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"
29 #include "qemu-timer.h"
30 #include "qemu-char.h"
34 #include "hw/msmouse.h"
45 #include <sys/times.h>
49 #include <sys/ioctl.h>
50 #include <sys/resource.h>
51 #include <sys/socket.h>
52 #include <netinet/in.h>
55 #include <net/if_tap.h>
58 #include <linux/if_tun.h>
60 #include <arpa/inet.h>
63 #include <sys/select.h>
68 #include <dev/ppbus/ppi.h>
69 #include <dev/ppbus/ppbconf.h>
70 #elif defined(__DragonFly__)
72 #include <dev/misc/ppi/ppi.h>
73 #include <bus/ppbus/ppbconf.h>
77 #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
78 #include <freebsd/stdlib.h>
83 #include <linux/ppdev.h>
84 #include <linux/parport.h>
88 #include <sys/ethernet.h>
89 #include <sys/sockio.h>
90 #include <netinet/arp.h>
91 #include <netinet/in.h>
92 #include <netinet/in_systm.h>
93 #include <netinet/ip.h>
94 #include <netinet/ip_icmp.h> // must come after ip.h
95 #include <netinet/udp.h>
96 #include <netinet/tcp.h>
104 #include "qemu_socket.h"
106 /***********************************************************/
107 /* character device */
109 static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
110 TAILQ_HEAD_INITIALIZER(chardevs);
111 static int initial_reset_issued;
113 static void qemu_chr_event(CharDriverState *s, int event)
117 s->chr_event(s->handler_opaque, event);
120 static void qemu_chr_reset_bh(void *opaque)
122 CharDriverState *s = opaque;
123 qemu_chr_event(s, CHR_EVENT_RESET);
124 qemu_bh_delete(s->bh);
128 void qemu_chr_reset(CharDriverState *s)
130 if (s->bh == NULL && initial_reset_issued) {
131 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
132 qemu_bh_schedule(s->bh);
136 void qemu_chr_initial_reset(void)
138 CharDriverState *chr;
140 initial_reset_issued = 1;
142 TAILQ_FOREACH(chr, &chardevs, next) {
147 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
149 return s->chr_write(s, buf, len);
152 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
156 return s->chr_ioctl(s, cmd, arg);
159 int qemu_chr_can_read(CharDriverState *s)
161 if (!s->chr_can_read)
163 return s->chr_can_read(s->handler_opaque);
166 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
168 s->chr_read(s->handler_opaque, buf, len);
171 int qemu_chr_get_msgfd(CharDriverState *s)
173 return s->get_msgfd ? s->get_msgfd(s) : -1;
176 void qemu_chr_accept_input(CharDriverState *s)
178 if (s->chr_accept_input)
179 s->chr_accept_input(s);
182 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
187 vsnprintf(buf, sizeof(buf), fmt, ap);
188 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
192 void qemu_chr_send_event(CharDriverState *s, int event)
194 if (s->chr_send_event)
195 s->chr_send_event(s, event);
198 void qemu_chr_add_handlers(CharDriverState *s,
199 IOCanRWHandler *fd_can_read,
200 IOReadHandler *fd_read,
201 IOEventHandler *fd_event,
204 s->chr_can_read = fd_can_read;
205 s->chr_read = fd_read;
206 s->chr_event = fd_event;
207 s->handler_opaque = opaque;
208 if (s->chr_update_read_handler)
209 s->chr_update_read_handler(s);
212 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
217 static CharDriverState *qemu_chr_open_null(void)
219 CharDriverState *chr;
221 chr = qemu_mallocz(sizeof(CharDriverState));
222 chr->chr_write = null_chr_write;
226 /* MUX driver for serial I/O splitting */
228 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
229 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
231 IOCanRWHandler *chr_can_read[MAX_MUX];
232 IOReadHandler *chr_read[MAX_MUX];
233 IOEventHandler *chr_event[MAX_MUX];
234 void *ext_opaque[MAX_MUX];
235 CharDriverState *drv;
239 /* Intermediate input buffer allows to catch escape sequences even if the
240 currently active device is not accepting any input - but only until it
242 unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE];
247 int64_t timestamps_start;
251 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
253 MuxDriver *d = chr->opaque;
255 if (!d->timestamps) {
256 ret = d->drv->chr_write(d->drv, buf, len);
261 for (i = 0; i < len; i++) {
267 ti = qemu_get_clock(rt_clock);
268 if (d->timestamps_start == -1)
269 d->timestamps_start = ti;
270 ti -= d->timestamps_start;
272 snprintf(buf1, sizeof(buf1),
273 "[%02d:%02d:%02d.%03d] ",
278 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
281 ret += d->drv->chr_write(d->drv, buf+i, 1);
282 if (buf[i] == '\n') {
290 static const char * const mux_help[] = {
291 "% h print this help\n\r",
292 "% x exit emulator\n\r",
293 "% s save disk data back to file (if -snapshot)\n\r",
294 "% t toggle console timestamps\n\r"
295 "% b send break (magic sysrq)\n\r",
296 "% c switch between console and monitor\n\r",
301 int term_escape_char = 0x01; /* ctrl-a is used for escape */
302 static void mux_print_help(CharDriverState *chr)
305 char ebuf[15] = "Escape-Char";
306 char cbuf[50] = "\n\r";
308 if (term_escape_char > 0 && term_escape_char < 26) {
309 snprintf(cbuf, sizeof(cbuf), "\n\r");
310 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
312 snprintf(cbuf, sizeof(cbuf),
313 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
316 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
317 for (i = 0; mux_help[i] != NULL; i++) {
318 for (j=0; mux_help[i][j] != '\0'; j++) {
