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Commit | Line | Data |
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6f97dba0 AL |
1 | /* |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu-common.h" | |
25 | #include "net.h" | |
376253ec | 26 | #include "monitor.h" |
6f97dba0 AL |
27 | #include "console.h" |
28 | #include "sysemu.h" | |
29 | #include "qemu-timer.h" | |
30 | #include "qemu-char.h" | |
cf3ebac7 AJ |
31 | #include "hw/usb.h" |
32 | #include "hw/baum.h" | |
aa71cf80 | 33 | #include "hw/msmouse.h" |
588b3832 | 34 | #include "qemu-objects.h" |
6f97dba0 AL |
35 | |
36 | #include <unistd.h> | |
37 | #include <fcntl.h> | |
6f97dba0 AL |
38 | #include <time.h> |
39 | #include <errno.h> | |
40 | #include <sys/time.h> | |
41 | #include <zlib.h> | |
42 | ||
43 | #ifndef _WIN32 | |
44 | #include <sys/times.h> | |
45 | #include <sys/wait.h> | |
46 | #include <termios.h> | |
47 | #include <sys/mman.h> | |
48 | #include <sys/ioctl.h> | |
24646c7e | 49 | #include <sys/resource.h> |
6f97dba0 AL |
50 | #include <sys/socket.h> |
51 | #include <netinet/in.h> | |
24646c7e | 52 | #include <net/if.h> |
24646c7e | 53 | #include <arpa/inet.h> |
6f97dba0 AL |
54 | #include <dirent.h> |
55 | #include <netdb.h> | |
56 | #include <sys/select.h> | |
71e72a19 | 57 | #ifdef CONFIG_BSD |
6f97dba0 | 58 | #include <sys/stat.h> |
a167ba50 | 59 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
6f97dba0 | 60 | #include <libutil.h> |
6972f935 BS |
61 | #include <dev/ppbus/ppi.h> |
62 | #include <dev/ppbus/ppbconf.h> | |
a167ba50 AJ |
63 | #if defined(__GLIBC__) |
64 | #include <pty.h> | |
65 | #endif | |
c5e97233 BS |
66 | #elif defined(__DragonFly__) |
67 | #include <libutil.h> | |
68 | #include <dev/misc/ppi/ppi.h> | |
69 | #include <bus/ppbus/ppbconf.h> | |
24646c7e BS |
70 | #else |
71 | #include <util.h> | |
6f97dba0 | 72 | #endif |
bbe813a2 | 73 | #else |
6f97dba0 | 74 | #ifdef __linux__ |
6f97dba0 AL |
75 | #include <pty.h> |
76 | ||
77 | #include <linux/ppdev.h> | |
78 | #include <linux/parport.h> | |
79 | #endif | |
80 | #ifdef __sun__ | |
81 | #include <sys/stat.h> | |
82 | #include <sys/ethernet.h> | |
83 | #include <sys/sockio.h> | |
84 | #include <netinet/arp.h> | |
85 | #include <netinet/in.h> | |
86 | #include <netinet/in_systm.h> | |
87 | #include <netinet/ip.h> | |
88 | #include <netinet/ip_icmp.h> // must come after ip.h | |
89 | #include <netinet/udp.h> | |
90 | #include <netinet/tcp.h> | |
91 | #include <net/if.h> | |
92 | #include <syslog.h> | |
93 | #include <stropts.h> | |
94 | #endif | |
95 | #endif | |
96 | #endif | |
97 | ||
98 | #include "qemu_socket.h" | |
cbcc6336 | 99 | #include "ui/qemu-spice.h" |
6f97dba0 | 100 | |
9bd7854e AS |
101 | #define READ_BUF_LEN 4096 |
102 | ||
6f97dba0 AL |
103 | /***********************************************************/ |
104 | /* character device */ | |
105 | ||
72cf2d4f BS |
106 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
107 | QTAILQ_HEAD_INITIALIZER(chardevs); | |
2970a6c9 | 108 | |
6f97dba0 AL |
109 | static void qemu_chr_event(CharDriverState *s, int event) |
110 | { | |
73cdf3f2 AG |
111 | /* Keep track if the char device is open */ |
112 | switch (event) { | |
113 | case CHR_EVENT_OPENED: | |
114 | s->opened = 1; | |
115 | break; | |
116 | case CHR_EVENT_CLOSED: | |
117 | s->opened = 0; | |
118 | break; | |
119 | } | |
120 | ||
6f97dba0 AL |
121 | if (!s->chr_event) |
122 | return; | |
123 | s->chr_event(s->handler_opaque, event); | |
124 | } | |
125 | ||
127338e6 | 126 | static void qemu_chr_generic_open_bh(void *opaque) |
6f97dba0 AL |
127 | { |
128 | CharDriverState *s = opaque; | |
f7cbc08f | 129 | qemu_chr_event(s, CHR_EVENT_OPENED); |
6f97dba0 AL |
130 | qemu_bh_delete(s->bh); |
131 | s->bh = NULL; | |
132 | } | |
133 | ||
127338e6 | 134 | void qemu_chr_generic_open(CharDriverState *s) |
6f97dba0 | 135 | { |
69795d67 | 136 | if (s->bh == NULL) { |
127338e6 | 137 | s->bh = qemu_bh_new(qemu_chr_generic_open_bh, s); |
6f97dba0 AL |
138 | qemu_bh_schedule(s->bh); |
139 | } | |
140 | } | |
141 | ||
142 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
143 | { | |
144 | return s->chr_write(s, buf, len); | |
145 | } | |
146 | ||
147 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
148 | { | |
149 | if (!s->chr_ioctl) | |
150 | return -ENOTSUP; | |
151 | return s->chr_ioctl(s, cmd, arg); | |
152 | } | |
153 | ||
154 | int qemu_chr_can_read(CharDriverState *s) | |
155 | { | |
156 | if (!s->chr_can_read) | |
157 | return 0; | |
158 | return s->chr_can_read(s->handler_opaque); | |
159 | } | |
160 | ||
161 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
162 | { | |
163 | s->chr_read(s->handler_opaque, buf, len); | |
164 | } | |
165 | ||
7d174059 MM |
166 | int qemu_chr_get_msgfd(CharDriverState *s) |
167 | { | |
168 | return s->get_msgfd ? s->get_msgfd(s) : -1; | |
169 | } | |
170 | ||
6f97dba0 AL |
171 | void qemu_chr_accept_input(CharDriverState *s) |
172 | { | |
173 | if (s->chr_accept_input) | |
174 | s->chr_accept_input(s); | |
175 | } | |
176 | ||
177 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
178 | { | |
9bd7854e | 179 | char buf[READ_BUF_LEN]; |
6f97dba0 AL |
180 | va_list ap; |
181 | va_start(ap, fmt); | |
182 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
183 | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); | |
184 | va_end(ap); | |
185 | } | |
186 | ||
187 | void qemu_chr_send_event(CharDriverState *s, int event) | |
188 | { | |
189 | if (s->chr_send_event) | |
190 | s->chr_send_event(s, event); | |
191 | } | |
192 | ||
193 | void qemu_chr_add_handlers(CharDriverState *s, | |
7b27a769 | 194 | IOCanReadHandler *fd_can_read, |
6f97dba0 AL |
195 | IOReadHandler *fd_read, |
196 | IOEventHandler *fd_event, | |
197 | void *opaque) | |
198 | { | |
da7d998b | 199 | if (!opaque && !fd_can_read && !fd_read && !fd_event) { |
2d6c1ef4 | 200 | /* chr driver being released. */ |
d5b27167 | 201 | ++s->avail_connections; |
2d6c1ef4 | 202 | } |
6f97dba0 AL |
203 | s->chr_can_read = fd_can_read; |
204 | s->chr_read = fd_read; | |
205 | s->chr_event = fd_event; | |
206 | s->handler_opaque = opaque; | |
207 | if (s->chr_update_read_handler) | |
208 | s->chr_update_read_handler(s); | |
73cdf3f2 AG |
209 | |
210 | /* We're connecting to an already opened device, so let's make sure we | |
211 | also get the open event */ | |
212 | if (s->opened) { | |
213 | qemu_chr_generic_open(s); | |
214 | } | |
6f97dba0 AL |
215 | } |
216 | ||
217 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
218 | { | |
219 | return len; | |
220 | } | |
221 | ||
6e1db57b | 222 | static int qemu_chr_open_null(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
223 | { |
224 | CharDriverState *chr; | |
225 | ||
226 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 227 | chr->chr_write = null_chr_write; |
6e1db57b KW |
228 | |
229 | *_chr= chr; | |
230 | return 0; | |
6f97dba0 AL |
231 | } |
232 | ||
233 | /* MUX driver for serial I/O splitting */ | |
6f97dba0 AL |
234 | #define MAX_MUX 4 |
235 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
236 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
237 | typedef struct { | |
7b27a769 | 238 | IOCanReadHandler *chr_can_read[MAX_MUX]; |
6f97dba0 AL |
239 | IOReadHandler *chr_read[MAX_MUX]; |
240 | IOEventHandler *chr_event[MAX_MUX]; | |
241 | void *ext_opaque[MAX_MUX]; | |
242 | CharDriverState *drv; | |
799f1f23 | 243 | int focus; |
6f97dba0 AL |
244 | int mux_cnt; |
245 | int term_got_escape; | |
246 | int max_size; | |
a80bf99f AL |
247 | /* Intermediate input buffer allows to catch escape sequences even if the |
248 | currently active device is not accepting any input - but only until it | |
249 | is full as well. */ | |
250 | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; | |
251 | int prod[MAX_MUX]; | |
252 | int cons[MAX_MUX]; | |
2d22959d | 253 | int timestamps; |
4ab312f7 | 254 | int linestart; |
2d22959d | 255 | int64_t timestamps_start; |
6f97dba0 AL |
256 | } MuxDriver; |
257 | ||
258 | ||
259 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
260 | { | |
261 | MuxDriver *d = chr->opaque; | |
262 | int ret; | |
2d22959d | 263 | if (!d->timestamps) { |
6f97dba0 AL |
264 | ret = d->drv->chr_write(d->drv, buf, len); |
265 | } else { | |
266 | int i; | |
267 | ||
268 | ret = 0; | |
4ab312f7 JK |
269 | for (i = 0; i < len; i++) { |
270 | if (d->linestart) { | |
6f97dba0 AL |
271 | char buf1[64]; |
272 | int64_t ti; | |
273 | int secs; | |
274 | ||
7bd427d8 | 275 | ti = qemu_get_clock_ms(rt_clock); |
2d22959d JK |
276 | if (d->timestamps_start == -1) |
277 | d->timestamps_start = ti; | |
278 | ti -= d->timestamps_start; | |
a4bb1db8 | 279 | secs = ti / 1000; |
6f97dba0 AL |
280 | snprintf(buf1, sizeof(buf1), |
281 | "[%02d:%02d:%02d.%03d] ", | |
282 | secs / 3600, | |
283 | (secs / 60) % 60, | |
284 | secs % 60, | |
a4bb1db8 | 285 | (int)(ti % 1000)); |
6f97dba0 | 286 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
4ab312f7 JK |
287 | d->linestart = 0; |
288 | } | |
289 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
290 | if (buf[i] == '\n') { | |
291 | d->linestart = 1; | |
6f97dba0 AL |
292 | } |
293 | } | |
294 | } | |
295 | return ret; | |
296 | } | |
297 | ||
298 | static const char * const mux_help[] = { | |
299 | "% h print this help\n\r", | |
300 | "% x exit emulator\n\r", | |
301 | "% s save disk data back to file (if -snapshot)\n\r", | |
302 | "% t toggle console timestamps\n\r" | |
303 | "% b send break (magic sysrq)\n\r", | |
304 | "% c switch between console and monitor\n\r", | |
305 | "% % sends %\n\r", | |
306 | NULL | |
307 | }; | |
308 | ||
309 | int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
310 | static void mux_print_help(CharDriverState *chr) | |
311 | { | |
312 | int i, j; | |
313 | char ebuf[15] = "Escape-Char"; | |
314 | char cbuf[50] = "\n\r"; | |
315 | ||
316 | if (term_escape_char > 0 && term_escape_char < 26) { | |
317 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
318 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
319 | } else { | |
320 | snprintf(cbuf, sizeof(cbuf), | |
321 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
322 | term_escape_char); | |
323 | } | |
324 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
325 | for (i = 0; mux_help[i] != NULL; i++) { | |
326 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
327 | if (mux_help[i][j] == '%') | |
328 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
329 | else | |
330 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
331 | } | |
332 | } | |
333 | } | |
334 | ||
2724b180 AL |
335 | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
336 | { | |
337 | if (d->chr_event[mux_nr]) | |
338 | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); | |
339 | } | |
340 | ||
6f97dba0 AL |
341 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
342 | { | |
343 | if (d->term_got_escape) { | |
344 | d->term_got_escape = 0; | |
345 | if (ch == term_escape_char) | |
346 | goto send_char; | |
347 | switch(ch) { | |
348 | case '?': | |
349 | case 'h': | |
