and implement CSA functions in this file
Change-Id: Ife0eff7b13b8b5946f005a39f6ecb8db1cb72c38
Signed-off-by: Monk Liu <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 8 ++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 +++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 0d821d9..b65bedc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -28,11 +28,19 @@
#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 */
+
/* GPU virtualization */
struct amdgpu_virt {
uint32_t caps;
+ uint32_t csa_size;
+ struct amdgpu_bo *csa_obj;
+ uint64_t csa_vmid0_addr;
+ uint64_t gds_vmid0_addr;
};
+#define AMDGPU_CSA_SIZE (8 * 1024)
+#define AMDGPU_CSA_VADDR (AMDGPU_VA_RESERVED_SIZE - AMDGPU_CSA_SIZE)
+
#define amdgpu_sriov_enabled(adev) \
((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 42a629b..42f1ec1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -111,6 +111,9 @@ struct amdgpu_vm {
/* client id */
u64 client_id;
+ /* each VM will map on CSA */
+ struct ttm_validate_buffer csa_tv;
+ struct amdgpu_bo_va *csa_bo_va;
};
struct amdgpu_vm_id {
--
2.7.4
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