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_device *dev, 34 struct drm_gem_object *gobj, 35 int flags); 36 struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev, 37 struct dma_buf *dma_buf); 38 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *); 39 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj); 40 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); 41 int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, 42 struct vm_area_struct *vma); 43 44 extern const struct dma_buf_ops amdgpu_dmabuf_ops; 45 46 #endif 47