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 */ 28 struct 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 */ 41 struct amdgpu_debugfs_regs2_data { 42 struct amdgpu_device *adev; 43 struct mutex lock; 44 struct amdgpu_debugfs_regs2_iocdata id; 45 }; 46 47 enum 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