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Diffstat (limited to 'include/linux/omap-iommu.h')
-rw-r--r--include/linux/omap-iommu.h37
1 files changed, 2 insertions, 35 deletions
diff --git a/include/linux/omap-iommu.h b/include/linux/omap-iommu.h
index cac78de09c07..c1aede46718b 100644
--- a/include/linux/omap-iommu.h
+++ b/include/linux/omap-iommu.h
@@ -10,41 +10,8 @@
10 * published by the Free Software Foundation. 10 * published by the Free Software Foundation.
11 */ 11 */
12 12
13#ifndef _INTEL_IOMMU_H_ 13#ifndef _OMAP_IOMMU_H_
14#define _INTEL_IOMMU_H_ 14#define _OMAP_IOMMU_H_
15
16struct iovm_struct {
17 struct omap_iommu *iommu; /* iommu object which this belongs to */
18 u32 da_start; /* area definition */
19 u32 da_end;
20 u32 flags; /* IOVMF_: see below */
21 struct list_head list; /* linked in ascending order */
22 const struct sg_table *sgt; /* keep 'page' <-> 'da' mapping */
23 void *va; /* mpu side mapped address */
24};
25
26#define MMU_RAM_ENDIAN_SHIFT 9
27#define MMU_RAM_ENDIAN_LITTLE (0 << MMU_RAM_ENDIAN_SHIFT)
28#define MMU_RAM_ELSZ_8 (0 << MMU_RAM_ELSZ_SHIFT)
29#define IOVMF_ENDIAN_LITTLE MMU_RAM_ENDIAN_LITTLE
30#define MMU_RAM_ELSZ_SHIFT 7
31#define IOVMF_ELSZ_8 MMU_RAM_ELSZ_8
32
33struct iommu_domain;
34
35extern struct iovm_struct *omap_find_iovm_area(struct device *dev, u32 da);
36extern u32
37omap_iommu_vmap(struct iommu_domain *domain, struct device *dev, u32 da,
38 const struct sg_table *sgt, u32 flags);
39extern struct sg_table *omap_iommu_vunmap(struct iommu_domain *domain,
40 struct device *dev, u32 da);
41extern u32
42omap_iommu_vmalloc(struct iommu_domain *domain, struct device *dev,
43 u32 da, size_t bytes, u32 flags);
44extern void
45omap_iommu_vfree(struct iommu_domain *domain, struct device *dev,
46 const u32 da);
47extern void *omap_da_to_va(struct device *dev, u32 da);
48 15
49extern void omap_iommu_save_ctx(struct device *dev); 16extern void omap_iommu_save_ctx(struct device *dev);
50extern void omap_iommu_restore_ctx(struct device *dev); 17extern void omap_iommu_restore_ctx(struct device *dev);