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<p style="font-family:Arial;font-size:11pt;color:#0078D7;margin:5pt;" align="Left">
[AMD Official Use Only - Internal Distribution Only]<br>
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<p class="MsoNormal">Any updates on this patch?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best Regards,<o:p></o:p></p>
<p class="MsoNormal">Li, Xin (Justin)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Li, Xin (Justin) <Xin2.Li@amd.com><br>
<b>Date: </b>Tuesday, October 27, 2020 at 14:36<br>
<b>To: </b>amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>, Li, Xin (Justin) <Xin2.Li@amd.com>, Zhou, Tiecheng <Tiecheng.Zhou@amd.com><br>
<b>Subject: </b>[PATCH] drm/amd/amdgpu: Add checksun check for pf2vf message<o:p></o:p></span></p>
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<p style="margin:5.0pt"><span style="font-family:"Arial",sans-serif;color:#0078D7">[AMD Official Use Only - Internal Distribution Only]<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:-webkit-standard;color:black">Add checksum checking for pf2vf message<br>
<br>
Signed-off-by: Li, Xin (Justin) <</span><a href="mailto:Xin2.Li@amd.com"><span style="font-family:-webkit-standard;color:#000064">Xin2.Li@amd.com</span></a><span style="font-family:-webkit-standard;color:black">><br>
Signed-off-by: Zhou, Tiecheng <</span><a href="mailto:Tiecheng.Zhou@amd.com"><span style="font-family:-webkit-standard;color:#000064">Tiecheng.Zhou@amd.com</span></a><span style="font-family:-webkit-standard;color:black">><br>
---<br>
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 5 ++---<br>
1 file changed, 2 insertions(+), 3 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c<br>
index 836d784456e5..bfc74533b5ee 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c<br>
@@ -450,12 +450,11 @@ static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev)<br>
((struct amdgim_pf2vf_info_v1 *)pf2vf_info)->feature_flags;<br>
break;<br>
case 2:<br>
- /* TODO: missing key, need to add it later */<br>
checksum = ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->checksum;<br>
checkval = amd_sriov_msg_checksum(<br>
adev->virt.fw_reserve.p_pf2vf, pf2vf_info->size,<br>
- 0, checksum);<br>
- if (checksum != checkval) {<br>
+ adev->virt.fw_reserve.checksum_key, checksum);<br>
+ if (checksum != 0 && checksum != checkval) {<br>
DRM_ERROR("invalid pf2vf message\n");<br>
return -EINVAL;<br>
}<br>
--<span class="apple-converted-space"> </span><br>
2.24.3 (Apple Git-128)</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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