| /* |
| * 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 |
