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 void qemu_chr_event(CharDriverState *s, int event)
108 s->chr_event(s->handler_opaque, event);
111 static void qemu_chr_reset_bh(void *opaque)
113 CharDriverState *s = opaque;
114 qemu_chr_event(s, CHR_EVENT_RESET);
115 qemu_bh_delete(s->bh);
119 void qemu_chr_reset(CharDriverState *s)
122 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
123 qemu_bh_schedule(s->bh);
127 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
129 return s->chr_write(s, buf, len);
132 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
136 return s->chr_ioctl(s, cmd, arg);
139 int qemu_chr_can_read(CharDriverState *s)
141 if (!s->chr_can_read)
143 return s->chr_can_read(s->handler_opaque);
146 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
148 s->chr_read(s->handler_opaque, buf, len);
151 void qemu_chr_accept_input(CharDriverState *s)
153 if (s->chr_accept_input)
154 s->chr_accept_input(s);
157 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
162 vsnprintf(buf, sizeof(buf), fmt, ap);
163 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
167 void qemu_chr_send_event(CharDriverState *s, int event)
169 if (s->chr_send_event)
170 s->chr_send_event(s, event);
173 void qemu_chr_add_handlers(CharDriverState *s,
174 IOCanRWHandler *fd_can_read,
175 IOReadHandler *fd_read,
176 IOEventHandler *fd_event,
179 s->chr_can_read = fd_can_read;
180 s->chr_read = fd_read;
181 s->chr_event = fd_event;
182 s->handler_opaque = opaque;
183 if (s->chr_update_read_handler)
184 s->chr_update_read_handler(s);
187 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
192 static CharDriverState *qemu_chr_open_null(void)
194 CharDriverState *chr;
196 chr = qemu_mallocz(sizeof(CharDriverState));
197 chr->chr_write = null_chr_write;
201 /* MUX driver for serial I/O splitting */
202 static int term_timestamps;
203 static int64_t term_timestamps_start;
205 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
206 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
208 IOCanRWHandler *chr_can_read[MAX_MUX];
209 IOReadHandler *chr_read[MAX_MUX];
210 IOEventHandler *chr_event[MAX_MUX];
211 void *ext_opaque[MAX_MUX];
212 CharDriverState *drv;
213 unsigned char buffer[MUX_BUFFER_SIZE];
222 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
224 MuxDriver *d = chr->opaque;
226 if (!term_timestamps) {
227 ret = d->drv->chr_write(d->drv, buf, len);
232 for(i = 0; i < len; i++) {
233 ret += d->drv->chr_write(d->drv, buf+i, 1);
234 if (buf[i] == '\n') {
239 ti = qemu_get_clock(rt_clock);
240 if (term_timestamps_start == -1)
241 term_timestamps_start = ti;
242 ti -= term_timestamps_start;
244 snprintf(buf1, sizeof(buf1),
245 "[%02d:%02d:%02d.%03d] ",
250 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
257 static const char * const mux_help[] = {
258 "% h print this help\n\r",
259 "% x exit emulator\n\r",
260 "% s save disk data back to file (if -snapshot)\n\r",
261 "% t toggle console timestamps\n\r"
262 "% b send break (magic sysrq)\n\r",
263 "% c switch between console and monitor\n\r",
268 int term_escape_char = 0x01; /* ctrl-a is used for escape */
269 static void mux_print_help(CharDriverState *chr)
272 char ebuf[15] = "Escape-Char";
273 char cbuf[50] = "\n\r";
275 if (term_escape_char > 0 && term_escape_char < 26) {
276 snprintf(cbuf, sizeof(cbuf), "\n\r");
277 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
279 snprintf(cbuf, sizeof(cbuf),
280 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
283 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
284 for (i = 0; mux_help[i] != NULL; i++) {
285 for (j=0; mux_help[i][j] != '\0'; j++) {
286 if (mux_help[i][j] == '%')
287 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
289 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
294 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
296 if (d->term_got_escape) {
297 d->term_got_escape = 0;
298 if (ch == term_escape_char)
307 const char *term = "QEMU: Terminated\n\r";
308 chr->chr_write(chr,(uint8_t *)term,strlen(term));
315 for (i = 0; i < nb_drives; i++) {
316 bdrv_commit(drives_table[i].bdrv);
321 qemu_chr_event(chr, CHR_EVENT_BREAK);
324 /* Switch to the next registered device */
326 if (chr->focus >= d->mux_cnt)
330 term_timestamps = !term_timestamps;
331 term_timestamps_start = -1;
334 } else if (ch == term_escape_char) {
335 d->term_got_escape = 1;
343 static void mux_chr_accept_input(CharDriverState *chr)
346 MuxDriver *d = chr->opaque;
348 while (d->prod != d->cons &&
349 d->chr_can_read[m] &&
350 d->chr_can_read[m](d->ext_opaque[m])) {
