]>
Commit | Line | Data |
---|---|---|
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" |
927d4878 | 29 | #include "char/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> |
a167ba50 AJ |
56 | #if defined(__GLIBC__) |
57 | #include <pty.h> | |
3294ce18 MT |
58 | #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
59 | #include <libutil.h> | |
60 | #else | |
61 | #include <util.h> | |
a167ba50 | 62 | #endif |
3294ce18 MT |
63 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
64 | #include <dev/ppbus/ppi.h> | |
65 | #include <dev/ppbus/ppbconf.h> | |
c5e97233 | 66 | #elif defined(__DragonFly__) |
c5e97233 BS |
67 | #include <dev/misc/ppi/ppi.h> |
68 | #include <bus/ppbus/ppbconf.h> | |
6f97dba0 | 69 | #endif |
bbe813a2 | 70 | #else |
6f97dba0 | 71 | #ifdef __linux__ |
6f97dba0 AL |
72 | #include <pty.h> |
73 | ||
74 | #include <linux/ppdev.h> | |
75 | #include <linux/parport.h> | |
76 | #endif | |
77 | #ifdef __sun__ | |
78 | #include <sys/stat.h> | |
79 | #include <sys/ethernet.h> | |
80 | #include <sys/sockio.h> | |
81 | #include <netinet/arp.h> | |
82 | #include <netinet/in.h> | |
83 | #include <netinet/in_systm.h> | |
84 | #include <netinet/ip.h> | |
85 | #include <netinet/ip_icmp.h> // must come after ip.h | |
86 | #include <netinet/udp.h> | |
87 | #include <netinet/tcp.h> | |
88 | #include <net/if.h> | |
89 | #include <syslog.h> | |
90 | #include <stropts.h> | |
91 | #endif | |
92 | #endif | |
93 | #endif | |
94 | ||
1de7afc9 | 95 | #include "qemu/sockets.h" |
cbcc6336 | 96 | #include "ui/qemu-spice.h" |
6f97dba0 | 97 | |
9bd7854e AS |
98 | #define READ_BUF_LEN 4096 |
99 | ||
6f97dba0 AL |
100 | /***********************************************************/ |
101 | /* character device */ | |
102 | ||
72cf2d4f BS |
103 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
104 | QTAILQ_HEAD_INITIALIZER(chardevs); | |
2970a6c9 | 105 | |
a425d23f | 106 | void qemu_chr_be_event(CharDriverState *s, int event) |
6f97dba0 | 107 | { |
73cdf3f2 AG |
108 | /* Keep track if the char device is open */ |
109 | switch (event) { | |
110 | case CHR_EVENT_OPENED: | |
16665b94 | 111 | s->be_open = 1; |
73cdf3f2 AG |
112 | break; |
113 | case CHR_EVENT_CLOSED: | |
16665b94 | 114 | s->be_open = 0; |
73cdf3f2 AG |
115 | break; |
116 | } | |
117 | ||
6f97dba0 AL |
118 | if (!s->chr_event) |
119 | return; | |
120 | s->chr_event(s->handler_opaque, event); | |
121 | } | |
122 | ||
fee204fd | 123 | static gboolean qemu_chr_be_generic_open_bh(gpointer opaque) |
6f97dba0 AL |
124 | { |
125 | CharDriverState *s = opaque; | |
a425d23f | 126 | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
9f939df9 AL |
127 | s->idle_tag = 0; |
128 | return FALSE; | |
6f97dba0 AL |
129 | } |
130 | ||
fee204fd | 131 | void qemu_chr_be_generic_open(CharDriverState *s) |
6f97dba0 | 132 | { |
9f939df9 | 133 | if (s->idle_tag == 0) { |
fee204fd | 134 | s->idle_tag = g_idle_add(qemu_chr_be_generic_open_bh, s); |
6f97dba0 AL |
135 | } |
136 | } | |
137 | ||
2cc6e0a1 | 138 | int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len) |
6f97dba0 AL |
139 | { |
140 | return s->chr_write(s, buf, len); | |
141 | } | |
142 | ||
cd18720a AL |
143 | int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len) |
144 | { | |
145 | int offset = 0; | |
146 | int res; | |
147 | ||
148 | while (offset < len) { | |
149 | do { | |
150 | res = s->chr_write(s, buf + offset, len - offset); | |
151 | if (res == -1 && errno == EAGAIN) { | |
152 | g_usleep(100); | |
153 | } | |
154 | } while (res == -1 && errno == EAGAIN); | |
155 | ||
156 | if (res == 0) { | |
157 | break; | |
158 | } | |
159 | ||
160 | if (res < 0) { | |
161 | return res; | |
162 | } | |
163 | ||
164 | offset += res; | |
165 | } | |
166 | ||
167 | return offset; | |
168 | } | |
169 | ||
41084f1b | 170 | int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg) |
6f97dba0 AL |
171 | { |
172 | if (!s->chr_ioctl) | |
173 | return -ENOTSUP; | |
174 | return s->chr_ioctl(s, cmd, arg); | |
175 | } | |
176 | ||
909cda12 | 177 | int qemu_chr_be_can_write(CharDriverState *s) |
6f97dba0 AL |
178 | { |
179 | if (!s->chr_can_read) | |
180 | return 0; | |
181 | return s->chr_can_read(s->handler_opaque); | |
182 | } | |
183 | ||
fa5efccb | 184 | void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) |
6f97dba0 | 185 | { |
ac310734 SW |
186 | if (s->chr_read) { |
187 | s->chr_read(s->handler_opaque, buf, len); | |
188 | } | |
6f97dba0 AL |
189 | } |
190 | ||
74c0d6f0 | 191 | int qemu_chr_fe_get_msgfd(CharDriverState *s) |
7d174059 MM |
192 | { |
193 | return s->get_msgfd ? s->get_msgfd(s) : -1; | |
194 | } | |
195 | ||
13661089 DB |
196 | int qemu_chr_add_client(CharDriverState *s, int fd) |
197 | { | |
198 | return s->chr_add_client ? s->chr_add_client(s, fd) : -1; | |
199 | } | |
200 | ||
6f97dba0 AL |
201 | void qemu_chr_accept_input(CharDriverState *s) |
202 | { | |
203 | if (s->chr_accept_input) | |
204 | s->chr_accept_input(s); | |
98c8ee1d | 205 | qemu_notify_event(); |
6f97dba0 AL |
206 | } |
207 | ||
e7e71b0e | 208 | void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) |
6f97dba0 | 209 | { |
9bd7854e | 210 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
211 | va_list ap; |
212 | va_start(ap, fmt); | |
213 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
2cc6e0a1 | 214 | qemu_chr_fe_write(s, (uint8_t *)buf, strlen(buf)); |
6f97dba0 AL |
215 | va_end(ap); |
216 | } | |
217 | ||
6f97dba0 | 218 | void qemu_chr_add_handlers(CharDriverState *s, |
7b27a769 | 219 | IOCanReadHandler *fd_can_read, |
6f97dba0 AL |
220 | IOReadHandler *fd_read, |
221 | IOEventHandler *fd_event, | |
222 | void *opaque) | |
223 | { | |
19083228 HG |
224 | int fe_open; |
225 | ||
da7d998b | 226 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
19083228 HG |
227 | fe_open = 0; |
228 | } else { | |
229 | fe_open = 1; | |
2d6c1ef4 | 230 | } |
6f97dba0 AL |
231 | s->chr_can_read = fd_can_read; |
232 | s->chr_read = fd_read; | |
233 | s->chr_event = fd_event; | |
234 | s->handler_opaque = opaque; | |
235 | if (s->chr_update_read_handler) | |
236 | s->chr_update_read_handler(s); | |
73cdf3f2 | 237 | |
19083228 | 238 | if (!s->explicit_fe_open) { |
8e25daa8 | 239 | qemu_chr_fe_set_open(s, fe_open); |
19083228 HG |
240 | } |
241 | ||
73cdf3f2 AG |
242 | /* We're connecting to an already opened device, so let's make sure we |
243 | also get the open event */ | |
a59bcd31 | 244 | if (fe_open && s->be_open) { |
fee204fd | 245 | qemu_chr_be_generic_open(s); |
73cdf3f2 | 246 | } |
6f97dba0 AL |
247 | } |
248 | ||
249 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
250 | { | |
251 | return len; | |
252 | } | |
253 | ||
80dca9e6 | 254 | static CharDriverState *qemu_chr_open_null(void) |
6f97dba0 AL |
255 | { |
256 | CharDriverState *chr; | |
257 | ||
7267c094 | 258 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 | 259 | chr->chr_write = null_chr_write; |
1f51470d | 260 | return chr; |
6f97dba0 AL |
261 | } |
262 | ||
263 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
264 | #define MAX_MUX 4 |
265 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
266 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
267 | typedef struct { | |
7b27a769 | 268 | IOCanReadHandler *chr_can_read[MAX_MUX]; |
6f97dba0 AL |
269 | IOReadHandler *chr_read[MAX_MUX]; |
270 | IOEventHandler *chr_event[MAX_MUX]; | |
271 | void *ext_opaque[MAX_MUX]; | |
272 | CharDriverState *drv; | |
799f1f23 | 273 | int focus; |
6f97dba0 AL |
274 | int mux_cnt; |
275 | int term_got_escape; | |
276 | int max_size; | |
a80bf99f AL |
277 | /* Intermediate input buffer allows to catch escape sequences even if the |
278 | currently active device is not accepting any input - but only until it | |
279 | is full as well. */ | |
280 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
281 | int prod[MAX_MUX]; | |
282 | int cons[MAX_MUX]; | |
2d22959d | 283 | int timestamps; |
4ab312f7 | 284 | int linestart; |
2d22959d | 285 | int64_t timestamps_start; |
6f97dba0 AL |
286 | } MuxDriver; |
287 | ||
288 | ||
289 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
290 | { | |
291 | MuxDriver *d = chr->opaque; | |
292 | int ret; | |
2d22959d | 293 | if (!d->timestamps) { |
6f97dba0 AL |
294 | ret = d->drv->chr_write(d->drv, buf, len); |
295 | } else { | |
296 | int i; | |
297 | ||
298 | ret = 0; | |
4ab312f7 JK |
299 | for (i = 0; i < len; i++) { |
300 | if (d->linestart) { | |
6f97dba0 AL |
301 | char buf1[64]; |
302 | int64_t ti; | |
303 | int secs; | |
304 | ||
7bd427d8 | 305 | ti = qemu_get_clock_ms(rt_clock); |
2d22959d JK |
306 | if (d->timestamps_start == -1) |
307 | d->timestamps_start = ti; | |
308 | ti -= d->timestamps_start; | |
a4bb1db8 | 309 | secs = ti / 1000; |
6f97dba0 AL |
310 | snprintf(buf1, sizeof(buf1), |
311 | "[%02d:%02d:%02d.%03d] ", | |
312 | secs / 3600, | |
313 | (secs / 60) % 60, | |
314 | secs % 60, | |
a4bb1db8 | 315 | (int)(ti % 1000)); |
6f97dba0 | 316 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
317 | d->linestart = 0; |
318 | } | |
319 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
320 | if (buf[i] == '\n') { | |
321 | d->linestart = 1; | |
6f97dba0 AL |
322 | } |
323 | } | |
324 | } | |
325 | return ret; | |
326 | } | |
327 | ||
328 | static const char * const mux_help[] = { | |
329 | "% h print this help\n\r", | |
330 | "% x exit emulator\n\r", | |
331 | "% s save disk data back to file (if -snapshot)\n\r", | |
332 | "% t toggle console timestamps\n\r" | |
333 | "% b send break (magic sysrq)\n\r", | |
334 | "% c switch between console and monitor\n\r", | |
335 | "% % sends %\n\r", | |
336 | NULL | |
337 | }; | |
338 | ||
339 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
340 | static void mux_print_help(CharDriverState *chr) | |
341 | { | |
342 | int i, j; | |
343 | char ebuf[15] = "Escape-Char"; | |
344 | char cbuf[50] = "\n\r"; | |
345 | ||
346 | if (term_escape_char > 0 && term_escape_char < 26) { | |
347 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
348 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
349 | } else { | |
350 | snprintf(cbuf, sizeof(cbuf), | |
351 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
352 | term_escape_char); | |
353 | } | |
354 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
355 | for (i = 0; mux_help[i] != NULL; i++) { | |
356 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
357 | if (mux_help[i][j] == '%') | |
358 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
359 | else | |
360 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
361 | } | |
362 | } | |
363 | } | |
364 | ||
2724b180 AL |
365 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
366 | { | |
367 | if (d->chr_event[mux_nr]) | |
368 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
369 | } | |
370 | ||
6f97dba0 AL |
371 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
372 | { | |
373 | if (d->term_got_escape) { | |
374 | d->term_got_escape = 0; | |
375 | if (ch == term_escape_char) | |
376 | goto send_char; | |
377 | switch(ch) { | |
378 | case '?': | |
379 | case 'h': | |
380 | mux_print_help(chr); | |
381 | break; | |
382 | case 'x': | |
383 | { | |
384 | const char *term = "QEMU: Terminated\n\r"; | |
385 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
386 | exit(0); | |
387 | break; | |
388 | } | |
389 | case 's': | |
6ab4b5ab | 390 | bdrv_commit_all(); |
6f97dba0 AL |
391 | break; |
392 | case 'b': | |
a425d23f | 393 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
394 | break; |
395 | case 'c': | |
396 | /* Switch to the next registered device */ | |
799f1f23 GH |
397 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
398 | d->focus++; | |
399 | if (d->focus >= d->mux_cnt) | |
400 | d->focus = 0; | |
401 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); | |
6f97dba0 | 402 | break; |
2d22959d JK |
403 | case 't': |
404 | d->timestamps = !d->timestamps; | |
405 | d->timestamps_start = -1; | |
4ab312f7 | 406 | d->linestart = 0; |
2d22959d | 407 | break; |
6f97dba0 AL |
408 | } |
409 | } else if (ch == term_escape_char) { | |
410 | d->term_got_escape = 1; | |
411 | } else { | |
412 | send_char: | |
413 | return 1; | |
414 | } | |
415 | return 0; | |
416 | } | |
417 | ||
418 | static void mux_chr_accept_input(CharDriverState *chr) | |
419 | { | |
6f97dba0 | 420 | MuxDriver *d = chr->opaque; |
799f1f23 | 421 | int m = d->focus; |
6f97dba0 | 422 | |
a80bf99f | 423 | while (d->prod[m] != d->cons[m] && |
6f97dba0 AL |
424 | d->chr_can_read[m] && |
425 | d->chr_can_read[m](d->ext_opaque[m])) { | |
426 | d->chr_read[m](d->ext_opaque[m], | |
a80bf99f | 427 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
6f97dba0 AL |
428 | } |
429 | } | |
430 | ||
431 | static int mux_chr_can_read(void *opaque) | |
432 | { | |
433 | CharDriverState *chr = opaque; | |
434 | MuxDriver *d = chr->opaque; | |
799f1f23 | 435 | int m = d->focus; |
6f97dba0 | 436 | |
a80bf99f | 437 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
6f97dba0 | 438 | return 1; |
a80bf99f AL |
439 | if (d->chr_can_read[m]) |
440 | return d->chr_can_read[m](d->ext_opaque[m]); | |
6f97dba0 AL |
441 | return 0; |
442 | } | |
443 | ||
444 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
445 | { | |
446 | CharDriverState *chr = opaque; | |
447 | MuxDriver *d = chr->opaque; | |
799f1f23 | 448 | int m = d->focus; |
6f97dba0 AL |
449 | int i; |
450 | ||
451 | mux_chr_accept_input (opaque); | |
452 | ||
453 | for(i = 0; i < size; i++) | |
454 | if (mux_proc_byte(chr, d, buf[i])) { | |
a80bf99f | 455 | if (d->prod[m] == d->cons[m] && |
6f97dba0 AL |
456 | d->chr_can_read[m] && |
457 | d->chr_can_read[m](d->ext_opaque[m])) | |
458 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
459 | else | |
a80bf99f | 460 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
461 | } |
462 | } | |
463 | ||
464 | static void mux_chr_event(void *opaque, int event) | |
465 | { | |
466 | CharDriverState *chr = opaque; | |
467 | MuxDriver *d = chr->opaque; | |
468 | int i; | |
469 | ||
470 | /* Send the event to all registered listeners */ | |
471 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 472 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
473 | } |
474 | ||
475 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
476 | { | |
477 | MuxDriver *d = chr->opaque; | |
478 | ||
479 | if (d->mux_cnt >= MAX_MUX) { | |
480 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
481 | return; | |
482 | } | |
483 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
484 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
485 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
486 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
487 | /* Fix up the real driver with mux routines */ | |
488 | if (d->mux_cnt == 0) { | |
489 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
490 | mux_chr_event, chr); | |
491 | } | |
799f1f23 GH |
492 | if (d->focus != -1) { |
493 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
a7aec5da | 494 | } |
799f1f23 | 495 | d->focus = d->mux_cnt; |
6f97dba0 | 496 | d->mux_cnt++; |
799f1f23 | 497 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
6f97dba0 AL |
498 | } |
499 | ||
500 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
501 | { | |
502 | CharDriverState *chr; | |
503 | MuxDriver *d; | |
504 | ||
7267c094 AL |
505 | chr = g_malloc0(sizeof(CharDriverState)); |
506 | d = g_malloc0(sizeof(MuxDriver)); | |
6f97dba0 AL |
507 | |
508 | chr->opaque = d; | |
509 | d->drv = drv; | |
799f1f23 | 510 | d->focus = -1; |
6f97dba0 AL |
511 | chr->chr_write = mux_chr_write; |
512 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
513 | chr->chr_accept_input = mux_chr_accept_input; | |
7c32c4fe | 514 | /* Frontend guest-open / -close notification is not support with muxes */ |
574b711a | 515 | chr->chr_set_fe_open = NULL; |
73cdf3f2 AG |
516 | |
517 | /* Muxes are always open on creation */ | |
fee204fd | 518 | qemu_chr_be_generic_open(chr); |
