/**
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#define KGSL_MEMFLAGS_USE_CPU_MAP 0x10000000ULL
#define KGSL_MEMFLAGS_GPUREADONLY 0x01000000U
#define KGSL_IOC_TYPE 0x09
#define KGSL_MEMTYPE_COMMAND 16

enum kgsl_user_mem_type {
  KGSL_USER_MEM_TYPE_PMEM = 0x00000000,
  KGSL_USER_MEM_TYPE_ASHMEM = 0x00000001,
  KGSL_USER_MEM_TYPE_ADDR = 0x00000002,
  KGSL_USER_MEM_TYPE_ION = 0x00000003,
  KGSL_USER_MEM_TYPE_DMABUF = 0x00000003,
  KGSL_USER_MEM_TYPE_MAX = 0x00000007,
};

struct kgsl_drawctxt_create {
  unsigned int flags;
  unsigned int drawctxt_id;
};

#define IOCTL_KGSL_DRAWCTXT_CREATE \
  _IOWR(KGSL_IOC_TYPE, 0x13, struct kgsl_drawctxt_create)

struct kgsl_map_user_mem {
  int fd;
  unsigned long gpuaddr;
  size_t len;
  size_t offset;
  unsigned long hostptr;
  enum kgsl_user_mem_type memtype;
  unsigned int flags;
};

#define IOCTL_KGSL_MAP_USER_MEM \
  _IOWR(KGSL_IOC_TYPE, 0x15, struct kgsl_map_user_mem)

struct kgsl_sharedmem_free {
  unsigned long gpuaddr;
};

#define IOCTL_KGSL_SHAREDMEM_FREE \
  _IOW(KGSL_IOC_TYPE, 0x21, struct kgsl_sharedmem_free)

struct kgsl_gpumem_alloc {
  unsigned long gpuaddr;
  size_t size;
  unsigned int flags;
};

#define IOCTL_KGSL_GPUMEM_ALLOC \
  _IOWR(KGSL_IOC_TYPE, 0x2f, struct kgsl_gpumem_alloc)

struct kgsl_gpumem_alloc_id {
  unsigned int id;
  unsigned int flags;
  size_t size;
  size_t mmapsize;
  unsigned long gpuaddr;
  unsigned long __pad[2];
};

#define IOCTL_KGSL_GPUMEM_ALLOC_ID \
  _IOWR(KGSL_IOC_TYPE, 0x34, struct kgsl_gpumem_alloc_id)

struct kgsl_gpumem_get_info {
  unsigned long gpuaddr;
  unsigned int id;
  unsigned int flags;
  size_t size;
  size_t mmapsize;
  unsigned long useraddr;
  unsigned long __pad[4];
};

#define IOCTL_KGSL_GPUMEM_GET_INFO \
  _IOWR(KGSL_IOC_TYPE, 0x36, struct kgsl_gpumem_get_info)