1 /* $NetBSD: amdgpu_amdkfd.h,v 1.2 2018/08/27 04:58:19 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 /* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */ 26 27 #ifndef AMDGPU_AMDKFD_H_INCLUDED 28 #define AMDGPU_AMDKFD_H_INCLUDED 29 30 #include <linux/types.h> 31 #include <kgd_kfd_interface.h> 32 33 struct amdgpu_device; 34 35 struct kgd_mem { 36 struct amdgpu_bo *bo; 37 uint64_t gpu_addr; 38 void *cpu_ptr; 39 }; 40 41 bool amdgpu_amdkfd_init(void); 42 void amdgpu_amdkfd_fini(void); 43 44 bool amdgpu_amdkfd_load_interface(struct amdgpu_device *rdev); 45 46 void amdgpu_amdkfd_suspend(struct amdgpu_device *rdev); 47 int amdgpu_amdkfd_resume(struct amdgpu_device *rdev); 48 void amdgpu_amdkfd_interrupt(struct amdgpu_device *rdev, 49 const void *ih_ring_entry); 50 void amdgpu_amdkfd_device_probe(struct amdgpu_device *rdev); 51 void amdgpu_amdkfd_device_init(struct amdgpu_device *rdev); 52 void amdgpu_amdkfd_device_fini(struct amdgpu_device *rdev); 53 54 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); 55 struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); 56 57 /* Shared API */ 58 int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, 59 void **mem_obj, uint64_t *gpu_addr, 60 void **cpu_ptr); 61 void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj); 62 uint64_t get_vmem_size(struct kgd_dev *kgd); 63 uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); 64 65 uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); 66 67 #endif /* AMDGPU_AMDKFD_H_INCLUDED */ 68