4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu-common.h"
28 #include "qemu-timer.h"
29 #include "qemu-char.h"
33 #include "hw/msmouse.h"
44 #include <sys/times.h>
48 #include <sys/ioctl.h>
49 #include <sys/resource.h>
50 #include <sys/socket.h>
51 #include <netinet/in.h>
54 #include <net/if_tap.h>
57 #include <linux/if_tun.h>
59 #include <arpa/inet.h>
62 #include <sys/select.h>
67 #include <dev/ppbus/ppi.h>
68 #include <dev/ppbus/ppbconf.h>
72 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
73 #include <freebsd/stdlib.h>
78 #include <linux/ppdev.h>
79 #include <linux/parport.h>
83 #include <sys/ethernet.h>
84 #include <sys/sockio.h>
85 #include <netinet/arp.h>
86 #include <netinet/in.h>
87 #include <netinet/in_systm.h>
88 #include <netinet/ip.h>
89 #include <netinet/ip_icmp.h> // must come after ip.h
90 #include <netinet/udp.h>
91 #include <netinet/tcp.h>
99 #include "qemu_socket.h"
101 /***********************************************************/
102 /* character device */
104 static TAILQ_HEAD(CharDriverStateHead
, CharDriverState
) chardevs
=
105 TAILQ_HEAD_INITIALIZER(chardevs
);
106 static int initial_reset_issued
;
108 static void qemu_chr_event(CharDriverState
*s
, int event
)
112 s
->chr_event(s
->handler_opaque
, event
);
115 static void qemu_chr_reset_bh(void *opaque
)
117 CharDriverState
*s
= opaque
;
118 qemu_chr_event(s
, CHR_EVENT_RESET
);
119 qemu_bh_delete(s
->bh
);
123 void qemu_chr_reset(CharDriverState
*s
)
125 if (s
->bh
== NULL
&& initial_reset_issued
) {
126 s
->bh
= qemu_bh_new(qemu_chr_reset_bh
, s
);
127 qemu_bh_schedule(s
->bh
);
131 void qemu_chr_initial_reset(void)
133 CharDriverState
*chr
;
135 initial_reset_issued
= 1;
137 TAILQ_FOREACH(chr
, &chardevs
, next
) {
142 int qemu_chr_write(CharDriverState
*s
, const uint8_t *buf
, int len
)
144 return s
->chr_write(s
, buf
, len
);
147 int qemu_chr_ioctl(CharDriverState
*s
, int cmd
, void *arg
)
151 return s
->chr_ioctl(s
, cmd
, arg
);
154 int qemu_chr_can_read(CharDriverState
*s
)
156 if (!s
->chr_can_read
)
158 return s
->chr_can_read(s
->handler_opaque
);
161 void qemu_chr_read(CharDriverState
*s
, uint8_t *buf
, int len
)
163 s
->chr_read(s
->handler_opaque
, buf
, len
);
166 void qemu_chr_accept_input(CharDriverState
*s
)
168 if (s
->chr_accept_input
)
169 s
->chr_accept_input(s
);
172 void qemu_chr_printf(CharDriverState
*s
, const char *fmt
, ...)
177 vsnprintf(buf
, sizeof(buf
), fmt
, ap
);
178 qemu_chr_write(s
, (uint8_t *)buf
, strlen(buf
));
182 void qemu_chr_send_event(CharDriverState
*s
, int event
)
184 if (s
->chr_send_event
)
185 s
->chr_send_event(s
, event
);
188 void qemu_chr_add_handlers(CharDriverState
*s
,
189 IOCanRWHandler
*fd_can_read
,
190 IOReadHandler
*fd_read
,
191 IOEventHandler
*fd_event
,
194 s
->chr_can_read
= fd_can_read
;
195 s
->chr_read
= fd_read
;
196 s
->chr_event
= fd_event
;
197 s
->handler_opaque
= opaque
;
198 if (s
->chr_update_read_handler
)
199 s
->chr_update_read_handler(s
);
202 static int null_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
207 static CharDriverState
*qemu_chr_open_null(void)
209 CharDriverState
*chr
;
211 chr
= qemu_mallocz(sizeof(CharDriverState
));
212 chr
->chr_write
= null_chr_write
;
216 /* MUX driver for serial I/O splitting */
217 static int term_timestamps
;
218 static int64_t term_timestamps_start
;
220 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
221 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
223 IOCanRWHandler
*chr_can_read
[MAX_MUX
];
224 IOReadHandler
*chr_read
[MAX_MUX
];
225 IOEventHandler
*chr_event
[MAX_MUX
];
226 void *ext_opaque
[MAX_MUX
];
227 CharDriverState
*drv
;
231 /* Intermediate input buffer allows to catch escape sequences even if the
232 currently active device is not accepting any input - but only until it
234 unsigned char buffer
[MAX_MUX
][MUX_BUFFER_SIZE
];
240 static int mux_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
242 MuxDriver
*d
= chr
->opaque
;
244 if (!term_timestamps
) {
245 ret
= d
->drv
->chr_write(d
->drv
, buf
, len
);
250 for(i
= 0; i
< len
; i
++) {
251 ret
+= d
->drv
->chr_write(d
->drv
, buf
+i
, 1);
252 if (buf
[i
] == '\n') {
257 ti
= qemu_get_clock(rt_clock
);
258 if (term_timestamps_start
== -1)
259 term_timestamps_start
= ti
;
260 ti
-= term_timestamps_start
;
262 snprintf(buf1
, sizeof(buf1
),
263 "[%02d:%02d:%02d.%03d] ",
268 d
->drv
->chr_write(d
->drv
, (uint8_t *)buf1
, strlen(buf1
));
275 static const char * const mux_help
[] = {
276 "% h print this help\n\r",
277 "% x exit emulator\n\r",
278 "% s save disk data back to file (if -snapshot)\n\r",
279 "% t toggle console timestamps\n\r"
280 "% b send break (magic sysrq)\n\r",
281 "% c switch between console and monitor\n\r",
286 int term_escape_char
= 0x01; /* ctrl-a is used for escape */
287 static void mux_print_help(CharDriverState
*chr
)
290 char ebuf
[15] = "Escape-Char";
291 char cbuf
[50] = "\n\r";
293 if (term_escape_char
> 0 && term_escape_char
< 26) {
294 snprintf(cbuf
, sizeof(cbuf
), "\n\r");
295 snprintf(ebuf
, sizeof(ebuf
), "C-%c", term_escape_char
- 1 + 'a');
297 snprintf(cbuf
, sizeof(cbuf
),
298 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
301 chr
->chr_write(chr
, (uint8_t *)cbuf
, strlen(cbuf
));
302 for (i
= 0; mux_help
[i
] != NULL
; i
++) {
303 for (j
=0; mux_help
[i
][j
] != '\0'; j
++) {
