1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
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" |
|
26 |
#include "monitor.h" |
|
27 |
#include "console.h" |
|
28 |
#include "sysemu.h" |
|
29 |
#include "qemu-timer.h" |
|
30 |
#include "qemu-char.h" |
|
31 |
#include "block.h" |
|
32 |
#include "hw/usb.h" |
|
33 |
#include "hw/baum.h" |
|
34 |
#include "hw/msmouse.h" |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
35 |
#include "qemu-objects.h" |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
36 |
|
37 |
#include <unistd.h> |
|
38 |
#include <fcntl.h> |
|
39 |
#include <signal.h> |
|
40 |
#include <time.h> |
|
41 |
#include <errno.h> |
|
42 |
#include <sys/time.h> |
|
43 |
#include <zlib.h> |
|
44 |
||
45 |
#ifndef _WIN32
|
|
46 |
#include <sys/times.h> |
|
47 |
#include <sys/wait.h> |
|
48 |
#include <termios.h> |
|
49 |
#include <sys/mman.h> |
|
50 |
#include <sys/ioctl.h> |
|
51 |
#include <sys/resource.h> |
|
52 |
#include <sys/socket.h> |
|
53 |
#include <netinet/in.h> |
|
54 |
#include <net/if.h> |
|
55 |
#include <arpa/inet.h> |
|
56 |
#include <dirent.h> |
|
57 |
#include <netdb.h> |
|
58 |
#include <sys/select.h> |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
59 |
#ifdef CONFIG_BSD
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
60 |
#include <sys/stat.h> |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
61 |
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
62 |
#include <libutil.h> |
63 |
#include <dev/ppbus/ppi.h> |
|
64 |
#include <dev/ppbus/ppbconf.h> |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
65 |
#if defined(__GLIBC__)
|
66 |
#include <pty.h> |
|
67 |
#endif
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
68 |
#elif defined(__DragonFly__)
|
69 |
#include <libutil.h> |
|
70 |
#include <dev/misc/ppi/ppi.h> |
|
71 |
#include <bus/ppbus/ppbconf.h> |
|
72 |
#else
|
|
73 |
#include <util.h> |
|
74 |
#endif
|
|
75 |
#else
|
|
76 |
#ifdef __linux__
|
|
77 |
#include <pty.h> |
|
78 |
||
79 |
#include <linux/ppdev.h> |
|
80 |
#include <linux/parport.h> |
|
81 |
#endif
|
|
82 |
#ifdef __sun__
|
|
83 |
#include <sys/stat.h> |
|
84 |
#include <sys/ethernet.h> |
|
85 |
#include <sys/sockio.h> |
|
86 |
#include <netinet/arp.h> |
|
87 |
#include <netinet/in.h> |
|
88 |
#include <netinet/in_systm.h> |
|
89 |
#include <netinet/ip.h> |
|
90 |
#include <netinet/ip_icmp.h> // must come after ip.h |
|
91 |
#include <netinet/udp.h> |
|
92 |
#include <netinet/tcp.h> |
|
93 |
#include <net/if.h> |
|
94 |
#include <syslog.h> |
|
95 |
#include <stropts.h> |
|
96 |
#endif
|
|
97 |
#endif
|
|
98 |
#endif
|
|
99 |
||
100 |
#include "qemu_socket.h" |
|
101 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
102 |
#define READ_BUF_LEN 4096
|
103 |
||
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
104 |
/***********************************************************/
|
105 |
/* character device */
|
|
106 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
107 |
static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
108 |
QTAILQ_HEAD_INITIALIZER(chardevs); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
109 |
|
110 |
static void qemu_chr_event(CharDriverState *s, int event) |
|
111 |
{
|
|
112 |
if (!s->chr_event) |
|
113 |
return; |
|
114 |
s->chr_event(s->handler_opaque, event); |
|
115 |
}
|
|
116 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
117 |
static void qemu_chr_generic_open_bh(void *opaque) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
118 |
{
|
119 |
CharDriverState *s = opaque; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
120 |
qemu_chr_event(s, CHR_EVENT_OPENED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
121 |
qemu_bh_delete(s->bh); |
122 |
s->bh = NULL; |
|
123 |
}
|
|
124 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
125 |
void qemu_chr_generic_open(CharDriverState *s) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
126 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
127 |
if (s->bh == NULL) { |
128 |
s->bh = qemu_bh_new(qemu_chr_generic_open_bh, s); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
129 |
qemu_bh_schedule(s->bh); |
130 |
}
|
|
131 |
}
|
|
132 |
||
133 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
|
134 |
{
|
|
135 |
return s->chr_write(s, buf, len); |
|
136 |
}
|
|
137 |
||
138 |
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) |
|
139 |
{
|
|
140 |
if (!s->chr_ioctl) |
|
141 |
return -ENOTSUP; |
|
142 |
return s->chr_ioctl(s, cmd, arg); |
|
143 |
}
|
|
144 |
||
145 |
int qemu_chr_can_read(CharDriverState *s) |
|
146 |
{
|
|
147 |
if (!s->chr_can_read) |
|
148 |
return 0; |
|
149 |
return s->chr_can_read(s->handler_opaque); |
|
150 |
}
|
|
151 |
||
152 |
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) |
|
153 |
{
|
|
154 |
s->chr_read(s->handler_opaque, buf, len); |
|
155 |
}
|
|
156 |
||
157 |
int qemu_chr_get_msgfd(CharDriverState *s) |
|
158 |
{
|
|
159 |
return s->get_msgfd ? s->get_msgfd(s) : -1; |
|
160 |
}
|
|
161 |
||
162 |
void qemu_chr_accept_input(CharDriverState *s) |
|
163 |
{
|
|
164 |
if (s->chr_accept_input) |
|
165 |
s->chr_accept_input(s); |
|
166 |
}
|
|
167 |
||
168 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
|
169 |
{
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
170 |
char buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
171 |
va_list ap; |
172 |
va_start(ap, fmt); |
|
173 |
vsnprintf(buf, sizeof(buf), fmt, ap); |
|
174 |
qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); |
|
175 |
va_end(ap); |
|
176 |
}
|
|
177 |
||
178 |
void qemu_chr_send_event(CharDriverState *s, int event) |
|
179 |
{
|
|
180 |
if (s->chr_send_event) |
|
181 |
s->chr_send_event(s, event); |
|
182 |
}
|
|
183 |
||
184 |
void qemu_chr_add_handlers(CharDriverState *s, |
|
185 |
IOCanRWHandler *fd_can_read, |
|
186 |
IOReadHandler *fd_read, |
|
187 |
IOEventHandler *fd_event, |
|
188 |
void *opaque) |
|
189 |
{
|
|
190 |
s->chr_can_read = fd_can_read; |
|
191 |
s->chr_read = fd_read; |
|
192 |
s->chr_event = fd_event; |
|
193 |
s->handler_opaque = opaque; |
|
194 |
if (s->chr_update_read_handler) |
|
195 |
s->chr_update_read_handler(s); |
|
196 |
}
|
|
197 |
||
198 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
