Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-21 15:33:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

crypto: talitos - add hash algorithms

Browse Source 
Add the following alorithms to talitos:
    md5,
    sha1,
    sha256,
    sha384,
    sha512.
These are all type ahash.

Signed-off-by: Lee Nipper <lee.nipper@gmail.com>
Acked-By: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Lee Nipper 2010-05-19 19:20:36 +10:00 committed by Herbert Xu
parent acbf7c627f
commit 497f2e6b8b
2 changed files with 534 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

544
drivers/crypto/talitos.c
View File

@ -43,6 +43,7 @@
#include <crypto/aes.h>
#include <crypto/des.h>
#include <crypto/sha.h>
#include <crypto/md5.h>
#include <crypto/aead.h>
#include <crypto/authenc.h>
#include <crypto/skcipher.h>
@ -67,6 +68,13 @@ struct talitos_ptr {
__be32 ptr; /* address */
};
static const struct talitos_ptr zero_entry = {
.len = 0,
.j_extent = 0,
.eptr = 0,
.ptr = 0
};
/* descriptor */
struct talitos_desc {
__be32 hdr; /* header high bits */
@ -694,7 +702,7 @@ static void talitos_unregister_rng(struct device *dev)
#define TALITOS_MAX_KEY_SIZE 64
#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
#define MD5_DIGEST_SIZE 16
#define MD5_BLOCK_SIZE 64
struct talitos_ctx {
struct device *dev;
@ -707,6 +715,22 @@ struct talitos_ctx {
unsigned int authsize;
};
#define HASH_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE
#define TALITOS_MDEU_MAX_CONTEXT_SIZE TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512
struct talitos_ahash_req_ctx {
u64 count;
u8 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE];
unsigned int hw_context_size;
u8 buf[HASH_MAX_BLOCK_SIZE];
u8 bufnext[HASH_MAX_BLOCK_SIZE];
unsigned int first;
unsigned int last;
unsigned int to_hash_later;
struct scatterlist bufsl[2];
struct scatterlist *psrc;
};
static int aead_setauthsize(struct crypto_aead *authenc,
unsigned int authsize)
{
@ -823,10 +847,14 @@ static void talitos_sg_unmap(struct device *dev,
else
dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
if (edesc->dst_is_chained)
talitos_unmap_sg_chain(dev, dst, DMA_FROM_DEVICE);
else
dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE);
if (dst) {
if (edesc->dst_is_chained)
talitos_unmap_sg_chain(dev, dst,
DMA_FROM_DEVICE);
else
dma_unmap_sg(dev, dst, dst_nents,
DMA_FROM_DEVICE);
}
} else
if (edesc->src_is_chained)
talitos_unmap_sg_chain(dev, src, DMA_BIDIRECTIONAL);
@ -1116,12 +1144,67 @@ static int sg_count(struct scatterlist *sg_list, int nbytes, int *chained)
return sg_nents;
}
/**
* sg_copy_end_to_buffer - Copy end data from SG list to a linear buffer
* @sgl: The SG list
* @nents: Number of SG entries
* @buf: Where to copy to
* @buflen: The number of bytes to copy
* @skip: The number of bytes to skip before copying.
* Note: skip + buflen should equal SG total size.
*
* Returns the number of copied bytes.