350 | mux_print_help(chr); | |
351 | break; | |
352 | case 'x': | |
353 | { | |
354 | const char *term = "QEMU: Terminated\n\r"; | |
355 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
356 | exit(0); | |
357 | break; | |
358 | } | |
359 | case 's': | |
6ab4b5ab | 360 | bdrv_commit_all(); |
6f97dba0 AL |
361 | break; |
362 | case 'b': | |
363 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
364 | break; | |
365 | case 'c': | |
366 | /* Switch to the next registered device */ | |
799f1f23 GH |
367 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
368 | d->focus++; | |
369 | if (d->focus >= d->mux_cnt) | |
370 | d->focus = 0; | |
371 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); | |
6f97dba0 | 372 | break; |
2d22959d JK |
373 | case 't': |
374 | d->timestamps = !d->timestamps; | |
375 | d->timestamps_start = -1; | |
4ab312f7 | 376 | d->linestart = 0; |
2d22959d | 377 | break; |
6f97dba0 AL |
378 | } |
379 | } else if (ch == term_escape_char) { | |
380 | d->term_got_escape = 1; | |
381 | } else { | |
382 | send_char: | |
383 | return 1; | |
384 | } | |
385 | return 0; | |
386 | } | |
387 | ||
388 | static void mux_chr_accept_input(CharDriverState *chr) | |
389 | { | |
6f97dba0 | 390 | MuxDriver *d = chr->opaque; |
799f1f23 | 391 | int m = d->focus; |
6f97dba0 | 392 | |
a80bf99f | 393 | while (d->prod[m] != d->cons[m] && |
6f97dba0 AL |
394 | d->chr_can_read[m] && |
395 | d->chr_can_read[m](d->ext_opaque[m])) { | |
396 | d->chr_read[m](d->ext_opaque[m], | |
a80bf99f | 397 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
6f97dba0 AL |
398 | } |
399 | } | |
400 | ||
401 | static int mux_chr_can_read(void *opaque) | |
402 | { | |
403 | CharDriverState *chr = opaque; | |
404 | MuxDriver *d = chr->opaque; | |
799f1f23 | 405 | int m = d->focus; |
6f97dba0 | 406 | |
a80bf99f | 407 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
6f97dba0 | 408 | return 1; |
a80bf99f AL |
409 | if (d->chr_can_read[m]) |
410 | return d->chr_can_read[m](d->ext_opaque[m]); | |
6f97dba0 AL |
411 | return 0; |
412 | } | |
413 | ||
414 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
415 | { | |
416 | CharDriverState *chr = opaque; | |
417 | MuxDriver *d = chr->opaque; | |
799f1f23 | 418 | int m = d->focus; |
6f97dba0 AL |
419 | int i; |
420 | ||
421 | mux_chr_accept_input (opaque); | |
422 | ||
423 | for(i = 0; i < size; i++) | |
424 | if (mux_proc_byte(chr, d, buf[i])) { | |
a80bf99f | 425 | if (d->prod[m] == d->cons[m] && |
6f97dba0 AL |
426 | d->chr_can_read[m] && |
427 | d->chr_can_read[m](d->ext_opaque[m])) | |
428 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
429 | else | |
a80bf99f | 430 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
6f97dba0 AL |
431 | } |
432 | } | |
433 | ||
434 | static void mux_chr_event(void *opaque, int event) | |
435 | { | |
436 | CharDriverState *chr = opaque; | |
437 | MuxDriver *d = chr->opaque; | |
438 | int i; | |
439 | ||
440 | /* Send the event to all registered listeners */ | |
441 | for (i = 0; i < d->mux_cnt; i++) | |
2724b180 | 442 | mux_chr_send_event(d, i, event); |
6f97dba0 AL |
443 | } |
444 | ||
445 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
446 | { | |
447 | MuxDriver *d = chr->opaque; | |
448 | ||
449 | if (d->mux_cnt >= MAX_MUX) { | |
450 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
451 | return; | |
452 | } | |
453 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
454 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
455 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
456 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
457 | /* Fix up the real driver with mux routines */ | |
458 | if (d->mux_cnt == 0) { | |
459 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
460 | mux_chr_event, chr); | |
461 | } | |
799f1f23 GH |
462 | if (d->focus != -1) { |
463 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); | |
a7aec5da | 464 | } |
799f1f23 | 465 | d->focus = d->mux_cnt; |
6f97dba0 | 466 | d->mux_cnt++; |
799f1f23 | 467 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
6f97dba0 AL |
468 | } |
469 | ||
470 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
471 | { | |
472 | CharDriverState *chr; | |
473 | MuxDriver *d; | |
474 | ||
475 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 476 | d = qemu_mallocz(sizeof(MuxDriver)); |
6f97dba0 AL |
477 | |
478 | chr->opaque = d; | |
479 | d->drv = drv; | |
799f1f23 | 480 | d->focus = -1; |
6f97dba0 AL |
481 | chr->chr_write = mux_chr_write; |
482 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
483 | chr->chr_accept_input = mux_chr_accept_input; | |
7c32c4fe HG |
484 | /* Frontend guest-open / -close notification is not support with muxes */ |
485 | chr->chr_guest_open = NULL; | |
486 | chr->chr_guest_close = NULL; | |
73cdf3f2 AG |
487 | |
488 | /* Muxes are always open on creation */ | |
489 | qemu_chr_generic_open(chr); | |
490 | ||
6f97dba0 AL |
491 | return chr; |
492 | } | |
493 | ||
494 | ||
495 | #ifdef _WIN32 | |
d247d25f | 496 | int send_all(int fd, const void *buf, int len1) |
6f97dba0 AL |
497 | { |
498 | int ret, len; | |
499 | ||
500 | len = len1; | |
501 | while (len > 0) { | |
502 | ret = send(fd, buf, len, 0); | |
503 | if (ret < 0) { | |
6f97dba0 AL |
504 | errno = WSAGetLastError(); |
505 | if (errno != WSAEWOULDBLOCK) { | |
506 | return -1; | |
507 | } | |
508 | } else if (ret == 0) { | |
509 | break; | |
510 | } else { | |
511 | buf += ret; | |
512 | len -= ret; | |
513 | } | |
514 | } | |
515 | return len1 - len; | |
516 | } | |
517 | ||
518 | #else | |
519 | ||
5fc9cfed | 520 | int send_all(int fd, const void *_buf, int len1) |
6f97dba0 AL |
521 | { |
522 | int ret, len; | |
5fc9cfed | 523 | const uint8_t *buf = _buf; |
6f97dba0 AL |
524 | |
525 | len = len1; | |
526 | while (len > 0) { | |
527 | ret = write(fd, buf, len); | |
528 | if (ret < 0) { | |
529 | if (errno != EINTR && errno != EAGAIN) | |
530 | return -1; | |
531 | } else if (ret == 0) { | |
532 | break; | |
533 | } else { | |
534 | buf += ret; | |
535 | len -= ret; | |
536 | } | |
537 | } | |
538 | return len1 - len; | |
539 | } | |
6f97dba0 AL |
540 | #endif /* !_WIN32 */ |
541 | ||
542 | #ifndef _WIN32 | |
543 | ||
544 | typedef struct { | |
545 | int fd_in, fd_out; | |
546 | int max_size; | |
547 | } FDCharDriver; | |
548 | ||
549 | #define STDIO_MAX_CLIENTS 1 | |
550 | static int stdio_nb_clients = 0; | |
551 | ||
552 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
553 | { | |
554 | FDCharDriver *s = chr->opaque; | |
555 | return send_all(s->fd_out, buf, len); | |
556 | } | |
557 | ||
558 | static int fd_chr_read_poll(void *opaque) | |
559 | { | |
560 | CharDriverState *chr = opaque; | |
561 | FDCharDriver *s = chr->opaque; | |
562 | ||
563 | s->max_size = qemu_chr_can_read(chr); | |
564 | return s->max_size; | |
565 | } | |
566 | ||
567 | static void fd_chr_read(void *opaque) | |
568 | { | |
569 | CharDriverState *chr = opaque; | |
570 | FDCharDriver *s = chr->opaque; | |
571 | int size, len; | |
9bd7854e | 572 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
573 | |
574 | len = sizeof(buf); | |
575 | if (len > s->max_size) | |
576 | len = s->max_size; | |
577 | if (len == 0) | |
578 | return; | |
579 | size = read(s->fd_in, buf, len); | |
580 | if (size == 0) { | |
581 | /* FD has been closed. Remove it from the active list. */ | |
582 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
793cbfb5 | 583 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
584 | return; |
585 | } | |
586 | if (size > 0) { | |
587 | qemu_chr_read(chr, buf, size); | |
588 | } | |
589 | } | |
590 | ||
591 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
592 | { | |
593 | FDCharDriver *s = chr->opaque; | |
594 | ||
595 | if (s->fd_in >= 0) { | |
993fbfdb | 596 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
597 | } else { |
598 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
599 | fd_chr_read, NULL, chr); | |
600 | } | |
601 | } | |
602 | } | |
603 | ||
604 | static void fd_chr_close(struct CharDriverState *chr) | |
605 | { | |
606 | FDCharDriver *s = chr->opaque; | |
607 | ||
608 | if (s->fd_in >= 0) { | |
993fbfdb | 609 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
6f97dba0 AL |
610 | } else { |
611 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
612 | } | |
613 | } | |
614 | ||
615 | qemu_free(s); | |
793cbfb5 | 616 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
617 | } |
618 | ||
619 | /* open a character device to a unix fd */ | |
620 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
621 | { | |
622 | CharDriverState *chr; | |
623 | FDCharDriver *s; | |
624 | ||
625 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 626 | s = qemu_mallocz(sizeof(FDCharDriver)); |
6f97dba0 AL |
627 | s->fd_in = fd_in; |
628 | s->fd_out = fd_out; | |
629 | chr->opaque = s; | |
630 | chr->chr_write = fd_chr_write; | |
631 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
632 | chr->chr_close = fd_chr_close; | |
633 | ||
127338e6 | 634 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
635 | |
636 | return chr; | |
637 | } | |
638 | ||
6e1db57b | 639 | static int qemu_chr_open_file_out(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
640 | { |
641 | int fd_out; | |
642 | ||
40ff6d7e | 643 | TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"), |
7d31544f | 644 | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); |
6e1db57b KW |
645 | if (fd_out < 0) { |
646 | return -errno; | |
647 | } | |
648 | ||
649 | *_chr = qemu_chr_open_fd(-1, fd_out); | |
650 | return 0; | |
6f97dba0 AL |
651 | } |
652 | ||
6e1db57b | 653 | static int qemu_chr_open_pipe(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
654 | { |
655 | int fd_in, fd_out; | |
656 | char filename_in[256], filename_out[256]; | |
7d31544f GH |
657 | const char *filename = qemu_opt_get(opts, "path"); |
658 | ||
659 | if (filename == NULL) { | |
660 | fprintf(stderr, "chardev: pipe: no filename given\n"); | |
6e1db57b | 661 | return -EINVAL; |
7d31544f | 662 | } |
6f97dba0 AL |
663 | |
664 | snprintf(filename_in, 256, "%s.in", filename); | |
665 | snprintf(filename_out, 256, "%s.out", filename); | |
40ff6d7e KW |
666 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
667 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); | |
6f97dba0 AL |
668 | if (fd_in < 0 || fd_out < 0) { |
669 | if (fd_in >= 0) | |
670 | close(fd_in); | |
671 | if (fd_out >= 0) | |
672 | close(fd_out); | |
6e1db57b KW |
673 | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
674 | if (fd_in < 0) { | |
675 | return -errno; | |
676 | } | |
6f97dba0 | 677 | } |
6e1db57b KW |
678 | |
679 | *_chr = qemu_chr_open_fd(fd_in, fd_out); | |
680 | return 0; | |
6f97dba0 AL |
681 | } |
682 | ||
683 | ||
684 | /* for STDIO, we handle the case where several clients use it | |
685 | (nographic mode) */ | |
686 | ||
687 | #define TERM_FIFO_MAX_SIZE 1 | |
688 | ||
689 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
690 | static int term_fifo_size; | |
691 | ||
692 | static int stdio_read_poll(void *opaque) | |
693 | { | |
