Statistics
| Branch: | Revision:

root / qemu-char.h @ a76bab49

History | View | Annotate | Download (2.9 kB)

1
#ifndef QEMU_CHAR_H
2
#define QEMU_CHAR_H
3

    
4
/* character device */
5

    
6
#define CHR_EVENT_BREAK 0 /* serial break char */
7
#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */
8
#define CHR_EVENT_RESET 2 /* new connection established */
9

    
10

    
11
#define CHR_IOCTL_SERIAL_SET_PARAMS   1
12
typedef struct {
13
    int speed;
14
    int parity;
15
    int data_bits;
16
    int stop_bits;
17
} QEMUSerialSetParams;
18

    
19
#define CHR_IOCTL_SERIAL_SET_BREAK    2
20

    
21
#define CHR_IOCTL_PP_READ_DATA        3
22
#define CHR_IOCTL_PP_WRITE_DATA       4
23
#define CHR_IOCTL_PP_READ_CONTROL     5
24
#define CHR_IOCTL_PP_WRITE_CONTROL    6
25
#define CHR_IOCTL_PP_READ_STATUS      7
26
#define CHR_IOCTL_PP_EPP_READ_ADDR    8
27
#define CHR_IOCTL_PP_EPP_READ         9
28
#define CHR_IOCTL_PP_EPP_WRITE_ADDR  10
29
#define CHR_IOCTL_PP_EPP_WRITE       11
30
#define CHR_IOCTL_PP_DATA_DIR        12
31

    
32
#define CHR_IOCTL_SERIAL_SET_TIOCM   13
33
#define CHR_IOCTL_SERIAL_GET_TIOCM   14
34

    
35
#define CHR_TIOCM_CTS        0x020
36
#define CHR_TIOCM_CAR        0x040
37
#define CHR_TIOCM_DSR        0x100
38
#define CHR_TIOCM_RI        0x080
39
#define CHR_TIOCM_DTR        0x002
40
#define CHR_TIOCM_RTS        0x004
41

    
42
typedef void IOEventHandler(void *opaque, int event);
43

    
44
struct CharDriverState {
45
    int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);
46
    void (*chr_update_read_handler)(struct CharDriverState *s);
47
    int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
48
    IOEventHandler *chr_event;
49
    IOCanRWHandler *chr_can_read;
50
    IOReadHandler *chr_read;
51
    void *handler_opaque;
52
    void (*chr_send_event)(struct CharDriverState *chr, int event);
53
    void (*chr_close)(struct CharDriverState *chr);
54
    void (*chr_accept_input)(struct CharDriverState *chr);
55
    void *opaque;
56
    int focus;
57
    QEMUBH *bh;
58
};
59

    
60
CharDriverState *qemu_chr_open(const char *filename);
61
void qemu_chr_close(CharDriverState *chr);
62
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
63
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
64
void qemu_chr_send_event(CharDriverState *s, int event);
65
void qemu_chr_add_handlers(CharDriverState *s,
66
                           IOCanRWHandler *fd_can_read,
67
                           IOReadHandler *fd_read,
68
                           IOEventHandler *fd_event,
69
                           void *opaque);
70
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
71
void qemu_chr_reset(CharDriverState *s);
72
int qemu_chr_can_read(CharDriverState *s);
73
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
74
void qemu_chr_accept_input(CharDriverState *s);
75

    
76
/* async I/O support */
77

    
78
int qemu_set_fd_handler2(int fd,
79
                         IOCanRWHandler *fd_read_poll,
80
                         IOHandler *fd_read,
81
                         IOHandler *fd_write,
82
                         void *opaque);
83
int qemu_set_fd_handler(int fd,
84
                        IOHandler *fd_read,
85
                        IOHandler *fd_write,
86
                        void *opaque);
87

    
88
#endif