304 if (mux_help
[i
][j
] == '%')
305 chr
->chr_write(chr
, (uint8_t *)ebuf
, strlen(ebuf
));
307 chr
->chr_write(chr
, (uint8_t *)&mux_help
[i
][j
], 1);
312 static int mux_proc_byte(CharDriverState
*chr
, MuxDriver
*d
, int ch
)
314 if (d
->term_got_escape
) {
315 d
->term_got_escape
= 0;
316 if (ch
== term_escape_char
)
325 const char *term
= "QEMU: Terminated\n\r";
326 chr
->chr_write(chr
,(uint8_t *)term
,strlen(term
));
333 for (i
= 0; i
< nb_drives
; i
++) {
334 bdrv_commit(drives_table
[i
].bdrv
);
339 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
342 /* Switch to the next registered device */
344 if (chr
->focus
>= d
->mux_cnt
)
348 term_timestamps
= !term_timestamps
;
349 term_timestamps_start
= -1;
352 } else if (ch
== term_escape_char
) {
353 d
->term_got_escape
= 1;
361 static void mux_chr_accept_input(CharDriverState
*chr
)
364 MuxDriver
*d
= chr
->opaque
;
366 while (d
->prod
[m
] != d
->cons
[m
] &&
367 d
->chr_can_read
[m
] &&
368 d
->chr_can_read
[m
](d
->ext_opaque
[m
])) {
369 d
->chr_read
[m
](d
->ext_opaque
[m
],
370 &d
->buffer
[m
][d
->cons
[m
]++ & MUX_BUFFER_MASK
], 1);
374 static int mux_chr_can_read(void *opaque
)
376 CharDriverState
*chr
= opaque
;
377 MuxDriver
*d
= chr
->opaque
;
380 if ((d
->prod
[m
] - d
->cons
[m
]) < MUX_BUFFER_SIZE
)
382 if (d
->chr_can_read
[m
])
383 return d
->chr_can_read
[m
](d
->ext_opaque
[m
]);
387 static void mux_chr_read(void *opaque
, const uint8_t *buf
, int size
)
389 CharDriverState
*chr
= opaque
;
390 MuxDriver
*d
= chr
->opaque
;
394 mux_chr_accept_input (opaque
);
396 for(i
= 0; i
< size
; i
++)
397 if (mux_proc_byte(chr
, d
, buf
[i
])) {
398 if (d
->prod
[m
] == d
->cons
[m
] &&
399 d
->chr_can_read
[m
] &&
400 d
->chr_can_read
[m
](d
->ext_opaque
[m
]))
401 d
->chr_read
[m
](d
->ext_opaque
[m
], &buf
[i
], 1);
403 d
->buffer
[m
][d
->prod
[m
]++ & MUX_BUFFER_MASK
] = buf
[i
];
407 static void mux_chr_event(void *opaque
, int event
)
409 CharDriverState
*chr
= opaque
;
410 MuxDriver
*d
= chr
->opaque
;
413 /* Send the event to all registered listeners */
414 for (i
= 0; i
< d
->mux_cnt
; i
++)
416 d
->chr_event
[i
](d
->ext_opaque
[i
], event
);
419 static void mux_chr_update_read_handler(CharDriverState
*chr
)
421 MuxDriver
*d
= chr
->opaque
;
423 if (d
->mux_cnt
>= MAX_MUX
) {
424 fprintf(stderr
, "Cannot add I/O handlers, MUX array is full\n");
427 d
->ext_opaque
[d
->mux_cnt
] = chr
->handler_opaque
;
428 d
->chr_can_read
[d
->mux_cnt
] = chr
->chr_can_read
;
429 d
->chr_read
[d
->mux_cnt
] = chr
->chr_read
;
430 d
->chr_event
[d
->mux_cnt
] = chr
->chr_event
;
431 /* Fix up the real driver with mux routines */
432 if (d
->mux_cnt
== 0) {
433 qemu_chr_add_handlers(d
->drv
, mux_chr_can_read
, mux_chr_read
,
436 chr
->focus
= d
->mux_cnt
;
440 static CharDriverState
*qemu_chr_open_mux(CharDriverState
*drv
)
442 CharDriverState
*chr
;
445 chr
= qemu_mallocz(sizeof(CharDriverState
));
446 d
= qemu_mallocz(sizeof(MuxDriver
));
451 chr
->chr_write
= mux_chr_write
;
452 chr
->chr_update_read_handler
= mux_chr_update_read_handler
;
453 chr
->chr_accept_input
= mux_chr_accept_input
;
459 int send_all(int fd
, const void *buf
, int len1
)
465 ret
= send(fd
, buf
, len
, 0);
467 errno
= WSAGetLastError();
468 if (errno
!= WSAEWOULDBLOCK
) {
471 } else if (ret
== 0) {
483 static int unix_write(int fd
, const uint8_t *buf
, int len1
)
489 ret
= write(fd
, buf
, len
);
491 if (errno
!= EINTR
&& errno
!= EAGAIN
)
493 } else if (ret
== 0) {
503 int send_all(int fd
, const void *buf
, int len1
)
505 return unix_write(fd
, buf
, len1
);
516 #define STDIO_MAX_CLIENTS 1
517 static int stdio_nb_clients
= 0;
519 static int fd_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
521 FDCharDriver
*s
= chr
->opaque
;
522 return send_all(s
->fd_out
, buf
, len
);
525 static int fd_chr_read_poll(void *opaque
)
527 CharDriverState
*chr
= opaque
;
528 FDCharDriver
*s
= chr
->opaque
;
530 s
->max_size
= qemu_chr_can_read(chr
);
534 static void fd_chr_read(void *opaque
)
536 CharDriverState
*chr
= opaque
;
537 FDCharDriver
*s
= chr
->opaque
;
542 if (len
> s
->max_size
)
546 size
= read(s
->fd_in
, buf
, len
);
548 /* FD has been closed. Remove it from the active list. */
549 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
553 qemu_chr_read(chr
, buf
, size
);
557 static void fd_chr_update_read_handler(CharDriverState
*chr
)
559 FDCharDriver
*s
= chr
->opaque
;
562 if (nographic
&& s
->fd_in
== 0) {
564 qemu_set_fd_handler2(s
->fd_in
, fd_chr_read_poll
,
565 fd_chr_read
, NULL
, chr
);
570 static void fd_chr_close(struct CharDriverState
*chr
)
572 FDCharDriver
*s
= chr
->opaque
;
575 if (nographic
&& s
->fd_in
== 0) {
577 qemu_set_fd_handler2(s
->fd_in
, NULL
, NULL
, NULL
, NULL
);
584 /* open a character device to a unix fd */
585 static CharDriverState
*qemu_chr_open_fd(int fd_in
, int fd_out
)
587 CharDriverState
*chr
;
590 chr
= qemu_mallocz(sizeof(CharDriverState
));
591 s
= qemu_mallocz(sizeof(FDCharDriver
));
595 chr
->chr_write
= fd_chr_write
;
596 chr
->chr_update_read_handler
= fd_chr_update_read_handler
;
597 chr
->chr_close
= fd_chr_close
;
604 static CharDriverState
*qemu_chr_open_file_out(const char *file_out
)
608 TFR(fd_out
= open(file_out
, O_WRONLY
| O_TRUNC
| O_CREAT
| O_BINARY
, 0666));
611 return qemu_chr_open_fd(-1, fd_out
);
614 static CharDriverState