*
**/
static size_t sg_copy_end_to_buffer(struct scatterlist *sgl, unsigned int nents,
void *buf, size_t buflen, unsigned int skip)
{
unsigned int offset = 0;
unsigned int boffset = 0;
struct sg_mapping_iter miter;
unsigned long flags;
unsigned int sg_flags = SG_MITER_ATOMIC;
size_t total_buffer = buflen + skip;
sg_flags |= SG_MITER_FROM_SG;
sg_miter_start(&miter, sgl, nents, sg_flags);
local_irq_save(flags);
while (sg_miter_next(&miter) && offset < total_buffer) {
unsigned int len;
unsigned int ignore;
if ((offset + miter.length) > skip) {
if (offset < skip) {
/* Copy part of this segment */
ignore = skip - offset;
len = miter.length - ignore;
memcpy(buf + boffset, miter.addr + ignore, len);
} else {
/* Copy all of this segment */
len = miter.length;
memcpy(buf + boffset, miter.addr, len);
}
boffset += len;
}
offset += miter.length;
}
sg_miter_stop(&miter);
local_irq_restore(flags);
return boffset;
}
/*
* allocate and map the extended descriptor
*/
static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
struct scatterlist *src,
struct scatterlist *dst,
int hash_result,
unsigned int cryptlen,
unsigned int authsize,
int icv_stashing,
@ -1141,11 +1224,16 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
src_nents = sg_count(src, cryptlen + authsize, &src_chained);
src_nents = (src_nents == 1) ? 0 : src_nents;
if (dst == src) {
dst_nents = src_nents;
if (hash_result) {
dst_nents = 0;
} else {
dst_nents = sg_count(dst, cryptlen + authsize, &dst_chained);
dst_nents = (dst_nents == 1) ? 0 : dst_nents;
if (dst == src) {
dst_nents = src_nents;
} else {
dst_nents = sg_count(dst, cryptlen + authsize,
&dst_chained);
dst_nents = (dst_nents == 1) ? 0 : dst_nents;
}
}
/*
@ -1174,8 +1262,10 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
edesc->src_is_chained = src_chained;
edesc->dst_is_chained = dst_chained;
edesc->dma_len = dma_len;
edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
edesc->dma_len, DMA_BIDIRECTIONAL);
if (dma_len)
edesc->dma_link_tbl = dma_map_single(dev, &edesc->link_tbl[0],
edesc->dma_len,
DMA_BIDIRECTIONAL);
return edesc;
}
@ -1186,7 +1276,7 @@ static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq,
struct crypto_aead *authenc = crypto_aead_reqtfm(areq);
struct talitos_ctx *ctx = crypto_aead_ctx(authenc);
return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst,
return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0,
areq->cryptlen, ctx->authsize, icv_stashing,
areq->base.flags);
}
@ -1443,8 +1533,8 @@ static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *
struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, areq->nbytes,
0, 0, areq->base.flags);
return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0,
areq->nbytes, 0, 0, areq->base.flags);
}
static int ablkcipher_encrypt(struct ablkcipher_request *areq)
@ -1480,6 +1570,286 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
return common_nonsnoop(edesc, areq, NULL, ablkcipher_done);
}
static void common_nonsnoop_hash_unmap(struct device *dev,
struct talitos_edesc *edesc,
struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
unmap_single_talitos_ptr(dev, &edesc->desc.ptr[5], DMA_FROM_DEVICE);
/* When using hashctx-in, must unmap it. */
if (edesc->desc.ptr[1].len)
unmap_single_talitos_ptr(dev, &edesc->desc.ptr[1],
DMA_TO_DEVICE);
if (edesc->desc.ptr[2].len)
unmap_single_talitos_ptr(dev, &edesc->desc.ptr[2],
DMA_TO_DEVICE);
talitos_sg_unmap(dev, edesc, req_ctx->psrc, NULL);
if (edesc->dma_len)
dma_unmap_single(dev, edesc->dma_link_tbl, edesc->dma_len,
DMA_BIDIRECTIONAL);
}
static void ahash_done(struct device *dev,
struct talitos_desc *desc, void *context,
int err)
{
struct ahash_request *areq = context;
struct talitos_edesc *edesc =
container_of(desc, struct talitos_edesc, desc);
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
if (!req_ctx->last && req_ctx->to_hash_later) {
