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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" | |
83c9089e | 25 | #include "monitor/monitor.h" |
28ecbaee | 26 | #include "ui/console.h" |
9c17d615 | 27 | #include "sysemu/sysemu.h" |
1de7afc9 | 28 | #include "qemu/timer.h" |
dccfcd0e | 29 | #include "sysemu/char.h" |
cf3ebac7 | 30 | #include "hw/usb.h" |
c5a415a0 | 31 | #include "qmp-commands.h" |
6f97dba0 AL |
32 | |
33 | #include <unistd.h> | |
34 | #include <fcntl.h> | |
6f97dba0 AL |
35 | #include <time.h> |
36 | #include <errno.h> | |
37 | #include <sys/time.h> | |
38 | #include <zlib.h> | |
39 | ||
40 | #ifndef _WIN32 | |
41 | #include <sys/times.h> | |
42 | #include <sys/wait.h> | |
43 | #include <termios.h> | |
44 | #include <sys/mman.h> | |
45 | #include <sys/ioctl.h> | |
24646c7e | 46 | #include <sys/resource.h> |
6f97dba0 AL |
47 | #include <sys/socket.h> |
48 | #include <netinet/in.h> | |
24646c7e | 49 | #include <net/if.h> |
24646c7e | 50 | #include <arpa/inet.h> |
6f97dba0 AL |
51 | #include <dirent.h> |
52 | #include <netdb.h> | |
53 | #include <sys/select.h> | |
71e72a19 | 54 | #ifdef CONFIG_BSD |
6f97dba0 | 55 | #include <sys/stat.h> |
3294ce18 MT |
56 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
57 | #include <dev/ppbus/ppi.h> | |
58 | #include <dev/ppbus/ppbconf.h> | |
c5e97233 | 59 | #elif defined(__DragonFly__) |
c5e97233 BS |
60 | #include <dev/misc/ppi/ppi.h> |
61 | #include <bus/ppbus/ppbconf.h> | |
6f97dba0 | 62 | #endif |
bbe813a2 | 63 | #else |
6f97dba0 | 64 | #ifdef __linux__ |
6f97dba0 AL |
65 | #include <linux/ppdev.h> |
66 | #include <linux/parport.h> | |
67 | #endif | |
68 | #ifdef __sun__ | |
69 | #include <sys/stat.h> | |
70 | #include <sys/ethernet.h> | |
71 | #include <sys/sockio.h> | |
72 | #include <netinet/arp.h> | |
73 | #include <netinet/in.h> | |
74 | #include <netinet/in_systm.h> | |
75 | #include <netinet/ip.h> | |
76 | #include <netinet/ip_icmp.h> // must come after ip.h | |
77 | #include <netinet/udp.h> | |
78 | #include <netinet/tcp.h> | |
79 | #include <net/if.h> | |
80 | #include <syslog.h> | |
6f97dba0 AL |
81 | #endif |
82 | #endif | |
83 | #endif | |
84 | ||
1de7afc9 | 85 | #include "qemu/sockets.h" |
cbcc6336 | 86 | #include "ui/qemu-spice.h" |
6f97dba0 | 87 | |
9bd7854e AS |
88 | #define READ_BUF_LEN 4096 |
89 | ||
6f97dba0 AL |
90 | /***********************************************************/ |
91 | /* character device */ | |
92 | ||
72cf2d4f BS |
93 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
94 | QTAILQ_HEAD_INITIALIZER(chardevs); | |
2970a6c9 | 95 | |
a425d23f | 96 | void qemu_chr_be_event(CharDriverState *s, int event) |
6f97dba0 | 97 | { |
73cdf3f2 AG |
98 | /* Keep track if the char device is open */ |
99 | switch (event) { | |
100 | case CHR_EVENT_OPENED: | |
16665b94 | 101 | s->be_open = 1; |
73cdf3f2 AG |
102 | break; |
103 | case CHR_EVENT_CLOSED: | |
16665b94 | 104 | s->be_open = 0; |
73cdf3f2 AG |
105 | break; |
106 | } | |
107 | ||
6f97dba0 AL |
108 | if (!s->chr_event) |
109 | return; | |
110 | s->chr_event(s->handler_opaque, event); | |
111 | } | |
112 | ||
fee204fd | 113 | void qemu_chr_be_generic_open(CharDriverState *s) |
6f97dba0 | 114 | { |
252a7c6e | 115 | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
6f97dba0 AL |
116 | } |
117 | ||
2cc6e0a1 | 118 | int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len) |
6f97dba0 AL |
119 | { |
120 | return s->chr_write(s, buf, len); | |
121 | } | |
122 | ||
cd18720a AL |
123 | int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len) |
124 | { | |
125 | int offset = 0; | |
126 | int res; | |
127 | ||
128 | while (offset < len) { | |
129 | do { | |
130 | res = s->chr_write(s, buf + offset, len - offset); | |
131 | if (res == -1 && errno == EAGAIN) { | |
132 | g_usleep(100); | |
133 | } | |
134 | } while (res == -1 && errno == EAGAIN); | |
135 | ||
136 | if (res == 0) { | |
137 | break; | |
138 | } | |
139 | ||
140 | if (res < 0) { | |
141 | return res; | |
142 | } | |
143 | ||
144 | offset += res; | |
145 | } | |
146 | ||
147 | return offset; | |
148 | } | |
149 | ||
41084f1b | 150 | int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg) |
6f97dba0 AL |
151 | { |
152 | if (!s->chr_ioctl) | |
153 | return -ENOTSUP; | |
154 | return s->chr_ioctl(s, cmd, arg); | |
155 | } | |
156 | ||
909cda12 | 157 | int qemu_chr_be_can_write(CharDriverState *s) |
6f97dba0 AL |
158 | { |
159 | if (!s->chr_can_read) | |
160 | return 0; | |
161 | return s->chr_can_read(s->handler_opaque); | |
162 | } | |
163 | ||
fa5efccb | 164 | void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) |
6f97dba0 | 165 | { |
ac310734 SW |
166 | if (s->chr_read) { |
167 | s->chr_read(s->handler_opaque, buf, len); | |
168 | } | |
6f97dba0 AL |
169 | } |
170 | ||
74c0d6f0 | 171 | int qemu_chr_fe_get_msgfd(CharDriverState *s) |
7d174059 MM |
172 | { |
173 | return s->get_msgfd ? s->get_msgfd(s) : -1; | |
174 | } | |
175 | ||
13661089 DB |
176 | int qemu_chr_add_client(CharDriverState *s, int fd) |
177 | { | |
178 | return s->chr_add_client ? s->chr_add_client(s, fd) : -1; | |
179 | } | |
180 | ||
6f97dba0 AL |
181 | void qemu_chr_accept_input(CharDriverState *s) |
182 | { | |
183 | if (s->chr_accept_input) | |
184 | s->chr_accept_input(s); | |
98c8ee1d | 185 | qemu_notify_event(); |
6f97dba0 AL |
186 | } |
187 | ||
e7e71b0e | 188 | void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) |
6f97dba0 | 189 | { |
9bd7854e | 190 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
191 | va_list ap; |
192 | va_start(ap, fmt); | |
193 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
2cc6e0a1 | 194 | qemu_chr_fe_write(s, (uint8_t *)buf, strlen(buf)); |
6f97dba0 AL |
195 | va_end(ap); |
196 | } | |
197 | ||
6f97dba0 | 198 | void qemu_chr_add_handlers(CharDriverState *s, |
7b27a769 | 199 | IOCanReadHandler *fd_can_read, |
6f97dba0 AL |
200 | IOReadHandler *fd_read, |
201 | IOEventHandler *fd_event, | |
202 | void *opaque) | |
203 | { | |
19083228 HG |
204 | int fe_open; |
205 | ||
da7d998b | 206 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
19083228 HG |
207 | fe_open = 0; |
208 | } else { | |
209 | fe_open = 1; | |
2d6c1ef4 | 210 | } |
6f97dba0 AL |
211 | s->chr_can_read = fd_can_read; |
212 | s->chr_read = fd_read; | |
213 | s->chr_event = fd_event; | |
214 | s->handler_opaque = opaque; | |
215 | if (s->chr_update_read_handler) | |
216 | s->chr_update_read_handler(s); | |
73cdf3f2 | 217 | |
19083228 | 218 | if (!s->explicit_fe_open) { |
8e25daa8 | 219 | qemu_chr_fe_set_open(s, fe_open); |
19083228 HG |
220 | } |
221 | ||
73cdf3f2 AG |
222 | /* We're connecting to an already opened device, so let's make sure we |
223 | also get the open event */ | |
a59bcd31 | 224 | if (fe_open && s->be_open) { |
fee204fd | 225 | qemu_chr_be_generic_open(s); |
73cdf3f2 | 226 | } |
6f97dba0 AL |
227 | } |
228 | ||
229 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
230 | { | |
231 | return len; | |
232 | } | |
233 | ||
80dca9e6 | 234 | static CharDriverState *qemu_chr_open_null(void) |
6f97dba0 AL |
235 | { |
236 | CharDriverState *chr; | |
237 | ||
7267c094 | 238 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 | 239 | chr->chr_write = null_chr_write; |
252a7c6e | 240 | chr->explicit_be_open = true; |
1f51470d | 241 | return chr; |
6f97dba0 AL |
242 | } |
243 | ||
244 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
245 | #define MAX_MUX 4 |
246 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
247 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
248 | typedef struct { | |
7b27a769 | 249 | IOCanReadHandler *chr_can_read[MAX_MUX]; |
6f97dba0 AL |
250 | IOReadHandler *chr_read[MAX_MUX]; |
251 | IOEventHandler *chr_event[MAX_MUX]; | |
252 | void *ext_opaque[MAX_MUX]; | |
253 | CharDriverState *drv; | |
799f1f23 | 254 | int focus; |
6f97dba0 AL |
255 | int mux_cnt; |
256 | int term_got_escape; | |
257 | int max_size; | |
a80bf99f AL |
258 | /* Intermediate input buffer allows to catch escape sequences even if the |
259 | currently active device is not accepting any input - but only until it | |
260 | is full as well. */ | |
261 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
262 | int prod[MAX_MUX]; | |
263 | int cons[MAX_MUX]; | |
2d22959d | 264 | int timestamps; |
4ab312f7 | 265 | int linestart; |
2d22959d | 266 | int64_t timestamps_start; |
6f97dba0 AL |
267 | } MuxDriver; |
268 | ||
269 | ||
270 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
271 | { | |
272 | MuxDriver *d = chr->opaque; | |
273 | int ret; | |
2d22959d | 274 | if (!d->timestamps) { |
6f97dba0 AL |
275 | ret = d->drv->chr_write(d->drv, buf, len); |
276 | } else { | |
277 | int i; | |
278 | ||
279 | ret = 0; | |
4ab312f7 JK |
280 | for (i = 0; i < len; i++) { |
281 | if (d->linestart) { | |
6f97dba0 AL |
282 | char buf1[64]; |
283 | int64_t ti; | |
284 | int secs; | |
285 | ||
7bd427d8 | 286 | ti = qemu_get_clock_ms(rt_clock); |
2d22959d JK |
287 | if (d->timestamps_start == -1) |
288 | d->timestamps_start = ti; | |
289 | ti -= d->timestamps_start; | |
a4bb1db8 | 290 | secs = ti / 1000; |
6f97dba0 AL |
291 | snprintf(buf1, sizeof(buf1), |
292 | "[%02d:%02d:%02d.%03d] ", | |
293 | secs / 3600, | |
294 | (secs / 60) % 60, | |
295 | secs % 60, | |
a4bb1db8 | 296 | (int)(ti % 1000)); |
6f97dba0 | 297 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
298 | d->linestart = 0; |
299 | } | |
300 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
301 | if (buf[i] == '\n') { | |
302 | d->linestart = 1; | |
6f97dba0 AL |
303 | } |
304 | } | |
305 | } | |
306 | return ret; | |
307 | } | |
308 | ||
309 | static const char * const mux_help[] = { | |
310 | "% h print this help\n\r", | |
311 | "% x exit emulator\n\r", | |
312 | "% s save disk data back to file (if -snapshot)\n\r", | |
313 | "% t toggle console timestamps\n\r" | |
314 | "% b send break (magic sysrq)\n\r", | |
315 | "% c switch between console and monitor\n\r", | |
316 | "% % sends %\n\r", | |
317 | NULL | |
318 | }; | |
319 | ||
320 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
321 | static void mux_print_help(CharDriverState *chr) | |
322 | { | |
323 | int i, j; | |
324 | char ebuf[15] = "Escape-Char"; | |
325 | char cbuf[50] = "\n\r"; | |
326 | ||
327 | if (term_escape_char > 0 && term_escape_char < 26) { | |
328 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
329 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
330 | } else { | |
331 | snprintf(cbuf, sizeof(cbuf), | |
332 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
333 | term_escape_char); | |
334 | } | |
335 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
336 | for (i = 0; mux_help[i] != NULL; i++) { | |
337 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
338 | if (mux_help[i][j] == '%') | |
339 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
340 | else | |
341 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
342 | } | |
343 | } | |
344 | } | |
345 | ||
2724b180 AL |
346 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
347 | { | |
348 | if (d->chr_event[mux_nr]) | |
349 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
350 | } | |
351 | ||
6f97dba0 AL |
352 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
353 | { | |
354 | if (d->term_got_escape) { | |
355 | d->term_got_escape = 0; | |
356 | if (ch == term_escape_char) | |
357 | goto send_char; | |
358 | switch(ch) { | |
359 | case '?': | |
360 | case 'h': | |
361 | mux_print_help(chr); | |
362 | break; | |
363 | case 'x': | |
364 | { | |
365 | const char *term = "QEMU: Terminated\n\r"; | |
366 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
367 | exit(0); | |
368 | break; | |
369 | } | |
370 | case 's': | |
6ab4b5ab | 371 | bdrv_commit_all(); |
6f97dba0 AL |
372 | break; |
373 | case 'b': | |
a425d23f | 374 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
375 | break; |
376 | case 'c': | |
377 | /* Switch to the next registered device */ | |
799f1f23 GH |
378 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
379 | d->focus++; | |
380 | if (d->focus >= d->mux_cnt) | |
381 | d->focus = 0; | |
382 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); | |
6f97dba0 | 383 | break; |
2d22959d JK |
384 | case 't': |
385 | d->timestamps = !d->timestamps; | |
386 | d->timestamps_start = -1; | |
4ab312f7 | 387 | d->linestart = 0; |
2d22959d | 388 | break; |
6f97dba0 AL |
389 | } |
390 | } else if (ch == term_escape_char) { | |
391 | d->term_got_escape = 1; | |
392 | } else { | |
393 | send_char: | |
394 | return 1; | |
395 | } | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static void mux_chr_accept_input(CharDriverState *chr) | |
400 | { | |
6f97dba0 | 401 | MuxDriver *d = chr->opaque; |
799f1f23 | 402 | int m = d->focus; |
6f97dba0 | 403 | |
a80bf99f | 404 | while (d->prod[m] != d->cons[m] && |
6f97dba0 AL |
405 | d->chr_can_read[m] && |
406 | d->chr_can_read[m](d->ext_opaque[m])) { | |
407 | d->chr_read[m](d->ext_opaque[m], | |
a80bf99f | 408 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
6f97dba0 AL |
409 | } |
410 | } | |
411 | ||
412 | static int mux_chr_can_read(void *opaque) | |
413 | { | |
414 | CharDriverState *chr = opaque; | |
415 | MuxDriver *d = chr->opaque; | |
799f1f23 | 416 | int m = d->focus; |
6f97dba0 | 417 | |
a80bf99f | 418 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
6f97dba0 | 419 | return 1; |
a80bf99f AL |
420 | if (d->chr_can_read[m]) |
421 | return d->chr_can_read[m](d->ext_opaque[m]); | |
6f97dba0 AL |
422 | return 0; |
423 | } | |
424 | ||
425 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
426 | { | |
427 | CharDriverState *chr = opaque; | |
428 | MuxDriver *d = chr->opaque; | |
799f1f23 | 429 | int m = d->focus; |
6f97dba0 AL |
430 | int i; |
431 | ||
432 | mux_chr_accept_input (opaque); | |
433 | ||
434 | for(i = 0; i < size; i++) | |
435 | if (mux_proc_byte(chr, d, buf[i])) { | |
a80bf99f | 436 | if (d->prod[m] == d->cons[m] && |
6f97dba0 AL |
437 | d->chr_can_read[m] && |
438 | d->chr_can_read[m](d->ext_opaque[m])) | |
439 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
440 | else | |
a80bf99f | 441 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
442 | } |
443 | } | |
444 | ||
445 | static void mux_chr_event(void *opaque, int event) | |
446 | { | |
447 | CharDriverState *chr = opaque; | |
448 | MuxDriver *d = chr->opaque; | |
449 | int i; | |
450 | ||
451 | /* Send the event to all registered listeners */ | |
452 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 453 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
454 | } |
455 | ||
456 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
457 | { | |
458 | MuxDriver *d = chr->opaque; | |
459 | ||
460 | if (d->mux_cnt >= MAX_MUX) { | |
461 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
462 | return; | |
463 | } | |
464 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
465 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
466 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
467 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
468 | /* Fix up the real driver with mux routines */ | |
469 | if (d->mux_cnt == 0) { | |
470 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
471 | mux_chr_event, chr); | |
472 | } | |
799f1f23 GH |
473 | if (d->focus != -1) { |
474 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
a7aec5da | 475 | } |
799f1f23 | 476 | d->focus = d->mux_cnt; |
6f97dba0 | 477 | d->mux_cnt++; |
799f1f23 | 478 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
6f97dba0 AL |
479 | } |
480 | ||
481 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
482 | { | |
483 | CharDriverState *chr; | |
484 | MuxDriver *d; | |
485 | ||
7267c094 AL |
486 | chr = g_malloc0(sizeof(CharDriverState)); |
487 | d = g_malloc0(sizeof(MuxDriver)); | |
6f97dba0 AL |
488 | |
489 | chr->opaque = d; | |
490 | d->drv = drv; | |
799f1f23 | 491 | d->focus = -1; |
6f97dba0 AL |
492 | chr->chr_write = mux_chr_write; |