73cdf3f2 | 519 | |
6f97dba0 AL |
520 | return chr; |
521 | } | |
522 | ||
523 | ||
524 | #ifdef _WIN32 | |
d247d25f | 525 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
526 | { |
527 | int ret, len; | |
528 | ||
529 | len = len1; | |
530 | while (len > 0) { | |
531 | ret = send(fd, buf, len, 0); | |
532 | if (ret < 0) { | |
6f97dba0 AL |
533 | errno = WSAGetLastError(); |
534 | if (errno != WSAEWOULDBLOCK) { | |
535 | return -1; | |
536 | } | |
537 | } else if (ret == 0) { | |
538 | break; | |
539 | } else { | |
540 | buf += ret; | |
541 | len -= ret; | |
542 | } | |
543 | } | |
544 | return len1 - len; | |
545 | } | |
546 | ||
547 | #else | |
548 | ||
5fc9cfed | 549 | int send_all(int fd, const void *_buf, int len1) |
6f97dba0 AL |
550 | { |
551 | int ret, len; | |
5fc9cfed | 552 | const uint8_t *buf = _buf; |
6f97dba0 AL |
553 | |
554 | len = len1; | |
555 | while (len > 0) { | |
556 | ret = write(fd, buf, len); | |
557 | if (ret < 0) { | |
558 | if (errno != EINTR && errno != EAGAIN) | |
559 | return -1; | |
560 | } else if (ret == 0) { | |
561 | break; | |
562 | } else { | |
563 | buf += ret; | |
564 | len -= ret; | |
565 | } | |
566 | } | |
567 | return len1 - len; | |
568 | } | |
4549a8b7 SB |
569 | |
570 | int recv_all(int fd, void *_buf, int len1, bool single_read) | |
571 | { | |
572 | int ret, len; | |
573 | uint8_t *buf = _buf; | |
574 | ||
575 | len = len1; | |
576 | while ((len > 0) && (ret = read(fd, buf, len)) != 0) { | |
577 | if (ret < 0) { | |
578 | if (errno != EINTR && errno != EAGAIN) { | |
579 | return -1; | |
580 | } | |
581 | continue; | |
582 | } else { | |
583 | if (single_read) { | |
584 | return ret; | |
585 | } | |
586 | buf += ret; | |
587 | len -= ret; | |
588 | } | |
589 | } | |
590 | return len1 - len; | |
591 | } | |
592 | ||
6f97dba0 AL |
593 | #endif /* !_WIN32 */ |
594 | ||
96c63847 AL |
595 | typedef struct IOWatchPoll |
596 | { | |
d185c094 PB |
597 | GSource parent; |
598 | ||
1e885b25 | 599 | GIOChannel *channel; |
96c63847 | 600 | GSource *src; |
96c63847 AL |
601 | |
602 | IOCanReadHandler *fd_can_read; | |
1e885b25 | 603 | GSourceFunc fd_read; |
96c63847 | 604 | void *opaque; |
96c63847 AL |
605 | } IOWatchPoll; |
606 | ||
96c63847 AL |
607 | static IOWatchPoll *io_watch_poll_from_source(GSource *source) |
608 | { | |
d185c094 | 609 | return container_of(source, IOWatchPoll, parent); |
96c63847 AL |
610 | } |
611 | ||
612 | static gboolean io_watch_poll_prepare(GSource *source, gint *timeout_) | |
613 | { | |
614 | IOWatchPoll *iwp = io_watch_poll_from_source(source); | |
d185c094 | 615 | bool now_active = iwp->fd_can_read(iwp->opaque) > 0; |
1e885b25 | 616 | bool was_active = iwp->src != NULL; |
d185c094 | 617 | if (was_active == now_active) { |
96c63847 AL |
618 | return FALSE; |
619 | } | |
620 | ||
d185c094 | 621 | if (now_active) { |
1e885b25 PB |
622 | iwp->src = g_io_create_watch(iwp->channel, G_IO_IN | G_IO_ERR | G_IO_HUP); |
623 | g_source_set_callback(iwp->src, iwp->fd_read, iwp->opaque, NULL); | |
d185c094 PB |
624 | g_source_attach(iwp->src, NULL); |
625 | } else { | |
1e885b25 PB |
626 | g_source_destroy(iwp->src); |
627 | g_source_unref(iwp->src); | |
628 | iwp->src = NULL; | |
d185c094 PB |
629 | } |
630 | return FALSE; | |
96c63847 AL |
631 | } |
632 | ||
633 | static gboolean io_watch_poll_check(GSource *source) | |
634 | { | |
d185c094 | 635 | return FALSE; |
96c63847 AL |
636 | } |
637 | ||
638 | static gboolean io_watch_poll_dispatch(GSource *source, GSourceFunc callback, | |
639 | gpointer user_data) | |
640 | { | |
d185c094 | 641 | abort(); |
96c63847 AL |
642 | } |
643 | ||
644 | static void io_watch_poll_finalize(GSource *source) | |
645 | { | |
646 | IOWatchPoll *iwp = io_watch_poll_from_source(source); | |
1e885b25 | 647 | g_source_destroy(iwp->src); |
d185c094 | 648 | g_source_unref(iwp->src); |
1e885b25 | 649 | iwp->src = NULL; |
96c63847 AL |
650 | } |
651 | ||
652 | static GSourceFuncs io_watch_poll_funcs = { | |
653 | .prepare = io_watch_poll_prepare, | |
654 | .check = io_watch_poll_check, | |
655 | .dispatch = io_watch_poll_dispatch, | |
656 | .finalize = io_watch_poll_finalize, | |
657 | }; | |
658 | ||
659 | /* Can only be used for read */ | |
660 | static guint io_add_watch_poll(GIOChannel *channel, | |
661 | IOCanReadHandler *fd_can_read, | |
662 | GIOFunc fd_read, | |
663 | gpointer user_data) | |
664 | { | |
665 | IOWatchPoll *iwp; | |
0ca5aa4f | 666 | int tag; |
96c63847 | 667 | |
d185c094 | 668 | iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, sizeof(IOWatchPoll)); |
96c63847 AL |
669 | iwp->fd_can_read = fd_can_read; |
670 | iwp->opaque = user_data; | |
1e885b25 PB |
671 | iwp->channel = channel; |
672 | iwp->fd_read = (GSourceFunc) fd_read; | |
673 | iwp->src = NULL; | |
96c63847 | 674 | |
0ca5aa4f PB |
675 | tag = g_source_attach(&iwp->parent, NULL); |
676 | g_source_unref(&iwp->parent); | |
677 | return tag; | |
96c63847 AL |
678 | } |
679 | ||
44ab9ed4 | 680 | #ifndef _WIN32 |
96c63847 AL |
681 | static GIOChannel *io_channel_from_fd(int fd) |
682 | { | |
683 | GIOChannel *chan; | |
684 | ||
685 | if (fd == -1) { | |
686 | return NULL; | |
687 | } | |
688 | ||
689 | chan = g_io_channel_unix_new(fd); | |
690 | ||
691 | g_io_channel_set_encoding(chan, NULL, NULL); | |
692 | g_io_channel_set_buffered(chan, FALSE); | |
693 | ||
694 | return chan; | |
695 | } | |
44ab9ed4 | 696 | #endif |
96c63847 | 697 | |
76a9644b AL |
698 | static GIOChannel *io_channel_from_socket(int fd) |
699 | { | |
700 | GIOChannel *chan; | |
701 | ||
702 | if (fd == -1) { | |
703 | return NULL; | |
704 | } | |
705 | ||
706 | #ifdef _WIN32 | |
707 | chan = g_io_channel_win32_new_socket(fd); | |
708 | #else | |
709 | chan = g_io_channel_unix_new(fd); | |
710 | #endif | |
711 | ||
712 | g_io_channel_set_encoding(chan, NULL, NULL); | |
713 | g_io_channel_set_buffered(chan, FALSE); | |
714 | ||
715 | return chan; | |
716 | } | |
717 | ||
684a096e | 718 | static int io_channel_send(GIOChannel *fd, const void *buf, size_t len) |
96c63847 AL |
719 | { |
720 | GIOStatus status; | |
684a096e | 721 | size_t offset; |
96c63847 | 722 | |
684a096e AL |
723 | offset = 0; |
724 | while (offset < len) { | |
725 | gsize bytes_written; | |
726 | ||
727 | status = g_io_channel_write_chars(fd, buf + offset, len - offset, | |
96c63847 AL |
728 | &bytes_written, NULL); |
729 | if (status != G_IO_STATUS_NORMAL) { | |
23673ca7 | 730 | if (status == G_IO_STATUS_AGAIN) { |
684a096e AL |
731 | /* If we've written any data, return a partial write. */ |
732 | if (offset) { | |
733 | break; | |
734 | } | |
23673ca7 | 735 | errno = EAGAIN; |
23673ca7 AL |
736 | } else { |
737 | errno = EINVAL; | |
96c63847 | 738 | } |
684a096e AL |
739 | |
740 | return -1; | |
96c63847 AL |
741 | } else if (status == G_IO_STATUS_EOF) { |
742 | break; | |
96c63847 | 743 | } |
684a096e AL |
744 | |
745 | offset += bytes_written; | |
96c63847 | 746 | } |
684a096e AL |
747 | |
748 | return offset; | |
96c63847 | 749 | } |
96c63847 | 750 | |
44ab9ed4 BS |
751 | #ifndef _WIN32 |
752 | ||
a29753f8 AL |
753 | typedef struct FDCharDriver { |
754 | CharDriverState *chr; | |
755 | GIOChannel *fd_in, *fd_out; | |
756 | guint fd_in_tag; | |
6f97dba0 | 757 | int max_size; |
a29753f8 | 758 | QTAILQ_ENTRY(FDCharDriver) node; |
6f97dba0 AL |
759 | } FDCharDriver; |
760 | ||
6f97dba0 AL |
761 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
762 | { | |
763 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 764 | |
684a096e | 765 | return io_channel_send(s->fd_out, buf, len); |
6f97dba0 AL |
766 | } |
767 | ||
a29753f8 | 768 | static gboolean fd_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
769 | { |
770 | CharDriverState *chr = opaque; | |
771 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 772 | int len; |
9bd7854e | 773 | uint8_t buf[READ_BUF_LEN]; |
a29753f8 AL |
774 | GIOStatus status; |
775 | gsize bytes_read; | |
6f97dba0 AL |
776 | |
777 | len = sizeof(buf); | |
a29753f8 | 778 | if (len > s->max_size) { |
6f97dba0 | 779 | len = s->max_size; |
a29753f8 AL |
780 | } |
781 | if (len == 0) { | |
782 | return FALSE; | |
783 | } | |
784 | ||
785 | status = g_io_channel_read_chars(chan, (gchar *)buf, | |
786 | len, &bytes_read, NULL); | |
787 | if (status == G_IO_STATUS_EOF) { | |
a425d23f | 788 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
a29753f8 | 789 | return FALSE; |
6f97dba0 | 790 | } |
a29753f8 AL |
791 | if (status == G_IO_STATUS_NORMAL) { |
792 | qemu_chr_be_write(chr, buf, bytes_read); | |
6f97dba0 | 793 | } |
a29753f8 AL |
794 | |
795 | return TRUE; | |
796 | } | |
797 | ||
798 | static int fd_chr_read_poll(void *opaque) | |
799 | { | |
800 | CharDriverState *chr = opaque; | |
801 | FDCharDriver *s = chr->opaque; | |
802 | ||
803 | s->max_size = qemu_chr_be_can_write(chr); | |
804 | return s->max_size; | |
6f97dba0 AL |
805 | } |
806 | ||
23673ca7 AL |
807 | static GSource *fd_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
808 | { | |
809 | FDCharDriver *s = chr->opaque; | |
810 | return g_io_create_watch(s->fd_out, cond); | |
811 | } | |
812 | ||
6f97dba0 AL |
813 | static void fd_chr_update_read_handler(CharDriverState *chr) |
814 | { | |
815 | FDCharDriver *s = chr->opaque; | |
816 | ||
a29753f8 AL |
817 | if (s->fd_in_tag) { |
818 | g_source_remove(s->fd_in_tag); | |
819 | } | |
820 | ||
821 | if (s->fd_in) { | |
822 | s->fd_in_tag = io_add_watch_poll(s->fd_in, fd_chr_read_poll, fd_chr_read, chr); | |
6f97dba0 AL |
823 | } |
824 | } | |
825 | ||
826 | static void fd_chr_close(struct CharDriverState *chr) | |
827 | { | |
828 | FDCharDriver *s = chr->opaque; | |
829 | ||
a29753f8 AL |
830 | if (s->fd_in_tag) { |
831 | g_source_remove(s->fd_in_tag); | |
832 | s->fd_in_tag = 0; | |
833 | } | |
834 | ||
835 | if (s->fd_in) { | |
836 | g_io_channel_unref(s->fd_in); | |
837 | } | |
838 | if (s->fd_out) { | |
839 | g_io_channel_unref(s->fd_out); | |
6f97dba0 AL |
840 | } |
841 | ||
7267c094 | 842 | g_free(s); |
a425d23f | 843 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
844 | } |
845 | ||
846 | /* open a character device to a unix fd */ | |
847 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
848 | { | |
849 | CharDriverState *chr; | |
850 | FDCharDriver *s; | |
851 | ||
7267c094 AL |
852 | chr = g_malloc0(sizeof(CharDriverState)); |
853 | s = g_malloc0(sizeof(FDCharDriver)); | |
a29753f8 AL |
854 | s->fd_in = io_channel_from_fd(fd_in); |
855 | s->fd_out = io_channel_from_fd(fd_out); | |
23673ca7 | 856 | fcntl(fd_out, F_SETFL, O_NONBLOCK); |
a29753f8 | 857 | s->chr = chr; |
6f97dba0 | 858 | chr->opaque = s; |
23673ca7 | 859 | chr->chr_add_watch = fd_chr_add_watch; |
6f97dba0 AL |
860 | chr->chr_write = fd_chr_write; |
861 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
862 | chr->chr_close = fd_chr_close; | |
863 | ||
fee204fd | 864 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
865 | |
866 | return chr; | |
867 | } | |
868 | ||
548cbb36 | 869 | static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts) |
6f97dba0 AL |
870 | { |
871 | int fd_in, fd_out; | |
872 | char filename_in[256], filename_out[256]; | |
548cbb36 | 873 | const char *filename = opts->device; |
7d31544f GH |
874 | |
875 | if (filename == NULL) { | |
876 | fprintf(stderr, "chardev: pipe: no filename given\n"); | |
1f51470d | 877 | return NULL; |
7d31544f | 878 | } |
6f97dba0 AL |
879 | |
880 | snprintf(filename_in, 256, "%s.in", filename); | |
881 | snprintf(filename_out, 256, "%s.out", filename); | |
40ff6d7e KW |
882 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
883 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
6f97dba0 AL |
884 | if (fd_in < 0 || fd_out < 0) { |
885 | if (fd_in >= 0) | |
886 | close(fd_in); | |
887 | if (fd_out >= 0) | |
888 | close(fd_out); | |
b181e047 | 889 | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
a89dd6c3 | 890 | if (fd_in < 0) { |
1f51470d | 891 | return NULL; |
a89dd6c3 | 892 | } |
6f97dba0 | 893 | } |
1f51470d | 894 | return qemu_chr_open_fd(fd_in, fd_out); |
6f97dba0 AL |
895 | } |
896 | ||
6f97dba0 AL |
897 | /* init terminal so that we can grab keys */ |
898 | static struct termios oldtty; | |
899 | static int old_fd0_flags; | |
bb002513 | 900 | static bool stdio_allow_signal; |
6f97dba0 AL |
901 | |
902 | static void term_exit(void) | |
903 | { | |
904 | tcsetattr (0, TCSANOW, &oldtty); | |
905 | fcntl(0, F_SETFL, old_fd0_flags); | |
906 | } | |
907 | ||
bb002513 | 908 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
6f97dba0 AL |
909 | { |
910 | struct termios tty; | |
911 | ||
0369364b | 912 | tty = oldtty; |
bb002513 PB |
913 | if (!echo) { |
914 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 915 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
916 | tty.c_oflag |= OPOST; |
917 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
918 | tty.c_cflag &= ~(CSIZE|PARENB); | |
919 | tty.c_cflag |= CS8; | |
920 | tty.c_cc[VMIN] = 1; | |
921 | tty.c_cc[VTIME] = 0; | |
922 | } | |
6f97dba0 | 923 | /* if graphical mode, we allow Ctrl-C handling */ |
bb002513 | 924 | if (!stdio_allow_signal) |
6f97dba0 | 925 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
926 | |
927 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
928 | } |
929 | ||
930 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
931 | { | |
932 | term_exit(); | |
6f97dba0 AL |
933 | fd_chr_close(chr); |
934 | } | |
935 | ||
7c358031 | 936 | static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts) |
6f97dba0 AL |
937 | { |
938 | CharDriverState *chr; | |
939 | ||
ab51b1d5 MT |
940 | if (is_daemonized()) { |
941 | error_report("cannot use stdio with -daemonize"); | |
942 | return NULL; | |
943 | } | |
ed7a1540 AL |
944 | old_fd0_flags = fcntl(0, F_GETFL); |
945 | tcgetattr (0, &oldtty); | |
946 | fcntl(0, F_SETFL, O_NONBLOCK); | |
947 | atexit(term_exit); | |
0369364b | 948 | |
6f97dba0 AL |
949 | chr = qemu_chr_open_fd(0, 1); |
950 | chr->chr_close = qemu_chr_close_stdio; | |
bb002513 | 951 | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
7c358031 GH |
952 | stdio_allow_signal = display_type != DT_NOGRAPHIC; |
953 | if (opts->has_signal) { | |
954 | stdio_allow_signal = opts->signal; | |
955 | } | |
15f31519 | 956 | qemu_chr_fe_set_echo(chr, false); |
6f97dba0 | 957 | |
1f51470d | 958 | return chr; |
6f97dba0 AL |
959 | } |
960 | ||
961 | #ifdef __sun__ | |
962 | /* Once Solaris has openpty(), this is going to be removed. */ | |
3f4cb3d3 BS |
963 | static int openpty(int *amaster, int *aslave, char *name, |
964 | struct termios *termp, struct winsize *winp) | |
6f97dba0 AL |
965 | { |
966 | const char *slave; | |
967 | int mfd = -1, sfd = -1; | |
968 | ||
969 | *amaster = *aslave = -1; | |
970 | ||
971 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
972 | if (mfd < 0) | |
973 | goto err; | |
974 | ||
975 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
976 | goto err; | |
977 | ||
978 | if ((slave = ptsname(mfd)) == NULL) | |
979 | goto err; | |
980 | ||
981 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
982 | goto err; | |
983 | ||
984 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
985 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
986 | goto err; | |
987 | ||
988 | if (amaster) | |
989 | *amaster = mfd; | |
990 | if (aslave) | |
991 | *aslave = sfd; | |
992 | if (winp) | |
993 | ioctl(sfd, TIOCSWINSZ, winp); | |
994 | ||
995 | return 0; | |
996 | ||
997 | err: | |
998 | if (sfd != -1) | |
999 | close(sfd); | |
1000 | close(mfd); | |
1001 | return -1; | |
1002 | } | |
1003 | ||
3f4cb3d3 | 1004 | static void cfmakeraw (struct termios *termios_p) |
6f97dba0 AL |
1005 | { |
1006 | termios_p->c_iflag &= | |
1007 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
1008 | termios_p->c_oflag &= ~OPOST; | |
1009 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
1010 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
1011 | termios_p->c_cflag |= CS8; | |