/* Position any partial block for next update/final/finup */
memcpy(req_ctx->buf, req_ctx->bufnext, req_ctx->to_hash_later);
}
common_nonsnoop_hash_unmap(dev, edesc, areq);
kfree(edesc);
areq->base.complete(&areq->base, err);
}
static int common_nonsnoop_hash(struct talitos_edesc *edesc,
struct ahash_request *areq, unsigned int length,
void (*callback) (struct device *dev,
struct talitos_desc *desc,
void *context, int error))
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
struct device *dev = ctx->dev;
struct talitos_desc *desc = &edesc->desc;
int sg_count, ret;
/* first DWORD empty */
desc->ptr[0] = zero_entry;
/* hash context in (if not first) */
if (!req_ctx->first) {
map_single_talitos_ptr(dev, &desc->ptr[1],
req_ctx->hw_context_size,
(char *)req_ctx->hw_context, 0,
DMA_TO_DEVICE);
} else {
desc->ptr[1] = zero_entry;
/* Indicate next op is not the first. */
req_ctx->first = 0;
}
/* HMAC key */
if (ctx->keylen)
map_single_talitos_ptr(dev, &desc->ptr[2], ctx->keylen,
(char *)&ctx->key, 0, DMA_TO_DEVICE);
else
desc->ptr[2] = zero_entry;
/*
* data in
*/
desc->ptr[3].len = cpu_to_be16(length);
desc->ptr[3].j_extent = 0;
sg_count = talitos_map_sg(dev, req_ctx->psrc,
edesc->src_nents ? : 1,
DMA_TO_DEVICE,
edesc->src_is_chained);
if (sg_count == 1) {
to_talitos_ptr(&desc->ptr[3], sg_dma_address(req_ctx->psrc));
} else {
sg_count = sg_to_link_tbl(req_ctx->psrc, sg_count, length,
&edesc->link_tbl[0]);
if (sg_count > 1) {
desc->ptr[3].j_extent |= DESC_PTR_LNKTBL_JUMP;
to_talitos_ptr(&desc->ptr[3], edesc->dma_link_tbl);
dma_sync_single_for_device(ctx->dev,
edesc->dma_link_tbl,
edesc->dma_len,
DMA_BIDIRECTIONAL);
} else {
/* Only one segment now, so no link tbl needed */
to_talitos_ptr(&desc->ptr[3],
sg_dma_address(req_ctx->psrc));
}
}
/* fifth DWORD empty */
desc->ptr[4] = zero_entry;
/* hash/HMAC out -or- hash context out */
if (req_ctx->last)
map_single_talitos_ptr(dev, &desc->ptr[5],
crypto_ahash_digestsize(tfm),
areq->result, 0, DMA_FROM_DEVICE);
else
map_single_talitos_ptr(dev, &desc->ptr[5],
req_ctx->hw_context_size,
req_ctx->hw_context, 0, DMA_FROM_DEVICE);
/* last DWORD empty */
desc->ptr[6] = zero_entry;
ret = talitos_submit(dev, desc, callback, areq);
if (ret != -EINPROGRESS) {
common_nonsnoop_hash_unmap(dev, edesc, areq);
kfree(edesc);
}
return ret;
}
static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq,
unsigned int nbytes)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
return talitos_edesc_alloc(ctx->dev, req_ctx->psrc, NULL, 1,
nbytes, 0, 0, areq->base.flags);
}
static int ahash_init(struct ahash_request *areq)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
/* Initialize the context */
req_ctx->count = 0;
req_ctx->first = 1; /* first indicates h/w must init it's context */
req_ctx->hw_context_size =
(crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
return 0;
}
static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
struct talitos_edesc *edesc;
unsigned int blocksize =
crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
unsigned int nbytes_to_hash;
unsigned int to_hash_later;
unsigned int index;
int chained;
index = req_ctx->count & (blocksize - 1);
req_ctx->count += nbytes;
if (!req_ctx->last && (index + nbytes) < blocksize) {
/* Buffer the partial block */
sg_copy_to_buffer(areq->src,
sg_count(areq->src, nbytes, &chained),
req_ctx->buf + index, nbytes);
return 0;
}
if (index) {
/* partial block from previous update; chain it in. */
sg_init_table(req_ctx->bufsl, (nbytes) ? 2 : 1);
sg_set_buf(req_ctx->bufsl, req_ctx->buf, index);
if (nbytes)
scatterwalk_sg_chain(req_ctx->bufsl, 2,
areq->src);
req_ctx->psrc = req_ctx->bufsl;
} else {
req_ctx->psrc = areq->src;
}
nbytes_to_hash = index + nbytes;
if (!req_ctx->last) {
to_hash_later = (nbytes_to_hash & (blocksize - 1));
if (to_hash_later) {
int nents;
/* Must copy to_hash_later bytes from the end
* to bufnext (a partial block) for later.