319 if (mux_help[i][j] == '%')
320 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
322 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
327 static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event)
329 if (d->chr_event[mux_nr])
330 d->chr_event[mux_nr](d->ext_opaque[mux_nr], event);
333 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
335 if (d->term_got_escape) {
336 d->term_got_escape = 0;
337 if (ch == term_escape_char)
346 const char *term = "QEMU: Terminated\n\r";
347 chr->chr_write(chr,(uint8_t *)term,strlen(term));
354 TAILQ_FOREACH(dinfo, &drives, next) {
355 bdrv_commit(dinfo->bdrv);
360 qemu_chr_event(chr, CHR_EVENT_BREAK);
363 /* Switch to the next registered device */
364 mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT);
366 if (chr->focus >= d->mux_cnt)
368 mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN);
371 d->timestamps = !d->timestamps;
372 d->timestamps_start = -1;
376 } else if (ch == term_escape_char) {
377 d->term_got_escape = 1;
385 static void mux_chr_accept_input(CharDriverState *chr)
388 MuxDriver *d = chr->opaque;
390 while (d->prod[m] != d->cons[m] &&
391 d->chr_can_read[m] &&
392 d->chr_can_read[m](d->ext_opaque[m])) {
393 d->chr_read[m](d->ext_opaque[m],
394 &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1);
398 static int mux_chr_can_read(void *opaque)
400 CharDriverState *chr = opaque;
401 MuxDriver *d = chr->opaque;
404 if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE)
406 if (d->chr_can_read[m])
407 return d->chr_can_read[m](d->ext_opaque[m]);
411 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
413 CharDriverState *chr = opaque;
414 MuxDriver *d = chr->opaque;
418 mux_chr_accept_input (opaque);
420 for(i = 0; i < size; i++)
421 if (mux_proc_byte(chr, d, buf[i])) {
422 if (d->prod[m] == d->cons[m] &&
423 d->chr_can_read[m] &&
424 d->chr_can_read[m](d->ext_opaque[m]))
425 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
427 d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i];
431 static void mux_chr_event(void *opaque, int event)
433 CharDriverState *chr = opaque;
434 MuxDriver *d = chr->opaque;
437 /* Send the event to all registered listeners */
438 for (i = 0; i < d->mux_cnt; i++)
439 mux_chr_send_event(d, i, event);
442 static void mux_chr_update_read_handler(CharDriverState *chr)
444 MuxDriver *d = chr->opaque;
446 if (d->mux_cnt >= MAX_MUX) {
447 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
450 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
451 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
452 d->chr_read[d->mux_cnt] = chr->chr_read;
453 d->chr_event[d->mux_cnt] = chr->chr_event;
454 /* Fix up the real driver with mux routines */
455 if (d->mux_cnt == 0) {
456 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
459 chr->focus = d->mux_cnt;
463 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
465 CharDriverState *chr;
468 chr = qemu_mallocz(sizeof(CharDriverState));
469 d = qemu_mallocz(sizeof(MuxDriver));
474 chr->chr_write = mux_chr_write;
475 chr->chr_update_read_handler = mux_chr_update_read_handler;
476 chr->chr_accept_input = mux_chr_accept_input;
482 int send_all(int fd, const void *buf, int len1)
488 ret = send(fd, buf, len, 0);
490 errno = WSAGetLastError();
491 if (errno != WSAEWOULDBLOCK) {
494 } else if (ret == 0) {
506 static int unix_write(int fd, const uint8_t *buf, int len1)
512 ret = write(fd, buf, len);
514 if (errno != EINTR && errno != EAGAIN)
516 } else if (ret == 0) {
526 int send_all(int fd, const void *buf, int len1)
528 return unix_write(fd, buf, len1);
539 #define STDIO_MAX_CLIENTS 1
540 static int stdio_nb_clients = 0;
542 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
544 FDCharDriver *s = chr->opaque;
545 return send_all(s->fd_out, buf, len);
548 static int fd_chr_read_poll(void *opaque)
550 CharDriverState *chr = opaque;
551 FDCharDriver *s = chr->opaque;
553 s->max_size = qemu_chr_can_read(chr);
557 static void fd_chr_read(void *opaque)
559 CharDriverState *chr = opaque;
560 FDCharDriver *s = chr->opaque;
565 if (len > s->max_size)
569 size = read(s->fd_in, buf, len);
571 /* FD has been closed. Remove it from the active list. */
572 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
576 qemu_chr_read(chr, buf, size);
580 static void fd_chr_update_read_handler(CharDriverState *chr)
582 FDCharDriver *s = chr->opaque;
585 if (display_type == DT_NOGRAPHIC && s->fd_in == 0) {
587 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
588 fd_chr_read, NULL, chr);
593 static void fd_chr_close(struct CharDriverState *chr)
595 FDCharDriver *s = chr->opaque;
598 if (display_type == DT_NOGRAPHIC && s->fd_in == 0) {
600 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
607 /* open a character device to a unix fd */
608 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
610 CharDriverState *chr;
613 chr = qemu_mallocz(sizeof(CharDriverState));
614 s = qemu_mallocz(sizeof(FDCharDriver));
618 chr->chr_write = fd_chr_write;
619 chr->chr_update_read_handler = fd_chr_update_read_handler;
620 chr->chr_close = fd_chr_close;
627 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
631 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
634 return qemu_chr_open_fd(-1, fd_out);
