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 void qemu_chr_accept_input(CharDriverState *s)
173 if (s->chr_accept_input)
174 s->chr_accept_input(s);
177 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
182 vsnprintf(buf, sizeof(buf), fmt, ap);
183 qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
187 void qemu_chr_send_event(CharDriverState *s, int event)
189 if (s->chr_send_event)
190 s->chr_send_event(s, event);
193 void qemu_chr_add_handlers(CharDriverState *s,
194 IOCanRWHandler *fd_can_read,
195 IOReadHandler *fd_read,
196 IOEventHandler *fd_event,
199 s->chr_can_read = fd_can_read;
200 s->chr_read = fd_read;
201 s->chr_event = fd_event;
202 s->handler_opaque = opaque;
203 if (s->chr_update_read_handler)
204 s->chr_update_read_handler(s);
207 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
212 static CharDriverState *qemu_chr_open_null(void)
214 CharDriverState *chr;
216 chr = qemu_mallocz(sizeof(CharDriverState));
217 chr->chr_write = null_chr_write;
221 /* MUX driver for serial I/O splitting */
222 static int term_timestamps;
223 static int64_t term_timestamps_start;
225 #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
226 #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
228 IOCanRWHandler *chr_can_read[MAX_MUX];
229 IOReadHandler *chr_read[MAX_MUX];
230 IOEventHandler *chr_event[MAX_MUX];
231 void *ext_opaque[MAX_MUX];
232 CharDriverState *drv;
236 /* Intermediate input buffer allows to catch escape sequences even if the
237 currently active device is not accepting any input - but only until it
239 unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE];
245 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
247 MuxDriver *d = chr->opaque;
249 if (!term_timestamps) {
250 ret = d->drv->chr_write(d->drv, buf, len);
255 for(i = 0; i < len; i++) {
256 ret += d->drv->chr_write(d->drv, buf+i, 1);
257 if (buf[i] == '\n') {
262 ti = qemu_get_clock(rt_clock);
263 if (term_timestamps_start == -1)
264 term_timestamps_start = ti;
265 ti -= term_timestamps_start;
267 snprintf(buf1, sizeof(buf1),
268 "[%02d:%02d:%02d.%03d] ",
273 d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
280 static const char * const mux_help[] = {
281 "% h print this help\n\r",
282 "% x exit emulator\n\r",
283 "% s save disk data back to file (if -snapshot)\n\r",
284 "% t toggle console timestamps\n\r"
285 "% b send break (magic sysrq)\n\r",
286 "% c switch between console and monitor\n\r",
291 int term_escape_char = 0x01; /* ctrl-a is used for escape */
292 static void mux_print_help(CharDriverState *chr)
295 char ebuf[15] = "Escape-Char";
296 char cbuf[50] = "\n\r";
298 if (term_escape_char > 0 && term_escape_char < 26) {
299 snprintf(cbuf, sizeof(cbuf), "\n\r");
300 snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
302 snprintf(cbuf, sizeof(cbuf),
303 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
306 chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
307 for (i = 0; mux_help[i] != NULL; i++) {
308 for (j=0; mux_help[i][j] != '\0'; j++) {
309 if (mux_help[i][j] == '%')
310 chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
312 chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
317 static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event)
319 if (d->chr_event[mux_nr])
320 d->chr_event[mux_nr](d->ext_opaque[mux_nr], event);
323 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
325 if (d->term_got_escape) {
326 d->term_got_escape = 0;
327 if (ch == term_escape_char)
336 const char *term = "QEMU: Terminated\n\r";
337 chr->chr_write(chr,(uint8_t *)term,strlen(term));
344 for (i = 0; i < nb_drives; i++) {
345 bdrv_commit(drives_table[i].bdrv);
350 qemu_chr_event(chr, CHR_EVENT_BREAK);
353 /* Switch to the next registered device */
354 mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT);
356 if (chr->focus >= d->mux_cnt)
358 mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN);
361 term_timestamps = !term_timestamps;
362 term_timestamps_start = -1;
365 } else if (ch == term_escape_char) {
366 d->term_got_escape = 1;
374 static void mux_chr_accept_input(CharDriverState *chr)
377 MuxDriver *d = chr->opaque;
379 while (d->prod[m] != d->cons[m] &&
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],
383 &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1);
387 static int mux_chr_can_read(void *opaque)
389 CharDriverState *chr = opaque;
390 MuxDriver *d = chr->opaque;
393 if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE)
395 if (d->chr_can_read[m])
396 return d->chr_can_read[m](d->ext_opaque[m]);
400 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
402 CharDriverState *chr = opaque;
403 MuxDriver *d = chr->opaque;
407 mux_chr_accept_input (opaque);
409 for(i = 0; i < size; i++)
410 if (mux_proc_byte(chr, d, buf[i])) {
411 if (d->prod[m] == d->cons[m] &&
412 d->chr_can_read[m] &&
413 d->chr_can_read[m](d->ext_opaque[m]))
414 d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
416 d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i];
420 static void mux_chr_event(void *opaque, int event)
