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      1  1.1  riastrad /*	$NetBSD: nouveau_dmem.h,v 1.2 2021/12/18 23:45:32 riastradh Exp $	*/
      2  1.1  riastrad 
      3  1.1  riastrad /*
      4  1.1  riastrad  * Copyright 2018 Red Hat 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 #ifndef __NOUVEAU_DMEM_H__
     25  1.1  riastrad #define __NOUVEAU_DMEM_H__
     26  1.1  riastrad #include <nvif/os.h>
     27  1.1  riastrad struct drm_device;
     28  1.1  riastrad struct drm_file;
     29  1.1  riastrad struct nouveau_drm;
     30  1.1  riastrad struct hmm_range;
     31  1.1  riastrad 
     32  1.1  riastrad #if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)
     33  1.1  riastrad void nouveau_dmem_init(struct nouveau_drm *);
     34  1.1  riastrad void nouveau_dmem_fini(struct nouveau_drm *);
     35  1.1  riastrad void nouveau_dmem_suspend(struct nouveau_drm *);
     36  1.1  riastrad void nouveau_dmem_resume(struct nouveau_drm *);
     37  1.1  riastrad 
     38  1.1  riastrad int nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
     39  1.1  riastrad 			     struct vm_area_struct *vma,
     40  1.1  riastrad 			     unsigned long start,
     41  1.1  riastrad 			     unsigned long end);
     42  1.1  riastrad 
     43  1.1  riastrad void nouveau_dmem_convert_pfn(struct nouveau_drm *drm,
     44  1.1  riastrad 			      struct hmm_range *range);
     45  1.1  riastrad #else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
     46  1.1  riastrad static inline void nouveau_dmem_init(struct nouveau_drm *drm) {}
     47  1.1  riastrad static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {}
     48  1.1  riastrad static inline void nouveau_dmem_suspend(struct nouveau_drm *drm) {}
     49  1.1  riastrad static inline void nouveau_dmem_resume(struct nouveau_drm *drm) {}
     50  1.1  riastrad #endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
     51  1.1  riastrad #endif
     52