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amdgpu_amdkfd.h revision 1.1 
      1 /*	$NetBSD: amdgpu_amdkfd.h,v 1.1 2018/08/27 01:34:43 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