mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 14:15:10 +07:00
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
/*
|
|
* Copyright 2014 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */
|
|
|
|
#ifndef AMDGPU_AMDKFD_H_INCLUDED
|
|
#define AMDGPU_AMDKFD_H_INCLUDED
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/mmu_context.h>
|
|
#include <kgd_kfd_interface.h>
|
|
|
|
struct amdgpu_device;
|
|
|
|
struct kgd_mem {
|
|
struct amdgpu_bo *bo;
|
|
uint64_t gpu_addr;
|
|
void *cpu_ptr;
|
|
};
|
|
|
|
int amdgpu_amdkfd_init(void);
|
|
void amdgpu_amdkfd_fini(void);
|
|
|
|
void amdgpu_amdkfd_suspend(struct amdgpu_device *adev);
|
|
int amdgpu_amdkfd_resume(struct amdgpu_device *adev);
|
|
void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
|
|
const void *ih_ring_entry);
|
|
void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev);
|
|
void amdgpu_amdkfd_device_init(struct amdgpu_device *adev);
|
|
void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev);
|
|
|
|
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void);
|
|
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void);
|
|
|
|
/* Shared API */
|
|
int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
|
|
void **mem_obj, uint64_t *gpu_addr,
|
|
void **cpu_ptr);
|
|
void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
|
|
uint64_t get_vmem_size(struct kgd_dev *kgd);
|
|
uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
|
|
|
|
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
|
|
|
|
#define read_user_wptr(mmptr, wptr, dst) \
|
|
({ \
|
|
bool valid = false; \
|
|
if ((mmptr) && (wptr)) { \
|
|
if ((mmptr) == current->mm) { \
|
|
valid = !get_user((dst), (wptr)); \
|
|
} else if (current->mm == NULL) { \
|
|
use_mm(mmptr); \
|
|
valid = !get_user((dst), (wptr)); \
|
|
unuse_mm(mmptr); \
|
|
} \
|
|
} \
|
|
valid; \
|
|
})
|
|
|
|
#endif /* AMDGPU_AMDKFD_H_INCLUDED */
|