694 | CharDriverState *chr = opaque; | |
695 | ||
696 | /* try to flush the queue if needed */ | |
697 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
698 | qemu_chr_read(chr, term_fifo, 1); | |
699 | term_fifo_size = 0; | |
700 | } | |
701 | /* see if we can absorb more chars */ | |
702 | if (term_fifo_size == 0) | |
703 | return 1; | |
704 | else | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static void stdio_read(void *opaque) | |
709 | { | |
710 | int size; | |
711 | uint8_t buf[1]; | |
712 | CharDriverState *chr = opaque; | |
713 | ||
714 | size = read(0, buf, 1); | |
715 | if (size == 0) { | |
716 | /* stdin has been closed. Remove it from the active list. */ | |
717 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
793cbfb5 | 718 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
719 | return; |
720 | } | |
721 | if (size > 0) { | |
722 | if (qemu_chr_can_read(chr) > 0) { | |
723 | qemu_chr_read(chr, buf, 1); | |
724 | } else if (term_fifo_size == 0) { | |
725 | term_fifo[term_fifo_size++] = buf[0]; | |
726 | } | |
727 | } | |
728 | } | |
729 | ||
730 | /* init terminal so that we can grab keys */ | |
731 | static struct termios oldtty; | |
732 | static int old_fd0_flags; | |
bb002513 | 733 | static bool stdio_allow_signal; |
6f97dba0 AL |
734 | |
735 | static void term_exit(void) | |
736 | { | |
737 | tcsetattr (0, TCSANOW, &oldtty); | |
738 | fcntl(0, F_SETFL, old_fd0_flags); | |
739 | } | |
740 | ||
bb002513 | 741 | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
6f97dba0 AL |
742 | { |
743 | struct termios tty; | |
744 | ||
0369364b | 745 | tty = oldtty; |
bb002513 PB |
746 | if (!echo) { |
747 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
6f97dba0 | 748 | |INLCR|IGNCR|ICRNL|IXON); |
bb002513 PB |
749 | tty.c_oflag |= OPOST; |
750 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
751 | tty.c_cflag &= ~(CSIZE|PARENB); | |
752 | tty.c_cflag |= CS8; | |
753 | tty.c_cc[VMIN] = 1; | |
754 | tty.c_cc[VTIME] = 0; | |
755 | } | |
6f97dba0 | 756 | /* if graphical mode, we allow Ctrl-C handling */ |
bb002513 | 757 | if (!stdio_allow_signal) |
6f97dba0 | 758 | tty.c_lflag &= ~ISIG; |
6f97dba0 AL |
759 | |
760 | tcsetattr (0, TCSANOW, &tty); | |
6f97dba0 AL |
761 | } |
762 | ||
763 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
764 | { | |
765 | term_exit(); | |
766 | stdio_nb_clients--; | |
767 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
768 | fd_chr_close(chr); | |
769 | } | |
770 | ||
6e1db57b | 771 | static int qemu_chr_open_stdio(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
772 | { |
773 | CharDriverState *chr; | |
774 | ||
6e1db57b KW |
775 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) { |
776 | return -EBUSY; | |
777 | } | |
778 | ||
0369364b PB |
779 | if (stdio_nb_clients == 0) { |
780 | old_fd0_flags = fcntl(0, F_GETFL); | |
781 | tcgetattr (0, &oldtty); | |
782 | fcntl(0, F_SETFL, O_NONBLOCK); | |
783 | atexit(term_exit); | |
784 | } | |
785 | ||
6f97dba0 AL |
786 | chr = qemu_chr_open_fd(0, 1); |
787 | chr->chr_close = qemu_chr_close_stdio; | |
bb002513 | 788 | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
6f97dba0 AL |
789 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
790 | stdio_nb_clients++; | |
bb002513 PB |
791 | stdio_allow_signal = qemu_opt_get_bool(opts, "signal", |
792 | display_type != DT_NOGRAPHIC); | |
793 | qemu_chr_set_echo(chr, false); | |
6f97dba0 | 794 | |
6e1db57b KW |
795 | *_chr = chr; |
796 | return 0; | |
6f97dba0 AL |
797 | } |
798 | ||
799 | #ifdef __sun__ | |
800 | /* Once Solaris has openpty(), this is going to be removed. */ | |
3f4cb3d3 BS |
801 | static int openpty(int *amaster, int *aslave, char *name, |
802 | struct termios *termp, struct winsize *winp) | |
6f97dba0 AL |
803 | { |
804 | const char *slave; | |
805 | int mfd = -1, sfd = -1; | |
806 | ||
807 | *amaster = *aslave = -1; | |
808 | ||
809 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
810 | if (mfd < 0) | |
811 | goto err; | |
812 | ||
813 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
814 | goto err; | |
815 | ||
816 | if ((slave = ptsname(mfd)) == NULL) | |
817 | goto err; | |
818 | ||
819 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
820 | goto err; | |
821 | ||
822 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
823 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
824 | goto err; | |
825 | ||
826 | if (amaster) | |
827 | *amaster = mfd; | |
828 | if (aslave) | |
829 | *aslave = sfd; | |
830 | if (winp) | |
831 | ioctl(sfd, TIOCSWINSZ, winp); | |
832 | ||
833 | return 0; | |
834 | ||
835 | err: | |
836 | if (sfd != -1) | |
837 | close(sfd); | |
838 | close(mfd); | |
839 | return -1; | |
840 | } | |
841 | ||
3f4cb3d3 | 842 | static void cfmakeraw (struct termios *termios_p) |
6f97dba0 AL |
843 | { |
844 | termios_p->c_iflag &= | |
845 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
846 | termios_p->c_oflag &= ~OPOST; | |
847 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
848 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
849 | termios_p->c_cflag |= CS8; | |
850 | ||
851 | termios_p->c_cc[VMIN] = 0; | |
852 | termios_p->c_cc[VTIME] = 0; | |
853 | } | |
854 | #endif | |
855 | ||
856 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
a167ba50 AJ |
857 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
858 | || defined(__GLIBC__) | |
6f97dba0 AL |
859 | |
860 | typedef struct { | |
861 | int fd; | |
862 | int connected; | |
863 | int polling; | |
864 | int read_bytes; | |
865 | QEMUTimer *timer; | |
866 | } PtyCharDriver; | |
867 | ||
868 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
869 | static void pty_chr_state(CharDriverState *chr, int connected); | |
870 | ||
871 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
872 | { | |
873 | PtyCharDriver *s = chr->opaque; | |
874 | ||
875 | if (!s->connected) { | |
876 | /* guest sends data, check for (re-)connect */ | |
877 | pty_chr_update_read_handler(chr); | |
878 | return 0; | |
879 | } | |
880 | return send_all(s->fd, buf, len); | |
881 | } | |
882 | ||
883 | static int pty_chr_read_poll(void *opaque) | |
884 | { | |
885 | CharDriverState *chr = opaque; | |
886 | PtyCharDriver *s = chr->opaque; | |
887 | ||
888 | s->read_bytes = qemu_chr_can_read(chr); | |
889 | return s->read_bytes; | |
890 | } | |
891 | ||
892 | static void pty_chr_read(void *opaque) | |
893 | { | |
894 | CharDriverState *chr = opaque; | |
895 | PtyCharDriver *s = chr->opaque; | |
896 | int size, len; | |
9bd7854e | 897 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
898 | |
899 | len = sizeof(buf); | |
900 | if (len > s->read_bytes) | |
901 | len = s->read_bytes; | |
902 | if (len == 0) | |
903 | return; | |
904 | size = read(s->fd, buf, len); | |
905 | if ((size == -1 && errno == EIO) || | |
906 | (size == 0)) { | |
907 | pty_chr_state(chr, 0); | |
908 | return; | |
909 | } | |
910 | if (size > 0) { | |
911 | pty_chr_state(chr, 1); | |
912 | qemu_chr_read(chr, buf, size); | |
913 | } | |
914 | } | |
915 | ||
916 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
917 | { | |
918 | PtyCharDriver *s = chr->opaque; | |
919 | ||
920 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, | |
921 | pty_chr_read, NULL, chr); | |
922 | s->polling = 1; | |
923 | /* | |
924 | * Short timeout here: just need wait long enougth that qemu makes | |
925 | * it through the poll loop once. When reconnected we want a | |
926 | * short timeout so we notice it almost instantly. Otherwise | |
927 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
928 | * timeout to the normal (much longer) poll interval before the | |
929 | * timer triggers. | |
930 | */ | |
7bd427d8 | 931 | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 10); |
6f97dba0 AL |
932 | } |
933 | ||
934 | static void pty_chr_state(CharDriverState *chr, int connected) | |
935 | { | |
936 | PtyCharDriver *s = chr->opaque; | |
937 | ||
938 | if (!connected) { | |
939 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
940 | s->connected = 0; | |
941 | s->polling = 0; | |
942 | /* (re-)connect poll interval for idle guests: once per second. | |
943 | * We check more frequently in case the guests sends data to | |
944 | * the virtual device linked to our pty. */ | |
7bd427d8 | 945 | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 1000); |
6f97dba0 AL |
946 | } else { |
947 | if (!s->connected) | |
127338e6 | 948 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
949 | s->connected = 1; |
950 | } | |
951 | } | |
952 | ||
953 | static void pty_chr_timer(void *opaque) | |
954 | { | |
955 | struct CharDriverState *chr = opaque; | |
956 | PtyCharDriver *s = chr->opaque; | |
957 | ||
958 | if (s->connected) | |
959 | return; | |
960 | if (s->polling) { | |
961 | /* If we arrive here without polling being cleared due | |
962 | * read returning -EIO, then we are (re-)connected */ | |
963 | pty_chr_state(chr, 1); | |
964 | return; | |
965 | } | |
966 | ||
967 | /* Next poll ... */ | |
968 | pty_chr_update_read_handler(chr); | |
969 | } | |
970 | ||
971 | static void pty_chr_close(struct CharDriverState *chr) | |
972 | { | |
973 | PtyCharDriver *s = chr->opaque; | |
974 | ||
975 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
976 | close(s->fd); | |
819f56b7 AL |
977 | qemu_del_timer(s->timer); |
978 | qemu_free_timer(s->timer); | |
6f97dba0 | 979 | qemu_free(s); |
793cbfb5 | 980 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
981 | } |
982 | ||
6e1db57b | 983 | static int qemu_chr_open_pty(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
984 | { |
985 | CharDriverState *chr; | |
986 | PtyCharDriver *s; | |
987 | struct termios tty; | |
988 | int slave_fd, len; | |
c5e97233 | 989 | #if defined(__OpenBSD__) || defined(__DragonFly__) |
6f97dba0 AL |
990 | char pty_name[PATH_MAX]; |
991 | #define q_ptsname(x) pty_name | |
992 | #else | |
993 | char *pty_name = NULL; | |
994 | #define q_ptsname(x) ptsname(x) | |
995 | #endif | |
996 | ||
997 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 998 | s = qemu_mallocz(sizeof(PtyCharDriver)); |
6f97dba0 AL |
999 | |
1000 | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { | |
6e1db57b | 1001 | return -errno; |
6f97dba0 AL |
1002 | } |
1003 | ||
1004 | /* Set raw attributes on the pty. */ | |
c3b972c3 | 1005 | tcgetattr(slave_fd, &tty); |
6f97dba0 AL |
1006 | cfmakeraw(&tty); |
1007 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
1008 | close(slave_fd); | |
1009 | ||
1010 | len = strlen(q_ptsname(s->fd)) + 5; | |
1011 | chr->filename = qemu_malloc(len); | |
1012 | snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd)); | |
4490dadf | 1013 | qemu_opt_set(opts, "path", q_ptsname(s->fd)); |
6f97dba0 AL |
1014 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); |
1015 | ||
1016 | chr->opaque = s; | |
1017 | chr->chr_write = pty_chr_write; | |
1018 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
1019 | chr->chr_close = pty_chr_close; | |
1020 | ||
7bd427d8 | 1021 | s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr); |
6f97dba0 | 1022 | |
