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 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 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