drm/amdgpu/virt: add high level interfaces for virt

Add high level interfaces that is not relate to specific asic. So
asic files just need to implement the interfaces to support
virtualization.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 18 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 433f559bc4a1..d4605442026e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -30,13 +30,23 @@
 #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_virt {
-        uint32_t caps;
-        struct amdgpu_bo *csa_obj;
-        uint64_t csa_vmid0_addr;
-        uint32_t                reg_val_offs;
-        struct mutex            lock;
+        uint32_t                        caps;
+        struct amdgpu_bo                *csa_obj;
+        uint64_t                        csa_vmid0_addr;
+        uint32_t                        reg_val_offs;
+        struct mutex                    lock;
+        const struct amdgpu_virt_ops    *ops;
 };
 
 #define AMDGPU_CSA_SIZE    (8 * 1024)
@@ -72,5 +82,8 @@ 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