351 d->chr_read[m](d->ext_opaque[m],
352 &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
356 static int mux_chr_can_read(void *opaque)
358 CharDriverState *chr = opaque;
359 MuxDriver *d = chr->opaque;
361 if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
363 if (d->chr_can_read[chr->focus])
364 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
368 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
370 CharDriverState *chr = opaque;
371 MuxDriver *d = chr->opaque;
375 mux_chr_accept_input (opaque);
377 for(i = 0; i < size; i++)
378 if (mux_proc_byte(chr, d, buf[i])) {
379 if (d->prod == d->cons &&
380 d->chr_can_read[m] &&
381 d->chr_can_read[m](d->ext_opaque[m]))
382 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
384 d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
388 static void mux_chr_event(void *opaque, int event)
390 CharDriverState *chr = opaque;
391 MuxDriver *d = chr->opaque;
394 /* Send the event to all registered listeners */
395 for (i = 0; i < d->mux_cnt; i++)
397 d->chr_event[i](d->ext_opaque[i], event);
400 static void mux_chr_update_read_handler(CharDriverState *chr)
402 MuxDriver *d = chr->opaque;
404 if (d->mux_cnt >= MAX_MUX) {
405 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
408 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
409 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
410 d->chr_read[d->mux_cnt] = chr->chr_read;
411 d->chr_event[d->mux_cnt] = chr->chr_event;
412 /* Fix up the real driver with mux routines */
413 if (d->mux_cnt == 0) {
414 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
417 chr->focus = d->mux_cnt;
421 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
423 CharDriverState *chr;
426 chr = qemu_mallocz(sizeof(CharDriverState));
427 d = qemu_mallocz(sizeof(MuxDriver));
432 chr->chr_write = mux_chr_write;
433 chr->chr_update_read_handler = mux_chr_update_read_handler;
434 chr->chr_accept_input = mux_chr_accept_input;
440 int send_all(int fd, const void *buf, int len1)
446 ret = send(fd, buf, len, 0);
448 errno = WSAGetLastError();
449 if (errno != WSAEWOULDBLOCK) {
452 } else if (ret == 0) {
464 static int unix_write(int fd, const uint8_t *buf, int len1)
470 ret = write(fd, buf, len);
472 if (errno != EINTR && errno != EAGAIN)
474 } else if (ret == 0) {
484 int send_all(int fd, const void *buf, int len1)
486 return unix_write(fd, buf, len1);
497 #define STDIO_MAX_CLIENTS 1
498 static int stdio_nb_clients = 0;
500 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
502 FDCharDriver *s = chr->opaque;
503 return send_all(s->fd_out, buf, len);
506 static int fd_chr_read_poll(void *opaque)
508 CharDriverState *chr = opaque;
509 FDCharDriver *s = chr->opaque;
511 s->max_size = qemu_chr_can_read(chr);
515 static void fd_chr_read(void *opaque)
517 CharDriverState *chr = opaque;
518 FDCharDriver *s = chr->opaque;
523 if (len > s->max_size)
527 size = read(s->fd_in, buf, len);
529 /* FD has been closed. Remove it from the active list. */
530 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
534 qemu_chr_read(chr, buf, size);
538 static void fd_chr_update_read_handler(CharDriverState *chr)
540 FDCharDriver *s = chr->opaque;
543 if (nographic && s->fd_in == 0) {
545 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
546 fd_chr_read, NULL, chr);
551 static void fd_chr_close(struct CharDriverState *chr)
553 FDCharDriver *s = chr->opaque;
556 if (nographic && s->fd_in == 0) {
558 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
565 /* open a character device to a unix fd */
566 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
568 CharDriverState *chr;
571 chr = qemu_mallocz(sizeof(CharDriverState));
572 s = qemu_mallocz(sizeof(FDCharDriver));
576 chr->chr_write = fd_chr_write;
577 chr->chr_update_read_handler = fd_chr_update_read_handler;
578 chr->chr_close = fd_chr_close;
585 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
589 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
592 return qemu_chr_open_fd(-1, fd_out);
595 static CharDriverState *qemu_chr_open_pipe(const char *filename)
598 char filename_in[256], filename_out[256];
600 snprintf(filename_in, 256, "%s.in", filename);
601 snprintf(filename_out, 256, "%s.out", filename);
602 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
603 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
604 if (fd_in < 0 || fd_out < 0) {
609 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
613 return qemu_chr_open_fd(fd_in, fd_out);
617 /* for STDIO, we handle the case where several clients use it
620 #define TERM_FIFO_MAX_SIZE 1
