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Commit | Line | Data |
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6f97dba0 AL |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
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: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
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 | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu-common.h" | |
25 | #include "net.h" | |
376253ec | 26 | #include "monitor.h" |
6f97dba0 AL |
27 | #include "console.h" |
28 | #include "sysemu.h" | |
29 | #include "qemu-timer.h" | |
30 | #include "qemu-char.h" | |
31 | #include "block.h" | |
cf3ebac7 AJ |
32 | #include "hw/usb.h" |
33 | #include "hw/baum.h" | |
aa71cf80 | 34 | #include "hw/msmouse.h" |
6f97dba0 AL |
35 | |
36 | #include <unistd.h> | |
37 | #include <fcntl.h> | |
38 | #include <signal.h> | |
39 | #include <time.h> | |
40 | #include <errno.h> | |
41 | #include <sys/time.h> | |
42 | #include <zlib.h> | |
43 | ||
44 | #ifndef _WIN32 | |
45 | #include <sys/times.h> | |
46 | #include <sys/wait.h> | |
47 | #include <termios.h> | |
48 | #include <sys/mman.h> | |
49 | #include <sys/ioctl.h> | |
24646c7e | 50 | #include <sys/resource.h> |
6f97dba0 AL |
51 | #include <sys/socket.h> |
52 | #include <netinet/in.h> | |
24646c7e BS |
53 | #include <net/if.h> |
54 | #ifdef __NetBSD__ | |
55 | #include <net/if_tap.h> | |
56 | #endif | |
57 | #ifdef __linux__ | |
58 | #include <linux/if_tun.h> | |
59 | #endif | |
60 | #include <arpa/inet.h> | |
6f97dba0 AL |
61 | #include <dirent.h> |
62 | #include <netdb.h> | |
63 | #include <sys/select.h> | |
71e72a19 | 64 | #ifdef CONFIG_BSD |
6f97dba0 | 65 | #include <sys/stat.h> |
24646c7e | 66 | #ifdef __FreeBSD__ |
6f97dba0 | 67 | #include <libutil.h> |
6972f935 BS |
68 | #include <dev/ppbus/ppi.h> |
69 | #include <dev/ppbus/ppbconf.h> | |
c5e97233 BS |
70 | #elif defined(__DragonFly__) |
71 | #include <libutil.h> | |
72 | #include <dev/misc/ppi/ppi.h> | |
73 | #include <bus/ppbus/ppbconf.h> | |
24646c7e BS |
74 | #else |
75 | #include <util.h> | |
6f97dba0 AL |
76 | #endif |
77 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
78 | #include <freebsd/stdlib.h> | |
79 | #else | |
80 | #ifdef __linux__ | |
6f97dba0 AL |
81 | #include <pty.h> |
82 | ||
83 | #include <linux/ppdev.h> | |
84 | #include <linux/parport.h> | |
85 | #endif | |
86 | #ifdef __sun__ | |
87 | #include <sys/stat.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> | |
97 | #include <net/if.h> | |
98 | #include <syslog.h> | |
99 | #include <stropts.h> | |
100 | #endif | |
101 | #endif | |
102 | #endif | |
103 | ||
104 | #include "qemu_socket.h" | |
105 | ||
106 | /***********************************************************/ | |
107 | /* character device */ | |
108 | ||
2970a6c9 AL |
109 | static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
110 | TAILQ_HEAD_INITIALIZER(chardevs); | |
111 | static int initial_reset_issued; | |
112 | ||
6f97dba0 AL |
113 | static void qemu_chr_event(CharDriverState *s, int event) |
114 | { | |
115 | if (!s->chr_event) | |
116 | return; | |
117 | s->chr_event(s->handler_opaque, event); | |
118 | } | |
119 | ||
120 | static void qemu_chr_reset_bh(void *opaque) | |
121 | { | |
122 | CharDriverState *s = opaque; | |
123 | qemu_chr_event(s, CHR_EVENT_RESET); | |
124 | qemu_bh_delete(s->bh); | |
125 | s->bh = NULL; | |
126 | } | |
127 | ||
128 | void qemu_chr_reset(CharDriverState *s) | |
129 | { | |
2970a6c9 | 130 | if (s->bh == NULL && initial_reset_issued) { |
6f97dba0 AL |
131 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); |
132 | qemu_bh_schedule(s->bh); | |
133 | } | |
134 | } | |
135 | ||
2970a6c9 AL |
136 | void qemu_chr_initial_reset(void) |
137 | { | |
138 | CharDriverState *chr; | |
139 | ||
140 | initial_reset_issued = 1; | |
141 | ||
142 | TAILQ_FOREACH(chr, &chardevs, next) { | |
143 | qemu_chr_reset(chr); | |
144 | } | |
145 | } | |
146 | ||
6f97dba0 AL |
147 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
148 | { | |
149 | return s->chr_write(s, buf, len); | |
150 | } | |
151 | ||
152 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
153 | { | |
154 | if (!s->chr_ioctl) | |
155 | return -ENOTSUP; | |
156 | return s->chr_ioctl(s, cmd, arg); | |
157 | } | |
158 | ||
159 | int qemu_chr_can_read(CharDriverState *s) | |
160 | { | |
161 | if (!s->chr_can_read) | |
162 | return 0; | |
163 | return s->chr_can_read(s->handler_opaque); | |
164 | } | |
165 | ||
166 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
167 | { | |
168 | s->chr_read(s->handler_opaque, buf, len); | |
169 | } | |
170 | ||
7d174059 MM |
171 | int qemu_chr_get_msgfd(CharDriverState *s) |
172 | { | |
173 | return s->get_msgfd ? s->get_msgfd(s) : -1; | |
174 | } | |
175 | ||
6f97dba0 AL |
176 | void qemu_chr_accept_input(CharDriverState *s) |
177 | { | |
178 | if (s->chr_accept_input) | |
179 | s->chr_accept_input(s); | |
180 | } | |
181 | ||
182 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
183 | { | |
184 | char buf[4096]; | |
185 | va_list ap; | |
186 | va_start(ap, fmt); | |
187 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
188 | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); | |
189 | va_end(ap); | |
190 | } | |
191 | ||
192 | void qemu_chr_send_event(CharDriverState *s, int event) | |
193 | { | |
194 | if (s->chr_send_event) | |
195 | s->chr_send_event(s, event); | |
196 | } | |
197 | ||
198 | void qemu_chr_add_handlers(CharDriverState *s, | |
199 | IOCanRWHandler *fd_can_read, | |
200 | IOReadHandler *fd_read, | |
201 | IOEventHandler *fd_event, | |
202 | void *opaque) | |
203 | { | |
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); | |
210 | } | |
211 | ||
212 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
213 | { | |
214 | return len; | |
215 | } | |
216 | ||
191bc01b | 217 | static CharDriverState *qemu_chr_open_null(QemuOpts *opts) |
6f97dba0 AL |
218 | { |
219 | CharDriverState *chr; | |
220 | ||
221 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 AL |
222 | chr->chr_write = null_chr_write; |
223 | return chr; | |
224 | } | |
225 | ||
226 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
227 | #define MAX_MUX 4 |
228 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
229 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
230 | typedef struct { | |
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; | |
6f97dba0 AL |
236 | int mux_cnt; |
237 | int term_got_escape; | |
238 | int max_size; | |
a80bf99f AL |
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 | |
241 | is full as well. */ | |
242 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
243 | int prod[MAX_MUX]; | |
244 | int cons[MAX_MUX]; | |
2d22959d | 245 | int timestamps; |
4ab312f7 | 246 | int linestart; |
2d22959d | 247 | int64_t timestamps_start; |
6f97dba0 AL |
248 | } MuxDriver; |
249 | ||
250 | ||
251 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
252 | { | |
253 | MuxDriver *d = chr->opaque; | |
254 | int ret; | |
2d22959d | 255 | if (!d->timestamps) { |
6f97dba0 AL |
256 | ret = d->drv->chr_write(d->drv, buf, len); |
257 | } else { | |
258 | int i; | |
259 | ||
260 | ret = 0; | |
4ab312f7 JK |
261 | for (i = 0; i < len; i++) { |
262 | if (d->linestart) { | |
6f97dba0 AL |
263 | char buf1[64]; |
264 | int64_t ti; | |
265 | int secs; | |
266 | ||
267 | ti = qemu_get_clock(rt_clock); | |
2d22959d JK |
268 | if (d->timestamps_start == -1) |
269 | d->timestamps_start = ti; | |
270 | ti -= d->timestamps_start; | |
a4bb1db8 | 271 | secs = ti / 1000; |
6f97dba0 AL |
272 | snprintf(buf1, sizeof(buf1), |
273 | "[%02d:%02d:%02d.%03d] ", | |
274 | secs / 3600, | |
275 | (secs / 60) % 60, | |
276 | secs % 60, | |
a4bb1db8 | 277 | (int)(ti % 1000)); |
6f97dba0 | 278 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
279 | d->linestart = 0; |
280 | } | |
281 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
282 | if (buf[i] == '\n') { | |
283 | d->linestart = 1; | |
6f97dba0 AL |
284 | } |
285 | } | |
286 | } | |
287 | return ret; | |
288 | } | |
289 | ||
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", | |
297 | "% % sends %\n\r", | |
298 | NULL | |
299 | }; | |
300 | ||
301 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
302 | static void mux_print_help(CharDriverState *chr) | |
303 | { | |
304 | int i, j; | |
305 | char ebuf[15] = "Escape-Char"; | |
306 | char cbuf[50] = "\n\r"; | |
307 | ||
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'); | |
311 | } else { | |
312 | snprintf(cbuf, sizeof(cbuf), | |
313 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
314 | term_escape_char); | |
315 | } | |
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)); | |
321 | else | |
322 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
323 | } | |
324 | } | |
325 | } | |
326 | ||
2724b180 AL |
327 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
328 | { | |
329 | if (d->chr_event[mux_nr]) | |
330 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
331 | } | |
332 | ||
6f97dba0 AL |
333 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
334 | { | |
335 | if (d->term_got_escape) { | |
336 | d->term_got_escape = 0; | |
337 | if (ch == term_escape_char) | |
338 | goto send_char; | |
339 | switch(ch) { | |
340 | case '?': | |
341 | case 'h': | |
342 | mux_print_help(chr); | |
343 | break; | |
344 | case 'x': | |
345 | { | |
346 | const char *term = "QEMU: Terminated\n\r"; | |
347 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
348 | exit(0); | |
349 | break; | |
350 | } | |
351 | case 's': | |
352 | { | |
751c6a17 GH |
353 | DriveInfo *dinfo; |
354 | TAILQ_FOREACH(dinfo, &drives, next) { | |
355 | bdrv_commit(dinfo->bdrv); | |
6f97dba0 AL |
356 | } |
357 | } | |
358 | break; | |
