xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_dma_buf.h (revision 1322238644b9fdd2aa672cfb49a63030588ee5ec)
1 /*	$NetBSD: amdgpu_dma_buf.h,v 1.4 2021/12/19 12:01:48 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2019 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  */
25 #ifndef __AMDGPU_DMA_BUF_H__
26 #define __AMDGPU_DMA_BUF_H__
27 
28 #include <drm/drm_gem.h>
29 
30 struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj,
31 					int flags);
32 struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
33 					    struct dma_buf *dma_buf);
34 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
35 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
36 #ifdef __NetBSD__
37 int amdgpu_gem_prime_mmap(struct drm_gem_object *, off_t *, size_t, int,
38     int *, int *, struct uvm_object **, int *);
39 #else
40 int amdgpu_gem_prime_mmap(struct drm_gem_object *obj,
41 			  struct vm_area_struct *vma);
42 #endif
43 
44 extern const struct dma_buf_ops amdgpu_dmabuf_ops;
45 
46 #endif
47