199 |
{
|
|
200 |
return len; |
|
201 |
}
|
|
202 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
203 |
static CharDriverState *qemu_chr_open_null(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
204 |
{
|
205 |
CharDriverState *chr; |
|
206 |
||
207 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
208 |
chr->chr_write = null_chr_write; |
|
209 |
return chr; |
|
210 |
}
|
|
211 |
||
212 |
/* MUX driver for serial I/O splitting */
|
|
213 |
#define MAX_MUX 4
|
|
214 |
#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
|
215 |
#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
|
|
216 |
typedef struct { |
|
217 |
IOCanRWHandler *chr_can_read[MAX_MUX]; |
|
218 |
IOReadHandler *chr_read[MAX_MUX]; |
|
219 |
IOEventHandler *chr_event[MAX_MUX]; |
|
220 |
void *ext_opaque[MAX_MUX]; |
|
221 |
CharDriverState *drv; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
222 |
int focus; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
223 |
int mux_cnt; |
224 |
int term_got_escape; |
|
225 |
int max_size; |
|
226 |
/* Intermediate input buffer allows to catch escape sequences even if the
|
|
227 |
currently active device is not accepting any input - but only until it
|
|
228 |
is full as well. */
|
|
229 |
unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; |
|
230 |
int prod[MAX_MUX]; |
|
231 |
int cons[MAX_MUX]; |
|
232 |
int timestamps; |
|
233 |
int linestart; |
|
234 |
int64_t timestamps_start; |
|
235 |
} MuxDriver; |
|
236 |
||
237 |
||
238 |
static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
239 |
{
|
|
240 |
MuxDriver *d = chr->opaque; |
|
241 |
int ret; |
|
242 |
if (!d->timestamps) { |
|
243 |
ret = d->drv->chr_write(d->drv, buf, len); |
|
244 |
} else { |
|
245 |
int i; |
|
246 |
||
247 |
ret = 0; |
|
248 |
for (i = 0; i < len; i++) { |
|
249 |
if (d->linestart) { |
|
250 |
char buf1[64]; |
|
251 |
int64_t ti; |
|
252 |
int secs; |
|
253 |
||
254 |
ti = qemu_get_clock(rt_clock); |
|
255 |
if (d->timestamps_start == -1) |
|
256 |
d->timestamps_start = ti; |
|
257 |
ti -= d->timestamps_start; |
|
258 |
secs = ti / 1000; |
|
259 |
snprintf(buf1, sizeof(buf1), |
|
260 |
"[%02d:%02d:%02d.%03d] ", |
|
261 |
secs / 3600, |
|
262 |
(secs / 60) % 60, |
|
263 |
secs % 60, |
|
264 |
(int)(ti % 1000)); |
|
265 |
d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
|
266 |
d->linestart = 0; |
|
267 |
}
|
|
268 |
ret += d->drv->chr_write(d->drv, buf+i, 1); |
|
269 |
if (buf[i] == '\n') { |
|
270 |
d->linestart = 1; |
|
271 |
}
|
|
272 |
}
|
|
273 |
}
|
|
274 |
return ret; |
|
275 |
}
|
|
276 |
||
277 |
static const char * const mux_help[] = { |
|
278 |
"% h print this help\n\r", |
|
279 |
"% x exit emulator\n\r", |
|
280 |
"% s save disk data back to file (if -snapshot)\n\r", |
|
281 |
"% t toggle console timestamps\n\r" |
|
282 |
"% b send break (magic sysrq)\n\r", |
|
283 |
"% c switch between console and monitor\n\r", |
|
284 |
"% % sends %\n\r", |
|
285 |
NULL
|
|
286 |
};
|
|
287 |
||
288 |
int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
|
289 |
static void mux_print_help(CharDriverState *chr) |
|
290 |
{
|
|
291 |
int i, j; |
|
292 |
char ebuf[15] = "Escape-Char"; |
|
293 |
char cbuf[50] = "\n\r"; |
|
294 |
||
295 |
if (term_escape_char > 0 && term_escape_char < 26) { |
|
296 |
snprintf(cbuf, sizeof(cbuf), "\n\r"); |
|
297 |
snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); |
|
298 |
} else { |
|
299 |
snprintf(cbuf, sizeof(cbuf), |
|
300 |
"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", |
|
301 |
term_escape_char); |
|
302 |
}
|
|
303 |
chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
|
304 |
for (i = 0; mux_help[i] != NULL; i++) { |
|
305 |
for (j=0; mux_help[i][j] != '\0'; j++) { |
|
306 |
if (mux_help[i][j] == '%') |
|
307 |
chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
|
308 |
else
|
|
309 |
chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); |
|
310 |
}
|
|
311 |
}
|
|
312 |
}
|
|
313 |
||
314 |
static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
|
315 |
{
|
|
316 |
if (d->chr_event[mux_nr]) |
|
317 |
d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); |
|
318 |
}
|
|
319 |
||
320 |
static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
|
321 |
{
|
|
322 |
if (d->term_got_escape) { |
|
323 |
d->term_got_escape = 0; |
|
324 |
if (ch == term_escape_char) |
|
325 |
goto send_char; |
|
326 |
switch(ch) { |
|
327 |
case '?': |
|
328 |
case 'h': |
|
329 |
mux_print_help(chr); |
|
330 |
break; |
|
331 |
case 'x': |
|
332 |
{
|
|
333 |
const char *term = "QEMU: Terminated\n\r"; |
|
334 |
chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
|
335 |
exit(0); |
|
336 |
break; |
|
337 |
}
|
|
338 |
case 's': |
|
339 |
{
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
340 |
DriveInfo *dinfo; |
341 |
QTAILQ_FOREACH(dinfo, &drives, next) { |
|
342 |
bdrv_commit(dinfo->bdrv); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
343 |
}
|
344 |
}
|
|
345 |
break; |
|
346 |
case 'b': |
|
347 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
|
348 |
break; |
|
349 |
case 'c': |
|
350 |
/* Switch to the next registered device */
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
351 |
mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
352 |
d->focus++; |
|
353 |
if (d->focus >= d->mux_cnt) |
|
354 |
d->focus = 0; |
|
355 |
mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
356 |
break; |
357 |
case 't': |
|
358 |
d->timestamps = !d->timestamps; |
|
359 |
d->timestamps_start = -1; |
|
360 |
d->linestart = 0; |
|
361 |
break; |
|
362 |
}
|
|
363 |
} else if (ch == term_escape_char) { |
|
364 |
d->term_got_escape = 1; |
|
365 |
} else { |
|
366 |
send_char: |
|
367 |
return 1; |
|
368 |
}
|
|
369 |
return 0; |
|
370 |
}
|
|
371 |
||
372 |
static void mux_chr_accept_input(CharDriverState *chr) |
|
373 |
{
|
|
374 |
MuxDriver *d = chr->opaque; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
375 |
int m = d->focus; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
376 |
|
377 |
while (d->prod[m] != d->cons[m] && |
|
378 |
d->chr_can_read[m] && |
|
379 |
d->chr_can_read[m](d->ext_opaque[m])) { |
|
380 |
d->chr_read[m](d->ext_opaque[m], |
|
381 |
