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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" | |
cf3ebac7 AJ |
31 | #include "hw/usb.h" |
32 | #include "hw/baum.h" | |
aa71cf80 | 33 | #include "hw/msmouse.h" |
c5a415a0 | 34 | #include "qmp-commands.h" |
6f97dba0 AL |
35 | |
36 | #include <unistd.h> | |
37 | #include <fcntl.h> | |
6f97dba0 AL |
38 | #include <time.h> |
39 | #include <errno.h> | |
40 | #include <sys/time.h> | |
41 | #include <zlib.h> | |
42 | ||
43 | #ifndef _WIN32 | |
44 | #include <sys/times.h> | |
45 | #include <sys/wait.h> | |
46 | #include <termios.h> | |
47 | #include <sys/mman.h> | |
48 | #include <sys/ioctl.h> | |
24646c7e | 49 | #include <sys/resource.h> |
6f97dba0 AL |
50 | #include <sys/socket.h> |
51 | #include <netinet/in.h> | |
24646c7e | 52 | #include <net/if.h> |
24646c7e | 53 | #include <arpa/inet.h> |
6f97dba0 AL |
54 | #include <dirent.h> |
55 | #include <netdb.h> | |
56 | #include <sys/select.h> | |
71e72a19 | 57 | #ifdef CONFIG_BSD |
6f97dba0 | 58 | #include <sys/stat.h> |
a167ba50 | 59 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
6f97dba0 | 60 | #include <libutil.h> |
6972f935 BS |
61 | #include <dev/ppbus/ppi.h> |
62 | #include <dev/ppbus/ppbconf.h> | |
a167ba50 AJ |
63 | #if defined(__GLIBC__) |
64 | #include <pty.h> | |
65 | #endif | |
c5e97233 BS |
66 | #elif defined(__DragonFly__) |
67 | #include <libutil.h> | |
68 | #include <dev/misc/ppi/ppi.h> | |
69 | #include <bus/ppbus/ppbconf.h> | |
24646c7e BS |
70 | #else |
71 | #include <util.h> | |
6f97dba0 | 72 | #endif |
bbe813a2 | 73 | #else |
6f97dba0 | 74 | #ifdef __linux__ |
6f97dba0 AL |
75 | #include <pty.h> |
76 | ||
77 | #include <linux/ppdev.h> | |
78 | #include <linux/parport.h> | |
79 | #endif | |
80 | #ifdef __sun__ | |
81 | #include <sys/stat.h> | |
82 | #include <sys/ethernet.h> | |
83 | #include <sys/sockio.h> | |
84 | #include <netinet/arp.h> | |
85 | #include <netinet/in.h> | |
86 | #include <netinet/in_systm.h> | |
87 | #include <netinet/ip.h> | |
88 | #include <netinet/ip_icmp.h> // must come after ip.h | |
89 | #include <netinet/udp.h> | |
90 | #include <netinet/tcp.h> | |
91 | #include <net/if.h> | |
92 | #include <syslog.h> | |
93 | #include <stropts.h> | |
94 | #endif | |
95 | #endif | |
96 | #endif | |
97 | ||
98 | #include "qemu_socket.h" | |
cbcc6336 | 99 | #include "ui/qemu-spice.h" |
6f97dba0 | 100 | |
9bd7854e AS |
101 | #define READ_BUF_LEN 4096 |
102 | ||
6f97dba0 AL |
103 | /***********************************************************/ |
104 | /* character device */ | |
105 | ||
72cf2d4f BS |
106 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
107 | QTAILQ_HEAD_INITIALIZER(chardevs); | |
2970a6c9 | 108 | |
a425d23f | 109 | void qemu_chr_be_event(CharDriverState *s, int event) |
6f97dba0 | 110 | { |
73cdf3f2 AG |
111 | /* Keep track if the char device is open */ |
112 | switch (event) { | |
113 | case CHR_EVENT_OPENED: | |
114 | s->opened = 1; | |
115 | break; | |
116 | case CHR_EVENT_CLOSED: | |
117 | s->opened = 0; | |
118 | break; | |
119 | } | |
120 | ||
6f97dba0 AL |
121 | if (!s->chr_event) |
122 | return; | |
123 | s->chr_event(s->handler_opaque, event); | |
124 | } | |
125 | ||
127338e6 | 126 | static void qemu_chr_generic_open_bh(void *opaque) |
6f97dba0 AL |
127 | { |
128 | CharDriverState *s = opaque; | |
a425d23f | 129 | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
6f97dba0 AL |
130 | qemu_bh_delete(s->bh); |
131 | s->bh = NULL; | |
132 | } | |
133 | ||
127338e6 | 134 | void qemu_chr_generic_open(CharDriverState *s) |
6f97dba0 | 135 | { |
69795d67 | 136 | if (s->bh == NULL) { |
127338e6 | 137 | s->bh = qemu_bh_new(qemu_chr_generic_open_bh, s); |
6f97dba0 AL |
138 | qemu_bh_schedule(s->bh); |
139 | } | |
140 | } | |
141 | ||
2cc6e0a1 | 142 | int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len) |
6f97dba0 AL |
143 | { |
144 | return s->chr_write(s, buf, len); | |
145 | } | |
146 | ||
41084f1b | 147 | int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg) |
6f97dba0 AL |
148 | { |
149 | if (!s->chr_ioctl) | |
150 | return -ENOTSUP; | |
151 | return s->chr_ioctl(s, cmd, arg); | |
152 | } | |
153 | ||
909cda12 | 154 | int qemu_chr_be_can_write(CharDriverState *s) |
6f97dba0 AL |
155 | { |
156 | if (!s->chr_can_read) | |
157 | return 0; | |
158 | return s->chr_can_read(s->handler_opaque); | |
159 | } | |
160 | ||
fa5efccb | 161 | void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) |
6f97dba0 AL |
162 | { |
163 | s->chr_read(s->handler_opaque, buf, len); | |
164 | } | |
165 | ||
74c0d6f0 | 166 | int qemu_chr_fe_get_msgfd(CharDriverState *s) |
7d174059 MM |
167 | { |
168 | return s->get_msgfd ? s->get_msgfd(s) : -1; | |
169 | } | |
170 | ||
13661089 DB |
171 | int qemu_chr_add_client(CharDriverState *s, int fd) |
172 | { | |
173 | return s->chr_add_client ? s->chr_add_client(s, fd) : -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 | ||
e7e71b0e | 182 | void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) |
6f97dba0 | 183 | { |
9bd7854e | 184 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
185 | va_list ap; |
186 | va_start(ap, fmt); | |
187 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
2cc6e0a1 | 188 | qemu_chr_fe_write(s, (uint8_t *)buf, strlen(buf)); |
6f97dba0 AL |
189 | va_end(ap); |
190 | } | |
191 | ||
6f97dba0 | 192 | void qemu_chr_add_handlers(CharDriverState *s, |
7b27a769 | 193 | IOCanReadHandler *fd_can_read, |
6f97dba0 AL |
194 | IOReadHandler *fd_read, |
195 | IOEventHandler *fd_event, | |
196 | void *opaque) | |
197 | { | |
da7d998b | 198 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
2d6c1ef4 | 199 | /* chr driver being released. */ |
d5b27167 | 200 | ++s->avail_connections; |
2d6c1ef4 | 201 | } |
6f97dba0 AL |
202 | s->chr_can_read = fd_can_read; |
203 | s->chr_read = fd_read; | |
204 | s->chr_event = fd_event; | |
205 | s->handler_opaque = opaque; | |
206 | if (s->chr_update_read_handler) | |
207 | s->chr_update_read_handler(s); | |
73cdf3f2 AG |
208 | |
209 | /* We're connecting to an already opened device, so let's make sure we | |
210 | also get the open event */ | |
211 | if (s->opened) { | |
212 | qemu_chr_generic_open(s); | |
213 | } | |
6f97dba0 AL |
214 | } |
215 | ||
216 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
217 | { | |
218 | return len; | |
219 | } | |
220 | ||
1f51470d | 221 | static CharDriverState *qemu_chr_open_null(QemuOpts *opts) |
6f97dba0 AL |
222 | { |
223 | CharDriverState *chr; | |
224 | ||
7267c094 | 225 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 | 226 | chr->chr_write = null_chr_write; |
1f51470d | 227 | return chr; |
6f97dba0 AL |
228 | } |
229 | ||
230 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
231 | #define MAX_MUX 4 |
232 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
233 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
234 | typedef struct { | |
7b27a769 | 235 | IOCanReadHandler *chr_can_read[MAX_MUX]; |
6f97dba0 AL |
236 | IOReadHandler *chr_read[MAX_MUX]; |
237 | IOEventHandler *chr_event[MAX_MUX]; | |
238 | void *ext_opaque[MAX_MUX]; | |
239 | CharDriverState *drv; | |
799f1f23 | 240 | int focus; |
6f97dba0 AL |
241 | int mux_cnt; |
242 | int term_got_escape; | |
243 | int max_size; | |
a80bf99f AL |
244 | /* Intermediate input buffer allows to catch escape sequences even if the |
245 | currently active device is not accepting any input - but only until it | |
246 | is full as well. */ | |
247 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
248 | int prod[MAX_MUX]; | |
249 | int cons[MAX_MUX]; | |
2d22959d | 250 | int timestamps; |
4ab312f7 | 251 | int linestart; |
2d22959d | 252 | int64_t timestamps_start; |
6f97dba0 AL |
253 | } MuxDriver; |
254 | ||
255 | ||
256 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
257 | { | |
258 | MuxDriver *d = chr->opaque; | |
259 | int ret; | |
2d22959d | 260 | if (!d->timestamps) { |
6f97dba0 AL |
261 | ret = d->drv->chr_write(d->drv, buf, len); |
262 | } else { | |
263 | int i; | |
264 | ||
265 | ret = 0; | |
4ab312f7 JK |
266 | for (i = 0; i < len; i++) { |
267 | if (d->linestart) { | |
6f97dba0 AL |
268 | char buf1[64]; |
269 | int64_t ti; | |
270 | int secs; | |
271 | ||
7bd427d8 | 272 | ti = qemu_get_clock_ms(rt_clock); |
2d22959d JK |
273 | if (d->timestamps_start == -1) |
274 | d->timestamps_start = ti; | |
275 | ti -= d->timestamps_start; | |
a4bb1db8 | 276 | secs = ti / 1000; |
6f97dba0 AL |
277 | snprintf(buf1, sizeof(buf1), |
278 | "[%02d:%02d:%02d.%03d] ", | |
279 | secs / 3600, | |
280 | (secs / 60) % 60, | |
281 | secs % 60, | |
a4bb1db8 | 282 | (int)(ti % 1000)); |
6f97dba0 | 283 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
284 | d->linestart = 0; |
285 | } | |
286 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
287 | if (buf[i] == '\n') { | |
288 | d->linestart = 1; | |
6f97dba0 AL |
289 | } |
290 | } | |
291 | } | |
292 | return ret; | |
293 | } | |
294 | ||
295 | static const char * const mux_help[] = { | |
296 | "% h print this help\n\r", | |
297 | "% x exit emulator\n\r", | |
298 | "% s save disk data back to file (if -snapshot)\n\r", | |
299 | "% t toggle console timestamps\n\r" | |
300 | "% b send break (magic sysrq)\n\r", | |
301 | "% c switch between console and monitor\n\r", | |
302 | "% % sends %\n\r", | |
303 | NULL | |
304 | }; | |
305 | ||
306 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
307 | static void mux_print_help(CharDriverState *chr) | |
308 | { | |
309 | int i, j; | |
310 | char ebuf[15] = "Escape-Char"; | |
311 | char cbuf[50] = "\n\r"; | |
312 | ||
313 | if (term_escape_char > 0 && term_escape_char < 26) { | |
314 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
315 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
316 | } else { | |
317 | snprintf(cbuf, sizeof(cbuf), | |
318 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
319 | term_escape_char); | |
320 | } | |
321 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
322 | for (i = 0; mux_help[i] != NULL; i++) { | |
323 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
324 | if (mux_help[i][j] == '%') | |
325 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
326 | else | |
327 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
328 | } | |
329 | } | |
330 | } | |
331 | ||
2724b180 AL |
332 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
333 | { | |
334 | if (d->chr_event[mux_nr]) | |
335 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
336 | } | |
337 | ||
6f97dba0 AL |
338 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
339 | { | |
340 | if (d->term_got_escape) { | |
341 | d->term_got_escape = 0; | |
342 | if (ch == term_escape_char) | |
343 | goto send_char; | |
344 | switch(ch) { | |
345 | case '?': | |
346 | case 'h': | |
347 | mux_print_help(chr); | |
348 | break; | |
349 | case 'x': | |
350 | { | |
351 | const char *term = "QEMU: Terminated\n\r"; | |
352 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
353 | exit(0); | |
354 | break; | |
355 | } | |
356 | case 's': | |
6ab4b5ab | 357 | bdrv_commit_all(); |
6f97dba0 AL |
358 | break; |
359 | case 'b': | |
a425d23f | 360 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
361 | break; |
362 | case 'c': | |
363 | /* Switch to the next registered device */ | |
799f1f23 GH |
364 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
365 | d->focus++; | |
366 | if (d->focus >= d->mux_cnt) | |
367 | d->focus = 0; | |
368 | mux_chr_send_event(d, d->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 | { | |
6f97dba0 | 387 | MuxDriver *d = chr->opaque; |
799f1f23 | 388 | int m = d->focus; |
6f97dba0 | 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; | |
