
|
||||
|
||||
cdesc_rollback:
|
||||
safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr);
|
||||
|
||||
unlock:
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv *priv,
|
||||
int ring)
|
||||
{
|
||||
struct safexcel_request *sreq;
|
||||
struct safexcel_context *ctx;
|
||||
int ret, i, nreq, ndesc = 0;
|
||||
bool should_complete;
|
||||
|
||||
nreq = readl(priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT);
|
||||
nreq >>= 24;
|
||||
nreq &= GENMASK(6, 0);
|
||||
if (!nreq)
|
||||
return;
|
||||
|
||||
for (i = 0; i < nreq; i++) {
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
sreq = list_first_entry(&priv->ring[ring].list,
|
||||
struct safexcel_request, list);
|
||||
list_del(&sreq->list);
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
ctx = crypto_tfm_ctx(sreq->req->tfm);
|
||||
ndesc = ctx->handle_result(priv, ring, sreq->req,
|
||||
&should_complete, &ret);
|
||||
if (ndesc < 0) {
|
||||
dev_err(priv->dev, "failed to handle result (%d)", ndesc);
|
||||
return;
|
||||
}
|
||||
|
||||
writel(EIP197_xDR_PROC_xD_PKT(1) |
|
||||
EIP197_xDR_PROC_xD_COUNT(ndesc * priv->config.rd_offset),
|
||||
priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT);
|
||||
|
||||
if (should_complete) {
|
||||
local_bh_disable();
|
||||
sreq->req->complete(sreq->req, ret);
|
||||
local_bh_enable();
|
||||
}
|
||||
|
||||
kfree(sreq);
|
||||
}
|
||||
}
|
||||
|
||||
static void safexcel_handle_result_work(struct work_struct *work)
|
||||
{
|
||||
struct safexcel_work_data *data =
|
||||
container_of(work, struct safexcel_work_data, work);
|
||||
struct safexcel_crypto_priv *priv = data->priv;
|
||||
|
||||
safexcel_handle_result_descriptor(priv, data->ring);
|
||||
|
||||
if (priv->ring[data->ring].need_dequeue)
|
||||
safexcel_dequeue(data->priv, data->ring);
|
||||
}
|
||||
|
||||
struct safexcel_ring_irq_data {
|
||||
struct safexcel_crypto_priv *priv;
|
||||
int ring;
|
||||
};
|
||||
|
||||
static irqreturn_t safexcel_irq_ring(int irq, void *data)
|
||||
{
|
||||
struct safexcel_ring_irq_data *irq_data = data;
|
||||
struct safexcel_crypto_priv *priv = irq_data->priv;
|
||||
int ring = irq_data->ring;
|
||||
u32 status, stat;
|
||||
|
||||
status = readl(priv->base + EIP197_HIA_AIC_R_ENABLED_STAT(ring));
|
||||
if (!status)
|
||||
return IRQ_NONE;
|
||||
|
||||
/* RDR interrupts */
|
||||
if (status & EIP197_RDR_IRQ(ring)) {
|
||||
stat = readl(priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_STAT);
|
||||
|
||||
if (unlikely(stat & EIP197_xDR_ERR)) {
|
||||
/*
|
||||
* Fatal error, the RDR is unusable and must be
|
||||
* reinitialized. This should not happen under
|
||||
* normal circumstances.
|
||||
*/
|
||||
dev_err(priv->dev, "RDR: fatal error.");
|
||||
} else if (likely(stat & EIP197_xDR_THRESH)) {
|
||||
queue_work(priv->ring[ring].workqueue, &priv->ring[ring].work_data.work);
|
||||
}
|
||||
|
||||
/* ACK the interrupts */
|
||||
writel(stat & 0xff,
|
||||
priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_STAT);
|
||||
}
|
||||
|
||||
/* ACK the interrupts */
|
||||
writel(status, priv->base + EIP197_HIA_AIC_R_ACK(ring));
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int safexcel_request_ring_irq(struct platform_device *pdev, const char *name,
|
||||
irq_handler_t handler,
|
||||
struct safexcel_ring_irq_data *ring_irq_priv)
|
||||
{
|
||||
int ret, irq = platform_get_irq_byname(pdev, name);
|
||||
|
||||
if (irq < 0) {
|
||||
dev_err(&pdev->dev, "unable to get IRQ '%s'\n", name);
|
||||
return irq;
|
||||
}
|
||||
|
||||
ret = devm_request_irq(&pdev->dev, irq, handler, 0,
|
||||
dev_name(&pdev->dev), ring_irq_priv);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev, "unable to request IRQ %d\n", irq);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return irq;
|
||||
}
|
||||
|
||||
static struct safexcel_alg_template *safexcel_algs[] = {
|
||||
&safexcel_alg_ecb_aes,
|
||||
&safexcel_alg_cbc_aes,
|
||||
&safexcel_alg_sha1,
|
||||
&safexcel_alg_sha224,
|
||||
&safexcel_alg_sha256,
|
||||
&safexcel_alg_hmac_sha1,
|
||||
};
|
||||
|
||||
static int safexcel_register_algorithms(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
int i, j, ret = 0;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(safexcel_algs); i++) {
|
||||
safexcel_algs[i]->priv = priv;
|
||||
|
||||
if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_SKCIPHER)
|
||||
ret = crypto_register_skcipher(&safexcel_algs[i]->alg.skcipher);
|
||||
else
|
||||
ret = crypto_register_ahash(&safexcel_algs[i]->alg.ahash);
|
||||
|
||||
if (ret)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
for (j = 0; j < i; j++) {
|
||||
if (safexcel_algs[j]->type == SAFEXCEL_ALG_TYPE_SKCIPHER)
|
||||
crypto_unregister_skcipher(&safexcel_algs[j]->alg.skcipher);
|
||||
else
|
||||
crypto_unregister_ahash(&safexcel_algs[j]->alg.ahash);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void safexcel_unregister_algorithms(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(safexcel_algs); i++) {
|
||||
if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_SKCIPHER)
|
||||
crypto_unregister_skcipher(&safexcel_algs[i]->alg.skcipher);
|
||||
else
|
||||
crypto_unregister_ahash(&safexcel_algs[i]->alg.ahash);
|
||||
}
|
||||
}
|
||||
|
||||
static void safexcel_configure(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
u32 val, mask;
|
||||
|
||||
val = readl(priv->base + EIP197_HIA_OPTIONS);
|
||||
val = (val & GENMASK(27, 25)) >> 25;
|
||||
mask = BIT(val) - 1;
|
||||
|
||||
val = readl(priv->base + EIP197_HIA_OPTIONS);
|
||||
priv->config.rings = min_t(u32, val & GENMASK(3, 0), max_rings);
|
||||
|
||||
priv->config.cd_size = (sizeof(struct safexcel_command_desc) / sizeof(u32));
|
||||
priv->config.cd_offset = (priv->config.cd_size + mask) & ~mask;
|
||||
|
||||
priv->config.rd_size = (sizeof(struct safexcel_result_desc) / sizeof(u32));
|
||||
priv->config.rd_offset = (priv->config.rd_size + mask) & ~mask;
|
||||
}
|
||||
|
||||
static int safexcel_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct resource *res;
|
||||
struct safexcel_crypto_priv *priv;
|
||||
u64 dma_mask;
|
||||
int i, ret;
|
||||
|
||||
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
|
||||
if (!priv)
|
||||
return -ENOMEM;
|
||||
|
||||
priv->dev = dev;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
priv->base = devm_ioremap_resource(dev, res);
|
||||
if (IS_ERR(priv->base)) {
|
||||
dev_err(dev, "failed to get resource\n");
|
||||
return PTR_ERR(priv->base);
|
||||
}
|
||||
|
||||
priv->clk = of_clk_get(dev->of_node, 0);
|
||||
if (!IS_ERR(priv->clk)) {
|
||||
ret = clk_prepare_enable(priv->clk);
|
||||
if (ret) {
|
||||
dev_err(dev, "unable to enable clk (%d)\n", ret);
|
||||
return ret;
|
||||
}
|
||||
} else {
|
||||
/* The clock isn't mandatory */
|
||||
if (PTR_ERR(priv->clk) == -EPROBE_DEFER)
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
if (of_property_read_u64(dev->of_node, "dma-mask", &dma_mask))
|
||||
dma_mask = DMA_BIT_MASK(64);
|
||||
ret = dma_set_mask_and_coherent(dev, dma_mask);
|
||||
if (ret)
|
||||
goto err_clk;
|
||||
|
||||
priv->context_pool = dmam_pool_create("safexcel-context", dev,
|
||||
sizeof(struct safexcel_context_record),
|
||||
1, 0);
|
||||
if (!priv->context_pool) {
|
||||
ret = -ENOMEM;
|
||||
goto err_clk;
|
||||
}
|
||||
|
||||
safexcel_configure(priv);
|
||||
|
||||
for (i = 0; i < priv->config.rings; i++) {
|
||||
char irq_name[6] = {0}; /* "ringX\0" */
|
||||
char wq_name[9] = {0}; /* "wq_ringX\0" */
|
||||
int irq;
|
||||
struct safexcel_ring_irq_data *ring_irq;
|
||||
|
||||
ret = safexcel_init_ring_descriptors(priv,
|
||||
&priv->ring[i].cdr,
|
||||
&priv->ring[i].rdr);
|
||||
if (ret)
|
||||
goto err_clk;
|
||||
|
||||
ring_irq = devm_kzalloc(dev, sizeof(*ring_irq), GFP_KERNEL);
|
||||
if (!ring_irq) {
|
||||
ret = -ENOMEM;
|
||||
goto err_clk;
|
||||
}
|
||||
|
||||
ring_irq->priv = priv;
|
||||
ring_irq->ring = i;
|
||||
|
||||
snprintf(irq_name, 6, "ring%d", i);
|
||||
irq = safexcel_request_ring_irq(pdev, irq_name, safexcel_irq_ring,
|
||||
ring_irq);
|
||||
|
||||
if (irq < 0)
|
||||
goto err_clk;
|
||||
|
||||
priv->ring[i].work_data.priv = priv;
|
||||
priv->ring[i].work_data.ring = i;
|
||||
INIT_WORK(&priv->ring[i].work_data.work, safexcel_handle_result_work);
|
||||
|
||||
snprintf(wq_name, 9, "wq_ring%d", i);
|
||||
priv->ring[i].workqueue = create_singlethread_workqueue(wq_name);
|
||||
if (!priv->ring[i].workqueue) {
|
||||
ret = -ENOMEM;
|
||||
goto err_clk;
|
||||
}
|
||||
|
||||
crypto_init_queue(&priv->ring[i].queue,
|
||||
EIP197_DEFAULT_RING_SIZE);
|
||||
|
||||
INIT_LIST_HEAD(&priv->ring[i].list);
|
||||
spin_lock_init(&priv->ring[i].lock);
|
||||
spin_lock_init(&priv->ring[i].egress_lock);
|
||||
spin_lock_init(&priv->ring[i].queue_lock);
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, priv);
|
||||
atomic_set(&priv->ring_used, 0);
|
||||
|
||||
ret = safexcel_hw_init(priv);
|
||||
if (ret) {
|
||||
dev_err(dev, "EIP h/w init failed (%d)\n", ret);
|
||||
goto err_clk;
|
||||
}
|
||||
|
||||
ret = safexcel_register_algorithms(priv);
|
||||
if (ret) {
|
||||
dev_err(dev, "Failed to register algorithms (%d)\n", ret);
|
||||
goto err_clk;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_clk:
|
||||
clk_disable_unprepare(priv->clk);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int safexcel_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct safexcel_crypto_priv *priv = platform_get_drvdata(pdev);
|
||||
int i;
|
||||
|
||||
safexcel_unregister_algorithms(priv);
|
||||
clk_disable_unprepare(priv->clk);
|
||||
|
||||
for (i = 0; i < priv->config.rings; i++)
|
||||
destroy_workqueue(priv->ring[i].workqueue);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id safexcel_of_match_table[] = {
|
||||
{ .compatible = "inside-secure,safexcel-eip197" },
|
||||
{},
|
||||
};
|
||||
|
||||
|
||||
static struct platform_driver crypto_safexcel = {
|
||||
.probe = safexcel_probe,
|
||||
.remove = safexcel_remove,
|
||||
.driver = {
|
||||
.name = "crypto-safexcel",
|
||||
.of_match_table = safexcel_of_match_table,
|
||||
},
|
||||
};
|
||||
module_platform_driver(crypto_safexcel);
|
||||
|
||||
MODULE_AUTHOR("Antoine Tenart <antoine.tenart@free-electrons.com>");
|
||||
MODULE_AUTHOR("Ofer Heifetz <oferh@marvell.com>");
|
||||
MODULE_AUTHOR("Igal Liberman <igall@marvell.com>");
|
||||
MODULE_DESCRIPTION("Support for SafeXcel cryptographic engine EIP197");
|
||||
MODULE_LICENSE("GPL v2");
|
574
drivers/crypto/inside-secure/safexcel.h
Normal file
574
drivers/crypto/inside-secure/safexcel.h
Normal file
@ -0,0 +1,574 @@
|
||||
/*
|
||||
* Copyright (C) 2017 Marvell
|
||||
*
|
||||
* Antoine Tenart <antoine.tenart@free-electrons.com>
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#ifndef __SAFEXCEL_H__
|
||||
#define __SAFEXCEL_H__
|
||||
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/skcipher.h>
|
||||
|
||||
#define EIP197_HIA_VERSION_LE 0xca35
|
||||
#define EIP197_HIA_VERSION_BE 0x35ca
|
||||
|
||||
/* Static configuration */
|
||||
#define EIP197_DEFAULT_RING_SIZE 64
|
||||
#define EIP197_MAX_TOKENS 5
|
||||
#define EIP197_MAX_RINGS 4
|
||||
#define EIP197_FETCH_COUNT 1
|
||||
#define EIP197_MAX_BATCH_SZ EIP197_DEFAULT_RING_SIZE
|
||||
|
||||
#define EIP197_GFP_FLAGS(base) ((base).flags & CRYPTO_TFM_REQ_MAY_SLEEP ? \
|
||||
GFP_KERNEL : GFP_ATOMIC)
|
||||
|
||||
/* CDR/RDR register offsets */
|
||||
#define EIP197_HIA_xDR_OFF(r) (0x80000 + (r) * 0x1000)
|
||||
#define EIP197_HIA_CDR(r) (EIP197_HIA_xDR_OFF(r))
|
||||
#define EIP197_HIA_RDR(r) (EIP197_HIA_xDR_OFF(r) + 0x800)
|
||||
#define EIP197_HIA_xDR_RING_BASE_ADDR_LO 0x0
|
||||
#define EIP197_HIA_xDR_RING_BASE_ADDR_HI 0x4
|
||||
#define EIP197_HIA_xDR_RING_SIZE 0x18
|
||||
#define EIP197_HIA_xDR_DESC_SIZE 0x1c
|
||||
#define EIP197_HIA_xDR_CFG 0x20
|
||||
#define EIP197_HIA_xDR_DMA_CFG 0x24
|
||||
#define EIP197_HIA_xDR_THRESH 0x28
|
||||
#define EIP197_HIA_xDR_PREP_COUNT 0x2c
|
||||
#define EIP197_HIA_xDR_PROC_COUNT 0x30
|
||||
#define EIP197_HIA_xDR_PREP_PNTR 0x34
|
||||
#define EIP197_HIA_xDR_PROC_PNTR 0x38
|
||||
#define EIP197_HIA_xDR_STAT 0x3c
|
||||
|
||||
/* register offsets */
|
||||
#define EIP197_HIA_DFE_CFG 0x8c000
|
||||
#define EIP197_HIA_DFE_THR_CTRL 0x8c040
|
||||
#define EIP197_HIA_DFE_THR_STAT 0x8c044
|
||||
#define EIP197_HIA_DSE_CFG 0x8d000