359 | case 'b': | |
360 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
361 | break; | |
362 | case 'c': | |
363 | /* Switch to the next registered device */ | |
2724b180 | 364 | mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT); |
6f97dba0 AL |
365 | chr->focus++; |
366 | if (chr->focus >= d->mux_cnt) | |
367 | chr->focus = 0; | |
2724b180 | 368 | mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN); |
6f97dba0 | 369 | break; |
2d22959d JK |
370 | case 't': |
371 | d->timestamps = !d->timestamps; | |
372 | d->timestamps_start = -1; | |
4ab312f7 | 373 | d->linestart = 0; |
2d22959d | 374 | break; |
6f97dba0 AL |
375 | } |
376 | } else if (ch == term_escape_char) { | |
377 | d->term_got_escape = 1; | |
378 | } else { | |
379 | send_char: | |
380 | return 1; | |
381 | } | |
382 | return 0; | |
383 | } | |
384 | ||
385 | static void mux_chr_accept_input(CharDriverState *chr) | |
386 | { | |
387 | int m = chr->focus; | |
388 | MuxDriver *d = chr->opaque; | |
389 | ||
a80bf99f | 390 | while (d->prod[m] != d->cons[m] && |
6f97dba0 AL |
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], | |
a80bf99f | 394 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
6f97dba0 AL |
395 | } |
396 | } | |
397 | ||
398 | static int mux_chr_can_read(void *opaque) | |
399 | { | |
400 | CharDriverState *chr = opaque; | |
401 | MuxDriver *d = chr->opaque; | |
a80bf99f | 402 | int m = chr->focus; |
6f97dba0 | 403 | |
a80bf99f | 404 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
6f97dba0 | 405 | return 1; |
a80bf99f AL |
406 | if (d->chr_can_read[m]) |
407 | return d->chr_can_read[m](d->ext_opaque[m]); | |
6f97dba0 AL |
408 | return 0; |
409 | } | |
410 | ||
411 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
412 | { | |
413 | CharDriverState *chr = opaque; | |
414 | MuxDriver *d = chr->opaque; | |
415 | int m = chr->focus; | |
416 | int i; | |
417 | ||
418 | mux_chr_accept_input (opaque); | |
419 | ||
420 | for(i = 0; i < size; i++) | |
421 | if (mux_proc_byte(chr, d, buf[i])) { | |
a80bf99f | 422 | if (d->prod[m] == d->cons[m] && |
6f97dba0 AL |
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); | |
426 | else | |
a80bf99f | 427 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
428 | } |
429 | } | |
430 | ||
431 | static void mux_chr_event(void *opaque, int event) | |
432 | { | |
433 | CharDriverState *chr = opaque; | |
434 | MuxDriver *d = chr->opaque; | |
435 | int i; | |
436 | ||
437 | /* Send the event to all registered listeners */ | |
438 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 439 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
440 | } |
441 | ||
442 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
443 | { | |
444 | MuxDriver *d = chr->opaque; | |
445 | ||
446 | if (d->mux_cnt >= MAX_MUX) { | |
447 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
448 | return; | |
449 | } | |
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, | |
457 | mux_chr_event, chr); | |
458 | } | |
a7aec5da GH |
459 | if (chr->focus != -1) { |
460 | mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_OUT); | |
461 | } | |
6f97dba0 AL |
462 | chr->focus = d->mux_cnt; |
463 | d->mux_cnt++; | |
a7aec5da | 464 | mux_chr_send_event(d, chr->focus, CHR_EVENT_MUX_IN); |
6f97dba0 AL |
465 | } |
466 | ||
467 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
468 | { | |
469 | CharDriverState *chr; | |
470 | MuxDriver *d; | |
471 | ||
472 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 473 | d = qemu_mallocz(sizeof(MuxDriver)); |
6f97dba0 AL |
474 | |
475 | chr->opaque = d; | |
476 | d->drv = drv; | |
477 | chr->focus = -1; | |
478 | chr->chr_write = mux_chr_write; | |
479 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
480 | chr->chr_accept_input = mux_chr_accept_input; | |
481 | return chr; | |
482 | } | |
483 | ||
484 | ||
485 | #ifdef _WIN32 | |
d247d25f | 486 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
487 | { |
488 | int ret, len; | |
489 | ||
490 | len = len1; | |
491 | while (len > 0) { | |
492 | ret = send(fd, buf, len, 0); | |
493 | if (ret < 0) { | |
6f97dba0 AL |
494 | errno = WSAGetLastError(); |
495 | if (errno != WSAEWOULDBLOCK) { | |
496 | return -1; | |
497 | } | |
498 | } else if (ret == 0) { | |
499 | break; | |
500 | } else { | |
501 | buf += ret; | |
502 | len -= ret; | |
503 | } | |
504 | } | |
505 | return len1 - len; | |
506 | } | |
507 | ||
508 | #else | |
509 | ||
510 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
511 | { | |
512 | int ret, len; | |
513 | ||
514 | len = len1; | |
515 | while (len > 0) { | |
516 | ret = write(fd, buf, len); | |
517 | if (ret < 0) { | |
518 | if (errno != EINTR && errno != EAGAIN) | |
519 | return -1; | |
520 | } else if (ret == 0) { | |
521 | break; | |
522 | } else { | |
523 | buf += ret; | |
524 | len -= ret; | |
525 | } | |
526 | } | |
527 | return len1 - len; | |
528 | } | |
529 | ||
d247d25f | 530 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
531 | { |
532 | return unix_write(fd, buf, len1); | |
533 | } | |
534 | #endif /* !_WIN32 */ | |
535 | ||
536 | #ifndef _WIN32 | |
537 | ||
538 | typedef struct { | |
539 | int fd_in, fd_out; | |
540 | int max_size; | |
541 | } FDCharDriver; | |
542 | ||
543 | #define STDIO_MAX_CLIENTS 1 | |
544 | static int stdio_nb_clients = 0; | |
545 | ||
546 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
547 | { | |
548 | FDCharDriver *s = chr->opaque; | |
549 | return send_all(s->fd_out, buf, len); | |
550 | } | |
551 | ||
552 | static int fd_chr_read_poll(void *opaque) | |
553 | { | |
554 | CharDriverState *chr = opaque; | |
555 | FDCharDriver *s = chr->opaque; | |
556 | ||
557 | s->max_size = qemu_chr_can_read(chr); | |
558 | return s->max_size; | |
559 | } | |
560 | ||
561 | static void fd_chr_read(void *opaque) | |
562 | { | |
563 | CharDriverState *chr = opaque; | |
564 | FDCharDriver *s = chr->opaque; | |
565 | int size, len; | |
566 | uint8_t buf[1024]; | |
567 | ||
568 | len = sizeof(buf); | |
569 | if (len > s->max_size) | |
570 | len = s->max_size; | |
571 | if (len == 0) | |
572 | return; | |
573 | size = read(s->fd_in, buf, len); | |
574 | if (size == 0) { | |
575 | /* FD has been closed. Remove it from the active list. */ | |
576 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
793cbfb5 | 577 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
578 | return; |
579 | } | |
580 | if (size > 0) { | |
581 | qemu_chr_read(chr, buf, size); | |
582 | } | |
583 | } | |
584 | ||
585 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
586 | { | |
587 | FDCharDriver *s = chr->opaque; | |
588 | ||
589 | if (s->fd_in >= 0) { | |
993fbfdb | 590 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
591 | } else { |
592 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
593 | fd_chr_read, NULL, chr); | |
594 | } | |
595 | } | |
596 | } | |
597 | ||
598 | static void fd_chr_close(struct CharDriverState *chr) | |
599 | { | |
600 | FDCharDriver *s = chr->opaque; | |
601 | ||
602 | if (s->fd_in >= 0) { | |
993fbfdb | 603 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
604 | } else { |
605 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
606 | } | |
607 | } | |
608 | ||
609 | qemu_free(s); | |
793cbfb5 | 610 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
611 | } |
612 | ||
613 | /* open a character device to a unix fd */ | |
614 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
615 | { | |
616 | CharDriverState *chr; | |
617 | FDCharDriver *s; | |
618 | ||
619 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 620 | s = qemu_mallocz(sizeof(FDCharDriver)); |
6f97dba0 AL |
621 | s->fd_in = fd_in; |
622 | s->fd_out = fd_out; | |
623 | chr->opaque = s; | |
624 | chr->chr_write = fd_chr_write; | |
625 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
626 | chr->chr_close = fd_chr_close; | |
627 | ||
628 | qemu_chr_reset(chr); | |
629 | ||
630 | return chr; | |
631 | } | |
632 | ||
7d31544f | 633 | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts) |
6f97dba0 AL |
634 | { |
635 | int fd_out; | |
636 | ||
7d31544f GH |
637 | TFR(fd_out = open(qemu_opt_get(opts, "path"), |
638 | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); | |
6f97dba0 AL |
639 | if (fd_out < 0) |
640 | return NULL; | |
641 | return qemu_chr_open_fd(-1, fd_out); | |
642 | } | |
643 | ||
7d31544f | 644 | static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts) |
6f97dba0 AL |
645 | { |
646 | int fd_in, fd_out; | |
647 | char filename_in[256], filename_out[256]; | |
7d31544f GH |
648 | const char *filename = qemu_opt_get(opts, "path"); |
649 | ||
650 | if (filename == NULL) { | |
651 | fprintf(stderr, "chardev: pipe: no filename given\n"); | |
652 | return NULL; | |
653 | } | |
6f97dba0 AL |
654 | |
655 | snprintf(filename_in, 256, "%s.in", filename); | |
656 | snprintf(filename_out, 256, "%s.out", filename); | |
657 | TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); | |
658 | TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); | |
659 | if (fd_in < 0 || fd_out < 0) { | |
660 | if (fd_in >= 0) | |
661 | close(fd_in); | |
662 | if (fd_out >= 0) | |
663 | close(fd_out); | |
664 | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); | |
665 | if (fd_in < 0) | |
666 | return NULL; | |
667 | } | |
668 | return qemu_chr_open_fd(fd_in, fd_out); | |
669 | } | |
670 | ||
671 | ||
672 | /* for STDIO, we handle the case where several clients use it | |
673 | (nographic mode) */ | |
674 | ||
675 | #define TERM_FIFO_MAX_SIZE 1 | |
676 | ||
677 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
678 | static int term_fifo_size; | |
679 | ||
680 | static int stdio_read_poll(void *opaque) | |
681 | { | |
682 | CharDriverState *chr = opaque; | |
683 | ||
684 | /* try to flush the queue if needed */ | |
