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From: <will.aitken@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: <victor.skvortsov@amd.com>, <lijo.lazar@amd.com>,
	Will Aitken <wiaitken@amd.com>
Subject: [PATCH 2/3] drm/amdgpu: Update headers for sriov xgmi ext peer link support feature flag
Date: Wed, 8 Oct 2025 13:32:24 +0000	[thread overview]
Message-ID: <20251008133225.1238028-2-will.aitken@amd.com> (raw)
In-Reply-To: <20251008133225.1238028-1-will.aitken@amd.com>

From: Will Aitken <wiaitken@amd.com>

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>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h    | 4 ++++
 drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index d1172c8e58c4..73b7ead88aa3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -144,6 +144,7 @@ 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 {
@@ -378,6 +379,9 @@ 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)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
index 3a79ed7d8031..652d809bba06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
@@ -102,7 +102,8 @@ 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;
 };
-- 
2.43.0


  reply	other threads:[~2025-10-08 13:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-08 13:32 [PATCH 1/3] drm/amdgpu: Refactor sriov xgmi topology filling to common code will.aitken
2025-10-08 13:32 ` will.aitken [this message]
2025-10-08 13:32 ` [PATCH 3/3] drm/amdgpu: Enable xgmi extended peer links for sriov guest will.aitken
2025-10-28 13:16 ` [PATCH 1/3] drm/amdgpu: Refactor sriov xgmi topology filling to common code Lazar, Lijo
     [not found]   ` <MW4PR12MB71918A5EFF20C239743AC346F1FAA@MW4PR12MB7191.namprd12.prod.outlook.com>
2025-11-03 20:24     ` Aitken, Will
2025-11-06 16:27       ` Lazar, Lijo

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