1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24 #include "amdgpu.h"
25 #include "amdgpu_drm.h"
26 #include "xf86drm.h"
27 #include "amdgpu_internal.h"
28
amdgpu_vm_reserve_vmid(amdgpu_device_handle dev,uint32_t flags)29 int amdgpu_vm_reserve_vmid(amdgpu_device_handle dev, uint32_t flags)
30 {
31 union drm_amdgpu_vm vm;
32
33 vm.in.op = AMDGPU_VM_OP_RESERVE_VMID;
34 vm.in.flags = flags;
35
36 return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
37 &vm, sizeof(vm));
38 }
39
amdgpu_vm_unreserve_vmid(amdgpu_device_handle dev,uint32_t flags)40 int amdgpu_vm_unreserve_vmid(amdgpu_device_handle dev, uint32_t flags)
41 {
42 union drm_amdgpu_vm vm;
43
44 vm.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
45 vm.in.flags = flags;
46
47 return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
48 &vm, sizeof(vm));
49 }
50