rpcsx/kernel/cellos/include/cellos/sys_io.h

#pragma once

#include "Emu/Cell/ErrorCodes.h"
#include "Emu/Memory/vm_ptr.h"

struct lv2_io_buf {
  static const u32 id_base = 0x44000000;
  static const u32 id_step = 1;
  static const u32 id_count = 2048;
  SAVESTATE_INIT_POS(41);

  const u32 block_count;
  const u32 block_size;
  const u32 blocks;
  const u32 unk1;

  lv2_io_buf(u32 block_count, u32 block_size, u32 blocks, u32 unk1)
      : block_count(block_count), block_size(block_size), blocks(blocks),
        unk1(unk1) {}
};

// SysCalls

error_code sys_io_buffer_create(u32 block_count, u32 block_size, u32 blocks,
                                u32 unk1, vm::ptr<u32> handle);
error_code sys_io_buffer_destroy(u32 handle);
error_code sys_io_buffer_allocate(u32 handle, vm::ptr<u32> block);
error_code sys_io_buffer_free(u32 handle, u32 block);