622 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
623 static int term_fifo_size;
625 static int stdio_read_poll(void *opaque)
627 CharDriverState *chr = opaque;
629 /* try to flush the queue if needed */
630 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
631 qemu_chr_read(chr, term_fifo, 1);
634 /* see if we can absorb more chars */
635 if (term_fifo_size == 0)
641 static void stdio_read(void *opaque)
645 CharDriverState *chr = opaque;
647 size = read(0, buf, 1);
649 /* stdin has been closed. Remove it from the active list. */
650 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
654 if (qemu_chr_can_read(chr) > 0) {
655 qemu_chr_read(chr, buf, 1);
656 } else if (term_fifo_size == 0) {
657 term_fifo[term_fifo_size++] = buf[0];
662 /* init terminal so that we can grab keys */
663 static struct termios oldtty;
664 static int old_fd0_flags;
665 static int term_atexit_done;
667 static void term_exit(void)
669 tcsetattr (0, TCSANOW, &oldtty);
670 fcntl(0, F_SETFL, old_fd0_flags);
673 static void term_init(void)
679 old_fd0_flags = fcntl(0, F_GETFL);
681 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
682 |INLCR|IGNCR|ICRNL|IXON);
683 tty.c_oflag |= OPOST;
684 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
685 /* if graphical mode, we allow Ctrl-C handling */
687 tty.c_lflag &= ~ISIG;
688 tty.c_cflag &= ~(CSIZE|PARENB);
693 tcsetattr (0, TCSANOW, &tty);
695 if (!term_atexit_done++)
698 fcntl(0, F_SETFL, O_NONBLOCK);
701 static void qemu_chr_close_stdio(struct CharDriverState *chr)
705 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
709 static CharDriverState *qemu_chr_open_stdio(void)
711 CharDriverState *chr;
713 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
715 chr = qemu_chr_open_fd(0, 1);
716 chr->chr_close = qemu_chr_close_stdio;
717 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
725 /* Once Solaris has openpty(), this is going to be removed. */
726 int openpty(int *amaster, int *aslave, char *name,
727 struct termios *termp, struct winsize *winp)
730 int mfd = -1, sfd = -1;
732 *amaster = *aslave = -1;
734 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
738 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
741 if ((slave = ptsname(mfd)) == NULL)
744 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
747 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
748 (termp != NULL && tcgetattr(sfd, termp) < 0))
756 ioctl(sfd, TIOCSWINSZ, winp);
767 void cfmakeraw (struct termios *termios_p)
769 termios_p->c_iflag &=
770 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
771 termios_p->c_oflag &= ~OPOST;
772 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
773 termios_p->c_cflag &= ~(CSIZE|PARENB);
774 termios_p->c_cflag |= CS8;
776 termios_p->c_cc[VMIN] = 0;
777 termios_p->c_cc[VTIME] = 0;
781 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
782 || defined(__NetBSD__) || defined(__OpenBSD__)
792 static void pty_chr_update_read_handler(CharDriverState *chr);
793 static void pty_chr_state(CharDriverState *chr, int connected);
795 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
797 PtyCharDriver *s = chr->opaque;
800 /* guest sends data, check for (re-)connect */
801 pty_chr_update_read_handler(chr);
804 return send_all(s->fd, buf, len);
807 static int pty_chr_read_poll(void *opaque)
809 CharDriverState *chr = opaque;
810 PtyCharDriver *s = chr->opaque;
812 s->read_bytes = qemu_chr_can_read(chr);
813 return s->read_bytes;
816 static void pty_chr_read(void *opaque)
818 CharDriverState *chr = opaque;
819 PtyCharDriver *s = chr->opaque;
824 if (len > s->read_bytes)
828 size = read(s->fd, buf, len);
829 if ((size == -1 && errno == EIO) ||
831 pty_chr_state(chr, 0);
835 pty_chr_state(chr, 1);
836 qemu_chr_read(chr, buf, size);
840 static void pty_chr_update_read_handler(CharDriverState *chr)
842 PtyCharDriver *s = chr->opaque;
844 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
845 pty_chr_read, NULL, chr);
848 * Short timeout here: just need wait long enougth that qemu makes
849 * it through the poll loop once. When reconnected we want a
850 * short timeout so we notice it almost instantly. Otherwise
851 * read() gives us -EIO instantly, making pty_chr_state() reset the
852 * timeout to the normal (much longer) poll interval before the
855 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
858 static void pty_chr_state(CharDriverState *chr, int connected)
860 PtyCharDriver *s = chr->opaque;
863 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
866 /* (re-)connect poll interval for idle guests: once per second.
