Home | History | Annotate | Line # | Download | only in amdgpu
      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