6e1db57b KW |
1023 | *_chr = chr; |
1024 | return 0; | |
6f97dba0 AL |
1025 | } |
1026 | ||
1027 | static void tty_serial_init(int fd, int speed, | |
1028 | int parity, int data_bits, int stop_bits) | |
1029 | { | |
1030 | struct termios tty; | |
1031 | speed_t spd; | |
1032 | ||
1033 | #if 0 | |
1034 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1035 | speed, parity, data_bits, stop_bits); | |
1036 | #endif | |
1037 | tcgetattr (fd, &tty); | |
1038 | ||
45eea13b SW |
1039 | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1040 | speed = speed * 10 / 11; | |
1041 | do { | |
1042 | check_speed(50); | |
1043 | check_speed(75); | |
1044 | check_speed(110); | |
1045 | check_speed(134); | |
1046 | check_speed(150); | |
1047 | check_speed(200); | |
1048 | check_speed(300); | |
1049 | check_speed(600); | |
1050 | check_speed(1200); | |
1051 | check_speed(1800); | |
1052 | check_speed(2400); | |
1053 | check_speed(4800); | |
1054 | check_speed(9600); | |
1055 | check_speed(19200); | |
1056 | check_speed(38400); | |
1057 | /* Non-Posix values follow. They may be unsupported on some systems. */ | |
1058 | check_speed(57600); | |
1059 | check_speed(115200); | |
1060 | #ifdef B230400 | |
1061 | check_speed(230400); | |
1062 | #endif | |
1063 | #ifdef B460800 | |
1064 | check_speed(460800); | |
1065 | #endif | |
1066 | #ifdef B500000 | |
1067 | check_speed(500000); | |
1068 | #endif | |
1069 | #ifdef B576000 | |
1070 | check_speed(576000); | |
1071 | #endif | |
1072 | #ifdef B921600 | |
1073 | check_speed(921600); | |
1074 | #endif | |
1075 | #ifdef B1000000 | |
1076 | check_speed(1000000); | |
1077 | #endif | |
1078 | #ifdef B1152000 | |
1079 | check_speed(1152000); | |
1080 | #endif | |
1081 | #ifdef B1500000 | |
1082 | check_speed(1500000); | |
1083 | #endif | |
1084 | #ifdef B2000000 | |
1085 | check_speed(2000000); | |
1086 | #endif | |
1087 | #ifdef B2500000 | |
1088 | check_speed(2500000); | |
1089 | #endif | |
1090 | #ifdef B3000000 | |
1091 | check_speed(3000000); | |
1092 | #endif | |
1093 | #ifdef B3500000 | |
1094 | check_speed(3500000); | |
1095 | #endif | |
1096 | #ifdef B4000000 | |
1097 | check_speed(4000000); | |
1098 | #endif | |
6f97dba0 | 1099 | spd = B115200; |
45eea13b | 1100 | } while (0); |
6f97dba0 AL |
1101 | |
1102 | cfsetispeed(&tty, spd); | |
1103 | cfsetospeed(&tty, spd); | |
1104 | ||
1105 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1106 | |INLCR|IGNCR|ICRNL|IXON); | |
1107 | tty.c_oflag |= OPOST; | |
1108 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1109 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1110 | switch(data_bits) { | |
1111 | default: | |
1112 | case 8: | |
1113 | tty.c_cflag |= CS8; | |
1114 | break; | |
1115 | case 7: | |
1116 | tty.c_cflag |= CS7; | |
1117 | break; | |
1118 | case 6: | |
1119 | tty.c_cflag |= CS6; | |
1120 | break; | |
1121 | case 5: | |
1122 | tty.c_cflag |= CS5; | |
1123 | break; | |
1124 | } | |
1125 | switch(parity) { | |
1126 | default: | |
1127 | case 'N': | |
1128 | break; | |
1129 | case 'E': | |
1130 | tty.c_cflag |= PARENB; | |
1131 | break; | |
1132 | case 'O': | |
1133 | tty.c_cflag |= PARENB | PARODD; | |
1134 | break; | |
1135 | } | |
1136 | if (stop_bits == 2) | |
1137 | tty.c_cflag |= CSTOPB; | |
1138 | ||
1139 | tcsetattr (fd, TCSANOW, &tty); | |
1140 | } | |
1141 | ||
1142 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1143 | { | |
1144 | FDCharDriver *s = chr->opaque; | |
1145 | ||
1146 | switch(cmd) { | |
1147 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1148 | { | |
1149 | QEMUSerialSetParams *ssp = arg; | |
1150 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1151 | ssp->data_bits, ssp->stop_bits); | |
1152 | } | |
1153 | break; | |
1154 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1155 | { | |
1156 | int enable = *(int *)arg; | |
1157 | if (enable) | |
1158 | tcsendbreak(s->fd_in, 1); | |
1159 | } | |
1160 | break; | |
1161 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
1162 | { | |
1163 | int sarg = 0; | |
1164 | int *targ = (int *)arg; | |
1165 | ioctl(s->fd_in, TIOCMGET, &sarg); | |
1166 | *targ = 0; | |
b4abdfa4 | 1167 | if (sarg & TIOCM_CTS) |
6f97dba0 | 1168 | *targ |= CHR_TIOCM_CTS; |
b4abdfa4 | 1169 | if (sarg & TIOCM_CAR) |
6f97dba0 | 1170 | *targ |= CHR_TIOCM_CAR; |
b4abdfa4 | 1171 | if (sarg & TIOCM_DSR) |
6f97dba0 | 1172 | *targ |= CHR_TIOCM_DSR; |
b4abdfa4 | 1173 | if (sarg & TIOCM_RI) |
6f97dba0 | 1174 | *targ |= CHR_TIOCM_RI; |
b4abdfa4 | 1175 | if (sarg & TIOCM_DTR) |
6f97dba0 | 1176 | *targ |= CHR_TIOCM_DTR; |
b4abdfa4 | 1177 | if (sarg & TIOCM_RTS) |
6f97dba0 AL |
1178 | *targ |= CHR_TIOCM_RTS; |
1179 | } | |
1180 | break; | |
1181 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
1182 | { | |
1183 | int sarg = *(int *)arg; | |
1184 | int targ = 0; | |
b4abdfa4 AJ |
1185 | ioctl(s->fd_in, TIOCMGET, &targ); |
1186 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR | |
1187 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); | |
1188 | if (sarg & CHR_TIOCM_CTS) | |
1189 | targ |= TIOCM_CTS; | |
1190 | if (sarg & CHR_TIOCM_CAR) | |
1191 | targ |= TIOCM_CAR; | |
1192 | if (sarg & CHR_TIOCM_DSR) | |
1193 | targ |= TIOCM_DSR; | |
1194 | if (sarg & CHR_TIOCM_RI) | |
1195 | targ |= TIOCM_RI; | |
1196 | if (sarg & CHR_TIOCM_DTR) | |
6f97dba0 | 1197 | targ |= TIOCM_DTR; |
b4abdfa4 | 1198 | if (sarg & CHR_TIOCM_RTS) |
6f97dba0 AL |
1199 | targ |= TIOCM_RTS; |
1200 | ioctl(s->fd_in, TIOCMSET, &targ); | |
1201 | } | |
1202 | break; | |
1203 | default: | |
1204 | return -ENOTSUP; | |
1205 | } | |
1206 | return 0; | |
1207 | } | |
1208 | ||
4266a134 DA |
1209 | static void qemu_chr_close_tty(CharDriverState *chr) |
1210 | { | |
1211 | FDCharDriver *s = chr->opaque; | |
1212 | int fd = -1; | |
1213 | ||
1214 | if (s) { | |
1215 | fd = s->fd_in; | |
1216 | } | |
1217 | ||
1218 | fd_chr_close(chr); | |
1219 | ||
1220 | if (fd >= 0) { | |
1221 | close(fd); | |
1222 | } | |
1223 | } | |
1224 | ||
6e1db57b | 1225 | static int qemu_chr_open_tty(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1226 | { |
48b76496 | 1227 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1228 | CharDriverState *chr; |
1229 | int fd; | |
1230 | ||
6e1db57b | 1231 | TFR(fd = qemu_open(filename, O_RDWR | O_NONBLOCK)); |
afc535ac | 1232 | if (fd < 0) { |
6e1db57b | 1233 | return -errno; |
afc535ac | 1234 | } |
6f97dba0 AL |
1235 | tty_serial_init(fd, 115200, 'N', 8, 1); |
1236 | chr = qemu_chr_open_fd(fd, fd); | |
6f97dba0 | 1237 | chr->chr_ioctl = tty_serial_ioctl; |
4266a134 | 1238 | chr->chr_close = qemu_chr_close_tty; |
6e1db57b KW |
1239 | |
1240 | *_chr = chr; | |
1241 | return 0; | |
6f97dba0 AL |
1242 | } |
1243 | #else /* ! __linux__ && ! __sun__ */ | |
6e1db57b | 1244 | static int qemu_chr_open_pty(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1245 | { |
6e1db57b | 1246 | return -ENOTSUP; |
6f97dba0 AL |
1247 | } |
1248 | #endif /* __linux__ || __sun__ */ | |
1249 | ||
1250 | #if defined(__linux__) | |
1251 | typedef struct { | |
1252 | int fd; | |
1253 | int mode; | |
1254 | } ParallelCharDriver; | |
1255 | ||
1256 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1257 | { | |
1258 | if (s->mode != mode) { | |
1259 | int m = mode; | |
1260 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1261 | return 0; | |
1262 | s->mode = mode; | |
1263 | } | |
1264 | return 1; | |
1265 | } | |
1266 | ||
1267 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1268 | { | |
1269 | ParallelCharDriver *drv = chr->opaque; | |
1270 | int fd = drv->fd; | |
1271 | uint8_t b; | |
1272 | ||
1273 | switch(cmd) { | |
1274 | case CHR_IOCTL_PP_READ_DATA: | |
1275 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1276 | return -ENOTSUP; | |
1277 | *(uint8_t *)arg = b; | |
1278 | break; | |
1279 | case CHR_IOCTL_PP_WRITE_DATA: | |
1280 | b = *(uint8_t *)arg; | |
1281 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1282 | return -ENOTSUP; | |
1283 | break; | |
1284 | case CHR_IOCTL_PP_READ_CONTROL: | |
1285 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1286 | return -ENOTSUP; | |
1287 | /* Linux gives only the lowest bits, and no way to know data | |
1288 | direction! For better compatibility set the fixed upper | |
1289 | bits. */ | |
1290 | *(uint8_t *)arg = b | 0xc0; | |
1291 | break; | |
1292 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1293 | b = *(uint8_t *)arg; | |
1294 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1295 | return -ENOTSUP; | |
1296 | break; | |
1297 | case CHR_IOCTL_PP_READ_STATUS: | |
1298 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1299 | return -ENOTSUP; | |
1300 | *(uint8_t *)arg = b; | |
1301 | break; | |
1302 | case CHR_IOCTL_PP_DATA_DIR: | |
1303 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
1304 | return -ENOTSUP; | |
1305 | break; | |
1306 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1307 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1308 | struct ParallelIOArg *parg = arg; | |
1309 | int n = read(fd, parg->buffer, parg->count); | |
1310 | if (n != parg->count) { | |
1311 | return -EIO; | |
1312 | } | |
1313 | } | |
1314 | break; | |
1315 | case CHR_IOCTL_PP_EPP_READ: | |
1316 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1317 | struct ParallelIOArg *parg = arg; | |
1318 | int n = read(fd, parg->buffer, parg->count); | |
1319 | if (n != parg->count) { | |
1320 | return -EIO; | |
1321 | } | |
1322 | } | |
1323 | break; | |
1324 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1325 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1326 | struct ParallelIOArg *parg = arg; | |
1327 | int n = write(fd, parg->buffer, parg->count); | |
1328 | if (n != parg->count) { | |
1329 | return -EIO; | |
1330 | } | |
1331 | } | |
1332 | break; | |
1333 | case CHR_IOCTL_PP_EPP_WRITE: | |
1334 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1335 | struct ParallelIOArg *parg = arg; | |
1336 | int n = write(fd, parg->buffer, parg->count); | |
1337 | if (n != parg->count) { | |
1338 | return -EIO; | |
1339 | } | |
1340 | } | |
1341 | break; | |
1342 | default: | |
1343 | return -ENOTSUP; | |
1344 | } | |
1345 | return 0; | |
1346 | } | |
1347 | ||
1348 | static void pp_close(CharDriverState *chr) | |
1349 | { | |
1350 | ParallelCharDriver *drv = chr->opaque; | |
1351 | int fd = drv->fd; | |
1352 | ||
1353 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
1354 | ioctl(fd, PPRELEASE); | |
1355 | close(fd); | |
1356 | qemu_free(drv); | |
793cbfb5 | 1357 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
1358 | } |
1359 | ||
6e1db57b | 1360 | static int qemu_chr_open_pp(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1361 | { |
48b76496 | 1362 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1363 | CharDriverState *chr; |
1364 | ParallelCharDriver *drv; | |
1365 | int fd; | |
1366 | ||
1367 | TFR(fd = open(filename, O_RDWR)); | |
6e1db57b KW |
1368 | if (fd < 0) { |
1369 | return -errno; | |
1370 | } | |
6f97dba0 AL |
1371 | |
1372 | if (ioctl(fd, PPCLAIM) < 0) { | |
1373 | close(fd); | |
6e1db57b | 1374 | return -errno; |