637 static CharDriverState *qemu_chr_open_pipe(const char *filename)
640 char filename_in[256], filename_out[256];
642 snprintf(filename_in, 256, "%s.in", filename);
643 snprintf(filename_out, 256, "%s.out", filename);
644 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
645 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
646 if (fd_in < 0 || fd_out < 0) {
651 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
655 return qemu_chr_open_fd(fd_in, fd_out);
659 /* for STDIO, we handle the case where several clients use it
662 #define TERM_FIFO_MAX_SIZE 1
664 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
665 static int term_fifo_size;
667 static int stdio_read_poll(void *opaque)
669 CharDriverState *chr = opaque;
671 /* try to flush the queue if needed */
672 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
673 qemu_chr_read(chr, term_fifo, 1);
676 /* see if we can absorb more chars */
677 if (term_fifo_size == 0)
683 static void stdio_read(void *opaque)
687 CharDriverState *chr = opaque;
689 size = read(0, buf, 1);
691 /* stdin has been closed. Remove it from the active list. */
692 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
696 if (qemu_chr_can_read(chr) > 0) {
697 qemu_chr_read(chr, buf, 1);
698 } else if (term_fifo_size == 0) {
699 term_fifo[term_fifo_size++] = buf[0];
704 /* init terminal so that we can grab keys */
705 static struct termios oldtty;
706 static int old_fd0_flags;
707 static int term_atexit_done;
709 static void term_exit(void)
711 tcsetattr (0, TCSANOW, &oldtty);
712 fcntl(0, F_SETFL, old_fd0_flags);
715 static void term_init(void)
721 old_fd0_flags = fcntl(0, F_GETFL);
723 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
724 |INLCR|IGNCR|ICRNL|IXON);
725 tty.c_oflag |= OPOST;
726 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
727 /* if graphical mode, we allow Ctrl-C handling */
728 if (display_type == DT_NOGRAPHIC)
729 tty.c_lflag &= ~ISIG;
730 tty.c_cflag &= ~(CSIZE|PARENB);
735 tcsetattr (0, TCSANOW, &tty);
737 if (!term_atexit_done++)
740 fcntl(0, F_SETFL, O_NONBLOCK);
743 static void qemu_chr_close_stdio(struct CharDriverState *chr)
747 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
751 static CharDriverState *qemu_chr_open_stdio(void)
753 CharDriverState *chr;
755 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
757 chr = qemu_chr_open_fd(0, 1);
758 chr->chr_close = qemu_chr_close_stdio;
759 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
767 /* Once Solaris has openpty(), this is going to be removed. */
768 static int openpty(int *amaster, int *aslave, char *name,
769 struct termios *termp, struct winsize *winp)
772 int mfd = -1, sfd = -1;
774 *amaster = *aslave = -1;
776 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
780 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
783 if ((slave = ptsname(mfd)) == NULL)
786 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
789 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
790 (termp != NULL && tcgetattr(sfd, termp) < 0))
798 ioctl(sfd, TIOCSWINSZ, winp);
809 static void cfmakeraw (struct termios *termios_p)
811 termios_p->c_iflag &=
812 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
813 termios_p->c_oflag &= ~OPOST;
814 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
815 termios_p->c_cflag &= ~(CSIZE|PARENB);
816 termios_p->c_cflag |= CS8;
818 termios_p->c_cc[VMIN] = 0;
819 termios_p->c_cc[VTIME] = 0;
823 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
824 || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
834 static void pty_chr_update_read_handler(CharDriverState *chr);
835 static void pty_chr_state(CharDriverState *chr, int connected);
837 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
839 PtyCharDriver *s = chr->opaque;
842 /* guest sends data, check for (re-)connect */
843 pty_chr_update_read_handler(chr);
846 return send_all(s->fd, buf, len);
849 static int pty_chr_read_poll(void *opaque)
851 CharDriverState *chr = opaque;
852 PtyCharDriver *s = chr->opaque;
854 s->read_bytes = qemu_chr_can_read(chr);
855 return s->read_bytes;
858 static void pty_chr_read(void *opaque)
860 CharDriverState *chr = opaque;
861 PtyCharDriver *s = chr->opaque;
866 if (len > s->read_bytes)
870 size = read(s->fd, buf, len);
871 if ((size == -1 && errno == EIO) ||
873 pty_chr_state(chr, 0);
877 pty_chr_state(chr, 1);
878 qemu_chr_read(chr, buf, size);
882 static void pty_chr_update_read_handler(CharDriverState *chr)
884 PtyCharDriver *s = chr->opaque;
886 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
887 pty_chr_read, NULL, chr);
890 * Short timeout here: just need wait long enougth that qemu makes
891 * it through the poll loop once. When reconnected we want a
892 * short timeout so we notice it almost instantly. Otherwise
893 * read() gives us -EIO instantly, making pty_chr_state() reset the
894 * timeout to the normal (much longer) poll interval before the
897 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
900 static void pty_chr_state(CharDriverState *chr, int connected)
902 PtyCharDriver *s = chr->opaque;
905 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
908 /* (re-)connect poll interval for idle guests: once per second.
