diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index e275ee7c1bc1..12d21eec4568 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -30,6 +30,7 @@ #include <drm/gpu_scheduler.h> #include <drm/drm_file.h> #include <drm/ttm/ttm_bo_driver.h> +#include <linux/chash.h> #include "amdgpu_sync.h" #include "amdgpu_ring.h" @@ -178,6 +179,13 @@ struct amdgpu_task_info { pid_t tgid; }; +#define AMDGPU_PAGEFAULT_HASH_BITS 8 +struct amdgpu_retryfault_hashtable { + DECLARE_CHASH_TABLE(hash, AMDGPU_PAGEFAULT_HASH_BITS, 8, 0); + spinlock_t lock; + int count; +}; + struct amdgpu_vm { /* tree of virtual addresses mapped */ struct rb_root_cached va; @@ -240,6 +248,7 @@ struct amdgpu_vm { struct ttm_lru_bulk_move lru_bulk_move; /* mark whether can do the bulk move */ bool bulk_moveable; + struct amdgpu_retryfault_hashtable *fault_hash; }; struct amdgpu_vm_manager { @@ -355,4 +364,8 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm); void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, struct amdgpu_vm *vm); +int amdgpu_vm_add_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key); + +void amdgpu_vm_clear_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key); + #endif |