799f1f23 | 402 | int m = d->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; | |
799f1f23 | 415 | int m = d->focus; |
6f97dba0 AL |
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 | } | |
799f1f23 GH |
459 | if (d->focus != -1) { |
460 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
a7aec5da | 461 | } |
799f1f23 | 462 | d->focus = d->mux_cnt; |
6f97dba0 | 463 | d->mux_cnt++; |
799f1f23 | 464 | mux_chr_send_event(d, d->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 | ||
7267c094 AL |
472 | chr = g_malloc0(sizeof(CharDriverState)); |
473 | d = g_malloc0(sizeof(MuxDriver)); | |
6f97dba0 AL |
474 | |
475 | chr->opaque = d; | |
476 | d->drv = drv; | |
799f1f23 | 477 | d->focus = -1; |
6f97dba0 AL |
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; | |
7c32c4fe HG |
481 | /* Frontend guest-open / -close notification is not support with muxes */ |
482 | chr->chr_guest_open = NULL; | |
483 | chr->chr_guest_close = NULL; | |
73cdf3f2 AG |
484 | |
485 | /* Muxes are always open on creation */ | |
486 | qemu_chr_generic_open(chr); | |
487 | ||
6f97dba0 AL |
488 | return chr; |
489 | } | |
490 | ||
491 | ||
492 | #ifdef _WIN32 | |
d247d25f | 493 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
494 | { |
495 | int ret, len; | |
496 | ||
497 | len = len1; | |
498 | while (len > 0) { | |
499 | ret = send(fd, buf, len, 0); | |
500 | if (ret < 0) { | |
6f97dba0 AL |
501 | errno = WSAGetLastError(); |
502 | if (errno != WSAEWOULDBLOCK) { | |
503 | return -1; | |
504 | } | |
505 | } else if (ret == 0) { | |
506 | break; | |
507 | } else { | |
508 | buf += ret; | |
509 | len -= ret; | |
510 | } | |
511 | } | |
512 | return len1 - len; | |
513 | } | |
514 | ||
515 | #else | |
516 | ||
5fc9cfed | 517 | int send_all(int fd, const void *_buf, int len1) |
6f97dba0 AL |
518 | { |
519 | int ret, len; | |
5fc9cfed | 520 | const uint8_t *buf = _buf; |
6f97dba0 AL |
521 | |
522 | len = len1; | |
523 | while (len > 0) { | |
524 | ret = write(fd, buf, len); | |
525 | if (ret < 0) { | |
526 | if (errno != EINTR && errno != EAGAIN) | |
527 | return -1; | |
528 | } else if (ret == 0) { | |
529 | break; | |
530 | } else { | |
531 | buf += ret; | |
532 | len -= ret; | |
533 | } | |
534 | } | |
535 | return len1 - len; | |
536 | } | |
6f97dba0 AL |
537 | #endif /* !_WIN32 */ |
538 | ||
db418a0a FC |
539 | #define STDIO_MAX_CLIENTS 1 |
540 | static int stdio_nb_clients; | |
541 | ||
6f97dba0 AL |
542 | #ifndef _WIN32 |
543 | ||
544 | typedef struct { | |
545 | int fd_in, fd_out; | |
546 | int max_size; | |
547 | } FDCharDriver; | |
548 | ||
6f97dba0 AL |
549 | |
550 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
551 | { | |
552 | FDCharDriver *s = chr->opaque; | |
553 | return send_all(s->fd_out, buf, len); | |
554 | } | |
555 | ||
556 | static int fd_chr_read_poll(void *opaque) | |
557 | { | |
558 | CharDriverState *chr = opaque; | |
559 | FDCharDriver *s = chr->opaque; | |
560 | ||
909cda12 | 561 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
562 | return s->max_size; |
563 | } | |
564 | ||
565 | static void fd_chr_read(void *opaque) | |
566 | { | |
567 | CharDriverState *chr = opaque; | |
568 | FDCharDriver *s = chr->opaque; | |
569 | int size, len; | |
9bd7854e | 570 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
571 | |
572 | len = sizeof(buf); | |
573 | if (len > s->max_size) | |
574 | len = s->max_size; | |
575 | if (len == 0) | |
576 | return; | |
577 | size = read(s->fd_in, buf, len); | |
578 | if (size == 0) { | |
579 | /* FD has been closed. Remove it from the active list. */ | |
580 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
a425d23f | 581 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
582 | return; |
583 | } | |
584 | if (size > 0) { | |
fa5efccb | 585 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
586 | } |
587 | } | |
588 | ||
589 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
590 | { | |
591 | FDCharDriver *s = chr->opaque; | |
592 | ||
593 | if (s->fd_in >= 0) { | |
993fbfdb | 594 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
595 | } else { |
596 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
597 | fd_chr_read, NULL, chr); | |
598 | } | |
599 | } | |
600 | } | |
601 | ||
602 | static void fd_chr_close(struct CharDriverState *chr) | |
603 | { | |
604 | FDCharDriver *s = chr->opaque; | |
605 | ||
606 | if (s->fd_in >= 0) { | |
993fbfdb | 607 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
608 | } else { |
609 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
610 | } | |
611 | } | |
612 | ||
7267c094 | 613 | g_free(s); |
a425d23f | 614 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
615 | } |
616 | ||
617 | /* open a character device to a unix fd */ | |
618 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
619 | { | |
620 | CharDriverState *chr; | |
621 | FDCharDriver *s; | |
622 | ||
7267c094 AL |
623 | chr = g_malloc0(sizeof(CharDriverState)); |
624 | s = g_malloc0(sizeof(FDCharDriver)); | |
6f97dba0 AL |
625 | s->fd_in = fd_in; |
626 | s->fd_out = fd_out; | |
627 | chr->opaque = s; | |
628 | chr->chr_write = fd_chr_write; | |
629 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
630 | chr->chr_close = fd_chr_close; | |
631 | ||
127338e6 | 632 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
633 | |
634 | return chr; | |
635 | } | |
636 | ||
1f51470d | 637 | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts) |
6f97dba0 AL |
638 | { |
639 | int fd_out; | |
640 | ||
40ff6d7e | 641 | TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"), |
7d31544f | 642 | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); |
1f51470d MA |
643 | if (fd_out < 0) |
644 | return NULL; | |
645 | return qemu_chr_open_fd(-1, fd_out); | |
6f97dba0 AL |
646 | } |
647 | ||
1f51470d | 648 | static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts) |
6f97dba0 AL |
649 | { |
650 | int fd_in, fd_out; | |
651 | char filename_in[256], filename_out[256]; | |
7d31544f GH |
652 | const char *filename = qemu_opt_get(opts, "path"); |
653 | ||
654 | if (filename == NULL) { | |
655 | fprintf(stderr, "chardev: pipe: no filename given\n"); | |
1f51470d | 656 | return NULL; |
7d31544f | 657 | } |
6f97dba0 AL |
658 | |
659 | snprintf(filename_in, 256, "%s.in", filename); | |
660 | snprintf(filename_out, 256, "%s.out", filename); | |
40ff6d7e KW |
661 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
662 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
6f97dba0 AL |
663 | if (fd_in < 0 || fd_out < 0) { |
664 | if (fd_in >= 0) | |
665 | close(fd_in); | |
666 | if (fd_out >= 0) | |
667 | close(fd_out); | |
1f51470d MA |
668 | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
669 | if (fd_in < 0) | |
670 | return NULL; | |
6f97dba0 | 671 | } |
1f51470d | 672 | return qemu_chr_open_fd(fd_in, fd_out); |
6f97dba0 AL |
673 | } |
674 | ||
675 | ||
676 | /* for STDIO, we handle the case where several clients use it | |
677 | (nographic mode) */ | |
678 | ||
679 | #define TERM_FIFO_MAX_SIZE 1 | |
680 | ||
681 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
682 | static int term_fifo_size; | |
683 | ||
684 | static int stdio_read_poll(void *opaque) | |
685 | { | |
686 | CharDriverState *chr = opaque; | |
687 | ||
688 | /* try to flush the queue if needed */ | |
909cda12 | 689 | if (term_fifo_size != 0 && qemu_chr_be_can_write(chr) > 0) { |
fa5efccb | 690 | qemu_chr_be_write(chr, term_fifo, 1); |
6f97dba0 AL |
691 | term_fifo_size = 0; |
692 | } | |
693 | /* see if we can absorb more chars */ | |
694 | if (term_fifo_size == 0) | |
695 | return 1; | |
696 | else | |
697 | return 0; | |
698 | } | |
699 | ||
700 | static void stdio_read(void *opaque) | |
701 | { | |
702 | int size; | |
703 | uint8_t buf[1]; | |
704 | CharDriverState *chr = opaque; | |
705 | ||
706 | size = read(0, buf, 1); | |
707 | if (size == 0) { | |
708 | /* stdin has been closed. Remove it from the active list. */ | |
709 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
a425d23f | 710 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
711 | return; |
712 | } | |
713 | if (size > 0) { | |
909cda12 | 714 | if (qemu_chr_be_can_write(chr) > 0) { |
fa5efccb | 715 | qemu_chr_be_write(chr, buf, 1); |
6f97dba0 AL |
716 | } else if (term_fifo_size == 0) { |
717 | term_fifo[term_fifo_size++] = buf[0]; | |
718 | } | |
719 | } | |
720 | } | |
721 | ||
722 | /* init terminal so that we can grab keys */ | |
723 | static struct termios oldtty; | |
724 | static int old_fd0_flags; | |
bb002513 | 725 | static bool stdio_allow_signal; |
6f97dba0 AL |
726 | |
727 | static void term_exit(void) | |
728 | { | |
729 | tcsetattr (0, TCSANOW, &oldtty); | |
730 | fcntl(0, F_SETFL, old_fd0_flags); | |
731 | } | |
732 | ||
bb002513 | 733 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
6f97dba0 AL |
734 | { |
735 | struct termios tty; | |
736 | ||
0369364b | 737 | tty = oldtty; |
bb002513 PB |
738 | if (!echo) { |
739 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 740 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
741 | tty.c_oflag |= OPOST; |
742 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
743 | tty.c_cflag &= ~(CSIZE|PARENB); | |
744 | tty.c_cflag |= CS8; | |
745 | tty.c_cc[VMIN] = 1; | |
746 | tty.c_cc[VTIME] = 0; | |
747 | } | |
6f97dba0 | 748 | /* if graphical mode, we allow Ctrl-C handling */ |
bb002513 | 749 | if (!stdio_allow_signal) |
6f97dba0 | 750 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
751 | |
752 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
753 | } |
754 | ||
755 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
756 | { | |
757 | term_exit(); | |
758 | stdio_nb_clients--; | |
759 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
760 | fd_chr_close(chr); | |
761 | } | |
762 | ||
1f51470d | 763 | static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts) |
6f97dba0 AL |
764 | { |
765 | CharDriverState *chr; | |
766 | ||
1f51470d MA |
767 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) |
768 | return NULL; | |
0369364b PB |
769 | if (stdio_nb_clients == 0) { |
770 | old_fd0_flags = fcntl(0, F_GETFL); | |
771 | tcgetattr (0, &oldtty); | |
772 | fcntl(0, F_SETFL, O_NONBLOCK); | |
773 | atexit(term_exit); | |
774 | } | |
775 | ||
6f97dba0 AL |
776 | chr = qemu_chr_open_fd(0, 1); |
777 | chr->chr_close = qemu_chr_close_stdio; | |
bb002513 | 778 | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
6f97dba0 AL |
779 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
780 | stdio_nb_clients++; | |
bb002513 PB |
781 | stdio_allow_signal = qemu_opt_get_bool(opts, "signal", |
782 | display_type != DT_NOGRAPHIC); | |
15f31519 | 783 | qemu_chr_fe_set_echo(chr, false); |
6f97dba0 | 784 | |
1f51470d | 785 | return chr; |
6f97dba0 AL |
786 | } |
787 | ||
788 | #ifdef __sun__ | |
789 | /* Once Solaris has openpty(), this is going to be removed. */ | |
3f4cb3d3 BS |
790 | static int openpty(int *amaster, int *aslave, char *name, |
791 | struct termios *termp, struct winsize *winp) | |
6f97dba0 AL |
792 | { |
793 | const char *slave; | |
794 | int mfd = -1, sfd = -1; | |
795 | ||
796 | *amaster = *aslave = -1; | |
797 | ||
798 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
799 | if (mfd < 0) | |
800 | goto err; | |
801 | ||
802 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
803 | goto err; | |
804 | ||
805 | if ((slave = ptsname(mfd)) == NULL) | |
806 | goto err; | |
807 | ||
808 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
809 | goto err; | |
810 | ||
811 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
812 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
813 | goto err; | |
