diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index f990eecacb11..13ea68a81ac1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -121,6 +121,11 @@ extern int amdgpu_param_buf_per_se; /* max number of IP instances */ #define AMDGPU_MAX_SDMA_INSTANCES 2 +/* max number of VMHUB */ +#define AMDGPU_MAX_VMHUBS 2 +#define AMDGPU_MMHUB 0 +#define AMDGPU_GFXHUB 1 + /* hardcode that limit for now */ #define AMDGPU_VA_RESERVED_SIZE (8 << 20) @@ -308,6 +313,12 @@ struct amdgpu_gart_funcs { uint32_t flags); }; +/* provided by the mc block */ +struct amdgpu_mc_funcs { + /* adjust mc addr in fb for APU case */ + u64 (*adjust_mc_addr)(struct amdgpu_device *adev, u64 addr); +}; + /* provided by the ih block */ struct amdgpu_ih_funcs { /* ring read/write ptr handling, called from interrupt context */ @@ -557,6 +568,21 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, int amdgpu_ttm_recover_gart(struct amdgpu_device *adev); /* + * VMHUB structures, functions & helpers + */ +struct amdgpu_vmhub { + uint32_t ctx0_ptb_addr_lo32; + uint32_t ctx0_ptb_addr_hi32; + uint32_t vm_inv_eng0_req; + uint32_t vm_inv_eng0_ack; + uint32_t vm_context0_cntl; + uint32_t vm_l2_pro_fault_status; + uint32_t vm_l2_pro_fault_cntl; + uint32_t (*get_invalidate_req)(unsigned int vm_id); + uint32_t (*get_vm_protection_bits)(void); +}; + +/* * GPU MC structures, functions & helpers */ struct amdgpu_mc { @@ -589,6 +615,9 @@ struct amdgpu_mc { u64 shared_aperture_end; u64 private_aperture_start; u64 private_aperture_end; + /* protects concurrent invalidation */ + spinlock_t invalidate_lock; + const struct amdgpu_mc_funcs *mc_funcs; }; /* @@ -1473,6 +1502,7 @@ struct amdgpu_device { struct amdgpu_gart gart; struct amdgpu_dummy_page dummy_page; struct amdgpu_vm_manager vm_manager; + struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS]; /* memory management */ struct amdgpu_mman mman; |