493 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
494 | chr->chr_accept_input = mux_chr_accept_input; | |
7c32c4fe | 495 | /* Frontend guest-open / -close notification is not support with muxes */ |
574b711a | 496 | chr->chr_set_fe_open = NULL; |
73cdf3f2 | 497 | |
6f97dba0 AL |
498 | return chr; |
499 | } | |
500 | ||
501 | ||
502 | #ifdef _WIN32 | |
d247d25f | 503 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
504 | { |
505 | int ret, len; | |
506 | ||
507 | len = len1; | |
508 | while (len > 0) { | |
509 | ret = send(fd, buf, len, 0); | |
510 | if (ret < 0) { | |
6f97dba0 AL |
511 | errno = WSAGetLastError(); |
512 | if (errno != WSAEWOULDBLOCK) { | |
513 | return -1; | |
514 | } | |
515 | } else if (ret == 0) { | |
516 | break; | |
517 | } else { | |
518 | buf += ret; | |
519 | len -= ret; | |
520 | } | |
521 | } | |
522 | return len1 - len; | |
523 | } | |
524 | ||
525 | #else | |
526 | ||
5fc9cfed | 527 | int send_all(int fd, const void *_buf, int len1) |
6f97dba0 AL |
528 | { |
529 | int ret, len; | |
5fc9cfed | 530 | const uint8_t *buf = _buf; |
6f97dba0 AL |
531 | |
532 | len = len1; | |
533 | while (len > 0) { | |
534 | ret = write(fd, buf, len); | |
535 | if (ret < 0) { | |
536 | if (errno != EINTR && errno != EAGAIN) | |
537 | return -1; | |
538 | } else if (ret == 0) { | |
539 | break; | |
540 | } else { | |
541 | buf += ret; | |
542 | len -= ret; | |
543 | } | |
544 | } | |
545 | return len1 - len; | |
546 | } | |
4549a8b7 SB |
547 | |
548 | int recv_all(int fd, void *_buf, int len1, bool single_read) | |
549 | { | |
550 | int ret, len; | |
551 | uint8_t *buf = _buf; | |
552 | ||
553 | len = len1; | |
554 | while ((len > 0) && (ret = read(fd, buf, len)) != 0) { | |
555 | if (ret < 0) { | |
556 | if (errno != EINTR && errno != EAGAIN) { | |
557 | return -1; | |
558 | } | |
559 | continue; | |
560 | } else { | |
561 | if (single_read) { | |
562 | return ret; | |
563 | } | |
564 | buf += ret; | |
565 | len -= ret; | |
566 | } | |
567 | } | |
568 | return len1 - len; | |
569 | } | |
570 | ||
6f97dba0 AL |
571 | #endif /* !_WIN32 */ |
572 | ||
96c63847 AL |
573 | typedef struct IOWatchPoll |
574 | { | |
d185c094 PB |
575 | GSource parent; |
576 | ||
1e885b25 | 577 | GIOChannel *channel; |
96c63847 | 578 | GSource *src; |
96c63847 AL |
579 | |
580 | IOCanReadHandler *fd_can_read; | |
1e885b25 | 581 | GSourceFunc fd_read; |
96c63847 | 582 | void *opaque; |
96c63847 AL |
583 | } IOWatchPoll; |
584 | ||
96c63847 AL |
585 | static IOWatchPoll *io_watch_poll_from_source(GSource *source) |
586 | { | |
d185c094 | 587 | return container_of(source, IOWatchPoll, parent); |
96c63847 AL |
588 | } |
589 | ||
590 | static gboolean io_watch_poll_prepare(GSource *source, gint *timeout_) | |
591 | { | |
592 | IOWatchPoll *iwp = io_watch_poll_from_source(source); | |
d185c094 | 593 | bool now_active = iwp->fd_can_read(iwp->opaque) > 0; |
1e885b25 | 594 | bool was_active = iwp->src != NULL; |
d185c094 | 595 | if (was_active == now_active) { |
96c63847 AL |
596 | return FALSE; |
597 | } | |
598 | ||
d185c094 | 599 | if (now_active) { |
1e885b25 PB |
600 | iwp->src = g_io_create_watch(iwp->channel, G_IO_IN | G_IO_ERR | G_IO_HUP); |
601 | g_source_set_callback(iwp->src, iwp->fd_read, iwp->opaque, NULL); | |
d185c094 PB |
602 | g_source_attach(iwp->src, NULL); |
603 | } else { | |
1e885b25 PB |
604 | g_source_destroy(iwp->src); |
605 | g_source_unref(iwp->src); | |
606 | iwp->src = NULL; | |
d185c094 PB |
607 | } |
608 | return FALSE; | |
96c63847 AL |
609 | } |
610 | ||
611 | static gboolean io_watch_poll_check(GSource *source) | |
612 | { | |
d185c094 | 613 | return FALSE; |
96c63847 AL |
614 | } |
615 | ||
616 | static gboolean io_watch_poll_dispatch(GSource *source, GSourceFunc callback, | |
617 | gpointer user_data) | |
618 | { | |
d185c094 | 619 | abort(); |
96c63847 AL |
620 | } |
621 | ||
622 | static void io_watch_poll_finalize(GSource *source) | |
623 | { | |
2b316774 PB |
624 | /* Due to a glib bug, removing the last reference to a source |
625 | * inside a finalize callback causes recursive locking (and a | |
626 | * deadlock). This is not a problem inside other callbacks, | |
627 | * including dispatch callbacks, so we call io_remove_watch_poll | |
628 | * to remove this source. At this point, iwp->src must | |
629 | * be NULL, or we would leak it. | |
630 | * | |
631 | * This would be solved much more elegantly by child sources, | |
632 | * but we support older glib versions that do not have them. | |
633 | */ | |
96c63847 | 634 | IOWatchPoll *iwp = io_watch_poll_from_source(source); |
2b316774 | 635 | assert(iwp->src == NULL); |
96c63847 AL |
636 | } |
637 | ||
638 | static GSourceFuncs io_watch_poll_funcs = { | |
639 | .prepare = io_watch_poll_prepare, | |
640 | .check = io_watch_poll_check, | |
641 | .dispatch = io_watch_poll_dispatch, | |
642 | .finalize = io_watch_poll_finalize, | |
643 | }; | |
644 | ||
645 | /* Can only be used for read */ | |
646 | static guint io_add_watch_poll(GIOChannel *channel, | |
647 | IOCanReadHandler *fd_can_read, | |
648 | GIOFunc fd_read, | |
649 | gpointer user_data) | |
650 | { | |
651 | IOWatchPoll *iwp; | |
0ca5aa4f | 652 | int tag; |
96c63847 | 653 | |
d185c094 | 654 | iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, sizeof(IOWatchPoll)); |
96c63847 AL |
655 | iwp->fd_can_read = fd_can_read; |
656 | iwp->opaque = user_data; | |
1e885b25 PB |
657 | iwp->channel = channel; |
658 | iwp->fd_read = (GSourceFunc) fd_read; | |
659 | iwp->src = NULL; | |
96c63847 | 660 | |
0ca5aa4f PB |
661 | tag = g_source_attach(&iwp->parent, NULL); |
662 | g_source_unref(&iwp->parent); | |
663 | return tag; | |
96c63847 AL |
664 | } |
665 | ||
2b316774 PB |
666 | static void io_remove_watch_poll(guint tag) |
667 | { | |
668 | GSource *source; | |
669 | IOWatchPoll *iwp; | |
670 | ||
671 | g_return_if_fail (tag > 0); | |
672 | ||
673 | source = g_main_context_find_source_by_id(NULL, tag); | |
674 | g_return_if_fail (source != NULL); | |
675 | ||
676 | iwp = io_watch_poll_from_source(source); | |
677 | if (iwp->src) { | |
678 | g_source_destroy(iwp->src); | |
679 | g_source_unref(iwp->src); | |
680 | iwp->src = NULL; | |
681 | } | |
682 | g_source_destroy(&iwp->parent); | |
683 | } | |
684 | ||
44ab9ed4 | 685 | #ifndef _WIN32 |
96c63847 AL |
686 | static GIOChannel *io_channel_from_fd(int fd) |
687 | { | |
688 | GIOChannel *chan; | |
689 | ||
690 | if (fd == -1) { | |
691 | return NULL; | |
692 | } | |
693 | ||
694 | chan = g_io_channel_unix_new(fd); | |
695 | ||
696 | g_io_channel_set_encoding(chan, NULL, NULL); | |
697 | g_io_channel_set_buffered(chan, FALSE); | |
698 | ||
699 | return chan; | |
700 | } | |
44ab9ed4 | 701 | #endif |
96c63847 | 702 | |
76a9644b AL |
703 | static GIOChannel *io_channel_from_socket(int fd) |
704 | { | |
705 | GIOChannel *chan; | |
706 | ||
707 | if (fd == -1) { | |
708 | return NULL; | |
709 | } | |
710 | ||
711 | #ifdef _WIN32 | |
712 | chan = g_io_channel_win32_new_socket(fd); | |
713 | #else | |
714 | chan = g_io_channel_unix_new(fd); | |
715 | #endif | |
716 | ||
717 | g_io_channel_set_encoding(chan, NULL, NULL); | |
718 | g_io_channel_set_buffered(chan, FALSE); | |
719 | ||
720 | return chan; | |
721 | } | |
722 | ||
684a096e | 723 | static int io_channel_send(GIOChannel *fd, const void *buf, size_t len) |
96c63847 AL |
724 | { |
725 | GIOStatus status; | |
684a096e | 726 | size_t offset; |
96c63847 | 727 | |
684a096e AL |
728 | offset = 0; |
729 | while (offset < len) { | |
730 | gsize bytes_written; | |
731 | ||
732 | status = g_io_channel_write_chars(fd, buf + offset, len - offset, | |
96c63847 AL |
733 | &bytes_written, NULL); |
734 | if (status != G_IO_STATUS_NORMAL) { | |
23673ca7 | 735 | if (status == G_IO_STATUS_AGAIN) { |
684a096e AL |
736 | /* If we've written any data, return a partial write. */ |
737 | if (offset) { | |
738 | break; | |
739 | } | |
23673ca7 | 740 | errno = EAGAIN; |
23673ca7 AL |
741 | } else { |
742 | errno = EINVAL; | |
96c63847 | 743 | } |
684a096e AL |
744 | |
745 | return -1; | |
96c63847 AL |
746 | } else if (status == G_IO_STATUS_EOF) { |
747 | break; | |
96c63847 | 748 | } |
684a096e AL |
749 | |
750 | offset += bytes_written; | |
96c63847 | 751 | } |
684a096e AL |
752 | |
753 | return offset; | |
96c63847 | 754 | } |
96c63847 | 755 | |
44ab9ed4 BS |
756 | #ifndef _WIN32 |
757 | ||
a29753f8 AL |
758 | typedef struct FDCharDriver { |
759 | CharDriverState *chr; | |
760 | GIOChannel *fd_in, *fd_out; | |
761 | guint fd_in_tag; | |
6f97dba0 | 762 | int max_size; |
a29753f8 | 763 | QTAILQ_ENTRY(FDCharDriver) node; |
6f97dba0 AL |
764 | } FDCharDriver; |
765 | ||
6f97dba0 AL |
766 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
767 | { | |
768 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 769 | |
684a096e | 770 | return io_channel_send(s->fd_out, buf, len); |
6f97dba0 AL |
771 | } |
772 | ||
a29753f8 | 773 | static gboolean fd_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
774 | { |
775 | CharDriverState *chr = opaque; | |
776 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 777 | int len; |
9bd7854e | 778 | uint8_t buf[READ_BUF_LEN]; |
a29753f8 AL |
779 | GIOStatus status; |
780 | gsize bytes_read; | |
6f97dba0 AL |
781 | |
782 | len = sizeof(buf); | |
a29753f8 | 783 | if (len > s->max_size) { |
6f97dba0 | 784 | len = s->max_size; |
a29753f8 AL |
785 | } |
786 | if (len == 0) { | |
cdbf6e16 | 787 | return TRUE; |
a29753f8 AL |
788 | } |
789 | ||
790 | status = g_io_channel_read_chars(chan, (gchar *)buf, | |
791 | len, &bytes_read, NULL); | |
792 | if (status == G_IO_STATUS_EOF) { | |
cdbf6e16 | 793 | if (s->fd_in_tag) { |
2b316774 | 794 | io_remove_watch_poll(s->fd_in_tag); |
cdbf6e16 PB |
795 | s->fd_in_tag = 0; |
796 | } | |
a425d23f | 797 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
a29753f8 | 798 | return FALSE; |
6f97dba0 | 799 | } |
a29753f8 AL |
800 | if (status == G_IO_STATUS_NORMAL) { |
801 | qemu_chr_be_write(chr, buf, bytes_read); | |
6f97dba0 | 802 | } |
a29753f8 AL |
803 | |
804 | return TRUE; | |
805 | } | |
806 | ||
807 | static int fd_chr_read_poll(void *opaque) | |
808 | { | |
809 | CharDriverState *chr = opaque; | |
810 | FDCharDriver *s = chr->opaque; | |
811 | ||
812 | s->max_size = qemu_chr_be_can_write(chr); | |
813 | return s->max_size; | |
6f97dba0 AL |
814 | } |
815 | ||
23673ca7 AL |
816 | static GSource *fd_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
817 | { | |
818 | FDCharDriver *s = chr->opaque; | |
819 | return g_io_create_watch(s->fd_out, cond); | |
820 | } | |
821 | ||
6f97dba0 AL |
822 | static void fd_chr_update_read_handler(CharDriverState *chr) |
823 | { | |
824 | FDCharDriver *s = chr->opaque; | |
825 | ||
a29753f8 | 826 | if (s->fd_in_tag) { |
2b316774 | 827 | io_remove_watch_poll(s->fd_in_tag); |
910b6368 | 828 | s->fd_in_tag = 0; |
a29753f8 AL |
829 | } |
830 | ||
831 | if (s->fd_in) { | |
832 | s->fd_in_tag = io_add_watch_poll(s->fd_in, fd_chr_read_poll, fd_chr_read, chr); | |
6f97dba0 AL |
833 | } |
834 | } | |
835 | ||
836 | static void fd_chr_close(struct CharDriverState *chr) | |
837 | { | |
838 | FDCharDriver *s = chr->opaque; | |
839 | ||
a29753f8 | 840 | if (s->fd_in_tag) { |
2b316774 | 841 | io_remove_watch_poll(s->fd_in_tag); |
a29753f8 AL |
842 | s->fd_in_tag = 0; |
843 | } | |
844 | ||
845 | if (s->fd_in) { | |
846 | g_io_channel_unref(s->fd_in); | |
847 | } | |
848 | if (s->fd_out) { | |
849 | g_io_channel_unref(s->fd_out); | |
6f97dba0 AL |
850 | } |
851 | ||
7267c094 | 852 | g_free(s); |
a425d23f | 853 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
854 | } |
855 | ||
856 | /* open a character device to a unix fd */ | |
857 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
858 | { | |
859 | CharDriverState *chr; | |
860 | FDCharDriver *s; | |
861 | ||
7267c094 AL |
862 | chr = g_malloc0(sizeof(CharDriverState)); |
863 | s = g_malloc0(sizeof(FDCharDriver)); | |
a29753f8 AL |
864 | s->fd_in = io_channel_from_fd(fd_in); |
865 | s->fd_out = io_channel_from_fd(fd_out); | |
23673ca7 | 866 | fcntl(fd_out, F_SETFL, O_NONBLOCK); |
a29753f8 | 867 | s->chr = chr; |
6f97dba0 | 868 | chr->opaque = s; |
23673ca7 | 869 | chr->chr_add_watch = fd_chr_add_watch; |
6f97dba0 AL |
870 | chr->chr_write = fd_chr_write; |
871 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
872 | chr->chr_close = fd_chr_close; | |
873 | ||
6f97dba0 AL |
874 | return chr; |
875 | } | |
876 | ||
548cbb36 | 877 | static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts) |
6f97dba0 AL |
878 | { |
879 | int fd_in, fd_out; | |
880 | char filename_in[256], filename_out[256]; | |
548cbb36 | 881 | const char *filename = opts->device; |
7d31544f GH |
882 | |
883 | if (filename == NULL) { | |
884 | fprintf(stderr, "chardev: pipe: no filename given\n"); | |
1f51470d | 885 | return NULL; |
7d31544f | 886 | } |
6f97dba0 AL |
887 | |
888 | snprintf(filename_in, 256, "%s.in", filename); | |
889 | snprintf(filename_out, 256, "%s.out", filename); | |
40ff6d7e KW |
890 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
891 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
6f97dba0 AL |
892 | if (fd_in < 0 || fd_out < 0) { |
893 | if (fd_in >= 0) | |
894 | close(fd_in); | |
895 | if (fd_out >= 0) | |
896 | close(fd_out); | |
b181e047 | 897 | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
a89dd6c3 | 898 | if (fd_in < 0) { |
1f51470d | 899 | return NULL; |
a89dd6c3 | 900 | } |
6f97dba0 | 901 | } |
1f51470d | 902 | return qemu_chr_open_fd(fd_in, fd_out); |
6f97dba0 AL |
903 | } |
904 | ||
6f97dba0 AL |
905 | /* init terminal so that we can grab keys */ |
906 | static struct termios oldtty; | |
907 | static int old_fd0_flags; | |
bb002513 | 908 | static bool stdio_allow_signal; |
6f97dba0 AL |
909 | |
910 | static void term_exit(void) | |
911 | { | |
912 | tcsetattr (0, TCSANOW, &oldtty); | |
913 | fcntl(0, F_SETFL, old_fd0_flags); | |
914 | } | |
915 | ||
bb002513 | 916 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
6f97dba0 AL |
917 | { |
918 | struct termios tty; | |
919 | ||
0369364b | 920 | tty = oldtty; |
bb002513 PB |
921 | if (!echo) { |
922 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 923 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
924 | tty.c_oflag |= OPOST; |
925 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
926 | tty.c_cflag &= ~(CSIZE|PARENB); | |
927 | tty.c_cflag |= CS8; | |
928 | tty.c_cc[VMIN] = 1; | |
929 | tty.c_cc[VTIME] = 0; | |
930 | } | |
6f97dba0 | 931 | /* if graphical mode, we allow Ctrl-C handling */ |
bb002513 | 932 | if (!stdio_allow_signal) |
6f97dba0 | 933 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
934 | |
935 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
936 | } |
937 | ||
938 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
939 | { | |
940 | term_exit(); | |
6f97dba0 AL |
941 | fd_chr_close(chr); |
942 | } | |
943 | ||
7c358031 | 944 | static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts) |
6f97dba0 AL |
945 | { |
946 | CharDriverState *chr; | |
947 | ||
ab51b1d5 MT |
948 | if (is_daemonized()) { |
949 | error_report("cannot use stdio with -daemonize"); | |
950 | return NULL; | |
951 | } | |
ed7a1540 AL |
952 | old_fd0_flags = fcntl(0, F_GETFL); |
953 | tcgetattr (0, &oldtty); | |
954 | fcntl(0, F_SETFL, O_NONBLOCK); | |
955 | atexit(term_exit); | |
0369364b | 956 | |
6f97dba0 AL |
957 | chr = qemu_chr_open_fd(0, 1); |
958 | chr->chr_close = qemu_chr_close_stdio; | |
bb002513 | 959 | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
7c358031 GH |
960 | stdio_allow_signal = display_type != DT_NOGRAPHIC; |
961 | if (opts->has_signal) { | |
962 | stdio_allow_signal = opts->signal; | |
963 | } | |
15f31519 | 964 | qemu_chr_fe_set_echo(chr, false); |
6f97dba0 | 965 | |
1f51470d | 966 | return chr; |
6f97dba0 AL |
967 | } |
968 | ||
6f97dba0 | 969 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
a167ba50 AJ |
970 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
971 | || defined(__GLIBC__) | |