814 | ||
815 | if (amaster) | |
816 | *amaster = mfd; | |
817 | if (aslave) | |
818 | *aslave = sfd; | |
819 | if (winp) | |
820 | ioctl(sfd, TIOCSWINSZ, winp); | |
821 | ||
822 | return 0; | |
823 | ||
824 | err: | |
825 | if (sfd != -1) | |
826 | close(sfd); | |
827 | close(mfd); | |
828 | return -1; | |
829 | } | |
830 | ||
3f4cb3d3 | 831 | static void cfmakeraw (struct termios *termios_p) |
6f97dba0 AL |
832 | { |
833 | termios_p->c_iflag &= | |
834 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
835 | termios_p->c_oflag &= ~OPOST; | |
836 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
837 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
838 | termios_p->c_cflag |= CS8; | |
839 | ||
840 | termios_p->c_cc[VMIN] = 0; | |
841 | termios_p->c_cc[VTIME] = 0; | |
842 | } | |
843 | #endif | |
844 | ||
845 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
a167ba50 AJ |
846 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
847 | || defined(__GLIBC__) | |
6f97dba0 AL |
848 | |
849 | typedef struct { | |
850 | int fd; | |
851 | int connected; | |
852 | int polling; | |
853 | int read_bytes; | |
854 | QEMUTimer *timer; | |
855 | } PtyCharDriver; | |
856 | ||
857 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
858 | static void pty_chr_state(CharDriverState *chr, int connected); | |
859 | ||
860 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
861 | { | |
862 | PtyCharDriver *s = chr->opaque; | |
863 | ||
864 | if (!s->connected) { | |
865 | /* guest sends data, check for (re-)connect */ | |
866 | pty_chr_update_read_handler(chr); | |
867 | return 0; | |
868 | } | |
869 | return send_all(s->fd, buf, len); | |
870 | } | |
871 | ||
872 | static int pty_chr_read_poll(void *opaque) | |
873 | { | |
874 | CharDriverState *chr = opaque; | |
875 | PtyCharDriver *s = chr->opaque; | |
876 | ||
909cda12 | 877 | s->read_bytes = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
878 | return s->read_bytes; |
879 | } | |
880 | ||
881 | static void pty_chr_read(void *opaque) | |
882 | { | |
883 | CharDriverState *chr = opaque; | |
884 | PtyCharDriver *s = chr->opaque; | |
885 | int size, len; | |
9bd7854e | 886 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
887 | |
888 | len = sizeof(buf); | |
889 | if (len > s->read_bytes) | |
890 | len = s->read_bytes; | |
891 | if (len == 0) | |
892 | return; | |
893 | size = read(s->fd, buf, len); | |
894 | if ((size == -1 && errno == EIO) || | |
895 | (size == 0)) { | |
896 | pty_chr_state(chr, 0); | |
897 | return; | |
898 | } | |
899 | if (size > 0) { | |
900 | pty_chr_state(chr, 1); | |
fa5efccb | 901 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
902 | } |
903 | } | |
904 | ||
905 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
906 | { | |
907 | PtyCharDriver *s = chr->opaque; | |
908 | ||
909 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, | |
910 | pty_chr_read, NULL, chr); | |
911 | s->polling = 1; | |
912 | /* | |
913 | * Short timeout here: just need wait long enougth that qemu makes | |
914 | * it through the poll loop once. When reconnected we want a | |
915 | * short timeout so we notice it almost instantly. Otherwise | |
916 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
917 | * timeout to the normal (much longer) poll interval before the | |
918 | * timer triggers. | |
919 | */ | |
7bd427d8 | 920 | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 10); |
6f97dba0 AL |
921 | } |
922 | ||
923 | static void pty_chr_state(CharDriverState *chr, int connected) | |
924 | { | |
925 | PtyCharDriver *s = chr->opaque; | |
926 | ||
927 | if (!connected) { | |
928 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
929 | s->connected = 0; | |
930 | s->polling = 0; | |
931 | /* (re-)connect poll interval for idle guests: once per second. | |
932 | * We check more frequently in case the guests sends data to | |
933 | * the virtual device linked to our pty. */ | |
7bd427d8 | 934 | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 1000); |
6f97dba0 AL |
935 | } else { |
936 | if (!s->connected) | |
127338e6 | 937 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
938 | s->connected = 1; |
939 | } | |
940 | } | |
941 | ||
942 | static void pty_chr_timer(void *opaque) | |
943 | { | |
944 | struct CharDriverState *chr = opaque; | |
945 | PtyCharDriver *s = chr->opaque; | |
946 | ||
947 | if (s->connected) | |
948 | return; | |
949 | if (s->polling) { | |
950 | /* If we arrive here without polling being cleared due | |
951 | * read returning -EIO, then we are (re-)connected */ | |
952 | pty_chr_state(chr, 1); | |
953 | return; | |
954 | } | |
955 | ||
956 | /* Next poll ... */ | |
957 | pty_chr_update_read_handler(chr); | |
958 | } | |
959 | ||
960 | static void pty_chr_close(struct CharDriverState *chr) | |
961 | { | |
962 | PtyCharDriver *s = chr->opaque; | |
963 | ||
964 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
965 | close(s->fd); | |
819f56b7 AL |
966 | qemu_del_timer(s->timer); |
967 | qemu_free_timer(s->timer); | |
7267c094 | 968 | g_free(s); |
a425d23f | 969 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
970 | } |
971 | ||
1f51470d | 972 | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) |
6f97dba0 AL |
973 | { |
974 | CharDriverState *chr; | |
975 | PtyCharDriver *s; | |
976 | struct termios tty; | |
a4e26048 | 977 | int master_fd, slave_fd, len; |
c5e97233 | 978 | #if defined(__OpenBSD__) || defined(__DragonFly__) |
6f97dba0 AL |
979 | char pty_name[PATH_MAX]; |
980 | #define q_ptsname(x) pty_name | |
981 | #else | |
982 | char *pty_name = NULL; | |
983 | #define q_ptsname(x) ptsname(x) | |
984 | #endif | |
985 | ||
a4e26048 | 986 | if (openpty(&master_fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
1f51470d | 987 | return NULL; |
6f97dba0 AL |
988 | } |
989 | ||
990 | /* Set raw attributes on the pty. */ | |
c3b972c3 | 991 | tcgetattr(slave_fd, &tty); |
6f97dba0 AL |
992 | cfmakeraw(&tty); |
993 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
994 | close(slave_fd); | |
995 | ||
a4e26048 MA |
996 | chr = g_malloc0(sizeof(CharDriverState)); |
997 | ||
998 | len = strlen(q_ptsname(master_fd)) + 5; | |
7267c094 | 999 | chr->filename = g_malloc(len); |
a4e26048 MA |
1000 | snprintf(chr->filename, len, "pty:%s", q_ptsname(master_fd)); |
1001 | qemu_opt_set(opts, "path", q_ptsname(master_fd)); | |
1002 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(master_fd)); | |
6f97dba0 | 1003 | |
a4e26048 | 1004 | s = g_malloc0(sizeof(PtyCharDriver)); |
6f97dba0 AL |
1005 | chr->opaque = s; |
1006 | chr->chr_write = pty_chr_write; | |
1007 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
1008 | chr->chr_close = pty_chr_close; | |
1009 | ||
a4e26048 | 1010 | s->fd = master_fd; |
7bd427d8 | 1011 | s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr); |
6f97dba0 | 1012 | |
1f51470d | 1013 | return chr; |
6f97dba0 AL |
1014 | } |
1015 | ||
1016 | static void tty_serial_init(int fd, int speed, | |
1017 | int parity, int data_bits, int stop_bits) | |
1018 | { | |
1019 | struct termios tty; | |
1020 | speed_t spd; | |
1021 | ||
1022 | #if 0 | |
1023 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1024 | speed, parity, data_bits, stop_bits); | |
1025 | #endif | |
1026 | tcgetattr (fd, &tty); | |
1027 | ||
45eea13b SW |
1028 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1029 | speed = speed * 10 / 11; | |
1030 | do { | |
1031 | check_speed(50); | |
1032 | check_speed(75); | |
1033 | check_speed(110); | |
1034 | check_speed(134); | |
1035 | check_speed(150); | |
1036 | check_speed(200); | |
1037 | check_speed(300); | |
1038 | check_speed(600); | |
1039 | check_speed(1200); | |
1040 | check_speed(1800); | |
1041 | check_speed(2400); | |
1042 | check_speed(4800); | |
1043 | check_speed(9600); | |
1044 | check_speed(19200); | |
1045 | check_speed(38400); | |
1046 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1047 | check_speed(57600); | |
1048 | check_speed(115200); | |
1049 | #ifdef B230400 | |
1050 | check_speed(230400); | |
1051 | #endif | |
1052 | #ifdef B460800 | |
1053 | check_speed(460800); | |
1054 | #endif | |
1055 | #ifdef B500000 | |
1056 | check_speed(500000); | |
1057 | #endif | |
1058 | #ifdef B576000 | |
1059 | check_speed(576000); | |
1060 | #endif | |
1061 | #ifdef B921600 | |
1062 | check_speed(921600); | |
1063 | #endif | |
1064 | #ifdef B1000000 | |
1065 | check_speed(1000000); | |
1066 | #endif | |
1067 | #ifdef B1152000 | |
1068 | check_speed(1152000); | |
1069 | #endif | |
1070 | #ifdef B1500000 | |
1071 | check_speed(1500000); | |
1072 | #endif | |
1073 | #ifdef B2000000 | |
1074 | check_speed(2000000); | |
1075 | #endif | |
1076 | #ifdef B2500000 | |
1077 | check_speed(2500000); | |
1078 | #endif | |
1079 | #ifdef B3000000 | |
1080 | check_speed(3000000); | |
1081 | #endif | |
1082 | #ifdef B3500000 | |
1083 | check_speed(3500000); | |
1084 | #endif | |
1085 | #ifdef B4000000 | |
1086 | check_speed(4000000); | |
1087 | #endif | |
6f97dba0 | 1088 | spd = B115200; |
45eea13b | 1089 | } while (0); |
6f97dba0 AL |
1090 | |
1091 | cfsetispeed(&tty, spd); | |
1092 | cfsetospeed(&tty, spd); | |
1093 | ||
1094 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1095 | |INLCR|IGNCR|ICRNL|IXON); | |
1096 | tty.c_oflag |= OPOST; | |
1097 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1098 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1099 | switch(data_bits) { | |
1100 | default: | |
1101 | case 8: | |
1102 | tty.c_cflag |= CS8; | |
1103 | break; | |
1104 | case 7: | |
1105 | tty.c_cflag |= CS7; | |
1106 | break; | |
1107 | case 6: | |
1108 | tty.c_cflag |= CS6; | |
1109 | break; | |
1110 | case 5: | |
1111 | tty.c_cflag |= CS5; | |
1112 | break; | |
1113 | } | |
1114 | switch(parity) { | |
1115 | default: | |
1116 | case 'N': | |
1117 | break; | |
1118 | case 'E': | |
1119 | tty.c_cflag |= PARENB; | |
1120 | break; | |
1121 | case 'O': | |
1122 | tty.c_cflag |= PARENB | PARODD; | |
1123 | break; | |
1124 | } | |
1125 | if (stop_bits == 2) | |
1126 | tty.c_cflag |= CSTOPB; | |
1127 | ||
1128 | tcsetattr (fd, TCSANOW, &tty); | |
1129 | } | |
1130 | ||
1131 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1132 | { | |
1133 | FDCharDriver *s = chr->opaque; | |
1134 | ||
1135 | switch(cmd) { | |
1136 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1137 | { | |
1138 | QEMUSerialSetParams *ssp = arg; | |
1139 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1140 | ssp->data_bits, ssp->stop_bits); | |
1141 | } | |
1142 | break; | |
1143 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1144 | { | |
1145 | int enable = *(int *)arg; | |
1146 | if (enable) | |
1147 | tcsendbreak(s->fd_in, 1); | |
1148 | } | |
1149 | break; | |
1150 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1151 | { | |
1152 | int sarg = 0; | |
1153 | int *targ = (int *)arg; | |
1154 | ioctl(s->fd_in, TIOCMGET, &sarg); | |
1155 | *targ = 0; | |
b4abdfa4 | 1156 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1157 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1158 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1159 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1160 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1161 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1162 | if (sarg & TIOCM_RI) |
6f97dba0 | 1163 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1164 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1165 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1166 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1167 | *targ |= CHR_TIOCM_RTS; |
1168 | } | |
1169 | break; | |