422 CharDriverState *chr = opaque;
423 MuxDriver *d = chr->opaque;
426 /* Send the event to all registered listeners */
427 for (i = 0; i < d->mux_cnt; i++)
428 mux_chr_send_event(d, i, event);
431 static void mux_chr_update_read_handler(CharDriverState *chr)
433 MuxDriver *d = chr->opaque;
435 if (d->mux_cnt >= MAX_MUX) {
436 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
439 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
440 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
441 d->chr_read[d->mux_cnt] = chr->chr_read;
442 d->chr_event[d->mux_cnt] = chr->chr_event;
443 /* Fix up the real driver with mux routines */
444 if (d->mux_cnt == 0) {
445 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
448 chr->focus = d->mux_cnt;
452 static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
454 CharDriverState *chr;
457 chr = qemu_mallocz(sizeof(CharDriverState));
458 d = qemu_mallocz(sizeof(MuxDriver));
463 chr->chr_write = mux_chr_write;
464 chr->chr_update_read_handler = mux_chr_update_read_handler;
465 chr->chr_accept_input = mux_chr_accept_input;
471 int send_all(int fd, const void *buf, int len1)
477 ret = send(fd, buf, len, 0);
479 errno = WSAGetLastError();
480 if (errno != WSAEWOULDBLOCK) {
483 } else if (ret == 0) {
495 static int unix_write(int fd, const uint8_t *buf, int len1)
501 ret = write(fd, buf, len);
503 if (errno != EINTR && errno != EAGAIN)
505 } else if (ret == 0) {
515 int send_all(int fd, const void *buf, int len1)
517 return unix_write(fd, buf, len1);
528 #define STDIO_MAX_CLIENTS 1
529 static int stdio_nb_clients = 0;
531 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
533 FDCharDriver *s = chr->opaque;
534 return send_all(s->fd_out, buf, len);
537 static int fd_chr_read_poll(void *opaque)
539 CharDriverState *chr = opaque;
540 FDCharDriver *s = chr->opaque;
542 s->max_size = qemu_chr_can_read(chr);
546 static void fd_chr_read(void *opaque)
548 CharDriverState *chr = opaque;
549 FDCharDriver *s = chr->opaque;
554 if (len > s->max_size)
558 size = read(s->fd_in, buf, len);
560 /* FD has been closed. Remove it from the active list. */
561 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
565 qemu_chr_read(chr, buf, size);
569 static void fd_chr_update_read_handler(CharDriverState *chr)
571 FDCharDriver *s = chr->opaque;
574 if (display_type == DT_NOGRAPHIC && s->fd_in == 0) {
576 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
577 fd_chr_read, NULL, chr);
582 static void fd_chr_close(struct CharDriverState *chr)
584 FDCharDriver *s = chr->opaque;
587 if (display_type == DT_NOGRAPHIC && s->fd_in == 0) {
589 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
596 /* open a character device to a unix fd */
597 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
599 CharDriverState *chr;
602 chr = qemu_mallocz(sizeof(CharDriverState));
603 s = qemu_mallocz(sizeof(FDCharDriver));
607 chr->chr_write = fd_chr_write;
608 chr->chr_update_read_handler = fd_chr_update_read_handler;
609 chr->chr_close = fd_chr_close;
616 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
620 TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
623 return qemu_chr_open_fd(-1, fd_out);
626 static CharDriverState *qemu_chr_open_pipe(const char *filename)
629 char filename_in[256], filename_out[256];
631 snprintf(filename_in, 256, "%s.in", filename);
632 snprintf(filename_out, 256, "%s.out", filename);
633 TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
634 TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
635 if (fd_in < 0 || fd_out < 0) {
640 TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
644 return qemu_chr_open_fd(fd_in, fd_out);
648 /* for STDIO, we handle the case where several clients use it
651 #define TERM_FIFO_MAX_SIZE 1
653 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
654 static int term_fifo_size;
656 static int stdio_read_poll(void *opaque)
658 CharDriverState *chr = opaque;
660 /* try to flush the queue if needed */
661 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
662 qemu_chr_read(chr, term_fifo, 1);
665 /* see if we can absorb more chars */
666 if (term_fifo_size == 0)
672 static void stdio_read(void *opaque)
676 CharDriverState *chr = opaque;
678 size = read(0, buf, 1);
680 /* stdin has been closed. Remove it from the active list. */
681 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
685 if (qemu_chr_can_read(chr) > 0) {
686 qemu_chr_read(chr, buf, 1);
687 } else if (term_fifo_size == 0) {
688 term_fifo[term_fifo_size++] = buf[0];
693 /* init terminal so that we can grab keys */
694 static struct termios oldtty;
695 static int old_fd0_flags;
696 static int term_atexit_done;
698 static void term_exit(void)
700 tcsetattr (0, TCSANOW, &oldtty);
701 fcntl(0, F_SETFL, old_fd0_flags);
704 static void term_init(void)
710 old_fd0_flags = fcntl(0, F_GETFL);
712 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
713 |INLCR|IGNCR|ICRNL|IXON);
714 tty.c_oflag |= OPOST;
715 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
