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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 | */ | |
d38ea87a | 24 | #include "qemu/osdep.h" |
6f97dba0 | 25 | #include "qemu-common.h" |
f348b6d1 | 26 | #include "qemu/cutils.h" |
83c9089e | 27 | #include "monitor/monitor.h" |
9c17d615 | 28 | #include "sysemu/sysemu.h" |
da31d594 | 29 | #include "sysemu/block-backend.h" |
d49b6836 | 30 | #include "qemu/error-report.h" |
1de7afc9 | 31 | #include "qemu/timer.h" |
dccfcd0e | 32 | #include "sysemu/char.h" |
cf3ebac7 | 33 | #include "hw/usb.h" |
c5a415a0 | 34 | #include "qmp-commands.h" |
37f9e0a2 | 35 | #include "qapi/clone-visitor.h" |
cfb429cb | 36 | #include "qapi-visit.h" |
e9cf2fe0 | 37 | #include "qemu/base64.h" |
9894dc0c DB |
38 | #include "io/channel-socket.h" |
39 | #include "io/channel-file.h" | |
a8fb5427 | 40 | #include "io/channel-tls.h" |
33577b47 | 41 | #include "sysemu/replay.h" |
517b3d40 | 42 | #include "qemu/help_option.h" |
6f97dba0 | 43 | |
6f97dba0 AL |
44 | #include <zlib.h> |
45 | ||
46 | #ifndef _WIN32 | |
47 | #include <sys/times.h> | |
48 | #include <sys/wait.h> | |
49 | #include <termios.h> | |
6f97dba0 | 50 | #include <sys/ioctl.h> |
24646c7e | 51 | #include <sys/resource.h> |
6f97dba0 AL |
52 | #include <sys/socket.h> |
53 | #include <netinet/in.h> | |
24646c7e | 54 | #include <net/if.h> |
24646c7e | 55 | #include <arpa/inet.h> |
6f97dba0 AL |
56 | #include <netdb.h> |
57 | #include <sys/select.h> | |
71e72a19 | 58 | #ifdef CONFIG_BSD |
3294ce18 MT |
59 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
60 | #include <dev/ppbus/ppi.h> | |
61 | #include <dev/ppbus/ppbconf.h> | |
c5e97233 | 62 | #elif defined(__DragonFly__) |
c5e97233 BS |
63 | #include <dev/misc/ppi/ppi.h> |
64 | #include <bus/ppbus/ppbconf.h> | |
6f97dba0 | 65 | #endif |
bbe813a2 | 66 | #else |
6f97dba0 | 67 | #ifdef __linux__ |
6f97dba0 AL |
68 | #include <linux/ppdev.h> |
69 | #include <linux/parport.h> | |
70 | #endif | |
71 | #ifdef __sun__ | |
6f97dba0 AL |
72 | #include <sys/ethernet.h> |
73 | #include <sys/sockio.h> | |
74 | #include <netinet/arp.h> | |
75 | #include <netinet/in.h> | |
76 | #include <netinet/in_systm.h> | |
77 | #include <netinet/ip.h> | |
78 | #include <netinet/ip_icmp.h> // must come after ip.h | |
79 | #include <netinet/udp.h> | |
80 | #include <netinet/tcp.h> | |
6f97dba0 AL |
81 | #endif |
82 | #endif | |
83 | #endif | |
84 | ||
1de7afc9 | 85 | #include "qemu/sockets.h" |
cbcc6336 | 86 | #include "ui/qemu-spice.h" |
6f97dba0 | 87 | |
9bd7854e | 88 | #define READ_BUF_LEN 4096 |
7b0bfdf5 | 89 | #define READ_RETRIES 10 |
c4095726 | 90 | #define TCP_MAX_FDS 16 |
9bd7854e | 91 | |
0ec7b3e7 | 92 | typedef struct MuxChardev MuxChardev; |
6dfa8298 | 93 | |
cfb429cb CM |
94 | /***********************************************************/ |
95 | /* Socket address helpers */ | |
cfb429cb | 96 | |
0ff0fad2 DB |
97 | static char *SocketAddress_to_str(const char *prefix, SocketAddress *addr, |
98 | bool is_listen, bool is_telnet) | |
16cc4ffe | 99 | { |
130257dc | 100 | switch (addr->type) { |
16cc4ffe | 101 | case SOCKET_ADDRESS_KIND_INET: |
0ff0fad2 | 102 | return g_strdup_printf("%s%s:%s:%s%s", prefix, |
32bafa8f EB |
103 | is_telnet ? "telnet" : "tcp", |
104 | addr->u.inet.data->host, | |
105 | addr->u.inet.data->port, | |
106 | is_listen ? ",server" : ""); | |
16cc4ffe CM |
107 | break; |
108 | case SOCKET_ADDRESS_KIND_UNIX: | |
0ff0fad2 | 109 | return g_strdup_printf("%sunix:%s%s", prefix, |
32bafa8f | 110 | addr->u.q_unix.data->path, |
0ff0fad2 | 111 | is_listen ? ",server" : ""); |
16cc4ffe CM |
112 | break; |
113 | case SOCKET_ADDRESS_KIND_FD: | |
32bafa8f | 114 | return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd.data->str, |
0ff0fad2 | 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 | ||
0ec7b3e7 | 160 | static QTAILQ_HEAD(ChardevHead, Chardev) chardevs = |
72cf2d4f | 161 | QTAILQ_HEAD_INITIALIZER(chardevs); |
2970a6c9 | 162 | |
0ec7b3e7 | 163 | void qemu_chr_be_event(Chardev *s, int event) |
6f97dba0 | 164 | { |
a4afa548 MAL |
165 | CharBackend *be = s->be; |
166 | ||
73cdf3f2 AG |
167 | /* Keep track if the char device is open */ |
168 | switch (event) { | |
169 | case CHR_EVENT_OPENED: | |
16665b94 | 170 | s->be_open = 1; |
73cdf3f2 AG |
171 | break; |
172 | case CHR_EVENT_CLOSED: | |
16665b94 | 173 | s->be_open = 0; |
73cdf3f2 AG |
174 | break; |
175 | } | |
176 | ||
a4afa548 | 177 | if (!be || !be->chr_event) { |
6f97dba0 | 178 | return; |
a4afa548 MAL |
179 | } |
180 | ||
181 | be->chr_event(be->opaque, event); | |
6f97dba0 AL |
182 | } |
183 | ||
0ec7b3e7 | 184 | void qemu_chr_be_generic_open(Chardev *s) |
6f97dba0 | 185 | { |
bd5c51ee | 186 | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
6f97dba0 AL |
187 | } |
188 | ||
d0d7708b DB |
189 | |
190 | /* Not reporting errors from writing to logfile, as logs are | |
191 | * defined to be "best effort" only */ | |
0ec7b3e7 | 192 | static void qemu_chr_fe_write_log(Chardev *s, |
d0d7708b DB |
193 | const uint8_t *buf, size_t len) |
194 | { | |
195 | size_t done = 0; | |
196 | ssize_t ret; | |
197 | ||
198 | if (s->logfd < 0) { | |
199 | return; | |
200 | } | |
201 | ||
202 | while (done < len) { | |
53628efb DB |
203 | retry: |
204 | ret = write(s->logfd, buf + done, len - done); | |
205 | if (ret == -1 && errno == EAGAIN) { | |
206 | g_usleep(100); | |
207 | goto retry; | |
208 | } | |
d0d7708b DB |
209 | |
210 | if (ret <= 0) { | |
211 | return; | |
212 | } | |
213 | done += ret; | |
214 | } | |
215 | } | |
216 | ||
0ec7b3e7 MAL |
217 | static int qemu_chr_fe_write_buffer(Chardev *s, |
218 | const uint8_t *buf, int len, int *offset) | |
33577b47 | 219 | { |
777357d7 | 220 | ChardevClass *cc = CHARDEV_GET_CLASS(s); |
33577b47 PD |
221 | int res = 0; |
222 | *offset = 0; | |
223 | ||
224 | qemu_mutex_lock(&s->chr_write_lock); | |
225 | while (*offset < len) { | |
53628efb | 226 | retry: |
777357d7 | 227 | res = cc->chr_write(s, buf + *offset, len - *offset); |
53628efb DB |
228 | if (res < 0 && errno == EAGAIN) { |
229 | g_usleep(100); | |
230 | goto retry; | |
231 | } | |
33577b47 PD |
232 | |
233 | if (res <= 0) { | |
234 | break; | |
235 | } | |
236 | ||
237 | *offset += res; | |
238 | } | |
239 | if (*offset > 0) { | |
240 | qemu_chr_fe_write_log(s, buf, *offset); | |
241 | } | |
242 | qemu_mutex_unlock(&s->chr_write_lock); | |
243 | ||
244 | return res; | |
245 | } | |
246 | ||
0ec7b3e7 | 247 | static bool qemu_chr_replay(Chardev *chr) |
5ebd6703 MAL |
248 | { |
249 | return qemu_chr_has_feature(chr, QEMU_CHAR_FEATURE_REPLAY); | |
250 | } | |
251 | ||
5345fdb4 | 252 | int qemu_chr_fe_write(CharBackend *be, const uint8_t *buf, int len) |
6f97dba0 | 253 | { |
0ec7b3e7 | 254 | Chardev *s = be->chr; |
777357d7 | 255 | ChardevClass *cc; |
9005b2a7 PB |
256 | int ret; |
257 | ||
fa394ed6 MAL |
258 | if (!s) { |
259 | return 0; | |
260 | } | |
261 | ||
5ebd6703 | 262 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_PLAY) { |
33577b47 PD |
263 | int offset; |
264 | replay_char_write_event_load(&ret, &offset); | |
265 | assert(offset <= len); | |
266 | qemu_chr_fe_write_buffer(s, buf, offset, &offset); | |
267 | return ret; | |
268 | } | |
269 | ||
777357d7 | 270 | cc = CHARDEV_GET_CLASS(s); |
9005b2a7 | 271 | qemu_mutex_lock(&s->chr_write_lock); |
777357d7 | 272 | ret = cc->chr_write(s, buf, len); |
d0d7708b DB |
273 | |
274 | if (ret > 0) { | |
275 | qemu_chr_fe_write_log(s, buf, ret); | |
276 | } | |
277 | ||
9005b2a7 | 278 | qemu_mutex_unlock(&s->chr_write_lock); |
33577b47 | 279 | |
5ebd6703 | 280 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) { |
33577b47 PD |
281 | replay_char_write_event_save(ret, ret < 0 ? 0 : ret); |
282 | } | |
283 | ||
9005b2a7 | 284 | return ret; |
6f97dba0 AL |
285 | } |
286 | ||
0ec7b3e7 | 287 | static int qemu_chr_write_all(Chardev *s, const uint8_t *buf, int len) |
cd18720a | 288 | { |
33577b47 PD |
289 | int offset; |
290 | int res; | |
cd18720a | 291 | |
5ebd6703 | 292 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_PLAY) { |
33577b47 PD |
293 | replay_char_write_event_load(&res, &offset); |
294 | assert(offset <= len); | |
295 | qemu_chr_fe_write_buffer(s, buf, offset, &offset); | |
296 | return res; | |
297 | } | |
cd18720a | 298 | |
33577b47 | 299 | res = qemu_chr_fe_write_buffer(s, buf, len, &offset); |
cd18720a | 300 | |
5ebd6703 | 301 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) { |
33577b47 | 302 | replay_char_write_event_save(res, offset); |
cd18720a AL |
303 | } |
304 | ||
9005b2a7 PB |
305 | if (res < 0) { |
306 | return res; | |
307 | } | |
cd18720a AL |
308 | return offset; |
309 | } | |
310 | ||
5345fdb4 | 311 | int qemu_chr_fe_write_all(CharBackend *be, const uint8_t *buf, int len) |
7b0bfdf5 | 312 | { |
0ec7b3e7 | 313 | Chardev *s = be->chr; |
5345fdb4 | 314 | |
fa394ed6 MAL |
315 | if (!s) { |
316 | return 0; | |
317 | } | |
318 | ||
5345fdb4 MAL |
319 | return qemu_chr_write_all(s, buf, len); |
320 | } | |
321 | ||
322 | int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len) | |
323 | { | |
0ec7b3e7 | 324 | Chardev *s = be->chr; |
7b0bfdf5 NN |
325 | int offset = 0, counter = 10; |
326 | int res; | |
327 | ||
777357d7 | 328 | if (!s || !CHARDEV_GET_CLASS(s)->chr_sync_read) { |
7b0bfdf5 NN |
329 | return 0; |
330 | } | |
fa394ed6 | 331 | |
5ebd6703 | 332 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_PLAY) { |
33577b47 PD |
333 | return replay_char_read_all_load(buf); |
334 | } | |
7b0bfdf5 NN |
335 | |
336 | while (offset < len) { | |
53628efb | 337 | retry: |
777357d7 MAL |
338 | res = CHARDEV_GET_CLASS(s)->chr_sync_read(s, buf + offset, |
339 | len - offset); | |
53628efb DB |
340 | if (res == -1 && errno == EAGAIN) { |
341 | g_usleep(100); | |
342 | goto retry; | |
343 | } | |
7b0bfdf5 NN |
344 | |
345 | if (res == 0) { | |
346 | break; | |
347 | } | |
348 | ||
349 | if (res < 0) { | |
5ebd6703 | 350 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) { |
33577b47 PD |
351 | replay_char_read_all_save_error(res); |
352 | } | |
7b0bfdf5 NN |
353 | return res; |
354 | } | |
355 | ||
356 | offset += res; | |
357 | ||
358 | if (!counter--) { | |
359 | break; | |
360 | } | |
361 | } | |
362 | ||
5ebd6703 | 363 | if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) { |
33577b47 PD |
364 | replay_char_read_all_save_buf(buf, offset); |
365 | } | |
7b0bfdf5 NN |
366 | return offset; |
367 | } | |
368 | ||
5345fdb4 | 369 | int qemu_chr_fe_ioctl(CharBackend *be, int cmd, void *arg) |
6f97dba0 | 370 | { |
0ec7b3e7 | 371 | Chardev *s = be->chr; |
33577b47 | 372 | int res; |
fa394ed6 | 373 | |
777357d7 | 374 | if (!s || !CHARDEV_GET_CLASS(s)->chr_ioctl || qemu_chr_replay(s)) { |
33577b47 PD |
375 | res = -ENOTSUP; |
376 | } else { | |
777357d7 | 377 | res = CHARDEV_GET_CLASS(s)->chr_ioctl(s, cmd, arg); |
33577b47 PD |
378 | } |
379 | ||
380 | return res; | |
6f97dba0 AL |
381 | } |
382 | ||
0ec7b3e7 | 383 | int qemu_chr_be_can_write(Chardev *s) |
6f97dba0 | 384 | { |
a4afa548 MAL |
385 | CharBackend *be = s->be; |
386 | ||
387 | if (!be || !be->chr_can_read) { | |
6f97dba0 | 388 | return 0; |
a4afa548 MAL |
389 | } |
390 | ||
391 | return be->chr_can_read(be->opaque); | |
6f97dba0 AL |
392 | } |
393 | ||
0ec7b3e7 | 394 | void qemu_chr_be_write_impl(Chardev *s, uint8_t *buf, int len) |
6f97dba0 | 395 | { |
a4afa548 MAL |
396 | CharBackend *be = s->be; |
397 | ||
398 | if (be && be->chr_read) { | |
399 | be->chr_read(be->opaque, buf, len); | |
ac310734 | 400 | } |
6f97dba0 AL |
401 | } |
402 | ||
0ec7b3e7 | 403 | void qemu_chr_be_write(Chardev *s, uint8_t *buf, int len) |
33577b47 | 404 | { |
5ebd6703 | 405 | if (qemu_chr_replay(s)) { |
33577b47 PD |
406 | if (replay_mode == REPLAY_MODE_PLAY) { |
407 | return; | |
408 | } | |
409 | replay_chr_be_write(s, buf, len); | |
410 | } else { | |
411 | qemu_chr_be_write_impl(s, buf, len); | |
412 | } | |
413 | } | |
414 | ||
5345fdb4 | 415 | int qemu_chr_fe_get_msgfd(CharBackend *be) |
7d174059 | 416 | { |
0ec7b3e7 | 417 | Chardev *s = be->chr; |
c76bf6bb | 418 | int fd; |
5345fdb4 | 419 | int res = (qemu_chr_fe_get_msgfds(be, &fd, 1) == 1) ? fd : -1; |
5ebd6703 | 420 | if (s && qemu_chr_replay(s)) { |
776a32a0 MAL |
421 | error_report("Replay: get msgfd is not supported " |
422 | "for serial devices yet"); | |
33577b47 PD |
423 | exit(1); |
424 | } | |
425 | return res; | |
c76bf6bb NN |
426 | } |
427 | ||
5345fdb4 | 428 | int qemu_chr_fe_get_msgfds(CharBackend *be, int *fds, int len) |
c76bf6bb | 429 | { |
0ec7b3e7 | 430 | Chardev *s = be->chr; |
5345fdb4 | 431 | |
fa394ed6 MAL |
432 | if (!s) { |
433 | return -1; | |
434 | } | |
435 | ||
777357d7 MAL |
436 | return CHARDEV_GET_CLASS(s)->get_msgfds ? |
437 | CHARDEV_GET_CLASS(s)->get_msgfds(s, fds, len) : -1; | |
7d174059 MM |
438 | } |
439 | ||
5345fdb4 | 440 | int qemu_chr_fe_set_msgfds(CharBackend *be, int *fds, int num) |
d39aac7a | 441 | { |
0ec7b3e7 | 442 | Chardev *s = be->chr; |
5345fdb4 | 443 | |
fa394ed6 MAL |
444 | if (!s) { |
445 | return -1; | |
446 | } | |
447 | ||
777357d7 MAL |
448 | return CHARDEV_GET_CLASS(s)->set_msgfds ? |
449 | CHARDEV_GET_CLASS(s)->set_msgfds(s, fds, num) : -1; | |
d39aac7a NN |
450 | } |
451 | ||
0ec7b3e7 | 452 | int qemu_chr_add_client(Chardev *s, int fd) |
13661089 | 453 | { |
777357d7 MAL |
454 | return CHARDEV_GET_CLASS(s)->chr_add_client ? |
455 | CHARDEV_GET_CLASS(s)->chr_add_client(s, fd) : -1; | |
13661089 DB |
456 | } |
457 | ||
5345fdb4 | 458 | void qemu_chr_fe_accept_input(CharBackend *be) |
6f97dba0 | 459 | { |
0ec7b3e7 | 460 | Chardev *s = be->chr; |
5345fdb4 | 461 | |
fa394ed6 MAL |
462 | if (!s) { |
463 | return; | |
464 | } | |
465 | ||
777357d7 MAL |
466 | if (CHARDEV_GET_CLASS(s)->chr_accept_input) { |
467 | CHARDEV_GET_CLASS(s)->chr_accept_input(s); | |
b68e956a | 468 | } |
98c8ee1d | 469 | qemu_notify_event(); |
6f97dba0 AL |
470 | } |
471 | ||
5345fdb4 | 472 | void qemu_chr_fe_printf(CharBackend *be, const char *fmt, ...) |
6f97dba0 | 473 | { |
9bd7854e | 474 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
475 | va_list ap; |
476 | va_start(ap, fmt); | |
477 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
90f998f5 DB |
478 | /* XXX this blocks entire thread. Rewrite to use |
479 | * qemu_chr_fe_write and background I/O callbacks */ | |
5345fdb4 | 480 | qemu_chr_fe_write_all(be, (uint8_t *)buf, strlen(buf)); |
6f97dba0 AL |
481 | va_end(ap); |
482 | } | |
483 | ||
0ec7b3e7 MAL |
484 | static void remove_fd_in_watch(Chardev *chr); |
485 | static void mux_chr_set_handlers(Chardev *chr, GMainContext *context); | |
486 | static void mux_set_focus(Chardev *chr, int focus); | |
6dfa8298 | 487 | |
777357d7 MAL |
488 | static void qemu_char_open(Chardev *chr, ChardevBackend *backend, |
489 | bool *be_opened, Error **errp) | |
6f97dba0 | 490 | { |
777357d7 MAL |
491 | ChardevClass *cc = CHARDEV_GET_CLASS(chr); |
492 | /* Any ChardevCommon member would work */ | |
493 | ChardevCommon *common = backend ? backend->u.null.data : NULL; | |
494 | ||
495 | if (common && common->has_logfile) { | |
496 | int flags = O_WRONLY | O_CREAT; | |
497 | if (common->has_logappend && | |
498 | common->logappend) { | |
499 | flags |= O_APPEND; | |
500 | } else { | |
501 | flags |= O_TRUNC; | |
502 | } | |
503 | chr->logfd = qemu_open(common->logfile, flags, 0666); | |
504 | if (chr->logfd < 0) { | |
505 | error_setg_errno(errp, errno, | |
506 | "Unable to open logfile %s", | |
507 | common->logfile); | |
508 | return; | |
509 | } | |
510 | } | |
511 | ||
512 | if (cc->open) { | |
513 | cc->open(chr, backend, be_opened, errp); | |
514 | } | |
6f97dba0 AL |
515 | } |
516 | ||
777357d7 | 517 | static void char_init(Object *obj) |
6f97dba0 | 518 | { |
777357d7 | 519 | Chardev *chr = CHARDEV(obj); |
6f97dba0 | 520 | |
777357d7 MAL |
521 | chr->logfd = -1; |
522 | qemu_mutex_init(&chr->chr_write_lock); | |
523 | } | |
524 | ||
525 | static void char_finalize(Object *obj) | |
526 | { | |
527 | Chardev *chr = CHARDEV(obj); | |
528 | ||
529 | if (chr->be) { | |
530 | chr->be->chr = NULL; | |
531 | } | |
532 | g_free(chr->filename); | |
533 | g_free(chr->label); | |
534 | if (chr->logfd != -1) { | |
535 | close(chr->logfd); | |
d0d7708b | 536 | } |
777357d7 MAL |
537 | qemu_mutex_destroy(&chr->chr_write_lock); |
538 | } | |
539 | ||
540 | static const TypeInfo char_type_info = { | |
541 | .name = TYPE_CHARDEV, | |
542 | .parent = TYPE_OBJECT, | |
543 | .instance_size = sizeof(Chardev), | |
544 | .instance_init = char_init, | |
545 | .instance_finalize = char_finalize, | |
546 | .abstract = true, | |
547 | .class_size = sizeof(ChardevClass), | |
548 | }; | |
549 | ||
550 | static int null_chr_write(Chardev *chr, const uint8_t *buf, int len) | |
551 | { | |
552 | return len; | |
553 | } | |
554 | ||
555 | static void null_chr_open(Chardev *chr, | |
556 | ChardevBackend *backend, | |
557 | bool *be_opened, | |
558 | Error **errp) | |
559 | { | |
82878dac | 560 | *be_opened = false; |
6f97dba0 AL |
561 | } |
562 | ||
777357d7 MAL |
563 | static void char_null_class_init(ObjectClass *oc, void *data) |
564 | { | |
565 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
566 | ||
567 | cc->open = null_chr_open; | |
568 | cc->chr_write = null_chr_write; | |
569 | } | |
570 | ||
571 | static const TypeInfo char_null_type_info = { | |
572 | .name = TYPE_CHARDEV_NULL, | |
573 | .parent = TYPE_CHARDEV, | |
574 | .instance_size = sizeof(Chardev), | |
575 | .class_init = char_null_class_init, | |
b68e956a MAL |
576 | }; |
577 | ||
6f97dba0 | 578 | /* MUX driver for serial I/O splitting */ |
6f97dba0 AL |
579 | #define MAX_MUX 4 |
580 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
581 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
0ec7b3e7 MAL |
582 | struct MuxChardev { |
583 | Chardev parent; | |
a4afa548 | 584 | CharBackend *backends[MAX_MUX]; |
ecb672d1 | 585 | CharBackend chr; |
799f1f23 | 586 | int focus; |
6f97dba0 AL |
587 | int mux_cnt; |
588 | int term_got_escape; | |
589 | int max_size; | |
a80bf99f AL |
590 | /* Intermediate input buffer allows to catch escape sequences even if the |
591 | currently active device is not accepting any input - but only until it | |
592 | is full as well. */ | |
593 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
594 | int prod[MAX_MUX]; | |
595 | int cons[MAX_MUX]; | |
2d22959d | 596 | int timestamps; |
9005b2a7 | 597 | |
0ec7b3e7 | 598 | /* Protected by the Chardev chr_write_lock. */ |
4ab312f7 | 599 | int linestart; |
2d22959d | 600 | int64_t timestamps_start; |
6dfa8298 | 601 | }; |
6f97dba0 | 602 | |
777357d7 MAL |
603 | #define MUX_CHARDEV(obj) OBJECT_CHECK(MuxChardev, (obj), TYPE_CHARDEV_MUX) |
604 | ||
9005b2a7 | 605 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 606 | static int mux_chr_write(Chardev *chr, const uint8_t *buf, int len) |
6f97dba0 | 607 | { |
777357d7 | 608 | MuxChardev *d = MUX_CHARDEV(chr); |
6f97dba0 | 609 | int ret; |
2d22959d | 610 | if (!d->timestamps) { |
5345fdb4 | 611 | ret = qemu_chr_fe_write(&d->chr, buf, len); |
6f97dba0 AL |
612 | } else { |
613 | int i; | |
614 | ||
615 | ret = 0; | |
4ab312f7 JK |
616 | for (i = 0; i < len; i++) { |
617 | if (d->linestart) { | |
6f97dba0 AL |
618 | char buf1[64]; |
619 | int64_t ti; | |
620 | int secs; | |
621 | ||
bc72ad67 | 622 | ti = qemu_clock_get_ms(QEMU_CLOCK_REALTIME); |
2d22959d JK |
623 | if (d->timestamps_start == -1) |
624 | d->timestamps_start = ti; | |
625 | ti -= d->timestamps_start; | |
a4bb1db8 | 626 | secs = ti / 1000; |
6f97dba0 AL |
627 | snprintf(buf1, sizeof(buf1), |
628 | "[%02d:%02d:%02d.%03d] ", | |
629 | secs / 3600, | |
630 | (secs / 60) % 60, | |
631 | secs % 60, | |
a4bb1db8 | 632 | (int)(ti % 1000)); |
90f998f5 DB |
633 | /* XXX this blocks entire thread. Rewrite to use |
634 | * qemu_chr_fe_write and background I/O callbacks */ | |
5345fdb4 MAL |
635 | qemu_chr_fe_write_all(&d->chr, |
636 | (uint8_t *)buf1, strlen(buf1)); | |
4ab312f7 JK |
637 | d->linestart = 0; |
638 | } | |
5345fdb4 | 639 | ret += qemu_chr_fe_write(&d->chr, buf + i, 1); |
4ab312f7 JK |
640 | if (buf[i] == '\n') { |
641 | d->linestart = 1; | |
6f97dba0 AL |
642 | } |
643 | } | |
644 | } | |
645 | return ret; | |
646 | } | |
647 | ||
648 | static const char * const mux_help[] = { | |
649 | "% h print this help\n\r", | |
650 | "% x exit emulator\n\r", | |
651 | "% s save disk data back to file (if -snapshot)\n\r", | |
86d10328 | 652 | "% t toggle console timestamps\n\r", |
6f97dba0 AL |
653 | "% b send break (magic sysrq)\n\r", |
654 | "% c switch between console and monitor\n\r", | |
655 | "% % sends %\n\r", | |
656 | NULL | |
657 | }; | |
658 | ||
659 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
0ec7b3e7 | 660 | static void mux_print_help(Chardev *chr) |
6f97dba0 AL |
661 | { |
662 | int i, j; | |
663 | char ebuf[15] = "Escape-Char"; | |
664 | char cbuf[50] = "\n\r"; | |
665 | ||
666 | if (term_escape_char > 0 && term_escape_char < 26) { | |
667 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
668 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
669 | } else { | |
670 | snprintf(cbuf, sizeof(cbuf), | |
671 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
672 | term_escape_char); | |
673 | } | |
90f998f5 DB |
674 | /* XXX this blocks entire thread. Rewrite to use |
675 | * qemu_chr_fe_write and background I/O callbacks */ | |
5345fdb4 | 676 | qemu_chr_write_all(chr, (uint8_t *)cbuf, strlen(cbuf)); |
6f97dba0 AL |
677 | for (i = 0; mux_help[i] != NULL; i++) { |
678 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
679 | if (mux_help[i][j] == '%') | |
5345fdb4 | 680 | qemu_chr_write_all(chr, (uint8_t *)ebuf, strlen(ebuf)); |
6f97dba0 | 681 | else |
5345fdb4 | 682 | qemu_chr_write_all(chr, (uint8_t *)&mux_help[i][j], 1); |
6f97dba0 AL |
683 | } |
684 | } | |
685 | } | |
686 | ||
0ec7b3e7 | 687 | static void mux_chr_send_event(MuxChardev *d, int mux_nr, int event) |
2724b180 | 688 | { |
a4afa548 MAL |
689 | CharBackend *be = d->backends[mux_nr]; |
690 | ||
691 | if (be && be->chr_event) { | |
692 | be->chr_event(be->opaque, event); | |
693 | } | |
2724b180 AL |
694 | } |
695 | ||
0ec7b3e7 | 696 | static int mux_proc_byte(Chardev *chr, MuxChardev *d, int ch) |
6f97dba0 AL |
697 | { |
698 | if (d->term_got_escape) { | |
699 | d->term_got_escape = 0; | |
700 | if (ch == term_escape_char) | |
701 | goto send_char; | |
702 | switch(ch) { | |
703 | case '?': | |
704 | case 'h': | |
705 | mux_print_help(chr); | |
706 | break; | |
707 | case 'x': | |
708 | { | |
709 | const char *term = "QEMU: Terminated\n\r"; | |
5345fdb4 | 710 | qemu_chr_write_all(chr, (uint8_t *)term, strlen(term)); |
6f97dba0 AL |
711 | exit(0); |
712 | break; | |
713 | } | |
714 | case 's': | |
da31d594 | 715 | blk_commit_all(); |
6f97dba0 AL |
716 | break; |
717 | case 'b': | |
a425d23f | 718 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
719 | break; |
720 | case 'c': | |
6dfa8298 | 721 | assert(d->mux_cnt > 0); /* handler registered with first fe */ |