*/
nents = sg_count(areq->src, nbytes, &chained);
sg_copy_end_to_buffer(areq->src, nents,
req_ctx->bufnext,
to_hash_later,
nbytes - to_hash_later);
/* Adjust count for what will be hashed now */
nbytes_to_hash -= to_hash_later;
}
req_ctx->to_hash_later = to_hash_later;
}
/* allocate extended descriptor */
edesc = ahash_edesc_alloc(areq, nbytes_to_hash);
if (IS_ERR(edesc))
return PTR_ERR(edesc);
edesc->desc.hdr = ctx->desc_hdr_template;
/* On last one, request SEC to pad; otherwise continue */
if (req_ctx->last)
edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_PAD;
else
edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT;
/* On first one, request SEC to INIT hash. */
if (req_ctx->first)
edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
/* When the tfm context has a keylen, it's an HMAC.
* A first or last (ie. not middle) descriptor must request HMAC.
*/
if (ctx->keylen && (req_ctx->first || req_ctx->last))
edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_HMAC;
return common_nonsnoop_hash(edesc, areq, nbytes_to_hash,
ahash_done);
}
static int ahash_update(struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
req_ctx->last = 0;
return ahash_process_req(areq, areq->nbytes);
}
static int ahash_final(struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
req_ctx->last = 1;
return ahash_process_req(areq, 0);
}
static int ahash_finup(struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
req_ctx->last = 1;
return ahash_process_req(areq, areq->nbytes);
}
static int ahash_digest(struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
ahash_init(areq);
req_ctx->last = 1;
return ahash_process_req(areq, areq->nbytes);
}
struct talitos_alg_template {
u32 type;
union {
@ -1695,7 +2065,113 @@ static struct talitos_alg_template driver_algs[] = {
DESC_HDR_SEL0_DEU |
DESC_HDR_MODE0_DEU_CBC |
DESC_HDR_MODE0_DEU_3DES,
}
},
/* AHASH algorithms. */
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.init = ahash_init,
.update = ahash_update,
.final = ahash_final,
.finup = ahash_finup,
.digest = ahash_digest,
.halg.digestsize = MD5_DIGEST_SIZE,
.halg.base = {
.cra_name = "md5",
.cra_driver_name = "md5-talitos",
.cra_blocksize = MD5_BLOCK_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_ASYNC,
.cra_type = &crypto_ahash_type
}
},
.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
DESC_HDR_SEL0_MDEUA |
DESC_HDR_MODE0_MDEU_MD5,
},
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.init = ahash_init,
.update = ahash_update,
.final = ahash_final,
.finup = ahash_finup,
.digest = ahash_digest,
.halg.digestsize = SHA1_DIGEST_SIZE,
.halg.base = {
.cra_name = "sha1",
.cra_driver_name = "sha1-talitos",
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_ASYNC,
.cra_type = &crypto_ahash_type
}
},
.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
DESC_HDR_SEL0_MDEUA |
DESC_HDR_MODE0_MDEU_SHA1,
},
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.init = ahash_init,
.update = ahash_update,
.final = ahash_final,
.finup = ahash_finup,
.digest = ahash_digest,
.halg.digestsize = SHA256_DIGEST_SIZE,
.halg.base = {
.cra_name = "sha256",
.cra_driver_name = "sha256-talitos",
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_ASYNC,
.cra_type = &crypto_ahash_type
}
},
.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
DESC_HDR_SEL0_MDEUA |
DESC_HDR_MODE0_MDEU_SHA256,
},
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.init = ahash_init,
.update = ahash_update,
.final = ahash_final,
.finup = ahash_finup,
.digest = ahash_digest,
.halg.digestsize = SHA384_DIGEST_SIZE,
.halg.base = {
.cra_name = "sha384",
.cra_driver_name = "sha384-talitos",
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_ASYNC,
.cra_type = &crypto_ahash_type
}
},
.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
DESC_HDR_SEL0_MDEUB |
DESC_HDR_MODE0_MDEUB_SHA384,
},
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.init = ahash_init,
.update = ahash_update,
.final = ahash_final,
.finup = ahash_finup,
.digest = ahash_digest,