&d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
|
382 |
}
|
|
383 |
}
|
|
384 |
||
385 |
static int mux_chr_can_read(void *opaque) |
|
386 |
{
|
|
387 |
CharDriverState *chr = opaque; |
|
388 |
MuxDriver *d = chr->opaque; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
389 |
int m = d->focus; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
390 |
|
391 |
if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
|
392 |
return 1; |
|
393 |
if (d->chr_can_read[m]) |
|
394 |
return d->chr_can_read[m](d->ext_opaque[m]); |
|
395 |
return 0; |
|
396 |
}
|
|
397 |
||
398 |
static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
|
399 |
{
|
|
400 |
CharDriverState *chr = opaque; |
|
401 |
MuxDriver *d = chr->opaque; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
402 |
int m = d->focus; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
403 |
int i; |
404 |
||
405 |
mux_chr_accept_input (opaque); |
|
406 |
||
407 |
for(i = 0; i < size; i++) |
|
408 |
if (mux_proc_byte(chr, d, buf[i])) { |
|
409 |
if (d->prod[m] == d->cons[m] && |
|
410 |
d->chr_can_read[m] && |
|
411 |
d->chr_can_read[m](d->ext_opaque[m])) |
|
412 |
d->chr_read[m](d->ext_opaque[m], &buf[i], 1); |
|
413 |
else
|
|
414 |
d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
|
415 |
}
|
|
416 |
}
|
|
417 |
||
418 |
static void mux_chr_event(void *opaque, int event) |
|
419 |
{
|
|
420 |
CharDriverState *chr = opaque; |
|
421 |
MuxDriver *d = chr->opaque; |
|
422 |
int i; |
|
423 |
||
424 |
/* Send the event to all registered listeners */
|
|
425 |
for (i = 0; i < d->mux_cnt; i++) |
|
426 |
mux_chr_send_event(d, i, event); |
|
427 |
}
|
|
428 |
||
429 |
static void mux_chr_update_read_handler(CharDriverState *chr) |
|
430 |
{
|
|
431 |
MuxDriver *d = chr->opaque; |
|
432 |
||
433 |
if (d->mux_cnt >= MAX_MUX) { |
|
434 |
fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); |
|
435 |
return; |
|
436 |
}
|
|
437 |
d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
|
438 |
d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
|
439 |
d->chr_read[d->mux_cnt] = chr->chr_read; |
|
440 |
d->chr_event[d->mux_cnt] = chr->chr_event; |
|
441 |
/* Fix up the real driver with mux routines */
|
|
442 |
if (d->mux_cnt == 0) { |
|
443 |
qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
|
444 |
mux_chr_event, chr); |
|
445 |
}
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
446 |
if (d->focus != -1) { |
447 |
mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
|
448 |
}
|
|
449 |
d->focus = d->mux_cnt; |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
450 |
d->mux_cnt++; |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
451 |
mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
452 |
}
|
453 |
||
454 |
static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) |
|
455 |
{
|
|
456 |
CharDriverState *chr; |
|
457 |
MuxDriver *d; |
|
458 |
||
459 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
460 |
d = qemu_mallocz(sizeof(MuxDriver)); |
|
461 |
||
462 |
chr->opaque = d; |
|
463 |
d->drv = drv; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
464 |
d->focus = -1; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
465 |
chr->chr_write = mux_chr_write; |
466 |
chr->chr_update_read_handler = mux_chr_update_read_handler; |
|
467 |
chr->chr_accept_input = mux_chr_accept_input; |
|
468 |
return chr; |
|
469 |
}
|
|
470 |
||
471 |
||
472 |
#ifdef _WIN32
|
|
473 |
int send_all(int fd, const void *buf, int len1) |
|
474 |
{
|
|
475 |
int ret, len; |
|
476 |
||
477 |
len = len1; |
|
478 |
while (len > 0) { |
|
479 |
ret = send(fd, buf, len, 0); |
|
480 |
if (ret < 0) { |
|
481 |
errno = WSAGetLastError(); |
|
482 |
if (errno != WSAEWOULDBLOCK) { |
|
483 |
return -1; |
|
484 |
}
|
|
485 |
} else if (ret == 0) { |
|
486 |
break; |
|
487 |
} else { |
|
488 |
buf += ret; |
|
489 |
len -= ret; |
|
490 |
}
|
|
491 |
}
|
|
492 |
return len1 - len; |
|
493 |
}
|
|
494 |
||
495 |
#else
|
|
496 |
||
497 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
|
498 |
{
|
|
499 |
int ret, len; |
|
500 |
||
501 |
len = len1; |
|
502 |
while (len > 0) { |
|
503 |
ret = write(fd, buf, len); |
|
504 |
if (ret < 0) { |
|
505 |
if (errno != EINTR && errno != EAGAIN) |
|
506 |
return -1; |
|
507 |
} else if (ret == 0) { |
|
508 |
break; |
|
509 |
} else { |
|
510 |
buf += ret; |
|
511 |
len -= ret; |
|
512 |
}
|
|
513 |
}
|
|
514 |
return len1 - len; |
|
515 |
}
|
|
516 |
||
517 |
int send_all(int fd, const void *buf, int len1) |
|
518 |
{
|
|
519 |
return unix_write(fd, buf, len1); |
|
520 |
}
|
|
521 |
#endif /* !_WIN32 */ |
|
522 |
||
523 |
#ifndef _WIN32
|
|
524 |
||
525 |
typedef struct { |
|
526 |
int fd_in, fd_out; |
|
527 |
int max_size; |
|
528 |
} FDCharDriver; |
|
529 |
||
530 |
#define STDIO_MAX_CLIENTS 1
|
|
531 |
static int stdio_nb_clients = 0; |
|
532 |
||
533 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
534 |
{
|
|
535 |
FDCharDriver *s = chr->opaque; |
|
536 |
return send_all(s->fd_out, buf, len); |
|
537 |
}
|
|
538 |
||
539 |
static int fd_chr_read_poll(void *opaque) |
|
540 |
{
|
|
541 |
CharDriverState *chr = opaque; |
|
542 |
FDCharDriver *s = chr->opaque; |
|
543 |
||
544 |
s->max_size = qemu_chr_can_read(chr); |
|
545 |
return s->max_size; |
|
546 |
}
|
|
547 |
||
548 |
static void fd_chr_read(void *opaque) |
|
549 |
{
|
|
550 |
CharDriverState *chr = opaque; |
|
551 |
FDCharDriver *s = chr->opaque; |
|
552 |
int size, len; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
553 |
uint8_t buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
554 |
|
555 |
len = sizeof(buf); |
|
556 |
if (len > s->max_size) |
|
557 |
len = s->max_size; |
|
558 |
if (len == 0) |
|
559 |
return; |
|
560 |
size = read(s->fd_in, buf, len); |
|
561 |
if (size == 0) { |
|
562 |
/* FD has been closed. Remove it from the active list. */
|
|
563 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
564 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
565 |
return; |
566 |
}
|
|
567 |
if (size > 0) { |
|
568 |
qemu_chr_read(chr, buf, size); |
|
569 |
}
|
|
570 |
}
|
|
571 |
||
572 |
static void fd_chr_update_read_handler(CharDriverState *chr) |
|
573 |
{
|
|
574 |
FDCharDriver *s = chr->opaque; |
|
575 |
||