6f97dba0 AL |
1375 | } |
1376 | ||
1377 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
6f97dba0 AL |
1378 | drv->fd = fd; |
1379 | drv->mode = IEEE1284_MODE_COMPAT; | |
1380 | ||
1381 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 AL |
1382 | chr->chr_write = null_chr_write; |
1383 | chr->chr_ioctl = pp_ioctl; | |
1384 | chr->chr_close = pp_close; | |
1385 | chr->opaque = drv; | |
1386 | ||
127338e6 | 1387 | qemu_chr_generic_open(chr); |
6f97dba0 | 1388 | |
6e1db57b KW |
1389 | *_chr = chr; |
1390 | return 0; | |
6f97dba0 AL |
1391 | } |
1392 | #endif /* __linux__ */ | |
1393 | ||
a167ba50 | 1394 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
6972f935 BS |
1395 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1396 | { | |
e0efb993 | 1397 | int fd = (int)(intptr_t)chr->opaque; |
6972f935 BS |
1398 | uint8_t b; |
1399 | ||
1400 | switch(cmd) { | |
1401 | case CHR_IOCTL_PP_READ_DATA: | |
1402 | if (ioctl(fd, PPIGDATA, &b) < 0) | |
1403 | return -ENOTSUP; | |
1404 | *(uint8_t *)arg = b; | |
1405 | break; | |
1406 | case CHR_IOCTL_PP_WRITE_DATA: | |
1407 | b = *(uint8_t *)arg; | |
1408 | if (ioctl(fd, PPISDATA, &b) < 0) | |
1409 | return -ENOTSUP; | |
1410 | break; | |
1411 | case CHR_IOCTL_PP_READ_CONTROL: | |
1412 | if (ioctl(fd, PPIGCTRL, &b) < 0) | |
1413 | return -ENOTSUP; | |
1414 | *(uint8_t *)arg = b; | |
1415 | break; | |
1416 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1417 | b = *(uint8_t *)arg; | |
1418 | if (ioctl(fd, PPISCTRL, &b) < 0) | |
1419 | return -ENOTSUP; | |
1420 | break; | |
1421 | case CHR_IOCTL_PP_READ_STATUS: | |
1422 | if (ioctl(fd, PPIGSTATUS, &b) < 0) | |
1423 | return -ENOTSUP; | |
1424 | *(uint8_t *)arg = b; | |
1425 | break; | |
1426 | default: | |
1427 | return -ENOTSUP; | |
1428 | } | |
1429 | return 0; | |
1430 | } | |
1431 | ||
6e1db57b | 1432 | static int qemu_chr_open_pp(QemuOpts *opts, CharDriverState **_chr) |
6972f935 | 1433 | { |
48b76496 | 1434 | const char *filename = qemu_opt_get(opts, "path"); |
6972f935 BS |
1435 | CharDriverState *chr; |
1436 | int fd; | |
1437 | ||
6e1db57b KW |
1438 | fd = qemu_open(filename, O_RDWR); |
1439 | if (fd < 0) { | |
1440 | return -errno; | |
1441 | } | |
6972f935 BS |
1442 | |
1443 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
e0efb993 | 1444 | chr->opaque = (void *)(intptr_t)fd; |
6972f935 BS |
1445 | chr->chr_write = null_chr_write; |
1446 | chr->chr_ioctl = pp_ioctl; | |
6e1db57b KW |
1447 | |
1448 | *_chr = chr; | |
1449 | return 0; | |
6972f935 BS |
1450 | } |
1451 | #endif | |
1452 | ||
6f97dba0 AL |
1453 | #else /* _WIN32 */ |
1454 | ||
1455 | typedef struct { | |
1456 | int max_size; | |
1457 | HANDLE hcom, hrecv, hsend; | |
1458 | OVERLAPPED orecv, osend; | |
1459 | BOOL fpipe; | |
1460 | DWORD len; | |
1461 | } WinCharState; | |
1462 | ||
1463 | #define NSENDBUF 2048 | |
1464 | #define NRECVBUF 2048 | |
1465 | #define MAXCONNECT 1 | |
1466 | #define NTIMEOUT 5000 | |
1467 | ||
1468 | static int win_chr_poll(void *opaque); | |
1469 | static int win_chr_pipe_poll(void *opaque); | |
1470 | ||
1471 | static void win_chr_close(CharDriverState *chr) | |
1472 | { | |
1473 | WinCharState *s = chr->opaque; | |
1474 | ||
1475 | if (s->hsend) { | |
1476 | CloseHandle(s->hsend); | |
1477 | s->hsend = NULL; | |
1478 | } | |
1479 | if (s->hrecv) { | |
1480 | CloseHandle(s->hrecv); | |
1481 | s->hrecv = NULL; | |
1482 | } | |
1483 | if (s->hcom) { | |
1484 | CloseHandle(s->hcom); | |
1485 | s->hcom = NULL; | |
1486 | } | |
1487 | if (s->fpipe) | |
1488 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
1489 | else | |
1490 | qemu_del_polling_cb(win_chr_poll, chr); | |
793cbfb5 AS |
1491 | |
1492 | qemu_chr_event(chr, CHR_EVENT_CLOSED); | |
6f97dba0 AL |
1493 | } |
1494 | ||
1495 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
1496 | { | |
1497 | WinCharState *s = chr->opaque; | |
1498 | COMMCONFIG comcfg; | |
1499 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
1500 | COMSTAT comstat; | |
1501 | DWORD size; | |
1502 | DWORD err; | |
1503 | ||
1504 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1505 | if (!s->hsend) { | |
1506 | fprintf(stderr, "Failed CreateEvent\n"); | |
1507 | goto fail; | |
1508 | } | |
1509 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1510 | if (!s->hrecv) { | |
1511 | fprintf(stderr, "Failed CreateEvent\n"); | |
1512 | goto fail; | |
1513 | } | |
1514 | ||
1515 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
1516 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
1517 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1518 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
1519 | s->hcom = NULL; | |
1520 | goto fail; | |
1521 | } | |
1522 | ||
1523 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
1524 | fprintf(stderr, "Failed SetupComm\n"); | |
1525 | goto fail; | |
1526 | } | |
1527 | ||
1528 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
1529 | size = sizeof(COMMCONFIG); | |
1530 | GetDefaultCommConfig(filename, &comcfg, &size); | |
1531 | comcfg.dcb.DCBlength = sizeof(DCB); | |
1532 | CommConfigDialog(filename, NULL, &comcfg); | |
1533 | ||
1534 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
1535 | fprintf(stderr, "Failed SetCommState\n"); | |
1536 | goto fail; | |
1537 | } | |
1538 | ||
1539 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
1540 | fprintf(stderr, "Failed SetCommMask\n"); | |
1541 | goto fail; | |
1542 | } | |
1543 | ||
1544 | cto.ReadIntervalTimeout = MAXDWORD; | |
1545 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
1546 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
1547 | goto fail; | |
1548 | } | |
1549 | ||
1550 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
1551 | fprintf(stderr, "Failed ClearCommError\n"); | |
1552 | goto fail; | |
1553 | } | |
1554 | qemu_add_polling_cb(win_chr_poll, chr); | |
1555 | return 0; | |
1556 | ||
1557 | fail: | |
1558 | win_chr_close(chr); | |
1559 | return -1; | |
1560 | } | |
1561 | ||
1562 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
1563 | { | |
1564 | WinCharState *s = chr->opaque; | |
1565 | DWORD len, ret, size, err; | |
1566 | ||
1567 | len = len1; | |
1568 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
1569 | s->osend.hEvent = s->hsend; | |
1570 | while (len > 0) { | |
1571 | if (s->hsend) | |
1572 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
1573 | else | |
1574 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
1575 | if (!ret) { | |
1576 | err = GetLastError(); | |
1577 | if (err == ERROR_IO_PENDING) { | |
1578 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
1579 | if (ret) { | |
1580 | buf += size; | |
1581 | len -= size; | |
1582 | } else { | |
1583 | break; | |
1584 | } | |
1585 | } else { | |
1586 | break; | |
1587 | } | |
1588 | } else { | |
1589 | buf += size; | |
1590 | len -= size; | |
1591 | } | |
1592 | } | |
1593 | return len1 - len; | |
1594 | } | |
1595 | ||
1596 | static int win_chr_read_poll(CharDriverState *chr) | |
1597 | { | |
1598 | WinCharState *s = chr->opaque; | |
1599 | ||
1600 | s->max_size = qemu_chr_can_read(chr); | |
1601 | return s->max_size; | |
1602 | } | |
1603 | ||
1604 | static void win_chr_readfile(CharDriverState *chr) | |
1605 | { | |
1606 | WinCharState *s = chr->opaque; | |
1607 | int ret, err; | |
9bd7854e | 1608 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1609 | DWORD size; |
1610 | ||
1611 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
1612 | s->orecv.hEvent = s->hrecv; | |
1613 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
1614 | if (!ret) { | |
1615 | err = GetLastError(); | |
1616 | if (err == ERROR_IO_PENDING) { | |
1617 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
1618 | } | |
1619 | } | |
1620 | ||
1621 | if (size > 0) { | |
1622 | qemu_chr_read(chr, buf, size); | |
1623 | } | |
1624 | } | |
1625 | ||
1626 | static void win_chr_read(CharDriverState *chr) | |
1627 | { | |
1628 | WinCharState *s = chr->opaque; | |
1629 | ||
1630 | if (s->len > s->max_size) | |
1631 | s->len = s->max_size; | |
1632 | if (s->len == 0) | |
1633 | return; | |
1634 | ||
1635 | win_chr_readfile(chr); | |
1636 | } | |
1637 | ||
1638 | static int win_chr_poll(void *opaque) | |
1639 | { | |
1640 | CharDriverState *chr = opaque; | |
1641 | WinCharState *s = chr->opaque; | |
1642 | COMSTAT status; | |
1643 | DWORD comerr; | |
1644 | ||
1645 | ClearCommError(s->hcom, &comerr, &status); | |
1646 | if (status.cbInQue > 0) { | |
1647 | s->len = status.cbInQue; | |
1648 | win_chr_read_poll(chr); | |
1649 | win_chr_read(chr); | |
1650 | return 1; | |
1651 | } | |
1652 | return 0; | |
1653 | } | |
1654 | ||
6e1db57b | 1655 | static int qemu_chr_open_win(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1656 | { |
48b76496 | 1657 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1658 | CharDriverState *chr; |
1659 | WinCharState *s; | |
1660 | ||
1661 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1662 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1663 | chr->opaque = s; |
1664 | chr->chr_write = win_chr_write; | |
1665 | chr->chr_close = win_chr_close; | |
1666 | ||
1667 | if (win_chr_init(chr, filename) < 0) { | |
1668 | free(s); | |
1669 | free(chr); | |
6e1db57b | 1670 | return -EIO; |
6f97dba0 | 1671 | } |
127338e6 | 1672 | qemu_chr_generic_open(chr); |
6e1db57b KW |
1673 | |
1674 | *_chr = chr; | |
1675 | return 0; | |
6f97dba0 AL |
1676 | } |
1677 | ||
1678 | static int win_chr_pipe_poll(void *opaque) | |
1679 | { | |
1680 | CharDriverState *chr = opaque; | |
1681 | WinCharState *s = chr->opaque; | |
1682 | DWORD size; | |
1683 | ||
1684 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
1685 | if (size > 0) { | |
1686 | s->len = size; | |
1687 | win_chr_read_poll(chr); | |
1688 | win_chr_read(chr); | |
1689 | return 1; | |
1690 | } | |
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
1695 | { | |
1696 | WinCharState *s = chr->opaque; | |
1697 | OVERLAPPED ov; | |
1698 | int ret; | |
1699 | DWORD size; | |
1700 | char openname[256]; | |
1701 | ||
1702 | s->fpipe = TRUE; | |
1703 | ||
1704 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1705 | if (!s->hsend) { | |
1706 | fprintf(stderr, "Failed CreateEvent\n"); | |
1707 | goto fail; | |
1708 | } | |
1709 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1710 | if (!s->hrecv) { | |
1711 | fprintf(stderr, "Failed CreateEvent\n"); | |
1712 | goto fail; | |
1713 | } | |
1714 | ||
1715 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
1716 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
1717 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
1718 | PIPE_WAIT, | |
1719 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
1720 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
1721 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
1722 | s->hcom = NULL; | |
1723 | goto fail; | |
1724 | } | |
1725 | ||
1726 | ZeroMemory(&ov, sizeof(ov)); | |
1727 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
1728 | ret = ConnectNamedPipe(s->hcom, &ov); | |
1729 | if (ret) { | |
