| /* | |
| * 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__ | |
| #include <linux/types.h> | |
| #include <linux/hmm.h> | |
| #include <linux/rwsem.h> | |
| #include <linux/workqueue.h> | |
| #include <linux/interval_tree.h> | |
| #if defined(CONFIG_HMM_MIRROR) | |
| int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr); | |
| void amdgpu_mn_unregister(struct amdgpu_bo *bo); | |
| #else | |
| static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr) | |
| { | |
| DRM_WARN_ONCE("HMM_MIRROR kernel config option is not enabled, " | |
| "add CONFIG_ZONE_DEVICE=y in config file to fix this\n"); | |
| return -ENODEV; | |
| } | |
| static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {} | |
| #endif | |
| #endif |