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