Replace SIGUSR1 in io-thread with eventfd()
[qemu-kvm/fedora.git] / qemu-char.h
blob29de03df58cff305b53cc63efa6b5b0cae12ab1c
1 #ifndef QEMU_CHAR_H
2 #define QEMU_CHAR_H
4 /* character device */
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 */
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;
19 #define CHR_IOCTL_SERIAL_SET_BREAK 2
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
31 typedef void IOEventHandler(void *opaque, int event);
33 struct CharDriverState {
34 int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);
35 void (*chr_update_read_handler)(struct CharDriverState *s);
36 int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
37 IOEventHandler *chr_event;
38 IOCanRWHandler *chr_can_read;
39 IOReadHandler *chr_read;
40 void *handler_opaque;
41 void (*chr_send_event)(struct CharDriverState *chr, int event);
42 void (*chr_close)(struct CharDriverState *chr);
43 void (*chr_accept_input)(struct CharDriverState *chr);
44 void *opaque;
45 int focus;
46 QEMUBH *bh;
49 CharDriverState *qemu_chr_open(const char *filename);
50 void qemu_chr_close(CharDriverState *chr);
51 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
52 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
53 void qemu_chr_send_event(CharDriverState *s, int event);
54 void qemu_chr_add_handlers(CharDriverState *s,
55 IOCanRWHandler *fd_can_read,
56 IOReadHandler *fd_read,
57 IOEventHandler *fd_event,
58 void *opaque);
59 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
60 void qemu_chr_reset(CharDriverState *s);
61 int qemu_chr_can_read(CharDriverState *s);
62 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
63 void qemu_chr_accept_input(CharDriverState *s);
65 /* async I/O support */
67 int qemu_set_fd_handler2(int fd,
68 IOCanRWHandler *fd_read_poll,
69 IOHandler *fd_read,
70 IOHandler *fd_write,
71 void *opaque);
72 int qemu_set_fd_handler(int fd,
73 IOHandler *fd_read,
74 IOHandler *fd_write,
75 void *opaque);
77 #endif