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Commit | Line | Data |
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6f97dba0 AL |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu-common.h" | |
83c9089e | 25 | #include "monitor/monitor.h" |
9c17d615 | 26 | #include "sysemu/sysemu.h" |
d49b6836 | 27 | #include "qemu/error-report.h" |
1de7afc9 | 28 | #include "qemu/timer.h" |
dccfcd0e | 29 | #include "sysemu/char.h" |
cf3ebac7 | 30 | #include "hw/usb.h" |
c5a415a0 | 31 | #include "qmp-commands.h" |
cfb429cb CM |
32 | #include "qapi/qmp-input-visitor.h" |
33 | #include "qapi/qmp-output-visitor.h" | |
34 | #include "qapi-visit.h" | |
e9cf2fe0 | 35 | #include "qemu/base64.h" |
9894dc0c DB |
36 | #include "io/channel-socket.h" |
37 | #include "io/channel-file.h" | |
a8fb5427 | 38 | #include "io/channel-tls.h" |
6f97dba0 AL |
39 | |
40 | #include <unistd.h> | |
41 | #include <fcntl.h> | |
6f97dba0 AL |
42 | #include <time.h> |
43 | #include <errno.h> | |
44 | #include <sys/time.h> | |
45 | #include <zlib.h> | |
46 | ||
47 | #ifndef _WIN32 | |
48 | #include <sys/times.h> | |
49 | #include <sys/wait.h> | |
50 | #include <termios.h> | |
51 | #include <sys/mman.h> | |
52 | #include <sys/ioctl.h> | |
24646c7e | 53 | #include <sys/resource.h> |
6f97dba0 AL |
54 | #include <sys/socket.h> |
55 | #include <netinet/in.h> | |
24646c7e | 56 | #include <net/if.h> |
24646c7e | 57 | #include <arpa/inet.h> |
6f97dba0 AL |
58 | #include <netdb.h> |
59 | #include <sys/select.h> | |
71e72a19 | 60 | #ifdef CONFIG_BSD |
6f97dba0 | 61 | #include <sys/stat.h> |
3294ce18 MT |
62 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
63 | #include <dev/ppbus/ppi.h> | |
64 | #include <dev/ppbus/ppbconf.h> | |
c5e97233 | 65 | #elif defined(__DragonFly__) |
c5e97233 BS |
66 | #include <dev/misc/ppi/ppi.h> |
67 | #include <bus/ppbus/ppbconf.h> | |
6f97dba0 | 68 | #endif |
bbe813a2 | 69 | #else |
6f97dba0 | 70 | #ifdef __linux__ |
6f97dba0 AL |
71 | #include <linux/ppdev.h> |
72 | #include <linux/parport.h> | |
73 | #endif | |
74 | #ifdef __sun__ | |
75 | #include <sys/stat.h> | |
76 | #include <sys/ethernet.h> | |
77 | #include <sys/sockio.h> | |
78 | #include <netinet/arp.h> | |
79 | #include <netinet/in.h> | |
80 | #include <netinet/in_systm.h> | |
81 | #include <netinet/ip.h> | |
82 | #include <netinet/ip_icmp.h> // must come after ip.h | |
83 | #include <netinet/udp.h> | |
84 | #include <netinet/tcp.h> | |
6f97dba0 AL |
85 | #endif |
86 | #endif | |
87 | #endif | |
88 | ||
1de7afc9 | 89 | #include "qemu/sockets.h" |
cbcc6336 | 90 | #include "ui/qemu-spice.h" |
6f97dba0 | 91 | |
9bd7854e | 92 | #define READ_BUF_LEN 4096 |
7b0bfdf5 | 93 | #define READ_RETRIES 10 |
c4095726 | 94 | #define TCP_MAX_FDS 16 |
9bd7854e | 95 | |
cfb429cb CM |
96 | /***********************************************************/ |
97 | /* Socket address helpers */ | |
cfb429cb | 98 | |
0ff0fad2 DB |
99 | static char *SocketAddress_to_str(const char *prefix, SocketAddress *addr, |
100 | bool is_listen, bool is_telnet) | |
16cc4ffe | 101 | { |
130257dc | 102 | switch (addr->type) { |
16cc4ffe | 103 | case SOCKET_ADDRESS_KIND_INET: |
0ff0fad2 DB |
104 | return g_strdup_printf("%s%s:%s:%s%s", prefix, |
105 | is_telnet ? "telnet" : "tcp", addr->u.inet->host, | |
106 | addr->u.inet->port, is_listen ? ",server" : ""); | |
16cc4ffe CM |
107 | break; |
108 | case SOCKET_ADDRESS_KIND_UNIX: | |
0ff0fad2 DB |
109 | return g_strdup_printf("%sunix:%s%s", prefix, |
110 | addr->u.q_unix->path, | |
111 | is_listen ? ",server" : ""); | |
16cc4ffe CM |
112 | break; |
113 | case SOCKET_ADDRESS_KIND_FD: | |
0ff0fad2 DB |
114 | return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd->str, |
115 | is_listen ? ",server" : ""); | |
16cc4ffe CM |
116 | break; |
117 | default: | |
118 | abort(); | |
119 | } | |
120 | } | |
121 | ||
0ff0fad2 DB |
122 | static char *sockaddr_to_str(struct sockaddr_storage *ss, socklen_t ss_len, |
123 | struct sockaddr_storage *ps, socklen_t ps_len, | |
124 | bool is_listen, bool is_telnet) | |
16cc4ffe | 125 | { |
01ca519f CM |
126 | char shost[NI_MAXHOST], sserv[NI_MAXSERV]; |
127 | char phost[NI_MAXHOST], pserv[NI_MAXSERV]; | |
16cc4ffe CM |
128 | const char *left = "", *right = ""; |
129 | ||
130 | switch (ss->ss_family) { | |
131 | #ifndef _WIN32 | |
132 | case AF_UNIX: | |
0ff0fad2 DB |
133 | return g_strdup_printf("unix:%s%s", |
134 | ((struct sockaddr_un *)(ss))->sun_path, | |
135 | is_listen ? ",server" : ""); | |
16cc4ffe CM |
136 | #endif |
137 | case AF_INET6: | |
138 | left = "["; | |
139 | right = "]"; | |
140 | /* fall through */ | |
141 | case AF_INET: | |
01ca519f CM |
142 | getnameinfo((struct sockaddr *) ss, ss_len, shost, sizeof(shost), |
143 | sserv, sizeof(sserv), NI_NUMERICHOST | NI_NUMERICSERV); | |
144 | getnameinfo((struct sockaddr *) ps, ps_len, phost, sizeof(phost), | |
145 | pserv, sizeof(pserv), NI_NUMERICHOST | NI_NUMERICSERV); | |
0ff0fad2 DB |
146 | return g_strdup_printf("%s:%s%s%s:%s%s <-> %s%s%s:%s", |
147 | is_telnet ? "telnet" : "tcp", | |
148 | left, shost, right, sserv, | |
149 | is_listen ? ",server" : "", | |
150 | left, phost, right, pserv); | |
16cc4ffe CM |
151 | |
152 | default: | |
0ff0fad2 | 153 | return g_strdup_printf("unknown"); |
16cc4ffe CM |
154 | } |
155 | } | |
156 | ||
6f97dba0 AL |
157 | /***********************************************************/ |
158 | /* character device */ | |
159 | ||
72cf2d4f BS |
160 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
161 | QTAILQ_HEAD_INITIALIZER(chardevs); | |
2970a6c9 | 162 | |
d0d7708b DB |
163 | static void qemu_chr_free_common(CharDriverState *chr); |
164 | ||
165 | CharDriverState *qemu_chr_alloc(ChardevCommon *backend, Error **errp) | |
db39fcf1 PB |
166 | { |
167 | CharDriverState *chr = g_malloc0(sizeof(CharDriverState)); | |
f3db17b9 | 168 | qemu_mutex_init(&chr->chr_write_lock); |
d0d7708b DB |
169 | |
170 | if (backend->has_logfile) { | |
171 | int flags = O_WRONLY | O_CREAT; | |
172 | if (backend->has_logappend && | |
173 | backend->logappend) { | |
174 | flags |= O_APPEND; | |
175 | } else { | |
176 | flags |= O_TRUNC; | |
177 | } | |
178 | chr->logfd = qemu_open(backend->logfile, flags, 0666); | |
179 | if (chr->logfd < 0) { | |
180 | error_setg_errno(errp, errno, | |
181 | "Unable to open logfile %s", | |
182 | backend->logfile); | |
183 | g_free(chr); | |
184 | return NULL; | |
185 | } | |
186 | } else { | |
187 | chr->logfd = -1; | |
188 | } | |
189 | ||
db39fcf1 PB |
190 | return chr; |
191 | } | |
192 | ||
a425d23f | 193 | void qemu_chr_be_event(CharDriverState *s, int event) |
6f97dba0 | 194 | { |
73cdf3f2 AG |
195 | /* Keep track if the char device is open */ |
196 | switch (event) { | |
197 | case CHR_EVENT_OPENED: | |
16665b94 | 198 | s->be_open = 1; |
73cdf3f2 AG |
199 | break; |
200 | case CHR_EVENT_CLOSED: | |
16665b94 | 201 | s->be_open = 0; |
73cdf3f2 AG |
202 | break; |
203 | } | |
204 | ||
6f97dba0 AL |
205 | if (!s->chr_event) |
206 | return; | |
207 | s->chr_event(s->handler_opaque, event); | |
208 | } | |
209 | ||
fee204fd | 210 | void qemu_chr_be_generic_open(CharDriverState *s) |
6f97dba0 | 211 | { |
bd5c51ee | 212 | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
6f97dba0 AL |
213 | } |
214 | ||
d0d7708b DB |
215 | |
216 | /* Not reporting errors from writing to logfile, as logs are | |
217 | * defined to be "best effort" only */ | |
218 | static void qemu_chr_fe_write_log(CharDriverState *s, | |
219 | const uint8_t *buf, size_t len) | |
220 | { | |
221 | size_t done = 0; | |
222 | ssize_t ret; | |
223 | ||
224 | if (s->logfd < 0) { | |
225 | return; | |
226 | } | |
227 | ||
228 | while (done < len) { | |
229 | do { | |
230 | ret = write(s->logfd, buf + done, len - done); | |
231 | if (ret == -1 && errno == EAGAIN) { | |
232 | g_usleep(100); | |
233 | } | |
234 | } while (ret == -1 && errno == EAGAIN); | |
235 | ||
236 | if (ret <= 0) { | |
237 | return; | |
238 | } | |
239 | done += ret; | |
240 | } | |
241 | } | |
242 | ||
2cc6e0a1 | 243 | int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len) |
6f97dba0 | 244 | { |
9005b2a7 PB |
245 | int ret; |
246 | ||
247 | qemu_mutex_lock(&s->chr_write_lock); | |
248 | ret = s->chr_write(s, buf, len); | |
d0d7708b DB |
249 | |
250 | if (ret > 0) { | |
251 | qemu_chr_fe_write_log(s, buf, ret); | |
252 | } | |
253 | ||
9005b2a7 PB |
254 | qemu_mutex_unlock(&s->chr_write_lock); |
255 | return ret; | |
6f97dba0 AL |
256 | } |
257 | ||
cd18720a AL |
258 | int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len) |
259 | { | |
260 | int offset = 0; | |
09313047 | 261 | int res = 0; |
cd18720a | 262 | |
9005b2a7 | 263 | qemu_mutex_lock(&s->chr_write_lock); |
cd18720a AL |
264 | while (offset < len) { |
265 | do { | |
266 | res = s->chr_write(s, buf + offset, len - offset); | |
267 | if (res == -1 && errno == EAGAIN) { | |
268 | g_usleep(100); | |
269 | } | |
270 | } while (res == -1 && errno == EAGAIN); | |
271 | ||
9005b2a7 | 272 | if (res <= 0) { |
cd18720a AL |
273 | break; |
274 | } | |
275 | ||
cd18720a AL |
276 | offset += res; |
277 | } | |
d0d7708b DB |
278 | if (offset > 0) { |
279 | qemu_chr_fe_write_log(s, buf, offset); | |
280 | } | |
281 | ||
9005b2a7 | 282 | qemu_mutex_unlock(&s->chr_write_lock); |
cd18720a | 283 | |
9005b2a7 PB |
284 | if (res < 0) { |
285 | return res; | |
286 | } | |
cd18720a AL |
287 | return offset; |
288 | } | |
289 | ||
7b0bfdf5 NN |
290 | int qemu_chr_fe_read_all(CharDriverState *s, uint8_t *buf, int len) |
291 | { | |
292 | int offset = 0, counter = 10; | |
293 | int res; | |
294 | ||
295 | if (!s->chr_sync_read) { | |
296 | return 0; | |
297 | } | |
298 | ||
299 | while (offset < len) { | |
300 | do { | |
301 | res = s->chr_sync_read(s, buf + offset, len - offset); | |
302 | if (res == -1 && errno == EAGAIN) { | |
303 | g_usleep(100); | |
304 | } | |
305 | } while (res == -1 && errno == EAGAIN); | |
306 | ||
307 | if (res == 0) { | |
308 | break; | |
309 | } | |
310 | ||
311 | if (res < 0) { | |
312 | return res; | |
313 | } | |
314 | ||
315 | offset += res; | |
316 | ||
317 | if (!counter--) { | |
318 | break; | |
319 | } | |
320 | } | |
321 | ||
322 | return offset; | |
323 | } | |
324 | ||
41084f1b | 325 | int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg) |
6f97dba0 AL |
326 | { |
327 | if (!s->chr_ioctl) | |
328 | return -ENOTSUP; | |
329 | return s->chr_ioctl(s, cmd, arg); | |
330 | } | |
331 | ||
909cda12 | 332 | int qemu_chr_be_can_write(CharDriverState *s) |
6f97dba0 AL |
333 | { |
334 | if (!s->chr_can_read) | |
335 | return 0; | |
336 | return s->chr_can_read(s->handler_opaque); | |
337 | } | |
338 | ||
fa5efccb | 339 | void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) |
6f97dba0 | 340 | { |
ac310734 SW |
341 | if (s->chr_read) { |
342 | s->chr_read(s->handler_opaque, buf, len); | |
343 | } | |
6f97dba0 AL |
344 | } |
345 | ||
74c0d6f0 | 346 | int qemu_chr_fe_get_msgfd(CharDriverState *s) |
7d174059 | 347 | { |
c76bf6bb | 348 | int fd; |
4f858614 | 349 | return (qemu_chr_fe_get_msgfds(s, &fd, 1) == 1) ? fd : -1; |
c76bf6bb NN |
350 | } |
351 | ||
352 | int qemu_chr_fe_get_msgfds(CharDriverState *s, int *fds, int len) | |
353 | { | |
354 | return s->get_msgfds ? s->get_msgfds(s, fds, len) : -1; | |
7d174059 MM |
355 | } |
356 | ||
d39aac7a NN |
357 | int qemu_chr_fe_set_msgfds(CharDriverState *s, int *fds, int num) |
358 | { | |
359 | return s->set_msgfds ? s->set_msgfds(s, fds, num) : -1; | |
360 | } | |
361 | ||
13661089 DB |
362 | int qemu_chr_add_client(CharDriverState *s, int fd) |
363 | { | |
364 | return s->chr_add_client ? s->chr_add_client(s, fd) : -1; | |
365 | } | |
366 | ||
6f97dba0 AL |
367 | void qemu_chr_accept_input(CharDriverState *s) |
368 | { | |
369 | if (s->chr_accept_input) | |
370 | s->chr_accept_input(s); | |
98c8ee1d | 371 | qemu_notify_event(); |
6f97dba0 AL |
372 | } |
373 | ||
e7e71b0e | 374 | void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) |
6f97dba0 | 375 | { |
9bd7854e | 376 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
377 | va_list ap; |
378 | va_start(ap, fmt); | |
379 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
2cc6e0a1 | 380 | qemu_chr_fe_write(s, (uint8_t *)buf, strlen(buf)); |
6f97dba0 AL |
381 | va_end(ap); |
382 | } | |
383 | ||
386a5a1e AS |
384 | static void remove_fd_in_watch(CharDriverState *chr); |
385 | ||
6f97dba0 | 386 | void qemu_chr_add_handlers(CharDriverState *s, |
7b27a769 | 387 | IOCanReadHandler *fd_can_read, |
6f97dba0 AL |
388 | IOReadHandler *fd_read, |
389 | IOEventHandler *fd_event, | |
390 | void *opaque) | |
391 | { | |
19083228 HG |
392 | int fe_open; |
393 | ||
da7d998b | 394 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
19083228 | 395 | fe_open = 0; |
386a5a1e | 396 | remove_fd_in_watch(s); |
19083228 HG |
397 | } else { |
398 | fe_open = 1; | |
2d6c1ef4 | 399 | } |
6f97dba0 AL |
400 | s->chr_can_read = fd_can_read; |
401 | s->chr_read = fd_read; | |
402 | s->chr_event = fd_event; | |
403 | s->handler_opaque = opaque; | |
ac1b84dd | 404 | if (fe_open && s->chr_update_read_handler) |
6f97dba0 | 405 | s->chr_update_read_handler(s); |
73cdf3f2 | 406 | |
19083228 | 407 | if (!s->explicit_fe_open) { |
8e25daa8 | 408 | qemu_chr_fe_set_open(s, fe_open); |
19083228 HG |
409 | } |
410 | ||
73cdf3f2 AG |
411 | /* We're connecting to an already opened device, so let's make sure we |
412 | also get the open event */ | |
a59bcd31 | 413 | if (fe_open && s->be_open) { |
fee204fd | 414 | qemu_chr_be_generic_open(s); |
73cdf3f2 | 415 | } |
6f97dba0 AL |
416 | } |
417 | ||
418 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
419 | { | |
420 | return len; | |
421 | } | |
422 | ||
0d64992b PB |
423 | static CharDriverState *qemu_chr_open_null(const char *id, |
424 | ChardevBackend *backend, | |
425 | ChardevReturn *ret, | |
426 | Error **errp) | |
6f97dba0 AL |
427 | { |
428 | CharDriverState *chr; | |
d0d7708b | 429 | ChardevCommon *common = qapi_ChardevDummy_base(backend->u.null); |
6f97dba0 | 430 | |
d0d7708b DB |
431 | chr = qemu_chr_alloc(common, errp); |
432 | if (!chr) { | |
433 | return NULL; | |
434 | } | |
6f97dba0 | 435 | chr->chr_write = null_chr_write; |
bd5c51ee | 436 | chr->explicit_be_open = true; |
1f51470d | 437 | return chr; |
6f97dba0 AL |
438 | } |
439 | ||
440 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
441 | #define MAX_MUX 4 |
442 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
443 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
444 | typedef struct { | |
7b27a769 | 445 | IOCanReadHandler *chr_can_read[MAX_MUX]; |
6f97dba0 AL |
446 | IOReadHandler *chr_read[MAX_MUX]; |
447 | IOEventHandler *chr_event[MAX_MUX]; | |
448 | void *ext_opaque[MAX_MUX]; | |
449 | CharDriverState *drv; | |
799f1f23 | 450 | int focus; |
6f97dba0 AL |
451 | int mux_cnt; |
452 | int term_got_escape; | |
453 | int max_size; | |
a80bf99f AL |
454 | /* Intermediate input buffer allows to catch escape sequences even if the |
455 | currently active device is not accepting any input - but only until it | |
456 | is full as well. */ | |
457 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
458 | int prod[MAX_MUX]; | |
459 | int cons[MAX_MUX]; | |
2d22959d | 460 | int timestamps; |
9005b2a7 PB |
461 | |
462 | /* Protected by the CharDriverState chr_write_lock. */ | |
4ab312f7 | 463 | int linestart; |
2d22959d | 464 | int64_t timestamps_start; |
6f97dba0 AL |
465 | } MuxDriver; |
466 | ||
467 | ||
9005b2a7 | 468 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
469 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
470 | { | |
471 | MuxDriver *d = chr->opaque; | |
472 | int ret; | |
2d22959d | 473 | if (!d->timestamps) { |
6975b713 | 474 | ret = qemu_chr_fe_write(d->drv, buf, len); |
6f97dba0 AL |
475 | } else { |
476 | int i; | |
477 | ||
478 | ret = 0; | |
4ab312f7 JK |
479 | for (i = 0; i < len; i++) { |
480 | if (d->linestart) { | |
6f97dba0 AL |
481 | char buf1[64]; |
482 | int64_t ti; | |
483 | int secs; | |
484 | ||
bc72ad67 | 485 | ti = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); |
2d22959d JK |
486 | if (d->timestamps_start == -1) |
487 | d->timestamps_start = ti; | |
488 | ti -= d->timestamps_start; | |
a4bb1db8 | 489 | secs = ti / 1000; |
6f97dba0 AL |
490 | snprintf(buf1, sizeof(buf1), |
491 | "[%02d:%02d:%02d.%03d] ", | |
492 | secs / 3600, | |
493 | (secs / 60) % 60, | |
494 | secs % 60, | |
a4bb1db8 | 495 | (int)(ti % 1000)); |
6975b713 | 496 | qemu_chr_fe_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
497 | d->linestart = 0; |
498 | } | |
6975b713 | 499 | ret += qemu_chr_fe_write(d->drv, buf+i, 1); |
4ab312f7 JK |
500 | if (buf[i] == '\n') { |
501 | d->linestart = 1; | |
6f97dba0 AL |
502 | } |
503 | } | |
504 | } | |
505 | return ret; | |
506 | } | |
507 | ||
508 | static const char * const mux_help[] = { | |
509 | "% h print this help\n\r", | |
510 | "% x exit emulator\n\r", | |
511 | "% s save disk data back to file (if -snapshot)\n\r", | |
86d10328 | 512 | "% t toggle console timestamps\n\r", |
6f97dba0 AL |
513 | "% b send break (magic sysrq)\n\r", |
514 | "% c switch between console and monitor\n\r", | |
515 | "% % sends %\n\r", | |
516 | NULL | |
517 | }; | |
518 | ||
519 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
520 | static void mux_print_help(CharDriverState *chr) | |
521 | { | |
522 | int i, j; | |
523 | char ebuf[15] = "Escape-Char"; | |
524 | char cbuf[50] = "\n\r"; | |
525 | ||
526 | if (term_escape_char > 0 && term_escape_char < 26) { | |
527 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
528 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
529 | } else { | |
530 | snprintf(cbuf, sizeof(cbuf), | |
531 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
532 | term_escape_char); | |
533 | } | |
6975b713 | 534 | qemu_chr_fe_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
6f97dba0 AL |
535 | for (i = 0; mux_help[i] != NULL; i++) { |
536 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
537 | if (mux_help[i][j] == '%') | |
6975b713 | 538 | qemu_chr_fe_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
6f97dba0 | 539 | else |
6975b713 | 540 | qemu_chr_fe_write(chr, (uint8_t *)&mux_help[i][j], 1); |
6f97dba0 AL |
541 | } |
542 | } | |
543 | } | |
544 | ||
2724b180 AL |
545 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
546 | { | |
547 | if (d->chr_event[mux_nr]) | |
548 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
549 | } | |
550 | ||
6f97dba0 AL |
551 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
552 | { | |
553 | if (d->term_got_escape) { | |
554 | d->term_got_escape = 0; | |
555 | if (ch == term_escape_char) | |
556 | goto send_char; | |
557 | switch(ch) { | |
558 | case '?': | |
559 | case 'h': | |
560 | mux_print_help(chr); | |
561 | break; | |
562 | case 'x': | |
563 | { | |
564 | const char *term = "QEMU: Terminated\n\r"; | |
6975b713 | 565 | qemu_chr_fe_write(chr, (uint8_t *)term, strlen(term)); |
6f97dba0 AL |
566 | exit(0); |
567 | break; | |
568 | } | |
569 | case 's': | |
6ab4b5ab | 570 | bdrv_commit_all(); |
6f97dba0 AL |
571 | break; |
572 | case 'b': | |
a425d23f | 573 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
574 | break; |
575 | case 'c': | |
576 | /* Switch to the next registered device */ | |
799f1f23 GH |
577 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
578 | d->focus++; | |
579 | if (d->focus >= d->mux_cnt) | |
580 | d->focus = 0; | |
581 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); | |
6f97dba0 | 582 | break; |
2d22959d JK |
583 | case 't': |
584 | d->timestamps = !d->timestamps; | |
585 | d->timestamps_start = -1; | |
4ab312f7 | 586 | d->linestart = 0; |
2d22959d | 587 | break; |
6f97dba0 AL |
588 | } |
589 | } else if (ch == term_escape_char) { | |
590 | d->term_got_escape = 1; | |
591 | } else { | |
592 | send_char: | |
593 | return 1; | |
594 | } | |
595 | return 0; | |
596 | } | |
597 | ||
598 | static void mux_chr_accept_input(CharDriverState *chr) | |
599 | { | |
6f97dba0 | 600 | MuxDriver *d = chr->opaque; |
799f1f23 | 601 | int m = d->focus; |
