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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (C) 2017 Etnaviv Project4 */5 6#ifndef __ETNAVIV_CMDBUF_H__7#define __ETNAVIV_CMDBUF_H__8 9#include <linux/types.h>10 11struct device;12struct etnaviv_iommu_context;13struct etnaviv_vram_mapping;14struct etnaviv_cmdbuf_suballoc;15struct etnaviv_perfmon_request;16 17struct etnaviv_cmdbuf {18 /* suballocator this cmdbuf is allocated from */19 struct etnaviv_cmdbuf_suballoc *suballoc;20 /* cmdbuf properties */21 int suballoc_offset;22 void *vaddr;23 u32 size;24 u32 user_size;25};26 27struct etnaviv_cmdbuf_suballoc *28etnaviv_cmdbuf_suballoc_new(struct device *dev);29void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);30int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc,31 struct etnaviv_iommu_context *context,32 struct etnaviv_vram_mapping *mapping,33 u32 memory_base);34void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context,35 struct etnaviv_vram_mapping *mapping);36 37 38int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc,39 struct etnaviv_cmdbuf *cmdbuf, u32 size);40void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);41 42u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf,43 struct etnaviv_vram_mapping *mapping);44dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf);45 46#endif /* __ETNAVIV_CMDBUF_H__ */47