Statistics
| Branch: | Revision:

root / qemu-char.h @ a8a358bf

History | View | Annotate | Download (3.5 kB)

1
#ifndef QEMU_CHAR_H
2
#define QEMU_CHAR_H
3

    
4
#include "qemu-common.h"
5
#include "sys-queue.h"
6

    
7
/* character device */
8

    
9
#define CHR_EVENT_BREAK   0 /* serial break char */
10
#define CHR_EVENT_FOCUS   1 /* focus to this terminal (modal input needed) */
11
#define CHR_EVENT_RESET   2 /* new connection established */
12
#define CHR_EVENT_MUX_IN  3 /* mux-focus was set to this terminal */
13
#define CHR_EVENT_MUX_OUT 4 /* mux-focus will move on */
14
#define CHR_EVENT_CLOSED  5 /* connection closed */
15

    
16

    
17
#define CHR_IOCTL_SERIAL_SET_PARAMS   1
18
typedef struct {
19
    int speed;
20
    int parity;
21
    int data_bits;
22
    int stop_bits;
23
} QEMUSerialSetParams;
24

    
25
#define CHR_IOCTL_SERIAL_SET_BREAK    2
26

    
27
#define CHR_IOCTL_PP_READ_DATA        3
28
#define CHR_IOCTL_PP_WRITE_DATA       4
29
#define CHR_IOCTL_PP_READ_CONTROL     5
30
#define CHR_IOCTL_PP_WRITE_CONTROL    6
31
#define CHR_IOCTL_PP_READ_STATUS      7
32
#define CHR_IOCTL_PP_EPP_READ_ADDR    8
33
#define CHR_IOCTL_PP_EPP_READ         9
34
#define CHR_IOCTL_PP_EPP_WRITE_ADDR  10
35
#define CHR_IOCTL_PP_EPP_WRITE       11
36
#define CHR_IOCTL_PP_DATA_DIR        12
37

    
38
#define CHR_IOCTL_SERIAL_SET_TIOCM   13
39
#define CHR_IOCTL_SERIAL_GET_TIOCM   14
40

    
41
#define CHR_TIOCM_CTS        0x020
42
#define CHR_TIOCM_CAR        0x040
43
#define CHR_TIOCM_DSR        0x100
44
#define CHR_TIOCM_RI        0x080
45
#define CHR_TIOCM_DTR        0x002
46
#define CHR_TIOCM_RTS        0x004
47

    
48
typedef void IOEventHandler(void *opaque, int event);
49

    
50
struct CharDriverState {
51
    void (*init)(struct CharDriverState *s);
52
    int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);
53
    void (*chr_update_read_handler)(struct CharDriverState *s);
54
    int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
55
    int (*get_msgfd)(struct CharDriverState *s);
56
    IOEventHandler *chr_event;
57
    IOCanRWHandler *chr_can_read;
58
    IOReadHandler *chr_read;
59
    void *handler_opaque;
60
    void (*chr_send_event)(struct CharDriverState *chr, int event);
61
    void (*chr_close)(struct CharDriverState *chr);
62
    void (*chr_accept_input)(struct CharDriverState *chr);
63
    void *opaque;
64
    int focus;
65
    QEMUBH *bh;
66
    char *label;
67
    char *filename;
68
    TAILQ_ENTRY(CharDriverState) next;
69
};
70

    
71
CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s));
72
void qemu_chr_close(CharDriverState *chr);
73
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
74
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
75
void qemu_chr_send_event(CharDriverState *s, int event);
76
void qemu_chr_add_handlers(CharDriverState *s,
77
                           IOCanRWHandler *fd_can_read,
78
                           IOReadHandler *fd_read,
79
                           IOEventHandler *fd_event,
80
                           void *opaque);
81
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
82
void qemu_chr_reset(CharDriverState *s);
83
void qemu_chr_initial_reset(void);
84
int qemu_chr_can_read(CharDriverState *s);
85
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
86
int qemu_chr_get_msgfd(CharDriverState *s);
87
void qemu_chr_accept_input(CharDriverState *s);
88
void qemu_chr_info(Monitor *mon);
89

    
90
extern int term_escape_char;
91

    
92
/* async I/O support */
93

    
94
int qemu_set_fd_handler2(int fd,
95
                         IOCanRWHandler *fd_read_poll,
96
                         IOHandler *fd_read,
97
                         IOHandler *fd_write,
98
                         void *opaque);
99
int qemu_set_fd_handler(int fd,
100
                        IOHandler *fd_read,
101
                        IOHandler *fd_write,
102
                        void *opaque);
103

    
104
#endif