drm/amdgpu: Update headers for sriov xgmi ext peer link support feature flag

Adds new sriov msg flag to match host, feature flag in the amdgim
enum, and a wrapper macro to check it.

Signed-off-by: Will Aitken <wiaitken@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Will Aitken

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h

@@ -150,6 +150,7 @@ enum AMDGIM_FEATURE_FLAG {
 	AMDGIM_FEATURE_RAS_CAPS = (1 << 9),
 	AMDGIM_FEATURE_RAS_TELEMETRY = (1 << 10),
 	AMDGIM_FEATURE_RAS_CPER = (1 << 11),
+	AMDGIM_FEATURE_XGMI_TA_EXT_PEER_LINK = (1 << 12),
 };
 
 enum AMDGIM_REG_ACCESS_FLAG {
@@ -395,6 +396,9 @@ struct amdgpu_video_codec_info;
 #define amdgpu_sriov_ras_cper_en(adev) \
 ((adev)->virt.gim_feature & AMDGIM_FEATURE_RAS_CPER)
 
+#define amdgpu_sriov_xgmi_ta_ext_peer_link_en(adev) \
+((adev)->virt.gim_feature & AMDGIM_FEATURE_XGMI_TA_EXT_PEER_LINK)
+
 static inline bool is_virtual_machine(void)
 {
 #if defined(CONFIG_X86)

drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h

@@ -160,7 +160,8 @@ union amd_sriov_msg_feature_flags {
 		uint32_t ras_caps		: 1;
 		uint32_t ras_telemetry		: 1;
 		uint32_t ras_cper		: 1;
-		uint32_t reserved		: 20;
+		uint32_t xgmi_ta_ext_peer_link	: 1;
+		uint32_t reserved		: 19;
 	} flags;
 	uint32_t all;
 };