6f97dba0 | 972 | |
e551498e GH |
973 | #define HAVE_CHARDEV_TTY 1 |
974 | ||
6f97dba0 | 975 | typedef struct { |
093d3a20 AL |
976 | GIOChannel *fd; |
977 | guint fd_tag; | |
6f97dba0 | 978 | int connected; |
6f97dba0 | 979 | int read_bytes; |
8aa33caf | 980 | guint timer_tag; |
6f97dba0 AL |
981 | } PtyCharDriver; |
982 | ||
983 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
984 | static void pty_chr_state(CharDriverState *chr, int connected); | |
985 | ||
8aa33caf AL |
986 | static gboolean pty_chr_timer(gpointer opaque) |
987 | { | |
988 | struct CharDriverState *chr = opaque; | |
989 | PtyCharDriver *s = chr->opaque; | |
990 | ||
991 | if (s->connected) { | |
992 | goto out; | |
993 | } | |
8aa33caf AL |
994 | |
995 | /* Next poll ... */ | |
996 | pty_chr_update_read_handler(chr); | |
997 | ||
998 | out: | |
79f20075 | 999 | s->timer_tag = 0; |
8aa33caf AL |
1000 | return FALSE; |
1001 | } | |
1002 | ||
1003 | static void pty_chr_rearm_timer(CharDriverState *chr, int ms) | |
1004 | { | |
1005 | PtyCharDriver *s = chr->opaque; | |
1006 | ||
1007 | if (s->timer_tag) { | |
1008 | g_source_remove(s->timer_tag); | |
1009 | s->timer_tag = 0; | |
1010 | } | |
1011 | ||
1012 | if (ms == 1000) { | |
1013 | s->timer_tag = g_timeout_add_seconds(1, pty_chr_timer, chr); | |
1014 | } else { | |
1015 | s->timer_tag = g_timeout_add(ms, pty_chr_timer, chr); | |
1016 | } | |
1017 | } | |
1018 | ||
6f97dba0 AL |
1019 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1020 | { | |
1021 | PtyCharDriver *s = chr->opaque; | |
1022 | ||
1023 | if (!s->connected) { | |
1024 | /* guest sends data, check for (re-)connect */ | |
1025 | pty_chr_update_read_handler(chr); | |
1026 | return 0; | |
1027 | } | |
684a096e | 1028 | return io_channel_send(s->fd, buf, len); |
6f97dba0 AL |
1029 | } |
1030 | ||
e6a87ed8 AL |
1031 | static GSource *pty_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
1032 | { | |
1033 | PtyCharDriver *s = chr->opaque; | |
1034 | return g_io_create_watch(s->fd, cond); | |
1035 | } | |
1036 | ||
6f97dba0 AL |
1037 | static int pty_chr_read_poll(void *opaque) |
1038 | { | |
1039 | CharDriverState *chr = opaque; | |
1040 | PtyCharDriver *s = chr->opaque; | |
1041 | ||
909cda12 | 1042 | s->read_bytes = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1043 | return s->read_bytes; |
1044 | } | |
1045 | ||
093d3a20 | 1046 | static gboolean pty_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
1047 | { |
1048 | CharDriverState *chr = opaque; | |
1049 | PtyCharDriver *s = chr->opaque; | |
093d3a20 | 1050 | gsize size, len; |
9bd7854e | 1051 | uint8_t buf[READ_BUF_LEN]; |
093d3a20 | 1052 | GIOStatus status; |
6f97dba0 AL |
1053 | |
1054 | len = sizeof(buf); | |
1055 | if (len > s->read_bytes) | |
1056 | len = s->read_bytes; | |
cdbf6e16 PB |
1057 | if (len == 0) { |
1058 | return TRUE; | |
1059 | } | |
093d3a20 AL |
1060 | status = g_io_channel_read_chars(s->fd, (gchar *)buf, len, &size, NULL); |
1061 | if (status != G_IO_STATUS_NORMAL) { | |
6f97dba0 | 1062 | pty_chr_state(chr, 0); |
093d3a20 AL |
1063 | return FALSE; |
1064 | } else { | |
6f97dba0 | 1065 | pty_chr_state(chr, 1); |
fa5efccb | 1066 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 1067 | } |
093d3a20 | 1068 | return TRUE; |
6f97dba0 AL |
1069 | } |
1070 | ||
1071 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
1072 | { | |
1073 | PtyCharDriver *s = chr->opaque; | |
85a67692 | 1074 | GPollFD pfd; |
6f97dba0 | 1075 | |
85a67692 PB |
1076 | pfd.fd = g_io_channel_unix_get_fd(s->fd); |
1077 | pfd.events = G_IO_OUT; | |
1078 | pfd.revents = 0; | |
1079 | g_poll(&pfd, 1, 0); | |
1080 | if (pfd.revents & G_IO_HUP) { | |
1081 | pty_chr_state(chr, 0); | |
1082 | } else { | |
1083 | pty_chr_state(chr, 1); | |
093d3a20 | 1084 | } |
6f97dba0 AL |
1085 | } |
1086 | ||
1087 | static void pty_chr_state(CharDriverState *chr, int connected) | |
1088 | { | |
1089 | PtyCharDriver *s = chr->opaque; | |
1090 | ||
1091 | if (!connected) { | |
910b6368 | 1092 | if (s->fd_tag) { |
2b316774 | 1093 | io_remove_watch_poll(s->fd_tag); |
910b6368 PB |
1094 | s->fd_tag = 0; |
1095 | } | |
6f97dba0 | 1096 | s->connected = 0; |
6f97dba0 AL |
1097 | /* (re-)connect poll interval for idle guests: once per second. |
1098 | * We check more frequently in case the guests sends data to | |
1099 | * the virtual device linked to our pty. */ | |
8aa33caf | 1100 | pty_chr_rearm_timer(chr, 1000); |
6f97dba0 | 1101 | } else { |
85a67692 PB |
1102 | if (s->timer_tag) { |
1103 | g_source_remove(s->timer_tag); | |
1104 | s->timer_tag = 0; | |
1105 | } | |
1106 | if (!s->connected) { | |
fee204fd | 1107 | qemu_chr_be_generic_open(chr); |
85a67692 PB |
1108 | s->connected = 1; |
1109 | s->fd_tag = io_add_watch_poll(s->fd, pty_chr_read_poll, pty_chr_read, chr); | |
1110 | } | |
6f97dba0 AL |
1111 | } |
1112 | } | |
1113 | ||
6f97dba0 AL |
1114 | |
1115 | static void pty_chr_close(struct CharDriverState *chr) | |
1116 | { | |
1117 | PtyCharDriver *s = chr->opaque; | |
093d3a20 | 1118 | int fd; |
6f97dba0 | 1119 | |
093d3a20 | 1120 | if (s->fd_tag) { |
2b316774 | 1121 | io_remove_watch_poll(s->fd_tag); |
910b6368 | 1122 | s->fd_tag = 0; |
093d3a20 AL |
1123 | } |
1124 | fd = g_io_channel_unix_get_fd(s->fd); | |
1125 | g_io_channel_unref(s->fd); | |
1126 | close(fd); | |
8aa33caf AL |
1127 | if (s->timer_tag) { |
1128 | g_source_remove(s->timer_tag); | |
910b6368 | 1129 | s->timer_tag = 0; |
8aa33caf | 1130 | } |
7267c094 | 1131 | g_free(s); |
a425d23f | 1132 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1133 | } |
1134 | ||
e68c5958 GH |
1135 | static CharDriverState *qemu_chr_open_pty(const char *id, |
1136 | ChardevReturn *ret) | |
6f97dba0 AL |
1137 | { |
1138 | CharDriverState *chr; | |
1139 | PtyCharDriver *s; | |
e68c5958 | 1140 | int master_fd, slave_fd; |
6f97dba0 | 1141 | char pty_name[PATH_MAX]; |
6f97dba0 | 1142 | |
0817fa97 MT |
1143 | master_fd = qemu_openpty_raw(&slave_fd, pty_name); |
1144 | if (master_fd < 0) { | |
1f51470d | 1145 | return NULL; |
6f97dba0 AL |
1146 | } |
1147 | ||
6f97dba0 AL |
1148 | close(slave_fd); |
1149 | ||
a4e26048 MA |
1150 | chr = g_malloc0(sizeof(CharDriverState)); |
1151 | ||
0817fa97 MT |
1152 | chr->filename = g_strdup_printf("pty:%s", pty_name); |
1153 | ret->pty = g_strdup(pty_name); | |
e68c5958 | 1154 | ret->has_pty = true; |
58650218 | 1155 | |
e68c5958 | 1156 | fprintf(stderr, "char device redirected to %s (label %s)\n", |
0817fa97 | 1157 | pty_name, id); |
6f97dba0 | 1158 | |
a4e26048 | 1159 | s = g_malloc0(sizeof(PtyCharDriver)); |
6f97dba0 AL |
1160 | chr->opaque = s; |
1161 | chr->chr_write = pty_chr_write; | |
1162 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
1163 | chr->chr_close = pty_chr_close; | |
e6a87ed8 | 1164 | chr->chr_add_watch = pty_chr_add_watch; |
252a7c6e | 1165 | chr->explicit_be_open = true; |
6f97dba0 | 1166 | |
093d3a20 | 1167 | s->fd = io_channel_from_fd(master_fd); |
8aa33caf | 1168 | s->timer_tag = 0; |
6f97dba0 | 1169 | |
1f51470d | 1170 | return chr; |
6f97dba0 AL |
1171 | } |
1172 | ||
1173 | static void tty_serial_init(int fd, int speed, | |
1174 | int parity, int data_bits, int stop_bits) | |
1175 | { | |
1176 | struct termios tty; | |
1177 | speed_t spd; | |
1178 | ||
1179 | #if 0 | |
1180 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1181 | speed, parity, data_bits, stop_bits); | |
1182 | #endif | |
1183 | tcgetattr (fd, &tty); | |
1184 | ||
45eea13b SW |
1185 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1186 | speed = speed * 10 / 11; | |
1187 | do { | |
1188 | check_speed(50); | |
1189 | check_speed(75); | |
1190 | check_speed(110); | |
1191 | check_speed(134); | |
1192 | check_speed(150); | |
1193 | check_speed(200); | |
1194 | check_speed(300); | |
1195 | check_speed(600); | |
1196 | check_speed(1200); | |
1197 | check_speed(1800); | |
1198 | check_speed(2400); | |
1199 | check_speed(4800); | |
1200 | check_speed(9600); | |
1201 | check_speed(19200); | |
1202 | check_speed(38400); | |
1203 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1204 | check_speed(57600); | |
1205 | check_speed(115200); | |
1206 | #ifdef B230400 | |
1207 | check_speed(230400); | |
1208 | #endif | |
1209 | #ifdef B460800 | |
1210 | check_speed(460800); | |
1211 | #endif | |
1212 | #ifdef B500000 | |
1213 | check_speed(500000); | |
1214 | #endif | |
1215 | #ifdef B576000 | |
1216 | check_speed(576000); | |
1217 | #endif | |
1218 | #ifdef B921600 | |
1219 | check_speed(921600); | |
1220 | #endif | |
1221 | #ifdef B1000000 | |
1222 | check_speed(1000000); | |
1223 | #endif | |
1224 | #ifdef B1152000 | |
1225 | check_speed(1152000); | |
1226 | #endif | |
1227 | #ifdef B1500000 | |
1228 | check_speed(1500000); | |
1229 | #endif | |
1230 | #ifdef B2000000 | |
1231 | check_speed(2000000); | |
1232 | #endif | |
1233 | #ifdef B2500000 | |
1234 | check_speed(2500000); | |
1235 | #endif | |
1236 | #ifdef B3000000 | |
1237 | check_speed(3000000); | |
1238 | #endif | |
1239 | #ifdef B3500000 | |
1240 | check_speed(3500000); | |
1241 | #endif | |
1242 | #ifdef B4000000 | |
1243 | check_speed(4000000); | |
1244 | #endif | |
6f97dba0 | 1245 | spd = B115200; |
45eea13b | 1246 | } while (0); |
6f97dba0 AL |
1247 | |
1248 | cfsetispeed(&tty, spd); | |
1249 | cfsetospeed(&tty, spd); | |
1250 | ||
1251 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1252 | |INLCR|IGNCR|ICRNL|IXON); | |
1253 | tty.c_oflag |= OPOST; | |
1254 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1255 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1256 | switch(data_bits) { | |
1257 | default: | |
1258 | case 8: | |
1259 | tty.c_cflag |= CS8; | |
1260 | break; | |
1261 | case 7: | |
1262 | tty.c_cflag |= CS7; | |
1263 | break; | |
1264 | case 6: | |
1265 | tty.c_cflag |= CS6; | |
1266 | break; | |
1267 | case 5: | |
1268 | tty.c_cflag |= CS5; | |
1269 | break; | |
1270 | } | |
1271 | switch(parity) { | |
1272 | default: | |
1273 | case 'N': | |
1274 | break; | |
1275 | case 'E': | |
1276 | tty.c_cflag |= PARENB; | |
1277 | break; | |
1278 | case 'O': | |
1279 | tty.c_cflag |= PARENB | PARODD; | |
1280 | break; | |
1281 | } | |
1282 | if (stop_bits == 2) | |
1283 | tty.c_cflag |= CSTOPB; | |
1284 | ||
1285 | tcsetattr (fd, TCSANOW, &tty); | |
1286 | } | |
1287 | ||
1288 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1289 | { | |
1290 | FDCharDriver *s = chr->opaque; | |
1291 | ||
1292 | switch(cmd) { | |
1293 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1294 | { | |
1295 | QEMUSerialSetParams *ssp = arg; | |
a29753f8 AL |
1296 | tty_serial_init(g_io_channel_unix_get_fd(s->fd_in), |
1297 | ssp->speed, ssp->parity, | |
6f97dba0 AL |
1298 | ssp->data_bits, ssp->stop_bits); |
1299 | } | |
1300 | break; | |
1301 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1302 | { | |
1303 | int enable = *(int *)arg; | |
a29753f8 AL |
1304 | if (enable) { |
1305 | tcsendbreak(g_io_channel_unix_get_fd(s->fd_in), 1); | |
1306 | } | |
6f97dba0 AL |
1307 | } |
1308 | break; | |
1309 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1310 | { | |
1311 | int sarg = 0; | |
1312 | int *targ = (int *)arg; | |
a29753f8 | 1313 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &sarg); |
6f97dba0 | 1314 | *targ = 0; |
b4abdfa4 | 1315 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1316 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1317 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1318 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1319 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1320 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1321 | if (sarg & TIOCM_RI) |
6f97dba0 | 1322 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1323 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1324 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1325 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1326 | *targ |= CHR_TIOCM_RTS; |
1327 | } | |
1328 | break; | |
1329 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1330 | { | |
1331 | int sarg = *(int *)arg; | |
1332 | int targ = 0; | |
a29753f8 | 1333 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &targ); |
b4abdfa4 AJ |
1334 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1335 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1336 | if (sarg & CHR_TIOCM_CTS) | |
1337 | targ |= TIOCM_CTS; | |
1338 | if (sarg & CHR_TIOCM_CAR) | |
1339 | targ |= TIOCM_CAR; | |
1340 | if (sarg & CHR_TIOCM_DSR) | |
1341 | targ |= TIOCM_DSR; | |
1342 | if (sarg & CHR_TIOCM_RI) | |
1343 | targ |= TIOCM_RI; | |
1344 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1345 | targ |= TIOCM_DTR; |
b4abdfa4 | 1346 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 | 1347 | targ |= TIOCM_RTS; |
a29753f8 | 1348 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMSET, &targ); |
6f97dba0 AL |
1349 | } |
1350 | break; | |
1351 | default: | |
1352 | return -ENOTSUP; | |
1353 | } | |
1354 | return 0; | |
1355 | } | |
1356 | ||
4266a134 DA |
1357 | static void qemu_chr_close_tty(CharDriverState *chr) |
1358 | { | |
1359 | FDCharDriver *s = chr->opaque; | |
1360 | int fd = -1; | |
1361 | ||
1362 | if (s) { | |
a29753f8 | 1363 | fd = g_io_channel_unix_get_fd(s->fd_in); |
4266a134 DA |
1364 | } |
1365 | ||
1366 | fd_chr_close(chr); | |
1367 | ||
1368 | if (fd >= 0) { | |
1369 | close(fd); | |
1370 | } | |
1371 | } | |
1372 | ||
d59044ef GH |
1373 | static CharDriverState *qemu_chr_open_tty_fd(int fd) |
1374 | { | |
1375 | CharDriverState *chr; | |
1376 | ||
1377 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1378 | chr = qemu_chr_open_fd(fd, fd); | |
1379 | chr->chr_ioctl = tty_serial_ioctl; | |
1380 | chr->chr_close = qemu_chr_close_tty; | |
1381 | return chr; | |
1382 | } | |
6f97dba0 AL |
1383 | #endif /* __linux__ || __sun__ */ |
1384 | ||
1385 | #if defined(__linux__) | |
e551498e GH |
1386 | |
1387 | #define HAVE_CHARDEV_PARPORT 1 | |
1388 | ||
6f97dba0 AL |
1389 | typedef struct { |
1390 | int fd; | |
1391 | int mode; | |
1392 | } ParallelCharDriver; | |
1393 | ||
1394 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1395 | { | |
1396 | if (s->mode != mode) { | |
1397 | int m = mode; | |
1398 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1399 | return 0; | |
1400 | s->mode = mode; | |
1401 | } | |
1402 | return 1; | |
1403 | } | |
1404 | ||
1405 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1406 | { | |
1407 | ParallelCharDriver *drv = chr->opaque; | |
1408 | int fd = drv->fd; | |
1409 | uint8_t b; | |
1410 | ||
1411 | switch(cmd) { | |
1412 | case CHR_IOCTL_PP_READ_DATA: | |
1413 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1414 | return -ENOTSUP; | |
1415 | *(uint8_t *)arg = b; | |
1416 | break; | |
1417 | case CHR_IOCTL_PP_WRITE_DATA: | |
1418 | b = *(uint8_t *)arg; | |
1419 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1420 | return -ENOTSUP; | |
1421 | break; | |
1422 | case CHR_IOCTL_PP_READ_CONTROL: | |
1423 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1424 | return -ENOTSUP; | |
1425 | /* Linux gives only the lowest bits, and no way to know data | |
1426 | direction! For better compatibility set the fixed upper | |
1427 | bits. */ | |
1428 | *(uint8_t *)arg = b | 0xc0; | |
1429 | break; | |
1430 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1431 | b = *(uint8_t *)arg; | |
1432 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1433 | return -ENOTSUP; | |
1434 | break; | |
1435 | case CHR_IOCTL_PP_READ_STATUS: | |
1436 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1437 | return -ENOTSUP; | |
1438 | *(uint8_t *)arg = b; | |
1439 | break; | |
1440 | case CHR_IOCTL_PP_DATA_DIR: | |
1441 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1442 | return -ENOTSUP; | |
1443 | break; | |
1444 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1445 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1446 | struct ParallelIOArg *parg = arg; | |
1447 | int n = read(fd, parg->buffer, parg->count); | |
