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iommu/dma: Make header private

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Now that dma-iommu.h only contains internal interfaces, make it
private to the IOMMU subsytem.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/b237e06c56a101f77af142a54b629b27aa179d22.1660668998.git.robin.murphy@arm.com
[ joro : re-add stub for iommu_dma_get_resv_regions ]
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2022-08-16 18:28:05 +01:00 committed by Joerg Roedel
parent fa49364cd5
commit f2042ed21d
12 changed files with 14 additions and 23 deletions
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2
MAINTAINERS
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@ -10626,8 +10626,8 @@ L: iommu@lists.linux.dev
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
F: drivers/iommu/dma-iommu.c
F: drivers/iommu/dma-iommu.h
F: drivers/iommu/iova.c
F: include/linux/dma-iommu.h
F: include/linux/iova.h
IOMMU SUBSYSTEM

1
drivers/acpi/viot.c
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@ -19,7 +19,6 @@
#define pr_fmt(fmt) "ACPI: VIOT: " fmt
#include <linux/acpi_viot.h>
#include <linux/dma-iommu.h>
#include <linux/fwnode.h>
#include <linux/iommu.h>
#include <linux/list.h>

1
drivers/gpu/drm/exynos/exynos_drm_dma.c
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@ -4,7 +4,6 @@
// Author: Inki Dae <inki.dae@samsung.com>
// Author: Andrzej Hajda <a.hajda@samsung.com>
#include <linux/dma-iommu.h>
#include <linux/dma-map-ops.h>
#include <linux/iommu.h>
#include <linux/platform_device.h>

2
drivers/iommu/amd/iommu.c
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@ -18,7 +18,6 @@
#include <linux/scatterlist.h>
#include <linux/dma-map-ops.h>
#include <linux/dma-direct.h>
#include <linux/dma-iommu.h>
#include <linux/iommu-helper.h>
#include <linux/delay.h>
#include <linux/amd-iommu.h>
@ -40,6 +39,7 @@
#include <asm/dma.h>
#include "amd_iommu.h"
#include "../dma-iommu.h"
#include "../irq_remapping.h"
#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))

3
drivers/iommu/apple-dart.c
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@ -15,7 +15,6 @@
#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/dev_printk.h>
#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/interrupt.h>
@ -33,6 +32,8 @@
#include <linux/swab.h>
#include <linux/types.h>
#include "dma-iommu.h"
#define DART_MAX_STREAMS 16
#define DART_MAX_TTBR 4
#define MAX_DARTS_PER_DEVICE 2

2
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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@ -14,7 +14,6 @@
#include <linux/bitops.h>
#include <linux/crash_dump.h>
#include <linux/delay.h>
#include <linux/dma-iommu.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/io-pgtable.h>
@ -29,6 +28,7 @@
#include <linux/platform_device.h>
#include "arm-smmu-v3.h"
#include "../../dma-iommu.h"
#include "../../iommu-sva-lib.h"
static bool disable_bypass = true;

2
drivers/iommu/arm/arm-smmu/arm-smmu.c
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@ -21,7 +21,6 @@
#include <linux/acpi_iort.h>
#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/interrupt.h>
@ -40,6 +39,7 @@
#include <linux/fsl/mc.h>
#include "arm-smmu.h"
#include "../../dma-iommu.h"
/*
* Apparently, some Qualcomm arm64 platforms which appear to expose their SMMU

3
drivers/iommu/dma-iommu.c
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@ -13,7 +13,6 @@
#include <linux/crash_dump.h>
#include <linux/device.h>
#include <linux/dma-direct.h>
#include <linux/dma-iommu.h>
#include <linux/dma-map-ops.h>
#include <linux/gfp.h>
#include <linux/huge_mm.h>
@ -30,6 +29,8 @@
#include <linux/swiotlb.h>
#include <linux/vmalloc.h>
#include "dma-iommu.h"
struct iommu_dma_msi_page {
struct list_head list;
dma_addr_t iova;

13
include/linux/dma-iommu.h → drivers/iommu/dma-iommu.h
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@ -5,15 +5,10 @@
#ifndef __DMA_IOMMU_H
#define __DMA_IOMMU_H
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/iommu.h>
#ifdef CONFIG_IOMMU_DMA
#include <linux/dma-mapping.h>
#include <linux/iommu.h>
#include <linux/msi.h>
/* Domain management interface for IOMMU drivers */
int iommu_get_dma_cookie(struct iommu_domain *domain);
void iommu_put_dma_cookie(struct iommu_domain *domain);
@ -21,16 +16,10 @@ int iommu_dma_init_fq(struct iommu_domain *domain);
void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
struct iommu_domain *domain);
extern bool iommu_dma_forcedac;
#else /* CONFIG_IOMMU_DMA */
struct iommu_domain;
struct device;
static inline int iommu_dma_init_fq(struct iommu_domain *domain)
{
return -EINVAL;

2
drivers/iommu/intel/iommu.c
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@ -15,7 +15,6 @@
#include <linux/crash_dump.h>
#include <linux/dma-direct.h>
#include <linux/dma-iommu.h>
#include <linux/dmi.h>
#include <linux/intel-svm.h>
#include <linux/memory.h>
@ -26,6 +25,7 @@
#include <linux/tboot.h>
#include "iommu.h"
#include "../dma-iommu.h"
#include "../irq_remapping.h"
#include "../iommu-sva-lib.h"
#include "pasid.h"

3
drivers/iommu/iommu.c
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@ -8,7 +8,6 @@
#include <linux/amba/bus.h>
#include <linux/device.h>
#include <linux/dma-iommu.h>
#include <linux/kernel.h>
#include <linux/bits.h>
#include <linux/bug.h>
@ -30,6 +29,8 @@
#include <linux/cc_platform.h>
#include <trace/events/iommu.h>
#include "dma-iommu.h"
static struct kset *iommu_group_kset;
static DEFINE_IDA(iommu_group_ida);

3
drivers/iommu/virtio-iommu.c
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@ -8,7 +8,6 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/delay.h>
#include <linux/dma-iommu.h>
#include <linux/dma-map-ops.h>
#include <linux/freezer.h>
#include <linux/interval_tree.h>
@ -23,6 +22,8 @@
#include <uapi/linux/virtio_iommu.h>
#include "dma-iommu.h"
#define MSI_IOVA_BASE 0x8000000
#define MSI_IOVA_LENGTH 0x100000