685 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
686 | qemu_chr_read(chr, term_fifo, 1); | |
687 | term_fifo_size = 0; | |
688 | } | |
689 | /* see if we can absorb more chars */ | |
690 | if (term_fifo_size == 0) | |
691 | return 1; | |
692 | else | |
693 | return 0; | |
694 | } | |
695 | ||
696 | static void stdio_read(void *opaque) | |
697 | { | |
698 | int size; | |
699 | uint8_t buf[1]; | |
700 | CharDriverState *chr = opaque; | |
701 | ||
702 | size = read(0, buf, 1); | |
703 | if (size == 0) { | |
704 | /* stdin has been closed. Remove it from the active list. */ | |
705 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
793cbfb5 | 706 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
707 | return; |
708 | } | |
709 | if (size > 0) { | |
710 | if (qemu_chr_can_read(chr) > 0) { | |
711 | qemu_chr_read(chr, buf, 1); | |
712 | } else if (term_fifo_size == 0) { | |
713 | term_fifo[term_fifo_size++] = buf[0]; | |
714 | } | |
715 | } | |
716 | } | |
717 | ||
718 | /* init terminal so that we can grab keys */ | |
719 | static struct termios oldtty; | |
720 | static int old_fd0_flags; | |
721 | static int term_atexit_done; | |
722 | ||
723 | static void term_exit(void) | |
724 | { | |
725 | tcsetattr (0, TCSANOW, &oldtty); | |
726 | fcntl(0, F_SETFL, old_fd0_flags); | |
727 | } | |
728 | ||
729 | static void term_init(void) | |
730 | { | |
731 | struct termios tty; | |
732 | ||
733 | tcgetattr (0, &tty); | |
734 | oldtty = tty; | |
735 | old_fd0_flags = fcntl(0, F_GETFL); | |
736 | ||
737 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
738 | |INLCR|IGNCR|ICRNL|IXON); | |
739 | tty.c_oflag |= OPOST; | |
740 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
741 | /* if graphical mode, we allow Ctrl-C handling */ | |
993fbfdb | 742 | if (display_type == DT_NOGRAPHIC) |
6f97dba0 AL |
743 | tty.c_lflag &= ~ISIG; |
744 | tty.c_cflag &= ~(CSIZE|PARENB); | |
745 | tty.c_cflag |= CS8; | |
746 | tty.c_cc[VMIN] = 1; | |
747 | tty.c_cc[VTIME] = 0; | |
748 | ||
749 | tcsetattr (0, TCSANOW, &tty); | |
750 | ||
751 | if (!term_atexit_done++) | |
752 | atexit(term_exit); | |
753 | ||
754 | fcntl(0, F_SETFL, O_NONBLOCK); | |
755 | } | |
756 | ||
757 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
758 | { | |
759 | term_exit(); | |
760 | stdio_nb_clients--; | |
761 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
762 | fd_chr_close(chr); | |
763 | } | |
764 | ||
3c17affb | 765 | static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts) |
6f97dba0 AL |
766 | { |
767 | CharDriverState *chr; | |
768 | ||
769 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
770 | return NULL; | |
771 | chr = qemu_chr_open_fd(0, 1); | |
772 | chr->chr_close = qemu_chr_close_stdio; | |
773 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); | |
774 | stdio_nb_clients++; | |
775 | term_init(); | |
776 | ||
777 | return chr; | |
778 | } | |
779 | ||
780 | #ifdef __sun__ | |
781 | /* Once Solaris has openpty(), this is going to be removed. */ | |
3f4cb3d3 BS |
782 | static int openpty(int *amaster, int *aslave, char *name, |
783 | struct termios *termp, struct winsize *winp) | |
6f97dba0 AL |
784 | { |
785 | const char *slave; | |
786 | int mfd = -1, sfd = -1; | |
787 | ||
788 | *amaster = *aslave = -1; | |
789 | ||
790 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
791 | if (mfd < 0) | |
792 | goto err; | |
793 | ||
794 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
795 | goto err; | |
796 | ||
797 | if ((slave = ptsname(mfd)) == NULL) | |
798 | goto err; | |
799 | ||
800 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
801 | goto err; | |
802 | ||
803 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
804 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
805 | goto err; | |
806 | ||
807 | if (amaster) | |
808 | *amaster = mfd; | |
809 | if (aslave) | |
810 | *aslave = sfd; | |
811 | if (winp) | |
812 | ioctl(sfd, TIOCSWINSZ, winp); | |
813 | ||
814 | return 0; | |
815 | ||
816 | err: | |
817 | if (sfd != -1) | |
818 | close(sfd); | |
819 | close(mfd); | |
820 | return -1; | |
821 | } | |
822 | ||
3f4cb3d3 | 823 | static void cfmakeraw (struct termios *termios_p) |
6f97dba0 AL |
824 | { |
825 | termios_p->c_iflag &= | |
826 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
827 | termios_p->c_oflag &= ~OPOST; | |
828 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
829 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
830 | termios_p->c_cflag |= CS8; | |
831 | ||
832 | termios_p->c_cc[VMIN] = 0; | |
833 | termios_p->c_cc[VTIME] = 0; | |
834 | } | |
835 | #endif | |
836 | ||
837 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
c5e97233 | 838 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) |
6f97dba0 AL |
839 | |
840 | typedef struct { | |
841 | int fd; | |
842 | int connected; | |
843 | int polling; | |
844 | int read_bytes; | |
845 | QEMUTimer *timer; | |
846 | } PtyCharDriver; | |
847 | ||
848 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
849 | static void pty_chr_state(CharDriverState *chr, int connected); | |
850 | ||
851 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
852 | { | |
853 | PtyCharDriver *s = chr->opaque; | |
854 | ||
855 | if (!s->connected) { | |
856 | /* guest sends data, check for (re-)connect */ | |
857 | pty_chr_update_read_handler(chr); | |
858 | return 0; | |
859 | } | |
860 | return send_all(s->fd, buf, len); | |
861 | } | |
862 | ||
863 | static int pty_chr_read_poll(void *opaque) | |
864 | { | |
865 | CharDriverState *chr = opaque; | |
866 | PtyCharDriver *s = chr->opaque; | |
867 | ||
868 | s->read_bytes = qemu_chr_can_read(chr); | |
869 | return s->read_bytes; | |
870 | } | |
871 | ||
872 | static void pty_chr_read(void *opaque) | |
873 | { | |
874 | CharDriverState *chr = opaque; | |
875 | PtyCharDriver *s = chr->opaque; | |
876 | int size, len; | |
877 | uint8_t buf[1024]; | |
878 | ||
879 | len = sizeof(buf); | |
880 | if (len > s->read_bytes) | |
881 | len = s->read_bytes; | |
882 | if (len == 0) | |
883 | return; | |
884 | size = read(s->fd, buf, len); | |
885 | if ((size == -1 && errno == EIO) || | |
886 | (size == 0)) { | |
887 | pty_chr_state(chr, 0); | |
888 | return; | |
889 | } | |
890 | if (size > 0) { | |
891 | pty_chr_state(chr, 1); | |
892 | qemu_chr_read(chr, buf, size); | |
893 | } | |
894 | } | |
895 | ||
896 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
897 | { | |
898 | PtyCharDriver *s = chr->opaque; | |
899 | ||
900 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, | |
901 | pty_chr_read, NULL, chr); | |
902 | s->polling = 1; | |
903 | /* | |
904 | * Short timeout here: just need wait long enougth that qemu makes | |
905 | * it through the poll loop once. When reconnected we want a | |
906 | * short timeout so we notice it almost instantly. Otherwise | |
907 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
908 | * timeout to the normal (much longer) poll interval before the | |
909 | * timer triggers. | |
910 | */ | |
911 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); | |
912 | } | |
913 | ||
914 | static void pty_chr_state(CharDriverState *chr, int connected) | |
915 | { | |
916 | PtyCharDriver *s = chr->opaque; | |
917 | ||
918 | if (!connected) { | |
919 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
920 | s->connected = 0; | |
921 | s->polling = 0; | |
922 | /* (re-)connect poll interval for idle guests: once per second. | |
923 | * We check more frequently in case the guests sends data to | |
924 | * the virtual device linked to our pty. */ | |
925 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); | |
926 | } else { | |
927 | if (!s->connected) | |
928 | qemu_chr_reset(chr); | |
929 | s->connected = 1; | |
930 | } | |
931 | } | |
932 | ||
933 | static void pty_chr_timer(void *opaque) | |
934 | { | |
935 | struct CharDriverState *chr = opaque; | |
936 | PtyCharDriver *s = chr->opaque; | |
937 | ||
938 | if (s->connected) | |
939 | return; | |
940 | if (s->polling) { | |
941 | /* If we arrive here without polling being cleared due | |
942 | * read returning -EIO, then we are (re-)connected */ | |
943 | pty_chr_state(chr, 1); | |
944 | return; | |
945 | } | |
946 | ||
947 | /* Next poll ... */ | |
948 | pty_chr_update_read_handler(chr); | |
949 | } | |
950 | ||
951 | static void pty_chr_close(struct CharDriverState *chr) | |
952 | { | |
953 | PtyCharDriver *s = chr->opaque; | |
954 | ||
955 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
956 | close(s->fd); | |
819f56b7 AL |
957 | qemu_del_timer(s->timer); |
958 | qemu_free_timer(s->timer); | |
6f97dba0 | 959 | qemu_free(s); |
793cbfb5 | 960 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
961 | } |
962 | ||
4490dadf | 963 | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) |
6f97dba0 AL |
964 | { |
965 | CharDriverState *chr; | |
966 | PtyCharDriver *s; | |
967 | struct termios tty; | |
968 | int slave_fd, len; | |
c5e97233 | 969 | #if defined(__OpenBSD__) || defined(__DragonFly__) |
6f97dba0 AL |
970 | char pty_name[PATH_MAX]; |
971 | #define q_ptsname(x) pty_name | |
972 | #else | |
973 | char *pty_name = NULL; | |
974 | #define q_ptsname(x) ptsname(x) | |
975 | #endif | |
976 | ||
977 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 978 | s = qemu_mallocz(sizeof(PtyCharDriver)); |
6f97dba0 AL |
979 | |
980 | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { | |
981 | return NULL; | |
982 | } | |
983 | ||
984 | /* Set raw attributes on the pty. */ | |
c3b972c3 | 985 | tcgetattr(slave_fd, &tty); |
6f97dba0 AL |
986 | cfmakeraw(&tty); |
987 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
988 | close(slave_fd); | |
989 | ||
990 | len = strlen(q_ptsname(s->fd)) + 5; | |
991 | chr->filename = qemu_malloc(len); | |