1012 | ||
1013 | termios_p->c_cc[VMIN] = 0; | |
1014 | termios_p->c_cc[VTIME] = 0; | |
1015 | } | |
1016 | #endif | |
1017 | ||
1018 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
a167ba50 AJ |
1019 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
1020 | || defined(__GLIBC__) | |
6f97dba0 | 1021 | |
e551498e GH |
1022 | #define HAVE_CHARDEV_TTY 1 |
1023 | ||
6f97dba0 | 1024 | typedef struct { |
093d3a20 AL |
1025 | GIOChannel *fd; |
1026 | guint fd_tag; | |
6f97dba0 AL |
1027 | int connected; |
1028 | int polling; | |
1029 | int read_bytes; | |
8aa33caf | 1030 | guint timer_tag; |
6f97dba0 AL |
1031 | } PtyCharDriver; |
1032 | ||
1033 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
1034 | static void pty_chr_state(CharDriverState *chr, int connected); | |
1035 | ||
8aa33caf AL |
1036 | static gboolean pty_chr_timer(gpointer opaque) |
1037 | { | |
1038 | struct CharDriverState *chr = opaque; | |
1039 | PtyCharDriver *s = chr->opaque; | |
1040 | ||
1041 | if (s->connected) { | |
1042 | goto out; | |
1043 | } | |
1044 | if (s->polling) { | |
1045 | /* If we arrive here without polling being cleared due | |
1046 | * read returning -EIO, then we are (re-)connected */ | |
1047 | pty_chr_state(chr, 1); | |
1048 | goto out; | |
1049 | } | |
1050 | ||
1051 | /* Next poll ... */ | |
1052 | pty_chr_update_read_handler(chr); | |
1053 | ||
1054 | out: | |
1055 | return FALSE; | |
1056 | } | |
1057 | ||
1058 | static void pty_chr_rearm_timer(CharDriverState *chr, int ms) | |
1059 | { | |
1060 | PtyCharDriver *s = chr->opaque; | |
1061 | ||
1062 | if (s->timer_tag) { | |
1063 | g_source_remove(s->timer_tag); | |
1064 | s->timer_tag = 0; | |
1065 | } | |
1066 | ||
1067 | if (ms == 1000) { | |
1068 | s->timer_tag = g_timeout_add_seconds(1, pty_chr_timer, chr); | |
1069 | } else { | |
1070 | s->timer_tag = g_timeout_add(ms, pty_chr_timer, chr); | |
1071 | } | |
1072 | } | |
1073 | ||
6f97dba0 AL |
1074 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1075 | { | |
1076 | PtyCharDriver *s = chr->opaque; | |
1077 | ||
1078 | if (!s->connected) { | |
1079 | /* guest sends data, check for (re-)connect */ | |
1080 | pty_chr_update_read_handler(chr); | |
1081 | return 0; | |
1082 | } | |
684a096e | 1083 | return io_channel_send(s->fd, buf, len); |
6f97dba0 AL |
1084 | } |
1085 | ||
e6a87ed8 AL |
1086 | static GSource *pty_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
1087 | { | |
1088 | PtyCharDriver *s = chr->opaque; | |
1089 | return g_io_create_watch(s->fd, cond); | |
1090 | } | |
1091 | ||
6f97dba0 AL |
1092 | static int pty_chr_read_poll(void *opaque) |
1093 | { | |
1094 | CharDriverState *chr = opaque; | |
1095 | PtyCharDriver *s = chr->opaque; | |
1096 | ||
909cda12 | 1097 | s->read_bytes = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1098 | return s->read_bytes; |
1099 | } | |
1100 | ||
093d3a20 | 1101 | static gboolean pty_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
1102 | { |
1103 | CharDriverState *chr = opaque; | |
1104 | PtyCharDriver *s = chr->opaque; | |
093d3a20 | 1105 | gsize size, len; |
9bd7854e | 1106 | uint8_t buf[READ_BUF_LEN]; |
093d3a20 | 1107 | GIOStatus status; |
6f97dba0 AL |
1108 | |
1109 | len = sizeof(buf); | |
1110 | if (len > s->read_bytes) | |
1111 | len = s->read_bytes; | |
1112 | if (len == 0) | |
093d3a20 AL |
1113 | return FALSE; |
1114 | status = g_io_channel_read_chars(s->fd, (gchar *)buf, len, &size, NULL); | |
1115 | if (status != G_IO_STATUS_NORMAL) { | |
6f97dba0 | 1116 | pty_chr_state(chr, 0); |
093d3a20 AL |
1117 | return FALSE; |
1118 | } else { | |
6f97dba0 | 1119 | pty_chr_state(chr, 1); |
fa5efccb | 1120 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 1121 | } |
093d3a20 | 1122 | return TRUE; |
6f97dba0 AL |
1123 | } |
1124 | ||
1125 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
1126 | { | |
1127 | PtyCharDriver *s = chr->opaque; | |
1128 | ||
093d3a20 AL |
1129 | if (s->fd_tag) { |
1130 | g_source_remove(s->fd_tag); | |
1131 | } | |
1132 | ||
1133 | s->fd_tag = io_add_watch_poll(s->fd, pty_chr_read_poll, pty_chr_read, chr); | |
6f97dba0 AL |
1134 | s->polling = 1; |
1135 | /* | |
1136 | * Short timeout here: just need wait long enougth that qemu makes | |
1137 | * it through the poll loop once. When reconnected we want a | |
1138 | * short timeout so we notice it almost instantly. Otherwise | |
1139 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
1140 | * timeout to the normal (much longer) poll interval before the | |
1141 | * timer triggers. | |
1142 | */ | |
8aa33caf | 1143 | pty_chr_rearm_timer(chr, 10); |
6f97dba0 AL |
1144 | } |
1145 | ||
1146 | static void pty_chr_state(CharDriverState *chr, int connected) | |
1147 | { | |
1148 | PtyCharDriver *s = chr->opaque; | |
1149 | ||
1150 | if (!connected) { | |
093d3a20 AL |
1151 | g_source_remove(s->fd_tag); |
1152 | s->fd_tag = 0; | |
6f97dba0 AL |
1153 | s->connected = 0; |
1154 | s->polling = 0; | |
1155 | /* (re-)connect poll interval for idle guests: once per second. | |
1156 | * We check more frequently in case the guests sends data to | |
1157 | * the virtual device linked to our pty. */ | |
8aa33caf | 1158 | pty_chr_rearm_timer(chr, 1000); |
6f97dba0 AL |
1159 | } else { |
1160 | if (!s->connected) | |
fee204fd | 1161 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
1162 | s->connected = 1; |
1163 | } | |
1164 | } | |
1165 | ||
6f97dba0 AL |
1166 | |
1167 | static void pty_chr_close(struct CharDriverState *chr) | |
1168 | { | |
1169 | PtyCharDriver *s = chr->opaque; | |
093d3a20 | 1170 | int fd; |
6f97dba0 | 1171 | |
093d3a20 AL |
1172 | if (s->fd_tag) { |
1173 | g_source_remove(s->fd_tag); | |
1174 | } | |
1175 | fd = g_io_channel_unix_get_fd(s->fd); | |
1176 | g_io_channel_unref(s->fd); | |
1177 | close(fd); | |
8aa33caf AL |
1178 | if (s->timer_tag) { |
1179 | g_source_remove(s->timer_tag); | |
1180 | } | |
7267c094 | 1181 | g_free(s); |
a425d23f | 1182 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1183 | } |
1184 | ||
e68c5958 GH |
1185 | static CharDriverState *qemu_chr_open_pty(const char *id, |
1186 | ChardevReturn *ret) | |
6f97dba0 AL |
1187 | { |
1188 | CharDriverState *chr; | |
1189 | PtyCharDriver *s; | |
1190 | struct termios tty; | |
e68c5958 | 1191 | int master_fd, slave_fd; |
c5e97233 | 1192 | #if defined(__OpenBSD__) || defined(__DragonFly__) |
6f97dba0 AL |
1193 | char pty_name[PATH_MAX]; |
1194 | #define q_ptsname(x) pty_name | |
1195 | #else | |
1196 | char *pty_name = NULL; | |
1197 | #define q_ptsname(x) ptsname(x) | |
1198 | #endif | |
1199 | ||
a4e26048 | 1200 | if (openpty(&master_fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
1f51470d | 1201 | return NULL; |
6f97dba0 AL |
1202 | } |
1203 | ||
1204 | /* Set raw attributes on the pty. */ | |
c3b972c3 | 1205 | tcgetattr(slave_fd, &tty); |
6f97dba0 AL |
1206 | cfmakeraw(&tty); |
1207 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
1208 | close(slave_fd); | |
1209 | ||
a4e26048 MA |
1210 | chr = g_malloc0(sizeof(CharDriverState)); |
1211 | ||
e68c5958 GH |
1212 | chr->filename = g_strdup_printf("pty:%s", q_ptsname(master_fd)); |
1213 | ret->pty = g_strdup(q_ptsname(master_fd)); | |
1214 | ret->has_pty = true; | |
58650218 | 1215 | |
e68c5958 GH |
1216 | fprintf(stderr, "char device redirected to %s (label %s)\n", |
1217 | q_ptsname(master_fd), id); | |
6f97dba0 | 1218 | |
a4e26048 | 1219 | s = g_malloc0(sizeof(PtyCharDriver)); |
6f97dba0 AL |
1220 | chr->opaque = s; |
1221 | chr->chr_write = pty_chr_write; | |
1222 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
1223 | chr->chr_close = pty_chr_close; | |
e6a87ed8 | 1224 | chr->chr_add_watch = pty_chr_add_watch; |
6f97dba0 | 1225 | |
093d3a20 | 1226 | s->fd = io_channel_from_fd(master_fd); |
8aa33caf | 1227 | s->timer_tag = 0; |
6f97dba0 | 1228 | |
1f51470d | 1229 | return chr; |
6f97dba0 AL |
1230 | } |
1231 | ||
1232 | static void tty_serial_init(int fd, int speed, | |
1233 | int parity, int data_bits, int stop_bits) | |
1234 | { | |
1235 | struct termios tty; | |
1236 | speed_t spd; | |
1237 | ||
1238 | #if 0 | |
1239 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1240 | speed, parity, data_bits, stop_bits); | |
1241 | #endif | |
1242 | tcgetattr (fd, &tty); | |
1243 | ||
45eea13b SW |
1244 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1245 | speed = speed * 10 / 11; | |
1246 | do { | |
1247 | check_speed(50); | |
1248 | check_speed(75); | |
1249 | check_speed(110); | |
1250 | check_speed(134); | |
1251 | check_speed(150); | |
1252 | check_speed(200); | |
1253 | check_speed(300); | |
1254 | check_speed(600); | |
1255 | check_speed(1200); | |
1256 | check_speed(1800); | |
1257 | check_speed(2400); | |
1258 | check_speed(4800); | |
1259 | check_speed(9600); | |
1260 | check_speed(19200); | |
1261 | check_speed(38400); | |
1262 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1263 | check_speed(57600); | |
1264 | check_speed(115200); | |
1265 | #ifdef B230400 | |
1266 | check_speed(230400); | |
1267 | #endif | |
1268 | #ifdef B460800 | |
1269 | check_speed(460800); | |
1270 | #endif | |
1271 | #ifdef B500000 | |
1272 | check_speed(500000); | |
1273 | #endif | |
1274 | #ifdef B576000 | |
1275 | check_speed(576000); | |
1276 | #endif | |
1277 | #ifdef B921600 | |
1278 | check_speed(921600); | |
1279 | #endif | |
1280 | #ifdef B1000000 | |
1281 | check_speed(1000000); | |
1282 | #endif | |
1283 | #ifdef B1152000 | |
1284 | check_speed(1152000); | |
1285 | #endif | |
1286 | #ifdef B1500000 | |
1287 | check_speed(1500000); | |
1288 | #endif | |
1289 | #ifdef B2000000 | |
1290 | check_speed(2000000); | |
1291 | #endif | |
1292 | #ifdef B2500000 | |
1293 | check_speed(2500000); | |
1294 | #endif | |
1295 | #ifdef B3000000 | |
1296 | check_speed(3000000); | |
1297 | #endif | |
1298 | #ifdef B3500000 | |
1299 | check_speed(3500000); | |
1300 | #endif | |
1301 | #ifdef B4000000 | |
1302 | check_speed(4000000); | |
1303 | #endif | |
6f97dba0 | 1304 | spd = B115200; |
45eea13b | 1305 | } while (0); |
6f97dba0 AL |
1306 | |
1307 | cfsetispeed(&tty, spd); | |
1308 | cfsetospeed(&tty, spd); | |
1309 | ||
1310 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1311 | |INLCR|IGNCR|ICRNL|IXON); | |
1312 | tty.c_oflag |= OPOST; | |
1313 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1314 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1315 | switch(data_bits) { | |
1316 | default: | |
1317 | case 8: | |
1318 | tty.c_cflag |= CS8; | |
1319 | break; | |
1320 | case 7: | |
1321 | tty.c_cflag |= CS7; | |
1322 | break; | |
1323 | case 6: | |
1324 | tty.c_cflag |= CS6; | |
1325 | break; | |
1326 | case 5: | |
1327 | tty.c_cflag |= CS5; | |
1328 | break; | |
1329 | } | |
1330 | switch(parity) { | |
1331 | default: | |
1332 | case 'N': | |
1333 | break; | |
1334 | case 'E': | |
1335 | tty.c_cflag |= PARENB; | |
1336 | break; | |
1337 | case 'O': | |
1338 | tty.c_cflag |= PARENB | PARODD; | |
1339 | break; | |
1340 | } | |
1341 | if (stop_bits == 2) | |
1342 | tty.c_cflag |= CSTOPB; | |
1343 | ||
1344 | tcsetattr (fd, TCSANOW, &tty); | |
1345 | } | |
1346 | ||
1347 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1348 | { | |
1349 | FDCharDriver *s = chr->opaque; | |
1350 | ||
1351 | switch(cmd) { | |
1352 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1353 | { | |
1354 | QEMUSerialSetParams *ssp = arg; | |
a29753f8 AL |
1355 | tty_serial_init(g_io_channel_unix_get_fd(s->fd_in), |
1356 | ssp->speed, ssp->parity, | |
6f97dba0 AL |
1357 | ssp->data_bits, ssp->stop_bits); |
1358 | } | |
1359 | break; | |
1360 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1361 | { | |
1362 | int enable = *(int *)arg; | |
a29753f8 AL |
1363 | if (enable) { |
1364 | tcsendbreak(g_io_channel_unix_get_fd(s->fd_in), 1); | |
1365 | } | |
6f97dba0 AL |
1366 | } |
1367 | break; | |
1368 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1369 | { | |
1370 | int sarg = 0; | |
1371 | int *targ = (int *)arg; | |
a29753f8 | 1372 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &sarg); |
6f97dba0 | 1373 | *targ = 0; |
b4abdfa4 | 1374 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1375 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1376 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1377 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1378 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1379 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1380 | if (sarg & TIOCM_RI) |
6f97dba0 | 1381 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1382 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1383 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1384 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1385 | *targ |= CHR_TIOCM_RTS; |
1386 | } | |
1387 | break; | |
1388 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1389 | { | |
1390 | int sarg = *(int *)arg; | |
1391 | int targ = 0; | |
a29753f8 | 1392 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMGET, &targ); |
b4abdfa4 AJ |
1393 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1394 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1395 | if (sarg & CHR_TIOCM_CTS) | |
1396 | targ |= TIOCM_CTS; | |
1397 | if (sarg & CHR_TIOCM_CAR) | |
1398 | targ |= TIOCM_CAR; | |
1399 | if (sarg & CHR_TIOCM_DSR) | |
1400 | targ |= TIOCM_DSR; | |
1401 | if (sarg & CHR_TIOCM_RI) | |
1402 | targ |= TIOCM_RI; | |
1403 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1404 | targ |= TIOCM_DTR; |
b4abdfa4 | 1405 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 | 1406 | targ |= TIOCM_RTS; |
a29753f8 | 1407 | ioctl(g_io_channel_unix_get_fd(s->fd_in), TIOCMSET, &targ); |
6f97dba0 AL |
1408 | } |
1409 | break; | |
1410 | default: | |
1411 | return -ENOTSUP; | |
1412 | } | |
1413 | return 0; | |
1414 | } | |
1415 | ||
4266a134 DA |
1416 | static void qemu_chr_close_tty(CharDriverState *chr) |
1417 | { | |
1418 | FDCharDriver *s = chr->opaque; | |
1419 | int fd = -1; | |
1420 | ||
1421 | if (s) { | |
a29753f8 | 1422 | fd = g_io_channel_unix_get_fd(s->fd_in); |
4266a134 DA |
1423 | } |
1424 | ||
1425 | fd_chr_close(chr); | |
1426 | ||
1427 | if (fd >= 0) { | |
1428 | close(fd); | |
1429 | } | |
1430 | } | |
1431 | ||
d59044ef GH |
1432 | static CharDriverState *qemu_chr_open_tty_fd(int fd) |
1433 | { | |
1434 | CharDriverState *chr; | |
1435 | ||
1436 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1437 | chr = qemu_chr_open_fd(fd, fd); | |
1438 | chr->chr_ioctl = tty_serial_ioctl; | |
1439 | chr->chr_close = qemu_chr_close_tty; | |
1440 | return chr; | |
1441 | } | |
6f97dba0 AL |
1442 | #endif /* __linux__ || __sun__ */ |
1443 | ||
1444 | #if defined(__linux__) | |
e551498e GH |
1445 | |
1446 | #define HAVE_CHARDEV_PARPORT 1 | |
1447 | ||
6f97dba0 AL |
1448 | typedef struct { |
1449 | int fd; | |
1450 | int mode; | |
1451 | } ParallelCharDriver; | |
1452 | ||
1453 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1454 | { | |
1455 | if (s->mode != mode) { | |
1456 | int m = mode; | |
1457 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1458 | return 0; | |
1459 | s->mode = mode; | |
1460 | } | |
1461 | return 1; | |
1462 | } | |
1463 | ||
1464 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1465 | { | |
1466 | ParallelCharDriver *drv = chr->opaque; | |
1467 | int fd = drv->fd; | |
1468 | uint8_t b; | |
1469 | ||
1470 | switch(cmd) { | |
1471 | case CHR_IOCTL_PP_READ_DATA: | |
1472 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1473 | return -ENOTSUP; | |
1474 | *(uint8_t *)arg = b; | |
1475 | break; | |
1476 | case CHR_IOCTL_PP_WRITE_DATA: | |
1477 | b = *(uint8_t *)arg; | |
1478 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1479 | return -ENOTSUP; | |
1480 | break; | |
1481 | case CHR_IOCTL_PP_READ_CONTROL: | |
1482 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1483 | return -ENOTSUP; | |
1484 | /* Linux gives only the lowest bits, and no way to know data | |