.halg.digestsize = SHA512_DIGEST_SIZE,
.halg.base = {
.cra_name = "sha512",
.cra_driver_name = "sha512-talitos",
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_AHASH |
CRYPTO_ALG_ASYNC,
.cra_type = &crypto_ahash_type
}
},
.desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
DESC_HDR_SEL0_MDEUB |
DESC_HDR_MODE0_MDEUB_SHA512,
},
};
struct talitos_crypto_alg {
@ -1710,8 +2186,13 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
struct talitos_crypto_alg *talitos_alg;
struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
talitos_alg = container_of(alg, struct talitos_crypto_alg,
algt.alg.crypto);
if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
talitos_alg = container_of(__crypto_ahash_alg(alg),
struct talitos_crypto_alg,
algt.alg.hash);
else
talitos_alg = container_of(alg, struct talitos_crypto_alg,
algt.alg.crypto);
/* update context with ptr to dev */
ctx->dev = talitos_alg->dev;
@ -1719,12 +2200,34 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
/* copy descriptor header template value */
ctx->desc_hdr_template = talitos_alg->algt.desc_hdr_template;
return 0;
}
static int talitos_cra_init_aead(struct crypto_tfm *tfm)
{
struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
talitos_cra_init(tfm);
/* random first IV */
get_random_bytes(ctx->iv, TALITOS_MAX_IV_LENGTH);
return 0;
}
static int talitos_cra_init_ahash(struct crypto_tfm *tfm)
{
struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
talitos_cra_init(tfm);
ctx->keylen = 0;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct talitos_ahash_req_ctx));
return 0;
}
/*
* given the alg's descriptor header template, determine whether descriptor
* type and primary/secondary execution units required match the hw
@ -1806,15 +2309,20 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
switch (t_alg->algt.type) {
case CRYPTO_ALG_TYPE_ABLKCIPHER:
alg = &t_alg->algt.alg.crypto;
alg->cra_init = talitos_cra_init;
break;
case CRYPTO_ALG_TYPE_AEAD:
alg = &t_alg->algt.alg.crypto;
alg->cra_init = talitos_cra_init_aead;
break;
case CRYPTO_ALG_TYPE_AHASH:
alg = &t_alg->algt.alg.hash.halg.base;
alg->cra_init = talitos_cra_init_ahash;
break;
}
alg->cra_module = THIS_MODULE;
alg->cra_init = talitos_cra_init;
alg->cra_priority = TALITOS_CRA_PRIORITY;
alg->cra_alignmask = 0;
alg->cra_ctxsize = sizeof(struct talitos_ctx);

8
drivers/crypto/talitos.h
View File

@ -130,6 +130,9 @@
#define TALITOS_CRCUISR 0xf030 /* cyclic redundancy check unit*/
#define TALITOS_CRCUISR_LO 0xf034
#define TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256 0x28
#define TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512 0x48
/*
* talitos descriptor header (hdr) bits
*/
@ -157,12 +160,15 @@
#define DESC_HDR_MODE0_AESU_CBC cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_DEU_CBC cpu_to_be32(0x00400000)
#define DESC_HDR_MODE0_DEU_3DES cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_CONT cpu_to_be32(0x08000000)
#define DESC_HDR_MODE0_MDEU_INIT cpu_to_be32(0x01000000)
#define DESC_HDR_MODE0_MDEU_HMAC cpu_to_be32(0x00800000)
#define DESC_HDR_MODE0_MDEU_PAD cpu_to_be32(0x00400000)
#define DESC_HDR_MODE0_MDEU_MD5 cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_SHA256 cpu_to_be32(0x00100000)
#define DESC_HDR_MODE0_MDEU_SHA1 cpu_to_be32(0x00000000)
#define DESC_HDR_MODE0_MDEUB_SHA384 cpu_to_be32(0x00000000)
#define DESC_HDR_MODE0_MDEUB_SHA512 cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_MD5_HMAC (DESC_HDR_MODE0_MDEU_MD5 | \
DESC_HDR_MODE0_MDEU_HMAC)
#define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \
@ -184,6 +190,8 @@
#define DESC_HDR_MODE1_MDEU_MD5 cpu_to_be32(0x00000200)
#define DESC_HDR_MODE1_MDEU_SHA256 cpu_to_be32(0x00000100)
#define DESC_HDR_MODE1_MDEU_SHA1 cpu_to_be32(0x00000000)
#define DESC_HDR_MODE1_MDEUB_SHA384 cpu_to_be32(0x00000000)
#define DESC_HDR_MODE1_MDEUB_SHA512 cpu_to_be32(0x00000200)
#define DESC_HDR_MODE1_MDEU_MD5_HMAC (DESC_HDR_MODE1_MDEU_MD5 | \
DESC_HDR_MODE1_MDEU_HMAC)
#define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \