diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_mmu.h')
-rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_mmu.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h index d072eda7a00d..ab603f5166b1 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h @@ -17,7 +17,8 @@ #ifndef __ETNAVIV_MMU_H__ #define __ETNAVIV_MMU_H__ -#include <linux/iommu.h> +#define ETNAVIV_PROT_READ (1 << 0) +#define ETNAVIV_PROT_WRITE (1 << 1) enum etnaviv_iommu_version { ETNAVIV_IOMMU_V1 = 0, @@ -26,16 +27,31 @@ enum etnaviv_iommu_version { struct etnaviv_gpu; struct etnaviv_vram_mapping; +struct etnaviv_iommu_domain; -struct etnaviv_iommu_ops { - struct iommu_ops ops; - size_t (*dump_size)(struct iommu_domain *); - void (*dump)(struct iommu_domain *, void *); +struct etnaviv_iommu_domain_ops { + void (*free)(struct etnaviv_iommu_domain *); + int (*map)(struct etnaviv_iommu_domain *domain, unsigned long iova, + phys_addr_t paddr, size_t size, int prot); + size_t (*unmap)(struct etnaviv_iommu_domain *domain, unsigned long iova, + size_t size); + size_t (*dump_size)(struct etnaviv_iommu_domain *); + void (*dump)(struct etnaviv_iommu_domain *, void *); +}; + +struct etnaviv_iommu_domain { + struct device *dev; + void *bad_page_cpu; + dma_addr_t bad_page_dma; + u64 base; + u64 size; + + const struct etnaviv_iommu_domain_ops *ops; }; struct etnaviv_iommu { struct etnaviv_gpu *gpu; - struct iommu_domain *domain; + struct etnaviv_iommu_domain *domain; enum etnaviv_iommu_version version; |