6f97dba0 | 602 | |
a80bf99f | 603 | while (d->prod[m] != d->cons[m] && |
6f97dba0 AL |
604 | d->chr_can_read[m] && |
605 | d->chr_can_read[m](d->ext_opaque[m])) { | |
606 | d->chr_read[m](d->ext_opaque[m], | |
a80bf99f | 607 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
6f97dba0 AL |
608 | } |
609 | } | |
610 | ||
611 | static int mux_chr_can_read(void *opaque) | |
612 | { | |
613 | CharDriverState *chr = opaque; | |
614 | MuxDriver *d = chr->opaque; | |
799f1f23 | 615 | int m = d->focus; |
6f97dba0 | 616 | |
a80bf99f | 617 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
6f97dba0 | 618 | return 1; |
a80bf99f AL |
619 | if (d->chr_can_read[m]) |
620 | return d->chr_can_read[m](d->ext_opaque[m]); | |
6f97dba0 AL |
621 | return 0; |
622 | } | |
623 | ||
624 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
625 | { | |
626 | CharDriverState *chr = opaque; | |
627 | MuxDriver *d = chr->opaque; | |
799f1f23 | 628 | int m = d->focus; |
6f97dba0 AL |
629 | int i; |
630 | ||
631 | mux_chr_accept_input (opaque); | |
632 | ||
633 | for(i = 0; i < size; i++) | |
634 | if (mux_proc_byte(chr, d, buf[i])) { | |
a80bf99f | 635 | if (d->prod[m] == d->cons[m] && |
6f97dba0 AL |
636 | d->chr_can_read[m] && |
637 | d->chr_can_read[m](d->ext_opaque[m])) | |
638 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
639 | else | |
a80bf99f | 640 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
641 | } |
642 | } | |
643 | ||
644 | static void mux_chr_event(void *opaque, int event) | |
645 | { | |
646 | CharDriverState *chr = opaque; | |
647 | MuxDriver *d = chr->opaque; | |
648 | int i; | |
649 | ||
650 | /* Send the event to all registered listeners */ | |
651 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 652 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
653 | } |
654 | ||
655 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
656 | { | |
657 | MuxDriver *d = chr->opaque; | |
658 | ||
659 | if (d->mux_cnt >= MAX_MUX) { | |
660 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
661 | return; | |
662 | } | |
663 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
664 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
665 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
666 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
667 | /* Fix up the real driver with mux routines */ | |
668 | if (d->mux_cnt == 0) { | |
669 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
670 | mux_chr_event, chr); | |
671 | } | |
799f1f23 GH |
672 | if (d->focus != -1) { |
673 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
a7aec5da | 674 | } |
799f1f23 | 675 | d->focus = d->mux_cnt; |
6f97dba0 | 676 | d->mux_cnt++; |
799f1f23 | 677 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
6f97dba0 AL |
678 | } |
679 | ||
7b7ab18d MR |
680 | static bool muxes_realized; |
681 | ||
682 | /** | |
683 | * Called after processing of default and command-line-specified | |
684 | * chardevs to deliver CHR_EVENT_OPENED events to any FEs attached | |
685 | * to a mux chardev. This is done here to ensure that | |
686 | * output/prompts/banners are only displayed for the FE that has | |
687 | * focus when initial command-line processing/machine init is | |
688 | * completed. | |
689 | * | |
690 | * After this point, any new FE attached to any new or existing | |
691 | * mux will receive CHR_EVENT_OPENED notifications for the BE | |
692 | * immediately. | |
693 | */ | |
694 | static void muxes_realize_done(Notifier *notifier, void *unused) | |
695 | { | |
696 | CharDriverState *chr; | |
697 | ||
698 | QTAILQ_FOREACH(chr, &chardevs, next) { | |
699 | if (chr->is_mux) { | |
700 | MuxDriver *d = chr->opaque; | |
701 | int i; | |
702 | ||
703 | /* send OPENED to all already-attached FEs */ | |
704 | for (i = 0; i < d->mux_cnt; i++) { | |
705 | mux_chr_send_event(d, i, CHR_EVENT_OPENED); | |
706 | } | |
707 | /* mark mux as OPENED so any new FEs will immediately receive | |
708 | * OPENED event | |
709 | */ | |
710 | qemu_chr_be_generic_open(chr); | |
711 | } | |
712 | } | |
713 | muxes_realized = true; | |
714 | } | |
715 | ||
716 | static Notifier muxes_realize_notify = { | |
717 | .notify = muxes_realize_done, | |
718 | }; | |
719 | ||
3f0838ab KB |
720 | static GSource *mux_chr_add_watch(CharDriverState *s, GIOCondition cond) |
721 | { | |
722 | MuxDriver *d = s->opaque; | |
723 | return d->drv->chr_add_watch(d->drv, cond); | |
724 | } | |
725 | ||
3c0e5a4a PB |
726 | static CharDriverState *qemu_chr_open_mux(const char *id, |
727 | ChardevBackend *backend, | |
728 | ChardevReturn *ret, Error **errp) | |
6f97dba0 | 729 | { |
130257dc | 730 | ChardevMux *mux = backend->u.mux; |
3c0e5a4a | 731 | CharDriverState *chr, *drv; |
6f97dba0 | 732 | MuxDriver *d; |
d0d7708b | 733 | ChardevCommon *common = qapi_ChardevMux_base(backend->u.mux); |
6f97dba0 | 734 | |
3c0e5a4a PB |
735 | drv = qemu_chr_find(mux->chardev); |
736 | if (drv == NULL) { | |
737 | error_setg(errp, "mux: base chardev %s not found", mux->chardev); | |
738 | return NULL; | |
739 | } | |
740 | ||
d0d7708b DB |
741 | chr = qemu_chr_alloc(common, errp); |
742 | if (!chr) { | |
743 | return NULL; | |
744 | } | |
2d528d45 | 745 | d = g_new0(MuxDriver, 1); |
6f97dba0 AL |
746 | |
747 | chr->opaque = d; | |
748 | d->drv = drv; | |
799f1f23 | 749 | d->focus = -1; |
6f97dba0 AL |
750 | chr->chr_write = mux_chr_write; |
751 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
752 | chr->chr_accept_input = mux_chr_accept_input; | |
7c32c4fe | 753 | /* Frontend guest-open / -close notification is not support with muxes */ |
574b711a | 754 | chr->chr_set_fe_open = NULL; |
3f0838ab KB |
755 | if (drv->chr_add_watch) { |
756 | chr->chr_add_watch = mux_chr_add_watch; | |
757 | } | |
7b7ab18d MR |
758 | /* only default to opened state if we've realized the initial |
759 | * set of muxes | |
760 | */ | |
761 | chr->explicit_be_open = muxes_realized ? 0 : 1; | |
762 | chr->is_mux = 1; | |
73cdf3f2 | 763 | |
6f97dba0 AL |
764 | return chr; |
765 | } | |
766 | ||
767 | ||
96c63847 AL |
768 | typedef struct IOWatchPoll |
769 | { | |
d185c094 PB |
770 | GSource parent; |
771 | ||
9894dc0c | 772 | QIOChannel *ioc; |
96c63847 | 773 | GSource *src; |
96c63847 AL |
774 | |
775 | IOCanReadHandler *fd_can_read; | |
1e885b25 | 776 | GSourceFunc fd_read; |
96c63847 | 777 | void *opaque; |
96c63847 AL |
778 | } IOWatchPoll; |
779 | ||
96c63847 AL |
780 | static IOWatchPoll *io_watch_poll_from_source(GSource *source) |
781 | { | |
d185c094 | 782 | return container_of(source, IOWatchPoll, parent); |
96c63847 AL |
783 | } |
784 | ||
785 | static gboolean io_watch_poll_prepare(GSource *source, gint *timeout_) | |
786 | { | |
787 | IOWatchPoll *iwp = io_watch_poll_from_source(source); | |
d185c094 | 788 | bool now_active = iwp->fd_can_read(iwp->opaque) > 0; |
1e885b25 | 789 | bool was_active = iwp->src != NULL; |
d185c094 | 790 | if (was_active == now_active) { |
96c63847 AL |
791 | return FALSE; |
792 | } | |
793 | ||
d185c094 | 794 | if (now_active) { |
9894dc0c DB |
795 | iwp->src = qio_channel_create_watch( |
796 | iwp->ioc, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL); | |
1e885b25 | 797 | g_source_set_callback(iwp->src, iwp->fd_read, iwp->opaque, NULL); |
d185c094 PB |
798 | g_source_attach(iwp->src, NULL); |
799 | } else { | |
1e885b25 PB |
800 | g_source_destroy(iwp->src); |
801 | g_source_unref(iwp->src); | |
802 | iwp->src = NULL; | |
d185c094 PB |
803 | } |
804 | return FALSE; | |
96c63847 AL |
805 | } |
806 | ||
807 | static gboolean io_watch_poll_check(GSource *source) | |
808 | { | |
d185c094 | 809 | return FALSE; |
96c63847 AL |
810 | } |
811 | ||
812 | static gboolean io_watch_poll_dispatch(GSource *source, GSourceFunc callback, | |
813 | gpointer user_data) | |
814 | { | |
d185c094 | 815 | abort(); |
96c63847 AL |
816 | } |
817 | ||
818 | static void io_watch_poll_finalize(GSource *source) | |
819 | { | |
2b316774 PB |
820 | /* Due to a glib bug, removing the last reference to a source |
821 | * inside a finalize callback causes recursive locking (and a | |
822 | * deadlock). This is not a problem inside other callbacks, | |
823 | * including dispatch callbacks, so we call io_remove_watch_poll | |
824 | * to remove this source. At this point, iwp->src must | |
825 | * be NULL, or we would leak it. | |
826 | * | |
827 | * This would be solved much more elegantly by child sources, | |
828 | * but we support older glib versions that do not have them. | |
829 | */ | |
96c63847 | 830 | IOWatchPoll *iwp = io_watch_poll_from_source(source); |
2b316774 | 831 | assert(iwp->src == NULL); |
96c63847 AL |
832 | } |
833 | ||
834 | static GSourceFuncs io_watch_poll_funcs = { | |
835 | .prepare = io_watch_poll_prepare, | |
836 | .check = io_watch_poll_check, | |
837 | .dispatch = io_watch_poll_dispatch, | |
838 | .finalize = io_watch_poll_finalize, | |
839 | }; | |
840 | ||
841 | /* Can only be used for read */ | |
9894dc0c | 842 | static guint io_add_watch_poll(QIOChannel *ioc, |
96c63847 | 843 | IOCanReadHandler *fd_can_read, |
9894dc0c | 844 | QIOChannelFunc fd_read, |
96c63847 AL |
845 | gpointer user_data) |
846 | { | |
847 | IOWatchPoll *iwp; | |
0ca5aa4f | 848 | int tag; |
96c63847 | 849 | |
d185c094 | 850 | iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, sizeof(IOWatchPoll)); |
96c63847 AL |
851 | iwp->fd_can_read = fd_can_read; |
852 | iwp->opaque = user_data; | |
9894dc0c | 853 | iwp->ioc = ioc; |
1e885b25 PB |
854 | iwp->fd_read = (GSourceFunc) fd_read; |
855 | iwp->src = NULL; | |
96c63847 | 856 | |
0ca5aa4f PB |
857 | tag = g_source_attach(&iwp->parent, NULL); |
858 | g_source_unref(&iwp->parent); | |
859 | return tag; | |
96c63847 AL |
860 | } |
861 | ||
2b316774 PB |
862 | static void io_remove_watch_poll(guint tag) |
863 | { | |
864 | GSource *source; | |
865 | IOWatchPoll *iwp; | |
866 | ||
867 | g_return_if_fail (tag > 0); | |
868 | ||
869 | source = g_main_context_find_source_by_id(NULL, tag); | |
870 | g_return_if_fail (source != NULL); | |
871 | ||
872 | iwp = io_watch_poll_from_source(source); | |
873 | if (iwp->src) { | |
874 | g_source_destroy(iwp->src); | |
875 | g_source_unref(iwp->src); | |
876 | iwp->src = NULL; | |
877 | } | |
878 | g_source_destroy(&iwp->parent); | |
879 | } | |
880 | ||
26da70c7 AS |
881 | static void remove_fd_in_watch(CharDriverState *chr) |
882 | { | |
883 | if (chr->fd_in_tag) { | |
884 | io_remove_watch_poll(chr->fd_in_tag); | |
885 | chr->fd_in_tag = 0; | |
886 | } | |
887 | } | |
888 | ||
96c63847 | 889 | |
9894dc0c DB |
890 | static int io_channel_send_full(QIOChannel *ioc, |
891 | const void *buf, size_t len, | |
892 | int *fds, size_t nfds) | |
76a9644b | 893 | { |
9894dc0c | 894 | size_t offset = 0; |
76a9644b | 895 | |
9894dc0c DB |
896 | while (offset < len) { |
897 | ssize_t ret = 0; | |
898 | struct iovec iov = { .iov_base = (char *)buf + offset, | |
899 | .iov_len = len - offset }; | |
900 | ||
901 | ret = qio_channel_writev_full( | |
902 | ioc, &iov, 1, | |
903 | fds, nfds, NULL); | |
904 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
905 | errno = EAGAIN; | |
906 | return -1; | |
907 | } else if (ret < 0) { | |
908 | if (offset) { | |
909 | return offset; | |
910 | } | |
76a9644b | 911 | |
9894dc0c DB |
912 | errno = EINVAL; |
913 | return -1; | |
914 | } | |
76a9644b | 915 | |
9894dc0c DB |
916 | offset += ret; |
917 | } | |
76a9644b | 918 | |
9894dc0c | 919 | return offset; |
76a9644b AL |
920 | } |
921 | ||
9894dc0c | 922 | |
0ff0fad2 | 923 | #ifndef _WIN32 |
9894dc0c | 924 | static int io_channel_send(QIOChannel *ioc, const void *buf, size_t len) |
96c63847 | 925 | { |
9894dc0c | 926 | return io_channel_send_full(ioc, buf, len, NULL, 0); |
96c63847 | 927 | } |
96c63847 | 928 | |
44ab9ed4 | 929 | |
a29753f8 AL |
930 | typedef struct FDCharDriver { |
931 | CharDriverState *chr; | |
9894dc0c | 932 | QIOChannel *ioc_in, *ioc_out; |
6f97dba0 AL |
933 | int max_size; |
934 | } FDCharDriver; | |
935 | ||
9005b2a7 | 936 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
937 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
938 | { | |
939 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 940 | |
9894dc0c | 941 | return io_channel_send(s->ioc_out, buf, len); |
6f97dba0 AL |
942 | } |
943 | ||
9894dc0c | 944 | static gboolean fd_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
945 | { |
946 | CharDriverState *chr = opaque; | |
947 | FDCharDriver *s = chr->opaque; | |
a29753f8 | 948 | int len; |
9bd7854e | 949 | uint8_t buf[READ_BUF_LEN]; |
9894dc0c | 950 | ssize_t ret; |
6f97dba0 AL |
951 | |
952 | len = sizeof(buf); | |
a29753f8 | 953 | if (len > s->max_size) { |
6f97dba0 | 954 | len = s->max_size; |
a29753f8 AL |
955 | } |
956 | if (len == 0) { | |
cdbf6e16 | 957 | return TRUE; |
a29753f8 AL |
958 | } |
959 | ||
9894dc0c DB |
960 | ret = qio_channel_read( |
961 | chan, (gchar *)buf, len, NULL); | |
962 | if (ret == 0) { | |
26da70c7 | 963 | remove_fd_in_watch(chr); |
a425d23f | 964 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
a29753f8 | 965 | return FALSE; |
6f97dba0 | 966 | } |
9894dc0c DB |
967 | if (ret > 0) { |
968 | qemu_chr_be_write(chr, buf, ret); | |
6f97dba0 | 969 | } |
a29753f8 AL |
970 | |
971 | return TRUE; | |
972 | } | |
973 | ||
974 | static int fd_chr_read_poll(void *opaque) | |
975 | { | |
976 | CharDriverState *chr = opaque; | |
977 | FDCharDriver *s = chr->opaque; | |
978 | ||
979 | s->max_size = qemu_chr_be_can_write(chr); | |
980 | return s->max_size; | |
6f97dba0 AL |
981 | } |
982 | ||
23673ca7 AL |
983 | static GSource *fd_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
984 | { | |
985 | FDCharDriver *s = chr->opaque; | |
9894dc0c | 986 | return qio_channel_create_watch(s->ioc_out, cond); |
23673ca7 AL |
987 | } |
988 | ||
6f97dba0 AL |
989 | static void fd_chr_update_read_handler(CharDriverState *chr) |
990 | { | |
991 | FDCharDriver *s = chr->opaque; | |
992 | ||
26da70c7 | 993 | remove_fd_in_watch(chr); |
9894dc0c DB |
994 | if (s->ioc_in) { |
995 | chr->fd_in_tag = io_add_watch_poll(s->ioc_in, | |
996 | fd_chr_read_poll, | |
7ba9addc | 997 | fd_chr_read, chr); |
6f97dba0 AL |
998 | } |
999 | } | |
1000 | ||
1001 | static void fd_chr_close(struct CharDriverState *chr) | |
1002 | { | |
1003 | FDCharDriver *s = chr->opaque; | |
1004 | ||
26da70c7 | 1005 | remove_fd_in_watch(chr); |
9894dc0c DB |
1006 | if (s->ioc_in) { |
1007 | object_unref(OBJECT(s->ioc_in)); | |
a29753f8 | 1008 | } |
9894dc0c DB |
1009 | if (s->ioc_out) { |
1010 | object_unref(OBJECT(s->ioc_out)); | |
6f97dba0 AL |
1011 | } |
1012 | ||
7267c094 | 1013 | g_free(s); |
a425d23f | 1014 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1015 | } |
1016 | ||
1017 | /* open a character device to a unix fd */ | |
d0d7708b DB |
1018 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out, |
1019 | ChardevCommon *backend, Error **errp) | |
6f97dba0 AL |
1020 | { |
1021 | CharDriverState *chr; | |
1022 | FDCharDriver *s; | |
1023 | ||
d0d7708b DB |
1024 | chr = qemu_chr_alloc(backend, errp); |
1025 | if (!chr) { | |
1026 | return NULL; | |
1027 | } | |
2d528d45 | 1028 | s = g_new0(FDCharDriver, 1); |
9894dc0c DB |
1029 | s->ioc_in = QIO_CHANNEL(qio_channel_file_new_fd(fd_in)); |
1030 | s->ioc_out = QIO_CHANNEL(qio_channel_file_new_fd(fd_out)); | |
4ff12bdb | 1031 | qemu_set_nonblock(fd_out); |
a29753f8 | 1032 | s->chr = chr; |
6f97dba0 | 1033 | chr->opaque = s; |
23673ca7 | 1034 | chr->chr_add_watch = fd_chr_add_watch; |
6f97dba0 AL |
1035 | chr->chr_write = fd_chr_write; |
1036 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
1037 | chr->chr_close = fd_chr_close; | |
1038 | ||
6f97dba0 AL |
1039 | return chr; |
1040 | } | |
1041 | ||
20cbe7a2 PB |
1042 | static CharDriverState *qemu_chr_open_pipe(const char *id, |
1043 | ChardevBackend *backend, | |
1044 | ChardevReturn *ret, | |
1045 | Error **errp) | |
6f97dba0 | 1046 | { |
130257dc | 1047 | ChardevHostdev *opts = backend->u.pipe; |
6f97dba0 | 1048 | int fd_in, fd_out; |
0ff0fad2 DB |
1049 | char *filename_in; |
1050 | char *filename_out; | |
548cbb36 | 1051 | const char *filename = opts->device; |
d0d7708b | 1052 | ChardevCommon *common = qapi_ChardevHostdev_base(backend->u.pipe); |
7d31544f | 1053 | |
0ff0fad2 DB |
1054 | |
1055 | filename_in = g_strdup_printf("%s.in", filename); | |
1056 | filename_out = g_strdup_printf("%s.out", filename); | |
40ff6d7e KW |
1057 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
1058 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
0ff0fad2 DB |
1059 | g_free(filename_in); |
1060 | g_free(filename_out); | |
6f97dba0 AL |
1061 | if (fd_in < 0 || fd_out < 0) { |
1062 | if (fd_in >= 0) | |
1063 | close(fd_in); | |
1064 | if (fd_out >= 0) | |
1065 | close(fd_out); | |
b181e047 | 1066 | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
a89dd6c3 | 1067 | if (fd_in < 0) { |
20cbe7a2 | 1068 | error_setg_file_open(errp, errno, filename); |
1f51470d | 1069 | return NULL; |
a89dd6c3 | 1070 | } |
6f97dba0 | 1071 | } |
d0d7708b | 1072 | return qemu_chr_open_fd(fd_in, fd_out, common, errp); |
6f97dba0 AL |
1073 | } |
1074 | ||
6f97dba0 AL |
1075 | /* init terminal so that we can grab keys */ |
1076 | static struct termios oldtty; | |
1077 | static int old_fd0_flags; | |
c88930a6 | 1078 | static bool stdio_in_use; |
bb002513 | 1079 | static bool stdio_allow_signal; |
e76d4420 GH |
1080 | static bool stdio_echo_state; |
1081 | ||
1082 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo); | |
6f97dba0 AL |
1083 | |
1084 | static void term_exit(void) | |
1085 | { | |
1086 | tcsetattr (0, TCSANOW, &oldtty); | |
1087 | fcntl(0, F_SETFL, old_fd0_flags); | |
1088 | } | |
1089 | ||
e76d4420 GH |
1090 | static void term_stdio_handler(int sig) |
1091 | { | |
1092 | /* restore echo after resume from suspend. */ | |
1093 | qemu_chr_set_echo_stdio(NULL, stdio_echo_state); | |
1094 | } | |
1095 | ||
bb002513 | 1096 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
6f97dba0 AL |
1097 | { |
1098 | struct termios tty; | |
1099 | ||
e76d4420 | 1100 | stdio_echo_state = echo; |
0369364b | 1101 | tty = oldtty; |
bb002513 PB |
1102 | if (!echo) { |
1103 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 1104 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
1105 | tty.c_oflag |= OPOST; |
1106 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1107 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1108 | tty.c_cflag |= CS8; | |
1109 | tty.c_cc[VMIN] = 1; | |
1110 | tty.c_cc[VTIME] = 0; | |
1111 | } | |
bb002513 | 1112 | if (!stdio_allow_signal) |
6f97dba0 | 1113 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
1114 | |
1115 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
1116 | } |
1117 | ||
1118 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
1119 | { | |
1120 | term_exit(); | |
6f97dba0 AL |
1121 | fd_chr_close(chr); |
1122 | } | |
1123 | ||
8c84b25d PB |
1124 | static CharDriverState *qemu_chr_open_stdio(const char *id, |
1125 | ChardevBackend *backend, | |
1126 | ChardevReturn *ret, | |
1127 | Error **errp) | |
6f97dba0 | 1128 | { |
130257dc | 1129 | ChardevStdio *opts = backend->u.stdio; |
6f97dba0 | 1130 | CharDriverState *chr; |
e76d4420 | 1131 | struct sigaction act; |
d0d7708b | 1132 | ChardevCommon *common = qapi_ChardevStdio_base(backend->u.stdio); |
6f97dba0 | 1133 | |
ab51b1d5 | 1134 | if (is_daemonized()) { |
8c84b25d | 1135 | error_setg(errp, "cannot use stdio with -daemonize"); |
ab51b1d5 MT |
1136 | return NULL; |
1137 | } | |
c88930a6 LL |
1138 | |
1139 | if (stdio_in_use) { | |
8c84b25d PB |
1140 | error_setg(errp, "cannot use stdio by multiple character devices"); |
1141 | return NULL; | |
c88930a6 LL |
1142 | } |
1143 | ||
1144 | stdio_in_use = true; | |
ed7a1540 | 1145 | old_fd0_flags = fcntl(0, F_GETFL); |
c88930a6 | 1146 | tcgetattr(0, &oldtty); |
4ff12bdb | 1147 | qemu_set_nonblock(0); |
ed7a1540 | 1148 | atexit(term_exit); |
0369364b | 1149 | |
e76d4420 GH |
1150 | memset(&act, 0, sizeof(act)); |
1151 | act.sa_handler = term_stdio_handler; | |