716 /* if graphical mode, we allow Ctrl-C handling */
717 if (display_type == DT_NOGRAPHIC)
718 tty.c_lflag &= ~ISIG;
719 tty.c_cflag &= ~(CSIZE|PARENB);
724 tcsetattr (0, TCSANOW, &tty);
726 if (!term_atexit_done++)
729 fcntl(0, F_SETFL, O_NONBLOCK);
732 static void qemu_chr_close_stdio(struct CharDriverState *chr)
736 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
740 static CharDriverState *qemu_chr_open_stdio(void)
742 CharDriverState *chr;
744 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
746 chr = qemu_chr_open_fd(0, 1);
747 chr->chr_close = qemu_chr_close_stdio;
748 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
756 /* Once Solaris has openpty(), this is going to be removed. */
757 static int openpty(int *amaster, int *aslave, char *name,
758 struct termios *termp, struct winsize *winp)
761 int mfd = -1, sfd = -1;
763 *amaster = *aslave = -1;
765 mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
769 if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
772 if ((slave = ptsname(mfd)) == NULL)
775 if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
778 if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
779 (termp != NULL && tcgetattr(sfd, termp) < 0))
787 ioctl(sfd, TIOCSWINSZ, winp);
798 static void cfmakeraw (struct termios *termios_p)
800 termios_p->c_iflag &=
801 ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
802 termios_p->c_oflag &= ~OPOST;
803 termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
804 termios_p->c_cflag &= ~(CSIZE|PARENB);
805 termios_p->c_cflag |= CS8;
807 termios_p->c_cc[VMIN] = 0;
808 termios_p->c_cc[VTIME] = 0;
812 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
813 || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
823 static void pty_chr_update_read_handler(CharDriverState *chr);
824 static void pty_chr_state(CharDriverState *chr, int connected);
826 static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
828 PtyCharDriver *s = chr->opaque;
831 /* guest sends data, check for (re-)connect */
832 pty_chr_update_read_handler(chr);
835 return send_all(s->fd, buf, len);
838 static int pty_chr_read_poll(void *opaque)
840 CharDriverState *chr = opaque;
841 PtyCharDriver *s = chr->opaque;
843 s->read_bytes = qemu_chr_can_read(chr);
844 return s->read_bytes;
847 static void pty_chr_read(void *opaque)
849 CharDriverState *chr = opaque;
850 PtyCharDriver *s = chr->opaque;
855 if (len > s->read_bytes)
859 size = read(s->fd, buf, len);
860 if ((size == -1 && errno == EIO) ||
862 pty_chr_state(chr, 0);
866 pty_chr_state(chr, 1);
867 qemu_chr_read(chr, buf, size);
871 static void pty_chr_update_read_handler(CharDriverState *chr)
873 PtyCharDriver *s = chr->opaque;
875 qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
876 pty_chr_read, NULL, chr);
879 * Short timeout here: just need wait long enougth that qemu makes
880 * it through the poll loop once. When reconnected we want a
881 * short timeout so we notice it almost instantly. Otherwise
882 * read() gives us -EIO instantly, making pty_chr_state() reset the
883 * timeout to the normal (much longer) poll interval before the
886 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
889 static void pty_chr_state(CharDriverState *chr, int connected)
891 PtyCharDriver *s = chr->opaque;
894 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
897 /* (re-)connect poll interval for idle guests: once per second.
898 * We check more frequently in case the guests sends data to
899 * the virtual device linked to our pty. */
900 qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
908 static void pty_chr_timer(void *opaque)
910 struct CharDriverState *chr = opaque;
911 PtyCharDriver *s = chr->opaque;
916 /* If we arrive here without polling being cleared due
917 * read returning -EIO, then we are (re-)connected */
918 pty_chr_state(chr, 1);
923 pty_chr_update_read_handler(chr);
926 static void pty_chr_close(struct CharDriverState *chr)
928 PtyCharDriver *s = chr->opaque;
930 qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
932 qemu_del_timer(s->timer);
933 qemu_free_timer(s->timer);
937 static CharDriverState *qemu_chr_open_pty(void)
939 CharDriverState *chr;
943 #if defined(__OpenBSD__) || defined(__DragonFly__)
944 char pty_name[PATH_MAX];
945 #define q_ptsname(x) pty_name
947 char *pty_name = NULL;
948 #define q_ptsname(x) ptsname(x)
951 chr = qemu_mallocz(sizeof(CharDriverState));
952 s = qemu_mallocz(sizeof(PtyCharDriver));
954 if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
958 /* Set raw attributes on the pty. */
959 tcgetattr(slave_fd, &tty);
961 tcsetattr(slave_fd, TCSAFLUSH, &tty);
964 len = strlen(q_ptsname(s->fd)) + 5;
965 chr->filename = qemu_malloc(len);
966 snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
967 fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
970 chr->chr_write = pty_chr_write;
971 chr->chr_update_read_handler = pty_chr_update_read_handler;
972 chr->chr_close = pty_chr_close;
974 s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
979 static void tty_serial_init(int fd, int speed,