1448 | if (n != parg->count) { | |
1449 | return -EIO; | |
1450 | } | |
1451 | } | |
1452 | break; | |
1453 | case CHR_IOCTL_PP_EPP_READ: | |
1454 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1455 | struct ParallelIOArg *parg = arg; | |
1456 | int n = read(fd, parg->buffer, parg->count); | |
1457 | if (n != parg->count) { | |
1458 | return -EIO; | |
1459 | } | |
1460 | } | |
1461 | break; | |
1462 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1463 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1464 | struct ParallelIOArg *parg = arg; | |
1465 | int n = write(fd, parg->buffer, parg->count); | |
1466 | if (n != parg->count) { | |
1467 | return -EIO; | |
1468 | } | |
1469 | } | |
1470 | break; | |
1471 | case CHR_IOCTL_PP_EPP_WRITE: | |
1472 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1473 | struct ParallelIOArg *parg = arg; | |
1474 | int n = write(fd, parg->buffer, parg->count); | |
1475 | if (n != parg->count) { | |
1476 | return -EIO; | |
1477 | } | |
1478 | } | |
1479 | break; | |
1480 | default: | |
1481 | return -ENOTSUP; | |
1482 | } | |
1483 | return 0; | |
1484 | } | |
1485 | ||
1486 | static void pp_close(CharDriverState *chr) | |
1487 | { | |
1488 | ParallelCharDriver *drv = chr->opaque; | |
1489 | int fd = drv->fd; | |
1490 | ||
1491 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1492 | ioctl(fd, PPRELEASE); | |
1493 | close(fd); | |
7267c094 | 1494 | g_free(drv); |
a425d23f | 1495 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1496 | } |
1497 | ||
88a946d3 | 1498 | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
6f97dba0 AL |
1499 | { |
1500 | CharDriverState *chr; | |
1501 | ParallelCharDriver *drv; | |
6f97dba0 AL |
1502 | |
1503 | if (ioctl(fd, PPCLAIM) < 0) { | |
1504 | close(fd); | |
1f51470d | 1505 | return NULL; |
6f97dba0 AL |
1506 | } |
1507 | ||
7267c094 | 1508 | drv = g_malloc0(sizeof(ParallelCharDriver)); |
6f97dba0 AL |
1509 | drv->fd = fd; |
1510 | drv->mode = IEEE1284_MODE_COMPAT; | |
1511 | ||
7267c094 | 1512 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 AL |
1513 | chr->chr_write = null_chr_write; |
1514 | chr->chr_ioctl = pp_ioctl; | |
1515 | chr->chr_close = pp_close; | |
1516 | chr->opaque = drv; | |
1517 | ||
1f51470d | 1518 | return chr; |
6f97dba0 AL |
1519 | } |
1520 | #endif /* __linux__ */ | |
1521 | ||
a167ba50 | 1522 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
e551498e GH |
1523 | |
1524 | #define HAVE_CHARDEV_PARPORT 1 | |
1525 | ||
6972f935 BS |
1526 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1527 | { | |
e0efb993 | 1528 | int fd = (int)(intptr_t)chr->opaque; |
6972f935 BS |
1529 | uint8_t b; |
1530 | ||
1531 | switch(cmd) { | |
1532 | case CHR_IOCTL_PP_READ_DATA: | |
1533 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1534 | return -ENOTSUP; | |
1535 | *(uint8_t *)arg = b; | |
1536 | break; | |
1537 | case CHR_IOCTL_PP_WRITE_DATA: | |
1538 | b = *(uint8_t *)arg; | |
1539 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1540 | return -ENOTSUP; | |
1541 | break; | |
1542 | case CHR_IOCTL_PP_READ_CONTROL: | |
1543 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1544 | return -ENOTSUP; | |
1545 | *(uint8_t *)arg = b; | |
1546 | break; | |
1547 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1548 | b = *(uint8_t *)arg; | |
1549 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1550 | return -ENOTSUP; | |
1551 | break; | |
1552 | case CHR_IOCTL_PP_READ_STATUS: | |
1553 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1554 | return -ENOTSUP; | |
1555 | *(uint8_t *)arg = b; | |
1556 | break; | |
1557 | default: | |
1558 | return -ENOTSUP; | |
1559 | } | |
1560 | return 0; | |
1561 | } | |
1562 | ||
88a946d3 | 1563 | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
6972f935 BS |
1564 | { |
1565 | CharDriverState *chr; | |
6972f935 | 1566 | |
7267c094 | 1567 | chr = g_malloc0(sizeof(CharDriverState)); |
e0efb993 | 1568 | chr->opaque = (void *)(intptr_t)fd; |
6972f935 BS |
1569 | chr->chr_write = null_chr_write; |
1570 | chr->chr_ioctl = pp_ioctl; | |
252a7c6e | 1571 | chr->explicit_be_open = true; |
1f51470d | 1572 | return chr; |
6972f935 BS |
1573 | } |
1574 | #endif | |
1575 | ||
6f97dba0 AL |
1576 | #else /* _WIN32 */ |
1577 | ||
1578 | typedef struct { | |
1579 | int max_size; | |
1580 | HANDLE hcom, hrecv, hsend; | |
1581 | OVERLAPPED orecv, osend; | |
1582 | BOOL fpipe; | |
1583 | DWORD len; | |
1584 | } WinCharState; | |
1585 | ||
db418a0a FC |
1586 | typedef struct { |
1587 | HANDLE hStdIn; | |
1588 | HANDLE hInputReadyEvent; | |
1589 | HANDLE hInputDoneEvent; | |
1590 | HANDLE hInputThread; | |
1591 | uint8_t win_stdio_buf; | |
1592 | } WinStdioCharState; | |
1593 | ||
6f97dba0 AL |
1594 | #define NSENDBUF 2048 |
1595 | #define NRECVBUF 2048 | |
1596 | #define MAXCONNECT 1 | |
1597 | #define NTIMEOUT 5000 | |
1598 | ||
1599 | static int win_chr_poll(void *opaque); | |
1600 | static int win_chr_pipe_poll(void *opaque); | |
1601 | ||
1602 | static void win_chr_close(CharDriverState *chr) | |
1603 | { | |
1604 | WinCharState *s = chr->opaque; | |
1605 | ||
1606 | if (s->hsend) { | |
1607 | CloseHandle(s->hsend); | |
1608 | s->hsend = NULL; | |
1609 | } | |
1610 | if (s->hrecv) { | |
1611 | CloseHandle(s->hrecv); | |
1612 | s->hrecv = NULL; | |
1613 | } | |
1614 | if (s->hcom) { | |
1615 | CloseHandle(s->hcom); | |
1616 | s->hcom = NULL; | |
1617 | } | |
1618 | if (s->fpipe) | |
1619 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1620 | else | |
1621 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 | 1622 | |
a425d23f | 1623 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1624 | } |
1625 | ||
1626 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1627 | { | |
1628 | WinCharState *s = chr->opaque; | |
1629 | COMMCONFIG comcfg; | |
1630 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1631 | COMSTAT comstat; | |
1632 | DWORD size; | |
1633 | DWORD err; | |
1634 | ||
1635 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1636 | if (!s->hsend) { | |
1637 | fprintf(stderr, "Failed CreateEvent\n"); | |
1638 | goto fail; | |
1639 | } | |
1640 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1641 | if (!s->hrecv) { | |
1642 | fprintf(stderr, "Failed CreateEvent\n"); | |
1643 | goto fail; | |
1644 | } | |
1645 | ||
1646 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1647 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1648 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1649 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1650 | s->hcom = NULL; | |
1651 | goto fail; | |
1652 | } | |
1653 | ||
1654 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1655 | fprintf(stderr, "Failed SetupComm\n"); | |
1656 | goto fail; | |
1657 | } | |
1658 | ||
1659 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1660 | size = sizeof(COMMCONFIG); | |
1661 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1662 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1663 | CommConfigDialog(filename, NULL, &comcfg); | |
1664 | ||
1665 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1666 | fprintf(stderr, "Failed SetCommState\n"); | |
1667 | goto fail; | |
1668 | } | |
1669 | ||
1670 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1671 | fprintf(stderr, "Failed SetCommMask\n"); | |
1672 | goto fail; | |
1673 | } | |
1674 | ||
1675 | cto.ReadIntervalTimeout = MAXDWORD; | |
1676 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1677 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1678 | goto fail; | |
1679 | } | |
1680 | ||
1681 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1682 | fprintf(stderr, "Failed ClearCommError\n"); | |
1683 | goto fail; | |
1684 | } | |
1685 | qemu_add_polling_cb(win_chr_poll, chr); | |
1686 | return 0; | |
1687 | ||
1688 | fail: | |
1689 | win_chr_close(chr); | |
1690 | return -1; | |
1691 | } | |
1692 | ||
1693 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1694 | { | |
1695 | WinCharState *s = chr->opaque; | |
1696 | DWORD len, ret, size, err; | |
1697 | ||
1698 | len = len1; | |
1699 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1700 | s->osend.hEvent = s->hsend; | |
1701 | while (len > 0) { | |
1702 | if (s->hsend) | |
1703 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1704 | else | |
1705 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1706 | if (!ret) { | |
1707 | err = GetLastError(); | |
1708 | if (err == ERROR_IO_PENDING) { | |
1709 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1710 | if (ret) { | |
1711 | buf += size; | |
1712 | len -= size; | |
1713 | } else { | |
1714 | break; | |
1715 | } | |
1716 | } else { | |
1717 | break; | |
1718 | } | |
1719 | } else { | |
1720 | buf += size; | |
1721 | len -= size; | |
1722 | } | |
1723 | } | |
1724 | return len1 - len; | |
1725 | } | |
1726 | ||
1727 | static int win_chr_read_poll(CharDriverState *chr) | |
1728 | { | |
1729 | WinCharState *s = chr->opaque; | |
1730 | ||
909cda12 | 1731 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1732 | return s->max_size; |
1733 | } | |
1734 | ||
1735 | static void win_chr_readfile(CharDriverState *chr) | |
1736 | { | |
1737 | WinCharState *s = chr->opaque; | |
1738 | int ret, err; | |
9bd7854e | 1739 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1740 | DWORD size; |
1741 | ||
1742 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1743 | s->orecv.hEvent = s->hrecv; | |
1744 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1745 | if (!ret) { | |
1746 | err = GetLastError(); | |
1747 | if (err == ERROR_IO_PENDING) { | |
1748 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | if (size > 0) { | |
fa5efccb | 1753 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
1754 | } |
1755 | } | |
1756 | ||
1757 | static void win_chr_read(CharDriverState *chr) | |
1758 | { | |
1759 | WinCharState *s = chr->opaque; | |
1760 | ||
1761 | if (s->len > s->max_size) | |
1762 | s->len = s->max_size; | |
1763 | if (s->len == 0) | |
1764 | return; | |
1765 | ||
1766 | win_chr_readfile(chr); | |
1767 | } | |
1768 | ||
1769 | static int win_chr_poll(void *opaque) | |
1770 | { | |
1771 | CharDriverState *chr = opaque; | |
1772 | WinCharState *s = chr->opaque; | |
1773 | COMSTAT status; | |
1774 | DWORD comerr; | |
1775 | ||
1776 | ClearCommError(s->hcom, &comerr, &status); | |
1777 | if (status.cbInQue > 0) { | |
1778 | s->len = status.cbInQue; | |
1779 | win_chr_read_poll(chr); | |
1780 | win_chr_read(chr); | |
1781 | return 1; | |
1782 | } | |
1783 | return 0; | |
1784 | } | |
1785 | ||
d59044ef | 1786 | static CharDriverState *qemu_chr_open_win_path(const char *filename) |
6f97dba0 AL |
1787 | { |
1788 | CharDriverState *chr; | |
1789 | WinCharState *s; | |
1790 | ||
7267c094 AL |
1791 | chr = g_malloc0(sizeof(CharDriverState)); |
1792 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1793 | chr->opaque = s; |
1794 | chr->chr_write = win_chr_write; | |
1795 | chr->chr_close = win_chr_close; | |
1796 | ||
1797 | if (win_chr_init(chr, filename) < 0) { | |
2e02e18b SW |
1798 | g_free(s); |
1799 | g_free(chr); | |
1f51470d | 1800 | return NULL; |
6f97dba0 | 1801 | } |
1f51470d | 1802 | return chr; |
6f97dba0 AL |
1803 | } |
1804 | ||
1805 | static int win_chr_pipe_poll(void *opaque) | |
1806 | { | |
1807 | CharDriverState *chr = opaque; | |
1808 | WinCharState *s = chr->opaque; | |
1809 | DWORD size; | |
1810 | ||
1811 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1812 | if (size > 0) { | |
1813 | s->len = size; | |
1814 | win_chr_read_poll(chr); | |
1815 | win_chr_read(chr); | |
1816 | return 1; | |
1817 | } | |
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1822 | { | |
1823 | WinCharState *s = chr->opaque; | |
1824 | OVERLAPPED ov; | |
1825 | int ret; | |
1826 | DWORD size; | |
1827 | char openname[256]; | |
1828 | ||
1829 | s->fpipe = TRUE; | |
1830 | ||
1831 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1832 | if (!s->hsend) { | |
1833 | fprintf(stderr, "Failed CreateEvent\n"); | |
1834 | goto fail; | |
1835 | } | |
1836 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1837 | if (!s->hrecv) { | |
1838 | fprintf(stderr, "Failed CreateEvent\n"); | |
1839 | goto fail; | |
1840 | } | |
1841 | ||
1842 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1843 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1844 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1845 | PIPE_WAIT, | |
1846 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1847 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1848 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1849 | s->hcom = NULL; | |
1850 | goto fail; | |
1851 | } | |
1852 | ||
1853 | ZeroMemory(&ov, sizeof(ov)); | |
1854 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1855 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1856 | if (ret) { | |
1857 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1858 | goto fail; | |
1859 | } | |
1860 | ||
1861 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1862 | if (!ret) { | |
1863 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1864 | if (ov.hEvent) { | |
1865 | CloseHandle(ov.hEvent); | |
1866 | ov.hEvent = NULL; | |
1867 | } | |
1868 | goto fail; | |
1869 | } | |
1870 | ||
1871 | if (ov.hEvent) { | |
1872 | CloseHandle(ov.hEvent); | |
1873 | ov.hEvent = NULL; | |
1874 | } | |
1875 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1876 | return 0; | |
1877 | ||
1878 | fail: | |
1879 | win_chr_close(chr); | |
1880 | return -1; | |
1881 | } | |
1882 | ||
1883 | ||
548cbb36 | 1884 | static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts) |
6f97dba0 | 1885 | { |
548cbb36 | 1886 | const char *filename = opts->device; |
6f97dba0 AL |
1887 | CharDriverState *chr; |
1888 | WinCharState *s; | |
1889 | ||
7267c094 AL |
1890 | chr = g_malloc0(sizeof(CharDriverState)); |
1891 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1892 | chr->opaque = s; |
1893 | chr->chr_write = win_chr_write; | |
1894 | chr->chr_close = win_chr_close; | |
1895 | ||
1896 | if (win_chr_pipe_init(chr, filename) < 0) { | |
2e02e18b SW |
1897 | g_free(s); |
1898 | g_free(chr); | |
1f51470d | 1899 | return NULL; |
6f97dba0 | 1900 | } |
1f51470d | 1901 | return chr; |
6f97dba0 AL |
1902 | } |
1903 | ||
1f51470d | 1904 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
6f97dba0 AL |
1905 | { |
1906 | CharDriverState *chr; | |
1907 | WinCharState *s; | |
1908 | ||
7267c094 AL |
1909 | chr = g_malloc0(sizeof(CharDriverState)); |
1910 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1911 | s->hcom = fd_out; |
1912 | chr->opaque = s; | |
1913 | chr->chr_write = win_chr_write; | |
1f51470d | 1914 | return chr; |
6f97dba0 AL |
1915 | } |
1916 | ||
d9ac374f | 1917 | static CharDriverState *qemu_chr_open_win_con(void) |
6f97dba0 | 1918 | { |
1f51470d | 1919 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
6f97dba0 AL |
1920 | } |
1921 | ||
db418a0a FC |
1922 | static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len) |
1923 | { | |
1924 | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); | |
1925 | DWORD dwSize; | |
1926 | int len1; | |
1927 | ||
1928 | len1 = len; | |
1929 | ||
1930 | while (len1 > 0) { | |
1931 | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { | |
1932 | break; | |
1933 | } | |
1934 | buf += dwSize; | |
1935 | len1 -= dwSize; | |
1936 | } | |
1937 | ||
1938 | return len - len1; | |
1939 | } | |
1940 | ||
1941 | static void win_stdio_wait_func(void *opaque) | |
1942 | { | |
1943 | CharDriverState *chr = opaque; | |
1944 | WinStdioCharState *stdio = chr->opaque; | |
1945 | INPUT_RECORD buf[4]; | |
1946 | int ret; | |
1947 | DWORD dwSize; | |
1948 | int i; | |
1949 | ||
1950 | ret = ReadConsoleInput(stdio->hStdIn, buf, sizeof(buf) / sizeof(*buf), | |
1951 | &dwSize); | |
1952 | ||
1953 | if (!ret) { | |
1954 | /* Avoid error storm */ | |
1955 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
1956 | return; | |
1957 | } | |