|
||||
#define EIP197_HIA_DSE_THR_CTRL 0x8d040
|
||||
#define EIP197_HIA_DSE_THR_STAT 0x8d044
|
||||
#define EIP197_HIA_RA_PE_CTRL 0x90010
|
||||
#define EIP197_HIA_RA_PE_STAT 0x90014
|
||||
#define EIP197_HIA_AIC_R_OFF(r) ((r) * 0x1000)
|
||||
#define EIP197_HIA_AIC_R_ENABLE_CTRL(r) (0x9e808 - EIP197_HIA_AIC_R_OFF(r))
|
||||
#define EIP197_HIA_AIC_R_ENABLED_STAT(r) (0x9e810 - EIP197_HIA_AIC_R_OFF(r))
|
||||
#define EIP197_HIA_AIC_R_ACK(r) (0x9e810 - EIP197_HIA_AIC_R_OFF(r))
|
||||
#define EIP197_HIA_AIC_R_ENABLE_CLR(r) (0x9e814 - EIP197_HIA_AIC_R_OFF(r))
|
||||
#define EIP197_HIA_AIC_G_ENABLE_CTRL 0x9f808
|
||||
#define EIP197_HIA_AIC_G_ENABLED_STAT 0x9f810
|
||||
#define EIP197_HIA_AIC_G_ACK 0x9f810
|
||||
#define EIP197_HIA_MST_CTRL 0x9fff4
|
||||
#define EIP197_HIA_OPTIONS 0x9fff8
|
||||
#define EIP197_HIA_VERSION 0x9fffc
|
||||
#define EIP197_PE_IN_DBUF_THRES 0xa0000
|
||||
#define EIP197_PE_IN_TBUF_THRES 0xa0100
|
||||
#define EIP197_PE_ICE_SCRATCH_RAM 0xa0800
|
||||
#define EIP197_PE_ICE_PUE_CTRL 0xa0c80
|
||||
#define EIP197_PE_ICE_SCRATCH_CTRL 0xa0d04
|
||||
#define EIP197_PE_ICE_FPP_CTRL 0xa0d80
|
||||
#define EIP197_PE_ICE_RAM_CTRL 0xa0ff0
|
||||
#define EIP197_PE_EIP96_FUNCTION_EN 0xa1004
|
||||
#define EIP197_PE_EIP96_CONTEXT_CTRL 0xa1008
|
||||
#define EIP197_PE_EIP96_CONTEXT_STAT 0xa100c
|
||||
#define EIP197_PE_OUT_DBUF_THRES 0xa1c00
|
||||
#define EIP197_PE_OUT_TBUF_THRES 0xa1d00
|
||||
#define EIP197_CLASSIFICATION_RAMS 0xe0000
|
||||
#define EIP197_TRC_CTRL 0xf0800
|
||||
#define EIP197_TRC_LASTRES 0xf0804
|
||||
#define EIP197_TRC_REGINDEX 0xf0808
|
||||
#define EIP197_TRC_PARAMS 0xf0820
|
||||
#define EIP197_TRC_FREECHAIN 0xf0824
|
||||
#define EIP197_TRC_PARAMS2 0xf0828
|
||||
#define EIP197_TRC_ECCCTRL 0xf0830
|
||||
#define EIP197_TRC_ECCSTAT 0xf0834
|
||||
#define EIP197_TRC_ECCADMINSTAT 0xf0838
|
||||
#define EIP197_TRC_ECCDATASTAT 0xf083c
|
||||
#define EIP197_TRC_ECCDATA 0xf0840
|
||||
#define EIP197_CS_RAM_CTRL 0xf7ff0
|
||||
#define EIP197_MST_CTRL 0xffff4
|
||||
|
||||
/* EIP197_HIA_xDR_DESC_SIZE */
|
||||
#define EIP197_xDR_DESC_MODE_64BIT BIT(31)
|
||||
|
||||
/* EIP197_HIA_xDR_DMA_CFG */
|
||||
#define EIP197_HIA_xDR_WR_RES_BUF BIT(22)
|
||||
#define EIP197_HIA_xDR_WR_CTRL_BUG BIT(23)
|
||||
#define EIP197_HIA_xDR_WR_OWN_BUF BIT(24)
|
||||
#define EIP197_HIA_xDR_CFG_WR_CACHE(n) (((n) & 0x7) << 25)
|
||||
#define EIP197_HIA_xDR_CFG_RD_CACHE(n) (((n) & 0x7) << 29)
|
||||
|
||||
/* EIP197_HIA_CDR_THRESH */
|
||||
#define EIP197_HIA_CDR_THRESH_PROC_PKT(n) (n)
|
||||
#define EIP197_HIA_CDR_THRESH_PROC_MODE BIT(22)
|
||||
#define EIP197_HIA_CDR_THRESH_PKT_MODE BIT(23)
|
||||
#define EIP197_HIA_CDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */
|
||||
|
||||
/* EIP197_HIA_RDR_THRESH */
|
||||
#define EIP197_HIA_RDR_THRESH_PROC_PKT(n) (n)
|
||||
#define EIP197_HIA_RDR_THRESH_PKT_MODE BIT(23)
|
||||
#define EIP197_HIA_RDR_THRESH_TIMEOUT(n) ((n) << 24) /* x256 clk cycles */
|
||||
|
||||
/* EIP197_HIA_xDR_PREP_COUNT */
|
||||
#define EIP197_xDR_PREP_CLR_COUNT BIT(31)
|
||||
|
||||
/* EIP197_HIA_xDR_PROC_COUNT */
|
||||
#define EIP197_xDR_PROC_xD_COUNT(n) ((n) << 2)
|
||||
#define EIP197_xDR_PROC_xD_PKT(n) ((n) << 24)
|
||||
#define EIP197_xDR_PROC_CLR_COUNT BIT(31)
|
||||
|
||||
/* EIP197_HIA_xDR_STAT */
|
||||
#define EIP197_xDR_DMA_ERR BIT(0)
|
||||
#define EIP197_xDR_PREP_CMD_THRES BIT(1)
|
||||
#define EIP197_xDR_ERR BIT(2)
|
||||
#define EIP197_xDR_THRESH BIT(4)
|
||||
#define EIP197_xDR_TIMEOUT BIT(5)
|
||||
|
||||
#define EIP197_HIA_RA_PE_CTRL_RESET BIT(31)
|
||||
#define EIP197_HIA_RA_PE_CTRL_EN BIT(30)
|
||||
|
||||
/* EIP197_HIA_AIC_R_ENABLE_CTRL */
|
||||
#define EIP197_CDR_IRQ(n) BIT((n) * 2)
|
||||
#define EIP197_RDR_IRQ(n) BIT((n) * 2 + 1)
|
||||
|
||||
/* EIP197_HIA_DFE/DSE_CFG */
|
||||
#define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n) ((n) << 0)
|
||||
#define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n) (((n) & 0x7) << 4)
|
||||
#define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n) ((n) << 8)
|
||||
#define EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE GENMASK(15, 14)
|
||||
#define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n) ((n) << 16)
|
||||
#define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n) (((n) & 0x7) << 20)
|
||||
#define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n) ((n) << 24)
|
||||
#define EIP197_HIA_DFE_CFG_DIS_DEBUG (BIT(31) | BIT(29))
|
||||
#define EIP197_HIA_DSE_CFG_EN_SINGLE_WR BIT(29)
|
||||
#define EIP197_HIA_DSE_CFG_DIS_DEBUG BIT(31)
|
||||
|
||||
/* EIP197_HIA_DFE/DSE_THR_CTRL */
|
||||
#define EIP197_DxE_THR_CTRL_EN BIT(30)
|
||||
#define EIP197_DxE_THR_CTRL_RESET_PE BIT(31)
|
||||
|
||||
/* EIP197_HIA_AIC_G_ENABLED_STAT */
|
||||
#define EIP197_G_IRQ_DFE(n) BIT((n) << 1)
|
||||
#define EIP197_G_IRQ_DSE(n) BIT(((n) << 1) + 1)
|
||||
#define EIP197_G_IRQ_RING BIT(16)
|
||||
#define EIP197_G_IRQ_PE(n) BIT((n) + 20)
|
||||
|
||||
/* EIP197_HIA_MST_CTRL */
|
||||
#define RD_CACHE_3BITS 0x5
|
||||
#define WR_CACHE_3BITS 0x3
|
||||
#define RD_CACHE_4BITS (RD_CACHE_3BITS << 1 | BIT(0))
|
||||
#define WR_CACHE_4BITS (WR_CACHE_3BITS << 1 | BIT(0))
|
||||
#define EIP197_MST_CTRL_RD_CACHE(n) (((n) & 0xf) << 0)
|
||||
#define EIP197_MST_CTRL_WD_CACHE(n) (((n) & 0xf) << 4)
|
||||
#define EIP197_MST_CTRL_BYTE_SWAP BIT(24)
|
||||
#define EIP197_MST_CTRL_NO_BYTE_SWAP BIT(25)
|
||||
|
||||
/* EIP197_PE_IN_DBUF/TBUF_THRES */
|
||||
#define EIP197_PE_IN_xBUF_THRES_MIN(n) ((n) << 8)
|
||||
#define EIP197_PE_IN_xBUF_THRES_MAX(n) ((n) << 12)
|
||||
|
||||
/* EIP197_PE_OUT_DBUF_THRES */
|
||||
#define EIP197_PE_OUT_DBUF_THRES_MIN(n) ((n) << 0)
|
||||
#define EIP197_PE_OUT_DBUF_THRES_MAX(n) ((n) << 4)
|
||||
|
||||
/* EIP197_PE_ICE_SCRATCH_CTRL */
|
||||
#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_TIMER BIT(2)
|
||||
#define EIP197_PE_ICE_SCRATCH_CTRL_TIMER_EN BIT(3)
|
||||
#define EIP197_PE_ICE_SCRATCH_CTRL_CHANGE_ACCESS BIT(24)
|
||||
#define EIP197_PE_ICE_SCRATCH_CTRL_SCRATCH_ACCESS BIT(25)
|
||||
|
||||
/* EIP197_PE_ICE_SCRATCH_RAM */
|
||||
#define EIP197_NUM_OF_SCRATCH_BLOCKS 32
|
||||
|
||||
/* EIP197_PE_ICE_PUE/FPP_CTRL */
|
||||
#define EIP197_PE_ICE_x_CTRL_SW_RESET BIT(0)
|
||||
#define EIP197_PE_ICE_x_CTRL_CLR_ECC_NON_CORR BIT(14)
|
||||
#define EIP197_PE_ICE_x_CTRL_CLR_ECC_CORR BIT(15)
|
||||
|
||||
/* EIP197_PE_ICE_RAM_CTRL */
|
||||
#define EIP197_PE_ICE_RAM_CTRL_PUE_PROG_EN BIT(0)
|
||||
#define EIP197_PE_ICE_RAM_CTRL_FPP_PROG_EN BIT(1)
|
||||
|
||||
/* EIP197_PE_EIP96_FUNCTION_EN */
|
||||
#define EIP197_FUNCTION_RSVD (BIT(6) | BIT(15) | BIT(20) | BIT(23))
|
||||
#define EIP197_PROTOCOL_HASH_ONLY BIT(0)
|
||||
#define EIP197_PROTOCOL_ENCRYPT_ONLY BIT(1)
|
||||
#define EIP197_PROTOCOL_HASH_ENCRYPT BIT(2)
|
||||
#define EIP197_PROTOCOL_HASH_DECRYPT BIT(3)
|
||||
#define EIP197_PROTOCOL_ENCRYPT_HASH BIT(4)
|
||||
#define EIP197_PROTOCOL_DECRYPT_HASH BIT(5)
|
||||
#define EIP197_ALG_ARC4 BIT(7)
|
||||
#define EIP197_ALG_AES_ECB BIT(8)
|
||||
#define EIP197_ALG_AES_CBC BIT(9)
|
||||
#define EIP197_ALG_AES_CTR_ICM BIT(10)
|
||||
#define EIP197_ALG_AES_OFB BIT(11)
|
||||
#define EIP197_ALG_AES_CFB BIT(12)
|
||||
#define EIP197_ALG_DES_ECB BIT(13)
|
||||
#define EIP197_ALG_DES_CBC BIT(14)
|
||||
#define EIP197_ALG_DES_OFB BIT(16)
|
||||
#define EIP197_ALG_DES_CFB BIT(17)
|
||||
#define EIP197_ALG_3DES_ECB BIT(18)
|
||||
#define EIP197_ALG_3DES_CBC BIT(19)
|
||||
#define EIP197_ALG_3DES_OFB BIT(21)
|
||||
#define EIP197_ALG_3DES_CFB BIT(22)
|
||||
#define EIP197_ALG_MD5 BIT(24)
|
||||
#define EIP197_ALG_HMAC_MD5 BIT(25)
|
||||
#define EIP197_ALG_SHA1 BIT(26)
|
||||
#define EIP197_ALG_HMAC_SHA1 BIT(27)
|
||||
#define EIP197_ALG_SHA2 BIT(28)
|
||||
#define EIP197_ALG_HMAC_SHA2 BIT(29)
|
||||
#define EIP197_ALG_AES_XCBC_MAC BIT(30)
|
||||
#define EIP197_ALG_GCM_HASH BIT(31)
|
||||
|
||||
/* EIP197_PE_EIP96_CONTEXT_CTRL */
|
||||
#define EIP197_CONTEXT_SIZE(n) (n)
|
||||
#define EIP197_ADDRESS_MODE BIT(8)
|
||||
#define EIP197_CONTROL_MODE BIT(9)
|
||||
|
||||
/* Context Control */
|
||||
struct safexcel_context_record {
|
||||
u32 control0;
|
||||
u32 control1;
|
||||
|
||||
__le32 data[12];
|
||||
} __packed;
|
||||
|
||||
/* control0 */
|
||||
#define CONTEXT_CONTROL_TYPE_NULL_OUT 0x0
|
||||
#define CONTEXT_CONTROL_TYPE_NULL_IN 0x1
|
||||
#define CONTEXT_CONTROL_TYPE_HASH_OUT 0x2
|
||||
#define CONTEXT_CONTROL_TYPE_HASH_IN 0x3
|
||||
#define CONTEXT_CONTROL_TYPE_CRYPTO_OUT 0x4
|
||||
#define CONTEXT_CONTROL_TYPE_CRYPTO_IN 0x5
|
||||
#define CONTEXT_CONTROL_TYPE_ENCRYPT_HASH_OUT 0x6
|
||||
#define CONTEXT_CONTROL_TYPE_DECRYPT_HASH_IN 0x7
|
||||
#define CONTEXT_CONTROL_TYPE_HASH_ENCRYPT_OUT 0x14
|
||||
#define CONTEXT_CONTROL_TYPE_HASH_DECRYPT_OUT 0x15
|
||||
#define CONTEXT_CONTROL_RESTART_HASH BIT(4)
|
||||
#define CONTEXT_CONTROL_NO_FINISH_HASH BIT(5)
|
||||
#define CONTEXT_CONTROL_SIZE(n) ((n) << 8)
|
||||
#define CONTEXT_CONTROL_KEY_EN BIT(16)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_AES128 (0x5 << 17)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_AES192 (0x6 << 17)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_AES256 (0x7 << 17)
|
||||
#define CONTEXT_CONTROL_DIGEST_PRECOMPUTED (0x1 << 21)
|
||||
#define CONTEXT_CONTROL_DIGEST_HMAC (0x3 << 21)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_SHA1 (0x2 << 23)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_SHA224 (0x4 << 23)
|
||||
#define CONTEXT_CONTROL_CRYPTO_ALG_SHA256 (0x3 << 23)
|
||||
#define CONTEXT_CONTROL_INV_FR (0x5 << 24)
|
||||
#define CONTEXT_CONTROL_INV_TR (0x6 << 24)
|
||||
|
||||
/* control1 */
|
||||
#define CONTEXT_CONTROL_CRYPTO_MODE_ECB (0 << 0)
|
||||
#define CONTEXT_CONTROL_CRYPTO_MODE_CBC (1 << 0)
|
||||
#define CONTEXT_CONTROL_IV0 BIT(5)
|
||||
#define CONTEXT_CONTROL_IV1 BIT(6)
|
||||
#define CONTEXT_CONTROL_IV2 BIT(7)
|
||||
#define CONTEXT_CONTROL_IV3 BIT(8)
|
||||
#define CONTEXT_CONTROL_DIGEST_CNT BIT(9)
|
||||
#define CONTEXT_CONTROL_COUNTER_MODE BIT(10)
|
||||
#define CONTEXT_CONTROL_HASH_STORE BIT(19)
|
||||
|
||||
/* EIP197_CS_RAM_CTRL */
|
||||
#define EIP197_TRC_ENABLE_0 BIT(4)
|
||||
#define EIP197_TRC_ENABLE_1 BIT(5)
|
||||
#define EIP197_TRC_ENABLE_2 BIT(6)
|
||||
#define EIP197_TRC_ENABLE_MASK GENMASK(6, 4)
|
||||
|
||||
/* EIP197_TRC_PARAMS */
|
||||
#define EIP197_TRC_PARAMS_SW_RESET BIT(0)
|
||||
#define EIP197_TRC_PARAMS_DATA_ACCESS BIT(2)
|
||||
#define EIP197_TRC_PARAMS_HTABLE_SZ(x) ((x) << 4)
|
||||
#define EIP197_TRC_PARAMS_BLK_TIMER_SPEED(x) ((x) << 10)
|
||||
#define EIP197_TRC_PARAMS_RC_SZ_LARGE(n) ((n) << 18)
|
||||
|
||||
/* EIP197_TRC_FREECHAIN */
|
||||
#define EIP197_TRC_FREECHAIN_HEAD_PTR(p) (p)
|
||||
#define EIP197_TRC_FREECHAIN_TAIL_PTR(p) ((p) << 16)
|
||||
|
||||
/* EIP197_TRC_PARAMS2 */
|
||||
#define EIP197_TRC_PARAMS2_HTABLE_PTR(p) (p)
|
||||
#define EIP197_TRC_PARAMS2_RC_SZ_SMALL(n) ((n) << 18)
|
||||
|
||||
/* Cache helpers */
|
||||
#define EIP197_CS_RC_MAX 52
|
||||
#define EIP197_CS_RC_SIZE (4 * sizeof(u32))
|
||||
#define EIP197_CS_RC_NEXT(x) (x)
|
||||
#define EIP197_CS_RC_PREV(x) ((x) << 10)
|
||||
#define EIP197_RC_NULL 0x3ff
|
||||
#define EIP197_CS_TRC_REC_WC 59
|
||||
#define EIP197_CS_TRC_LG_REC_WC 73
|
||||
|
||||
/* Result data */
|
||||
struct result_data_desc {
|
||||
u32 packet_length:17;
|
||||
u32 error_code:15;
|
||||
|
||||
u8 bypass_length:4;
|
||||
u8 e15:1;
|
||||
u16 rsvd0;
|
||||
u8 hash_bytes:1;
|
||||
u8 hash_length:6;
|
||||
u8 generic_bytes:1;
|
||||
u8 checksum:1;
|
||||
u8 next_header:1;
|
||||
u8 length:1;
|
||||
|
||||
u16 application_id;
|
||||
u16 rsvd1;
|
||||
|
||||
u32 rsvd2;
|
||||
} __packed;
|
||||
|
||||
|
||||
/* Basic Result Descriptor format */
|
||||
struct safexcel_result_desc {
|
||||
u32 particle_size:17;
|
||||
u8 rsvd0:3;
|
||||
u8 descriptor_overflow:1;
|
||||
u8 buffer_overflow:1;
|
||||
u8 last_seg:1;
|
||||
u8 first_seg:1;
|
||||
u16 result_size:8;
|
||||
|
||||
u32 rsvd1;
|
||||
|
||||
u32 data_lo;
|
||||
u32 data_hi;
|
||||
|
||||
struct result_data_desc result_data;
|
||||
} __packed;
|
||||
|
||||
struct safexcel_token {
|
||||
u32 packet_length:17;
|
||||
u8 stat:2;
|
||||
u16 instructions:9;
|
||||
u8 opcode:4;
|
||||
} __packed;
|
||||
|
||||
#define EIP197_TOKEN_STAT_LAST_HASH BIT(0)
|
||||
#define EIP197_TOKEN_STAT_LAST_PACKET BIT(1)