*qemu_chr_open_pipe(const char *filename
)
617 char filename_in
[256], filename_out
[256];
619 snprintf(filename_in
, 256, "%s.in", filename
);
620 snprintf(filename_out
, 256, "%s.out", filename
);
621 TFR(fd_in
= open(filename_in
, O_RDWR
| O_BINARY
));
622 TFR(fd_out
= open(filename_out
, O_RDWR
| O_BINARY
));
623 if (fd_in
< 0 || fd_out
< 0) {
628 TFR(fd_in
= fd_out
= open(filename
, O_RDWR
| O_BINARY
));
632 return qemu_chr_open_fd(fd_in
, fd_out
);
636 /* for STDIO, we handle the case where several clients use it
639 #define TERM_FIFO_MAX_SIZE 1
641 static uint8_t term_fifo
[TERM_FIFO_MAX_SIZE
];
642 static int term_fifo_size
;
644 static int stdio_read_poll(void *opaque
)
646 CharDriverState
*chr
= opaque
;
648 /* try to flush the queue if needed */
649 if (term_fifo_size
!= 0 && qemu_chr_can_read(chr
) > 0) {
650 qemu_chr_read(chr
, term_fifo
, 1);
653 /* see if we can absorb more chars */
654 if (term_fifo_size
== 0)
660 static void stdio_read(void *opaque
)
664 CharDriverState
*chr
= opaque
;
666 size
= read(0, buf
, 1);
668 /* stdin has been closed. Remove it from the active list. */
669 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
673 if (qemu_chr_can_read(chr
) > 0) {
674 qemu_chr_read(chr
, buf
, 1);
675 } else if (term_fifo_size
== 0) {
676 term_fifo
[term_fifo_size
++] = buf
[0];
681 /* init terminal so that we can grab keys */
682 static struct termios oldtty
;
683 static int old_fd0_flags
;
684 static int term_atexit_done
;
686 static void term_exit(void)
688 tcsetattr (0, TCSANOW
, &oldtty
);
689 fcntl(0, F_SETFL
, old_fd0_flags
);
692 static void term_init(void)
698 old_fd0_flags
= fcntl(0, F_GETFL
);
700 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
701 |INLCR
|IGNCR
|ICRNL
|IXON
);
702 tty
.c_oflag
|= OPOST
;
703 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
704 /* if graphical mode, we allow Ctrl-C handling */
706 tty
.c_lflag
&= ~ISIG
;
707 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
712 tcsetattr (0, TCSANOW
, &tty
);
714 if (!term_atexit_done
++)
717 fcntl(0, F_SETFL
, O_NONBLOCK
);
720 static void qemu_chr_close_stdio(struct CharDriverState
*chr
)
724 qemu_set_fd_handler2(0, NULL
, NULL
, NULL
, NULL
);
728 static CharDriverState
*qemu_chr_open_stdio(void)
730 CharDriverState
*chr
;
732 if (stdio_nb_clients
>= STDIO_MAX_CLIENTS
)
734 chr
= qemu_chr_open_fd(0, 1);
735 chr
->chr_close
= qemu_chr_close_stdio
;
736 qemu_set_fd_handler2(0, stdio_read_poll
, stdio_read
, NULL
, chr
);
744 /* Once Solaris has openpty(), this is going to be removed. */
745 int openpty(int *amaster
, int *aslave
, char *name
,
746 struct termios
*termp
, struct winsize
*winp
)
749 int mfd
= -1, sfd
= -1;
751 *amaster
= *aslave
= -1;
753 mfd
= open("/dev/ptmx", O_RDWR
| O_NOCTTY
);
757 if (grantpt(mfd
) == -1 || unlockpt(mfd
) == -1)
760 if ((slave
= ptsname(mfd
)) == NULL
)
763 if ((sfd
= open(slave
, O_RDONLY
| O_NOCTTY
)) == -1)
766 if (ioctl(sfd
, I_PUSH
, "ptem") == -1 ||
767 (termp
!= NULL
&& tcgetattr(sfd
, termp
) < 0))
775 ioctl(sfd
, TIOCSWINSZ
, winp
);
786 void cfmakeraw (struct termios
*termios_p
)
788 termios_p
->c_iflag
&=
789 ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
|INLCR
|IGNCR
|ICRNL
|IXON
);
790 termios_p
->c_oflag
&= ~OPOST
;
791 termios_p
->c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|ISIG
|IEXTEN
);
792 termios_p
->c_cflag
&= ~(CSIZE
|PARENB
);
793 termios_p
->c_cflag
|= CS8
;
795 termios_p
->c_cc
[VMIN
] = 0;
796 termios_p
->c_cc
[VTIME
] = 0;
800 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
801 || defined(__NetBSD__) || defined(__OpenBSD__)
811 static void pty_chr_update_read_handler(CharDriverState
*chr
);
812 static void pty_chr_state(CharDriverState
*chr
, int connected
);
814 static int pty_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
816 PtyCharDriver
*s
= chr
->opaque
;
819 /* guest sends data, check for (re-)connect */
820 pty_chr_update_read_handler(chr
);
823 return send_all(s
->fd
, buf
, len
);
826 static int pty_chr_read_poll(void *opaque
)
828 CharDriverState
*chr
= opaque
;
829 PtyCharDriver
*s
= chr
->opaque
;
831 s
->read_bytes
= qemu_chr_can_read(chr
);
832 return s
->read_bytes
;
835 static void pty_chr_read(void *opaque
)
837 CharDriverState
*chr
= opaque
;
838 PtyCharDriver
*s
= chr
->opaque
;
843 if (len
> s
->read_bytes
)
847 size
= read(s
->fd
, buf
, len
);
848 if ((size
== -1 && errno
== EIO
) ||
850 pty_chr_state(chr
, 0);
854 pty_chr_state(chr
, 1);
855 qemu_chr_read(chr
, buf
, size
);
859 static void pty_chr_update_read_handler(CharDriverState
*chr
)
861 PtyCharDriver
*s
= chr
->opaque
;
863 qemu_set_fd_handler2(s
->fd
, pty_chr_read_poll
,
864 pty_chr_read
, NULL
, chr
);
867 * Short timeout here: just need wait long enougth that qemu makes
868 * it through the poll loop once. When reconnected we want a
869 * short timeout so we notice it almost instantly. Otherwise
870 * read() gives us -EIO instantly, making pty_chr_state() reset the
871 * timeout to the normal (much longer) poll interval before the
874 qemu_mod_timer(s
->timer
, qemu_get_clock(rt_clock
) + 10);
877 static void pty_chr_state(CharDriverState
*chr
, int connected
)
879 PtyCharDriver
*s
= chr
->opaque
;
882 qemu_set_fd_handler2(s
->fd
, NULL
, NULL
, NULL
, NULL
);
885 /* (re-)connect poll interval for idle guests: once per second.