1170 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1171 | { | |
1172 | int sarg = *(int *)arg; | |
1173 | int targ = 0; | |
b4abdfa4 AJ |
1174 | ioctl(s->fd_in, TIOCMGET, &targ); |
1175 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR | |
1176 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1177 | if (sarg & CHR_TIOCM_CTS) | |
1178 | targ |= TIOCM_CTS; | |
1179 | if (sarg & CHR_TIOCM_CAR) | |
1180 | targ |= TIOCM_CAR; | |
1181 | if (sarg & CHR_TIOCM_DSR) | |
1182 | targ |= TIOCM_DSR; | |
1183 | if (sarg & CHR_TIOCM_RI) | |
1184 | targ |= TIOCM_RI; | |
1185 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1186 | targ |= TIOCM_DTR; |
b4abdfa4 | 1187 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 AL |
1188 | targ |= TIOCM_RTS; |
1189 | ioctl(s->fd_in, TIOCMSET, &targ); | |
1190 | } | |
1191 | break; | |
1192 | default: | |
1193 | return -ENOTSUP; | |
1194 | } | |
1195 | return 0; | |
1196 | } | |
1197 | ||
4266a134 DA |
1198 | static void qemu_chr_close_tty(CharDriverState *chr) |
1199 | { | |
1200 | FDCharDriver *s = chr->opaque; | |
1201 | int fd = -1; | |
1202 | ||
1203 | if (s) { | |
1204 | fd = s->fd_in; | |
1205 | } | |
1206 | ||
1207 | fd_chr_close(chr); | |
1208 | ||
1209 | if (fd >= 0) { | |
1210 | close(fd); | |
1211 | } | |
1212 | } | |
1213 | ||
1f51470d | 1214 | static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) |
6f97dba0 | 1215 | { |
48b76496 | 1216 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1217 | CharDriverState *chr; |
1218 | int fd; | |
1219 | ||
1f51470d | 1220 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
afc535ac | 1221 | if (fd < 0) { |
1f51470d | 1222 | return NULL; |
afc535ac | 1223 | } |
6f97dba0 AL |
1224 | tty_serial_init(fd, 115200, 'N', 8, 1); |
1225 | chr = qemu_chr_open_fd(fd, fd); | |
1f51470d MA |
1226 | if (!chr) { |
1227 | close(fd); | |
1228 | return NULL; | |
1229 | } | |
6f97dba0 | 1230 | chr->chr_ioctl = tty_serial_ioctl; |
4266a134 | 1231 | chr->chr_close = qemu_chr_close_tty; |
1f51470d | 1232 | return chr; |
6f97dba0 AL |
1233 | } |
1234 | #else /* ! __linux__ && ! __sun__ */ | |
1f51470d | 1235 | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) |
6f97dba0 | 1236 | { |
1f51470d | 1237 | return NULL; |
6f97dba0 AL |
1238 | } |
1239 | #endif /* __linux__ || __sun__ */ | |
1240 | ||
1241 | #if defined(__linux__) | |
1242 | typedef struct { | |
1243 | int fd; | |
1244 | int mode; | |
1245 | } ParallelCharDriver; | |
1246 | ||
1247 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1248 | { | |
1249 | if (s->mode != mode) { | |
1250 | int m = mode; | |
1251 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1252 | return 0; | |
1253 | s->mode = mode; | |
1254 | } | |
1255 | return 1; | |
1256 | } | |
1257 | ||
1258 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1259 | { | |
1260 | ParallelCharDriver *drv = chr->opaque; | |
1261 | int fd = drv->fd; | |
1262 | uint8_t b; | |
1263 | ||
1264 | switch(cmd) { | |
1265 | case CHR_IOCTL_PP_READ_DATA: | |
1266 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1267 | return -ENOTSUP; | |
1268 | *(uint8_t *)arg = b; | |
1269 | break; | |
1270 | case CHR_IOCTL_PP_WRITE_DATA: | |
1271 | b = *(uint8_t *)arg; | |
1272 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1273 | return -ENOTSUP; | |
1274 | break; | |
1275 | case CHR_IOCTL_PP_READ_CONTROL: | |
1276 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1277 | return -ENOTSUP; | |
1278 | /* Linux gives only the lowest bits, and no way to know data | |
1279 | direction! For better compatibility set the fixed upper | |
1280 | bits. */ | |
1281 | *(uint8_t *)arg = b | 0xc0; | |
1282 | break; | |
1283 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1284 | b = *(uint8_t *)arg; | |
1285 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1286 | return -ENOTSUP; | |
1287 | break; | |
1288 | case CHR_IOCTL_PP_READ_STATUS: | |
1289 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1290 | return -ENOTSUP; | |
1291 | *(uint8_t *)arg = b; | |
1292 | break; | |
1293 | case CHR_IOCTL_PP_DATA_DIR: | |
1294 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1295 | return -ENOTSUP; | |
1296 | break; | |
1297 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1298 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1299 | struct ParallelIOArg *parg = arg; | |
1300 | int n = read(fd, parg->buffer, parg->count); | |
1301 | if (n != parg->count) { | |
1302 | return -EIO; | |
1303 | } | |
1304 | } | |
1305 | break; | |
1306 | case CHR_IOCTL_PP_EPP_READ: | |
1307 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1308 | struct ParallelIOArg *parg = arg; | |
1309 | int n = read(fd, parg->buffer, parg->count); | |
1310 | if (n != parg->count) { | |
1311 | return -EIO; | |
1312 | } | |
1313 | } | |
1314 | break; | |
1315 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1316 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1317 | struct ParallelIOArg *parg = arg; | |
1318 | int n = write(fd, parg->buffer, parg->count); | |
1319 | if (n != parg->count) { | |
1320 | return -EIO; | |
1321 | } | |
1322 | } | |
1323 | break; | |
1324 | case CHR_IOCTL_PP_EPP_WRITE: | |
1325 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1326 | struct ParallelIOArg *parg = arg; | |
1327 | int n = write(fd, parg->buffer, parg->count); | |
1328 | if (n != parg->count) { | |
1329 | return -EIO; | |
1330 | } | |
1331 | } | |
1332 | break; | |
1333 | default: | |
1334 | return -ENOTSUP; | |
1335 | } | |
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | static void pp_close(CharDriverState *chr) | |
1340 | { | |
1341 | ParallelCharDriver *drv = chr->opaque; | |
1342 | int fd = drv->fd; | |
1343 | ||
1344 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1345 | ioctl(fd, PPRELEASE); | |
1346 | close(fd); | |
7267c094 | 1347 | g_free(drv); |
a425d23f | 1348 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1349 | } |
1350 | ||
1f51470d | 1351 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
6f97dba0 | 1352 | { |
48b76496 | 1353 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1354 | CharDriverState *chr; |
1355 | ParallelCharDriver *drv; | |
1356 | int fd; | |
1357 | ||
1358 | TFR(fd = open(filename, O_RDWR)); | |
1f51470d MA |
1359 | if (fd < 0) |
1360 | return NULL; | |
6f97dba0 AL |
1361 | |
1362 | if (ioctl(fd, PPCLAIM) < 0) { | |
1363 | close(fd); | |
1f51470d | 1364 | return NULL; |
6f97dba0 AL |
1365 | } |
1366 | ||
7267c094 | 1367 | drv = g_malloc0(sizeof(ParallelCharDriver)); |
6f97dba0 AL |
1368 | drv->fd = fd; |
1369 | drv->mode = IEEE1284_MODE_COMPAT; | |
1370 | ||
7267c094 | 1371 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 AL |
1372 | chr->chr_write = null_chr_write; |
1373 | chr->chr_ioctl = pp_ioctl; | |
1374 | chr->chr_close = pp_close; | |
1375 | chr->opaque = drv; | |
1376 | ||
127338e6 | 1377 | qemu_chr_generic_open(chr); |
6f97dba0 | 1378 | |
1f51470d | 1379 | return chr; |
6f97dba0 AL |
1380 | } |
1381 | #endif /* __linux__ */ | |
1382 | ||
a167ba50 | 1383 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
6972f935 BS |
1384 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1385 | { | |
e0efb993 | 1386 | int fd = (int)(intptr_t)chr->opaque; |
6972f935 BS |
1387 | uint8_t b; |
1388 | ||
1389 | switch(cmd) { | |
1390 | case CHR_IOCTL_PP_READ_DATA: | |
1391 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1392 | return -ENOTSUP; | |
1393 | *(uint8_t *)arg = b; | |
1394 | break; | |
1395 | case CHR_IOCTL_PP_WRITE_DATA: | |
1396 | b = *(uint8_t *)arg; | |
1397 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1398 | return -ENOTSUP; | |
1399 | break; | |
1400 | case CHR_IOCTL_PP_READ_CONTROL: | |
1401 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1402 | return -ENOTSUP; | |
1403 | *(uint8_t *)arg = b; | |
1404 | break; | |
1405 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1406 | b = *(uint8_t *)arg; | |
1407 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1408 | return -ENOTSUP; | |
1409 | break; | |
1410 | case CHR_IOCTL_PP_READ_STATUS: | |
1411 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1412 | return -ENOTSUP; | |
1413 | *(uint8_t *)arg = b; | |
1414 | break; | |
1415 | default: | |
1416 | return -ENOTSUP; | |
1417 | } | |
1418 | return 0; | |
1419 | } | |
1420 | ||
1f51470d | 1421 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
6972f935 | 1422 | { |
48b76496 | 1423 | const char *filename = qemu_opt_get(opts, "path"); |
6972f935 BS |
1424 | CharDriverState *chr; |
1425 | int fd; | |
1426 | ||
1f51470d MA |
1427 | fd = open(filename, O_RDWR); |
1428 | if (fd < 0) | |
1429 | return NULL; | |
6972f935 | 1430 | |
7267c094 | 1431 | chr = g_malloc0(sizeof(CharDriverState)); |
e0efb993 | 1432 | chr->opaque = (void *)(intptr_t)fd; |
6972f935 BS |
1433 | chr->chr_write = null_chr_write; |
1434 | chr->chr_ioctl = pp_ioctl; | |
1f51470d | 1435 | return chr; |
6972f935 BS |
1436 | } |
1437 | #endif | |
1438 | ||
6f97dba0 AL |
1439 | #else /* _WIN32 */ |
1440 | ||
db418a0a FC |
1441 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; |
1442 | ||
6f97dba0 AL |
1443 | typedef struct { |
1444 | int max_size; | |
1445 | HANDLE hcom, hrecv, hsend; | |
1446 | OVERLAPPED orecv, osend; | |
1447 | BOOL fpipe; | |
1448 | DWORD len; | |
1449 | } WinCharState; | |
1450 | ||
db418a0a FC |
1451 | typedef struct { |
1452 | HANDLE hStdIn; | |
1453 | HANDLE hInputReadyEvent; | |
1454 | HANDLE hInputDoneEvent; | |
1455 | HANDLE hInputThread; | |
1456 | uint8_t win_stdio_buf; | |
1457 | } WinStdioCharState; | |
1458 | ||
6f97dba0 AL |
1459 | #define NSENDBUF 2048 |
1460 | #define NRECVBUF 2048 | |
1461 | #define MAXCONNECT 1 | |
1462 | #define NTIMEOUT 5000 | |
1463 | ||
1464 | static int win_chr_poll(void *opaque); | |
1465 | static int win_chr_pipe_poll(void *opaque); | |
1466 | ||
1467 | static void win_chr_close(CharDriverState *chr) | |
1468 | { | |
1469 | WinCharState *s = chr->opaque; | |
1470 | ||
1471 | if (s->hsend) { | |
1472 | CloseHandle(s->hsend); | |
1473 | s->hsend = NULL; | |
1474 | } | |
1475 | if (s->hrecv) { | |
1476 | CloseHandle(s->hrecv); | |
1477 | s->hrecv = NULL; | |
1478 | } | |
1479 | if (s->hcom) { | |
1480 | CloseHandle(s->hcom); | |
1481 | s->hcom = NULL; | |
1482 | } | |
1483 | if (s->fpipe) | |
1484 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1485 | else | |
1486 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 | 1487 | |
a425d23f | 1488 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1489 | } |
1490 | ||
1491 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1492 | { | |
1493 | WinCharState *s = chr->opaque; | |
1494 | COMMCONFIG comcfg; | |
1495 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1496 | COMSTAT comstat; | |
1497 | DWORD size; | |
1498 | DWORD err; | |
1499 | ||
1500 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1501 | if (!s->hsend) { | |
1502 | fprintf(stderr, "Failed CreateEvent\n"); | |
1503 | goto fail; | |
1504 | } | |
1505 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1506 | if (!s->hrecv) { | |
1507 | fprintf(stderr, "Failed CreateEvent\n"); | |
1508 | goto fail; | |
1509 | } | |
1510 | ||
1511 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1512 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1513 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1514 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1515 | s->hcom = NULL; | |
1516 | goto fail; | |
1517 | } | |
1518 | ||
1519 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1520 | fprintf(stderr, "Failed SetupComm\n"); | |
1521 | goto fail; | |
1522 | } | |
1523 | ||
1524 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1525 | size = sizeof(COMMCONFIG); | |
