diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h index 3de8e74e5b3a..ada89358e220 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h @@ -24,6 +24,8 @@ #ifndef __AMDGPU_IH_H__ #define __AMDGPU_IH_H__ +#include <linux/chash.h> + struct amdgpu_device; /* * vega10+ IH clients @@ -69,6 +71,13 @@ enum amdgpu_ih_clientid #define AMDGPU_IH_CLIENTID_LEGACY 0 +#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; +}; + /* * R6xx+ IH ring */ @@ -87,6 +96,7 @@ struct amdgpu_ih_ring { bool use_doorbell; bool use_bus_addr; dma_addr_t rb_dma_addr; /* only used when use_bus_addr = true */ + struct amdgpu_retryfault_hashtable *faults; }; #define AMDGPU_IH_SRC_DATA_MAX_SIZE_DW 4 @@ -109,5 +119,7 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size, bool use_bus_addr); void amdgpu_ih_ring_fini(struct amdgpu_device *adev); int amdgpu_ih_process(struct amdgpu_device *adev); +int amdgpu_ih_add_fault(struct amdgpu_device *adev, u64 key); +void amdgpu_ih_clear_fault(struct amdgpu_device *adev, u64 key); #endif |