|
||||
#define EIP197_TOKEN_OPCODE_DIRECTION 0x0
|
||||
#define EIP197_TOKEN_OPCODE_INSERT 0x2
|
||||
#define EIP197_TOKEN_OPCODE_NOOP EIP197_TOKEN_OPCODE_INSERT
|
||||
#define EIP197_TOKEN_OPCODE_BYPASS GENMASK(3, 0)
|
||||
|
||||
static inline void eip197_noop_token(struct safexcel_token *token)
|
||||
{
|
||||
token->opcode = EIP197_TOKEN_OPCODE_NOOP;
|
||||
token->packet_length = BIT(2);
|
||||
}
|
||||
|
||||
/* Instructions */
|
||||
#define EIP197_TOKEN_INS_INSERT_HASH_DIGEST 0x1c
|
||||
#define EIP197_TOKEN_INS_TYPE_OUTPUT BIT(5)
|
||||
#define EIP197_TOKEN_INS_TYPE_HASH BIT(6)
|
||||
#define EIP197_TOKEN_INS_TYPE_CRYTO BIT(7)
|
||||
#define EIP197_TOKEN_INS_LAST BIT(8)
|
||||
|
||||
/* Processing Engine Control Data */
|
||||
struct safexcel_control_data_desc {
|
||||
u32 packet_length:17;
|
||||
u16 options:13;
|
||||
u8 type:2;
|
||||
|
||||
u16 application_id;
|
||||
u16 rsvd;
|
||||
|
||||
u8 refresh:2;
|
||||
u32 context_lo:30;
|
||||
u32 context_hi;
|
||||
|
||||
u32 control0;
|
||||
u32 control1;
|
||||
|
||||
u32 token[EIP197_MAX_TOKENS];
|
||||
} __packed;
|
||||
|
||||
#define EIP197_OPTION_MAGIC_VALUE BIT(0)
|
||||
#define EIP197_OPTION_64BIT_CTX BIT(1)
|
||||
#define EIP197_OPTION_CTX_CTRL_IN_CMD BIT(8)
|
||||
#define EIP197_OPTION_4_TOKEN_IV_CMD GENMASK(11, 9)
|
||||
|
||||
#define EIP197_TYPE_EXTENDED 0x3
|
||||
|
||||
/* Basic Command Descriptor format */
|
||||
struct safexcel_command_desc {
|
||||
u32 particle_size:17;
|
||||
u8 rsvd0:5;
|
||||
u8 last_seg:1;
|
||||
u8 first_seg:1;
|
||||
u16 additional_cdata_size:8;
|
||||
|
||||
u32 rsvd1;
|
||||
|
||||
u32 data_lo;
|
||||
u32 data_hi;
|
||||
|
||||
struct safexcel_control_data_desc control_data;
|
||||
} __packed;
|
||||
|
||||
/*
|
||||
* Internal structures & functions
|
||||
*/
|
||||
|
||||
enum eip197_fw {
|
||||
FW_IFPP = 0,
|
||||
FW_IPUE,
|
||||
FW_NB
|
||||
};
|
||||
|
||||
struct safexcel_ring {
|
||||
void *base;
|
||||
void *base_end;
|
||||
dma_addr_t base_dma;
|
||||
|
||||
/* write and read pointers */
|
||||
void *write;
|
||||
void *read;
|
||||
|
||||
/* number of elements used in the ring */
|
||||
unsigned nr;
|
||||
unsigned offset;
|
||||
};
|
||||
|
||||
enum safexcel_alg_type {
|
||||
SAFEXCEL_ALG_TYPE_SKCIPHER,
|
||||
SAFEXCEL_ALG_TYPE_AHASH,
|
||||
};
|
||||
|
||||
struct safexcel_request {
|
||||
struct list_head list;
|
||||
struct crypto_async_request *req;
|
||||
};
|
||||
|
||||
struct safexcel_config {
|
||||
u32 rings;
|
||||
|
||||
u32 cd_size;
|
||||
u32 cd_offset;
|
||||
|
||||
u32 rd_size;
|
||||
u32 rd_offset;
|
||||
};
|
||||
|
||||
struct safexcel_work_data {
|
||||
struct work_struct work;
|
||||
struct safexcel_crypto_priv *priv;
|
||||
int ring;
|
||||
};
|
||||
|
||||
struct safexcel_crypto_priv {
|
||||
void __iomem *base;
|
||||
struct device *dev;
|
||||
struct clk *clk;
|
||||
struct safexcel_config config;
|
||||
|
||||
/* context DMA pool */
|
||||
struct dma_pool *context_pool;
|
||||
|
||||
atomic_t ring_used;
|
||||
|
||||
struct {
|
||||
spinlock_t lock;
|
||||
spinlock_t egress_lock;
|
||||
|
||||
struct list_head list;
|
||||
struct workqueue_struct *workqueue;
|
||||
struct safexcel_work_data work_data;
|
||||
|
||||
/* command/result rings */
|
||||
struct safexcel_ring cdr;
|
||||
struct safexcel_ring rdr;
|
||||
|
||||
/* queue */
|
||||
struct crypto_queue queue;
|
||||
spinlock_t queue_lock;
|
||||
bool need_dequeue;
|
||||
} ring[EIP197_MAX_RINGS];
|
||||
};
|
||||
|
||||
struct safexcel_context {
|
||||
int (*send)(struct crypto_async_request *req, int ring,
|
||||
struct safexcel_request *request, int *commands,
|
||||
int *results);
|
||||
int (*handle_result)(struct safexcel_crypto_priv *priv, int ring,
|
||||
struct crypto_async_request *req, bool *complete,
|
||||
int *ret);
|
||||
struct safexcel_context_record *ctxr;
|
||||
dma_addr_t ctxr_dma;
|
||||
|
||||
int ring;
|
||||
bool needs_inv;
|
||||
bool exit_inv;
|
||||
|
||||
/* Used for ahash requests */
|
||||
dma_addr_t result_dma;
|
||||
void *cache;
|
||||
dma_addr_t cache_dma;
|
||||
unsigned int cache_sz;
|
||||
};
|
||||
|
||||
/*
|
||||
* Template structure to describe the algorithms in order to register them.
|
||||
* It also has the purpose to contain our private structure and is actually
|
||||
* the only way I know in this framework to avoid having global pointers...
|
||||
*/
|
||||
struct safexcel_alg_template {
|
||||
struct safexcel_crypto_priv *priv;
|
||||
enum safexcel_alg_type type;
|
||||
union {
|
||||
struct skcipher_alg skcipher;
|
||||
struct ahash_alg ahash;
|
||||
} alg;
|
||||
};
|
||||
|
||||
struct safexcel_inv_result {
|
||||
struct completion completion;
|
||||
int error;
|
||||
};
|
||||
|
||||
void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring);
|
||||
void safexcel_complete(struct safexcel_crypto_priv *priv, int ring);
|
||||
void safexcel_free_context(struct safexcel_crypto_priv *priv,
|
||||
struct crypto_async_request *req,
|
||||
int result_sz);
|
||||
int safexcel_invalidate_cache(struct crypto_async_request *async,
|
||||
struct safexcel_context *ctx,
|
||||
struct safexcel_crypto_priv *priv,
|
||||
dma_addr_t ctxr_dma, int ring,
|
||||
struct safexcel_request *request);
|
||||
int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *cdr,
|
||||
struct safexcel_ring *rdr);
|
||||
int safexcel_select_ring(struct safexcel_crypto_priv *priv);
|
||||
void *safexcel_ring_next_rptr(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *ring);
|
||||
void safexcel_ring_rollback_wptr(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *ring);
|
||||
struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv,
|
||||
int ring_id,
|
||||
bool first, bool last,
|
||||
dma_addr_t data, u32 len,
|
||||
u32 full_data_len,
|
||||
dma_addr_t context);
|
||||
struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *priv,
|
||||
int ring_id,
|
||||
bool first, bool last,
|
||||
dma_addr_t data, u32 len);
|
||||
void safexcel_inv_complete(struct crypto_async_request *req, int error);
|
||||
|
||||
/* available algorithms */
|
||||
extern struct safexcel_alg_template safexcel_alg_ecb_aes;
|
||||
extern struct safexcel_alg_template safexcel_alg_cbc_aes;
|
||||
extern struct safexcel_alg_template safexcel_alg_sha1;
|
||||
extern struct safexcel_alg_template safexcel_alg_sha224;
|
||||
extern struct safexcel_alg_template safexcel_alg_sha256;
|
||||
extern struct safexcel_alg_template safexcel_alg_hmac_sha1;
|
||||
|
||||
#endif
|
561
drivers/crypto/inside-secure/safexcel_cipher.c
Normal file
561
drivers/crypto/inside-secure/safexcel_cipher.c
Normal file
@ -0,0 +1,561 @@
|
||||
/*
|
||||
* Copyright (C) 2017 Marvell
|
||||
*
|
||||
* Antoine Tenart <antoine.tenart@free-electrons.com>
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/device.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/dmapool.h>
|
||||
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/skcipher.h>
|
||||
|
||||
#include "safexcel.h"
|
||||
|
||||
enum safexcel_cipher_direction {
|
||||
SAFEXCEL_ENCRYPT,
|
||||
SAFEXCEL_DECRYPT,
|
||||
};
|
||||
|
||||
struct safexcel_cipher_ctx {
|
||||
struct safexcel_context base;
|
||||
struct safexcel_crypto_priv *priv;
|
||||
|
||||
enum safexcel_cipher_direction direction;
|
||||
u32 mode;
|
||||
|
||||
__le32 key[8];
|
||||
unsigned int key_len;
|
||||
};
|
||||
|
||||
static void safexcel_cipher_token(struct safexcel_cipher_ctx *ctx,
|
||||
struct crypto_async_request *async,
|
||||
struct safexcel_command_desc *cdesc,
|
||||
u32 length)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct safexcel_token *token;
|
||||
unsigned offset = 0;
|
||||
|
||||
if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CBC) {
|
||||
offset = AES_BLOCK_SIZE / sizeof(u32);
|
||||
memcpy(cdesc->control_data.token, req->iv, AES_BLOCK_SIZE);
|
||||
|
||||
cdesc->control_data.options |= EIP197_OPTION_4_TOKEN_IV_CMD;
|
||||
}
|
||||
|
||||
token = (struct safexcel_token *)(cdesc->control_data.token + offset);
|
||||
|
||||
token[0].opcode = EIP197_TOKEN_OPCODE_DIRECTION;
|
||||
token[0].packet_length = length;
|
||||
token[0].stat = EIP197_TOKEN_STAT_LAST_PACKET;
|
||||
token[0].instructions = EIP197_TOKEN_INS_LAST |
|
||||
EIP197_TOKEN_INS_TYPE_CRYTO |
|
||||
EIP197_TOKEN_INS_TYPE_OUTPUT;
|
||||
}
|
||||
|
||||
static int safexcel_aes_setkey(struct crypto_skcipher *ctfm, const u8 *key,
|
||||
unsigned int len)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm);
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct crypto_aes_ctx aes;
|
||||
int ret, i;
|
||||
|
||||
ret = crypto_aes_expand_key(&aes, key, len);
|
||||
if (ret) {
|
||||
crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return ret;
|
||||
}
|
||||
|
||||
for (i = 0; i < len / sizeof(u32); i++) {
|
||||
if (ctx->key[i] != cpu_to_le32(aes.key_enc[i])) {
|
||||
ctx->base.needs_inv = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < len / sizeof(u32); i++)
|
||||
ctx->key[i] = cpu_to_le32(aes.key_enc[i]);
|
||||
|
||||
ctx->key_len = len;
|
||||
|
||||
memzero_explicit(&aes, sizeof(aes));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_context_control(struct safexcel_cipher_ctx *ctx,
|
||||
struct safexcel_command_desc *cdesc)
|
||||
{
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
int ctrl_size;
|
||||
|
||||
if (ctx->direction == SAFEXCEL_ENCRYPT)
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_CRYPTO_OUT;
|
||||
else
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_CRYPTO_IN;
|
||||
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_KEY_EN;
|
||||
cdesc->control_data.control1 |= ctx->mode;
|
||||
|
||||
switch (ctx->key_len) {
|
||||
case AES_KEYSIZE_128:
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES128;
|
||||
ctrl_size = 4;
|
||||
break;
|
||||
case AES_KEYSIZE_192:
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES192;
|
||||
ctrl_size = 6;
|
||||
break;
|
||||
case AES_KEYSIZE_256:
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES256;
|
||||
ctrl_size = 8;
|
||||
break;
|
||||
default:
|
||||
dev_err(priv->dev, "aes keysize not supported: %u\n",
|
||||
ctx->key_len);
|
||||
return -EINVAL;
|
||||
}
|
||||
cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(ctrl_size);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring,
|
||||
struct crypto_async_request *async,
|
||||
bool *should_complete, int *ret)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct safexcel_result_desc *rdesc;
|
||||
int ndesc = 0;
|
||||
|
||||
*ret = 0;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
do {
|
||||
rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr);
|
||||
if (IS_ERR(rdesc)) {
|
||||
dev_err(priv->dev,
|
||||
"cipher: result: could not retrieve the result descriptor\n");
|
||||
*ret = PTR_ERR(rdesc);
|
||||
break;
|
||||
}
|
||||
|
||||
if (rdesc->result_data.error_code) {
|
||||
dev_err(priv->dev,
|
||||
"cipher: result: result descriptor error (%d)\n",
|
||||
rdesc->result_data.error_code);
|
||||
*ret = -EIO;
|
||||
}
|
||||
|
||||
ndesc++;
|
||||
} while (!rdesc->last_seg);
|
||||
|
||||
safexcel_complete(priv, ring);
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
if (req->src == req->dst) {
|
||||
dma_unmap_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_BIDIRECTIONAL);
|
||||
} else {
|
||||
dma_unmap_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_TO_DEVICE);
|
||||
dma_unmap_sg(priv->dev, req->dst,
|
||||
sg_nents_for_len(req->dst, req->cryptlen),
|
||||
DMA_FROM_DEVICE);
|
||||
}
|
||||
|
||||
*should_complete = true;
|
||||
|
||||
return ndesc;
|
||||
}
|
||||
|
||||
static int safexcel_aes_send(struct crypto_async_request *async,
|
||||
int ring, struct safexcel_request *request,
|
||||
int *commands, int *results)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
struct safexcel_command_desc *cdesc;
|
||||
struct safexcel_result_desc *rdesc;
|
||||
struct scatterlist *sg;
|
||||
int nr_src, nr_dst, n_cdesc = 0, n_rdesc = 0, queued = req->cryptlen;
|
||||
int i, ret = 0;
|
||||
|
||||
if (req->src == req->dst) {
|
||||
nr_src = dma_map_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_BIDIRECTIONAL);
|
||||
nr_dst = nr_src;
|
||||
if (!nr_src)
|
||||
return -EINVAL;
|
||||
} else {
|
||||
nr_src = dma_map_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_TO_DEVICE);
|
||||
if (!nr_src)
|