992 | snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd)); | |
4490dadf | 993 | qemu_opt_set(opts, "path", q_ptsname(s->fd)); |
6f97dba0 AL |
994 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); |
995 | ||
996 | chr->opaque = s; | |
997 | chr->chr_write = pty_chr_write; | |
998 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
999 | chr->chr_close = pty_chr_close; | |
1000 | ||
1001 | s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); | |
1002 | ||
1003 | return chr; | |
1004 | } | |
1005 | ||
1006 | static void tty_serial_init(int fd, int speed, | |
1007 | int parity, int data_bits, int stop_bits) | |
1008 | { | |
1009 | struct termios tty; | |
1010 | speed_t spd; | |
1011 | ||
1012 | #if 0 | |
1013 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1014 | speed, parity, data_bits, stop_bits); | |
1015 | #endif | |
1016 | tcgetattr (fd, &tty); | |
1017 | ||
1018 | #define MARGIN 1.1 | |
1019 | if (speed <= 50 * MARGIN) | |
1020 | spd = B50; | |
1021 | else if (speed <= 75 * MARGIN) | |
1022 | spd = B75; | |
1023 | else if (speed <= 300 * MARGIN) | |
1024 | spd = B300; | |
1025 | else if (speed <= 600 * MARGIN) | |
1026 | spd = B600; | |
1027 | else if (speed <= 1200 * MARGIN) | |
1028 | spd = B1200; | |
1029 | else if (speed <= 2400 * MARGIN) | |
1030 | spd = B2400; | |
1031 | else if (speed <= 4800 * MARGIN) | |
1032 | spd = B4800; | |
1033 | else if (speed <= 9600 * MARGIN) | |
1034 | spd = B9600; | |
1035 | else if (speed <= 19200 * MARGIN) | |
1036 | spd = B19200; | |
1037 | else if (speed <= 38400 * MARGIN) | |
1038 | spd = B38400; | |
1039 | else if (speed <= 57600 * MARGIN) | |
1040 | spd = B57600; | |
1041 | else if (speed <= 115200 * MARGIN) | |
1042 | spd = B115200; | |
1043 | else | |
1044 | spd = B115200; | |
1045 | ||
1046 | cfsetispeed(&tty, spd); | |
1047 | cfsetospeed(&tty, spd); | |
1048 | ||
1049 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1050 | |INLCR|IGNCR|ICRNL|IXON); | |
1051 | tty.c_oflag |= OPOST; | |
1052 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1053 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1054 | switch(data_bits) { | |
1055 | default: | |
1056 | case 8: | |
1057 | tty.c_cflag |= CS8; | |
1058 | break; | |
1059 | case 7: | |
1060 | tty.c_cflag |= CS7; | |
1061 | break; | |
1062 | case 6: | |
1063 | tty.c_cflag |= CS6; | |
1064 | break; | |
1065 | case 5: | |
1066 | tty.c_cflag |= CS5; | |
1067 | break; | |
1068 | } | |
1069 | switch(parity) { | |
1070 | default: | |
1071 | case 'N': | |
1072 | break; | |
1073 | case 'E': | |
1074 | tty.c_cflag |= PARENB; | |
1075 | break; | |
1076 | case 'O': | |
1077 | tty.c_cflag |= PARENB | PARODD; | |
1078 | break; | |
1079 | } | |
1080 | if (stop_bits == 2) | |
1081 | tty.c_cflag |= CSTOPB; | |
1082 | ||
1083 | tcsetattr (fd, TCSANOW, &tty); | |
1084 | } | |
1085 | ||
1086 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1087 | { | |
1088 | FDCharDriver *s = chr->opaque; | |
1089 | ||
1090 | switch(cmd) { | |
1091 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1092 | { | |
1093 | QEMUSerialSetParams *ssp = arg; | |
1094 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1095 | ssp->data_bits, ssp->stop_bits); | |
1096 | } | |
1097 | break; | |
1098 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1099 | { | |
1100 | int enable = *(int *)arg; | |
1101 | if (enable) | |
1102 | tcsendbreak(s->fd_in, 1); | |
1103 | } | |
1104 | break; | |
1105 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1106 | { | |
1107 | int sarg = 0; | |
1108 | int *targ = (int *)arg; | |
1109 | ioctl(s->fd_in, TIOCMGET, &sarg); | |
1110 | *targ = 0; | |
b4abdfa4 | 1111 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1112 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1113 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1114 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1115 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1116 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1117 | if (sarg & TIOCM_RI) |
6f97dba0 | 1118 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1119 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1120 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1121 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1122 | *targ |= CHR_TIOCM_RTS; |
1123 | } | |
1124 | break; | |
1125 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1126 | { | |
1127 | int sarg = *(int *)arg; | |
1128 | int targ = 0; | |
b4abdfa4 AJ |
1129 | ioctl(s->fd_in, TIOCMGET, &targ); |
1130 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR | |
1131 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1132 | if (sarg & CHR_TIOCM_CTS) | |
1133 | targ |= TIOCM_CTS; | |
1134 | if (sarg & CHR_TIOCM_CAR) | |
1135 | targ |= TIOCM_CAR; | |
1136 | if (sarg & CHR_TIOCM_DSR) | |
1137 | targ |= TIOCM_DSR; | |
1138 | if (sarg & CHR_TIOCM_RI) | |
1139 | targ |= TIOCM_RI; | |
1140 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1141 | targ |= TIOCM_DTR; |
b4abdfa4 | 1142 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 AL |
1143 | targ |= TIOCM_RTS; |
1144 | ioctl(s->fd_in, TIOCMSET, &targ); | |
1145 | } | |
1146 | break; | |
1147 | default: | |
1148 | return -ENOTSUP; | |
1149 | } | |
1150 | return 0; | |
1151 | } | |
1152 | ||
48b76496 | 1153 | static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) |
6f97dba0 | 1154 | { |
48b76496 | 1155 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1156 | CharDriverState *chr; |
1157 | int fd; | |
1158 | ||
1159 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); | |
1160 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1161 | chr = qemu_chr_open_fd(fd, fd); | |
1162 | if (!chr) { | |
1163 | close(fd); | |
1164 | return NULL; | |
1165 | } | |
1166 | chr->chr_ioctl = tty_serial_ioctl; | |
1167 | qemu_chr_reset(chr); | |
1168 | return chr; | |
1169 | } | |
1170 | #else /* ! __linux__ && ! __sun__ */ | |
1171 | static CharDriverState *qemu_chr_open_pty(void) | |
1172 | { | |
1173 | return NULL; | |
1174 | } | |
1175 | #endif /* __linux__ || __sun__ */ | |
1176 | ||
1177 | #if defined(__linux__) | |
1178 | typedef struct { | |
1179 | int fd; | |
1180 | int mode; | |
1181 | } ParallelCharDriver; | |
1182 | ||
1183 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1184 | { | |
1185 | if (s->mode != mode) { | |
1186 | int m = mode; | |
1187 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1188 | return 0; | |
1189 | s->mode = mode; | |
1190 | } | |
1191 | return 1; | |
1192 | } | |
1193 | ||
1194 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1195 | { | |
1196 | ParallelCharDriver *drv = chr->opaque; | |
1197 | int fd = drv->fd; | |
1198 | uint8_t b; | |
1199 | ||
1200 | switch(cmd) { | |
1201 | case CHR_IOCTL_PP_READ_DATA: | |
1202 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1203 | return -ENOTSUP; | |
1204 | *(uint8_t *)arg = b; | |
1205 | break; | |
1206 | case CHR_IOCTL_PP_WRITE_DATA: | |
1207 | b = *(uint8_t *)arg; | |
1208 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1209 | return -ENOTSUP; | |
1210 | break; | |
1211 | case CHR_IOCTL_PP_READ_CONTROL: | |
1212 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1213 | return -ENOTSUP; | |
1214 | /* Linux gives only the lowest bits, and no way to know data | |
1215 | direction! For better compatibility set the fixed upper | |
1216 | bits. */ | |
1217 | *(uint8_t *)arg = b | 0xc0; | |
1218 | break; | |
1219 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1220 | b = *(uint8_t *)arg; | |
1221 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1222 | return -ENOTSUP; | |
1223 | break; | |
1224 | case CHR_IOCTL_PP_READ_STATUS: | |
1225 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1226 | return -ENOTSUP; | |
1227 | *(uint8_t *)arg = b; | |
1228 | break; | |
1229 | case CHR_IOCTL_PP_DATA_DIR: | |
1230 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1231 | return -ENOTSUP; | |
1232 | break; | |
1233 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1234 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1235 | struct ParallelIOArg *parg = arg; | |
1236 | int n = read(fd, parg->buffer, parg->count); | |
1237 | if (n != parg->count) { | |
1238 | return -EIO; | |
1239 | } | |
1240 | } | |
1241 | break; | |
1242 | case CHR_IOCTL_PP_EPP_READ: | |
1243 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1244 | struct ParallelIOArg *parg = arg; | |
1245 | int n = read(fd, parg->buffer, parg->count); | |
1246 | if (n != parg->count) { | |
1247 | return -EIO; | |
1248 | } | |
1249 | } | |
1250 | break; | |
1251 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1252 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1253 | struct ParallelIOArg *parg = arg; | |
1254 | int n = write(fd, parg->buffer, parg->count); | |
1255 | if (n != parg->count) { | |
1256 | return -EIO; | |
1257 | } | |
1258 | } | |
1259 | break; | |
1260 | case CHR_IOCTL_PP_EPP_WRITE: | |
1261 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1262 | struct ParallelIOArg *parg = arg; | |
1263 | int n = write(fd, parg->buffer, parg->count); | |
1264 | if (n != parg->count) { | |
1265 | return -EIO; | |
1266 | } | |
1267 | } | |
1268 | break; | |
1269 | default: | |
1270 | return -ENOTSUP; | |
1271 | } | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | static void pp_close(CharDriverState *chr) | |
1276 | { | |
1277 | ParallelCharDriver *drv = chr->opaque; | |
1278 | int fd = drv->fd; | |
1279 | ||
1280 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1281 | ioctl(fd, PPRELEASE); | |
1282 | close(fd); | |
1283 | qemu_free(drv); | |
793cbfb5 | 1284 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1285 | } |
1286 | ||
48b76496 | 1287 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
