* [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
@ 2019-04-30 8:30 Trigger Huang
[not found] ` <1556613013-8586-1-git-send-email-Trigger.Huang-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Trigger Huang @ 2019-04-30 8:30 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Trigger.Huang-5C7GfCeVMHo
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>
---
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 3 +++
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index 8dbad49..2471e7c 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 39d151b..077e91a 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
};
--
2.7.4
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 3+ messages in thread
* RE: [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
[not found] ` <1556613013-8586-1-git-send-email-Trigger.Huang-5C7GfCeVMHo@public.gmane.org>
@ 2019-05-01 14:35 ` Huang, Trigger
2019-05-01 19:08 ` Deucher, Alexander
1 sibling, 0 replies; 3+ messages in thread
From: Huang, Trigger @ 2019-05-01 14:35 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Hi Guys,
Would you help on this patch?
Thanks & Best Wishes,
Trigger Huang
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> On Behalf Of Trigger Huang
Sent: Tuesday, April 30, 2019 4:30 PM
To: amd-gfx@lists.freedesktop.org
Cc: Huang, Trigger <Trigger.Huang@amd.com>
Subject: [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
[CAUTION: External Email]
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>
---
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 3 +++ drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index 8dbad49..2471e7c 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 39d151b..077e91a 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
};
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
[not found] ` <1556613013-8586-1-git-send-email-Trigger.Huang-5C7GfCeVMHo@public.gmane.org>
2019-05-01 14:35 ` Huang, Trigger
@ 2019-05-01 19:08 ` Deucher, Alexander
1 sibling, 0 replies; 3+ messages in thread
From: Deucher, Alexander @ 2019-05-01 19:08 UTC (permalink / raw)
To: Huang, Trigger, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
[-- Attachment #1.1: Type: text/plain, Size: 2242 bytes --]
Acked-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
________________________________
From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Trigger Huang <Trigger.Huang-5C7GfCeVMHo@public.gmane.org>
Sent: Tuesday, April 30, 2019 4:30 AM
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Huang, Trigger
Subject: [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV
[CAUTION: External Email]
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-5C7GfCeVMHo@public.gmane.org>
---
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 3 +++
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index 8dbad49..2471e7c 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 39d151b..077e91a 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
};
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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_______________________________________________
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2019-04-30 8:30 [PATCH] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV Trigger Huang
[not found] ` <1556613013-8586-1-git-send-email-Trigger.Huang-5C7GfCeVMHo@public.gmane.org>
2019-05-01 14:35 ` Huang, Trigger
2019-05-01 19:08 ` Deucher, Alexander
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