867 * We check more frequently in case the guests sends data to
868 * the virtual device linked to our pty. */
869 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
877 static void pty_chr_timer(void *opaque)
879 struct CharDriverState *chr = opaque;
880 PtyCharDriver *s = chr->opaque;
885 /* If we arrive here without polling being cleared due
886 * read returning -EIO, then we are (re-)connected */
887 pty_chr_state(chr, 1);
892 pty_chr_update_read_handler(chr);
895 static void pty_chr_close(struct CharDriverState *chr)
897 PtyCharDriver *s = chr->opaque;
899 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
904 static CharDriverState *qemu_chr_open_pty(void)
906 CharDriverState *chr;
910 #if defined(__OpenBSD__)
911 char pty_name[PATH_MAX];
912 #define q_ptsname(x) pty_name
914 char *pty_name = NULL;
915 #define q_ptsname(x) ptsname(x)
918 chr = qemu_mallocz(sizeof(CharDriverState));
919 s = qemu_mallocz(sizeof(PtyCharDriver));
921 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
925 /* Set raw attributes on the pty. */
926 tcgetattr(slave_fd, &tty);
928 tcsetattr(slave_fd, TCSAFLUSH, &tty);
931 len = strlen(q_ptsname(s->fd)) + 5;
932 chr->filename = qemu_malloc(len);
933 snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
934 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
937 chr->chr_write = pty_chr_write;
938 chr->chr_update_read_handler = pty_chr_update_read_handler;
939 chr->chr_close = pty_chr_close;
941 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
946 static void tty_serial_init(int fd, int speed,
947 int parity, int data_bits, int stop_bits)
953 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
954 speed, parity, data_bits, stop_bits);
956 tcgetattr (fd, &tty);
959 if (speed <= 50 * MARGIN)
961 else if (speed <= 75 * MARGIN)
963 else if (speed <= 300 * MARGIN)
965 else if (speed <= 600 * MARGIN)
967 else if (speed <= 1200 * MARGIN)
969 else if (speed <= 2400 * MARGIN)
971 else if (speed <= 4800 * MARGIN)
973 else if (speed <= 9600 * MARGIN)
975 else if (speed <= 19200 * MARGIN)
977 else if (speed <= 38400 * MARGIN)
979 else if (speed <= 57600 * MARGIN)
981 else if (speed <= 115200 * MARGIN)
986 cfsetispeed(&tty, spd);
987 cfsetospeed(&tty, spd);
989 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
990 |INLCR|IGNCR|ICRNL|IXON);
991 tty.c_oflag |= OPOST;
992 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
993 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1014 tty.c_cflag |= PARENB;
1017 tty.c_cflag |= PARENB | PARODD;
1021 tty.c_cflag |= CSTOPB;
1023 tcsetattr (fd, TCSANOW, &tty);
1026 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1028 FDCharDriver *s = chr->opaque;
1031 case CHR_IOCTL_SERIAL_SET_PARAMS:
1033 QEMUSerialSetParams *ssp = arg;
1034 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1035 ssp->data_bits, ssp->stop_bits);
1038 case CHR_IOCTL_SERIAL_SET_BREAK:
1040 int enable = *(int *)arg;
1042 tcsendbreak(s->fd_in, 1);
1045 case CHR_IOCTL_SERIAL_GET_TIOCM:
1048 int *targ = (int *)arg;
1049 ioctl(s->fd_in, TIOCMGET, &sarg);
1051 if (sarg & TIOCM_CTS)
1052 *targ |= CHR_TIOCM_CTS;
1053 if (sarg & TIOCM_CAR)
1054 *targ |= CHR_TIOCM_CAR;
1055 if (sarg & TIOCM_DSR)
1056 *targ |= CHR_TIOCM_DSR;
1057 if (sarg & TIOCM_RI)
1058 *targ |= CHR_TIOCM_RI;
1059 if (sarg & TIOCM_DTR)
1060 *targ |= CHR_TIOCM_DTR;
1061 if (sarg & TIOCM_RTS)
1062 *targ |= CHR_TIOCM_RTS;
1065 case CHR_IOCTL_SERIAL_SET_TIOCM:
1067 int sarg = *(int *)arg;
1069 ioctl(s->fd_in, TIOCMGET, &targ);
1070 targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
1071 | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
1072 if (sarg & CHR_TIOCM_CTS)
1074 if (sarg & CHR_TIOCM_CAR)
1076 if (sarg & CHR_TIOCM_DSR)
1078 if (sarg & CHR_TIOCM_RI)
1080 if (sarg & CHR_TIOCM_DTR)
1082 if (sarg & CHR_TIOCM_RTS)
1084 ioctl(s->fd_in, TIOCMSET, &targ);
1093 static CharDriverState *qemu_chr_open_tty(const char *filename)
1095 CharDriverState *chr;
1098 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
1099 tty_serial_init(fd, 115200, 'N', 8, 1);
1100 chr = qemu_chr_open_fd(fd, fd);
1105 chr->chr_ioctl = tty_serial_ioctl;
1106 qemu_chr_reset(chr);
1109 #else /* ! __linux__ && ! __sun__ */
1110 static CharDriverState *qemu_chr_open_pty(void)
1114 #endif /* __linux__ || __sun__ */
1116 #if defined(__linux__)
1120 } ParallelCharDriver;
1122 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1124 if (s->mode != mode) {
1126 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1133 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1135 ParallelCharDriver *drv = chr->opaque;
1140 case CHR_IOCTL_PP_READ_DATA:
1141 if (ioctl(fd, PPRDATA, &b) < 0)
1143 *(uint8_t *)arg = b;
1145 case CHR_IOCTL_PP_WRITE_DATA:
1146 b = *(uint8_t *)arg;
1147 if (ioctl(fd, PPWDATA, &b) < 0)
1150 case CHR_IOCTL_PP_READ_CONTROL:
1151 if (ioctl(fd, PPRCONTROL, &b) < 0)
1153 /* Linux gives only the lowest bits, and no way to know data
1154 direction! For better compatibility set the fixed upper
1156 *(uint8_t *)arg = b | 0xc0;
1158 case CHR_IOCTL_PP_WRITE_CONTROL:
1159 b = *(uint8_t *)arg;
1160 if (ioctl(fd, PPWCONTROL, &b) < 0)
1163 case CHR_IOCTL_PP_READ_STATUS:
1164 if (ioctl(fd, PPRSTATUS, &b) < 0)
1166 *(uint8_t *)arg = b;
1168 case CHR_IOCTL_PP_DATA_DIR:
1169 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
1172 case CHR_IOCTL_PP_EPP_READ_ADDR:
1173 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1174 struct ParallelIOArg *parg = arg;
