forked from Minki/linux
70539bd795
Various bug fixes and improvements that accumulated over the last two years. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */
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#ifndef AMDGPU_AMDKFD_H_INCLUDED
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#define AMDGPU_AMDKFD_H_INCLUDED
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#include <linux/types.h>
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#include <linux/mmu_context.h>
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#include <kgd_kfd_interface.h>
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struct amdgpu_device;
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struct kgd_mem {
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struct amdgpu_bo *bo;
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uint64_t gpu_addr;
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void *cpu_ptr;
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};
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int amdgpu_amdkfd_init(void);
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void amdgpu_amdkfd_fini(void);
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void amdgpu_amdkfd_suspend(struct amdgpu_device *adev);
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int amdgpu_amdkfd_resume(struct amdgpu_device *adev);
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void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
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const void *ih_ring_entry);
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void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev);
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void amdgpu_amdkfd_device_init(struct amdgpu_device *adev);
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void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev);
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struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void);
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struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void);
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/* Shared API */
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int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
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void **mem_obj, uint64_t *gpu_addr,
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void **cpu_ptr);
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void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
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uint64_t get_vmem_size(struct kgd_dev *kgd);
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uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
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uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
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#define read_user_wptr(mmptr, wptr, dst) \
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({ \
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bool valid = false; \
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if ((mmptr) && (wptr)) { \
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if ((mmptr) == current->mm) { \
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valid = !get_user((dst), (wptr)); \
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} else if (current->mm == NULL) { \
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use_mm(mmptr); \
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valid = !get_user((dst), (wptr)); \
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unuse_mm(mmptr); \
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} \
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} \
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valid; \
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})
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#endif /* AMDGPU_AMDKFD_H_INCLUDED */
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