6f97dba0 | 722 | /* Switch to the next registered device */ |
fb5e19d2 | 723 | mux_set_focus(chr, (d->focus + 1) % d->mux_cnt); |
6f97dba0 | 724 | break; |
2d22959d JK |
725 | case 't': |
726 | d->timestamps = !d->timestamps; | |
727 | d->timestamps_start = -1; | |
4ab312f7 | 728 | d->linestart = 0; |
2d22959d | 729 | break; |
6f97dba0 AL |
730 | } |
731 | } else if (ch == term_escape_char) { | |
732 | d->term_got_escape = 1; | |
733 | } else { | |
734 | send_char: | |
735 | return 1; | |
736 | } | |
737 | return 0; | |
738 | } | |
739 | ||
0ec7b3e7 | 740 | static void mux_chr_accept_input(Chardev *chr) |
6f97dba0 | 741 | { |
777357d7 | 742 | MuxChardev *d = MUX_CHARDEV(chr); |
799f1f23 | 743 | int m = d->focus; |
a4afa548 | 744 | CharBackend *be = d->backends[m]; |
6f97dba0 | 745 | |
a4afa548 MAL |
746 | while (be && d->prod[m] != d->cons[m] && |
747 | be->chr_can_read && be->chr_can_read(be->opaque)) { | |
748 | be->chr_read(be->opaque, | |
749 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); | |
6f97dba0 AL |
750 | } |
751 | } | |
752 | ||
753 | static int mux_chr_can_read(void *opaque) | |
754 | { | |
777357d7 | 755 | MuxChardev *d = MUX_CHARDEV(opaque); |
799f1f23 | 756 | int m = d->focus; |
a4afa548 | 757 | CharBackend *be = d->backends[m]; |
6f97dba0 | 758 | |
a4afa548 | 759 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) { |
6f97dba0 | 760 | return 1; |
a4afa548 MAL |
761 | } |
762 | ||
763 | if (be && be->chr_can_read) { | |
764 | return be->chr_can_read(be->opaque); | |
765 | } | |
766 | ||
6f97dba0 AL |
767 | return 0; |
768 | } | |
769 | ||
770 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
771 | { | |
777357d7 MAL |
772 | Chardev *chr = CHARDEV(opaque); |
773 | MuxChardev *d = MUX_CHARDEV(opaque); | |
799f1f23 | 774 | int m = d->focus; |
a4afa548 | 775 | CharBackend *be = d->backends[m]; |
6f97dba0 AL |
776 | int i; |
777 | ||
a4afa548 | 778 | mux_chr_accept_input(opaque); |
6f97dba0 | 779 | |
a4afa548 | 780 | for (i = 0; i < size; i++) |
6f97dba0 | 781 | if (mux_proc_byte(chr, d, buf[i])) { |
a80bf99f | 782 | if (d->prod[m] == d->cons[m] && |
a4afa548 MAL |
783 | be && be->chr_can_read && |
784 | be->chr_can_read(be->opaque)) | |
785 | be->chr_read(be->opaque, &buf[i], 1); | |
6f97dba0 | 786 | else |
a80bf99f | 787 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
788 | } |
789 | } | |
790 | ||
fffbd9cf PB |
791 | static bool muxes_realized; |
792 | ||
6f97dba0 AL |
793 | static void mux_chr_event(void *opaque, int event) |
794 | { | |
777357d7 | 795 | MuxChardev *d = MUX_CHARDEV(opaque); |
6f97dba0 AL |
796 | int i; |
797 | ||
fffbd9cf PB |
798 | if (!muxes_realized) { |
799 | return; | |
800 | } | |
801 | ||
6f97dba0 AL |
802 | /* Send the event to all registered listeners */ |
803 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 804 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
805 | } |
806 | ||
7b7ab18d MR |
807 | /** |
808 | * Called after processing of default and command-line-specified | |
809 | * chardevs to deliver CHR_EVENT_OPENED events to any FEs attached | |
810 | * to a mux chardev. This is done here to ensure that | |
811 | * output/prompts/banners are only displayed for the FE that has | |
812 | * focus when initial command-line processing/machine init is | |
813 | * completed. | |
814 | * | |
815 | * After this point, any new FE attached to any new or existing | |
816 | * mux will receive CHR_EVENT_OPENED notifications for the BE | |
817 | * immediately. | |
818 | */ | |
819 | static void muxes_realize_done(Notifier *notifier, void *unused) | |
820 | { | |
0ec7b3e7 | 821 | Chardev *chr; |
7b7ab18d MR |
822 | |
823 | QTAILQ_FOREACH(chr, &chardevs, next) { | |
777357d7 MAL |
824 | if (CHARDEV_IS_MUX(chr)) { |
825 | MuxChardev *d = MUX_CHARDEV(chr); | |
7b7ab18d MR |
826 | int i; |
827 | ||
828 | /* send OPENED to all already-attached FEs */ | |
829 | for (i = 0; i < d->mux_cnt; i++) { | |
830 | mux_chr_send_event(d, i, CHR_EVENT_OPENED); | |
831 | } | |
832 | /* mark mux as OPENED so any new FEs will immediately receive | |
833 | * OPENED event | |
834 | */ | |
835 | qemu_chr_be_generic_open(chr); | |
836 | } | |
837 | } | |
838 | muxes_realized = true; | |
839 | } | |
840 | ||
841 | static Notifier muxes_realize_notify = { | |
842 | .notify = muxes_realize_done, | |
843 | }; | |
844 | ||
0ec7b3e7 | 845 | static GSource *mux_chr_add_watch(Chardev *s, GIOCondition cond) |
3f0838ab | 846 | { |
777357d7 | 847 | MuxChardev *d = MUX_CHARDEV(s); |
0ec7b3e7 | 848 | Chardev *chr = qemu_chr_fe_get_driver(&d->chr); |
777357d7 | 849 | ChardevClass *cc = CHARDEV_GET_CLASS(chr); |
5345fdb4 | 850 | |
777357d7 | 851 | if (!cc->chr_add_watch) { |
b68e956a MAL |
852 | return NULL; |
853 | } | |
854 | ||
777357d7 | 855 | return cc->chr_add_watch(chr, cond); |
3f0838ab KB |
856 | } |
857 | ||
980d0414 | 858 | static void char_mux_finalize(Object *obj) |
1371a369 | 859 | { |
980d0414 | 860 | MuxChardev *d = MUX_CHARDEV(obj); |
a4afa548 | 861 | int i; |
1371a369 | 862 | |
a4afa548 MAL |
863 | for (i = 0; i < d->mux_cnt; i++) { |
864 | CharBackend *be = d->backends[i]; | |
865 | if (be) { | |
866 | be->chr = NULL; | |
867 | } | |
868 | } | |
c39860e6 | 869 | qemu_chr_fe_deinit(&d->chr); |
1371a369 MAL |
870 | } |
871 | ||
0ec7b3e7 | 872 | static void mux_chr_set_handlers(Chardev *chr, GMainContext *context) |
6dfa8298 | 873 | { |
777357d7 | 874 | MuxChardev *d = MUX_CHARDEV(chr); |
6dfa8298 MAL |
875 | |
876 | /* Fix up the real driver with mux routines */ | |
ecb672d1 MAL |
877 | qemu_chr_fe_set_handlers(&d->chr, |
878 | mux_chr_can_read, | |
879 | mux_chr_read, | |
880 | mux_chr_event, | |
881 | chr, | |
39ab61c6 | 882 | context, true); |
6dfa8298 MAL |
883 | } |
884 | ||
0ec7b3e7 | 885 | static void mux_set_focus(Chardev *chr, int focus) |
6dfa8298 | 886 | { |
777357d7 | 887 | MuxChardev *d = MUX_CHARDEV(chr); |
fb5e19d2 | 888 | |
6dfa8298 MAL |
889 | assert(focus >= 0); |
890 | assert(focus < d->mux_cnt); | |
891 | ||
892 | if (d->focus != -1) { | |
893 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
894 | } | |
895 | ||
896 | d->focus = focus; | |
fb5e19d2 | 897 | chr->be = d->backends[focus]; |
6dfa8298 MAL |
898 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
899 | } | |
900 | ||
777357d7 MAL |
901 | static void qemu_chr_open_mux(Chardev *chr, |
902 | ChardevBackend *backend, | |
903 | bool *be_opened, | |
904 | Error **errp) | |
6f97dba0 | 905 | { |
32bafa8f | 906 | ChardevMux *mux = backend->u.mux.data; |
777357d7 MAL |
907 | Chardev *drv; |
908 | MuxChardev *d = MUX_CHARDEV(chr); | |
6f97dba0 | 909 | |
3c0e5a4a PB |
910 | drv = qemu_chr_find(mux->chardev); |
911 | if (drv == NULL) { | |
912 | error_setg(errp, "mux: base chardev %s not found", mux->chardev); | |
777357d7 | 913 | return; |
3c0e5a4a PB |
914 | } |
915 | ||
799f1f23 | 916 | d->focus = -1; |
7b7ab18d MR |
917 | /* only default to opened state if we've realized the initial |
918 | * set of muxes | |
919 | */ | |
82878dac | 920 | *be_opened = muxes_realized; |
777357d7 | 921 | qemu_chr_fe_init(&d->chr, drv, errp); |
6f97dba0 AL |
922 | } |
923 | ||
0ec7b3e7 | 924 | Chardev *qemu_chr_fe_get_driver(CharBackend *be) |
94a40fc5 MAL |
925 | { |
926 | return be->chr; | |
927 | } | |
928 | ||
0ec7b3e7 | 929 | bool qemu_chr_fe_init(CharBackend *b, Chardev *s, Error **errp) |
94a40fc5 MAL |
930 | { |
931 | int tag = 0; | |
932 | ||
777357d7 MAL |
933 | if (CHARDEV_IS_MUX(s)) { |
934 | MuxChardev *d = MUX_CHARDEV(s); | |
3aef23d7 MAL |
935 | |
936 | if (d->mux_cnt >= MAX_MUX) { | |
937 | goto unavailable; | |
94a40fc5 | 938 | } |
3aef23d7 MAL |
939 | |
940 | d->backends[d->mux_cnt] = b; | |
941 | tag = d->mux_cnt++; | |
942 | } else if (s->be) { | |
943 | goto unavailable; | |
a4afa548 MAL |
944 | } else { |
945 | s->be = b; | |
94a40fc5 MAL |
946 | } |
947 | ||
830896af | 948 | b->fe_open = false; |
94a40fc5 MAL |
949 | b->tag = tag; |
950 | b->chr = s; | |
94a40fc5 | 951 | return true; |
3aef23d7 MAL |
952 | |
953 | unavailable: | |
954 | error_setg(errp, QERR_DEVICE_IN_USE, s->label); | |
955 | return false; | |
94a40fc5 MAL |
956 | } |
957 | ||
0ec7b3e7 | 958 | static bool qemu_chr_is_busy(Chardev *s) |
a4afa548 | 959 | { |
777357d7 MAL |
960 | if (CHARDEV_IS_MUX(s)) { |
961 | MuxChardev *d = MUX_CHARDEV(s); | |
a4afa548 MAL |
962 | return d->mux_cnt >= 0; |
963 | } else { | |
964 | return s->be != NULL; | |
965 | } | |
966 | } | |
967 | ||
c39860e6 MAL |
968 | void qemu_chr_fe_deinit(CharBackend *b) |
969 | { | |
970 | assert(b); | |
971 | ||
972 | if (b->chr) { | |
39ab61c6 | 973 | qemu_chr_fe_set_handlers(b, NULL, NULL, NULL, NULL, NULL, true); |
fb5e19d2 MAL |
974 | if (b->chr->be == b) { |
975 | b->chr->be = NULL; | |
976 | } | |
777357d7 MAL |
977 | if (CHARDEV_IS_MUX(b->chr)) { |
978 | MuxChardev *d = MUX_CHARDEV(b->chr); | |
a4afa548 MAL |
979 | d->backends[b->tag] = NULL; |
980 | } | |
c39860e6 MAL |
981 | b->chr = NULL; |
982 | } | |
983 | } | |
984 | ||
94a40fc5 MAL |
985 | void qemu_chr_fe_set_handlers(CharBackend *b, |
986 | IOCanReadHandler *fd_can_read, | |
987 | IOReadHandler *fd_read, | |
988 | IOEventHandler *fd_event, | |
989 | void *opaque, | |
39ab61c6 MAL |
990 | GMainContext *context, |
991 | bool set_open) | |
94a40fc5 | 992 | { |
0ec7b3e7 | 993 | Chardev *s; |
777357d7 | 994 | ChardevClass *cc; |
386f07d1 MAL |
995 | int fe_open; |
996 | ||
997 | s = b->chr; | |
998 | if (!s) { | |
94a40fc5 MAL |
999 | return; |
1000 | } | |
1001 | ||
777357d7 | 1002 | cc = CHARDEV_GET_CLASS(s); |
386f07d1 MAL |
1003 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
1004 | fe_open = 0; | |
1005 | remove_fd_in_watch(s); | |
1006 | } else { | |
1007 | fe_open = 1; | |
1008 | } | |
a4afa548 MAL |
1009 | b->chr_can_read = fd_can_read; |
1010 | b->chr_read = fd_read; | |
1011 | b->chr_event = fd_event; | |
1012 | b->opaque = opaque; | |
777357d7 MAL |
1013 | if (cc->chr_update_read_handler) { |
1014 | cc->chr_update_read_handler(s, context); | |
386f07d1 MAL |
1015 | } |
1016 | ||
39ab61c6 | 1017 | if (set_open) { |
386f07d1 MAL |
1018 | qemu_chr_fe_set_open(b, fe_open); |
1019 | } | |
94a40fc5 | 1020 | |
386f07d1 MAL |
1021 | if (fe_open) { |
1022 | qemu_chr_fe_take_focus(b); | |
1023 | /* We're connecting to an already opened device, so let's make sure we | |
1024 | also get the open event */ | |
1025 | if (s->be_open) { | |
1026 | qemu_chr_be_generic_open(s); | |
1027 | } | |
1028 | } | |
1029 | ||
777357d7 | 1030 | if (CHARDEV_IS_MUX(s)) { |
386f07d1 | 1031 | mux_chr_set_handlers(s, context); |
94a40fc5 MAL |
1032 | } |
1033 | } | |
1034 | ||
1035 | void qemu_chr_fe_take_focus(CharBackend *b) | |
1036 | { | |
fa394ed6 MAL |
1037 | if (!b->chr) { |
1038 | return; | |
1039 | } | |
1040 | ||
777357d7 | 1041 | if (CHARDEV_IS_MUX(b->chr)) { |
fb5e19d2 | 1042 | mux_set_focus(b->chr, b->tag); |
94a40fc5 MAL |
1043 | } |
1044 | } | |
6f97dba0 | 1045 | |
96c63847 AL |
1046 | typedef struct IOWatchPoll |
1047 | { | |
d185c094 PB |
1048 | GSource parent; |
1049 | ||
9894dc0c | 1050 | QIOChannel *ioc; |
96c63847 | 1051 | GSource *src; |
96c63847 AL |
1052 | |
1053 | IOCanReadHandler *fd_can_read; | |
1e885b25 | 1054 | GSourceFunc fd_read; |
96c63847 | 1055 | void *opaque; |
e92aa36a | 1056 | GMainContext *context; |
96c63847 AL |
1057 | } IOWatchPoll; |
1058 | ||
96c63847 AL |
1059 | static IOWatchPoll *io_watch_poll_from_source(GSource *source) |
1060 | { | |
d185c094 | 1061 | return container_of(source, IOWatchPoll, parent); |
96c63847 AL |
1062 | } |
1063 | ||
e92aa36a ZC |
1064 | static gboolean io_watch_poll_prepare(GSource *source, |
1065 | gint *timeout_) | |
96c63847 AL |
1066 | { |
1067 | IOWatchPoll *iwp = io_watch_poll_from_source(source); | |
d185c094 | 1068 | bool now_active = iwp->fd_can_read(iwp->opaque) > 0; |
1e885b25 | 1069 | bool was_active = iwp->src != NULL; |
d185c094 | 1070 | if (was_active == now_active) { |
96c63847 AL |
1071 | return FALSE; |
1072 | } | |
1073 | ||
d185c094 | 1074 | if (now_active) { |
9894dc0c DB |
1075 | iwp->src = qio_channel_create_watch( |
1076 | iwp->ioc, G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL); | |
1e885b25 | 1077 | g_source_set_callback(iwp->src, iwp->fd_read, iwp->opaque, NULL); |
e92aa36a | 1078 | g_source_attach(iwp->src, iwp->context); |
d185c094 | 1079 | } else { |
1e885b25 PB |
1080 | g_source_destroy(iwp->src); |
1081 | g_source_unref(iwp->src); | |
1082 | iwp->src = NULL; | |
d185c094 PB |
1083 | } |
1084 | return FALSE; | |
96c63847 AL |
1085 | } |
1086 | ||
1087 | static gboolean io_watch_poll_check(GSource *source) | |
1088 | { | |
d185c094 | 1089 | return FALSE; |
96c63847 AL |
1090 | } |
1091 | ||
1092 | static gboolean io_watch_poll_dispatch(GSource *source, GSourceFunc callback, | |
1093 | gpointer user_data) | |
1094 | { | |
d185c094 | 1095 | abort(); |
96c63847 AL |
1096 | } |
1097 | ||
1098 | static void io_watch_poll_finalize(GSource *source) | |
1099 | { | |
2b316774 PB |
1100 | /* Due to a glib bug, removing the last reference to a source |
1101 | * inside a finalize callback causes recursive locking (and a | |
1102 | * deadlock). This is not a problem inside other callbacks, | |
1103 | * including dispatch callbacks, so we call io_remove_watch_poll | |
1104 | * to remove this source. At this point, iwp->src must | |
1105 | * be NULL, or we would leak it. | |
1106 | * | |
1107 | * This would be solved much more elegantly by child sources, | |
1108 | * but we support older glib versions that do not have them. | |
1109 | */ | |
96c63847 | 1110 | IOWatchPoll *iwp = io_watch_poll_from_source(source); |
2b316774 | 1111 | assert(iwp->src == NULL); |
96c63847 AL |
1112 | } |
1113 | ||
1114 | static GSourceFuncs io_watch_poll_funcs = { | |
1115 | .prepare = io_watch_poll_prepare, | |
1116 | .check = io_watch_poll_check, | |
1117 | .dispatch = io_watch_poll_dispatch, | |
1118 | .finalize = io_watch_poll_finalize, | |
1119 | }; | |
1120 | ||
1121 | /* Can only be used for read */ | |
0ec7b3e7 | 1122 | static guint io_add_watch_poll(Chardev *chr, |
e93a68e1 | 1123 | QIOChannel *ioc, |
96c63847 | 1124 | IOCanReadHandler *fd_can_read, |
9894dc0c | 1125 | QIOChannelFunc fd_read, |
e92aa36a ZC |
1126 | gpointer user_data, |
1127 | GMainContext *context) | |
96c63847 AL |
1128 | { |
1129 | IOWatchPoll *iwp; | |
0ca5aa4f | 1130 | int tag; |
e93a68e1 | 1131 | char *name; |
96c63847 | 1132 | |
e92aa36a ZC |
1133 | iwp = (IOWatchPoll *) g_source_new(&io_watch_poll_funcs, |
1134 | sizeof(IOWatchPoll)); | |
96c63847 AL |
1135 | iwp->fd_can_read = fd_can_read; |
1136 | iwp->opaque = user_data; | |
9894dc0c | 1137 | iwp->ioc = ioc; |
1e885b25 PB |
1138 | iwp->fd_read = (GSourceFunc) fd_read; |
1139 | iwp->src = NULL; | |
e92aa36a | 1140 | iwp->context = context; |
96c63847 | 1141 | |
e93a68e1 DB |
1142 | name = g_strdup_printf("chardev-iowatch-%s", chr->label); |
1143 | g_source_set_name((GSource *)iwp, name); | |
1144 | g_free(name); | |
1145 | ||
e92aa36a | 1146 | tag = g_source_attach(&iwp->parent, context); |
0ca5aa4f PB |
1147 | g_source_unref(&iwp->parent); |
1148 | return tag; | |
96c63847 AL |
1149 | } |
1150 | ||
2b316774 PB |
1151 | static void io_remove_watch_poll(guint tag) |
1152 | { | |
1153 | GSource *source; | |
1154 | IOWatchPoll *iwp; | |
1155 | ||
1156 | g_return_if_fail (tag > 0); | |
1157 | ||
1158 | source = g_main_context_find_source_by_id(NULL, tag); | |
1159 | g_return_if_fail (source != NULL); | |
1160 | ||
1161 | iwp = io_watch_poll_from_source(source); | |
1162 | if (iwp->src) { | |
1163 | g_source_destroy(iwp->src); | |
1164 | g_source_unref(iwp->src); | |
1165 | iwp->src = NULL; | |
1166 | } | |
1167 | g_source_destroy(&iwp->parent); | |
1168 | } | |
1169 | ||
0ec7b3e7 | 1170 | static void remove_fd_in_watch(Chardev *chr) |
26da70c7 AS |
1171 | { |
1172 | if (chr->fd_in_tag) { | |
1173 | io_remove_watch_poll(chr->fd_in_tag); | |
1174 | chr->fd_in_tag = 0; | |
1175 | } | |
1176 | } | |
1177 | ||
96c63847 | 1178 | |
9894dc0c DB |
1179 | static int io_channel_send_full(QIOChannel *ioc, |
1180 | const void *buf, size_t len, | |
1181 | int *fds, size_t nfds) | |
76a9644b | 1182 | { |
9894dc0c | 1183 | size_t offset = 0; |
76a9644b | 1184 | |
9894dc0c DB |
1185 | while (offset < len) { |
1186 | ssize_t ret = 0; | |
1187 | struct iovec iov = { .iov_base = (char *)buf + offset, | |
1188 | .iov_len = len - offset }; | |
1189 | ||
1190 | ret = qio_channel_writev_full( | |
1191 | ioc, &iov, 1, | |
1192 | fds, nfds, NULL); | |
1193 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
9894dc0c DB |
1194 | if (offset) { |
1195 | return offset; | |
1196 | } | |
76a9644b | 1197 | |
e046fb44 DB |
1198 | errno = EAGAIN; |
1199 | return -1; | |
1200 | } else if (ret < 0) { | |
9894dc0c DB |
1201 | errno = EINVAL; |
1202 | return -1; | |
1203 | } | |
76a9644b | 1204 | |
9894dc0c DB |
1205 | offset += ret; |
1206 | } | |
76a9644b | 1207 | |
9894dc0c | 1208 | return offset; |
76a9644b AL |
1209 | } |
1210 | ||
9894dc0c | 1211 | |
0ff0fad2 | 1212 | #ifndef _WIN32 |
9894dc0c | 1213 | static int io_channel_send(QIOChannel *ioc, const void *buf, size_t len) |
96c63847 | 1214 | { |
9894dc0c | 1215 | return io_channel_send_full(ioc, buf, len, NULL, 0); |
96c63847 | 1216 | } |
96c63847 | 1217 | |
0ec7b3e7 MAL |
1218 | typedef struct FDChardev { |
1219 | Chardev parent; | |
1220 | Chardev *chr; | |
9894dc0c | 1221 | QIOChannel *ioc_in, *ioc_out; |
6f97dba0 | 1222 | int max_size; |
0ec7b3e7 | 1223 | } FDChardev; |
6f97dba0 | 1224 | |
777357d7 MAL |
1225 | #define TYPE_CHARDEV_FD "chardev-fd" |
1226 | #define FD_CHARDEV(obj) OBJECT_CHECK(FDChardev, (obj), TYPE_CHARDEV_FD) | |
1227 | ||
9005b2a7 | 1228 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 1229 | static int fd_chr_write(Chardev *chr, const uint8_t *buf, int len) |
6f97dba0 | 1230 | { |
777357d7 | 1231 | FDChardev *s = FD_CHARDEV(chr); |
41ac54b2 | 1232 | |
9894dc0c | 1233 | return io_channel_send(s->ioc_out, buf, len); |
6f97dba0 AL |
1234 | } |
1235 | ||
9894dc0c | 1236 | static gboolean fd_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 | 1237 | { |
777357d7 MAL |
1238 | Chardev *chr = CHARDEV(opaque); |
1239 | FDChardev *s = FD_CHARDEV(opaque); | |
a29753f8 | 1240 | int len; |
9bd7854e | 1241 | uint8_t buf[READ_BUF_LEN]; |
9894dc0c | 1242 | ssize_t ret; |
6f97dba0 AL |
1243 | |
1244 | len = sizeof(buf); | |
a29753f8 | 1245 | if (len > s->max_size) { |
6f97dba0 | 1246 | len = s->max_size; |
a29753f8 AL |
1247 | } |
1248 | if (len == 0) { | |
cdbf6e16 | 1249 | return TRUE; |
a29753f8 AL |
1250 | } |
1251 | ||
9894dc0c DB |
1252 | ret = qio_channel_read( |
1253 | chan, (gchar *)buf, len, NULL); | |
1254 | if (ret == 0) { | |
26da70c7 | 1255 | remove_fd_in_watch(chr); |
a425d23f | 1256 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
a29753f8 | 1257 | return FALSE; |
6f97dba0 | 1258 | } |
9894dc0c DB |
1259 | if (ret > 0) { |
1260 | qemu_chr_be_write(chr, buf, ret); | |
6f97dba0 | 1261 | } |
a29753f8 AL |
1262 | |
1263 | return TRUE; | |
1264 | } | |
1265 | ||
1266 | static int fd_chr_read_poll(void *opaque) | |
1267 | { | |
777357d7 MAL |
1268 | Chardev *chr = CHARDEV(opaque); |
1269 | FDChardev *s = FD_CHARDEV(opaque); | |
a29753f8 AL |
1270 | |
1271 | s->max_size = qemu_chr_be_can_write(chr); | |
1272 | return s->max_size; | |
6f97dba0 AL |
1273 | } |
1274 | ||
0ec7b3e7 | 1275 | static GSource *fd_chr_add_watch(Chardev *chr, GIOCondition cond) |
23673ca7 | 1276 | { |
777357d7 | 1277 | FDChardev *s = FD_CHARDEV(chr); |
9894dc0c | 1278 | return qio_channel_create_watch(s->ioc_out, cond); |
23673ca7 AL |
1279 | } |
1280 | ||
0ec7b3e7 | 1281 | static void fd_chr_update_read_handler(Chardev *chr, |
a4afa548 | 1282 | GMainContext *context) |
6f97dba0 | 1283 | { |
777357d7 | 1284 | FDChardev *s = FD_CHARDEV(chr); |
6f97dba0 | 1285 | |
26da70c7 | 1286 | remove_fd_in_watch(chr); |
9894dc0c | 1287 | if (s->ioc_in) { |
e93a68e1 | 1288 | chr->fd_in_tag = io_add_watch_poll(chr, s->ioc_in, |
9894dc0c | 1289 | fd_chr_read_poll, |
e92aa36a ZC |
1290 | fd_chr_read, chr, |
1291 | context); | |
6f97dba0 AL |
1292 | } |
1293 | } | |
1294 | ||
7f2fe073 | 1295 | static void char_fd_finalize(Object *obj) |
6f97dba0 | 1296 | { |
7f2fe073 MAL |
1297 | Chardev *chr = CHARDEV(obj); |
1298 | FDChardev *s = FD_CHARDEV(obj); | |
6f97dba0 | 1299 | |
26da70c7 | 1300 | remove_fd_in_watch(chr); |
9894dc0c DB |
1301 | if (s->ioc_in) { |
1302 | object_unref(OBJECT(s->ioc_in)); | |
a29753f8 | 1303 | } |
9894dc0c DB |
1304 | if (s->ioc_out) { |
1305 | object_unref(OBJECT(s->ioc_out)); | |
6f97dba0 AL |
1306 | } |
1307 | ||
a425d23f | 1308 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1309 | } |
1310 | ||
1311 | /* open a character device to a unix fd */ | |
777357d7 MAL |
1312 | static void qemu_chr_open_fd(Chardev *chr, |
1313 | int fd_in, int fd_out) | |
6f97dba0 | 1314 | { |
777357d7 | 1315 | FDChardev *s = FD_CHARDEV(chr); |
e93a68e1 | 1316 | char *name; |
6f97dba0 | 1317 | |
9894dc0c | 1318 | s->ioc_in = QIO_CHANNEL(qio_channel_file_new_fd(fd_in)); |
e93a68e1 DB |
1319 | name = g_strdup_printf("chardev-file-in-%s", chr->label); |
1320 | qio_channel_set_name(QIO_CHANNEL(s->ioc_in), name); | |
1321 | g_free(name); | |
9894dc0c | 1322 | s->ioc_out = QIO_CHANNEL(qio_channel_file_new_fd(fd_out)); |
e93a68e1 DB |
1323 | name = g_strdup_printf("chardev-file-out-%s", chr->label); |
1324 | qio_channel_set_name(QIO_CHANNEL(s->ioc_out), name); | |
1325 | g_free(name); | |
4ff12bdb | 1326 | qemu_set_nonblock(fd_out); |
a29753f8 | 1327 | s->chr = chr; |
777357d7 | 1328 | } |
6f97dba0 | 1329 | |
777357d7 MAL |
1330 | static void char_fd_class_init(ObjectClass *oc, void *data) |
1331 | { | |
1332 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
1333 | ||
1334 | cc->chr_add_watch = fd_chr_add_watch; | |
1335 | cc->chr_write = fd_chr_write; | |
1336 | cc->chr_update_read_handler = fd_chr_update_read_handler; | |
6f97dba0 AL |
1337 | } |
1338 | ||
777357d7 MAL |
1339 | static const TypeInfo char_fd_type_info = { |
1340 | .name = TYPE_CHARDEV_FD, | |
1341 | .parent = TYPE_CHARDEV, | |
1342 | .instance_size = sizeof(FDChardev), | |
7f2fe073 | 1343 | .instance_finalize = char_fd_finalize, |
777357d7 MAL |
1344 | .class_init = char_fd_class_init, |
1345 | .abstract = true, | |
1346 | }; | |
1347 | ||
1348 | static void qemu_chr_open_pipe(Chardev *chr, | |
1349 | ChardevBackend *backend, | |
1350 | bool *be_opened, | |
1351 | Error **errp) | |
6f97dba0 | 1352 | { |
32bafa8f | 1353 | ChardevHostdev *opts = backend->u.pipe.data; |
6f97dba0 | 1354 | int fd_in, fd_out; |
0ff0fad2 DB |
1355 | char *filename_in; |
1356 | char *filename_out; | |
548cbb36 | 1357 | const char *filename = opts->device; |
0ff0fad2 DB |
1358 | |
1359 | filename_in = g_strdup_printf("%s.in", filename); | |
1360 | filename_out = g_strdup_printf("%s.out", filename); | |
40ff6d7e KW |
1361 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
1362 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
0ff0fad2 DB |
