diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 2c37a374917f..675e12c42532 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -28,22 +28,48 @@ #define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */ #define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */ #define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */ +#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */ + +/** + * struct amdgpu_virt_ops - amdgpu device virt operations + */ +struct amdgpu_virt_ops { + int (*req_full_gpu)(struct amdgpu_device *adev, bool init); + int (*rel_full_gpu)(struct amdgpu_device *adev, bool init); + int (*reset_gpu)(struct amdgpu_device *adev); +}; + /* GPU virtualization */ -struct amdgpu_virtualization { - uint32_t virtual_caps; +struct amdgpu_virt { + uint32_t caps; + struct amdgpu_bo *csa_obj; + uint64_t csa_vmid0_addr; + bool chained_ib_support; + uint32_t reg_val_offs; + struct mutex lock; + struct amdgpu_irq_src ack_irq; + struct amdgpu_irq_src rcv_irq; + struct delayed_work flr_work; + const struct amdgpu_virt_ops *ops; }; +#define AMDGPU_CSA_SIZE (8 * 1024) +#define AMDGPU_CSA_VADDR (AMDGPU_VA_RESERVED_SIZE - AMDGPU_CSA_SIZE) + #define amdgpu_sriov_enabled(adev) \ -((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV) +((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV) #define amdgpu_sriov_vf(adev) \ -((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_IS_VF) +((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF) #define amdgpu_sriov_bios(adev) \ -((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS) +((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS) + +#define amdgpu_sriov_runtime(adev) \ +((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME) #define amdgpu_passthrough(adev) \ -((adev)->virtualization.virtual_caps & AMDGPU_PASSTHROUGH_MODE) +((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE) static inline bool is_virtual_machine(void) { @@ -54,4 +80,14 @@ static inline bool is_virtual_machine(void) #endif } -#endif
\ No newline at end of file +struct amdgpu_vm; +int amdgpu_allocate_static_csa(struct amdgpu_device *adev); +int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm); +void amdgpu_virt_init_setting(struct amdgpu_device *adev); +uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg); +void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v); +int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init); +int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init); +int amdgpu_virt_reset_gpu(struct amdgpu_device *adev); + +#endif |