6f97dba0 | 1288 | { |
48b76496 | 1289 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1290 | CharDriverState *chr; |
1291 | ParallelCharDriver *drv; | |
1292 | int fd; | |
1293 | ||
1294 | TFR(fd = open(filename, O_RDWR)); | |
1295 | if (fd < 0) | |
1296 | return NULL; | |
1297 | ||
1298 | if (ioctl(fd, PPCLAIM) < 0) { | |
1299 | close(fd); | |
1300 | return NULL; | |
1301 | } | |
1302 | ||
1303 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
6f97dba0 AL |
1304 | drv->fd = fd; |
1305 | drv->mode = IEEE1284_MODE_COMPAT; | |
1306 | ||
1307 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 AL |
1308 | chr->chr_write = null_chr_write; |
1309 | chr->chr_ioctl = pp_ioctl; | |
1310 | chr->chr_close = pp_close; | |
1311 | chr->opaque = drv; | |
1312 | ||
1313 | qemu_chr_reset(chr); | |
1314 | ||
1315 | return chr; | |
1316 | } | |
1317 | #endif /* __linux__ */ | |
1318 | ||
c5e97233 | 1319 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
6972f935 BS |
1320 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1321 | { | |
1322 | int fd = (int)chr->opaque; | |
1323 | uint8_t b; | |
1324 | ||
1325 | switch(cmd) { | |
1326 | case CHR_IOCTL_PP_READ_DATA: | |
1327 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1328 | return -ENOTSUP; | |
1329 | *(uint8_t *)arg = b; | |
1330 | break; | |
1331 | case CHR_IOCTL_PP_WRITE_DATA: | |
1332 | b = *(uint8_t *)arg; | |
1333 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1334 | return -ENOTSUP; | |
1335 | break; | |
1336 | case CHR_IOCTL_PP_READ_CONTROL: | |
1337 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1338 | return -ENOTSUP; | |
1339 | *(uint8_t *)arg = b; | |
1340 | break; | |
1341 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1342 | b = *(uint8_t *)arg; | |
1343 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1344 | return -ENOTSUP; | |
1345 | break; | |
1346 | case CHR_IOCTL_PP_READ_STATUS: | |
1347 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1348 | return -ENOTSUP; | |
1349 | *(uint8_t *)arg = b; | |
1350 | break; | |
1351 | default: | |
1352 | return -ENOTSUP; | |
1353 | } | |
1354 | return 0; | |
1355 | } | |
1356 | ||
48b76496 | 1357 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
6972f935 | 1358 | { |
48b76496 | 1359 | const char *filename = qemu_opt_get(opts, "path"); |
6972f935 BS |
1360 | CharDriverState *chr; |
1361 | int fd; | |
1362 | ||
1363 | fd = open(filename, O_RDWR); | |
1364 | if (fd < 0) | |
1365 | return NULL; | |
1366 | ||
1367 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6972f935 BS |
1368 | chr->opaque = (void *)fd; |
1369 | chr->chr_write = null_chr_write; | |
1370 | chr->chr_ioctl = pp_ioctl; | |
1371 | return chr; | |
1372 | } | |
1373 | #endif | |
1374 | ||
6f97dba0 AL |
1375 | #else /* _WIN32 */ |
1376 | ||
1377 | typedef struct { | |
1378 | int max_size; | |
1379 | HANDLE hcom, hrecv, hsend; | |
1380 | OVERLAPPED orecv, osend; | |
1381 | BOOL fpipe; | |
1382 | DWORD len; | |
1383 | } WinCharState; | |
1384 | ||
1385 | #define NSENDBUF 2048 | |
1386 | #define NRECVBUF 2048 | |
1387 | #define MAXCONNECT 1 | |
1388 | #define NTIMEOUT 5000 | |
1389 | ||
1390 | static int win_chr_poll(void *opaque); | |
1391 | static int win_chr_pipe_poll(void *opaque); | |
1392 | ||
1393 | static void win_chr_close(CharDriverState *chr) | |
1394 | { | |
1395 | WinCharState *s = chr->opaque; | |
1396 | ||
1397 | if (s->hsend) { | |
1398 | CloseHandle(s->hsend); | |
1399 | s->hsend = NULL; | |
1400 | } | |
1401 | if (s->hrecv) { | |
1402 | CloseHandle(s->hrecv); | |
1403 | s->hrecv = NULL; | |
1404 | } | |
1405 | if (s->hcom) { | |
1406 | CloseHandle(s->hcom); | |
1407 | s->hcom = NULL; | |
1408 | } | |
1409 | if (s->fpipe) | |
1410 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1411 | else | |
1412 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 AS |
1413 | |
1414 | qemu_chr_event(chr, CHR_EVENT_CLOSED); | |
6f97dba0 AL |
1415 | } |
1416 | ||
1417 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1418 | { | |
1419 | WinCharState *s = chr->opaque; | |
1420 | COMMCONFIG comcfg; | |
1421 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1422 | COMSTAT comstat; | |
1423 | DWORD size; | |
1424 | DWORD err; | |
1425 | ||
1426 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1427 | if (!s->hsend) { | |
1428 | fprintf(stderr, "Failed CreateEvent\n"); | |
1429 | goto fail; | |
1430 | } | |
1431 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1432 | if (!s->hrecv) { | |
1433 | fprintf(stderr, "Failed CreateEvent\n"); | |
1434 | goto fail; | |
1435 | } | |
1436 | ||
1437 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1438 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1439 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1440 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1441 | s->hcom = NULL; | |
1442 | goto fail; | |
1443 | } | |
1444 | ||
1445 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1446 | fprintf(stderr, "Failed SetupComm\n"); | |
1447 | goto fail; | |
1448 | } | |
1449 | ||
1450 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1451 | size = sizeof(COMMCONFIG); | |
1452 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1453 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1454 | CommConfigDialog(filename, NULL, &comcfg); | |
1455 | ||
1456 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1457 | fprintf(stderr, "Failed SetCommState\n"); | |
1458 | goto fail; | |
1459 | } | |
1460 | ||
1461 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1462 | fprintf(stderr, "Failed SetCommMask\n"); | |
1463 | goto fail; | |
1464 | } | |
1465 | ||
1466 | cto.ReadIntervalTimeout = MAXDWORD; | |
1467 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1468 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1469 | goto fail; | |
1470 | } | |
1471 | ||
1472 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1473 | fprintf(stderr, "Failed ClearCommError\n"); | |
1474 | goto fail; | |
1475 | } | |
1476 | qemu_add_polling_cb(win_chr_poll, chr); | |
1477 | return 0; | |
1478 | ||
1479 | fail: | |
1480 | win_chr_close(chr); | |
1481 | return -1; | |
1482 | } | |
1483 | ||
1484 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1485 | { | |
1486 | WinCharState *s = chr->opaque; | |
1487 | DWORD len, ret, size, err; | |
1488 | ||
1489 | len = len1; | |
1490 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1491 | s->osend.hEvent = s->hsend; | |
1492 | while (len > 0) { | |
1493 | if (s->hsend) | |
1494 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1495 | else | |
1496 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1497 | if (!ret) { | |
1498 | err = GetLastError(); | |
1499 | if (err == ERROR_IO_PENDING) { | |
1500 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1501 | if (ret) { | |
1502 | buf += size; | |
1503 | len -= size; | |
1504 | } else { | |
1505 | break; | |
1506 | } | |
1507 | } else { | |
1508 | break; | |
1509 | } | |
1510 | } else { | |
1511 | buf += size; | |
1512 | len -= size; | |
1513 | } | |
1514 | } | |
1515 | return len1 - len; | |
1516 | } | |
1517 | ||
1518 | static int win_chr_read_poll(CharDriverState *chr) | |
1519 | { | |
1520 | WinCharState *s = chr->opaque; | |
1521 | ||
1522 | s->max_size = qemu_chr_can_read(chr); | |
1523 | return s->max_size; | |
1524 | } | |
1525 | ||
1526 | static void win_chr_readfile(CharDriverState *chr) | |
1527 | { | |
1528 | WinCharState *s = chr->opaque; | |
1529 | int ret, err; | |
1530 | uint8_t buf[1024]; | |
1531 | DWORD size; | |
1532 | ||
1533 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1534 | s->orecv.hEvent = s->hrecv; | |
1535 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1536 | if (!ret) { | |
1537 | err = GetLastError(); | |
1538 | if (err == ERROR_IO_PENDING) { | |
1539 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | if (size > 0) { | |
1544 | qemu_chr_read(chr, buf, size); | |
1545 | } | |
1546 | } | |
1547 | ||
1548 | static void win_chr_read(CharDriverState *chr) | |
1549 | { | |
1550 | WinCharState *s = chr->opaque; | |
1551 | ||
1552 | if (s->len > s->max_size) | |
1553 | s->len = s->max_size; | |
1554 | if (s->len == 0) | |
1555 | return; | |
1556 | ||
1557 | win_chr_readfile(chr); | |
1558 | } | |
1559 | ||
1560 | static int win_chr_poll(void *opaque) | |
1561 | { | |
1562 | CharDriverState *chr = opaque; | |
1563 | WinCharState *s = chr->opaque; | |
1564 | COMSTAT status; | |
1565 | DWORD comerr; | |
1566 | ||
1567 | ClearCommError(s->hcom, &comerr, &status); | |
1568 | if (status.cbInQue > 0) { | |
1569 | s->len = status.cbInQue; | |
1570 | win_chr_read_poll(chr); | |
1571 | win_chr_read(chr); | |
1572 | return 1; | |
1573 | } | |
1574 | return 0; | |
1575 | } | |
1576 | ||
48b76496 | 1577 | static CharDriverState *qemu_chr_open_win(QemuOpts *opts) |
6f97dba0 | 1578 | { |
48b76496 | 1579 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1580 | CharDriverState *chr; |
1581 | WinCharState *s; | |
1582 | ||
1583 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1584 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1585 | chr->opaque = s; |
1586 | chr->chr_write = win_chr_write; | |
1587 | chr->chr_close = win_chr_close; | |
1588 | ||
1589 | if (win_chr_init(chr, filename) < 0) { | |
1590 | free(s); | |
1591 | free(chr); | |
1592 | return NULL; | |
1593 | } | |
1594 | qemu_chr_reset(chr); | |
1595 | return chr; | |
1596 | } | |
1597 | ||
1598 | static int win_chr_pipe_poll(void *opaque) | |
1599 | { | |
1600 | CharDriverState *chr = opaque; | |
1601 | WinCharState *s = chr->opaque; | |
1602 | DWORD size; | |
1603 | ||
1604 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1605 | if (size > 0) { | |
1606 | s->len = size; | |