1363 | g_free(filename_in); |
1364 | g_free(filename_out); | |
6f97dba0 AL |
1365 | if (fd_in < 0 || fd_out < 0) { |
1366 | if (fd_in >= 0) | |
1367 | close(fd_in); | |
1368 | if (fd_out >= 0) | |
1369 | close(fd_out); | |
b181e047 | 1370 | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
a89dd6c3 | 1371 | if (fd_in < 0) { |
20cbe7a2 | 1372 | error_setg_file_open(errp, errno, filename); |
777357d7 | 1373 | return; |
a89dd6c3 | 1374 | } |
6f97dba0 | 1375 | } |
777357d7 | 1376 | qemu_chr_open_fd(chr, fd_in, fd_out); |
6f97dba0 AL |
1377 | } |
1378 | ||
6f97dba0 AL |
1379 | /* init terminal so that we can grab keys */ |
1380 | static struct termios oldtty; | |
1381 | static int old_fd0_flags; | |
c88930a6 | 1382 | static bool stdio_in_use; |
bb002513 | 1383 | static bool stdio_allow_signal; |
e76d4420 GH |
1384 | static bool stdio_echo_state; |
1385 | ||
0ec7b3e7 | 1386 | static void qemu_chr_set_echo_stdio(Chardev *chr, bool echo); |
6f97dba0 AL |
1387 | |
1388 | static void term_exit(void) | |
1389 | { | |
1390 | tcsetattr (0, TCSANOW, &oldtty); | |
1391 | fcntl(0, F_SETFL, old_fd0_flags); | |
1392 | } | |
1393 | ||
e76d4420 GH |
1394 | static void term_stdio_handler(int sig) |
1395 | { | |
1396 | /* restore echo after resume from suspend. */ | |
1397 | qemu_chr_set_echo_stdio(NULL, stdio_echo_state); | |
1398 | } | |
1399 | ||
0ec7b3e7 | 1400 | static void qemu_chr_set_echo_stdio(Chardev *chr, bool echo) |
6f97dba0 AL |
1401 | { |
1402 | struct termios tty; | |
1403 | ||
e76d4420 | 1404 | stdio_echo_state = echo; |
0369364b | 1405 | tty = oldtty; |
bb002513 PB |
1406 | if (!echo) { |
1407 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 1408 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
1409 | tty.c_oflag |= OPOST; |
1410 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1411 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1412 | tty.c_cflag |= CS8; | |
1413 | tty.c_cc[VMIN] = 1; | |
1414 | tty.c_cc[VTIME] = 0; | |
1415 | } | |
bb002513 | 1416 | if (!stdio_allow_signal) |
6f97dba0 | 1417 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
1418 | |
1419 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
1420 | } |
1421 | ||
4d833ada | 1422 | static void char_stdio_finalize(Object *obj) |
6f97dba0 AL |
1423 | { |
1424 | term_exit(); | |
6f97dba0 AL |
1425 | } |
1426 | ||
777357d7 MAL |
1427 | static void qemu_chr_open_stdio(Chardev *chr, |
1428 | ChardevBackend *backend, | |
1429 | bool *be_opened, | |
1430 | Error **errp) | |
6f97dba0 | 1431 | { |
32bafa8f | 1432 | ChardevStdio *opts = backend->u.stdio.data; |
e76d4420 | 1433 | struct sigaction act; |
6f97dba0 | 1434 | |
ab51b1d5 | 1435 | if (is_daemonized()) { |
8c84b25d | 1436 | error_setg(errp, "cannot use stdio with -daemonize"); |
777357d7 | 1437 | return; |
ab51b1d5 | 1438 | } |
c88930a6 LL |
1439 | |
1440 | if (stdio_in_use) { | |
8c84b25d | 1441 | error_setg(errp, "cannot use stdio by multiple character devices"); |
777357d7 | 1442 | return; |
c88930a6 LL |
1443 | } |
1444 | ||
1445 | stdio_in_use = true; | |
ed7a1540 | 1446 | old_fd0_flags = fcntl(0, F_GETFL); |
c88930a6 | 1447 | tcgetattr(0, &oldtty); |
4ff12bdb | 1448 | qemu_set_nonblock(0); |
ed7a1540 | 1449 | atexit(term_exit); |
0369364b | 1450 | |
e76d4420 GH |
1451 | memset(&act, 0, sizeof(act)); |
1452 | act.sa_handler = term_stdio_handler; | |
1453 | sigaction(SIGCONT, &act, NULL); | |
1454 | ||
777357d7 MAL |
1455 | qemu_chr_open_fd(chr, 0, 1); |
1456 | ||
7c358031 GH |
1457 | if (opts->has_signal) { |
1458 | stdio_allow_signal = opts->signal; | |
1459 | } | |
5345fdb4 | 1460 | qemu_chr_set_echo_stdio(chr, false); |
6f97dba0 AL |
1461 | } |
1462 | ||
6f97dba0 | 1463 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
a167ba50 AJ |
1464 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
1465 | || defined(__GLIBC__) | |
6f97dba0 | 1466 | |
d809ab95 PB |
1467 | #define HAVE_CHARDEV_SERIAL 1 |
1468 | #define HAVE_CHARDEV_PTY 1 | |
e551498e | 1469 | |
6f97dba0 | 1470 | typedef struct { |
0ec7b3e7 | 1471 | Chardev parent; |
9894dc0c | 1472 | QIOChannel *ioc; |
6f97dba0 | 1473 | int read_bytes; |
9005b2a7 | 1474 | |
0ec7b3e7 | 1475 | /* Protected by the Chardev chr_write_lock. */ |
9005b2a7 | 1476 | int connected; |
8aa33caf | 1477 | guint timer_tag; |
7b3621f4 | 1478 | guint open_tag; |
0ec7b3e7 | 1479 | } PtyChardev; |
6f97dba0 | 1480 | |
777357d7 MAL |
1481 | #define PTY_CHARDEV(obj) OBJECT_CHECK(PtyChardev, (obj), TYPE_CHARDEV_PTY) |
1482 | ||
0ec7b3e7 MAL |
1483 | static void pty_chr_update_read_handler_locked(Chardev *chr); |
1484 | static void pty_chr_state(Chardev *chr, int connected); | |
6f97dba0 | 1485 | |
8aa33caf AL |
1486 | static gboolean pty_chr_timer(gpointer opaque) |
1487 | { | |
777357d7 MAL |
1488 | struct Chardev *chr = CHARDEV(opaque); |
1489 | PtyChardev *s = PTY_CHARDEV(opaque); | |
8aa33caf | 1490 | |
9005b2a7 | 1491 | qemu_mutex_lock(&chr->chr_write_lock); |
79f20075 | 1492 | s->timer_tag = 0; |
7b3621f4 | 1493 | s->open_tag = 0; |
b0d768c3 GH |
1494 | if (!s->connected) { |
1495 | /* Next poll ... */ | |
9005b2a7 | 1496 | pty_chr_update_read_handler_locked(chr); |
b0d768c3 | 1497 | } |
9005b2a7 | 1498 | qemu_mutex_unlock(&chr->chr_write_lock); |
8aa33caf AL |
1499 | return FALSE; |
1500 | } | |
1501 | ||
9005b2a7 | 1502 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 1503 | static void pty_chr_rearm_timer(Chardev *chr, int ms) |
8aa33caf | 1504 | { |
777357d7 | 1505 | PtyChardev *s = PTY_CHARDEV(chr); |
e93a68e1 | 1506 | char *name; |
8aa33caf AL |
1507 | |
1508 | if (s->timer_tag) { | |
1509 | g_source_remove(s->timer_tag); | |
1510 | s->timer_tag = 0; | |
1511 | } | |
1512 | ||
1513 | if (ms == 1000) { | |
e93a68e1 | 1514 | name = g_strdup_printf("pty-timer-secs-%s", chr->label); |
8aa33caf AL |
1515 | s->timer_tag = g_timeout_add_seconds(1, pty_chr_timer, chr); |
1516 | } else { | |
e93a68e1 | 1517 | name = g_strdup_printf("pty-timer-ms-%s", chr->label); |
8aa33caf AL |
1518 | s->timer_tag = g_timeout_add(ms, pty_chr_timer, chr); |
1519 | } | |
e93a68e1 DB |
1520 | g_source_set_name_by_id(s->timer_tag, name); |
1521 | g_free(name); | |
8aa33caf AL |
1522 | } |
1523 | ||
9005b2a7 | 1524 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 1525 | static void pty_chr_update_read_handler_locked(Chardev *chr) |
1bb7fe72 | 1526 | { |
777357d7 | 1527 | PtyChardev *s = PTY_CHARDEV(chr); |
1bb7fe72 | 1528 | GPollFD pfd; |
c1f24489 | 1529 | int rc; |
9894dc0c | 1530 | QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc); |
1bb7fe72 | 1531 | |
9894dc0c | 1532 | pfd.fd = fioc->fd; |
1bb7fe72 PB |
1533 | pfd.events = G_IO_OUT; |
1534 | pfd.revents = 0; | |
c1f24489 PB |
1535 | do { |
1536 | rc = g_poll(&pfd, 1, 0); | |
1537 | } while (rc == -1 && errno == EINTR); | |
1538 | assert(rc >= 0); | |
1539 | ||
1bb7fe72 PB |
1540 | if (pfd.revents & G_IO_HUP) { |
1541 | pty_chr_state(chr, 0); | |
1542 | } else { | |
1543 | pty_chr_state(chr, 1); | |
1544 | } | |
1545 | } | |
1546 | ||
0ec7b3e7 | 1547 | static void pty_chr_update_read_handler(Chardev *chr, |
a4afa548 | 1548 | GMainContext *context) |
9005b2a7 PB |
1549 | { |
1550 | qemu_mutex_lock(&chr->chr_write_lock); | |
1551 | pty_chr_update_read_handler_locked(chr); | |
1552 | qemu_mutex_unlock(&chr->chr_write_lock); | |
1553 | } | |
1554 | ||
1555 | /* Called with chr_write_lock held. */ | |
777357d7 | 1556 | static int char_pty_chr_write(Chardev *chr, const uint8_t *buf, int len) |
6f97dba0 | 1557 | { |
777357d7 | 1558 | PtyChardev *s = PTY_CHARDEV(chr); |
6f97dba0 AL |
1559 | |
1560 | if (!s->connected) { | |
1561 | /* guest sends data, check for (re-)connect */ | |
9005b2a7 | 1562 | pty_chr_update_read_handler_locked(chr); |
cf7330c7 ST |
1563 | if (!s->connected) { |
1564 | return 0; | |
1565 | } | |
6f97dba0 | 1566 | } |
9894dc0c | 1567 | return io_channel_send(s->ioc, buf, len); |
6f97dba0 AL |
1568 | } |
1569 | ||
0ec7b3e7 | 1570 | static GSource *pty_chr_add_watch(Chardev *chr, GIOCondition cond) |
e6a87ed8 | 1571 | { |
777357d7 | 1572 | PtyChardev *s = PTY_CHARDEV(chr); |
62c339c5 PB |
1573 | if (!s->connected) { |
1574 | return NULL; | |
1575 | } | |
9894dc0c | 1576 | return qio_channel_create_watch(s->ioc, cond); |
e6a87ed8 AL |
1577 | } |
1578 | ||
6f97dba0 AL |
1579 | static int pty_chr_read_poll(void *opaque) |
1580 | { | |
777357d7 MAL |
1581 | Chardev *chr = CHARDEV(opaque); |
1582 | PtyChardev *s = PTY_CHARDEV(opaque); | |
6f97dba0 | 1583 | |
909cda12 | 1584 | s->read_bytes = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
1585 | return s->read_bytes; |
1586 | } | |
1587 | ||
9894dc0c | 1588 | static gboolean pty_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 | 1589 | { |
777357d7 MAL |
1590 | Chardev *chr = CHARDEV(opaque); |
1591 | PtyChardev *s = PTY_CHARDEV(opaque); | |
9894dc0c | 1592 | gsize len; |
9bd7854e | 1593 | uint8_t buf[READ_BUF_LEN]; |
9894dc0c | 1594 | ssize_t ret; |
6f97dba0 AL |
1595 | |
1596 | len = sizeof(buf); | |
1597 | if (len > s->read_bytes) | |
1598 | len = s->read_bytes; | |
cdbf6e16 PB |
1599 | if (len == 0) { |
1600 | return TRUE; | |
1601 | } | |
9894dc0c DB |
1602 | ret = qio_channel_read(s->ioc, (char *)buf, len, NULL); |
1603 | if (ret <= 0) { | |
6f97dba0 | 1604 | pty_chr_state(chr, 0); |
093d3a20 AL |
1605 | return FALSE; |
1606 | } else { | |
6f97dba0 | 1607 | pty_chr_state(chr, 1); |
9894dc0c | 1608 | qemu_chr_be_write(chr, buf, ret); |
6f97dba0 | 1609 | } |
093d3a20 | 1610 | return TRUE; |
6f97dba0 AL |
1611 | } |
1612 | ||
7b3621f4 PB |
1613 | static gboolean qemu_chr_be_generic_open_func(gpointer opaque) |
1614 | { | |
777357d7 MAL |
1615 | Chardev *chr = CHARDEV(opaque); |
1616 | PtyChardev *s = PTY_CHARDEV(opaque); | |
7b3621f4 PB |
1617 | |
1618 | s->open_tag = 0; | |
1619 | qemu_chr_be_generic_open(chr); | |
1620 | return FALSE; | |
1621 | } | |
1622 | ||
9005b2a7 | 1623 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 1624 | static void pty_chr_state(Chardev *chr, int connected) |
6f97dba0 | 1625 | { |
777357d7 | 1626 | PtyChardev *s = PTY_CHARDEV(chr); |
6f97dba0 AL |
1627 | |
1628 | if (!connected) { | |
7b3621f4 PB |
1629 | if (s->open_tag) { |
1630 | g_source_remove(s->open_tag); | |
1631 | s->open_tag = 0; | |
1632 | } | |
26da70c7 | 1633 | remove_fd_in_watch(chr); |
6f97dba0 | 1634 | s->connected = 0; |
6f97dba0 AL |
1635 | /* (re-)connect poll interval for idle guests: once per second. |
1636 | * We check more frequently in case the guests sends data to | |
1637 | * the virtual device linked to our pty. */ | |
8aa33caf | 1638 | pty_chr_rearm_timer(chr, 1000); |
6f97dba0 | 1639 | } else { |
85a67692 PB |
1640 | if (s->timer_tag) { |
1641 | g_source_remove(s->timer_tag); | |
1642 | s->timer_tag = 0; | |
1643 | } | |
1644 | if (!s->connected) { | |
7b3621f4 | 1645 | g_assert(s->open_tag == 0); |
85a67692 | 1646 | s->connected = 1; |
7b3621f4 | 1647 | s->open_tag = g_idle_add(qemu_chr_be_generic_open_func, chr); |
ac1b84dd GH |
1648 | } |
1649 | if (!chr->fd_in_tag) { | |
e93a68e1 | 1650 | chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, |
9894dc0c | 1651 | pty_chr_read_poll, |
e92aa36a ZC |
1652 | pty_chr_read, |
1653 | chr, NULL); | |
85a67692 | 1654 | } |
6f97dba0 AL |
1655 | } |
1656 | } | |
1657 | ||
fa943b5e | 1658 | static void char_pty_finalize(Object *obj) |
6f97dba0 | 1659 | { |
fa943b5e MAL |
1660 | Chardev *chr = CHARDEV(obj); |
1661 | PtyChardev *s = PTY_CHARDEV(obj); | |
6f97dba0 | 1662 | |
7b3621f4 PB |
1663 | qemu_mutex_lock(&chr->chr_write_lock); |
1664 | pty_chr_state(chr, 0); | |
9894dc0c | 1665 | object_unref(OBJECT(s->ioc)); |
8aa33caf AL |
1666 | if (s->timer_tag) { |
1667 | g_source_remove(s->timer_tag); | |
910b6368 | 1668 | s->timer_tag = 0; |
8aa33caf | 1669 | } |
7b3621f4 | 1670 | qemu_mutex_unlock(&chr->chr_write_lock); |
a425d23f | 1671 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1672 | } |
1673 | ||
777357d7 MAL |
1674 | static void char_pty_open(Chardev *chr, |
1675 | ChardevBackend *backend, | |
1676 | bool *be_opened, | |
1677 | Error **errp) | |
6f97dba0 | 1678 | { |
0ec7b3e7 | 1679 | PtyChardev *s; |
e68c5958 | 1680 | int master_fd, slave_fd; |
6f97dba0 | 1681 | char pty_name[PATH_MAX]; |
e93a68e1 | 1682 | char *name; |
6f97dba0 | 1683 | |
4efeabbb MT |
1684 | master_fd = qemu_openpty_raw(&slave_fd, pty_name); |
1685 | if (master_fd < 0) { | |
c2e75a43 | 1686 | error_setg_errno(errp, errno, "Failed to create PTY"); |
777357d7 | 1687 | return; |
6f97dba0 AL |
1688 | } |
1689 | ||
837a183f | 1690 | close(slave_fd); |
fac6688a | 1691 | qemu_set_nonblock(master_fd); |
6f97dba0 | 1692 | |
4efeabbb | 1693 | chr->filename = g_strdup_printf("pty:%s", pty_name); |
776a32a0 | 1694 | error_report("char device redirected to %s (label %s)", |
777357d7 | 1695 | pty_name, chr->label); |
6f97dba0 | 1696 | |
777357d7 | 1697 | s = PTY_CHARDEV(chr); |
9894dc0c | 1698 | s->ioc = QIO_CHANNEL(qio_channel_file_new_fd(master_fd)); |
e93a68e1 DB |
1699 | name = g_strdup_printf("chardev-pty-%s", chr->label); |
1700 | qio_channel_set_name(QIO_CHANNEL(s->ioc), name); | |
1701 | g_free(name); | |
8aa33caf | 1702 | s->timer_tag = 0; |
41ac54b2 | 1703 | *be_opened = false; |
6f97dba0 AL |
1704 | } |
1705 | ||
777357d7 MAL |
1706 | static void char_pty_class_init(ObjectClass *oc, void *data) |
1707 | { | |
1708 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
1709 | ||
1710 | cc->open = char_pty_open; | |
1711 | cc->chr_write = char_pty_chr_write; | |
1712 | cc->chr_update_read_handler = pty_chr_update_read_handler; | |
1713 | cc->chr_add_watch = pty_chr_add_watch; | |
777357d7 MAL |
1714 | } |
1715 | ||
1716 | static const TypeInfo char_pty_type_info = { | |
1717 | .name = TYPE_CHARDEV_PTY, | |
1718 | .parent = TYPE_CHARDEV, | |
1719 | .instance_size = sizeof(PtyChardev), | |
fa943b5e | 1720 | .instance_finalize = char_pty_finalize, |
777357d7 | 1721 | .class_init = char_pty_class_init, |
b68e956a MAL |
1722 | }; |
1723 | ||
6f97dba0 AL |
1724 | static void tty_serial_init(int fd, int speed, |
1725 | int parity, int data_bits, int stop_bits) | |
1726 | { | |
1727 | struct termios tty; | |
1728 | speed_t spd; | |
1729 | ||
1730 | #if 0 | |
1731 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1732 | speed, parity, data_bits, stop_bits); | |
1733 | #endif | |
1734 | tcgetattr (fd, &tty); | |
1735 | ||
45eea13b SW |
1736 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1737 | speed = speed * 10 / 11; | |
1738 | do { | |
1739 | check_speed(50); | |
1740 | check_speed(75); | |
1741 | check_speed(110); | |
1742 | check_speed(134); | |
1743 | check_speed(150); | |
1744 | check_speed(200); | |
1745 | check_speed(300); | |
1746 | check_speed(600); | |
1747 | check_speed(1200); | |
1748 | check_speed(1800); | |
1749 | check_speed(2400); | |
1750 | check_speed(4800); | |
1751 | check_speed(9600); | |
1752 | check_speed(19200); | |
1753 | check_speed(38400); | |
1754 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1755 | check_speed(57600); | |
1756 | check_speed(115200); | |
1757 | #ifdef B230400 | |
1758 | check_speed(230400); | |
1759 | #endif | |
1760 | #ifdef B460800 | |
1761 | check_speed(460800); | |
1762 | #endif | |
1763 | #ifdef B500000 | |
1764 | check_speed(500000); | |
1765 | #endif | |
1766 | #ifdef B576000 | |
1767 | check_speed(576000); | |
1768 | #endif | |
1769 | #ifdef B921600 | |
1770 | check_speed(921600); | |
1771 | #endif | |
1772 | #ifdef B1000000 | |
1773 | check_speed(1000000); | |
1774 | #endif | |
1775 | #ifdef B1152000 | |
1776 | check_speed(1152000); | |
1777 | #endif | |
1778 | #ifdef B1500000 | |
1779 | check_speed(1500000); | |
1780 | #endif | |
1781 | #ifdef B2000000 | |
1782 | check_speed(2000000); | |
1783 | #endif | |
1784 | #ifdef B2500000 | |
1785 | check_speed(2500000); | |
1786 | #endif | |
1787 | #ifdef B3000000 | |
1788 | check_speed(3000000); | |
1789 | #endif | |
1790 | #ifdef B3500000 | |
1791 | check_speed(3500000); | |
1792 | #endif | |
1793 | #ifdef B4000000 | |
1794 | check_speed(4000000); | |
1795 | #endif | |
6f97dba0 | 1796 | spd = B115200; |
45eea13b | 1797 | } while (0); |
6f97dba0 AL |
1798 | |
1799 | cfsetispeed(&tty, spd); | |
1800 | cfsetospeed(&tty, spd); | |
1801 | ||
1802 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1803 | |INLCR|IGNCR|ICRNL|IXON); | |
1804 | tty.c_oflag |= OPOST; | |
1805 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1806 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1807 | switch(data_bits) { | |
1808 | default: | |
1809 | case 8: | |
1810 | tty.c_cflag |= CS8; | |
1811 | break; | |
1812 | case 7: | |
1813 | tty.c_cflag |= CS7; | |
1814 | break; | |
1815 | case 6: | |
1816 | tty.c_cflag |= CS6; | |
1817 | break; | |
1818 | case 5: | |
1819 | tty.c_cflag |= CS5; | |
1820 | break; | |
1821 | } | |
1822 | switch(parity) { | |
1823 | default: | |
1824 | case 'N': | |
1825 | break; | |
1826 | case 'E': | |
1827 | tty.c_cflag |= PARENB; | |
1828 | break; | |
1829 | case 'O': | |
1830 | tty.c_cflag |= PARENB | PARODD; | |
1831 | break; | |
1832 | } | |
1833 | if (stop_bits == 2) | |
1834 | tty.c_cflag |= CSTOPB; | |
1835 | ||
1836 | tcsetattr (fd, TCSANOW, &tty); | |
1837 | } | |
1838 | ||
0ec7b3e7 | 1839 | static int tty_serial_ioctl(Chardev *chr, int cmd, void *arg) |
6f97dba0 | 1840 | { |
777357d7 | 1841 | FDChardev *s = FD_CHARDEV(chr); |
9894dc0c | 1842 | QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc_in); |
6f97dba0 AL |
1843 | |
1844 | switch(cmd) { | |
1845 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1846 | { | |
1847 | QEMUSerialSetParams *ssp = arg; | |
9894dc0c | 1848 | tty_serial_init(fioc->fd, |
a29753f8 | 1849 | ssp->speed, ssp->parity, |
6f97dba0 AL |
1850 | ssp->data_bits, ssp->stop_bits); |
1851 | } | |
1852 | break; | |
1853 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1854 | { | |
1855 | int enable = *(int *)arg; | |
a29753f8 | 1856 | if (enable) { |
9894dc0c | 1857 | tcsendbreak(fioc->fd, 1); |
a29753f8 | 1858 | } |
6f97dba0 AL |
1859 | } |
1860 | break; | |
1861 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1862 | { | |
1863 | int sarg = 0; | |
1864 | int *targ = (int *)arg; | |
9894dc0c | 1865 | ioctl(fioc->fd, TIOCMGET, &sarg); |
6f97dba0 | 1866 | *targ = 0; |
b4abdfa4 | 1867 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1868 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1869 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1870 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1871 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1872 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1873 | if (sarg & TIOCM_RI) |
6f97dba0 | 1874 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1875 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1876 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1877 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1878 | *targ |= CHR_TIOCM_RTS; |
1879 | } | |
1880 | break; | |
1881 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1882 | { | |
1883 | int sarg = *(int *)arg; | |
1884 | int targ = 0; | |
9894dc0c | 1885 | ioctl(fioc->fd, TIOCMGET, &targ); |
b4abdfa4 AJ |
1886 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1887 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1888 | if (sarg & CHR_TIOCM_CTS) | |
1889 | targ |= TIOCM_CTS; | |
1890 | if (sarg & CHR_TIOCM_CAR) | |
1891 | targ |= TIOCM_CAR; | |
1892 | if (sarg & CHR_TIOCM_DSR) | |
1893 | targ |= TIOCM_DSR; | |
1894 | if (sarg & CHR_TIOCM_RI) | |
1895 | targ |= TIOCM_RI; | |
1896 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1897 | targ |= TIOCM_DTR; |
b4abdfa4 | 1898 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 | 1899 | targ |= TIOCM_RTS; |
9894dc0c | 1900 | ioctl(fioc->fd, TIOCMSET, &targ); |
6f97dba0 AL |
1901 | } |
1902 | break; | |
1903 | default: | |
1904 | return -ENOTSUP; | |
1905 | } | |
1906 | return 0; | |
1907 | } | |
6f97dba0 AL |
1908 | #endif /* __linux__ || __sun__ */ |
1909 | ||
1910 | #if defined(__linux__) | |
e551498e GH |
1911 | |
1912 | #define HAVE_CHARDEV_PARPORT 1 | |
1913 | ||
6f97dba0 | 1914 | typedef struct { |
0ec7b3e7 | 1915 | Chardev parent; |
6f97dba0 AL |
1916 | int fd; |
1917 | int mode; | |
0ec7b3e7 | 1918 | } ParallelChardev; |
6f97dba0 | 1919 | |
777357d7 MAL |
1920 | #define PARALLEL_CHARDEV(obj) \ |
1921 | OBJECT_CHECK(ParallelChardev, (obj), TYPE_CHARDEV_PARALLEL) | |
1922 | ||
0ec7b3e7 | 1923 | static int pp_hw_mode(ParallelChardev *s, uint16_t mode) |
6f97dba0 AL |
1924 | { |
1925 | if (s->mode != mode) { | |
1926 | int m = mode; | |
1927 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1928 | return 0; | |
1929 | s->mode = mode; | |
1930 | } | |
1931 | return 1; | |
1932 | } | |
1933 | ||
0ec7b3e7 | 1934 | static int pp_ioctl(Chardev *chr, int cmd, void *arg) |
6f97dba0 | 1935 | { |
777357d7 | 1936 | ParallelChardev *drv = PARALLEL_CHARDEV(chr); |
6f97dba0 AL |
1937 | int fd = drv->fd; |
1938 | uint8_t b; | |
1939 | ||
1940 | switch(cmd) { | |
1941 | case CHR_IOCTL_PP_READ_DATA: | |
1942 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1943 | return -ENOTSUP; | |
1944 | *(uint8_t *)arg = b; | |
1945 | break; | |
1946 | case CHR_IOCTL_PP_WRITE_DATA: | |
1947 | b = *(uint8_t *)arg; | |
1948 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1949 | return -ENOTSUP; | |
1950 | break; | |
1951 | case CHR_IOCTL_PP_READ_CONTROL: | |
1952 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1953 | return -ENOTSUP; | |
1954 | /* Linux gives only the lowest bits, and no way to know data | |
1955 | direction! For better compatibility set the fixed upper | |
1956 | bits. */ | |
1957 | *(uint8_t *)arg = b | 0xc0; | |
1958 | break; | |
1959 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1960 | b = *(uint8_t *)arg; | |
1961 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1962 | return -ENOTSUP; | |
1963 | break; | |
1964 | case CHR_IOCTL_PP_READ_STATUS: | |
1965 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1966 | return -ENOTSUP; | |
1967 | *(uint8_t *)arg = b; | |
1968 | break; | |
1969 | case CHR_IOCTL_PP_DATA_DIR: | |
1970 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1971 | return -ENOTSUP; | |
1972 | break; | |
1973 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1974 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1975 | struct ParallelIOArg *parg = arg; | |
1976 | int n = read(fd, parg->buffer, parg->count); | |
1977 | if (n != parg->count) { | |
1978 | return -EIO; | |
1979 | } | |
1980 | } | |
1981 | break; | |
1982 | case CHR_IOCTL_PP_EPP_READ: | |
1983 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1984 | struct ParallelIOArg *parg = arg; | |
1985 | int n = read(fd, parg->buffer, parg->count); | |
1986 | if (n != parg->count) { | |
1987 | return -EIO; | |
1988 | } | |
1989 | } | |
1990 | break; | |
1991 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1992 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1993 | struct ParallelIOArg *parg = arg; | |
