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