1152 | sigaction(SIGCONT, &act, NULL); | |
1153 | ||
d0d7708b | 1154 | chr = qemu_chr_open_fd(0, 1, common, errp); |
6f97dba0 | 1155 | chr->chr_close = qemu_chr_close_stdio; |
bb002513 | 1156 | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
7c358031 GH |
1157 | if (opts->has_signal) { |
1158 | stdio_allow_signal = opts->signal; | |
1159 | } | |
15f31519 | 1160 | qemu_chr_fe_set_echo(chr, false); |
6f97dba0 | 1161 | |
1f51470d | 1162 | return chr; |
6f97dba0 AL |
1163 | } |
1164 | ||
6f97dba0 | 1165 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
a167ba50 AJ |
1166 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
1167 | || defined(__GLIBC__) | |
6f97dba0 | 1168 | |
d809ab95 PB |
1169 | #define HAVE_CHARDEV_SERIAL 1 |
1170 | #define HAVE_CHARDEV_PTY 1 | |
e551498e | 1171 | |
6f97dba0 | 1172 | typedef struct { |
9894dc0c | 1173 | QIOChannel *ioc; |
6f97dba0 | 1174 | int read_bytes; |
9005b2a7 PB |
1175 | |
1176 | /* Protected by the CharDriverState chr_write_lock. */ | |
1177 | int connected; | |
8aa33caf | 1178 | guint timer_tag; |
7b3621f4 | 1179 | guint open_tag; |
6f97dba0 AL |
1180 | } PtyCharDriver; |
1181 | ||
9005b2a7 | 1182 | static void pty_chr_update_read_handler_locked(CharDriverState *chr); |
6f97dba0 AL |
1183 | static void pty_chr_state(CharDriverState *chr, int connected); |
1184 | ||
8aa33caf AL |
1185 | static gboolean pty_chr_timer(gpointer opaque) |
1186 | { | |
1187 | struct CharDriverState *chr = opaque; | |
1188 | PtyCharDriver *s = chr->opaque; | |
1189 | ||
9005b2a7 | 1190 | qemu_mutex_lock(&chr->chr_write_lock); |
79f20075 | 1191 | s->timer_tag = 0; |
7b3621f4 | 1192 | s->open_tag = 0; |
b0d768c3 GH |
1193 | if (!s->connected) { |
1194 | /* Next poll ... */ | |
9005b2a7 | 1195 | pty_chr_update_read_handler_locked(chr); |
b0d768c3 | 1196 | } |
9005b2a7 | 1197 | qemu_mutex_unlock(&chr->chr_write_lock); |
8aa33caf AL |
1198 | return FALSE; |
1199 | } | |
1200 | ||
9005b2a7 | 1201 | /* Called with chr_write_lock held. */ |
8aa33caf AL |
1202 | static void pty_chr_rearm_timer(CharDriverState *chr, int ms) |
1203 | { | |
1204 | PtyCharDriver *s = chr->opaque; | |
1205 | ||
1206 | if (s->timer_tag) { | |
1207 | g_source_remove(s->timer_tag); | |
1208 | s->timer_tag = 0; | |
1209 | } | |
1210 | ||
1211 | if (ms == 1000) { | |
1212 | s->timer_tag = g_timeout_add_seconds(1, pty_chr_timer, chr); | |
1213 | } else { | |
1214 | s->timer_tag = g_timeout_add(ms, pty_chr_timer, chr); | |
1215 | } | |
1216 | } | |
1217 | ||
9005b2a7 PB |
1218 | /* Called with chr_write_lock held. */ |
1219 | static void pty_chr_update_read_handler_locked(CharDriverState *chr) | |
1bb7fe72 PB |
1220 | { |
1221 | PtyCharDriver *s = chr->opaque; | |
1222 | GPollFD pfd; | |
c1f24489 | 1223 | int rc; |
9894dc0c | 1224 | QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc); |
1bb7fe72 | 1225 | |
9894dc0c | 1226 | pfd.fd = fioc->fd; |
1bb7fe72 PB |
1227 | pfd.events = G_IO_OUT; |
1228 | pfd.revents = 0; | |
c1f24489 PB |
1229 | do { |
1230 | rc = g_poll(&pfd, 1, 0); | |
1231 | } while (rc == -1 && errno == EINTR); | |
1232 | assert(rc >= 0); | |
1233 | ||
1bb7fe72 PB |
1234 | if (pfd.revents & G_IO_HUP) { |
1235 | pty_chr_state(chr, 0); | |
1236 | } else { | |
1237 | pty_chr_state(chr, 1); | |
1238 | } | |
1239 | } | |
1240 | ||
9005b2a7 PB |
1241 | static void pty_chr_update_read_handler(CharDriverState *chr) |
1242 | { | |
1243 | qemu_mutex_lock(&chr->chr_write_lock); | |
1244 | pty_chr_update_read_handler_locked(chr); | |
1245 | qemu_mutex_unlock(&chr->chr_write_lock); | |
1246 | } | |
1247 | ||
1248 | /* Called with chr_write_lock held. */ | |
6f97dba0 AL |
1249 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1250 | { | |
1251 | PtyCharDriver *s = chr->opaque; | |
1252 | ||
1253 | if (!s->connected) { | |
1254 | /* guest sends data, check for (re-)connect */ | |
9005b2a7 | 1255 | pty_chr_update_read_handler_locked(chr); |
cf7330c7 ST |
1256 | if (!s->connected) { |
1257 | return 0; | |
1258 | } | |
6f97dba0 | 1259 | } |
9894dc0c | 1260 | return io_channel_send(s->ioc, buf, len); |
6f97dba0 AL |
1261 | } |
1262 | ||
e6a87ed8 AL |
1263 | static GSource *pty_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
1264 | { | |
1265 | PtyCharDriver *s = chr->opaque; | |
62c339c5 PB |
1266 | if (!s->connected) { |
1267 | return NULL; | |
1268 | } | |
9894dc0c | 1269 | return qio_channel_create_watch(s->ioc, cond); |
e6a87ed8 AL |
1270 | } |
1271 | ||
6f97dba0 AL |
1272 | static int pty_chr_read_poll(void *opaque) |
1273 | { | |
1274 | CharDriverState *chr = opaque; | |
1275 | PtyCharDriver *s = chr->opaque; | |
1276 | ||
909cda12 | 1277 | s->read_bytes = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1278 | return s->read_bytes; |
1279 | } | |
1280 | ||
9894dc0c | 1281 | static gboolean pty_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
1282 | { |
1283 | CharDriverState *chr = opaque; | |
1284 | PtyCharDriver *s = chr->opaque; | |
9894dc0c | 1285 | gsize len; |
9bd7854e | 1286 | uint8_t buf[READ_BUF_LEN]; |
9894dc0c | 1287 | ssize_t ret; |
6f97dba0 AL |
1288 | |
1289 | len = sizeof(buf); | |
1290 | if (len > s->read_bytes) | |
1291 | len = s->read_bytes; | |
cdbf6e16 PB |
1292 | if (len == 0) { |
1293 | return TRUE; | |
1294 | } | |
9894dc0c DB |
1295 | ret = qio_channel_read(s->ioc, (char *)buf, len, NULL); |
1296 | if (ret <= 0) { | |
6f97dba0 | 1297 | pty_chr_state(chr, 0); |
093d3a20 AL |
1298 | return FALSE; |
1299 | } else { | |
6f97dba0 | 1300 | pty_chr_state(chr, 1); |
9894dc0c | 1301 | qemu_chr_be_write(chr, buf, ret); |
6f97dba0 | 1302 | } |
093d3a20 | 1303 | return TRUE; |
6f97dba0 AL |
1304 | } |
1305 | ||
7b3621f4 PB |
1306 | static gboolean qemu_chr_be_generic_open_func(gpointer opaque) |
1307 | { | |
1308 | CharDriverState *chr = opaque; | |
1309 | PtyCharDriver *s = chr->opaque; | |
1310 | ||
1311 | s->open_tag = 0; | |
1312 | qemu_chr_be_generic_open(chr); | |
1313 | return FALSE; | |
1314 | } | |
1315 | ||
9005b2a7 | 1316 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
1317 | static void pty_chr_state(CharDriverState *chr, int connected) |
1318 | { | |
1319 | PtyCharDriver *s = chr->opaque; | |
1320 | ||
1321 | if (!connected) { | |
7b3621f4 PB |
1322 | if (s->open_tag) { |
1323 | g_source_remove(s->open_tag); | |
1324 | s->open_tag = 0; | |
1325 | } | |
26da70c7 | 1326 | remove_fd_in_watch(chr); |
6f97dba0 | 1327 | s->connected = 0; |
6f97dba0 AL |
1328 | /* (re-)connect poll interval for idle guests: once per second. |
1329 | * We check more frequently in case the guests sends data to | |
1330 | * the virtual device linked to our pty. */ | |
8aa33caf | 1331 | pty_chr_rearm_timer(chr, 1000); |
6f97dba0 | 1332 | } else { |
85a67692 PB |
1333 | if (s->timer_tag) { |
1334 | g_source_remove(s->timer_tag); | |
1335 | s->timer_tag = 0; | |
1336 | } | |
1337 | if (!s->connected) { | |
7b3621f4 | 1338 | g_assert(s->open_tag == 0); |
85a67692 | 1339 | s->connected = 1; |
7b3621f4 | 1340 | s->open_tag = g_idle_add(qemu_chr_be_generic_open_func, chr); |
ac1b84dd GH |
1341 | } |
1342 | if (!chr->fd_in_tag) { | |
9894dc0c DB |
1343 | chr->fd_in_tag = io_add_watch_poll(s->ioc, |
1344 | pty_chr_read_poll, | |
7ba9addc | 1345 | pty_chr_read, chr); |
85a67692 | 1346 | } |
6f97dba0 AL |
1347 | } |
1348 | } | |
1349 | ||
6f97dba0 AL |
1350 | static void pty_chr_close(struct CharDriverState *chr) |
1351 | { | |
1352 | PtyCharDriver *s = chr->opaque; | |
1353 | ||
7b3621f4 PB |
1354 | qemu_mutex_lock(&chr->chr_write_lock); |
1355 | pty_chr_state(chr, 0); | |
9894dc0c | 1356 | object_unref(OBJECT(s->ioc)); |
8aa33caf AL |
1357 | if (s->timer_tag) { |
1358 | g_source_remove(s->timer_tag); | |
910b6368 | 1359 | s->timer_tag = 0; |
8aa33caf | 1360 | } |
7b3621f4 | 1361 | qemu_mutex_unlock(&chr->chr_write_lock); |
7267c094 | 1362 | g_free(s); |
a425d23f | 1363 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1364 | } |
1365 | ||
e68c5958 | 1366 | static CharDriverState *qemu_chr_open_pty(const char *id, |
c2e75a43 PB |
1367 | ChardevBackend *backend, |
1368 | ChardevReturn *ret, | |
1369 | Error **errp) | |
6f97dba0 AL |
1370 | { |
1371 | CharDriverState *chr; | |
1372 | PtyCharDriver *s; | |
e68c5958 | 1373 | int master_fd, slave_fd; |
6f97dba0 | 1374 | char pty_name[PATH_MAX]; |
d0d7708b | 1375 | ChardevCommon *common = qapi_ChardevDummy_base(backend->u.pty); |
6f97dba0 | 1376 | |
4efeabbb MT |
1377 | master_fd = qemu_openpty_raw(&slave_fd, pty_name); |
1378 | if (master_fd < 0) { | |
c2e75a43 | 1379 | error_setg_errno(errp, errno, "Failed to create PTY"); |
1f51470d | 1380 | return NULL; |
6f97dba0 AL |
1381 | } |
1382 | ||
6f97dba0 | 1383 | close(slave_fd); |
fac6688a | 1384 | qemu_set_nonblock(master_fd); |
6f97dba0 | 1385 | |
d0d7708b DB |
1386 | chr = qemu_chr_alloc(common, errp); |
1387 | if (!chr) { | |
1388 | close(master_fd); | |
1389 | return NULL; | |
1390 | } | |
a4e26048 | 1391 | |
4efeabbb MT |
1392 | chr->filename = g_strdup_printf("pty:%s", pty_name); |
1393 | ret->pty = g_strdup(pty_name); | |
e68c5958 | 1394 | ret->has_pty = true; |
58650218 | 1395 | |
e68c5958 | 1396 | fprintf(stderr, "char device redirected to %s (label %s)\n", |
4efeabbb | 1397 | pty_name, id); |
6f97dba0 | 1398 | |
2d528d45 | 1399 | s = g_new0(PtyCharDriver, 1); |
6f97dba0 AL |
1400 | chr->opaque = s; |
1401 | chr->chr_write = pty_chr_write; | |
1402 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
1403 | chr->chr_close = pty_chr_close; | |
e6a87ed8 | 1404 | chr->chr_add_watch = pty_chr_add_watch; |
bd5c51ee | 1405 | chr->explicit_be_open = true; |
6f97dba0 | 1406 | |
9894dc0c | 1407 | s->ioc = QIO_CHANNEL(qio_channel_file_new_fd(master_fd)); |
8aa33caf | 1408 | s->timer_tag = 0; |
6f97dba0 | 1409 | |
1f51470d | 1410 | return chr; |
6f97dba0 AL |
1411 | } |
1412 | ||
1413 | static void tty_serial_init(int fd, int speed, | |
1414 | int parity, int data_bits, int stop_bits) | |
1415 | { | |
1416 | struct termios tty; | |
1417 | speed_t spd; | |
1418 | ||
1419 | #if 0 | |
1420 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1421 | speed, parity, data_bits, stop_bits); | |
1422 | #endif | |
1423 | tcgetattr (fd, &tty); | |
1424 | ||
45eea13b SW |
1425 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1426 | speed = speed * 10 / 11; | |
1427 | do { | |
1428 | check_speed(50); | |
1429 | check_speed(75); | |
1430 | check_speed(110); | |
1431 | check_speed(134); | |
1432 | check_speed(150); | |
1433 | check_speed(200); | |
1434 | check_speed(300); | |
1435 | check_speed(600); | |
1436 | check_speed(1200); | |
1437 | check_speed(1800); | |
1438 | check_speed(2400); | |
1439 | check_speed(4800); | |
1440 | check_speed(9600); | |
1441 | check_speed(19200); | |
1442 | check_speed(38400); | |
1443 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1444 | check_speed(57600); | |
1445 | check_speed(115200); | |
1446 | #ifdef B230400 | |
1447 | check_speed(230400); | |
1448 | #endif | |
1449 | #ifdef B460800 | |
1450 | check_speed(460800); | |
1451 | #endif | |
1452 | #ifdef B500000 | |
1453 | check_speed(500000); | |
1454 | #endif | |
1455 | #ifdef B576000 | |
1456 | check_speed(576000); | |
1457 | #endif | |
1458 | #ifdef B921600 | |
1459 | check_speed(921600); | |
1460 | #endif | |
1461 | #ifdef B1000000 | |
1462 | check_speed(1000000); | |
1463 | #endif | |
1464 | #ifdef B1152000 | |
1465 | check_speed(1152000); | |
1466 | #endif | |
1467 | #ifdef B1500000 | |
1468 | check_speed(1500000); | |
1469 | #endif | |
1470 | #ifdef B2000000 | |
1471 | check_speed(2000000); | |
1472 | #endif | |
1473 | #ifdef B2500000 | |
1474 | check_speed(2500000); | |
1475 | #endif | |
1476 | #ifdef B3000000 | |
1477 | check_speed(3000000); | |
1478 | #endif | |
1479 | #ifdef B3500000 | |
1480 | check_speed(3500000); | |
1481 | #endif | |
1482 | #ifdef B4000000 | |
1483 | check_speed(4000000); | |
1484 | #endif | |
6f97dba0 | 1485 | spd = B115200; |
45eea13b | 1486 | } while (0); |
6f97dba0 AL |
1487 | |
1488 | cfsetispeed(&tty, spd); | |
1489 | cfsetospeed(&tty, spd); | |
1490 | ||
1491 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1492 | |INLCR|IGNCR|ICRNL|IXON); | |
1493 | tty.c_oflag |= OPOST; | |
1494 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1495 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1496 | switch(data_bits) { | |
1497 | default: | |
1498 | case 8: | |
1499 | tty.c_cflag |= CS8; | |
1500 | break; | |
1501 | case 7: | |
1502 | tty.c_cflag |= CS7; | |
1503 | break; | |
1504 | case 6: | |
1505 | tty.c_cflag |= CS6; | |
1506 | break; | |
1507 | case 5: | |
1508 | tty.c_cflag |= CS5; | |
1509 | break; | |
1510 | } | |
1511 | switch(parity) { | |
1512 | default: | |
1513 | case 'N': | |
1514 | break; | |
1515 | case 'E': | |
1516 | tty.c_cflag |= PARENB; | |
1517 | break; | |
1518 | case 'O': | |
1519 | tty.c_cflag |= PARENB | PARODD; | |
1520 | break; | |
1521 | } | |
1522 | if (stop_bits == 2) | |
1523 | tty.c_cflag |= CSTOPB; | |
1524 | ||
1525 | tcsetattr (fd, TCSANOW, &tty); | |
1526 | } | |
1527 | ||
1528 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1529 | { | |
1530 | FDCharDriver *s = chr->opaque; | |
9894dc0c | 1531 | QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc_in); |
6f97dba0 AL |
1532 | |
1533 | switch(cmd) { | |
1534 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1535 | { | |
1536 | QEMUSerialSetParams *ssp = arg; | |
9894dc0c | 1537 | tty_serial_init(fioc->fd, |
a29753f8 | 1538 | ssp->speed, ssp->parity, |
6f97dba0 AL |
1539 | ssp->data_bits, ssp->stop_bits); |
1540 | } | |
1541 | break; | |
1542 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1543 | { | |
1544 | int enable = *(int *)arg; | |
a29753f8 | 1545 | if (enable) { |
9894dc0c | 1546 | tcsendbreak(fioc->fd, 1); |
a29753f8 | 1547 | } |
6f97dba0 AL |
1548 | } |
1549 | break; | |
1550 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1551 | { | |
1552 | int sarg = 0; | |
1553 | int *targ = (int *)arg; | |
9894dc0c | 1554 | ioctl(fioc->fd, TIOCMGET, &sarg); |
6f97dba0 | 1555 | *targ = 0; |
b4abdfa4 | 1556 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1557 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1558 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1559 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1560 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1561 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1562 | if (sarg & TIOCM_RI) |
6f97dba0 | 1563 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1564 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1565 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1566 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1567 | *targ |= CHR_TIOCM_RTS; |
1568 | } | |
1569 | break; | |
1570 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1571 | { | |
1572 | int sarg = *(int *)arg; | |
1573 | int targ = 0; | |
9894dc0c | 1574 | ioctl(fioc->fd, TIOCMGET, &targ); |
b4abdfa4 AJ |
1575 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1576 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1577 | if (sarg & CHR_TIOCM_CTS) | |
1578 | targ |= TIOCM_CTS; | |
1579 | if (sarg & CHR_TIOCM_CAR) | |
1580 | targ |= TIOCM_CAR; | |
1581 | if (sarg & CHR_TIOCM_DSR) | |
1582 | targ |= TIOCM_DSR; | |
1583 | if (sarg & CHR_TIOCM_RI) | |
1584 | targ |= TIOCM_RI; | |
1585 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1586 | targ |= TIOCM_DTR; |
b4abdfa4 | 1587 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 | 1588 | targ |= TIOCM_RTS; |
9894dc0c | 1589 | ioctl(fioc->fd, TIOCMSET, &targ); |
6f97dba0 AL |
1590 | } |
1591 | break; | |
1592 | default: | |
1593 | return -ENOTSUP; | |
1594 | } | |
1595 | return 0; | |
1596 | } | |
1597 | ||
4266a134 DA |
1598 | static void qemu_chr_close_tty(CharDriverState *chr) |
1599 | { | |
4266a134 | 1600 | fd_chr_close(chr); |
4266a134 DA |
1601 | } |
1602 | ||
d0d7708b DB |
1603 | static CharDriverState *qemu_chr_open_tty_fd(int fd, |
1604 | ChardevCommon *backend, | |
1605 | Error **errp) | |
d59044ef GH |
1606 | { |
1607 | CharDriverState *chr; | |
1608 | ||
1609 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
d0d7708b | 1610 | chr = qemu_chr_open_fd(fd, fd, backend, errp); |
d59044ef GH |
1611 | chr->chr_ioctl = tty_serial_ioctl; |
1612 | chr->chr_close = qemu_chr_close_tty; | |
1613 | return chr; | |
1614 | } | |
6f97dba0 AL |
1615 | #endif /* __linux__ || __sun__ */ |
1616 | ||
1617 | #if defined(__linux__) | |
e551498e GH |
1618 | |
1619 | #define HAVE_CHARDEV_PARPORT 1 | |
1620 | ||
6f97dba0 AL |
1621 | typedef struct { |
1622 | int fd; | |
1623 | int mode; | |
1624 | } ParallelCharDriver; | |
1625 | ||
1626 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1627 | { | |
1628 | if (s->mode != mode) { | |
1629 | int m = mode; | |
1630 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1631 | return 0; | |
1632 | s->mode = mode; | |
1633 | } | |
1634 | return 1; | |
1635 | } | |
1636 | ||
1637 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1638 | { | |
1639 | ParallelCharDriver *drv = chr->opaque; | |
1640 | int fd = drv->fd; | |
1641 | uint8_t b; | |
1642 | ||
1643 | switch(cmd) { | |
1644 | case CHR_IOCTL_PP_READ_DATA: | |
1645 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1646 | return -ENOTSUP; | |
1647 | *(uint8_t *)arg = b; | |
1648 | break; | |
1649 | case CHR_IOCTL_PP_WRITE_DATA: | |
1650 | b = *(uint8_t *)arg; | |
1651 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1652 | return -ENOTSUP; | |
1653 | break; | |
1654 | case CHR_IOCTL_PP_READ_CONTROL: | |
1655 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1656 | return -ENOTSUP; | |
1657 | /* Linux gives only the lowest bits, and no way to know data | |
1658 | direction! For better compatibility set the fixed upper | |
1659 | bits. */ | |
1660 | *(uint8_t *)arg = b | 0xc0; | |
1661 | break; | |
1662 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1663 | b = *(uint8_t *)arg; | |
1664 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1665 | return -ENOTSUP; | |
1666 | break; | |
1667 | case CHR_IOCTL_PP_READ_STATUS: | |
1668 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1669 | return -ENOTSUP; | |
1670 | *(uint8_t *)arg = b; | |
1671 | break; | |
1672 | case CHR_IOCTL_PP_DATA_DIR: | |
1673 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1674 | return -ENOTSUP; | |
1675 | break; | |
1676 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1677 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1678 | struct ParallelIOArg *parg = arg; | |
1679 | int n = read(fd, parg->buffer, parg->count); | |
1680 | if (n != parg->count) { | |
1681 | return -EIO; | |
1682 | } | |
1683 | } | |
1684 | break; | |
1685 | case CHR_IOCTL_PP_EPP_READ: | |
1686 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1687 | struct ParallelIOArg *parg = arg; | |
1688 | int n = read(fd, parg->buffer, parg->count); | |
1689 | if (n != parg->count) { | |
1690 | return -EIO; | |
1691 | } | |
1692 | } | |
1693 | break; | |
1694 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1695 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1696 | struct ParallelIOArg *parg = arg; | |
1697 | int n = write(fd, parg->buffer, parg->count); | |
1698 | if (n != parg->count) { | |
1699 | return -EIO; | |
1700 | } | |
1701 | } | |
1702 | break; | |
1703 | case CHR_IOCTL_PP_EPP_WRITE: | |
1704 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1705 | struct ParallelIOArg *parg = arg; | |
1706 | int n = write(fd, parg->buffer, parg->count); | |
1707 | if (n != parg->count) { | |
1708 | return -EIO; | |
1709 | } | |
1710 | } | |
1711 | break; | |
1712 | default: | |
1713 | return -ENOTSUP; | |
1714 | } | |
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | static void pp_close(CharDriverState *chr) | |
1719 | { | |
1720 | ParallelCharDriver *drv = chr->opaque; | |
1721 | int fd = drv->fd; | |
1722 | ||
1723 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1724 | ioctl(fd, PPRELEASE); | |
1725 | close(fd); | |
7267c094 | 1726 | g_free(drv); |
a425d23f | 1727 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1728 | } |
