File:  [Qemu by Fabrice Bellard] / qemu / qemu-char.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:50:28 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu0100, HEAD
qemu 0.10.0

    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
   13: typedef 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: 
   43: typedef void IOEventHandler(void *opaque, int event);
   44: 
   45: struct 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: 
   65: CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s));
   66: void qemu_chr_close(CharDriverState *chr);
   67: void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
   68: int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
   69: void qemu_chr_send_event(CharDriverState *s, int event);
   70: void qemu_chr_add_handlers(CharDriverState *s,
   71:                            IOCanRWHandler *fd_can_read,
   72:                            IOReadHandler *fd_read,
   73:                            IOEventHandler *fd_event,
   74:                            void *opaque);
   75: int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
   76: void qemu_chr_reset(CharDriverState *s);
   77: int qemu_chr_can_read(CharDriverState *s);
   78: void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
   79: void qemu_chr_accept_input(CharDriverState *s);
   80: void qemu_chr_info(void);
   81: 
   82: extern int term_escape_char;
   83: 
   84: /* async I/O support */
   85: 
   86: int qemu_set_fd_handler2(int fd,
   87:                          IOCanRWHandler *fd_read_poll,
   88:                          IOHandler *fd_read,
   89:                          IOHandler *fd_write,
   90:                          void *opaque);
   91: int qemu_set_fd_handler(int fd,
   92:                         IOHandler *fd_read,
   93:                         IOHandler *fd_write,
   94:                         void *opaque);
   95: 
   96: #endif

unix.superglobalmegacorp.com