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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2022-01-18 16:44:06 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-26 02:00:33 +0300 |
| commit | 5d447e296701484f3df5b31a7a078cbf1e3a9cc9 (patch) | |
| tree | d5fabebdba302af43038d7195ca73f1c273475dd /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | |
| parent | f8f96b17f0fa302b246e35773074f39e43add023 (diff) | |
| download | linux-5d447e296701484f3df5b31a7a078cbf1e3a9cc9.tar.xz | |
drm/amdgpu: add helper for rlcg indirect reg access
The helper will be used to access registers from sriov
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Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Zhou, Peng Ju <PengJu.Zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 404a06e57f30..dbfa3ba445c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -38,6 +38,11 @@ #define AMDGPU_RLCG_GC_READ (0x1 << 28) #define AMDGPU_RLCG_MMHUB_WRITE (0x2 << 28) +/* error code for indirect register access path supported by rlcg for sriov */ +#define AMDGPU_RLCG_VFGATE_DISABLED 0x4000000 +#define AMDGPU_RLCG_WRONG_OPERATION_TYPE 0x2000000 +#define AMDGPU_RLCG_REG_NOT_IN_RANGE 0x1000000 + /* all asic after AI use this offset */ #define mmRCC_IOV_FUNC_IDENTIFIER 0xDE5 /* tonga/fiji use this offset */ @@ -281,6 +286,9 @@ struct amdgpu_video_codec_info; (amdgpu_sriov_vf((adev)) && \ ((adev)->virt.reg_access & (AMDGIM_FEATURE_GC_REG_RLC_EN))) +#define amdgpu_sriov_rlcg_error_report_enabled(adev) \ + (amdgpu_sriov_reg_indirect_mmhub(adev) || amdgpu_sriov_reg_indirect_gc(adev)) + #define amdgpu_passthrough(adev) \ ((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE) @@ -299,7 +307,6 @@ static inline bool is_virtual_machine(void) ((!amdgpu_in_reset(adev)) && adev->virt.tdr_debug) #define amdgpu_sriov_is_normal(adev) \ ((!amdgpu_in_reset(adev)) && (!adev->virt.tdr_debug)) - bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev); void amdgpu_virt_init_setting(struct amdgpu_device *adev); void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev, @@ -329,4 +336,9 @@ void amdgpu_virt_update_sriov_video_codec(struct amdgpu_device *adev, struct amdgpu_video_codec_info *decode, uint32_t decode_array_size); bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev, u32 acc_flags, u32 hwip, bool write, u32 *rlcg_flag); +void amdgpu_sriov_wreg(struct amdgpu_device *adev, + u32 offset, u32 value, + u32 acc_flags, u32 hwip); +u32 amdgpu_sriov_rreg(struct amdgpu_device *adev, + u32 offset, u32 acc_flags, u32 hwip); #endif |