909 * We check more frequently in case the guests sends data to
910 * the virtual device linked to our pty. */
911 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
919 static void pty_chr_timer(void *opaque)
921 struct CharDriverState *chr = opaque;
922 PtyCharDriver *s = chr->opaque;
927 /* If we arrive here without polling being cleared due
928 * read returning -EIO, then we are (re-)connected */
929 pty_chr_state(chr, 1);
934 pty_chr_update_read_handler(chr);
937 static void pty_chr_close(struct CharDriverState *chr)
939 PtyCharDriver *s = chr->opaque;
941 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
943 qemu_del_timer(s->timer);
944 qemu_free_timer(s->timer);
948 static CharDriverState *qemu_chr_open_pty(void)
950 CharDriverState *chr;
954 #if defined(__OpenBSD__) || defined(__DragonFly__)
955 char pty_name[PATH_MAX];
956 #define q_ptsname(x) pty_name
958 char *pty_name = NULL;
959 #define q_ptsname(x) ptsname(x)
962 chr = qemu_mallocz(sizeof(CharDriverState));
963 s = qemu_mallocz(sizeof(PtyCharDriver));
965 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
969 /* Set raw attributes on the pty. */
970 tcgetattr(slave_fd, &tty);
972 tcsetattr(slave_fd, TCSAFLUSH, &tty);
975 len = strlen(q_ptsname(s->fd)) + 5;
976 chr->filename = qemu_malloc(len);
977 snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
978 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
981 chr->chr_write = pty_chr_write;
982 chr->chr_update_read_handler = pty_chr_update_read_handler;
983 chr->chr_close = pty_chr_close;
985 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
990 static void tty_serial_init(int fd, int speed,
991 int parity, int data_bits, int stop_bits)
997 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
998 speed, parity, data_bits, stop_bits);
1000 tcgetattr (fd, &tty);
1003 if (speed <= 50 * MARGIN)
1005 else if (speed <= 75 * MARGIN)
1007 else if (speed <= 300 * MARGIN)
1009 else if (speed <= 600 * MARGIN)
1011 else if (speed <= 1200 * MARGIN)
1013 else if (speed <= 2400 * MARGIN)
1015 else if (speed <= 4800 * MARGIN)
1017 else if (speed <= 9600 * MARGIN)
1019 else if (speed <= 19200 * MARGIN)
1021 else if (speed <= 38400 * MARGIN)
1023 else if (speed <= 57600 * MARGIN)
1025 else if (speed <= 115200 * MARGIN)
1030 cfsetispeed(&tty, spd);
1031 cfsetospeed(&tty, spd);
1033 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1034 |INLCR|IGNCR|ICRNL|IXON);
1035 tty.c_oflag |= OPOST;
1036 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1037 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1058 tty.c_cflag |= PARENB;
1061 tty.c_cflag |= PARENB | PARODD;
1065 tty.c_cflag |= CSTOPB;
1067 tcsetattr (fd, TCSANOW, &tty);
1070 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1072 FDCharDriver *s = chr->opaque;
1075 case CHR_IOCTL_SERIAL_SET_PARAMS:
1077 QEMUSerialSetParams *ssp = arg;
1078 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1079 ssp->data_bits, ssp->stop_bits);
1082 case CHR_IOCTL_SERIAL_SET_BREAK:
1084 int enable = *(int *)arg;
1086 tcsendbreak(s->fd_in, 1);
1089 case CHR_IOCTL_SERIAL_GET_TIOCM:
1092 int *targ = (int *)arg;
1093 ioctl(s->fd_in, TIOCMGET, &sarg);
1095 if (sarg & TIOCM_CTS)
1096 *targ |= CHR_TIOCM_CTS;
1097 if (sarg & TIOCM_CAR)
1098 *targ |= CHR_TIOCM_CAR;
1099 if (sarg & TIOCM_DSR)
1100 *targ |= CHR_TIOCM_DSR;
1101 if (sarg & TIOCM_RI)
1102 *targ |= CHR_TIOCM_RI;
1103 if (sarg & TIOCM_DTR)
1104 *targ |= CHR_TIOCM_DTR;
1105 if (sarg & TIOCM_RTS)
1106 *targ |= CHR_TIOCM_RTS;
1109 case CHR_IOCTL_SERIAL_SET_TIOCM:
1111 int sarg = *(int *)arg;
1113 ioctl(s->fd_in, TIOCMGET, &targ);
1114 targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
1115 | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
1116 if (sarg & CHR_TIOCM_CTS)
1118 if (sarg & CHR_TIOCM_CAR)
1120 if (sarg & CHR_TIOCM_DSR)
1122 if (sarg & CHR_TIOCM_RI)
1124 if (sarg & CHR_TIOCM_DTR)
1126 if (sarg & CHR_TIOCM_RTS)
1128 ioctl(s->fd_in, TIOCMSET, &targ);
1137 static CharDriverState *qemu_chr_open_tty(const char *filename)
1139 CharDriverState *chr;
1142 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
1143 tty_serial_init(fd, 115200, 'N', 8, 1);
1144 chr = qemu_chr_open_fd(fd, fd);
1149 chr->chr_ioctl = tty_serial_ioctl;
1150 qemu_chr_reset(chr);
1153 #else /* ! __linux__ && ! __sun__ */
1154 static CharDriverState *qemu_chr_open_pty(void)
1158 #endif /* __linux__ || __sun__ */
1160 #if defined(__linux__)
1164 } ParallelCharDriver;
1166 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1168 if (s->mode != mode) {
1170 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1177 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1179 ParallelCharDriver *drv = chr->opaque;
1184 case CHR_IOCTL_PP_READ_DATA:
1185 if (ioctl(fd, PPRDATA, &b) < 0)
1187 *(uint8_t *)arg = b;
1189 case CHR_IOCTL_PP_WRITE_DATA:
1190 b = *(uint8_t *)arg;
1191 if (ioctl(fd, PPWDATA, &b) < 0)
1194 case CHR_IOCTL_PP_READ_CONTROL:
1195 if (ioctl(fd, PPRCONTROL, &b) < 0)
1197 /* Linux gives only the lowest bits, and no way to know data
1198 direction! For better compatibility set the fixed upper
1200 *(uint8_t *)arg = b | 0xc0;
1202 case CHR_IOCTL_PP_WRITE_CONTROL:
1203 b = *(uint8_t *)arg;
1204 if (ioctl(fd, PPWCONTROL, &b) < 0)
1207 case CHR_IOCTL_PP_READ_STATUS:
1208 if (ioctl(fd, PPRSTATUS, &b) < 0)
1210 *(uint8_t *)arg = b;
1212 case CHR_IOCTL_PP_DATA_DIR:
1213 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
1216 case CHR_IOCTL_PP_EPP_READ_ADDR:
1217 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1218 struct ParallelIOArg *parg = arg;
1219 int n = read(fd, parg->buffer, parg->count);