1175 int n = read(fd, parg->buffer, parg->count);
1176 if (n != parg->count) {
1181 case CHR_IOCTL_PP_EPP_READ:
1182 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1183 struct ParallelIOArg *parg = arg;
1184 int n = read(fd, parg->buffer, parg->count);
1185 if (n != parg->count) {
1190 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1191 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1192 struct ParallelIOArg *parg = arg;
1193 int n = write(fd, parg->buffer, parg->count);
1194 if (n != parg->count) {
1199 case CHR_IOCTL_PP_EPP_WRITE:
1200 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1201 struct ParallelIOArg *parg = arg;
1202 int n = write(fd, parg->buffer, parg->count);
1203 if (n != parg->count) {
1214 static void pp_close(CharDriverState *chr)
1216 ParallelCharDriver *drv = chr->opaque;
1219 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
1220 ioctl(fd, PPRELEASE);
1225 static CharDriverState *qemu_chr_open_pp(const char *filename)
1227 CharDriverState *chr;
1228 ParallelCharDriver *drv;
1231 TFR(fd = open(filename, O_RDWR));
1235 if (ioctl(fd, PPCLAIM) < 0) {
1240 drv = qemu_mallocz(sizeof(ParallelCharDriver));
1242 drv->mode = IEEE1284_MODE_COMPAT;
1244 chr = qemu_mallocz(sizeof(CharDriverState));
1245 chr->chr_write = null_chr_write;
1246 chr->chr_ioctl = pp_ioctl;
1247 chr->chr_close = pp_close;
1250 qemu_chr_reset(chr);
1254 #endif /* __linux__ */
1256 #if defined(__FreeBSD__)
1257 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1259 int fd = (int)chr->opaque;
1263 case CHR_IOCTL_PP_READ_DATA:
1264 if (ioctl(fd, PPIGDATA, &b) < 0)
1266 *(uint8_t *)arg = b;
1268 case CHR_IOCTL_PP_WRITE_DATA:
1269 b = *(uint8_t *)arg;
1270 if (ioctl(fd, PPISDATA, &b) < 0)
1273 case CHR_IOCTL_PP_READ_CONTROL:
1274 if (ioctl(fd, PPIGCTRL, &b) < 0)
1276 *(uint8_t *)arg = b;
1278 case CHR_IOCTL_PP_WRITE_CONTROL:
1279 b = *(uint8_t *)arg;
1280 if (ioctl(fd, PPISCTRL, &b) < 0)
1283 case CHR_IOCTL_PP_READ_STATUS:
1284 if (ioctl(fd, PPIGSTATUS, &b) < 0)
1286 *(uint8_t *)arg = b;
1294 static CharDriverState *qemu_chr_open_pp(const char *filename)
1296 CharDriverState *chr;
1299 fd = open(filename, O_RDWR);
1303 chr = qemu_mallocz(sizeof(CharDriverState));
1304 chr->opaque = (void *)fd;
1305 chr->chr_write = null_chr_write;
1306 chr->chr_ioctl = pp_ioctl;
1315 HANDLE hcom, hrecv, hsend;
1316 OVERLAPPED orecv, osend;
1321 #define NSENDBUF 2048
1322 #define NRECVBUF 2048
1323 #define MAXCONNECT 1
1324 #define NTIMEOUT 5000
1326 static int win_chr_poll(void *opaque);
1327 static int win_chr_pipe_poll(void *opaque);
1329 static void win_chr_close(CharDriverState *chr)
1331 WinCharState *s = chr->opaque;
1334 CloseHandle(s->hsend);
1338 CloseHandle(s->hrecv);
1342 CloseHandle(s->hcom);
1346 qemu_del_polling_cb(win_chr_pipe_poll, chr);
1348 qemu_del_polling_cb(win_chr_poll, chr);
1351 static int win_chr_init(CharDriverState *chr, const char *filename)
1353 WinCharState *s = chr->opaque;
1355 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1360 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1362 fprintf(stderr, "Failed CreateEvent\n");
1365 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1367 fprintf(stderr, "Failed CreateEvent\n");
1371 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1372 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1373 if (s->hcom == INVALID_HANDLE_VALUE) {
1374 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1379 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1380 fprintf(stderr, "Failed SetupComm\n");
1384 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1385 size = sizeof(COMMCONFIG);
1386 GetDefaultCommConfig(filename, &comcfg, &size);
1387 comcfg.dcb.DCBlength = sizeof(DCB);
1388 CommConfigDialog(filename, NULL, &comcfg);
1390 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1391 fprintf(stderr, "Failed SetCommState\n");
1395 if (!SetCommMask(s->hcom, EV_ERR)) {
1396 fprintf(stderr, "Failed SetCommMask\n");
1400 cto.ReadIntervalTimeout = MAXDWORD;
1401 if (!SetCommTimeouts(s->hcom, &cto)) {
1402 fprintf(stderr, "Failed SetCommTimeouts\n");
1406 if (!ClearCommError(s->hcom, &err, &comstat)) {
1407 fprintf(stderr, "Failed ClearCommError\n");
1410 qemu_add_polling_cb(win_chr_poll, chr);
1418 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1420 WinCharState *s = chr->opaque;
1421 DWORD len, ret, size, err;
1424 ZeroMemory(&s->osend, sizeof(s->osend));
1425 s->osend.hEvent = s->hsend;
1428 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1430 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1432 err = GetLastError();
1433 if (err == ERROR_IO_PENDING) {
1434 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1452 static int win_chr_read_poll(CharDriverState *chr)
1454 WinCharState *s = chr->opaque;
1456 s->max_size = qemu_chr_can_read(chr);
1460 static void win_chr_readfile(CharDriverState *chr)
1462 WinCharState *s = chr->opaque;
1467 ZeroMemory(&s->orecv, sizeof(s->orecv));
1468 s->orecv.hEvent = s->hrecv;
1469 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1471 err = GetLastError();
1472 if (err == ERROR_IO_PENDING) {
1473 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1478 qemu_chr_read(chr, buf, size);
1482 static void win_chr_read(CharDriverState *chr)
1484 WinCharState *s = chr->opaque;
1486 if (s->len > s->max_size)
1487 s->len = s->max_size;
1491 win_chr_readfile(chr);
1494 static int win_chr_poll(void *opaque)
1496 CharDriverState *chr = opaque;
1497 WinCharState *s = chr->opaque;
