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drm/amdgpu: VF Query RAS Caps from Host if supported

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If VF RAS Capability support is enabled, guest is able to
retrieve the real RAS support from the host.

Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Skvortsov
2024-10-30 09:58:56 -04:00
committed by Alex Deucher
parent 9928509dfc
commit 907fec2dfd
3 changed files with 65 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
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@@ -137,6 +137,7 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_VCN_RB_DECOUPLE = (1 << 7),
/* MES info */
AMDGIM_FEATURE_MES_INFO_ENABLE = (1 << 8),
AMDGIM_FEATURE_RAS_CAPS = (1 << 9),
};
enum AMDGIM_REG_ACCESS_FLAG {
@@ -277,6 +278,8 @@ struct amdgpu_virt {
uint32_t autoload_ucode_id;
struct mutex rlcg_reg_lock;
union amd_sriov_ras_caps ras_en_caps;
};
struct amdgpu_video_codec_info;
@@ -321,6 +324,9 @@ struct amdgpu_video_codec_info;
#define amdgpu_sriov_vf_mmio_access_protection(adev) \
((adev)->virt.caps & AMDGPU_VF_MMIO_ACCESS_PROTECT)
#define amdgpu_sriov_ras_caps_en(adev) \
((adev)->virt.gim_feature & AMDGIM_FEATURE_RAS_CAPS)
static inline bool is_virtual_machine(void)
{
#if defined(CONFIG_X86)
@@ -384,4 +390,5 @@ bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev,
u32 acc_flags, u32 hwip,
bool write, u32 *rlcg_flag);
u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v, u32 flag, u32 xcc_id);
bool amdgpu_virt_get_ras_capability(struct amdgpu_device *adev);
#endif