LXR linux/drivers/gpu/drm/amd/amdgpu/amdgpu

   1/*
   2 * Copyright 2021 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#include <linux/ioctl.h>
  24
  25/*
  26 * MMIO debugfs IOCTL structure
  27 */
  28struct amdgpu_debugfs_regs2_iocdata {
  29        __u32 use_srbm, use_grbm, pg_lock;
  30        struct {
  31                __u32 se, sh, instance;
  32        } grbm;
  33        struct {
  34                __u32 me, pipe, queue, vmid;
  35        } srbm;
  36};
  37
  38/*
  39 * MMIO debugfs state data (per file* handle)
  40 */
  41struct amdgpu_debugfs_regs2_data {
  42        struct amdgpu_device *adev;
  43        struct mutex lock;
  44        struct amdgpu_debugfs_regs2_iocdata id;
  45};
  46
  47enum AMDGPU_DEBUGFS_REGS2_CMDS {
  48        AMDGPU_DEBUGFS_REGS2_CMD_SET_STATE=0,
  49};
  50
  51#define AMDGPU_DEBUGFS_REGS2_IOC_SET_STATE _IOWR(0x20, AMDGPU_DEBUGFS_REGS2_CMD_SET_STATE, struct amdgpu_debugfs_regs2_iocdata)
  52