||||
return -EINVAL;
|
||||
|
||||
nr_dst = dma_map_sg(priv->dev, req->dst,
|
||||
sg_nents_for_len(req->dst, req->cryptlen),
|
||||
DMA_FROM_DEVICE);
|
||||
if (!nr_dst) {
|
||||
dma_unmap_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_TO_DEVICE);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
memcpy(ctx->base.ctxr->data, ctx->key, ctx->key_len);
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
/* command descriptors */
|
||||
for_each_sg(req->src, sg, nr_src, i) {
|
||||
int len = sg_dma_len(sg);
|
||||
|
||||
/* Do not overflow the request */
|
||||
if (queued - len < 0)
|
||||
len = queued;
|
||||
|
||||
cdesc = safexcel_add_cdesc(priv, ring, !n_cdesc, !(queued - len),
|
||||
sg_dma_address(sg), len, req->cryptlen,
|
||||
ctx->base.ctxr_dma);
|
||||
if (IS_ERR(cdesc)) {
|
||||
/* No space left in the command descriptor ring */
|
||||
ret = PTR_ERR(cdesc);
|
||||
goto cdesc_rollback;
|
||||
}
|
||||
n_cdesc++;
|
||||
|
||||
if (n_cdesc == 1) {
|
||||
safexcel_context_control(ctx, cdesc);
|
||||
safexcel_cipher_token(ctx, async, cdesc, req->cryptlen);
|
||||
}
|
||||
|
||||
queued -= len;
|
||||
if (!queued)
|
||||
break;
|
||||
}
|
||||
|
||||
/* result descriptors */
|
||||
for_each_sg(req->dst, sg, nr_dst, i) {
|
||||
bool first = !i, last = (i == nr_dst - 1);
|
||||
u32 len = sg_dma_len(sg);
|
||||
|
||||
rdesc = safexcel_add_rdesc(priv, ring, first, last,
|
||||
sg_dma_address(sg), len);
|
||||
if (IS_ERR(rdesc)) {
|
||||
/* No space left in the result descriptor ring */
|
||||
ret = PTR_ERR(rdesc);
|
||||
goto rdesc_rollback;
|
||||
}
|
||||
n_rdesc++;
|
||||
}
|
||||
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
request->req = &req->base;
|
||||
ctx->base.handle_result = safexcel_handle_result;
|
||||
|
||||
*commands = n_cdesc;
|
||||
*results = n_rdesc;
|
||||
return 0;
|
||||
|
||||
rdesc_rollback:
|
||||
for (i = 0; i < n_rdesc; i++)
|
||||
safexcel_ring_rollback_wptr(priv, &priv->ring[ring].rdr);
|
||||
cdesc_rollback:
|
||||
for (i = 0; i < n_cdesc; i++)
|
||||
safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr);
|
||||
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
if (req->src == req->dst) {
|
||||
dma_unmap_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_BIDIRECTIONAL);
|
||||
} else {
|
||||
dma_unmap_sg(priv->dev, req->src,
|
||||
sg_nents_for_len(req->src, req->cryptlen),
|
||||
DMA_TO_DEVICE);
|
||||
dma_unmap_sg(priv->dev, req->dst,
|
||||
sg_nents_for_len(req->dst, req->cryptlen),
|
||||
DMA_FROM_DEVICE);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv,
|
||||
int ring,
|
||||
struct crypto_async_request *async,
|
||||
bool *should_complete, int *ret)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct safexcel_result_desc *rdesc;
|
||||
int ndesc = 0, enq_ret;
|
||||
|
||||
*ret = 0;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].egress_lock);
|
||||
do {
|
||||
rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr);
|
||||
if (IS_ERR(rdesc)) {
|
||||
dev_err(priv->dev,
|
||||
"cipher: invalidate: could not retrieve the result descriptor\n");
|
||||
*ret = PTR_ERR(rdesc);
|
||||
break;
|
||||
}
|
||||
|
||||
if (rdesc->result_data.error_code) {
|
||||
dev_err(priv->dev, "cipher: invalidate: result descriptor error (%d)\n",
|
||||
rdesc->result_data.error_code);
|
||||
*ret = -EIO;
|
||||
}
|
||||
|
||||
ndesc++;
|
||||
} while (!rdesc->last_seg);
|
||||
|
||||
safexcel_complete(priv, ring);
|
||||
spin_unlock_bh(&priv->ring[ring].egress_lock);
|
||||
|
||||
if (ctx->base.exit_inv) {
|
||||
dma_pool_free(priv->context_pool, ctx->base.ctxr,
|
||||
ctx->base.ctxr_dma);
|
||||
|
||||
*should_complete = true;
|
||||
|
||||
return ndesc;
|
||||
}
|
||||
|
||||
ring = safexcel_select_ring(priv);
|
||||
ctx->base.ring = ring;
|
||||
ctx->base.needs_inv = false;
|
||||
ctx->base.send = safexcel_aes_send;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].queue_lock);
|
||||
enq_ret = crypto_enqueue_request(&priv->ring[ring].queue, async);
|
||||
spin_unlock_bh(&priv->ring[ring].queue_lock);
|
||||
|
||||
if (enq_ret != -EINPROGRESS)
|
||||
*ret = enq_ret;
|
||||
|
||||
if (!priv->ring[ring].need_dequeue)
|
||||
safexcel_dequeue(priv, ring);
|
||||
|
||||
*should_complete = false;
|
||||
|
||||
return ndesc;
|
||||
}
|
||||
|
||||
static int safexcel_cipher_send_inv(struct crypto_async_request *async,
|
||||
int ring, struct safexcel_request *request,
|
||||
int *commands, int *results)
|
||||
{
|
||||
struct skcipher_request *req = skcipher_request_cast(async);
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
int ret;
|
||||
|
||||
ctx->base.handle_result = safexcel_handle_inv_result;
|
||||
|
||||
ret = safexcel_invalidate_cache(async, &ctx->base, priv,
|
||||
ctx->base.ctxr_dma, ring, request);
|
||||
if (unlikely(ret))
|
||||
return ret;
|
||||
|
||||
*commands = 1;
|
||||
*results = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_cipher_exit_inv(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
struct skcipher_request req;
|
||||
struct safexcel_inv_result result = { 0 };
|
||||
int ring = ctx->base.ring;
|
||||
|
||||
memset(&req, 0, sizeof(struct skcipher_request));
|
||||
|
||||
/* create invalidation request */
|
||||
init_completion(&result.completion);
|
||||
skcipher_request_set_callback(&req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
||||
safexcel_inv_complete, &result);
|
||||
|
||||
skcipher_request_set_tfm(&req, __crypto_skcipher_cast(tfm));
|
||||
ctx = crypto_tfm_ctx(req.base.tfm);
|
||||
ctx->base.exit_inv = true;
|
||||
ctx->base.send = safexcel_cipher_send_inv;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].queue_lock);
|
||||
crypto_enqueue_request(&priv->ring[ring].queue, &req.base);
|
||||
spin_unlock_bh(&priv->ring[ring].queue_lock);
|
||||
|
||||
if (!priv->ring[ring].need_dequeue)
|
||||
safexcel_dequeue(priv, ring);
|
||||
|
||||
wait_for_completion_interruptible(&result.completion);
|
||||
|
||||
if (result.error) {
|
||||
dev_warn(priv->dev,
|
||||
"cipher: sync: invalidate: completion error %d\n",
|
||||
result.error);
|
||||
return result.error;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int safexcel_aes(struct skcipher_request *req,
|
||||
enum safexcel_cipher_direction dir, u32 mode)
|
||||
{
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
int ret, ring;
|
||||
|
||||
ctx->direction = dir;
|
||||
ctx->mode = mode;
|
||||
|
||||
if (ctx->base.ctxr) {
|
||||
if (ctx->base.needs_inv)
|
||||
ctx->base.send = safexcel_cipher_send_inv;
|
||||
} else {
|
||||
ctx->base.ring = safexcel_select_ring(priv);
|
||||
ctx->base.send = safexcel_aes_send;
|
||||
|
||||
ctx->base.ctxr = dma_pool_zalloc(priv->context_pool,
|
||||
EIP197_GFP_FLAGS(req->base),
|
||||
&ctx->base.ctxr_dma);
|
||||
if (!ctx->base.ctxr)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
ring = ctx->base.ring;
|
||||
|
||||
spin_lock_bh(&priv->ring[ring].queue_lock);
|
||||
ret = crypto_enqueue_request(&priv->ring[ring].queue, &req->base);
|
||||
spin_unlock_bh(&priv->ring[ring].queue_lock);
|
||||
|
||||
if (!priv->ring[ring].need_dequeue)
|
||||
safexcel_dequeue(priv, ring);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int safexcel_ecb_aes_encrypt(struct skcipher_request *req)
|
||||
{
|
||||
return safexcel_aes(req, SAFEXCEL_ENCRYPT,
|
||||
CONTEXT_CONTROL_CRYPTO_MODE_ECB);
|
||||
}
|
||||
|
||||
static int safexcel_ecb_aes_decrypt(struct skcipher_request *req)
|
||||
{
|
||||
return safexcel_aes(req, SAFEXCEL_DECRYPT,
|
||||
CONTEXT_CONTROL_CRYPTO_MODE_ECB);
|
||||
}
|
||||
|
||||
static int safexcel_skcipher_cra_init(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct safexcel_alg_template *tmpl =
|
||||
container_of(tfm->__crt_alg, struct safexcel_alg_template,
|
||||
alg.skcipher.base);
|
||||
|
||||
ctx->priv = tmpl->priv;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void safexcel_skcipher_cra_exit(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct safexcel_crypto_priv *priv = ctx->priv;
|
||||
int ret;
|
||||
|
||||
memzero_explicit(ctx->key, 8 * sizeof(u32));
|
||||
|
||||
/* context not allocated, skip invalidation */
|
||||
if (!ctx->base.ctxr)
|
||||
return;
|
||||
|
||||
memzero_explicit(ctx->base.ctxr->data, 8 * sizeof(u32));
|
||||
|
||||
ret = safexcel_cipher_exit_inv(tfm);
|
||||
if (ret)
|
||||
dev_warn(priv->dev, "cipher: invalidation error %d\n", ret);
|
||||
}
|
||||
|
||||
struct safexcel_alg_template safexcel_alg_ecb_aes = {
|
||||
.type = SAFEXCEL_ALG_TYPE_SKCIPHER,
|
||||
.alg.skcipher = {
|
||||
.setkey = safexcel_aes_setkey,
|
||||
.encrypt = safexcel_ecb_aes_encrypt,
|
||||
.decrypt = safexcel_ecb_aes_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.base = {
|
||||
.cra_name = "ecb(aes)",
|
||||
.cra_driver_name = "safexcel-ecb-aes",
|
||||
.cra_priority = 300,
|
||||
.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = safexcel_skcipher_cra_init,
|
||||
.cra_exit = safexcel_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
static int safexcel_cbc_aes_encrypt(struct skcipher_request *req)
|
||||
{
|
||||
return safexcel_aes(req, SAFEXCEL_ENCRYPT,
|
||||
CONTEXT_CONTROL_CRYPTO_MODE_CBC);
|
||||
}
|
||||
|
||||
static int safexcel_cbc_aes_decrypt(struct skcipher_request *req)
|
||||
{
|
||||
return safexcel_aes(req, SAFEXCEL_DECRYPT,
|
||||
CONTEXT_CONTROL_CRYPTO_MODE_CBC);
|
||||
}
|
||||
|
||||
struct safexcel_alg_template safexcel_alg_cbc_aes = {
|
||||
.type = SAFEXCEL_ALG_TYPE_SKCIPHER,
|
||||
.alg.skcipher = {
|
||||
.setkey = safexcel_aes_setkey,
|
||||
.encrypt = safexcel_cbc_aes_encrypt,
|
||||
.decrypt = safexcel_cbc_aes_decrypt,
|
||||
.min_keysize = AES_MIN_KEY_SIZE,
|
||||
.max_keysize = AES_MAX_KEY_SIZE,
|
||||
.ivsize = AES_BLOCK_SIZE,
|
||||
.base = {
|
||||
.cra_name = "cbc(aes)",
|
||||
.cra_driver_name = "safexcel-cbc-aes",
|
||||
.cra_priority = 300,
|
||||
.cra_flags = CRYPTO_ALG_TYPE_SKCIPHER | CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = AES_BLOCK_SIZE,
|
||||
.cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
|
||||
.cra_alignmask = 0,
|
||||
.cra_init = safexcel_skcipher_cra_init,
|
||||
.cra_exit = safexcel_skcipher_cra_exit,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
},
|
||||
};
|
1052
drivers/crypto/inside-secure/safexcel_hash.c
Normal file
1052
drivers/crypto/inside-secure/safexcel_hash.c
Normal file
File diff suppressed because it is too large
Load Diff
157
drivers/crypto/inside-secure/safexcel_ring.c
Normal file
157
drivers/crypto/inside-secure/safexcel_ring.c
Normal file
@ -0,0 +1,157 @@
|
||||
/*
|
||||
* Copyright (C) 2017 Marvell
|
||||
*
|
||||
* Antoine Tenart <antoine.tenart@free-electrons.com>
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
#include "safexcel.h"
|
||||
|
||||
int safexcel_init_ring_descriptors(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *cdr,
|
||||
struct safexcel_ring *rdr)
|
||||
{
|
||||
cdr->offset = sizeof(u32) * priv->config.cd_offset;
|
||||
cdr->base = dmam_alloc_coherent(priv->dev,
|
||||
cdr->offset * EIP197_DEFAULT_RING_SIZE,
|
||||
&cdr->base_dma, GFP_KERNEL);
|
||||
if (!cdr->base)
|
||||
return -ENOMEM;
|
||||
cdr->write = cdr->base;
|
||||
cdr->base_end = cdr->base + cdr->offset * EIP197_DEFAULT_RING_SIZE;
|
||||
cdr->read = cdr->base;
|
||||
|
||||
rdr->offset = sizeof(u32) * priv->config.rd_offset;
|
||||
rdr->base = dmam_alloc_coherent(priv->dev,
|
||||
rdr->offset * EIP197_DEFAULT_RING_SIZE,
|
||||
&rdr->base_dma, GFP_KERNEL);
|
||||
if (!rdr->base)
|
||||
return -ENOMEM;
|
||||
rdr->write = rdr->base;
|
||||
rdr->base_end = rdr->base + rdr->offset * EIP197_DEFAULT_RING_SIZE;
|
||||
rdr->read = rdr->base;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
inline int safexcel_select_ring(struct safexcel_crypto_priv *priv)
|
||||
{
|
||||
return (atomic_inc_return(&priv->ring_used) % priv->config.rings);
|
||||
}
|
||||
|
||||
static void *safexcel_ring_next_wptr(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *ring)
|
||||
{
|
||||
void *ptr = ring->write;
|
||||
|
||||
if (ring->nr == EIP197_DEFAULT_RING_SIZE - 1)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
ring->write += ring->offset;
|
||||
if (ring->write == ring->base_end)
|
||||
ring->write = ring->base;
|
||||
|
||||
ring->nr++;
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void *safexcel_ring_next_rptr(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *ring)
