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iommu/dma: Make header private 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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
View File

@ -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