886 * We check more frequently in case the guests sends data to
887 * the virtual device linked to our pty. */
888 qemu_mod_timer(s
->timer
, qemu_get_clock(rt_clock
) + 1000);
896 static void pty_chr_timer(void *opaque
)
898 struct CharDriverState
*chr
= opaque
;
899 PtyCharDriver
*s
= chr
->opaque
;
904 /* If we arrive here without polling being cleared due
905 * read returning -EIO, then we are (re-)connected */
906 pty_chr_state(chr
, 1);
911 pty_chr_update_read_handler(chr
);
914 static void pty_chr_close(struct CharDriverState
*chr
)
916 PtyCharDriver
*s
= chr
->opaque
;
918 qemu_set_fd_handler2(s
->fd
, NULL
, NULL
, NULL
, NULL
);
923 static CharDriverState
*qemu_chr_open_pty(void)
925 CharDriverState
*chr
;
929 #if defined(__OpenBSD__)
930 char pty_name
[PATH_MAX
];
931 #define q_ptsname(x) pty_name
933 char *pty_name
= NULL
;
934 #define q_ptsname(x) ptsname(x)
937 chr
= qemu_mallocz(sizeof(CharDriverState
));
938 s
= qemu_mallocz(sizeof(PtyCharDriver
));
940 if (openpty(&s
->fd
, &slave_fd
, pty_name
, NULL
, NULL
) < 0) {
944 /* Set raw attributes on the pty. */
945 tcgetattr(slave_fd
, &tty
);
947 tcsetattr(slave_fd
, TCSAFLUSH
, &tty
);
950 len
= strlen(q_ptsname(s
->fd
)) + 5;
951 chr
->filename
= qemu_malloc(len
);
952 snprintf(chr
->filename
, len
, "pty:%s", q_ptsname(s
->fd
));
953 fprintf(stderr
, "char device redirected to %s\n", q_ptsname(s
->fd
));
956 chr
->chr_write
= pty_chr_write
;
957 chr
->chr_update_read_handler
= pty_chr_update_read_handler
;
958 chr
->chr_close
= pty_chr_close
;
960 s
->timer
= qemu_new_timer(rt_clock
, pty_chr_timer
, chr
);
965 static void tty_serial_init(int fd
, int speed
,
966 int parity
, int data_bits
, int stop_bits
)
972 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
973 speed
, parity
, data_bits
, stop_bits
);
975 tcgetattr (fd
, &tty
);
978 if (speed
<= 50 * MARGIN
)
980 else if (speed
<= 75 * MARGIN
)
982 else if (speed
<= 300 * MARGIN
)
984 else if (speed
<= 600 * MARGIN
)
986 else if (speed
<= 1200 * MARGIN
)
988 else if (speed
<= 2400 * MARGIN
)
990 else if (speed
<= 4800 * MARGIN
)
992 else if (speed
<= 9600 * MARGIN
)
994 else if (speed
<= 19200 * MARGIN
)
996 else if (speed
<= 38400 * MARGIN
)
998 else if (speed
<= 57600 * MARGIN
)
1000 else if (speed
<= 115200 * MARGIN
)
1005 cfsetispeed(&tty
, spd
);
1006 cfsetospeed(&tty
, spd
);
1008 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
1009 |INLCR
|IGNCR
|ICRNL
|IXON
);
1010 tty
.c_oflag
|= OPOST
;
1011 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
|ISIG
);
1012 tty
.c_cflag
&= ~(CSIZE
|PARENB
|PARODD
|CRTSCTS
|CSTOPB
);
1033 tty
.c_cflag
|= PARENB
;
1036 tty
.c_cflag
|= PARENB
| PARODD
;
1040 tty
.c_cflag
|= CSTOPB
;
1042 tcsetattr (fd
, TCSANOW
, &tty
);
1045 static int tty_serial_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
1047 FDCharDriver
*s
= chr
->opaque
;
1050 case CHR_IOCTL_SERIAL_SET_PARAMS
:
1052 QEMUSerialSetParams
*ssp
= arg
;
1053 tty_serial_init(s
->fd_in
, ssp
->speed
, ssp
->parity
,
1054 ssp
->data_bits
, ssp
->stop_bits
);
1057 case CHR_IOCTL_SERIAL_SET_BREAK
:
1059 int enable
= *(int *)arg
;
1061 tcsendbreak(s
->fd_in
, 1);
1064 case CHR_IOCTL_SERIAL_GET_TIOCM
:
1067 int *targ
= (int *)arg
;
1068 ioctl(s
->fd_in
, TIOCMGET
, &sarg
);
1070 if (sarg
& TIOCM_CTS
)
1071 *targ
|= CHR_TIOCM_CTS
;
1072 if (sarg
& TIOCM_CAR
)
1073 *targ
|= CHR_TIOCM_CAR
;
1074 if (sarg
& TIOCM_DSR
)
1075 *targ
|= CHR_TIOCM_DSR
;
1076 if (sarg
& TIOCM_RI
)
1077 *targ
|= CHR_TIOCM_RI
;
1078 if (sarg
& TIOCM_DTR
)
1079 *targ
|= CHR_TIOCM_DTR
;
1080 if (sarg
& TIOCM_RTS
)
1081 *targ
|= CHR_TIOCM_RTS
;
1084 case CHR_IOCTL_SERIAL_SET_TIOCM
:
1086 int sarg
= *(int *)arg
;
1088 ioctl(s
->fd_in
, TIOCMGET
, &targ
);
1089 targ
&= ~(CHR_TIOCM_CTS
| CHR_TIOCM_CAR
| CHR_TIOCM_DSR
1090 | CHR_TIOCM_RI
| CHR_TIOCM_DTR
| CHR_TIOCM_RTS
);
1091 if (sarg
& CHR_TIOCM_CTS
)
1093 if (sarg
& CHR_TIOCM_CAR
)
1095 if (sarg
& CHR_TIOCM_DSR
)
1097 if (sarg
& CHR_TIOCM_RI
)
1099 if (sarg
& CHR_TIOCM_DTR
)
1101 if (sarg
& CHR_TIOCM_RTS
)
1103 ioctl(s
->fd_in
, TIOCMSET
, &targ
);
1112 static CharDriverState
*qemu_chr_open_tty(const char *filename
)
1114 CharDriverState
*chr
;
1117 TFR(fd
= open(filename
, O_RDWR
| O_NONBLOCK
));
1118 tty_serial_init(fd
, 115200, 'N', 8, 1);
1119 chr
= qemu_chr_open_fd(fd
, fd
);
1124 chr
->chr_ioctl
= tty_serial_ioctl
;
1125 qemu_chr_reset(chr
);
1128 #else /* ! __linux__ && ! __sun__ */
1129 static CharDriverState
*qemu_chr_open_pty(void)
1133 #endif /* __linux__ || __sun__ */
1135 #if defined(__linux__)
1139 } ParallelCharDriver
;
1141 static int pp_hw_mode(ParallelCharDriver
*s
, uint16_t mode
)
1143 if (s
->mode
!= mode
) {
1145 if (ioctl(s
->fd
, PPSETMODE
, &m
) < 0)
1152 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
1154 ParallelCharDriver
*drv
= chr
->opaque
;
1159 case CHR_IOCTL_PP_READ_DATA
:
1160 if (ioctl(fd
, PPRDATA
, &b
) < 0)
1162 *(uint8_t *)arg
= b
;
1164 case CHR_IOCTL_PP_WRITE_DATA
:
1165 b
= *(uint8_t *)arg
;