1958 | ||
1959 | for (i = 0; i < dwSize; i++) { | |
1960 | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; | |
1961 | ||
1962 | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) { | |
1963 | int j; | |
1964 | if (kev->uChar.AsciiChar != 0) { | |
1965 | for (j = 0; j < kev->wRepeatCount; j++) { | |
1966 | if (qemu_chr_be_can_write(chr)) { | |
1967 | uint8_t c = kev->uChar.AsciiChar; | |
1968 | qemu_chr_be_write(chr, &c, 1); | |
1969 | } | |
1970 | } | |
1971 | } | |
1972 | } | |
1973 | } | |
1974 | } | |
1975 | ||
1976 | static DWORD WINAPI win_stdio_thread(LPVOID param) | |
1977 | { | |
1978 | CharDriverState *chr = param; | |
1979 | WinStdioCharState *stdio = chr->opaque; | |
1980 | int ret; | |
1981 | DWORD dwSize; | |
1982 | ||
1983 | while (1) { | |
1984 | ||
1985 | /* Wait for one byte */ | |
1986 | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); | |
1987 | ||
1988 | /* Exit in case of error, continue if nothing read */ | |
1989 | if (!ret) { | |
1990 | break; | |
1991 | } | |
1992 | if (!dwSize) { | |
1993 | continue; | |
1994 | } | |
1995 | ||
1996 | /* Some terminal emulator returns \r\n for Enter, just pass \n */ | |
1997 | if (stdio->win_stdio_buf == '\r') { | |
1998 | continue; | |
1999 | } | |
2000 | ||
2001 | /* Signal the main thread and wait until the byte was eaten */ | |
2002 | if (!SetEvent(stdio->hInputReadyEvent)) { | |
2003 | break; | |
2004 | } | |
2005 | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE) | |
2006 | != WAIT_OBJECT_0) { | |
2007 | break; | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2012 | return 0; | |
2013 | } | |
2014 | ||
2015 | static void win_stdio_thread_wait_func(void *opaque) | |
2016 | { | |
2017 | CharDriverState *chr = opaque; | |
2018 | WinStdioCharState *stdio = chr->opaque; | |
2019 | ||
2020 | if (qemu_chr_be_can_write(chr)) { | |
2021 | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1); | |
2022 | } | |
2023 | ||
2024 | SetEvent(stdio->hInputDoneEvent); | |
2025 | } | |
2026 | ||
2027 | static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo) | |
2028 | { | |
2029 | WinStdioCharState *stdio = chr->opaque; | |
2030 | DWORD dwMode = 0; | |
2031 | ||
2032 | GetConsoleMode(stdio->hStdIn, &dwMode); | |
2033 | ||
2034 | if (echo) { | |
2035 | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); | |
2036 | } else { | |
2037 | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); | |
2038 | } | |
2039 | } | |
2040 | ||
2041 | static void win_stdio_close(CharDriverState *chr) | |
2042 | { | |
2043 | WinStdioCharState *stdio = chr->opaque; | |
2044 | ||
2045 | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) { | |
2046 | CloseHandle(stdio->hInputReadyEvent); | |
2047 | } | |
2048 | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) { | |
2049 | CloseHandle(stdio->hInputDoneEvent); | |
2050 | } | |
2051 | if (stdio->hInputThread != INVALID_HANDLE_VALUE) { | |
2052 | TerminateThread(stdio->hInputThread, 0); | |
2053 | } | |
2054 | ||
2055 | g_free(chr->opaque); | |
2056 | g_free(chr); | |
db418a0a FC |
2057 | } |
2058 | ||
7c358031 | 2059 | static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts) |
db418a0a FC |
2060 | { |
2061 | CharDriverState *chr; | |
2062 | WinStdioCharState *stdio; | |
2063 | DWORD dwMode; | |
2064 | int is_console = 0; | |
2065 | ||
db418a0a FC |
2066 | chr = g_malloc0(sizeof(CharDriverState)); |
2067 | stdio = g_malloc0(sizeof(WinStdioCharState)); | |
2068 | ||
2069 | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); | |
2070 | if (stdio->hStdIn == INVALID_HANDLE_VALUE) { | |
2071 | fprintf(stderr, "cannot open stdio: invalid handle\n"); | |
2072 | exit(1); | |
2073 | } | |
2074 | ||
2075 | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0; | |
2076 | ||
2077 | chr->opaque = stdio; | |
2078 | chr->chr_write = win_stdio_write; | |
2079 | chr->chr_close = win_stdio_close; | |
2080 | ||
ed7a1540 AL |
2081 | if (is_console) { |
2082 | if (qemu_add_wait_object(stdio->hStdIn, | |
2083 | win_stdio_wait_func, chr)) { | |
2084 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
2085 | } | |
2086 | } else { | |
2087 | DWORD dwId; | |
2088 | ||
2089 | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2090 | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2091 | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, | |
2092 | chr, 0, &dwId); | |
2093 | ||
2094 | if (stdio->hInputThread == INVALID_HANDLE_VALUE | |
2095 | || stdio->hInputReadyEvent == INVALID_HANDLE_VALUE | |
2096 | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { | |
2097 | fprintf(stderr, "cannot create stdio thread or event\n"); | |
2098 | exit(1); | |
2099 | } | |
2100 | if (qemu_add_wait_object(stdio->hInputReadyEvent, | |
2101 | win_stdio_thread_wait_func, chr)) { | |
2102 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
db418a0a FC |
2103 | } |
2104 | } | |
2105 | ||
2106 | dwMode |= ENABLE_LINE_INPUT; | |
2107 | ||
ed7a1540 | 2108 | if (is_console) { |
db418a0a FC |
2109 | /* set the terminal in raw mode */ |
2110 | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */ | |
2111 | dwMode |= ENABLE_PROCESSED_INPUT; | |
2112 | } | |
2113 | ||
2114 | SetConsoleMode(stdio->hStdIn, dwMode); | |
2115 | ||
2116 | chr->chr_set_echo = qemu_chr_set_echo_win_stdio; | |
2117 | qemu_chr_fe_set_echo(chr, false); | |
2118 | ||
1f51470d | 2119 | return chr; |
db418a0a | 2120 | } |
6f97dba0 AL |
2121 | #endif /* !_WIN32 */ |
2122 | ||
5ab8211b | 2123 | |
6f97dba0 AL |
2124 | /***********************************************************/ |
2125 | /* UDP Net console */ | |
2126 | ||
2127 | typedef struct { | |
2128 | int fd; | |
76a9644b AL |
2129 | GIOChannel *chan; |
2130 | guint tag; | |
9bd7854e | 2131 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2132 | int bufcnt; |
2133 | int bufptr; | |
2134 | int max_size; | |
2135 | } NetCharDriver; | |
2136 | ||
2137 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2138 | { | |
2139 | NetCharDriver *s = chr->opaque; | |
76a9644b AL |
2140 | gsize bytes_written; |
2141 | GIOStatus status; | |
2142 | ||
2143 | status = g_io_channel_write_chars(s->chan, (const gchar *)buf, len, &bytes_written, NULL); | |
2144 | if (status == G_IO_STATUS_EOF) { | |
2145 | return 0; | |
2146 | } else if (status != G_IO_STATUS_NORMAL) { | |
2147 | return -1; | |
2148 | } | |
6f97dba0 | 2149 | |
76a9644b | 2150 | return bytes_written; |
6f97dba0 AL |
2151 | } |
2152 | ||
2153 | static int udp_chr_read_poll(void *opaque) | |
2154 | { | |
2155 | CharDriverState *chr = opaque; | |
2156 | NetCharDriver *s = chr->opaque; | |
2157 | ||
909cda12 | 2158 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2159 | |
2160 | /* If there were any stray characters in the queue process them | |
2161 | * first | |
2162 | */ | |
2163 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2164 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2165 | s->bufptr++; |
909cda12 | 2166 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2167 | } |
2168 | return s->max_size; | |
2169 | } | |
2170 | ||
76a9644b | 2171 | static gboolean udp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2172 | { |
2173 | CharDriverState *chr = opaque; | |
2174 | NetCharDriver *s = chr->opaque; | |
76a9644b AL |
2175 | gsize bytes_read = 0; |
2176 | GIOStatus status; | |
6f97dba0 | 2177 | |
cdbf6e16 PB |
2178 | if (s->max_size == 0) { |
2179 | return TRUE; | |
2180 | } | |
76a9644b AL |
2181 | status = g_io_channel_read_chars(s->chan, (gchar *)s->buf, sizeof(s->buf), |
2182 | &bytes_read, NULL); | |
2183 | s->bufcnt = bytes_read; | |
6f97dba0 | 2184 | s->bufptr = s->bufcnt; |
76a9644b | 2185 | if (status != G_IO_STATUS_NORMAL) { |
cdbf6e16 | 2186 | if (s->tag) { |
2b316774 | 2187 | io_remove_watch_poll(s->tag); |
cdbf6e16 PB |
2188 | s->tag = 0; |
2189 | } | |
76a9644b AL |
2190 | return FALSE; |
2191 | } | |
6f97dba0 AL |
2192 | |
2193 | s->bufptr = 0; | |
2194 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2195 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2196 | s->bufptr++; |
909cda12 | 2197 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 | 2198 | } |
76a9644b AL |
2199 | |
2200 | return TRUE; | |
6f97dba0 AL |
2201 | } |
2202 | ||
2203 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2204 | { | |
2205 | NetCharDriver *s = chr->opaque; | |
2206 | ||
76a9644b | 2207 | if (s->tag) { |
2b316774 | 2208 | io_remove_watch_poll(s->tag); |
76a9644b AL |
2209 | s->tag = 0; |
2210 | } | |
2211 | ||
2212 | if (s->chan) { | |
2213 | s->tag = io_add_watch_poll(s->chan, udp_chr_read_poll, udp_chr_read, chr); | |
6f97dba0 AL |
2214 | } |
2215 | } | |
2216 | ||
819f56b7 AL |
2217 | static void udp_chr_close(CharDriverState *chr) |
2218 | { | |
2219 | NetCharDriver *s = chr->opaque; | |
76a9644b | 2220 | if (s->tag) { |
2b316774 | 2221 | io_remove_watch_poll(s->tag); |
910b6368 | 2222 | s->tag = 0; |
76a9644b AL |
2223 | } |
2224 | if (s->chan) { | |
2225 | g_io_channel_unref(s->chan); | |
819f56b7 AL |
2226 | closesocket(s->fd); |
2227 | } | |
7267c094 | 2228 | g_free(s); |
a425d23f | 2229 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
2230 | } |
2231 | ||
3ecc059d | 2232 | static CharDriverState *qemu_chr_open_udp_fd(int fd) |
6f97dba0 AL |
2233 | { |
2234 | CharDriverState *chr = NULL; | |
2235 | NetCharDriver *s = NULL; | |
6f97dba0 | 2236 | |
7267c094 AL |
2237 | chr = g_malloc0(sizeof(CharDriverState)); |
2238 | s = g_malloc0(sizeof(NetCharDriver)); | |
6f97dba0 | 2239 | |
6f97dba0 | 2240 | s->fd = fd; |
76a9644b | 2241 | s->chan = io_channel_from_socket(s->fd); |
6f97dba0 AL |
2242 | s->bufcnt = 0; |
2243 | s->bufptr = 0; | |
2244 | chr->opaque = s; | |
2245 | chr->chr_write = udp_chr_write; | |
2246 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 2247 | chr->chr_close = udp_chr_close; |
252a7c6e MR |
2248 | /* be isn't opened until we get a connection */ |
2249 | chr->explicit_be_open = true; | |
1f51470d | 2250 | return chr; |
3ecc059d | 2251 | } |
6f97dba0 | 2252 | |
3ecc059d GH |
2253 | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
2254 | { | |
2255 | Error *local_err = NULL; | |
2256 | int fd = -1; | |
2257 | ||
2258 | fd = inet_dgram_opts(opts, &local_err); | |
2259 | if (fd < 0) { | |
2260 | return NULL; | |
6e1db57b | 2261 | } |
3ecc059d | 2262 | return qemu_chr_open_udp_fd(fd); |
6f97dba0 AL |
2263 | } |
2264 | ||
2265 | /***********************************************************/ | |
2266 | /* TCP Net console */ | |
2267 | ||
2268 | typedef struct { | |
2ea5a7af AL |
2269 | |
2270 | GIOChannel *chan, *listen_chan; | |
2271 | guint tag, listen_tag; | |
6f97dba0 AL |
2272 | int fd, listen_fd; |
2273 | int connected; | |
2274 | int max_size; | |
2275 | int do_telnetopt; | |
2276 | int do_nodelay; | |
2277 | int is_unix; | |
7d174059 | 2278 | int msgfd; |
6f97dba0 AL |
2279 | } TCPCharDriver; |
2280 | ||
2ea5a7af | 2281 | static gboolean tcp_chr_accept(GIOChannel *chan, GIOCondition cond, void *opaque); |
6f97dba0 AL |
2282 | |
2283 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2284 | { | |
2285 | TCPCharDriver *s = chr->opaque; | |
2286 | if (s->connected) { | |
684a096e | 2287 | return io_channel_send(s->chan, buf, len); |
455aa1e0 | 2288 | } else { |
6db0fdce | 2289 | /* XXX: indicate an error ? */ |
455aa1e0 | 2290 | return len; |
6f97dba0 AL |
2291 | } |
2292 | } | |
2293 | ||
2294 | static int tcp_chr_read_poll(void *opaque) | |
2295 | { | |
2296 | CharDriverState *chr = opaque; | |
2297 | TCPCharDriver *s = chr->opaque; | |
2298 | if (!s->connected) | |
2299 | return 0; | |
909cda12 | 2300 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2301 | return s->max_size; |
2302 | } | |
2303 | ||
2304 | #define IAC 255 | |
2305 | #define IAC_BREAK 243 | |
2306 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2307 | TCPCharDriver *s, | |
2308 | uint8_t *buf, int *size) | |
2309 | { | |
2310 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2311 | * char mode with no echo. All IAC options will be removed from | |
2312 | * the buf and the do_telnetopt variable will be used to track the | |
2313 | * state of the width of the IAC information. | |
2314 | * | |
2315 | * IAC commands come in sets of 3 bytes with the exception of the | |
2316 | * "IAC BREAK" command and the double IAC. | |
2317 | */ | |
2318 | ||
2319 | int i; | |
2320 | int j = 0; | |
2321 | ||
2322 | for (i = 0; i < *size; i++) { | |
2323 | if (s->do_telnetopt > 1) { | |
2324 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2325 | /* Double IAC means send an IAC */ | |
2326 | if (j != i) | |
2327 | buf[j] = buf[i]; | |
2328 | j++; | |
2329 | s->do_telnetopt = 1; | |
2330 | } else { | |
2331 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2332 | /* Handle IAC break commands by sending a serial break */ | |
a425d23f | 2333 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
2334 | s->do_telnetopt++; |
2335 | } | |
2336 | s->do_telnetopt++; | |
2337 | } | |
2338 | if (s->do_telnetopt >= 4) { | |
2339 | s->do_telnetopt = 1; | |
2340 | } | |
2341 | } else { | |
2342 | if ((unsigned char)buf[i] == IAC) { | |
2343 | s->do_telnetopt = 2; | |
2344 | } else { | |
2345 | if (j != i) | |
2346 | buf[j] = buf[i]; | |
2347 | j++; | |
2348 | } | |
2349 | } | |
2350 | } | |
2351 | *size = j; | |
2352 | } | |
2353 | ||
7d174059 MM |
2354 | static int tcp_get_msgfd(CharDriverState *chr) |
2355 | { | |
2356 | TCPCharDriver *s = chr->opaque; | |
e53f27b9 PB |
2357 | int fd = s->msgfd; |
2358 | s->msgfd = -1; | |
2359 | return fd; | |
7d174059 MM |
2360 | } |
2361 | ||
73bcc2ac | 2362 | #ifndef _WIN32 |
7d174059 MM |
2363 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2364 | { | |
2365 | TCPCharDriver *s = chr->opaque; | |
2366 | struct cmsghdr *cmsg; | |
2367 | ||
2368 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { | |
2369 | int fd; | |
2370 | ||
2371 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || | |
2372 | cmsg->cmsg_level != SOL_SOCKET || | |
2373 | cmsg->cmsg_type != SCM_RIGHTS) | |
2374 | continue; | |
2375 | ||
2376 | fd = *((int *)CMSG_DATA(cmsg)); | |
2377 | if (fd < 0) | |
2378 | continue; | |
2379 | ||
9b938c72 SH |
2380 | /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ |
2381 | qemu_set_block(fd); | |
2382 | ||
06138651 CB |
2383 | #ifndef MSG_CMSG_CLOEXEC |
2384 | qemu_set_cloexec(fd); | |
2385 | #endif | |
7d174059 MM |
2386 | if (s->msgfd != -1) |
2387 | close(s->msgfd); | |
2388 | s->msgfd = fd; | |
2389 | } | |
2390 | } | |
2391 | ||
9977c894 MM |
2392 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2393 | { | |
2394 | TCPCharDriver *s = chr->opaque; | |
7cba04f6 | 2395 | struct msghdr msg = { NULL, }; |
9977c894 | 2396 | struct iovec iov[1]; |
7d174059 MM |
2397 | union { |
2398 | struct cmsghdr cmsg; | |
2399 | char control[CMSG_SPACE(sizeof(int))]; | |
2400 | } msg_control; | |
06138651 | 2401 | int flags = 0; |
7d174059 | 2402 | ssize_t ret; |
9977c894 MM |
2403 | |
2404 | iov[0].iov_base = buf; | |
2405 | iov[0].iov_len = len; | |
2406 | ||
2407 | msg.msg_iov = iov; | |
2408 | msg.msg_iovlen = 1; | |
7d174059 MM |
2409 | msg.msg_control = &msg_control; |
2410 | msg.msg_controllen = sizeof(msg_control); | |
2411 | ||
06138651 CB |
2412 | #ifdef MSG_CMSG_CLOEXEC |
2413 | flags |= MSG_CMSG_CLOEXEC; | |
2414 | #endif | |
2415 | ret = recvmsg(s->fd, &msg, flags); | |
2416 | if (ret > 0 && s->is_unix) { | |
7d174059 | 2417 | unix_process_msgfd(chr, &msg); |
06138651 | 2418 | } |
9977c894 | 2419 | |
7d174059 | 2420 | return ret; |
9977c894 MM |
2421 | } |
2422 | #else | |
2423 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) | |
2424 | { | |
2425 | TCPCharDriver *s = chr->opaque; | |
00aa0040 | 2426 | return qemu_recv(s->fd, buf, len, 0); |
9977c894 MM |
2427 | } |
2428 | #endif | |
2429 | ||
d3cc5bc4 AS |
2430 | static GSource *tcp_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
2431 | { | |
2432 | TCPCharDriver *s = chr->opaque; | |
2433 | return g_io_create_watch(s->chan, cond); | |