1485 | direction! For better compatibility set the fixed upper | |
1486 | bits. */ | |
1487 | *(uint8_t *)arg = b | 0xc0; | |
1488 | break; | |
1489 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1490 | b = *(uint8_t *)arg; | |
1491 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1492 | return -ENOTSUP; | |
1493 | break; | |
1494 | case CHR_IOCTL_PP_READ_STATUS: | |
1495 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1496 | return -ENOTSUP; | |
1497 | *(uint8_t *)arg = b; | |
1498 | break; | |
1499 | case CHR_IOCTL_PP_DATA_DIR: | |
1500 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1501 | return -ENOTSUP; | |
1502 | break; | |
1503 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1504 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1505 | struct ParallelIOArg *parg = arg; | |
1506 | int n = read(fd, parg->buffer, parg->count); | |
1507 | if (n != parg->count) { | |
1508 | return -EIO; | |
1509 | } | |
1510 | } | |
1511 | break; | |
1512 | case CHR_IOCTL_PP_EPP_READ: | |
1513 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1514 | struct ParallelIOArg *parg = arg; | |
1515 | int n = read(fd, parg->buffer, parg->count); | |
1516 | if (n != parg->count) { | |
1517 | return -EIO; | |
1518 | } | |
1519 | } | |
1520 | break; | |
1521 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1522 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1523 | struct ParallelIOArg *parg = arg; | |
1524 | int n = write(fd, parg->buffer, parg->count); | |
1525 | if (n != parg->count) { | |
1526 | return -EIO; | |
1527 | } | |
1528 | } | |
1529 | break; | |
1530 | case CHR_IOCTL_PP_EPP_WRITE: | |
1531 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1532 | struct ParallelIOArg *parg = arg; | |
1533 | int n = write(fd, parg->buffer, parg->count); | |
1534 | if (n != parg->count) { | |
1535 | return -EIO; | |
1536 | } | |
1537 | } | |
1538 | break; | |
1539 | default: | |
1540 | return -ENOTSUP; | |
1541 | } | |
1542 | return 0; | |
1543 | } | |
1544 | ||
1545 | static void pp_close(CharDriverState *chr) | |
1546 | { | |
1547 | ParallelCharDriver *drv = chr->opaque; | |
1548 | int fd = drv->fd; | |
1549 | ||
1550 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1551 | ioctl(fd, PPRELEASE); | |
1552 | close(fd); | |
7267c094 | 1553 | g_free(drv); |
a425d23f | 1554 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1555 | } |
1556 | ||
88a946d3 | 1557 | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
6f97dba0 AL |
1558 | { |
1559 | CharDriverState *chr; | |
1560 | ParallelCharDriver *drv; | |
6f97dba0 AL |
1561 | |
1562 | if (ioctl(fd, PPCLAIM) < 0) { | |
1563 | close(fd); | |
1f51470d | 1564 | return NULL; |
6f97dba0 AL |
1565 | } |
1566 | ||
7267c094 | 1567 | drv = g_malloc0(sizeof(ParallelCharDriver)); |
6f97dba0 AL |
1568 | drv->fd = fd; |
1569 | drv->mode = IEEE1284_MODE_COMPAT; | |
1570 | ||
7267c094 | 1571 | chr = g_malloc0(sizeof(CharDriverState)); |
6f97dba0 AL |
1572 | chr->chr_write = null_chr_write; |
1573 | chr->chr_ioctl = pp_ioctl; | |
1574 | chr->chr_close = pp_close; | |
1575 | chr->opaque = drv; | |
1576 | ||
fee204fd | 1577 | qemu_chr_be_generic_open(chr); |
6f97dba0 | 1578 | |
1f51470d | 1579 | return chr; |
6f97dba0 AL |
1580 | } |
1581 | #endif /* __linux__ */ | |
1582 | ||
a167ba50 | 1583 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
e551498e GH |
1584 | |
1585 | #define HAVE_CHARDEV_PARPORT 1 | |
1586 | ||
6972f935 BS |
1587 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1588 | { | |
e0efb993 | 1589 | int fd = (int)(intptr_t)chr->opaque; |
6972f935 BS |
1590 | uint8_t b; |
1591 | ||
1592 | switch(cmd) { | |
1593 | case CHR_IOCTL_PP_READ_DATA: | |
1594 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1595 | return -ENOTSUP; | |
1596 | *(uint8_t *)arg = b; | |
1597 | break; | |
1598 | case CHR_IOCTL_PP_WRITE_DATA: | |
1599 | b = *(uint8_t *)arg; | |
1600 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1601 | return -ENOTSUP; | |
1602 | break; | |
1603 | case CHR_IOCTL_PP_READ_CONTROL: | |
1604 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1605 | return -ENOTSUP; | |
1606 | *(uint8_t *)arg = b; | |
1607 | break; | |
1608 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1609 | b = *(uint8_t *)arg; | |
1610 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1611 | return -ENOTSUP; | |
1612 | break; | |
1613 | case CHR_IOCTL_PP_READ_STATUS: | |
1614 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1615 | return -ENOTSUP; | |
1616 | *(uint8_t *)arg = b; | |
1617 | break; | |
1618 | default: | |
1619 | return -ENOTSUP; | |
1620 | } | |
1621 | return 0; | |
1622 | } | |
1623 | ||
88a946d3 | 1624 | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
6972f935 BS |
1625 | { |
1626 | CharDriverState *chr; | |
6972f935 | 1627 | |
7267c094 | 1628 | chr = g_malloc0(sizeof(CharDriverState)); |
e0efb993 | 1629 | chr->opaque = (void *)(intptr_t)fd; |
6972f935 BS |
1630 | chr->chr_write = null_chr_write; |
1631 | chr->chr_ioctl = pp_ioctl; | |
1f51470d | 1632 | return chr; |
6972f935 BS |
1633 | } |
1634 | #endif | |
1635 | ||
6f97dba0 AL |
1636 | #else /* _WIN32 */ |
1637 | ||
1638 | typedef struct { | |
1639 | int max_size; | |
1640 | HANDLE hcom, hrecv, hsend; | |
1641 | OVERLAPPED orecv, osend; | |
1642 | BOOL fpipe; | |
1643 | DWORD len; | |
1644 | } WinCharState; | |
1645 | ||
db418a0a FC |
1646 | typedef struct { |
1647 | HANDLE hStdIn; | |
1648 | HANDLE hInputReadyEvent; | |
1649 | HANDLE hInputDoneEvent; | |
1650 | HANDLE hInputThread; | |
1651 | uint8_t win_stdio_buf; | |
1652 | } WinStdioCharState; | |
1653 | ||
6f97dba0 AL |
1654 | #define NSENDBUF 2048 |
1655 | #define NRECVBUF 2048 | |
1656 | #define MAXCONNECT 1 | |
1657 | #define NTIMEOUT 5000 | |
1658 | ||
1659 | static int win_chr_poll(void *opaque); | |
1660 | static int win_chr_pipe_poll(void *opaque); | |
1661 | ||
1662 | static void win_chr_close(CharDriverState *chr) | |
1663 | { | |
1664 | WinCharState *s = chr->opaque; | |
1665 | ||
1666 | if (s->hsend) { | |
1667 | CloseHandle(s->hsend); | |
1668 | s->hsend = NULL; | |
1669 | } | |
1670 | if (s->hrecv) { | |
1671 | CloseHandle(s->hrecv); | |
1672 | s->hrecv = NULL; | |
1673 | } | |
1674 | if (s->hcom) { | |
1675 | CloseHandle(s->hcom); | |
1676 | s->hcom = NULL; | |
1677 | } | |
1678 | if (s->fpipe) | |
1679 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1680 | else | |
1681 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 | 1682 | |
a425d23f | 1683 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1684 | } |
1685 | ||
1686 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1687 | { | |
1688 | WinCharState *s = chr->opaque; | |
1689 | COMMCONFIG comcfg; | |
1690 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1691 | COMSTAT comstat; | |
1692 | DWORD size; | |
1693 | DWORD err; | |
1694 | ||
1695 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1696 | if (!s->hsend) { | |
1697 | fprintf(stderr, "Failed CreateEvent\n"); | |
1698 | goto fail; | |
1699 | } | |
1700 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1701 | if (!s->hrecv) { | |
1702 | fprintf(stderr, "Failed CreateEvent\n"); | |
1703 | goto fail; | |
1704 | } | |
1705 | ||
1706 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1707 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1708 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1709 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1710 | s->hcom = NULL; | |
1711 | goto fail; | |
1712 | } | |
1713 | ||
1714 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1715 | fprintf(stderr, "Failed SetupComm\n"); | |
1716 | goto fail; | |
1717 | } | |
1718 | ||
1719 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1720 | size = sizeof(COMMCONFIG); | |
1721 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1722 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1723 | CommConfigDialog(filename, NULL, &comcfg); | |
1724 | ||
1725 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1726 | fprintf(stderr, "Failed SetCommState\n"); | |
1727 | goto fail; | |
1728 | } | |
1729 | ||
1730 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1731 | fprintf(stderr, "Failed SetCommMask\n"); | |
1732 | goto fail; | |
1733 | } | |
1734 | ||
1735 | cto.ReadIntervalTimeout = MAXDWORD; | |
1736 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1737 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1738 | goto fail; | |
1739 | } | |
1740 | ||
1741 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1742 | fprintf(stderr, "Failed ClearCommError\n"); | |
1743 | goto fail; | |
1744 | } | |
1745 | qemu_add_polling_cb(win_chr_poll, chr); | |
1746 | return 0; | |
1747 | ||
1748 | fail: | |
1749 | win_chr_close(chr); | |
1750 | return -1; | |
1751 | } | |
1752 | ||
1753 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1754 | { | |
1755 | WinCharState *s = chr->opaque; | |
1756 | DWORD len, ret, size, err; | |
1757 | ||
1758 | len = len1; | |
1759 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1760 | s->osend.hEvent = s->hsend; | |
1761 | while (len > 0) { | |
1762 | if (s->hsend) | |
1763 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1764 | else | |
1765 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1766 | if (!ret) { | |
1767 | err = GetLastError(); | |
1768 | if (err == ERROR_IO_PENDING) { | |
1769 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1770 | if (ret) { | |
1771 | buf += size; | |
1772 | len -= size; | |
1773 | } else { | |
1774 | break; | |
1775 | } | |
1776 | } else { | |
1777 | break; | |
1778 | } | |
1779 | } else { | |
1780 | buf += size; | |
1781 | len -= size; | |
1782 | } | |
1783 | } | |
1784 | return len1 - len; | |
1785 | } | |
1786 | ||
1787 | static int win_chr_read_poll(CharDriverState *chr) | |
1788 | { | |
1789 | WinCharState *s = chr->opaque; | |
1790 | ||
909cda12 | 1791 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1792 | return s->max_size; |
1793 | } | |
1794 | ||
1795 | static void win_chr_readfile(CharDriverState *chr) | |
1796 | { | |
1797 | WinCharState *s = chr->opaque; | |
1798 | int ret, err; | |
9bd7854e | 1799 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1800 | DWORD size; |
1801 | ||
1802 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1803 | s->orecv.hEvent = s->hrecv; | |
1804 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1805 | if (!ret) { | |
1806 | err = GetLastError(); | |
1807 | if (err == ERROR_IO_PENDING) { | |
1808 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | if (size > 0) { | |
fa5efccb | 1813 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
1814 | } |
1815 | } | |
1816 | ||
1817 | static void win_chr_read(CharDriverState *chr) | |
1818 | { | |
1819 | WinCharState *s = chr->opaque; | |
1820 | ||
1821 | if (s->len > s->max_size) | |
1822 | s->len = s->max_size; | |
1823 | if (s->len == 0) | |
1824 | return; | |
1825 | ||
1826 | win_chr_readfile(chr); | |
1827 | } | |
1828 | ||
1829 | static int win_chr_poll(void *opaque) | |
1830 | { | |
1831 | CharDriverState *chr = opaque; | |
1832 | WinCharState *s = chr->opaque; | |
1833 | COMSTAT status; | |
1834 | DWORD comerr; | |
1835 | ||
1836 | ClearCommError(s->hcom, &comerr, &status); | |
1837 | if (status.cbInQue > 0) { | |
1838 | s->len = status.cbInQue; | |
1839 | win_chr_read_poll(chr); | |
1840 | win_chr_read(chr); | |
1841 | return 1; | |
1842 | } | |
1843 | return 0; | |
1844 | } | |
1845 | ||
d59044ef | 1846 | static CharDriverState *qemu_chr_open_win_path(const char *filename) |
6f97dba0 AL |
1847 | { |
1848 | CharDriverState *chr; | |
1849 | WinCharState *s; | |
1850 | ||
7267c094 AL |
1851 | chr = g_malloc0(sizeof(CharDriverState)); |
1852 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1853 | chr->opaque = s; |
1854 | chr->chr_write = win_chr_write; | |
1855 | chr->chr_close = win_chr_close; | |
1856 | ||
1857 | if (win_chr_init(chr, filename) < 0) { | |
2e02e18b SW |
1858 | g_free(s); |
1859 | g_free(chr); | |
1f51470d | 1860 | return NULL; |
6f97dba0 | 1861 | } |
fee204fd | 1862 | qemu_chr_be_generic_open(chr); |
1f51470d | 1863 | return chr; |
6f97dba0 AL |
1864 | } |
1865 | ||
1866 | static int win_chr_pipe_poll(void *opaque) | |
1867 | { | |
1868 | CharDriverState *chr = opaque; | |
1869 | WinCharState *s = chr->opaque; | |
1870 | DWORD size; | |
1871 | ||
1872 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1873 | if (size > 0) { | |
1874 | s->len = size; | |
1875 | win_chr_read_poll(chr); | |
1876 | win_chr_read(chr); | |
1877 | return 1; | |
1878 | } | |
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1883 | { | |
1884 | WinCharState *s = chr->opaque; | |
1885 | OVERLAPPED ov; | |
1886 | int ret; | |
1887 | DWORD size; | |
1888 | char openname[256]; | |
1889 | ||
1890 | s->fpipe = TRUE; | |
1891 | ||
1892 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1893 | if (!s->hsend) { | |
1894 | fprintf(stderr, "Failed CreateEvent\n"); | |
1895 | goto fail; | |
1896 | } | |
1897 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1898 | if (!s->hrecv) { | |
1899 | fprintf(stderr, "Failed CreateEvent\n"); | |
1900 | goto fail; | |
1901 | } | |
1902 | ||
1903 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1904 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1905 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1906 | PIPE_WAIT, | |
1907 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1908 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1909 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1910 | s->hcom = NULL; | |
1911 | goto fail; | |
1912 | } | |
1913 | ||
1914 | ZeroMemory(&ov, sizeof(ov)); | |
1915 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1916 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1917 | if (ret) { | |
1918 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1919 | goto fail; | |
1920 | } | |
1921 | ||
1922 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1923 | if (!ret) { | |
1924 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1925 | if (ov.hEvent) { | |
1926 | CloseHandle(ov.hEvent); | |
1927 | ov.hEvent = NULL; | |
1928 | } | |
1929 | goto fail; | |
1930 | } | |
1931 | ||
1932 | if (ov.hEvent) { | |
1933 | CloseHandle(ov.hEvent); | |
1934 | ov.hEvent = NULL; | |
1935 | } | |
1936 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1937 | return 0; | |
1938 | ||
1939 | fail: | |
1940 | win_chr_close(chr); | |
1941 | return -1; | |
1942 | } | |
1943 | ||
1944 | ||
548cbb36 | 1945 | static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts) |
6f97dba0 | 1946 | { |
548cbb36 | 1947 | const char *filename = opts->device; |
6f97dba0 AL |
1948 | CharDriverState *chr; |
1949 | WinCharState *s; | |
1950 | ||
7267c094 AL |
1951 | chr = g_malloc0(sizeof(CharDriverState)); |
1952 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1953 | chr->opaque = s; |
1954 | chr->chr_write = win_chr_write; | |
1955 | chr->chr_close = win_chr_close; | |
1956 | ||
1957 | if (win_chr_pipe_init(chr, filename) < 0) { | |
2e02e18b SW |
1958 | g_free(s); |
1959 | g_free(chr); | |
1f51470d | 1960 | return NULL; |
6f97dba0 | 1961 | } |
fee204fd | 1962 | qemu_chr_be_generic_open(chr); |
1f51470d | 1963 | return chr; |
6f97dba0 AL |
1964 | } |
1965 | ||
1f51470d | 1966 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
6f97dba0 AL |
1967 | { |
1968 | CharDriverState *chr; | |
1969 | WinCharState *s; | |
1970 | ||
7267c094 AL |
1971 | chr = g_malloc0(sizeof(CharDriverState)); |
1972 | s = g_malloc0(sizeof(WinCharState)); | |
6f97dba0 AL |
1973 | s->hcom = fd_out; |
1974 | chr->opaque = s; | |
1975 | chr->chr_write = win_chr_write; | |
fee204fd | 1976 | qemu_chr_be_generic_open(chr); |
1f51470d | 1977 | return chr; |
6f97dba0 AL |
1978 | } |
1979 | ||
d9ac374f | 1980 | static CharDriverState *qemu_chr_open_win_con(void) |
6f97dba0 | 1981 | { |
1f51470d | 1982 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
6f97dba0 AL |
