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Diffstat (limited to 'arch/arm/plat-omap/include/plat/iommu.h')
-rw-r--r--arch/arm/plat-omap/include/plat/iommu.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 69230d685538..174f1b9c8c03 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -31,6 +31,7 @@ struct iommu {
struct clk *clk;
void __iomem *regbase;
struct device *dev;
+ void *isr_priv;
unsigned int refcount;
struct mutex iommu_lock; /* global for this whole object */
@@ -47,7 +48,7 @@ struct iommu {
struct list_head mmap;
struct mutex mmap_lock; /* protect mmap */
- int (*isr)(struct iommu *obj);
+ int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs, void *priv);
void *ctx; /* iommu context: registres saved area */
u32 da_start;
@@ -109,6 +110,13 @@ struct iommu_platform_data {
u32 da_end;
};
+/* IOMMU errors */
+#define OMAP_IOMMU_ERR_TLB_MISS (1 << 0)
+#define OMAP_IOMMU_ERR_TRANS_FAULT (1 << 1)
+#define OMAP_IOMMU_ERR_EMU_MISS (1 << 2)
+#define OMAP_IOMMU_ERR_TBLWALK_FAULT (1 << 3)
+#define OMAP_IOMMU_ERR_MULTIHIT_FAULT (1 << 4)
+
#if defined(CONFIG_ARCH_OMAP1)
#error "iommu for this processor not implemented yet"
#else
@@ -154,11 +162,17 @@ extern void flush_iotlb_range(struct iommu *obj, u32 start, u32 end);
extern void flush_iotlb_all(struct iommu *obj);
extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e);
+extern void iopgtable_lookup_entry(struct iommu *obj, u32 da, u32 **ppgd,
+ u32 **ppte);
extern size_t iopgtable_clear_entry(struct iommu *obj, u32 iova);
extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end);
extern struct iommu *iommu_get(const char *name);
extern void iommu_put(struct iommu *obj);
+extern int iommu_set_isr(const char *name,
+ int (*isr)(struct iommu *obj, u32 da, u32 iommu_errs,
+ void *priv),
+ void *isr_priv);
extern void iommu_save_ctx(struct iommu *obj);
extern void iommu_restore_ctx(struct iommu *obj);