980 int parity, int data_bits, int stop_bits)
986 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
987 speed, parity, data_bits, stop_bits);
989 tcgetattr (fd, &tty);
992 if (speed <= 50 * MARGIN)
994 else if (speed <= 75 * MARGIN)
996 else if (speed <= 300 * MARGIN)
998 else if (speed <= 600 * MARGIN)
1000 else if (speed <= 1200 * MARGIN)
1002 else if (speed <= 2400 * MARGIN)
1004 else if (speed <= 4800 * MARGIN)
1006 else if (speed <= 9600 * MARGIN)
1008 else if (speed <= 19200 * MARGIN)
1010 else if (speed <= 38400 * MARGIN)
1012 else if (speed <= 57600 * MARGIN)
1014 else if (speed <= 115200 * MARGIN)
1019 cfsetispeed(&tty, spd);
1020 cfsetospeed(&tty, spd);
1022 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1023 |INLCR|IGNCR|ICRNL|IXON);
1024 tty.c_oflag |= OPOST;
1025 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1026 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1047 tty.c_cflag |= PARENB;
1050 tty.c_cflag |= PARENB | PARODD;
1054 tty.c_cflag |= CSTOPB;
1056 tcsetattr (fd, TCSANOW, &tty);
1059 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1061 FDCharDriver *s = chr->opaque;
1064 case CHR_IOCTL_SERIAL_SET_PARAMS:
1066 QEMUSerialSetParams *ssp = arg;
1067 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1068 ssp->data_bits, ssp->stop_bits);
1071 case CHR_IOCTL_SERIAL_SET_BREAK:
1073 int enable = *(int *)arg;
1075 tcsendbreak(s->fd_in, 1);
1078 case CHR_IOCTL_SERIAL_GET_TIOCM:
1081 int *targ = (int *)arg;
1082 ioctl(s->fd_in, TIOCMGET, &sarg);
1084 if (sarg & TIOCM_CTS)
1085 *targ |= CHR_TIOCM_CTS;
1086 if (sarg & TIOCM_CAR)
1087 *targ |= CHR_TIOCM_CAR;
1088 if (sarg & TIOCM_DSR)
1089 *targ |= CHR_TIOCM_DSR;
1090 if (sarg & TIOCM_RI)
1091 *targ |= CHR_TIOCM_RI;
1092 if (sarg & TIOCM_DTR)
1093 *targ |= CHR_TIOCM_DTR;
1094 if (sarg & TIOCM_RTS)
1095 *targ |= CHR_TIOCM_RTS;
1098 case CHR_IOCTL_SERIAL_SET_TIOCM:
1100 int sarg = *(int *)arg;
1102 ioctl(s->fd_in, TIOCMGET, &targ);
1103 targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
1104 | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
1105 if (sarg & CHR_TIOCM_CTS)
1107 if (sarg & CHR_TIOCM_CAR)
1109 if (sarg & CHR_TIOCM_DSR)
1111 if (sarg & CHR_TIOCM_RI)
1113 if (sarg & CHR_TIOCM_DTR)
1115 if (sarg & CHR_TIOCM_RTS)
1117 ioctl(s->fd_in, TIOCMSET, &targ);
1126 static CharDriverState *qemu_chr_open_tty(const char *filename)
1128 CharDriverState *chr;
1131 TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
1132 tty_serial_init(fd, 115200, 'N', 8, 1);
1133 chr = qemu_chr_open_fd(fd, fd);
1138 chr->chr_ioctl = tty_serial_ioctl;
1139 qemu_chr_reset(chr);
1142 #else /* ! __linux__ && ! __sun__ */
1143 static CharDriverState *qemu_chr_open_pty(void)
1147 #endif /* __linux__ || __sun__ */
1149 #if defined(__linux__)
1153 } ParallelCharDriver;
1155 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1157 if (s->mode != mode) {
1159 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1166 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1168 ParallelCharDriver *drv = chr->opaque;
1173 case CHR_IOCTL_PP_READ_DATA:
1174 if (ioctl(fd, PPRDATA, &b) < 0)
1176 *(uint8_t *)arg = b;
1178 case CHR_IOCTL_PP_WRITE_DATA:
1179 b = *(uint8_t *)arg;
1180 if (ioctl(fd, PPWDATA, &b) < 0)
1183 case CHR_IOCTL_PP_READ_CONTROL:
1184 if (ioctl(fd, PPRCONTROL, &b) < 0)
1186 /* Linux gives only the lowest bits, and no way to know data
1187 direction! For better compatibility set the fixed upper
1189 *(uint8_t *)arg = b | 0xc0;
1191 case CHR_IOCTL_PP_WRITE_CONTROL:
1192 b = *(uint8_t *)arg;
1193 if (ioctl(fd, PPWCONTROL, &b) < 0)
1196 case CHR_IOCTL_PP_READ_STATUS:
1197 if (ioctl(fd, PPRSTATUS, &b) < 0)
1199 *(uint8_t *)arg = b;
1201 case CHR_IOCTL_PP_DATA_DIR:
1202 if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
1205 case CHR_IOCTL_PP_EPP_READ_ADDR:
1206 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1207 struct ParallelIOArg *parg = arg;
1208 int n = read(fd, parg->buffer, parg->count);
1209 if (n != parg->count) {
1214 case CHR_IOCTL_PP_EPP_READ:
1215 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1216 struct ParallelIOArg *parg = arg;
1217 int n = read(fd, parg->buffer, parg->count);
1218 if (n != parg->count) {
1223 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1224 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1225 struct ParallelIOArg *parg = arg;
1226 int n = write(fd, parg->buffer, parg->count);
1227 if (n != parg->count) {
1232 case CHR_IOCTL_PP_EPP_WRITE:
1233 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1234 struct ParallelIOArg *parg = arg;
1235 int n = write(fd, parg->buffer, parg->count);
1236 if (n != parg->count) {
1247 static void pp_close(CharDriverState *chr)
1249 ParallelCharDriver *drv = chr->opaque;
1252 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
1253 ioctl(fd, PPRELEASE);
1258 static CharDriverState *qemu_chr_open_pp(const char *filename)
1260 CharDriverState *chr;
1261 ParallelCharDriver *drv;
1264 TFR(fd = open(filename, O_RDWR));
1268 if (ioctl(fd, PPCLAIM) < 0) {