1729 | ||
d0d7708b DB |
1730 | static CharDriverState *qemu_chr_open_pp_fd(int fd, |
1731 | ChardevCommon *backend, | |
1732 | Error **errp) | |
6f97dba0 AL |
1733 | { |
1734 | CharDriverState *chr; | |
1735 | ParallelCharDriver *drv; | |
6f97dba0 AL |
1736 | |
1737 | if (ioctl(fd, PPCLAIM) < 0) { | |
38bfb1a6 | 1738 | error_setg_errno(errp, errno, "not a parallel port"); |
6f97dba0 | 1739 | close(fd); |
1f51470d | 1740 | return NULL; |
6f97dba0 AL |
1741 | } |
1742 | ||
d0d7708b DB |
1743 | chr = qemu_chr_alloc(backend, errp); |
1744 | if (!chr) { | |
1745 | return NULL; | |
1746 | } | |
27ef9cb0 PB |
1747 | |
1748 | drv = g_new0(ParallelCharDriver, 1); | |
1749 | chr->opaque = drv; | |
6f97dba0 AL |
1750 | chr->chr_write = null_chr_write; |
1751 | chr->chr_ioctl = pp_ioctl; | |
1752 | chr->chr_close = pp_close; | |
27ef9cb0 PB |
1753 | |
1754 | drv->fd = fd; | |
1755 | drv->mode = IEEE1284_MODE_COMPAT; | |
6f97dba0 | 1756 | |
1f51470d | 1757 | return chr; |
6f97dba0 AL |
1758 | } |
1759 | #endif /* __linux__ */ | |
1760 | ||
a167ba50 | 1761 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
e551498e GH |
1762 | |
1763 | #define HAVE_CHARDEV_PARPORT 1 | |
1764 | ||
6972f935 BS |
1765 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1766 | { | |
e0efb993 | 1767 | int fd = (int)(intptr_t)chr->opaque; |
6972f935 BS |
1768 | uint8_t b; |
1769 | ||
1770 | switch(cmd) { | |
1771 | case CHR_IOCTL_PP_READ_DATA: | |
1772 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1773 | return -ENOTSUP; | |
1774 | *(uint8_t *)arg = b; | |
1775 | break; | |
1776 | case CHR_IOCTL_PP_WRITE_DATA: | |
1777 | b = *(uint8_t *)arg; | |
1778 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1779 | return -ENOTSUP; | |
1780 | break; | |
1781 | case CHR_IOCTL_PP_READ_CONTROL: | |
1782 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1783 | return -ENOTSUP; | |
1784 | *(uint8_t *)arg = b; | |
1785 | break; | |
1786 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1787 | b = *(uint8_t *)arg; | |
1788 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1789 | return -ENOTSUP; | |
1790 | break; | |
1791 | case CHR_IOCTL_PP_READ_STATUS: | |
1792 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1793 | return -ENOTSUP; | |
1794 | *(uint8_t *)arg = b; | |
1795 | break; | |
1796 | default: | |
1797 | return -ENOTSUP; | |
1798 | } | |
1799 | return 0; | |
1800 | } | |
1801 | ||
d0d7708b DB |
1802 | static CharDriverState *qemu_chr_open_pp_fd(int fd, |
1803 | ChardevBackend *backend, | |
1804 | Error **errp) | |
6972f935 BS |
1805 | { |
1806 | CharDriverState *chr; | |
6972f935 | 1807 | |
d0d7708b DB |
1808 | chr = qemu_chr_alloc(common, errp); |
1809 | if (!chr) { | |
1810 | return NULL; | |
1811 | } | |
e0efb993 | 1812 | chr->opaque = (void *)(intptr_t)fd; |
6972f935 BS |
1813 | chr->chr_write = null_chr_write; |
1814 | chr->chr_ioctl = pp_ioctl; | |
bd5c51ee | 1815 | chr->explicit_be_open = true; |
1f51470d | 1816 | return chr; |
6972f935 BS |
1817 | } |
1818 | #endif | |
1819 | ||
6f97dba0 AL |
1820 | #else /* _WIN32 */ |
1821 | ||
d809ab95 PB |
1822 | #define HAVE_CHARDEV_SERIAL 1 |
1823 | ||
6f97dba0 AL |
1824 | typedef struct { |
1825 | int max_size; | |
1826 | HANDLE hcom, hrecv, hsend; | |
9005b2a7 | 1827 | OVERLAPPED orecv; |
6f97dba0 AL |
1828 | BOOL fpipe; |
1829 | DWORD len; | |
9005b2a7 PB |
1830 | |
1831 | /* Protected by the CharDriverState chr_write_lock. */ | |
1832 | OVERLAPPED osend; | |
6f97dba0 AL |
1833 | } WinCharState; |
1834 | ||
db418a0a FC |
1835 | typedef struct { |
1836 | HANDLE hStdIn; | |
1837 | HANDLE hInputReadyEvent; | |
1838 | HANDLE hInputDoneEvent; | |
1839 | HANDLE hInputThread; | |
1840 | uint8_t win_stdio_buf; | |
1841 | } WinStdioCharState; | |
1842 | ||
6f97dba0 AL |
1843 | #define NSENDBUF 2048 |
1844 | #define NRECVBUF 2048 | |
1845 | #define MAXCONNECT 1 | |
1846 | #define NTIMEOUT 5000 | |
1847 | ||
1848 | static int win_chr_poll(void *opaque); | |
1849 | static int win_chr_pipe_poll(void *opaque); | |
1850 | ||
1851 | static void win_chr_close(CharDriverState *chr) | |
1852 | { | |
1853 | WinCharState *s = chr->opaque; | |
1854 | ||
1855 | if (s->hsend) { | |
1856 | CloseHandle(s->hsend); | |
1857 | s->hsend = NULL; | |
1858 | } | |
1859 | if (s->hrecv) { | |
1860 | CloseHandle(s->hrecv); | |
1861 | s->hrecv = NULL; | |
1862 | } | |
1863 | if (s->hcom) { | |
1864 | CloseHandle(s->hcom); | |
1865 | s->hcom = NULL; | |
1866 | } | |
1867 | if (s->fpipe) | |
1868 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1869 | else | |
1870 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 | 1871 | |
a425d23f | 1872 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1873 | } |
1874 | ||
6511d396 | 1875 | static int win_chr_init(CharDriverState *chr, const char *filename, Error **errp) |
6f97dba0 AL |
1876 | { |
1877 | WinCharState *s = chr->opaque; | |
1878 | COMMCONFIG comcfg; | |
1879 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1880 | COMSTAT comstat; | |
1881 | DWORD size; | |
1882 | DWORD err; | |
1883 | ||
1884 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1885 | if (!s->hsend) { | |
6511d396 | 1886 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
1887 | goto fail; |
1888 | } | |
1889 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1890 | if (!s->hrecv) { | |
6511d396 | 1891 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
1892 | goto fail; |
1893 | } | |
1894 | ||
1895 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1896 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1897 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
6511d396 | 1898 | error_setg(errp, "Failed CreateFile (%lu)", GetLastError()); |
6f97dba0 AL |
1899 | s->hcom = NULL; |
1900 | goto fail; | |
1901 | } | |
1902 | ||
1903 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
6511d396 | 1904 | error_setg(errp, "Failed SetupComm"); |
6f97dba0 AL |
1905 | goto fail; |
1906 | } | |
1907 | ||
1908 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1909 | size = sizeof(COMMCONFIG); | |
1910 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1911 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1912 | CommConfigDialog(filename, NULL, &comcfg); | |
1913 | ||
1914 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
6511d396 | 1915 | error_setg(errp, "Failed SetCommState"); |
6f97dba0 AL |
1916 | goto fail; |
1917 | } | |
1918 | ||
1919 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
6511d396 | 1920 | error_setg(errp, "Failed SetCommMask"); |
6f97dba0 AL |
1921 | goto fail; |
1922 | } | |
1923 | ||
1924 | cto.ReadIntervalTimeout = MAXDWORD; | |
1925 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
6511d396 | 1926 | error_setg(errp, "Failed SetCommTimeouts"); |
6f97dba0 AL |
1927 | goto fail; |
1928 | } | |
1929 | ||
1930 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
6511d396 | 1931 | error_setg(errp, "Failed ClearCommError"); |
6f97dba0 AL |
1932 | goto fail; |
1933 | } | |
1934 | qemu_add_polling_cb(win_chr_poll, chr); | |
1935 | return 0; | |
1936 | ||
1937 | fail: | |
1938 | win_chr_close(chr); | |
1939 | return -1; | |
1940 | } | |
1941 | ||
9005b2a7 | 1942 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
1943 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
1944 | { | |
1945 | WinCharState *s = chr->opaque; | |
1946 | DWORD len, ret, size, err; | |
1947 | ||
1948 | len = len1; | |
1949 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1950 | s->osend.hEvent = s->hsend; | |
1951 | while (len > 0) { | |
1952 | if (s->hsend) | |
1953 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1954 | else | |
1955 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1956 | if (!ret) { | |
1957 | err = GetLastError(); | |
1958 | if (err == ERROR_IO_PENDING) { | |
1959 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1960 | if (ret) { | |
1961 | buf += size; | |
1962 | len -= size; | |
1963 | } else { | |
1964 | break; | |
1965 | } | |
1966 | } else { | |
1967 | break; | |
1968 | } | |
1969 | } else { | |
1970 | buf += size; | |
1971 | len -= size; | |
1972 | } | |
1973 | } | |
1974 | return len1 - len; | |
1975 | } | |
1976 | ||
1977 | static int win_chr_read_poll(CharDriverState *chr) | |
1978 | { | |
1979 | WinCharState *s = chr->opaque; | |
1980 | ||
909cda12 | 1981 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1982 | return s->max_size; |
1983 | } | |
1984 | ||
1985 | static void win_chr_readfile(CharDriverState *chr) | |
1986 | { | |
1987 | WinCharState *s = chr->opaque; | |
1988 | int ret, err; | |
9bd7854e | 1989 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1990 | DWORD size; |
1991 | ||
1992 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1993 | s->orecv.hEvent = s->hrecv; | |
1994 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1995 | if (!ret) { | |
1996 | err = GetLastError(); | |
1997 | if (err == ERROR_IO_PENDING) { | |
1998 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | if (size > 0) { | |
fa5efccb | 2003 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
2004 | } |
2005 | } | |
2006 | ||
2007 | static void win_chr_read(CharDriverState *chr) | |
2008 | { | |
2009 | WinCharState *s = chr->opaque; | |
2010 | ||
2011 | if (s->len > s->max_size) | |
2012 | s->len = s->max_size; | |
2013 | if (s->len == 0) | |
2014 | return; | |
2015 | ||
2016 | win_chr_readfile(chr); | |
2017 | } | |
2018 | ||
2019 | static int win_chr_poll(void *opaque) | |
2020 | { | |
2021 | CharDriverState *chr = opaque; | |
2022 | WinCharState *s = chr->opaque; | |
2023 | COMSTAT status; | |
2024 | DWORD comerr; | |
2025 | ||
2026 | ClearCommError(s->hcom, &comerr, &status); | |
2027 | if (status.cbInQue > 0) { | |
2028 | s->len = status.cbInQue; | |
2029 | win_chr_read_poll(chr); | |
2030 | win_chr_read(chr); | |
2031 | return 1; | |
2032 | } | |
2033 | return 0; | |
2034 | } | |
2035 | ||
6511d396 | 2036 | static CharDriverState *qemu_chr_open_win_path(const char *filename, |
d0d7708b | 2037 | ChardevCommon *backend, |
6511d396 | 2038 | Error **errp) |
6f97dba0 AL |
2039 | { |
2040 | CharDriverState *chr; | |
2041 | WinCharState *s; | |
2042 | ||
d0d7708b DB |
2043 | chr = qemu_chr_alloc(backend, errp); |
2044 | if (!chr) { | |
2045 | return NULL; | |
2046 | } | |
2d528d45 | 2047 | s = g_new0(WinCharState, 1); |
6f97dba0 AL |
2048 | chr->opaque = s; |
2049 | chr->chr_write = win_chr_write; | |
2050 | chr->chr_close = win_chr_close; | |
2051 | ||
6511d396 | 2052 | if (win_chr_init(chr, filename, errp) < 0) { |
2e02e18b | 2053 | g_free(s); |
d0d7708b | 2054 | qemu_chr_free_common(chr); |
1f51470d | 2055 | return NULL; |
6f97dba0 | 2056 | } |
1f51470d | 2057 | return chr; |
6f97dba0 AL |
2058 | } |
2059 | ||
2060 | static int win_chr_pipe_poll(void *opaque) | |
2061 | { | |
2062 | CharDriverState *chr = opaque; | |
2063 | WinCharState *s = chr->opaque; | |
2064 | DWORD size; | |
2065 | ||
2066 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
2067 | if (size > 0) { | |
2068 | s->len = size; | |
2069 | win_chr_read_poll(chr); | |
2070 | win_chr_read(chr); | |
2071 | return 1; | |
2072 | } | |
2073 | return 0; | |
2074 | } | |
2075 | ||
20cbe7a2 PB |
2076 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename, |
2077 | Error **errp) | |
6f97dba0 AL |
2078 | { |
2079 | WinCharState *s = chr->opaque; | |
2080 | OVERLAPPED ov; | |
2081 | int ret; | |
2082 | DWORD size; | |
0ff0fad2 | 2083 | char *openname; |
6f97dba0 AL |
2084 | |
2085 | s->fpipe = TRUE; | |
2086 | ||
2087 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2088 | if (!s->hsend) { | |
20cbe7a2 | 2089 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2090 | goto fail; |
2091 | } | |
2092 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2093 | if (!s->hrecv) { | |
20cbe7a2 | 2094 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2095 | goto fail; |
2096 | } | |
2097 | ||
0ff0fad2 | 2098 | openname = g_strdup_printf("\\\\.\\pipe\\%s", filename); |
6f97dba0 AL |
2099 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
2100 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
2101 | PIPE_WAIT, | |
2102 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
0ff0fad2 | 2103 | g_free(openname); |
6f97dba0 | 2104 | if (s->hcom == INVALID_HANDLE_VALUE) { |
20cbe7a2 | 2105 | error_setg(errp, "Failed CreateNamedPipe (%lu)", GetLastError()); |
6f97dba0 AL |
2106 | s->hcom = NULL; |
2107 | goto fail; | |
2108 | } | |
2109 | ||
2110 | ZeroMemory(&ov, sizeof(ov)); | |
2111 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2112 | ret = ConnectNamedPipe(s->hcom, &ov); | |
2113 | if (ret) { | |
20cbe7a2 | 2114 | error_setg(errp, "Failed ConnectNamedPipe"); |
6f97dba0 AL |
2115 | goto fail; |
2116 | } | |
2117 | ||
2118 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
2119 | if (!ret) { | |
20cbe7a2 | 2120 | error_setg(errp, "Failed GetOverlappedResult"); |
6f97dba0 AL |
2121 | if (ov.hEvent) { |
2122 | CloseHandle(ov.hEvent); | |
2123 | ov.hEvent = NULL; | |
2124 | } | |
2125 | goto fail; | |
2126 | } | |
2127 | ||
2128 | if (ov.hEvent) { | |
2129 | CloseHandle(ov.hEvent); | |
2130 | ov.hEvent = NULL; | |
2131 | } | |
2132 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
2133 | return 0; | |
2134 | ||
2135 | fail: | |
2136 | win_chr_close(chr); | |
2137 | return -1; | |
2138 | } | |
2139 | ||
2140 | ||
20cbe7a2 PB |
2141 | static CharDriverState *qemu_chr_open_pipe(const char *id, |
2142 | ChardevBackend *backend, | |
2143 | ChardevReturn *ret, | |
2144 | Error **errp) | |
6f97dba0 | 2145 | { |
130257dc | 2146 | ChardevHostdev *opts = backend->u.pipe; |
548cbb36 | 2147 | const char *filename = opts->device; |
6f97dba0 AL |
2148 | CharDriverState *chr; |
2149 | WinCharState *s; | |
d0d7708b | 2150 | ChardevCommon *common = qapi_ChardevHostdev_base(backend->u.pipe); |
6f97dba0 | 2151 | |
d0d7708b DB |
2152 | chr = qemu_chr_alloc(common, errp); |
2153 | if (!chr) { | |
2154 | return NULL; | |
2155 | } | |
2d528d45 | 2156 | s = g_new0(WinCharState, 1); |
6f97dba0 AL |
2157 | chr->opaque = s; |
2158 | chr->chr_write = win_chr_write; | |
2159 | chr->chr_close = win_chr_close; | |
2160 | ||
20cbe7a2 | 2161 | if (win_chr_pipe_init(chr, filename, errp) < 0) { |
2e02e18b | 2162 | g_free(s); |
d0d7708b | 2163 | qemu_chr_free_common(chr); |
1f51470d | 2164 | return NULL; |
6f97dba0 | 2165 | } |
1f51470d | 2166 | return chr; |
6f97dba0 AL |
2167 | } |
2168 | ||
d0d7708b DB |
2169 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out, |
2170 | ChardevCommon *backend, | |
2171 | Error **errp) | |
6f97dba0 AL |
2172 | { |
2173 | CharDriverState *chr; | |
2174 | WinCharState *s; | |
2175 | ||
d0d7708b DB |
2176 | chr = qemu_chr_alloc(backend, errp); |
2177 | if (!chr) { | |
2178 | return NULL; | |
2179 | } | |
2d528d45 | 2180 | s = g_new0(WinCharState, 1); |
6f97dba0 AL |
2181 | s->hcom = fd_out; |
2182 | chr->opaque = s; | |
2183 | chr->chr_write = win_chr_write; | |
1f51470d | 2184 | return chr; |
6f97dba0 AL |
2185 | } |
2186 | ||
122e5ed4 PB |
2187 | static CharDriverState *qemu_chr_open_win_con(const char *id, |
2188 | ChardevBackend *backend, | |
2189 | ChardevReturn *ret, | |
2190 | Error **errp) | |
6f97dba0 | 2191 | { |
d0d7708b DB |
2192 | ChardevCommon *common = qapi_ChardevDummy_base(backend->u.console); |
2193 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE), | |
2194 | common, errp); | |
6f97dba0 AL |
2195 | } |
2196 | ||
db418a0a FC |
2197 | static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len) |
2198 | { | |
2199 | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); | |
2200 | DWORD dwSize; | |
2201 | int len1; | |
2202 | ||
2203 | len1 = len; | |
2204 | ||
2205 | while (len1 > 0) { | |
2206 | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { | |
2207 | break; | |
2208 | } | |
2209 | buf += dwSize; | |
2210 | len1 -= dwSize; | |
2211 | } | |
2212 | ||
2213 | return len - len1; | |
2214 | } | |
2215 | ||
2216 | static void win_stdio_wait_func(void *opaque) | |
2217 | { | |
2218 | CharDriverState *chr = opaque; | |
2219 | WinStdioCharState *stdio = chr->opaque; | |
2220 | INPUT_RECORD buf[4]; | |
2221 | int ret; | |
2222 | DWORD dwSize; | |
2223 | int i; | |
2224 | ||
dff7424d | 2225 | ret = ReadConsoleInput(stdio->hStdIn, buf, ARRAY_SIZE(buf), &dwSize); |
db418a0a FC |
2226 | |
2227 | if (!ret) { | |
2228 | /* Avoid error storm */ | |
2229 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
2230 | return; | |
2231 | } | |
2232 | ||
2233 | for (i = 0; i < dwSize; i++) { | |
2234 | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; | |
2235 | ||
2236 | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) { | |
2237 | int j; | |
2238 | if (kev->uChar.AsciiChar != 0) { | |
2239 | for (j = 0; j < kev->wRepeatCount; j++) { | |
2240 | if (qemu_chr_be_can_write(chr)) { | |
2241 | uint8_t c = kev->uChar.AsciiChar; | |
2242 | qemu_chr_be_write(chr, &c, 1); | |
2243 | } | |
2244 | } | |
2245 | } | |
2246 | } | |
2247 | } | |
2248 | } | |
2249 | ||
2250 | static DWORD WINAPI win_stdio_thread(LPVOID param) | |
2251 | { | |
2252 | CharDriverState *chr = param; | |
2253 | WinStdioCharState *stdio = chr->opaque; | |
2254 | int ret; | |
2255 | DWORD dwSize; | |
2256 | ||
2257 | while (1) { | |
2258 | ||
2259 | /* Wait for one byte */ | |
2260 | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); | |
2261 | ||
2262 | /* Exit in case of error, continue if nothing read */ | |
2263 | if (!ret) { | |
2264 | break; | |
2265 | } | |
2266 | if (!dwSize) { | |
2267 | continue; | |
2268 | } | |
2269 | ||
2270 | /* Some terminal emulator returns \r\n for Enter, just pass \n */ | |
2271 | if (stdio->win_stdio_buf == '\r') { | |
2272 | continue; | |
2273 | } | |
2274 | ||
2275 | /* Signal the main thread and wait until the byte was eaten */ | |
2276 | if (!SetEvent(stdio->hInputReadyEvent)) { | |
2277 | break; | |
2278 | } | |
2279 | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE) | |
2280 | != WAIT_OBJECT_0) { | |
2281 | break; | |
2282 | } | |
2283 | } | |
2284 | ||
2285 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | static void win_stdio_thread_wait_func(void *opaque) | |
2290 | { | |
2291 | CharDriverState *chr = opaque; | |
2292 | WinStdioCharState *stdio = chr->opaque; | |
2293 | ||
2294 | if (qemu_chr_be_can_write(chr)) { | |
2295 | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1); | |
2296 | } | |
2297 | ||
2298 | SetEvent(stdio->hInputDoneEvent); | |
2299 | } | |
2300 | ||
2301 | static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo) | |
2302 | { | |
2303 | WinStdioCharState *stdio = chr->opaque; | |
2304 | DWORD dwMode = 0; | |
2305 | ||
2306 | GetConsoleMode(stdio->hStdIn, &dwMode); | |
2307 | ||
2308 | if (echo) { | |
2309 | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); | |
2310 | } else { | |
2311 | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); | |
2312 | } | |
2313 | } | |
2314 | ||
2315 | static void win_stdio_close(CharDriverState *chr) | |
2316 | { | |
2317 | WinStdioCharState *stdio = chr->opaque; | |
2318 | ||
2319 | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) { | |
2320 | CloseHandle(stdio->hInputReadyEvent); | |
2321 | } | |
2322 | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) { | |
2323 | CloseHandle(stdio->hInputDoneEvent); | |
2324 | } | |
2325 | if (stdio->hInputThread != INVALID_HANDLE_VALUE) { | |
2326 | TerminateThread(stdio->hInputThread, 0); | |
2327 | } | |
2328 | ||
2329 | g_free(chr->opaque); | |
2330 | g_free(chr); | |
db418a0a FC |
2331 | } |
2332 | ||
8c84b25d PB |
2333 | static CharDriverState *qemu_chr_open_stdio(const char *id, |
2334 | ChardevBackend *backend, | |
2335 | ChardevReturn *ret, | |
2336 | Error **errp) | |
db418a0a FC |
2337 | { |
2338 | CharDriverState *chr; | |
2339 | WinStdioCharState *stdio; | |
2340 | DWORD dwMode; | |
2341 | int is_console = 0; | |
d0d7708b | 2342 | ChardevCommon *common = qapi_ChardevStdio_base(backend->u.stdio); |
db418a0a | 2343 | |
d0d7708b DB |
2344 | chr = qemu_chr_alloc(common, errp); |
2345 | if (!chr) { | |