1994 | int n = write(fd, parg->buffer, parg->count); | |
1995 | if (n != parg->count) { | |
1996 | return -EIO; | |
1997 | } | |
1998 | } | |
1999 | break; | |
2000 | case CHR_IOCTL_PP_EPP_WRITE: | |
2001 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
2002 | struct ParallelIOArg *parg = arg; | |
2003 | int n = write(fd, parg->buffer, parg->count); | |
2004 | if (n != parg->count) { | |
2005 | return -EIO; | |
2006 | } | |
2007 | } | |
2008 | break; | |
2009 | default: | |
2010 | return -ENOTSUP; | |
2011 | } | |
2012 | return 0; | |
2013 | } | |
2014 | ||
777357d7 MAL |
2015 | static void qemu_chr_open_pp_fd(Chardev *chr, |
2016 | int fd, | |
2017 | bool *be_opened, | |
2018 | Error **errp) | |
6f97dba0 | 2019 | { |
777357d7 | 2020 | ParallelChardev *drv = PARALLEL_CHARDEV(chr); |
6f97dba0 AL |
2021 | |
2022 | if (ioctl(fd, PPCLAIM) < 0) { | |
38bfb1a6 | 2023 | error_setg_errno(errp, errno, "not a parallel port"); |
6f97dba0 | 2024 | close(fd); |
777357d7 | 2025 | return; |
d0d7708b | 2026 | } |
27ef9cb0 | 2027 | |
27ef9cb0 PB |
2028 | drv->fd = fd; |
2029 | drv->mode = IEEE1284_MODE_COMPAT; | |
6f97dba0 AL |
2030 | } |
2031 | #endif /* __linux__ */ | |
2032 | ||
a167ba50 | 2033 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
e551498e GH |
2034 | |
2035 | #define HAVE_CHARDEV_PARPORT 1 | |
2036 | ||
41ac54b2 | 2037 | typedef struct { |
0ec7b3e7 | 2038 | Chardev parent; |
41ac54b2 | 2039 | int fd; |
0ec7b3e7 | 2040 | } ParallelChardev; |
41ac54b2 | 2041 | |
777357d7 MAL |
2042 | #define PARALLEL_CHARDEV(obj) \ |
2043 | OBJECT_CHECK(ParallelChardev, (obj), TYPE_CHARDEV_PARALLEL) | |
2044 | ||
0ec7b3e7 | 2045 | static int pp_ioctl(Chardev *chr, int cmd, void *arg) |
6972f935 | 2046 | { |
777357d7 | 2047 | ParallelChardev *drv = PARALLEL_CHARDEV(chr); |
6972f935 BS |
2048 | uint8_t b; |
2049 | ||
41ac54b2 | 2050 | switch (cmd) { |
6972f935 | 2051 | case CHR_IOCTL_PP_READ_DATA: |
41ac54b2 | 2052 | if (ioctl(drv->fd, PPIGDATA, &b) < 0) { |
6972f935 | 2053 | return -ENOTSUP; |
41ac54b2 | 2054 | } |
6972f935 BS |
2055 | *(uint8_t *)arg = b; |
2056 | break; | |
2057 | case CHR_IOCTL_PP_WRITE_DATA: | |
2058 | b = *(uint8_t *)arg; | |
41ac54b2 | 2059 | if (ioctl(drv->fd, PPISDATA, &b) < 0) { |
6972f935 | 2060 | return -ENOTSUP; |
41ac54b2 | 2061 | } |
6972f935 BS |
2062 | break; |
2063 | case CHR_IOCTL_PP_READ_CONTROL: | |
41ac54b2 | 2064 | if (ioctl(drv->fd, PPIGCTRL, &b) < 0) { |
6972f935 | 2065 | return -ENOTSUP; |
41ac54b2 | 2066 | } |
6972f935 BS |
2067 | *(uint8_t *)arg = b; |
2068 | break; | |
2069 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
2070 | b = *(uint8_t *)arg; | |
41ac54b2 | 2071 | if (ioctl(drv->fd, PPISCTRL, &b) < 0) { |
6972f935 | 2072 | return -ENOTSUP; |
41ac54b2 | 2073 | } |
6972f935 BS |
2074 | break; |
2075 | case CHR_IOCTL_PP_READ_STATUS: | |
41ac54b2 | 2076 | if (ioctl(drv->fd, PPIGSTATUS, &b) < 0) { |
6972f935 | 2077 | return -ENOTSUP; |
41ac54b2 | 2078 | } |
6972f935 BS |
2079 | *(uint8_t *)arg = b; |
2080 | break; | |
2081 | default: | |
2082 | return -ENOTSUP; | |
2083 | } | |
2084 | return 0; | |
2085 | } | |
2086 | ||
777357d7 MAL |
2087 | static void qemu_chr_open_pp_fd(Chardev *chr, |
2088 | int fd, | |
2089 | bool *be_opened, | |
2090 | Error **errp) | |
6972f935 | 2091 | { |
777357d7 | 2092 | ParallelChardev *drv = PARALLEL_CHARDEV(chr); |
41ac54b2 | 2093 | drv->fd = fd; |
82878dac | 2094 | *be_opened = false; |
6972f935 BS |
2095 | } |
2096 | #endif | |
2097 | ||
6f97dba0 AL |
2098 | #else /* _WIN32 */ |
2099 | ||
d809ab95 PB |
2100 | #define HAVE_CHARDEV_SERIAL 1 |
2101 | ||
6f97dba0 | 2102 | typedef struct { |
0ec7b3e7 | 2103 | Chardev parent; |
6f97dba0 AL |
2104 | int max_size; |
2105 | HANDLE hcom, hrecv, hsend; | |
9005b2a7 | 2106 | OVERLAPPED orecv; |
6f97dba0 AL |
2107 | BOOL fpipe; |
2108 | DWORD len; | |
9005b2a7 | 2109 | |
0ec7b3e7 | 2110 | /* Protected by the Chardev chr_write_lock. */ |
9005b2a7 | 2111 | OVERLAPPED osend; |
c266d94e MAL |
2112 | /* FIXME: file/console do not finalize */ |
2113 | bool skip_free; | |
0ec7b3e7 | 2114 | } WinChardev; |
6f97dba0 | 2115 | |
777357d7 MAL |
2116 | #define TYPE_CHARDEV_WIN "chardev-win" |
2117 | #define WIN_CHARDEV(obj) OBJECT_CHECK(WinChardev, (obj), TYPE_CHARDEV_WIN) | |
2118 | ||
db418a0a | 2119 | typedef struct { |
0ec7b3e7 | 2120 | Chardev parent; |
db418a0a FC |
2121 | HANDLE hStdIn; |
2122 | HANDLE hInputReadyEvent; | |
2123 | HANDLE hInputDoneEvent; | |
2124 | HANDLE hInputThread; | |
2125 | uint8_t win_stdio_buf; | |
0ec7b3e7 | 2126 | } WinStdioChardev; |
db418a0a | 2127 | |
777357d7 MAL |
2128 | #define TYPE_CHARDEV_WIN_STDIO "chardev-win-stdio" |
2129 | #define WIN_STDIO_CHARDEV(obj) \ | |
2130 | OBJECT_CHECK(WinStdioChardev, (obj), TYPE_CHARDEV_WIN_STDIO) | |
2131 | ||
6f97dba0 AL |
2132 | #define NSENDBUF 2048 |
2133 | #define NRECVBUF 2048 | |
2134 | #define MAXCONNECT 1 | |
2135 | #define NTIMEOUT 5000 | |
2136 | ||
2137 | static int win_chr_poll(void *opaque); | |
2138 | static int win_chr_pipe_poll(void *opaque); | |
2139 | ||
53a5736f | 2140 | static void char_win_finalize(Object *obj) |
6f97dba0 | 2141 | { |
53a5736f | 2142 | Chardev *chr = CHARDEV(obj); |
777357d7 | 2143 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 | 2144 | |
c266d94e MAL |
2145 | if (s->skip_free) { |
2146 | return; | |
2147 | } | |
2148 | ||
6f97dba0 AL |
2149 | if (s->hsend) { |
2150 | CloseHandle(s->hsend); | |
6f97dba0 AL |
2151 | } |
2152 | if (s->hrecv) { | |
2153 | CloseHandle(s->hrecv); | |
6f97dba0 AL |
2154 | } |
2155 | if (s->hcom) { | |
2156 | CloseHandle(s->hcom); | |
6f97dba0 AL |
2157 | } |
2158 | if (s->fpipe) | |
2159 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
2160 | else | |
2161 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 | 2162 | |
a425d23f | 2163 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2164 | } |
2165 | ||
0ec7b3e7 | 2166 | static int win_chr_init(Chardev *chr, const char *filename, Error **errp) |
6f97dba0 | 2167 | { |
777357d7 | 2168 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 AL |
2169 | COMMCONFIG comcfg; |
2170 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
2171 | COMSTAT comstat; | |
2172 | DWORD size; | |
2173 | DWORD err; | |
2174 | ||
2175 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2176 | if (!s->hsend) { | |
6511d396 | 2177 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2178 | goto fail; |
2179 | } | |
2180 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2181 | if (!s->hrecv) { | |
6511d396 | 2182 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2183 | goto fail; |
2184 | } | |
2185 | ||
2186 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
2187 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
2188 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
6511d396 | 2189 | error_setg(errp, "Failed CreateFile (%lu)", GetLastError()); |
6f97dba0 AL |
2190 | s->hcom = NULL; |
2191 | goto fail; | |
2192 | } | |
2193 | ||
2194 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
6511d396 | 2195 | error_setg(errp, "Failed SetupComm"); |
6f97dba0 AL |
2196 | goto fail; |
2197 | } | |
2198 | ||
2199 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
2200 | size = sizeof(COMMCONFIG); | |
2201 | GetDefaultCommConfig(filename, &comcfg, &size); | |
2202 | comcfg.dcb.DCBlength = sizeof(DCB); | |
2203 | CommConfigDialog(filename, NULL, &comcfg); | |
2204 | ||
2205 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
6511d396 | 2206 | error_setg(errp, "Failed SetCommState"); |
6f97dba0 AL |
2207 | goto fail; |
2208 | } | |
2209 | ||
2210 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
6511d396 | 2211 | error_setg(errp, "Failed SetCommMask"); |
6f97dba0 AL |
2212 | goto fail; |
2213 | } | |
2214 | ||
2215 | cto.ReadIntervalTimeout = MAXDWORD; | |
2216 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
6511d396 | 2217 | error_setg(errp, "Failed SetCommTimeouts"); |
6f97dba0 AL |
2218 | goto fail; |
2219 | } | |
2220 | ||
2221 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
6511d396 | 2222 | error_setg(errp, "Failed ClearCommError"); |
6f97dba0 AL |
2223 | goto fail; |
2224 | } | |
2225 | qemu_add_polling_cb(win_chr_poll, chr); | |
2226 | return 0; | |
2227 | ||
2228 | fail: | |
6f97dba0 AL |
2229 | return -1; |
2230 | } | |
2231 | ||
9005b2a7 | 2232 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 2233 | static int win_chr_write(Chardev *chr, const uint8_t *buf, int len1) |
6f97dba0 | 2234 | { |
777357d7 | 2235 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 AL |
2236 | DWORD len, ret, size, err; |
2237 | ||
2238 | len = len1; | |
2239 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
2240 | s->osend.hEvent = s->hsend; | |
2241 | while (len > 0) { | |
2242 | if (s->hsend) | |
2243 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
2244 | else | |
2245 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
2246 | if (!ret) { | |
2247 | err = GetLastError(); | |
2248 | if (err == ERROR_IO_PENDING) { | |
2249 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
2250 | if (ret) { | |
2251 | buf += size; | |
2252 | len -= size; | |
2253 | } else { | |
2254 | break; | |
2255 | } | |
2256 | } else { | |
2257 | break; | |
2258 | } | |
2259 | } else { | |
2260 | buf += size; | |
2261 | len -= size; | |
2262 | } | |
2263 | } | |
2264 | return len1 - len; | |
2265 | } | |
2266 | ||
0ec7b3e7 | 2267 | static int win_chr_read_poll(Chardev *chr) |
6f97dba0 | 2268 | { |
777357d7 | 2269 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 | 2270 | |
909cda12 | 2271 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2272 | return s->max_size; |
2273 | } | |
2274 | ||
0ec7b3e7 | 2275 | static void win_chr_readfile(Chardev *chr) |
6f97dba0 | 2276 | { |
777357d7 MAL |
2277 | WinChardev *s = WIN_CHARDEV(chr); |
2278 | ||
6f97dba0 | 2279 | int ret, err; |
9bd7854e | 2280 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2281 | DWORD size; |
2282 | ||
2283 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
2284 | s->orecv.hEvent = s->hrecv; | |
2285 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
2286 | if (!ret) { | |
2287 | err = GetLastError(); | |
2288 | if (err == ERROR_IO_PENDING) { | |
2289 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
2290 | } | |
2291 | } | |
2292 | ||
2293 | if (size > 0) { | |
fa5efccb | 2294 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 AL |
2295 | } |
2296 | } | |
2297 | ||
0ec7b3e7 | 2298 | static void win_chr_read(Chardev *chr) |
6f97dba0 | 2299 | { |
777357d7 | 2300 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 AL |
2301 | |
2302 | if (s->len > s->max_size) | |
2303 | s->len = s->max_size; | |
2304 | if (s->len == 0) | |
2305 | return; | |
2306 | ||
2307 | win_chr_readfile(chr); | |
2308 | } | |
2309 | ||
2310 | static int win_chr_poll(void *opaque) | |
2311 | { | |
777357d7 MAL |
2312 | Chardev *chr = CHARDEV(opaque); |
2313 | WinChardev *s = WIN_CHARDEV(opaque); | |
6f97dba0 AL |
2314 | COMSTAT status; |
2315 | DWORD comerr; | |
2316 | ||
2317 | ClearCommError(s->hcom, &comerr, &status); | |
2318 | if (status.cbInQue > 0) { | |
2319 | s->len = status.cbInQue; | |
2320 | win_chr_read_poll(chr); | |
2321 | win_chr_read(chr); | |
2322 | return 1; | |
2323 | } | |
2324 | return 0; | |
2325 | } | |
2326 | ||
6f97dba0 AL |
2327 | static int win_chr_pipe_poll(void *opaque) |
2328 | { | |
777357d7 MAL |
2329 | Chardev *chr = CHARDEV(opaque); |
2330 | WinChardev *s = WIN_CHARDEV(opaque); | |
6f97dba0 AL |
2331 | DWORD size; |
2332 | ||
2333 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
2334 | if (size > 0) { | |
2335 | s->len = size; | |
2336 | win_chr_read_poll(chr); | |
2337 | win_chr_read(chr); | |
2338 | return 1; | |
2339 | } | |
2340 | return 0; | |
2341 | } | |
2342 | ||
0ec7b3e7 | 2343 | static int win_chr_pipe_init(Chardev *chr, const char *filename, |
20cbe7a2 | 2344 | Error **errp) |
6f97dba0 | 2345 | { |
777357d7 | 2346 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 AL |
2347 | OVERLAPPED ov; |
2348 | int ret; | |
2349 | DWORD size; | |
0ff0fad2 | 2350 | char *openname; |
6f97dba0 AL |
2351 | |
2352 | s->fpipe = TRUE; | |
2353 | ||
2354 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2355 | if (!s->hsend) { | |
20cbe7a2 | 2356 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2357 | goto fail; |
2358 | } | |
2359 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2360 | if (!s->hrecv) { | |
20cbe7a2 | 2361 | error_setg(errp, "Failed CreateEvent"); |
6f97dba0 AL |
2362 | goto fail; |
2363 | } | |
2364 | ||
0ff0fad2 | 2365 | openname = g_strdup_printf("\\\\.\\pipe\\%s", filename); |
6f97dba0 AL |
2366 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
2367 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
2368 | PIPE_WAIT, | |
2369 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
0ff0fad2 | 2370 | g_free(openname); |
6f97dba0 | 2371 | if (s->hcom == INVALID_HANDLE_VALUE) { |
20cbe7a2 | 2372 | error_setg(errp, "Failed CreateNamedPipe (%lu)", GetLastError()); |
6f97dba0 AL |
2373 | s->hcom = NULL; |
2374 | goto fail; | |
2375 | } | |
2376 | ||
2377 | ZeroMemory(&ov, sizeof(ov)); | |
2378 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2379 | ret = ConnectNamedPipe(s->hcom, &ov); | |
2380 | if (ret) { | |
20cbe7a2 | 2381 | error_setg(errp, "Failed ConnectNamedPipe"); |
6f97dba0 AL |
2382 | goto fail; |
2383 | } | |
2384 | ||
2385 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
2386 | if (!ret) { | |
20cbe7a2 | 2387 | error_setg(errp, "Failed GetOverlappedResult"); |
6f97dba0 AL |
2388 | if (ov.hEvent) { |
2389 | CloseHandle(ov.hEvent); | |
2390 | ov.hEvent = NULL; | |
2391 | } | |
2392 | goto fail; | |
2393 | } | |
2394 | ||
2395 | if (ov.hEvent) { | |
2396 | CloseHandle(ov.hEvent); | |
2397 | ov.hEvent = NULL; | |
2398 | } | |
2399 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
2400 | return 0; | |
2401 | ||
2402 | fail: | |
6f97dba0 AL |
2403 | return -1; |
2404 | } | |
2405 | ||
2406 | ||
777357d7 MAL |
2407 | static void qemu_chr_open_pipe(Chardev *chr, |
2408 | ChardevBackend *backend, | |
2409 | bool *be_opened, | |
2410 | Error **errp) | |
6f97dba0 | 2411 | { |
32bafa8f | 2412 | ChardevHostdev *opts = backend->u.pipe.data; |
548cbb36 | 2413 | const char *filename = opts->device; |
6f97dba0 | 2414 | |
20cbe7a2 | 2415 | if (win_chr_pipe_init(chr, filename, errp) < 0) { |
777357d7 | 2416 | return; |
6f97dba0 | 2417 | } |
6f97dba0 AL |
2418 | } |
2419 | ||
777357d7 | 2420 | static void qemu_chr_open_win_file(Chardev *chr, HANDLE fd_out) |
6f97dba0 | 2421 | { |
777357d7 | 2422 | WinChardev *s = WIN_CHARDEV(chr); |
6f97dba0 | 2423 | |
c266d94e | 2424 | s->skip_free = true; |
6f97dba0 | 2425 | s->hcom = fd_out; |
6f97dba0 AL |
2426 | } |
2427 | ||
777357d7 | 2428 | static void char_win_class_init(ObjectClass *oc, void *data) |
6f97dba0 | 2429 | { |
777357d7 MAL |
2430 | ChardevClass *cc = CHARDEV_CLASS(oc); |
2431 | ||
2432 | cc->chr_write = win_chr_write; | |
6f97dba0 AL |
2433 | } |
2434 | ||
777357d7 MAL |
2435 | static const TypeInfo char_win_type_info = { |
2436 | .name = TYPE_CHARDEV_WIN, | |
2437 | .parent = TYPE_CHARDEV, | |
0ec7b3e7 | 2438 | .instance_size = sizeof(WinChardev), |
53a5736f | 2439 | .instance_finalize = char_win_finalize, |
777357d7 MAL |
2440 | .class_init = char_win_class_init, |
2441 | .abstract = true, | |
2442 | }; | |
2443 | ||
2444 | static void qemu_chr_open_win_con(Chardev *chr, | |
2445 | ChardevBackend *backend, | |
2446 | bool *be_opened, | |
2447 | Error **errp) | |
2448 | { | |
2449 | qemu_chr_open_win_file(chr, GetStdHandle(STD_OUTPUT_HANDLE)); | |
2450 | } | |
2451 | ||
777357d7 MAL |
2452 | static void char_console_class_init(ObjectClass *oc, void *data) |
2453 | { | |
2454 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
2455 | ||
2456 | cc->open = qemu_chr_open_win_con; | |
777357d7 MAL |
2457 | } |
2458 | ||
2459 | static const TypeInfo char_console_type_info = { | |
2460 | .name = TYPE_CHARDEV_CONSOLE, | |
2461 | .parent = TYPE_CHARDEV_WIN, | |
2462 | .class_init = char_console_class_init, | |
b68e956a MAL |
2463 | }; |
2464 | ||
0ec7b3e7 | 2465 | static int win_stdio_write(Chardev *chr, const uint8_t *buf, int len) |
db418a0a FC |
2466 | { |
2467 | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); | |
2468 | DWORD dwSize; | |
2469 | int len1; | |
2470 | ||
2471 | len1 = len; | |
2472 | ||
2473 | while (len1 > 0) { | |
2474 | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { | |
2475 | break; | |
2476 | } | |
2477 | buf += dwSize; | |
2478 | len1 -= dwSize; | |
2479 | } | |
2480 | ||
2481 | return len - len1; | |
2482 | } | |
2483 | ||
2484 | static void win_stdio_wait_func(void *opaque) | |
2485 | { | |
777357d7 MAL |
2486 | Chardev *chr = CHARDEV(opaque); |
2487 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(opaque); | |
db418a0a FC |
2488 | INPUT_RECORD buf[4]; |
2489 | int ret; | |
2490 | DWORD dwSize; | |
2491 | int i; | |
2492 | ||
dff7424d | 2493 | ret = ReadConsoleInput(stdio->hStdIn, buf, ARRAY_SIZE(buf), &dwSize); |
db418a0a FC |
2494 | |
2495 | if (!ret) { | |
2496 | /* Avoid error storm */ | |
2497 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
2498 | return; | |
2499 | } | |
2500 | ||
2501 | for (i = 0; i < dwSize; i++) { | |
2502 | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; | |
2503 | ||
2504 | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) { | |
2505 | int j; | |
2506 | if (kev->uChar.AsciiChar != 0) { | |
2507 | for (j = 0; j < kev->wRepeatCount; j++) { | |
2508 | if (qemu_chr_be_can_write(chr)) { | |
2509 | uint8_t c = kev->uChar.AsciiChar; | |
2510 | qemu_chr_be_write(chr, &c, 1); | |
2511 | } | |
2512 | } | |
2513 | } | |
2514 | } | |
2515 | } | |
2516 | } | |
2517 | ||
2518 | static DWORD WINAPI win_stdio_thread(LPVOID param) | |
2519 | { | |
777357d7 | 2520 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(param); |
db418a0a FC |
2521 | int ret; |
2522 | DWORD dwSize; | |
2523 | ||
2524 | while (1) { | |
2525 | ||
2526 | /* Wait for one byte */ | |
2527 | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); | |
2528 | ||
2529 | /* Exit in case of error, continue if nothing read */ | |
2530 | if (!ret) { | |
2531 | break; | |
2532 | } | |
2533 | if (!dwSize) { | |
2534 | continue; | |
2535 | } | |
2536 | ||
2537 | /* Some terminal emulator returns \r\n for Enter, just pass \n */ | |
2538 | if (stdio->win_stdio_buf == '\r') { | |
2539 | continue; | |
2540 | } | |
2541 | ||
2542 | /* Signal the main thread and wait until the byte was eaten */ | |
2543 | if (!SetEvent(stdio->hInputReadyEvent)) { | |
2544 | break; | |
2545 | } | |
2546 | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE) | |
2547 | != WAIT_OBJECT_0) { | |
2548 | break; | |
2549 | } | |
2550 | } | |
2551 | ||
2552 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2553 | return 0; | |
2554 | } | |
2555 | ||
2556 | static void win_stdio_thread_wait_func(void *opaque) | |
2557 | { | |
777357d7 MAL |
2558 | Chardev *chr = CHARDEV(opaque); |
2559 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(opaque); | |
db418a0a FC |
2560 | |
2561 | if (qemu_chr_be_can_write(chr)) { | |
2562 | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1); | |
2563 | } | |
2564 | ||
2565 | SetEvent(stdio->hInputDoneEvent); | |
2566 | } | |
2567 | ||
0ec7b3e7 | 2568 | static void qemu_chr_set_echo_win_stdio(Chardev *chr, bool echo) |
db418a0a | 2569 | { |
777357d7 | 2570 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(chr); |
db418a0a FC |
2571 | DWORD dwMode = 0; |
2572 | ||
2573 | GetConsoleMode(stdio->hStdIn, &dwMode); | |
2574 | ||
2575 | if (echo) { | |
2576 | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); | |
2577 | } else { | |
2578 | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); | |
2579 | } | |
2580 | } | |
2581 | ||
1566b0c4 | 2582 | static void char_win_stdio_finalize(Object *obj) |
db418a0a | 2583 | { |
1566b0c4 | 2584 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(obj); |
db418a0a FC |
2585 | |
2586 | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) { | |
2587 | CloseHandle(stdio->hInputReadyEvent); | |
2588 | } | |
2589 | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) { | |
2590 | CloseHandle(stdio->hInputDoneEvent); | |
2591 | } | |
2592 | if (stdio->hInputThread != INVALID_HANDLE_VALUE) { | |
2593 | TerminateThread(stdio->hInputThread, 0); | |
2594 | } | |
db418a0a FC |
2595 | } |
2596 | ||
777357d7 MAL |
2597 | static const TypeInfo char_win_stdio_type_info = { |
2598 | .name = TYPE_CHARDEV_WIN_STDIO, | |
2599 | .parent = TYPE_CHARDEV, | |
2600 | .instance_size = sizeof(WinStdioChardev), | |
1566b0c4 | 2601 | .instance_finalize = char_win_stdio_finalize, |
777357d7 MAL |
2602 | .abstract = true, |
2603 | }; | |
2604 | ||
2605 | static void qemu_chr_open_stdio(Chardev *chr, | |
2606 | ChardevBackend *backend, | |
2607 | bool *be_opened, | |
2608 | Error **errp) | |
db418a0a | 2609 | { |
777357d7 | 2610 | WinStdioChardev *stdio = WIN_STDIO_CHARDEV(chr); |
db418a0a FC |
2611 | DWORD dwMode; |
2612 | int is_console = 0; | |
db418a0a FC |
2613 | |
2614 | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); | |
2615 | if (stdio->hStdIn == INVALID_HANDLE_VALUE) { | |
8c84b25d | 2616 | error_setg(errp, "cannot open stdio: invalid handle"); |
777357d7 | 2617 | return; |
db418a0a FC |
2618 | } |
2619 | ||
2620 | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0; | |
2621 | ||
ed7a1540 AL |
2622 | if (is_console) { |
2623 | if (qemu_add_wait_object(stdio->hStdIn, | |
2624 | win_stdio_wait_func, chr)) { | |
8c84b25d PB |
2625 | error_setg(errp, "qemu_add_wait_object: failed"); |
2626 | goto err1; | |
ed7a1540 AL |
2627 | } |
2628 | } else { | |
2629 | DWORD dwId; | |
2630 | ||
2631 | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
2632 | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); | |
8c84b25d | 2633 | if (stdio->hInputReadyEvent == INVALID_HANDLE_VALUE |
ed7a1540 | 2634 | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { |
8c84b25d PB |
2635 | error_setg(errp, "cannot create event"); |
2636 | goto err2; | |
ed7a1540 AL |
2637 | } |
2638 | if (qemu_add_wait_object(stdio->hInputReadyEvent, | |
2639 | win_stdio_thread_wait_func, chr)) { | |
8c84b25d PB |
2640 | error_setg(errp, "qemu_add_wait_object: failed"); |
2641 | goto err2; | |
2642 | } | |
2643 | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, | |
2644 | chr, 0, &dwId); | |
2645 | ||
2646 | if (stdio->hInputThread == INVALID_HANDLE_VALUE) { | |
2647 | error_setg(errp, "cannot create stdio thread"); | |
2648 | goto err3; | |
db418a0a FC |
2649 | } |
2650 | } | |
2651 | ||
2652 | dwMode |= ENABLE_LINE_INPUT; | |
2653 | ||
ed7a1540 | 2654 | if (is_console) { |
db418a0a FC |
2655 | /* set the terminal in raw mode */ |
2656 | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */ | |
2657 | dwMode |= ENABLE_PROCESSED_INPUT; | |
2658 | } | |
2659 | ||
2660 | SetConsoleMode(stdio->hStdIn, dwMode); | |
