types.h

/*
 * Copyright (C) 2018-2019 Kernkonzept GmbH.
 * Author(s): Sarah Hoffmann <sarah.hoffmann@kernkonzept.com>
 *
 * This file is distributed under the terms of the GNU General Public
 * License, version 2.  Please see the COPYING-GPL-2 file for details.
 */
#pragma once
 
#include <functional>
 
#include <l4/cxx/unique_ptr>
#include <l4/re/dma_space>
#include <l4/l4virtio/server/l4virtio>
 
namespace Block_device {
 
enum Inout_flags
  {
    Inout_f_wb = 1,     
    Inout_f_unmap = 2,  
  };
 
enum Shutdown_type
{
  Running = 0,
  //  client had crashed.
  Client_gone,
  Client_shutdown,
  System_shutdown,
  System_suspend
};
 
struct Dma_region_info
{
  virtual ~Dma_region_info() = default;
};
 
struct Mem_region_info
{
  cxx::unique_ptr<Dma_region_info> dma_info;
};
 
using Mem_region =
  L4virtio::Svr::Driver_mem_region_t<Mem_region_info>;
 
struct Inout_block
{
  L4Re::Dma_space::Dma_addr dma_addr = 0;
  void *virt_addr = nullptr;
  l4_uint64_t sector = 0;
  l4_uint32_t num_sectors = 0;
  l4_uint32_t flags = 0;
  cxx::unique_ptr<Inout_block> next;
};
 
typedef std::function<void(int, l4_size_t)> Inout_callback;
 
} // name space