1220 if (n != parg->count) {
1225 case CHR_IOCTL_PP_EPP_READ:
1226 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1227 struct ParallelIOArg *parg = arg;
1228 int n = read(fd, parg->buffer, parg->count);
1229 if (n != parg->count) {
1234 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1235 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1236 struct ParallelIOArg *parg = arg;
1237 int n = write(fd, parg->buffer, parg->count);
1238 if (n != parg->count) {
1243 case CHR_IOCTL_PP_EPP_WRITE:
1244 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1245 struct ParallelIOArg *parg = arg;
1246 int n = write(fd, parg->buffer, parg->count);
1247 if (n != parg->count) {
1258 static void pp_close(CharDriverState *chr)
1260 ParallelCharDriver *drv = chr->opaque;
1263 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
1264 ioctl(fd, PPRELEASE);
1269 static CharDriverState *qemu_chr_open_pp(const char *filename)
1271 CharDriverState *chr;
1272 ParallelCharDriver *drv;
1275 TFR(fd = open(filename, O_RDWR));
1279 if (ioctl(fd, PPCLAIM) < 0) {
1284 drv = qemu_mallocz(sizeof(ParallelCharDriver));
1286 drv->mode = IEEE1284_MODE_COMPAT;
1288 chr = qemu_mallocz(sizeof(CharDriverState));
1289 chr->chr_write = null_chr_write;
1290 chr->chr_ioctl = pp_ioctl;
1291 chr->chr_close = pp_close;
1294 qemu_chr_reset(chr);
1298 #endif /* __linux__ */
1300 #if defined(__FreeBSD__) || defined(__DragonFly__)
1301 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1303 int fd = (int)chr->opaque;
1307 case CHR_IOCTL_PP_READ_DATA:
1308 if (ioctl(fd, PPIGDATA, &b) < 0)
1310 *(uint8_t *)arg = b;
1312 case CHR_IOCTL_PP_WRITE_DATA:
1313 b = *(uint8_t *)arg;
1314 if (ioctl(fd, PPISDATA, &b) < 0)
1317 case CHR_IOCTL_PP_READ_CONTROL:
1318 if (ioctl(fd, PPIGCTRL, &b) < 0)
1320 *(uint8_t *)arg = b;
1322 case CHR_IOCTL_PP_WRITE_CONTROL:
1323 b = *(uint8_t *)arg;
1324 if (ioctl(fd, PPISCTRL, &b) < 0)
1327 case CHR_IOCTL_PP_READ_STATUS:
1328 if (ioctl(fd, PPIGSTATUS, &b) < 0)
1330 *(uint8_t *)arg = b;
1338 static CharDriverState *qemu_chr_open_pp(const char *filename)
1340 CharDriverState *chr;
1343 fd = open(filename, O_RDWR);
1347 chr = qemu_mallocz(sizeof(CharDriverState));
1348 chr->opaque = (void *)fd;
1349 chr->chr_write = null_chr_write;
1350 chr->chr_ioctl = pp_ioctl;
1359 HANDLE hcom, hrecv, hsend;
1360 OVERLAPPED orecv, osend;
1365 #define NSENDBUF 2048
1366 #define NRECVBUF 2048
1367 #define MAXCONNECT 1
1368 #define NTIMEOUT 5000
1370 static int win_chr_poll(void *opaque);
1371 static int win_chr_pipe_poll(void *opaque);
1373 static void win_chr_close(CharDriverState *chr)
1375 WinCharState *s = chr->opaque;
1378 CloseHandle(s->hsend);
1382 CloseHandle(s->hrecv);
1386 CloseHandle(s->hcom);
1390 qemu_del_polling_cb(win_chr_pipe_poll, chr);
1392 qemu_del_polling_cb(win_chr_poll, chr);
1395 static int win_chr_init(CharDriverState *chr, const char *filename)
1397 WinCharState *s = chr->opaque;
1399 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1404 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1406 fprintf(stderr, "Failed CreateEvent\n");
1409 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1411 fprintf(stderr, "Failed CreateEvent\n");
1415 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1416 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1417 if (s->hcom == INVALID_HANDLE_VALUE) {
1418 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1423 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1424 fprintf(stderr, "Failed SetupComm\n");
1428 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1429 size = sizeof(COMMCONFIG);
1430 GetDefaultCommConfig(filename, &comcfg, &size);
1431 comcfg.dcb.DCBlength = sizeof(DCB);
1432 CommConfigDialog(filename, NULL, &comcfg);
1434 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1435 fprintf(stderr, "Failed SetCommState\n");
1439 if (!SetCommMask(s->hcom, EV_ERR)) {
1440 fprintf(stderr, "Failed SetCommMask\n");
1444 cto.ReadIntervalTimeout = MAXDWORD;
1445 if (!SetCommTimeouts(s->hcom, &cto)) {
1446 fprintf(stderr, "Failed SetCommTimeouts\n");
1450 if (!ClearCommError(s->hcom, &err, &comstat)) {
1451 fprintf(stderr, "Failed ClearCommError\n");
1454 qemu_add_polling_cb(win_chr_poll, chr);
1462 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1464 WinCharState *s = chr->opaque;
1465 DWORD len, ret, size, err;
1468 ZeroMemory(&s->osend, sizeof(s->osend));
1469 s->osend.hEvent = s->hsend;
1472 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1474 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1476 err = GetLastError();
1477 if (err == ERROR_IO_PENDING) {
1478 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1496 static int win_chr_read_poll(CharDriverState *chr)
1498 WinCharState *s = chr->opaque;
1500 s->max_size = qemu_chr_can_read(chr);
1504 static void win_chr_readfile(CharDriverState *chr)
1506 WinCharState *s = chr->opaque;
1511 ZeroMemory(&s->orecv, sizeof(s->orecv));
1512 s->orecv.hEvent = s->hrecv;
1513 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1515 err = GetLastError();
1516 if (err == ERROR_IO_PENDING) {
1517 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1522 qemu_chr_read(chr, buf, size);
1526 static void win_chr_read(CharDriverState *chr)
1528 WinCharState *s = chr->opaque;
1530 if (s->len > s->max_size)
1531 s->len = s->max_size;
1535 win_chr_readfile(chr);
1538 static int win_chr_poll(void *opaque)
1540 CharDriverState *chr = opaque;
1541 WinCharState *s = chr->opaque;
1545 ClearCommError(s->hcom, &comerr, &status);
1546 if (status.cbInQue > 0) {