2661 | ||
5345fdb4 | 2662 | qemu_chr_set_echo_win_stdio(chr, false); |
db418a0a | 2663 | |
777357d7 | 2664 | return; |
8c84b25d PB |
2665 | |
2666 | err3: | |
2667 | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); | |
2668 | err2: | |
2669 | CloseHandle(stdio->hInputReadyEvent); | |
2670 | CloseHandle(stdio->hInputDoneEvent); | |
2671 | err1: | |
2672 | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); | |
db418a0a | 2673 | } |
6f97dba0 AL |
2674 | #endif /* !_WIN32 */ |
2675 | ||
2676 | /***********************************************************/ | |
2677 | /* UDP Net console */ | |
2678 | ||
2679 | typedef struct { | |
0ec7b3e7 | 2680 | Chardev parent; |
9894dc0c | 2681 | QIOChannel *ioc; |
9bd7854e | 2682 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2683 | int bufcnt; |
2684 | int bufptr; | |
2685 | int max_size; | |
1876ed04 | 2686 | } UdpChardev; |
6f97dba0 | 2687 | |
777357d7 MAL |
2688 | #define UDP_CHARDEV(obj) OBJECT_CHECK(UdpChardev, (obj), TYPE_CHARDEV_UDP) |
2689 | ||
9005b2a7 | 2690 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 2691 | static int udp_chr_write(Chardev *chr, const uint8_t *buf, int len) |
6f97dba0 | 2692 | { |
777357d7 | 2693 | UdpChardev *s = UDP_CHARDEV(chr); |
76a9644b | 2694 | |
9894dc0c DB |
2695 | return qio_channel_write( |
2696 | s->ioc, (const char *)buf, len, NULL); | |
6f97dba0 AL |
2697 | } |
2698 | ||
2699 | static int udp_chr_read_poll(void *opaque) | |
2700 | { | |
777357d7 MAL |
2701 | Chardev *chr = CHARDEV(opaque); |
2702 | UdpChardev *s = UDP_CHARDEV(opaque); | |
6f97dba0 | 2703 | |
909cda12 | 2704 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2705 | |
2706 | /* If there were any stray characters in the queue process them | |
2707 | * first | |
2708 | */ | |
2709 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2710 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2711 | s->bufptr++; |
909cda12 | 2712 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2713 | } |
2714 | return s->max_size; | |
2715 | } | |
2716 | ||
9894dc0c | 2717 | static gboolean udp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 | 2718 | { |
777357d7 MAL |
2719 | Chardev *chr = CHARDEV(opaque); |
2720 | UdpChardev *s = UDP_CHARDEV(opaque); | |
9894dc0c | 2721 | ssize_t ret; |
6f97dba0 | 2722 | |
cdbf6e16 PB |
2723 | if (s->max_size == 0) { |
2724 | return TRUE; | |
2725 | } | |
9894dc0c DB |
2726 | ret = qio_channel_read( |
2727 | s->ioc, (char *)s->buf, sizeof(s->buf), NULL); | |
2728 | if (ret <= 0) { | |
26da70c7 | 2729 | remove_fd_in_watch(chr); |
76a9644b AL |
2730 | return FALSE; |
2731 | } | |
9894dc0c | 2732 | s->bufcnt = ret; |
6f97dba0 AL |
2733 | |
2734 | s->bufptr = 0; | |
2735 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
fa5efccb | 2736 | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1); |
6f97dba0 | 2737 | s->bufptr++; |
909cda12 | 2738 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 | 2739 | } |
76a9644b AL |
2740 | |
2741 | return TRUE; | |
6f97dba0 AL |
2742 | } |
2743 | ||
0ec7b3e7 | 2744 | static void udp_chr_update_read_handler(Chardev *chr, |
a4afa548 | 2745 | GMainContext *context) |
6f97dba0 | 2746 | { |
777357d7 | 2747 | UdpChardev *s = UDP_CHARDEV(chr); |
6f97dba0 | 2748 | |
26da70c7 | 2749 | remove_fd_in_watch(chr); |
9894dc0c | 2750 | if (s->ioc) { |
e93a68e1 | 2751 | chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, |
9894dc0c | 2752 | udp_chr_read_poll, |
e92aa36a ZC |
2753 | udp_chr_read, chr, |
2754 | context); | |
6f97dba0 AL |
2755 | } |
2756 | } | |
2757 | ||
819aad23 | 2758 | static void char_udp_finalize(Object *obj) |
819f56b7 | 2759 | { |
819aad23 MAL |
2760 | Chardev *chr = CHARDEV(obj); |
2761 | UdpChardev *s = UDP_CHARDEV(obj); | |
26da70c7 AS |
2762 | |
2763 | remove_fd_in_watch(chr); | |
9894dc0c DB |
2764 | if (s->ioc) { |
2765 | object_unref(OBJECT(s->ioc)); | |
819f56b7 | 2766 | } |
a425d23f | 2767 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
2768 | } |
2769 | ||
6f97dba0 AL |
2770 | /***********************************************************/ |
2771 | /* TCP Net console */ | |
2772 | ||
2773 | typedef struct { | |
0ec7b3e7 | 2774 | Chardev parent; |
a8fb5427 DB |
2775 | QIOChannel *ioc; /* Client I/O channel */ |
2776 | QIOChannelSocket *sioc; /* Client master channel */ | |
9894dc0c | 2777 | QIOChannelSocket *listen_ioc; |
7ba9addc | 2778 | guint listen_tag; |
a8fb5427 | 2779 | QCryptoTLSCreds *tls_creds; |
6f97dba0 AL |
2780 | int connected; |
2781 | int max_size; | |
2782 | int do_telnetopt; | |
2783 | int do_nodelay; | |
2784 | int is_unix; | |
c76bf6bb | 2785 | int *read_msgfds; |
9894dc0c | 2786 | size_t read_msgfds_num; |
d39aac7a | 2787 | int *write_msgfds; |
9894dc0c | 2788 | size_t write_msgfds_num; |
cfb429cb CM |
2789 | |
2790 | SocketAddress *addr; | |
2791 | bool is_listen; | |
2792 | bool is_telnet; | |
5dd1f02b CM |
2793 | |
2794 | guint reconnect_timer; | |
2795 | int64_t reconnect_time; | |
5008e5b7 | 2796 | bool connect_err_reported; |
1876ed04 | 2797 | } SocketChardev; |
6f97dba0 | 2798 | |
777357d7 MAL |
2799 | #define SOCKET_CHARDEV(obj) \ |
2800 | OBJECT_CHECK(SocketChardev, (obj), TYPE_CHARDEV_SOCKET) | |
2801 | ||
5dd1f02b CM |
2802 | static gboolean socket_reconnect_timeout(gpointer opaque); |
2803 | ||
0ec7b3e7 | 2804 | static void qemu_chr_socket_restart_timer(Chardev *chr) |
5dd1f02b | 2805 | { |
777357d7 | 2806 | SocketChardev *s = SOCKET_CHARDEV(chr); |
e93a68e1 | 2807 | char *name; |
41ac54b2 | 2808 | |
5dd1f02b CM |
2809 | assert(s->connected == 0); |
2810 | s->reconnect_timer = g_timeout_add_seconds(s->reconnect_time, | |
2811 | socket_reconnect_timeout, chr); | |
e93a68e1 DB |
2812 | name = g_strdup_printf("chardev-socket-reconnect-%s", chr->label); |
2813 | g_source_set_name_by_id(s->reconnect_timer, name); | |
2814 | g_free(name); | |
5dd1f02b CM |
2815 | } |
2816 | ||
0ec7b3e7 | 2817 | static void check_report_connect_error(Chardev *chr, |
5008e5b7 CM |
2818 | Error *err) |
2819 | { | |
777357d7 | 2820 | SocketChardev *s = SOCKET_CHARDEV(chr); |
5008e5b7 CM |
2821 | |
2822 | if (!s->connect_err_reported) { | |
2823 | error_report("Unable to connect character device %s: %s", | |
2824 | chr->label, error_get_pretty(err)); | |
2825 | s->connect_err_reported = true; | |
2826 | } | |
2827 | qemu_chr_socket_restart_timer(chr); | |
2828 | } | |
2829 | ||
9894dc0c DB |
2830 | static gboolean tcp_chr_accept(QIOChannel *chan, |
2831 | GIOCondition cond, | |
2832 | void *opaque); | |
d39aac7a | 2833 | |
9005b2a7 | 2834 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 2835 | static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len) |
6f97dba0 | 2836 | { |
777357d7 | 2837 | SocketChardev *s = SOCKET_CHARDEV(chr); |
41ac54b2 | 2838 | |
6f97dba0 | 2839 | if (s->connected) { |
9894dc0c DB |
2840 | int ret = io_channel_send_full(s->ioc, buf, len, |
2841 | s->write_msgfds, | |
2842 | s->write_msgfds_num); | |
2843 | ||
2844 | /* free the written msgfds, no matter what */ | |
2845 | if (s->write_msgfds_num) { | |
2846 | g_free(s->write_msgfds); | |
2847 | s->write_msgfds = 0; | |
2848 | s->write_msgfds_num = 0; | |
d39aac7a | 2849 | } |
9894dc0c DB |
2850 | |
2851 | return ret; | |
455aa1e0 | 2852 | } else { |
6db0fdce | 2853 | /* XXX: indicate an error ? */ |
455aa1e0 | 2854 | return len; |
6f97dba0 AL |
2855 | } |
2856 | } | |
2857 | ||
2858 | static int tcp_chr_read_poll(void *opaque) | |
2859 | { | |
777357d7 MAL |
2860 | Chardev *chr = CHARDEV(opaque); |
2861 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
6f97dba0 AL |
2862 | if (!s->connected) |
2863 | return 0; | |
909cda12 | 2864 | s->max_size = qemu_chr_be_can_write(chr); |
6f97dba0 AL |
2865 | return s->max_size; |
2866 | } | |
2867 | ||
2868 | #define IAC 255 | |
2869 | #define IAC_BREAK 243 | |
0ec7b3e7 | 2870 | static void tcp_chr_process_IAC_bytes(Chardev *chr, |
1876ed04 | 2871 | SocketChardev *s, |
6f97dba0 AL |
2872 | uint8_t *buf, int *size) |
2873 | { | |
2874 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2875 | * char mode with no echo. All IAC options will be removed from | |
2876 | * the buf and the do_telnetopt variable will be used to track the | |
2877 | * state of the width of the IAC information. | |
2878 | * | |
2879 | * IAC commands come in sets of 3 bytes with the exception of the | |
2880 | * "IAC BREAK" command and the double IAC. | |
2881 | */ | |
2882 | ||
2883 | int i; | |
2884 | int j = 0; | |
2885 | ||
2886 | for (i = 0; i < *size; i++) { | |
2887 | if (s->do_telnetopt > 1) { | |
2888 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2889 | /* Double IAC means send an IAC */ | |
2890 | if (j != i) | |
2891 | buf[j] = buf[i]; | |
2892 | j++; | |
2893 | s->do_telnetopt = 1; | |
2894 | } else { | |
2895 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2896 | /* Handle IAC break commands by sending a serial break */ | |
a425d23f | 2897 | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
6f97dba0 AL |
2898 | s->do_telnetopt++; |
2899 | } | |
2900 | s->do_telnetopt++; | |
2901 | } | |
2902 | if (s->do_telnetopt >= 4) { | |
2903 | s->do_telnetopt = 1; | |
2904 | } | |
2905 | } else { | |
2906 | if ((unsigned char)buf[i] == IAC) { | |
2907 | s->do_telnetopt = 2; | |
2908 | } else { | |
2909 | if (j != i) | |
2910 | buf[j] = buf[i]; | |
2911 | j++; | |
2912 | } | |
2913 | } | |
2914 | } | |
2915 | *size = j; | |
2916 | } | |
2917 | ||
0ec7b3e7 | 2918 | static int tcp_get_msgfds(Chardev *chr, int *fds, int num) |
7d174059 | 2919 | { |
777357d7 | 2920 | SocketChardev *s = SOCKET_CHARDEV(chr); |
41ac54b2 | 2921 | |
c76bf6bb NN |
2922 | int to_copy = (s->read_msgfds_num < num) ? s->read_msgfds_num : num; |
2923 | ||
c4095726 MT |
2924 | assert(num <= TCP_MAX_FDS); |
2925 | ||
c76bf6bb | 2926 | if (to_copy) { |
d2fc39b4 SH |
2927 | int i; |
2928 | ||
c76bf6bb NN |
2929 | memcpy(fds, s->read_msgfds, to_copy * sizeof(int)); |
2930 | ||
d2fc39b4 SH |
2931 | /* Close unused fds */ |
2932 | for (i = to_copy; i < s->read_msgfds_num; i++) { | |
2933 | close(s->read_msgfds[i]); | |
2934 | } | |
2935 | ||
c76bf6bb NN |
2936 | g_free(s->read_msgfds); |
2937 | s->read_msgfds = 0; | |
2938 | s->read_msgfds_num = 0; | |
2939 | } | |
2940 | ||
2941 | return to_copy; | |
7d174059 MM |
2942 | } |
2943 | ||
0ec7b3e7 | 2944 | static int tcp_set_msgfds(Chardev *chr, int *fds, int num) |
d39aac7a | 2945 | { |
777357d7 | 2946 | SocketChardev *s = SOCKET_CHARDEV(chr); |
d39aac7a NN |
2947 | |
2948 | /* clear old pending fd array */ | |
ef1e1e07 | 2949 | g_free(s->write_msgfds); |
869a58af | 2950 | s->write_msgfds = NULL; |
5b498459 | 2951 | s->write_msgfds_num = 0; |
d39aac7a | 2952 | |
5c7eaabf MAL |
2953 | if (!s->connected || |
2954 | !qio_channel_has_feature(s->ioc, | |
2955 | QIO_CHANNEL_FEATURE_FD_PASS)) { | |
2956 | return -1; | |
2957 | } | |
2958 | ||
d39aac7a | 2959 | if (num) { |
2d528d45 | 2960 | s->write_msgfds = g_new(int, num); |
d39aac7a NN |
2961 | memcpy(s->write_msgfds, fds, num * sizeof(int)); |
2962 | } | |
2963 | ||
2964 | s->write_msgfds_num = num; | |
2965 | ||
2966 | return 0; | |
2967 | } | |
2968 | ||
0ec7b3e7 | 2969 | static ssize_t tcp_chr_recv(Chardev *chr, char *buf, size_t len) |
7d174059 | 2970 | { |
777357d7 | 2971 | SocketChardev *s = SOCKET_CHARDEV(chr); |
9894dc0c DB |
2972 | struct iovec iov = { .iov_base = buf, .iov_len = len }; |
2973 | int ret; | |
2974 | size_t i; | |
2975 | int *msgfds = NULL; | |
2976 | size_t msgfds_num = 0; | |
2977 | ||
2978 | if (qio_channel_has_feature(s->ioc, QIO_CHANNEL_FEATURE_FD_PASS)) { | |
2979 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
2980 | &msgfds, &msgfds_num, | |
2981 | NULL); | |
2982 | } else { | |
2983 | ret = qio_channel_readv_full(s->ioc, &iov, 1, | |
2984 | NULL, NULL, | |
2985 | NULL); | |
2986 | } | |
7d174059 | 2987 | |
b6572b4f MAL |
2988 | if (ret == QIO_CHANNEL_ERR_BLOCK) { |
2989 | errno = EAGAIN; | |
2990 | ret = -1; | |
2991 | } else if (ret == -1) { | |
2992 | errno = EIO; | |
2993 | } | |
2994 | ||
9894dc0c | 2995 | if (msgfds_num) { |
c76bf6bb NN |
2996 | /* close and clean read_msgfds */ |
2997 | for (i = 0; i < s->read_msgfds_num; i++) { | |
2998 | close(s->read_msgfds[i]); | |
2999 | } | |
9b938c72 | 3000 | |
c76bf6bb NN |
3001 | if (s->read_msgfds_num) { |
3002 | g_free(s->read_msgfds); | |
3003 | } | |
3004 | ||
9894dc0c DB |
3005 | s->read_msgfds = msgfds; |
3006 | s->read_msgfds_num = msgfds_num; | |
7d174059 | 3007 | } |
7d174059 | 3008 | |
9894dc0c DB |
3009 | for (i = 0; i < s->read_msgfds_num; i++) { |
3010 | int fd = s->read_msgfds[i]; | |
3011 | if (fd < 0) { | |
3012 | continue; | |
3013 | } | |
9977c894 | 3014 | |
9894dc0c DB |
3015 | /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ |
3016 | qemu_set_block(fd); | |
7d174059 | 3017 | |
9894dc0c DB |
3018 | #ifndef MSG_CMSG_CLOEXEC |
3019 | qemu_set_cloexec(fd); | |
06138651 | 3020 | #endif |
06138651 | 3021 | } |
9977c894 | 3022 | |
7d174059 | 3023 | return ret; |
9977c894 | 3024 | } |
9977c894 | 3025 | |
0ec7b3e7 | 3026 | static GSource *tcp_chr_add_watch(Chardev *chr, GIOCondition cond) |
d3cc5bc4 | 3027 | { |
777357d7 | 3028 | SocketChardev *s = SOCKET_CHARDEV(chr); |
9894dc0c | 3029 | return qio_channel_create_watch(s->ioc, cond); |
d3cc5bc4 AS |
3030 | } |
3031 | ||
0ec7b3e7 | 3032 | static void tcp_chr_free_connection(Chardev *chr) |
7b0bfdf5 | 3033 | { |
777357d7 | 3034 | SocketChardev *s = SOCKET_CHARDEV(chr); |
5b498459 | 3035 | int i; |
7b0bfdf5 | 3036 | |
342f7a9d MAL |
3037 | if (!s->connected) { |
3038 | return; | |
3039 | } | |
3040 | ||
5b498459 MAL |
3041 | if (s->read_msgfds_num) { |
3042 | for (i = 0; i < s->read_msgfds_num; i++) { | |
3043 | close(s->read_msgfds[i]); | |
3044 | } | |
3045 | g_free(s->read_msgfds); | |
3046 | s->read_msgfds = NULL; | |
3047 | s->read_msgfds_num = 0; | |
7b0bfdf5 | 3048 | } |
5b498459 | 3049 | |
6167ebbd | 3050 | tcp_set_msgfds(chr, NULL, 0); |
7b0bfdf5 | 3051 | remove_fd_in_watch(chr); |
a8fb5427 DB |
3052 | object_unref(OBJECT(s->sioc)); |
3053 | s->sioc = NULL; | |
9894dc0c DB |
3054 | object_unref(OBJECT(s->ioc)); |
3055 | s->ioc = NULL; | |
0ff0fad2 | 3056 | g_free(chr->filename); |
5b498459 MAL |
3057 | chr->filename = NULL; |
3058 | s->connected = 0; | |
3059 | } | |
3060 | ||
0ec7b3e7 | 3061 | static void tcp_chr_disconnect(Chardev *chr) |
5b498459 | 3062 | { |
777357d7 | 3063 | SocketChardev *s = SOCKET_CHARDEV(chr); |
5b498459 MAL |
3064 | |
3065 | if (!s->connected) { | |
3066 | return; | |
3067 | } | |
3068 | ||
3069 | tcp_chr_free_connection(chr); | |
3070 | ||
3071 | if (s->listen_ioc) { | |
3072 | s->listen_tag = qio_channel_add_watch( | |
3073 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); | |
3074 | } | |
0ff0fad2 DB |
3075 | chr->filename = SocketAddress_to_str("disconnected:", s->addr, |
3076 | s->is_listen, s->is_telnet); | |
7b0bfdf5 | 3077 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
5dd1f02b CM |
3078 | if (s->reconnect_time) { |
3079 | qemu_chr_socket_restart_timer(chr); | |
3080 | } | |
7b0bfdf5 NN |
3081 | } |
3082 | ||
9894dc0c | 3083 | static gboolean tcp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) |
6f97dba0 | 3084 | { |
777357d7 MAL |
3085 | Chardev *chr = CHARDEV(opaque); |
3086 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
9bd7854e | 3087 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
3088 | int len, size; |
3089 | ||
2ea5a7af | 3090 | if (!s->connected || s->max_size <= 0) { |
cdbf6e16 | 3091 | return TRUE; |
2ea5a7af | 3092 | } |
6f97dba0 AL |
3093 | len = sizeof(buf); |
3094 | if (len > s->max_size) | |
3095 | len = s->max_size; | |
9977c894 | 3096 | size = tcp_chr_recv(chr, (void *)buf, len); |
9894dc0c | 3097 | if (size == 0 || size == -1) { |
6f97dba0 | 3098 | /* connection closed */ |
7b0bfdf5 | 3099 | tcp_chr_disconnect(chr); |
6f97dba0 AL |
3100 | } else if (size > 0) { |
3101 | if (s->do_telnetopt) | |
3102 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
3103 | if (size > 0) | |
fa5efccb | 3104 | qemu_chr_be_write(chr, buf, size); |
6f97dba0 | 3105 | } |
2ea5a7af AL |
3106 | |
3107 | return TRUE; | |
6f97dba0 AL |
3108 | } |
3109 | ||
0ec7b3e7 | 3110 | static int tcp_chr_sync_read(Chardev *chr, const uint8_t *buf, int len) |
7b0bfdf5 | 3111 | { |
777357d7 | 3112 | SocketChardev *s = SOCKET_CHARDEV(chr); |
7b0bfdf5 NN |
3113 | int size; |
3114 | ||
3115 | if (!s->connected) { | |
3116 | return 0; | |
3117 | } | |
3118 | ||
3119 | size = tcp_chr_recv(chr, (void *) buf, len); | |
3120 | if (size == 0) { | |
3121 | /* connection closed */ | |
3122 | tcp_chr_disconnect(chr); | |
3123 | } | |
3124 | ||
3125 | return size; | |
3126 | } | |
3127 | ||
6f97dba0 AL |
3128 | static void tcp_chr_connect(void *opaque) |
3129 | { | |
777357d7 MAL |
3130 | Chardev *chr = CHARDEV(opaque); |
3131 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
16cc4ffe | 3132 | |
0ff0fad2 | 3133 | g_free(chr->filename); |
a8fb5427 DB |
3134 | chr->filename = sockaddr_to_str( |
3135 | &s->sioc->localAddr, s->sioc->localAddrLen, | |
3136 | &s->sioc->remoteAddr, s->sioc->remoteAddrLen, | |
3137 | s->is_listen, s->is_telnet); | |
6f97dba0 AL |
3138 | |
3139 | s->connected = 1; | |
9894dc0c | 3140 | if (s->ioc) { |
e93a68e1 | 3141 | chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, |
9894dc0c | 3142 | tcp_chr_read_poll, |
e92aa36a ZC |
3143 | tcp_chr_read, |
3144 | chr, NULL); | |
bbdd2ad0 | 3145 | } |
fee204fd | 3146 | qemu_chr_be_generic_open(chr); |
6f97dba0 AL |
3147 | } |
3148 | ||
0ec7b3e7 | 3149 | static void tcp_chr_update_read_handler(Chardev *chr, |
a4afa548 | 3150 | GMainContext *context) |
ac1b84dd | 3151 | { |
777357d7 | 3152 | SocketChardev *s = SOCKET_CHARDEV(chr); |
ac1b84dd | 3153 | |
1e94f23d DB |
3154 | if (!s->connected) { |
3155 | return; | |
3156 | } | |
3157 | ||
ac1b84dd | 3158 | remove_fd_in_watch(chr); |
9894dc0c | 3159 | if (s->ioc) { |
e93a68e1 | 3160 | chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, |
9894dc0c | 3161 | tcp_chr_read_poll, |
e92aa36a ZC |
3162 | tcp_chr_read, chr, |
3163 | context); | |
ac1b84dd GH |
3164 | } |
3165 | } | |
3166 | ||
f2001a7e | 3167 | typedef struct { |
0ec7b3e7 | 3168 | Chardev *chr; |
f2001a7e DB |
3169 | char buf[12]; |
3170 | size_t buflen; | |
279b066e | 3171 | } TCPChardevTelnetInit; |
f2001a7e DB |
3172 | |
3173 | static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc, | |
3174 | GIOCondition cond G_GNUC_UNUSED, | |
3175 | gpointer user_data) | |
6f97dba0 | 3176 | { |
279b066e | 3177 | TCPChardevTelnetInit *init = user_data; |
f2001a7e DB |
3178 | ssize_t ret; |
3179 | ||
3180 | ret = qio_channel_write(ioc, init->buf, init->buflen, NULL); | |
3181 | if (ret < 0) { | |
3182 | if (ret == QIO_CHANNEL_ERR_BLOCK) { | |
3183 | ret = 0; | |
3184 | } else { | |
3185 | tcp_chr_disconnect(init->chr); | |
3186 | return FALSE; | |
3187 | } | |
3188 | } | |
3189 | init->buflen -= ret; | |
3190 | ||
3191 | if (init->buflen == 0) { | |
3192 | tcp_chr_connect(init->chr); | |
3193 | return FALSE; | |
3194 | } | |
3195 | ||
3196 | memmove(init->buf, init->buf + ret, init->buflen); | |
3197 | ||
3198 | return TRUE; | |
3199 | } | |
3200 | ||
0ec7b3e7 | 3201 | static void tcp_chr_telnet_init(Chardev *chr) |
f2001a7e | 3202 | { |
777357d7 | 3203 | SocketChardev *s = SOCKET_CHARDEV(chr); |
279b066e | 3204 | TCPChardevTelnetInit *init = g_new0(TCPChardevTelnetInit, 1); |
f2001a7e DB |
3205 | size_t n = 0; |
3206 | ||
3207 | init->chr = chr; | |
3208 | init->buflen = 12; | |
3209 | ||
3210 | #define IACSET(x, a, b, c) \ | |
3211 | do { \ | |
3212 | x[n++] = a; \ | |
3213 | x[n++] = b; \ | |
3214 | x[n++] = c; \ | |
3215 | } while (0) | |
3216 | ||
3217 | /* Prep the telnet negotion to put telnet in binary, | |
3218 | * no echo, single char mode */ | |
3219 | IACSET(init->buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
3220 | IACSET(init->buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
3221 | IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
3222 | IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
3223 | ||
3224 | #undef IACSET | |
3225 | ||
3226 | qio_channel_add_watch( | |
3227 | s->ioc, G_IO_OUT, | |
3228 | tcp_chr_telnet_init_io, | |
3229 | init, NULL); | |
6f97dba0 AL |
3230 | } |
3231 | ||
a8fb5427 | 3232 | |
60e705c5 | 3233 | static void tcp_chr_tls_handshake(QIOTask *task, |
a8fb5427 DB |
3234 | gpointer user_data) |
3235 | { | |
0ec7b3e7 | 3236 | Chardev *chr = user_data; |
1876ed04 | 3237 | SocketChardev *s = user_data; |
a8fb5427 | 3238 | |
60e705c5 | 3239 | if (qio_task_propagate_error(task, NULL)) { |
a8fb5427 DB |
3240 | tcp_chr_disconnect(chr); |
3241 | } else { | |
3242 | if (s->do_telnetopt) { | |
3243 | tcp_chr_telnet_init(chr); | |
3244 | } else { | |
3245 | tcp_chr_connect(chr); | |
3246 | } | |
3247 | } | |
3248 | } | |
3249 | ||
3250 | ||
0ec7b3e7 | 3251 | static void tcp_chr_tls_init(Chardev *chr) |
a8fb5427 | 3252 | { |
777357d7 | 3253 | SocketChardev *s = SOCKET_CHARDEV(chr); |
a8fb5427 DB |
3254 | QIOChannelTLS *tioc; |
3255 | Error *err = NULL; | |
e93a68e1 | 3256 | gchar *name; |
a8fb5427 DB |
3257 | |
3258 | if (s->is_listen) { | |
3259 | tioc = qio_channel_tls_new_server( | |
3260 | s->ioc, s->tls_creds, | |
3261 | NULL, /* XXX Use an ACL */ | |
3262 | &err); | |
3263 | } else { | |
3264 | tioc = qio_channel_tls_new_client( | |
3265 | s->ioc, s->tls_creds, | |
32bafa8f | 3266 | s->addr->u.inet.data->host, |
a8fb5427 DB |
3267 | &err); |
3268 | } | |
3269 | if (tioc == NULL) { | |
3270 | error_free(err); | |
3271 | tcp_chr_disconnect(chr); | |
660a2d83 | 3272 | return; |
a8fb5427 | 3273 | } |
e93a68e1 DB |
3274 | name = g_strdup_printf("chardev-tls-%s-%s", |
3275 | s->is_listen ? "server" : "client", | |
3276 | chr->label); | |
3277 | qio_channel_set_name(QIO_CHANNEL(tioc), name); | |
3278 | g_free(name); | |
a8fb5427 DB |
3279 | object_unref(OBJECT(s->ioc)); |
3280 | s->ioc = QIO_CHANNEL(tioc); | |
3281 | ||
3282 | qio_channel_tls_handshake(tioc, | |
3283 | tcp_chr_tls_handshake, | |
3284 | chr, | |
3285 | NULL); | |
3286 | } | |
3287 | ||
3288 | ||
0ec7b3e7 | 3289 | static void tcp_chr_set_client_ioc_name(Chardev *chr, |
e93a68e1 DB |
3290 | QIOChannelSocket *sioc) |
3291 | { | |
777357d7 | 3292 | SocketChardev *s = SOCKET_CHARDEV(chr); |
e93a68e1 DB |
3293 | char *name; |
3294 | name = g_strdup_printf("chardev-tcp-%s-%s", | |
3295 | s->is_listen ? "server" : "client", | |
3296 | chr->label); | |
3297 | qio_channel_set_name(QIO_CHANNEL(sioc), name); | |
3298 | g_free(name); | |
3299 | ||
3300 | } | |
3301 | ||
0ec7b3e7 | 3302 | static int tcp_chr_new_client(Chardev *chr, QIOChannelSocket *sioc) |
13661089 | 3303 | { |
777357d7 | 3304 | SocketChardev *s = SOCKET_CHARDEV(chr); |
41ac54b2 | 3305 | |
9894dc0c | 3306 | if (s->ioc != NULL) { |
13661089 | 3307 | return -1; |
9894dc0c | 3308 | } |
13661089 | 3309 | |
9894dc0c DB |
3310 | s->ioc = QIO_CHANNEL(sioc); |
3311 | object_ref(OBJECT(sioc)); | |
a8fb5427 DB |
3312 | s->sioc = sioc; |