2346 | return NULL; | |
2347 | } | |
2d528d45 | 2348 | stdio = g_new0(WinStdioCharState, 1); |
db418a0a FC |
2349 | |
2350 | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); | |
2351 | if (stdio->hStdIn == INVALID_HANDLE_VALUE) { | |
8c84b25d PB |
2352 | error_setg(errp, "cannot open stdio: invalid handle"); |
2353 | return NULL; | |
db418a0a FC |
2354 | } |
2355 | ||
2356 | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0; | |
2357 | ||
2358 | chr->opaque = stdio; | |
2359 | chr->chr_write = win_stdio_write; | |
2360 | chr->chr_close = win_stdio_close; | |
2361 | ||
ed7a1540 AL |
2362 | if (is_console) { |
2363 | if (qemu_add_wait_object(stdio->hStdIn, | |
2364 | win_stdio_wait_func, chr)) { | |
8c84b25d PB |
2365 | error_setg(errp, "qemu_add_wait_object: failed"); |
2366 | goto err1; | |
ed7a1540 AL |
2367 | } |
2368 | } else { | |
2369 | DWORD dwId; | |
2370 | ||
2371 | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2372 | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
8c84b25d | 2373 | if (stdio->hInputReadyEvent == INVALID_HANDLE_VALUE |
ed7a1540 | 2374 | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { |
8c84b25d PB |
2375 | error_setg(errp, "cannot create event"); |
2376 | goto err2; | |
ed7a1540 AL |
2377 | } |
2378 | if (qemu_add_wait_object(stdio->hInputReadyEvent, | |
2379 | win_stdio_thread_wait_func, chr)) { | |
8c84b25d PB |
2380 | error_setg(errp, "qemu_add_wait_object: failed"); |
2381 | goto err2; | |
2382 | } | |
2383 | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, | |
2384 | chr, 0, &dwId); | |
2385 | ||
2386 | if (stdio->hInputThread == INVALID_HANDLE_VALUE) { | |
2387 | error_setg(errp, "cannot create stdio thread"); | |
2388 | goto err3; | |
db418a0a FC |
2389 | } |
2390 | } | |
2391 | ||
2392 | dwMode |= ENABLE_LINE_INPUT; | |
2393 | ||
ed7a1540 | 2394 | if (is_console) { |
db418a0a FC |
2395 | /* set the terminal in raw mode */ |
2396 | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */ | |
2397 | dwMode |= ENABLE_PROCESSED_INPUT; | |
2398 | } | |
2399 | ||
2400 | SetConsoleMode(stdio->hStdIn, dwMode); | |
2401 | ||
2402 | chr->chr_set_echo = qemu_chr_set_echo_win_stdio; | |
2403 | qemu_chr_fe_set_echo(chr, false); | |
2404 | ||
1f51470d | 2405 | return chr; |
8c84b25d PB |
2406 | |
2407 | err3: | |
2408 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2409 | err2: | |
2410 | CloseHandle(stdio->hInputReadyEvent); | |
2411 | CloseHandle(stdio->hInputDoneEvent); | |
2412 | err1: | |
2413 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
2414 | return NULL; | |
db418a0a | 2415 | } |
6f97dba0 AL |
2416 | #endif /* !_WIN32 */ |
2417 | ||
5ab8211b | 2418 | |
6f97dba0 AL |
2419 | /***********************************************************/ |
2420 | /* UDP Net console */ | |
2421 | ||
2422 | typedef struct { | |
9894dc0c | 2423 | QIOChannel *ioc; |
9bd7854e | 2424 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2425 | int bufcnt; |
2426 | int bufptr; | |
2427 | int max_size; | |
2428 | } NetCharDriver; | |
2429 | ||
9005b2a7 | 2430 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
2431 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2432 | { | |
2433 | NetCharDriver *s = chr->opaque; | |
76a9644b | 2434 | |
9894dc0c DB |
2435 | return qio_channel_write( |
2436 | s->ioc, (const char *)buf, len, NULL); | |
6f97dba0 AL |
2437 | } |
2438 | ||
2439 | static int udp_chr_read_poll(void *opaque) | |
2440 | { | |
2441 | CharDriverState *chr = opaque; | |
2442 | NetCharDriver *s = chr->opaque; | |
2443 | ||
909cda12 | 2444 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2445 | |
2446 | /* If there were any stray characters in the queue process them | |
2447 | * first | |
2448 | */ | |
2449 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2450 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2451 | s->bufptr++; |
909cda12 | 2452 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2453 | } |
2454 | return s->max_size; | |
2455 | } | |
2456 | ||
9894dc0c | 2457 | static gboolean udp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2458 | { |
2459 | CharDriverState *chr = opaque; | |
2460 | NetCharDriver *s = chr->opaque; | |
9894dc0c | 2461 | ssize_t ret; |
6f97dba0 | 2462 | |
cdbf6e16 PB |
2463 | if (s->max_size == 0) { |
2464 | return TRUE; | |
2465 | } | |
9894dc0c DB |
2466 | ret = qio_channel_read( |
2467 | s->ioc, (char *)s->buf, sizeof(s->buf), NULL); | |
2468 | if (ret <= 0) { | |
26da70c7 | 2469 | remove_fd_in_watch(chr); |
76a9644b AL |
2470 | return FALSE; |
2471 | } | |
9894dc0c | 2472 | s->bufcnt = ret; |
6f97dba0 AL |
2473 | |
2474 | s->bufptr = 0; | |
2475 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2476 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2477 | s->bufptr++; |
909cda12 | 2478 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 | 2479 | } |
76a9644b AL |
2480 | |
2481 | return TRUE; | |
6f97dba0 AL |
2482 | } |
2483 | ||
2484 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2485 | { | |
2486 | NetCharDriver *s = chr->opaque; | |
2487 | ||
26da70c7 | 2488 | remove_fd_in_watch(chr); |
9894dc0c DB |
2489 | if (s->ioc) { |
2490 | chr->fd_in_tag = io_add_watch_poll(s->ioc, | |
2491 | udp_chr_read_poll, | |
7ba9addc | 2492 | udp_chr_read, chr); |
6f97dba0 AL |
2493 | } |
2494 | } | |
2495 | ||
819f56b7 AL |
2496 | static void udp_chr_close(CharDriverState *chr) |
2497 | { | |
2498 | NetCharDriver *s = chr->opaque; | |
26da70c7 AS |
2499 | |
2500 | remove_fd_in_watch(chr); | |
9894dc0c DB |
2501 | if (s->ioc) { |
2502 | object_unref(OBJECT(s->ioc)); | |
819f56b7 | 2503 | } |
7267c094 | 2504 | g_free(s); |
a425d23f | 2505 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
2506 | } |
2507 | ||
9894dc0c DB |
2508 | static CharDriverState *qemu_chr_open_udp(QIOChannelSocket *sioc, |
2509 | ChardevCommon *backend, | |
2510 | Error **errp) | |
6f97dba0 AL |
2511 | { |
2512 | CharDriverState *chr = NULL; | |
2513 | NetCharDriver *s = NULL; | |
6f97dba0 | 2514 | |
d0d7708b DB |
2515 | chr = qemu_chr_alloc(backend, errp); |
2516 | if (!chr) { | |
2517 | return NULL; | |
2518 | } | |
2d528d45 | 2519 | s = g_new0(NetCharDriver, 1); |
6f97dba0 | 2520 | |
9894dc0c | 2521 | s->ioc = QIO_CHANNEL(sioc); |
6f97dba0 AL |
2522 | s->bufcnt = 0; |
2523 | s->bufptr = 0; | |
2524 | chr->opaque = s; | |
2525 | chr->chr_write = udp_chr_write; | |
2526 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 2527 | chr->chr_close = udp_chr_close; |
bd5c51ee MR |
2528 | /* be isn't opened until we get a connection */ |
2529 | chr->explicit_be_open = true; | |
1f51470d | 2530 | return chr; |
3ecc059d | 2531 | } |
6f97dba0 | 2532 | |
6f97dba0 AL |
2533 | /***********************************************************/ |
2534 | /* TCP Net console */ | |
2535 | ||
2536 | typedef struct { | |
a8fb5427 DB |
2537 | QIOChannel *ioc; /* Client I/O channel */ |
2538 | QIOChannelSocket *sioc; /* Client master channel */ | |
9894dc0c | 2539 | QIOChannelSocket *listen_ioc; |
7ba9addc | 2540 | guint listen_tag; |
a8fb5427 | 2541 | QCryptoTLSCreds *tls_creds; |
6f97dba0 AL |
2542 | int connected; |
2543 | int max_size; | |
2544 | int do_telnetopt; | |
2545 | int do_nodelay; | |
2546 | int is_unix; | |
c76bf6bb | 2547 | int *read_msgfds; |
9894dc0c | 2548 | size_t read_msgfds_num; |
d39aac7a | 2549 | int *write_msgfds; |
9894dc0c | 2550 | size_t write_msgfds_num; |
cfb429cb CM |
2551 | |
2552 | SocketAddress *addr; | |
2553 | bool is_listen; | |
2554 | bool is_telnet; | |
5dd1f02b CM |
2555 | |
2556 | guint reconnect_timer; | |
2557 | int64_t reconnect_time; | |
5008e5b7 | 2558 | bool connect_err_reported; |
6f97dba0 AL |
2559 | } TCPCharDriver; |
2560 | ||
5dd1f02b CM |
2561 | static gboolean socket_reconnect_timeout(gpointer opaque); |
2562 | ||
2563 | static void qemu_chr_socket_restart_timer(CharDriverState *chr) | |
2564 | { | |
2565 | TCPCharDriver *s = chr->opaque; | |
2566 | assert(s->connected == 0); | |
2567 | s->reconnect_timer = g_timeout_add_seconds(s->reconnect_time, | |
2568 | socket_reconnect_timeout, chr); | |
2569 | } | |
2570 | ||
5008e5b7 CM |
2571 | static void check_report_connect_error(CharDriverState *chr, |
2572 | Error *err) | |
2573 | { | |
2574 | TCPCharDriver *s = chr->opaque; | |
2575 | ||
2576 | if (!s->connect_err_reported) { | |
2577 | error_report("Unable to connect character device %s: %s", | |
2578 | chr->label, error_get_pretty(err)); | |
2579 | s->connect_err_reported = true; | |
2580 | } | |
2581 | qemu_chr_socket_restart_timer(chr); | |
2582 | } | |
2583 | ||
9894dc0c DB |
2584 | static gboolean tcp_chr_accept(QIOChannel *chan, |
2585 | GIOCondition cond, | |
2586 | void *opaque); | |
d39aac7a | 2587 | |
9005b2a7 | 2588 | /* Called with chr_write_lock held. */ |
6f97dba0 AL |
2589 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2590 | { | |
2591 | TCPCharDriver *s = chr->opaque; | |
2592 | if (s->connected) { | |
9894dc0c DB |
2593 | int ret = io_channel_send_full(s->ioc, buf, len, |
2594 | s->write_msgfds, | |
2595 | s->write_msgfds_num); | |
2596 | ||
2597 | /* free the written msgfds, no matter what */ | |
2598 | if (s->write_msgfds_num) { | |
2599 | g_free(s->write_msgfds); | |
2600 | s->write_msgfds = 0; | |
2601 | s->write_msgfds_num = 0; | |
d39aac7a | 2602 | } |
9894dc0c DB |
2603 | |
2604 | return ret; | |
455aa1e0 | 2605 | } else { |
6db0fdce | 2606 | /* XXX: indicate an error ? */ |
455aa1e0 | 2607 | return len; |
6f97dba0 AL |
2608 | } |
2609 | } | |
2610 | ||
2611 | static int tcp_chr_read_poll(void *opaque) | |
2612 | { | |
2613 | CharDriverState *chr = opaque; | |
2614 | TCPCharDriver *s = chr->opaque; | |
2615 | if (!s->connected) | |
2616 | return 0; | |
909cda12 | 2617 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2618 | return s->max_size; |
2619 | } | |
2620 | ||
2621 | #define IAC 255 | |
2622 | #define IAC_BREAK 243 | |
2623 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2624 | TCPCharDriver *s, | |
2625 | uint8_t *buf, int *size) | |
2626 | { | |
2627 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2628 | * char mode with no echo. All IAC options will be removed from | |
2629 | * the buf and the do_telnetopt variable will be used to track the | |
2630 | * state of the width of the IAC information. | |
2631 | * | |
2632 | * IAC commands come in sets of 3 bytes with the exception of the | |
2633 | * "IAC BREAK" command and the double IAC. | |
2634 | */ | |
2635 | ||
2636 | int i; | |
2637 | int j = 0; | |
2638 | ||
2639 | for (i = 0; i < *size; i++) { | |
2640 | if (s->do_telnetopt > 1) { | |
2641 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2642 | /* Double IAC means send an IAC */ | |
2643 | if (j != i) | |
2644 | buf[j] = buf[i]; | |
2645 | j++; | |
2646 | s->do_telnetopt = 1; | |
2647 | } else { | |
2648 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2649 | /* Handle IAC break commands by sending a serial break */ | |
a425d23f | 2650 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
2651 | s->do_telnetopt++; |
2652 | } | |
2653 | s->do_telnetopt++; | |
2654 | } | |
2655 | if (s->do_telnetopt >= 4) { | |
2656 | s->do_telnetopt = 1; | |
2657 | } | |
2658 | } else { | |
2659 | if ((unsigned char)buf[i] == IAC) { | |
2660 | s->do_telnetopt = 2; | |
2661 | } else { | |
2662 | if (j != i) | |
2663 | buf[j] = buf[i]; | |
2664 | j++; | |
2665 | } | |
2666 | } | |
2667 | } | |
2668 | *size = j; | |
2669 | } | |
2670 | ||
c76bf6bb | 2671 | static int tcp_get_msgfds(CharDriverState *chr, int *fds, int num) |
7d174059 MM |
2672 | { |
2673 | TCPCharDriver *s = chr->opaque; | |
c76bf6bb NN |
2674 | int to_copy = (s->read_msgfds_num < num) ? s->read_msgfds_num : num; |
2675 | ||
c4095726 MT |
2676 | assert(num <= TCP_MAX_FDS); |
2677 | ||
c76bf6bb | 2678 | if (to_copy) { |
d2fc39b4 SH |
2679 | int i; |
2680 | ||
c76bf6bb NN |
2681 | memcpy(fds, s->read_msgfds, to_copy * sizeof(int)); |
2682 | ||
d2fc39b4 SH |
2683 | /* Close unused fds */ |
2684 | for (i = to_copy; i < s->read_msgfds_num; i++) { | |
2685 | close(s->read_msgfds[i]); | |
2686 | } | |
2687 | ||
c76bf6bb NN |
2688 | g_free(s->read_msgfds); |
2689 | s->read_msgfds = 0; | |
2690 | s->read_msgfds_num = 0; | |
2691 | } | |
2692 | ||
2693 | return to_copy; | |
7d174059 MM |
2694 | } |
2695 | ||
d39aac7a NN |
2696 | static int tcp_set_msgfds(CharDriverState *chr, int *fds, int num) |
2697 | { | |
2698 | TCPCharDriver *s = chr->opaque; | |
2699 | ||
9894dc0c DB |
2700 | if (!qio_channel_has_feature(s->ioc, |
2701 | QIO_CHANNEL_FEATURE_FD_PASS)) { | |
2702 | return -1; | |
2703 | } | |
d39aac7a | 2704 | /* clear old pending fd array */ |
ef1e1e07 | 2705 | g_free(s->write_msgfds); |
d39aac7a NN |
2706 | |
2707 | if (num) { | |
2d528d45 | 2708 | s->write_msgfds = g_new(int, num); |
d39aac7a NN |
2709 | memcpy(s->write_msgfds, fds, num * sizeof(int)); |
2710 | } | |
2711 | ||
2712 | s->write_msgfds_num = num; | |
2713 | ||
2714 | return 0; | |
2715 | } | |
2716 | ||
9894dc0c | 2717 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
7d174059 MM |
2718 | { |
2719 | TCPCharDriver *s = chr->opaque; | |
9894dc0c DB |
2720 | struct iovec iov = { .iov_base = buf, .iov_len = len }; |
2721 | int ret; | |
2722 | size_t i; | |
2723 | int *msgfds = NULL; | |
2724 | size_t msgfds_num = 0; | |
2725 | ||
2726 | if (qio_channel_has_feature(s->ioc, QIO_CHANNEL_FEATURE_FD_PASS)) { | |
2727 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
2728 | &msgfds, &msgfds_num, | |
2729 | NULL); | |
2730 | } else { | |
2731 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
2732 | NULL, NULL, | |
2733 | NULL); | |
2734 | } | |
7d174059 | 2735 | |
9894dc0c | 2736 | if (msgfds_num) { |
c76bf6bb NN |
2737 | /* close and clean read_msgfds */ |
2738 | for (i = 0; i < s->read_msgfds_num; i++) { | |
2739 | close(s->read_msgfds[i]); | |
2740 | } | |
9b938c72 | 2741 | |
c76bf6bb NN |
2742 | if (s->read_msgfds_num) { |
2743 | g_free(s->read_msgfds); | |
2744 | } | |
2745 | ||
9894dc0c DB |
2746 | s->read_msgfds = msgfds; |
2747 | s->read_msgfds_num = msgfds_num; | |
7d174059 | 2748 | } |
7d174059 | 2749 | |
9894dc0c DB |
2750 | for (i = 0; i < s->read_msgfds_num; i++) { |
2751 | int fd = s->read_msgfds[i]; | |
2752 | if (fd < 0) { | |
2753 | continue; | |
2754 | } | |
9977c894 | 2755 | |
9894dc0c DB |
2756 | /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ |
2757 | qemu_set_block(fd); | |
7d174059 | 2758 | |
9894dc0c DB |
2759 | #ifndef MSG_CMSG_CLOEXEC |
2760 | qemu_set_cloexec(fd); | |
06138651 | 2761 | #endif |
06138651 | 2762 | } |
9977c894 | 2763 | |
7d174059 | 2764 | return ret; |
9977c894 | 2765 | } |
9977c894 | 2766 | |
d3cc5bc4 AS |
2767 | static GSource *tcp_chr_add_watch(CharDriverState *chr, GIOCondition cond) |
2768 | { | |
2769 | TCPCharDriver *s = chr->opaque; | |
9894dc0c | 2770 | return qio_channel_create_watch(s->ioc, cond); |
d3cc5bc4 AS |
2771 | } |
2772 | ||
7b0bfdf5 NN |
2773 | static void tcp_chr_disconnect(CharDriverState *chr) |
2774 | { | |
2775 | TCPCharDriver *s = chr->opaque; | |
2776 | ||
2777 | s->connected = 0; | |
9894dc0c DB |
2778 | if (s->listen_ioc) { |
2779 | s->listen_tag = qio_channel_add_watch( | |
2780 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); | |
7b0bfdf5 NN |
2781 | } |
2782 | remove_fd_in_watch(chr); | |
a8fb5427 DB |
2783 | object_unref(OBJECT(s->sioc)); |
2784 | s->sioc = NULL; | |
9894dc0c DB |
2785 | object_unref(OBJECT(s->ioc)); |
2786 | s->ioc = NULL; | |
0ff0fad2 DB |
2787 | g_free(chr->filename); |
2788 | chr->filename = SocketAddress_to_str("disconnected:", s->addr, | |
2789 | s->is_listen, s->is_telnet); | |
7b0bfdf5 | 2790 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
5dd1f02b CM |
2791 | if (s->reconnect_time) { |
2792 | qemu_chr_socket_restart_timer(chr); | |
2793 | } | |
7b0bfdf5 NN |
2794 | } |
2795 | ||
9894dc0c | 2796 | static gboolean tcp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 AL |
2797 | { |
2798 | CharDriverState *chr = opaque; | |
2799 | TCPCharDriver *s = chr->opaque; | |
9bd7854e | 2800 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2801 | int len, size; |
2802 | ||
2ea5a7af | 2803 | if (!s->connected || s->max_size <= 0) { |
cdbf6e16 | 2804 | return TRUE; |
2ea5a7af | 2805 | } |
6f97dba0 AL |
2806 | len = sizeof(buf); |
2807 | if (len > s->max_size) | |
2808 | len = s->max_size; | |
9977c894 | 2809 | size = tcp_chr_recv(chr, (void *)buf, len); |
9894dc0c | 2810 | if (size == 0 || size == -1) { |
6f97dba0 | 2811 | /* connection closed */ |
7b0bfdf5 | 2812 | tcp_chr_disconnect(chr); |
6f97dba0 AL |
2813 | } else if (size > 0) { |
2814 | if (s->do_telnetopt) | |
2815 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2816 | if (size > 0) | |
fa5efccb | 2817 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 2818 | } |
2ea5a7af AL |
2819 | |
2820 | return TRUE; | |
6f97dba0 AL |
2821 | } |
2822 | ||
7b0bfdf5 NN |
2823 | static int tcp_chr_sync_read(CharDriverState *chr, const uint8_t *buf, int len) |
2824 | { | |
2825 | TCPCharDriver *s = chr->opaque; | |
2826 | int size; | |
2827 | ||
2828 | if (!s->connected) { | |
2829 | return 0; | |
2830 | } | |
2831 | ||
2832 | size = tcp_chr_recv(chr, (void *) buf, len); | |
2833 | if (size == 0) { | |
2834 | /* connection closed */ | |
2835 | tcp_chr_disconnect(chr); | |
2836 | } | |
2837 | ||
2838 | return size; | |
2839 | } | |
2840 | ||
68c18d1c BS |
2841 | #ifndef _WIN32 |
2842 | CharDriverState *qemu_chr_open_eventfd(int eventfd) | |
2843 | { | |
d0d7708b | 2844 | CharDriverState *chr = qemu_chr_open_fd(eventfd, eventfd, NULL, NULL); |
e9d21c43 DM |
2845 | |
2846 | if (chr) { | |
2847 | chr->avail_connections = 1; | |
2848 | } | |
2849 | ||
2850 | return chr; | |
6cbf4c8c | 2851 | } |
68c18d1c | 2852 | #endif |
6cbf4c8c | 2853 | |
6f97dba0 AL |
2854 | static void tcp_chr_connect(void *opaque) |
2855 | { | |
2856 | CharDriverState *chr = opaque; | |
2857 | TCPCharDriver *s = chr->opaque; | |
16cc4ffe | 2858 | |
0ff0fad2 | 2859 | g_free(chr->filename); |
a8fb5427 DB |
2860 | chr->filename = sockaddr_to_str( |
2861 | &s->sioc->localAddr, s->sioc->localAddrLen, | |
2862 | &s->sioc->remoteAddr, s->sioc->remoteAddrLen, | |
2863 | s->is_listen, s->is_telnet); | |
6f97dba0 AL |
2864 | |
2865 | s->connected = 1; | |
9894dc0c DB |
2866 | if (s->ioc) { |
2867 | chr->fd_in_tag = io_add_watch_poll(s->ioc, | |
2868 | tcp_chr_read_poll, | |
7ba9addc | 2869 | tcp_chr_read, chr); |
bbdd2ad0 | 2870 | } |
fee204fd | 2871 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
2872 | } |
2873 | ||
ac1b84dd GH |
2874 | static void tcp_chr_update_read_handler(CharDriverState *chr) |
2875 | { | |
2876 | TCPCharDriver *s = chr->opaque; | |
2877 | ||
2878 | remove_fd_in_watch(chr); | |
9894dc0c DB |
2879 | if (s->ioc) { |
2880 | chr->fd_in_tag = io_add_watch_poll(s->ioc, | |
2881 | tcp_chr_read_poll, | |
ac1b84dd GH |
2882 | tcp_chr_read, chr); |
2883 | } | |
2884 | } | |
2885 | ||
f2001a7e DB |
2886 | typedef struct { |
2887 | CharDriverState *chr; | |
2888 | char buf[12]; | |
2889 | size_t buflen; | |
2890 | } TCPCharDriverTelnetInit; | |
2891 | ||
2892 | static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc, | |
2893 | GIOCondition cond G_GNUC_UNUSED, | |
2894 | gpointer user_data) | |
6f97dba0 | 2895 | { |
f2001a7e DB |
2896 | TCPCharDriverTelnetInit *init = user_data; |
2897 | ssize_t ret; | |
2898 | ||
2899 | ret = qio_channel_write(ioc, init->buf, init->buflen, NULL); | |
2900 | if (ret < 0) { | |
2901 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
2902 | ret = 0; | |
2903 | } else { | |
2904 | tcp_chr_disconnect(init->chr); | |
2905 | return FALSE; | |
2906 | } | |
2907 | } | |
2908 | init->buflen -= ret; | |
2909 | ||
2910 | if (init->buflen == 0) { | |
2911 | tcp_chr_connect(init->chr); | |
2912 | return FALSE; | |
2913 | } | |
2914 | ||
2915 | memmove(init->buf, init->buf + ret, init->buflen); | |
2916 | ||
2917 | return TRUE; | |
2918 | } | |
2919 | ||
2920 | static void tcp_chr_telnet_init(CharDriverState *chr) | |
2921 | { | |
2922 | TCPCharDriver *s = chr->opaque; | |