1547 s->len = status.cbInQue;
1548 win_chr_read_poll(chr);
1555 static CharDriverState *qemu_chr_open_win(const char *filename)
1557 CharDriverState *chr;
1560 chr = qemu_mallocz(sizeof(CharDriverState));
1561 s = qemu_mallocz(sizeof(WinCharState));
1563 chr->chr_write = win_chr_write;
1564 chr->chr_close = win_chr_close;
1566 if (win_chr_init(chr, filename) < 0) {
1571 qemu_chr_reset(chr);
1575 static int win_chr_pipe_poll(void *opaque)
1577 CharDriverState *chr = opaque;
1578 WinCharState *s = chr->opaque;
1581 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1584 win_chr_read_poll(chr);
1591 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
1593 WinCharState *s = chr->opaque;
1601 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1603 fprintf(stderr, "Failed CreateEvent\n");
1606 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1608 fprintf(stderr, "Failed CreateEvent\n");
1612 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
1613 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
1614 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
1616 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
1617 if (s->hcom == INVALID_HANDLE_VALUE) {
1618 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1623 ZeroMemory(&ov, sizeof(ov));
1624 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
1625 ret = ConnectNamedPipe(s->hcom, &ov);
1627 fprintf(stderr, "Failed ConnectNamedPipe\n");
1631 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
1633 fprintf(stderr, "Failed GetOverlappedResult\n");
1635 CloseHandle(ov.hEvent);
1642 CloseHandle(ov.hEvent);
1645 qemu_add_polling_cb(win_chr_pipe_poll, chr);
1654 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
1656 CharDriverState *chr;
1659 chr = qemu_mallocz(sizeof(CharDriverState));
1660 s = qemu_mallocz(sizeof(WinCharState));
1662 chr->chr_write = win_chr_write;
1663 chr->chr_close = win_chr_close;
1665 if (win_chr_pipe_init(chr, filename) < 0) {
1670 qemu_chr_reset(chr);
1674 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
1676 CharDriverState *chr;
1679 chr = qemu_mallocz(sizeof(CharDriverState));
1680 s = qemu_mallocz(sizeof(WinCharState));
1683 chr->chr_write = win_chr_write;
1684 qemu_chr_reset(chr);
1688 static CharDriverState *qemu_chr_open_win_con(const char *filename)
1690 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
1693 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
1697 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
1698 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1699 if (fd_out == INVALID_HANDLE_VALUE)
1702 return qemu_chr_open_win_file(fd_out);
1704 #endif /* !_WIN32 */
1706 /***********************************************************/
1707 /* UDP Net console */
1711 struct sockaddr_in daddr;
1718 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1720 NetCharDriver *s = chr->opaque;
1722 return sendto(s->fd, (const void *)buf, len, 0,
1723 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
1726 static int udp_chr_read_poll(void *opaque)
1728 CharDriverState *chr = opaque;
1729 NetCharDriver *s = chr->opaque;
1731 s->max_size = qemu_chr_can_read(chr);
1733 /* If there were any stray characters in the queue process them
1736 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1737 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1739 s->max_size = qemu_chr_can_read(chr);
1744 static void udp_chr_read(void *opaque)
1746 CharDriverState *chr = opaque;
1747 NetCharDriver *s = chr->opaque;
1749 if (s->max_size == 0)
1751 s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0);
1752 s->bufptr = s->bufcnt;
1757 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1758 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1760 s->max_size = qemu_chr_can_read(chr);
1764 static void udp_chr_update_read_handler(CharDriverState *chr)
1766 NetCharDriver *s = chr->opaque;
1769 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
1770 udp_chr_read, NULL, chr);
1774 static void udp_chr_close(CharDriverState *chr)
1776 NetCharDriver *s = chr->opaque;
1778 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1784 static CharDriverState *qemu_chr_open_udp(const char *def)
1786 CharDriverState *chr = NULL;
1787 NetCharDriver *s = NULL;
1789 struct sockaddr_in saddr;
1791 chr = qemu_mallocz(sizeof(CharDriverState));
1792 s = qemu_mallocz(sizeof(NetCharDriver));
1794 fd = socket(PF_INET, SOCK_DGRAM, 0);
1796 perror("socket(PF_INET, SOCK_DGRAM)");
1800 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
1801 printf("Could not parse: %s\n", def);
1805 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
1815 chr->chr_write = udp_chr_write;
1816 chr->chr_update_read_handler = udp_chr_update_read_handler;
1817 chr->chr_close = udp_chr_close;
1830 /***********************************************************/
1831 /* TCP Net console */
1843 static void tcp_chr_accept(void *opaque);
1845 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1847 TCPCharDriver *s = chr->opaque;
1849 return send_all(s->fd, buf, len);
1851 /* XXX: indicate an error ? */
1856 static int tcp_chr_read_poll(void *opaque)
1858 CharDriverState *chr = opaque;
1859 TCPCharDriver *s = chr->opaque;
1862 s->max_size = qemu_chr_can_read(chr);
1867 #define IAC_BREAK 243
1868 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
1870 uint8_t *buf, int *size)
1872 /* Handle any telnet client's basic IAC options to satisfy char by
1873 * char mode with no echo. All IAC options will be removed from
1874 * the buf and the do_telnetopt variable will be used to track the
1875 * state of the width of the IAC information.