1501 ClearCommError(s->hcom, &comerr, &status);
1502 if (status.cbInQue > 0) {
1503 s->len = status.cbInQue;
1504 win_chr_read_poll(chr);
1511 static CharDriverState *qemu_chr_open_win(const char *filename)
1513 CharDriverState *chr;
1516 chr = qemu_mallocz(sizeof(CharDriverState));
1517 s = qemu_mallocz(sizeof(WinCharState));
1519 chr->chr_write = win_chr_write;
1520 chr->chr_close = win_chr_close;
1522 if (win_chr_init(chr, filename) < 0) {
1527 qemu_chr_reset(chr);
1531 static int win_chr_pipe_poll(void *opaque)
1533 CharDriverState *chr = opaque;
1534 WinCharState *s = chr->opaque;
1537 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1540 win_chr_read_poll(chr);
1547 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
1549 WinCharState *s = chr->opaque;
1557 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1559 fprintf(stderr, "Failed CreateEvent\n");
1562 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1564 fprintf(stderr, "Failed CreateEvent\n");
1568 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
1569 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
1570 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
1572 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
1573 if (s->hcom == INVALID_HANDLE_VALUE) {
1574 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1579 ZeroMemory(&ov, sizeof(ov));
1580 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
1581 ret = ConnectNamedPipe(s->hcom, &ov);
1583 fprintf(stderr, "Failed ConnectNamedPipe\n");
1587 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
1589 fprintf(stderr, "Failed GetOverlappedResult\n");
1591 CloseHandle(ov.hEvent);
1598 CloseHandle(ov.hEvent);
1601 qemu_add_polling_cb(win_chr_pipe_poll, chr);
1610 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
1612 CharDriverState *chr;
1615 chr = qemu_mallocz(sizeof(CharDriverState));
1616 s = qemu_mallocz(sizeof(WinCharState));
1618 chr->chr_write = win_chr_write;
1619 chr->chr_close = win_chr_close;
1621 if (win_chr_pipe_init(chr, filename) < 0) {
1626 qemu_chr_reset(chr);
1630 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
1632 CharDriverState *chr;
1635 chr = qemu_mallocz(sizeof(CharDriverState));
1636 s = qemu_mallocz(sizeof(WinCharState));
1639 chr->chr_write = win_chr_write;
1640 qemu_chr_reset(chr);
1644 static CharDriverState *qemu_chr_open_win_con(const char *filename)
1646 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
1649 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
1653 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
1654 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1655 if (fd_out == INVALID_HANDLE_VALUE)
1658 return qemu_chr_open_win_file(fd_out);
1660 #endif /* !_WIN32 */
1662 /***********************************************************/
1663 /* UDP Net console */
1667 struct sockaddr_in daddr;
1674 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1676 NetCharDriver *s = chr->opaque;
1678 return sendto(s->fd, buf, len, 0,
1679 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
1682 static int udp_chr_read_poll(void *opaque)
1684 CharDriverState *chr = opaque;
1685 NetCharDriver *s = chr->opaque;
1687 s->max_size = qemu_chr_can_read(chr);
1689 /* If there were any stray characters in the queue process them
1692 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1693 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1695 s->max_size = qemu_chr_can_read(chr);
1700 static void udp_chr_read(void *opaque)
1702 CharDriverState *chr = opaque;
1703 NetCharDriver *s = chr->opaque;
1705 if (s->max_size == 0)
1707 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
1708 s->bufptr = s->bufcnt;
1713 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1714 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1716 s->max_size = qemu_chr_can_read(chr);
1720 static void udp_chr_update_read_handler(CharDriverState *chr)
1722 NetCharDriver *s = chr->opaque;
1725 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
1726 udp_chr_read, NULL, chr);
1730 static CharDriverState *qemu_chr_open_udp(const char *def)
1732 CharDriverState *chr = NULL;
1733 NetCharDriver *s = NULL;
1735 struct sockaddr_in saddr;
1737 chr = qemu_mallocz(sizeof(CharDriverState));
1738 s = qemu_mallocz(sizeof(NetCharDriver));
1740 fd = socket(PF_INET, SOCK_DGRAM, 0);
1742 perror("socket(PF_INET, SOCK_DGRAM)");
1746 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
1747 printf("Could not parse: %s\n", def);
1751 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
1761 chr->chr_write = udp_chr_write;
1762 chr->chr_update_read_handler = udp_chr_update_read_handler;
1775 /***********************************************************/
1776 /* TCP Net console */
1787 static void tcp_chr_accept(void *opaque);
1789 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1791 TCPCharDriver *s = chr->opaque;
1793 return send_all(s->fd, buf, len);
1795 /* XXX: indicate an error ? */
1800 static int tcp_chr_read_poll(void *opaque)
1802 CharDriverState *chr = opaque;
1803 TCPCharDriver *s = chr->opaque;
1806 s->max_size = qemu_chr_can_read(chr);
1811 #define IAC_BREAK 243
1812 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
1814 uint8_t *buf, int *size)
1816 /* Handle any telnet client's basic IAC options to satisfy char by
1817 * char mode with no echo. All IAC options will be removed from
1818 * the buf and the do_telnetopt variable will be used to track the
1819 * state of the width of the IAC information.
