IABSD.fr/xenocara/lib/libdrm/amdgpu/amdgpu_vm.c

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• Author : jsg
  Date : 2018-11-01 08:22:36
  Hash : 38495421
  Message : Import libdrm 2.4.96

• lib/libdrm/amdgpu/amdgpu_vm.c

• /*
   * Copyright 2017 Advanced Micro Devices, Inc.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  
  #include "amdgpu.h"
  #include "amdgpu_drm.h"
  #include "xf86drm.h"
  #include "amdgpu_internal.h"
  
  drm_public int amdgpu_vm_reserve_vmid(amdgpu_device_handle dev, uint32_t flags)
  {
  	union drm_amdgpu_vm vm;
  
  	vm.in.op = AMDGPU_VM_OP_RESERVE_VMID;
  	vm.in.flags = flags;
  
  	return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
  				   &vm, sizeof(vm));
  }
  
  drm_public int amdgpu_vm_unreserve_vmid(amdgpu_device_handle dev,
  					uint32_t flags)
  {
  	union drm_amdgpu_vm vm;
  
  	vm.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
  	vm.in.flags = flags;
  
  	return drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM,
  				   &vm, sizeof(vm));
  }