2434 | } | |
2435 | ||
2ea5a7af | 2436 | static gboolean tcp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2437 | { |
2438 | CharDriverState *chr = opaque; | |
2439 | TCPCharDriver *s = chr->opaque; | |
9bd7854e | 2440 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2441 | int len, size; |
2442 | ||
2ea5a7af | 2443 | if (!s->connected || s->max_size <= 0) { |
cdbf6e16 | 2444 | return TRUE; |
2ea5a7af | 2445 | } |
6f97dba0 AL |
2446 | len = sizeof(buf); |
2447 | if (len > s->max_size) | |
2448 | len = s->max_size; | |
9977c894 | 2449 | size = tcp_chr_recv(chr, (void *)buf, len); |
6f97dba0 AL |
2450 | if (size == 0) { |
2451 | /* connection closed */ | |
2452 | s->connected = 0; | |
2ea5a7af AL |
2453 | if (s->listen_chan) { |
2454 | s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN, tcp_chr_accept, chr); | |
6f97dba0 | 2455 | } |
910b6368 | 2456 | if (s->tag) { |
2b316774 | 2457 | io_remove_watch_poll(s->tag); |
910b6368 PB |
2458 | s->tag = 0; |
2459 | } | |
2ea5a7af AL |
2460 | g_io_channel_unref(s->chan); |
2461 | s->chan = NULL; | |
6f97dba0 AL |
2462 | closesocket(s->fd); |
2463 | s->fd = -1; | |
a425d23f | 2464 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2465 | } else if (size > 0) { |
2466 | if (s->do_telnetopt) | |
2467 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2468 | if (size > 0) | |
fa5efccb | 2469 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 2470 | } |
2ea5a7af AL |
2471 | |
2472 | return TRUE; | |
6f97dba0 AL |
2473 | } |
2474 | ||
68c18d1c BS |
2475 | #ifndef _WIN32 |
2476 | CharDriverState *qemu_chr_open_eventfd(int eventfd) | |
2477 | { | |
6cbf4c8c | 2478 | return qemu_chr_open_fd(eventfd, eventfd); |
6cbf4c8c | 2479 | } |
68c18d1c | 2480 | #endif |
6cbf4c8c | 2481 | |
6f97dba0 AL |
2482 | static void tcp_chr_connect(void *opaque) |
2483 | { | |
2484 | CharDriverState *chr = opaque; | |
2485 | TCPCharDriver *s = chr->opaque; | |
2486 | ||
2487 | s->connected = 1; | |
2ea5a7af AL |
2488 | if (s->chan) { |
2489 | s->tag = io_add_watch_poll(s->chan, tcp_chr_read_poll, tcp_chr_read, chr); | |
bbdd2ad0 | 2490 | } |
fee204fd | 2491 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
2492 | } |
2493 | ||
2494 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2495 | static void tcp_chr_telnet_init(int fd) | |
2496 | { | |
2497 | char buf[3]; | |
2498 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2499 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2500 | send(fd, (char *)buf, 3, 0); | |
2501 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2502 | send(fd, (char *)buf, 3, 0); | |
2503 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2504 | send(fd, (char *)buf, 3, 0); | |
2505 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2506 | send(fd, (char *)buf, 3, 0); | |
2507 | } | |
2508 | ||
13661089 DB |
2509 | static int tcp_chr_add_client(CharDriverState *chr, int fd) |
2510 | { | |
2511 | TCPCharDriver *s = chr->opaque; | |
2512 | if (s->fd != -1) | |
2513 | return -1; | |
2514 | ||
f9e8cacc | 2515 | qemu_set_nonblock(fd); |
13661089 DB |
2516 | if (s->do_nodelay) |
2517 | socket_set_nodelay(fd); | |
2518 | s->fd = fd; | |
2ea5a7af | 2519 | s->chan = io_channel_from_socket(fd); |
910b6368 PB |
2520 | if (s->listen_tag) { |
2521 | g_source_remove(s->listen_tag); | |
2522 | s->listen_tag = 0; | |
2523 | } | |
13661089 DB |
2524 | tcp_chr_connect(chr); |
2525 | ||
2526 | return 0; | |
2527 | } | |
2528 | ||
2ea5a7af | 2529 | static gboolean tcp_chr_accept(GIOChannel *channel, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2530 | { |
2531 | CharDriverState *chr = opaque; | |
2532 | TCPCharDriver *s = chr->opaque; | |
2533 | struct sockaddr_in saddr; | |
2534 | #ifndef _WIN32 | |
2535 | struct sockaddr_un uaddr; | |
2536 | #endif | |
2537 | struct sockaddr *addr; | |
2538 | socklen_t len; | |
2539 | int fd; | |
2540 | ||
2541 | for(;;) { | |
2542 | #ifndef _WIN32 | |
2543 | if (s->is_unix) { | |
2544 | len = sizeof(uaddr); | |
2545 | addr = (struct sockaddr *)&uaddr; | |
2546 | } else | |
2547 | #endif | |
2548 | { | |
2549 | len = sizeof(saddr); | |
2550 | addr = (struct sockaddr *)&saddr; | |
2551 | } | |
40ff6d7e | 2552 | fd = qemu_accept(s->listen_fd, addr, &len); |
6f97dba0 | 2553 | if (fd < 0 && errno != EINTR) { |
79f20075 | 2554 | s->listen_tag = 0; |
2ea5a7af | 2555 | return FALSE; |
6f97dba0 AL |
2556 | } else if (fd >= 0) { |
2557 | if (s->do_telnetopt) | |
2558 | tcp_chr_telnet_init(fd); | |
2559 | break; | |
2560 | } | |
2561 | } | |
13661089 DB |
2562 | if (tcp_chr_add_client(chr, fd) < 0) |
2563 | close(fd); | |
2ea5a7af AL |
2564 | |
2565 | return TRUE; | |
6f97dba0 AL |
2566 | } |
2567 | ||
2568 | static void tcp_chr_close(CharDriverState *chr) | |
2569 | { | |
2570 | TCPCharDriver *s = chr->opaque; | |
819f56b7 | 2571 | if (s->fd >= 0) { |
2ea5a7af | 2572 | if (s->tag) { |
2b316774 | 2573 | io_remove_watch_poll(s->tag); |
910b6368 | 2574 | s->tag = 0; |
2ea5a7af AL |
2575 | } |
2576 | if (s->chan) { | |
2577 | g_io_channel_unref(s->chan); | |
2578 | } | |
6f97dba0 | 2579 | closesocket(s->fd); |
819f56b7 AL |
2580 | } |
2581 | if (s->listen_fd >= 0) { | |
2ea5a7af AL |
2582 | if (s->listen_tag) { |
2583 | g_source_remove(s->listen_tag); | |
910b6368 | 2584 | s->listen_tag = 0; |
2ea5a7af AL |
2585 | } |
2586 | if (s->listen_chan) { | |
2587 | g_io_channel_unref(s->listen_chan); | |
2588 | } | |
6f97dba0 | 2589 | closesocket(s->listen_fd); |
819f56b7 | 2590 | } |
7267c094 | 2591 | g_free(s); |
a425d23f | 2592 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2593 | } |
2594 | ||
f6bd5d6e GH |
2595 | static CharDriverState *qemu_chr_open_socket_fd(int fd, bool do_nodelay, |
2596 | bool is_listen, bool is_telnet, | |
2597 | bool is_waitconnect, | |
2598 | Error **errp) | |
6f97dba0 AL |
2599 | { |
2600 | CharDriverState *chr = NULL; | |
2601 | TCPCharDriver *s = NULL; | |
f6bd5d6e GH |
2602 | char host[NI_MAXHOST], serv[NI_MAXSERV]; |
2603 | const char *left = "", *right = ""; | |
2604 | struct sockaddr_storage ss; | |
2605 | socklen_t ss_len = sizeof(ss); | |
2606 | ||
2607 | memset(&ss, 0, ss_len); | |
2608 | if (getsockname(fd, (struct sockaddr *) &ss, &ss_len) != 0) { | |
2609 | error_setg(errp, "getsockname: %s", strerror(errno)); | |
2610 | return NULL; | |
2611 | } | |
2612 | ||
2613 | chr = g_malloc0(sizeof(CharDriverState)); | |
2614 | s = g_malloc0(sizeof(TCPCharDriver)); | |
2615 | ||
2616 | s->connected = 0; | |
2617 | s->fd = -1; | |
2618 | s->listen_fd = -1; | |
2619 | s->msgfd = -1; | |
2620 | ||
2621 | chr->filename = g_malloc(256); | |
2622 | switch (ss.ss_family) { | |
2623 | #ifndef _WIN32 | |
2624 | case AF_UNIX: | |
2625 | s->is_unix = 1; | |
2626 | snprintf(chr->filename, 256, "unix:%s%s", | |
2627 | ((struct sockaddr_un *)(&ss))->sun_path, | |
2628 | is_listen ? ",server" : ""); | |
2629 | break; | |
2630 | #endif | |
2631 | case AF_INET6: | |
2632 | left = "["; | |
2633 | right = "]"; | |
2634 | /* fall through */ | |
2635 | case AF_INET: | |
2636 | s->do_nodelay = do_nodelay; | |
2637 | getnameinfo((struct sockaddr *) &ss, ss_len, host, sizeof(host), | |
2638 | serv, sizeof(serv), NI_NUMERICHOST | NI_NUMERICSERV); | |
e5545854 | 2639 | snprintf(chr->filename, 256, "%s:%s%s%s:%s%s", |
f6bd5d6e GH |
2640 | is_telnet ? "telnet" : "tcp", |
2641 | left, host, right, serv, | |
2642 | is_listen ? ",server" : ""); | |
2643 | break; | |
2644 | } | |
2645 | ||
2646 | chr->opaque = s; | |
2647 | chr->chr_write = tcp_chr_write; | |
2648 | chr->chr_close = tcp_chr_close; | |
2649 | chr->get_msgfd = tcp_get_msgfd; | |
2650 | chr->chr_add_client = tcp_chr_add_client; | |
d3cc5bc4 | 2651 | chr->chr_add_watch = tcp_chr_add_watch; |
252a7c6e MR |
2652 | /* be isn't opened until we get a connection */ |
2653 | chr->explicit_be_open = true; | |
f6bd5d6e GH |
2654 | |
2655 | if (is_listen) { | |
2656 | s->listen_fd = fd; | |
2ea5a7af AL |
2657 | s->listen_chan = io_channel_from_socket(s->listen_fd); |
2658 | s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN, tcp_chr_accept, chr); | |
f6bd5d6e GH |
2659 | if (is_telnet) { |
2660 | s->do_telnetopt = 1; | |
2661 | } | |
2662 | } else { | |
2663 | s->connected = 1; | |
2664 | s->fd = fd; | |
2665 | socket_set_nodelay(fd); | |
2ea5a7af | 2666 | s->chan = io_channel_from_socket(s->fd); |
f6bd5d6e GH |
2667 | tcp_chr_connect(chr); |
2668 | } | |
2669 | ||
2670 | if (is_listen && is_waitconnect) { | |
2671 | printf("QEMU waiting for connection on: %s\n", | |
2672 | chr->filename); | |
2ea5a7af | 2673 | tcp_chr_accept(s->listen_chan, G_IO_IN, chr); |
f9e8cacc | 2674 | qemu_set_nonblock(s->listen_fd); |
f6bd5d6e GH |
2675 | } |
2676 | return chr; | |
2677 | } | |
2678 | ||
2679 | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) | |
2680 | { | |
2681 | CharDriverState *chr = NULL; | |
87d5f24f | 2682 | Error *local_err = NULL; |
aeb2c47a GH |
2683 | int fd = -1; |
2684 | int is_listen; | |
2685 | int is_waitconnect; | |
2686 | int do_nodelay; | |
2687 | int is_unix; | |
2688 | int is_telnet; | |
2689 | ||
2690 | is_listen = qemu_opt_get_bool(opts, "server", 0); | |
2691 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); | |
2692 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); | |
2693 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); | |
2694 | is_unix = qemu_opt_get(opts, "path") != NULL; | |
6f97dba0 AL |
2695 | if (!is_listen) |
2696 | is_waitconnect = 0; | |
2697 | ||
f07b6003 AL |
2698 | if (is_unix) { |
2699 | if (is_listen) { | |
87d5f24f | 2700 | fd = unix_listen_opts(opts, &local_err); |
f07b6003 | 2701 | } else { |
87d5f24f | 2702 | fd = unix_connect_opts(opts, &local_err, NULL, NULL); |
f07b6003 AL |
2703 | } |
2704 | } else { | |
2705 | if (is_listen) { | |
87d5f24f | 2706 | fd = inet_listen_opts(opts, 0, &local_err); |
f07b6003 | 2707 | } else { |
87d5f24f | 2708 | fd = inet_connect_opts(opts, &local_err, NULL, NULL); |
f07b6003 AL |
2709 | } |
2710 | } | |
a89dd6c3 | 2711 | if (fd < 0) { |
6f97dba0 | 2712 | goto fail; |
a89dd6c3 | 2713 | } |
6f97dba0 AL |
2714 | |
2715 | if (!is_waitconnect) | |
f9e8cacc | 2716 | qemu_set_nonblock(fd); |
6f97dba0 | 2717 | |
f6bd5d6e GH |
2718 | chr = qemu_chr_open_socket_fd(fd, do_nodelay, is_listen, is_telnet, |
2719 | is_waitconnect, &local_err); | |
2720 | if (error_is_set(&local_err)) { | |
2721 | goto fail; | |
6f97dba0 | 2722 | } |
1f51470d | 2723 | return chr; |
aeb2c47a | 2724 | |
f6bd5d6e | 2725 | |
6f97dba0 | 2726 | fail: |
87d5f24f PB |
2727 | if (local_err) { |
2728 | qerror_report_err(local_err); | |
2729 | error_free(local_err); | |
2730 | } | |
2731 | if (fd >= 0) { | |
6f97dba0 | 2732 | closesocket(fd); |
87d5f24f | 2733 | } |
f6bd5d6e GH |
2734 | if (chr) { |
2735 | g_free(chr->opaque); | |
2736 | g_free(chr); | |
2737 | } | |
1f51470d | 2738 | return NULL; |
6f97dba0 AL |
2739 | } |
2740 | ||
51767e7c | 2741 | /*********************************************************/ |
3949e594 | 2742 | /* Ring buffer chardev */ |
51767e7c LL |
2743 | |
2744 | typedef struct { | |
2745 | size_t size; | |
2746 | size_t prod; | |
2747 | size_t cons; | |
2748 | uint8_t *cbuf; | |
3949e594 | 2749 | } RingBufCharDriver; |
51767e7c | 2750 | |
3949e594 | 2751 | static size_t ringbuf_count(const CharDriverState *chr) |
51767e7c | 2752 | { |
3949e594 | 2753 | const RingBufCharDriver *d = chr->opaque; |
51767e7c | 2754 | |
5c230105 | 2755 | return d->prod - d->cons; |
51767e7c LL |
2756 | } |
2757 | ||
3949e594 | 2758 | static int ringbuf_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
51767e7c | 2759 | { |
3949e594 | 2760 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2761 | int i; |
2762 | ||
2763 | if (!buf || (len < 0)) { | |
2764 | return -1; | |
2765 | } | |
2766 | ||
2767 | for (i = 0; i < len; i++ ) { | |
5c230105 MA |
2768 | d->cbuf[d->prod++ & (d->size - 1)] = buf[i]; |
2769 | if (d->prod - d->cons > d->size) { | |
51767e7c LL |
2770 | d->cons = d->prod - d->size; |
2771 | } | |
2772 | } | |
2773 | ||
2774 | return 0; | |
2775 | } | |
2776 | ||
3949e594 | 2777 | static int ringbuf_chr_read(CharDriverState *chr, uint8_t *buf, int len) |
51767e7c | 2778 | { |
3949e594 | 2779 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2780 | int i; |
2781 | ||
5c230105 MA |
2782 | for (i = 0; i < len && d->cons != d->prod; i++) { |
2783 | buf[i] = d->cbuf[d->cons++ & (d->size - 1)]; | |
51767e7c LL |
2784 | } |
2785 | ||
2786 | return i; | |
2787 | } | |
2788 | ||
3949e594 | 2789 | static void ringbuf_chr_close(struct CharDriverState *chr) |
51767e7c | 2790 | { |
3949e594 | 2791 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2792 | |
2793 | g_free(d->cbuf); | |
2794 | g_free(d); | |
2795 | chr->opaque = NULL; | |
2796 | } | |
2797 | ||
1da48c65 GH |
2798 | static CharDriverState *qemu_chr_open_ringbuf(ChardevRingbuf *opts, |
2799 | Error **errp) | |
51767e7c LL |
2800 | { |
2801 | CharDriverState *chr; | |
3949e594 | 2802 | RingBufCharDriver *d; |
51767e7c LL |
2803 | |
2804 | chr = g_malloc0(sizeof(CharDriverState)); | |
2805 | d = g_malloc(sizeof(*d)); | |
2806 | ||
1da48c65 | 2807 | d->size = opts->has_size ? opts->size : 65536; |
51767e7c LL |
2808 | |
2809 | /* The size must be power of 2 */ | |
2810 | if (d->size & (d->size - 1)) { | |
1da48c65 | 2811 | error_setg(errp, "size of ringbuf chardev must be power of two"); |
51767e7c LL |
2812 | goto fail; |
2813 | } | |
2814 | ||
2815 | d->prod = 0; | |
2816 | d->cons = 0; | |
2817 | d->cbuf = g_malloc0(d->size); | |
2818 | ||
2819 | chr->opaque = d; | |
3949e594 MA |
2820 | chr->chr_write = ringbuf_chr_write; |
2821 | chr->chr_close = ringbuf_chr_close; | |
51767e7c LL |
2822 | |
2823 | return chr; | |
2824 | ||
2825 | fail: | |
2826 | g_free(d); | |
2827 | g_free(chr); | |
2828 | return NULL; | |
2829 | } | |
2830 | ||
3949e594 | 2831 | static bool chr_is_ringbuf(const CharDriverState *chr) |
1f590cf9 | 2832 | { |
3949e594 | 2833 | return chr->chr_write == ringbuf_chr_write; |
1f590cf9 LL |
2834 | } |
2835 | ||
3949e594 | 2836 | void qmp_ringbuf_write(const char *device, const char *data, |
82e59a67 | 2837 | bool has_format, enum DataFormat format, |
1f590cf9 LL |
2838 | Error **errp) |
2839 | { | |
2840 | CharDriverState *chr; | |
c4f331b6 | 2841 | const uint8_t *write_data; |
1f590cf9 | 2842 | int ret; |
c4f331b6 | 2843 | size_t write_count; |
1f590cf9 LL |
2844 | |
2845 | chr = qemu_chr_find(device); | |
2846 | if (!chr) { | |
1a69278e | 2847 | error_setg(errp, "Device '%s' not found", device); |
1f590cf9 LL |
2848 | return; |
2849 | } | |
2850 | ||
3949e594 MA |
2851 | if (!chr_is_ringbuf(chr)) { |
2852 | error_setg(errp,"%s is not a ringbuf device", device); | |
1f590cf9 LL |
2853 | return; |
2854 | } | |
2855 | ||
1f590cf9 LL |
2856 | if (has_format && (format == DATA_FORMAT_BASE64)) { |
2857 | write_data = g_base64_decode(data, &write_count); | |
2858 | } else { | |
2859 | write_data = (uint8_t *)data; | |
82e59a67 | 2860 | write_count = strlen(data); |
1f590cf9 LL |
2861 | } |
2862 | ||
3949e594 | 2863 | ret = ringbuf_chr_write(chr, write_data, write_count); |
1f590cf9 | 2864 | |
13289fb5 MA |
2865 | if (write_data != (uint8_t *)data) { |
2866 | g_free((void *)write_data); | |
2867 | } | |
2868 | ||
1f590cf9 LL |
2869 | if (ret < 0) { |
2870 | error_setg(errp, "Failed to write to device %s", device); | |
2871 | return; | |
2872 | } | |
2873 | } | |
2874 | ||
3949e594 | 2875 | char *qmp_ringbuf_read(const char *device, int64_t size, |
3ab651fc MA |
2876 | bool has_format, enum DataFormat format, |
2877 | Error **errp) | |
49b6d722 LL |
2878 | { |
2879 | CharDriverState *chr; | |
c4f331b6 | 2880 | uint8_t *read_data; |
49b6d722 | 2881 | size_t count; |
3ab651fc | 2882 | char *data; |
49b6d722 LL |
2883 | |
2884 | chr = qemu_chr_find(device); | |
2885 | if (!chr) { | |
1a69278e | 2886 | error_setg(errp, "Device '%s' not found", device); |
49b6d722 LL |
2887 | return NULL; |
2888 | } | |
2889 | ||
3949e594 MA |
2890 | if (!chr_is_ringbuf(chr)) { |
