1 /* 2 * Copyright 2014 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 /* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */ 24 25 #ifndef AMDGPU_AMDKFD_H_INCLUDED 26 #define AMDGPU_AMDKFD_H_INCLUDED 27 28 #include <linux/types.h> 29 #include <kgd_kfd_interface.h> 30 31 struct amdgpu_device; 32 33 struct kgd_mem { 34 struct amdgpu_bo *bo; 35 uint64_t gpu_addr; 36 void *cpu_ptr; 37 }; 38 39 bool amdgpu_amdkfd_init(void); 40 void amdgpu_amdkfd_fini(void); 41 42 bool amdgpu_amdkfd_load_interface(struct amdgpu_device *rdev); 43 44 void amdgpu_amdkfd_suspend(struct amdgpu_device *rdev); 45 int amdgpu_amdkfd_resume(struct amdgpu_device *rdev); 46 void amdgpu_amdkfd_interrupt(struct amdgpu_device *rdev, 47 const void *ih_ring_entry); 48 void amdgpu_amdkfd_device_probe(struct amdgpu_device *rdev); 49 void amdgpu_amdkfd_device_init(struct amdgpu_device *rdev); 50 void amdgpu_amdkfd_device_fini(struct amdgpu_device *rdev); 51 52 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); 53 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); 54 55 /* Shared API */ 56 int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, 57 void **mem_obj, uint64_t *gpu_addr, 58 void **cpu_ptr); 59 void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj); 60 uint64_t get_vmem_size(struct kgd_dev *kgd); 61 uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); 62 63 uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); 64 65 #endif /* AMDGPU_AMDKFD_H_INCLUDED */ 66