1983 | } |
1984 | ||
db418a0a FC |
1985 | static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len) |
1986 | { | |
1987 | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); | |
1988 | DWORD dwSize; | |
1989 | int len1; | |
1990 | ||
1991 | len1 = len; | |
1992 | ||
1993 | while (len1 > 0) { | |
1994 | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { | |
1995 | break; | |
1996 | } | |
1997 | buf += dwSize; | |
1998 | len1 -= dwSize; | |
1999 | } | |
2000 | ||
2001 | return len - len1; | |
2002 | } | |
2003 | ||
2004 | static void win_stdio_wait_func(void *opaque) | |
2005 | { | |
2006 | CharDriverState *chr = opaque; | |
2007 | WinStdioCharState *stdio = chr->opaque; | |
2008 | INPUT_RECORD buf[4]; | |
2009 | int ret; | |
2010 | DWORD dwSize; | |
2011 | int i; | |
2012 | ||
2013 | ret = ReadConsoleInput(stdio->hStdIn, buf, sizeof(buf) / sizeof(*buf), | |
2014 | &dwSize); | |
2015 | ||
2016 | if (!ret) { | |
2017 | /* Avoid error storm */ | |
2018 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
2019 | return; | |
2020 | } | |
2021 | ||
2022 | for (i = 0; i < dwSize; i++) { | |
2023 | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; | |
2024 | ||
2025 | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) { | |
2026 | int j; | |
2027 | if (kev->uChar.AsciiChar != 0) { | |
2028 | for (j = 0; j < kev->wRepeatCount; j++) { | |
2029 | if (qemu_chr_be_can_write(chr)) { | |
2030 | uint8_t c = kev->uChar.AsciiChar; | |
2031 | qemu_chr_be_write(chr, &c, 1); | |
2032 | } | |
2033 | } | |
2034 | } | |
2035 | } | |
2036 | } | |
2037 | } | |
2038 | ||
2039 | static DWORD WINAPI win_stdio_thread(LPVOID param) | |
2040 | { | |
2041 | CharDriverState *chr = param; | |
2042 | WinStdioCharState *stdio = chr->opaque; | |
2043 | int ret; | |
2044 | DWORD dwSize; | |
2045 | ||
2046 | while (1) { | |
2047 | ||
2048 | /* Wait for one byte */ | |
2049 | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); | |
2050 | ||
2051 | /* Exit in case of error, continue if nothing read */ | |
2052 | if (!ret) { | |
2053 | break; | |
2054 | } | |
2055 | if (!dwSize) { | |
2056 | continue; | |
2057 | } | |
2058 | ||
2059 | /* Some terminal emulator returns \r\n for Enter, just pass \n */ | |
2060 | if (stdio->win_stdio_buf == '\r') { | |
2061 | continue; | |
2062 | } | |
2063 | ||
2064 | /* Signal the main thread and wait until the byte was eaten */ | |
2065 | if (!SetEvent(stdio->hInputReadyEvent)) { | |
2066 | break; | |
2067 | } | |
2068 | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE) | |
2069 | != WAIT_OBJECT_0) { | |
2070 | break; | |
2071 | } | |
2072 | } | |
2073 | ||
2074 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2075 | return 0; | |
2076 | } | |
2077 | ||
2078 | static void win_stdio_thread_wait_func(void *opaque) | |
2079 | { | |
2080 | CharDriverState *chr = opaque; | |
2081 | WinStdioCharState *stdio = chr->opaque; | |
2082 | ||
2083 | if (qemu_chr_be_can_write(chr)) { | |
2084 | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1); | |
2085 | } | |
2086 | ||
2087 | SetEvent(stdio->hInputDoneEvent); | |
2088 | } | |
2089 | ||
2090 | static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo) | |
2091 | { | |
2092 | WinStdioCharState *stdio = chr->opaque; | |
2093 | DWORD dwMode = 0; | |
2094 | ||
2095 | GetConsoleMode(stdio->hStdIn, &dwMode); | |
2096 | ||
2097 | if (echo) { | |
2098 | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); | |
2099 | } else { | |
2100 | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); | |
2101 | } | |
2102 | } | |
2103 | ||
2104 | static void win_stdio_close(CharDriverState *chr) | |
2105 | { | |
2106 | WinStdioCharState *stdio = chr->opaque; | |
2107 | ||
2108 | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) { | |
2109 | CloseHandle(stdio->hInputReadyEvent); | |
2110 | } | |
2111 | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) { | |
2112 | CloseHandle(stdio->hInputDoneEvent); | |
2113 | } | |
2114 | if (stdio->hInputThread != INVALID_HANDLE_VALUE) { | |
2115 | TerminateThread(stdio->hInputThread, 0); | |
2116 | } | |
2117 | ||
2118 | g_free(chr->opaque); | |
2119 | g_free(chr); | |
db418a0a FC |
2120 | } |
2121 | ||
7c358031 | 2122 | static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts) |
db418a0a FC |
2123 | { |
2124 | CharDriverState *chr; | |
2125 | WinStdioCharState *stdio; | |
2126 | DWORD dwMode; | |
2127 | int is_console = 0; | |
2128 | ||
db418a0a FC |
2129 | chr = g_malloc0(sizeof(CharDriverState)); |
2130 | stdio = g_malloc0(sizeof(WinStdioCharState)); | |
2131 | ||
2132 | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); | |
2133 | if (stdio->hStdIn == INVALID_HANDLE_VALUE) { | |
2134 | fprintf(stderr, "cannot open stdio: invalid handle\n"); | |
2135 | exit(1); | |
2136 | } | |
2137 | ||
2138 | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0; | |
2139 | ||
2140 | chr->opaque = stdio; | |
2141 | chr->chr_write = win_stdio_write; | |
2142 | chr->chr_close = win_stdio_close; | |
2143 | ||
ed7a1540 AL |
2144 | if (is_console) { |
2145 | if (qemu_add_wait_object(stdio->hStdIn, | |
2146 | win_stdio_wait_func, chr)) { | |
2147 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
2148 | } | |
2149 | } else { | |
2150 | DWORD dwId; | |
2151 | ||
2152 | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2153 | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2154 | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, | |
2155 | chr, 0, &dwId); | |
2156 | ||
2157 | if (stdio->hInputThread == INVALID_HANDLE_VALUE | |
2158 | || stdio->hInputReadyEvent == INVALID_HANDLE_VALUE | |
2159 | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { | |
2160 | fprintf(stderr, "cannot create stdio thread or event\n"); | |
2161 | exit(1); | |
2162 | } | |
2163 | if (qemu_add_wait_object(stdio->hInputReadyEvent, | |
2164 | win_stdio_thread_wait_func, chr)) { | |
2165 | fprintf(stderr, "qemu_add_wait_object: failed\n"); | |
db418a0a FC |
2166 | } |
2167 | } | |
2168 | ||
2169 | dwMode |= ENABLE_LINE_INPUT; | |
2170 | ||
ed7a1540 | 2171 | if (is_console) { |
db418a0a FC |
2172 | /* set the terminal in raw mode */ |
2173 | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */ | |
2174 | dwMode |= ENABLE_PROCESSED_INPUT; | |
2175 | } | |
2176 | ||
2177 | SetConsoleMode(stdio->hStdIn, dwMode); | |
2178 | ||
2179 | chr->chr_set_echo = qemu_chr_set_echo_win_stdio; | |
2180 | qemu_chr_fe_set_echo(chr, false); | |
2181 | ||
1f51470d | 2182 | return chr; |
db418a0a | 2183 | } |
6f97dba0 AL |
2184 | #endif /* !_WIN32 */ |
2185 | ||
5ab8211b | 2186 | |
6f97dba0 AL |
2187 | /***********************************************************/ |
2188 | /* UDP Net console */ | |
2189 | ||
2190 | typedef struct { | |
2191 | int fd; | |
76a9644b AL |
2192 | GIOChannel *chan; |
2193 | guint tag; | |
9bd7854e | 2194 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2195 | int bufcnt; |
2196 | int bufptr; | |
2197 | int max_size; | |
2198 | } NetCharDriver; | |
2199 | ||
2200 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2201 | { | |
2202 | NetCharDriver *s = chr->opaque; | |
76a9644b AL |
2203 | gsize bytes_written; |
2204 | GIOStatus status; | |
2205 | ||
2206 | status = g_io_channel_write_chars(s->chan, (const gchar *)buf, len, &bytes_written, NULL); | |
2207 | if (status == G_IO_STATUS_EOF) { | |
2208 | return 0; | |
2209 | } else if (status != G_IO_STATUS_NORMAL) { | |
2210 | return -1; | |
2211 | } | |
6f97dba0 | 2212 | |
76a9644b | 2213 | return bytes_written; |
6f97dba0 AL |
2214 | } |
2215 | ||
2216 | static int udp_chr_read_poll(void *opaque) | |
2217 | { | |
2218 | CharDriverState *chr = opaque; | |
2219 | NetCharDriver *s = chr->opaque; | |
2220 | ||
909cda12 | 2221 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2222 | |
2223 | /* If there were any stray characters in the queue process them | |
2224 | * first | |
2225 | */ | |
2226 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2227 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2228 | s->bufptr++; |
909cda12 | 2229 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2230 | } |
2231 | return s->max_size; | |
2232 | } | |
2233 | ||
76a9644b | 2234 | static gboolean udp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2235 | { |
2236 | CharDriverState *chr = opaque; | |
2237 | NetCharDriver *s = chr->opaque; | |
76a9644b AL |
2238 | gsize bytes_read = 0; |
2239 | GIOStatus status; | |
6f97dba0 AL |
2240 | |
2241 | if (s->max_size == 0) | |
76a9644b AL |
2242 | return FALSE; |
2243 | status = g_io_channel_read_chars(s->chan, (gchar *)s->buf, sizeof(s->buf), | |
2244 | &bytes_read, NULL); | |
2245 | s->bufcnt = bytes_read; | |
6f97dba0 | 2246 | s->bufptr = s->bufcnt; |
76a9644b AL |
2247 | if (status != G_IO_STATUS_NORMAL) { |
2248 | return FALSE; | |
2249 | } | |
6f97dba0 AL |
2250 | |
2251 | s->bufptr = 0; | |
2252 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2253 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2254 | s->bufptr++; |
909cda12 | 2255 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 | 2256 | } |
76a9644b AL |
2257 | |
2258 | return TRUE; | |
6f97dba0 AL |
2259 | } |
2260 | ||
2261 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2262 | { | |
2263 | NetCharDriver *s = chr->opaque; | |
2264 | ||
76a9644b AL |
2265 | if (s->tag) { |
2266 | g_source_remove(s->tag); | |
2267 | s->tag = 0; | |
2268 | } | |
2269 | ||
2270 | if (s->chan) { | |
2271 | s->tag = io_add_watch_poll(s->chan, udp_chr_read_poll, udp_chr_read, chr); | |
6f97dba0 AL |
2272 | } |
2273 | } | |
2274 | ||
819f56b7 AL |
2275 | static void udp_chr_close(CharDriverState *chr) |
2276 | { | |
2277 | NetCharDriver *s = chr->opaque; | |
76a9644b AL |
2278 | if (s->tag) { |
2279 | g_source_remove(s->tag); | |
2280 | } | |
2281 | if (s->chan) { | |
2282 | g_io_channel_unref(s->chan); | |
819f56b7 AL |
2283 | closesocket(s->fd); |
2284 | } | |
7267c094 | 2285 | g_free(s); |
a425d23f | 2286 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
2287 | } |
2288 | ||
3ecc059d | 2289 | static CharDriverState *qemu_chr_open_udp_fd(int fd) |
6f97dba0 AL |
2290 | { |
2291 | CharDriverState *chr = NULL; | |
2292 | NetCharDriver *s = NULL; | |
6f97dba0 | 2293 | |
7267c094 AL |
2294 | chr = g_malloc0(sizeof(CharDriverState)); |
2295 | s = g_malloc0(sizeof(NetCharDriver)); | |
6f97dba0 | 2296 | |
6f97dba0 | 2297 | s->fd = fd; |
76a9644b | 2298 | s->chan = io_channel_from_socket(s->fd); |
6f97dba0 AL |
2299 | s->bufcnt = 0; |
2300 | s->bufptr = 0; | |
2301 | chr->opaque = s; | |
2302 | chr->chr_write = udp_chr_write; | |
2303 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 2304 | chr->chr_close = udp_chr_close; |
1f51470d | 2305 | return chr; |
3ecc059d | 2306 | } |
6f97dba0 | 2307 | |
3ecc059d GH |
2308 | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
2309 | { | |
2310 | Error *local_err = NULL; | |
2311 | int fd = -1; | |
2312 | ||
2313 | fd = inet_dgram_opts(opts, &local_err); | |
2314 | if (fd < 0) { | |
2315 | return NULL; | |
6e1db57b | 2316 | } |
3ecc059d | 2317 | return qemu_chr_open_udp_fd(fd); |
6f97dba0 AL |
2318 | } |
2319 | ||
2320 | /***********************************************************/ | |
2321 | /* TCP Net console */ | |
2322 | ||
2323 | typedef struct { | |
2ea5a7af AL |
2324 | |
2325 | GIOChannel *chan, *listen_chan; | |
2326 | guint tag, listen_tag; | |
6f97dba0 AL |
2327 | int fd, listen_fd; |
2328 | int connected; | |
2329 | int max_size; | |
2330 | int do_telnetopt; | |
2331 | int do_nodelay; | |
2332 | int is_unix; | |
7d174059 | 2333 | int msgfd; |
6f97dba0 AL |
2334 | } TCPCharDriver; |
2335 | ||
2ea5a7af | 2336 | static gboolean tcp_chr_accept(GIOChannel *chan, GIOCondition cond, void *opaque); |
6f97dba0 AL |
2337 | |
2338 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2339 | { | |
2340 | TCPCharDriver *s = chr->opaque; | |
2341 | if (s->connected) { | |
684a096e | 2342 | return io_channel_send(s->chan, buf, len); |
455aa1e0 | 2343 | } else { |
6db0fdce | 2344 | /* XXX: indicate an error ? */ |
455aa1e0 | 2345 | return len; |
6f97dba0 AL |
2346 | } |
2347 | } | |
2348 | ||
2349 | static int tcp_chr_read_poll(void *opaque) | |
2350 | { | |
2351 | CharDriverState *chr = opaque; | |
2352 | TCPCharDriver *s = chr->opaque; | |
2353 | if (!s->connected) | |
2354 | return 0; | |
909cda12 | 2355 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2356 | return s->max_size; |
2357 | } | |
2358 | ||
2359 | #define IAC 255 | |
2360 | #define IAC_BREAK 243 | |
2361 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2362 | TCPCharDriver *s, | |
2363 | uint8_t *buf, int *size) | |
2364 | { | |
2365 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2366 | * char mode with no echo. All IAC options will be removed from | |
2367 | * the buf and the do_telnetopt variable will be used to track the | |
2368 | * state of the width of the IAC information. | |
2369 | * | |
2370 | * IAC commands come in sets of 3 bytes with the exception of the | |
2371 | * "IAC BREAK" command and the double IAC. | |
2372 | */ | |
2373 | ||
2374 | int i; | |
2375 | int j = 0; | |
2376 | ||
2377 | for (i = 0; i < *size; i++) { | |
2378 | if (s->do_telnetopt > 1) { | |
2379 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2380 | /* Double IAC means send an IAC */ | |
2381 | if (j != i) | |
2382 | buf[j] = buf[i]; | |
2383 | j++; | |
2384 | s->do_telnetopt = 1; | |
2385 | } else { | |
2386 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2387 | /* Handle IAC break commands by sending a serial break */ | |
a425d23f | 2388 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
2389 | s->do_telnetopt++; |
2390 | } | |
2391 | s->do_telnetopt++; | |
2392 | } | |
2393 | if (s->do_telnetopt >= 4) { | |
2394 | s->do_telnetopt = 1; | |
2395 | } | |
2396 | } else { | |
2397 | if ((unsigned char)buf[i] == IAC) { | |
2398 | s->do_telnetopt = 2; | |
2399 | } else { | |
2400 | if (j != i) | |
2401 | buf[j] = buf[i]; | |
2402 | j++; | |
2403 | } | |
2404 | } | |
2405 | } | |
2406 | *size = j; | |
2407 | } | |
2408 | ||
7d174059 MM |
2409 | static int tcp_get_msgfd(CharDriverState *chr) |
2410 | { | |
2411 | TCPCharDriver *s = chr->opaque; | |
e53f27b9 PB |
2412 | int fd = s->msgfd; |
2413 | s->msgfd = -1; | |
2414 | return fd; | |
7d174059 MM |
2415 | } |
2416 | ||
73bcc2ac | 2417 | #ifndef _WIN32 |
7d174059 MM |
2418 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2419 | { | |
2420 | TCPCharDriver *s = chr->opaque; | |
2421 | struct cmsghdr *cmsg; | |
2422 | ||
2423 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { | |
2424 | int fd; | |
2425 | ||
2426 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || | |
2427 | cmsg->cmsg_level != SOL_SOCKET || | |
2428 | cmsg->cmsg_type != SCM_RIGHTS) | |
2429 | continue; | |
2430 | ||
2431 | fd = *((int *)CMSG_DATA(cmsg)); | |
2432 | if (fd < 0) | |
2433 | continue; | |
2434 | ||
9b938c72 SH |
2435 | /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ |
2436 | qemu_set_block(fd); | |
2437 | ||
06138651 CB |
2438 | #ifndef MSG_CMSG_CLOEXEC |
2439 | qemu_set_cloexec(fd); | |
2440 | #endif | |
7d174059 MM |
2441 | if (s->msgfd != -1) |
2442 | close(s->msgfd); | |
2443 | s->msgfd = fd; | |
2444 | } | |
2445 | } | |
2446 | ||
9977c894 MM |
2447 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2448 | { | |
2449 | TCPCharDriver *s = chr->opaque; | |
7cba04f6 | 2450 | struct msghdr msg = { NULL, }; |
9977c894 | 2451 | struct iovec iov[1]; |
7d174059 MM |
2452 | union { |
2453 | struct cmsghdr cmsg; | |
2454 | char control[CMSG_SPACE(sizeof(int))]; | |
2455 | } msg_control; | |
06138651 | 2456 | int flags = 0; |
7d174059 | 2457 | ssize_t ret; |
9977c894 MM |
2458 | |
2459 | iov[0].iov_base = buf; | |
2460 | iov[0].iov_len = len; | |
2461 | ||
2462 | msg.msg_iov = iov; | |
2463 | msg.msg_iovlen = 1; | |
7d174059 MM |
2464 | msg.msg_control = &msg_control; |
2465 | msg.msg_controllen = sizeof(msg_control); | |
2466 | ||