2891 | error_setg(errp,"%s is not a ringbuf device", device); | |
49b6d722 LL |
2892 | return NULL; |
2893 | } | |
2894 | ||
2895 | if (size <= 0) { | |
2896 | error_setg(errp, "size must be greater than zero"); | |
2897 | return NULL; | |
2898 | } | |
2899 | ||
3949e594 | 2900 | count = ringbuf_count(chr); |
49b6d722 | 2901 | size = size > count ? count : size; |
44f3bcd2 | 2902 | read_data = g_malloc(size + 1); |
49b6d722 | 2903 | |
3949e594 | 2904 | ringbuf_chr_read(chr, read_data, size); |
49b6d722 LL |
2905 | |
2906 | if (has_format && (format == DATA_FORMAT_BASE64)) { | |
3ab651fc | 2907 | data = g_base64_encode(read_data, size); |
13289fb5 | 2908 | g_free(read_data); |
49b6d722 | 2909 | } else { |
3949e594 MA |
2910 | /* |
2911 | * FIXME should read only complete, valid UTF-8 characters up | |
2912 | * to @size bytes. Invalid sequences should be replaced by a | |
2913 | * suitable replacement character. Except when (and only | |
2914 | * when) ring buffer lost characters since last read, initial | |
2915 | * continuation characters should be dropped. | |
2916 | */ | |
44f3bcd2 | 2917 | read_data[size] = 0; |
3ab651fc | 2918 | data = (char *)read_data; |
49b6d722 LL |
2919 | } |
2920 | ||
3ab651fc | 2921 | return data; |
49b6d722 LL |
2922 | } |
2923 | ||
33521634 | 2924 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 2925 | { |
6ea314d9 | 2926 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 2927 | int pos; |
7d31544f | 2928 | const char *p; |
191bc01b | 2929 | QemuOpts *opts; |
8be7e7e4 | 2930 | Error *local_err = NULL; |
191bc01b | 2931 | |
8be7e7e4 LC |
2932 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1, &local_err); |
2933 | if (error_is_set(&local_err)) { | |
2934 | qerror_report_err(local_err); | |
2935 | error_free(local_err); | |
191bc01b | 2936 | return NULL; |
8be7e7e4 | 2937 | } |
191bc01b | 2938 | |
7591c5c1 GH |
2939 | if (strstart(filename, "mon:", &p)) { |
2940 | filename = p; | |
2941 | qemu_opt_set(opts, "mux", "on"); | |
2942 | } | |
2943 | ||
f0457e8d GH |
2944 | if (strcmp(filename, "null") == 0 || |
2945 | strcmp(filename, "pty") == 0 || | |
2946 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 2947 | strcmp(filename, "braille") == 0 || |
f0457e8d | 2948 | strcmp(filename, "stdio") == 0) { |
4490dadf | 2949 | qemu_opt_set(opts, "backend", filename); |
191bc01b GH |
2950 | return opts; |
2951 | } | |
6ea314d9 GH |
2952 | if (strstart(filename, "vc", &p)) { |
2953 | qemu_opt_set(opts, "backend", "vc"); | |
2954 | if (*p == ':') { | |
2955 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { | |
2956 | /* pixels */ | |
2957 | qemu_opt_set(opts, "width", width); | |
2958 | qemu_opt_set(opts, "height", height); | |
2959 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { | |
2960 | /* chars */ | |
2961 | qemu_opt_set(opts, "cols", width); | |
2962 | qemu_opt_set(opts, "rows", height); | |
2963 | } else { | |
2964 | goto fail; | |
2965 | } | |
2966 | } | |
2967 | return opts; | |
2968 | } | |
d6c983cd GH |
2969 | if (strcmp(filename, "con:") == 0) { |
2970 | qemu_opt_set(opts, "backend", "console"); | |
2971 | return opts; | |
2972 | } | |
48b76496 GH |
2973 | if (strstart(filename, "COM", NULL)) { |
2974 | qemu_opt_set(opts, "backend", "serial"); | |
2975 | qemu_opt_set(opts, "path", filename); | |
2976 | return opts; | |
2977 | } | |
7d31544f GH |
2978 | if (strstart(filename, "file:", &p)) { |
2979 | qemu_opt_set(opts, "backend", "file"); | |
2980 | qemu_opt_set(opts, "path", p); | |
2981 | return opts; | |
2982 | } | |
2983 | if (strstart(filename, "pipe:", &p)) { | |
2984 | qemu_opt_set(opts, "backend", "pipe"); | |
2985 | qemu_opt_set(opts, "path", p); | |
2986 | return opts; | |
2987 | } | |
aeb2c47a GH |
2988 | if (strstart(filename, "tcp:", &p) || |
2989 | strstart(filename, "telnet:", &p)) { | |
2990 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2991 | host[0] = 0; | |
2992 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
2993 | goto fail; | |
2994 | } | |
2995 | qemu_opt_set(opts, "backend", "socket"); | |
2996 | qemu_opt_set(opts, "host", host); | |
2997 | qemu_opt_set(opts, "port", port); | |
2998 | if (p[pos] == ',') { | |
2999 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) | |
3000 | goto fail; | |
3001 | } | |
3002 | if (strstart(filename, "telnet:", &p)) | |
3003 | qemu_opt_set(opts, "telnet", "on"); | |
3004 | return opts; | |
3005 | } | |
7e1b35b4 GH |
3006 | if (strstart(filename, "udp:", &p)) { |
3007 | qemu_opt_set(opts, "backend", "udp"); | |
3008 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { | |
3009 | host[0] = 0; | |
39324ca4 | 3010 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
3011 | goto fail; |
3012 | } | |
3013 | } | |
3014 | qemu_opt_set(opts, "host", host); | |
3015 | qemu_opt_set(opts, "port", port); | |
3016 | if (p[pos] == '@') { | |
3017 | p += pos + 1; | |
3018 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3019 | host[0] = 0; | |
3020 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
3021 | goto fail; |
3022 | } | |
3023 | } | |
3024 | qemu_opt_set(opts, "localaddr", host); | |
3025 | qemu_opt_set(opts, "localport", port); | |
3026 | } | |
3027 | return opts; | |
3028 | } | |
aeb2c47a GH |
3029 | if (strstart(filename, "unix:", &p)) { |
3030 | qemu_opt_set(opts, "backend", "socket"); | |
3031 | if (qemu_opts_do_parse(opts, p, "path") != 0) | |
3032 | goto fail; | |
3033 | return opts; | |
3034 | } | |
48b76496 GH |
3035 | if (strstart(filename, "/dev/parport", NULL) || |
3036 | strstart(filename, "/dev/ppi", NULL)) { | |
3037 | qemu_opt_set(opts, "backend", "parport"); | |
3038 | qemu_opt_set(opts, "path", filename); | |
3039 | return opts; | |
3040 | } | |
3041 | if (strstart(filename, "/dev/", NULL)) { | |
3042 | qemu_opt_set(opts, "backend", "tty"); | |
3043 | qemu_opt_set(opts, "path", filename); | |
3044 | return opts; | |
3045 | } | |
191bc01b | 3046 | |
aeb2c47a | 3047 | fail: |
191bc01b GH |
3048 | qemu_opts_del(opts); |
3049 | return NULL; | |
3050 | } | |
3051 | ||
846e2e49 GH |
3052 | static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend, |
3053 | Error **errp) | |
3054 | { | |
3055 | const char *path = qemu_opt_get(opts, "path"); | |
3056 | ||
3057 | if (path == NULL) { | |
3058 | error_setg(errp, "chardev: file: no filename given"); | |
3059 | return; | |
3060 | } | |
3061 | backend->file = g_new0(ChardevFile, 1); | |
3062 | backend->file->out = g_strdup(path); | |
3063 | } | |
3064 | ||
7c358031 GH |
3065 | static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend, |
3066 | Error **errp) | |
3067 | { | |
3068 | backend->stdio = g_new0(ChardevStdio, 1); | |
3069 | backend->stdio->has_signal = true; | |
3070 | backend->stdio->signal = | |
3071 | qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC); | |
3072 | } | |
3073 | ||
0f1cb51d GH |
3074 | static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend, |
3075 | Error **errp) | |
3076 | { | |
3077 | const char *device = qemu_opt_get(opts, "path"); | |
3078 | ||
3079 | if (device == NULL) { | |
3080 | error_setg(errp, "chardev: serial/tty: no device path given"); | |
3081 | return; | |
3082 | } | |
3083 | backend->serial = g_new0(ChardevHostdev, 1); | |
3084 | backend->serial->device = g_strdup(device); | |
3085 | } | |
3086 | ||
dc375097 GH |
3087 | static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend, |
3088 | Error **errp) | |
3089 | { | |
3090 | const char *device = qemu_opt_get(opts, "path"); | |
3091 | ||
3092 | if (device == NULL) { | |
3093 | error_setg(errp, "chardev: parallel: no device path given"); | |
3094 | return; | |
3095 | } | |
3096 | backend->parallel = g_new0(ChardevHostdev, 1); | |
3097 | backend->parallel->device = g_strdup(device); | |
3098 | } | |
3099 | ||
548cbb36 GH |
3100 | static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend, |
3101 | Error **errp) | |
3102 | { | |
3103 | const char *device = qemu_opt_get(opts, "path"); | |
3104 | ||
3105 | if (device == NULL) { | |
3106 | error_setg(errp, "chardev: pipe: no device path given"); | |
3107 | return; | |
3108 | } | |
3109 | backend->pipe = g_new0(ChardevHostdev, 1); | |
3110 | backend->pipe->device = g_strdup(device); | |
3111 | } | |
3112 | ||
1da48c65 GH |
3113 | static void qemu_chr_parse_ringbuf(QemuOpts *opts, ChardevBackend *backend, |
3114 | Error **errp) | |
3115 | { | |
3116 | int val; | |
3117 | ||
3118 | backend->memory = g_new0(ChardevRingbuf, 1); | |
3119 | ||
3120 | val = qemu_opt_get_number(opts, "size", 0); | |
3121 | if (val != 0) { | |
3122 | backend->memory->has_size = true; | |
3123 | backend->memory->size = val; | |
3124 | } | |
3125 | } | |
3126 | ||
d654f34e | 3127 | typedef struct CharDriver { |
191bc01b | 3128 | const char *name; |
2c5f4882 | 3129 | /* old, pre qapi */ |
1f51470d | 3130 | CharDriverState *(*open)(QemuOpts *opts); |
2c5f4882 GH |
3131 | /* new, qapi-based */ |
3132 | int kind; | |
3133 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp); | |
d654f34e AL |
3134 | } CharDriver; |
3135 | ||
3136 | static GSList *backends; | |
3137 | ||
3138 | void register_char_driver(const char *name, CharDriverState *(*open)(QemuOpts *)) | |
3139 | { | |
3140 | CharDriver *s; | |
3141 | ||
3142 | s = g_malloc0(sizeof(*s)); | |
3143 | s->name = g_strdup(name); | |
3144 | s->open = open; | |
3145 | ||
3146 | backends = g_slist_append(backends, s); | |
3147 | } | |
191bc01b | 3148 | |
2c5f4882 GH |
3149 | void register_char_driver_qapi(const char *name, int kind, |
3150 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp)) | |
3151 | { | |
3152 | CharDriver *s; | |
3153 | ||
3154 | s = g_malloc0(sizeof(*s)); | |
3155 | s->name = g_strdup(name); | |
3156 | s->kind = kind; | |
3157 | s->parse = parse; | |
3158 | ||
3159 | backends = g_slist_append(backends, s); | |
3160 | } | |
3161 | ||
f69554b9 | 3162 | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, |
bd2d80b2 GH |
3163 | void (*init)(struct CharDriverState *s), |
3164 | Error **errp) | |
191bc01b | 3165 | { |
d654f34e | 3166 | CharDriver *cd; |
191bc01b | 3167 | CharDriverState *chr; |
d654f34e | 3168 | GSList *i; |
191bc01b GH |
3169 | |
3170 | if (qemu_opts_id(opts) == NULL) { | |
312fd5f2 | 3171 | error_setg(errp, "chardev: no id specified"); |
2274ae9d | 3172 | goto err; |
191bc01b GH |
3173 | } |
3174 | ||
1bbd185f | 3175 | if (qemu_opt_get(opts, "backend") == NULL) { |
312fd5f2 | 3176 | error_setg(errp, "chardev: \"%s\" missing backend", |
bd2d80b2 | 3177 | qemu_opts_id(opts)); |
2274ae9d | 3178 | goto err; |
1bbd185f | 3179 | } |
d654f34e AL |
3180 | for (i = backends; i; i = i->next) { |
3181 | cd = i->data; | |
3182 | ||
3183 | if (strcmp(cd->name, qemu_opt_get(opts, "backend")) == 0) { | |
191bc01b | 3184 | break; |
d654f34e | 3185 | } |
191bc01b | 3186 | } |
d654f34e | 3187 | if (i == NULL) { |
312fd5f2 | 3188 | error_setg(errp, "chardev: backend \"%s\" not found", |
bd2d80b2 | 3189 | qemu_opt_get(opts, "backend")); |
d654f34e | 3190 | return NULL; |
191bc01b GH |
3191 | } |
3192 | ||
2c5f4882 GH |
3193 | if (!cd->open) { |
3194 | /* using new, qapi init */ | |
3195 | ChardevBackend *backend = g_new0(ChardevBackend, 1); | |
3196 | ChardevReturn *ret = NULL; | |
3197 | const char *id = qemu_opts_id(opts); | |
edb2fb3c GH |
3198 | const char *bid = NULL; |
3199 | ||
3200 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
3201 | bid = g_strdup_printf("%s-base", id); | |
3202 | } | |
2c5f4882 GH |
3203 | |
3204 | chr = NULL; | |
3205 | backend->kind = cd->kind; | |
3206 | if (cd->parse) { | |
3207 | cd->parse(opts, backend, errp); | |
3208 | if (error_is_set(errp)) { | |
3209 | goto qapi_out; | |
3210 | } | |
3211 | } | |
edb2fb3c | 3212 | ret = qmp_chardev_add(bid ? bid : id, backend, errp); |
2c5f4882 GH |
3213 | if (error_is_set(errp)) { |
3214 | goto qapi_out; | |
3215 | } | |
edb2fb3c GH |
3216 | |
3217 | if (bid) { | |
3218 | qapi_free_ChardevBackend(backend); | |
3219 | qapi_free_ChardevReturn(ret); | |
3220 | backend = g_new0(ChardevBackend, 1); | |
3221 | backend->mux = g_new0(ChardevMux, 1); | |
3222 | backend->kind = CHARDEV_BACKEND_KIND_MUX; | |
3223 | backend->mux->chardev = g_strdup(bid); | |
3224 | ret = qmp_chardev_add(id, backend, errp); | |
3225 | if (error_is_set(errp)) { | |
3226 | goto qapi_out; | |
3227 | } | |
3228 | } | |
3229 | ||
2c5f4882 GH |
3230 | chr = qemu_chr_find(id); |
3231 | ||
3232 | qapi_out: | |
3233 | qapi_free_ChardevBackend(backend); | |
3234 | qapi_free_ChardevReturn(ret); | |
3235 | return chr; | |
3236 | } | |
3237 | ||
d654f34e | 3238 | chr = cd->open(opts); |
1f51470d | 3239 | if (!chr) { |
312fd5f2 | 3240 | error_setg(errp, "chardev: opening backend \"%s\" failed", |
bd2d80b2 | 3241 | qemu_opt_get(opts, "backend")); |
2274ae9d | 3242 | goto err; |
191bc01b GH |
3243 | } |
3244 | ||
3245 | if (!chr->filename) | |
7267c094 | 3246 | chr->filename = g_strdup(qemu_opt_get(opts, "backend")); |
191bc01b | 3247 | chr->init = init; |
252a7c6e MR |
3248 | /* if we didn't create the chardev via qmp_chardev_add, we |
3249 | * need to send the OPENED event here | |
3250 | */ | |
3251 | if (!chr->explicit_be_open) { | |
3252 | qemu_chr_be_event(chr, CHR_EVENT_OPENED); | |
3253 | } | |
72cf2d4f | 3254 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
7591c5c1 GH |
3255 | |
3256 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
3257 | CharDriverState *base = chr; | |
3258 | int len = strlen(qemu_opts_id(opts)) + 6; | |
7267c094 | 3259 | base->label = g_malloc(len); |
7591c5c1 GH |
3260 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); |
3261 | chr = qemu_chr_open_mux(base); | |
3262 | chr->filename = base->filename; | |
d5b27167 | 3263 | chr->avail_connections = MAX_MUX; |
72cf2d4f | 3264 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
d5b27167 KK |
3265 | } else { |
3266 | chr->avail_connections = 1; | |
7591c5c1 | 3267 | } |
7267c094 | 3268 | chr->label = g_strdup(qemu_opts_id(opts)); |
2274ae9d | 3269 | chr->opts = opts; |
191bc01b | 3270 | return chr; |
2274ae9d GH |
3271 | |
3272 | err: | |
3273 | qemu_opts_del(opts); | |
3274 | return NULL; | |
191bc01b GH |
3275 | } |
3276 | ||
27143a44 | 3277 | CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
3278 | { |
3279 | const char *p; | |
3280 | CharDriverState *chr; | |
191bc01b | 3281 | QemuOpts *opts; |
bd2d80b2 | 3282 | Error *err = NULL; |
191bc01b | 3283 | |
c845f401 GH |
3284 | if (strstart(filename, "chardev:", &p)) { |
3285 | return qemu_chr_find(p); | |
3286 | } | |
3287 | ||
191bc01b | 3288 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
3289 | if (!opts) |
3290 | return NULL; | |
6f97dba0 | 3291 | |
bd2d80b2 GH |
3292 | chr = qemu_chr_new_from_opts(opts, init, &err); |
3293 | if (error_is_set(&err)) { | |
3294 | fprintf(stderr, "%s\n", error_get_pretty(err)); | |
3295 | error_free(err); | |
3296 | } | |
7e1b35b4 | 3297 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
456d6069 | 3298 | qemu_chr_fe_claim_no_fail(chr); |
7e1b35b4 | 3299 | monitor_init(chr, MONITOR_USE_READLINE); |
6f97dba0 AL |
3300 | } |
3301 | return chr; | |
3302 | } | |
3303 | ||
15f31519 | 3304 | void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) |
c48855e1 PB |
3305 | { |
3306 | if (chr->chr_set_echo) { | |
3307 | chr->chr_set_echo(chr, echo); | |
3308 | } | |
3309 | } | |
3310 | ||
8e25daa8 | 3311 | void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open) |
7c32c4fe | 3312 | { |
8e25daa8 | 3313 | if (chr->fe_open == fe_open) { |
c0c4bd2c HG |
3314 | return; |
3315 | } | |
8e25daa8 | 3316 | chr->fe_open = fe_open; |
574b711a HG |
3317 | if (chr->chr_set_fe_open) { |
3318 | chr->chr_set_fe_open(chr, fe_open); | |
7c32c4fe HG |
3319 | } |
3320 | } | |
3321 | ||
2c8a5942 KW |
3322 | int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond, |
3323 | GIOFunc func, void *user_data) | |
23673ca7 AL |
3324 | { |
3325 | GSource *src; | |
3326 | guint tag; | |
3327 | ||
3328 | if (s->chr_add_watch == NULL) { | |