2923 | TCPCharDriverTelnetInit *init = | |
2924 | g_new0(TCPCharDriverTelnetInit, 1); | |
2925 | size_t n = 0; | |
2926 | ||
2927 | init->chr = chr; | |
2928 | init->buflen = 12; | |
2929 | ||
2930 | #define IACSET(x, a, b, c) \ | |
2931 | do { \ | |
2932 | x[n++] = a; \ | |
2933 | x[n++] = b; \ | |
2934 | x[n++] = c; \ | |
2935 | } while (0) | |
2936 | ||
2937 | /* Prep the telnet negotion to put telnet in binary, | |
2938 | * no echo, single char mode */ | |
2939 | IACSET(init->buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2940 | IACSET(init->buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2941 | IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2942 | IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2943 | ||
2944 | #undef IACSET | |
2945 | ||
2946 | qio_channel_add_watch( | |
2947 | s->ioc, G_IO_OUT, | |
2948 | tcp_chr_telnet_init_io, | |
2949 | init, NULL); | |
6f97dba0 AL |
2950 | } |
2951 | ||
a8fb5427 DB |
2952 | |
2953 | static void tcp_chr_tls_handshake(Object *source, | |
2954 | Error *err, | |
2955 | gpointer user_data) | |
2956 | { | |
2957 | CharDriverState *chr = user_data; | |
2958 | TCPCharDriver *s = chr->opaque; | |
2959 | ||
2960 | if (err) { | |
2961 | tcp_chr_disconnect(chr); | |
2962 | } else { | |
2963 | if (s->do_telnetopt) { | |
2964 | tcp_chr_telnet_init(chr); | |
2965 | } else { | |
2966 | tcp_chr_connect(chr); | |
2967 | } | |
2968 | } | |
2969 | } | |
2970 | ||
2971 | ||
2972 | static void tcp_chr_tls_init(CharDriverState *chr) | |
2973 | { | |
2974 | TCPCharDriver *s = chr->opaque; | |
2975 | QIOChannelTLS *tioc; | |
2976 | Error *err = NULL; | |
2977 | ||
2978 | if (s->is_listen) { | |
2979 | tioc = qio_channel_tls_new_server( | |
2980 | s->ioc, s->tls_creds, | |
2981 | NULL, /* XXX Use an ACL */ | |
2982 | &err); | |
2983 | } else { | |
2984 | tioc = qio_channel_tls_new_client( | |
2985 | s->ioc, s->tls_creds, | |
2986 | s->addr->u.inet->host, | |
2987 | &err); | |
2988 | } | |
2989 | if (tioc == NULL) { | |
2990 | error_free(err); | |
2991 | tcp_chr_disconnect(chr); | |
2992 | } | |
2993 | object_unref(OBJECT(s->ioc)); | |
2994 | s->ioc = QIO_CHANNEL(tioc); | |
2995 | ||
2996 | qio_channel_tls_handshake(tioc, | |
2997 | tcp_chr_tls_handshake, | |
2998 | chr, | |
2999 | NULL); | |
3000 | } | |
3001 | ||
3002 | ||
9894dc0c | 3003 | static int tcp_chr_new_client(CharDriverState *chr, QIOChannelSocket *sioc) |
13661089 DB |
3004 | { |
3005 | TCPCharDriver *s = chr->opaque; | |
9894dc0c | 3006 | if (s->ioc != NULL) { |
13661089 | 3007 | return -1; |
9894dc0c | 3008 | } |
13661089 | 3009 | |
9894dc0c DB |
3010 | s->ioc = QIO_CHANNEL(sioc); |
3011 | object_ref(OBJECT(sioc)); | |
a8fb5427 DB |
3012 | s->sioc = sioc; |
3013 | object_ref(OBJECT(sioc)); | |
9894dc0c DB |
3014 | |
3015 | if (s->do_nodelay) { | |
3016 | qio_channel_set_delay(s->ioc, false); | |
3017 | } | |
910b6368 PB |
3018 | if (s->listen_tag) { |
3019 | g_source_remove(s->listen_tag); | |
3020 | s->listen_tag = 0; | |
3021 | } | |
f2001a7e | 3022 | |
a8fb5427 DB |
3023 | if (s->tls_creds) { |
3024 | tcp_chr_tls_init(chr); | |
f2001a7e | 3025 | } else { |
a8fb5427 DB |
3026 | if (s->do_telnetopt) { |
3027 | tcp_chr_telnet_init(chr); | |
3028 | } else { | |
3029 | tcp_chr_connect(chr); | |
3030 | } | |
f2001a7e | 3031 | } |
13661089 DB |
3032 | |
3033 | return 0; | |
3034 | } | |
3035 | ||
9894dc0c DB |
3036 | |
3037 | static int tcp_chr_add_client(CharDriverState *chr, int fd) | |
3038 | { | |
3039 | int ret; | |
3040 | QIOChannelSocket *sioc; | |
3041 | ||
3042 | sioc = qio_channel_socket_new_fd(fd, NULL); | |
3043 | if (!sioc) { | |
3044 | return -1; | |
3045 | } | |
3046 | qio_channel_set_blocking(QIO_CHANNEL(sioc), false, NULL); | |
3047 | ret = tcp_chr_new_client(chr, sioc); | |
3048 | object_unref(OBJECT(sioc)); | |
3049 | return ret; | |
3050 | } | |
3051 | ||
3052 | static gboolean tcp_chr_accept(QIOChannel *channel, | |
3053 | GIOCondition cond, | |
3054 | void *opaque) | |
6f97dba0 AL |
3055 | { |
3056 | CharDriverState *chr = opaque; | |
9894dc0c | 3057 | QIOChannelSocket *sioc; |
6f97dba0 | 3058 | |
9894dc0c DB |
3059 | sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel), |
3060 | NULL); | |
3061 | if (!sioc) { | |
3062 | return TRUE; | |
6f97dba0 | 3063 | } |
9894dc0c | 3064 | |
9894dc0c DB |
3065 | tcp_chr_new_client(chr, sioc); |
3066 | ||
3067 | object_unref(OBJECT(sioc)); | |
2ea5a7af AL |
3068 | |
3069 | return TRUE; | |
6f97dba0 AL |
3070 | } |
3071 | ||
3072 | static void tcp_chr_close(CharDriverState *chr) | |
3073 | { | |
3074 | TCPCharDriver *s = chr->opaque; | |
c76bf6bb | 3075 | int i; |
cfb429cb | 3076 | |
5dd1f02b CM |
3077 | if (s->reconnect_timer) { |
3078 | g_source_remove(s->reconnect_timer); | |
3079 | s->reconnect_timer = 0; | |
3080 | } | |
cfb429cb | 3081 | qapi_free_SocketAddress(s->addr); |
9894dc0c DB |
3082 | remove_fd_in_watch(chr); |
3083 | if (s->ioc) { | |
3084 | object_unref(OBJECT(s->ioc)); | |
819f56b7 | 3085 | } |
9894dc0c DB |
3086 | if (s->listen_tag) { |
3087 | g_source_remove(s->listen_tag); | |
3088 | s->listen_tag = 0; | |
3089 | } | |
3090 | if (s->listen_ioc) { | |
3091 | object_unref(OBJECT(s->listen_ioc)); | |
819f56b7 | 3092 | } |
c76bf6bb NN |
3093 | if (s->read_msgfds_num) { |
3094 | for (i = 0; i < s->read_msgfds_num; i++) { | |
3095 | close(s->read_msgfds[i]); | |
3096 | } | |
3097 | g_free(s->read_msgfds); | |
3098 | } | |
a8fb5427 DB |
3099 | if (s->tls_creds) { |
3100 | object_unref(OBJECT(s->tls_creds)); | |
3101 | } | |
d39aac7a NN |
3102 | if (s->write_msgfds_num) { |
3103 | g_free(s->write_msgfds); | |
3104 | } | |
7267c094 | 3105 | g_free(s); |
a425d23f | 3106 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
3107 | } |
3108 | ||
9894dc0c DB |
3109 | static void qemu_chr_finish_socket_connection(CharDriverState *chr, |
3110 | QIOChannelSocket *sioc) | |
6f97dba0 | 3111 | { |
43ded1a0 | 3112 | TCPCharDriver *s = chr->opaque; |
f6bd5d6e | 3113 | |
cfb429cb | 3114 | if (s->is_listen) { |
9894dc0c DB |
3115 | s->listen_ioc = sioc; |
3116 | s->listen_tag = qio_channel_add_watch( | |
3117 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); | |
f6bd5d6e | 3118 | } else { |
9894dc0c DB |
3119 | tcp_chr_new_client(chr, sioc); |
3120 | object_unref(OBJECT(sioc)); | |
f6bd5d6e | 3121 | } |
43ded1a0 CM |
3122 | } |
3123 | ||
9894dc0c | 3124 | static void qemu_chr_socket_connected(Object *src, Error *err, void *opaque) |
5dd1f02b | 3125 | { |
9894dc0c | 3126 | QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(src); |
5dd1f02b | 3127 | CharDriverState *chr = opaque; |
5008e5b7 | 3128 | TCPCharDriver *s = chr->opaque; |
5dd1f02b | 3129 | |
9894dc0c | 3130 | if (err) { |
5008e5b7 | 3131 | check_report_connect_error(chr, err); |
9894dc0c | 3132 | object_unref(src); |
5dd1f02b CM |
3133 | return; |
3134 | } | |
3135 | ||
5008e5b7 | 3136 | s->connect_err_reported = false; |
9894dc0c | 3137 | qemu_chr_finish_socket_connection(chr, sioc); |
5dd1f02b CM |
3138 | } |
3139 | ||
cfb429cb | 3140 | static bool qemu_chr_open_socket_fd(CharDriverState *chr, Error **errp) |
43ded1a0 | 3141 | { |
cfb429cb | 3142 | TCPCharDriver *s = chr->opaque; |
9894dc0c | 3143 | QIOChannelSocket *sioc = qio_channel_socket_new(); |
43ded1a0 | 3144 | |
cfb429cb | 3145 | if (s->is_listen) { |
9894dc0c DB |
3146 | if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) { |
3147 | goto fail; | |
3148 | } | |
3149 | qemu_chr_finish_socket_connection(chr, sioc); | |
5dd1f02b | 3150 | } else if (s->reconnect_time) { |
9894dc0c DB |
3151 | qio_channel_socket_connect_async(sioc, s->addr, |
3152 | qemu_chr_socket_connected, | |
3153 | chr, NULL); | |
5dd1f02b | 3154 | } else { |
9894dc0c DB |
3155 | if (qio_channel_socket_connect_sync(sioc, s->addr, errp) < 0) { |
3156 | goto fail; | |
3157 | } | |
3158 | qemu_chr_finish_socket_connection(chr, sioc); | |
43ded1a0 CM |
3159 | } |
3160 | ||
16cc4ffe | 3161 | return true; |
9894dc0c DB |
3162 | |
3163 | fail: | |
3164 | object_unref(OBJECT(sioc)); | |
3165 | return false; | |
f6bd5d6e GH |
3166 | } |
3167 | ||
51767e7c | 3168 | /*********************************************************/ |
3949e594 | 3169 | /* Ring buffer chardev */ |
51767e7c LL |
3170 | |
3171 | typedef struct { | |
3172 | size_t size; | |
3173 | size_t prod; | |
3174 | size_t cons; | |
3175 | uint8_t *cbuf; | |
3949e594 | 3176 | } RingBufCharDriver; |
51767e7c | 3177 | |
3949e594 | 3178 | static size_t ringbuf_count(const CharDriverState *chr) |
51767e7c | 3179 | { |
3949e594 | 3180 | const RingBufCharDriver *d = chr->opaque; |
51767e7c | 3181 | |
5c230105 | 3182 | return d->prod - d->cons; |
51767e7c LL |
3183 | } |
3184 | ||
9005b2a7 | 3185 | /* Called with chr_write_lock held. */ |
3949e594 | 3186 | static int ringbuf_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
51767e7c | 3187 | { |
3949e594 | 3188 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
3189 | int i; |
3190 | ||
3191 | if (!buf || (len < 0)) { | |
3192 | return -1; | |
3193 | } | |
3194 | ||
3195 | for (i = 0; i < len; i++ ) { | |
5c230105 MA |
3196 | d->cbuf[d->prod++ & (d->size - 1)] = buf[i]; |
3197 | if (d->prod - d->cons > d->size) { | |
51767e7c LL |
3198 | d->cons = d->prod - d->size; |
3199 | } | |
3200 | } | |
3201 | ||
3202 | return 0; | |
3203 | } | |
3204 | ||
3949e594 | 3205 | static int ringbuf_chr_read(CharDriverState *chr, uint8_t *buf, int len) |
51767e7c | 3206 | { |
3949e594 | 3207 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
3208 | int i; |
3209 | ||
9005b2a7 | 3210 | qemu_mutex_lock(&chr->chr_write_lock); |
5c230105 MA |
3211 | for (i = 0; i < len && d->cons != d->prod; i++) { |
3212 | buf[i] = d->cbuf[d->cons++ & (d->size - 1)]; | |
51767e7c | 3213 | } |
9005b2a7 | 3214 | qemu_mutex_unlock(&chr->chr_write_lock); |
51767e7c LL |
3215 | |
3216 | return i; | |
3217 | } | |
3218 | ||
3949e594 | 3219 | static void ringbuf_chr_close(struct CharDriverState *chr) |
51767e7c | 3220 | { |
3949e594 | 3221 | RingBufCharDriver *d = chr->opaque; |
51767e7c LL |
3222 | |
3223 | g_free(d->cbuf); | |
3224 | g_free(d); | |
3225 | chr->opaque = NULL; | |
3226 | } | |
3227 | ||
479f09a1 PB |
3228 | static CharDriverState *qemu_chr_open_ringbuf(const char *id, |
3229 | ChardevBackend *backend, | |
3230 | ChardevReturn *ret, | |
4f57378f | 3231 | Error **errp) |
51767e7c | 3232 | { |
130257dc | 3233 | ChardevRingbuf *opts = backend->u.ringbuf; |
d0d7708b | 3234 | ChardevCommon *common = qapi_ChardevRingbuf_base(backend->u.ringbuf); |
51767e7c | 3235 | CharDriverState *chr; |
3949e594 | 3236 | RingBufCharDriver *d; |
51767e7c | 3237 | |
d0d7708b DB |
3238 | chr = qemu_chr_alloc(common, errp); |
3239 | if (!chr) { | |
3240 | return NULL; | |
3241 | } | |
51767e7c LL |
3242 | d = g_malloc(sizeof(*d)); |
3243 | ||
1da48c65 | 3244 | d->size = opts->has_size ? opts->size : 65536; |
51767e7c LL |
3245 | |
3246 | /* The size must be power of 2 */ | |
3247 | if (d->size & (d->size - 1)) { | |
4f57378f | 3248 | error_setg(errp, "size of ringbuf chardev must be power of two"); |
51767e7c LL |
3249 | goto fail; |
3250 | } | |
3251 | ||
3252 | d->prod = 0; | |
3253 | d->cons = 0; | |
3254 | d->cbuf = g_malloc0(d->size); | |
3255 | ||
3256 | chr->opaque = d; | |
3949e594 MA |
3257 | chr->chr_write = ringbuf_chr_write; |
3258 | chr->chr_close = ringbuf_chr_close; | |
51767e7c LL |
3259 | |
3260 | return chr; | |
3261 | ||
3262 | fail: | |
3263 | g_free(d); | |
d0d7708b | 3264 | qemu_chr_free_common(chr); |
51767e7c LL |
3265 | return NULL; |
3266 | } | |
3267 | ||
8e597779 | 3268 | bool chr_is_ringbuf(const CharDriverState *chr) |
1f590cf9 | 3269 | { |
3949e594 | 3270 | return chr->chr_write == ringbuf_chr_write; |
1f590cf9 LL |
3271 | } |
3272 | ||
3949e594 | 3273 | void qmp_ringbuf_write(const char *device, const char *data, |
82e59a67 | 3274 | bool has_format, enum DataFormat format, |
1f590cf9 LL |
3275 | Error **errp) |
3276 | { | |
3277 | CharDriverState *chr; | |
c4f331b6 | 3278 | const uint8_t *write_data; |
1f590cf9 | 3279 | int ret; |
3d1bba20 | 3280 | gsize write_count; |
1f590cf9 LL |
3281 | |
3282 | chr = qemu_chr_find(device); | |
3283 | if (!chr) { | |
1a69278e | 3284 | error_setg(errp, "Device '%s' not found", device); |
1f590cf9 LL |
3285 | return; |
3286 | } | |
3287 | ||
3949e594 MA |
3288 | if (!chr_is_ringbuf(chr)) { |
3289 | error_setg(errp,"%s is not a ringbuf device", device); | |
1f590cf9 LL |
3290 | return; |
3291 | } | |
3292 | ||
1f590cf9 | 3293 | if (has_format && (format == DATA_FORMAT_BASE64)) { |
e9cf2fe0 DB |
3294 | write_data = qbase64_decode(data, -1, |
3295 | &write_count, | |
3296 | errp); | |
3297 | if (!write_data) { | |
3298 | return; | |
3299 | } | |
1f590cf9 LL |
3300 | } else { |
3301 | write_data = (uint8_t *)data; | |
82e59a67 | 3302 | write_count = strlen(data); |
1f590cf9 LL |
3303 | } |
3304 | ||
3949e594 | 3305 | ret = ringbuf_chr_write(chr, write_data, write_count); |
1f590cf9 | 3306 | |
13289fb5 MA |
3307 | if (write_data != (uint8_t *)data) { |
3308 | g_free((void *)write_data); | |
3309 | } | |
3310 | ||
1f590cf9 LL |
3311 | if (ret < 0) { |
3312 | error_setg(errp, "Failed to write to device %s", device); | |
3313 | return; | |
3314 | } | |
3315 | } | |
3316 | ||
3949e594 | 3317 | char *qmp_ringbuf_read(const char *device, int64_t size, |
3ab651fc MA |
3318 | bool has_format, enum DataFormat format, |
3319 | Error **errp) | |
49b6d722 LL |
3320 | { |
3321 | CharDriverState *chr; | |
c4f331b6 | 3322 | uint8_t *read_data; |
49b6d722 | 3323 | size_t count; |
3ab651fc | 3324 | char *data; |
49b6d722 LL |
3325 | |
3326 | chr = qemu_chr_find(device); | |
3327 | if (!chr) { | |
1a69278e | 3328 | error_setg(errp, "Device '%s' not found", device); |
49b6d722 LL |
3329 | return NULL; |
3330 | } | |
3331 | ||
3949e594 MA |
3332 | if (!chr_is_ringbuf(chr)) { |
3333 | error_setg(errp,"%s is not a ringbuf device", device); | |
49b6d722 LL |
3334 | return NULL; |
3335 | } | |
3336 | ||
3337 | if (size <= 0) { | |
3338 | error_setg(errp, "size must be greater than zero"); | |
3339 | return NULL; | |
3340 | } | |
3341 | ||
3949e594 | 3342 | count = ringbuf_count(chr); |
49b6d722 | 3343 | size = size > count ? count : size; |
44f3bcd2 | 3344 | read_data = g_malloc(size + 1); |
49b6d722 | 3345 | |
3949e594 | 3346 | ringbuf_chr_read(chr, read_data, size); |
49b6d722 LL |
3347 | |
3348 | if (has_format && (format == DATA_FORMAT_BASE64)) { | |
3ab651fc | 3349 | data = g_base64_encode(read_data, size); |
13289fb5 | 3350 | g_free(read_data); |
49b6d722 | 3351 | } else { |
3949e594 MA |
3352 | /* |
3353 | * FIXME should read only complete, valid UTF-8 characters up | |
3354 | * to @size bytes. Invalid sequences should be replaced by a | |
3355 | * suitable replacement character. Except when (and only | |
3356 | * when) ring buffer lost characters since last read, initial | |
3357 | * continuation characters should be dropped. | |
3358 | */ | |
44f3bcd2 | 3359 | read_data[size] = 0; |
3ab651fc | 3360 | data = (char *)read_data; |
49b6d722 LL |
3361 | } |
3362 | ||
3ab651fc | 3363 | return data; |
49b6d722 LL |
3364 | } |
3365 | ||
33521634 | 3366 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 3367 | { |
6ea314d9 | 3368 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 3369 | int pos; |
7d31544f | 3370 | const char *p; |
191bc01b | 3371 | QemuOpts *opts; |
8be7e7e4 | 3372 | Error *local_err = NULL; |
191bc01b | 3373 | |
8be7e7e4 | 3374 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1, &local_err); |
84d18f06 | 3375 | if (local_err) { |
33394884 | 3376 | error_report_err(local_err); |
191bc01b | 3377 | return NULL; |
8be7e7e4 | 3378 | } |
191bc01b | 3379 | |
7591c5c1 GH |
3380 | if (strstart(filename, "mon:", &p)) { |
3381 | filename = p; | |
f43e47db | 3382 | qemu_opt_set(opts, "mux", "on", &error_abort); |
02c4bdf1 PB |
3383 | if (strcmp(filename, "stdio") == 0) { |
3384 | /* Monitor is muxed to stdio: do not exit on Ctrl+C by default | |
3385 | * but pass it to the guest. Handle this only for compat syntax, | |
3386 | * for -chardev syntax we have special option for this. | |
3387 | * This is what -nographic did, redirecting+muxing serial+monitor | |
3388 | * to stdio causing Ctrl+C to be passed to guest. */ | |
f43e47db | 3389 | qemu_opt_set(opts, "signal", "off", &error_abort); |
02c4bdf1 | 3390 | } |
7591c5c1 GH |
3391 | } |
3392 | ||
f0457e8d GH |
3393 | if (strcmp(filename, "null") == 0 || |
3394 | strcmp(filename, "pty") == 0 || | |
3395 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 3396 | strcmp(filename, "braille") == 0 || |
5692399f | 3397 | strcmp(filename, "testdev") == 0 || |
f0457e8d | 3398 | strcmp(filename, "stdio") == 0) { |
f43e47db | 3399 | qemu_opt_set(opts, "backend", filename, &error_abort); |
191bc01b GH |
3400 | return opts; |
3401 | } | |
6ea314d9 | 3402 | if (strstart(filename, "vc", &p)) { |
f43e47db | 3403 | qemu_opt_set(opts, "backend", "vc", &error_abort); |
6ea314d9 | 3404 | if (*p == ':') { |
49aa4058 | 3405 | if (sscanf(p+1, "%7[0-9]x%7[0-9]", width, height) == 2) { |
6ea314d9 | 3406 | /* pixels */ |
f43e47db MA |
3407 | qemu_opt_set(opts, "width", width, &error_abort); |
3408 | qemu_opt_set(opts, "height", height, &error_abort); | |
49aa4058 | 3409 | } else if (sscanf(p+1, "%7[0-9]Cx%7[0-9]C", width, height) == 2) { |
6ea314d9 | 3410 | /* chars */ |
f43e47db MA |
3411 | qemu_opt_set(opts, "cols", width, &error_abort); |
3412 | qemu_opt_set(opts, "rows", height, &error_abort); | |
6ea314d9 GH |
3413 | } else { |
3414 | goto fail; | |
3415 | } | |
3416 | } | |
3417 | return opts; | |
3418 | } | |
d6c983cd | 3419 | if (strcmp(filename, "con:") == 0) { |
f43e47db | 3420 | qemu_opt_set(opts, "backend", "console", &error_abort); |
d6c983cd GH |
3421 | return opts; |
3422 | } | |
48b76496 | 3423 | if (strstart(filename, "COM", NULL)) { |
f43e47db MA |
3424 | qemu_opt_set(opts, "backend", "serial", &error_abort); |
3425 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3426 | return opts; |
3427 | } | |
7d31544f | 3428 | if (strstart(filename, "file:", &p)) { |
f43e47db MA |
3429 | qemu_opt_set(opts, "backend", "file", &error_abort); |
3430 | qemu_opt_set(opts, "path", p, &error_abort); | |
7d31544f GH |
3431 | return opts; |
3432 | } | |
3433 | if (strstart(filename, "pipe:", &p)) { | |
f43e47db MA |
3434 | qemu_opt_set(opts, "backend", "pipe", &error_abort); |
3435 | qemu_opt_set(opts, "path", p, &error_abort); | |
7d31544f GH |
3436 | return opts; |
3437 | } | |
aeb2c47a GH |
3438 | if (strstart(filename, "tcp:", &p) || |
3439 | strstart(filename, "telnet:", &p)) { | |
3440 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3441 | host[0] = 0; | |
3442 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
3443 | goto fail; | |
3444 | } | |
f43e47db MA |
3445 | qemu_opt_set(opts, "backend", "socket", &error_abort); |
3446 | qemu_opt_set(opts, "host", host, &error_abort); | |
3447 | qemu_opt_set(opts, "port", port, &error_abort); | |
aeb2c47a | 3448 | if (p[pos] == ',') { |
dc523cd3 MA |
3449 | qemu_opts_do_parse(opts, p+pos+1, NULL, &local_err); |
3450 | if (local_err) { | |
3451 | error_report_err(local_err); | |
aeb2c47a | 3452 | goto fail; |
dc523cd3 | 3453 | } |
aeb2c47a GH |
3454 | } |
3455 | if (strstart(filename, "telnet:", &p)) | |
f43e47db | 3456 | qemu_opt_set(opts, "telnet", "on", &error_abort); |
aeb2c47a GH |
3457 | return opts; |
3458 | } | |
7e1b35b4 | 3459 | if (strstart(filename, "udp:", &p)) { |
f43e47db | 3460 | qemu_opt_set(opts, "backend", "udp", &error_abort); |
7e1b35b4 GH |
3461 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
3462 | host[0] = 0; | |
39324ca4 | 3463 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
3464 | goto fail; |
3465 | } | |
3466 | } | |
f43e47db MA |
3467 | qemu_opt_set(opts, "host", host, &error_abort); |
3468 | qemu_opt_set(opts, "port", port, &error_abort); | |
7e1b35b4 GH |
3469 | if (p[pos] == '@') { |
3470 | p += pos + 1; | |
3471 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3472 | host[0] = 0; | |
3473 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
