drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2017 Etnaviv Project
   4  */
   5
   6 #ifndef __ETNAVIV_CMDBUF_H__
   7 #define __ETNAVIV_CMDBUF_H__
   8
   9 #include <linux/types.h>
  10
  11 struct etnaviv_gpu;
  12 struct etnaviv_cmdbuf_suballoc;
  13 struct etnaviv_perfmon_request;
  14
  15 struct etnaviv_cmdbuf {
  16         /* suballocator this cmdbuf is allocated from */
  17         struct etnaviv_cmdbuf_suballoc *suballoc;
  18         /* cmdbuf properties */
  19         int suballoc_offset;
  20         void *vaddr;
  21         u32 size;
  22         u32 user_size;
  23 };
  24
  25 struct etnaviv_cmdbuf_suballoc *
  26 etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu);
  27 void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
  28
  29
  30 int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc,
  31                 struct etnaviv_cmdbuf *cmdbuf, u32 size);
  32 void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
  33
  34 u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf);
  35 dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf);
  36
  37 #endif /* __ETNAVIV_CMDBUF_H__ */