[PATCH] drm/amd/amdgpu: Update PF2VF Header

[Deucher, Alexander]

[AMD Official Use Only - General]

Acked-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Luqmaan Irshad <Luqmaan.Irshad at amd.com>
Sent: Tuesday, April 2, 2024 6:01 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Irshad, Luqmaan <Luqmaan.Irshad at amd.com>
Subject: [PATCH] drm/amd/amdgpu: Update PF2VF Header

Adding a new field for GPU Capacity to align the header with the host.

Signed-off-by: Luqmaan Irshad <Luqmaan.Irshad at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
index 0de78d6a83fe..fb2b394bb9c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
@@ -158,7 +158,7 @@ struct amd_sriov_msg_pf2vf_info_header {
         uint32_t reserved[2];
 };

-#define AMD_SRIOV_MSG_PF2VF_INFO_FILLED_SIZE (48)
+#define AMD_SRIOV_MSG_PF2VF_INFO_FILLED_SIZE (49)
 struct amd_sriov_msg_pf2vf_info {
         /* header contains size and version */
         struct amd_sriov_msg_pf2vf_info_header header;
@@ -209,6 +209,8 @@ struct amd_sriov_msg_pf2vf_info {
         struct amd_sriov_msg_uuid_info uuid_info;
         /* PCIE atomic ops support flag */
         uint32_t pcie_atomic_ops_support_flags;
+       /* Portion of GPU memory occupied by VF.  MAX value is 65535, but set to uint32_t to maintain alignment with reserved size */
+       uint32_t gpu_capacity;
         /* reserved */
         uint32_t reserved[256 - AMD_SRIOV_MSG_PF2VF_INFO_FILLED_SIZE];
 };
--
2.44.0

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