1 /* 2 * Copyright (C) 2017 Etnaviv Project 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 as published by 6 * the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef __ETNAVIV_CMDBUF_H__ 18 #define __ETNAVIV_CMDBUF_H__ 19 20 #include <linux/types.h> 21 22 struct etnaviv_gpu; 23 struct etnaviv_cmdbuf_suballoc; 24 25 struct etnaviv_cmdbuf { 26 /* suballocator this cmdbuf is allocated from */ 27 struct etnaviv_cmdbuf_suballoc *suballoc; 28 /* user context key, must be unique between all active users */ 29 struct etnaviv_file_private *ctx; 30 /* cmdbuf properties */ 31 int suballoc_offset; 32 void *vaddr; 33 u32 size; 34 u32 user_size; 35 /* fence after which this buffer is to be disposed */ 36 struct dma_fence *fence; 37 /* target exec state */ 38 u32 exec_state; 39 /* per GPU in-flight list */ 40 struct list_head node; 41 /* BOs attached to this command buffer */ 42 unsigned int nr_bos; 43 struct etnaviv_vram_mapping *bo_map[0]; 44 }; 45 46 struct etnaviv_cmdbuf_suballoc * 47 etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu); 48 void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc); 49 50 struct etnaviv_cmdbuf * 51 etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size, 52 size_t nr_bos); 53 void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf); 54 55 u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf); 56 dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf); 57 58 #endif /* __ETNAVIV_CMDBUF_H__ */ 59