1877 * IAC commands come in sets of 3 bytes with the exception of the
1878 * "IAC BREAK" command and the double IAC.
1884 for (i = 0; i < *size; i++) {
1885 if (s->do_telnetopt > 1) {
1886 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
1887 /* Double IAC means send an IAC */
1891 s->do_telnetopt = 1;
1893 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
1894 /* Handle IAC break commands by sending a serial break */
1895 qemu_chr_event(chr, CHR_EVENT_BREAK);
1900 if (s->do_telnetopt >= 4) {
1901 s->do_telnetopt = 1;
1904 if ((unsigned char)buf[i] == IAC) {
1905 s->do_telnetopt = 2;
1916 static int tcp_get_msgfd(CharDriverState *chr)
1918 TCPCharDriver *s = chr->opaque;
1924 static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg)
1926 TCPCharDriver *s = chr->opaque;
1927 struct cmsghdr *cmsg;
1929 for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
1932 if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) ||
1933 cmsg->cmsg_level != SOL_SOCKET ||
1934 cmsg->cmsg_type != SCM_RIGHTS)
1937 fd = *((int *)CMSG_DATA(cmsg));
1947 static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
1949 TCPCharDriver *s = chr->opaque;
1950 struct msghdr msg = { NULL, };
1951 struct iovec iov[1];
1953 struct cmsghdr cmsg;
1954 char control[CMSG_SPACE(sizeof(int))];
1958 iov[0].iov_base = buf;
1959 iov[0].iov_len = len;
1963 msg.msg_control = &msg_control;
1964 msg.msg_controllen = sizeof(msg_control);
1966 ret = recvmsg(s->fd, &msg, 0);
1967 if (ret > 0 && s->is_unix)
1968 unix_process_msgfd(chr, &msg);
1973 static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
1975 TCPCharDriver *s = chr->opaque;
1976 return recv(s->fd, buf, len, 0);
1980 static void tcp_chr_read(void *opaque)
1982 CharDriverState *chr = opaque;
1983 TCPCharDriver *s = chr->opaque;
1987 if (!s->connected || s->max_size <= 0)
1990 if (len > s->max_size)
1992 size = tcp_chr_recv(chr, (void *)buf, len);
1994 /* connection closed */
1996 if (s->listen_fd >= 0) {
1997 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
1999 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2002 } else if (size > 0) {
2003 if (s->do_telnetopt)
2004 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2006 qemu_chr_read(chr, buf, size);
2007 if (s->msgfd != -1) {
2014 static void tcp_chr_connect(void *opaque)
2016 CharDriverState *chr = opaque;
2017 TCPCharDriver *s = chr->opaque;
2020 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2021 tcp_chr_read, NULL, chr);
2022 qemu_chr_reset(chr);
2025 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2026 static void tcp_chr_telnet_init(int fd)
2029 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2030 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2031 send(fd, (char *)buf, 3, 0);
2032 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2033 send(fd, (char *)buf, 3, 0);
2034 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2035 send(fd, (char *)buf, 3, 0);
2036 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2037 send(fd, (char *)buf, 3, 0);
2040 static void socket_set_nodelay(int fd)
2043 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
2046 static void tcp_chr_accept(void *opaque)
2048 CharDriverState *chr = opaque;
2049 TCPCharDriver *s = chr->opaque;
2050 struct sockaddr_in saddr;
2052 struct sockaddr_un uaddr;
2054 struct sockaddr *addr;
2061 len = sizeof(uaddr);
2062 addr = (struct sockaddr *)&uaddr;
2066 len = sizeof(saddr);
2067 addr = (struct sockaddr *)&saddr;
2069 fd = accept(s->listen_fd, addr, &len);
2070 if (fd < 0 && errno != EINTR) {
2072 } else if (fd >= 0) {
2073 if (s->do_telnetopt)
2074 tcp_chr_telnet_init(fd);
2078 socket_set_nonblock(fd);
2080 socket_set_nodelay(fd);
2082 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2083 tcp_chr_connect(chr);
2086 static void tcp_chr_close(CharDriverState *chr)
2088 TCPCharDriver *s = chr->opaque;
2090 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2093 if (s->listen_fd >= 0) {
2094 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2095 closesocket(s->listen_fd);
2100 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2104 CharDriverState *chr = NULL;
2105 TCPCharDriver *s = NULL;
2106 int fd = -1, offset = 0;
2108 int is_waitconnect = 1;
2113 while((ptr = strchr(ptr,','))) {