1526 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1527 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1528 | CommConfigDialog(filename, NULL, &comcfg); | |
1529 | ||
1530 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1531 | fprintf(stderr, "Failed SetCommState\n"); | |
1532 | goto fail; | |
1533 | } | |
1534 | ||
1535 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1536 | fprintf(stderr, "Failed SetCommMask\n"); | |
1537 | goto fail; | |
1538 | } | |
1539 | ||
1540 | cto.ReadIntervalTimeout = MAXDWORD; | |
1541 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1542 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1543 | goto fail; | |
1544 | } | |
1545 | ||
1546 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1547 | fprintf(stderr, "Failed ClearCommError\n"); | |
1548 | goto fail; | |
1549 | } | |
1550 | qemu_add_polling_cb(win_chr_poll, chr); | |
1551 | return 0; | |
1552 | ||
1553 | fail: | |
1554 | win_chr_close(chr); | |
1555 | return -1; | |
1556 | } | |
1557 | ||
1558 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1559 | { | |
1560 | WinCharState *s = chr->opaque; | |
1561 | DWORD len, ret, size, err; | |
1562 | ||
1563 | len = len1; | |
1564 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1565 | s->osend.hEvent = s->hsend; | |
1566 | while (len > 0) { | |
1567 | if (s->hsend) | |
1568 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1569 | else | |
1570 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1571 | if (!ret) { | |
1572 | err = GetLastError(); | |
1573 | if (err == ERROR_IO_PENDING) { | |
1574 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1575 | if (ret) { | |
1576 | buf += size; | |
1577 | len -= size; | |
1578 | } else { | |
1579 | break; | |
1580 | } | |
1581 | } else { | |
1582 | break; | |
1583 | } | |
1584 | } else { | |
1585 | buf += size; | |
1586 | len -= size; | |
1587 | } | |
1588 | } | |
1589 | return len1 - len; | |
1590 | } | |
1591 | ||
1592 | static int win_chr_read_poll(CharDriverState *chr) | |
1593 | { | |
1594 | WinCharState *s = chr->opaque; | |
1595 | ||
909cda12 | 1596 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1597 | return s->max_size; |
1598 | } | |
1599 | ||
1600 | static void win_chr_readfile(CharDriverState *chr) | |
1601 | { | |
1602 | WinCharState *s = chr->opaque; | |
1603 | int ret, err; | |
9bd7854e | 1604 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1605 | DWORD size; |
1606 | ||
1607 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1608 | s->orecv.hEvent = s->hrecv; | |
1609 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1610 | if (!ret) { | |
1611 | err = GetLastError(); | |
1612 | if (err == ERROR_IO_PENDING) { | |
1613 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1614 | } | |
1615 | } | |
1616 | ||
1617 | if (size > 0) { | |
fa5efccb | 1618 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
1619 | } |
1620 | } | |
1621 | ||
1622 | static void win_chr_read(CharDriverState *chr) | |
1623 | { | |
1624 | WinCharState *s = chr->opaque; | |
1625 | ||
1626 | if (s->len > s->max_size) | |
1627 | s->len = s->max_size; | |
1628 | if (s->len == 0) | |
1629 | return; | |
1630 | ||
1631 | win_chr_readfile(chr); | |
1632 | } | |
1633 | ||
1634 | static int win_chr_poll(void *opaque) | |
1635 | { | |
1636 | CharDriverState *chr = opaque; | |
1637 | WinCharState *s = chr->opaque; | |
1638 | COMSTAT status; | |
1639 | DWORD comerr; | |
1640 | ||
1641 | ClearCommError(s->hcom, &comerr, &status); | |
1642 | if (status.cbInQue > 0) { | |
1643 | s->len = status.cbInQue; | |
1644 | win_chr_read_poll(chr); | |
1645 | win_chr_read(chr); | |
1646 | return 1; | |
1647 | } | |
1648 | return 0; | |
1649 | } | |
1650 | ||
1f51470d | 1651 | static CharDriverState *qemu_chr_open_win(QemuOpts *opts) |
6f97dba0 | 1652 | { |
48b76496 | 1653 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1654 | CharDriverState *chr; |
1655 | WinCharState *s; | |
1656 | ||
7267c094 AL |
1657 | chr = g_malloc0(sizeof(CharDriverState)); |
1658 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1659 | chr->opaque = s; |
1660 | chr->chr_write = win_chr_write; | |
1661 | chr->chr_close = win_chr_close; | |
1662 | ||
1663 | if (win_chr_init(chr, filename) < 0) { | |
2e02e18b SW |
1664 | g_free(s); |
1665 | g_free(chr); | |
1f51470d | 1666 | return NULL; |
6f97dba0 | 1667 | } |
127338e6 | 1668 | qemu_chr_generic_open(chr); |
1f51470d | 1669 | return chr; |
6f97dba0 AL |
1670 | } |
1671 | ||
1672 | static int win_chr_pipe_poll(void *opaque) | |
1673 | { | |
1674 | CharDriverState *chr = opaque; | |
1675 | WinCharState *s = chr->opaque; | |
1676 | DWORD size; | |
1677 | ||
1678 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1679 | if (size > 0) { | |
1680 | s->len = size; | |
1681 | win_chr_read_poll(chr); | |
1682 | win_chr_read(chr); | |
1683 | return 1; | |
1684 | } | |
1685 | return 0; | |
1686 | } | |
1687 | ||
1688 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1689 | { | |
1690 | WinCharState *s = chr->opaque; | |
1691 | OVERLAPPED ov; | |
1692 | int ret; | |
1693 | DWORD size; | |
1694 | char openname[256]; | |
1695 | ||
1696 | s->fpipe = TRUE; | |
1697 | ||
1698 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1699 | if (!s->hsend) { | |
1700 | fprintf(stderr, "Failed CreateEvent\n"); | |
1701 | goto fail; | |
1702 | } | |
1703 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1704 | if (!s->hrecv) { | |
1705 | fprintf(stderr, "Failed CreateEvent\n"); | |
1706 | goto fail; | |
1707 | } | |
1708 | ||
1709 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1710 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1711 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1712 | PIPE_WAIT, | |
1713 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1714 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1715 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1716 | s->hcom = NULL; | |
1717 | goto fail; | |
1718 | } | |
1719 | ||
1720 | ZeroMemory(&ov, sizeof(ov)); | |
1721 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1722 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1723 | if (ret) { | |
1724 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1725 | goto fail; | |
1726 | } | |
1727 | ||
1728 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1729 | if (!ret) { | |
1730 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1731 | if (ov.hEvent) { | |
1732 | CloseHandle(ov.hEvent); | |
1733 | ov.hEvent = NULL; | |
1734 | } | |
1735 | goto fail; | |
1736 | } | |
1737 | ||
1738 | if (ov.hEvent) { | |
1739 | CloseHandle(ov.hEvent); | |
1740 | ov.hEvent = NULL; | |
1741 | } | |
1742 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1743 | return 0; | |
1744 | ||
1745 | fail: | |
1746 | win_chr_close(chr); | |
1747 | return -1; | |
1748 | } | |
1749 | ||
1750 | ||
1f51470d | 1751 | static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts) |
6f97dba0 | 1752 | { |
7d31544f | 1753 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1754 | CharDriverState *chr; |
1755 | WinCharState *s; | |
1756 | ||
7267c094 AL |
1757 | chr = g_malloc0(sizeof(CharDriverState)); |
1758 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1759 | chr->opaque = s; |
1760 | chr->chr_write = win_chr_write; | |
1761 | chr->chr_close = win_chr_close; | |
1762 | ||
1763 | if (win_chr_pipe_init(chr, filename) < 0) { | |
2e02e18b SW |
1764 | g_free(s); |
1765 | g_free(chr); | |
1f51470d | 1766 | return NULL; |
6f97dba0 | 1767 | } |
127338e6 | 1768 | qemu_chr_generic_open(chr); |
1f51470d | 1769 | return chr; |
6f97dba0 AL |
1770 | } |
1771 | ||
1f51470d | 1772 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
6f97dba0 AL |
1773 | { |
1774 | CharDriverState *chr; | |
1775 | WinCharState *s; | |
1776 | ||
7267c094 AL |
1777 | chr = g_malloc0(sizeof(CharDriverState)); |
1778 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1779 | s->hcom = fd_out; |
1780 | chr->opaque = s; | |
1781 | chr->chr_write = win_chr_write; | |
127338e6 | 1782 | qemu_chr_generic_open(chr); |
1f51470d | 1783 | return chr; |
6f97dba0 AL |
1784 | } |
1785 | ||
1f51470d | 1786 | static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts) |
6f97dba0 | 1787 | { |
1f51470d | 1788 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
6f97dba0 AL |
1789 | } |
1790 | ||
1f51470d | 1791 | static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts) |
6f97dba0 | 1792 | { |
7d31544f | 1793 | const char *file_out = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1794 | HANDLE fd_out; |
1795 | ||
1796 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
1797 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
1f51470d MA |
1798 | if (fd_out == INVALID_HANDLE_VALUE) |
1799 | return NULL; | |
6f97dba0 | 1800 | |
1f51470d | 1801 | return qemu_chr_open_win_file(fd_out); |
6f97dba0 | 1802 | } |
db418a0a FC |
1803 | |
1804 | static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1805 | { | |
1806 | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); | |
1807 | DWORD dwSize; | |
1808 | int len1; | |
1809 | ||
1810 | len1 = len; | |
1811 | ||
1812 | while (len1 > 0) { | |
1813 | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { | |
1814 | break; | |
1815 | } | |
1816 | buf += dwSize; | |
1817 | len1 -= dwSize; | |
1818 | } | |
1819 | ||
1820 | return len - len1; | |
1821 | } | |
1822 | ||
1823 | static void win_stdio_wait_func(void *opaque) | |
1824 | { | |
1825 | CharDriverState *chr = opaque; | |
1826 | WinStdioCharState *stdio = chr->opaque; | |
1827 | INPUT_RECORD buf[4]; | |
1828 | int ret; | |
1829 | DWORD dwSize; | |
1830 | int i; | |
1831 | ||
1832 | ret = ReadConsoleInput(stdio->hStdIn, buf, sizeof(buf) / sizeof(*buf), | |
1833 | &dwSize); | |
1834 | ||
1835 | if (!ret) { | |
1836 | /* Avoid error storm */ | |
1837 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
1838 | return; | |
1839 | } | |
1840 | ||
1841 | for (i = 0; i < dwSize; i++) { | |
1842 | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; | |
1843 | ||
1844 | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) { | |
1845 | int j; | |
1846 | if (kev->uChar.AsciiChar != 0) { | |
1847 | for (j = 0; j < kev->wRepeatCount; j++) { | |
1848 | if (qemu_chr_be_can_write(chr)) { | |
1849 | uint8_t c = kev->uChar.AsciiChar; | |
1850 | qemu_chr_be_write(chr, &c, 1); | |
1851 | } | |
1852 | } | |
1853 | } | |
1854 | } | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | static DWORD WINAPI win_stdio_thread(LPVOID param) | |
1859 | { | |
1860 | CharDriverState *chr = param; | |
1861 | WinStdioCharState *stdio = chr->opaque; | |
1862 | int ret; | |
1863 | DWORD dwSize; | |
1864 | ||
1865 | while (1) { | |
1866 | ||
1867 | /* Wait for one byte */ | |
1868 | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); | |
1869 | ||
1870 | /* Exit in case of error, continue if nothing read */ | |
1871 | if (!ret) { | |
1872 | break; | |
1873 | } | |
1874 | if (!dwSize) { | |
1875 | continue; | |
1876 | } | |
1877 | ||
1878 | /* Some terminal emulator returns \r\n for Enter, just pass \n */ | |
1879 | if (stdio->win_stdio_buf == '\r') { | |
1880 | continue; | |
1881 | } | |
1882 | ||
1883 | /* Signal the main thread and wait until the byte was eaten */ | |
1884 | if (!SetEvent(stdio->hInputReadyEvent)) { | |
1885 | break; | |
1886 | } | |
1887 | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE) | |
1888 | != WAIT_OBJECT_0) { | |
1889 | break; | |
1890 | } | |
1891 | } | |
1892 | ||
1893 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
1894 | return 0; | |
1895 | } | |
1896 | ||
1897 | static void win_stdio_thread_wait_func(void *opaque) | |
