tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
22struct etnaviv_gpu;
23struct etnaviv_cmdbuf_suballoc;
24
25struct 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
46struct etnaviv_cmdbuf_suballoc *
47etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu);
48void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
49
50struct etnaviv_cmdbuf *
51etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size,
52 size_t nr_bos);
53void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
54
55u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf);
56dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf);
57
58#endif /* __ETNAVIV_CMDBUF_H__ */