576 |
if (s->fd_in >= 0) { |
|
577 |
if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
|
578 |
} else { |
|
579 |
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
|
580 |
fd_chr_read, NULL, chr); |
|
581 |
}
|
|
582 |
}
|
|
583 |
}
|
|
584 |
||
585 |
static void fd_chr_close(struct CharDriverState *chr) |
|
586 |
{
|
|
587 |
FDCharDriver *s = chr->opaque; |
|
588 |
||
589 |
if (s->fd_in >= 0) { |
|
590 |
if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
|
591 |
} else { |
|
592 |
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
|
593 |
}
|
|
594 |
}
|
|
595 |
||
596 |
qemu_free(s); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
597 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
598 |
}
|
599 |
||
600 |
/* open a character device to a unix fd */
|
|
601 |
static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
|
602 |
{
|
|
603 |
CharDriverState *chr; |
|
604 |
FDCharDriver *s; |
|
605 |
||
606 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
607 |
s = qemu_mallocz(sizeof(FDCharDriver)); |
|
608 |
s->fd_in = fd_in; |
|
609 |
s->fd_out = fd_out; |
|
610 |
chr->opaque = s; |
|
611 |
chr->chr_write = fd_chr_write; |
|
612 |
chr->chr_update_read_handler = fd_chr_update_read_handler; |
|
613 |
chr->chr_close = fd_chr_close; |
|
614 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
615 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
616 |
|
617 |
return chr; |
|
618 |
}
|
|
619 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
620 |
static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
621 |
{
|
622 |
int fd_out; |
|
623 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
624 |
TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"), |
625 |
O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
626 |
if (fd_out < 0) |
627 |
return NULL; |
|
628 |
return qemu_chr_open_fd(-1, fd_out); |
|
629 |
}
|
|
630 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
631 |
static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
632 |
{
|
633 |
int fd_in, fd_out; |
|
634 |
char filename_in[256], filename_out[256]; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
635 |
const char *filename = qemu_opt_get(opts, "path"); |
636 |
||
637 |
if (filename == NULL) { |
|
638 |
fprintf(stderr, "chardev: pipe: no filename given\n"); |
|
639 |
return NULL; |
|
640 |
}
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
641 |
|
642 |
snprintf(filename_in, 256, "%s.in", filename); |
|
643 |
snprintf(filename_out, 256, "%s.out", filename); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
644 |
TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
645 |
TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
646 |
if (fd_in < 0 || fd_out < 0) { |
647 |
if (fd_in >= 0) |
|
648 |
close(fd_in); |
|
649 |
if (fd_out >= 0) |
|
650 |
close(fd_out); |
|
651 |
TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
|
652 |
if (fd_in < 0) |
|
653 |
return NULL; |
|
654 |
}
|
|
655 |
return qemu_chr_open_fd(fd_in, fd_out); |
|
656 |
}
|
|
657 |
||
658 |
||
659 |
/* for STDIO, we handle the case where several clients use it
|
|
660 |
(nographic mode) */
|
|
661 |
||
662 |
#define TERM_FIFO_MAX_SIZE 1
|
|
663 |
||
664 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; |
|
665 |
static int term_fifo_size; |
|
666 |
||
667 |
static int stdio_read_poll(void *opaque) |
|
668 |
{
|
|
669 |
CharDriverState *chr = opaque; |
|
670 |
||
671 |
/* try to flush the queue if needed */
|
|
672 |
if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { |
|
673 |
qemu_chr_read(chr, term_fifo, 1); |
|
674 |
term_fifo_size = 0; |
|
675 |
}
|
|
676 |
/* see if we can absorb more chars */
|
|
677 |
if (term_fifo_size == 0) |
|
678 |
return 1; |
|
679 |
else
|
|
680 |
return 0; |
|
681 |
}
|
|
682 |
||
683 |
static void stdio_read(void *opaque) |
|
684 |
{
|
|
685 |
int size; |
|
686 |
uint8_t buf[1]; |
|
687 |
CharDriverState *chr = opaque; |
|
688 |
||
689 |
size = read(0, buf, 1); |
|
690 |
if (size == 0) { |
|
691 |
/* stdin has been closed. Remove it from the active list. */
|
|
692 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
693 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
694 |
return; |
695 |
}
|
|
696 |
if (size > 0) { |
|
697 |
if (qemu_chr_can_read(chr) > 0) { |
|
698 |
qemu_chr_read(chr, buf, 1); |
|
699 |
} else if (term_fifo_size == 0) { |
|
700 |
term_fifo[term_fifo_size++] = buf[0]; |
|
701 |
}
|
|
702 |
}
|
|
703 |
}
|
|
704 |
||
705 |
/* init terminal so that we can grab keys */
|
|
706 |
static struct termios oldtty; |
|
707 |
static int old_fd0_flags; |
|
708 |
static int term_atexit_done; |
|
709 |
||
710 |
static void term_exit(void) |
|
711 |
{
|
|
712 |
tcsetattr (0, TCSANOW, &oldtty); |
|
713 |
fcntl(0, F_SETFL, old_fd0_flags); |
|
714 |
}
|
|
715 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
716 |
static void term_init(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
717 |
{
|
718 |
struct termios tty; |
|
719 |
||
720 |
tcgetattr (0, &tty); |
|
721 |
oldtty = tty; |
|
722 |
old_fd0_flags = fcntl(0, F_GETFL); |
|
723 |
||
724 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
|
725 |
|INLCR|IGNCR|ICRNL|IXON); |
|
726 |
tty.c_oflag |= OPOST; |
|
727 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
|
728 |
/* if graphical mode, we allow Ctrl-C handling */
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
729 |
if (!qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC)) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
730 |
tty.c_lflag &= ~ISIG; |
731 |
tty.c_cflag &= ~(CSIZE|PARENB); |
|
732 |
tty.c_cflag |= CS8; |
|
733 |
tty.c_cc[VMIN] = 1; |
|
734 |
tty.c_cc[VTIME] = 0; |
|
735 |
||
736 |
tcsetattr (0, TCSANOW, &tty); |
|
737 |
||
738 |
if (!term_atexit_done++) |
|
739 |
atexit(term_exit); |
|
740 |
||
741 |
fcntl(0, F_SETFL, O_NONBLOCK); |
|
742 |
}
|
|
743 |
||
744 |
static void qemu_chr_close_stdio(struct CharDriverState *chr) |
|
745 |
{
|
|
746 |
term_exit(); |
|
747 |
stdio_nb_clients--; |
|
748 |
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
|
749 |
fd_chr_close(chr); |
|
750 |
}
|
|
751 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
752 |
static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