3313 | object_ref(OBJECT(sioc)); | |
9894dc0c | 3314 | |
64c800f8 DB |
3315 | qio_channel_set_blocking(s->ioc, false, NULL); |
3316 | ||
9894dc0c DB |
3317 | if (s->do_nodelay) { |
3318 | qio_channel_set_delay(s->ioc, false); | |
3319 | } | |
910b6368 PB |
3320 | if (s->listen_tag) { |
3321 | g_source_remove(s->listen_tag); | |
3322 | s->listen_tag = 0; | |
3323 | } | |
f2001a7e | 3324 | |
a8fb5427 DB |
3325 | if (s->tls_creds) { |
3326 | tcp_chr_tls_init(chr); | |
f2001a7e | 3327 | } else { |
a8fb5427 DB |
3328 | if (s->do_telnetopt) { |
3329 | tcp_chr_telnet_init(chr); | |
3330 | } else { | |
3331 | tcp_chr_connect(chr); | |
3332 | } | |
f2001a7e | 3333 | } |
13661089 DB |
3334 | |
3335 | return 0; | |
3336 | } | |
3337 | ||
9894dc0c | 3338 | |
0ec7b3e7 | 3339 | static int tcp_chr_add_client(Chardev *chr, int fd) |
9894dc0c DB |
3340 | { |
3341 | int ret; | |
3342 | QIOChannelSocket *sioc; | |
3343 | ||
3344 | sioc = qio_channel_socket_new_fd(fd, NULL); | |
3345 | if (!sioc) { | |
3346 | return -1; | |
3347 | } | |
e93a68e1 | 3348 | tcp_chr_set_client_ioc_name(chr, sioc); |
9894dc0c DB |
3349 | ret = tcp_chr_new_client(chr, sioc); |
3350 | object_unref(OBJECT(sioc)); | |
3351 | return ret; | |
3352 | } | |
3353 | ||
3354 | static gboolean tcp_chr_accept(QIOChannel *channel, | |
3355 | GIOCondition cond, | |
3356 | void *opaque) | |
6f97dba0 | 3357 | { |
777357d7 | 3358 | Chardev *chr = CHARDEV(opaque); |
9894dc0c | 3359 | QIOChannelSocket *sioc; |
6f97dba0 | 3360 | |
9894dc0c DB |
3361 | sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel), |
3362 | NULL); | |
3363 | if (!sioc) { | |
3364 | return TRUE; | |
6f97dba0 | 3365 | } |
9894dc0c | 3366 | |
9894dc0c DB |
3367 | tcp_chr_new_client(chr, sioc); |
3368 | ||
3369 | object_unref(OBJECT(sioc)); | |
2ea5a7af AL |
3370 | |
3371 | return TRUE; | |
6f97dba0 AL |
3372 | } |
3373 | ||
0ec7b3e7 | 3374 | static int tcp_chr_wait_connected(Chardev *chr, Error **errp) |
d7a04fd7 | 3375 | { |
777357d7 | 3376 | SocketChardev *s = SOCKET_CHARDEV(chr); |
d7a04fd7 MAL |
3377 | QIOChannelSocket *sioc; |
3378 | ||
1dc8a669 MAL |
3379 | /* It can't wait on s->connected, since it is set asynchronously |
3380 | * in TLS and telnet cases, only wait for an accepted socket */ | |
3381 | while (!s->ioc) { | |
d7a04fd7 | 3382 | if (s->is_listen) { |
776a32a0 MAL |
3383 | error_report("QEMU waiting for connection on: %s", |
3384 | chr->filename); | |
d7a04fd7 MAL |
3385 | qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), true, NULL); |
3386 | tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr); | |
3387 | qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL); | |
3388 | } else { | |
3389 | sioc = qio_channel_socket_new(); | |
e93a68e1 | 3390 | tcp_chr_set_client_ioc_name(chr, sioc); |
d7a04fd7 MAL |
3391 | if (qio_channel_socket_connect_sync(sioc, s->addr, errp) < 0) { |
3392 | object_unref(OBJECT(sioc)); | |
3393 | return -1; | |
3394 | } | |
3395 | tcp_chr_new_client(chr, sioc); | |
3396 | object_unref(OBJECT(sioc)); | |
3397 | } | |
3398 | } | |
3399 | ||
3400 | return 0; | |
3401 | } | |
3402 | ||
0ec7b3e7 | 3403 | static int qemu_chr_wait_connected(Chardev *chr, Error **errp) |
6b6723c3 | 3404 | { |
777357d7 MAL |
3405 | ChardevClass *cc = CHARDEV_GET_CLASS(chr); |
3406 | ||
3407 | if (cc->chr_wait_connected) { | |
3408 | return cc->chr_wait_connected(chr, errp); | |
6b6723c3 MAL |
3409 | } |
3410 | ||
3411 | return 0; | |
3412 | } | |
3413 | ||
5345fdb4 MAL |
3414 | int qemu_chr_fe_wait_connected(CharBackend *be, Error **errp) |
3415 | { | |
fa394ed6 MAL |
3416 | if (!be->chr) { |
3417 | error_setg(errp, "missing associated backend"); | |
3418 | return -1; | |
3419 | } | |
3420 | ||
5345fdb4 MAL |
3421 | return qemu_chr_wait_connected(be->chr, errp); |
3422 | } | |
3423 | ||
2c3a5dcb | 3424 | static void char_socket_finalize(Object *obj) |
6f97dba0 | 3425 | { |
2c3a5dcb MAL |
3426 | Chardev *chr = CHARDEV(obj); |
3427 | SocketChardev *s = SOCKET_CHARDEV(obj); | |
5b498459 MAL |
3428 | |
3429 | tcp_chr_free_connection(chr); | |
cfb429cb | 3430 | |
5dd1f02b CM |
3431 | if (s->reconnect_timer) { |
3432 | g_source_remove(s->reconnect_timer); | |
3433 | s->reconnect_timer = 0; | |
3434 | } | |
cfb429cb | 3435 | qapi_free_SocketAddress(s->addr); |
9894dc0c DB |
3436 | if (s->listen_tag) { |
3437 | g_source_remove(s->listen_tag); | |
3438 | s->listen_tag = 0; | |
3439 | } | |
3440 | if (s->listen_ioc) { | |
3441 | object_unref(OBJECT(s->listen_ioc)); | |
819f56b7 | 3442 | } |
a8fb5427 DB |
3443 | if (s->tls_creds) { |
3444 | object_unref(OBJECT(s->tls_creds)); | |
3445 | } | |
41ac54b2 | 3446 | |
a425d23f | 3447 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
3448 | } |
3449 | ||
43ded1a0 | 3450 | |
60e705c5 | 3451 | static void qemu_chr_socket_connected(QIOTask *task, void *opaque) |
5dd1f02b | 3452 | { |
60e705c5 | 3453 | QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(qio_task_get_source(task)); |
777357d7 MAL |
3454 | Chardev *chr = CHARDEV(opaque); |
3455 | SocketChardev *s = SOCKET_CHARDEV(chr); | |
60e705c5 | 3456 | Error *err = NULL; |
5dd1f02b | 3457 | |
60e705c5 | 3458 | if (qio_task_propagate_error(task, &err)) { |
5008e5b7 | 3459 | check_report_connect_error(chr, err); |
60e705c5 DB |
3460 | error_free(err); |
3461 | goto cleanup; | |
5dd1f02b CM |
3462 | } |
3463 | ||
5008e5b7 | 3464 | s->connect_err_reported = false; |
f50dfe45 | 3465 | tcp_chr_new_client(chr, sioc); |
60e705c5 DB |
3466 | |
3467 | cleanup: | |
f50dfe45 | 3468 | object_unref(OBJECT(sioc)); |
5dd1f02b CM |
3469 | } |
3470 | ||
f6bd5d6e | 3471 | |
51767e7c | 3472 | /*********************************************************/ |
3949e594 | 3473 | /* Ring buffer chardev */ |
51767e7c LL |
3474 | |
3475 | typedef struct { | |
0ec7b3e7 | 3476 | Chardev parent; |
51767e7c LL |
3477 | size_t size; |
3478 | size_t prod; | |
3479 | size_t cons; | |
3480 | uint8_t *cbuf; | |
0ec7b3e7 | 3481 | } RingBufChardev; |
51767e7c | 3482 | |
777357d7 MAL |
3483 | #define RINGBUF_CHARDEV(obj) \ |
3484 | OBJECT_CHECK(RingBufChardev, (obj), TYPE_CHARDEV_RINGBUF) | |
3485 | ||
0ec7b3e7 | 3486 | static size_t ringbuf_count(const Chardev *chr) |
51767e7c | 3487 | { |
777357d7 | 3488 | const RingBufChardev *d = RINGBUF_CHARDEV(chr); |
51767e7c | 3489 | |
5c230105 | 3490 | return d->prod - d->cons; |
51767e7c LL |
3491 | } |
3492 | ||
9005b2a7 | 3493 | /* Called with chr_write_lock held. */ |
0ec7b3e7 | 3494 | static int ringbuf_chr_write(Chardev *chr, const uint8_t *buf, int len) |
51767e7c | 3495 | { |
777357d7 | 3496 | RingBufChardev *d = RINGBUF_CHARDEV(chr); |
51767e7c LL |
3497 | int i; |
3498 | ||
3499 | if (!buf || (len < 0)) { | |
3500 | return -1; | |
3501 | } | |
3502 | ||
3503 | for (i = 0; i < len; i++ ) { | |
5c230105 MA |
3504 | d->cbuf[d->prod++ & (d->size - 1)] = buf[i]; |
3505 | if (d->prod - d->cons > d->size) { | |
51767e7c LL |
3506 | d->cons = d->prod - d->size; |
3507 | } | |
3508 | } | |
3509 | ||
5c936a83 | 3510 | return len; |
51767e7c LL |
3511 | } |
3512 | ||
0ec7b3e7 | 3513 | static int ringbuf_chr_read(Chardev *chr, uint8_t *buf, int len) |
51767e7c | 3514 | { |
777357d7 | 3515 | RingBufChardev *d = RINGBUF_CHARDEV(chr); |
51767e7c LL |
3516 | int i; |
3517 | ||
9005b2a7 | 3518 | qemu_mutex_lock(&chr->chr_write_lock); |
5c230105 MA |
3519 | for (i = 0; i < len && d->cons != d->prod; i++) { |
3520 | buf[i] = d->cbuf[d->cons++ & (d->size - 1)]; | |
51767e7c | 3521 | } |
9005b2a7 | 3522 | qemu_mutex_unlock(&chr->chr_write_lock); |
51767e7c LL |
3523 | |
3524 | return i; | |
3525 | } | |
3526 | ||
9fa2f7a4 | 3527 | static void char_ringbuf_finalize(Object *obj) |
51767e7c | 3528 | { |
9fa2f7a4 | 3529 | RingBufChardev *d = RINGBUF_CHARDEV(obj); |
51767e7c LL |
3530 | |
3531 | g_free(d->cbuf); | |
51767e7c LL |
3532 | } |
3533 | ||
777357d7 MAL |
3534 | static void qemu_chr_open_ringbuf(Chardev *chr, |
3535 | ChardevBackend *backend, | |
3536 | bool *be_opened, | |
3537 | Error **errp) | |
51767e7c | 3538 | { |
32bafa8f | 3539 | ChardevRingbuf *opts = backend->u.ringbuf.data; |
777357d7 | 3540 | RingBufChardev *d = RINGBUF_CHARDEV(chr); |
51767e7c | 3541 | |
1da48c65 | 3542 | d->size = opts->has_size ? opts->size : 65536; |
51767e7c LL |
3543 | |
3544 | /* The size must be power of 2 */ | |
3545 | if (d->size & (d->size - 1)) { | |
4f57378f | 3546 | error_setg(errp, "size of ringbuf chardev must be power of two"); |
777357d7 | 3547 | return; |
51767e7c LL |
3548 | } |
3549 | ||
3550 | d->prod = 0; | |
3551 | d->cons = 0; | |
3552 | d->cbuf = g_malloc0(d->size); | |
1f590cf9 LL |
3553 | } |
3554 | ||
3949e594 | 3555 | void qmp_ringbuf_write(const char *device, const char *data, |
82e59a67 | 3556 | bool has_format, enum DataFormat format, |
1f590cf9 LL |
3557 | Error **errp) |
3558 | { | |
0ec7b3e7 | 3559 | Chardev *chr; |
c4f331b6 | 3560 | const uint8_t *write_data; |
1f590cf9 | 3561 | int ret; |
3d1bba20 | 3562 | gsize write_count; |
1f590cf9 LL |
3563 | |
3564 | chr = qemu_chr_find(device); | |
3565 | if (!chr) { | |
1a69278e | 3566 | error_setg(errp, "Device '%s' not found", device); |
1f590cf9 LL |
3567 | return; |
3568 | } | |
3569 | ||
777357d7 | 3570 | if (!CHARDEV_IS_RINGBUF(chr)) { |
3949e594 | 3571 | error_setg(errp,"%s is not a ringbuf device", device); |
1f590cf9 LL |
3572 | return; |
3573 | } | |
3574 | ||
1f590cf9 | 3575 | if (has_format && (format == DATA_FORMAT_BASE64)) { |
e9cf2fe0 DB |
3576 | write_data = qbase64_decode(data, -1, |
3577 | &write_count, | |
3578 | errp); | |
3579 | if (!write_data) { | |
3580 | return; | |
3581 | } | |
1f590cf9 LL |
3582 | } else { |
3583 | write_data = (uint8_t *)data; | |
82e59a67 | 3584 | write_count = strlen(data); |
1f590cf9 LL |
3585 | } |
3586 | ||
3949e594 | 3587 | ret = ringbuf_chr_write(chr, write_data, write_count); |
1f590cf9 | 3588 | |
13289fb5 MA |
3589 | if (write_data != (uint8_t *)data) { |
3590 | g_free((void *)write_data); | |
3591 | } | |
3592 | ||
1f590cf9 LL |
3593 | if (ret < 0) { |
3594 | error_setg(errp, "Failed to write to device %s", device); | |
3595 | return; | |
3596 | } | |
3597 | } | |
3598 | ||
3949e594 | 3599 | char *qmp_ringbuf_read(const char *device, int64_t size, |
3ab651fc MA |
3600 | bool has_format, enum DataFormat format, |
3601 | Error **errp) | |
49b6d722 | 3602 | { |
0ec7b3e7 | 3603 | Chardev *chr; |
c4f331b6 | 3604 | uint8_t *read_data; |
49b6d722 | 3605 | size_t count; |
3ab651fc | 3606 | char *data; |
49b6d722 LL |
3607 | |
3608 | chr = qemu_chr_find(device); | |
3609 | if (!chr) { | |
1a69278e | 3610 | error_setg(errp, "Device '%s' not found", device); |
49b6d722 LL |
3611 | return NULL; |
3612 | } | |
3613 | ||
777357d7 | 3614 | if (!CHARDEV_IS_RINGBUF(chr)) { |
3949e594 | 3615 | error_setg(errp,"%s is not a ringbuf device", device); |
49b6d722 LL |
3616 | return NULL; |
3617 | } | |
3618 | ||
3619 | if (size <= 0) { | |
3620 | error_setg(errp, "size must be greater than zero"); | |
3621 | return NULL; | |
3622 | } | |
3623 | ||
3949e594 | 3624 | count = ringbuf_count(chr); |
49b6d722 | 3625 | size = size > count ? count : size; |
44f3bcd2 | 3626 | read_data = g_malloc(size + 1); |
49b6d722 | 3627 | |
3949e594 | 3628 | ringbuf_chr_read(chr, read_data, size); |
49b6d722 LL |
3629 | |
3630 | if (has_format && (format == DATA_FORMAT_BASE64)) { | |
3ab651fc | 3631 | data = g_base64_encode(read_data, size); |
13289fb5 | 3632 | g_free(read_data); |
49b6d722 | 3633 | } else { |
3949e594 MA |
3634 | /* |
3635 | * FIXME should read only complete, valid UTF-8 characters up | |
3636 | * to @size bytes. Invalid sequences should be replaced by a | |
3637 | * suitable replacement character. Except when (and only | |
3638 | * when) ring buffer lost characters since last read, initial | |
3639 | * continuation characters should be dropped. | |
3640 | */ | |
44f3bcd2 | 3641 | read_data[size] = 0; |
3ab651fc | 3642 | data = (char *)read_data; |
49b6d722 LL |
3643 | } |
3644 | ||
3ab651fc | 3645 | return data; |
49b6d722 LL |
3646 | } |
3647 | ||
33521634 | 3648 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 3649 | { |
6ea314d9 | 3650 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 3651 | int pos; |
7d31544f | 3652 | const char *p; |
191bc01b | 3653 | QemuOpts *opts; |
8be7e7e4 | 3654 | Error *local_err = NULL; |
191bc01b | 3655 | |
8be7e7e4 | 3656 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1, &local_err); |
84d18f06 | 3657 | if (local_err) { |
33394884 | 3658 | error_report_err(local_err); |
191bc01b | 3659 | return NULL; |
8be7e7e4 | 3660 | } |
191bc01b | 3661 | |
7591c5c1 GH |
3662 | if (strstart(filename, "mon:", &p)) { |
3663 | filename = p; | |
f43e47db | 3664 | qemu_opt_set(opts, "mux", "on", &error_abort); |
02c4bdf1 PB |
3665 | if (strcmp(filename, "stdio") == 0) { |
3666 | /* Monitor is muxed to stdio: do not exit on Ctrl+C by default | |
3667 | * but pass it to the guest. Handle this only for compat syntax, | |
3668 | * for -chardev syntax we have special option for this. | |
3669 | * This is what -nographic did, redirecting+muxing serial+monitor | |
3670 | * to stdio causing Ctrl+C to be passed to guest. */ | |
f43e47db | 3671 | qemu_opt_set(opts, "signal", "off", &error_abort); |
02c4bdf1 | 3672 | } |
7591c5c1 GH |
3673 | } |
3674 | ||
f0457e8d GH |
3675 | if (strcmp(filename, "null") == 0 || |
3676 | strcmp(filename, "pty") == 0 || | |
3677 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 3678 | strcmp(filename, "braille") == 0 || |
5692399f | 3679 | strcmp(filename, "testdev") == 0 || |
f0457e8d | 3680 | strcmp(filename, "stdio") == 0) { |
f43e47db | 3681 | qemu_opt_set(opts, "backend", filename, &error_abort); |
191bc01b GH |
3682 | return opts; |
3683 | } | |
6ea314d9 | 3684 | if (strstart(filename, "vc", &p)) { |
f43e47db | 3685 | qemu_opt_set(opts, "backend", "vc", &error_abort); |
6ea314d9 | 3686 | if (*p == ':') { |
49aa4058 | 3687 | if (sscanf(p+1, "%7[0-9]x%7[0-9]", width, height) == 2) { |
6ea314d9 | 3688 | /* pixels */ |
f43e47db MA |
3689 | qemu_opt_set(opts, "width", width, &error_abort); |
3690 | qemu_opt_set(opts, "height", height, &error_abort); | |
49aa4058 | 3691 | } else if (sscanf(p+1, "%7[0-9]Cx%7[0-9]C", width, height) == 2) { |
6ea314d9 | 3692 | /* chars */ |
f43e47db MA |
3693 | qemu_opt_set(opts, "cols", width, &error_abort); |
3694 | qemu_opt_set(opts, "rows", height, &error_abort); | |
6ea314d9 GH |
3695 | } else { |
3696 | goto fail; | |
3697 | } | |
3698 | } | |
3699 | return opts; | |
3700 | } | |
d6c983cd | 3701 | if (strcmp(filename, "con:") == 0) { |
f43e47db | 3702 | qemu_opt_set(opts, "backend", "console", &error_abort); |
d6c983cd GH |
3703 | return opts; |
3704 | } | |
48b76496 | 3705 | if (strstart(filename, "COM", NULL)) { |
f43e47db MA |
3706 | qemu_opt_set(opts, "backend", "serial", &error_abort); |
3707 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3708 | return opts; |
3709 | } | |
7d31544f | 3710 | if (strstart(filename, "file:", &p)) { |
f43e47db MA |
3711 | qemu_opt_set(opts, "backend", "file", &error_abort); |
3712 | qemu_opt_set(opts, "path", p, &error_abort); | |
7d31544f GH |
3713 | return opts; |
3714 | } | |
3715 | if (strstart(filename, "pipe:", &p)) { | |
f43e47db MA |
3716 | qemu_opt_set(opts, "backend", "pipe", &error_abort); |
3717 | qemu_opt_set(opts, "path", p, &error_abort); | |
7d31544f GH |
3718 | return opts; |
3719 | } | |
aeb2c47a GH |
3720 | if (strstart(filename, "tcp:", &p) || |
3721 | strstart(filename, "telnet:", &p)) { | |
3722 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3723 | host[0] = 0; | |
3724 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
3725 | goto fail; | |
3726 | } | |
f43e47db MA |
3727 | qemu_opt_set(opts, "backend", "socket", &error_abort); |
3728 | qemu_opt_set(opts, "host", host, &error_abort); | |
3729 | qemu_opt_set(opts, "port", port, &error_abort); | |
aeb2c47a | 3730 | if (p[pos] == ',') { |
dc523cd3 MA |
3731 | qemu_opts_do_parse(opts, p+pos+1, NULL, &local_err); |
3732 | if (local_err) { | |
3733 | error_report_err(local_err); | |
aeb2c47a | 3734 | goto fail; |
dc523cd3 | 3735 | } |
aeb2c47a GH |
3736 | } |
3737 | if (strstart(filename, "telnet:", &p)) | |
f43e47db | 3738 | qemu_opt_set(opts, "telnet", "on", &error_abort); |
aeb2c47a GH |
3739 | return opts; |
3740 | } | |
7e1b35b4 | 3741 | if (strstart(filename, "udp:", &p)) { |
f43e47db | 3742 | qemu_opt_set(opts, "backend", "udp", &error_abort); |
7e1b35b4 GH |
3743 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
3744 | host[0] = 0; | |
39324ca4 | 3745 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
3746 | goto fail; |
3747 | } | |
3748 | } | |
f43e47db MA |
3749 | qemu_opt_set(opts, "host", host, &error_abort); |
3750 | qemu_opt_set(opts, "port", port, &error_abort); | |
7e1b35b4 GH |
3751 | if (p[pos] == '@') { |
3752 | p += pos + 1; | |
3753 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
3754 | host[0] = 0; | |
3755 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
3756 | goto fail; |
3757 | } | |
3758 | } | |
f43e47db MA |
3759 | qemu_opt_set(opts, "localaddr", host, &error_abort); |
3760 | qemu_opt_set(opts, "localport", port, &error_abort); | |
7e1b35b4 GH |
3761 | } |
3762 | return opts; | |
3763 | } | |
aeb2c47a | 3764 | if (strstart(filename, "unix:", &p)) { |
f43e47db | 3765 | qemu_opt_set(opts, "backend", "socket", &error_abort); |
dc523cd3 MA |
3766 | qemu_opts_do_parse(opts, p, "path", &local_err); |
3767 | if (local_err) { | |
3768 | error_report_err(local_err); | |
aeb2c47a | 3769 | goto fail; |
dc523cd3 | 3770 | } |
aeb2c47a GH |
3771 | return opts; |
3772 | } | |
48b76496 GH |
3773 | if (strstart(filename, "/dev/parport", NULL) || |
3774 | strstart(filename, "/dev/ppi", NULL)) { | |
f43e47db MA |
3775 | qemu_opt_set(opts, "backend", "parport", &error_abort); |
3776 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3777 | return opts; |
3778 | } | |
3779 | if (strstart(filename, "/dev/", NULL)) { | |
f43e47db MA |
3780 | qemu_opt_set(opts, "backend", "tty", &error_abort); |
3781 | qemu_opt_set(opts, "path", filename, &error_abort); | |
48b76496 GH |
3782 | return opts; |
3783 | } | |
191bc01b | 3784 | |
aeb2c47a | 3785 | fail: |
191bc01b GH |
3786 | qemu_opts_del(opts); |
3787 | return NULL; | |
3788 | } | |
3789 | ||
21a933ea | 3790 | void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend) |
d0d7708b DB |
3791 | { |
3792 | const char *logfile = qemu_opt_get(opts, "logfile"); | |
3793 | ||
3794 | backend->has_logfile = logfile != NULL; | |
3795 | backend->logfile = logfile ? g_strdup(logfile) : NULL; | |
3796 | ||
3797 | backend->has_logappend = true; | |
3798 | backend->logappend = qemu_opt_get_bool(opts, "logappend", false); | |
3799 | } | |
3800 | ||
3801 | ||
846e2e49 GH |
3802 | static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend, |
3803 | Error **errp) | |
3804 | { | |
3805 | const char *path = qemu_opt_get(opts, "path"); | |
f194a1ae | 3806 | ChardevFile *file; |
846e2e49 | 3807 | |
0b663b7d | 3808 | backend->type = CHARDEV_BACKEND_KIND_FILE; |
846e2e49 GH |
3809 | if (path == NULL) { |
3810 | error_setg(errp, "chardev: file: no filename given"); | |
3811 | return; | |
3812 | } | |
32bafa8f | 3813 | file = backend->u.file.data = g_new0(ChardevFile, 1); |
f194a1ae EB |
3814 | qemu_chr_parse_common(opts, qapi_ChardevFile_base(file)); |
3815 | file->out = g_strdup(path); | |
31e38a22 | 3816 | |
f194a1ae EB |
3817 | file->has_append = true; |
3818 | file->append = qemu_opt_get_bool(opts, "append", false); | |
846e2e49 GH |
3819 | } |
3820 | ||
7c358031 GH |
3821 | static void qemu_chr_parse_stdio(QemuOpts *opts, ChardevBackend *backend, |
3822 | Error **errp) | |
3823 | { | |
f194a1ae EB |
3824 | ChardevStdio *stdio; |
3825 | ||
0b663b7d | 3826 | backend->type = CHARDEV_BACKEND_KIND_STDIO; |
32bafa8f | 3827 | stdio = backend->u.stdio.data = g_new0(ChardevStdio, 1); |
f194a1ae EB |
3828 | qemu_chr_parse_common(opts, qapi_ChardevStdio_base(stdio)); |
3829 | stdio->has_signal = true; | |
3830 | stdio->signal = qemu_opt_get_bool(opts, "signal", true); | |
7c358031 GH |
3831 | } |
3832 | ||
777357d7 MAL |
3833 | static void char_stdio_class_init(ObjectClass *oc, void *data) |
3834 | { | |
3835 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
3836 | ||
88cace9f | 3837 | cc->parse = qemu_chr_parse_stdio; |
777357d7 | 3838 | cc->open = qemu_chr_open_stdio; |
b68e956a | 3839 | #ifdef _WIN32 |
777357d7 MAL |
3840 | cc->chr_write = win_stdio_write; |
3841 | cc->chr_set_echo = qemu_chr_set_echo_win_stdio; | |
b68e956a | 3842 | #else |
777357d7 | 3843 | cc->chr_set_echo = qemu_chr_set_echo_stdio; |
b68e956a | 3844 | #endif |
777357d7 MAL |
3845 | } |
3846 | ||
3847 | static const TypeInfo char_stdio_type_info = { | |
3848 | .name = TYPE_CHARDEV_STDIO, | |
3849 | #ifdef _WIN32 | |
3850 | .parent = TYPE_CHARDEV_WIN_STDIO, | |
3851 | #else | |
3852 | .parent = TYPE_CHARDEV_FD, | |
4d833ada | 3853 | .instance_finalize = char_stdio_finalize, |
777357d7 MAL |
3854 | #endif |
3855 | .class_init = char_stdio_class_init, | |
b68e956a MAL |
3856 | }; |
3857 | ||
6511d396 | 3858 | #ifdef HAVE_CHARDEV_SERIAL |
0f1cb51d GH |
3859 | static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend, |
3860 | Error **errp) | |
3861 | { | |
3862 | const char *device = qemu_opt_get(opts, "path"); | |
f194a1ae | 3863 | ChardevHostdev *serial; |
0f1cb51d | 3864 | |
0b663b7d | 3865 | backend->type = CHARDEV_BACKEND_KIND_SERIAL; |
0f1cb51d GH |
3866 | if (device == NULL) { |
3867 | error_setg(errp, "chardev: serial/tty: no device path given"); | |
3868 | return; | |
3869 | } | |
32bafa8f | 3870 | serial = backend->u.serial.data = g_new0(ChardevHostdev, 1); |
f194a1ae EB |
3871 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(serial)); |
3872 | serial->device = g_strdup(device); | |
0f1cb51d | 3873 | } |
6511d396 | 3874 | #endif |
0f1cb51d | 3875 | |
38bfb1a6 | 3876 | #ifdef HAVE_CHARDEV_PARPORT |
dc375097 GH |
3877 | static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend, |
3878 | Error **errp) | |
3879 | { | |
3880 | const char *device = qemu_opt_get(opts, "path"); | |
f194a1ae | 3881 | ChardevHostdev *parallel; |
dc375097 | 3882 | |
0b663b7d | 3883 | backend->type = CHARDEV_BACKEND_KIND_PARALLEL; |
dc375097 GH |
3884 | if (device == NULL) { |
3885 | error_setg(errp, "chardev: parallel: no device path given"); | |
3886 | return; | |
3887 | } | |
32bafa8f | 3888 | parallel = backend->u.parallel.data = g_new0(ChardevHostdev, 1); |
f194a1ae EB |
3889 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(parallel)); |
3890 | parallel->device = g_strdup(device); | |
dc375097 | 3891 | } |
38bfb1a6 | 3892 | #endif |
dc375097 | 3893 | |
548cbb36 GH |
3894 | static void qemu_chr_parse_pipe(QemuOpts *opts, ChardevBackend *backend, |
3895 | Error **errp) | |
3896 | { | |
3897 | const char *device = qemu_opt_get(opts, "path"); | |
f194a1ae | 3898 | ChardevHostdev *dev; |
548cbb36 | 3899 | |
0b663b7d | 3900 | backend->type = CHARDEV_BACKEND_KIND_PIPE; |