06138651 CB |
2467 | #ifdef MSG_CMSG_CLOEXEC |
2468 | flags |= MSG_CMSG_CLOEXEC; | |
2469 | #endif | |
2470 | ret = recvmsg(s->fd, &msg, flags); | |
2471 | if (ret > 0 && s->is_unix) { | |
7d174059 | 2472 | unix_process_msgfd(chr, &msg); |
06138651 | 2473 | } |
9977c894 | 2474 | |
7d174059 | 2475 | return ret; |
9977c894 MM |
2476 | } |
2477 | #else | |
2478 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) | |
2479 | { | |
2480 | TCPCharDriver *s = chr->opaque; | |
00aa0040 | 2481 | return qemu_recv(s->fd, buf, len, 0); |
9977c894 MM |
2482 | } |
2483 | #endif | |
2484 | ||
d3cc5bc4 AS |
2485 | static GSource *tcp_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
2486 | { | |
2487 | TCPCharDriver *s = chr->opaque; | |
2488 | return g_io_create_watch(s->chan, cond); | |
2489 | } | |
2490 | ||
2ea5a7af | 2491 | static gboolean tcp_chr_read(GIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2492 | { |
2493 | CharDriverState *chr = opaque; | |
2494 | TCPCharDriver *s = chr->opaque; | |
9bd7854e | 2495 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2496 | int len, size; |
2497 | ||
2ea5a7af AL |
2498 | if (!s->connected || s->max_size <= 0) { |
2499 | return FALSE; | |
2500 | } | |
6f97dba0 AL |
2501 | len = sizeof(buf); |
2502 | if (len > s->max_size) | |
2503 | len = s->max_size; | |
9977c894 | 2504 | size = tcp_chr_recv(chr, (void *)buf, len); |
6f97dba0 AL |
2505 | if (size == 0) { |
2506 | /* connection closed */ | |
2507 | s->connected = 0; | |
2ea5a7af AL |
2508 | if (s->listen_chan) { |
2509 | s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN, tcp_chr_accept, chr); | |
6f97dba0 | 2510 | } |
2ea5a7af AL |
2511 | g_source_remove(s->tag); |
2512 | s->tag = 0; | |
2513 | g_io_channel_unref(s->chan); | |
2514 | s->chan = NULL; | |
6f97dba0 AL |
2515 | closesocket(s->fd); |
2516 | s->fd = -1; | |
a425d23f | 2517 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2518 | } else if (size > 0) { |
2519 | if (s->do_telnetopt) | |
2520 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2521 | if (size > 0) | |
fa5efccb | 2522 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 2523 | } |
2ea5a7af AL |
2524 | |
2525 | return TRUE; | |
6f97dba0 AL |
2526 | } |
2527 | ||
68c18d1c BS |
2528 | #ifndef _WIN32 |
2529 | CharDriverState *qemu_chr_open_eventfd(int eventfd) | |
2530 | { | |
6cbf4c8c | 2531 | return qemu_chr_open_fd(eventfd, eventfd); |
6cbf4c8c | 2532 | } |
68c18d1c | 2533 | #endif |
6cbf4c8c | 2534 | |
6f97dba0 AL |
2535 | static void tcp_chr_connect(void *opaque) |
2536 | { | |
2537 | CharDriverState *chr = opaque; | |
2538 | TCPCharDriver *s = chr->opaque; | |
2539 | ||
2540 | s->connected = 1; | |
2ea5a7af AL |
2541 | if (s->chan) { |
2542 | s->tag = io_add_watch_poll(s->chan, tcp_chr_read_poll, tcp_chr_read, chr); | |
bbdd2ad0 | 2543 | } |
fee204fd | 2544 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
2545 | } |
2546 | ||
2547 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2548 | static void tcp_chr_telnet_init(int fd) | |
2549 | { | |
2550 | char buf[3]; | |
2551 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2552 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2553 | send(fd, (char *)buf, 3, 0); | |
2554 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2555 | send(fd, (char *)buf, 3, 0); | |
2556 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2557 | send(fd, (char *)buf, 3, 0); | |
2558 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2559 | send(fd, (char *)buf, 3, 0); | |
2560 | } | |
2561 | ||
13661089 DB |
2562 | static int tcp_chr_add_client(CharDriverState *chr, int fd) |
2563 | { | |
2564 | TCPCharDriver *s = chr->opaque; | |
2565 | if (s->fd != -1) | |
2566 | return -1; | |
2567 | ||
f9e8cacc | 2568 | qemu_set_nonblock(fd); |
13661089 DB |
2569 | if (s->do_nodelay) |
2570 | socket_set_nodelay(fd); | |
2571 | s->fd = fd; | |
2ea5a7af AL |
2572 | s->chan = io_channel_from_socket(fd); |
2573 | g_source_remove(s->listen_tag); | |
2574 | s->listen_tag = 0; | |
13661089 DB |
2575 | tcp_chr_connect(chr); |
2576 | ||
2577 | return 0; | |
2578 | } | |
2579 | ||
2ea5a7af | 2580 | static gboolean tcp_chr_accept(GIOChannel *channel, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2581 | { |
2582 | CharDriverState *chr = opaque; | |
2583 | TCPCharDriver *s = chr->opaque; | |
2584 | struct sockaddr_in saddr; | |
2585 | #ifndef _WIN32 | |
2586 | struct sockaddr_un uaddr; | |
2587 | #endif | |
2588 | struct sockaddr *addr; | |
2589 | socklen_t len; | |
2590 | int fd; | |
2591 | ||
2592 | for(;;) { | |
2593 | #ifndef _WIN32 | |
2594 | if (s->is_unix) { | |
2595 | len = sizeof(uaddr); | |
2596 | addr = (struct sockaddr *)&uaddr; | |
2597 | } else | |
2598 | #endif | |
2599 | { | |
2600 | len = sizeof(saddr); | |
2601 | addr = (struct sockaddr *)&saddr; | |
2602 | } | |
40ff6d7e | 2603 | fd = qemu_accept(s->listen_fd, addr, &len); |
6f97dba0 | 2604 | if (fd < 0 && errno != EINTR) { |
2ea5a7af | 2605 | return FALSE; |
6f97dba0 AL |
2606 | } else if (fd >= 0) { |
2607 | if (s->do_telnetopt) | |
2608 | tcp_chr_telnet_init(fd); | |
2609 | break; | |
2610 | } | |
2611 | } | |
13661089 DB |
2612 | if (tcp_chr_add_client(chr, fd) < 0) |
2613 | close(fd); | |
2ea5a7af AL |
2614 | |
2615 | return TRUE; | |
6f97dba0 AL |
2616 | } |
2617 | ||
2618 | static void tcp_chr_close(CharDriverState *chr) | |
2619 | { | |
2620 | TCPCharDriver *s = chr->opaque; | |
819f56b7 | 2621 | if (s->fd >= 0) { |
2ea5a7af AL |
2622 | if (s->tag) { |
2623 | g_source_remove(s->tag); | |
2624 | } | |
2625 | if (s->chan) { | |
2626 | g_io_channel_unref(s->chan); | |
2627 | } | |
6f97dba0 | 2628 | closesocket(s->fd); |
819f56b7 AL |
2629 | } |
2630 | if (s->listen_fd >= 0) { | |
2ea5a7af AL |
2631 | if (s->listen_tag) { |
2632 | g_source_remove(s->listen_tag); | |
2633 | } | |
2634 | if (s->listen_chan) { | |
2635 | g_io_channel_unref(s->listen_chan); | |
2636 | } | |
6f97dba0 | 2637 | closesocket(s->listen_fd); |
819f56b7 | 2638 | } |
7267c094 | 2639 | g_free(s); |
a425d23f | 2640 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2641 | } |
2642 | ||
f6bd5d6e GH |
2643 | static CharDriverState *qemu_chr_open_socket_fd(int fd, bool do_nodelay, |
2644 | bool is_listen, bool is_telnet, | |
2645 | bool is_waitconnect, | |
2646 | Error **errp) | |
6f97dba0 AL |
2647 | { |
2648 | CharDriverState *chr = NULL; | |
2649 | TCPCharDriver *s = NULL; | |
f6bd5d6e GH |
2650 | char host[NI_MAXHOST], serv[NI_MAXSERV]; |
2651 | const char *left = "", *right = ""; | |
2652 | struct sockaddr_storage ss; | |
2653 | socklen_t ss_len = sizeof(ss); | |
2654 | ||
2655 | memset(&ss, 0, ss_len); | |
2656 | if (getsockname(fd, (struct sockaddr *) &ss, &ss_len) != 0) { | |
2657 | error_setg(errp, "getsockname: %s", strerror(errno)); | |
2658 | return NULL; | |
2659 | } | |
2660 | ||
2661 | chr = g_malloc0(sizeof(CharDriverState)); | |
2662 | s = g_malloc0(sizeof(TCPCharDriver)); | |
2663 | ||
2664 | s->connected = 0; | |
2665 | s->fd = -1; | |
2666 | s->listen_fd = -1; | |
2667 | s->msgfd = -1; | |
2668 | ||
2669 | chr->filename = g_malloc(256); | |
2670 | switch (ss.ss_family) { | |
2671 | #ifndef _WIN32 | |
2672 | case AF_UNIX: | |
2673 | s->is_unix = 1; | |
2674 | snprintf(chr->filename, 256, "unix:%s%s", | |
2675 | ((struct sockaddr_un *)(&ss))->sun_path, | |
2676 | is_listen ? ",server" : ""); | |
2677 | break; | |
2678 | #endif | |
2679 | case AF_INET6: | |
2680 | left = "["; | |
2681 | right = "]"; | |
2682 | /* fall through */ | |
2683 | case AF_INET: | |
2684 | s->do_nodelay = do_nodelay; | |
2685 | getnameinfo((struct sockaddr *) &ss, ss_len, host, sizeof(host), | |
2686 | serv, sizeof(serv), NI_NUMERICHOST | NI_NUMERICSERV); | |
e5545854 | 2687 | snprintf(chr->filename, 256, "%s:%s%s%s:%s%s", |
f6bd5d6e GH |
2688 | is_telnet ? "telnet" : "tcp", |
2689 | left, host, right, serv, | |
2690 | is_listen ? ",server" : ""); | |
2691 | break; | |
2692 | } | |
2693 | ||
2694 | chr->opaque = s; | |
2695 | chr->chr_write = tcp_chr_write; | |
2696 | chr->chr_close = tcp_chr_close; | |
2697 | chr->get_msgfd = tcp_get_msgfd; | |
2698 | chr->chr_add_client = tcp_chr_add_client; | |
d3cc5bc4 | 2699 | chr->chr_add_watch = tcp_chr_add_watch; |
f6bd5d6e GH |
2700 | |
2701 | if (is_listen) { | |
2702 | s->listen_fd = fd; | |
2ea5a7af AL |
2703 | s->listen_chan = io_channel_from_socket(s->listen_fd); |
2704 | s->listen_tag = g_io_add_watch(s->listen_chan, G_IO_IN, tcp_chr_accept, chr); | |
f6bd5d6e GH |
2705 | if (is_telnet) { |
2706 | s->do_telnetopt = 1; | |
2707 | } | |
2708 | } else { | |
2709 | s->connected = 1; | |
2710 | s->fd = fd; | |
2711 | socket_set_nodelay(fd); | |
2ea5a7af | 2712 | s->chan = io_channel_from_socket(s->fd); |
f6bd5d6e GH |
2713 | tcp_chr_connect(chr); |
2714 | } | |
2715 | ||
2716 | if (is_listen && is_waitconnect) { | |
2717 | printf("QEMU waiting for connection on: %s\n", | |
2718 | chr->filename); | |
2ea5a7af | 2719 | tcp_chr_accept(s->listen_chan, G_IO_IN, chr); |
f9e8cacc | 2720 | qemu_set_nonblock(s->listen_fd); |
f6bd5d6e GH |
2721 | } |
2722 | return chr; | |
2723 | } | |
2724 | ||
2725 | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) | |
2726 | { | |
2727 | CharDriverState *chr = NULL; | |
87d5f24f | 2728 | Error *local_err = NULL; |
aeb2c47a GH |
2729 | int fd = -1; |
2730 | int is_listen; | |
2731 | int is_waitconnect; | |
2732 | int do_nodelay; | |
2733 | int is_unix; | |
2734 | int is_telnet; | |
2735 | ||
2736 | is_listen = qemu_opt_get_bool(opts, "server", 0); | |
2737 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); | |
2738 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); | |
2739 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); | |
2740 | is_unix = qemu_opt_get(opts, "path") != NULL; | |
6f97dba0 AL |
2741 | if (!is_listen) |
2742 | is_waitconnect = 0; | |
2743 | ||
f07b6003 AL |
2744 | if (is_unix) { |
2745 | if (is_listen) { | |
87d5f24f | 2746 | fd = unix_listen_opts(opts, &local_err); |
f07b6003 | 2747 | } else { |
87d5f24f | 2748 | fd = unix_connect_opts(opts, &local_err, NULL, NULL); |
f07b6003 AL |
2749 | } |
2750 | } else { | |
2751 | if (is_listen) { | |
87d5f24f | 2752 | fd = inet_listen_opts(opts, 0, &local_err); |
f07b6003 | 2753 | } else { |
87d5f24f | 2754 | fd = inet_connect_opts(opts, &local_err, NULL, NULL); |
f07b6003 AL |
2755 | } |
2756 | } | |
a89dd6c3 | 2757 | if (fd < 0) { |
6f97dba0 | 2758 | goto fail; |
a89dd6c3 | 2759 | } |
6f97dba0 AL |
2760 | |
2761 | if (!is_waitconnect) | |
f9e8cacc | 2762 | qemu_set_nonblock(fd); |
6f97dba0 | 2763 | |
f6bd5d6e GH |
2764 | chr = qemu_chr_open_socket_fd(fd, do_nodelay, is_listen, is_telnet, |
2765 | is_waitconnect, &local_err); | |
2766 | if (error_is_set(&local_err)) { | |
2767 | goto fail; | |
6f97dba0 | 2768 | } |
1f51470d | 2769 | return chr; |
aeb2c47a | 2770 | |
f6bd5d6e | 2771 | |
6f97dba0 | 2772 | fail: |
87d5f24f PB |
2773 | if (local_err) { |
2774 | qerror_report_err(local_err); | |
2775 | error_free(local_err); | |
2776 | } | |
2777 | if (fd >= 0) { | |
6f97dba0 | 2778 | closesocket(fd); |
87d5f24f | 2779 | } |
f6bd5d6e GH |
2780 | if (chr) { |
2781 | g_free(chr->opaque); | |
2782 | g_free(chr); | |
2783 | } | |
1f51470d | 2784 | return NULL; |
6f97dba0 AL |
2785 | } |
2786 | ||
51767e7c | 2787 | /*********************************************************/ |
3949e594 | 2788 | /* Ring buffer chardev */ |
51767e7c LL |
2789 | |
2790 | typedef struct { | |
2791 | size_t size; | |
2792 | size_t prod; | |
2793 | size_t cons; | |
2794 | uint8_t *cbuf; | |
3949e594 | 2795 | } RingBufCharDriver; |
51767e7c | 2796 | |
3949e594 | 2797 | static size_t ringbuf_count(const CharDriverState *chr) |
51767e7c | 2798 | { |
3949e594 | 2799 | const RingBufCharDriver *d = chr->opaque; |
51767e7c | 2800 | |
5c230105 | 2801 | return d->prod - d->cons; |
51767e7c LL |
2802 | } |
2803 | ||
3949e594 | 2804 | static int ringbuf_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
51767e7c | 2805 | { |
3949e594 | 2806 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2807 | int i; |
2808 | ||
2809 | if (!buf || (len < 0)) { | |
2810 | return -1; | |
2811 | } | |
2812 | ||
2813 | for (i = 0; i < len; i++ ) { | |
5c230105 MA |
2814 | d->cbuf[d->prod++ & (d->size - 1)] = buf[i]; |
2815 | if (d->prod - d->cons > d->size) { | |
51767e7c LL |
2816 | d->cons = d->prod - d->size; |
2817 | } | |
2818 | } | |
2819 | ||
2820 | return 0; | |
2821 | } | |
2822 | ||
3949e594 | 2823 | static int ringbuf_chr_read(CharDriverState *chr, uint8_t *buf, int len) |
51767e7c | 2824 | { |
3949e594 | 2825 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2826 | int i; |
2827 | ||
5c230105 MA |
2828 | for (i = 0; i < len && d->cons != d->prod; i++) { |
2829 | buf[i] = d->cbuf[d->cons++ & (d->size - 1)]; | |
51767e7c LL |
2830 | } |
2831 | ||
2832 | return i; | |
2833 | } | |
2834 | ||
3949e594 | 2835 | static void ringbuf_chr_close(struct CharDriverState *chr) |
51767e7c | 2836 | { |
3949e594 | 2837 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
2838 | |
2839 | g_free(d->cbuf); | |
2840 | g_free(d); | |
2841 | chr->opaque = NULL; | |
2842 | } | |
2843 | ||
1da48c65 GH |
2844 | static CharDriverState *qemu_chr_open_ringbuf(ChardevRingbuf *opts, |
2845 | Error **errp) | |
51767e7c LL |
2846 | { |
2847 | CharDriverState *chr; | |
3949e594 | 2848 | RingBufCharDriver *d; |
51767e7c LL |
2849 | |
2850 | chr = g_malloc0(sizeof(CharDriverState)); | |
2851 | d = g_malloc(sizeof(*d)); | |
2852 | ||
1da48c65 | 2853 | d->size = opts->has_size ? opts->size : 65536; |
51767e7c LL |
2854 | |
2855 | /* The size must be power of 2 */ | |
2856 | if (d->size & (d->size - 1)) { | |
1da48c65 | 2857 | error_setg(errp, "size of ringbuf chardev must be power of two"); |
51767e7c LL |
2858 | goto fail; |
2859 | } | |
2860 | ||
2861 | d->prod = 0; | |
2862 | d->cons = 0; | |
2863 | d->cbuf = g_malloc0(d->size); | |
2864 | ||
2865 | chr->opaque = d; | |
3949e594 MA |
2866 | chr->chr_write = ringbuf_chr_write; |
2867 | chr->chr_close = ringbuf_chr_close; | |
51767e7c LL |
2868 | |
2869 | return chr; | |
2870 | ||
2871 | fail: | |
2872 | g_free(d); | |
2873 | g_free(chr); | |
2874 | return NULL; | |
2875 | } | |
2876 | ||
3949e594 | 2877 | static bool chr_is_ringbuf(const CharDriverState *chr) |
1f590cf9 | 2878 | { |
3949e594 | 2879 | return chr->chr_write == ringbuf_chr_write; |
1f590cf9 LL |
2880 | } |
2881 | ||
3949e594 | 2882 | void qmp_ringbuf_write(const char *device, const char *data, |
82e59a67 | 2883 | bool has_format, enum DataFormat format, |
1f590cf9 LL |
2884 | Error **errp) |
2885 | { | |
2886 | CharDriverState *chr; | |
c4f331b6 | 2887 | const uint8_t *write_data; |
1f590cf9 | 2888 | int ret; |
c4f331b6 | 2889 | size_t write_count; |
1f590cf9 LL |
2890 | |
2891 | chr = qemu_chr_find(device); | |
2892 | if (!chr) { | |
1a69278e | 2893 | error_setg(errp, "Device '%s' not found", device); |
1f590cf9 LL |
2894 | return; |
2895 | } | |
2896 | ||
3949e594 MA |
2897 | if (!chr_is_ringbuf(chr)) { |
2898 | error_setg(errp,"%s is not a ringbuf device", device); | |
1f590cf9 LL |
2899 | return; |
2900 | } | |
2901 | ||
1f590cf9 LL |
2902 | if (has_format && (format == DATA_FORMAT_BASE64)) { |
2903 | write_data = g_base64_decode(data, &write_count); | |
2904 | } else { | |
2905 | write_data = (uint8_t *)data; | |
82e59a67 | 2906 | write_count = strlen(data); |
1f590cf9 LL |
2907 | } |
2908 | ||
3949e594 | 2909 | ret = ringbuf_chr_write(chr, write_data, write_count); |
1f590cf9 | 2910 | |
13289fb5 MA |
2911 | if (write_data != (uint8_t *)data) { |
2912 | g_free((void *)write_data); | |
2913 | } | |
2914 | ||
1f590cf9 LL |
2915 | if (ret < 0) { |
2916 | error_setg(errp, "Failed to write to device %s", device); | |
2917 | return; | |
2918 | } | |
2919 | } | |
2920 | ||
3949e594 | 2921 | char *qmp_ringbuf_read(const char *device, int64_t size, |
3ab651fc MA |
2922 | bool has_format, enum DataFormat format, |
