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drm/amdgpu: add vm ioctl

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It will be used for reserving vmid for shader debugging
that requires a fixed vmid.

v2: fix warning (Alex)

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou
2017-04-24 11:09:04 +08:00
committed by Alex Deucher
parent 63a7c7487f
commit cfbcacf428
4 changed files with 40 additions and 0 deletions
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22
include/uapi/drm/amdgpu_drm.h
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@@ -51,6 +51,7 @@ extern "C" {
#define DRM_AMDGPU_GEM_OP 0x10
#define DRM_AMDGPU_GEM_USERPTR 0x11
#define DRM_AMDGPU_WAIT_FENCES 0x12
#define DRM_AMDGPU_VM 0x13
#define DRM_IOCTL_AMDGPU_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
#define DRM_IOCTL_AMDGPU_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
@@ -65,6 +66,7 @@ extern "C" {
#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)
#define AMDGPU_GEM_DOMAIN_CPU 0x1
#define AMDGPU_GEM_DOMAIN_GTT 0x2
@@ -190,6 +192,26 @@ 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;
};
/*
* This is not a reliable API and you should expect it to fail for any
* number of reasons and have fallback path that do not use userptr to