47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2017 Etnaviv Project
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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 device;
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struct etnaviv_iommu_context;
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struct etnaviv_vram_mapping;
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struct etnaviv_cmdbuf_suballoc;
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struct etnaviv_perfmon_request;
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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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/* 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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};
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struct etnaviv_cmdbuf_suballoc *
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etnaviv_cmdbuf_suballoc_new(struct device *dev);
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void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
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int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc,
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struct etnaviv_iommu_context *context,
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struct etnaviv_vram_mapping *mapping,
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u32 memory_base);
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void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context,
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struct etnaviv_vram_mapping *mapping);
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int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc,
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struct etnaviv_cmdbuf *cmdbuf, u32 size);
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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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struct etnaviv_vram_mapping *mapping);
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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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