|
||||
{
|
||||
void *ptr = ring->read;
|
||||
|
||||
if (!ring->nr)
|
||||
return ERR_PTR(-ENOENT);
|
||||
|
||||
ring->read += ring->offset;
|
||||
if (ring->read == ring->base_end)
|
||||
ring->read = ring->base;
|
||||
|
||||
ring->nr--;
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void safexcel_ring_rollback_wptr(struct safexcel_crypto_priv *priv,
|
||||
struct safexcel_ring *ring)
|
||||
{
|
||||
if (!ring->nr)
|
||||
return;
|
||||
|
||||
if (ring->write == ring->base)
|
||||
ring->write = ring->base_end - ring->offset;
|
||||
else
|
||||
ring->write -= ring->offset;
|
||||
|
||||
ring->nr--;
|
||||
}
|
||||
|
||||
struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *priv,
|
||||
int ring_id,
|
||||
bool first, bool last,
|
||||
dma_addr_t data, u32 data_len,
|
||||
u32 full_data_len,
|
||||
dma_addr_t context) {
|
||||
struct safexcel_command_desc *cdesc;
|
||||
int i;
|
||||
|
||||
cdesc = safexcel_ring_next_wptr(priv, &priv->ring[ring_id].cdr);
|
||||
if (IS_ERR(cdesc))
|
||||
return cdesc;
|
||||
|
||||
memset(cdesc, 0, sizeof(struct safexcel_command_desc));
|
||||
|
||||
cdesc->first_seg = first;
|
||||
cdesc->last_seg = last;
|
||||
cdesc->particle_size = data_len;
|
||||
cdesc->data_lo = lower_32_bits(data);
|
||||
cdesc->data_hi = upper_32_bits(data);
|
||||
|
||||
if (first && context) {
|
||||
struct safexcel_token *token =
|
||||
(struct safexcel_token *)cdesc->control_data.token;
|
||||
|
||||
cdesc->control_data.packet_length = full_data_len;
|
||||
cdesc->control_data.options = EIP197_OPTION_MAGIC_VALUE |
|
||||
EIP197_OPTION_64BIT_CTX |
|
||||
EIP197_OPTION_CTX_CTRL_IN_CMD;
|
||||
cdesc->control_data.context_lo =
|
||||
(lower_32_bits(context) & GENMASK(31, 2)) >> 2;
|
||||
cdesc->control_data.context_hi = upper_32_bits(context);
|
||||
|
||||
/* TODO: large xform HMAC with SHA-384/512 uses refresh = 3 */
|
||||
cdesc->control_data.refresh = 2;
|
||||
|
||||
for (i = 0; i < EIP197_MAX_TOKENS; i++)
|
||||
eip197_noop_token(&token[i]);
|
||||
}
|
||||
|
||||
return cdesc;
|
||||
}
|
||||
|
||||
struct safexcel_result_desc *safexcel_add_rdesc(struct safexcel_crypto_priv *priv,
|
||||
int ring_id,
|
||||
bool first, bool last,
|
||||
dma_addr_t data, u32 len)
|
||||
{
|
||||
struct safexcel_result_desc *rdesc;
|
||||
|
||||
rdesc = safexcel_ring_next_wptr(priv, &priv->ring[ring_id].rdr);
|
||||
if (IS_ERR(rdesc))
|
||||
return rdesc;
|
||||
|
||||
memset(rdesc, 0, sizeof(struct safexcel_result_desc));
|
||||
|
||||
rdesc->first_seg = first;
|
||||
rdesc->last_seg = last;
|
||||
rdesc->particle_size = len;
|
||||
rdesc->data_lo = lower_32_bits(data);
|
||||
rdesc->data_hi = upper_32_bits(data);
|
||||
|
||||
return rdesc;
|
||||
}
|
@ -23,6 +23,7 @@
|
||||
#include <crypto/ctr.h>
|
||||
#include <crypto/des.h>
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/internal/aead.h>
|
||||
@ -90,8 +91,6 @@
|
||||
#define CTL_FLAG_PERFORM_AEAD 0x0008
|
||||
#define CTL_FLAG_MASK 0x000f
|
||||
|
||||
#define HMAC_IPAD_VALUE 0x36
|
||||
#define HMAC_OPAD_VALUE 0x5C
|
||||
#define HMAC_PAD_BLOCKLEN SHA1_BLOCK_SIZE
|
||||
|
||||
#define MD5_DIGEST_SIZE 16
|
||||
|
@ -12,6 +12,7 @@
|
||||
* by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/md5.h>
|
||||
#include <crypto/sha.h>
|
||||
|
||||
@ -1164,8 +1165,8 @@ static int mv_cesa_ahmac_pad_init(struct ahash_request *req,
|
||||
memcpy(opad, ipad, blocksize);
|
||||
|
||||
for (i = 0; i < blocksize; i++) {
|
||||
ipad[i] ^= 0x36;
|
||||
opad[i] ^= 0x5c;
|
||||
ipad[i] ^= HMAC_IPAD_VALUE;
|
||||
opad[i] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
@ -504,19 +504,14 @@ static int mtk_crypto_probe(struct platform_device *pdev)
|
||||
}
|
||||
}
|
||||
|
||||
cryp->clk_ethif = devm_clk_get(&pdev->dev, "ethif");
|
||||
cryp->clk_cryp = devm_clk_get(&pdev->dev, "cryp");
|
||||
if (IS_ERR(cryp->clk_ethif) || IS_ERR(cryp->clk_cryp))
|
||||
if (IS_ERR(cryp->clk_cryp))
|
||||
return -EPROBE_DEFER;
|
||||
|
||||
cryp->dev = &pdev->dev;
|
||||
pm_runtime_enable(cryp->dev);
|
||||
pm_runtime_get_sync(cryp->dev);
|
||||
|
||||
err = clk_prepare_enable(cryp->clk_ethif);
|
||||
if (err)
|
||||
goto err_clk_ethif;
|
||||
|
||||
err = clk_prepare_enable(cryp->clk_cryp);
|
||||
if (err)
|
||||
goto err_clk_cryp;
|
||||
@ -559,8 +554,6 @@ err_engine:
|
||||
err_resource:
|
||||
clk_disable_unprepare(cryp->clk_cryp);
|
||||
err_clk_cryp:
|
||||
clk_disable_unprepare(cryp->clk_ethif);
|
||||
err_clk_ethif:
|
||||
pm_runtime_put_sync(cryp->dev);
|
||||
pm_runtime_disable(cryp->dev);
|
||||
|
||||
@ -576,7 +569,6 @@ static int mtk_crypto_remove(struct platform_device *pdev)
|
||||
mtk_desc_dma_free(cryp);
|
||||
|
||||
clk_disable_unprepare(cryp->clk_cryp);
|
||||
clk_disable_unprepare(cryp->clk_ethif);
|
||||
|
||||
pm_runtime_put_sync(cryp->dev);
|
||||
pm_runtime_disable(cryp->dev);
|
||||
@ -596,7 +588,6 @@ static struct platform_driver mtk_crypto_driver = {
|
||||
.remove = mtk_crypto_remove,
|
||||
.driver = {
|
||||
.name = "mtk-crypto",
|
||||
.owner = THIS_MODULE,
|
||||
.of_match_table = of_crypto_id,
|
||||
},
|
||||
};
|
||||
|
@ -200,7 +200,6 @@ struct mtk_sha_rec {
|
||||
* struct mtk_cryp - Cryptographic device
|
||||
* @base: pointer to mapped register I/O base
|
||||
* @dev: pointer to device
|
||||
* @clk_ethif: pointer to ethif clock
|
||||
* @clk_cryp: pointer to crypto clock
|
||||
* @irq: global system and rings IRQ
|
||||
* @ring: pointer to descriptor rings
|
||||
@ -215,7 +214,6 @@ struct mtk_sha_rec {
|
||||
struct mtk_cryp {
|
||||
void __iomem *base;
|
||||
struct device *dev;
|
||||
struct clk *clk_ethif;
|
||||
struct clk *clk_cryp;
|
||||
int irq[MTK_IRQ_NUM];
|
||||
|
||||
|
@ -12,6 +12,7 @@
|
||||
* Some ideas are from atmel-sha.c and omap-sham.c drivers.
|
||||
*/
|
||||
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/sha.h>
|
||||
#include "mtk-platform.h"
|
||||
|
||||
@ -825,8 +826,8 @@ static int mtk_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
|
||||
memcpy(bctx->opad, bctx->ipad, bs);
|
||||
|
||||
for (i = 0; i < bs; i++) {
|
||||
bctx->ipad[i] ^= 0x36;
|
||||
bctx->opad[i] ^= 0x5c;
|
||||
bctx->ipad[i] ^= HMAC_IPAD_VALUE;
|
||||
bctx->opad[i] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
@ -18,6 +18,7 @@
|
||||
#include <linux/slab.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/clk.h>
|
||||
#include <crypto/hmac.h>
|
||||
#include <crypto/internal/hash.h>
|
||||
#include <crypto/sha.h>
|
||||
#include <linux/of.h>
|
||||
@ -822,8 +823,8 @@ static int mv_hash_setkey(struct crypto_ahash *tfm, const u8 * key,
|
||||
memcpy(opad, ipad, bs);
|
||||
|
||||
for (i = 0; i < bs; i++) {
|
||||
ipad[i] ^= 0x36;
|
||||
opad[i] ^= 0x5c;
|
||||
ipad[i] ^= HMAC_IPAD_VALUE;
|
||||
opad[i] ^= HMAC_OPAD_VALUE;
|
||||
}
|
||||
|
||||
rc = crypto_shash_init(shash) ? :
|
||||
|
@ -2169,7 +2169,7 @@ static int n2_mau_remove(struct platform_device *dev)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct of_device_id n2_crypto_match[] = {
|
||||
static const struct of_device_id n2_crypto_match[] = {
|
||||
{
|
||||
.name = "n2cp",
|
||||
.compatible = "SUNW,n2-cwq",
|
||||
@ -2196,7 +2196,7 @@ static struct platform_driver n2_crypto_driver = {
|
||||
.remove = n2_crypto_remove,
|
||||
};
|
||||
|
||||
static struct of_device_id n2_mau_match[] = {
|
||||
static const struct of_device_id n2_mau_match[] = {
|
||||
{
|
||||
.name = "ncp",
|
||||
.compatible = "SUNW,n2-mau",
|
||||
|
408
drivers/crypto/omap-aes-gcm.c
Normal file
408
drivers/crypto/omap-aes-gcm.c
Normal file
@ -0,0 +1,408 @@
|
||||
/*
|
||||
* Cryptographic API.
|
||||
*
|
||||
* Support for OMAP AES GCM HW acceleration.
|
||||
*
|
||||
* Copyright (c) 2016 Texas Instruments Incorporated
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as published
|
||||
* by the Free Software Foundation.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/errno.h>
|
||||
#include <linux/scatterlist.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/dmaengine.h>
|
||||
#include <linux/omap-dma.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/scatterwalk.h>
|
||||
#include <crypto/skcipher.h>
|
||||
#include <crypto/internal/aead.h>
|
||||
|
||||
#include "omap-crypto.h"
|
||||
#include "omap-aes.h"
|
||||
|
||||
static int omap_aes_gcm_handle_queue(struct omap_aes_dev *dd,
|
||||
struct aead_request *req);
|
||||
|
||||
static void omap_aes_gcm_finish_req(struct omap_aes_dev *dd, int ret)
|
||||
{
|
||||
struct aead_request *req = dd->aead_req;
|
||||
|
||||
dd->flags &= ~FLAGS_BUSY;
|
||||
dd->in_sg = NULL;
|
||||
dd->out_sg = NULL;
|
||||
|
||||
req->base.complete(&req->base, ret);
|
||||
}
|
||||
|
||||
static void omap_aes_gcm_done_task(struct omap_aes_dev *dd)
|
||||
{
|
||||
u8 *tag;
|
||||
int alen, clen, i, ret = 0, nsg;
|
||||
struct omap_aes_reqctx *rctx;
|
||||
|
||||
alen = ALIGN(dd->assoc_len, AES_BLOCK_SIZE);
|
||||
clen = ALIGN(dd->total, AES_BLOCK_SIZE);
|
||||
rctx = aead_request_ctx(dd->aead_req);
|
||||
|
||||
nsg = !!(dd->assoc_len && dd->total);
|
||||
|
||||
dma_sync_sg_for_device(dd->dev, dd->out_sg, dd->out_sg_len,
|
||||
DMA_FROM_DEVICE);
|
||||
dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE);
|
||||
dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len, DMA_FROM_DEVICE);
|
||||
omap_aes_crypt_dma_stop(dd);
|
||||
|
||||
omap_crypto_cleanup(dd->out_sg, dd->orig_out,
|
||||
dd->aead_req->assoclen, dd->total,
|
||||
FLAGS_OUT_DATA_ST_SHIFT, dd->flags);
|
||||
|
||||
if (dd->flags & FLAGS_ENCRYPT)
|
||||
scatterwalk_map_and_copy(rctx->auth_tag,
|
||||
dd->aead_req->dst,
|
||||
dd->total + dd->aead_req->assoclen,
|
||||
dd->authsize, 1);
|
||||
|
||||
omap_crypto_cleanup(&dd->in_sgl[0], NULL, 0, alen,
|
||||
FLAGS_ASSOC_DATA_ST_SHIFT, dd->flags);
|
||||
|
||||
omap_crypto_cleanup(&dd->in_sgl[nsg], NULL, 0, clen,
|
||||
FLAGS_IN_DATA_ST_SHIFT, dd->flags);
|
||||
|
||||
if (!(dd->flags & FLAGS_ENCRYPT)) {
|
||||
tag = (u8 *)rctx->auth_tag;
|
||||
for (i = 0; i < dd->authsize; i++) {
|
||||
if (tag[i]) {
|
||||
dev_err(dd->dev, "GCM decryption: Tag Message is wrong\n");
|
||||
ret = -EBADMSG;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
omap_aes_gcm_finish_req(dd, ret);
|
||||
omap_aes_gcm_handle_queue(dd, NULL);
|
||||
}
|
||||
|
||||
static int omap_aes_gcm_copy_buffers(struct omap_aes_dev *dd,
|
||||
struct aead_request *req)
|
||||
{
|
||||
int alen, clen, cryptlen, assoclen, ret;
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
unsigned int authlen = crypto_aead_authsize(aead);
|
||||
struct scatterlist *tmp, sg_arr[2];
|
||||
int nsg;
|
||||
u16 flags;
|
||||
|
||||
assoclen = req->assoclen;
|
||||
cryptlen = req->cryptlen;
|
||||
|
||||
if (dd->flags & FLAGS_RFC4106_GCM)
|
||||
assoclen -= 8;
|
||||
|
||||
if (!(dd->flags & FLAGS_ENCRYPT))
|
||||
cryptlen -= authlen;
|
||||
|
||||
alen = ALIGN(assoclen, AES_BLOCK_SIZE);
|
||||
clen = ALIGN(cryptlen, AES_BLOCK_SIZE);
|
||||
|
||||
nsg = !!(assoclen && cryptlen);
|
||||
|
||||
omap_aes_clear_copy_flags(dd);
|
||||
|
||||
sg_init_table(dd->in_sgl, nsg + 1);
|
||||
if (assoclen) {
|
||||
tmp = req->src;
|
||||
ret = omap_crypto_align_sg(&tmp, assoclen,
|
||||
AES_BLOCK_SIZE, dd->in_sgl,
|
||||
OMAP_CRYPTO_COPY_DATA |
|
||||
OMAP_CRYPTO_ZERO_BUF |
|
||||
OMAP_CRYPTO_FORCE_SINGLE_ENTRY,
|
||||
FLAGS_ASSOC_DATA_ST_SHIFT,
|
||||
&dd->flags);
|
||||
}
|
||||
|
||||
if (cryptlen) {
|
||||
tmp = scatterwalk_ffwd(sg_arr, req->src, req->assoclen);
|
||||
|
||||
ret = omap_crypto_align_sg(&tmp, cryptlen,
|
||||
AES_BLOCK_SIZE, &dd->in_sgl[nsg],
|
||||
OMAP_CRYPTO_COPY_DATA |
|
||||
OMAP_CRYPTO_ZERO_BUF |
|
||||
OMAP_CRYPTO_FORCE_SINGLE_ENTRY,
|
||||
FLAGS_IN_DATA_ST_SHIFT,
|
||||
&dd->flags);
|
||||
}
|
||||
|
||||
dd->in_sg = dd->in_sgl;
|
||||
dd->total = cryptlen;
|
||||
dd->assoc_len = assoclen;
|
||||
dd->authsize = authlen;
|
||||
|
||||
dd->out_sg = req->dst;
|
||||
dd->orig_out = req->dst;
|
||||
|
||||
dd->out_sg = scatterwalk_ffwd(sg_arr, req->dst, assoclen);
|
||||
|
||||
flags = 0;
|
||||
if (req->src == req->dst || dd->out_sg == sg_arr)
|
||||
flags |= OMAP_CRYPTO_FORCE_COPY;
|
||||
|
||||
ret = omap_crypto_align_sg(&dd->out_sg, cryptlen,
|
||||
AES_BLOCK_SIZE, &dd->out_sgl,
|
||||
flags,
|
||||
FLAGS_OUT_DATA_ST_SHIFT, &dd->flags);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