1607 | win_chr_read_poll(chr); | |
1608 | win_chr_read(chr); | |
1609 | return 1; | |
1610 | } | |
1611 | return 0; | |
1612 | } | |
1613 | ||
1614 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1615 | { | |
1616 | WinCharState *s = chr->opaque; | |
1617 | OVERLAPPED ov; | |
1618 | int ret; | |
1619 | DWORD size; | |
1620 | char openname[256]; | |
1621 | ||
1622 | s->fpipe = TRUE; | |
1623 | ||
1624 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1625 | if (!s->hsend) { | |
1626 | fprintf(stderr, "Failed CreateEvent\n"); | |
1627 | goto fail; | |
1628 | } | |
1629 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1630 | if (!s->hrecv) { | |
1631 | fprintf(stderr, "Failed CreateEvent\n"); | |
1632 | goto fail; | |
1633 | } | |
1634 | ||
1635 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1636 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1637 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1638 | PIPE_WAIT, | |
1639 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1640 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1641 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1642 | s->hcom = NULL; | |
1643 | goto fail; | |
1644 | } | |
1645 | ||
1646 | ZeroMemory(&ov, sizeof(ov)); | |
1647 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1648 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1649 | if (ret) { | |
1650 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1651 | goto fail; | |
1652 | } | |
1653 | ||
1654 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1655 | if (!ret) { | |
1656 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1657 | if (ov.hEvent) { | |
1658 | CloseHandle(ov.hEvent); | |
1659 | ov.hEvent = NULL; | |
1660 | } | |
1661 | goto fail; | |
1662 | } | |
1663 | ||
1664 | if (ov.hEvent) { | |
1665 | CloseHandle(ov.hEvent); | |
1666 | ov.hEvent = NULL; | |
1667 | } | |
1668 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1669 | return 0; | |
1670 | ||
1671 | fail: | |
1672 | win_chr_close(chr); | |
1673 | return -1; | |
1674 | } | |
1675 | ||
1676 | ||
7d31544f | 1677 | static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts) |
6f97dba0 | 1678 | { |
7d31544f | 1679 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1680 | CharDriverState *chr; |
1681 | WinCharState *s; | |
1682 | ||
1683 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1684 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1685 | chr->opaque = s; |
1686 | chr->chr_write = win_chr_write; | |
1687 | chr->chr_close = win_chr_close; | |
1688 | ||
1689 | if (win_chr_pipe_init(chr, filename) < 0) { | |
1690 | free(s); | |
1691 | free(chr); | |
1692 | return NULL; | |
1693 | } | |
1694 | qemu_chr_reset(chr); | |
1695 | return chr; | |
1696 | } | |
1697 | ||
1698 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
1699 | { | |
1700 | CharDriverState *chr; | |
1701 | WinCharState *s; | |
1702 | ||
1703 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1704 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1705 | s->hcom = fd_out; |
1706 | chr->opaque = s; | |
1707 | chr->chr_write = win_chr_write; | |
1708 | qemu_chr_reset(chr); | |
1709 | return chr; | |
1710 | } | |
1711 | ||
d6c983cd | 1712 | static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts) |
6f97dba0 AL |
1713 | { |
1714 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); | |
1715 | } | |
1716 | ||
7d31544f | 1717 | static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts) |
6f97dba0 | 1718 | { |
7d31544f | 1719 | const char *file_out = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1720 | HANDLE fd_out; |
1721 | ||
1722 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
1723 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
1724 | if (fd_out == INVALID_HANDLE_VALUE) | |
1725 | return NULL; | |
1726 | ||
1727 | return qemu_chr_open_win_file(fd_out); | |
1728 | } | |
1729 | #endif /* !_WIN32 */ | |
1730 | ||
1731 | /***********************************************************/ | |
1732 | /* UDP Net console */ | |
1733 | ||
1734 | typedef struct { | |
1735 | int fd; | |
6f97dba0 AL |
1736 | uint8_t buf[1024]; |
1737 | int bufcnt; | |
1738 | int bufptr; | |
1739 | int max_size; | |
1740 | } NetCharDriver; | |
1741 | ||
1742 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1743 | { | |
1744 | NetCharDriver *s = chr->opaque; | |
1745 | ||
7e1b35b4 | 1746 | return send(s->fd, (const void *)buf, len, 0); |
6f97dba0 AL |
1747 | } |
1748 | ||
1749 | static int udp_chr_read_poll(void *opaque) | |
1750 | { | |
1751 | CharDriverState *chr = opaque; | |
1752 | NetCharDriver *s = chr->opaque; | |
1753 | ||
1754 | s->max_size = qemu_chr_can_read(chr); | |
1755 | ||
1756 | /* If there were any stray characters in the queue process them | |
1757 | * first | |
1758 | */ | |
1759 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1760 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1761 | s->bufptr++; | |
1762 | s->max_size = qemu_chr_can_read(chr); | |
1763 | } | |
1764 | return s->max_size; | |
1765 | } | |
1766 | ||
1767 | static void udp_chr_read(void *opaque) | |
1768 | { | |
1769 | CharDriverState *chr = opaque; | |
1770 | NetCharDriver *s = chr->opaque; | |
1771 | ||
1772 | if (s->max_size == 0) | |
1773 | return; | |
c5b76b38 | 1774 | s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
6f97dba0 AL |
1775 | s->bufptr = s->bufcnt; |
1776 | if (s->bufcnt <= 0) | |
1777 | return; | |
1778 | ||
1779 | s->bufptr = 0; | |
1780 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1781 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1782 | s->bufptr++; | |
1783 | s->max_size = qemu_chr_can_read(chr); | |
1784 | } | |
1785 | } | |
1786 | ||
1787 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
1788 | { | |
1789 | NetCharDriver *s = chr->opaque; | |
1790 | ||
1791 | if (s->fd >= 0) { | |
1792 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
1793 | udp_chr_read, NULL, chr); | |
1794 | } | |
1795 | } | |
1796 | ||
819f56b7 AL |
1797 | static void udp_chr_close(CharDriverState *chr) |
1798 | { | |
1799 | NetCharDriver *s = chr->opaque; | |
1800 | if (s->fd >= 0) { | |
1801 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1802 | closesocket(s->fd); | |
1803 | } | |
1804 | qemu_free(s); | |
793cbfb5 | 1805 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
1806 | } |
1807 | ||
7e1b35b4 | 1808 | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
6f97dba0 AL |
1809 | { |
1810 | CharDriverState *chr = NULL; | |
1811 | NetCharDriver *s = NULL; | |
1812 | int fd = -1; | |
6f97dba0 AL |
1813 | |
1814 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1815 | s = qemu_mallocz(sizeof(NetCharDriver)); |
6f97dba0 | 1816 | |
7e1b35b4 | 1817 | fd = inet_dgram_opts(opts); |
6f97dba0 | 1818 | if (fd < 0) { |
7e1b35b4 | 1819 | fprintf(stderr, "inet_dgram_opts failed\n"); |
6f97dba0 AL |
1820 | goto return_err; |
1821 | } | |
1822 | ||
1823 | s->fd = fd; | |
1824 | s->bufcnt = 0; | |
1825 | s->bufptr = 0; | |
1826 | chr->opaque = s; | |
1827 | chr->chr_write = udp_chr_write; | |
1828 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 1829 | chr->chr_close = udp_chr_close; |
6f97dba0 AL |
1830 | return chr; |
1831 | ||
1832 | return_err: | |
1833 | if (chr) | |
1834 | free(chr); | |
1835 | if (s) | |
1836 | free(s); | |
1837 | if (fd >= 0) | |
1838 | closesocket(fd); | |
1839 | return NULL; | |
1840 | } | |
1841 | ||
1842 | /***********************************************************/ | |
1843 | /* TCP Net console */ | |
1844 | ||
1845 | typedef struct { | |
1846 | int fd, listen_fd; | |
1847 | int connected; | |
1848 | int max_size; | |
1849 | int do_telnetopt; | |
1850 | int do_nodelay; | |
1851 | int is_unix; | |
7d174059 | 1852 | int msgfd; |
6f97dba0 AL |
1853 | } TCPCharDriver; |
1854 | ||
1855 | static void tcp_chr_accept(void *opaque); | |
1856 | ||
1857 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1858 | { | |
1859 | TCPCharDriver *s = chr->opaque; | |
1860 | if (s->connected) { | |
1861 | return send_all(s->fd, buf, len); | |
1862 | } else { | |
1863 | /* XXX: indicate an error ? */ | |
1864 | return len; | |
1865 | } | |
1866 | } | |
1867 | ||
1868 | static int tcp_chr_read_poll(void *opaque) | |
1869 | { | |
1870 | CharDriverState *chr = opaque; | |
1871 | TCPCharDriver *s = chr->opaque; | |
1872 | if (!s->connected) | |
1873 | return 0; | |
1874 | s->max_size = qemu_chr_can_read(chr); | |
1875 | return s->max_size; | |
1876 | } | |
1877 | ||
1878 | #define IAC 255 | |
1879 | #define IAC_BREAK 243 | |
1880 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
1881 | TCPCharDriver *s, | |
1882 | uint8_t *buf, int *size) | |
1883 | { | |
1884 | /* Handle any telnet client's basic IAC options to satisfy char by | |
1885 | * char mode with no echo. All IAC options will be removed from | |
1886 | * the buf and the do_telnetopt variable will be used to track the | |
1887 | * state of the width of the IAC information. | |
1888 | * | |
1889 | * IAC commands come in sets of 3 bytes with the exception of the | |
1890 | * "IAC BREAK" command and the double IAC. | |
1891 | */ | |
1892 | ||
1893 | int i; | |
1894 | int j = 0; | |
1895 | ||
1896 | for (i = 0; i < *size; i++) { | |
1897 | if (s->do_telnetopt > 1) { | |
1898 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
1899 | /* Double IAC means send an IAC */ | |
1900 | if (j != i) | |
1901 | buf[j] = buf[i]; | |
1902 | j++; | |
1903 | s->do_telnetopt = 1; | |
1904 | } else { | |
1905 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
1906 | /* Handle IAC break commands by sending a serial break */ | |
1907 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
1908 | s->do_telnetopt++; | |
1909 | } | |
1910 | s->do_telnetopt++; | |