753 |
{
|
754 |
CharDriverState *chr; |
|
755 |
||
756 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS) |
|
757 |
return NULL; |
|
758 |
chr = qemu_chr_open_fd(0, 1); |
|
759 |
chr->chr_close = qemu_chr_close_stdio; |
|
760 |
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
|
761 |
stdio_nb_clients++; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
762 |
term_init(opts); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
763 |
|
764 |
return chr; |
|
765 |
}
|
|
766 |
||
767 |
#ifdef __sun__
|
|
768 |
/* Once Solaris has openpty(), this is going to be removed. */
|
|
769 |
static int openpty(int *amaster, int *aslave, char *name, |
|
770 |
struct termios *termp, struct winsize *winp) |
|
771 |
{
|
|
772 |
const char *slave; |
|
773 |
int mfd = -1, sfd = -1; |
|
774 |
||
775 |
*amaster = *aslave = -1; |
|
776 |
||
777 |
mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); |
|
778 |
if (mfd < 0) |
|
779 |
goto err; |
|
780 |
||
781 |
if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
|
782 |
goto err; |
|
783 |
||
784 |
if ((slave = ptsname(mfd)) == NULL) |
|
785 |
goto err; |
|
786 |
||
787 |
if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
|
788 |
goto err; |
|
789 |
||
790 |
if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
|
791 |
(termp != NULL && tcgetattr(sfd, termp) < 0)) |
|
792 |
goto err; |
|
793 |
||
794 |
if (amaster) |
|
795 |
*amaster = mfd; |
|
796 |
if (aslave) |
|
797 |
*aslave = sfd; |
|
798 |
if (winp) |
|
799 |
ioctl(sfd, TIOCSWINSZ, winp); |
|
800 |
||
801 |
return 0; |
|
802 |
||
803 |
err: |
|
804 |
if (sfd != -1) |
|
805 |
close(sfd); |
|
806 |
close(mfd); |
|
807 |
return -1; |
|
808 |
}
|
|
809 |
||
810 |
static void cfmakeraw (struct termios *termios_p) |
|
811 |
{
|
|
812 |
termios_p->c_iflag &= |
|
813 |
~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
|
814 |
termios_p->c_oflag &= ~OPOST; |
|
815 |
termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
|
816 |
termios_p->c_cflag &= ~(CSIZE|PARENB); |
|
817 |
termios_p->c_cflag |= CS8; |
|
818 |
||
819 |
termios_p->c_cc[VMIN] = 0; |
|
820 |
termios_p->c_cc[VTIME] = 0; |
|
821 |
}
|
|
822 |
#endif
|
|
823 |
||
824 |
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
825 |
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
|
826 |
|| defined(__GLIBC__)
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
827 |
|
828 |
typedef struct { |
|
829 |
int fd; |
|
830 |
int connected; |
|
831 |
int polling; |
|
832 |
int read_bytes; |
|
833 |
QEMUTimer *timer; |
|
834 |
} PtyCharDriver; |
|
835 |
||
836 |
static void pty_chr_update_read_handler(CharDriverState *chr); |
|
837 |
static void pty_chr_state(CharDriverState *chr, int connected); |
|
838 |
||
839 |
static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
840 |
{
|
|
841 |
PtyCharDriver *s = chr->opaque; |
|
842 |
||
843 |
if (!s->connected) { |
|
844 |
/* guest sends data, check for (re-)connect */
|
|
845 |
pty_chr_update_read_handler(chr); |
|
846 |
return 0; |
|
847 |
}
|
|
848 |
return send_all(s->fd, buf, len); |
|
849 |
}
|
|
850 |
||
851 |
static int pty_chr_read_poll(void *opaque) |
|
852 |
{
|
|
853 |
CharDriverState *chr = opaque; |
|
854 |
PtyCharDriver *s = chr->opaque; |
|
855 |
||
856 |
s->read_bytes = qemu_chr_can_read(chr); |
|
857 |
return s->read_bytes; |
|
858 |
}
|
|
859 |
||
860 |
static void pty_chr_read(void *opaque) |
|
861 |
{
|
|
862 |
CharDriverState *chr = opaque; |
|
863 |
PtyCharDriver *s = chr->opaque; |
|
864 |
int size, len; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
865 |
uint8_t buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
866 |
|
867 |
len = sizeof(buf); |
|
868 |
if (len > s->read_bytes) |
|
869 |
len = s->read_bytes; |
|
870 |
if (len == 0) |
|
871 |
return; |
|
872 |
size = read(s->fd, buf, len); |
|
873 |
if ((size == -1 && errno == EIO) || |
|
874 |
(size == 0)) { |
|
875 |
pty_chr_state(chr, 0); |
|
876 |
return; |
|
877 |
}
|
|
878 |
if (size > 0) { |
|
879 |
pty_chr_state(chr, 1); |
|
880 |
qemu_chr_read(chr, buf, size); |
|
881 |
}
|
|
882 |
}
|
|
883 |
||
884 |
static void pty_chr_update_read_handler(CharDriverState *chr) |
|
885 |
{
|
|
886 |
PtyCharDriver *s = chr->opaque; |
|
887 |
||
888 |
qemu_set_fd_handler2(s->fd, pty_chr_read_poll, |
|
889 |
pty_chr_read, NULL, chr); |
|
890 |
s->polling = 1; |
|
891 |
/*
|
|
892 |
* Short timeout here: just need wait long enougth that qemu makes
|
|
893 |
* it through the poll loop once. When reconnected we want a
|
|
894 |
* short timeout so we notice it almost instantly. Otherwise
|
|
895 |
* read() gives us -EIO instantly, making pty_chr_state() reset the
|
|
896 |
* timeout to the normal (much longer) poll interval before the
|
|
897 |
* timer triggers.
|
|
898 |
*/
|
|
899 |
qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); |
|
900 |
}
|
|
901 |
||
902 |
static void pty_chr_state(CharDriverState *chr, int connected) |
|
903 |
{
|
|
904 |
PtyCharDriver *s = chr->opaque; |
|
905 |
||
906 |
if (!connected) { |
|
907 |
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
|
908 |
s->connected = 0; |
|
909 |
s->polling = 0; |
|
910 |
/* (re-)connect poll interval for idle guests: once per second.
|
|
911 |
* We check more frequently in case the guests sends data to
|
|
912 |
* the virtual device linked to our pty. */
|
|
913 |
qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); |
|
914 |
} else { |
|
915 |
if (!s->connected) |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
916 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
917 |
s->connected = 1; |
918 |
}
|
|
919 |
}
|
|
920 |
||
921 |
static void pty_chr_timer(void *opaque) |
|
922 |
{
|
|
923 |
struct CharDriverState *chr = opaque; |
|
924 |
PtyCharDriver *s = chr->opaque; |
|
925 |
||
926 |
if (s->connected) |
|
927 |
return; |
|
928 |
if (s->polling) { |
|
929 |
/* If we arrive here without polling being cleared due
|
|
930 |
* read returning -EIO, then we are (re-)connected */
|
|
931 |
pty_chr_state(chr, 1); |
|
932 |
return; |
|
933 |
}
|
|
934 |
||
935 |
/* Next poll ... */
|
|
936 |
pty_chr_update_read_handler(chr); |
|
937 |
}
|
|
938 |
||
939 |
static void pty_chr_close(struct CharDriverState *chr) |