1166 if (ioctl(fd
, PPWDATA
, &b
) < 0)
1169 case CHR_IOCTL_PP_READ_CONTROL
:
1170 if (ioctl(fd
, PPRCONTROL
, &b
) < 0)
1172 /* Linux gives only the lowest bits, and no way to know data
1173 direction! For better compatibility set the fixed upper
1175 *(uint8_t *)arg
= b
| 0xc0;
1177 case CHR_IOCTL_PP_WRITE_CONTROL
:
1178 b
= *(uint8_t *)arg
;
1179 if (ioctl(fd
, PPWCONTROL
, &b
) < 0)
1182 case CHR_IOCTL_PP_READ_STATUS
:
1183 if (ioctl(fd
, PPRSTATUS
, &b
) < 0)
1185 *(uint8_t *)arg
= b
;
1187 case CHR_IOCTL_PP_DATA_DIR
:
1188 if (ioctl(fd
, PPDATADIR
, (int *)arg
) < 0)
1191 case CHR_IOCTL_PP_EPP_READ_ADDR
:
1192 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
1193 struct ParallelIOArg
*parg
= arg
;
1194 int n
= read(fd
, parg
->buffer
, parg
->count
);
1195 if (n
!= parg
->count
) {
1200 case CHR_IOCTL_PP_EPP_READ
:
1201 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
1202 struct ParallelIOArg
*parg
= arg
;
1203 int n
= read(fd
, parg
->buffer
, parg
->count
);
1204 if (n
!= parg
->count
) {
1209 case CHR_IOCTL_PP_EPP_WRITE_ADDR
:
1210 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
|IEEE1284_ADDR
)) {
1211 struct ParallelIOArg
*parg
= arg
;
1212 int n
= write(fd
, parg
->buffer
, parg
->count
);
1213 if (n
!= parg
->count
) {
1218 case CHR_IOCTL_PP_EPP_WRITE
:
1219 if (pp_hw_mode(drv
, IEEE1284_MODE_EPP
)) {
1220 struct ParallelIOArg
*parg
= arg
;
1221 int n
= write(fd
, parg
->buffer
, parg
->count
);
1222 if (n
!= parg
->count
) {
1233 static void pp_close(CharDriverState
*chr
)
1235 ParallelCharDriver
*drv
= chr
->opaque
;
1238 pp_hw_mode(drv
, IEEE1284_MODE_COMPAT
);
1239 ioctl(fd
, PPRELEASE
);
1244 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
1246 CharDriverState
*chr
;
1247 ParallelCharDriver
*drv
;
1250 TFR(fd
= open(filename
, O_RDWR
));
1254 if (ioctl(fd
, PPCLAIM
) < 0) {
1259 drv
= qemu_mallocz(sizeof(ParallelCharDriver
));
1261 drv
->mode
= IEEE1284_MODE_COMPAT
;
1263 chr
= qemu_mallocz(sizeof(CharDriverState
));
1264 chr
->chr_write
= null_chr_write
;
1265 chr
->chr_ioctl
= pp_ioctl
;
1266 chr
->chr_close
= pp_close
;
1269 qemu_chr_reset(chr
);
1273 #endif /* __linux__ */
1275 #if defined(__FreeBSD__)
1276 static int pp_ioctl(CharDriverState
*chr
, int cmd
, void *arg
)
1278 int fd
= (int)chr
->opaque
;
1282 case CHR_IOCTL_PP_READ_DATA
:
1283 if (ioctl(fd
, PPIGDATA
, &b
) < 0)
1285 *(uint8_t *)arg
= b
;
1287 case CHR_IOCTL_PP_WRITE_DATA
:
1288 b
= *(uint8_t *)arg
;
1289 if (ioctl(fd
, PPISDATA
, &b
) < 0)
1292 case CHR_IOCTL_PP_READ_CONTROL
:
1293 if (ioctl(fd
, PPIGCTRL
, &b
) < 0)
1295 *(uint8_t *)arg
= b
;
1297 case CHR_IOCTL_PP_WRITE_CONTROL
:
1298 b
= *(uint8_t *)arg
;
1299 if (ioctl(fd
, PPISCTRL
, &b
) < 0)
1302 case CHR_IOCTL_PP_READ_STATUS
:
1303 if (ioctl(fd
, PPIGSTATUS
, &b
) < 0)
1305 *(uint8_t *)arg
= b
;
1313 static CharDriverState
*qemu_chr_open_pp(const char *filename
)
1315 CharDriverState
*chr
;
1318 fd
= open(filename
, O_RDWR
);
1322 chr
= qemu_mallocz(sizeof(CharDriverState
));
1323 chr
->opaque
= (void *)fd
;
1324 chr
->chr_write
= null_chr_write
;
1325 chr
->chr_ioctl
= pp_ioctl
;
1334 HANDLE hcom
, hrecv
, hsend
;
1335 OVERLAPPED orecv
, osend
;
1340 #define NSENDBUF 2048
1341 #define NRECVBUF 2048
1342 #define MAXCONNECT 1
1343 #define NTIMEOUT 5000
1345 static int win_chr_poll(void *opaque
);
1346 static int win_chr_pipe_poll(void *opaque
);
1348 static void win_chr_close(CharDriverState
*chr
)
1350 WinCharState
*s
= chr
->opaque
;
1353 CloseHandle(s
->hsend
);
1357 CloseHandle(s
->hrecv
);
1361 CloseHandle(s
->hcom
);
1365 qemu_del_polling_cb(win_chr_pipe_poll
, chr
);
1367 qemu_del_polling_cb(win_chr_poll
, chr
);
1370 static int win_chr_init(CharDriverState
*chr
, const char *filename
)
1372 WinCharState
*s
= chr
->opaque
;
1374 COMMTIMEOUTS cto
= { 0, 0, 0, 0, 0};
1379 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
1381 fprintf(stderr
, "Failed CreateEvent\n");
1384 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
1386 fprintf(stderr
, "Failed CreateEvent\n");
1390 s
->hcom
= CreateFile(filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
,
1391 OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, 0);
1392 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
1393 fprintf(stderr
, "Failed CreateFile (%lu)\n", GetLastError());
1398 if (!SetupComm(s
->hcom
, NRECVBUF
, NSENDBUF
)) {
1399 fprintf(stderr
, "Failed SetupComm\n");
1403 ZeroMemory(&comcfg
, sizeof(COMMCONFIG
));
1404 size
= sizeof(COMMCONFIG
);
1405 GetDefaultCommConfig(filename
, &comcfg
, &size
);
1406 comcfg
.dcb
.DCBlength
= sizeof(DCB
);
1407 CommConfigDialog(filename
, NULL
, &comcfg
);
1409 if (!SetCommState(s
->hcom
, &comcfg
.dcb
)) {
1410 fprintf(stderr
, "Failed SetCommState\n");
1414 if (!SetCommMask(s
->hcom
, EV_ERR
)) {
1415 fprintf(stderr
, "Failed SetCommMask\n");
1419 cto
.ReadIntervalTimeout
= MAXDWORD
;
1420 if (!SetCommTimeouts(s
->hcom
, &cto
)) {
1421 fprintf(stderr
, "Failed SetCommTimeouts\n");