dd->in_sg_len = sg_nents_for_len(dd->in_sg, alen + clen);
|
||||
dd->out_sg_len = sg_nents_for_len(dd->out_sg, clen);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void omap_aes_gcm_complete(struct crypto_async_request *req, int err)
|
||||
{
|
||||
struct omap_aes_gcm_result *res = req->data;
|
||||
|
||||
if (err == -EINPROGRESS)
|
||||
return;
|
||||
|
||||
res->err = err;
|
||||
complete(&res->completion);
|
||||
}
|
||||
|
||||
static int do_encrypt_iv(struct aead_request *req, u32 *tag, u32 *iv)
|
||||
{
|
||||
struct scatterlist iv_sg, tag_sg;
|
||||
struct skcipher_request *sk_req;
|
||||
struct omap_aes_gcm_result result;
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
|
||||
int ret = 0;
|
||||
|
||||
sk_req = skcipher_request_alloc(ctx->ctr, GFP_KERNEL);
|
||||
if (!sk_req) {
|
||||
pr_err("skcipher: Failed to allocate request\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
init_completion(&result.completion);
|
||||
|
||||
sg_init_one(&iv_sg, iv, AES_BLOCK_SIZE);
|
||||
sg_init_one(&tag_sg, tag, AES_BLOCK_SIZE);
|
||||
skcipher_request_set_callback(sk_req, CRYPTO_TFM_REQ_MAY_BACKLOG,
|
||||
omap_aes_gcm_complete, &result);
|
||||
ret = crypto_skcipher_setkey(ctx->ctr, (u8 *)ctx->key, ctx->keylen);
|
||||
skcipher_request_set_crypt(sk_req, &iv_sg, &tag_sg, AES_BLOCK_SIZE,
|
||||
NULL);
|
||||
ret = crypto_skcipher_encrypt(sk_req);
|
||||
switch (ret) {
|
||||
case 0:
|
||||
break;
|
||||
case -EINPROGRESS:
|
||||
case -EBUSY:
|
||||
ret = wait_for_completion_interruptible(&result.completion);
|
||||
if (!ret) {
|
||||
ret = result.err;
|
||||
if (!ret) {
|
||||
reinit_completion(&result.completion);
|
||||
break;
|
||||
}
|
||||
}
|
||||
/* fall through */
|
||||
default:
|
||||
pr_err("Encryption of IV failed for GCM mode");
|
||||
break;
|
||||
}
|
||||
|
||||
skcipher_request_free(sk_req);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void omap_aes_gcm_dma_out_callback(void *data)
|
||||
{
|
||||
struct omap_aes_dev *dd = data;
|
||||
struct omap_aes_reqctx *rctx;
|
||||
int i, val;
|
||||
u32 *auth_tag, tag[4];
|
||||
|
||||
if (!(dd->flags & FLAGS_ENCRYPT))
|
||||
scatterwalk_map_and_copy(tag, dd->aead_req->src,
|
||||
dd->total + dd->aead_req->assoclen,
|
||||
dd->authsize, 0);
|
||||
|
||||
rctx = aead_request_ctx(dd->aead_req);
|
||||
auth_tag = (u32 *)rctx->auth_tag;
|
||||
for (i = 0; i < 4; i++) {
|
||||
val = omap_aes_read(dd, AES_REG_TAG_N(dd, i));
|
||||
auth_tag[i] = val ^ auth_tag[i];
|
||||
if (!(dd->flags & FLAGS_ENCRYPT))
|
||||
auth_tag[i] = auth_tag[i] ^ tag[i];
|
||||
}
|
||||
|
||||
omap_aes_gcm_done_task(dd);
|
||||
}
|
||||
|
||||
static int omap_aes_gcm_handle_queue(struct omap_aes_dev *dd,
|
||||
struct aead_request *req)
|
||||
{
|
||||
struct omap_aes_ctx *ctx;
|
||||
struct aead_request *backlog;
|
||||
struct omap_aes_reqctx *rctx;
|
||||
unsigned long flags;
|
||||
int err, ret = 0;
|
||||
|
||||
spin_lock_irqsave(&dd->lock, flags);
|
||||
if (req)
|
||||
ret = aead_enqueue_request(&dd->aead_queue, req);
|
||||
if (dd->flags & FLAGS_BUSY) {
|
||||
spin_unlock_irqrestore(&dd->lock, flags);
|
||||
return ret;
|
||||
}
|
||||
|
||||
backlog = aead_get_backlog(&dd->aead_queue);
|
||||
req = aead_dequeue_request(&dd->aead_queue);
|
||||
if (req)
|
||||
dd->flags |= FLAGS_BUSY;
|
||||
spin_unlock_irqrestore(&dd->lock, flags);
|
||||
|
||||
if (!req)
|
||||
return ret;
|
||||
|
||||
if (backlog)
|
||||
backlog->base.complete(&backlog->base, -EINPROGRESS);
|
||||
|
||||
ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
|
||||
rctx = aead_request_ctx(req);
|
||||
|
||||
dd->ctx = ctx;
|
||||
rctx->dd = dd;
|
||||
dd->aead_req = req;
|
||||
|
||||
rctx->mode &= FLAGS_MODE_MASK;
|
||||
dd->flags = (dd->flags & ~FLAGS_MODE_MASK) | rctx->mode;
|
||||
|
||||
err = omap_aes_gcm_copy_buffers(dd, req);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = omap_aes_write_ctrl(dd);
|
||||
if (!err)
|
||||
err = omap_aes_crypt_dma_start(dd);
|
||||
|
||||
if (err) {
|
||||
omap_aes_gcm_finish_req(dd, err);
|
||||
omap_aes_gcm_handle_queue(dd, NULL);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int omap_aes_gcm_crypt(struct aead_request *req, unsigned long mode)
|
||||
{
|
||||
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
unsigned int authlen = crypto_aead_authsize(aead);
|
||||
struct omap_aes_dev *dd;
|
||||
__be32 counter = cpu_to_be32(1);
|
||||
int err, assoclen;
|
||||
|
||||
memset(rctx->auth_tag, 0, sizeof(rctx->auth_tag));
|
||||
memcpy(rctx->iv + 12, &counter, 4);
|
||||
|
||||
err = do_encrypt_iv(req, (u32 *)rctx->auth_tag, (u32 *)rctx->iv);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (mode & FLAGS_RFC4106_GCM)
|
||||
assoclen = req->assoclen - 8;
|
||||
else
|
||||
assoclen = req->assoclen;
|
||||
if (assoclen + req->cryptlen == 0) {
|
||||
scatterwalk_map_and_copy(rctx->auth_tag, req->dst, 0, authlen,
|
||||
1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
dd = omap_aes_find_dev(rctx);
|
||||
if (!dd)
|
||||
return -ENODEV;
|
||||
rctx->mode = mode;
|
||||
|
||||
return omap_aes_gcm_handle_queue(dd, req);
|
||||
}
|
||||
|
||||
int omap_aes_gcm_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
|
||||
|
||||
memcpy(rctx->iv, req->iv, 12);
|
||||
return omap_aes_gcm_crypt(req, FLAGS_ENCRYPT | FLAGS_GCM);
|
||||
}
|
||||
|
||||
int omap_aes_gcm_decrypt(struct aead_request *req)
|
||||
{
|
||||
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
|
||||
|
||||
memcpy(rctx->iv, req->iv, 12);
|
||||
return omap_aes_gcm_crypt(req, FLAGS_GCM);
|
||||
}
|
||||
|
||||
int omap_aes_4106gcm_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
|
||||
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
|
||||
|
||||
memcpy(rctx->iv, ctx->nonce, 4);
|
||||
memcpy(rctx->iv + 4, req->iv, 8);
|
||||
return omap_aes_gcm_crypt(req, FLAGS_ENCRYPT | FLAGS_GCM |
|
||||
FLAGS_RFC4106_GCM);
|
||||
}
|
||||
|
||||
int omap_aes_4106gcm_decrypt(struct aead_request *req)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
|
||||
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
|
||||
|
||||
memcpy(rctx->iv, ctx->nonce, 4);
|
||||
memcpy(rctx->iv + 4, req->iv, 8);
|
||||
return omap_aes_gcm_crypt(req, FLAGS_GCM | FLAGS_RFC4106_GCM);
|
||||
}
|
||||
|
||||
int omap_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
|
||||
if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 &&
|
||||
keylen != AES_KEYSIZE_256)
|
||||
return -EINVAL;
|
||||
|
||||
memcpy(ctx->key, key, keylen);
|
||||
ctx->keylen = keylen;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int omap_aes_4106gcm_setkey(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
|
||||
if (keylen < 4)
|
||||
return -EINVAL;
|
||||
|
||||
keylen -= 4;
|
||||
if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 &&
|
||||
keylen != AES_KEYSIZE_256)
|
||||
return -EINVAL;
|
||||
|
||||
memcpy(ctx->key, key, keylen);
|
||||
memcpy(ctx->nonce, key + keylen, 4);
|
||||
ctx->keylen = keylen;
|
||||
|
||||
return 0;
|
||||
}
|
@ -37,155 +37,10 @@
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/engine.h>
|
||||
#include <crypto/internal/skcipher.h>
|
||||
#include <crypto/internal/aead.h>
|
||||
|
||||
#define DST_MAXBURST 4
|
||||
#define DMA_MIN (DST_MAXBURST * sizeof(u32))
|
||||
|
||||
#define _calc_walked(inout) (dd->inout##_walk.offset - dd->inout##_sg->offset)
|
||||
|
||||
/* OMAP TRM gives bitfields as start:end, where start is the higher bit
|
||||
number. For example 7:0 */
|
||||
#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
|
||||
#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
|
||||
|
||||
#define AES_REG_KEY(dd, x) ((dd)->pdata->key_ofs - \
|
||||
((x ^ 0x01) * 0x04))
|
||||
#define AES_REG_IV(dd, x) ((dd)->pdata->iv_ofs + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_CTRL(dd) ((dd)->pdata->ctrl_ofs)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_MASK GENMASK(8, 7)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_32 0
|
||||
#define AES_REG_CTRL_CTR_WIDTH_64 BIT(7)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_96 BIT(8)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_128 GENMASK(8, 7)
|
||||
#define AES_REG_CTRL_CTR BIT(6)
|
||||
#define AES_REG_CTRL_CBC BIT(5)
|
||||
#define AES_REG_CTRL_KEY_SIZE GENMASK(4, 3)
|
||||
#define AES_REG_CTRL_DIRECTION BIT(2)
|
||||
#define AES_REG_CTRL_INPUT_READY BIT(1)
|
||||
#define AES_REG_CTRL_OUTPUT_READY BIT(0)
|
||||
#define AES_REG_CTRL_MASK GENMASK(24, 2)
|
||||
|
||||
#define AES_REG_DATA_N(dd, x) ((dd)->pdata->data_ofs + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_REV(dd) ((dd)->pdata->rev_ofs)
|
||||
|
||||
#define AES_REG_MASK(dd) ((dd)->pdata->mask_ofs)
|
||||
#define AES_REG_MASK_SIDLE BIT(6)
|
||||
#define AES_REG_MASK_START BIT(5)
|
||||
#define AES_REG_MASK_DMA_OUT_EN BIT(3)
|
||||
#define AES_REG_MASK_DMA_IN_EN BIT(2)
|
||||
#define AES_REG_MASK_SOFTRESET BIT(1)
|
||||
#define AES_REG_AUTOIDLE BIT(0)
|
||||
|
||||
#define AES_REG_LENGTH_N(x) (0x54 + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_IRQ_STATUS(dd) ((dd)->pdata->irq_status_ofs)
|
||||
#define AES_REG_IRQ_ENABLE(dd) ((dd)->pdata->irq_enable_ofs)
|
||||
#define AES_REG_IRQ_DATA_IN BIT(1)
|
||||
#define AES_REG_IRQ_DATA_OUT BIT(2)
|
||||
#define DEFAULT_TIMEOUT (5*HZ)
|
||||
|
||||
#define DEFAULT_AUTOSUSPEND_DELAY 1000
|
||||
|
||||
#define FLAGS_MODE_MASK 0x000f
|
||||
#define FLAGS_ENCRYPT BIT(0)
|
||||
#define FLAGS_CBC BIT(1)
|
||||
#define FLAGS_GIV BIT(2)
|
||||
#define FLAGS_CTR BIT(3)
|
||||
|
||||
#define FLAGS_INIT BIT(4)
|
||||
#define FLAGS_FAST BIT(5)
|
||||
#define FLAGS_BUSY BIT(6)
|
||||
|
||||
#define AES_BLOCK_WORDS (AES_BLOCK_SIZE >> 2)
|
||||
|
||||
struct omap_aes_ctx {
|
||||
struct omap_aes_dev *dd;
|
||||
|
||||
int keylen;
|
||||
u32 key[AES_KEYSIZE_256 / sizeof(u32)];
|
||||
unsigned long flags;
|
||||
struct crypto_skcipher *fallback;
|
||||
};
|
||||
|
||||
struct omap_aes_reqctx {
|
||||
unsigned long mode;
|
||||
};
|
||||
|
||||
#define OMAP_AES_QUEUE_LENGTH 1
|
||||
#define OMAP_AES_CACHE_SIZE 0
|
||||
|
||||
struct omap_aes_algs_info {
|
||||
struct crypto_alg *algs_list;
|
||||
unsigned int size;
|
||||
unsigned int registered;
|
||||
};
|
||||
|
||||
struct omap_aes_pdata {
|
||||
struct omap_aes_algs_info *algs_info;
|
||||
unsigned int algs_info_size;
|
||||
|
||||
void (*trigger)(struct omap_aes_dev *dd, int length);
|
||||
|
||||
u32 key_ofs;
|
||||
u32 iv_ofs;
|
||||
u32 ctrl_ofs;
|
||||
u32 data_ofs;
|
||||
u32 rev_ofs;
|
||||
u32 mask_ofs;
|
||||
u32 irq_enable_ofs;
|
||||
u32 irq_status_ofs;
|
||||
|
||||
u32 dma_enable_in;
|
||||
u32 dma_enable_out;
|
||||
u32 dma_start;
|
||||
|
||||
u32 major_mask;
|
||||
u32 major_shift;
|
||||
u32 minor_mask;
|
||||
u32 minor_shift;
|
||||
};
|
||||
|
||||
struct omap_aes_dev {
|
||||
struct list_head list;
|
||||
unsigned long phys_base;
|
||||
void __iomem *io_base;
|
||||
struct omap_aes_ctx *ctx;
|
||||
struct device *dev;
|
||||
unsigned long flags;
|
||||
int err;
|
||||
|
||||
struct tasklet_struct done_task;
|
||||
|
||||
struct ablkcipher_request *req;
|
||||
struct crypto_engine *engine;
|
||||
|
||||
/*
|
||||
* total is used by PIO mode for book keeping so introduce
|
||||
* variable total_save as need it to calc page_order
|
||||
*/
|
||||
size_t total;
|
||||
size_t total_save;
|
||||
|
||||
struct scatterlist *in_sg;
|
||||
struct scatterlist *out_sg;
|
||||
|
||||
/* Buffers for copying for unaligned cases */
|
||||
struct scatterlist in_sgl;
|
||||
struct scatterlist out_sgl;
|
||||
struct scatterlist *orig_out;
|
||||
int sgs_copied;
|
||||
|
||||
struct scatter_walk in_walk;
|
||||
struct scatter_walk out_walk;
|
||||
struct dma_chan *dma_lch_in;
|
||||
struct dma_chan *dma_lch_out;
|
||||
int in_sg_len;
|
||||
int out_sg_len;
|
||||
int pio_only;
|
||||
const struct omap_aes_pdata *pdata;
|
||||
};
|
||||
#include "omap-crypto.h"
|
||||
#include "omap-aes.h"
|
||||
|
||||
/* keep registered devices data here */
|
||||
static LIST_HEAD(dev_list);
|
||||
@ -201,7 +56,7 @@ static DEFINE_SPINLOCK(list_lock);
|
||||
_read_ret; \
|
||||
})
|
||||
#else
|
||||
static inline u32 omap_aes_read(struct omap_aes_dev *dd, u32 offset)
|
||||
inline u32 omap_aes_read(struct omap_aes_dev *dd, u32 offset)
|
||||
{
|
||||
return __raw_readl(dd->io_base + offset);
|
||||
}
|
||||