|
940 |
{
|
|
941 |
PtyCharDriver *s = chr->opaque; |
|
942 |
||
943 |
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
|
944 |
close(s->fd); |
|
945 |
qemu_del_timer(s->timer); |
|
946 |
qemu_free_timer(s->timer); |
|
947 |
qemu_free(s); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
948 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
949 |
}
|
950 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
951 |
static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
952 |
{
|
953 |
CharDriverState *chr; |
|
954 |
PtyCharDriver *s; |
|
955 |
struct termios tty; |
|
956 |
int slave_fd, len; |
|
957 |
#if defined(__OpenBSD__) || defined(__DragonFly__)
|
|
958 |
char pty_name[PATH_MAX]; |
|
959 |
#define q_ptsname(x) pty_name
|
|
960 |
#else
|
|
961 |
char *pty_name = NULL; |
|
962 |
#define q_ptsname(x) ptsname(x)
|
|
963 |
#endif
|
|
964 |
||
965 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
966 |
s = qemu_mallocz(sizeof(PtyCharDriver)); |
|
967 |
||
968 |
if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
|
969 |
return NULL; |
|
970 |
}
|
|
971 |
||
972 |
/* Set raw attributes on the pty. */
|
|
973 |
tcgetattr(slave_fd, &tty); |
|
974 |
cfmakeraw(&tty); |
|
975 |
tcsetattr(slave_fd, TCSAFLUSH, &tty); |
|
976 |
close(slave_fd); |
|
977 |
||
978 |
len = strlen(q_ptsname(s->fd)) + 5; |
|
979 |
chr->filename = qemu_malloc(len); |
|
980 |
snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd)); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
981 |
qemu_opt_set(opts, "path", q_ptsname(s->fd)); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
982 |
fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); |
983 |
||
984 |
chr->opaque = s; |
|
985 |
chr->chr_write = pty_chr_write; |
|
986 |
chr->chr_update_read_handler = pty_chr_update_read_handler; |
|
987 |
chr->chr_close = pty_chr_close; |
|
988 |
||
989 |
s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); |
|
990 |
||
991 |
return chr; |
|
992 |
}
|
|
993 |
||
994 |
static void tty_serial_init(int fd, int speed, |
|
995 |
int parity, int data_bits, int stop_bits) |
|
996 |
{
|
|
997 |
struct termios tty; |
|
998 |
speed_t spd; |
|
999 |
||
1000 |
#if 0
|
|
1001 |
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
|
1002 |
speed, parity, data_bits, stop_bits);
|
|
1003 |
#endif
|
|
1004 |
tcgetattr (fd, &tty); |
|
1005 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1006 |
#define check_speed(val) if (speed <= val) { spd = B##val; break; }
|
1007 |
speed = speed * 10 / 11; |
|
1008 |
do { |
|
1009 |
check_speed(50); |
|
1010 |
check_speed(75); |
|
1011 |
check_speed(110); |
|
1012 |
check_speed(134); |
|
1013 |
check_speed(150); |
|
1014 |
check_speed(200); |
|
1015 |
check_speed(300); |
|
1016 |
check_speed(600); |
|
1017 |
check_speed(1200); |
|
1018 |
check_speed(1800); |
|
1019 |
check_speed(2400); |
|
1020 |
check_speed(4800); |
|
1021 |
check_speed(9600); |
|
1022 |
check_speed(19200); |
|
1023 |
check_speed(38400); |
|
1024 |
/* Non-Posix values follow. They may be unsupported on some systems. */
|
|
1025 |
check_speed(57600); |
|
1026 |
check_speed(115200); |
|
1027 |
#ifdef B230400
|
|
1028 |
check_speed(230400); |
|
1029 |
#endif
|
|
1030 |
#ifdef B460800
|
|
1031 |
check_speed(460800); |
|
1032 |
#endif
|
|
1033 |
#ifdef B500000
|
|
1034 |
check_speed(500000); |
|
1035 |
#endif
|
|
1036 |
#ifdef B576000
|
|
1037 |
check_speed(576000); |
|
1038 |
#endif
|
|
1039 |
#ifdef B921600
|
|
1040 |
check_speed(921600); |
|
1041 |
#endif
|
|
1042 |
#ifdef B1000000
|
|
1043 |
check_speed(1000000); |
|
1044 |
#endif
|
|
1045 |
#ifdef B1152000
|
|
1046 |
check_speed(1152000); |
|
1047 |
#endif
|
|
1048 |
#ifdef B1500000
|
|
1049 |
check_speed(1500000); |
|
1050 |
#endif
|
|
1051 |
#ifdef B2000000
|
|
1052 |
check_speed(2000000); |
|
1053 |
#endif
|
|
1054 |
#ifdef B2500000
|
|
1055 |
check_speed(2500000); |
|
1056 |
#endif
|
|
1057 |
#ifdef B3000000
|
|
1058 |
check_speed(3000000); |
|
1059 |
#endif
|
|
1060 |
#ifdef B3500000
|
|
1061 |
check_speed(3500000); |
|
1062 |
#endif
|
|
1063 |
#ifdef B4000000
|
|
1064 |
check_speed(4000000); |
|
1065 |
#endif
|
|
1066 |
spd = B115200; |
|
1067 |
} while (0); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1068 |
|
1069 |
cfsetispeed(&tty, spd); |
|
1070 |
cfsetospeed(&tty, spd); |
|
1071 |
||
1072 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
|
1073 |
|INLCR|IGNCR|ICRNL|IXON); |
|
1074 |
tty.c_oflag |= OPOST; |
|
1075 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
|
1076 |
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
|
1077 |
switch(data_bits) { |
|
1078 |
default: |
|
1079 |
case 8: |
|
1080 |
tty.c_cflag |= CS8; |
|
1081 |
break; |
|
1082 |
case 7: |
|
1083 |
tty.c_cflag |= CS7; |
|
1084 |
break; |
|
1085 |
case 6: |
|
1086 |
tty.c_cflag |= CS6; |
|
1087 |
break; |
|
1088 |
case 5: |
|
1089 |
tty.c_cflag |= CS5; |
|
1090 |
break; |
|
1091 |
}
|
|
1092 |
switch(parity) { |
|
1093 |
default: |
|
1094 |
case 'N': |
|
1095 |
break; |
|
1096 |
case 'E': |
|
1097 |
tty.c_cflag |= PARENB; |
|
1098 |
break; |
|
1099 |
case 'O': |
|
1100 |
tty.c_cflag |= PARENB | PARODD; |
|
1101 |
break; |
|
1102 |
}
|
|
1103 |
if (stop_bits == 2) |
|
1104 |
tty.c_cflag |= CSTOPB; |
|
1105 |
||
1106 |
tcsetattr (fd, TCSANOW, &tty); |
|
1107 |
}
|
|
1108 |
||
1109 |
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
|
1110 |
{
|
|
1111 |
FDCharDriver *s = chr->opaque; |
|
1112 |
||
1113 |
switch(cmd) { |
|
1114 |
case CHR_IOCTL_SERIAL_SET_PARAMS: |
|
1115 |
{
|
|
1116 |
QEMUSerialSetParams *ssp = arg; |
|
1117 |
tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
|
1118 |
ssp->data_bits, ssp->stop_bits); |
|
1119 |
}
|
|
1120 |
break; |
|
1121 |
case CHR_IOCTL_SERIAL_SET_BREAK: |
|
1122 |
{
|
|
1123 |
int enable = *(int *)arg; |
|
1124 |
if (enable) |
|
1125 |
tcsendbreak(s->fd_in, 1); |
|
1126 |
}
|
|
1127 |
break; |
|
1128 |
case CHR_IOCTL_SERIAL_GET_TIOCM: |
|
1129 |
{
|
|
1130 |
int sarg = 0; |
|
1131 |
int *targ = (int *)arg; |
|
1132 |
ioctl(s->fd_in, TIOCMGET, &sarg); |
|
1133 |
*targ = 0; |
|
1134 |
if (sarg & TIOCM_CTS) |
|
1135 |
*targ |= CHR_TIOCM_CTS; |
|
1136 |
if (sarg & TIOCM_CAR) |
|
1137 |
*targ |= CHR_TIOCM_CAR; |