1425 if (!ClearCommError(s
->hcom
, &err
, &comstat
)) {
1426 fprintf(stderr
, "Failed ClearCommError\n");
1429 qemu_add_polling_cb(win_chr_poll
, chr
);
1437 static int win_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len1
)
1439 WinCharState
*s
= chr
->opaque
;
1440 DWORD len
, ret
, size
, err
;
1443 ZeroMemory(&s
->osend
, sizeof(s
->osend
));
1444 s
->osend
.hEvent
= s
->hsend
;
1447 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, &s
->osend
);
1449 ret
= WriteFile(s
->hcom
, buf
, len
, &size
, NULL
);
1451 err
= GetLastError();
1452 if (err
== ERROR_IO_PENDING
) {
1453 ret
= GetOverlappedResult(s
->hcom
, &s
->osend
, &size
, TRUE
);
1471 static int win_chr_read_poll(CharDriverState
*chr
)
1473 WinCharState
*s
= chr
->opaque
;
1475 s
->max_size
= qemu_chr_can_read(chr
);
1479 static void win_chr_readfile(CharDriverState
*chr
)
1481 WinCharState
*s
= chr
->opaque
;
1486 ZeroMemory(&s
->orecv
, sizeof(s
->orecv
));
1487 s
->orecv
.hEvent
= s
->hrecv
;
1488 ret
= ReadFile(s
->hcom
, buf
, s
->len
, &size
, &s
->orecv
);
1490 err
= GetLastError();
1491 if (err
== ERROR_IO_PENDING
) {
1492 ret
= GetOverlappedResult(s
->hcom
, &s
->orecv
, &size
, TRUE
);
1497 qemu_chr_read(chr
, buf
, size
);
1501 static void win_chr_read(CharDriverState
*chr
)
1503 WinCharState
*s
= chr
->opaque
;
1505 if (s
->len
> s
->max_size
)
1506 s
->len
= s
->max_size
;
1510 win_chr_readfile(chr
);
1513 static int win_chr_poll(void *opaque
)
1515 CharDriverState
*chr
= opaque
;
1516 WinCharState
*s
= chr
->opaque
;
1520 ClearCommError(s
->hcom
, &comerr
, &status
);
1521 if (status
.cbInQue
> 0) {
1522 s
->len
= status
.cbInQue
;
1523 win_chr_read_poll(chr
);
1530 static CharDriverState
*qemu_chr_open_win(const char *filename
)
1532 CharDriverState
*chr
;
1535 chr
= qemu_mallocz(sizeof(CharDriverState
));
1536 s
= qemu_mallocz(sizeof(WinCharState
));
1538 chr
->chr_write
= win_chr_write
;
1539 chr
->chr_close
= win_chr_close
;
1541 if (win_chr_init(chr
, filename
) < 0) {
1546 qemu_chr_reset(chr
);
1550 static int win_chr_pipe_poll(void *opaque
)
1552 CharDriverState
*chr
= opaque
;
1553 WinCharState
*s
= chr
->opaque
;
1556 PeekNamedPipe(s
->hcom
, NULL
, 0, NULL
, &size
, NULL
);
1559 win_chr_read_poll(chr
);
1566 static int win_chr_pipe_init(CharDriverState
*chr
, const char *filename
)
1568 WinCharState
*s
= chr
->opaque
;
1576 s
->hsend
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
1578 fprintf(stderr
, "Failed CreateEvent\n");
1581 s
->hrecv
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
1583 fprintf(stderr
, "Failed CreateEvent\n");
1587 snprintf(openname
, sizeof(openname
), "\\\\.\\pipe\\%s", filename
);
1588 s
->hcom
= CreateNamedPipe(openname
, PIPE_ACCESS_DUPLEX
| FILE_FLAG_OVERLAPPED
,
1589 PIPE_TYPE_BYTE
| PIPE_READMODE_BYTE
|
1591 MAXCONNECT
, NSENDBUF
, NRECVBUF
, NTIMEOUT
, NULL
);
1592 if (s
->hcom
== INVALID_HANDLE_VALUE
) {
1593 fprintf(stderr
, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1598 ZeroMemory(&ov
, sizeof(ov
));
1599 ov
.hEvent
= CreateEvent(NULL
, TRUE
, FALSE
, NULL
);
1600 ret
= ConnectNamedPipe(s
->hcom
, &ov
);
1602 fprintf(stderr
, "Failed ConnectNamedPipe\n");
1606 ret
= GetOverlappedResult(s
->hcom
, &ov
, &size
, TRUE
);
1608 fprintf(stderr
, "Failed GetOverlappedResult\n");
1610 CloseHandle(ov
.hEvent
);
1617 CloseHandle(ov
.hEvent
);
1620 qemu_add_polling_cb(win_chr_pipe_poll
, chr
);
1629 static CharDriverState
*qemu_chr_open_win_pipe(const char *filename
)
1631 CharDriverState
*chr
;
1634 chr
= qemu_mallocz(sizeof(CharDriverState
));
1635 s
= qemu_mallocz(sizeof(WinCharState
));
1637 chr
->chr_write
= win_chr_write
;
1638 chr
->chr_close
= win_chr_close
;
1640 if (win_chr_pipe_init(chr
, filename
) < 0) {
1645 qemu_chr_reset(chr
);
1649 static CharDriverState
*qemu_chr_open_win_file(HANDLE fd_out
)
1651 CharDriverState
*chr
;
1654 chr
= qemu_mallocz(sizeof(CharDriverState
));
1655 s
= qemu_mallocz(sizeof(WinCharState
));
1658 chr
->chr_write
= win_chr_write
;
1659 qemu_chr_reset(chr
);
1663 static CharDriverState
*qemu_chr_open_win_con(const char *filename
)
1665 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE
));
1668 static CharDriverState
*qemu_chr_open_win_file_out(const char *file_out
)
1672 fd_out
= CreateFile(file_out
, GENERIC_WRITE
, FILE_SHARE_READ
, NULL
,
1673 OPEN_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
1674 if (fd_out
== INVALID_HANDLE_VALUE
)
1677 return qemu_chr_open_win_file(fd_out
);
1679 #endif /* !_WIN32 */
1681 /***********************************************************/
1682 /* UDP Net console */
1686 struct sockaddr_in daddr
;
1693 static int udp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1695 NetCharDriver
*s
= chr
->opaque
;
1697 return sendto(s
->fd
, buf
, len
, 0,
1698 (struct sockaddr
*)&s
->daddr
, sizeof(struct sockaddr_in
));
1701 static int udp_chr_read_poll(void *opaque
)
1703 CharDriverState
*chr
= opaque
;
1704 NetCharDriver
*s
= chr
->opaque
;
1706 s
->max_size
