linux-sg2042/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h

59 lines
1.8 KiB
C

/*
* Copyright (C) 2017 Etnaviv Project
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ETNAVIV_CMDBUF_H__
#define __ETNAVIV_CMDBUF_H__
#include <linux/types.h>
struct etnaviv_gpu;
struct etnaviv_cmdbuf_suballoc;
struct etnaviv_cmdbuf {
/* suballocator this cmdbuf is allocated from */
struct etnaviv_cmdbuf_suballoc *suballoc;
/* user context key, must be unique between all active users */
struct etnaviv_file_private *ctx;
/* cmdbuf properties */
int suballoc_offset;
void *vaddr;
u32 size;
u32 user_size;
/* fence after which this buffer is to be disposed */
struct dma_fence *fence;
/* target exec state */
u32 exec_state;
/* per GPU in-flight list */
struct list_head node;
/* BOs attached to this command buffer */
unsigned int nr_bos;
struct etnaviv_vram_mapping *bo_map[0];
};
struct etnaviv_cmdbuf_suballoc *
etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu);
void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
struct etnaviv_cmdbuf *
etnaviv_cmdbuf_new(struct etnaviv_cmdbuf_suballoc *suballoc, u32 size,
size_t nr_bos);
void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf);
dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf);
#endif /* __ETNAVIV_CMDBUF_H__ */