1730 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
1731 | goto fail; | |
1732 | } | |
1733 | ||
1734 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
1735 | if (!ret) { | |
1736 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
1737 | if (ov.hEvent) { | |
1738 | CloseHandle(ov.hEvent); | |
1739 | ov.hEvent = NULL; | |
1740 | } | |
1741 | goto fail; | |
1742 | } | |
1743 | ||
1744 | if (ov.hEvent) { | |
1745 | CloseHandle(ov.hEvent); | |
1746 | ov.hEvent = NULL; | |
1747 | } | |
1748 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
1749 | return 0; | |
1750 | ||
1751 | fail: | |
1752 | win_chr_close(chr); | |
1753 | return -1; | |
1754 | } | |
1755 | ||
1756 | ||
6e1db57b | 1757 | static int qemu_chr_open_win_pipe(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1758 | { |
7d31544f | 1759 | const char *filename = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1760 | CharDriverState *chr; |
1761 | WinCharState *s; | |
1762 | ||
1763 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1764 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1765 | chr->opaque = s; |
1766 | chr->chr_write = win_chr_write; | |
1767 | chr->chr_close = win_chr_close; | |
1768 | ||
1769 | if (win_chr_pipe_init(chr, filename) < 0) { | |
1770 | free(s); | |
1771 | free(chr); | |
6e1db57b | 1772 | return -EIO; |
6f97dba0 | 1773 | } |
127338e6 | 1774 | qemu_chr_generic_open(chr); |
6e1db57b KW |
1775 | |
1776 | *_chr = chr; | |
1777 | return 0; | |
6f97dba0 AL |
1778 | } |
1779 | ||
1780 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
1781 | { | |
1782 | CharDriverState *chr; | |
1783 | WinCharState *s; | |
1784 | ||
1785 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1786 | s = qemu_mallocz(sizeof(WinCharState)); |
6f97dba0 AL |
1787 | s->hcom = fd_out; |
1788 | chr->opaque = s; | |
1789 | chr->chr_write = win_chr_write; | |
127338e6 | 1790 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
1791 | return chr; |
1792 | } | |
1793 | ||
6e1db57b | 1794 | static int qemu_chr_open_win_con(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1795 | { |
6e1db57b | 1796 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE), chr); |
6f97dba0 AL |
1797 | } |
1798 | ||
6e1db57b | 1799 | static int qemu_chr_open_win_file_out(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 | 1800 | { |
7d31544f | 1801 | const char *file_out = qemu_opt_get(opts, "path"); |
6f97dba0 AL |
1802 | HANDLE fd_out; |
1803 | ||
1804 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
1805 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
6e1db57b KW |
1806 | if (fd_out == INVALID_HANDLE_VALUE) { |
1807 | return -EIO; | |
1808 | } | |
6f97dba0 | 1809 | |
6e1db57b | 1810 | return qemu_chr_open_win_file(fd_out, _chr); |
6f97dba0 AL |
1811 | } |
1812 | #endif /* !_WIN32 */ | |
1813 | ||
1814 | /***********************************************************/ | |
1815 | /* UDP Net console */ | |
1816 | ||
1817 | typedef struct { | |
1818 | int fd; | |
9bd7854e | 1819 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
1820 | int bufcnt; |
1821 | int bufptr; | |
1822 | int max_size; | |
1823 | } NetCharDriver; | |
1824 | ||
1825 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1826 | { | |
1827 | NetCharDriver *s = chr->opaque; | |
1828 | ||
7e1b35b4 | 1829 | return send(s->fd, (const void *)buf, len, 0); |
6f97dba0 AL |
1830 | } |
1831 | ||
1832 | static int udp_chr_read_poll(void *opaque) | |
1833 | { | |
1834 | CharDriverState *chr = opaque; | |
1835 | NetCharDriver *s = chr->opaque; | |
1836 | ||
1837 | s->max_size = qemu_chr_can_read(chr); | |
1838 | ||
1839 | /* If there were any stray characters in the queue process them | |
1840 | * first | |
1841 | */ | |
1842 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1843 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1844 | s->bufptr++; | |
1845 | s->max_size = qemu_chr_can_read(chr); | |
1846 | } | |
1847 | return s->max_size; | |
1848 | } | |
1849 | ||
1850 | static void udp_chr_read(void *opaque) | |
1851 | { | |
1852 | CharDriverState *chr = opaque; | |
1853 | NetCharDriver *s = chr->opaque; | |
1854 | ||
1855 | if (s->max_size == 0) | |
1856 | return; | |
c5b76b38 | 1857 | s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
6f97dba0 AL |
1858 | s->bufptr = s->bufcnt; |
1859 | if (s->bufcnt <= 0) | |
1860 | return; | |
1861 | ||
1862 | s->bufptr = 0; | |
1863 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
1864 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
1865 | s->bufptr++; | |
1866 | s->max_size = qemu_chr_can_read(chr); | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
1871 | { | |
1872 | NetCharDriver *s = chr->opaque; | |
1873 | ||
1874 | if (s->fd >= 0) { | |
1875 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
1876 | udp_chr_read, NULL, chr); | |
1877 | } | |
1878 | } | |
1879 | ||
819f56b7 AL |
1880 | static void udp_chr_close(CharDriverState *chr) |
1881 | { | |
1882 | NetCharDriver *s = chr->opaque; | |
1883 | if (s->fd >= 0) { | |
1884 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
1885 | closesocket(s->fd); | |
1886 | } | |
1887 | qemu_free(s); | |
793cbfb5 | 1888 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
819f56b7 AL |
1889 | } |
1890 | ||
6e1db57b | 1891 | static int qemu_chr_open_udp(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
1892 | { |
1893 | CharDriverState *chr = NULL; | |
1894 | NetCharDriver *s = NULL; | |
1895 | int fd = -1; | |
6e1db57b | 1896 | int ret; |
6f97dba0 AL |
1897 | |
1898 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 1899 | s = qemu_mallocz(sizeof(NetCharDriver)); |
6f97dba0 | 1900 | |
7e1b35b4 | 1901 | fd = inet_dgram_opts(opts); |
6f97dba0 | 1902 | if (fd < 0) { |
7e1b35b4 | 1903 | fprintf(stderr, "inet_dgram_opts failed\n"); |
6e1db57b | 1904 | ret = -errno; |
6f97dba0 AL |
1905 | goto return_err; |
1906 | } | |
1907 | ||
1908 | s->fd = fd; | |
1909 | s->bufcnt = 0; | |
1910 | s->bufptr = 0; | |
1911 | chr->opaque = s; | |
1912 | chr->chr_write = udp_chr_write; | |
1913 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
819f56b7 | 1914 | chr->chr_close = udp_chr_close; |
6e1db57b KW |
1915 | |
1916 | *_chr = chr; | |
1917 | return 0; | |
6f97dba0 AL |
1918 | |
1919 | return_err: | |
6e1db57b KW |
1920 | qemu_free(chr); |
1921 | qemu_free(s); | |
1922 | if (fd >= 0) { | |
6f97dba0 | 1923 | closesocket(fd); |
6e1db57b KW |
1924 | } |
1925 | return ret; | |
6f97dba0 AL |
1926 | } |
1927 | ||
1928 | /***********************************************************/ | |
1929 | /* TCP Net console */ | |
1930 | ||
1931 | typedef struct { | |
1932 | int fd, listen_fd; | |
1933 | int connected; | |
1934 | int max_size; | |
1935 | int do_telnetopt; | |
1936 | int do_nodelay; | |
1937 | int is_unix; | |
7d174059 | 1938 | int msgfd; |
6f97dba0 AL |
1939 | } TCPCharDriver; |
1940 | ||
1941 | static void tcp_chr_accept(void *opaque); | |
1942 | ||
1943 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1944 | { | |
1945 | TCPCharDriver *s = chr->opaque; | |
1946 | if (s->connected) { | |
1947 | return send_all(s->fd, buf, len); | |
1948 | } else { | |
1949 | /* XXX: indicate an error ? */ | |
1950 | return len; | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | static int tcp_chr_read_poll(void *opaque) | |
1955 | { | |
1956 | CharDriverState *chr = opaque; | |
1957 | TCPCharDriver *s = chr->opaque; | |
1958 | if (!s->connected) | |
1959 | return 0; | |
1960 | s->max_size = qemu_chr_can_read(chr); | |
1961 | return s->max_size; | |
1962 | } | |
1963 | ||
1964 | #define IAC 255 | |
1965 | #define IAC_BREAK 243 | |
1966 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
1967 | TCPCharDriver *s, | |
1968 | uint8_t *buf, int *size) | |
1969 | { | |
1970 | /* Handle any telnet client's basic IAC options to satisfy char by | |
1971 | * char mode with no echo. All IAC options will be removed from | |
1972 | * the buf and the do_telnetopt variable will be used to track the | |
1973 | * state of the width of the IAC information. | |
1974 | * | |
1975 | * IAC commands come in sets of 3 bytes with the exception of the | |
1976 | * "IAC BREAK" command and the double IAC. | |
1977 | */ | |
1978 | ||
1979 | int i; | |
1980 | int j = 0; | |
1981 | ||
1982 | for (i = 0; i < *size; i++) { | |
1983 | if (s->do_telnetopt > 1) { | |
1984 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
1985 | /* Double IAC means send an IAC */ | |
1986 | if (j != i) | |
1987 | buf[j] = buf[i]; | |
1988 | j++; | |
1989 | s->do_telnetopt = 1; | |
1990 | } else { | |
1991 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
1992 | /* Handle IAC break commands by sending a serial break */ | |
1993 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
1994 | s->do_telnetopt++; | |
1995 | } | |
1996 | s->do_telnetopt++; | |
1997 | } | |
1998 | if (s->do_telnetopt >= 4) { | |
1999 | s->do_telnetopt = 1; | |
2000 | } | |
2001 | } else { | |
2002 | if ((unsigned char)buf[i] == IAC) { | |
2003 | s->do_telnetopt = 2; | |
2004 | } else { | |
2005 | if (j != i) | |
2006 | buf[j] = buf[i]; | |
2007 | j++; | |
2008 | } | |
2009 | } | |
2010 | } | |
2011 | *size = j; | |
2012 | } | |
2013 | ||
7d174059 MM |
2014 | static int tcp_get_msgfd(CharDriverState *chr) |
2015 | { | |
2016 | TCPCharDriver *s = chr->opaque; | |
e53f27b9 PB |
2017 | int fd = s->msgfd; |
2018 | s->msgfd = -1; | |
2019 | return fd; | |
7d174059 MM |
2020 | } |
2021 | ||
73bcc2ac | 2022 | #ifndef _WIN32 |
7d174059 MM |
2023 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2024 | { | |
2025 | TCPCharDriver *s = chr->opaque; | |
2026 | struct cmsghdr *cmsg; | |
2027 | ||
2028 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { | |
2029 | int fd; | |
2030 | ||
2031 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || | |
2032 | cmsg->cmsg_level != SOL_SOCKET || | |
2033 | cmsg->cmsg_type != SCM_RIGHTS) | |
2034 | continue; | |
2035 | ||
2036 | fd = *((int *)CMSG_DATA(cmsg)); | |
2037 | if (fd < 0) | |
2038 | continue; | |
2039 | ||
2040 | if (s->msgfd != -1) | |
2041 | close(s->msgfd); | |
2042 | s->msgfd = fd; | |
2043 | } | |
2044 | } | |
2045 | ||
9977c894 MM |
2046 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2047 | { | |
2048 | TCPCharDriver *s = chr->opaque; | |
7cba04f6 | 2049 | struct msghdr msg = { NULL, }; |
9977c894 | 2050 | struct iovec iov[1]; |
7d174059 MM |
2051 | union { |
2052 | struct cmsghdr cmsg; | |
2053 | char control[CMSG_SPACE(sizeof(int))]; | |
2054 | } msg_control; | |
2055 | ssize_t ret; | |
9977c894 MM |
2056 | |
2057 | iov[0].iov_base = buf; | |
2058 | iov[0].iov_len = len; | |
2059 | ||
2060 | msg.msg_iov = iov; | |
2061 | msg.msg_iovlen = 1; | |
7d174059 MM |
2062 | msg.msg_control = &msg_control; |
2063 | msg.msg_controllen = sizeof(msg_control); | |
2064 | ||
2065 | ret = recvmsg(s->fd, &msg, 0); | |
2066 | if (ret > 0 && s->is_unix) | |
2067 | unix_process_msgfd(chr, &msg); | |
9977c894 | 2068 | |
7d174059 | 2069 | return ret; |
9977c894 MM |
2070 | } |
2071 | #else | |
2072 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) | |