3474 | goto fail; |
3475 | } | |
3476 | } | |
f43e47db MA |
3477 | qemu_opt_set(opts, "localaddr", host, &error_abort); |
3478 | qemu_opt_set(opts, "localport", port, &error_abort); | |
7e1b35b4 GH |
3479 | } |
3480 | return opts; | |
3481 | } | |
aeb2c47a | 3482 | if (strstart(filename, "unix:", &p)) { |
f43e47db | 3483 | qemu_opt_set(opts, "backend", "socket", &error_abort); |
dc523cd3 MA |
3484 | qemu_opts_do_parse(opts, p, "path", &local_err); |
3485 | if (local_err) { | |
3486 | error_report_err(local_err); | |
aeb2c47a | 3487 | goto fail; |
dc523cd3 | 3488 | } |
aeb2c47a GH |
3489 | return opts; |
3490 | } | |
48b76496 GH |
3491 | if (strstart(filename, "/dev/parport", NULL) || |
3492 | strstart(filename, "/dev/ppi", NULL)) { | |
f43e47db MA |
3493 | qemu_opt_set(opts, "backend", "parport", &error_abort); |
3494 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3495 | return opts; |
3496 | } | |
3497 | if (strstart(filename, "/dev/", NULL)) { | |
f43e47db MA |
3498 | qemu_opt_set(opts, "backend", "tty", &error_abort); |
3499 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3500 | return opts; |
3501 | } | |
191bc01b | 3502 | |
aeb2c47a | 3503 | fail: |
191bc01b GH |
3504 | qemu_opts_del(opts); |
3505 | return NULL; | |
3506 | } | |
3507 | ||
d0d7708b DB |
3508 | static void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend) |
3509 | { | |
3510 | const char *logfile = qemu_opt_get(opts, "logfile"); | |
3511 | ||
3512 | backend->has_logfile = logfile != NULL; | |
3513 | backend->logfile = logfile ? g_strdup(logfile) : NULL; | |
3514 | ||
3515 | backend->has_logappend = true; | |
3516 | backend->logappend = qemu_opt_get_bool(opts, "logappend", false); | |
3517 | } | |
3518 | ||
3519 | ||
846e2e49 GH |
3520 | static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend, |
3521 | Error **errp) | |
3522 | { | |
3523 | const char *path = qemu_opt_get(opts, "path"); | |
3524 | ||
3525 | if (path == NULL) { | |
3526 | error_setg(errp, "chardev: file: no filename given"); | |
3527 | return; | |
3528 | } | |
130257dc | 3529 | backend->u.file = g_new0(ChardevFile, 1); |
d0d7708b | 3530 | qemu_chr_parse_common(opts, qapi_ChardevFile_base(backend->u.file)); |
130257dc | 3531 | backend->u.file->out = g_strdup(path); |
31e38a22 OK |
3532 | |
3533 | backend->u.file->has_append = true; | |
3534 | backend->u.file->append = qemu_opt_get_bool(opts, "append", false); | |
846e2e49 GH |
3535 | } |
3536 | ||
7c358031 GH |
3537 | static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend, |
3538 | Error **errp) | |
3539 | { | |
130257dc | 3540 | backend->u.stdio = g_new0(ChardevStdio, 1); |
d0d7708b | 3541 | qemu_chr_parse_common(opts, qapi_ChardevStdio_base(backend->u.stdio)); |
130257dc EB |
3542 | backend->u.stdio->has_signal = true; |
3543 | backend->u.stdio->signal = qemu_opt_get_bool(opts, "signal", true); | |
7c358031 GH |
3544 | } |
3545 | ||
6511d396 | 3546 | #ifdef HAVE_CHARDEV_SERIAL |
0f1cb51d GH |
3547 | static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend, |
3548 | Error **errp) | |
3549 | { | |
3550 | const char *device = qemu_opt_get(opts, "path"); | |
3551 | ||
3552 | if (device == NULL) { | |
3553 | error_setg(errp, "chardev: serial/tty: no device path given"); | |
3554 | return; | |
3555 | } | |
130257dc | 3556 | backend->u.serial = g_new0(ChardevHostdev, 1); |
d0d7708b | 3557 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(backend->u.serial)); |
130257dc | 3558 | backend->u.serial->device = g_strdup(device); |
0f1cb51d | 3559 | } |
6511d396 | 3560 | #endif |
0f1cb51d | 3561 | |
38bfb1a6 | 3562 | #ifdef HAVE_CHARDEV_PARPORT |
dc375097 GH |
3563 | static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend, |
3564 | Error **errp) | |
3565 | { | |
3566 | const char *device = qemu_opt_get(opts, "path"); | |
3567 | ||
3568 | if (device == NULL) { | |
3569 | error_setg(errp, "chardev: parallel: no device path given"); | |
3570 | return; | |
3571 | } | |
130257dc | 3572 | backend->u.parallel = g_new0(ChardevHostdev, 1); |
d0d7708b | 3573 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(backend->u.parallel)); |
130257dc | 3574 | backend->u.parallel->device = g_strdup(device); |
dc375097 | 3575 | } |
38bfb1a6 | 3576 | #endif |
dc375097 | 3577 | |
548cbb36 GH |
3578 | static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend, |
3579 | Error **errp) | |
3580 | { | |
3581 | const char *device = qemu_opt_get(opts, "path"); | |
3582 | ||
3583 | if (device == NULL) { | |
3584 | error_setg(errp, "chardev: pipe: no device path given"); | |
3585 | return; | |
3586 | } | |
130257dc | 3587 | backend->u.pipe = g_new0(ChardevHostdev, 1); |
d0d7708b | 3588 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(backend->u.pipe)); |
130257dc | 3589 | backend->u.pipe->device = g_strdup(device); |
548cbb36 GH |
3590 | } |
3591 | ||
4f57378f MA |
3592 | static void qemu_chr_parse_ringbuf(QemuOpts *opts, ChardevBackend *backend, |
3593 | Error **errp) | |
1da48c65 GH |
3594 | { |
3595 | int val; | |
3596 | ||
130257dc | 3597 | backend->u.ringbuf = g_new0(ChardevRingbuf, 1); |
d0d7708b | 3598 | qemu_chr_parse_common(opts, qapi_ChardevRingbuf_base(backend->u.ringbuf)); |
1da48c65 | 3599 | |
0f953051 | 3600 | val = qemu_opt_get_size(opts, "size", 0); |
1da48c65 | 3601 | if (val != 0) { |
130257dc EB |
3602 | backend->u.ringbuf->has_size = true; |
3603 | backend->u.ringbuf->size = val; | |
1da48c65 GH |
3604 | } |
3605 | } | |
3606 | ||
bb6fb7c0 GH |
3607 | static void qemu_chr_parse_mux(QemuOpts *opts, ChardevBackend *backend, |
3608 | Error **errp) | |
3609 | { | |
3610 | const char *chardev = qemu_opt_get(opts, "chardev"); | |
3611 | ||
3612 | if (chardev == NULL) { | |
3613 | error_setg(errp, "chardev: mux: no chardev given"); | |
3614 | return; | |
3615 | } | |
130257dc | 3616 | backend->u.mux = g_new0(ChardevMux, 1); |
d0d7708b | 3617 | qemu_chr_parse_common(opts, qapi_ChardevMux_base(backend->u.mux)); |
130257dc | 3618 | backend->u.mux->chardev = g_strdup(chardev); |
bb6fb7c0 GH |
3619 | } |
3620 | ||
dafd325d PM |
3621 | static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend, |
3622 | Error **errp) | |
3623 | { | |
3624 | bool is_listen = qemu_opt_get_bool(opts, "server", false); | |
3625 | bool is_waitconnect = is_listen && qemu_opt_get_bool(opts, "wait", true); | |
3626 | bool is_telnet = qemu_opt_get_bool(opts, "telnet", false); | |
3627 | bool do_nodelay = !qemu_opt_get_bool(opts, "delay", true); | |
5dd1f02b | 3628 | int64_t reconnect = qemu_opt_get_number(opts, "reconnect", 0); |
dafd325d PM |
3629 | const char *path = qemu_opt_get(opts, "path"); |
3630 | const char *host = qemu_opt_get(opts, "host"); | |
3631 | const char *port = qemu_opt_get(opts, "port"); | |
a8fb5427 | 3632 | const char *tls_creds = qemu_opt_get(opts, "tls-creds"); |
dafd325d PM |
3633 | SocketAddress *addr; |
3634 | ||
3635 | if (!path) { | |
3636 | if (!host) { | |
3637 | error_setg(errp, "chardev: socket: no host given"); | |
3638 | return; | |
3639 | } | |
3640 | if (!port) { | |
3641 | error_setg(errp, "chardev: socket: no port given"); | |
3642 | return; | |
3643 | } | |
a8fb5427 DB |
3644 | } else { |
3645 | if (tls_creds) { | |
3646 | error_setg(errp, "TLS can only be used over TCP socket"); | |
3647 | return; | |
3648 | } | |
dafd325d PM |
3649 | } |
3650 | ||
130257dc | 3651 | backend->u.socket = g_new0(ChardevSocket, 1); |
d0d7708b | 3652 | qemu_chr_parse_common(opts, qapi_ChardevSocket_base(backend->u.socket)); |
dafd325d | 3653 | |
130257dc EB |
3654 | backend->u.socket->has_nodelay = true; |
3655 | backend->u.socket->nodelay = do_nodelay; | |
3656 | backend->u.socket->has_server = true; | |
3657 | backend->u.socket->server = is_listen; | |
3658 | backend->u.socket->has_telnet = true; | |
3659 | backend->u.socket->telnet = is_telnet; | |
3660 | backend->u.socket->has_wait = true; | |
3661 | backend->u.socket->wait = is_waitconnect; | |
3662 | backend->u.socket->has_reconnect = true; | |
3663 | backend->u.socket->reconnect = reconnect; | |
a8fb5427 | 3664 | backend->u.socket->tls_creds = g_strdup(tls_creds); |
dafd325d PM |
3665 | |
3666 | addr = g_new0(SocketAddress, 1); | |
3667 | if (path) { | |
130257dc EB |
3668 | addr->type = SOCKET_ADDRESS_KIND_UNIX; |
3669 | addr->u.q_unix = g_new0(UnixSocketAddress, 1); | |
3670 | addr->u.q_unix->path = g_strdup(path); | |
dafd325d | 3671 | } else { |
130257dc EB |
3672 | addr->type = SOCKET_ADDRESS_KIND_INET; |
3673 | addr->u.inet = g_new0(InetSocketAddress, 1); | |
3674 | addr->u.inet->host = g_strdup(host); | |
3675 | addr->u.inet->port = g_strdup(port); | |
3676 | addr->u.inet->has_to = qemu_opt_get(opts, "to"); | |
3677 | addr->u.inet->to = qemu_opt_get_number(opts, "to", 0); | |
3678 | addr->u.inet->has_ipv4 = qemu_opt_get(opts, "ipv4"); | |
3679 | addr->u.inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0); | |
3680 | addr->u.inet->has_ipv6 = qemu_opt_get(opts, "ipv6"); | |
3681 | addr->u.inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0); | |
dafd325d | 3682 | } |
130257dc | 3683 | backend->u.socket->addr = addr; |
dafd325d PM |
3684 | } |
3685 | ||
90a14bfe PM |
3686 | static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend, |
3687 | Error **errp) | |
3688 | { | |
3689 | const char *host = qemu_opt_get(opts, "host"); | |
3690 | const char *port = qemu_opt_get(opts, "port"); | |
3691 | const char *localaddr = qemu_opt_get(opts, "localaddr"); | |
3692 | const char *localport = qemu_opt_get(opts, "localport"); | |
3693 | bool has_local = false; | |
3694 | SocketAddress *addr; | |
3695 | ||
3696 | if (host == NULL || strlen(host) == 0) { | |
3697 | host = "localhost"; | |
3698 | } | |
3699 | if (port == NULL || strlen(port) == 0) { | |
3700 | error_setg(errp, "chardev: udp: remote port not specified"); | |
3701 | return; | |
3702 | } | |
3703 | if (localport == NULL || strlen(localport) == 0) { | |
3704 | localport = "0"; | |
3705 | } else { | |
3706 | has_local = true; | |
3707 | } | |
3708 | if (localaddr == NULL || strlen(localaddr) == 0) { | |
3709 | localaddr = ""; | |
3710 | } else { | |
3711 | has_local = true; | |
3712 | } | |
3713 | ||
130257dc | 3714 | backend->u.udp = g_new0(ChardevUdp, 1); |
d0d7708b | 3715 | qemu_chr_parse_common(opts, qapi_ChardevUdp_base(backend->u.udp)); |
90a14bfe PM |
3716 | |
3717 | addr = g_new0(SocketAddress, 1); | |
130257dc EB |
3718 | addr->type = SOCKET_ADDRESS_KIND_INET; |
3719 | addr->u.inet = g_new0(InetSocketAddress, 1); | |
3720 | addr->u.inet->host = g_strdup(host); | |
3721 | addr->u.inet->port = g_strdup(port); | |
3722 | addr->u.inet->has_ipv4 = qemu_opt_get(opts, "ipv4"); | |
3723 | addr->u.inet->ipv4 = qemu_opt_get_bool(opts, "ipv4", 0); | |
3724 | addr->u.inet->has_ipv6 = qemu_opt_get(opts, "ipv6"); | |
3725 | addr->u.inet->ipv6 = qemu_opt_get_bool(opts, "ipv6", 0); | |
3726 | backend->u.udp->remote = addr; | |
90a14bfe PM |
3727 | |
3728 | if (has_local) { | |
130257dc | 3729 | backend->u.udp->has_local = true; |
90a14bfe | 3730 | addr = g_new0(SocketAddress, 1); |
130257dc EB |
3731 | addr->type = SOCKET_ADDRESS_KIND_INET; |
3732 | addr->u.inet = g_new0(InetSocketAddress, 1); | |
3733 | addr->u.inet->host = g_strdup(localaddr); | |
3734 | addr->u.inet->port = g_strdup(localport); | |
3735 | backend->u.udp->local = addr; | |
90a14bfe PM |
3736 | } |
3737 | } | |
3738 | ||
d654f34e | 3739 | typedef struct CharDriver { |
191bc01b | 3740 | const char *name; |
99aec012 | 3741 | ChardevBackendKind kind; |
2c5f4882 | 3742 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp); |
4ca17281 PB |
3743 | CharDriverState *(*create)(const char *id, ChardevBackend *backend, |
3744 | ChardevReturn *ret, Error **errp); | |
d654f34e AL |
3745 | } CharDriver; |
3746 | ||
3747 | static GSList *backends; | |
3748 | ||
e4d50d47 | 3749 | void register_char_driver(const char *name, ChardevBackendKind kind, |
4ca17281 PB |
3750 | void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp), |
3751 | CharDriverState *(*create)(const char *id, ChardevBackend *backend, | |
3752 | ChardevReturn *ret, Error **errp)) | |
2c5f4882 GH |
3753 | { |
3754 | CharDriver *s; | |
3755 | ||
3756 | s = g_malloc0(sizeof(*s)); | |
3757 | s->name = g_strdup(name); | |
3758 | s->kind = kind; | |
3759 | s->parse = parse; | |
4ca17281 | 3760 | s->create = create; |
2c5f4882 GH |
3761 | |
3762 | backends = g_slist_append(backends, s); | |
3763 | } | |
3764 | ||
f69554b9 | 3765 | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, |
bd2d80b2 GH |
3766 | void (*init)(struct CharDriverState *s), |
3767 | Error **errp) | |
191bc01b | 3768 | { |
0aff637e | 3769 | Error *local_err = NULL; |
d654f34e | 3770 | CharDriver *cd; |
191bc01b | 3771 | CharDriverState *chr; |
d654f34e | 3772 | GSList *i; |
a61ae7f8 PM |
3773 | ChardevReturn *ret = NULL; |
3774 | ChardevBackend *backend; | |
3775 | const char *id = qemu_opts_id(opts); | |
3776 | char *bid = NULL; | |
191bc01b | 3777 | |
a61ae7f8 | 3778 | if (id == NULL) { |
312fd5f2 | 3779 | error_setg(errp, "chardev: no id specified"); |
2274ae9d | 3780 | goto err; |
191bc01b GH |
3781 | } |
3782 | ||
1bbd185f | 3783 | if (qemu_opt_get(opts, "backend") == NULL) { |
312fd5f2 | 3784 | error_setg(errp, "chardev: \"%s\" missing backend", |
bd2d80b2 | 3785 | qemu_opts_id(opts)); |
2274ae9d | 3786 | goto err; |
1bbd185f | 3787 | } |
d654f34e AL |
3788 | for (i = backends; i; i = i->next) { |
3789 | cd = i->data; | |
3790 | ||
3791 | if (strcmp(cd->name, qemu_opt_get(opts, "backend")) == 0) { | |
191bc01b | 3792 | break; |
d654f34e | 3793 | } |
191bc01b | 3794 | } |
d654f34e | 3795 | if (i == NULL) { |
312fd5f2 | 3796 | error_setg(errp, "chardev: backend \"%s\" not found", |
bd2d80b2 | 3797 | qemu_opt_get(opts, "backend")); |
e668287d | 3798 | goto err; |
191bc01b GH |
3799 | } |
3800 | ||
a61ae7f8 | 3801 | backend = g_new0(ChardevBackend, 1); |
edb2fb3c | 3802 | |
a61ae7f8 PM |
3803 | if (qemu_opt_get_bool(opts, "mux", 0)) { |
3804 | bid = g_strdup_printf("%s-base", id); | |
3805 | } | |
2c5f4882 | 3806 | |
a61ae7f8 | 3807 | chr = NULL; |
130257dc | 3808 | backend->type = cd->kind; |
a61ae7f8 PM |
3809 | if (cd->parse) { |
3810 | cd->parse(opts, backend, &local_err); | |
3811 | if (local_err) { | |
3812 | error_propagate(errp, local_err); | |
2c5f4882 GH |
3813 | goto qapi_out; |
3814 | } | |
d0d7708b DB |
3815 | } else { |
3816 | ChardevCommon *cc = g_new0(ChardevCommon, 1); | |
3817 | qemu_chr_parse_common(opts, cc); | |
3818 | backend->u.data = cc; | |
2c5f4882 | 3819 | } |
d0d7708b | 3820 | |
a61ae7f8 PM |
3821 | ret = qmp_chardev_add(bid ? bid : id, backend, errp); |
3822 | if (!ret) { | |
3823 | goto qapi_out; | |
191bc01b GH |
3824 | } |
3825 | ||
a61ae7f8 PM |
3826 | if (bid) { |
3827 | qapi_free_ChardevBackend(backend); | |
3828 | qapi_free_ChardevReturn(ret); | |
3829 | backend = g_new0(ChardevBackend, 1); | |
130257dc EB |
3830 | backend->u.mux = g_new0(ChardevMux, 1); |
3831 | backend->type = CHARDEV_BACKEND_KIND_MUX; | |
3832 | backend->u.mux->chardev = g_strdup(bid); | |
a61ae7f8 PM |
3833 | ret = qmp_chardev_add(id, backend, errp); |
3834 | if (!ret) { | |
3835 | chr = qemu_chr_find(bid); | |
3836 | qemu_chr_delete(chr); | |
3837 | chr = NULL; | |
3838 | goto qapi_out; | |
3839 | } | |
bd5c51ee | 3840 | } |
7591c5c1 | 3841 | |
a61ae7f8 | 3842 | chr = qemu_chr_find(id); |
2274ae9d | 3843 | chr->opts = opts; |
a61ae7f8 PM |
3844 | |
3845 | qapi_out: | |
3846 | qapi_free_ChardevBackend(backend); | |
3847 | qapi_free_ChardevReturn(ret); | |
3848 | g_free(bid); | |
191bc01b | 3849 | return chr; |
2274ae9d GH |
3850 | |
3851 | err: | |
3852 | qemu_opts_del(opts); | |
3853 | return NULL; | |
191bc01b GH |
3854 | } |
3855 | ||
27143a44 | 3856 | CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
3857 | { |
3858 | const char *p; | |
3859 | CharDriverState *chr; | |
191bc01b | 3860 | QemuOpts *opts; |
bd2d80b2 | 3861 | Error *err = NULL; |
191bc01b | 3862 | |
c845f401 GH |
3863 | if (strstart(filename, "chardev:", &p)) { |
3864 | return qemu_chr_find(p); | |
3865 | } | |
3866 | ||
191bc01b | 3867 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
3868 | if (!opts) |
3869 | return NULL; | |
6f97dba0 | 3870 | |
bd2d80b2 | 3871 | chr = qemu_chr_new_from_opts(opts, init, &err); |
84d18f06 | 3872 | if (err) { |
565f65d2 | 3873 | error_report_err(err); |
bd2d80b2 | 3874 | } |
7e1b35b4 | 3875 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
456d6069 | 3876 | qemu_chr_fe_claim_no_fail(chr); |
7e1b35b4 | 3877 | monitor_init(chr, MONITOR_USE_READLINE); |
6f97dba0 AL |
3878 | } |
3879 | return chr; | |
3880 | } | |
3881 | ||
15f31519 | 3882 | void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) |
c48855e1 PB |
3883 | { |
3884 | if (chr->chr_set_echo) { | |
3885 | chr->chr_set_echo(chr, echo); | |
3886 | } | |
3887 | } | |
3888 | ||
8e25daa8 | 3889 | void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open) |
7c32c4fe | 3890 | { |
8e25daa8 | 3891 | if (chr->fe_open == fe_open) { |
c0c4bd2c HG |
3892 | return; |
3893 | } | |
8e25daa8 | 3894 | chr->fe_open = fe_open; |
574b711a HG |
3895 | if (chr->chr_set_fe_open) { |
3896 | chr->chr_set_fe_open(chr, fe_open); | |
7c32c4fe HG |
3897 | } |
3898 | } | |
3899 | ||
d61b0c9a MAL |
3900 | void qemu_chr_fe_event(struct CharDriverState *chr, int event) |
3901 | { | |
3902 | if (chr->chr_fe_event) { | |
3903 | chr->chr_fe_event(chr, event); | |
3904 | } | |
3905 | } | |
3906 | ||
2c8a5942 KW |
3907 | int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond, |
3908 | GIOFunc func, void *user_data) | |
23673ca7 AL |
3909 | { |
3910 | GSource *src; | |
3911 | guint tag; | |
3912 | ||
3913 | if (s->chr_add_watch == NULL) { | |
3914 | return -ENOSYS; | |
3915 | } | |
3916 | ||
3917 | src = s->chr_add_watch(s, cond); | |
62c339c5 PB |
3918 | if (!src) { |
3919 | return -EINVAL; | |
3920 | } | |
3921 | ||
23673ca7 AL |
3922 | g_source_set_callback(src, (GSourceFunc)func, user_data, NULL); |
3923 | tag = g_source_attach(src, NULL); | |
3924 | g_source_unref(src); | |
3925 | ||
3926 | return tag; | |
3927 | } | |
3928 | ||
44c473de HG |
3929 | int qemu_chr_fe_claim(CharDriverState *s) |
3930 | { | |
3931 | if (s->avail_connections < 1) { | |
3932 | return -1; | |
3933 | } | |
3934 | s->avail_connections--; | |
3935 | return 0; | |
3936 | } | |
3937 | ||
3938 | void qemu_chr_fe_claim_no_fail(CharDriverState *s) | |
3939 | { | |
3940 | if (qemu_chr_fe_claim(s) != 0) { | |
3941 | fprintf(stderr, "%s: error chardev \"%s\" already used\n", | |
3942 | __func__, s->label); | |
3943 | exit(1); | |
3944 | } | |
3945 | } | |
3946 | ||
3947 | void qemu_chr_fe_release(CharDriverState *s) | |
3948 | { | |
3949 | s->avail_connections++; | |
3950 | } | |
3951 | ||
d0d7708b | 3952 | static void qemu_chr_free_common(CharDriverState *chr) |
6f97dba0 | 3953 | { |
7267c094 AL |
3954 | g_free(chr->filename); |
3955 | g_free(chr->label); | |
4ad60880 | 3956 | qemu_opts_del(chr->opts); |
d0d7708b DB |
3957 | if (chr->logfd != -1) { |
3958 | close(chr->logfd); | |
3959 | } | |
fefd749c | 3960 | qemu_mutex_destroy(&chr->chr_write_lock); |
7267c094 | 3961 | g_free(chr); |
6f97dba0 AL |
3962 | } |
3963 | ||
d0d7708b DB |
3964 | void qemu_chr_free(CharDriverState *chr) |
3965 | { | |
3966 | if (chr->chr_close) { | |
3967 | chr->chr_close(chr); | |
3968 | } | |
3969 | qemu_chr_free_common(chr); | |
3970 | } | |
3971 | ||
1ad78ea5 MAL |
3972 | void qemu_chr_delete(CharDriverState *chr) |
3973 | { | |
3974 | QTAILQ_REMOVE(&chardevs, chr, next); | |
3975 | qemu_chr_free(chr); | |
3976 | } | |
3977 | ||
c5a415a0 | 3978 | ChardevInfoList *qmp_query_chardev(Error **errp) |
6f97dba0 | 3979 | { |
c5a415a0 | 3980 | ChardevInfoList *chr_list = NULL; |
6f97dba0 AL |
3981 | CharDriverState *chr; |
3982 | ||
72cf2d4f | 3983 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c5a415a0 LC |
3984 | ChardevInfoList *info = g_malloc0(sizeof(*info)); |
3985 | info->value = g_malloc0(sizeof(*info->value)); | |
3986 | info->value->label = g_strdup(chr->label); | |