1273 drv = qemu_mallocz(sizeof(ParallelCharDriver));
1275 drv->mode = IEEE1284_MODE_COMPAT;
1277 chr = qemu_mallocz(sizeof(CharDriverState));
1278 chr->chr_write = null_chr_write;
1279 chr->chr_ioctl = pp_ioctl;
1280 chr->chr_close = pp_close;
1283 qemu_chr_reset(chr);
1287 #endif /* __linux__ */
1289 #if defined(__FreeBSD__) || defined(__DragonFly__)
1290 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1292 int fd = (int)chr->opaque;
1296 case CHR_IOCTL_PP_READ_DATA:
1297 if (ioctl(fd, PPIGDATA, &b) < 0)
1299 *(uint8_t *)arg = b;
1301 case CHR_IOCTL_PP_WRITE_DATA:
1302 b = *(uint8_t *)arg;
1303 if (ioctl(fd, PPISDATA, &b) < 0)
1306 case CHR_IOCTL_PP_READ_CONTROL:
1307 if (ioctl(fd, PPIGCTRL, &b) < 0)
1309 *(uint8_t *)arg = b;
1311 case CHR_IOCTL_PP_WRITE_CONTROL:
1312 b = *(uint8_t *)arg;
1313 if (ioctl(fd, PPISCTRL, &b) < 0)
1316 case CHR_IOCTL_PP_READ_STATUS:
1317 if (ioctl(fd, PPIGSTATUS, &b) < 0)
1319 *(uint8_t *)arg = b;
1327 static CharDriverState *qemu_chr_open_pp(const char *filename)
1329 CharDriverState *chr;
1332 fd = open(filename, O_RDWR);
1336 chr = qemu_mallocz(sizeof(CharDriverState));
1337 chr->opaque = (void *)fd;
1338 chr->chr_write = null_chr_write;
1339 chr->chr_ioctl = pp_ioctl;
1348 HANDLE hcom, hrecv, hsend;
1349 OVERLAPPED orecv, osend;
1354 #define NSENDBUF 2048
1355 #define NRECVBUF 2048
1356 #define MAXCONNECT 1
1357 #define NTIMEOUT 5000
1359 static int win_chr_poll(void *opaque);
1360 static int win_chr_pipe_poll(void *opaque);
1362 static void win_chr_close(CharDriverState *chr)
1364 WinCharState *s = chr->opaque;
1367 CloseHandle(s->hsend);
1371 CloseHandle(s->hrecv);
1375 CloseHandle(s->hcom);
1379 qemu_del_polling_cb(win_chr_pipe_poll, chr);
1381 qemu_del_polling_cb(win_chr_poll, chr);
1384 static int win_chr_init(CharDriverState *chr, const char *filename)
1386 WinCharState *s = chr->opaque;
1388 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
1393 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1395 fprintf(stderr, "Failed CreateEvent\n");
1398 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1400 fprintf(stderr, "Failed CreateEvent\n");
1404 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
1405 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
1406 if (s->hcom == INVALID_HANDLE_VALUE) {
1407 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
1412 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
1413 fprintf(stderr, "Failed SetupComm\n");
1417 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
1418 size = sizeof(COMMCONFIG);
1419 GetDefaultCommConfig(filename, &comcfg, &size);
1420 comcfg.dcb.DCBlength = sizeof(DCB);
1421 CommConfigDialog(filename, NULL, &comcfg);
1423 if (!SetCommState(s->hcom, &comcfg.dcb)) {
1424 fprintf(stderr, "Failed SetCommState\n");
1428 if (!SetCommMask(s->hcom, EV_ERR)) {
1429 fprintf(stderr, "Failed SetCommMask\n");
1433 cto.ReadIntervalTimeout = MAXDWORD;
1434 if (!SetCommTimeouts(s->hcom, &cto)) {
1435 fprintf(stderr, "Failed SetCommTimeouts\n");
1439 if (!ClearCommError(s->hcom, &err, &comstat)) {
1440 fprintf(stderr, "Failed ClearCommError\n");
1443 qemu_add_polling_cb(win_chr_poll, chr);
1451 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
1453 WinCharState *s = chr->opaque;
1454 DWORD len, ret, size, err;
1457 ZeroMemory(&s->osend, sizeof(s->osend));
1458 s->osend.hEvent = s->hsend;
1461 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
1463 ret = WriteFile(s->hcom, buf, len, &size, NULL);
1465 err = GetLastError();
1466 if (err == ERROR_IO_PENDING) {
1467 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
1485 static int win_chr_read_poll(CharDriverState *chr)
1487 WinCharState *s = chr->opaque;
1489 s->max_size = qemu_chr_can_read(chr);
1493 static void win_chr_readfile(CharDriverState *chr)
1495 WinCharState *s = chr->opaque;
1500 ZeroMemory(&s->orecv, sizeof(s->orecv));
1501 s->orecv.hEvent = s->hrecv;
1502 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
1504 err = GetLastError();
1505 if (err == ERROR_IO_PENDING) {
1506 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
1511 qemu_chr_read(chr, buf, size);
1515 static void win_chr_read(CharDriverState *chr)
1517 WinCharState *s = chr->opaque;
1519 if (s->len > s->max_size)
1520 s->len = s->max_size;
1524 win_chr_readfile(chr);
1527 static int win_chr_poll(void *opaque)
1529 CharDriverState *chr = opaque;
1530 WinCharState *s = chr->opaque;
1534 ClearCommError(s->hcom, &comerr, &status);
1535 if (status.cbInQue > 0) {
1536 s->len = status.cbInQue;
1537 win_chr_read_poll(chr);
1544 static CharDriverState *qemu_chr_open_win(const char *filename)
1546 CharDriverState *chr;
1549 chr = qemu_mallocz(sizeof(CharDriverState));
1550 s = qemu_mallocz(sizeof(WinCharState));
1552 chr->chr_write = win_chr_write;
1553 chr->chr_close = win_chr_close;
1555 if (win_chr_init(chr, filename) < 0) {
1560 qemu_chr_reset(chr);
1564 static int win_chr_pipe_poll(void *opaque)
1566 CharDriverState *chr = opaque;
1567 WinCharState *s = chr->opaque;
1570 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