2073 | { | |
2074 | TCPCharDriver *s = chr->opaque; | |
2075 | return recv(s->fd, buf, len, 0); | |
2076 | } | |
2077 | #endif | |
2078 | ||
6f97dba0 AL |
2079 | static void tcp_chr_read(void *opaque) |
2080 | { | |
2081 | CharDriverState *chr = opaque; | |
2082 | TCPCharDriver *s = chr->opaque; | |
9bd7854e | 2083 | uint8_t buf[READ_BUF_LEN]; |
6f97dba0 AL |
2084 | int len, size; |
2085 | ||
2086 | if (!s->connected || s->max_size <= 0) | |
2087 | return; | |
2088 | len = sizeof(buf); | |
2089 | if (len > s->max_size) | |
2090 | len = s->max_size; | |
9977c894 | 2091 | size = tcp_chr_recv(chr, (void *)buf, len); |
6f97dba0 AL |
2092 | if (size == 0) { |
2093 | /* connection closed */ | |
2094 | s->connected = 0; | |
2095 | if (s->listen_fd >= 0) { | |
2096 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2097 | } | |
2098 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2099 | closesocket(s->fd); | |
2100 | s->fd = -1; | |
793cbfb5 | 2101 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2102 | } else if (size > 0) { |
2103 | if (s->do_telnetopt) | |
2104 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2105 | if (size > 0) | |
2106 | qemu_chr_read(chr, buf, size); | |
2107 | } | |
2108 | } | |
2109 | ||
68c18d1c BS |
2110 | #ifndef _WIN32 |
2111 | CharDriverState *qemu_chr_open_eventfd(int eventfd) | |
2112 | { | |
6cbf4c8c | 2113 | return qemu_chr_open_fd(eventfd, eventfd); |
6cbf4c8c | 2114 | } |
68c18d1c | 2115 | #endif |
6cbf4c8c | 2116 | |
6f97dba0 AL |
2117 | static void tcp_chr_connect(void *opaque) |
2118 | { | |
2119 | CharDriverState *chr = opaque; | |
2120 | TCPCharDriver *s = chr->opaque; | |
2121 | ||
2122 | s->connected = 1; | |
2123 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2124 | tcp_chr_read, NULL, chr); | |
127338e6 | 2125 | qemu_chr_generic_open(chr); |
6f97dba0 AL |
2126 | } |
2127 | ||
2128 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2129 | static void tcp_chr_telnet_init(int fd) | |
2130 | { | |
2131 | char buf[3]; | |
2132 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2133 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2134 | send(fd, (char *)buf, 3, 0); | |
2135 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2136 | send(fd, (char *)buf, 3, 0); | |
2137 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2138 | send(fd, (char *)buf, 3, 0); | |
2139 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2140 | send(fd, (char *)buf, 3, 0); | |
2141 | } | |
2142 | ||
2143 | static void socket_set_nodelay(int fd) | |
2144 | { | |
2145 | int val = 1; | |
2146 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
2147 | } | |
2148 | ||
2149 | static void tcp_chr_accept(void *opaque) | |
2150 | { | |
2151 | CharDriverState *chr = opaque; | |
2152 | TCPCharDriver *s = chr->opaque; | |
2153 | struct sockaddr_in saddr; | |
2154 | #ifndef _WIN32 | |
2155 | struct sockaddr_un uaddr; | |
2156 | #endif | |
2157 | struct sockaddr *addr; | |
2158 | socklen_t len; | |
2159 | int fd; | |
2160 | ||
2161 | for(;;) { | |
2162 | #ifndef _WIN32 | |
2163 | if (s->is_unix) { | |
2164 | len = sizeof(uaddr); | |
2165 | addr = (struct sockaddr *)&uaddr; | |
2166 | } else | |
2167 | #endif | |
2168 | { | |
2169 | len = sizeof(saddr); | |
2170 | addr = (struct sockaddr *)&saddr; | |
2171 | } | |
40ff6d7e | 2172 | fd = qemu_accept(s->listen_fd, addr, &len); |
6f97dba0 AL |
2173 | if (fd < 0 && errno != EINTR) { |
2174 | return; | |
2175 | } else if (fd >= 0) { | |
2176 | if (s->do_telnetopt) | |
2177 | tcp_chr_telnet_init(fd); | |
2178 | break; | |
2179 | } | |
2180 | } | |
2181 | socket_set_nonblock(fd); | |
2182 | if (s->do_nodelay) | |
2183 | socket_set_nodelay(fd); | |
2184 | s->fd = fd; | |
2185 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
2186 | tcp_chr_connect(chr); | |
2187 | } | |
2188 | ||
2189 | static void tcp_chr_close(CharDriverState *chr) | |
2190 | { | |
2191 | TCPCharDriver *s = chr->opaque; | |
819f56b7 AL |
2192 | if (s->fd >= 0) { |
2193 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
6f97dba0 | 2194 | closesocket(s->fd); |
819f56b7 AL |
2195 | } |
2196 | if (s->listen_fd >= 0) { | |
2197 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
6f97dba0 | 2198 | closesocket(s->listen_fd); |
819f56b7 | 2199 | } |
6f97dba0 | 2200 | qemu_free(s); |
793cbfb5 | 2201 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
6f97dba0 AL |
2202 | } |
2203 | ||
6e1db57b | 2204 | static int qemu_chr_open_socket(QemuOpts *opts, CharDriverState **_chr) |
6f97dba0 AL |
2205 | { |
2206 | CharDriverState *chr = NULL; | |
2207 | TCPCharDriver *s = NULL; | |
aeb2c47a GH |
2208 | int fd = -1; |
2209 | int is_listen; | |
2210 | int is_waitconnect; | |
2211 | int do_nodelay; | |
2212 | int is_unix; | |
2213 | int is_telnet; | |
6e1db57b | 2214 | int ret; |
aeb2c47a GH |
2215 | |
2216 | is_listen = qemu_opt_get_bool(opts, "server", 0); | |
2217 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); | |
2218 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); | |
2219 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); | |
2220 | is_unix = qemu_opt_get(opts, "path") != NULL; | |
6f97dba0 AL |
2221 | if (!is_listen) |
2222 | is_waitconnect = 0; | |
2223 | ||
2224 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
6f97dba0 | 2225 | s = qemu_mallocz(sizeof(TCPCharDriver)); |
6f97dba0 | 2226 | |
f07b6003 AL |
2227 | if (is_unix) { |
2228 | if (is_listen) { | |
aeb2c47a | 2229 | fd = unix_listen_opts(opts); |
f07b6003 | 2230 | } else { |
aeb2c47a | 2231 | fd = unix_connect_opts(opts); |
f07b6003 AL |
2232 | } |
2233 | } else { | |
2234 | if (is_listen) { | |
aeb2c47a | 2235 | fd = inet_listen_opts(opts, 0); |
f07b6003 | 2236 | } else { |
aeb2c47a | 2237 | fd = inet_connect_opts(opts); |
f07b6003 AL |
2238 | } |
2239 | } | |
6e1db57b KW |
2240 | if (fd < 0) { |
2241 | ret = -errno; | |
6f97dba0 | 2242 | goto fail; |
6e1db57b | 2243 | } |
6f97dba0 AL |
2244 | |
2245 | if (!is_waitconnect) | |
2246 | socket_set_nonblock(fd); | |
2247 | ||
2248 | s->connected = 0; | |
2249 | s->fd = -1; | |
2250 | s->listen_fd = -1; | |
7d174059 | 2251 | s->msgfd = -1; |
6f97dba0 AL |
2252 | s->is_unix = is_unix; |
2253 | s->do_nodelay = do_nodelay && !is_unix; | |
2254 | ||
2255 | chr->opaque = s; | |
2256 | chr->chr_write = tcp_chr_write; | |
2257 | chr->chr_close = tcp_chr_close; | |
7d174059 | 2258 | chr->get_msgfd = tcp_get_msgfd; |
6f97dba0 AL |
2259 | |
2260 | if (is_listen) { | |
6f97dba0 AL |
2261 | s->listen_fd = fd; |
2262 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2263 | if (is_telnet) | |
2264 | s->do_telnetopt = 1; | |
aeb2c47a | 2265 | |
6f97dba0 | 2266 | } else { |
f07b6003 | 2267 | s->connected = 1; |
6f97dba0 AL |
2268 | s->fd = fd; |
2269 | socket_set_nodelay(fd); | |
f07b6003 | 2270 | tcp_chr_connect(chr); |
6f97dba0 AL |
2271 | } |
2272 | ||
aeb2c47a GH |
2273 | /* for "info chardev" monitor command */ |
2274 | chr->filename = qemu_malloc(256); | |
2275 | if (is_unix) { | |
2276 | snprintf(chr->filename, 256, "unix:%s%s", | |
2277 | qemu_opt_get(opts, "path"), | |
2278 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2279 | } else if (is_telnet) { | |
2280 | snprintf(chr->filename, 256, "telnet:%s:%s%s", | |
2281 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2282 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2283 | } else { | |
2284 | snprintf(chr->filename, 256, "tcp:%s:%s%s", | |
2285 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), | |
2286 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); | |
2287 | } | |
2288 | ||
6f97dba0 | 2289 | if (is_listen && is_waitconnect) { |
f07b6003 | 2290 | printf("QEMU waiting for connection on: %s\n", |
aeb2c47a | 2291 | chr->filename); |
6f97dba0 AL |
2292 | tcp_chr_accept(chr); |
2293 | socket_set_nonblock(s->listen_fd); | |
2294 | } | |
6e1db57b KW |
2295 | |
2296 | *_chr = chr; | |
2297 | return 0; | |
aeb2c47a | 2298 | |
6f97dba0 AL |
2299 | fail: |
2300 | if (fd >= 0) | |
2301 | closesocket(fd); | |
2302 | qemu_free(s); | |
2303 | qemu_free(chr); | |
6e1db57b | 2304 | return ret; |
6f97dba0 AL |
2305 | } |
2306 | ||
999bd67c LC |
2307 | /***********************************************************/ |
2308 | /* Memory chardev */ | |
2309 | typedef struct { | |
2310 | size_t outbuf_size; | |
2311 | size_t outbuf_capacity; | |
2312 | uint8_t *outbuf; | |
2313 | } MemoryDriver; | |
2314 | ||
2315 | static int mem_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2316 | { | |
2317 | MemoryDriver *d = chr->opaque; | |
2318 | ||
2319 | /* TODO: the QString implementation has the same code, we should | |
2320 | * introduce a generic way to do this in cutils.c */ | |
2321 | if (d->outbuf_capacity < d->outbuf_size + len) { | |
2322 | /* grow outbuf */ | |
2323 | d->outbuf_capacity += len; | |
2324 | d->outbuf_capacity *= 2; | |
2325 | d->outbuf = qemu_realloc(d->outbuf, d->outbuf_capacity); | |
2326 | } | |
2327 | ||
2328 | memcpy(d->outbuf + d->outbuf_size, buf, len); | |
2329 | d->outbuf_size += len; | |
2330 | ||
2331 | return len; | |
2332 | } | |
2333 | ||
2334 | void qemu_chr_init_mem(CharDriverState *chr) | |
2335 | { | |
2336 | MemoryDriver *d; | |
2337 | ||
2338 | d = qemu_malloc(sizeof(*d)); | |
2339 | d->outbuf_size = 0; | |
2340 | d->outbuf_capacity = 4096; | |
2341 | d->outbuf = qemu_mallocz(d->outbuf_capacity); | |
2342 | ||
2343 | memset(chr, 0, sizeof(*chr)); | |
2344 | chr->opaque = d; | |
2345 | chr->chr_write = mem_chr_write; | |
2346 | } | |
2347 | ||
2348 | QString *qemu_chr_mem_to_qs(CharDriverState *chr) | |
2349 | { | |
2350 | MemoryDriver *d = chr->opaque; | |
2351 | return qstring_from_substr((char *) d->outbuf, 0, d->outbuf_size - 1); | |
2352 | } | |
2353 | ||
2354 | /* NOTE: this driver can not be closed with qemu_chr_close()! */ | |
2355 | void qemu_chr_close_mem(CharDriverState *chr) | |
2356 | { | |
2357 | MemoryDriver *d = chr->opaque; | |
2358 | ||
2359 | qemu_free(d->outbuf); | |
2360 | qemu_free(chr->opaque); | |
2361 | chr->opaque = NULL; | |
2362 | chr->chr_write = NULL; | |
2363 | } | |
2364 | ||
2365 | size_t qemu_chr_mem_osize(const CharDriverState *chr) | |
2366 | { | |
2367 | const MemoryDriver *d = chr->opaque; | |
2368 | return d->outbuf_size; | |
2369 | } | |
2370 | ||
33521634 | 2371 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
191bc01b | 2372 | { |
6ea314d9 | 2373 | char host[65], port[33], width[8], height[8]; |
aeb2c47a | 2374 | int pos; |
7d31544f | 2375 | const char *p; |
191bc01b GH |
2376 | QemuOpts *opts; |
2377 | ||
3329f07b | 2378 | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1); |
191bc01b GH |
2379 | if (NULL == opts) |
2380 | return NULL; | |
2381 | ||
7591c5c1 GH |
2382 | if (strstart(filename, "mon:", &p)) { |
2383 | filename = p; | |
2384 | qemu_opt_set(opts, "mux", "on"); | |
2385 | } | |
2386 | ||
f0457e8d GH |
2387 | if (strcmp(filename, "null") == 0 || |
2388 | strcmp(filename, "pty") == 0 || | |
2389 | strcmp(filename, "msmouse") == 0 || | |
dc1c21e6 | 2390 | strcmp(filename, "braille") == 0 || |
f0457e8d | 2391 | strcmp(filename, "stdio") == 0) { |