3987 | info->value->filename = g_strdup(chr->filename); | |
32a97ea1 | 3988 | info->value->frontend_open = chr->fe_open; |
c5a415a0 LC |
3989 | |
3990 | info->next = chr_list; | |
3991 | chr_list = info; | |
6f97dba0 | 3992 | } |
588b3832 | 3993 | |
c5a415a0 | 3994 | return chr_list; |
6f97dba0 | 3995 | } |
c845f401 | 3996 | |
77d1c3c6 MK |
3997 | ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp) |
3998 | { | |
3999 | ChardevBackendInfoList *backend_list = NULL; | |
4000 | CharDriver *c = NULL; | |
4001 | GSList *i = NULL; | |
4002 | ||
4003 | for (i = backends; i; i = i->next) { | |
4004 | ChardevBackendInfoList *info = g_malloc0(sizeof(*info)); | |
4005 | c = i->data; | |
4006 | info->value = g_malloc0(sizeof(*info->value)); | |
4007 | info->value->name = g_strdup(c->name); | |
4008 | ||
4009 | info->next = backend_list; | |
4010 | backend_list = info; | |
4011 | } | |
4012 | ||
4013 | return backend_list; | |
4014 | } | |
4015 | ||
c845f401 GH |
4016 | CharDriverState *qemu_chr_find(const char *name) |
4017 | { | |
4018 | CharDriverState *chr; | |
4019 | ||
72cf2d4f | 4020 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
4021 | if (strcmp(chr->label, name) != 0) |
4022 | continue; | |
4023 | return chr; | |
4024 | } | |
4025 | return NULL; | |
4026 | } | |
0beb4942 AL |
4027 | |
4028 | /* Get a character (serial) device interface. */ | |
4029 | CharDriverState *qemu_char_get_next_serial(void) | |
4030 | { | |
4031 | static int next_serial; | |
456d6069 | 4032 | CharDriverState *chr; |
0beb4942 AL |
4033 | |
4034 | /* FIXME: This function needs to go away: use chardev properties! */ | |
456d6069 HG |
4035 | |
4036 | while (next_serial < MAX_SERIAL_PORTS && serial_hds[next_serial]) { | |
4037 | chr = serial_hds[next_serial++]; | |
4038 | qemu_chr_fe_claim_no_fail(chr); | |
4039 | return chr; | |
4040 | } | |
4041 | return NULL; | |
0beb4942 AL |
4042 | } |
4043 | ||
4d454574 PB |
4044 | QemuOptsList qemu_chardev_opts = { |
4045 | .name = "chardev", | |
4046 | .implied_opt_name = "backend", | |
4047 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), | |
4048 | .desc = { | |
4049 | { | |
4050 | .name = "backend", | |
4051 | .type = QEMU_OPT_STRING, | |
4052 | },{ | |
4053 | .name = "path", | |
4054 | .type = QEMU_OPT_STRING, | |
4055 | },{ | |
4056 | .name = "host", | |
4057 | .type = QEMU_OPT_STRING, | |
4058 | },{ | |
4059 | .name = "port", | |
4060 | .type = QEMU_OPT_STRING, | |
4061 | },{ | |
4062 | .name = "localaddr", | |
4063 | .type = QEMU_OPT_STRING, | |
4064 | },{ | |
4065 | .name = "localport", | |
4066 | .type = QEMU_OPT_STRING, | |
4067 | },{ | |
4068 | .name = "to", | |
4069 | .type = QEMU_OPT_NUMBER, | |
4070 | },{ | |
4071 | .name = "ipv4", | |
4072 | .type = QEMU_OPT_BOOL, | |
4073 | },{ | |
4074 | .name = "ipv6", | |
4075 | .type = QEMU_OPT_BOOL, | |
4076 | },{ | |
4077 | .name = "wait", | |
4078 | .type = QEMU_OPT_BOOL, | |
4079 | },{ | |
4080 | .name = "server", | |
4081 | .type = QEMU_OPT_BOOL, | |
4082 | },{ | |
4083 | .name = "delay", | |
4084 | .type = QEMU_OPT_BOOL, | |
5dd1f02b CM |
4085 | },{ |
4086 | .name = "reconnect", | |
4087 | .type = QEMU_OPT_NUMBER, | |
4d454574 PB |
4088 | },{ |
4089 | .name = "telnet", | |
4090 | .type = QEMU_OPT_BOOL, | |
a8fb5427 DB |
4091 | },{ |
4092 | .name = "tls-creds", | |
4093 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4094 | },{ |
4095 | .name = "width", | |
4096 | .type = QEMU_OPT_NUMBER, | |
4097 | },{ | |
4098 | .name = "height", | |
4099 | .type = QEMU_OPT_NUMBER, | |
4100 | },{ | |
4101 | .name = "cols", | |
4102 | .type = QEMU_OPT_NUMBER, | |
4103 | },{ | |
4104 | .name = "rows", | |
4105 | .type = QEMU_OPT_NUMBER, | |
4106 | },{ | |
4107 | .name = "mux", | |
4108 | .type = QEMU_OPT_BOOL, | |
4109 | },{ | |
4110 | .name = "signal", | |
4111 | .type = QEMU_OPT_BOOL, | |
4112 | },{ | |
4113 | .name = "name", | |
4114 | .type = QEMU_OPT_STRING, | |
4115 | },{ | |
4116 | .name = "debug", | |
4117 | .type = QEMU_OPT_NUMBER, | |
51767e7c | 4118 | },{ |
3949e594 | 4119 | .name = "size", |
de1cc36e | 4120 | .type = QEMU_OPT_SIZE, |
bb6fb7c0 GH |
4121 | },{ |
4122 | .name = "chardev", | |
4123 | .type = QEMU_OPT_STRING, | |
31e38a22 OK |
4124 | },{ |
4125 | .name = "append", | |
4126 | .type = QEMU_OPT_BOOL, | |
d0d7708b DB |
4127 | },{ |
4128 | .name = "logfile", | |
4129 | .type = QEMU_OPT_STRING, | |
4130 | },{ | |
4131 | .name = "logappend", | |
4132 | .type = QEMU_OPT_BOOL, | |
4d454574 PB |
4133 | }, |
4134 | { /* end of list */ } | |
4135 | }, | |
4136 | }; | |
f1a1a356 | 4137 | |
ffbdbe59 GH |
4138 | #ifdef _WIN32 |
4139 | ||
fd5b036c PB |
4140 | static CharDriverState *qmp_chardev_open_file(const char *id, |
4141 | ChardevBackend *backend, | |
4142 | ChardevReturn *ret, | |
4143 | Error **errp) | |
ffbdbe59 | 4144 | { |
130257dc | 4145 | ChardevFile *file = backend->u.file; |
d0d7708b | 4146 | ChardevCommon *common = qapi_ChardevFile_base(backend->u.file); |
ffbdbe59 GH |
4147 | HANDLE out; |
4148 | ||
e859eda5 | 4149 | if (file->has_in) { |
ffbdbe59 GH |
4150 | error_setg(errp, "input file not supported"); |
4151 | return NULL; | |
4152 | } | |
4153 | ||
4154 | out = CreateFile(file->out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
4155 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
4156 | if (out == INVALID_HANDLE_VALUE) { | |
4157 | error_setg(errp, "open %s failed", file->out); | |
4158 | return NULL; | |
4159 | } | |
d0d7708b | 4160 | return qemu_chr_open_win_file(out, common, errp); |
ffbdbe59 GH |
4161 | } |
4162 | ||
6511d396 PB |
4163 | static CharDriverState *qmp_chardev_open_serial(const char *id, |
4164 | ChardevBackend *backend, | |
4165 | ChardevReturn *ret, | |
d36b2b90 | 4166 | Error **errp) |
d59044ef | 4167 | { |
130257dc | 4168 | ChardevHostdev *serial = backend->u.serial; |
d0d7708b DB |
4169 | ChardevCommon *common = qapi_ChardevHostdev_base(backend->u.serial); |
4170 | return qemu_chr_open_win_path(serial->device, common, errp); | |
d36b2b90 MA |
4171 | } |
4172 | ||
ffbdbe59 GH |
4173 | #else /* WIN32 */ |
4174 | ||
4175 | static int qmp_chardev_open_file_source(char *src, int flags, | |
4176 | Error **errp) | |
4177 | { | |
4178 | int fd = -1; | |
4179 | ||
4180 | TFR(fd = qemu_open(src, flags, 0666)); | |
4181 | if (fd == -1) { | |
20c39760 | 4182 | error_setg_file_open(errp, errno, src); |
ffbdbe59 GH |
4183 | } |
4184 | return fd; | |
4185 | } | |
4186 | ||
fd5b036c PB |
4187 | static CharDriverState *qmp_chardev_open_file(const char *id, |
4188 | ChardevBackend *backend, | |
4189 | ChardevReturn *ret, | |
4190 | Error **errp) | |
ffbdbe59 | 4191 | { |
130257dc | 4192 | ChardevFile *file = backend->u.file; |
d0d7708b | 4193 | ChardevCommon *common = qapi_ChardevFile_base(backend->u.file); |
5f758366 | 4194 | int flags, in = -1, out; |
ffbdbe59 | 4195 | |
31e38a22 OK |
4196 | flags = O_WRONLY | O_CREAT | O_BINARY; |
4197 | if (file->has_append && file->append) { | |
4198 | flags |= O_APPEND; | |
4199 | } else { | |
4200 | flags |= O_TRUNC; | |
4201 | } | |
4202 | ||
ffbdbe59 | 4203 | out = qmp_chardev_open_file_source(file->out, flags, errp); |
5f758366 | 4204 | if (out < 0) { |
ffbdbe59 GH |
4205 | return NULL; |
4206 | } | |
4207 | ||
e859eda5 | 4208 | if (file->has_in) { |
ffbdbe59 GH |
4209 | flags = O_RDONLY; |
4210 | in = qmp_chardev_open_file_source(file->in, flags, errp); | |
5f758366 | 4211 | if (in < 0) { |
ffbdbe59 GH |
4212 | qemu_close(out); |
4213 | return NULL; | |
4214 | } | |
4215 | } | |
4216 | ||
d0d7708b | 4217 | return qemu_chr_open_fd(in, out, common, errp); |
ffbdbe59 GH |
4218 | } |
4219 | ||
d809ab95 | 4220 | #ifdef HAVE_CHARDEV_SERIAL |
6511d396 PB |
4221 | static CharDriverState *qmp_chardev_open_serial(const char *id, |
4222 | ChardevBackend *backend, | |
4223 | ChardevReturn *ret, | |
d36b2b90 | 4224 | Error **errp) |
d59044ef | 4225 | { |
130257dc | 4226 | ChardevHostdev *serial = backend->u.serial; |
d0d7708b | 4227 | ChardevCommon *common = qapi_ChardevHostdev_base(backend->u.serial); |
d36b2b90 MA |
4228 | int fd; |
4229 | ||
4230 | fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp); | |
5f758366 | 4231 | if (fd < 0) { |
d36b2b90 | 4232 | return NULL; |
39099991 | 4233 | } |
f9e8cacc | 4234 | qemu_set_nonblock(fd); |
d0d7708b | 4235 | return qemu_chr_open_tty_fd(fd, common, errp); |
d36b2b90 | 4236 | } |
6511d396 | 4237 | #endif |
d36b2b90 | 4238 | |
d809ab95 | 4239 | #ifdef HAVE_CHARDEV_PARPORT |
38bfb1a6 PB |
4240 | static CharDriverState *qmp_chardev_open_parallel(const char *id, |
4241 | ChardevBackend *backend, | |
4242 | ChardevReturn *ret, | |
d36b2b90 MA |
4243 | Error **errp) |
4244 | { | |
130257dc | 4245 | ChardevHostdev *parallel = backend->u.parallel; |
d0d7708b | 4246 | ChardevCommon *common = qapi_ChardevHostdev_base(backend->u.parallel); |
d36b2b90 MA |
4247 | int fd; |
4248 | ||
4249 | fd = qmp_chardev_open_file_source(parallel->device, O_RDWR, errp); | |
5f758366 | 4250 | if (fd < 0) { |
d59044ef GH |
4251 | return NULL; |
4252 | } | |
d0d7708b | 4253 | return qemu_chr_open_pp_fd(fd, common, errp); |
d59044ef | 4254 | } |
d809ab95 | 4255 | #endif |
d59044ef | 4256 | |
ffbdbe59 GH |
4257 | #endif /* WIN32 */ |
4258 | ||
5008e5b7 CM |
4259 | static void socket_try_connect(CharDriverState *chr) |
4260 | { | |
4261 | Error *err = NULL; | |
4262 | ||
4263 | if (!qemu_chr_open_socket_fd(chr, &err)) { | |
4264 | check_report_connect_error(chr, err); | |
4265 | } | |
4266 | } | |
4267 | ||
5dd1f02b CM |
4268 | static gboolean socket_reconnect_timeout(gpointer opaque) |
4269 | { | |
4270 | CharDriverState *chr = opaque; | |
4271 | TCPCharDriver *s = chr->opaque; | |
5dd1f02b CM |
4272 | |
4273 | s->reconnect_timer = 0; | |
4274 | ||
4275 | if (chr->be_open) { | |
4276 | return false; | |
4277 | } | |
4278 | ||
5008e5b7 | 4279 | socket_try_connect(chr); |
5dd1f02b CM |
4280 | |
4281 | return false; | |
4282 | } | |
4283 | ||
dbba8d1b PB |
4284 | static CharDriverState *qmp_chardev_open_socket(const char *id, |
4285 | ChardevBackend *backend, | |
4286 | ChardevReturn *ret, | |
f6bd5d6e GH |
4287 | Error **errp) |
4288 | { | |
43ded1a0 CM |
4289 | CharDriverState *chr; |
4290 | TCPCharDriver *s; | |
130257dc | 4291 | ChardevSocket *sock = backend->u.socket; |
f6bd5d6e GH |
4292 | SocketAddress *addr = sock->addr; |
4293 | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; | |
4294 | bool is_listen = sock->has_server ? sock->server : true; | |
4295 | bool is_telnet = sock->has_telnet ? sock->telnet : false; | |
4296 | bool is_waitconnect = sock->has_wait ? sock->wait : false; | |
5dd1f02b | 4297 | int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0; |
d0d7708b | 4298 | ChardevCommon *common = qapi_ChardevSocket_base(backend->u.socket); |
43ded1a0 | 4299 | |
d0d7708b DB |
4300 | chr = qemu_chr_alloc(common, errp); |
4301 | if (!chr) { | |
4302 | return NULL; | |
4303 | } | |
2d528d45 | 4304 | s = g_new0(TCPCharDriver, 1); |
43ded1a0 | 4305 | |
130257dc | 4306 | s->is_unix = addr->type == SOCKET_ADDRESS_KIND_UNIX; |
cfb429cb CM |
4307 | s->is_listen = is_listen; |
4308 | s->is_telnet = is_telnet; | |
43ded1a0 | 4309 | s->do_nodelay = do_nodelay; |
a8fb5427 DB |
4310 | if (sock->tls_creds) { |
4311 | Object *creds; | |
4312 | creds = object_resolve_path_component( | |
4313 | object_get_objects_root(), sock->tls_creds); | |
4314 | if (!creds) { | |
4315 | error_setg(errp, "No TLS credentials with id '%s'", | |
4316 | sock->tls_creds); | |
4317 | goto error; | |
4318 | } | |
4319 | s->tls_creds = (QCryptoTLSCreds *) | |
4320 | object_dynamic_cast(creds, | |
4321 | TYPE_QCRYPTO_TLS_CREDS); | |
4322 | if (!s->tls_creds) { | |
4323 | error_setg(errp, "Object with id '%s' is not TLS credentials", | |
4324 | sock->tls_creds); | |
4325 | goto error; | |
4326 | } | |
4327 | object_ref(OBJECT(s->tls_creds)); | |
4328 | if (is_listen) { | |
4329 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
4330 | error_setg(errp, "%s", | |
4331 | "Expected TLS credentials for server endpoint"); | |
4332 | goto error; | |
4333 | } | |
4334 | } else { | |
4335 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) { | |
4336 | error_setg(errp, "%s", | |
4337 | "Expected TLS credentials for client endpoint"); | |
4338 | goto error; | |
4339 | } | |
4340 | } | |
4341 | } | |
4342 | ||
cfb429cb | 4343 | qapi_copy_SocketAddress(&s->addr, sock->addr); |
43ded1a0 CM |
4344 | |
4345 | chr->opaque = s; | |
4346 | chr->chr_write = tcp_chr_write; | |
4347 | chr->chr_sync_read = tcp_chr_sync_read; | |
4348 | chr->chr_close = tcp_chr_close; | |
4349 | chr->get_msgfds = tcp_get_msgfds; | |
4350 | chr->set_msgfds = tcp_set_msgfds; | |
4351 | chr->chr_add_client = tcp_chr_add_client; | |
4352 | chr->chr_add_watch = tcp_chr_add_watch; | |
4353 | chr->chr_update_read_handler = tcp_chr_update_read_handler; | |
4354 | /* be isn't opened until we get a connection */ | |
4355 | chr->explicit_be_open = true; | |
4356 | ||
0ff0fad2 DB |
4357 | chr->filename = SocketAddress_to_str("disconnected:", |
4358 | addr, is_listen, is_telnet); | |
f6bd5d6e GH |
4359 | |
4360 | if (is_listen) { | |
43ded1a0 CM |
4361 | if (is_telnet) { |
4362 | s->do_telnetopt = 1; | |
4363 | } | |
5dd1f02b CM |
4364 | } else if (reconnect > 0) { |
4365 | s->reconnect_time = reconnect; | |
f6bd5d6e | 4366 | } |
43ded1a0 | 4367 | |
5008e5b7 CM |
4368 | if (s->reconnect_time) { |
4369 | socket_try_connect(chr); | |
4370 | } else if (!qemu_chr_open_socket_fd(chr, errp)) { | |
a8fb5427 | 4371 | goto error; |
f6bd5d6e | 4372 | } |
43ded1a0 CM |
4373 | |
4374 | if (is_listen && is_waitconnect) { | |
4375 | fprintf(stderr, "QEMU waiting for connection on: %s\n", | |
4376 | chr->filename); | |
9894dc0c DB |
4377 | tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr); |
4378 | qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL); | |
43ded1a0 CM |
4379 | } |
4380 | ||
4381 | return chr; | |
a8fb5427 DB |
4382 | |
4383 | error: | |
4384 | if (s->tls_creds) { | |
4385 | object_unref(OBJECT(s->tls_creds)); | |
4386 | } | |
4387 | g_free(s); | |
4388 | qemu_chr_free_common(chr); | |
4389 | return NULL; | |
f6bd5d6e GH |
4390 | } |
4391 | ||
e79b80da PB |
4392 | static CharDriverState *qmp_chardev_open_udp(const char *id, |
4393 | ChardevBackend *backend, | |
4394 | ChardevReturn *ret, | |
08d0ab3f | 4395 | Error **errp) |
3ecc059d | 4396 | { |
130257dc | 4397 | ChardevUdp *udp = backend->u.udp; |
d0d7708b | 4398 | ChardevCommon *common = qapi_ChardevUdp_base(backend->u.udp); |
9894dc0c | 4399 | QIOChannelSocket *sioc = qio_channel_socket_new(); |
3ecc059d | 4400 | |
9894dc0c DB |
4401 | if (qio_channel_socket_dgram_sync(sioc, |
4402 | udp->remote, udp->local, | |
4403 | errp) < 0) { | |
4404 | object_unref(OBJECT(sioc)); | |
3ecc059d GH |
4405 | return NULL; |
4406 | } | |
9894dc0c | 4407 | return qemu_chr_open_udp(sioc, common, errp); |
3ecc059d GH |
4408 | } |
4409 | ||
f1a1a356 GH |
4410 | ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, |
4411 | Error **errp) | |
4412 | { | |
4413 | ChardevReturn *ret = g_new0(ChardevReturn, 1); | |
3c0e5a4a | 4414 | CharDriverState *chr = NULL; |
eaeba653 | 4415 | Error *local_err = NULL; |
4ca17281 PB |
4416 | GSList *i; |
4417 | CharDriver *cd; | |
f1a1a356 GH |
4418 | |
4419 | chr = qemu_chr_find(id); | |
4420 | if (chr) { | |
4421 | error_setg(errp, "Chardev '%s' already exists", id); | |
4422 | g_free(ret); | |
4423 | return NULL; | |
4424 | } | |
4425 | ||
4ca17281 PB |
4426 | for (i = backends; i; i = i->next) { |
4427 | cd = i->data; | |
4428 | ||
130257dc | 4429 | if (cd->kind == backend->type) { |
4ca17281 PB |
4430 | chr = cd->create(id, backend, ret, &local_err); |
4431 | if (local_err) { | |
4432 | error_propagate(errp, local_err); | |
4433 | goto out_error; | |
4434 | } | |
4435 | break; | |
4436 | } | |
4437 | } | |
4438 | ||
4439 | if (chr == NULL) { | |
1c3af0f4 PB |
4440 | assert(!i); |
4441 | error_setg(errp, "chardev backend not available"); | |
4442 | goto out_error; | |
eaeba653 PB |
4443 | } |
4444 | ||
4445 | chr->label = g_strdup(id); | |
4446 | chr->avail_connections = | |
130257dc | 4447 | (backend->type == CHARDEV_BACKEND_KIND_MUX) ? MAX_MUX : 1; |
eaeba653 | 4448 | if (!chr->filename) { |
130257dc | 4449 | chr->filename = g_strdup(ChardevBackendKind_lookup[backend->type]); |
f1a1a356 | 4450 | } |
eaeba653 PB |
4451 | if (!chr->explicit_be_open) { |
4452 | qemu_chr_be_event(chr, CHR_EVENT_OPENED); | |
4453 | } | |
4454 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); | |
4455 | return ret; | |
4456 | ||
4457 | out_error: | |
4458 | g_free(ret); | |
4459 | return NULL; | |
f1a1a356 GH |
4460 | } |
4461 | ||
4462 | void qmp_chardev_remove(const char *id, Error **errp) | |
4463 | { | |
4464 | CharDriverState *chr; | |
4465 | ||
4466 | chr = qemu_chr_find(id); | |
8108fd3e | 4467 | if (chr == NULL) { |
f1a1a356 GH |
4468 | error_setg(errp, "Chardev '%s' not found", id); |
4469 | return; | |
4470 | } | |
4471 | if (chr->chr_can_read || chr->chr_read || | |
4472 | chr->chr_event || chr->handler_opaque) { | |
4473 | error_setg(errp, "Chardev '%s' is busy", id); | |
4474 | return; | |
4475 | } | |
4476 | qemu_chr_delete(chr); | |
4477 | } | |
d654f34e AL |
4478 | |
4479 | static void register_types(void) | |
4480 | { | |
4ca17281 | 4481 | register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL, |
0d64992b | 4482 | qemu_chr_open_null); |
e4d50d47 | 4483 | register_char_driver("socket", CHARDEV_BACKEND_KIND_SOCKET, |
dbba8d1b | 4484 | qemu_chr_parse_socket, qmp_chardev_open_socket); |
4ca17281 | 4485 | register_char_driver("udp", CHARDEV_BACKEND_KIND_UDP, qemu_chr_parse_udp, |
e79b80da | 4486 | qmp_chardev_open_udp); |
e4d50d47 | 4487 | register_char_driver("ringbuf", CHARDEV_BACKEND_KIND_RINGBUF, |
479f09a1 | 4488 | qemu_chr_parse_ringbuf, qemu_chr_open_ringbuf); |
e4d50d47 | 4489 | register_char_driver("file", CHARDEV_BACKEND_KIND_FILE, |
fd5b036c | 4490 | qemu_chr_parse_file_out, qmp_chardev_open_file); |
e4d50d47 | 4491 | register_char_driver("stdio", CHARDEV_BACKEND_KIND_STDIO, |
8c84b25d | 4492 | qemu_chr_parse_stdio, qemu_chr_open_stdio); |
6511d396 | 4493 | #if defined HAVE_CHARDEV_SERIAL |
e4d50d47 | 4494 | register_char_driver("serial", CHARDEV_BACKEND_KIND_SERIAL, |
6511d396 | 4495 | qemu_chr_parse_serial, qmp_chardev_open_serial); |
e4d50d47 | 4496 | register_char_driver("tty", CHARDEV_BACKEND_KIND_SERIAL, |
6511d396 PB |
4497 | qemu_chr_parse_serial, qmp_chardev_open_serial); |
4498 | #endif | |
38bfb1a6 | 4499 | #ifdef HAVE_CHARDEV_PARPORT |
e4d50d47 | 4500 | register_char_driver("parallel", CHARDEV_BACKEND_KIND_PARALLEL, |
38bfb1a6 | 4501 | qemu_chr_parse_parallel, qmp_chardev_open_parallel); |
e4d50d47 | 4502 | register_char_driver("parport", CHARDEV_BACKEND_KIND_PARALLEL, |
38bfb1a6 PB |
4503 | qemu_chr_parse_parallel, qmp_chardev_open_parallel); |
4504 | #endif | |
c2e75a43 | 4505 | #ifdef HAVE_CHARDEV_PTY |
4ca17281 | 4506 | register_char_driver("pty", CHARDEV_BACKEND_KIND_PTY, NULL, |
c2e75a43 PB |
4507 | qemu_chr_open_pty); |
4508 | #endif | |
122e5ed4 | 4509 | #ifdef _WIN32 |
4ca17281 | 4510 | register_char_driver("console", CHARDEV_BACKEND_KIND_CONSOLE, NULL, |
122e5ed4 PB |
4511 | qemu_chr_open_win_con); |
4512 | #endif | |
e4d50d47 | 4513 | register_char_driver("pipe", CHARDEV_BACKEND_KIND_PIPE, |
20cbe7a2 | 4514 | qemu_chr_parse_pipe, qemu_chr_open_pipe); |
4ca17281 | 4515 | register_char_driver("mux", CHARDEV_BACKEND_KIND_MUX, qemu_chr_parse_mux, |
3c0e5a4a | 4516 | qemu_chr_open_mux); |
c11ed966 | 4517 | /* Bug-compatibility: */ |
e4d50d47 | 4518 | register_char_driver("memory", CHARDEV_BACKEND_KIND_MEMORY, |
479f09a1 | 4519 | qemu_chr_parse_ringbuf, qemu_chr_open_ringbuf); |
7b7ab18d MR |
4520 | /* this must be done after machine init, since we register FEs with muxes |
4521 | * as part of realize functions like serial_isa_realizefn when -nographic | |
4522 | * is specified | |
4523 | */ | |
4524 | qemu_add_machine_init_done_notifier(&muxes_realize_notify); | |
d654f34e AL |
4525 | } |
4526 | ||
4527 | type_init(register_types); |