LXR linux/drivers/gpu/drm/lima/lima

   1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */
   3
   4#ifndef __LIMA_DUMP_H__
   5#define __LIMA_DUMP_H__
   6
   7#include <linux/types.h>
   8
   9/**
  10 * dump file format for all the information to start a lima task
  11 *
  12 * top level format
  13 * | magic code "LIMA" | format version | num tasks | data size |
  14 * | reserved | reserved | reserved | reserved |
  15 * | task 1 ID | task 1 size | num chunks | reserved | task 1 data |
  16 * | task 2 ID | task 2 size | num chunks | reserved | task 2 data |
  17 * ...
  18 *
  19 * task data format
  20 * | chunk 1 ID | chunk 1 size | reserved | reserved | chunk 1 data |
  21 * | chunk 2 ID | chunk 2 size | reserved | reserved | chunk 2 data |
  22 * ...
  23 *
  24 */
  25
  26#define LIMA_DUMP_MAJOR 1
  27#define LIMA_DUMP_MINOR 0
  28
  29#define LIMA_DUMP_MAGIC 0x414d494c
  30
  31struct lima_dump_head {
  32        __u32 magic;
  33        __u16 version_major;
  34        __u16 version_minor;
  35        __u32 num_tasks;
  36        __u32 size;
  37        __u32 reserved[4];
  38};
  39
  40#define LIMA_DUMP_TASK_GP   0
  41#define LIMA_DUMP_TASK_PP   1
  42#define LIMA_DUMP_TASK_NUM  2
  43
  44struct lima_dump_task {
  45        __u32 id;
  46        __u32 size;
  47        __u32 num_chunks;
  48        __u32 reserved;
  49};
  50
  51#define LIMA_DUMP_CHUNK_FRAME         0
  52#define LIMA_DUMP_CHUNK_BUFFER        1
  53#define LIMA_DUMP_CHUNK_PROCESS_NAME  2
  54#define LIMA_DUMP_CHUNK_PROCESS_ID    3
  55#define LIMA_DUMP_CHUNK_NUM           4
  56
  57struct lima_dump_chunk {
  58        __u32 id;
  59        __u32 size;
  60        __u32 reserved[2];
  61};
  62
  63struct lima_dump_chunk_buffer {
  64        __u32 id;
  65        __u32 size;
  66        __u32 va;
  67        __u32 reserved;
  68};
  69
  70struct lima_dump_chunk_pid {
  71        __u32 id;
  72        __u32 size;
  73        __u32 pid;
  74        __u32 reserved;
  75};
  76
  77#endif
  78