1 1.1 riastrad /* $NetBSD: amdgpu_mn.h,v 1.2 2021/12/18 23:44:58 riastradh Exp $ */ 2 1.1 riastrad 3 1.1 riastrad /* 4 1.1 riastrad * Copyright 2017 Advanced Micro Devices, Inc. 5 1.1 riastrad * 6 1.1 riastrad * Permission is hereby granted, free of charge, to any person obtaining a 7 1.1 riastrad * copy of this software and associated documentation files (the "Software"), 8 1.1 riastrad * to deal in the Software without restriction, including without limitation 9 1.1 riastrad * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 1.1 riastrad * and/or sell copies of the Software, and to permit persons to whom the 11 1.1 riastrad * Software is furnished to do so, subject to the following conditions: 12 1.1 riastrad * 13 1.1 riastrad * The above copyright notice and this permission notice shall be included in 14 1.1 riastrad * all copies or substantial portions of the Software. 15 1.1 riastrad * 16 1.1 riastrad * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 1.1 riastrad * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 1.1 riastrad * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 1.1 riastrad * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 1.1 riastrad * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 1.1 riastrad * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 1.1 riastrad * OTHER DEALINGS IN THE SOFTWARE. 23 1.1 riastrad * 24 1.1 riastrad * Authors: Christian Knig 25 1.1 riastrad */ 26 1.1 riastrad #ifndef __AMDGPU_MN_H__ 27 1.1 riastrad #define __AMDGPU_MN_H__ 28 1.1 riastrad 29 1.1 riastrad #include <linux/types.h> 30 1.1 riastrad #include <linux/hmm.h> 31 1.1 riastrad #include <linux/rwsem.h> 32 1.1 riastrad #include <linux/workqueue.h> 33 1.1 riastrad #include <linux/interval_tree.h> 34 1.1 riastrad 35 1.1 riastrad #if defined(CONFIG_HMM_MIRROR) 36 1.1 riastrad int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr); 37 1.1 riastrad void amdgpu_mn_unregister(struct amdgpu_bo *bo); 38 1.1 riastrad #else 39 1.1 riastrad static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr) 40 1.1 riastrad { 41 1.1 riastrad DRM_WARN_ONCE("HMM_MIRROR kernel config option is not enabled, " 42 1.1 riastrad "add CONFIG_ZONE_DEVICE=y in config file to fix this\n"); 43 1.1 riastrad return -ENODEV; 44 1.1 riastrad } 45 1.1 riastrad static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {} 46 1.1 riastrad #endif 47 1.1 riastrad 48 1.1 riastrad #endif 49