1 /* 2 * Copyright (C) 2011-2017 ARM Limited. All rights reserved. 3 * 4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2 5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. 6 * 7 * A copy of the licence is included with the program, and can also be obtained from Free Software 8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 9 */ 10 11 #ifndef __MALI_MEMORY_DMA_BUF_H__ 12 #define __MALI_MEMORY_DMA_BUF_H__ 13 14 #ifdef __cplusplus 15 extern "C" { 16 #endif 17 18 #include "mali_uk_types.h" 19 #include "mali_osk.h" 20 #include "mali_memory.h" 21 22 struct mali_pp_job; 23 24 struct mali_dma_buf_attachment; 25 struct mali_dma_buf_attachment { 26 struct dma_buf *buf; 27 struct dma_buf_attachment *attachment; 28 struct sg_table *sgt; 29 struct mali_session_data *session; 30 int map_ref; 31 struct mutex map_lock; 32 mali_bool is_mapped; 33 wait_queue_head_t wait_queue; 34 }; 35 36 int mali_dma_buf_get_size(struct mali_session_data *session, _mali_uk_dma_buf_get_size_s __user *arg); 37 38 void mali_mem_unbind_dma_buf(mali_mem_backend *mem_backend); 39 40 _mali_osk_errcode_t mali_mem_bind_dma_buf(mali_mem_allocation *alloc, 41 mali_mem_backend *mem_backend, 42 int fd, u32 flags); 43 44 #if !defined(CONFIG_MALI_DMA_BUF_MAP_ON_ATTACH) 45 int mali_dma_buf_map_job(struct mali_pp_job *job); 46 void mali_dma_buf_unmap_job(struct mali_pp_job *job); 47 #endif 48 49 #ifdef __cplusplus 50 } 51 #endif 52 53 #endif /* __MALI_MEMORY_DMA_BUF_H__ */ 54