* [PATCH] amdgpu: add interface for reserve/unserve vmid v2
@ 2017-05-03 5:44 Chunming Zhou
[not found] ` <1493790281-30264-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Chunming Zhou @ 2017-05-03 5:44 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Cc: Chunming Zhou, David.Mao-5C7GfCeVMHo
v2: delete unused comments.
Change-Id: If533576eb8a65bd019a3480d6fe2a64f23e3c944
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
---
amdgpu/amdgpu.h | 13 +++++++++++++
amdgpu/amdgpu_cs.c | 28 ++++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 4772006..7afade0 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1626,6 +1626,19 @@ int amdgpu_cs_signal_sem(amdgpu_device_handle dev,
uint32_t ip_instance,
uint32_t ring,
amdgpu_sem_handle sem);
+/**
+ * reserve vmid for this process
+ *
+ * \param dev - [in] Device handle. See #amdgpu_device_initialize()
+ */
+int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev);
+
+/**
+ * unreserve vmid for this process
+ *
+ * \param dev - [in] Device handle. See #amdgpu_device_initialize()
+ */
+int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev);
/**
* wait sem
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 62b595a..7717f4e 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -754,3 +754,31 @@ int amdgpu_cs_destroy_sem(amdgpu_device_handle dev,
return 0;
}
+
+int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev)
+{
+ union drm_amdgpu_vm args;
+ int r;
+
+ if (NULL == dev)
+ return -EINVAL;
+
+ memset(&args, 0, sizeof(args));
+ args.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
+ r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
+ return r;
+}
+
+int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev)
+{
+ union drm_amdgpu_vm args;
+ int r;
+
+ if (NULL == dev)
+ return -EINVAL;
+
+ memset(&args, 0, sizeof(args));
+ args.in.op = AMDGPU_VM_OP_RESERVE_VMID;
+ r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
+ return r;
+}
--
1.9.1
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] amdgpu: add interface for reserve/unserve vmid v2
[not found] ` <1493790281-30264-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
@ 2017-05-03 5:56 ` Zhang, Jerry (Junwei)
0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Jerry (Junwei) @ 2017-05-03 5:56 UTC (permalink / raw)
To: Chunming Zhou, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Cc: David.Mao-5C7GfCeVMHo
On 05/03/2017 01:44 PM, Chunming Zhou wrote:
> v2: delete unused comments.
>
> Change-Id: If533576eb8a65bd019a3480d6fe2a64f23e3c944
> Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
> Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
> ---
> amdgpu/amdgpu.h | 13 +++++++++++++
> amdgpu/amdgpu_cs.c | 28 ++++++++++++++++++++++++++++
> 2 files changed, 41 insertions(+)
>
> diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
> index 4772006..7afade0 100644
> --- a/amdgpu/amdgpu.h
> +++ b/amdgpu/amdgpu.h
> @@ -1626,6 +1626,19 @@ int amdgpu_cs_signal_sem(amdgpu_device_handle dev,
> uint32_t ip_instance,
> uint32_t ring,
> amdgpu_sem_handle sem);
> +/**
> + * reserve vmid for this process
> + *
> + * \param dev - [in] Device handle. See #amdgpu_device_initialize()
> + */
> +int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev);
> +
> +/**
> + * unreserve vmid for this process
> + *
> + * \param dev - [in] Device handle. See #amdgpu_device_initialize()
> + */
> +int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev);
>
> /**
> * wait sem
> diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
> index 62b595a..7717f4e 100644
> --- a/amdgpu/amdgpu_cs.c
> +++ b/amdgpu/amdgpu_cs.c
> @@ -754,3 +754,31 @@ int amdgpu_cs_destroy_sem(amdgpu_device_handle dev,
>
> return 0;
> }
> +
> +int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev)
> +{
> + union drm_amdgpu_vm args;
> + int r;
> +
> + if (NULL == dev)
> + return -EINVAL;
> +
> + memset(&args, 0, sizeof(args));
> + args.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
> + r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
> + return r;
> +}
> +
> +int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev)
> +{
> + union drm_amdgpu_vm args;
> + int r;
> +
> + if (NULL == dev)
> + return -EINVAL;
> +
> + memset(&args, 0, sizeof(args));
> + args.in.op = AMDGPU_VM_OP_RESERVE_VMID;
> + r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
> + return r;
> +}
>
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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2017-05-03 5:44 [PATCH] amdgpu: add interface for reserve/unserve vmid v2 Chunming Zhou
[not found] ` <1493790281-30264-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
2017-05-03 5:56 ` Zhang, Jerry (Junwei)
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