1821 * IAC commands come in sets of 3 bytes with the exception of the
1822 * "IAC BREAK" command and the double IAC.
1828 for (i = 0; i < *size; i++) {
1829 if (s->do_telnetopt > 1) {
1830 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
1831 /* Double IAC means send an IAC */
1835 s->do_telnetopt = 1;
1837 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
1838 /* Handle IAC break commands by sending a serial break */
1839 qemu_chr_event(chr, CHR_EVENT_BREAK);
1844 if (s->do_telnetopt >= 4) {
1845 s->do_telnetopt = 1;
1848 if ((unsigned char)buf[i] == IAC) {
1849 s->do_telnetopt = 2;
1860 static void tcp_chr_read(void *opaque)
1862 CharDriverState *chr = opaque;
1863 TCPCharDriver *s = chr->opaque;
1867 if (!s->connected || s->max_size <= 0)
1870 if (len > s->max_size)
1872 size = recv(s->fd, buf, len, 0);
1874 /* connection closed */
1876 if (s->listen_fd >= 0) {
1877 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
1879 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1882 } else if (size > 0) {
1883 if (s->do_telnetopt)
1884 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
1886 qemu_chr_read(chr, buf, size);
1890 static void tcp_chr_connect(void *opaque)
1892 CharDriverState *chr = opaque;
1893 TCPCharDriver *s = chr->opaque;
1896 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
1897 tcp_chr_read, NULL, chr);
1898 qemu_chr_reset(chr);
1901 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
1902 static void tcp_chr_telnet_init(int fd)
1905 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
1906 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
1907 send(fd, (char *)buf, 3, 0);
1908 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
1909 send(fd, (char *)buf, 3, 0);
1910 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
1911 send(fd, (char *)buf, 3, 0);
1912 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
1913 send(fd, (char *)buf, 3, 0);
1916 static void socket_set_nodelay(int fd)
1919 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1922 static void tcp_chr_accept(void *opaque)
1924 CharDriverState *chr = opaque;
1925 TCPCharDriver *s = chr->opaque;
1926 struct sockaddr_in saddr;
1928 struct sockaddr_un uaddr;
1930 struct sockaddr *addr;
1937 len = sizeof(uaddr);
1938 addr = (struct sockaddr *)&uaddr;
1942 len = sizeof(saddr);
1943 addr = (struct sockaddr *)&saddr;
1945 fd = accept(s->listen_fd, addr, &len);
1946 if (fd < 0 && errno != EINTR) {
1948 } else if (fd >= 0) {
1949 if (s->do_telnetopt)
1950 tcp_chr_telnet_init(fd);
1954 socket_set_nonblock(fd);
1956 socket_set_nodelay(fd);
1958 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
1959 tcp_chr_connect(chr);
1962 static void tcp_chr_close(CharDriverState *chr)
1964 TCPCharDriver *s = chr->opaque;
1967 if (s->listen_fd >= 0)
1968 closesocket(s->listen_fd);
1972 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
1976 CharDriverState *chr = NULL;
1977 TCPCharDriver *s = NULL;
1978 int fd = -1, offset = 0;
1980 int is_waitconnect = 1;
1985 while((ptr = strchr(ptr,','))) {
1987 if (!strncmp(ptr,"server",6)) {
1989 } else if (!strncmp(ptr,"nowait",6)) {
1991 } else if (!strncmp(ptr,"nodelay",6)) {
1993 } else if (!strncmp(ptr,"to=",3)) {
1994 /* nothing, inet_listen() parses this one */;
1995 } else if (!strncmp(ptr,"ipv4",4)) {
1996 /* nothing, inet_connect() and inet_listen() parse this one */;
1997 } else if (!strncmp(ptr,"ipv6",4)) {
1998 /* nothing, inet_connect() and inet_listen() parse this one */;
2000 printf("Unknown option: %s\n", ptr);
2007 chr = qemu_mallocz(sizeof(CharDriverState));
2008 s = qemu_mallocz(sizeof(TCPCharDriver));
2011 chr->filename = qemu_malloc(256);