1911 | } | |
1912 | if (s->do_telnetopt >= 4) { | |
1913 | s->do_telnetopt = 1; | |
1914 | } | |
1915 | } else { | |
1916 | if ((unsigned char)buf[i] == IAC) { | |
1917 | s->do_telnetopt = 2; | |
1918 | } else { | |
1919 | if (j != i) | |
1920 | buf[j] = buf[i]; | |
1921 | j++; | |
1922 | } | |
1923 | } | |
1924 | } | |
1925 | *size = j; | |
1926 | } | |
1927 | ||
7d174059 MM |
1928 | static int tcp_get_msgfd(CharDriverState *chr) |
1929 | { | |
1930 | TCPCharDriver *s = chr->opaque; | |
1931 | ||
1932 | return s->msgfd; | |
1933 | } | |
1934 | ||
73bcc2ac | 1935 | #ifndef _WIN32 |
7d174059 MM |
1936 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
1937 | { | |
1938 | TCPCharDriver *s = chr->opaque; | |
1939 | struct cmsghdr *cmsg; | |
1940 | ||
1941 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { | |
1942 | int fd; | |
1943 | ||
1944 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || | |
1945 | cmsg->cmsg_level != SOL_SOCKET || | |
1946 | cmsg->cmsg_type != SCM_RIGHTS) | |
1947 | continue; | |
1948 | ||
1949 | fd = *((int *)CMSG_DATA(cmsg)); | |
1950 | if (fd < 0) | |
1951 | continue; | |
1952 | ||
1953 | if (s->msgfd != -1) | |
1954 | close(s->msgfd); | |
1955 | s->msgfd = fd; | |
1956 | } | |
1957 | } | |
1958 | ||
9977c894 MM |
1959 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
1960 | { | |
1961 | TCPCharDriver *s = chr->opaque; | |
7cba04f6 | 1962 | struct msghdr msg = { NULL, }; |
9977c894 | 1963 | struct iovec iov[1]; |
7d174059 MM |
1964 | union { |
1965 | struct cmsghdr cmsg; | |
1966 | char control[CMSG_SPACE(sizeof(int))]; | |
1967 | } msg_control; | |
1968 | ssize_t ret; | |
9977c894 MM |
1969 | |
1970 | iov[0].iov_base = buf; | |
1971 | iov[0].iov_len = len; | |
1972 | ||
1973 | msg.msg_iov = iov; | |
1974 | msg.msg_iovlen = 1; | |
7d174059 MM |
1975 | msg.msg_control = &msg_control; |
1976 | msg.msg_controllen = sizeof(msg_control); | |
1977 | ||
1978 | ret = recvmsg(s->fd, &msg, 0); | |
1979 | if (ret > 0 && s->is_unix) | |
1980 | unix_process_msgfd(chr, &msg); | |
9977c894 | 1981 | |
7d174059 | 1982 | return ret; |
9977c894 MM |
1983 | } |
1984 | #else | |
1985 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) | |
1986 | { | |
1987 | TCPCharDriver *s = chr->opaque; | |
1988 | return recv(s->fd, buf, len, 0); | |
1989 | } | |
1990 | #endif | |
1991 | ||
6f97dba0 AL |
1992 | static void tcp_chr_read(void *opaque) |
1993 | { | |
1994 | CharDriverState *chr = opaque; | |
1995 | TCPCharDriver *s = chr->opaque; | |
1996 | uint8_t buf[1024]; | |
1997 | int len, size; | |
1998 | ||
1999 | if (!s->connected || s->max_size <= 0) | |
2000 | return; | |
2001 | len = sizeof(buf); | |
2002 | if (len > s->max_size) | |
2003 | len = s->max_size; | |
9977c894 | 2004 | size = tcp_chr_recv(chr, (void *)buf, len); |
6f97dba0 AL |
2005 | if (size == 0) { |
2006 | /* connection closed */ | |
2007 | s->connected = 0; | |
2008 | if (s->listen_fd >= 0) { | |
2009 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2010 | } | |
2011 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2012 | closesocket(s->fd); | |
2013 | s->fd = -1; | |
793cbfb5 | 2014 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2015 | } else if (size > 0) { |
2016 | if (s->do_telnetopt) | |
2017 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2018 | if (size > 0) | |
2019 | qemu_chr_read(chr, buf, size); | |
7d174059 MM |
2020 | if (s->msgfd != -1) { |
2021 | close(s->msgfd); | |
2022 | s->msgfd = -1; | |
2023 | } | |
6f97dba0 AL |
2024 | } |
2025 | } | |
2026 | ||
2027 | static void tcp_chr_connect(void *opaque) | |
2028 | { | |
2029 | CharDriverState *chr = opaque; | |
2030 | TCPCharDriver *s = chr->opaque; | |
2031 | ||
2032 | s->connected = 1; | |
2033 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2034 | tcp_chr_read, NULL, chr); | |
2035 | qemu_chr_reset(chr); | |
2036 | } | |
2037 | ||
2038 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2039 | static void tcp_chr_telnet_init(int fd) | |
2040 | { | |
2041 | char buf[3]; | |
2042 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2043 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2044 | send(fd, (char *)buf, 3, 0); | |
2045 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2046 | send(fd, (char *)buf, 3, 0); | |
2047 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2048 | send(fd, (char *)buf, 3, 0); | |
2049 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2050 | send(fd, (char *)buf, 3, 0); | |
2051 | } | |
2052 | ||
2053 | static void socket_set_nodelay(int fd) | |
2054 | { | |
2055 | int val = 1; | |
2056 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
2057 | } | |
2058 | ||
2059 | static void tcp_chr_accept(void *opaque) | |
2060 | { | |
2061 | CharDriverState *chr = opaque; | |
2062 | TCPCharDriver *s = chr->opaque; | |
2063 | struct sockaddr_in saddr; | |
2064 | #ifndef _WIN32 | |
2065 | struct sockaddr_un uaddr; | |
2066 | #endif | |
2067 | struct sockaddr *addr; | |
2068 | socklen_t len; | |
2069 | int fd; | |
2070 | ||
2071 | for(;;) { | |
2072 | #ifndef _WIN32 | |
2073 | if (s->is_unix) { | |
2074 | len = sizeof(uaddr); | |
2075 | addr = (struct sockaddr *)&uaddr; | |
2076 | } else | |
2077 | #endif | |
2078 | { | |
2079 | len = sizeof(saddr); | |
2080 | addr = (struct sockaddr *)&saddr; | |
2081 | } | |
2082 | fd = accept(s->listen_fd, addr, &len); | |
2083 | if (fd < 0 && errno != EINTR) { | |
2084 | return; | |
2085 | } else if (fd >= 0) { | |
2086 | if (s->do_telnetopt) | |
2087 | tcp_chr_telnet_init(fd); | |
2088 | break; | |
2089 | } | |
2090 | } | |
2091 | socket_set_nonblock(fd); | |
2092 | if (s->do_nodelay) | |
2093 | socket_set_nodelay(fd); | |
2094 | s->fd = fd; | |
2095 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
2096 | tcp_chr_connect(chr); | |
2097 | } | |
2098 | ||
2099 | static void tcp_chr_close(CharDriverState *chr) | |
2100 | { | |
2101 | TCPCharDriver *s = chr->opaque; | |
819f56b7 AL |
2102 | if (s->fd >= 0) { |
2103 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
6f97dba0 | 2104 | closesocket(s->fd); |
819f56b7 AL |
2105 | } |
2106 | if (s->listen_fd >= 0) { | |
2107 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
6f97dba0 | 2108 | closesocket(s->listen_fd); |
819f56b7 | 2109 | } |
6f97dba0 | 2110 | qemu_free(s); |
793cbfb5 | 2111 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2112 | } |
2113 | ||
aeb2c47a | 2114 | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) |
6f97dba0 AL |
2115 | { |
2116 | CharDriverState *chr = NULL; | |
2117 | TCPCharDriver *s = NULL; | |
aeb2c47a GH |
2118 | int fd = -1; |
2119 | int is_listen; | |
2120 | int is_waitconnect; | |
2121 | int do_nodelay; | |
2122 | int is_unix; | |
2123 | int is_telnet; | |
2124 | ||
2125 | is_listen = qemu_opt_get_bool(opts, "server", 0); | |
2126 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); | |
2127 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); | |
2128 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); | |
2129 | is_unix = qemu_opt_get(opts, "path") != NULL; | |
6f97dba0 AL |
2130 | if (!is_listen) |
2131 | is_waitconnect = 0; | |
2132 | ||
2133 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 2134 | s = qemu_mallocz(sizeof(TCPCharDriver)); |
6f97dba0 | 2135 | |
f07b6003 AL |
2136 | if (is_unix) { |
2137 | if (is_listen) { | |
aeb2c47a | 2138 | fd = unix_listen_opts(opts); |
f07b6003 | 2139 | } else { |
aeb2c47a | 2140 | fd = unix_connect_opts(opts); |
f07b6003 AL |
2141 | } |
2142 | } else { | |
2143 | if (is_listen) { | |
aeb2c47a | 2144 | fd = inet_listen_opts(opts, 0); |
f07b6003 | 2145 | } else { |
aeb2c47a | 2146 | fd = inet_connect_opts(opts); |
f07b6003 AL |
2147 | } |
2148 | } | |
6f97dba0 AL |
2149 | if (fd < 0) |
2150 | goto fail; | |
2151 | ||
2152 | if (!is_waitconnect) | |
2153 | socket_set_nonblock(fd); | |
2154 | ||
2155 | s->connected = 0; | |
2156 | s->fd = -1; | |
2157 | s->listen_fd = -1; | |
7d174059 | 2158 | s->msgfd = -1; |
6f97dba0 AL |
2159 | s->is_unix = is_unix; |
2160 | s->do_nodelay = do_nodelay && !is_unix; | |
2161 | ||
2162 | chr->opaque = s; | |
2163 | chr->chr_write = tcp_chr_write; | |
2164 | chr->chr_close = tcp_chr_close; | |
7d174059 | 2165 | chr->get_msgfd = tcp_get_msgfd; |
6f97dba0 AL |
2166 | |
2167 | if (is_listen) { | |
6f97dba0 AL |
2168 | s->listen_fd = fd; |
2169 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2170 | if (is_telnet) | |
2171 | s->do_telnetopt = 1; | |
aeb2c47a | 2172 | |
6f97dba0 | 2173 | } else { |
f07b6003 | 2174 | s->connected = 1; |
6f97dba0 AL |
2175 | s->fd = fd; |
2176 | socket_set_nodelay(fd); | |
f07b6003 | 2177 | tcp_chr_connect(chr); |
6f97dba0 AL |
2178 | } |
2179 | ||
aeb2c47a GH |
2180 | /* for "info chardev" monitor command */ |
2181 | chr->filename = qemu_malloc(256); | |
2182 | if (is_unix) { | |
2183 | snprintf(chr->filename, 256, "unix:%s%s", | |
2184 | qemu_opt_get(opts, "path"), | |
2185 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2186 | } else if (is_telnet) { | |
2187 | snprintf(chr->filename, 256, "telnet:%s:%s%s", | |
2188 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2189 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2190 | } else { | |
2191 | snprintf(chr->filename, 256, "tcp:%s:%s%s", | |
2192 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2193 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2194 | } | |
2195 | ||
6f97dba0 | 2196 | if (is_listen && is_waitconnect) { |
f07b6003 | 2197 | printf("QEMU waiting for connection on: %s\n", |
aeb2c47a | 2198 | chr->filename); |
6f97dba0 AL |
2199 | tcp_chr_accept(chr); |
2200 | socket_set_nonblock(s->listen_fd); | |
2201 | } | |
6f97dba0 | 2202 | return chr; |
aeb2c47a | 2203 | |
6f97dba0 AL |
2204 | fail: |
2205 | if (fd >= 0) | |