1573 win_chr_read_poll(chr);
1580 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
1582 WinCharState *s = chr->opaque;
1590 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
1592 fprintf(stderr, "Failed CreateEvent\n");
1595 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
1597 fprintf(stderr, "Failed CreateEvent\n");
1601 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
1602 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
1603 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
1605 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
1606 if (s->hcom == INVALID_HANDLE_VALUE) {
1607 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
1612 ZeroMemory(&ov, sizeof(ov));
1613 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
1614 ret = ConnectNamedPipe(s->hcom, &ov);
1616 fprintf(stderr, "Failed ConnectNamedPipe\n");
1620 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
1622 fprintf(stderr, "Failed GetOverlappedResult\n");
1624 CloseHandle(ov.hEvent);
1631 CloseHandle(ov.hEvent);
1634 qemu_add_polling_cb(win_chr_pipe_poll, chr);
1643 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
1645 CharDriverState *chr;
1648 chr = qemu_mallocz(sizeof(CharDriverState));
1649 s = qemu_mallocz(sizeof(WinCharState));
1651 chr->chr_write = win_chr_write;
1652 chr->chr_close = win_chr_close;
1654 if (win_chr_pipe_init(chr, filename) < 0) {
1659 qemu_chr_reset(chr);
1663 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
1665 CharDriverState *chr;
1668 chr = qemu_mallocz(sizeof(CharDriverState));
1669 s = qemu_mallocz(sizeof(WinCharState));
1672 chr->chr_write = win_chr_write;
1673 qemu_chr_reset(chr);
1677 static CharDriverState *qemu_chr_open_win_con(const char *filename)
1679 return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
1682 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
1686 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
1687 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1688 if (fd_out == INVALID_HANDLE_VALUE)
1691 return qemu_chr_open_win_file(fd_out);
1693 #endif /* !_WIN32 */
1695 /***********************************************************/
1696 /* UDP Net console */
1700 struct sockaddr_in daddr;
1707 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1709 NetCharDriver *s = chr->opaque;
1711 return sendto(s->fd, (const void *)buf, len, 0,
1712 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
1715 static int udp_chr_read_poll(void *opaque)
1717 CharDriverState *chr = opaque;
1718 NetCharDriver *s = chr->opaque;
1720 s->max_size = qemu_chr_can_read(chr);
1722 /* If there were any stray characters in the queue process them
1725 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1726 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1728 s->max_size = qemu_chr_can_read(chr);
1733 static void udp_chr_read(void *opaque)
1735 CharDriverState *chr = opaque;
1736 NetCharDriver *s = chr->opaque;
1738 if (s->max_size == 0)
1740 s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0);
1741 s->bufptr = s->bufcnt;
1746 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
1747 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
1749 s->max_size = qemu_chr_can_read(chr);
1753 static void udp_chr_update_read_handler(CharDriverState *chr)
1755 NetCharDriver *s = chr->opaque;
1758 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
1759 udp_chr_read, NULL, chr);
1763 static void udp_chr_close(CharDriverState *chr)
1765 NetCharDriver *s = chr->opaque;
1767 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1773 static CharDriverState *qemu_chr_open_udp(const char *def)
1775 CharDriverState *chr = NULL;
1776 NetCharDriver *s = NULL;
1778 struct sockaddr_in saddr;
1780 chr = qemu_mallocz(sizeof(CharDriverState));
1781 s = qemu_mallocz(sizeof(NetCharDriver));
1783 fd = socket(PF_INET, SOCK_DGRAM, 0);
1785 perror("socket(PF_INET, SOCK_DGRAM)");
1789 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
1790 printf("Could not parse: %s\n", def);
1794 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
1804 chr->chr_write = udp_chr_write;
1805 chr->chr_update_read_handler = udp_chr_update_read_handler;
1806 chr->chr_close = udp_chr_close;
1819 /***********************************************************/
1820 /* TCP Net console */
1831 static void tcp_chr_accept(void *opaque);
1833 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1835 TCPCharDriver *s = chr->opaque;
1837 return send_all(s->fd, buf, len);
1839 /* XXX: indicate an error ? */
1844 static int tcp_chr_read_poll(void *opaque)
1846 CharDriverState *chr = opaque;
1847 TCPCharDriver *s = chr->opaque;
1850 s->max_size = qemu_chr_can_read(chr);
1855 #define IAC_BREAK 243
1856 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
1858 uint8_t *buf, int *size)
1860 /* Handle any telnet client's basic IAC options to satisfy char by
1861 * char mode with no echo. All IAC options will be removed from
1862 * the buf and the do_telnetopt variable will be used to track the
1863 * state of the width of the IAC information.