548cbb36 GH |
3901 | if (device == NULL) { |
3902 | error_setg(errp, "chardev: pipe: no device path given"); | |
3903 | return; | |
3904 | } | |
32bafa8f | 3905 | dev = backend->u.pipe.data = g_new0(ChardevHostdev, 1); |
f194a1ae EB |
3906 | qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(dev)); |
3907 | dev->device = g_strdup(device); | |
548cbb36 GH |
3908 | } |
3909 | ||
777357d7 MAL |
3910 | static void char_pipe_class_init(ObjectClass *oc, void *data) |
3911 | { | |
3912 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
3913 | ||
88cace9f | 3914 | cc->parse = qemu_chr_parse_pipe; |
777357d7 MAL |
3915 | cc->open = qemu_chr_open_pipe; |
3916 | } | |
3917 | ||
3918 | static const TypeInfo char_pipe_type_info = { | |
3919 | .name = TYPE_CHARDEV_PIPE, | |
b68e956a | 3920 | #ifdef _WIN32 |
777357d7 | 3921 | .parent = TYPE_CHARDEV_WIN, |
b68e956a | 3922 | #else |
777357d7 | 3923 | .parent = TYPE_CHARDEV_FD, |
b68e956a | 3924 | #endif |
777357d7 | 3925 | .class_init = char_pipe_class_init, |
b68e956a MAL |
3926 | }; |
3927 | ||
4f57378f MA |
3928 | static void qemu_chr_parse_ringbuf(QemuOpts *opts, ChardevBackend *backend, |
3929 | Error **errp) | |
1da48c65 GH |
3930 | { |
3931 | int val; | |
f194a1ae | 3932 | ChardevRingbuf *ringbuf; |
1da48c65 | 3933 | |
0b663b7d | 3934 | backend->type = CHARDEV_BACKEND_KIND_RINGBUF; |
32bafa8f | 3935 | ringbuf = backend->u.ringbuf.data = g_new0(ChardevRingbuf, 1); |
f194a1ae | 3936 | qemu_chr_parse_common(opts, qapi_ChardevRingbuf_base(ringbuf)); |
1da48c65 | 3937 | |
0f953051 | 3938 | val = qemu_opt_get_size(opts, "size", 0); |
1da48c65 | 3939 | if (val != 0) { |
f194a1ae EB |
3940 | ringbuf->has_size = true; |
3941 | ringbuf->size = val; | |
1da48c65 GH |
3942 | } |
3943 | } | |
3944 | ||
777357d7 MAL |
3945 | static void char_ringbuf_class_init(ObjectClass *oc, void *data) |
3946 | { | |
3947 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
3948 | ||
88cace9f | 3949 | cc->parse = qemu_chr_parse_ringbuf; |
777357d7 MAL |
3950 | cc->open = qemu_chr_open_ringbuf; |
3951 | cc->chr_write = ringbuf_chr_write; | |
777357d7 MAL |
3952 | } |
3953 | ||
3954 | static const TypeInfo char_ringbuf_type_info = { | |
3955 | .name = TYPE_CHARDEV_RINGBUF, | |
3956 | .parent = TYPE_CHARDEV, | |
3957 | .class_init = char_ringbuf_class_init, | |
3958 | .instance_size = sizeof(RingBufChardev), | |
9fa2f7a4 | 3959 | .instance_finalize = char_ringbuf_finalize, |
b68e956a MAL |
3960 | }; |
3961 | ||
3962 | /* Bug-compatibility: */ | |
777357d7 MAL |
3963 | static const TypeInfo char_memory_type_info = { |
3964 | .name = TYPE_CHARDEV_MEMORY, | |
3965 | .parent = TYPE_CHARDEV_RINGBUF, | |
b68e956a MAL |
3966 | }; |
3967 | ||
bb6fb7c0 GH |
3968 | static void qemu_chr_parse_mux(QemuOpts *opts, ChardevBackend *backend, |
3969 | Error **errp) | |
3970 | { | |
3971 | const char *chardev = qemu_opt_get(opts, "chardev"); | |
f194a1ae | 3972 | ChardevMux *mux; |
bb6fb7c0 | 3973 | |
0b663b7d | 3974 | backend->type = CHARDEV_BACKEND_KIND_MUX; |
bb6fb7c0 GH |
3975 | if (chardev == NULL) { |
3976 | error_setg(errp, "chardev: mux: no chardev given"); | |
3977 | return; | |
3978 | } | |
32bafa8f | 3979 | mux = backend->u.mux.data = g_new0(ChardevMux, 1); |
f194a1ae EB |
3980 | qemu_chr_parse_common(opts, qapi_ChardevMux_base(mux)); |
3981 | mux->chardev = g_strdup(chardev); | |
bb6fb7c0 GH |
3982 | } |
3983 | ||
777357d7 MAL |
3984 | static void char_mux_class_init(ObjectClass *oc, void *data) |
3985 | { | |
3986 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
3987 | ||
88cace9f | 3988 | cc->parse = qemu_chr_parse_mux; |
777357d7 | 3989 | cc->open = qemu_chr_open_mux; |
777357d7 MAL |
3990 | cc->chr_write = mux_chr_write; |
3991 | cc->chr_accept_input = mux_chr_accept_input; | |
3992 | cc->chr_add_watch = mux_chr_add_watch; | |
3993 | } | |
3994 | ||
3995 | static const TypeInfo char_mux_type_info = { | |
3996 | .name = TYPE_CHARDEV_MUX, | |
3997 | .parent = TYPE_CHARDEV, | |
3998 | .class_init = char_mux_class_init, | |
3999 | .instance_size = sizeof(MuxChardev), | |
980d0414 | 4000 | .instance_finalize = char_mux_finalize, |
b68e956a MAL |
4001 | }; |
4002 | ||
dafd325d PM |
4003 | static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend, |
4004 | Error **errp) | |
4005 | { | |
4006 | bool is_listen = qemu_opt_get_bool(opts, "server", false); | |
4007 | bool is_waitconnect = is_listen && qemu_opt_get_bool(opts, "wait", true); | |
4008 | bool is_telnet = qemu_opt_get_bool(opts, "telnet", false); | |
4009 | bool do_nodelay = !qemu_opt_get_bool(opts, "delay", true); | |
5dd1f02b | 4010 | int64_t reconnect = qemu_opt_get_number(opts, "reconnect", 0); |
dafd325d PM |
4011 | const char *path = qemu_opt_get(opts, "path"); |
4012 | const char *host = qemu_opt_get(opts, "host"); | |
4013 | const char *port = qemu_opt_get(opts, "port"); | |
a8fb5427 | 4014 | const char *tls_creds = qemu_opt_get(opts, "tls-creds"); |
dafd325d | 4015 | SocketAddress *addr; |
f194a1ae | 4016 | ChardevSocket *sock; |
dafd325d | 4017 | |
0b663b7d | 4018 | backend->type = CHARDEV_BACKEND_KIND_SOCKET; |
dafd325d PM |
4019 | if (!path) { |
4020 | if (!host) { | |
4021 | error_setg(errp, "chardev: socket: no host given"); | |
4022 | return; | |
4023 | } | |
4024 | if (!port) { | |
4025 | error_setg(errp, "chardev: socket: no port given"); | |
4026 | return; | |
4027 | } | |
a8fb5427 DB |
4028 | } else { |
4029 | if (tls_creds) { | |
4030 | error_setg(errp, "TLS can only be used over TCP socket"); | |
4031 | return; | |
4032 | } | |
dafd325d PM |
4033 | } |
4034 | ||
32bafa8f | 4035 | sock = backend->u.socket.data = g_new0(ChardevSocket, 1); |
f194a1ae | 4036 | qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock)); |
dafd325d | 4037 | |
f194a1ae EB |
4038 | sock->has_nodelay = true; |
4039 | sock->nodelay = do_nodelay; | |
4040 | sock->has_server = true; | |
4041 | sock->server = is_listen; | |
4042 | sock->has_telnet = true; | |
4043 | sock->telnet = is_telnet; | |
4044 | sock->has_wait = true; | |
4045 | sock->wait = is_waitconnect; | |
4046 | sock->has_reconnect = true; | |
4047 | sock->reconnect = reconnect; | |
4048 | sock->tls_creds = g_strdup(tls_creds); | |
dafd325d PM |
4049 | |
4050 | addr = g_new0(SocketAddress, 1); | |
4051 | if (path) { | |
0399293e | 4052 | UnixSocketAddress *q_unix; |
130257dc | 4053 | addr->type = SOCKET_ADDRESS_KIND_UNIX; |
32bafa8f | 4054 | q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
0399293e | 4055 | q_unix->path = g_strdup(path); |
dafd325d | 4056 | } else { |
130257dc | 4057 | addr->type = SOCKET_ADDRESS_KIND_INET; |
32bafa8f EB |
4058 | addr->u.inet.data = g_new(InetSocketAddress, 1); |
4059 | *addr->u.inet.data = (InetSocketAddress) { | |
0399293e EB |
4060 | .host = g_strdup(host), |
4061 | .port = g_strdup(port), | |
4062 | .has_to = qemu_opt_get(opts, "to"), | |
4063 | .to = qemu_opt_get_number(opts, "to", 0), | |
4064 | .has_ipv4 = qemu_opt_get(opts, "ipv4"), | |
4065 | .ipv4 = qemu_opt_get_bool(opts, "ipv4", 0), | |
4066 | .has_ipv6 = qemu_opt_get(opts, "ipv6"), | |
4067 | .ipv6 = qemu_opt_get_bool(opts, "ipv6", 0), | |
4068 | }; | |
dafd325d | 4069 | } |
f194a1ae | 4070 | sock->addr = addr; |
dafd325d PM |
4071 | } |
4072 | ||
90a14bfe PM |
4073 | static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend, |
4074 | Error **errp) | |
4075 | { | |
4076 | const char *host = qemu_opt_get(opts, "host"); | |
4077 | const char *port = qemu_opt_get(opts, "port"); | |
4078 | const char *localaddr = qemu_opt_get(opts, "localaddr"); | |
4079 | const char *localport = qemu_opt_get(opts, "localport"); | |
4080 | bool has_local = false; | |
4081 | SocketAddress *addr; | |
f194a1ae | 4082 | ChardevUdp *udp; |
90a14bfe | 4083 | |
0b663b7d | 4084 | backend->type = CHARDEV_BACKEND_KIND_UDP; |
90a14bfe PM |
4085 | if (host == NULL || strlen(host) == 0) { |
4086 | host = "localhost"; | |
4087 | } | |
4088 | if (port == NULL || strlen(port) == 0) { | |
4089 | error_setg(errp, "chardev: udp: remote port not specified"); | |
4090 | return; | |
4091 | } | |
4092 | if (localport == NULL || strlen(localport) == 0) { | |
4093 | localport = "0"; | |
4094 | } else { | |
4095 | has_local = true; | |
4096 | } | |
4097 | if (localaddr == NULL || strlen(localaddr) == 0) { | |
4098 | localaddr = ""; | |
4099 | } else { | |
4100 | has_local = true; | |
4101 | } | |
4102 | ||
32bafa8f | 4103 | udp = backend->u.udp.data = g_new0(ChardevUdp, 1); |
f194a1ae | 4104 | qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp)); |
90a14bfe PM |
4105 | |
4106 | addr = g_new0(SocketAddress, 1); | |
130257dc | 4107 | addr->type = SOCKET_ADDRESS_KIND_INET; |
32bafa8f EB |
4108 | addr->u.inet.data = g_new(InetSocketAddress, 1); |
4109 | *addr->u.inet.data = (InetSocketAddress) { | |
0399293e EB |
4110 | .host = g_strdup(host), |
4111 | .port = g_strdup(port), | |
4112 | .has_ipv4 = qemu_opt_get(opts, "ipv4"), | |
4113 | .ipv4 = qemu_opt_get_bool(opts, "ipv4", 0), | |
4114 | .has_ipv6 = qemu_opt_get(opts, "ipv6"), | |
4115 | .ipv6 = qemu_opt_get_bool(opts, "ipv6", 0), | |
4116 | }; | |
f194a1ae | 4117 | udp->remote = addr; |
90a14bfe PM |
4118 | |
4119 | if (has_local) { | |
f194a1ae | 4120 | udp->has_local = true; |
90a14bfe | 4121 | addr = g_new0(SocketAddress, 1); |
130257dc | 4122 | addr->type = SOCKET_ADDRESS_KIND_INET; |
32bafa8f EB |
4123 | addr->u.inet.data = g_new(InetSocketAddress, 1); |
4124 | *addr->u.inet.data = (InetSocketAddress) { | |
0399293e EB |
4125 | .host = g_strdup(localaddr), |
4126 | .port = g_strdup(localport), | |
4127 | }; | |
f194a1ae | 4128 | udp->local = addr; |
90a14bfe PM |
4129 | } |
4130 | } | |
4131 | ||
88cace9f MAL |
4132 | static const ChardevClass *char_get_class(const char *driver, Error **errp) |
4133 | { | |
4134 | ObjectClass *oc; | |
4135 | const ChardevClass *cc; | |
4136 | char *typename = g_strdup_printf("chardev-%s", driver); | |
4137 | ||
4138 | oc = object_class_by_name(typename); | |
4139 | g_free(typename); | |
4140 | ||
4141 | if (!object_class_dynamic_cast(oc, TYPE_CHARDEV)) { | |
4142 | error_setg(errp, "'%s' is not a valid char driver name", driver); | |
4143 | return NULL; | |
4144 | } | |
d654f34e | 4145 | |
88cace9f MAL |
4146 | if (object_class_is_abstract(oc)) { |
4147 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", | |
4148 | "abstract device type"); | |
4149 | return NULL; | |
4150 | } | |
4151 | ||
4152 | cc = CHARDEV_CLASS(oc); | |
4153 | if (cc->internal) { | |
4154 | error_setg(errp, "'%s' is not a valid char driver name", driver); | |
4155 | return NULL; | |
4156 | } | |
4157 | ||
4158 | return cc; | |
4159 | } | |
4160 | ||
0b663b7d MAL |
4161 | static Chardev *qemu_chardev_add(const char *id, const char *typename, |
4162 | ChardevBackend *backend, Error **errp) | |
4163 | { | |
4164 | Chardev *chr; | |
4165 | ||
4166 | chr = qemu_chr_find(id); | |
4167 | if (chr) { | |
4168 | error_setg(errp, "Chardev '%s' already exists", id); | |
4169 | return NULL; | |
4170 | } | |
4171 | ||
4172 | chr = qemu_chardev_new(id, typename, backend, errp); | |
4173 | if (!chr) { | |
4174 | return NULL; | |
4175 | } | |
4176 | ||
4177 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); | |
4178 | return chr; | |
4179 | } | |
4180 | ||
88cace9f MAL |
4181 | static const struct ChardevAlias { |
4182 | const char *typename; | |
4183 | const char *alias; | |
4184 | } chardev_alias_table[] = { | |
4185 | #ifdef HAVE_CHARDEV_PARPORT | |
4186 | { "parallel", "parport" }, | |
4187 | #endif | |
4188 | #ifdef HAVE_CHARDEV_SERIAL | |
4189 | { "serial", "tty" }, | |
4190 | #endif | |
4191 | }; | |
4192 | ||
4193 | typedef struct ChadevClassFE { | |
4194 | void (*fn)(const char *name, void *opaque); | |
4195 | void *opaque; | |
4196 | } ChadevClassFE; | |
4197 | ||
4198 | static void | |
4199 | chardev_class_foreach(ObjectClass *klass, void *opaque) | |
2c5f4882 | 4200 | { |
88cace9f MAL |
4201 | ChadevClassFE *fe = opaque; |
4202 | ||
4203 | assert(g_str_has_prefix(object_class_get_name(klass), "chardev-")); | |
4204 | if (CHARDEV_CLASS(klass)->internal) { | |
4205 | return; | |
4206 | } | |
4207 | ||
4208 | fe->fn(object_class_get_name(klass) + 8, fe->opaque); | |
4209 | } | |
4210 | ||
4211 | static void | |
4212 | chardev_name_foreach(void (*fn)(const char *name, void *opaque), void *opaque) | |
4213 | { | |
4214 | ChadevClassFE fe = { .fn = fn, .opaque = opaque }; | |
4215 | int i; | |
4216 | ||
4217 | object_class_foreach(chardev_class_foreach, TYPE_CHARDEV, false, &fe); | |
4218 | ||
4219 | for (i = 0; i < ARRAY_SIZE(chardev_alias_table); i++) { | |
4220 | fn(chardev_alias_table[i].alias, opaque); | |
4221 | } | |
4222 | } | |
4223 | ||
4224 | static void | |
4225 | help_string_append(const char *name, void *opaque) | |
4226 | { | |
4227 | GString *str = opaque; | |
4228 | ||
4229 | g_string_append_printf(str, "\n%s", name); | |
2c5f4882 GH |
4230 | } |
4231 | ||
0ec7b3e7 MAL |
4232 | Chardev *qemu_chr_new_from_opts(QemuOpts *opts, |
4233 | Error **errp) | |
191bc01b | 4234 | { |
0aff637e | 4235 | Error *local_err = NULL; |
88cace9f | 4236 | const ChardevClass *cc; |
0ec7b3e7 | 4237 | Chardev *chr; |
a1698bf1 | 4238 | int i; |
0b663b7d | 4239 | ChardevBackend *backend = NULL; |
0b812f31 | 4240 | const char *name = qemu_opt_get(opts, "backend"); |
a61ae7f8 PM |
4241 | const char *id = qemu_opts_id(opts); |
4242 | char *bid = NULL; | |
191bc01b | 4243 | |
0b812f31 | 4244 | if (name == NULL) { |
312fd5f2 | 4245 | error_setg(errp, "chardev: \"%s\" missing backend", |
bd2d80b2 | 4246 | qemu_opts_id(opts)); |
0b663b7d | 4247 | return NULL; |
1bbd185f | 4248 | } |
517b3d40 | 4249 | |
0b812f31 | 4250 | if (is_help_option(name)) { |
776a32a0 | 4251 | GString *str = g_string_new(""); |
88cace9f MAL |
4252 | |
4253 | chardev_name_foreach(help_string_append, str); | |
776a32a0 MAL |
4254 | |
4255 | error_report("Available chardev backend types: %s", str->str); | |
4256 | g_string_free(str, true); | |
0b812f31 | 4257 | exit(0); |
517b3d40 LM |
4258 | } |
4259 | ||
4260 | if (id == NULL) { | |
4261 | error_setg(errp, "chardev: no id specified"); | |
0b663b7d | 4262 | return NULL; |
517b3d40 LM |
4263 | } |
4264 | ||
88cace9f MAL |
4265 | for (i = 0; i < ARRAY_SIZE(chardev_alias_table); i++) { |
4266 | if (g_strcmp0(chardev_alias_table[i].alias, name) == 0) { | |
4267 | name = chardev_alias_table[i].typename; | |
191bc01b | 4268 | break; |
d654f34e | 4269 | } |
191bc01b | 4270 | } |
88cace9f MAL |
4271 | |
4272 | cc = char_get_class(name, errp); | |
4273 | if (cc == NULL) { | |
0b663b7d | 4274 | return NULL; |
191bc01b GH |
4275 | } |
4276 | ||
a61ae7f8 | 4277 | backend = g_new0(ChardevBackend, 1); |
0b663b7d | 4278 | backend->type = CHARDEV_BACKEND_KIND_NULL; |
edb2fb3c | 4279 | |
a61ae7f8 PM |
4280 | if (qemu_opt_get_bool(opts, "mux", 0)) { |
4281 | bid = g_strdup_printf("%s-base", id); | |
4282 | } | |
2c5f4882 | 4283 | |
a61ae7f8 | 4284 | chr = NULL; |
88cace9f MAL |
4285 | if (cc->parse) { |
4286 | cc->parse(opts, backend, &local_err); | |
a61ae7f8 PM |
4287 | if (local_err) { |
4288 | error_propagate(errp, local_err); | |
0b663b7d | 4289 | goto out; |
2c5f4882 | 4290 | } |
d0d7708b | 4291 | } else { |
88cace9f MAL |
4292 | ChardevCommon *ccom = g_new0(ChardevCommon, 1); |
4293 | qemu_chr_parse_common(opts, ccom); | |
4294 | backend->u.null.data = ccom; /* Any ChardevCommon member would work */ | |
2c5f4882 | 4295 | } |
d0d7708b | 4296 | |
0b663b7d MAL |
4297 | chr = qemu_chardev_add(bid ? bid : id, |
4298 | object_class_get_name(OBJECT_CLASS(cc)), | |
4299 | backend, errp); | |
4300 | if (chr == NULL) { | |
4301 | goto out; | |
191bc01b GH |
4302 | } |
4303 | ||
a61ae7f8 | 4304 | if (bid) { |
0b663b7d | 4305 | Chardev *mux; |
a61ae7f8 | 4306 | qapi_free_ChardevBackend(backend); |
a61ae7f8 | 4307 | backend = g_new0(ChardevBackend, 1); |
130257dc | 4308 | backend->type = CHARDEV_BACKEND_KIND_MUX; |
0b663b7d | 4309 | backend->u.mux.data = g_new0(ChardevMux, 1); |
32bafa8f | 4310 | backend->u.mux.data->chardev = g_strdup(bid); |
0b663b7d MAL |
4311 | mux = qemu_chardev_add(id, TYPE_CHARDEV_MUX, backend, errp); |
4312 | if (mux == NULL) { | |
a61ae7f8 PM |
4313 | qemu_chr_delete(chr); |
4314 | chr = NULL; | |
0b663b7d | 4315 | goto out; |
a61ae7f8 | 4316 | } |
0b663b7d | 4317 | chr = mux; |
bd5c51ee | 4318 | } |
7591c5c1 | 4319 | |
0b663b7d | 4320 | out: |
a61ae7f8 | 4321 | qapi_free_ChardevBackend(backend); |
a61ae7f8 | 4322 | g_free(bid); |
191bc01b GH |
4323 | return chr; |
4324 | } | |
4325 | ||
0ec7b3e7 | 4326 | Chardev *qemu_chr_new_noreplay(const char *label, const char *filename) |
6f97dba0 AL |
4327 | { |
4328 | const char *p; | |
0ec7b3e7 | 4329 | Chardev *chr; |
191bc01b | 4330 | QemuOpts *opts; |
bd2d80b2 | 4331 | Error *err = NULL; |
191bc01b | 4332 | |
c845f401 GH |
4333 | if (strstart(filename, "chardev:", &p)) { |
4334 | return qemu_chr_find(p); | |
4335 | } | |
4336 | ||
191bc01b | 4337 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
4338 | if (!opts) |
4339 | return NULL; | |
6f97dba0 | 4340 | |
b4948be9 | 4341 | chr = qemu_chr_new_from_opts(opts, &err); |
84d18f06 | 4342 | if (err) { |
565f65d2 | 4343 | error_report_err(err); |
bd2d80b2 | 4344 | } |
7e1b35b4 GH |
4345 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
4346 | monitor_init(chr, MONITOR_USE_READLINE); | |
6f97dba0 | 4347 | } |
0a73336d | 4348 | qemu_opts_del(opts); |
6f97dba0 AL |
4349 | return chr; |
4350 | } | |
4351 | ||
0ec7b3e7 | 4352 | Chardev *qemu_chr_new(const char *label, const char *filename) |
33577b47 | 4353 | { |
0ec7b3e7 | 4354 | Chardev *chr; |
b4948be9 | 4355 | chr = qemu_chr_new_noreplay(label, filename); |
33577b47 | 4356 | if (chr) { |
5ebd6703 MAL |
4357 | if (replay_mode != REPLAY_MODE_NONE) { |
4358 | qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_REPLAY); | |
4359 | } | |
777357d7 | 4360 | if (qemu_chr_replay(chr) && CHARDEV_GET_CLASS(chr)->chr_ioctl) { |
776a32a0 MAL |
4361 | error_report("Replay: ioctl is not supported " |
4362 | "for serial devices yet"); | |
33577b47 PD |
4363 | } |
4364 | replay_register_char_driver(chr); | |
4365 | } | |
4366 | return chr; | |
4367 | } | |
4368 | ||
5345fdb4 | 4369 | void qemu_chr_fe_set_echo(CharBackend *be, bool echo) |
c48855e1 | 4370 | { |
0ec7b3e7 | 4371 | Chardev *chr = be->chr; |
5345fdb4 | 4372 | |
777357d7 MAL |
4373 | if (chr && CHARDEV_GET_CLASS(chr)->chr_set_echo) { |
4374 | CHARDEV_GET_CLASS(chr)->chr_set_echo(chr, echo); | |
c48855e1 PB |
4375 | } |
4376 | } | |
4377 | ||
5345fdb4 | 4378 | void qemu_chr_fe_set_open(CharBackend *be, int fe_open) |
7c32c4fe | 4379 | { |
0ec7b3e7 | 4380 | Chardev *chr = be->chr; |
5345fdb4 | 4381 | |
fa394ed6 MAL |
4382 | if (!chr) { |
4383 | return; | |
4384 | } | |
4385 | ||
830896af | 4386 | if (be->fe_open == fe_open) { |
c0c4bd2c HG |
4387 | return; |
4388 | } | |
830896af | 4389 | be->fe_open = fe_open; |
777357d7 MAL |
4390 | if (CHARDEV_GET_CLASS(chr)->chr_set_fe_open) { |
4391 | CHARDEV_GET_CLASS(chr)->chr_set_fe_open(chr, fe_open); | |
7c32c4fe HG |
4392 | } |
4393 | } | |
4394 | ||
5345fdb4 | 4395 | guint qemu_chr_fe_add_watch(CharBackend *be, GIOCondition cond, |
6f1de6b7 | 4396 | GIOFunc func, void *user_data) |
23673ca7 | 4397 | { |
0ec7b3e7 | 4398 | Chardev *s = be->chr; |
23673ca7 AL |
4399 | GSource *src; |
4400 | guint tag; | |
4401 | ||
777357d7 | 4402 | if (!s || CHARDEV_GET_CLASS(s)->chr_add_watch == NULL) { |
6f1de6b7 | 4403 | return 0; |
23673ca7 AL |
4404 | } |
4405 | ||
777357d7 | 4406 | src = CHARDEV_GET_CLASS(s)->chr_add_watch(s, cond); |
62c339c5 | 4407 | if (!src) { |
6f1de6b7 | 4408 | return 0; |
62c339c5 PB |
4409 | } |
4410 | ||
23673ca7 AL |
4411 | g_source_set_callback(src, (GSourceFunc)func, user_data, NULL); |
4412 | tag = g_source_attach(src, NULL); | |
4413 | g_source_unref(src); | |
4414 | ||
4415 | return tag; | |
4416 | } | |
4417 | ||
5345fdb4 | 4418 | void qemu_chr_fe_disconnect(CharBackend *be) |
7d9d17f7 | 4419 | { |
0ec7b3e7 | 4420 | Chardev *chr = be->chr; |
5345fdb4 | 4421 | |
777357d7 MAL |
4422 | if (chr && CHARDEV_GET_CLASS(chr)->chr_disconnect) { |
4423 | CHARDEV_GET_CLASS(chr)->chr_disconnect(chr); | |
7d9d17f7 TM |
4424 | } |
4425 | } | |
4426 | ||
0ec7b3e7 | 4427 | void qemu_chr_delete(Chardev *chr) |
1ad78ea5 MAL |
4428 | { |
4429 | QTAILQ_REMOVE(&chardevs, chr, next); | |
8cddc469 | 4430 | object_unref(OBJECT(chr)); |
1ad78ea5 MAL |
4431 | } |
4432 | ||
c5a415a0 | 4433 | ChardevInfoList *qmp_query_chardev(Error **errp) |
6f97dba0 | 4434 | { |
c5a415a0 | 4435 | ChardevInfoList *chr_list = NULL; |
0ec7b3e7 | 4436 | Chardev *chr; |
6f97dba0 | 4437 | |
72cf2d4f | 4438 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c5a415a0 LC |
4439 | ChardevInfoList *info = g_malloc0(sizeof(*info)); |
4440 | info->value = g_malloc0(sizeof(*info->value)); | |
4441 | info->value->label = g_strdup(chr->label); | |
4442 | info->value->filename = g_strdup(chr->filename); | |
830896af | 4443 | info->value->frontend_open = chr->be && chr->be->fe_open; |
c5a415a0 LC |
4444 | |
4445 | info->next = chr_list; | |
4446 | chr_list = info; | |
6f97dba0 | 4447 | } |
588b3832 | 4448 | |
c5a415a0 | 4449 | return chr_list; |
6f97dba0 | 4450 | } |
c845f401 | 4451 | |
88cace9f MAL |
4452 | static void |
4453 | qmp_prepend_backend(const char *name, void *opaque) | |
0b812f31 | 4454 | { |
88cace9f | 4455 | ChardevBackendInfoList **list = opaque; |
0b812f31 | 4456 | ChardevBackendInfoList *info = g_malloc0(sizeof(*info)); |
88cace9f | 4457 | |
0b812f31 MAL |
4458 | info->value = g_malloc0(sizeof(*info->value)); |
4459 | info->value->name = g_strdup(name); | |
88cace9f MAL |
4460 | info->next = *list; |
4461 | *list = info; | |
0b812f31 MAL |
4462 | } |
4463 | ||
77d1c3c6 MK |
4464 | ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp) |
4465 | { | |
4466 | ChardevBackendInfoList *backend_list = NULL; | |
a1698bf1 | 4467 | |
88cace9f | 4468 | chardev_name_foreach(qmp_prepend_backend, &backend_list); |
77d1c3c6 MK |
4469 | |
4470 | return backend_list; | |
4471 | } | |
4472 | ||
0ec7b3e7 | 4473 | Chardev *qemu_chr_find(const char *name) |
c845f401 | 4474 | { |
0ec7b3e7 | 4475 | Chardev *chr; |
c845f401 | 4476 | |
72cf2d4f | 4477 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
4478 | if (strcmp(chr->label, name) != 0) |
4479 | continue; | |
4480 | return chr; | |
4481 | } | |
4482 | return NULL; | |
4483 | } | |
0beb4942 | 4484 | |
4d454574 PB |
4485 | QemuOptsList qemu_chardev_opts = { |
4486 | .name = "chardev", | |
4487 | .implied_opt_name = "backend", | |
4488 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), | |
4489 | .desc = { | |
4490 | { | |
4491 | .name = "backend", | |
4492 | .type = QEMU_OPT_STRING, | |
4493 | },{ | |
4494 | .name = "path", | |
4495 | .type = QEMU_OPT_STRING, | |
4496 | },{ | |
4497 | .name = "host", | |
4498 | .type = QEMU_OPT_STRING, | |
4499 | },{ | |
4500 | .name = "port", | |
4501 | .type = QEMU_OPT_STRING, | |
4502 | },{ | |
4503 | .name = "localaddr", | |
