diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index e867be599b8d..a4a8374f7f3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -48,6 +48,27 @@ struct amdgpu_vmhub { /* * GPU MC structures, functions & helpers */ +struct amdgpu_gmc_funcs { + /* flush the vm tlb via mmio */ + void (*flush_gpu_tlb)(struct amdgpu_device *adev, + uint32_t vmid); + /* write pte/pde updates using the cpu */ + int (*set_pte_pde)(struct amdgpu_device *adev, + void *cpu_pt_addr, /* cpu addr of page table */ + uint32_t gpu_page_idx, /* pte/pde to update */ + uint64_t addr, /* addr to write into pte/pde */ + uint64_t flags); /* access flags */ + /* enable/disable PRT support */ + void (*set_prt)(struct amdgpu_device *adev, bool enable); + /* set pte flags based per asic */ + uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev, + uint32_t flags); + /* get the pde for a given mc addr */ + void (*get_vm_pde)(struct amdgpu_device *adev, int level, + u64 *dst, u64 *flags); + uint32_t (*get_invalidate_req)(unsigned int vmid); +}; + struct amdgpu_gmc { resource_size_t aper_size; resource_size_t aper_base; @@ -79,6 +100,8 @@ struct amdgpu_gmc { /* protects concurrent invalidation */ spinlock_t invalidate_lock; bool translate_further; + + const struct amdgpu_gmc_funcs *gmc_funcs; }; #endif |