2206 | closesocket(fd); | |
2207 | qemu_free(s); | |
2208 | qemu_free(chr); | |
2209 | return NULL; | |
2210 | } | |
2211 | ||
191bc01b GH |
2212 | static QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
2213 | { | |
6ea314d9 | 2214 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 2215 | int pos; |
7d31544f | 2216 | const char *p; |
191bc01b GH |
2217 | QemuOpts *opts; |
2218 | ||
2219 | opts = qemu_opts_create(&qemu_chardev_opts, label, 1); | |
2220 | if (NULL == opts) | |
2221 | return NULL; | |
2222 | ||
7591c5c1 GH |
2223 | if (strstart(filename, "mon:", &p)) { |
2224 | filename = p; | |
2225 | qemu_opt_set(opts, "mux", "on"); | |
2226 | } | |
2227 | ||
f0457e8d GH |
2228 | if (strcmp(filename, "null") == 0 || |
2229 | strcmp(filename, "pty") == 0 || | |
2230 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 2231 | strcmp(filename, "braille") == 0 || |
f0457e8d | 2232 | strcmp(filename, "stdio") == 0) { |
4490dadf | 2233 | qemu_opt_set(opts, "backend", filename); |
191bc01b GH |
2234 | return opts; |
2235 | } | |
6ea314d9 GH |
2236 | if (strstart(filename, "vc", &p)) { |
2237 | qemu_opt_set(opts, "backend", "vc"); | |
2238 | if (*p == ':') { | |
2239 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { | |
2240 | /* pixels */ | |
2241 | qemu_opt_set(opts, "width", width); | |
2242 | qemu_opt_set(opts, "height", height); | |
2243 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { | |
2244 | /* chars */ | |
2245 | qemu_opt_set(opts, "cols", width); | |
2246 | qemu_opt_set(opts, "rows", height); | |
2247 | } else { | |
2248 | goto fail; | |
2249 | } | |
2250 | } | |
2251 | return opts; | |
2252 | } | |
d6c983cd GH |
2253 | if (strcmp(filename, "con:") == 0) { |
2254 | qemu_opt_set(opts, "backend", "console"); | |
2255 | return opts; | |
2256 | } | |
48b76496 GH |
2257 | if (strstart(filename, "COM", NULL)) { |
2258 | qemu_opt_set(opts, "backend", "serial"); | |
2259 | qemu_opt_set(opts, "path", filename); | |
2260 | return opts; | |
2261 | } | |
7d31544f GH |
2262 | if (strstart(filename, "file:", &p)) { |
2263 | qemu_opt_set(opts, "backend", "file"); | |
2264 | qemu_opt_set(opts, "path", p); | |
2265 | return opts; | |
2266 | } | |
2267 | if (strstart(filename, "pipe:", &p)) { | |
2268 | qemu_opt_set(opts, "backend", "pipe"); | |
2269 | qemu_opt_set(opts, "path", p); | |
2270 | return opts; | |
2271 | } | |
aeb2c47a GH |
2272 | if (strstart(filename, "tcp:", &p) || |
2273 | strstart(filename, "telnet:", &p)) { | |
2274 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2275 | host[0] = 0; | |
2276 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
2277 | goto fail; | |
2278 | } | |
2279 | qemu_opt_set(opts, "backend", "socket"); | |
2280 | qemu_opt_set(opts, "host", host); | |
2281 | qemu_opt_set(opts, "port", port); | |
2282 | if (p[pos] == ',') { | |
2283 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) | |
2284 | goto fail; | |
2285 | } | |
2286 | if (strstart(filename, "telnet:", &p)) | |
2287 | qemu_opt_set(opts, "telnet", "on"); | |
2288 | return opts; | |
2289 | } | |
7e1b35b4 GH |
2290 | if (strstart(filename, "udp:", &p)) { |
2291 | qemu_opt_set(opts, "backend", "udp"); | |
2292 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { | |
2293 | host[0] = 0; | |
2294 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
2295 | fprintf(stderr, "udp #1\n"); | |
2296 | goto fail; | |
2297 | } | |
2298 | } | |
2299 | qemu_opt_set(opts, "host", host); | |
2300 | qemu_opt_set(opts, "port", port); | |
2301 | if (p[pos] == '@') { | |
2302 | p += pos + 1; | |
2303 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2304 | host[0] = 0; | |
2305 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
2306 | fprintf(stderr, "udp #2\n"); | |
2307 | goto fail; | |
2308 | } | |
2309 | } | |
2310 | qemu_opt_set(opts, "localaddr", host); | |
2311 | qemu_opt_set(opts, "localport", port); | |
2312 | } | |
2313 | return opts; | |
2314 | } | |
aeb2c47a GH |
2315 | if (strstart(filename, "unix:", &p)) { |
2316 | qemu_opt_set(opts, "backend", "socket"); | |
2317 | if (qemu_opts_do_parse(opts, p, "path") != 0) | |
2318 | goto fail; | |
2319 | return opts; | |
2320 | } | |
48b76496 GH |
2321 | if (strstart(filename, "/dev/parport", NULL) || |
2322 | strstart(filename, "/dev/ppi", NULL)) { | |
2323 | qemu_opt_set(opts, "backend", "parport"); | |
2324 | qemu_opt_set(opts, "path", filename); | |
2325 | return opts; | |
2326 | } | |
2327 | if (strstart(filename, "/dev/", NULL)) { | |
2328 | qemu_opt_set(opts, "backend", "tty"); | |
2329 | qemu_opt_set(opts, "path", filename); | |
2330 | return opts; | |
2331 | } | |
191bc01b | 2332 | |
aeb2c47a GH |
2333 | fail: |
2334 | fprintf(stderr, "%s: fail on \"%s\"\n", __FUNCTION__, filename); | |
191bc01b GH |
2335 | qemu_opts_del(opts); |
2336 | return NULL; | |
2337 | } | |
2338 | ||
2339 | static const struct { | |
2340 | const char *name; | |
2341 | CharDriverState *(*open)(QemuOpts *opts); | |
2342 | } backend_table[] = { | |
2343 | { .name = "null", .open = qemu_chr_open_null }, | |
aeb2c47a | 2344 | { .name = "socket", .open = qemu_chr_open_socket }, |
7e1b35b4 | 2345 | { .name = "udp", .open = qemu_chr_open_udp }, |
f0457e8d | 2346 | { .name = "msmouse", .open = qemu_chr_open_msmouse }, |
6ea314d9 | 2347 | { .name = "vc", .open = text_console_init }, |
7d31544f GH |
2348 | #ifdef _WIN32 |
2349 | { .name = "file", .open = qemu_chr_open_win_file_out }, | |
2350 | { .name = "pipe", .open = qemu_chr_open_win_pipe }, | |
d6c983cd | 2351 | { .name = "console", .open = qemu_chr_open_win_con }, |
48b76496 | 2352 | { .name = "serial", .open = qemu_chr_open_win }, |
7d31544f GH |
2353 | #else |
2354 | { .name = "file", .open = qemu_chr_open_file_out }, | |
2355 | { .name = "pipe", .open = qemu_chr_open_pipe }, | |
4490dadf | 2356 | { .name = "pty", .open = qemu_chr_open_pty }, |
3c17affb | 2357 | { .name = "stdio", .open = qemu_chr_open_stdio }, |
7d31544f | 2358 | #endif |
dc1c21e6 GH |
2359 | #ifdef CONFIG_BRLAPI |
2360 | { .name = "braille", .open = chr_baum_init }, | |
2361 | #endif | |
48b76496 GH |
2362 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
2363 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) | |
2364 | { .name = "tty", .open = qemu_chr_open_tty }, | |
2365 | #endif | |
2366 | #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) | |
2367 | { .name = "parport", .open = qemu_chr_open_pp }, | |
2368 | #endif | |
191bc01b GH |
2369 | }; |
2370 | ||
2371 | CharDriverState *qemu_chr_open_opts(QemuOpts *opts, | |
2372 | void (*init)(struct CharDriverState *s)) | |
2373 | { | |
2374 | CharDriverState *chr; | |
2375 | int i; | |
2376 | ||
2377 | if (qemu_opts_id(opts) == NULL) { | |
2378 | fprintf(stderr, "chardev: no id specified\n"); | |
2379 | return NULL; | |
2380 | } | |
2381 | ||
2382 | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { | |
2383 | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) | |
2384 | break; | |
2385 | } | |
2386 | if (i == ARRAY_SIZE(backend_table)) { | |
2387 | fprintf(stderr, "chardev: backend \"%s\" not found\n", | |
2388 | qemu_opt_get(opts, "backend")); | |
2389 | return NULL; | |
2390 | } | |
2391 | ||
2392 | chr = backend_table[i].open(opts); | |
2393 | if (!chr) { | |
2394 | fprintf(stderr, "chardev: opening backend \"%s\" failed\n", | |
2395 | qemu_opt_get(opts, "backend")); | |
2396 | return NULL; | |
2397 | } | |
2398 | ||
2399 | if (!chr->filename) | |
2400 | chr->filename = qemu_strdup(qemu_opt_get(opts, "backend")); | |
2401 | chr->init = init; | |
191bc01b | 2402 | TAILQ_INSERT_TAIL(&chardevs, chr, next); |
7591c5c1 GH |
2403 | |
2404 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
2405 | CharDriverState *base = chr; | |
2406 | int len = strlen(qemu_opts_id(opts)) + 6; | |
2407 | base->label = qemu_malloc(len); | |
2408 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); | |
2409 | chr = qemu_chr_open_mux(base); | |
2410 | chr->filename = base->filename; | |
2411 | TAILQ_INSERT_TAIL(&chardevs, chr, next); | |
2412 | } | |
2413 | chr->label = qemu_strdup(qemu_opts_id(opts)); | |
191bc01b GH |
2414 | return chr; |
2415 | } | |
2416 | ||
ceecf1d1 | 2417 | CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
2418 | { |
2419 | const char *p; | |
2420 | CharDriverState *chr; | |
191bc01b GH |
2421 | QemuOpts *opts; |
2422 | ||
c845f401 GH |
2423 | if (strstart(filename, "chardev:", &p)) { |
2424 | return qemu_chr_find(p); | |
2425 | } | |
2426 | ||
191bc01b | 2427 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
2428 | if (!opts) |
2429 | return NULL; | |
6f97dba0 | 2430 | |
7e1b35b4 GH |
2431 | chr = qemu_chr_open_opts(opts, init); |
2432 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { | |
2433 | monitor_init(chr, MONITOR_USE_READLINE); | |
6f97dba0 AL |
2434 | } |
2435 | return chr; | |
2436 | } | |
2437 | ||
2438 | void qemu_chr_close(CharDriverState *chr) | |
2439 | { | |
2440 | TAILQ_REMOVE(&chardevs, chr, next); | |
2441 | if (chr->chr_close) | |
2442 | chr->chr_close(chr); | |
2443 | qemu_free(chr->filename); | |
2444 | qemu_free(chr->label); | |
2445 | qemu_free(chr); | |
2446 | } | |
2447 | ||
376253ec | 2448 | void qemu_chr_info(Monitor *mon) |
6f97dba0 AL |
2449 | { |
2450 | CharDriverState *chr; | |
2451 | ||
2452 | TAILQ_FOREACH(chr, &chardevs, next) { | |
376253ec | 2453 | monitor_printf(mon, "%s: filename=%s\n", chr->label, chr->filename); |
6f97dba0 AL |
2454 | } |
2455 | } | |
c845f401 GH |
2456 | |
2457 | CharDriverState *qemu_chr_find(const char *name) | |
2458 | { | |
2459 | CharDriverState *chr; | |
2460 | ||
2461 | TAILQ_FOREACH(chr, &chardevs, next) { | |
2462 | if (strcmp(chr->label, name) != 0) | |
2463 | continue; | |
2464 | return chr; | |
2465 | } | |
2466 | return NULL; | |
2467 | } |