60 lines
2 KiB
C
Executable file
60 lines
2 KiB
C
Executable file
/*
|
|
* Copyright 2017 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.
|
|
*
|
|
* Authors: Christian König
|
|
*/
|
|
#ifndef __AMDGPU_MN_H__
|
|
#define __AMDGPU_MN_H__
|
|
|
|
/*
|
|
* MMU Notifier
|
|
*/
|
|
struct amdgpu_mn;
|
|
|
|
enum amdgpu_mn_type {
|
|
AMDGPU_MN_TYPE_GFX,
|
|
AMDGPU_MN_TYPE_HSA,
|
|
};
|
|
|
|
#if defined(CONFIG_MMU_NOTIFIER)
|
|
void amdgpu_mn_lock(struct amdgpu_mn *mn);
|
|
void amdgpu_mn_unlock(struct amdgpu_mn *mn);
|
|
struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev,
|
|
enum amdgpu_mn_type type);
|
|
int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
|
|
void amdgpu_mn_unregister(struct amdgpu_bo *bo);
|
|
#else
|
|
static inline void amdgpu_mn_lock(struct amdgpu_mn *mn) {}
|
|
static inline void amdgpu_mn_unlock(struct amdgpu_mn *mn) {}
|
|
static inline struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev,
|
|
enum amdgpu_mn_type type)
|
|
{
|
|
return NULL;
|
|
}
|
|
static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
|
|
#endif
|
|
|
|
#endif
|