include/chardev/char-win.h

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #ifndef CHAR_WIN_H
  25 #define CHAR_WIN_H
  26
  27 #include "chardev/char.h"
  28 #include "qom/object.h"
  29
  30 struct WinChardev {
  31     Chardev parent;
  32
  33     bool keep_open; /* console do not close file */
  34     HANDLE file, hrecv, hsend;
  35     OVERLAPPED orecv;
  36     BOOL fpipe;
  37
  38     /* Protected by the Chardev chr_write_lock.  */
  39     OVERLAPPED osend;
  40 };
  41 typedef struct WinChardev WinChardev;
  42
  43 #define NSENDBUF 2048
  44 #define NRECVBUF 2048
  45
  46 #define TYPE_CHARDEV_WIN "chardev-win"
  47 DECLARE_INSTANCE_CHECKER(WinChardev, WIN_CHARDEV,
  48                          TYPE_CHARDEV_WIN)
  49
  50 void win_chr_set_file(Chardev *chr, HANDLE file, bool keep_open);
  51 int win_chr_serial_init(Chardev *chr, const char *filename, Error **errp);
  52 int win_chr_pipe_poll(void *opaque);
  53
  54 #endif /* CHAR_WIN_H */