2115 if (!strncmp(ptr,"server",6)) {
2117 } else if (!strncmp(ptr,"nowait",6)) {
2119 } else if (!strncmp(ptr,"nodelay",6)) {
2121 } else if (!strncmp(ptr,"to=",3)) {
2122 /* nothing, inet_listen() parses this one */;
2123 } else if (!strncmp(ptr,"ipv4",4)) {
2124 /* nothing, inet_connect() and inet_listen() parse this one */;
2125 } else if (!strncmp(ptr,"ipv6",4)) {
2126 /* nothing, inet_connect() and inet_listen() parse this one */;
2128 printf("Unknown option: %s\n", ptr);
2135 chr = qemu_mallocz(sizeof(CharDriverState));
2136 s = qemu_mallocz(sizeof(TCPCharDriver));
2139 chr->filename = qemu_malloc(256);
2141 pstrcpy(chr->filename, 256, "unix:");
2142 } else if (is_telnet) {
2143 pstrcpy(chr->filename, 256, "telnet:");
2145 pstrcpy(chr->filename, 256, "tcp:");
2147 offset = strlen(chr->filename);
2151 fd = unix_listen(host_str, chr->filename + offset, 256 - offset);
2153 fd = unix_connect(host_str);
2157 fd = inet_listen(host_str, chr->filename + offset, 256 - offset,
2160 fd = inet_connect(host_str, SOCK_STREAM);
2166 if (!is_waitconnect)
2167 socket_set_nonblock(fd);
2173 s->is_unix = is_unix;
2174 s->do_nodelay = do_nodelay && !is_unix;
2177 chr->chr_write = tcp_chr_write;
2178 chr->chr_close = tcp_chr_close;
2179 chr->get_msgfd = tcp_get_msgfd;
2183 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2185 s->do_telnetopt = 1;
2189 socket_set_nodelay(fd);
2190 tcp_chr_connect(chr);
2193 if (is_listen && is_waitconnect) {
2194 printf("QEMU waiting for connection on: %s\n",
2195 chr->filename ? chr->filename : host_str);
2196 tcp_chr_accept(chr);
2197 socket_set_nonblock(s->listen_fd);
2209 CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
2212 CharDriverState *chr;
2214 if (!strcmp(filename, "vc")) {
2215 chr = text_console_init(NULL);
2217 if (strstart(filename, "vc:", &p)) {
2218 chr = text_console_init(p);
2220 if (!strcmp(filename, "null")) {
2221 chr = qemu_chr_open_null();
2223 if (strstart(filename, "tcp:", &p)) {
2224 chr = qemu_chr_open_tcp(p, 0, 0);
2226 if (strstart(filename, "telnet:", &p)) {
2227 chr = qemu_chr_open_tcp(p, 1, 0);
2229 if (strstart(filename, "udp:", &p)) {
2230 chr = qemu_chr_open_udp(p);
2232 if (strstart(filename, "mon:", &p)) {
2233 chr = qemu_chr_open(label, p, NULL);
2235 chr = qemu_chr_open_mux(chr);
2236 monitor_init(chr, MONITOR_USE_READLINE);
2238 printf("Unable to open driver: %s\n", p);
2240 } else if (!strcmp(filename, "msmouse")) {
2241 chr = qemu_chr_open_msmouse();
2244 if (strstart(filename, "unix:", &p)) {
2245 chr = qemu_chr_open_tcp(p, 0, 1);
2246 } else if (strstart(filename, "file:", &p)) {
2247 chr = qemu_chr_open_file_out(p);
2248 } else if (strstart(filename, "pipe:", &p)) {
2249 chr = qemu_chr_open_pipe(p);
2250 } else if (!strcmp(filename, "pty")) {
2251 chr = qemu_chr_open_pty();
2252 } else if (!strcmp(filename, "stdio")) {
2253 chr = qemu_chr_open_stdio();
2255 #if defined(__linux__)
2256 if (strstart(filename, "/dev/parport", NULL)) {
2257 chr = qemu_chr_open_pp(filename);
2259 #elif defined(__FreeBSD__) || defined(__DragonFly__)
2260 if (strstart(filename, "/dev/ppi", NULL)) {
2261 chr = qemu_chr_open_pp(filename);
2264 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2265 || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
2266 if (strstart(filename, "/dev/", NULL)) {
2267 chr = qemu_chr_open_tty(filename);
2271 if (strstart(filename, "COM", NULL)) {
2272 chr = qemu_chr_open_win(filename);
2274 if (strstart(filename, "pipe:", &p)) {
2275 chr = qemu_chr_open_win_pipe(p);
2277 if (strstart(filename, "con:", NULL)) {
2278 chr = qemu_chr_open_win_con(filename);
2280 if (strstart(filename, "file:", &p)) {
2281 chr = qemu_chr_open_win_file_out(p);
2284 #ifdef CONFIG_BRLAPI
2285 if (!strcmp(filename, "braille")) {
2286 chr = chr_baum_init();
2295 chr->filename = qemu_strdup(filename);
2297 chr->label = qemu_strdup(label);
2298 TAILQ_INSERT_TAIL(&chardevs, chr, next);
2303 void qemu_chr_close(CharDriverState *chr)
2305 TAILQ_REMOVE(&chardevs, chr, next);
2307 chr->chr_close(chr);
2308 qemu_free(chr->filename);
2309 qemu_free(chr->label);
2313 void qemu_chr_info(Monitor *mon)
2315 CharDriverState *chr;
2317 TAILQ_FOREACH(chr, &chardevs, next) {
2318 monitor_printf(mon, "%s: filename=%s\n", chr->label, chr->filename);