1898 | { | |
1899 | CharDriverState *chr = opaque; | |
1900 | WinStdioCharState *stdio = chr->opaque; | |
1901 | ||
1902 | if (qemu_chr_be_can_write(chr)) { | |
1903 | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1); | |
1904 | } | |
1905 | ||
1906 | SetEvent(stdio->hInputDoneEvent); | |
1907 | } | |
1908 | ||
1909 | static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo) | |
1910 | { | |
1911 | WinStdioCharState *stdio = chr->opaque; | |
1912 | DWORD dwMode = 0; | |
1913 | ||
1914 | GetConsoleMode(stdio->hStdIn, &dwMode); | |
1915 | ||
1916 | if (echo) { | |
1917 | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); | |
1918 | } else { | |
1919 | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); | |
1920 | } | |
1921 | } | |
1922 | ||
1923 | static void win_stdio_close(CharDriverState *chr) | |
1924 | { | |
1925 | WinStdioCharState *stdio = chr->opaque; | |
1926 | ||
1927 | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) { | |
1928 | CloseHandle(stdio->hInputReadyEvent); | |
1929 | } | |
1930 | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) { | |
1931 | CloseHandle(stdio->hInputDoneEvent); | |
1932 | } | |
1933 | if (stdio->hInputThread != INVALID_HANDLE_VALUE) { | |
1934 | TerminateThread(stdio->hInputThread, 0); | |
1935 | } | |
1936 | ||
1937 | g_free(chr->opaque); | |
1938 | g_free(chr); | |
1939 | stdio_nb_clients--; | |
1940 | } | |
1941 | ||
1f51470d | 1942 | static CharDriverState *qemu_chr_open_win_stdio(QemuOpts *opts) |
db418a0a FC |
1943 | { |
1944 | CharDriverState *chr; | |
1945 | WinStdioCharState *stdio; | |
1946 | DWORD dwMode; | |
1947 | int is_console = 0; | |
1948 | ||
1949 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS | |
1950 | || ((display_type != DT_NOGRAPHIC) && (stdio_nb_clients != 0))) { | |
1f51470d | 1951 | return NULL; |
db418a0a FC |
1952 | } |
1953 | ||
1954 | chr = g_malloc0(sizeof(CharDriverState)); | |
1955 | stdio = g_malloc0(sizeof(WinStdioCharState)); | |
1956 | ||
1957 | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); | |
1958 | if (stdio->hStdIn == INVALID_HANDLE_VALUE) { | |
1959 | fprintf(stderr, "cannot open stdio: invalid handle\n"); | |
1960 | exit(1); | |
1961 | } | |
1962 | ||
1963 | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0; | |
1964 | ||
1965 | chr->opaque = stdio; | |
1966 | chr->chr_write = win_stdio_write; | |
1967 | chr->chr_close = win_stdio_close; | |
1968 | ||
1969 | if (stdio_nb_clients == 0) { | |
1970 | if (is_console) { | |
1971 | if (qemu_add_wait_object(stdio->hStdIn, | |
1972 | win_stdio_wait_func, chr)) { | |
1973 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
1974 | } | |
1975 | } else { | |
1976 | DWORD dwId; | |
1977 | ||
1978 | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1979 | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1980 | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, | |
1981 | chr, 0, &dwId); | |
1982 | ||
1983 | if (stdio->hInputThread == INVALID_HANDLE_VALUE | |
1984 | || stdio->hInputReadyEvent == INVALID_HANDLE_VALUE | |
1985 | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { | |
1986 | fprintf(stderr, "cannot create stdio thread or event\n"); | |
1987 | exit(1); | |
1988 | } | |
1989 | if (qemu_add_wait_object(stdio->hInputReadyEvent, | |
1990 | win_stdio_thread_wait_func, chr)) { | |
1991 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
1992 | } | |
1993 | } | |
1994 | } | |
1995 | ||
1996 | dwMode |= ENABLE_LINE_INPUT; | |
1997 | ||
1998 | stdio_clients[stdio_nb_clients++] = chr; | |
1999 | if (stdio_nb_clients == 1 && is_console) { | |
2000 | /* set the terminal in raw mode */ | |
2001 | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */ | |
2002 | dwMode |= ENABLE_PROCESSED_INPUT; | |
2003 | } | |
2004 | ||
2005 | SetConsoleMode(stdio->hStdIn, dwMode); | |
2006 | ||
2007 | chr->chr_set_echo = qemu_chr_set_echo_win_stdio; | |
2008 | qemu_chr_fe_set_echo(chr, false); | |
2009 | ||
1f51470d | 2010 | return chr; |
db418a0a | 2011 | } |
6f97dba0 AL |
2012 | #endif /* !_WIN32 */ |
2013 | ||
2014 | /***********************************************************/ | |
2015 | /* UDP Net console */ | |
2016 | ||
2017 | typedef struct { | |
2018 | int fd; | |
9bd7854e | 2019 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2020 | int bufcnt; |
2021 | int bufptr; | |
2022 | int max_size; | |
2023 | } NetCharDriver; | |
2024 | ||
2025 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2026 | { | |
2027 | NetCharDriver *s = chr->opaque; | |
2028 | ||
7e1b35b4 | 2029 | return send(s->fd, (const void *)buf, len, 0); |
6f97dba0 AL |
2030 | } |
2031 | ||
2032 | static int udp_chr_read_poll(void *opaque) | |
2033 | { | |
2034 | CharDriverState *chr = opaque; | |
2035 | NetCharDriver *s = chr->opaque; | |
2036 | ||
909cda12 | 2037 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2038 | |
2039 | /* If there were any stray characters in the queue process them | |
2040 | * first | |
2041 | */ | |
2042 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2043 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2044 | s->bufptr++; |
909cda12 | 2045 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2046 | } |
2047 | return s->max_size; | |
2048 | } | |
2049 | ||
2050 | static void udp_chr_read(void *opaque) | |
2051 | { | |
2052 | CharDriverState *chr = opaque; | |
2053 | NetCharDriver *s = chr->opaque; | |
2054 | ||
2055 | if (s->max_size == 0) | |
2056 | return; | |
00aa0040 | 2057 | s->bufcnt = qemu_recv(s->fd, s->buf, sizeof(s->buf), 0); |
6f97dba0 AL |
2058 | s->bufptr = s->bufcnt; |
2059 | if (s->bufcnt <= 0) | |
2060 | return; | |
2061 | ||
2062 | s->bufptr = 0; | |
2063 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2064 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2065 | s->bufptr++; |
909cda12 | 2066 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2067 | } |
2068 | } | |
2069 | ||
2070 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2071 | { | |
2072 | NetCharDriver *s = chr->opaque; | |
2073 | ||
2074 | if (s->fd >= 0) { | |
2075 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
2076 | udp_chr_read, NULL, chr); | |
2077 | } | |
2078 | } | |
2079 | ||
819f56b7 AL |
2080 | static void udp_chr_close(CharDriverState *chr) |
2081 | { | |
2082 | NetCharDriver *s = chr->opaque; | |
2083 | if (s->fd >= 0) { | |
069c159e | 2084 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
819f56b7 AL |
2085 | closesocket(s->fd); |
2086 | } | |
7267c094 | 2087 | g_free(s); |
a425d23f | 2088 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
2089 | } |
2090 | ||
1f51470d | 2091 | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
6f97dba0 AL |
2092 | { |
2093 | CharDriverState *chr = NULL; | |
2094 | NetCharDriver *s = NULL; | |
2095 | int fd = -1; | |
6f97dba0 | 2096 | |
7267c094 AL |
2097 | chr = g_malloc0(sizeof(CharDriverState)); |
2098 | s = g_malloc0(sizeof(NetCharDriver)); | |
6f97dba0 | 2099 | |
7e1b35b4 | 2100 | fd = inet_dgram_opts(opts); |
6f97dba0 | 2101 | if (fd < 0) { |
7e1b35b4 | 2102 | fprintf(stderr, "inet_dgram_opts failed\n"); |
6f97dba0 AL |
2103 | goto return_err; |
2104 | } | |
2105 | ||
2106 | s->fd = fd; | |
2107 | s->bufcnt = 0; | |
2108 | s->bufptr = 0; | |
2109 | chr->opaque = s; | |
2110 | chr->chr_write = udp_chr_write; | |
2111 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 2112 | chr->chr_close = udp_chr_close; |
1f51470d | 2113 | return chr; |
6f97dba0 AL |
2114 | |
2115 | return_err: | |
7267c094 AL |
2116 | g_free(chr); |
2117 | g_free(s); | |
6e1db57b | 2118 | if (fd >= 0) { |
6f97dba0 | 2119 | closesocket(fd); |
6e1db57b | 2120 | } |
1f51470d | 2121 | return NULL; |
6f97dba0 AL |
2122 | } |
2123 | ||
2124 | /***********************************************************/ | |
2125 | /* TCP Net console */ | |
2126 | ||
2127 | typedef struct { | |
2128 | int fd, listen_fd; | |
2129 | int connected; | |
2130 | int max_size; | |
2131 | int do_telnetopt; | |
2132 | int do_nodelay; | |
2133 | int is_unix; | |
7d174059 | 2134 | int msgfd; |
6f97dba0 AL |
2135 | } TCPCharDriver; |
2136 | ||
2137 | static void tcp_chr_accept(void *opaque); | |
2138 | ||
2139 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2140 | { | |
2141 | TCPCharDriver *s = chr->opaque; | |
2142 | if (s->connected) { | |
2143 | return send_all(s->fd, buf, len); | |
2144 | } else { | |
2145 | /* XXX: indicate an error ? */ | |
2146 | return len; | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | static int tcp_chr_read_poll(void *opaque) | |
2151 | { | |
2152 | CharDriverState *chr = opaque; | |
2153 | TCPCharDriver *s = chr->opaque; | |
2154 | if (!s->connected) | |
2155 | return 0; | |
909cda12 | 2156 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2157 | return s->max_size; |
2158 | } | |
2159 | ||
2160 | #define IAC 255 | |
2161 | #define IAC_BREAK 243 | |
2162 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2163 | TCPCharDriver *s, | |
2164 | uint8_t *buf, int *size) | |
2165 | { | |
2166 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2167 | * char mode with no echo. All IAC options will be removed from | |
2168 | * the buf and the do_telnetopt variable will be used to track the | |
2169 | * state of the width of the IAC information. | |
2170 | * | |
2171 | * IAC commands come in sets of 3 bytes with the exception of the | |
2172 | * "IAC BREAK" command and the double IAC. | |
2173 | */ | |
2174 | ||
2175 | int i; | |
2176 | int j = 0; | |
2177 | ||
2178 | for (i = 0; i < *size; i++) { | |
2179 | if (s->do_telnetopt > 1) { | |
2180 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2181 | /* Double IAC means send an IAC */ | |
2182 | if (j != i) | |
2183 | buf[j] = buf[i]; | |
2184 | j++; | |
2185 | s->do_telnetopt = 1; | |
2186 | } else { | |
2187 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2188 | /* Handle IAC break commands by sending a serial break */ | |
a425d23f | 2189 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
2190 | s->do_telnetopt++; |
2191 | } | |
2192 | s->do_telnetopt++; | |
2193 | } | |
2194 | if (s->do_telnetopt >= 4) { | |
2195 | s->do_telnetopt = 1; | |
2196 | } | |
2197 | } else { | |
2198 | if ((unsigned char)buf[i] == IAC) { | |
2199 | s->do_telnetopt = 2; | |
2200 | } else { | |
2201 | if (j != i) | |
2202 | buf[j] = buf[i]; | |
2203 | j++; | |
2204 | } | |
2205 | } | |
2206 | } | |
2207 | *size = j; | |
2208 | } | |
2209 | ||
7d174059 MM |
2210 | static int tcp_get_msgfd(CharDriverState *chr) |
2211 | { | |
2212 | TCPCharDriver *s = chr->opaque; | |
e53f27b9 PB |
2213 | int fd = s->msgfd; |
2214 | s->msgfd = -1; | |
2215 | return fd; | |
7d174059 MM |
2216 | } |
2217 | ||
73bcc2ac | 2218 | #ifndef _WIN32 |
7d174059 MM |
2219 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2220 | { | |
2221 | TCPCharDriver *s = chr->opaque; | |
2222 | struct cmsghdr *cmsg; | |
2223 | ||
2224 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { | |
2225 | int fd; | |
2226 | ||
2227 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || | |
2228 | cmsg->cmsg_level != SOL_SOCKET || | |
2229 | cmsg->cmsg_type != SCM_RIGHTS) | |
2230 | continue; | |
2231 | ||
2232 | fd = *((int *)CMSG_DATA(cmsg)); | |
2233 | if (fd < 0) | |
2234 | continue; | |
2235 | ||
2236 | if (s->msgfd != -1) | |
2237 | close(s->msgfd); | |
2238 | s->msgfd = fd; | |
2239 | } | |
2240 | } | |
2241 | ||
9977c894 MM |
2242 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2243 | { | |
2244 | TCPCharDriver *s = chr->opaque; | |
7cba04f6 | 2245 | struct msghdr msg = { NULL, }; |
9977c894 | 2246 | struct iovec iov[1]; |
7d174059 MM |
2247 | union { |
2248 | struct cmsghdr cmsg; | |