1865 * IAC commands come in sets of 3 bytes with the exception of the
1866 * "IAC BREAK" command and the double IAC.
1872 for (i = 0; i < *size; i++) {
1873 if (s->do_telnetopt > 1) {
1874 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
1875 /* Double IAC means send an IAC */
1879 s->do_telnetopt = 1;
1881 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
1882 /* Handle IAC break commands by sending a serial break */
1883 qemu_chr_event(chr, CHR_EVENT_BREAK);
1888 if (s->do_telnetopt >= 4) {
1889 s->do_telnetopt = 1;
1892 if ((unsigned char)buf[i] == IAC) {
1893 s->do_telnetopt = 2;
1904 static void tcp_chr_read(void *opaque)
1906 CharDriverState *chr = opaque;
1907 TCPCharDriver *s = chr->opaque;
1911 if (!s->connected || s->max_size <= 0)
1914 if (len > s->max_size)
1916 size = recv(s->fd, (void *)buf, len, 0);
1918 /* connection closed */
1920 if (s->listen_fd >= 0) {
1921 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
1923 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
1926 } else if (size > 0) {
1927 if (s->do_telnetopt)
1928 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
1930 qemu_chr_read(chr, buf, size);
1934 static void tcp_chr_connect(void *opaque)
1936 CharDriverState *chr = opaque;
1937 TCPCharDriver *s = chr->opaque;
1940 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
1941 tcp_chr_read, NULL, chr);
1942 qemu_chr_reset(chr);
1945 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
1946 static void tcp_chr_telnet_init(int fd)
1949 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
1950 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
1951 send(fd, (char *)buf, 3, 0);
1952 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
1953 send(fd, (char *)buf, 3, 0);
1954 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
1955 send(fd, (char *)buf, 3, 0);
1956 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
1957 send(fd, (char *)buf, 3, 0);
1960 static void socket_set_nodelay(int fd)
1963 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
1966 static void tcp_chr_accept(void *opaque)
1968 CharDriverState *chr = opaque;
1969 TCPCharDriver *s = chr->opaque;
1970 struct sockaddr_in saddr;
1972 struct sockaddr_un uaddr;
1974 struct sockaddr *addr;
1981 len = sizeof(uaddr);
1982 addr = (struct sockaddr *)&uaddr;
1986 len = sizeof(saddr);
1987 addr = (struct sockaddr *)&saddr;
1989 fd = accept(s->listen_fd, addr, &len);
1990 if (fd < 0 && errno != EINTR) {
1992 } else if (fd >= 0) {
1993 if (s->do_telnetopt)
1994 tcp_chr_telnet_init(fd);
1998 socket_set_nonblock(fd);
2000 socket_set_nodelay(fd);
2002 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2003 tcp_chr_connect(chr);
2006 static void tcp_chr_close(CharDriverState *chr)
2008 TCPCharDriver *s = chr->opaque;
2010 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2013 if (s->listen_fd >= 0) {
2014 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2015 closesocket(s->listen_fd);
2020 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2024 CharDriverState *chr = NULL;
2025 TCPCharDriver *s = NULL;
2026 int fd = -1, offset = 0;
2028 int is_waitconnect = 1;
2033 while((ptr = strchr(ptr,','))) {
2035 if (!strncmp(ptr,"server",6)) {
2037 } else if (!strncmp(ptr,"nowait",6)) {
2039 } else if (!strncmp(ptr,"nodelay",6)) {
2041 } else if (!strncmp(ptr,"to=",3)) {
2042 /* nothing, inet_listen() parses this one */;
2043 } else if (!strncmp(ptr,"ipv4",4)) {
2044 /* nothing, inet_connect() and inet_listen() parse this one */;
2045 } else if (!strncmp(ptr,"ipv6",4)) {
2046 /* nothing, inet_connect() and inet_listen() parse this one */;
2048 printf("Unknown option: %s\n", ptr);
2055 chr = qemu_mallocz(sizeof(CharDriverState));