4490dadf | 2392 | qemu_opt_set(opts, "backend", filename); |
191bc01b GH |
2393 | return opts; |
2394 | } | |
6ea314d9 GH |
2395 | if (strstart(filename, "vc", &p)) { |
2396 | qemu_opt_set(opts, "backend", "vc"); | |
2397 | if (*p == ':') { | |
2398 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { | |
2399 | /* pixels */ | |
2400 | qemu_opt_set(opts, "width", width); | |
2401 | qemu_opt_set(opts, "height", height); | |
2402 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { | |
2403 | /* chars */ | |
2404 | qemu_opt_set(opts, "cols", width); | |
2405 | qemu_opt_set(opts, "rows", height); | |
2406 | } else { | |
2407 | goto fail; | |
2408 | } | |
2409 | } | |
2410 | return opts; | |
2411 | } | |
d6c983cd GH |
2412 | if (strcmp(filename, "con:") == 0) { |
2413 | qemu_opt_set(opts, "backend", "console"); | |
2414 | return opts; | |
2415 | } | |
48b76496 GH |
2416 | if (strstart(filename, "COM", NULL)) { |
2417 | qemu_opt_set(opts, "backend", "serial"); | |
2418 | qemu_opt_set(opts, "path", filename); | |
2419 | return opts; | |
2420 | } | |
7d31544f GH |
2421 | if (strstart(filename, "file:", &p)) { |
2422 | qemu_opt_set(opts, "backend", "file"); | |
2423 | qemu_opt_set(opts, "path", p); | |
2424 | return opts; | |
2425 | } | |
2426 | if (strstart(filename, "pipe:", &p)) { | |
2427 | qemu_opt_set(opts, "backend", "pipe"); | |
2428 | qemu_opt_set(opts, "path", p); | |
2429 | return opts; | |
2430 | } | |
aeb2c47a GH |
2431 | if (strstart(filename, "tcp:", &p) || |
2432 | strstart(filename, "telnet:", &p)) { | |
2433 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2434 | host[0] = 0; | |
2435 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) | |
2436 | goto fail; | |
2437 | } | |
2438 | qemu_opt_set(opts, "backend", "socket"); | |
2439 | qemu_opt_set(opts, "host", host); | |
2440 | qemu_opt_set(opts, "port", port); | |
2441 | if (p[pos] == ',') { | |
2442 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) | |
2443 | goto fail; | |
2444 | } | |
2445 | if (strstart(filename, "telnet:", &p)) | |
2446 | qemu_opt_set(opts, "telnet", "on"); | |
2447 | return opts; | |
2448 | } | |
7e1b35b4 GH |
2449 | if (strstart(filename, "udp:", &p)) { |
2450 | qemu_opt_set(opts, "backend", "udp"); | |
2451 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { | |
2452 | host[0] = 0; | |
39324ca4 | 2453 | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
7e1b35b4 GH |
2454 | goto fail; |
2455 | } | |
2456 | } | |
2457 | qemu_opt_set(opts, "host", host); | |
2458 | qemu_opt_set(opts, "port", port); | |
2459 | if (p[pos] == '@') { | |
2460 | p += pos + 1; | |
2461 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { | |
2462 | host[0] = 0; | |
2463 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { | |
7e1b35b4 GH |
2464 | goto fail; |
2465 | } | |
2466 | } | |
2467 | qemu_opt_set(opts, "localaddr", host); | |
2468 | qemu_opt_set(opts, "localport", port); | |
2469 | } | |
2470 | return opts; | |
2471 | } | |
aeb2c47a GH |
2472 | if (strstart(filename, "unix:", &p)) { |
2473 | qemu_opt_set(opts, "backend", "socket"); | |
2474 | if (qemu_opts_do_parse(opts, p, "path") != 0) | |
2475 | goto fail; | |
2476 | return opts; | |
2477 | } | |
48b76496 GH |
2478 | if (strstart(filename, "/dev/parport", NULL) || |
2479 | strstart(filename, "/dev/ppi", NULL)) { | |
2480 | qemu_opt_set(opts, "backend", "parport"); | |
2481 | qemu_opt_set(opts, "path", filename); | |
2482 | return opts; | |
2483 | } | |
2484 | if (strstart(filename, "/dev/", NULL)) { | |
2485 | qemu_opt_set(opts, "backend", "tty"); | |
2486 | qemu_opt_set(opts, "path", filename); | |
2487 | return opts; | |
2488 | } | |
191bc01b | 2489 | |
aeb2c47a | 2490 | fail: |
191bc01b GH |
2491 | qemu_opts_del(opts); |
2492 | return NULL; | |
2493 | } | |
2494 | ||
2495 | static const struct { | |
2496 | const char *name; | |
6e1db57b | 2497 | int (*open)(QemuOpts *opts, CharDriverState **chr); |
191bc01b GH |
2498 | } backend_table[] = { |
2499 | { .name = "null", .open = qemu_chr_open_null }, | |
aeb2c47a | 2500 | { .name = "socket", .open = qemu_chr_open_socket }, |
7e1b35b4 | 2501 | { .name = "udp", .open = qemu_chr_open_udp }, |
f0457e8d | 2502 | { .name = "msmouse", .open = qemu_chr_open_msmouse }, |
6ea314d9 | 2503 | { .name = "vc", .open = text_console_init }, |
7d31544f GH |
2504 | #ifdef _WIN32 |
2505 | { .name = "file", .open = qemu_chr_open_win_file_out }, | |
2506 | { .name = "pipe", .open = qemu_chr_open_win_pipe }, | |
d6c983cd | 2507 | { .name = "console", .open = qemu_chr_open_win_con }, |
48b76496 | 2508 | { .name = "serial", .open = qemu_chr_open_win }, |
7d31544f GH |
2509 | #else |
2510 | { .name = "file", .open = qemu_chr_open_file_out }, | |
2511 | { .name = "pipe", .open = qemu_chr_open_pipe }, | |
4490dadf | 2512 | { .name = "pty", .open = qemu_chr_open_pty }, |
3c17affb | 2513 | { .name = "stdio", .open = qemu_chr_open_stdio }, |
7d31544f | 2514 | #endif |
dc1c21e6 GH |
2515 | #ifdef CONFIG_BRLAPI |
2516 | { .name = "braille", .open = chr_baum_init }, | |
2517 | #endif | |
48b76496 | 2518 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
a167ba50 AJ |
2519 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
2520 | || defined(__FreeBSD_kernel__) | |
48b76496 GH |
2521 | { .name = "tty", .open = qemu_chr_open_tty }, |
2522 | #endif | |
a167ba50 AJ |
2523 | #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) \ |
2524 | || defined(__FreeBSD_kernel__) | |
48b76496 GH |
2525 | { .name = "parport", .open = qemu_chr_open_pp }, |
2526 | #endif | |
cbcc6336 AL |
2527 | #ifdef CONFIG_SPICE |
2528 | { .name = "spicevmc", .open = qemu_chr_open_spice }, | |
2529 | #endif | |
191bc01b GH |
2530 | }; |
2531 | ||
2532 | CharDriverState *qemu_chr_open_opts(QemuOpts *opts, | |
2533 | void (*init)(struct CharDriverState *s)) | |
2534 | { | |
2535 | CharDriverState *chr; | |
2536 | int i; | |
6e1db57b | 2537 | int ret; |
191bc01b GH |
2538 | |
2539 | if (qemu_opts_id(opts) == NULL) { | |
2540 | fprintf(stderr, "chardev: no id specified\n"); | |
2541 | return NULL; | |
2542 | } | |
2543 | ||
1bbd185f SH |
2544 | if (qemu_opt_get(opts, "backend") == NULL) { |
2545 | fprintf(stderr, "chardev: \"%s\" missing backend\n", | |
2546 | qemu_opts_id(opts)); | |
2547 | return NULL; | |
2548 | } | |
191bc01b GH |
2549 | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
2550 | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) | |
2551 | break; | |
2552 | } | |
2553 | if (i == ARRAY_SIZE(backend_table)) { | |
2554 | fprintf(stderr, "chardev: backend \"%s\" not found\n", | |
2555 | qemu_opt_get(opts, "backend")); | |
2556 | return NULL; | |
2557 | } | |
2558 | ||
6e1db57b KW |
2559 | ret = backend_table[i].open(opts, &chr); |
2560 | if (ret < 0) { | |
2561 | fprintf(stderr, "chardev: opening backend \"%s\" failed: %s\n", | |
2562 | qemu_opt_get(opts, "backend"), strerror(-ret)); | |
191bc01b GH |
2563 | return NULL; |
2564 | } | |
2565 | ||
2566 | if (!chr->filename) | |
2567 | chr->filename = qemu_strdup(qemu_opt_get(opts, "backend")); | |
2568 | chr->init = init; | |
72cf2d4f | 2569 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
7591c5c1 GH |
2570 | |
2571 | if (qemu_opt_get_bool(opts, "mux", 0)) { | |
2572 | CharDriverState *base = chr; | |
2573 | int len = strlen(qemu_opts_id(opts)) + 6; | |
2574 | base->label = qemu_malloc(len); | |
2575 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); | |
2576 | chr = qemu_chr_open_mux(base); | |
2577 | chr->filename = base->filename; | |
d5b27167 | 2578 | chr->avail_connections = MAX_MUX; |
72cf2d4f | 2579 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
d5b27167 KK |
2580 | } else { |
2581 | chr->avail_connections = 1; | |
7591c5c1 GH |
2582 | } |
2583 | chr->label = qemu_strdup(qemu_opts_id(opts)); | |
191bc01b GH |
2584 | return chr; |
2585 | } | |
2586 | ||
ceecf1d1 | 2587 | CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
6f97dba0 AL |
2588 | { |
2589 | const char *p; | |
2590 | CharDriverState *chr; | |
191bc01b GH |
2591 | QemuOpts *opts; |
2592 | ||
c845f401 GH |
2593 | if (strstart(filename, "chardev:", &p)) { |
2594 | return qemu_chr_find(p); | |
2595 | } | |
2596 | ||
191bc01b | 2597 | opts = qemu_chr_parse_compat(label, filename); |
7e1b35b4 GH |
2598 | if (!opts) |
2599 | return NULL; | |
6f97dba0 | 2600 | |
7e1b35b4 GH |
2601 | chr = qemu_chr_open_opts(opts, init); |
2602 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { | |
2603 | monitor_init(chr, MONITOR_USE_READLINE); | |
6f97dba0 | 2604 | } |
363f8cb9 | 2605 | qemu_opts_del(opts); |
6f97dba0 AL |
2606 | return chr; |
2607 | } | |
2608 | ||
c48855e1 PB |
2609 | void qemu_chr_set_echo(struct CharDriverState *chr, bool echo) |
2610 | { | |
2611 | if (chr->chr_set_echo) { | |
2612 | chr->chr_set_echo(chr, echo); | |
2613 | } | |
2614 | } | |
2615 | ||
7c32c4fe HG |
2616 | void qemu_chr_guest_open(struct CharDriverState *chr) |
2617 | { | |
2618 | if (chr->chr_guest_open) { | |
2619 | chr->chr_guest_open(chr); | |
2620 | } | |
2621 | } | |
2622 | ||
2623 | void qemu_chr_guest_close(struct CharDriverState *chr) | |
2624 | { | |
2625 | if (chr->chr_guest_close) { | |
2626 | chr->chr_guest_close(chr); | |
2627 | } | |
2628 | } | |
2629 | ||
6f97dba0 AL |
2630 | void qemu_chr_close(CharDriverState *chr) |
2631 | { | |
72cf2d4f | 2632 | QTAILQ_REMOVE(&chardevs, chr, next); |
6f97dba0 AL |
2633 | if (chr->chr_close) |
2634 | chr->chr_close(chr); | |
2635 | qemu_free(chr->filename); | |
2636 | qemu_free(chr->label); | |
2637 | qemu_free(chr); | |
2638 | } | |
2639 | ||
588b3832 | 2640 | static void qemu_chr_qlist_iter(QObject *obj, void *opaque) |
6f97dba0 | 2641 | { |
588b3832 LC |
2642 | QDict *chr_dict; |
2643 | Monitor *mon = opaque; | |
2644 | ||
2645 | chr_dict = qobject_to_qdict(obj); | |
2646 | monitor_printf(mon, "%s: filename=%s\n", qdict_get_str(chr_dict, "label"), | |
2647 | qdict_get_str(chr_dict, "filename")); | |
2648 | } | |
2649 | ||
2650 | void qemu_chr_info_print(Monitor *mon, const QObject *ret_data) | |
2651 | { | |
2652 | qlist_iter(qobject_to_qlist(ret_data), qemu_chr_qlist_iter, mon); | |
2653 | } | |
2654 | ||
588b3832 LC |
2655 | void qemu_chr_info(Monitor *mon, QObject **ret_data) |
2656 | { | |
2657 | QList *chr_list; | |
6f97dba0 AL |
2658 | CharDriverState *chr; |
2659 | ||
588b3832 LC |
2660 | chr_list = qlist_new(); |
2661 | ||
72cf2d4f | 2662 | QTAILQ_FOREACH(chr, &chardevs, next) { |
588b3832 LC |
2663 | QObject *obj = qobject_from_jsonf("{ 'label': %s, 'filename': %s }", |
2664 | chr->label, chr->filename); | |
2665 | qlist_append_obj(chr_list, obj); | |
6f97dba0 | 2666 | } |
588b3832 LC |
2667 | |
2668 | *ret_data = QOBJECT(chr_list); | |
6f97dba0 | 2669 | } |
c845f401 GH |
2670 | |
2671 | CharDriverState *qemu_chr_find(const char *name) | |
2672 | { | |
2673 | CharDriverState *chr; | |
2674 | ||
72cf2d4f | 2675 | QTAILQ_FOREACH(chr, &chardevs, next) { |
c845f401 GH |
2676 | if (strcmp(chr->label, name) != 0) |
2677 | continue; | |
2678 | return chr; | |
2679 | } | |
2680 | return NULL; | |
2681 | } |