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| author | Trigger Huang <Trigger.Huang@amd.com> | 2019-04-30 16:23:29 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-06 09:36:48 -0500 |
| commit | b6818520edb0dc83d8de807cb40dff44995eab86 (patch) | |
| tree | 4cf2a9bccb9433a56e6d5897f329c6ce4affb654 /drivers/gpu/drm | |
| parent | 3680624e32412ced54f5659431c35b26e3e83923 (diff) | |
| download | linux-b6818520edb0dc83d8de807cb40dff44995eab86.tar.bz2 | |
drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
SR-IOV host side will send IDH_QUERY_ALIVE to guest VM to check
if this guest VM is still alive (not destroyed). The only thing
guest KMD need to do is to send ACK back to host.
Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c index 8dbad496b29f..2471e7cf75ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c @@ -372,6 +372,9 @@ static int xgpu_ai_mailbox_rcv_irq(struct amdgpu_device *adev, if (amdgpu_sriov_runtime(adev)) schedule_work(&adev->virt.flr_work); break; + case IDH_QUERY_ALIVE: + xgpu_ai_mailbox_send_ack(adev); + break; /* READY_TO_ACCESS_GPU is fetched by kernel polling, IRQ can ignore * it byfar since that polling thread will handle it, * other msg like flr complete is not handled here. diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h index 39d151b79153..077e91a33d62 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h @@ -49,6 +49,7 @@ enum idh_event { IDH_FLR_NOTIFICATION_CMPL, IDH_SUCCESS, IDH_FAIL, + IDH_QUERY_ALIVE, IDH_EVENT_MAX }; |