amd/amdgpu/amdgpu_gfxhub.h

0001 /*
0002  * Copyright 2020 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  */
0023 #ifndef __AMDGPU_GFXHUB_H__
0024 #define __AMDGPU_GFXHUB_H__
0025
0026 struct amdgpu_gfxhub_funcs {
0027     u64 (*get_fb_location)(struct amdgpu_device *adev);
0028     u64 (*get_mc_fb_offset)(struct amdgpu_device *adev);
0029     void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid,
0030             uint64_t page_table_base);
0031     int (*gart_enable)(struct amdgpu_device *adev);
0032
0033     void (*gart_disable)(struct amdgpu_device *adev);
0034     void (*set_fault_enable_default)(struct amdgpu_device *adev, bool value);
0035     void (*init)(struct amdgpu_device *adev);
0036     int (*get_xgmi_info)(struct amdgpu_device *adev);
0037     void (*utcl2_harvest)(struct amdgpu_device *adev);
0038 };
0039
0040 struct amdgpu_gfxhub {
0041     const struct amdgpu_gfxhub_funcs *funcs;
0042 };
0043
0044 #endif