2249 | char control[CMSG_SPACE(sizeof(int))]; | |
2250 | } msg_control; | |
2251 | ssize_t ret; | |
9977c894 MM |
2252 | |
2253 | iov[0].iov_base = buf; | |
2254 | iov[0].iov_len = len; | |
2255 | ||
2256 | msg.msg_iov = iov; | |
2257 | msg.msg_iovlen = 1; | |
7d174059 MM |
2258 | msg.msg_control = &msg_control; |
2259 | msg.msg_controllen = sizeof(msg_control); | |
2260 | ||
2261 | ret = recvmsg(s->fd, &msg, 0); | |
2262 | if (ret > 0 && s->is_unix) | |
2263 | unix_process_msgfd(chr, &msg); | |
9977c894 | 2264 | |
7d174059 | 2265 | return ret; |
9977c894 MM |
2266 | } |
2267 | #else | |
2268 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) | |
2269 | { | |
2270 | TCPCharDriver *s = chr->opaque; | |
00aa0040 | 2271 | return qemu_recv(s->fd, buf, len, 0); |
9977c894 MM |
2272 | } |
2273 | #endif | |
2274 | ||
6f97dba0 AL |
2275 | static void tcp_chr_read(void *opaque) |
2276 | { | |
2277 | CharDriverState *chr = opaque; | |
2278 | TCPCharDriver *s = chr->opaque; | |
9bd7854e | 2279 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2280 | int len, size; |
2281 | ||
2282 | if (!s->connected || s->max_size <= 0) | |
2283 | return; | |
2284 | len = sizeof(buf); | |
2285 | if (len > s->max_size) | |
2286 | len = s->max_size; | |
9977c894 | 2287 | size = tcp_chr_recv(chr, (void *)buf, len); |
6f97dba0 AL |
2288 | if (size == 0) { |
2289 | /* connection closed */ | |
2290 | s->connected = 0; | |
2291 | if (s->listen_fd >= 0) { | |
069c159e | 2292 | qemu_set_fd_handler2(s->listen_fd, NULL, tcp_chr_accept, NULL, chr); |
6f97dba0 | 2293 | } |
069c159e | 2294 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
6f97dba0 AL |
2295 | closesocket(s->fd); |
2296 | s->fd = -1; | |
a425d23f | 2297 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2298 | } else if (size > 0) { |
2299 | if (s->do_telnetopt) | |
2300 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2301 | if (size > 0) | |
fa5efccb | 2302 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
2303 | } |
2304 | } | |
2305 | ||
68c18d1c BS |
2306 | #ifndef _WIN32 |
2307 | CharDriverState *qemu_chr_open_eventfd(int eventfd) | |
2308 | { | |
6cbf4c8c | 2309 | return qemu_chr_open_fd(eventfd, eventfd); |
6cbf4c8c | 2310 | } |
68c18d1c | 2311 | #endif |
6cbf4c8c | 2312 | |
6f97dba0 AL |
2313 | static void tcp_chr_connect(void *opaque) |
2314 | { | |
2315 | CharDriverState *chr = opaque; | |
2316 | TCPCharDriver *s = chr->opaque; | |
2317 | ||
2318 | s->connected = 1; | |
2319 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2320 | tcp_chr_read, NULL, chr); | |
127338e6 | 2321 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
2322 | } |
2323 | ||
2324 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2325 | static void tcp_chr_telnet_init(int fd) | |
2326 | { | |
2327 | char buf[3]; | |
2328 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2329 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2330 | send(fd, (char *)buf, 3, 0); | |
2331 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2332 | send(fd, (char *)buf, 3, 0); | |
2333 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2334 | send(fd, (char *)buf, 3, 0); | |
2335 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2336 | send(fd, (char *)buf, 3, 0); | |
2337 | } | |
2338 | ||
2339 | static void socket_set_nodelay(int fd) | |
2340 | { | |
2341 | int val = 1; | |
2342 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
2343 | } | |
2344 | ||
13661089 DB |
2345 | static int tcp_chr_add_client(CharDriverState *chr, int fd) |
2346 | { | |
2347 | TCPCharDriver *s = chr->opaque; | |
2348 | if (s->fd != -1) | |
2349 | return -1; | |
2350 | ||
2351 | socket_set_nonblock(fd); | |
2352 | if (s->do_nodelay) | |
2353 | socket_set_nodelay(fd); | |
2354 | s->fd = fd; | |
069c159e | 2355 | qemu_set_fd_handler2(s->listen_fd, NULL, NULL, NULL, NULL); |
13661089 DB |
2356 | tcp_chr_connect(chr); |
2357 | ||
2358 | return 0; | |
2359 | } | |
2360 | ||
6f97dba0 AL |
2361 | static void tcp_chr_accept(void *opaque) |
2362 | { | |
2363 | CharDriverState *chr = opaque; | |
2364 | TCPCharDriver *s = chr->opaque; | |
2365 | struct sockaddr_in saddr; | |
2366 | #ifndef _WIN32 | |
2367 | struct sockaddr_un uaddr; | |
2368 | #endif | |
2369 | struct sockaddr *addr; | |
2370 | socklen_t len; | |
2371 | int fd; | |
2372 | ||
2373 | for(;;) { | |
2374 | #ifndef _WIN32 | |
2375 | if (s->is_unix) { | |
2376 | len = sizeof(uaddr); | |
2377 | addr = (struct sockaddr *)&uaddr; | |
2378 | } else | |
2379 | #endif | |
2380 | { | |
2381 | len = sizeof(saddr); | |
2382 | addr = (struct sockaddr *)&saddr; | |
2383 | } | |
40ff6d7e | 2384 | fd = qemu_accept(s->listen_fd, addr, &len); |
6f97dba0 AL |
2385 | if (fd < 0 && errno != EINTR) { |
2386 | return; | |
2387 | } else if (fd >= 0) { | |
2388 | if (s->do_telnetopt) | |
2389 | tcp_chr_telnet_init(fd); | |
2390 | break; | |
2391 | } | |
2392 | } | |
13661089 DB |
2393 | if (tcp_chr_add_client(chr, fd) < 0) |
2394 | close(fd); | |
6f97dba0 AL |
2395 | } |
2396 | ||
2397 | static void tcp_chr_close(CharDriverState *chr) | |
2398 | { | |
2399 | TCPCharDriver *s = chr->opaque; | |
819f56b7 | 2400 | if (s->fd >= 0) { |
069c159e | 2401 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
6f97dba0 | 2402 | closesocket(s->fd); |
819f56b7 AL |
2403 | } |
2404 | if (s->listen_fd >= 0) { | |
069c159e | 2405 | qemu_set_fd_handler2(s->listen_fd, NULL, NULL, NULL, NULL); |
6f97dba0 | 2406 | closesocket(s->listen_fd); |
819f56b7 | 2407 | } |
7267c094 | 2408 | g_free(s); |
a425d23f | 2409 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2410 | } |
2411 | ||
1f51470d | 2412 | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) |
6f97dba0 AL |
2413 | { |
2414 | CharDriverState *chr = NULL; | |
2415 | TCPCharDriver *s = NULL; | |
aeb2c47a GH |
2416 | int fd = -1; |
2417 | int is_listen; | |
2418 | int is_waitconnect; | |
2419 | int do_nodelay; | |
2420 | int is_unix; | |
2421 | int is_telnet; | |
2422 | ||
2423 | is_listen = qemu_opt_get_bool(opts, "server", 0); | |
2424 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); | |
2425 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); | |
2426 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); | |
2427 | is_unix = qemu_opt_get(opts, "path") != NULL; | |
6f97dba0 AL |
2428 | if (!is_listen) |
2429 | is_waitconnect = 0; | |
2430 | ||
7267c094 AL |
2431 | chr = g_malloc0(sizeof(CharDriverState)); |
2432 | s = g_malloc0(sizeof(TCPCharDriver)); | |
6f97dba0 | 2433 | |
f07b6003 AL |
2434 | if (is_unix) { |
2435 | if (is_listen) { | |
aeb2c47a | 2436 | fd = unix_listen_opts(opts); |
f07b6003 | 2437 | } else { |
aeb2c47a | 2438 | fd = unix_connect_opts(opts); |
f07b6003 AL |
2439 | } |
2440 | } else { | |
2441 | if (is_listen) { | |
aeb2c47a | 2442 | fd = inet_listen_opts(opts, 0); |
f07b6003 | 2443 | } else { |
aeb2c47a | 2444 | fd = inet_connect_opts(opts); |
f07b6003 AL |
2445 | } |
2446 | } | |
1f51470d | 2447 | if (fd < 0) |
6f97dba0 AL |
2448 | goto fail; |
2449 | ||
2450 | if (!is_waitconnect) | |
2451 | socket_set_nonblock(fd); | |
2452 | ||
2453 | s->connected = 0; | |
2454 | s->fd = -1; | |
2455 | s->listen_fd = -1; | |
7d174059 | 2456 | s->msgfd = -1; |
6f97dba0 AL |
2457 | s->is_unix = is_unix; |
2458 | s->do_nodelay = do_nodelay && !is_unix; | |
2459 | ||
2460 | chr->opaque = s; | |
2461 | chr->chr_write = tcp_chr_write; | |
2462 | chr->chr_close = tcp_chr_close; | |
7d174059 | 2463 | chr->get_msgfd = tcp_get_msgfd; |
13661089 | 2464 | chr->chr_add_client = tcp_chr_add_client; |
6f97dba0 AL |
2465 | |
2466 | if (is_listen) { | |
6f97dba0 | 2467 | s->listen_fd = fd; |
069c159e | 2468 | qemu_set_fd_handler2(s->listen_fd, NULL, tcp_chr_accept, NULL, chr); |
6f97dba0 AL |
2469 | if (is_telnet) |
2470 | s->do_telnetopt = 1; | |
aeb2c47a | 2471 | |
6f97dba0 | 2472 | } else { |
f07b6003 | 2473 | s->connected = 1; |
6f97dba0 AL |
2474 | s->fd = fd; |
2475 | socket_set_nodelay(fd); | |
f07b6003 | 2476 | tcp_chr_connect(chr); |
6f97dba0 AL |
2477 | } |
2478 | ||
aeb2c47a | 2479 | /* for "info chardev" monitor command */ |
7267c094 | 2480 | chr->filename = g_malloc(256); |
aeb2c47a GH |
2481 | if (is_unix) { |
2482 | snprintf(chr->filename, 256, "unix:%s%s", | |
2483 | qemu_opt_get(opts, "path"), | |
2484 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2485 | } else if (is_telnet) { | |
2486 | snprintf(chr->filename, 256, "telnet:%s:%s%s", | |
2487 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2488 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2489 | } else { | |
2490 | snprintf(chr->filename, 256, "tcp:%s:%s%s", | |
2491 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2492 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2493 | } | |
2494 | ||
6f97dba0 | 2495 | if (is_listen && is_waitconnect) { |
f07b6003 | 2496 | printf("QEMU waiting for connection on: %s\n", |
aeb2c47a | 2497 | chr->filename); |
6f97dba0 AL |
2498 | tcp_chr_accept(chr); |
2499 | socket_set_nonblock(s->listen_fd); | |
2500 | } | |
1f51470d | 2501 | return chr; |
aeb2c47a | 2502 | |
6f97dba0 AL |
2503 | fail: |
2504 | if (fd >= 0) | |
2505 | closesocket(fd); | |
7267c094 AL |
2506 | g_free(s); |
2507 | g_free(chr); | |
1f51470d | 2508 | return NULL; |
6f97dba0 AL |
2509 | } |
2510 | ||
999bd67c LC |
2511 | /***********************************************************/ |
2512 | /* Memory chardev */ | |
2513 | typedef struct { | |
2514 | size_t outbuf_size; | |
2515 | size_t outbuf_capacity; | |
2516 | uint8_t *outbuf; | |
2517 | } MemoryDriver; | |
2518 | ||
2519 | static int mem_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2520 | { | |
2521 | MemoryDriver *d = chr->opaque; | |
2522 | ||
2523 | /* TODO: the QString implementation has the same code, we should | |
2524 | * introduce a generic way to do this in cutils.c */ | |
2525 | if (d->outbuf_capacity < d->outbuf_size + len) { | |
2526 | /* grow outbuf */ | |
2527 | d->outbuf_capacity += len; | |
2528 | d->outbuf_capacity *= 2; | |
7267c094 | 2529 | d->outbuf = g_realloc(d->outbuf, d->outbuf_capacity); |
999bd67c LC |
2530 | } |
2531 | ||
2532 | memcpy(d->outbuf + d->outbuf_size, buf, len); | |
2533 | d->outbuf_size += len; | |
2534 | ||
2535 | return len; | |
2536 | } | |
2537 | ||
2538 | void qemu_chr_init_mem(CharDriverState *chr) | |
2539 | { | |
2540 | MemoryDriver *d; | |
2541 | ||
7267c094 | 2542 | d = g_malloc(sizeof(*d)); |
999bd67c LC |
2543 | d->outbuf_size = 0; |
2544 | d->outbuf_capacity = 4096; | |
7267c094 | 2545 | d->outbuf = g_malloc0(d->outbuf_capacity); |
999bd67c LC |
2546 | |
2547 | memset(chr, 0, sizeof(*chr)); | |
2548 | chr->opaque = d; | |
2549 | chr->chr_write = mem_chr_write; | |
2550 | } | |
2551 | ||
2552 | QString *qemu_chr_mem_to_qs(CharDriverState *chr) | |
2553 | { | |
2554 | MemoryDriver *d = chr->opaque; | |
2555 | return qstring_from_substr((char *) d->outbuf, 0, d->outbuf_size - 1); | |
2556 | } | |
2557 | ||
70f24fb6 | 2558 | /* NOTE: this driver can not be closed with qemu_chr_delete()! */ |
999bd67c LC |
2559 | void qemu_chr_close_mem(CharDriverState *chr) |
2560 | { | |
2561 | MemoryDriver *d = chr->opaque; | |
2562 | ||
7267c094 AL |
2563 | g_free(d->outbuf); |
2564 | g_free(chr->opaque); | |
999bd67c LC |
2565 | chr->opaque = NULL; |
2566 | chr->chr_write = NULL; | |
2567 | } | |
2568 | ||
2569 | size_t qemu_chr_mem_osize(const CharDriverState *chr) | |
2570 | { | |
2571 | const MemoryDriver *d = chr->opaque; | |
2572 | return d->outbuf_size; | |
2573 | } | |
2574 | ||
33521634 | 2575 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 2576 | { |
6ea314d9 | 2577 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 2578 | int pos; |