2923 | Error **errp) | |
49b6d722 LL |
2924 | { |
2925 | CharDriverState *chr; | |
c4f331b6 | 2926 | uint8_t *read_data; |
49b6d722 | 2927 | size_t count; |
3ab651fc | 2928 | char *data; |
49b6d722 LL |
2929 | |
2930 | chr = qemu_chr_find(device); | |
2931 | if (!chr) { | |
1a69278e | 2932 | error_setg(errp, "Device '%s' not found", device); |
49b6d722 LL |
2933 | return NULL; |
2934 | } | |
2935 | ||
3949e594 MA |
2936 | if (!chr_is_ringbuf(chr)) { |
2937 | error_setg(errp,"%s is not a ringbuf device", device); | |
49b6d722 LL |
2938 | return NULL; |
2939 | } | |
2940 | ||
2941 | if (size <= 0) { | |
2942 | error_setg(errp, "size must be greater than zero"); | |
2943 | return NULL; | |
2944 | } | |
2945 | ||
3949e594 | 2946 | count = ringbuf_count(chr); |
49b6d722 | 2947 | size = size > count ? count : size; |
44f3bcd2 | 2948 | read_data = g_malloc(size + 1); |
49b6d722 | 2949 | |
3949e594 | 2950 | ringbuf_chr_read(chr, read_data, size); |
49b6d722 LL |
2951 | |
2952 | if (has_format && (format == DATA_FORMAT_BASE64)) { | |
3ab651fc | 2953 | data = g_base64_encode(read_data, size); |
13289fb5 | 2954 | g_free(read_data); |
49b6d722 | 2955 | } else { |
3949e594 MA |
2956 | /* |
2957 | * FIXME should read only complete, valid UTF-8 characters up | |
2958 | * to @size bytes. Invalid sequences should be replaced by a | |
2959 | * suitable replacement character. Except when (and only | |
2960 | * when) ring buffer lost characters since last read, initial | |
2961 | * continuation characters should be dropped. | |
2962 | */ | |
44f3bcd2 | 2963 | read_data[size] = 0; |
3ab651fc | 2964 | data = (char *)read_data; |
49b6d722 LL |
2965 | } |
2966 | ||
3ab651fc | 2967 | return data; |
49b6d722 LL |
2968 | } |
2969 | ||
33521634 | 2970 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 2971 | { |
6ea314d9 | 2972 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 2973 | int pos; |
7d31544f | 2974 | const char *p; |
191bc01b | 2975 | QemuOpts *opts; |
8be7e7e4 | 2976 | Error *local_err = NULL; |
191bc01b | 2977 | |
8be7e7e4 LC |
2978 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1, &local_err); |
2979 | if (error_is_set(&local_err)) { | |
2980 | qerror_report_err(local_err); | |
2981 | error_free(local_err); | |
191bc01b | 2982 | return NULL; |
8be7e7e4 | 2983 | } |
191bc01b | 2984 | |
7591c5c1 GH |
2985 | if (strstart(filename, "mon:", &p)) { |
2986 | filename = p; | |
2987 | qemu_opt_set(opts, "mux", "on"); | |
2988 | } | |
2989 | ||
f0457e8d GH |
2990 | if (strcmp(filename, "null") == 0 || |
2991 | strcmp(filename, "pty") == 0 || | |
2992 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 2993 | strcmp(filename, "braille") == 0 || |
f0457e8d | 2994 | strcmp(filename, "stdio") == 0) { |
4490dadf | 2995 | qemu_opt_set(opts, "backend", filename); |
191bc01b GH |
2996 | return opts; |
2997 | } | |
6ea314d9 GH |
2998 | if (strstart(filename, "vc", &p)) { |
2999 | qemu_opt_set(opts, "backend", "vc"); | |
3000 | if (*p == ':') { | |
3001 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { | |
3002 | /* pixels */ | |
3003 | qemu_opt_set(opts, "width", width); | |
3004 | qemu_opt_set(opts, "height", height); | |
3005 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { | |
3006 | /* chars */ | |
3007 | qemu_opt_set(opts, "cols", width); | |
3008 | qemu_opt_set(opts, "rows", height); | |
3009 | } else { | |
3010 | goto fail; | |
3011 | } | |
3012 | } | |
3013 | return opts; | |
3014 | } | |
d6c983cd GH |
3015 | if (strcmp(filename, "con:") == 0) { |
3016 | qemu_opt_set(opts, "backend", "console"); | |
3017 | return opts; | |
3018 | } | |
48b76496 GH |
3019 | if (strstart(filename, "COM", NULL)) { |
3020 | qemu_opt_set(opts, "backend", "serial"); | |
3021 | qemu_opt_set(opts, "path", filename); | |
3022 | return opts; | |
3023 | } | |
7d31544f GH |
3024 | if (strstart(filename, "file:", &p)) { |
3025 | qemu_opt_set(opts, "backend", "file"); | |
3026 | qemu_opt_set(opts, "path", p); | |
3027 | return opts; | |
3028 | } | |
3029 | if (strstart(filename, "pipe:", &p)) { | |
3030 | qemu_opt_set(opts, "backend", "pipe"); | |
3031 | qemu_opt_set(opts, "path", p); | |
3032 | return opts; | |
3033 | } | |
aeb2c47a GH |
3034 | if (strstart(filename, "tcp:", &p) || |
3035 | strstart(filename, "telnet:", &p)) { | |
3036 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3037 | host[0] = 0; | |
3038 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
3039 | goto fail; | |
3040 | } | |
3041 | qemu_opt_set(opts, "backend", "socket"); | |
3042 | qemu_opt_set(opts, "host", host); | |
3043 | qemu_opt_set(opts, "port", port); | |
3044 | if (p[pos] == ',') { | |
3045 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) | |
3046 | goto fail; | |
3047 | } | |
3048 | if (strstart(filename, "telnet:", &p)) | |
3049 | qemu_opt_set(opts, "telnet", "on"); | |
3050 | return opts; | |
3051 | } | |
7e1b35b4 GH |
3052 | if (strstart(filename, "udp:", &p)) { |
3053 | qemu_opt_set(opts, "backend", "udp"); | |
3054 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { | |
3055 | host[0] = 0; | |
39324ca4 | 3056 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
3057 | goto fail; |
3058 | } | |
3059 | } | |
3060 | qemu_opt_set(opts, "host", host); | |
3061 | qemu_opt_set(opts, "port", port); | |
3062 | if (p[pos] == '@') { | |
3063 | p += pos + 1; | |
3064 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3065 | host[0] = 0; | |
3066 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
3067 | goto fail; |
3068 | } | |
3069 | } | |
3070 | qemu_opt_set(opts, "localaddr", host); | |
3071 | qemu_opt_set(opts, "localport", port); | |
3072 | } | |
3073 | return opts; | |
3074 | } | |
aeb2c47a GH |
3075 | if (strstart(filename, "unix:", &p)) { |
3076 | qemu_opt_set(opts, "backend", "socket"); | |
3077 | if (qemu_opts_do_parse(opts, p, "path") != 0) | |
3078 | goto fail; | |
3079 | return opts; | |
3080 | } | |
48b76496 GH |
3081 | if (strstart(filename, "/dev/parport", NULL) || |
3082 | strstart(filename, "/dev/ppi", NULL)) { | |
3083 | qemu_opt_set(opts, "backend", "parport"); | |
3084 | qemu_opt_set(opts, "path", filename); | |
3085 | return opts; | |
3086 | } | |
3087 | if (strstart(filename, "/dev/", NULL)) { | |
3088 | qemu_opt_set(opts, "backend", "tty"); | |
3089 | qemu_opt_set(opts, "path", filename); | |
3090 | return opts; | |
3091 | } | |
191bc01b | 3092 | |
aeb2c47a | 3093 | fail: |
191bc01b GH |
3094 | qemu_opts_del(opts); |
3095 | return NULL; | |
3096 | } | |
3097 | ||
846e2e49 GH |
3098 | static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend, |
3099 | Error **errp) | |
3100 | { | |
3101 | const char *path = qemu_opt_get(opts, "path"); | |
3102 | ||
3103 | if (path == NULL) { | |
3104 | error_setg(errp, "chardev: file: no filename given"); | |
3105 | return; | |
3106 | } | |
3107 | backend->file = g_new0(ChardevFile, 1); | |
3108 | backend->file->out = g_strdup(path); | |
3109 | } | |
3110 | ||
7c358031 GH |
3111 | static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend, |
3112 | Error **errp) | |
3113 | { | |
3114 | backend->stdio = g_new0(ChardevStdio, 1); | |
3115 | backend->stdio->has_signal = true; | |
3116 | backend->stdio->signal = | |
3117 | qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC); | |
3118 | } | |
3119 | ||
0f1cb51d GH |
3120 | static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend, |
3121 | Error **errp) | |
3122 | { | |
3123 | const char *device = qemu_opt_get(opts, "path"); | |
3124 | ||
3125 | if (device == NULL) { | |
3126 | error_setg(errp, "chardev: serial/tty: no device path given"); | |
3127 | return; | |
3128 | } | |
3129 | backend->serial = g_new0(ChardevHostdev, 1); | |
3130 | backend->serial->device = g_strdup(device); | |
3131 | } | |
3132 | ||
dc375097 GH |
3133 | static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend, |
3134 | Error **errp) | |
3135 | { | |
3136 | const char *device = qemu_opt_get(opts, "path"); | |
3137 | ||
3138 | if (device == NULL) { | |
3139 | error_setg(errp, "chardev: parallel: no device path given"); | |
3140 | return; | |
3141 | } | |
3142 | backend->parallel = g_new0(ChardevHostdev, 1); | |
3143 | backend->parallel->device = g_strdup(device); | |
3144 | } | |
3145 | ||
548cbb36 GH |
3146 | static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend, |
3147 | Error **errp) | |
3148 | { | |
3149 | const char *device = qemu_opt_get(opts, "path"); | |
3150 | ||
3151 | if (device == NULL) { | |
3152 | error_setg(errp, "chardev: pipe: no device path given"); | |
3153 | return; | |
3154 | } | |
3155 | backend->pipe = g_new0(ChardevHostdev, 1); | |
3156 | backend->pipe->device = g_strdup(device); | |
3157 | } | |
3158 | ||
1da48c65 GH |
3159 | static void qemu_chr_parse_ringbuf(QemuOpts *opts, ChardevBackend *backend, |
3160 | Error **errp) | |
3161 | { | |
3162 | int val; | |
3163 | ||
3164 | backend->memory = g_new0(ChardevRingbuf, 1); | |
3165 | ||
3166 | val = qemu_opt_get_number(opts, "size", 0); | |
3167 | if (val != 0) { | |
3168 | backend->memory->has_size = true; | |
3169 | backend->memory->size = val; | |
3170 | } | |
3171 | } | |
3172 | ||
d654f34e | 3173 | typedef struct CharDriver { |
191bc01b | 3174 | const char *name; |
2c5f4882 | 3175 | /* old, pre qapi */ |
1f51470d | 3176 | CharDriverState *(*open)(QemuOpts *opts); |
2c5f4882 GH |
3177 | /* new, qapi-based */ |
3178 | int kind; | |
3179 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp); | |
d654f34e AL |
3180 | } CharDriver; |
3181 | ||
3182 | static GSList *backends; | |
3183 | ||
3184 | void register_char_driver(const char *name, CharDriverState *(*open)(QemuOpts *)) | |
3185 | { | |
3186 | CharDriver *s; | |
3187 | ||
3188 | s = g_malloc0(sizeof(*s)); | |
3189 | s->name = g_strdup(name); | |
3190 | s->open = open; | |
3191 | ||
3192 | backends = g_slist_append(backends, s); | |
3193 | } | |
191bc01b | 3194 | |
2c5f4882 GH |
3195 | void register_char_driver_qapi(const char *name, int kind, |
3196 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp)) | |
3197 | { | |
3198 | CharDriver *s; | |
3199 | ||
3200 | s = g_malloc0(sizeof(*s)); | |
3201 | s->name = g_strdup(name); | |
3202 | s->kind = kind; | |
3203 | s->parse = parse; | |
3204 | ||
3205 | backends = g_slist_append(backends, s); | |
3206 | } | |
3207 | ||
f69554b9 | 3208 | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, |
bd2d80b2 GH |
3209 | void (*init)(struct CharDriverState *s), |
3210 | Error **errp) | |
191bc01b | 3211 | { |
d654f34e | 3212 | CharDriver *cd; |
191bc01b | 3213 | CharDriverState *chr; |
d654f34e | 3214 | GSList *i; |
191bc01b GH |
3215 | |
3216 | if (qemu_opts_id(opts) == NULL) { | |
312fd5f2 | 3217 | error_setg(errp, "chardev: no id specified"); |
2274ae9d | 3218 | goto err; |
191bc01b GH |
3219 | } |
3220 | ||
1bbd185f | 3221 | if (qemu_opt_get(opts, "backend") == NULL) { |
312fd5f2 | 3222 | error_setg(errp, "chardev: \"%s\" missing backend", |
bd2d80b2 | 3223 | qemu_opts_id(opts)); |
2274ae9d | 3224 | goto err; |
1bbd185f | 3225 | } |
d654f34e AL |
3226 | for (i = backends; i; i = i->next) { |
3227 | cd = i->data; | |
3228 | ||
3229 | if (strcmp(cd->name, qemu_opt_get(opts, "backend")) == 0) { | |
191bc01b | 3230 | break; |
d654f34e | 3231 | } |
191bc01b | 3232 | } |
d654f34e | 3233 | if (i == NULL) { |
312fd5f2 | 3234 | error_setg(errp, "chardev: backend \"%s\" not found", |
bd2d80b2 | 3235 | qemu_opt_get(opts, "backend")); |
d654f34e | 3236 | return NULL; |
191bc01b GH |
3237 | } |
3238 | ||
2c5f4882 GH |
3239 | if (!cd->open) { |
3240 | /* using new, qapi init */ | |
3241 | ChardevBackend *backend = g_new0(ChardevBackend, 1); | |
3242 | ChardevReturn *ret = NULL; | |
3243 | const char *id = qemu_opts_id(opts); | |
edb2fb3c GH |
3244 | const char *bid = NULL; |
3245 | ||
3246 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
3247 | bid = g_strdup_printf("%s-base", id); | |
3248 | } | |
2c5f4882 GH |
3249 | |
3250 | chr = NULL; | |
3251 | backend->kind = cd->kind; | |
3252 | if (cd->parse) { | |
3253 | cd->parse(opts, backend, errp); | |
3254 | if (error_is_set(errp)) { | |
3255 | goto qapi_out; | |
3256 | } | |
3257 | } | |
edb2fb3c | 3258 | ret = qmp_chardev_add(bid ? bid : id, backend, errp); |
2c5f4882 GH |
3259 | if (error_is_set(errp)) { |
3260 | goto qapi_out; | |
3261 | } | |
edb2fb3c GH |
3262 | |
3263 | if (bid) { | |
3264 | qapi_free_ChardevBackend(backend); | |
3265 | qapi_free_ChardevReturn(ret); | |
3266 | backend = g_new0(ChardevBackend, 1); | |
3267 | backend->mux = g_new0(ChardevMux, 1); | |
3268 | backend->kind = CHARDEV_BACKEND_KIND_MUX; | |
3269 | backend->mux->chardev = g_strdup(bid); | |
3270 | ret = qmp_chardev_add(id, backend, errp); | |
3271 | if (error_is_set(errp)) { | |
3272 | goto qapi_out; | |
3273 | } | |
3274 | } | |
3275 | ||
2c5f4882 GH |
3276 | chr = qemu_chr_find(id); |
3277 | ||
3278 | qapi_out: | |
3279 | qapi_free_ChardevBackend(backend); | |
3280 | qapi_free_ChardevReturn(ret); | |
3281 | return chr; | |
3282 | } | |
3283 | ||
d654f34e | 3284 | chr = cd->open(opts); |
1f51470d | 3285 | if (!chr) { |
312fd5f2 | 3286 | error_setg(errp, "chardev: opening backend \"%s\" failed", |
bd2d80b2 | 3287 | qemu_opt_get(opts, "backend")); |
2274ae9d | 3288 | goto err; |
191bc01b GH |
3289 | } |
3290 | ||
3291 | if (!chr->filename) | |
7267c094 | 3292 | chr->filename = g_strdup(qemu_opt_get(opts, "backend")); |
191bc01b | 3293 | chr->init = init; |
72cf2d4f | 3294 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
7591c5c1 GH |
3295 | |
3296 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
3297 | CharDriverState *base = chr; | |
3298 | int len = strlen(qemu_opts_id(opts)) + 6; | |
7267c094 | 3299 | base->label = g_malloc(len); |
7591c5c1 GH |
3300 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); |
3301 | chr = qemu_chr_open_mux(base); | |
3302 | chr->filename = base->filename; | |
d5b27167 | 3303 | chr->avail_connections = MAX_MUX; |
72cf2d4f | 3304 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
d5b27167 KK |
3305 | } else { |
3306 | chr->avail_connections = 1; | |
7591c5c1 | 3307 | } |
7267c094 | 3308 | chr->label = g_strdup(qemu_opts_id(opts)); |
2274ae9d | 3309 | chr->opts = opts; |
191bc01b | 3310 | return chr; |
2274ae9d GH |
3311 | |
3312 | err: | |
3313 | qemu_opts_del(opts); | |
3314 | return NULL; | |
191bc01b GH |
3315 | } |
3316 | ||
27143a44 | 3317 | CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
3318 | { |
3319 | const char *p; | |
3320 | CharDriverState *chr; | |
191bc01b | 3321 | QemuOpts *opts; |
bd2d80b2 | 3322 | Error *err = NULL; |
191bc01b | 3323 | |
c845f401 GH |
3324 | if (strstart(filename, "chardev:", &p)) { |
3325 | return qemu_chr_find(p); | |
3326 | } | |
3327 | ||
191bc01b | 3328 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
3329 | if (!opts) |
3330 | return NULL; | |
6f97dba0 | 3331 | |
bd2d80b2 GH |
3332 | chr = qemu_chr_new_from_opts(opts, init, &err); |
3333 | if (error_is_set(&err)) { | |
3334 | fprintf(stderr, "%s\n", error_get_pretty(err)); | |
3335 | error_free(err); | |
3336 | } | |
7e1b35b4 | 3337 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
456d6069 | 3338 | qemu_chr_fe_claim_no_fail(chr); |
7e1b35b4 | 3339 | monitor_init(chr, MONITOR_USE_READLINE); |
6f97dba0 AL |
3340 | } |
3341 | return chr; | |
3342 | } | |
3343 | ||
15f31519 | 3344 | void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) |
c48855e1 PB |
3345 | { |
3346 | if (chr->chr_set_echo) { | |
3347 | chr->chr_set_echo(chr, echo); | |
3348 | } | |
3349 | } | |
3350 | ||
8e25daa8 | 3351 | void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open) |
7c32c4fe | 3352 | { |
8e25daa8 | 3353 | if (chr->fe_open == fe_open) { |
c0c4bd2c HG |
3354 | return; |
3355 | } | |
8e25daa8 | 3356 | chr->fe_open = fe_open; |
574b711a HG |
3357 | if (chr->chr_set_fe_open) { |
3358 | chr->chr_set_fe_open(chr, fe_open); | |
7c32c4fe HG |
3359 | } |
3360 | } | |
3361 | ||
2c8a5942 KW |