4504 | .type = QEMU_OPT_STRING, | |
4505 | },{ | |
4506 | .name = "localport", | |
4507 | .type = QEMU_OPT_STRING, | |
4508 | },{ | |
4509 | .name = "to", | |
4510 | .type = QEMU_OPT_NUMBER, | |
4511 | },{ | |
4512 | .name = "ipv4", | |
4513 | .type = QEMU_OPT_BOOL, | |
4514 | },{ | |
4515 | .name = "ipv6", | |
4516 | .type = QEMU_OPT_BOOL, | |
4517 | },{ | |
4518 | .name = "wait", | |
4519 | .type = QEMU_OPT_BOOL, | |
4520 | },{ | |
4521 | .name = "server", | |
4522 | .type = QEMU_OPT_BOOL, | |
4523 | },{ | |
4524 | .name = "delay", | |
4525 | .type = QEMU_OPT_BOOL, | |
5dd1f02b CM |
4526 | },{ |
4527 | .name = "reconnect", | |
4528 | .type = QEMU_OPT_NUMBER, | |
4d454574 PB |
4529 | },{ |
4530 | .name = "telnet", | |
4531 | .type = QEMU_OPT_BOOL, | |
a8fb5427 DB |
4532 | },{ |
4533 | .name = "tls-creds", | |
4534 | .type = QEMU_OPT_STRING, | |
4d454574 PB |
4535 | },{ |
4536 | .name = "width", | |
4537 | .type = QEMU_OPT_NUMBER, | |
4538 | },{ | |
4539 | .name = "height", | |
4540 | .type = QEMU_OPT_NUMBER, | |
4541 | },{ | |
4542 | .name = "cols", | |
4543 | .type = QEMU_OPT_NUMBER, | |
4544 | },{ | |
4545 | .name = "rows", | |
4546 | .type = QEMU_OPT_NUMBER, | |
4547 | },{ | |
4548 | .name = "mux", | |
4549 | .type = QEMU_OPT_BOOL, | |
4550 | },{ | |
4551 | .name = "signal", | |
4552 | .type = QEMU_OPT_BOOL, | |
4553 | },{ | |
4554 | .name = "name", | |
4555 | .type = QEMU_OPT_STRING, | |
4556 | },{ | |
4557 | .name = "debug", | |
4558 | .type = QEMU_OPT_NUMBER, | |
51767e7c | 4559 | },{ |
3949e594 | 4560 | .name = "size", |
de1cc36e | 4561 | .type = QEMU_OPT_SIZE, |
bb6fb7c0 GH |
4562 | },{ |
4563 | .name = "chardev", | |
4564 | .type = QEMU_OPT_STRING, | |
31e38a22 OK |
4565 | },{ |
4566 | .name = "append", | |
4567 | .type = QEMU_OPT_BOOL, | |
d0d7708b DB |
4568 | },{ |
4569 | .name = "logfile", | |
4570 | .type = QEMU_OPT_STRING, | |
4571 | },{ | |
4572 | .name = "logappend", | |
4573 | .type = QEMU_OPT_BOOL, | |
4d454574 PB |
4574 | }, |
4575 | { /* end of list */ } | |
4576 | }, | |
4577 | }; | |
f1a1a356 | 4578 | |
ffbdbe59 GH |
4579 | #ifdef _WIN32 |
4580 | ||
777357d7 MAL |
4581 | static void qmp_chardev_open_file(Chardev *chr, |
4582 | ChardevBackend *backend, | |
4583 | bool *be_opened, | |
4584 | Error **errp) | |
ffbdbe59 | 4585 | { |
32bafa8f | 4586 | ChardevFile *file = backend->u.file.data; |
ffbdbe59 | 4587 | HANDLE out; |
c025f689 SW |
4588 | DWORD accessmode; |
4589 | DWORD flags; | |
ffbdbe59 | 4590 | |
e859eda5 | 4591 | if (file->has_in) { |
ffbdbe59 | 4592 | error_setg(errp, "input file not supported"); |
777357d7 | 4593 | return; |
ffbdbe59 GH |
4594 | } |
4595 | ||
c025f689 SW |
4596 | if (file->has_append && file->append) { |
4597 | /* Append to file if it already exists. */ | |
4598 | accessmode = FILE_GENERIC_WRITE & ~FILE_WRITE_DATA; | |
4599 | flags = OPEN_ALWAYS; | |
4600 | } else { | |
4601 | /* Truncate file if it already exists. */ | |
4602 | accessmode = GENERIC_WRITE; | |
4603 | flags = CREATE_ALWAYS; | |
4604 | } | |
4605 | ||
4606 | out = CreateFile(file->out, accessmode, FILE_SHARE_READ, NULL, flags, | |
4607 | FILE_ATTRIBUTE_NORMAL, NULL); | |
ffbdbe59 GH |
4608 | if (out == INVALID_HANDLE_VALUE) { |
4609 | error_setg(errp, "open %s failed", file->out); | |
777357d7 | 4610 | return; |
ffbdbe59 | 4611 | } |
777357d7 MAL |
4612 | |
4613 | qemu_chr_open_win_file(chr, out); | |
ffbdbe59 GH |
4614 | } |
4615 | ||
777357d7 MAL |
4616 | static void qmp_chardev_open_serial(Chardev *chr, |
4617 | ChardevBackend *backend, | |
4618 | bool *be_opened, | |
4619 | Error **errp) | |
d59044ef | 4620 | { |
32bafa8f | 4621 | ChardevHostdev *serial = backend->u.serial.data; |
acbfbe4a | 4622 | |
777357d7 | 4623 | win_chr_init(chr, serial->device, errp); |
d36b2b90 MA |
4624 | } |
4625 | ||
ffbdbe59 GH |
4626 | #else /* WIN32 */ |
4627 | ||
4628 | static int qmp_chardev_open_file_source(char *src, int flags, | |
4629 | Error **errp) | |
4630 | { | |
4631 | int fd = -1; | |
4632 | ||
4633 | TFR(fd = qemu_open(src, flags, 0666)); | |
4634 | if (fd == -1) { | |
20c39760 | 4635 | error_setg_file_open(errp, errno, src); |
ffbdbe59 GH |
4636 | } |
4637 | return fd; | |
4638 | } | |
4639 | ||
777357d7 MAL |
4640 | static void qmp_chardev_open_file(Chardev *chr, |
4641 | ChardevBackend *backend, | |
4642 | bool *be_opened, | |
4643 | Error **errp) | |
ffbdbe59 | 4644 | { |
32bafa8f | 4645 | ChardevFile *file = backend->u.file.data; |
5f758366 | 4646 | int flags, in = -1, out; |
ffbdbe59 | 4647 | |
31e38a22 OK |
4648 | flags = O_WRONLY | O_CREAT | O_BINARY; |
4649 | if (file->has_append && file->append) { | |
4650 | flags |= O_APPEND; | |
4651 | } else { | |
4652 | flags |= O_TRUNC; | |
4653 | } | |
4654 | ||
ffbdbe59 | 4655 | out = qmp_chardev_open_file_source(file->out, flags, errp); |
5f758366 | 4656 | if (out < 0) { |
777357d7 | 4657 | return; |
ffbdbe59 GH |
4658 | } |
4659 | ||
e859eda5 | 4660 | if (file->has_in) { |
ffbdbe59 GH |
4661 | flags = O_RDONLY; |
4662 | in = qmp_chardev_open_file_source(file->in, flags, errp); | |
5f758366 | 4663 | if (in < 0) { |
ffbdbe59 | 4664 | qemu_close(out); |
777357d7 | 4665 | return; |
ffbdbe59 GH |
4666 | } |
4667 | } | |
4668 | ||
777357d7 | 4669 | qemu_chr_open_fd(chr, in, out); |
ffbdbe59 GH |
4670 | } |
4671 | ||
d809ab95 | 4672 | #ifdef HAVE_CHARDEV_SERIAL |
777357d7 MAL |
4673 | static void qmp_chardev_open_serial(Chardev *chr, |
4674 | ChardevBackend *backend, | |
4675 | bool *be_opened, | |
4676 | Error **errp) | |
d59044ef | 4677 | { |
32bafa8f | 4678 | ChardevHostdev *serial = backend->u.serial.data; |
d36b2b90 MA |
4679 | int fd; |
4680 | ||
4681 | fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp); | |
5f758366 | 4682 | if (fd < 0) { |
777357d7 | 4683 | return; |
39099991 | 4684 | } |
f9e8cacc | 4685 | qemu_set_nonblock(fd); |
acbfbe4a | 4686 | tty_serial_init(fd, 115200, 'N', 8, 1); |
b68e956a | 4687 | |
777357d7 | 4688 | qemu_chr_open_fd(chr, fd, fd); |
d36b2b90 | 4689 | } |
6511d396 | 4690 | #endif |
d36b2b90 | 4691 | |
d809ab95 | 4692 | #ifdef HAVE_CHARDEV_PARPORT |
777357d7 MAL |
4693 | static void qmp_chardev_open_parallel(Chardev *chr, |
4694 | ChardevBackend *backend, | |
4695 | bool *be_opened, | |
4696 | Error **errp) | |
d36b2b90 | 4697 | { |
32bafa8f | 4698 | ChardevHostdev *parallel = backend->u.parallel.data; |
d36b2b90 MA |
4699 | int fd; |
4700 | ||
4701 | fd = qmp_chardev_open_file_source(parallel->device, O_RDWR, errp); | |
5f758366 | 4702 | if (fd < 0) { |
777357d7 | 4703 | return; |
d59044ef | 4704 | } |
777357d7 | 4705 | qemu_chr_open_pp_fd(chr, fd, be_opened, errp); |
d59044ef | 4706 | } |
b68e956a | 4707 | |
777357d7 MAL |
4708 | static void char_parallel_class_init(ObjectClass *oc, void *data) |
4709 | { | |
4710 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
4711 | ||
88cace9f | 4712 | cc->parse = qemu_chr_parse_parallel; |
777357d7 | 4713 | cc->open = qmp_chardev_open_parallel; |
b68e956a | 4714 | #if defined(__linux__) |
777357d7 MAL |
4715 | cc->chr_write = null_chr_write; |
4716 | cc->chr_ioctl = pp_ioctl; | |
b68e956a | 4717 | #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
777357d7 MAL |
4718 | cc->chr_write = null_chr_write; |
4719 | cc->chr_ioctl = pp_ioctl; | |
b68e956a | 4720 | #endif |
777357d7 MAL |
4721 | } |
4722 | ||
c9305728 MAL |
4723 | static void char_parallel_finalize(Object *obj) |
4724 | { | |
4725 | #if defined(__linux__) | |
4726 | Chardev *chr = CHARDEV(obj); | |
4727 | ParallelChardev *drv = PARALLEL_CHARDEV(chr); | |
4728 | int fd = drv->fd; | |
4729 | ||
4730 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
4731 | ioctl(fd, PPRELEASE); | |
4732 | close(fd); | |
4733 | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); | |
4734 | #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) | |
4735 | /* FIXME: close fd? */ | |
4736 | #endif | |
4737 | } | |
4738 | ||
777357d7 MAL |
4739 | static const TypeInfo char_parallel_type_info = { |
4740 | .name = TYPE_CHARDEV_PARALLEL, | |
4741 | .parent = TYPE_CHARDEV, | |
4742 | .instance_size = sizeof(ParallelChardev), | |
c9305728 | 4743 | .instance_finalize = char_parallel_finalize, |
777357d7 | 4744 | .class_init = char_parallel_class_init, |
b68e956a | 4745 | }; |
d809ab95 | 4746 | #endif |
d59044ef | 4747 | |
ffbdbe59 GH |
4748 | #endif /* WIN32 */ |
4749 | ||
777357d7 MAL |
4750 | static void char_file_class_init(ObjectClass *oc, void *data) |
4751 | { | |
4752 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
4753 | ||
88cace9f | 4754 | cc->parse = qemu_chr_parse_file_out; |
777357d7 | 4755 | cc->open = qmp_chardev_open_file; |
777357d7 MAL |
4756 | } |
4757 | ||
4758 | static const TypeInfo char_file_type_info = { | |
4759 | .name = TYPE_CHARDEV_FILE, | |
4760 | #ifdef _WIN32 | |
4761 | .parent = TYPE_CHARDEV_WIN, | |
b68e956a | 4762 | #else |
777357d7 | 4763 | .parent = TYPE_CHARDEV_FD, |
b68e956a | 4764 | #endif |
777357d7 | 4765 | .class_init = char_file_class_init, |
b68e956a MAL |
4766 | }; |
4767 | ||
4768 | #ifdef HAVE_CHARDEV_SERIAL | |
777357d7 | 4769 | |
777357d7 MAL |
4770 | static void char_serial_class_init(ObjectClass *oc, void *data) |
4771 | { | |
4772 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
4773 | ||
88cace9f | 4774 | cc->parse = qemu_chr_parse_serial; |
777357d7 MAL |
4775 | cc->open = qmp_chardev_open_serial; |
4776 | #ifndef _WIN32 | |
4777 | cc->chr_ioctl = tty_serial_ioctl; | |
777357d7 MAL |
4778 | #endif |
4779 | } | |
4780 | ||
4781 | static const TypeInfo char_serial_type_info = { | |
4782 | .name = TYPE_CHARDEV_SERIAL, | |
b68e956a | 4783 | #ifdef _WIN32 |
777357d7 | 4784 | .parent = TYPE_CHARDEV_WIN, |
b68e956a | 4785 | #else |
777357d7 | 4786 | .parent = TYPE_CHARDEV_FD, |
b68e956a | 4787 | #endif |
777357d7 | 4788 | .class_init = char_serial_class_init, |
b68e956a MAL |
4789 | }; |
4790 | #endif | |
4791 | ||
5dd1f02b CM |
4792 | static gboolean socket_reconnect_timeout(gpointer opaque) |
4793 | { | |
777357d7 MAL |
4794 | Chardev *chr = CHARDEV(opaque); |
4795 | SocketChardev *s = SOCKET_CHARDEV(opaque); | |
317856ca | 4796 | QIOChannelSocket *sioc; |
5dd1f02b CM |
4797 | |
4798 | s->reconnect_timer = 0; | |
4799 | ||
4800 | if (chr->be_open) { | |
4801 | return false; | |
4802 | } | |
4803 | ||
317856ca | 4804 | sioc = qio_channel_socket_new(); |
e93a68e1 | 4805 | tcp_chr_set_client_ioc_name(chr, sioc); |
317856ca DB |
4806 | qio_channel_socket_connect_async(sioc, s->addr, |
4807 | qemu_chr_socket_connected, | |
4808 | chr, NULL); | |
5dd1f02b CM |
4809 | |
4810 | return false; | |
4811 | } | |
4812 | ||
777357d7 MAL |
4813 | static void qmp_chardev_open_socket(Chardev *chr, |
4814 | ChardevBackend *backend, | |
4815 | bool *be_opened, | |
4816 | Error **errp) | |
f6bd5d6e | 4817 | { |
777357d7 | 4818 | SocketChardev *s = SOCKET_CHARDEV(chr); |
32bafa8f | 4819 | ChardevSocket *sock = backend->u.socket.data; |
f6bd5d6e GH |
4820 | SocketAddress *addr = sock->addr; |
4821 | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; | |
4822 | bool is_listen = sock->has_server ? sock->server : true; | |
4823 | bool is_telnet = sock->has_telnet ? sock->telnet : false; | |
4824 | bool is_waitconnect = sock->has_wait ? sock->wait : false; | |
5dd1f02b | 4825 | int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0; |
317856ca | 4826 | QIOChannelSocket *sioc = NULL; |
43ded1a0 | 4827 | |
130257dc | 4828 | s->is_unix = addr->type == SOCKET_ADDRESS_KIND_UNIX; |
cfb429cb CM |
4829 | s->is_listen = is_listen; |
4830 | s->is_telnet = is_telnet; | |
43ded1a0 | 4831 | s->do_nodelay = do_nodelay; |
a8fb5427 DB |
4832 | if (sock->tls_creds) { |
4833 | Object *creds; | |
4834 | creds = object_resolve_path_component( | |
4835 | object_get_objects_root(), sock->tls_creds); | |
4836 | if (!creds) { | |
4837 | error_setg(errp, "No TLS credentials with id '%s'", | |
4838 | sock->tls_creds); | |
4839 | goto error; | |
4840 | } | |
4841 | s->tls_creds = (QCryptoTLSCreds *) | |
4842 | object_dynamic_cast(creds, | |
4843 | TYPE_QCRYPTO_TLS_CREDS); | |
4844 | if (!s->tls_creds) { | |
4845 | error_setg(errp, "Object with id '%s' is not TLS credentials", | |
4846 | sock->tls_creds); | |
4847 | goto error; | |
4848 | } | |
4849 | object_ref(OBJECT(s->tls_creds)); | |
4850 | if (is_listen) { | |
4851 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
4852 | error_setg(errp, "%s", | |
4853 | "Expected TLS credentials for server endpoint"); | |
4854 | goto error; | |
4855 | } | |
4856 | } else { | |
4857 | if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) { | |
4858 | error_setg(errp, "%s", | |
4859 | "Expected TLS credentials for client endpoint"); | |
4860 | goto error; | |
4861 | } | |
4862 | } | |
4863 | } | |
4864 | ||
37f9e0a2 | 4865 | s->addr = QAPI_CLONE(SocketAddress, sock->addr); |
43ded1a0 | 4866 | |
0a73336d DB |
4867 | qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE); |
4868 | if (s->is_unix) { | |
4869 | qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_FD_PASS); | |
4870 | } | |
4871 | ||
43ded1a0 | 4872 | /* be isn't opened until we get a connection */ |
82878dac | 4873 | *be_opened = false; |
43ded1a0 | 4874 | |
0ff0fad2 DB |
4875 | chr->filename = SocketAddress_to_str("disconnected:", |
4876 | addr, is_listen, is_telnet); | |
f6bd5d6e GH |
4877 | |
4878 | if (is_listen) { | |
43ded1a0 CM |
4879 | if (is_telnet) { |
4880 | s->do_telnetopt = 1; | |
4881 | } | |
5dd1f02b CM |
4882 | } else if (reconnect > 0) { |
4883 | s->reconnect_time = reconnect; | |
f6bd5d6e | 4884 | } |
43ded1a0 | 4885 | |
5008e5b7 | 4886 | if (s->reconnect_time) { |
d7a04fd7 | 4887 | sioc = qio_channel_socket_new(); |
e93a68e1 | 4888 | tcp_chr_set_client_ioc_name(chr, sioc); |
317856ca DB |
4889 | qio_channel_socket_connect_async(sioc, s->addr, |
4890 | qemu_chr_socket_connected, | |
4891 | chr, NULL); | |
08b758b4 | 4892 | } else { |
d7a04fd7 | 4893 | if (s->is_listen) { |
e93a68e1 | 4894 | char *name; |
d7a04fd7 | 4895 | sioc = qio_channel_socket_new(); |
e93a68e1 DB |
4896 | |
4897 | name = g_strdup_printf("chardev-tcp-listener-%s", chr->label); | |
4898 | qio_channel_set_name(QIO_CHANNEL(sioc), name); | |
4899 | g_free(name); | |
4900 | ||
d7a04fd7 MAL |
4901 | if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) { |
4902 | goto error; | |
4903 | } | |
4904 | s->listen_ioc = sioc; | |
4905 | if (is_waitconnect && | |
4906 | qemu_chr_wait_connected(chr, errp) < 0) { | |
2c3a5dcb | 4907 | return; |
d7a04fd7 MAL |
4908 | } |
4909 | if (!s->ioc) { | |
4910 | s->listen_tag = qio_channel_add_watch( | |
4911 | QIO_CHANNEL(s->listen_ioc), G_IO_IN, | |
4912 | tcp_chr_accept, chr, NULL); | |
4913 | } | |
4914 | } else if (qemu_chr_wait_connected(chr, errp) < 0) { | |
08b758b4 DB |
4915 | goto error; |
4916 | } | |
43ded1a0 CM |
4917 | } |
4918 | ||
777357d7 | 4919 | return; |
a8fb5427 | 4920 | |
777357d7 | 4921 | error: |
08b758b4 DB |
4922 | if (sioc) { |
4923 | object_unref(OBJECT(sioc)); | |
4924 | } | |
f6bd5d6e GH |
4925 | } |
4926 | ||
777357d7 MAL |
4927 | static void char_socket_class_init(ObjectClass *oc, void *data) |
4928 | { | |
4929 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
4930 | ||
88cace9f | 4931 | cc->parse = qemu_chr_parse_socket; |
777357d7 MAL |
4932 | cc->open = qmp_chardev_open_socket; |
4933 | cc->chr_wait_connected = tcp_chr_wait_connected; | |
4934 | cc->chr_write = tcp_chr_write; | |
4935 | cc->chr_sync_read = tcp_chr_sync_read; | |
4936 | cc->chr_disconnect = tcp_chr_disconnect; | |
4937 | cc->get_msgfds = tcp_get_msgfds; | |
4938 | cc->set_msgfds = tcp_set_msgfds; | |
4939 | cc->chr_add_client = tcp_chr_add_client; | |
4940 | cc->chr_add_watch = tcp_chr_add_watch; | |
4941 | cc->chr_update_read_handler = tcp_chr_update_read_handler; | |
777357d7 MAL |
4942 | } |
4943 | ||
4944 | static const TypeInfo char_socket_type_info = { | |
4945 | .name = TYPE_CHARDEV_SOCKET, | |
4946 | .parent = TYPE_CHARDEV, | |
4947 | .instance_size = sizeof(SocketChardev), | |
2c3a5dcb | 4948 | .instance_finalize = char_socket_finalize, |
777357d7 MAL |
4949 | .class_init = char_socket_class_init, |
4950 | }; | |
4951 | ||
4952 | static void qmp_chardev_open_udp(Chardev *chr, | |
4953 | ChardevBackend *backend, | |
4954 | bool *be_opened, | |
4955 | Error **errp) | |
3ecc059d | 4956 | { |
32bafa8f | 4957 | ChardevUdp *udp = backend->u.udp.data; |
9894dc0c | 4958 | QIOChannelSocket *sioc = qio_channel_socket_new(); |
e93a68e1 | 4959 | char *name; |
777357d7 | 4960 | UdpChardev *s = UDP_CHARDEV(chr); |
3ecc059d | 4961 | |
9894dc0c | 4962 | if (qio_channel_socket_dgram_sync(sioc, |
150dcd1a | 4963 | udp->local, udp->remote, |
9894dc0c DB |
4964 | errp) < 0) { |
4965 | object_unref(OBJECT(sioc)); | |
777357d7 | 4966 | return; |
acbfbe4a | 4967 | } |
e93a68e1 DB |
4968 | |
4969 | name = g_strdup_printf("chardev-udp-%s", chr->label); | |
4970 | qio_channel_set_name(QIO_CHANNEL(sioc), name); | |
4971 | g_free(name); | |
4972 | ||
acbfbe4a | 4973 | s->ioc = QIO_CHANNEL(sioc); |
acbfbe4a MAL |
4974 | /* be isn't opened until we get a connection */ |
4975 | *be_opened = false; | |
3ecc059d GH |
4976 | } |
4977 | ||
777357d7 MAL |
4978 | static void char_udp_class_init(ObjectClass *oc, void *data) |
4979 | { | |
4980 | ChardevClass *cc = CHARDEV_CLASS(oc); | |
4981 | ||
88cace9f | 4982 | cc->parse = qemu_chr_parse_udp; |
777357d7 MAL |
4983 | cc->open = qmp_chardev_open_udp; |
4984 | cc->chr_write = udp_chr_write; | |
4985 | cc->chr_update_read_handler = udp_chr_update_read_handler; | |
777357d7 MAL |
4986 | } |
4987 | ||
4988 | static const TypeInfo char_udp_type_info = { | |
4989 | .name = TYPE_CHARDEV_UDP, | |
4990 | .parent = TYPE_CHARDEV, | |
4991 | .instance_size = sizeof(UdpChardev), | |
819aad23 | 4992 | .instance_finalize = char_udp_finalize, |
777357d7 | 4993 | .class_init = char_udp_class_init, |
b68e956a | 4994 | }; |
0a73336d | 4995 | |
0ec7b3e7 | 4996 | bool qemu_chr_has_feature(Chardev *chr, |
279b066e | 4997 | ChardevFeature feature) |
0a73336d DB |
4998 | { |
4999 | return test_bit(feature, chr->features); | |
5000 | } | |
5001 | ||
0ec7b3e7 | 5002 | void qemu_chr_set_feature(Chardev *chr, |
279b066e | 5003 | ChardevFeature feature) |
0a73336d DB |
5004 | { |
5005 | return set_bit(feature, chr->features); | |
5006 | } | |
5007 | ||
777357d7 MAL |
5008 | Chardev *qemu_chardev_new(const char *id, const char *typename, |
5009 | ChardevBackend *backend, Error **errp) | |
f1a1a356 | 5010 | { |
0ec7b3e7 | 5011 | Chardev *chr = NULL; |
eaeba653 | 5012 | Error *local_err = NULL; |
82878dac | 5013 | bool be_opened = true; |
f1a1a356 | 5014 | |
777357d7 | 5015 | assert(g_str_has_prefix(typename, "chardev-")); |
f1a1a356 | 5016 | |
777357d7 MAL |
5017 | chr = CHARDEV(object_new(typename)); |
5018 | chr->label = g_strdup(id); | |
4ca17281 | 5019 | |
777357d7 | 5020 | qemu_char_open(chr, backend, &be_opened, &local_err); |
a1698bf1 MAL |
5021 | if (local_err) { |
5022 | error_propagate(errp, local_err); | |
777357d7 MAL |
5023 | object_unref(OBJECT(chr)); |
5024 | return NULL; | |
eaeba653 PB |
5025 | } |
5026 | ||
eaeba653 | 5027 | if (!chr->filename) { |
777357d7 | 5028 | chr->filename = g_strdup(typename + 8); |
f1a1a356 | 5029 | } |
82878dac | 5030 | if (be_opened) { |
eaeba653 PB |
5031 | qemu_chr_be_event(chr, CHR_EVENT_OPENED); |
5032 | } | |
777357d7 MAL |
5033 | |
5034 | return chr; | |
5035 | } | |
5036 | ||
5037 | ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, | |
5038 | Error **errp) | |
5039 | { | |
5040 | const ChardevClass *cc; | |
5041 | ChardevReturn *ret; | |
5042 | Chardev *chr; | |
5043 | ||
777357d7 MAL |
5044 | cc = char_get_class(ChardevBackendKind_lookup[backend->type], errp); |
5045 | if (!cc) { | |
5046 | return NULL; | |
5047 | } | |
5048 | ||
0b663b7d | 5049 | chr = qemu_chardev_add(id, object_class_get_name(OBJECT_CLASS(cc)), |
777357d7 MAL |
5050 | backend, errp); |
5051 | if (!chr) { | |
5052 | return NULL; | |
5053 | } | |
5054 | ||
5055 | ret = g_new0(ChardevReturn, 1); | |
5056 | if (CHARDEV_IS_PTY(chr)) { | |
5057 | ret->pty = g_strdup(chr->filename + 4); | |
5058 | ret->has_pty = true; | |
5059 | } | |
5060 | ||
eaeba653 | 5061 | return ret; |
f1a1a356 GH |
5062 | } |
5063 | ||
5064 | void qmp_chardev_remove(const char *id, Error **errp) | |
5065 | { | |
0ec7b3e7 | 5066 | Chardev *chr; |
f1a1a356 GH |
5067 | |
5068 | chr = qemu_chr_find(id); | |
8108fd3e | 5069 | if (chr == NULL) { |
f1a1a356 GH |
5070 | error_setg(errp, "Chardev '%s' not found", id); |
5071 | return; | |
5072 | } | |
a4afa548 | 5073 | if (qemu_chr_is_busy(chr)) { |
f1a1a356 GH |
5074 | error_setg(errp, "Chardev '%s' is busy", id); |
5075 | return; | |
5076 | } | |
5ebd6703 | 5077 | if (qemu_chr_replay(chr)) { |
33577b47 PD |
5078 | error_setg(errp, |
5079 | "Chardev '%s' cannot be unplugged in record/replay mode", id); | |
5080 | return; | |
5081 | } | |
f1a1a356 GH |
5082 | qemu_chr_delete(chr); |
5083 | } | |
d654f34e | 5084 | |
aa5cb7f5 | 5085 | void qemu_chr_cleanup(void) |
c1111a24 | 5086 | { |
0ec7b3e7 | 5087 | Chardev *chr, *tmp; |
c1111a24 MAL |
5088 | |
5089 | QTAILQ_FOREACH_SAFE(chr, &chardevs, next, tmp) { | |
5090 | qemu_chr_delete(chr); | |
5091 | } | |
5092 | } | |
5093 | ||
d654f34e AL |
5094 | static void register_types(void) |
5095 | { | |
88cace9f MAL |
5096 | type_register_static(&char_type_info); |
5097 | #ifndef _WIN32 | |
5098 | type_register_static(&char_fd_type_info); | |
5099 | #else | |
5100 | type_register_static(&char_win_type_info); | |
5101 | type_register_static(&char_win_stdio_type_info); | |
5102 | #endif | |
5103 | type_register_static(&char_null_type_info); | |
5104 | type_register_static(&char_socket_type_info); | |
5105 | type_register_static(&char_udp_type_info); | |
5106 | type_register_static(&char_ringbuf_type_info); | |
5107 | type_register_static(&char_file_type_info); | |
5108 | type_register_static(&char_stdio_type_info); | |
b68e956a | 5109 | #ifdef HAVE_CHARDEV_SERIAL |
88cace9f | 5110 | type_register_static(&char_serial_type_info); |
6511d396 | 5111 | #endif |
38bfb1a6 | 5112 | #ifdef HAVE_CHARDEV_PARPORT |
88cace9f | 5113 | type_register_static(&char_parallel_type_info); |
38bfb1a6 | 5114 | #endif |
c2e75a43 | 5115 | #ifdef HAVE_CHARDEV_PTY |
88cace9f | 5116 | type_register_static(&char_pty_type_info); |
c2e75a43 | 5117 | #endif |
122e5ed4 | 5118 | #ifdef _WIN32 |
88cace9f | 5119 | type_register_static(&char_console_type_info); |
122e5ed4 | 5120 | #endif |
88cace9f MAL |
5121 | type_register_static(&char_pipe_type_info); |
5122 | type_register_static(&char_mux_type_info); | |
5123 | type_register_static(&char_memory_type_info); | |
0b812f31 | 5124 | |
7b7ab18d MR |
5125 | /* this must be done after machine init, since we register FEs with muxes |
5126 | * as part of realize functions like serial_isa_realizefn when -nographic | |
5127 | * is specified | |
5128 | */ | |
5129 | qemu_add_machine_init_done_notifier(&muxes_realize_notify); | |
d654f34e AL |
5130 | } |
5131 | ||
5132 | type_init(register_types); |