7d31544f | 2579 | const char *p; |
191bc01b GH |
2580 | QemuOpts *opts; |
2581 | ||
3329f07b | 2582 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1); |
191bc01b GH |
2583 | if (NULL == opts) |
2584 | return NULL; | |
2585 | ||
7591c5c1 GH |
2586 | if (strstart(filename, "mon:", &p)) { |
2587 | filename = p; | |
2588 | qemu_opt_set(opts, "mux", "on"); | |
2589 | } | |
2590 | ||
f0457e8d GH |
2591 | if (strcmp(filename, "null") == 0 || |
2592 | strcmp(filename, "pty") == 0 || | |
2593 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 2594 | strcmp(filename, "braille") == 0 || |
f0457e8d | 2595 | strcmp(filename, "stdio") == 0) { |
4490dadf | 2596 | qemu_opt_set(opts, "backend", filename); |
191bc01b GH |
2597 | return opts; |
2598 | } | |
6ea314d9 GH |
2599 | if (strstart(filename, "vc", &p)) { |
2600 | qemu_opt_set(opts, "backend", "vc"); | |
2601 | if (*p == ':') { | |
2602 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { | |
2603 | /* pixels */ | |
2604 | qemu_opt_set(opts, "width", width); | |
2605 | qemu_opt_set(opts, "height", height); | |
2606 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { | |
2607 | /* chars */ | |
2608 | qemu_opt_set(opts, "cols", width); | |
2609 | qemu_opt_set(opts, "rows", height); | |
2610 | } else { | |
2611 | goto fail; | |
2612 | } | |
2613 | } | |
2614 | return opts; | |
2615 | } | |
d6c983cd GH |
2616 | if (strcmp(filename, "con:") == 0) { |
2617 | qemu_opt_set(opts, "backend", "console"); | |
2618 | return opts; | |
2619 | } | |
48b76496 GH |
2620 | if (strstart(filename, "COM", NULL)) { |
2621 | qemu_opt_set(opts, "backend", "serial"); | |
2622 | qemu_opt_set(opts, "path", filename); | |
2623 | return opts; | |
2624 | } | |
7d31544f GH |
2625 | if (strstart(filename, "file:", &p)) { |
2626 | qemu_opt_set(opts, "backend", "file"); | |
2627 | qemu_opt_set(opts, "path", p); | |
2628 | return opts; | |
2629 | } | |
2630 | if (strstart(filename, "pipe:", &p)) { | |
2631 | qemu_opt_set(opts, "backend", "pipe"); | |
2632 | qemu_opt_set(opts, "path", p); | |
2633 | return opts; | |
2634 | } | |
aeb2c47a GH |
2635 | if (strstart(filename, "tcp:", &p) || |
2636 | strstart(filename, "telnet:", &p)) { | |
2637 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2638 | host[0] = 0; | |
2639 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
2640 | goto fail; | |
2641 | } | |
2642 | qemu_opt_set(opts, "backend", "socket"); | |
2643 | qemu_opt_set(opts, "host", host); | |
2644 | qemu_opt_set(opts, "port", port); | |
2645 | if (p[pos] == ',') { | |
2646 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) | |
2647 | goto fail; | |
2648 | } | |
2649 | if (strstart(filename, "telnet:", &p)) | |
2650 | qemu_opt_set(opts, "telnet", "on"); | |
2651 | return opts; | |
2652 | } | |
7e1b35b4 GH |
2653 | if (strstart(filename, "udp:", &p)) { |
2654 | qemu_opt_set(opts, "backend", "udp"); | |
2655 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { | |
2656 | host[0] = 0; | |
39324ca4 | 2657 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
2658 | goto fail; |
2659 | } | |
2660 | } | |
2661 | qemu_opt_set(opts, "host", host); | |
2662 | qemu_opt_set(opts, "port", port); | |
2663 | if (p[pos] == '@') { | |
2664 | p += pos + 1; | |
2665 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2666 | host[0] = 0; | |
2667 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
2668 | goto fail; |
2669 | } | |
2670 | } | |
2671 | qemu_opt_set(opts, "localaddr", host); | |
2672 | qemu_opt_set(opts, "localport", port); | |
2673 | } | |
2674 | return opts; | |
2675 | } | |
aeb2c47a GH |
2676 | if (strstart(filename, "unix:", &p)) { |
2677 | qemu_opt_set(opts, "backend", "socket"); | |
2678 | if (qemu_opts_do_parse(opts, p, "path") != 0) | |
2679 | goto fail; | |
2680 | return opts; | |
2681 | } | |
48b76496 GH |
2682 | if (strstart(filename, "/dev/parport", NULL) || |
2683 | strstart(filename, "/dev/ppi", NULL)) { | |
2684 | qemu_opt_set(opts, "backend", "parport"); | |
2685 | qemu_opt_set(opts, "path", filename); | |
2686 | return opts; | |
2687 | } | |
2688 | if (strstart(filename, "/dev/", NULL)) { | |
2689 | qemu_opt_set(opts, "backend", "tty"); | |
2690 | qemu_opt_set(opts, "path", filename); | |
2691 | return opts; | |
2692 | } | |
191bc01b | 2693 | |
aeb2c47a | 2694 | fail: |
191bc01b GH |
2695 | qemu_opts_del(opts); |
2696 | return NULL; | |
2697 | } | |
2698 | ||
2699 | static const struct { | |
2700 | const char *name; | |
1f51470d | 2701 | CharDriverState *(*open)(QemuOpts *opts); |
191bc01b GH |
2702 | } backend_table[] = { |
2703 | { .name = "null", .open = qemu_chr_open_null }, | |
aeb2c47a | 2704 | { .name = "socket", .open = qemu_chr_open_socket }, |
7e1b35b4 | 2705 | { .name = "udp", .open = qemu_chr_open_udp }, |
f0457e8d | 2706 | { .name = "msmouse", .open = qemu_chr_open_msmouse }, |
6ea314d9 | 2707 | { .name = "vc", .open = text_console_init }, |
7d31544f GH |
2708 | #ifdef _WIN32 |
2709 | { .name = "file", .open = qemu_chr_open_win_file_out }, | |
2710 | { .name = "pipe", .open = qemu_chr_open_win_pipe }, | |
d6c983cd | 2711 | { .name = "console", .open = qemu_chr_open_win_con }, |
48b76496 | 2712 | { .name = "serial", .open = qemu_chr_open_win }, |
db418a0a | 2713 | { .name = "stdio", .open = qemu_chr_open_win_stdio }, |
7d31544f GH |
2714 | #else |
2715 | { .name = "file", .open = qemu_chr_open_file_out }, | |
2716 | { .name = "pipe", .open = qemu_chr_open_pipe }, | |
4490dadf | 2717 | { .name = "pty", .open = qemu_chr_open_pty }, |
3c17affb | 2718 | { .name = "stdio", .open = qemu_chr_open_stdio }, |
7d31544f | 2719 | #endif |
dc1c21e6 GH |
2720 | #ifdef CONFIG_BRLAPI |
2721 | { .name = "braille", .open = chr_baum_init }, | |
2722 | #endif | |
48b76496 | 2723 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
a167ba50 AJ |
2724 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
2725 | || defined(__FreeBSD_kernel__) | |
48b76496 GH |
2726 | { .name = "tty", .open = qemu_chr_open_tty }, |
2727 | #endif | |
a167ba50 AJ |
2728 | #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) \ |
2729 | || defined(__FreeBSD_kernel__) | |
48b76496 GH |
2730 | { .name = "parport", .open = qemu_chr_open_pp }, |
2731 | #endif | |
cbcc6336 AL |
2732 | #ifdef CONFIG_SPICE |
2733 | { .name = "spicevmc", .open = qemu_chr_open_spice }, | |
2734 | #endif | |
191bc01b GH |
2735 | }; |
2736 | ||
f69554b9 | 2737 | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, |
191bc01b GH |
2738 | void (*init)(struct CharDriverState *s)) |
2739 | { | |
2740 | CharDriverState *chr; | |
2741 | int i; | |
2742 | ||
2743 | if (qemu_opts_id(opts) == NULL) { | |
2744 | fprintf(stderr, "chardev: no id specified\n"); | |
2745 | return NULL; | |
2746 | } | |
2747 | ||
1bbd185f SH |
2748 | if (qemu_opt_get(opts, "backend") == NULL) { |
2749 | fprintf(stderr, "chardev: \"%s\" missing backend\n", | |
2750 | qemu_opts_id(opts)); | |
2751 | return NULL; | |
2752 | } | |
191bc01b GH |
2753 | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
2754 | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) | |
2755 | break; | |
2756 | } | |
2757 | if (i == ARRAY_SIZE(backend_table)) { | |
2758 | fprintf(stderr, "chardev: backend \"%s\" not found\n", | |
2759 | qemu_opt_get(opts, "backend")); | |
2760 | return NULL; | |
2761 | } | |
2762 | ||
1f51470d MA |
2763 | chr = backend_table[i].open(opts); |
2764 | if (!chr) { | |
2765 | fprintf(stderr, "chardev: opening backend \"%s\" failed\n", | |
2766 | qemu_opt_get(opts, "backend")); | |
191bc01b GH |
2767 | return NULL; |
2768 | } | |
2769 | ||
2770 | if (!chr->filename) | |
7267c094 | 2771 | chr->filename = g_strdup(qemu_opt_get(opts, "backend")); |
191bc01b | 2772 | chr->init = init; |
72cf2d4f | 2773 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
7591c5c1 GH |
2774 | |
2775 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
2776 | CharDriverState *base = chr; | |
2777 | int len = strlen(qemu_opts_id(opts)) + 6; | |
7267c094 | 2778 | base->label = g_malloc(len); |
7591c5c1 GH |
2779 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); |
2780 | chr = qemu_chr_open_mux(base); | |
2781 | chr->filename = base->filename; | |
d5b27167 | 2782 | chr->avail_connections = MAX_MUX; |
72cf2d4f | 2783 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
d5b27167 KK |
2784 | } else { |
2785 | chr->avail_connections = 1; | |
7591c5c1 | 2786 | } |
7267c094 | 2787 | chr->label = g_strdup(qemu_opts_id(opts)); |
191bc01b GH |
2788 | return chr; |
2789 | } | |
2790 | ||
27143a44 | 2791 | CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
2792 | { |
2793 | const char *p; | |
2794 | CharDriverState *chr; | |
191bc01b GH |
2795 | QemuOpts *opts; |
2796 | ||
c845f401 GH |
2797 | if (strstart(filename, "chardev:", &p)) { |
2798 | return qemu_chr_find(p); | |
2799 | } | |
2800 | ||
191bc01b | 2801 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
2802 | if (!opts) |
2803 | return NULL; | |
6f97dba0 | 2804 | |
f69554b9 | 2805 | chr = qemu_chr_new_from_opts(opts, init); |
7e1b35b4 GH |
2806 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
2807 | monitor_init(chr, MONITOR_USE_READLINE); | |
6f97dba0 | 2808 | } |
363f8cb9 | 2809 | qemu_opts_del(opts); |
6f97dba0 AL |
2810 | return chr; |
2811 | } | |
2812 | ||
15f31519 | 2813 | void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) |
c48855e1 PB |
2814 | { |
2815 | if (chr->chr_set_echo) { | |
2816 | chr->chr_set_echo(chr, echo); | |
2817 | } | |
2818 | } | |
2819 | ||
c9d830ed | 2820 | void qemu_chr_fe_open(struct CharDriverState *chr) |
7c32c4fe HG |
2821 | { |
2822 | if (chr->chr_guest_open) { | |
2823 | chr->chr_guest_open(chr); | |
2824 | } | |
2825 | } | |
2826 | ||
2817822d | 2827 | void qemu_chr_fe_close(struct CharDriverState *chr) |
7c32c4fe HG |
2828 | { |
2829 | if (chr->chr_guest_close) { | |
2830 | chr->chr_guest_close(chr); | |
2831 | } | |
2832 | } | |
2833 | ||
70f24fb6 | 2834 | void qemu_chr_delete(CharDriverState *chr) |
6f97dba0 | 2835 | { |
72cf2d4f | 2836 | QTAILQ_REMOVE(&chardevs, chr, next); |
6f97dba0 AL |
2837 | if (chr->chr_close) |
2838 | chr->chr_close(chr); | |
7267c094 AL |
2839 | g_free(chr->filename); |
2840 | g_free(chr->label); | |
2841 | g_free(chr); | |
6f97dba0 AL |
2842 | } |
2843 | ||
c5a415a0 | 2844 | ChardevInfoList *qmp_query_chardev(Error **errp) |
6f97dba0 | 2845 | { |
c5a415a0 | 2846 | ChardevInfoList *chr_list = NULL; |
6f97dba0 AL |
2847 | CharDriverState *chr; |
2848 | ||
72cf2d4f | 2849 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c5a415a0 LC |
2850 | ChardevInfoList *info = g_malloc0(sizeof(*info)); |
2851 | info->value = g_malloc0(sizeof(*info->value)); | |
2852 | info->value->label = g_strdup(chr->label); | |
2853 | info->value->filename = g_strdup(chr->filename); | |
2854 | ||
2855 | info->next = chr_list; | |
2856 | chr_list = info; | |
6f97dba0 | 2857 | } |
588b3832 | 2858 | |
c5a415a0 | 2859 | return chr_list; |
6f97dba0 | 2860 | } |
c845f401 GH |
2861 | |
2862 | CharDriverState *qemu_chr_find(const char *name) | |
2863 | { | |
2864 | CharDriverState *chr; | |
2865 | ||
72cf2d4f | 2866 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
2867 | if (strcmp(chr->label, name) != 0) |
2868 | continue; | |
2869 | return chr; | |
2870 | } | |
2871 | return NULL; | |
2872 | } | |
0beb4942 AL |
2873 | |
2874 | /* Get a character (serial) device interface. */ | |
2875 | CharDriverState *qemu_char_get_next_serial(void) | |
2876 | { | |
2877 | static int next_serial; | |
2878 | ||
2879 | /* FIXME: This function needs to go away: use chardev properties! */ | |
2880 | return serial_hds[next_serial++]; | |
2881 | } | |
2882 |