3362 | int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond, |
3363 | GIOFunc func, void *user_data) | |
23673ca7 AL |
3364 | { |
3365 | GSource *src; | |
3366 | guint tag; | |
3367 | ||
3368 | if (s->chr_add_watch == NULL) { | |
3369 | return -ENOSYS; | |
3370 | } | |
3371 | ||
3372 | src = s->chr_add_watch(s, cond); | |
3373 | g_source_set_callback(src, (GSourceFunc)func, user_data, NULL); | |
3374 | tag = g_source_attach(src, NULL); | |
3375 | g_source_unref(src); | |
3376 | ||
3377 | return tag; | |
3378 | } | |
3379 | ||
44c473de HG |
3380 | int qemu_chr_fe_claim(CharDriverState *s) |
3381 | { | |
3382 | if (s->avail_connections < 1) { | |
3383 | return -1; | |
3384 | } | |
3385 | s->avail_connections--; | |
3386 | return 0; | |
3387 | } | |
3388 | ||
3389 | void qemu_chr_fe_claim_no_fail(CharDriverState *s) | |
3390 | { | |
3391 | if (qemu_chr_fe_claim(s) != 0) { | |
3392 | fprintf(stderr, "%s: error chardev \"%s\" already used\n", | |
3393 | __func__, s->label); | |
3394 | exit(1); | |
3395 | } | |
3396 | } | |
3397 | ||
3398 | void qemu_chr_fe_release(CharDriverState *s) | |
3399 | { | |
3400 | s->avail_connections++; | |
3401 | } | |
3402 | ||
70f24fb6 | 3403 | void qemu_chr_delete(CharDriverState *chr) |
6f97dba0 | 3404 | { |
72cf2d4f | 3405 | QTAILQ_REMOVE(&chardevs, chr, next); |
2274ae9d | 3406 | if (chr->chr_close) { |
6f97dba0 | 3407 | chr->chr_close(chr); |
2274ae9d | 3408 | } |
7267c094 AL |
3409 | g_free(chr->filename); |
3410 | g_free(chr->label); | |
2274ae9d GH |
3411 | if (chr->opts) { |
3412 | qemu_opts_del(chr->opts); | |
3413 | } | |
7267c094 | 3414 | g_free(chr); |
6f97dba0 AL |
3415 | } |
3416 | ||
c5a415a0 | 3417 | ChardevInfoList *qmp_query_chardev(Error **errp) |
6f97dba0 | 3418 | { |
c5a415a0 | 3419 | ChardevInfoList *chr_list = NULL; |
6f97dba0 AL |
3420 | CharDriverState *chr; |
3421 | ||
72cf2d4f | 3422 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c5a415a0 LC |
3423 | ChardevInfoList *info = g_malloc0(sizeof(*info)); |
3424 | info->value = g_malloc0(sizeof(*info->value)); | |
3425 | info->value->label = g_strdup(chr->label); | |
3426 | info->value->filename = g_strdup(chr->filename); | |
3427 | ||
3428 | info->next = chr_list; | |
3429 | chr_list = info; | |
6f97dba0 | 3430 | } |
588b3832 | 3431 | |
c5a415a0 | 3432 | return chr_list; |
6f97dba0 | 3433 | } |
c845f401 GH |
3434 | |
3435 | CharDriverState *qemu_chr_find(const char *name) | |
3436 | { | |
3437 | CharDriverState *chr; | |
3438 | ||
72cf2d4f | 3439 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
3440 | if (strcmp(chr->label, name) != 0) |
3441 | continue; | |
3442 | return chr; | |
3443 | } | |
3444 | return NULL; | |
3445 | } | |
0beb4942 AL |
3446 | |
3447 | /* Get a character (serial) device interface. */ | |
3448 | CharDriverState *qemu_char_get_next_serial(void) | |
3449 | { | |
3450 | static int next_serial; | |
456d6069 | 3451 | CharDriverState *chr; |
0beb4942 AL |
3452 | |
3453 | /* FIXME: This function needs to go away: use chardev properties! */ | |
456d6069 HG |
3454 | |
3455 | while (next_serial < MAX_SERIAL_PORTS && serial_hds[next_serial]) { | |
3456 | chr = serial_hds[next_serial++]; | |
3457 | qemu_chr_fe_claim_no_fail(chr); | |
3458 | return chr; | |
3459 | } | |
3460 | return NULL; | |
0beb4942 AL |
3461 | } |
3462 | ||
4d454574 PB |
3463 | QemuOptsList qemu_chardev_opts = { |
3464 | .name = "chardev", | |
3465 | .implied_opt_name = "backend", | |
3466 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), | |
3467 | .desc = { | |
3468 | { | |
3469 | .name = "backend", | |
3470 | .type = QEMU_OPT_STRING, | |
3471 | },{ | |
3472 | .name = "path", | |
3473 | .type = QEMU_OPT_STRING, | |
3474 | },{ | |
3475 | .name = "host", | |
3476 | .type = QEMU_OPT_STRING, | |
3477 | },{ | |
3478 | .name = "port", | |
3479 | .type = QEMU_OPT_STRING, | |
3480 | },{ | |
3481 | .name = "localaddr", | |
3482 | .type = QEMU_OPT_STRING, | |
3483 | },{ | |
3484 | .name = "localport", | |
3485 | .type = QEMU_OPT_STRING, | |
3486 | },{ | |
3487 | .name = "to", | |
3488 | .type = QEMU_OPT_NUMBER, | |
3489 | },{ | |
3490 | .name = "ipv4", | |
3491 | .type = QEMU_OPT_BOOL, | |
3492 | },{ | |
3493 | .name = "ipv6", | |
3494 | .type = QEMU_OPT_BOOL, | |
3495 | },{ | |
3496 | .name = "wait", | |
3497 | .type = QEMU_OPT_BOOL, | |
3498 | },{ | |
3499 | .name = "server", | |
3500 | .type = QEMU_OPT_BOOL, | |
3501 | },{ | |
3502 | .name = "delay", | |
3503 | .type = QEMU_OPT_BOOL, | |
3504 | },{ | |
3505 | .name = "telnet", | |
3506 | .type = QEMU_OPT_BOOL, | |
3507 | },{ | |
3508 | .name = "width", | |
3509 | .type = QEMU_OPT_NUMBER, | |
3510 | },{ | |
3511 | .name = "height", | |
3512 | .type = QEMU_OPT_NUMBER, | |
3513 | },{ | |
3514 | .name = "cols", | |
3515 | .type = QEMU_OPT_NUMBER, | |
3516 | },{ | |
3517 | .name = "rows", | |
3518 | .type = QEMU_OPT_NUMBER, | |
3519 | },{ | |
3520 | .name = "mux", | |
3521 | .type = QEMU_OPT_BOOL, | |
3522 | },{ | |
3523 | .name = "signal", | |
3524 | .type = QEMU_OPT_BOOL, | |
3525 | },{ | |
3526 | .name = "name", | |
3527 | .type = QEMU_OPT_STRING, | |
3528 | },{ | |
3529 | .name = "debug", | |
3530 | .type = QEMU_OPT_NUMBER, | |
51767e7c | 3531 | },{ |
3949e594 | 3532 | .name = "size", |
de1cc36e | 3533 | .type = QEMU_OPT_SIZE, |
4d454574 PB |
3534 | }, |
3535 | { /* end of list */ } | |
3536 | }, | |
3537 | }; | |
f1a1a356 | 3538 | |
ffbdbe59 GH |
3539 | #ifdef _WIN32 |
3540 | ||
3541 | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) | |
3542 | { | |
3543 | HANDLE out; | |
3544 | ||
3545 | if (file->in) { | |
3546 | error_setg(errp, "input file not supported"); | |
3547 | return NULL; | |
3548 | } | |
3549 | ||
3550 | out = CreateFile(file->out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
3551 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
3552 | if (out == INVALID_HANDLE_VALUE) { | |
3553 | error_setg(errp, "open %s failed", file->out); | |
3554 | return NULL; | |
3555 | } | |
3556 | return qemu_chr_open_win_file(out); | |
3557 | } | |
3558 | ||
d36b2b90 MA |
3559 | static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial, |
3560 | Error **errp) | |
d59044ef | 3561 | { |
d36b2b90 MA |
3562 | return qemu_chr_open_win_path(serial->device); |
3563 | } | |
3564 | ||
3565 | static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel, | |
3566 | Error **errp) | |
3567 | { | |
3568 | error_setg(errp, "character device backend type 'parallel' not supported"); | |
3569 | return NULL; | |
d59044ef GH |
3570 | } |
3571 | ||
ffbdbe59 GH |
3572 | #else /* WIN32 */ |
3573 | ||
3574 | static int qmp_chardev_open_file_source(char *src, int flags, | |
3575 | Error **errp) | |
3576 | { | |
3577 | int fd = -1; | |
3578 | ||
3579 | TFR(fd = qemu_open(src, flags, 0666)); | |
3580 | if (fd == -1) { | |
3581 | error_setg(errp, "open %s: %s", src, strerror(errno)); | |
3582 | } | |
3583 | return fd; | |
3584 | } | |
3585 | ||
3586 | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp) | |
3587 | { | |
3588 | int flags, in = -1, out = -1; | |
3589 | ||
3590 | flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY; | |
3591 | out = qmp_chardev_open_file_source(file->out, flags, errp); | |
3592 | if (error_is_set(errp)) { | |
3593 | return NULL; | |
3594 | } | |
3595 | ||
3596 | if (file->in) { | |
3597 | flags = O_RDONLY; | |
3598 | in = qmp_chardev_open_file_source(file->in, flags, errp); | |
3599 | if (error_is_set(errp)) { | |
3600 | qemu_close(out); | |
3601 | return NULL; | |
3602 | } | |
3603 | } | |
3604 | ||
3605 | return qemu_chr_open_fd(in, out); | |
3606 | } | |
3607 | ||
d36b2b90 MA |
3608 | static CharDriverState *qmp_chardev_open_serial(ChardevHostdev *serial, |
3609 | Error **errp) | |
d59044ef | 3610 | { |
d59044ef | 3611 | #ifdef HAVE_CHARDEV_TTY |
d36b2b90 MA |
3612 | int fd; |
3613 | ||
3614 | fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp); | |
3615 | if (error_is_set(errp)) { | |
3616 | return NULL; | |
39099991 | 3617 | } |
f9e8cacc | 3618 | qemu_set_nonblock(fd); |
d36b2b90 MA |
3619 | return qemu_chr_open_tty_fd(fd); |
3620 | #else | |
3621 | error_setg(errp, "character device backend type 'serial' not supported"); | |
3622 | return NULL; | |
88a946d3 | 3623 | #endif |
d36b2b90 MA |
3624 | } |
3625 | ||
3626 | static CharDriverState *qmp_chardev_open_parallel(ChardevHostdev *parallel, | |
3627 | Error **errp) | |
3628 | { | |
88a946d3 | 3629 | #ifdef HAVE_CHARDEV_PARPORT |
d36b2b90 MA |
3630 | int fd; |
3631 | ||
3632 | fd = qmp_chardev_open_file_source(parallel->device, O_RDWR, errp); | |
3633 | if (error_is_set(errp)) { | |
d59044ef GH |
3634 | return NULL; |
3635 | } | |
d36b2b90 MA |
3636 | return qemu_chr_open_pp_fd(fd); |
3637 | #else | |
3638 | error_setg(errp, "character device backend type 'parallel' not supported"); | |
3639 | return NULL; | |
3640 | #endif | |
d59044ef GH |
3641 | } |
3642 | ||
ffbdbe59 GH |
3643 | #endif /* WIN32 */ |
3644 | ||
f6bd5d6e GH |
3645 | static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock, |
3646 | Error **errp) | |
3647 | { | |
3648 | SocketAddress *addr = sock->addr; | |
3649 | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; | |
3650 | bool is_listen = sock->has_server ? sock->server : true; | |
3651 | bool is_telnet = sock->has_telnet ? sock->telnet : false; | |
3652 | bool is_waitconnect = sock->has_wait ? sock->wait : false; | |
3653 | int fd; | |
3654 | ||
3655 | if (is_listen) { | |
3656 | fd = socket_listen(addr, errp); | |
3657 | } else { | |
3658 | fd = socket_connect(addr, errp, NULL, NULL); | |
3659 | } | |
3660 | if (error_is_set(errp)) { | |
3661 | return NULL; | |
3662 | } | |
3663 | return qemu_chr_open_socket_fd(fd, do_nodelay, is_listen, | |
3664 | is_telnet, is_waitconnect, errp); | |
3665 | } | |
3666 | ||
3ecc059d GH |
3667 | static CharDriverState *qmp_chardev_open_dgram(ChardevDgram *dgram, |
3668 | Error **errp) | |
3669 | { | |
3670 | int fd; | |
3671 | ||
3672 | fd = socket_dgram(dgram->remote, dgram->local, errp); | |
3673 | if (error_is_set(errp)) { | |
3674 | return NULL; | |
3675 | } | |
3676 | return qemu_chr_open_udp_fd(fd); | |
3677 | } | |
3678 | ||
f1a1a356 GH |
3679 | ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, |
3680 | Error **errp) | |
3681 | { | |
3682 | ChardevReturn *ret = g_new0(ChardevReturn, 1); | |
edb2fb3c | 3683 | CharDriverState *base, *chr = NULL; |
f1a1a356 GH |
3684 | |
3685 | chr = qemu_chr_find(id); | |
3686 | if (chr) { | |
3687 | error_setg(errp, "Chardev '%s' already exists", id); | |
3688 | g_free(ret); | |
3689 | return NULL; | |
3690 | } | |
3691 | ||
3692 | switch (backend->kind) { | |
ffbdbe59 GH |
3693 | case CHARDEV_BACKEND_KIND_FILE: |
3694 | chr = qmp_chardev_open_file(backend->file, errp); | |
3695 | break; | |
d36b2b90 MA |
3696 | case CHARDEV_BACKEND_KIND_SERIAL: |
3697 | chr = qmp_chardev_open_serial(backend->serial, errp); | |
3698 | break; | |
3699 | case CHARDEV_BACKEND_KIND_PARALLEL: | |
3700 | chr = qmp_chardev_open_parallel(backend->parallel, errp); | |
d59044ef | 3701 | break; |
548cbb36 GH |
3702 | case CHARDEV_BACKEND_KIND_PIPE: |
3703 | chr = qemu_chr_open_pipe(backend->pipe); | |
3704 | break; | |
f6bd5d6e GH |
3705 | case CHARDEV_BACKEND_KIND_SOCKET: |
3706 | chr = qmp_chardev_open_socket(backend->socket, errp); | |
3707 | break; | |
3ecc059d GH |
3708 | case CHARDEV_BACKEND_KIND_DGRAM: |
3709 | chr = qmp_chardev_open_dgram(backend->dgram, errp); | |
3710 | break; | |
0a1a7fab GH |
3711 | #ifdef HAVE_CHARDEV_TTY |
3712 | case CHARDEV_BACKEND_KIND_PTY: | |
e68c5958 | 3713 | chr = qemu_chr_open_pty(id, ret); |
0a1a7fab | 3714 | break; |
0a1a7fab | 3715 | #endif |
f1a1a356 | 3716 | case CHARDEV_BACKEND_KIND_NULL: |
80dca9e6 | 3717 | chr = qemu_chr_open_null(); |
f1a1a356 | 3718 | break; |
edb2fb3c GH |
3719 | case CHARDEV_BACKEND_KIND_MUX: |
3720 | base = qemu_chr_find(backend->mux->chardev); | |
3721 | if (base == NULL) { | |
3722 | error_setg(errp, "mux: base chardev %s not found", | |
3723 | backend->mux->chardev); | |
3724 | break; | |
3725 | } | |
3726 | chr = qemu_chr_open_mux(base); | |
3727 | break; | |
f5a51cab GH |
3728 | case CHARDEV_BACKEND_KIND_MSMOUSE: |
3729 | chr = qemu_chr_open_msmouse(); | |
3730 | break; | |
2d57286d GH |
3731 | #ifdef CONFIG_BRLAPI |
3732 | case CHARDEV_BACKEND_KIND_BRAILLE: | |
3733 | chr = chr_baum_init(); | |
3734 | break; | |
3735 | #endif | |
7c358031 GH |
3736 | case CHARDEV_BACKEND_KIND_STDIO: |
3737 | chr = qemu_chr_open_stdio(backend->stdio); | |
3738 | break; | |
d9ac374f GH |
3739 | #ifdef _WIN32 |
3740 | case CHARDEV_BACKEND_KIND_CONSOLE: | |
3741 | chr = qemu_chr_open_win_con(); | |
3742 | break; | |
cd153e2a GH |
3743 | #endif |
3744 | #ifdef CONFIG_SPICE | |
3745 | case CHARDEV_BACKEND_KIND_SPICEVMC: | |
3746 | chr = qemu_chr_open_spice_vmc(backend->spicevmc->type); | |
3747 | break; | |
3748 | case CHARDEV_BACKEND_KIND_SPICEPORT: | |
3749 | chr = qemu_chr_open_spice_port(backend->spiceport->fqdn); | |
3750 | break; | |
d9ac374f | 3751 | #endif |
702ec69c GH |
3752 | case CHARDEV_BACKEND_KIND_VC: |
3753 | chr = vc_init(backend->vc); | |
3754 | break; | |
1da48c65 GH |
3755 | case CHARDEV_BACKEND_KIND_MEMORY: |
3756 | chr = qemu_chr_open_ringbuf(backend->memory, errp); | |
3757 | break; | |
f1a1a356 GH |
3758 | default: |
3759 | error_setg(errp, "unknown chardev backend (%d)", backend->kind); | |
3760 | break; | |
3761 | } | |
3762 | ||
3763 | if (chr == NULL && !error_is_set(errp)) { | |
3764 | error_setg(errp, "Failed to create chardev"); | |
3765 | } | |
3766 | if (chr) { | |
3767 | chr->label = g_strdup(id); | |
edb2fb3c GH |
3768 | chr->avail_connections = |
3769 | (backend->kind == CHARDEV_BACKEND_KIND_MUX) ? MAX_MUX : 1; | |
f1a1a356 GH |
3770 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
3771 | return ret; | |
3772 | } else { | |
3773 | g_free(ret); | |
3774 | return NULL; | |
3775 | } | |
3776 | } | |
3777 | ||
3778 | void qmp_chardev_remove(const char *id, Error **errp) | |
3779 | { | |
3780 | CharDriverState *chr; | |
3781 | ||
3782 | chr = qemu_chr_find(id); | |
3783 | if (NULL == chr) { | |
3784 | error_setg(errp, "Chardev '%s' not found", id); | |
3785 | return; | |
3786 | } | |
3787 | if (chr->chr_can_read || chr->chr_read || | |
3788 | chr->chr_event || chr->handler_opaque) { | |
3789 | error_setg(errp, "Chardev '%s' is busy", id); | |
3790 | return; | |
3791 | } | |
3792 | qemu_chr_delete(chr); | |
3793 | } | |
d654f34e AL |
3794 | |
3795 | static void register_types(void) | |
3796 | { | |
80dca9e6 | 3797 | register_char_driver_qapi("null", CHARDEV_BACKEND_KIND_NULL, NULL); |
d654f34e AL |
3798 | register_char_driver("socket", qemu_chr_open_socket); |
3799 | register_char_driver("udp", qemu_chr_open_udp); | |
1da48c65 GH |
3800 | register_char_driver_qapi("memory", CHARDEV_BACKEND_KIND_MEMORY, |
3801 | qemu_chr_parse_ringbuf); | |
846e2e49 GH |
3802 | register_char_driver_qapi("file", CHARDEV_BACKEND_KIND_FILE, |
3803 | qemu_chr_parse_file_out); | |
7c358031 GH |
3804 | register_char_driver_qapi("stdio", CHARDEV_BACKEND_KIND_STDIO, |
3805 | qemu_chr_parse_stdio); | |
0f1cb51d GH |
3806 | register_char_driver_qapi("serial", CHARDEV_BACKEND_KIND_SERIAL, |
3807 | qemu_chr_parse_serial); | |
3808 | register_char_driver_qapi("tty", CHARDEV_BACKEND_KIND_SERIAL, | |
3809 | qemu_chr_parse_serial); | |
dc375097 GH |
3810 | register_char_driver_qapi("parallel", CHARDEV_BACKEND_KIND_PARALLEL, |
3811 | qemu_chr_parse_parallel); | |
3812 | register_char_driver_qapi("parport", CHARDEV_BACKEND_KIND_PARALLEL, | |
3813 | qemu_chr_parse_parallel); | |
e68c5958 | 3814 | register_char_driver_qapi("pty", CHARDEV_BACKEND_KIND_PTY, NULL); |
d9ac374f | 3815 | register_char_driver_qapi("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL); |
548cbb36 GH |
3816 | register_char_driver_qapi("pipe", CHARDEV_BACKEND_KIND_PIPE, |
3817 | qemu_chr_parse_pipe); | |
d654f34e AL |
3818 | } |
3819 | ||
3820 | type_init(register_types); |