= qemu_chr_can_read(chr
);
1708 /* If there were any stray characters in the queue process them
1711 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
1712 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
1714 s
->max_size
= qemu_chr_can_read(chr
);
1719 static void udp_chr_read(void *opaque
)
1721 CharDriverState
*chr
= opaque
;
1722 NetCharDriver
*s
= chr
->opaque
;
1724 if (s
->max_size
== 0)
1726 s
->bufcnt
= recv(s
->fd
, s
->buf
, sizeof(s
->buf
), 0);
1727 s
->bufptr
= s
->bufcnt
;
1732 while (s
->max_size
> 0 && s
->bufptr
< s
->bufcnt
) {
1733 qemu_chr_read(chr
, &s
->buf
[s
->bufptr
], 1);
1735 s
->max_size
= qemu_chr_can_read(chr
);
1739 static void udp_chr_update_read_handler(CharDriverState
*chr
)
1741 NetCharDriver
*s
= chr
->opaque
;
1744 qemu_set_fd_handler2(s
->fd
, udp_chr_read_poll
,
1745 udp_chr_read
, NULL
, chr
);
1749 static CharDriverState
*qemu_chr_open_udp(const char *def
)
1751 CharDriverState
*chr
= NULL
;
1752 NetCharDriver
*s
= NULL
;
1754 struct sockaddr_in saddr
;
1756 chr
= qemu_mallocz(sizeof(CharDriverState
));
1757 s
= qemu_mallocz(sizeof(NetCharDriver
));
1759 fd
= socket(PF_INET
, SOCK_DGRAM
, 0);
1761 perror("socket(PF_INET, SOCK_DGRAM)");
1765 if (parse_host_src_port(&s
->daddr
, &saddr
, def
) < 0) {
1766 printf("Could not parse: %s\n", def
);
1770 if (bind(fd
, (struct sockaddr
*)&saddr
, sizeof(saddr
)) < 0)
1780 chr
->chr_write
= udp_chr_write
;
1781 chr
->chr_update_read_handler
= udp_chr_update_read_handler
;
1794 /***********************************************************/
1795 /* TCP Net console */
1806 static void tcp_chr_accept(void *opaque
);
1808 static int tcp_chr_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1810 TCPCharDriver
*s
= chr
->opaque
;
1812 return send_all(s
->fd
, buf
, len
);
1814 /* XXX: indicate an error ? */
1819 static int tcp_chr_read_poll(void *opaque
)
1821 CharDriverState
*chr
= opaque
;
1822 TCPCharDriver
*s
= chr
->opaque
;
1825 s
->max_size
= qemu_chr_can_read(chr
);
1830 #define IAC_BREAK 243
1831 static void tcp_chr_process_IAC_bytes(CharDriverState
*chr
,
1833 uint8_t *buf
, int *size
)
1835 /* Handle any telnet client's basic IAC options to satisfy char by
1836 * char mode with no echo. All IAC options will be removed from
1837 * the buf and the do_telnetopt variable will be used to track the
1838 * state of the width of the IAC information.
1840 * IAC commands come in sets of 3 bytes with the exception of the
1841 * "IAC BREAK" command and the double IAC.
1847 for (i
= 0; i
< *size
; i
++) {
1848 if (s
->do_telnetopt
> 1) {
1849 if ((unsigned char)buf
[i
] == IAC
&& s
->do_telnetopt
== 2) {
1850 /* Double IAC means send an IAC */
1854 s
->do_telnetopt
= 1;
1856 if ((unsigned char)buf
[i
] == IAC_BREAK
&& s
->do_telnetopt
== 2) {
1857 /* Handle IAC break commands by sending a serial break */
1858 qemu_chr_event(chr
, CHR_EVENT_BREAK
);
1863 if (s
->do_telnetopt
>= 4) {
1864 s
->do_telnetopt
= 1;
1867 if ((unsigned char)buf
[i
] == IAC
) {
1868 s
->do_telnetopt
= 2;
1879 static void tcp_chr_read(void *opaque
)
1881 CharDriverState
*chr
= opaque
;
1882 TCPCharDriver
*s
= chr
->opaque
;
1886 if (!s
->connected
|| s
->max_size
<= 0)
1889 if (len
> s
->max_size
)
1891 size
= recv(s
->fd
, buf
, len
, 0);
1893 /* connection closed */
1895 if (s
->listen_fd
>= 0) {
1896 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
1898 qemu_set_fd_handler(s
->fd
, NULL
, NULL
, NULL
);
1901 } else if (size
> 0) {
1902 if (s
->do_telnetopt
)
1903 tcp_chr_process_IAC_bytes(chr
, s
, buf
, &size
);
1905 qemu_chr_read(chr
, buf
, size
);
1909 static void tcp_chr_connect(void *opaque
)
1911 CharDriverState
*chr
= opaque
;
1912 TCPCharDriver
*s
= chr
->opaque
;
1915 qemu_set_fd_handler2(s
->fd
, tcp_chr_read_poll
,
1916 tcp_chr_read
, NULL
, chr
);
1917 qemu_chr_reset(chr
);
1920 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
1921 static void tcp_chr_telnet_init(int fd
)
1924 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
1925 IACSET(buf
, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
1926 send(fd
, (char *)buf
, 3, 0);
1927 IACSET(buf
, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
1928 send(fd
, (char *)buf
, 3, 0);
1929 IACSET(buf
, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
1930 send(fd
, (char *)buf
, 3, 0);
1931 IACSET(buf
, 0xff, 0xfd, 0x00); /* IAC DO Binary */
1932 send(fd
, (char *)buf
, 3, 0);
1935 static void socket_set_nodelay(int fd
)
1938 setsockopt(fd
, IPPROTO_TCP
, TCP_NODELAY
, (char *)&val
, sizeof(val
));
1941 static void tcp_chr_accept(void *opaque
)
1943 CharDriverState
*chr
= opaque
;
1944 TCPCharDriver
*s
= chr
->opaque
;
1945 struct sockaddr_in saddr
;
1947 struct sockaddr_un uaddr
;
1949 struct sockaddr
*addr
;
1956 len
= sizeof(uaddr
);
1957 addr
= (struct sockaddr
*)&uaddr
;
1961 len
= sizeof(saddr
);
1962 addr
= (struct sockaddr
*)&saddr
;
1964 fd
= accept(s
->listen_fd
, addr
, &len
);
1965 if (fd
< 0 && errno
!= EINTR
) {
1967 } else if (fd
>= 0) {
