1130e0371SOded Gabbay /* 2130e0371SOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 3130e0371SOded Gabbay * 4130e0371SOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 5130e0371SOded Gabbay * copy of this software and associated documentation files (the "Software"), 6130e0371SOded Gabbay * to deal in the Software without restriction, including without limitation 7130e0371SOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8130e0371SOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 9130e0371SOded Gabbay * Software is furnished to do so, subject to the following conditions: 10130e0371SOded Gabbay * 11130e0371SOded Gabbay * The above copyright notice and this permission notice shall be included in 12130e0371SOded Gabbay * all copies or substantial portions of the Software. 13130e0371SOded Gabbay * 14130e0371SOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15130e0371SOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16130e0371SOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17130e0371SOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18130e0371SOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19130e0371SOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20130e0371SOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 21130e0371SOded Gabbay */ 22130e0371SOded Gabbay 23130e0371SOded Gabbay /* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */ 24130e0371SOded Gabbay 25130e0371SOded Gabbay #ifndef AMDGPU_AMDKFD_H_INCLUDED 26130e0371SOded Gabbay #define AMDGPU_AMDKFD_H_INCLUDED 27130e0371SOded Gabbay 28130e0371SOded Gabbay #include <linux/types.h> 2970539bd7SFelix Kuehling #include <linux/mmu_context.h> 30130e0371SOded Gabbay #include <kgd_kfd_interface.h> 31130e0371SOded Gabbay 32130e0371SOded Gabbay struct amdgpu_device; 33130e0371SOded Gabbay 34130e0371SOded Gabbay struct kgd_mem { 35130e0371SOded Gabbay struct amdgpu_bo *bo; 36130e0371SOded Gabbay uint64_t gpu_addr; 37130e0371SOded Gabbay void *cpu_ptr; 38130e0371SOded Gabbay }; 39130e0371SOded Gabbay 40efb1c658SOded Gabbay int amdgpu_amdkfd_init(void); 41130e0371SOded Gabbay void amdgpu_amdkfd_fini(void); 42130e0371SOded Gabbay 43dc102c43SAndres Rodriguez void amdgpu_amdkfd_suspend(struct amdgpu_device *adev); 44dc102c43SAndres Rodriguez int amdgpu_amdkfd_resume(struct amdgpu_device *adev); 45dc102c43SAndres Rodriguez void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, 46130e0371SOded Gabbay const void *ih_ring_entry); 47dc102c43SAndres Rodriguez void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev); 48dc102c43SAndres Rodriguez void amdgpu_amdkfd_device_init(struct amdgpu_device *adev); 49dc102c43SAndres Rodriguez void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev); 50130e0371SOded Gabbay 51130e0371SOded Gabbay struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); 52ff758a12SBen Goz struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); 53130e0371SOded Gabbay 54130e0371SOded Gabbay /* Shared API */ 55130e0371SOded Gabbay int alloc_gtt_mem(struct kgd_dev *kgd, size_t size, 56130e0371SOded Gabbay void **mem_obj, uint64_t *gpu_addr, 57130e0371SOded Gabbay void **cpu_ptr); 58130e0371SOded Gabbay void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj); 59130e0371SOded Gabbay uint64_t get_vmem_size(struct kgd_dev *kgd); 60*30f1c042SHarish Kasiviswanathan void get_local_mem_info(struct kgd_dev *kgd, 61*30f1c042SHarish Kasiviswanathan struct kfd_local_mem_info *mem_info); 62130e0371SOded Gabbay uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); 63130e0371SOded Gabbay 64130e0371SOded Gabbay uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); 65ebdebf42SFlora Cui void get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info); 66130e0371SOded Gabbay 6770539bd7SFelix Kuehling #define read_user_wptr(mmptr, wptr, dst) \ 6870539bd7SFelix Kuehling ({ \ 6970539bd7SFelix Kuehling bool valid = false; \ 7070539bd7SFelix Kuehling if ((mmptr) && (wptr)) { \ 7170539bd7SFelix Kuehling if ((mmptr) == current->mm) { \ 7270539bd7SFelix Kuehling valid = !get_user((dst), (wptr)); \ 7370539bd7SFelix Kuehling } else if (current->mm == NULL) { \ 7470539bd7SFelix Kuehling use_mm(mmptr); \ 7570539bd7SFelix Kuehling valid = !get_user((dst), (wptr)); \ 7670539bd7SFelix Kuehling unuse_mm(mmptr); \ 7770539bd7SFelix Kuehling } \ 7870539bd7SFelix Kuehling } \ 7970539bd7SFelix Kuehling valid; \ 8070539bd7SFelix Kuehling }) 8170539bd7SFelix Kuehling 82130e0371SOded Gabbay #endif /* AMDGPU_AMDKFD_H_INCLUDED */ 83