2056 s = qemu_mallocz(sizeof(TCPCharDriver));
2059 chr->filename = qemu_malloc(256);
2061 pstrcpy(chr->filename, 256, "unix:");
2062 } else if (is_telnet) {
2063 pstrcpy(chr->filename, 256, "telnet:");
2065 pstrcpy(chr->filename, 256, "tcp:");
2067 offset = strlen(chr->filename);
2071 fd = unix_listen(host_str, chr->filename + offset, 256 - offset);
2073 fd = unix_connect(host_str);
2077 fd = inet_listen(host_str, chr->filename + offset, 256 - offset,
2080 fd = inet_connect(host_str, SOCK_STREAM);
2086 if (!is_waitconnect)
2087 socket_set_nonblock(fd);
2092 s->is_unix = is_unix;
2093 s->do_nodelay = do_nodelay && !is_unix;
2096 chr->chr_write = tcp_chr_write;
2097 chr->chr_close = tcp_chr_close;
2101 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2103 s->do_telnetopt = 1;
2107 socket_set_nodelay(fd);
2108 tcp_chr_connect(chr);
2111 if (is_listen && is_waitconnect) {
2112 printf("QEMU waiting for connection on: %s\n",
2113 chr->filename ? chr->filename : host_str);
2114 tcp_chr_accept(chr);
2115 socket_set_nonblock(s->listen_fd);
2127 CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
2130 CharDriverState *chr;
2132 if (!strcmp(filename, "vc")) {
2133 chr = text_console_init(0);
2135 if (strstart(filename, "vc:", &p)) {
2136 chr = text_console_init(p);
2138 if (!strcmp(filename, "null")) {
2139 chr = qemu_chr_open_null();
2141 if (strstart(filename, "tcp:", &p)) {
2142 chr = qemu_chr_open_tcp(p, 0, 0);
2144 if (strstart(filename, "telnet:", &p)) {
2145 chr = qemu_chr_open_tcp(p, 1, 0);
2147 if (strstart(filename, "udp:", &p)) {
2148 chr = qemu_chr_open_udp(p);
2150 if (strstart(filename, "mon:", &p)) {
2151 chr = qemu_chr_open(label, p, NULL);
2153 chr = qemu_chr_open_mux(chr);
2154 monitor_init(chr, MONITOR_USE_READLINE);
2156 printf("Unable to open driver: %s\n", p);
2158 } else if (!strcmp(filename, "msmouse")) {
2159 chr = qemu_chr_open_msmouse();
2162 if (strstart(filename, "unix:", &p)) {
2163 chr = qemu_chr_open_tcp(p, 0, 1);
2164 } else if (strstart(filename, "file:", &p)) {
2165 chr = qemu_chr_open_file_out(p);
2166 } else if (strstart(filename, "pipe:", &p)) {
2167 chr = qemu_chr_open_pipe(p);
2168 } else if (!strcmp(filename, "pty")) {
2169 chr = qemu_chr_open_pty();
2170 } else if (!strcmp(filename, "stdio")) {
2171 chr = qemu_chr_open_stdio();
2173 #if defined(__linux__)
2174 if (strstart(filename, "/dev/parport", NULL)) {
2175 chr = qemu_chr_open_pp(filename);
2177 #elif defined(__FreeBSD__) || defined(__DragonFly__)
2178 if (strstart(filename, "/dev/ppi", NULL)) {
2179 chr = qemu_chr_open_pp(filename);
2182 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
2183 || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
2184 if (strstart(filename, "/dev/", NULL)) {
2185 chr = qemu_chr_open_tty(filename);
2189 if (strstart(filename, "COM", NULL)) {
2190 chr = qemu_chr_open_win(filename);
2192 if (strstart(filename, "pipe:", &p)) {
2193 chr = qemu_chr_open_win_pipe(p);
2195 if (strstart(filename, "con:", NULL)) {
2196 chr = qemu_chr_open_win_con(filename);
2198 if (strstart(filename, "file:", &p)) {
2199 chr = qemu_chr_open_win_file_out(p);
2202 #ifdef CONFIG_BRLAPI
2203 if (!strcmp(filename, "braille")) {
2204 chr = chr_baum_init();
2213 chr->filename = qemu_strdup(filename);
2215 chr->label = qemu_strdup(label);
2216 TAILQ_INSERT_TAIL(&chardevs, chr, next);
2221 void qemu_chr_close(CharDriverState *chr)
2223 TAILQ_REMOVE(&chardevs, chr, next);
2225 chr->chr_close(chr);
2226 qemu_free(chr->filename);
2227 qemu_free(chr->label);
2231 void qemu_chr_info(Monitor *mon)
2233 CharDriverState *chr;
2235 TAILQ_FOREACH(chr, &chardevs, next) {
2236 monitor_printf(mon, "%s: filename=%s\n", chr->label, chr->filename);