1968 if (s
->do_telnetopt
)
1969 tcp_chr_telnet_init(fd
);
1973 socket_set_nonblock(fd
);
1975 socket_set_nodelay(fd
);
1977 qemu_set_fd_handler(s
->listen_fd
, NULL
, NULL
, NULL
);
1978 tcp_chr_connect(chr
);
1981 static void tcp_chr_close(CharDriverState
*chr
)
1983 TCPCharDriver
*s
= chr
->opaque
;
1986 if (s
->listen_fd
>= 0)
1987 closesocket(s
->listen_fd
);
1991 static CharDriverState
*qemu_chr_open_tcp(const char *host_str
,
1995 CharDriverState
*chr
= NULL
;
1996 TCPCharDriver
*s
= NULL
;
1997 int fd
= -1, offset
= 0;
1999 int is_waitconnect
= 1;
2004 while((ptr
= strchr(ptr
,','))) {
2006 if (!strncmp(ptr
,"server",6)) {
2008 } else if (!strncmp(ptr
,"nowait",6)) {
2010 } else if (!strncmp(ptr
,"nodelay",6)) {
2012 } else if (!strncmp(ptr
,"to=",3)) {
2013 /* nothing, inet_listen() parses this one */;
2014 } else if (!strncmp(ptr
,"ipv4",4)) {
2015 /* nothing, inet_connect() and inet_listen() parse this one */;
2016 } else if (!strncmp(ptr
,"ipv6",4)) {
2017 /* nothing, inet_connect() and inet_listen() parse this one */;
2019 printf("Unknown option: %s\n", ptr
);
2026 chr
= qemu_mallocz(sizeof(CharDriverState
));
2027 s
= qemu_mallocz(sizeof(TCPCharDriver
));
2030 chr
->filename
= qemu_malloc(256);
2032 pstrcpy(chr
->filename
, 256, "unix:");
2033 } else if (is_telnet
) {
2034 pstrcpy(chr
->filename
, 256, "telnet:");
2036 pstrcpy(chr
->filename
, 256, "tcp:");
2038 offset
= strlen(chr
->filename
);
2042 fd
= unix_listen(host_str
, chr
->filename
+ offset
, 256 - offset
);
2044 fd
= unix_connect(host_str
);
2048 fd
= inet_listen(host_str
, chr
->filename
+ offset
, 256 - offset
,
2051 fd
= inet_connect(host_str
, SOCK_STREAM
);
2057 if (!is_waitconnect
)
2058 socket_set_nonblock(fd
);
2063 s
->is_unix
= is_unix
;
2064 s
->do_nodelay
= do_nodelay
&& !is_unix
;
2067 chr
->chr_write
= tcp_chr_write
;
2068 chr
->chr_close
= tcp_chr_close
;
2072 qemu_set_fd_handler(s
->listen_fd
, tcp_chr_accept
, NULL
, chr
);
2074 s
->do_telnetopt
= 1;
2078 socket_set_nodelay(fd
);
2079 tcp_chr_connect(chr
);
2082 if (is_listen
&& is_waitconnect
) {
2083 printf("QEMU waiting for connection on: %s\n",
2084 chr
->filename
? chr
->filename
: host_str
);
2085 tcp_chr_accept(chr
);
2086 socket_set_nonblock(s
->listen_fd
);
2098 CharDriverState
*qemu_chr_open(const char *label
, const char *filename
, void (*init
)(struct CharDriverState
*s
))
2101 CharDriverState
*chr
;
2103 if (!strcmp(filename
, "vc")) {
2104 chr
= text_console_init(0);
2106 if (strstart(filename
, "vc:", &p
)) {
2107 chr
= text_console_init(p
);
2109 if (!strcmp(filename
, "null")) {
2110 chr
= qemu_chr_open_null();
2112 if (strstart(filename
, "tcp:", &p
)) {
2113 chr
= qemu_chr_open_tcp(p
, 0, 0);
2115 if (strstart(filename
, "telnet:", &p
)) {
2116 chr
= qemu_chr_open_tcp(p
, 1, 0);
2118 if (strstart(filename
, "udp:", &p
)) {
2119 chr
= qemu_chr_open_udp(p
);
2121 if (strstart(filename
, "mon:", &p
)) {
2122 chr
= qemu_chr_open(label
, p
, NULL
);
2124 chr
= qemu_chr_open_mux(chr
);
2125 monitor_init(chr
, !nographic
);
2127 printf("Unable to open driver: %s\n", p
);
2129 } else if (!strcmp(filename
, "msmouse")) {
2130 chr
= qemu_chr_open_msmouse();
2133 if (strstart(filename
, "unix:", &p
)) {
2134 chr
= qemu_chr_open_tcp(p
, 0, 1);
2135 } else if (strstart(filename
, "file:", &p
)) {
2136 chr
= qemu_chr_open_file_out(p
);
2137 } else if (strstart(filename
, "pipe:", &p
)) {
2138 chr
= qemu_chr_open_pipe(p
);
2139 } else if (!strcmp(filename
, "pty")) {
2140 chr
= qemu_chr_open_pty();
2141 } else if (!strcmp(filename
, "stdio")) {
2142 chr
= qemu_chr_open_stdio();
2144 #if defined(__linux__)
2145 if (strstart(filename
, "/dev/parport", NULL
)) {
2146 chr
= qemu_chr_open_pp(filename
);
2148 #elif defined(__FreeBSD__)
2149 if (strstart(filename
, "/dev/ppi", NULL
)) {
2150 chr
= qemu_chr_open_pp(filename
);
2153 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2154 || defined(__NetBSD__) || defined(__OpenBSD__)
2155 if (strstart(filename
, "/dev/", NULL
)) {
2156 chr
= qemu_chr_open_tty(filename
);
2160 if (strstart(filename
, "COM", NULL
)) {
2161 chr
= qemu_chr_open_win(filename
);
2163 if (strstart(filename
, "pipe:", &p
)) {
2164 chr
= qemu_chr_open_win_pipe(p
);
2166 if (strstart(filename
, "con:", NULL
)) {
2167 chr
= qemu_chr_open_win_con(filename
);
2169 if (strstart(filename
, "file:", &p
)) {
2170 chr
= qemu_chr_open_win_file_out(p
);
2173 #ifdef CONFIG_BRLAPI
2174 if (!strcmp(filename
, "braille")) {
2175 chr
= chr_baum_init();
2184 chr
->filename
= qemu_strdup(filename
);
2186 chr
->label
= qemu_strdup(label
);
2187 TAILQ_INSERT_TAIL(&chardevs
, chr
, next
);
2192 void qemu_chr_close(CharDriverState
*chr
)
2194 TAILQ_REMOVE(&chardevs
, chr
, next
);
2196 chr
->chr_close(chr
);
2197 qemu_free(chr
->filename
);
2198 qemu_free(chr
->label
);
2202 void qemu_chr_info(void)
2204 CharDriverState
*chr
;
2206 TAILQ_FOREACH(chr
, &chardevs
, next
) {
2207 term_printf("%s: filename=%s\n", chr
->label
, chr
->filename
);