3329 | return -ENOSYS; | |
3330 | } | |
3331 | ||
3332 | src = s->chr_add_watch(s, cond); | |
3333 | g_source_set_callback(src, (GSourceFunc)func, user_data, NULL); | |
3334 | tag = g_source_attach(src, NULL); | |
3335 | g_source_unref(src); | |
3336 | ||
3337 | return tag; | |
3338 | } | |
3339 | ||
44c473de HG |
3340 | int qemu_chr_fe_claim(CharDriverState *s) |
3341 | { | |
3342 | if (s->avail_connections < 1) { | |
3343 | return -1; | |
3344 | } | |
3345 | s->avail_connections--; | |
3346 | return 0; | |
3347 | } | |
3348 | ||
3349 | void qemu_chr_fe_claim_no_fail(CharDriverState *s) | |
3350 | { | |
3351 | if (qemu_chr_fe_claim(s) != 0) { | |
3352 | fprintf(stderr, "%s: error chardev \"%s\" already used\n", | |
3353 | __func__, s->label); | |
3354 | exit(1); | |
3355 | } | |
3356 | } | |
3357 | ||
3358 | void qemu_chr_fe_release(CharDriverState *s) | |
3359 | { | |
3360 | s->avail_connections++; | |
3361 | } | |
3362 | ||
70f24fb6 | 3363 | void qemu_chr_delete(CharDriverState *chr) |
6f97dba0 | 3364 | { |
72cf2d4f | 3365 | QTAILQ_REMOVE(&chardevs, chr, next); |
2274ae9d | 3366 | if (chr->chr_close) { |
6f97dba0 | 3367 | chr->chr_close(chr); |
2274ae9d | 3368 | } |
7267c094 AL |
3369 | g_free(chr->filename); |
3370 | g_free(chr->label); | |
2274ae9d GH |
3371 | if (chr->opts) { |
3372 | qemu_opts_del(chr->opts); | |
3373 | } | |
7267c094 | 3374 | g_free(chr); |
6f97dba0 AL |
3375 | } |
3376 | ||
c5a415a0 | 3377 | ChardevInfoList *qmp_query_chardev(Error **errp) |
6f97dba0 | 3378 | { |
c5a415a0 | 3379 | ChardevInfoList *chr_list = NULL; |
6f97dba0 AL |
3380 | CharDriverState *chr; |
3381 | ||
72cf2d4f | 3382 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c5a415a0 LC |
3383 | ChardevInfoList *info = g_malloc0(sizeof(*info)); |
3384 | info->value = g_malloc0(sizeof(*info->value)); | |
3385 | info->value->label = g_strdup(chr->label); | |
3386 | info->value->filename = g_strdup(chr->filename); | |
3387 | ||
3388 | info->next = chr_list; | |
3389 | chr_list = info; | |
6f97dba0 | 3390 | } |
588b3832 | 3391 | |
c5a415a0 | 3392 | return chr_list; |
6f97dba0 | 3393 | } |
c845f401 GH |
3394 | |
3395 | CharDriverState *qemu_chr_find(const char *name) | |
3396 | { | |
3397 | CharDriverState *chr; | |
3398 | ||
72cf2d4f | 3399 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
3400 | if (strcmp(chr->label, name) != 0) |
3401 | continue; | |
3402 | return chr; | |
3403 | } | |
3404 | return NULL; | |
3405 | } | |
0beb4942 AL |
3406 | |
3407 | /* Get a character (serial) device interface. */ | |
3408 | CharDriverState *qemu_char_get_next_serial(void) | |
3409 | { | |
3410 | static int next_serial; | |
456d6069 | 3411 | CharDriverState *chr; |
0beb4942 AL |
3412 | |
3413 | /* FIXME: This function needs to go away: use chardev properties! */ | |
456d6069 HG |
3414 | |
3415 | while (next_serial < MAX_SERIAL_PORTS && serial_hds[next_serial]) { | |
3416 | chr = serial_hds[next_serial++]; | |
3417 | qemu_chr_fe_claim_no_fail(chr); | |
3418 | return chr; | |
3419 | } | |
3420 | return NULL; | |
0beb4942 AL |
3421 | } |
3422 | ||
4d454574 PB |
3423 | QemuOptsList qemu_chardev_opts = { |
3424 | .name = "chardev", | |
3425 | .implied_opt_name = "backend", | |
3426 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), | |
3427 | .desc = { | |
3428 | { | |
3429 | .name = "backend", | |
3430 | .type = QEMU_OPT_STRING, | |
3431 | },{ | |
3432 | .name = "path", | |
3433 | .type = QEMU_OPT_STRING, | |
3434 | },{ | |
3435 | .name = "host", | |
3436 | .type = QEMU_OPT_STRING, | |
3437 | },{ | |
3438 | .name = "port", | |
3439 | .type = QEMU_OPT_STRING, | |
3440 | },{ | |
3441 | .name = "localaddr", | |
3442 | .type = QEMU_OPT_STRING, | |
3443 | },{ | |
3444 | .name = "localport", | |
3445 | .type = QEMU_OPT_STRING, | |
3446 | },{ | |
3447 | .name = "to", | |
3448 | .type = QEMU_OPT_NUMBER, | |
3449 | },{ | |
3450 | .name = "ipv4", | |
3451 | .type = QEMU_OPT_BOOL, | |
3452 | },{ | |
3453 | .name = "ipv6", | |
3454 | .type = QEMU_OPT_BOOL, | |
3455 | },{ | |
3456 | .name = "wait", | |
3457 | .type = QEMU_OPT_BOOL, | |
3458 | },{ | |
3459 | .name = "server", | |
3460 | .type = QEMU_OPT_BOOL, | |
3461 | },{ | |
3462 | .name = "delay", | |
3463 | .type = QEMU_OPT_BOOL, | |
3464 | },{ | |
3465 | .name = "telnet", | |
3466 | .type = QEMU_OPT_BOOL, | |
3467 | },{ | |
3468 | .name = "width", | |
3469 | .type = QEMU_OPT_NUMBER, | |
3470 | },{ | |
3471 | .name = "height", | |
3472 | .type = QEMU_OPT_NUMBER, | |
3473 | },{ | |
3474 | .name = "cols", | |
3475 | .type = QEMU_OPT_NUMBER, | |
3476 | },{ | |
3477 | .name = "rows", | |
3478 | .type = QEMU_OPT_NUMBER, | |
3479 | },{ | |
3480 | .name = "mux", | |
3481 | .type = QEMU_OPT_BOOL, | |
3482 | },{ | |
3483 | .name = "signal", | |
3484 | .type = QEMU_OPT_BOOL, | |
3485 | },{ | |
3486 | .name = "name", | |
3487 | .type = QEMU_OPT_STRING, | |
3488 | },{ | |
3489 | .name = "debug", | |
3490 | .type = QEMU_OPT_NUMBER, | |
51767e7c | 3491 | },{ |
3949e594 | 3492 | .name = "size", |
de1cc36e | 3493 | .type = QEMU_OPT_SIZE, |
4d454574 PB |
3494 | }, |
3495 | { /* end of list */ } | |
3496 | }, | |
3497 | }; | |
f1a1a356 | 3498 | |
ffbdbe59 GH |
3499 | #ifdef _WIN32 |
3500 | ||
3501 | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) | |
3502 | { | |
3503 | HANDLE out; | |
3504 | ||
3505 | if (file->in) { | |
3506 | error_setg(errp, "input file not supported"); | |
3507 | return NULL; | |
3508 | } | |
3509 | ||
3510 | out = CreateFile(file->out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
3511 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
3512 | if (out == INVALID_HANDLE_VALUE) { | |
3513 | error_setg(errp, "open %s failed", file->out); | |
3514 | return NULL; | |
3515 | } | |
3516 | return qemu_chr_open_win_file(out); | |
3517 | } | |
3518 | ||
d36b2b90 MA |
3519 | static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial, |
3520 | Error **errp) | |
d59044ef | 3521 | { |
d36b2b90 MA |
3522 | return qemu_chr_open_win_path(serial->device); |
3523 | } | |
3524 | ||
3525 | static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel, | |
3526 | Error **errp) | |
3527 | { | |
3528 | error_setg(errp, "character device backend type 'parallel' not supported"); | |
3529 | return NULL; | |
d59044ef GH |
3530 | } |
3531 | ||
ffbdbe59 GH |
3532 | #else /* WIN32 */ |
3533 | ||
3534 | static int qmp_chardev_open_file_source(char *src, int flags, | |
3535 | Error **errp) | |
3536 | { | |
3537 | int fd = -1; | |
3538 | ||
3539 | TFR(fd = qemu_open(src, flags, 0666)); | |
3540 | if (fd == -1) { | |
3541 | error_setg(errp, "open %s: %s", src, strerror(errno)); | |
3542 | } | |
3543 | return fd; | |
3544 | } | |
3545 | ||
3546 | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) | |
3547 | { | |
3548 | int flags, in = -1, out = -1; | |
3549 | ||
3550 | flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY; | |
3551 | out = qmp_chardev_open_file_source(file->out, flags, errp); | |
3552 | if (error_is_set(errp)) { | |
3553 | return NULL; | |
3554 | } | |
3555 | ||
3556 | if (file->in) { | |
3557 | flags = O_RDONLY; | |
3558 | in = qmp_chardev_open_file_source(file->in, flags, errp); | |
3559 | if (error_is_set(errp)) { | |
3560 | qemu_close(out); | |
3561 | return NULL; | |
3562 | } | |
3563 | } | |
3564 | ||
3565 | return qemu_chr_open_fd(in, out); | |
3566 | } | |
3567 | ||
d36b2b90 MA |
3568 | static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial, |
3569 | Error **errp) | |
d59044ef | 3570 | { |
d59044ef | 3571 | #ifdef HAVE_CHARDEV_TTY |
d36b2b90 MA |
3572 | int fd; |
3573 | ||
3574 | fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp); | |
3575 | if (error_is_set(errp)) { | |
3576 | return NULL; | |
39099991 | 3577 | } |
f9e8cacc | 3578 | qemu_set_nonblock(fd); |
d36b2b90 MA |
3579 | return qemu_chr_open_tty_fd(fd); |
3580 | #else | |
3581 | error_setg(errp, "character device backend type 'serial' not supported"); | |
3582 | return NULL; | |
88a946d3 | 3583 | #endif |
d36b2b90 MA |
3584 | } |
3585 | ||
3586 | static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel, | |
3587 | Error **errp) | |
3588 | { | |
88a946d3 | 3589 | #ifdef HAVE_CHARDEV_PARPORT |
d36b2b90 MA |
3590 | int fd; |
3591 | ||
3592 | fd = qmp_chardev_open_file_source(parallel->device, O_RDWR, errp); | |
3593 | if (error_is_set(errp)) { | |
d59044ef GH |
3594 | return NULL; |
3595 | } | |
d36b2b90 MA |
3596 | return qemu_chr_open_pp_fd(fd); |
3597 | #else | |
3598 | error_setg(errp, "character device backend type 'parallel' not supported"); | |
3599 | return NULL; | |
3600 | #endif | |
d59044ef GH |
3601 | } |
3602 | ||
ffbdbe59 GH |
3603 | #endif /* WIN32 */ |
3604 | ||
f6bd5d6e GH |
3605 | static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock, |
3606 | Error **errp) | |
3607 | { | |
3608 | SocketAddress *addr = sock->addr; | |
3609 | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; | |
3610 | bool is_listen = sock->has_server ? sock->server : true; | |
3611 | bool is_telnet = sock->has_telnet ? sock->telnet : false; | |
3612 | bool is_waitconnect = sock->has_wait ? sock->wait : false; | |
3613 | int fd; | |
3614 | ||
3615 | if (is_listen) { | |
3616 | fd = socket_listen(addr, errp); | |
3617 | } else { | |
3618 | fd = socket_connect(addr, errp, NULL, NULL); | |
3619 | } | |
3620 | if (error_is_set(errp)) { | |
3621 | return NULL; | |
3622 | } | |
3623 | return qemu_chr_open_socket_fd(fd, do_nodelay, is_listen, | |
3624 | is_telnet, is_waitconnect, errp); | |
3625 | } | |
3626 | ||
08d0ab3f LL |
3627 | static CharDriverState *qmp_chardev_open_udp(ChardevUdp *udp, |
3628 | Error **errp) | |
3ecc059d GH |
3629 | { |
3630 | int fd; | |
3631 | ||
08d0ab3f | 3632 | fd = socket_dgram(udp->remote, udp->local, errp); |
3ecc059d GH |
3633 | if (error_is_set(errp)) { |
3634 | return NULL; | |
3635 | } | |
3636 | return qemu_chr_open_udp_fd(fd); | |
3637 | } | |
3638 | ||
f1a1a356 GH |
3639 | ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, |
3640 | Error **errp) | |
3641 | { | |
3642 | ChardevReturn *ret = g_new0(ChardevReturn, 1); | |
edb2fb3c | 3643 | CharDriverState *base, *chr = NULL; |
f1a1a356 GH |
3644 | |
3645 | chr = qemu_chr_find(id); | |
3646 | if (chr) { | |
3647 | error_setg(errp, "Chardev '%s' already exists", id); | |
3648 | g_free(ret); | |
3649 | return NULL; | |
3650 | } | |
3651 | ||
3652 | switch (backend->kind) { | |
ffbdbe59 GH |
3653 | case CHARDEV_BACKEND_KIND_FILE: |
3654 | chr = qmp_chardev_open_file(backend->file, errp); | |
3655 | break; | |
d36b2b90 MA |
3656 | case CHARDEV_BACKEND_KIND_SERIAL: |
3657 | chr = qmp_chardev_open_serial(backend->serial, errp); | |
3658 | break; | |
3659 | case CHARDEV_BACKEND_KIND_PARALLEL: | |
3660 | chr = qmp_chardev_open_parallel(backend->parallel, errp); | |
d59044ef | 3661 | break; |
548cbb36 GH |
3662 | case CHARDEV_BACKEND_KIND_PIPE: |
3663 | chr = qemu_chr_open_pipe(backend->pipe); | |
3664 | break; | |
f6bd5d6e GH |
3665 | case CHARDEV_BACKEND_KIND_SOCKET: |
3666 | chr = qmp_chardev_open_socket(backend->socket, errp); | |
3667 | break; | |
08d0ab3f LL |
3668 | case CHARDEV_BACKEND_KIND_UDP: |
3669 | chr = qmp_chardev_open_udp(backend->udp, errp); | |
3ecc059d | 3670 | break; |
0a1a7fab GH |
3671 | #ifdef HAVE_CHARDEV_TTY |
3672 | case CHARDEV_BACKEND_KIND_PTY: | |
e68c5958 | 3673 | chr = qemu_chr_open_pty(id, ret); |
0a1a7fab | 3674 | break; |
0a1a7fab | 3675 | #endif |
f1a1a356 | 3676 | case CHARDEV_BACKEND_KIND_NULL: |
80dca9e6 | 3677 | chr = qemu_chr_open_null(); |
f1a1a356 | 3678 | break; |
edb2fb3c GH |
3679 | case CHARDEV_BACKEND_KIND_MUX: |
3680 | base = qemu_chr_find(backend->mux->chardev); | |
3681 | if (base == NULL) { | |
3682 | error_setg(errp, "mux: base chardev %s not found", | |
3683 | backend->mux->chardev); | |
3684 | break; | |
3685 | } | |
3686 | chr = qemu_chr_open_mux(base); | |
3687 | break; | |
f5a51cab GH |
3688 | case CHARDEV_BACKEND_KIND_MSMOUSE: |
3689 | chr = qemu_chr_open_msmouse(); | |
3690 | break; | |
2d57286d GH |
3691 | #ifdef CONFIG_BRLAPI |
3692 | case CHARDEV_BACKEND_KIND_BRAILLE: | |
3693 | chr = chr_baum_init(); | |
3694 | break; | |
3695 | #endif | |
7c358031 GH |
3696 | case CHARDEV_BACKEND_KIND_STDIO: |
3697 | chr = qemu_chr_open_stdio(backend->stdio); | |
3698 | break; | |
d9ac374f GH |
3699 | #ifdef _WIN32 |
3700 | case CHARDEV_BACKEND_KIND_CONSOLE: | |
3701 | chr = qemu_chr_open_win_con(); | |
3702 | break; | |
cd153e2a GH |
3703 | #endif |
3704 | #ifdef CONFIG_SPICE | |
3705 | case CHARDEV_BACKEND_KIND_SPICEVMC: | |
3706 | chr = qemu_chr_open_spice_vmc(backend->spicevmc->type); | |
3707 | break; | |
3708 | case CHARDEV_BACKEND_KIND_SPICEPORT: | |
3709 | chr = qemu_chr_open_spice_port(backend->spiceport->fqdn); | |
3710 | break; | |
d9ac374f | 3711 | #endif |
702ec69c GH |
3712 | case CHARDEV_BACKEND_KIND_VC: |
3713 | chr = vc_init(backend->vc); | |
3714 | break; | |
1da48c65 GH |
3715 | case CHARDEV_BACKEND_KIND_MEMORY: |
3716 | chr = qemu_chr_open_ringbuf(backend->memory, errp); | |
3717 | break; | |
f1a1a356 GH |
3718 | default: |
3719 | error_setg(errp, "unknown chardev backend (%d)", backend->kind); | |
3720 | break; | |
3721 | } | |
3722 | ||
3723 | if (chr == NULL && !error_is_set(errp)) { | |
3724 | error_setg(errp, "Failed to create chardev"); | |
3725 | } | |
3726 | if (chr) { | |
3727 | chr->label = g_strdup(id); | |
edb2fb3c GH |
3728 | chr->avail_connections = |
3729 | (backend->kind == CHARDEV_BACKEND_KIND_MUX) ? MAX_MUX : 1; | |
ddaa83ee GH |
3730 | if (!chr->filename) { |
3731 | chr->filename = g_strdup(ChardevBackendKind_lookup[backend->kind]); | |
3732 | } | |
252a7c6e MR |
3733 | if (!chr->explicit_be_open) { |
3734 | qemu_chr_be_event(chr, CHR_EVENT_OPENED); | |
3735 | } | |
f1a1a356 GH |
3736 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
3737 | return ret; | |
3738 | } else { | |
3739 | g_free(ret); | |
3740 | return NULL; | |
3741 | } | |
3742 | } | |
3743 | ||
3744 | void qmp_chardev_remove(const char *id, Error **errp) | |
3745 | { | |
3746 | CharDriverState *chr; | |
3747 | ||
3748 | chr = qemu_chr_find(id); | |
3749 | if (NULL == chr) { | |
3750 | error_setg(errp, "Chardev '%s' not found", id); | |
3751 | return; | |
3752 | } | |
3753 | if (chr->chr_can_read || chr->chr_read || | |
3754 | chr->chr_event || chr->handler_opaque) { | |
3755 | error_setg(errp, "Chardev '%s' is busy", id); | |
3756 | return; | |
3757 | } | |
3758 | qemu_chr_delete(chr); | |
3759 | } | |
d654f34e AL |
3760 | |
3761 | static void register_types(void) | |
3762 | { | |
80dca9e6 | 3763 | register_char_driver_qapi("null", CHARDEV_BACKEND_KIND_NULL, NULL); |
d654f34e AL |
3764 | register_char_driver("socket", qemu_chr_open_socket); |
3765 | register_char_driver("udp", qemu_chr_open_udp); | |
1da48c65 GH |
3766 | register_char_driver_qapi("memory", CHARDEV_BACKEND_KIND_MEMORY, |
3767 | qemu_chr_parse_ringbuf); | |
846e2e49 GH |
3768 | register_char_driver_qapi("file", CHARDEV_BACKEND_KIND_FILE, |
3769 | qemu_chr_parse_file_out); | |
7c358031 GH |
3770 | register_char_driver_qapi("stdio", CHARDEV_BACKEND_KIND_STDIO, |
3771 | qemu_chr_parse_stdio); | |
0f1cb51d GH |
3772 | register_char_driver_qapi("serial", CHARDEV_BACKEND_KIND_SERIAL, |
3773 | qemu_chr_parse_serial); | |
3774 | register_char_driver_qapi("tty", CHARDEV_BACKEND_KIND_SERIAL, | |
3775 | qemu_chr_parse_serial); | |
dc375097 GH |
3776 | register_char_driver_qapi("parallel", CHARDEV_BACKEND_KIND_PARALLEL, |
3777 | qemu_chr_parse_parallel); | |
3778 | register_char_driver_qapi("parport", CHARDEV_BACKEND_KIND_PARALLEL, | |
3779 | qemu_chr_parse_parallel); | |
e68c5958 | 3780 | register_char_driver_qapi("pty", CHARDEV_BACKEND_KIND_PTY, NULL); |
d9ac374f | 3781 | register_char_driver_qapi("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL); |
548cbb36 GH |
3782 | register_char_driver_qapi("pipe", CHARDEV_BACKEND_KIND_PIPE, |
3783 | qemu_chr_parse_pipe); | |
d654f34e AL |
3784 | } |
3785 | ||
3786 | type_init(register_types); |