2013 pstrcpy(chr->filename, 256, "unix:");
2014 } else if (is_telnet) {
2015 pstrcpy(chr->filename, 256, "telnet:");
2017 pstrcpy(chr->filename, 256, "tcp:");
2019 offset = strlen(chr->filename);
2023 fd = unix_listen(host_str, chr->filename + offset, 256 - offset);
2025 fd = unix_connect(host_str);
2029 fd = inet_listen(host_str, chr->filename + offset, 256 - offset,
2032 fd = inet_connect(host_str, SOCK_STREAM);
2038 if (!is_waitconnect)
2039 socket_set_nonblock(fd);
2044 s->is_unix = is_unix;
2045 s->do_nodelay = do_nodelay && !is_unix;
2048 chr->chr_write = tcp_chr_write;
2049 chr->chr_close = tcp_chr_close;
2053 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2055 s->do_telnetopt = 1;
2059 socket_set_nodelay(fd);
2060 tcp_chr_connect(chr);
2063 if (is_listen && is_waitconnect) {
2064 printf("QEMU waiting for connection on: %s\n",
2065 chr->filename ? chr->filename : host_str);
2066 tcp_chr_accept(chr);
2067 socket_set_nonblock(s->listen_fd);
2079 static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs
2080 = TAILQ_HEAD_INITIALIZER(chardevs);
2082 CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
2085 CharDriverState *chr;
2087 if (!strcmp(filename, "vc")) {
2088 chr = text_console_init(0);
2090 if (strstart(filename, "vc:", &p)) {
2091 chr = text_console_init(p);
2093 if (!strcmp(filename, "null")) {
2094 chr = qemu_chr_open_null();
2096 if (strstart(filename, "tcp:", &p)) {
2097 chr = qemu_chr_open_tcp(p, 0, 0);
2099 if (strstart(filename, "telnet:", &p)) {
2100 chr = qemu_chr_open_tcp(p, 1, 0);
2102 if (strstart(filename, "udp:", &p)) {
2103 chr = qemu_chr_open_udp(p);
2105 if (strstart(filename, "mon:", &p)) {
2106 chr = qemu_chr_open(label, p, NULL);
2108 chr = qemu_chr_open_mux(chr);
2109 monitor_init(chr, !nographic);
2111 printf("Unable to open driver: %s\n", p);
2113 } else if (!strcmp(filename, "msmouse")) {
2114 chr = qemu_chr_open_msmouse();
2117 if (strstart(filename, "unix:", &p)) {
2118 chr = qemu_chr_open_tcp(p, 0, 1);
2119 } else if (strstart(filename, "file:", &p)) {
2120 chr = qemu_chr_open_file_out(p);
2121 } else if (strstart(filename, "pipe:", &p)) {
2122 chr = qemu_chr_open_pipe(p);
2123 } else if (!strcmp(filename, "pty")) {
2124 chr = qemu_chr_open_pty();
2125 } else if (!strcmp(filename, "stdio")) {
2126 chr = qemu_chr_open_stdio();
2128 #if defined(__linux__)
2129 if (strstart(filename, "/dev/parport", NULL)) {
2130 chr = qemu_chr_open_pp(filename);
2132 #elif defined(__FreeBSD__)
2133 if (strstart(filename, "/dev/ppi", NULL)) {
2134 chr = qemu_chr_open_pp(filename);
2137 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2138 || defined(__NetBSD__) || defined(__OpenBSD__)
2139 if (strstart(filename, "/dev/", NULL)) {
2140 chr = qemu_chr_open_tty(filename);
2144 if (strstart(filename, "COM", NULL)) {
2145 chr = qemu_chr_open_win(filename);
2147 if (strstart(filename, "pipe:", &p)) {
2148 chr = qemu_chr_open_win_pipe(p);
2150 if (strstart(filename, "con:", NULL)) {
2151 chr = qemu_chr_open_win_con(filename);
2153 if (strstart(filename, "file:", &p)) {
2154 chr = qemu_chr_open_win_file_out(p);
2157 #ifdef CONFIG_BRLAPI
2158 if (!strcmp(filename, "braille")) {
2159 chr = chr_baum_init();
2168 chr->filename = qemu_strdup(filename);
2170 chr->label = qemu_strdup(label);
2171 TAILQ_INSERT_TAIL(&chardevs, chr, next);
2176 void qemu_chr_close(CharDriverState *chr)
2178 TAILQ_REMOVE(&chardevs, chr, next);
2180 chr->chr_close(chr);
2181 qemu_free(chr->filename);
2182 qemu_free(chr->label);
2186 void qemu_chr_info(void)
2188 CharDriverState *chr;
2190 TAILQ_FOREACH(chr, &chardevs, next) {
2191 term_printf("%s: filename=%s\n", chr->label, chr->filename);