@ -215,7 +70,7 @@ static inline u32 omap_aes_read(struct omap_aes_dev *dd, u32 offset)
|
||||
__raw_writel(value, dd->io_base + offset); \
|
||||
} while (0)
|
||||
#else
|
||||
static inline void omap_aes_write(struct omap_aes_dev *dd, u32 offset,
|
||||
inline void omap_aes_write(struct omap_aes_dev *dd, u32 offset,
|
||||
u32 value)
|
||||
{
|
||||
__raw_writel(value, dd->io_base + offset);
|
||||
@ -258,8 +113,16 @@ static int omap_aes_hw_init(struct omap_aes_dev *dd)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
|
||||
void omap_aes_clear_copy_flags(struct omap_aes_dev *dd)
|
||||
{
|
||||
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_IN_DATA_ST_SHIFT);
|
||||
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_OUT_DATA_ST_SHIFT);
|
||||
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_ASSOC_DATA_ST_SHIFT);
|
||||
}
|
||||
|
||||
int omap_aes_write_ctrl(struct omap_aes_dev *dd)
|
||||
{
|
||||
struct omap_aes_reqctx *rctx;
|
||||
unsigned int key32;
|
||||
int i, err;
|
||||
u32 val;
|
||||
@ -270,7 +133,11 @@ static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
|
||||
|
||||
key32 = dd->ctx->keylen / sizeof(u32);
|
||||
|
||||
/* it seems a key should always be set even if it has not changed */
|
||||
/* RESET the key as previous HASH keys should not get affected*/
|
||||
if (dd->flags & FLAGS_GCM)
|
||||
for (i = 0; i < 0x40; i = i + 4)
|
||||
omap_aes_write(dd, i, 0x0);
|
||||
|
||||
for (i = 0; i < key32; i++) {
|
||||
omap_aes_write(dd, AES_REG_KEY(dd, i),
|
||||
__le32_to_cpu(dd->ctx->key[i]));
|
||||
@ -279,12 +146,21 @@ static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
|
||||
if ((dd->flags & (FLAGS_CBC | FLAGS_CTR)) && dd->req->info)
|
||||
omap_aes_write_n(dd, AES_REG_IV(dd, 0), dd->req->info, 4);
|
||||
|
||||
if ((dd->flags & (FLAGS_GCM)) && dd->aead_req->iv) {
|
||||
rctx = aead_request_ctx(dd->aead_req);
|
||||
omap_aes_write_n(dd, AES_REG_IV(dd, 0), (u32 *)rctx->iv, 4);
|
||||
}
|
||||
|
||||
val = FLD_VAL(((dd->ctx->keylen >> 3) - 1), 4, 3);
|
||||
if (dd->flags & FLAGS_CBC)
|
||||
val |= AES_REG_CTRL_CBC;
|
||||
if (dd->flags & FLAGS_CTR)
|
||||
|
||||
if (dd->flags & (FLAGS_CTR | FLAGS_GCM))
|
||||
val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_128;
|
||||
|
||||
if (dd->flags & FLAGS_GCM)
|
||||
val |= AES_REG_CTRL_GCM;
|
||||
|
||||
if (dd->flags & FLAGS_ENCRYPT)
|
||||
val |= AES_REG_CTRL_DIRECTION;
|
||||
|
||||
@ -315,6 +191,8 @@ static void omap_aes_dma_trigger_omap4(struct omap_aes_dev *dd, int length)
|
||||
{
|
||||
omap_aes_write(dd, AES_REG_LENGTH_N(0), length);
|
||||
omap_aes_write(dd, AES_REG_LENGTH_N(1), 0);
|
||||
if (dd->flags & FLAGS_GCM)
|
||||
omap_aes_write(dd, AES_REG_A_LEN, dd->assoc_len);
|
||||
|
||||
omap_aes_dma_trigger_omap2(dd, length);
|
||||
}
|
||||
@ -329,14 +207,14 @@ static void omap_aes_dma_stop(struct omap_aes_dev *dd)
|
||||
omap_aes_write_mask(dd, AES_REG_MASK(dd), 0, mask);
|
||||
}
|
||||
|
||||
static struct omap_aes_dev *omap_aes_find_dev(struct omap_aes_ctx *ctx)
|
||||
struct omap_aes_dev *omap_aes_find_dev(struct omap_aes_reqctx *rctx)
|
||||
{
|
||||
struct omap_aes_dev *dd;
|
||||
|
||||
spin_lock_bh(&list_lock);
|
||||
dd = list_first_entry(&dev_list, struct omap_aes_dev, list);
|
||||
list_move_tail(&dd->list, &dev_list);
|
||||
ctx->dd = dd;
|
||||
rctx->dd = dd;
|
||||
spin_unlock_bh(&list_lock);
|
||||
|
||||
return dd;
|
||||
@ -387,26 +265,11 @@ static void omap_aes_dma_cleanup(struct omap_aes_dev *dd)
|
||||
dma_release_channel(dd->dma_lch_in);
|
||||
}
|
||||
|
||||
static void sg_copy_buf(void *buf, struct scatterlist *sg,
|
||||
unsigned int start, unsigned int nbytes, int out)
|
||||
static int omap_aes_crypt_dma(struct omap_aes_dev *dd,
|
||||
struct scatterlist *in_sg,
|
||||
struct scatterlist *out_sg,
|
||||
int in_sg_len, int out_sg_len)
|
||||
{
|
||||
struct scatter_walk walk;
|
||||
|
||||
if (!nbytes)
|
||||
return;
|
||||
|
||||
scatterwalk_start(&walk, sg);
|
||||
scatterwalk_advance(&walk, start);
|
||||
scatterwalk_copychunks(buf, &walk, nbytes, out);
|
||||
scatterwalk_done(&walk, out, 0);
|
||||
}
|
||||
|
||||
static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
|
||||
struct scatterlist *in_sg, struct scatterlist *out_sg,
|
||||
int in_sg_len, int out_sg_len)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
struct omap_aes_dev *dd = ctx->dd;
|
||||
struct dma_async_tx_descriptor *tx_in, *tx_out;
|
||||
struct dma_slave_config cfg;
|
||||
int ret;
|
||||
@ -467,7 +330,10 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
tx_out->callback = omap_aes_dma_out_callback;
|
||||
if (dd->flags & FLAGS_GCM)
|
||||
tx_out->callback = omap_aes_gcm_dma_out_callback;
|
||||
else
|
||||
tx_out->callback = omap_aes_dma_out_callback;
|
||||
tx_out->callback_param = dd;
|
||||
|
||||
dmaengine_submit(tx_in);
|
||||
@ -482,10 +348,8 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
|
||||
int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
|
||||
{
|
||||
struct crypto_tfm *tfm = crypto_ablkcipher_tfm(
|
||||
crypto_ablkcipher_reqtfm(dd->req));
|
||||
int err;
|
||||
|
||||
pr_debug("total: %d\n", dd->total);
|
||||
@ -506,7 +370,7 @@ static int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)
|
||||
}
|
||||
}
|
||||
|
||||
err = omap_aes_crypt_dma(tfm, dd->in_sg, dd->out_sg, dd->in_sg_len,
|
||||
err = omap_aes_crypt_dma(dd, dd->in_sg, dd->out_sg, dd->in_sg_len,
|
||||
dd->out_sg_len);
|
||||
if (err && !dd->pio_only) {
|
||||
dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE);
|
||||
@ -529,7 +393,7 @@ static void omap_aes_finish_req(struct omap_aes_dev *dd, int err)
|
||||
pm_runtime_put_autosuspend(dd->dev);
|
||||
}
|
||||
|
||||
static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
|
||||
int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
|
||||
{
|
||||
pr_debug("total: %d\n", dd->total);
|
||||
|
||||
@ -539,62 +403,6 @@ static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_check_aligned(struct scatterlist *sg, int total)
|
||||
{
|
||||
int len = 0;
|
||||
|
||||
if (!IS_ALIGNED(total, AES_BLOCK_SIZE))
|
||||
return -EINVAL;
|
||||
|
||||
while (sg) {
|
||||
if (!IS_ALIGNED(sg->offset, 4))
|
||||
return -1;
|
||||
if (!IS_ALIGNED(sg->length, AES_BLOCK_SIZE))
|
||||
return -1;
|
||||
|
||||
len += sg->length;
|
||||
sg = sg_next(sg);
|
||||
}
|
||||
|
||||
if (len != total)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_copy_sgs(struct omap_aes_dev *dd)
|
||||
{
|
||||
void *buf_in, *buf_out;
|
||||
int pages, total;
|
||||
|
||||
total = ALIGN(dd->total, AES_BLOCK_SIZE);
|
||||
pages = get_order(total);
|
||||
|
||||
buf_in = (void *)__get_free_pages(GFP_ATOMIC, pages);
|
||||
buf_out = (void *)__get_free_pages(GFP_ATOMIC, pages);
|
||||
|
||||
if (!buf_in || !buf_out) {
|
||||
pr_err("Couldn't allocated pages for unaligned cases.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
dd->orig_out = dd->out_sg;
|
||||
|
||||
sg_copy_buf(buf_in, dd->in_sg, 0, dd->total, 0);
|
||||
|
||||
sg_init_table(&dd->in_sgl, 1);
|
||||
sg_set_buf(&dd->in_sgl, buf_in, total);
|
||||
dd->in_sg = &dd->in_sgl;
|
||||
dd->in_sg_len = 1;
|
||||
|
||||
sg_init_table(&dd->out_sgl, 1);
|
||||
sg_set_buf(&dd->out_sgl, buf_out, total);
|
||||
dd->out_sg = &dd->out_sgl;
|
||||
dd->out_sg_len = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_handle_queue(struct omap_aes_dev *dd,
|
||||
struct ablkcipher_request *req)
|
||||
{
|
||||
@ -609,8 +417,10 @@ static int omap_aes_prepare_req(struct crypto_engine *engine,
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx(
|
||||
crypto_ablkcipher_reqtfm(req));
|
||||
struct omap_aes_dev *dd = ctx->dd;
|
||||
struct omap_aes_reqctx *rctx;
|
||||
struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
|
||||
struct omap_aes_dev *dd = rctx->dd;
|
||||
int ret;
|
||||
u16 flags;
|
||||
|
||||
if (!dd)
|
||||
return -ENODEV;
|
||||
@ -621,6 +431,23 @@ static int omap_aes_prepare_req(struct crypto_engine *engine,
|
||||
dd->total_save = req->nbytes;
|
||||
dd->in_sg = req->src;
|
||||
dd->out_sg = req->dst;
|
||||
dd->orig_out = req->dst;
|
||||
|
||||
flags = OMAP_CRYPTO_COPY_DATA;
|
||||
if (req->src == req->dst)
|
||||
flags |= OMAP_CRYPTO_FORCE_COPY;
|
||||
|
||||
ret = omap_crypto_align_sg(&dd->in_sg, dd->total, AES_BLOCK_SIZE,
|
||||
dd->in_sgl, flags,
|
||||
FLAGS_IN_DATA_ST_SHIFT, &dd->flags);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = omap_crypto_align_sg(&dd->out_sg, dd->total, AES_BLOCK_SIZE,
|
||||
&dd->out_sgl, 0,
|
||||
FLAGS_OUT_DATA_ST_SHIFT, &dd->flags);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
dd->in_sg_len = sg_nents_for_len(dd->in_sg, dd->total);
|
||||
if (dd->in_sg_len < 0)
|
||||
@ -630,22 +457,11 @@ static int omap_aes_prepare_req(struct crypto_engine *engine,
|
||||
if (dd->out_sg_len < 0)
|
||||
return dd->out_sg_len;
|
||||
|
||||
if (omap_aes_check_aligned(dd->in_sg, dd->total) ||
|
||||
omap_aes_check_aligned(dd->out_sg, dd->total)) {
|
||||
if (omap_aes_copy_sgs(dd))
|
||||
pr_err("Failed to copy SGs for unaligned cases\n");
|
||||
dd->sgs_copied = 1;
|
||||
} else {
|
||||
dd->sgs_copied = 0;
|
||||
}
|
||||
|
||||
rctx = ablkcipher_request_ctx(req);
|
||||
ctx = crypto_ablkcipher_ctx(crypto_ablkcipher_reqtfm(req));
|
||||
rctx->mode &= FLAGS_MODE_MASK;
|
||||
dd->flags = (dd->flags & ~FLAGS_MODE_MASK) | rctx->mode;
|
||||
|
||||
dd->ctx = ctx;
|
||||
ctx->dd = dd;
|
||||
rctx->dd = dd;
|
||||
|
||||
return omap_aes_write_ctrl(dd);
|
||||
}
|
||||
@ -653,9 +469,8 @@ static int omap_aes_prepare_req(struct crypto_engine *engine,
|
||||
static int omap_aes_crypt_req(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx(
|
||||
crypto_ablkcipher_reqtfm(req));
|
||||
struct omap_aes_dev *dd = ctx->dd;
|
||||
struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
|
||||
struct omap_aes_dev *dd = rctx->dd;
|
||||
|
||||
if (!dd)
|
||||
return -ENODEV;
|
||||
@ -666,8 +481,6 @@ static int omap_aes_crypt_req(struct crypto_engine *engine,
|
||||
static void omap_aes_done_task(unsigned long data)
|
||||
{
|
||||
struct omap_aes_dev *dd = (struct omap_aes_dev *)data;
|
||||
void *buf_in, *buf_out;
|
||||
int pages, len;
|
||||
|
||||
pr_debug("enter done_task\n");
|
||||
|
||||
@ -680,17 +493,11 @@ static void omap_aes_done_task(unsigned long data)
|
||||
omap_aes_crypt_dma_stop(dd);
|
||||
}
|
||||
|
||||
if (dd->sgs_copied) {
|
||||
buf_in = sg_virt(&dd->in_sgl);
|
||||
buf_out = sg_virt(&dd->out_sgl);
|
||||
omap_crypto_cleanup(dd->in_sgl, NULL, 0, dd->total_save,
|
||||
FLAGS_IN_DATA_ST_SHIFT, dd->flags);
|
||||
|
||||
sg_copy_buf(buf_out, dd->orig_out, 0, dd->total_save, 1);
|
||||
|
||||
len = ALIGN(dd->total_save, AES_BLOCK_SIZE);
|
||||
pages = get_order(len);
|
||||
free_pages((unsigned long)buf_in, pages);
|
||||
free_pages((unsigned long)buf_out, pages);
|
||||
}
|
||||
omap_crypto_cleanup(&dd->out_sgl, dd->orig_out, 0, dd->total_save,
|
||||
FLAGS_OUT_DATA_ST_SHIFT, dd->flags);
|
||||
|
||||
omap_aes_finish_req(dd, 0);
|
||||
|
||||
@ -726,7 +533,7 @@ static int omap_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
|
||||
skcipher_request_zero(subreq);
|
||||
return ret;
|
||||
}
|
||||
dd = omap_aes_find_dev(ctx);
|
||||
dd = omap_aes_find_dev(rctx);
|
||||
if (!dd)
|
||||
return -ENODEV;
|
||||
|
||||
@ -811,6 +618,36 @@ static int omap_aes_cra_init(struct crypto_tfm *tfm)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap_aes_gcm_cra_init(struct crypto_aead *tfm)
|
||||
{
|
||||
struct omap_aes_dev *dd = NULL;
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
int err;
|
||||
|
||||
/* Find AES device, currently picks the first device */
|
||||
spin_lock_bh(&list_lock);
|
||||
list_for_each_entry(dd, &dev_list, list) {
|
||||
break;
|
||||
}
|
||||
spin_unlock_bh(&list_lock);
|
||||
|
||||
err = pm_runtime_get_sync(dd->dev);
|
||||
if (err < 0) {
|
||||
dev_err(dd->dev, "%s: failed to get_sync(%d)\n",
|
||||
__func__, err);
|
||||
return err;
|
||||
}
|
||||
|
||||
tfm->reqsize = sizeof(struct omap_aes_reqctx);
|
||||
ctx->ctr = crypto_alloc_skcipher("ecb(aes)", 0, 0);
|
||||
if (IS_ERR(ctx->ctr)) {
|
||||
pr_warn("could not load aes driver for encrypting IV\n");
|
||||
return PTR_ERR(ctx->ctr);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void omap_aes_cra_exit(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_tfm_ctx(tfm);
|
