[PATCH] amdgpu: add vm ioctl support

[zhoucm1]

This is drm patch for dedicated vmid.
Kernel patch has pushed to staging, anyone could have a quick review on 
this? Jerry? Guess Christian is in dream at current time.

Regards,
David Zhou

On 2017年04月28日 10:38, Chunming Zhou wrote:
> Change-Id: I3c1ea377dad8f6d64a992b071a6ec36a1143e416
> Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
> ---
>   include/drm/amdgpu_drm.h | 22 ++++++++++++++++++++++
>   1 file changed, 22 insertions(+)
>
> diff --git a/include/drm/amdgpu_drm.h b/include/drm/amdgpu_drm.h
> index 26d02ba..28cda3a 100644
> --- a/include/drm/amdgpu_drm.h
> +++ b/include/drm/amdgpu_drm.h
> @@ -47,6 +47,7 @@
>   #define DRM_AMDGPU_GEM_OP		0x10
>   #define DRM_AMDGPU_GEM_USERPTR		0x11
>   #define DRM_AMDGPU_WAIT_FENCES		0x12
> +#define DRM_AMDGPU_VM			0x13
>   /* hybrid specific ioctls */
>   #define DRM_AMDGPU_SEM                  0x5b
>   #define DRM_AMDGPU_GEM_DGMA		0x5c
> @@ -66,6 +67,7 @@
>   #define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
>   #define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
>   #define DRM_IOCTL_AMDGPU_WAIT_FENCES	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_FENCES, union drm_amdgpu_wait_fences)
> +#define DRM_IOCTL_AMDGPU_VM		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_VM, union drm_amdgpu_vm)
>   /* hybrid specific ioctls */
>   #define DRM_IOCTL_AMDGPU_GEM_DGMA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_DGMA, struct drm_amdgpu_gem_dgma)
>   #define DRM_IOCTL_AMDGPU_FREESYNC	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FREESYNC, struct drm_amdgpu_freesync)
> @@ -201,6 +203,26 @@ union drm_amdgpu_ctx {
>   	union drm_amdgpu_ctx_out out;
>   };
>   
> +/* vm ioctl */
> +#define AMDGPU_VM_OP_RESERVE_VMID	1
> +#define AMDGPU_VM_OP_UNRESERVE_VMID	2
> +
> +struct drm_amdgpu_vm_in {
> +	/** AMDGPU_VM_OP_* */
> +	__u32	op;
> +	__u32	flags;
> +};
> +
> +struct drm_amdgpu_vm_out {
> +	/** For future use, no flags defined so far */
> +	__u64	flags;
> +};
> +
> +union drm_amdgpu_vm {
> +	struct drm_amdgpu_vm_in in;
> +	struct drm_amdgpu_vm_out out;
> +};
> +
>   /* sync file related */
>   #define AMDGPU_SEM_OP_CREATE_SEM       1
>   #define AMDGPU_SEM_OP_WAIT_SEM         2