LXR qemu/qemu-char.h

   1#ifndef QEMU_CHAR_H
   2#define QEMU_CHAR_H
   3
   4#include "sys-queue.h"
   5/* character device */
   6
   7#define CHR_EVENT_BREAK 0 /* serial break char */
   8#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */
   9#define CHR_EVENT_RESET 2 /* new connection established */
  10
  11
  12#define CHR_IOCTL_SERIAL_SET_PARAMS   1
  13typedef struct {
  14    int speed;
  15    int parity;
  16    int data_bits;
  17    int stop_bits;
  18} QEMUSerialSetParams;
  19
  20#define CHR_IOCTL_SERIAL_SET_BREAK    2
  21
  22#define CHR_IOCTL_PP_READ_DATA        3
  23#define CHR_IOCTL_PP_WRITE_DATA       4
  24#define CHR_IOCTL_PP_READ_CONTROL     5
  25#define CHR_IOCTL_PP_WRITE_CONTROL    6
  26#define CHR_IOCTL_PP_READ_STATUS      7
  27#define CHR_IOCTL_PP_EPP_READ_ADDR    8
  28#define CHR_IOCTL_PP_EPP_READ         9
  29#define CHR_IOCTL_PP_EPP_WRITE_ADDR  10
  30#define CHR_IOCTL_PP_EPP_WRITE       11
  31#define CHR_IOCTL_PP_DATA_DIR        12
  32
  33#define CHR_IOCTL_SERIAL_SET_TIOCM   13
  34#define CHR_IOCTL_SERIAL_GET_TIOCM   14
  35
  36#define CHR_TIOCM_CTS   0x020
  37#define CHR_TIOCM_CAR   0x040
  38#define CHR_TIOCM_DSR   0x100
  39#define CHR_TIOCM_RI    0x080
  40#define CHR_TIOCM_DTR   0x002
  41#define CHR_TIOCM_RTS   0x004
  42
  43typedef void IOEventHandler(void *opaque, int event);
  44
  45struct CharDriverState {
  46    void (*init)(struct CharDriverState *s);
  47    int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);
  48    void (*chr_update_read_handler)(struct CharDriverState *s);
  49    int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
  50    IOEventHandler *chr_event;
  51    IOCanRWHandler *chr_can_read;
  52    IOReadHandler *chr_read;
  53    void *handler_opaque;
  54    void (*chr_send_event)(struct CharDriverState *chr, int event);
  55    void (*chr_close)(struct CharDriverState *chr);
  56    void (*chr_accept_input)(struct CharDriverState *chr);
  57    void *opaque;
  58    int focus;
  59    QEMUBH *bh;
  60    char *label;
  61    char *filename;
  62    TAILQ_ENTRY(CharDriverState) next;
  63};
  64
  65CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s));
  66void qemu_chr_close(CharDriverState *chr);
  67void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
  68int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
  69void qemu_chr_send_event(CharDriverState *s, int event);
  70void qemu_chr_add_handlers(CharDriverState *s,
  71                           IOCanRWHandler *fd_can_read,
  72                           IOReadHandler *fd_read,
  73                           IOEventHandler *fd_event,
  74                           void *opaque);
  75int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
  76void qemu_chr_reset(CharDriverState *s);
  77int qemu_chr_can_read(CharDriverState *s);
  78void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
  79void qemu_chr_accept_input(CharDriverState *s);
  80void qemu_chr_info(void);
  81
  82extern int term_escape_char;
  83
  84/* async I/O support */
  85
  86int qemu_set_fd_handler2(int fd,
  87                         IOCanRWHandler *fd_read_poll,
  88                         IOHandler *fd_read,
  89                         IOHandler *fd_write,
  90                         void *opaque);
  91int qemu_set_fd_handler(int fd,
  92                        IOHandler *fd_read,
  93                        IOHandler *fd_write,
  94                        void *opaque);
  95
  96#endif
  97