||||
@ -821,6 +658,16 @@ static void omap_aes_cra_exit(struct crypto_tfm *tfm)
|
||||
ctx->fallback = NULL;
|
||||
}
|
||||
|
||||
static void omap_aes_gcm_cra_exit(struct crypto_aead *tfm)
|
||||
{
|
||||
struct omap_aes_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
|
||||
omap_aes_cra_exit(crypto_aead_tfm(tfm));
|
||||
|
||||
if (ctx->ctr)
|
||||
crypto_free_skcipher(ctx->ctr);
|
||||
}
|
||||
|
||||
/* ********************** ALGS ************************************ */
|
||||
|
||||
static struct crypto_alg algs_ecb_cbc[] = {
|
||||
@ -905,6 +752,54 @@ static struct omap_aes_algs_info omap_aes_algs_info_ecb_cbc[] = {
|
||||
},
|
||||
};
|
||||
|
||||
static struct aead_alg algs_aead_gcm[] = {
|
||||
{
|
||||
.base = {
|
||||
.cra_name = "gcm(aes)",
|
||||
.cra_driver_name = "gcm-aes-omap",
|
||||
.cra_priority = 300,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct omap_aes_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.init = omap_aes_gcm_cra_init,
|
||||
.exit = omap_aes_gcm_cra_exit,
|
||||
.ivsize = 12,
|
||||
.maxauthsize = AES_BLOCK_SIZE,
|
||||
.setkey = omap_aes_gcm_setkey,
|
||||
.encrypt = omap_aes_gcm_encrypt,
|
||||
.decrypt = omap_aes_gcm_decrypt,
|
||||
},
|
||||
{
|
||||
.base = {
|
||||
.cra_name = "rfc4106(gcm(aes))",
|
||||
.cra_driver_name = "rfc4106-gcm-aes-omap",
|
||||
.cra_priority = 300,
|
||||
.cra_flags = CRYPTO_ALG_ASYNC |
|
||||
CRYPTO_ALG_KERN_DRIVER_ONLY,
|
||||
.cra_blocksize = 1,
|
||||
.cra_ctxsize = sizeof(struct omap_aes_ctx),
|
||||
.cra_alignmask = 0xf,
|
||||
.cra_module = THIS_MODULE,
|
||||
},
|
||||
.init = omap_aes_gcm_cra_init,
|
||||
.exit = omap_aes_gcm_cra_exit,
|
||||
.maxauthsize = AES_BLOCK_SIZE,
|
||||
.ivsize = 8,
|
||||
.setkey = omap_aes_4106gcm_setkey,
|
||||
.encrypt = omap_aes_4106gcm_encrypt,
|
||||
.decrypt = omap_aes_4106gcm_decrypt,
|
||||
},
|
||||
};
|
||||
|
||||
static struct omap_aes_aead_algs omap_aes_aead_info = {
|
||||
.algs_list = algs_aead_gcm,
|
||||
.size = ARRAY_SIZE(algs_aead_gcm),
|
||||
};
|
||||
|
||||
static const struct omap_aes_pdata omap_aes_pdata_omap2 = {
|
||||
.algs_info = omap_aes_algs_info_ecb_cbc,
|
||||
.algs_info_size = ARRAY_SIZE(omap_aes_algs_info_ecb_cbc),
|
||||
@ -958,6 +853,7 @@ static const struct omap_aes_pdata omap_aes_pdata_omap3 = {
|
||||
static const struct omap_aes_pdata omap_aes_pdata_omap4 = {
|
||||
.algs_info = omap_aes_algs_info_ecb_cbc_ctr,
|
||||
.algs_info_size = ARRAY_SIZE(omap_aes_algs_info_ecb_cbc_ctr),
|
||||
.aead_algs_info = &omap_aes_aead_info,
|
||||
.trigger = omap_aes_dma_trigger_omap4,
|
||||
.key_ofs = 0x3c,
|
||||
.iv_ofs = 0x40,
|
||||
@ -1140,6 +1036,7 @@ static int omap_aes_probe(struct platform_device *pdev)
|
||||
struct device *dev = &pdev->dev;
|
||||
struct omap_aes_dev *dd;
|
||||
struct crypto_alg *algp;
|
||||
struct aead_alg *aalg;
|
||||
struct resource res;
|
||||
int err = -ENOMEM, i, j, irq = -1;
|
||||
u32 reg;
|
||||
@ -1152,6 +1049,8 @@ static int omap_aes_probe(struct platform_device *pdev)
|
||||
dd->dev = dev;
|
||||
platform_set_drvdata(pdev, dd);
|
||||
|
||||
aead_init_queue(&dd->aead_queue, OMAP_AES_QUEUE_LENGTH);
|
||||
|
||||
err = (dev->of_node) ? omap_aes_get_res_of(dd, dev, &res) :
|
||||
omap_aes_get_res_pdev(dd, pdev, &res);
|
||||
if (err)
|
||||
@ -1207,6 +1106,7 @@ static int omap_aes_probe(struct platform_device *pdev)
|
||||
}
|
||||
}
|
||||
|
||||
spin_lock_init(&dd->lock);
|
||||
|
||||
INIT_LIST_HEAD(&dd->list);
|
||||
spin_lock(&list_lock);
|
||||
@ -1243,7 +1143,29 @@ static int omap_aes_probe(struct platform_device *pdev)
|
||||
}
|
||||
}
|
||||
|
||||
if (dd->pdata->aead_algs_info &&
|
||||
!dd->pdata->aead_algs_info->registered) {
|
||||
for (i = 0; i < dd->pdata->aead_algs_info->size; i++) {
|
||||
aalg = &dd->pdata->aead_algs_info->algs_list[i];
|
||||
algp = &aalg->base;
|
||||
|
||||
pr_debug("reg alg: %s\n", algp->cra_name);
|
||||
INIT_LIST_HEAD(&algp->cra_list);
|
||||
|
||||
err = crypto_register_aead(aalg);
|
||||
if (err)
|
||||
goto err_aead_algs;
|
||||
|
||||
dd->pdata->aead_algs_info->registered++;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
err_aead_algs:
|
||||
for (i = dd->pdata->aead_algs_info->registered - 1; i >= 0; i--) {
|
||||
aalg = &dd->pdata->aead_algs_info->algs_list[i];
|
||||
crypto_unregister_aead(aalg);
|
||||
}
|
||||
err_algs:
|
||||
for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
|
||||
for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
|
||||
@ -1268,6 +1190,7 @@ err_data:
|
||||
static int omap_aes_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct omap_aes_dev *dd = platform_get_drvdata(pdev);
|
||||
struct aead_alg *aalg;
|
||||
int i, j;
|
||||
|
||||
if (!dd)
|
||||
@ -1282,7 +1205,13 @@ static int omap_aes_remove(struct platform_device *pdev)
|
||||
crypto_unregister_alg(
|
||||
&dd->pdata->algs_info[i].algs_list[j]);
|
||||
|
||||
for (i = dd->pdata->aead_algs_info->size - 1; i >= 0; i--) {
|
||||
aalg = &dd->pdata->aead_algs_info->algs_list[i];
|
||||
crypto_unregister_aead(aalg);
|
||||
}
|
||||
|
||||
crypto_engine_exit(dd->engine);
|
||||
|
||||
tasklet_kill(&dd->done_task);
|
||||
omap_aes_dma_cleanup(dd);
|
||||
pm_runtime_disable(dd->dev);
|
||||
|
214
drivers/crypto/omap-aes.h
Normal file
214
drivers/crypto/omap-aes.h
Normal file
@ -0,0 +1,214 @@
|
||||
/*
|
||||
* Cryptographic API.
|
||||
*
|
||||
* Support for OMAP AES HW ACCELERATOR defines
|
||||
*
|
||||
* Copyright (c) 2015 Texas Instruments Incorporated
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as published
|
||||
* by the Free Software Foundation.
|
||||
*
|
||||
*/
|
||||
#ifndef __OMAP_AES_H__
|
||||
#define __OMAP_AES_H__
|
||||
|
||||
#define DST_MAXBURST 4
|
||||
#define DMA_MIN (DST_MAXBURST * sizeof(u32))
|
||||
|
||||
#define _calc_walked(inout) (dd->inout##_walk.offset - dd->inout##_sg->offset)
|
||||
|
||||
/*
|
||||
* OMAP TRM gives bitfields as start:end, where start is the higher bit
|
||||
* number. For example 7:0
|
||||
*/
|
||||
#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
|
||||
#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
|
||||
|
||||
#define AES_REG_KEY(dd, x) ((dd)->pdata->key_ofs - \
|
||||
(((x) ^ 0x01) * 0x04))
|
||||
#define AES_REG_IV(dd, x) ((dd)->pdata->iv_ofs + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_CTRL(dd) ((dd)->pdata->ctrl_ofs)
|
||||
#define AES_REG_CTRL_CONTEXT_READY BIT(31)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_MASK GENMASK(8, 7)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_32 0
|
||||
#define AES_REG_CTRL_CTR_WIDTH_64 BIT(7)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_96 BIT(8)
|
||||
#define AES_REG_CTRL_CTR_WIDTH_128 GENMASK(8, 7)
|
||||
#define AES_REG_CTRL_GCM GENMASK(17, 16)
|
||||
#define AES_REG_CTRL_CTR BIT(6)
|
||||
#define AES_REG_CTRL_CBC BIT(5)
|
||||
#define AES_REG_CTRL_KEY_SIZE GENMASK(4, 3)
|
||||
#define AES_REG_CTRL_DIRECTION BIT(2)
|
||||
#define AES_REG_CTRL_INPUT_READY BIT(1)
|
||||
#define AES_REG_CTRL_OUTPUT_READY BIT(0)
|
||||
#define AES_REG_CTRL_MASK GENMASK(24, 2)
|
||||
|
||||
#define AES_REG_C_LEN_0 0x54
|
||||
#define AES_REG_C_LEN_1 0x58
|
||||
#define AES_REG_A_LEN 0x5C
|
||||
|
||||
#define AES_REG_DATA_N(dd, x) ((dd)->pdata->data_ofs + ((x) * 0x04))
|
||||
#define AES_REG_TAG_N(dd, x) (0x70 + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_REV(dd) ((dd)->pdata->rev_ofs)
|
||||
|
||||
#define AES_REG_MASK(dd) ((dd)->pdata->mask_ofs)
|
||||
#define AES_REG_MASK_SIDLE BIT(6)
|
||||
#define AES_REG_MASK_START BIT(5)
|
||||
#define AES_REG_MASK_DMA_OUT_EN BIT(3)
|
||||
#define AES_REG_MASK_DMA_IN_EN BIT(2)
|
||||
#define AES_REG_MASK_SOFTRESET BIT(1)
|
||||
#define AES_REG_AUTOIDLE BIT(0)
|
||||
|
||||
#define AES_REG_LENGTH_N(x) (0x54 + ((x) * 0x04))
|
||||
|
||||
#define AES_REG_IRQ_STATUS(dd) ((dd)->pdata->irq_status_ofs)
|
||||
#define AES_REG_IRQ_ENABLE(dd) ((dd)->pdata->irq_enable_ofs)
|
||||
#define AES_REG_IRQ_DATA_IN BIT(1)
|
||||
#define AES_REG_IRQ_DATA_OUT BIT(2)
|
||||
#define DEFAULT_TIMEOUT (5 * HZ)
|
||||
|
||||
#define DEFAULT_AUTOSUSPEND_DELAY 1000
|
||||
|
||||
#define FLAGS_MODE_MASK 0x001f
|
||||
#define FLAGS_ENCRYPT BIT(0)
|
||||
#define FLAGS_CBC BIT(1)
|
||||
#define FLAGS_CTR BIT(2)
|
||||
#define FLAGS_GCM BIT(3)
|
||||
#define FLAGS_RFC4106_GCM BIT(4)
|
||||
|
||||
#define FLAGS_INIT BIT(5)
|
||||
#define FLAGS_FAST BIT(6)
|
||||
#define FLAGS_BUSY BIT(7)
|
||||
|
||||
#define FLAGS_IN_DATA_ST_SHIFT 8
|
||||
#define FLAGS_OUT_DATA_ST_SHIFT 10
|
||||
#define FLAGS_ASSOC_DATA_ST_SHIFT 12
|
||||
|
||||
#define AES_BLOCK_WORDS (AES_BLOCK_SIZE >> 2)
|
||||
|
||||
struct omap_aes_gcm_result {
|
||||
struct completion completion;
|
||||
int err;
|
||||
};
|
||||
|
||||
struct omap_aes_ctx {
|
||||
int keylen;
|
||||
u32 key[AES_KEYSIZE_256 / sizeof(u32)];
|
||||
u8 nonce[4];
|
||||
struct crypto_skcipher *fallback;
|
||||
struct crypto_skcipher *ctr;
|
||||
};
|
||||
|
||||
struct omap_aes_reqctx {
|
||||
struct omap_aes_dev *dd;
|
||||
unsigned long mode;
|
||||
u8 iv[AES_BLOCK_SIZE];
|
||||
u32 auth_tag[AES_BLOCK_SIZE / sizeof(u32)];
|
||||
};
|
||||
|
||||
#define OMAP_AES_QUEUE_LENGTH 1
|
||||
#define OMAP_AES_CACHE_SIZE 0
|
||||
|
||||
struct omap_aes_algs_info {
|
||||
struct crypto_alg *algs_list;
|
||||
unsigned int size;
|
||||
unsigned int registered;
|
||||
};
|
||||
|
||||
struct omap_aes_aead_algs {
|
||||
struct aead_alg *algs_list;
|
||||
unsigned int size;
|
||||
unsigned int registered;
|
||||
};
|
||||
|
||||
struct omap_aes_pdata {
|
||||
struct omap_aes_algs_info *algs_info;
|
||||
unsigned int algs_info_size;
|
||||
struct omap_aes_aead_algs *aead_algs_info;
|
||||
|
||||
void (*trigger)(struct omap_aes_dev *dd, int length);
|
||||
|
||||
u32 key_ofs;
|
||||
u32 iv_ofs;
|
||||
u32 ctrl_ofs;
|
||||
u32 data_ofs;
|
||||
u32 rev_ofs;
|
||||
u32 mask_ofs;
|
||||
u32 irq_enable_ofs;
|
||||
u32 irq_status_ofs;
|
||||
|
||||
u32 dma_enable_in;
|
||||
u32 dma_enable_out;
|
||||
u32 dma_start;
|
||||
|
||||
u32 major_mask;
|
||||
u32 major_shift;
|
||||
u32 minor_mask;
|
||||
u32 minor_shift;
|
||||
};
|
||||
|
||||
struct omap_aes_dev {
|
||||
struct list_head list;
|
||||
unsigned long phys_base;
|
||||
void __iomem *io_base;
|
||||
struct omap_aes_ctx *ctx;
|
||||
struct device *dev;
|
||||
unsigned long flags;
|
||||
int err;
|
||||
|
||||
struct tasklet_struct done_task;
|
||||
struct aead_queue aead_queue;
|
||||
spinlock_t lock;
|
||||
|
||||
struct ablkcipher_request *req;
|
||||
struct aead_request *aead_req;
|
||||
struct crypto_engine *engine;
|
||||
|
||||
/*
|
||||
* total is used by PIO mode for book keeping so introduce
|
||||
* variable total_save as need it to calc page_order
|
||||
*/
|
||||
size_t total;
|
||||
size_t total_save;
|
||||
size_t assoc_len;
|
||||
size_t authsize;
|
||||
|
||||
struct scatterlist *in_sg;
|
||||
struct scatterlist *out_sg;
|
||||
|
||||
/* Buffers for copying for unaligned cases */
|
||||
struct scatterlist in_sgl[2];
|
||||
struct scatterlist out_sgl;
|
||||
struct scatterlist *orig_out;
|
||||
|
||||
struct scatter_walk in_walk;
|
||||
struct scatter_walk out_walk;
|
||||
struct dma_chan *dma_lch_in;
|
||||
struct dma_chan *dma_lch_out;
|
||||
int in_sg_len;
|
||||
int out_sg_len;
|
||||
int pio_only;
|
||||
const struct omap_aes_pdata *pdata;
|
||||
};
|
||||
|
||||
u32 omap_aes_read(struct omap_aes_dev *dd, u32 offset);
|
||||
void omap_aes_write(struct omap_aes_dev *dd, u32 offset, u32 value);
|
||||
struct omap_aes_dev *omap_aes_find_dev(struct omap_aes_reqctx *rctx);
|
||||
int omap_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int omap_aes_4106gcm_setkey(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int omap_aes_gcm_encrypt(struct aead_request *req);
|
||||
int omap_aes_gcm_decrypt(struct aead_request *req);
|
||||
int omap_aes_4106gcm_encrypt(struct aead_request *req);
|
||||
int omap_aes_4106gcm_decrypt(struct aead_request *req);
|
||||
int omap_aes_write_ctrl(struct omap_aes_dev *dd);
|
||||
int omap_aes_crypt_dma_start(struct omap_aes_dev *dd);
|
||||
int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd);
|
||||
void omap_aes_gcm_dma_out_callback(void *data);
|
||||
void omap_aes_clear_copy_flags(struct omap_aes_dev *dd);
|
||||
|
||||
#endif
|
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue
Block a user