/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2017 Etnaviv Project */ #ifndef __ETNAVIV_CMDBUF_H__ #define __ETNAVIV_CMDBUF_H__ #include <linux/types.h> struct device; struct etnaviv_iommu_context; struct etnaviv_vram_mapping; struct etnaviv_cmdbuf_suballoc; struct etnaviv_perfmon_request; struct etnaviv_cmdbuf { /* suballocator this cmdbuf is allocated from */ struct etnaviv_cmdbuf_suballoc *suballoc; /* cmdbuf properties */ int suballoc_offset; void *vaddr; u32 size; u32 user_size; }; struct etnaviv_cmdbuf_suballoc * etnaviv_cmdbuf_suballoc_new(struct device *dev); void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc); int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc, struct etnaviv_iommu_context *context, struct etnaviv_vram_mapping *mapping, u32 memory_base); void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context, struct etnaviv_vram_mapping *mapping); int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc, struct etnaviv_cmdbuf *cmdbuf, u32 size); void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf); u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf, struct etnaviv_vram_mapping *mapping); dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf); #endif /* __ETNAVIV_CMDBUF_H__ */