|
1138 |
if (sarg & TIOCM_DSR) |
|
1139 |
*targ |= CHR_TIOCM_DSR; |
|
1140 |
if (sarg & TIOCM_RI) |
|
1141 |
*targ |= CHR_TIOCM_RI; |
|
1142 |
if (sarg & TIOCM_DTR) |
|
1143 |
*targ |= CHR_TIOCM_DTR; |
|
1144 |
if (sarg & TIOCM_RTS) |
|
1145 |
*targ |= CHR_TIOCM_RTS; |
|
1146 |
}
|
|
1147 |
break; |
|
1148 |
case CHR_IOCTL_SERIAL_SET_TIOCM: |
|
1149 |
{
|
|
1150 |
int sarg = *(int *)arg; |
|
1151 |
int targ = 0; |
|
1152 |
ioctl(s->fd_in, TIOCMGET, &targ); |
|
1153 |
targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
|
1154 |
| CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); |
|
1155 |
if (sarg & CHR_TIOCM_CTS) |
|
1156 |
targ |= TIOCM_CTS; |
|
1157 |
if (sarg & CHR_TIOCM_CAR) |
|
1158 |
targ |= TIOCM_CAR; |
|
1159 |
if (sarg & CHR_TIOCM_DSR) |
|
1160 |
targ |= TIOCM_DSR; |
|
1161 |
if (sarg & CHR_TIOCM_RI) |
|
1162 |
targ |= TIOCM_RI; |
|
1163 |
if (sarg & CHR_TIOCM_DTR) |
|
1164 |
targ |= TIOCM_DTR; |
|
1165 |
if (sarg & CHR_TIOCM_RTS) |
|
1166 |
targ |= TIOCM_RTS; |
|
1167 |
ioctl(s->fd_in, TIOCMSET, &targ); |
|
1168 |
}
|
|
1169 |
break; |
|
1170 |
default: |
|
1171 |
return -ENOTSUP; |
|
1172 |
}
|
|
1173 |
return 0; |
|
1174 |
}
|
|
1175 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1176 |
static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1177 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1178 |
const char *filename = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1179 |
CharDriverState *chr; |
1180 |
int fd; |
|
1181 |
||
1182 |
TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
|
1.1.5
by Dustin Kirkland
Import upstream version 0.12.3 |
1183 |
if (fd < 0) { |
1184 |
return NULL; |
|
1185 |
}
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1186 |
tty_serial_init(fd, 115200, 'N', 8, 1); |
1187 |
chr = qemu_chr_open_fd(fd, fd); |
|
1188 |
if (!chr) { |
|
1189 |
close(fd); |
|
1190 |
return NULL; |
|
1191 |
}
|
|
1192 |
chr->chr_ioctl = tty_serial_ioctl; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1193 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1194 |
return chr; |
1195 |
}
|
|
1196 |
#else /* ! __linux__ && ! __sun__ */ |
|
1197 |
static CharDriverState *qemu_chr_open_pty(void) |
|
1198 |
{
|
|
1199 |
return NULL; |
|
1200 |
}
|
|
1201 |
#endif /* __linux__ || __sun__ */ |
|
1202 |
||
1203 |
#if defined(__linux__)
|
|
1204 |
typedef struct { |
|
1205 |
int fd; |
|
1206 |
int mode; |
|
1207 |
} ParallelCharDriver; |
|
1208 |
||
1209 |
static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
|
1210 |
{
|
|
1211 |
if (s->mode != mode) { |
|
1212 |
int m = mode; |
|
1213 |
if (ioctl(s->fd, PPSETMODE, &m) < 0) |
|
1214 |
return 0; |
|
1215 |
s->mode = mode; |
|
1216 |
}
|
|
1217 |
return 1; |
|
1218 |
}
|
|
1219 |
||
1220 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
|
1221 |
{
|
|
1222 |
ParallelCharDriver *drv = chr->opaque; |
|
1223 |
int fd = drv->fd; |
|
1224 |
uint8_t b; |
|
1225 |
||
1226 |
switch(cmd) { |
|
1227 |
case CHR_IOCTL_PP_READ_DATA: |
|
1228 |
if (ioctl(fd, PPRDATA, &b) < 0) |
|
1229 |
return -ENOTSUP; |
|
1230 |
*(uint8_t *)arg = b; |
|
1231 |
break; |
|
1232 |
case CHR_IOCTL_PP_WRITE_DATA: |
|
1233 |
b = *(uint8_t *)arg; |
|
1234 |
if (ioctl(fd, PPWDATA, &b) < 0) |
|
1235 |
return -ENOTSUP; |
|
1236 |
break; |
|
1237 |
case CHR_IOCTL_PP_READ_CONTROL: |
|
1238 |
if (ioctl(fd, PPRCONTROL, &b) < 0) |
|
1239 |
return -ENOTSUP; |
|
1240 |
/* Linux gives only the lowest bits, and no way to know data
|
|
1241 |
direction! For better compatibility set the fixed upper
|
|
1242 |
bits. */
|
|
1243 |
*(uint8_t *)arg = b | 0xc0; |
|
1244 |
break; |
|
1245 |
case CHR_IOCTL_PP_WRITE_CONTROL: |
|
1246 |
b = *(uint8_t *)arg; |
|
1247 |
if (ioctl(fd, PPWCONTROL, &b) < 0) |
|
1248 |
return -ENOTSUP; |
|
1249 |
break; |
|
1250 |
case CHR_IOCTL_PP_READ_STATUS: |
|
1251 |
if (ioctl(fd, PPRSTATUS, &b) < 0) |
|
1252 |
return -ENOTSUP; |
|
1253 |
*(uint8_t *)arg = b; |
|
1254 |
break; |
|
1255 |
case CHR_IOCTL_PP_DATA_DIR: |
|
1256 |
if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
|
1257 |
return -ENOTSUP; |
|
1258 |
break; |
|
1259 |
case CHR_IOCTL_PP_EPP_READ_ADDR: |
|
1260 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
|
1261 |
struct ParallelIOArg *parg = arg; |
|
1262 |
int n = read(fd, parg->buffer, parg->count); |
|
1263 |
if (n != parg->count) { |
|
1264 |
return -EIO; |
|
1265 |
}
|
|
1266 |
}
|
|
1267 |
break; |
|
1268 |
case CHR_IOCTL_PP_EPP_READ: |
|
1269 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
|
1270 |
struct ParallelIOArg *parg = arg; |
|
1271 |
int n = read(fd, parg->buffer, parg->count); |
|
1272 |
if (n != parg->count) { |
|
1273 |
return -EIO; |
|
1274 |
}
|
|
1275 |
}
|
|
1276 |
break; |
|
1277 |
case CHR_IOCTL_PP_EPP_WRITE_ADDR: |
|
1278 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
|
1279 |
struct ParallelIOArg *parg = arg; |
|
1280 |
int n = write(fd, parg->buffer, parg->count); |
|
1281 |
if (n != parg->count) { |
|
1282 |
return -EIO; |
|
1283 |
}
|
|
1284 |
}
|
|
1285 |
break; |
|
1286 |
case CHR_IOCTL_PP_EPP_WRITE: |
|
1287 |
if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
|
1288 |
struct ParallelIOArg *parg = arg; |
|
1289 |
int n = write(fd, parg->buffer, parg->count); |
|
1290 |
if (n != parg->count) { |
|
1291 |
return -EIO; |
|
1292 |
}
|
|
1293 |
}
|
|
1294 |
break; |
|
1295 |
default: |
|
1296 |
return -ENOTSUP; |
|
1297 |
}
|
|
1298 |
return 0; |
|
1299 |
}
|
|
1300 |
||
1301 |
static void pp_close(CharDriverState *chr) |
|
1302 |
{
|
|
1303 |
ParallelCharDriver *drv = chr->opaque; |
|
1304 |
int fd = drv->fd; |
|
1305 |
||
1306 |
pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
|
1307 |
ioctl(fd, PPRELEASE); |
|
1308 |
close(fd); |
|
1309 |
qemu_free(drv); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1310 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1311 |
}
|
1312 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1313 |
static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1314 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1315 |
const char *filename = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1316 |
CharDriverState *chr; |
1317 |
ParallelCharDriver *drv; |
|
1318 |
int fd; |
|
1319 |
||
1320 |
TFR(fd = open(filename, O_RDWR)); |
|
1321 |
if (fd < 0) |
|
1322 |
return NULL; |
|
1323 |
||
1324 |
if (ioctl(fd, PPCLAIM) < 0) { |
|
1325 |
close(fd); |
|
1326 |
return NULL; |
|
1327 |
}
|
|
1328 |
||
1329 |
drv = qemu_mallocz(sizeof(ParallelCharDriver)); |
|
1330 |
drv->fd = fd; |
|
1331 |
drv->mode = IEEE1284_MODE_COMPAT; |
|
1332 |
||
1333 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1334 |
chr->chr_write = null_chr_write; |
|
1335 |
chr->chr_ioctl = pp_ioctl; |
|
1336 |
chr->chr_close = pp_close; |
|
1337 |
chr->opaque = drv; |
|
1338 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1339 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1340 |
|
1341 |
return chr; |
|
1342 |
}
|
|
1343 |
#endif /* __linux__ */ |
|
1344 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1345 |
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1346 |
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1347 |
{
|
|
1348 |
int fd = (int)chr->opaque; |
|
1349 |
uint8_t b; |
|
1350 |
||
1351 |
switch(cmd) { |
|
1352 |
case CHR_IOCTL_PP_READ_DATA: |
|
1353 |
if (ioctl(fd, PPIGDATA, &b) < 0) |
|
1354 |
return -ENOTSUP; |
|
1355 |
*(uint8_t *)arg = b; |
|
1356 |
break; |
|
1357 |
case CHR_IOCTL_PP_WRITE_DATA: |
|
1358 |
b = *(uint8_t *)arg; |
|
1359 |
if (ioctl(fd, PPISDATA, &b) < 0) |
|
1360 |
return -ENOTSUP; |
|
1361 |
break; |
|
1362 |
case CHR_IOCTL_PP_READ_CONTROL: |
|
1363 |
if (ioctl(fd, PPIGCTRL, &b) < 0) |
|
1364 |
return -ENOTSUP; |
|
1365 |
*(uint8_t *)arg = b; |
|
1366 |
break; |
|
1367 |
case CHR_IOCTL_PP_WRITE_CONTROL: |
|
1368 |
b = *(uint8_t *)arg; |
|
1369 |
if (ioctl(fd, PPISCTRL, &b) < 0) |
|
1370 |
return -ENOTSUP; |
|
1371 |
break; |
|
1372 |
case CHR_IOCTL_PP_READ_STATUS: |
|
1373 |
if (ioctl(fd, PPIGSTATUS, &b) < 0) |
|
1374 |
return -ENOTSUP; |
|
1375 |
*(uint8_t *)arg = b; |
|
1376 |
break; |
|
1377 |
default: |
|
1378 |
return -ENOTSUP; |
|
1379 |
}
|
|
1380 |
return 0; |
|
1381 |
}
|
|
1382 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1383 |
static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1384 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1385 |
const char *filename = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1386 |
CharDriverState *chr; |
1387 |
int fd; |
|
1388 |
||
1389 |
fd = open(filename, O_RDWR); |
|
1390 |
if (fd < 0) |
|
1391 |
return NULL; |
|
1392 |
||
1393 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1394 |
chr->opaque = (void *)fd; |
|
1395 |
chr->chr_write = null_chr_write; |
|
1396 |
chr->chr_ioctl = pp_ioctl; |
|
1397 |
return chr; |
|
1398 |
}
|
|
1399 |
#endif
|
|
1400 |
||
1401 |
#else /* _WIN32 */ |
|
1402 |
||
1403 |
typedef struct { |
|
1404 |
int max_size; |
|
1405 |
HANDLE hcom, hrecv, hsend; |
|
1406 |
OVERLAPPED orecv, osend; |
|
1407 |
BOOL fpipe; |
|
1408 |
DWORD len; |
|
1409 |
} WinCharState; |
|
1410 |
||
1411 |
#define NSENDBUF 2048
|
|
1412 |
#define NRECVBUF 2048
|
|
1413 |
#define MAXCONNECT 1
|
|
1414 |
#define NTIMEOUT 5000
|
|
1415 |
||
1416 |
static int win_chr_poll(void *opaque); |
|
1417 |
static int win_chr_pipe_poll(void *opaque); |
|
1418 |
||
1419 |
static void win_chr_close(CharDriverState *chr) |
|
1420 |
{
|
|
1421 |
WinCharState *s = chr->opaque; |
|
1422 |
||
1423 |
if (s->hsend) { |
|
1424 |
CloseHandle(s->hsend); |
|
1425 |
s->hsend = NULL; |
|
1426 |
}
|
|
1427 |
if (s->hrecv) { |
|
1428 |
CloseHandle(s->hrecv); |
|
1429 |
s->hrecv = NULL; |
|
1430 |
}
|
|
1431 |
if (s->hcom) { |
|
1432 |
CloseHandle(s->hcom); |
|
1433 |
s->hcom = NULL; |
|
1434 |
}
|
|
1435 |
if (s->fpipe) |
|
1436 |
qemu_del_polling_cb(win_chr_pipe_poll, chr); |
|
1437 |
else
|
|
1438 |
qemu_del_polling_cb(win_chr_poll, chr); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1439 |
|
1440 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1441 |
}
|
1442 |
||
1443 |
static int win_chr_init(CharDriverState *chr, const char *filename) |
|
1444 |
{
|
|
1445 |
WinCharState *s = chr->opaque; |
|
1446 |
COMMCONFIG comcfg; |
|
1447 |
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
|
1448 |
COMSTAT comstat; |
|
1449 |
DWORD size; |
|
1450 |
DWORD err; |
|
1451 |
||
1452 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
|
1453 |
if (!s->hsend) { |
|
1454 |
fprintf(stderr, "Failed CreateEvent\n"); |
|
1455 |
goto fail; |
|
1456 |
}
|
|
1457 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
|
1458 |
if (!s->hrecv) { |
|
1459 |
fprintf(stderr, "Failed CreateEvent\n"); |
|
1460 |
goto fail; |
|
1461 |
}
|
|
1462 |
||
1463 |
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
|
1464 |
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); |
|
1465 |
if (s->hcom == INVALID_HANDLE_VALUE) { |
|
1466 |
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); |
|
1467 |
s->hcom = NULL; |
|
1468 |
goto fail; |
|
1469 |
}
|
|
1470 |
||
1471 |
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { |
|
1472 |
fprintf(stderr, "Failed SetupComm\n"); |
|
1473 |
goto fail; |
|
1474 |
}
|
|
1475 |
||
1476 |
ZeroMemory(&comcfg, sizeof(COMMCONFIG)); |
|
1477 |
size = sizeof(COMMCONFIG); |
|
1478 |
GetDefaultCommConfig(filename, &comcfg, &size); |
|
1479 |
comcfg.dcb.DCBlength = sizeof(DCB); |
|
1480 |
CommConfigDialog(filename, NULL, &comcfg); |
|
1481 |
||
1482 |
if (!SetCommState(s->hcom, &comcfg.dcb)) { |
|
1483 |
fprintf(stderr, "Failed SetCommState\n"); |
|
1484 |
goto fail; |
|
1485 |
}
|
|
1486 |
||
1487 |
if (!SetCommMask(s->hcom, EV_ERR)) { |
|
1488 |
fprintf(stderr, "Failed SetCommMask\n"); |
|
1489 |
goto fail; |
|
1490 |
}
|
|
1491 |
||
1492 |
cto.ReadIntervalTimeout = MAXDWORD; |
|
1493 |
if (!SetCommTimeouts(s->hcom, &cto)) { |
|
1494 |
fprintf(stderr, "Failed SetCommTimeouts\n"); |
|
1495 |
goto fail; |
|
1496 |
}
|
|
1497 |
||
1498 |
if (!ClearCommError(s->hcom, &err, &comstat)) { |
|
1499 |
fprintf(stderr, "Failed ClearCommError\n"); |
|
1500 |
goto fail; |
|
1501 |
}
|
|
1502 |
qemu_add_polling_cb(win_chr_poll, chr); |
|
1503 |
return 0; |
|
1504 |
||
1505 |
fail: |
|
1506 |
win_chr_close(chr); |
|
1507 |
return -1; |
|
1508 |
}
|
|
1509 |
||
1510 |
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
|
1511 |
{
|
|
1512 |
WinCharState *s = chr->opaque; |
|
1513 |
DWORD len, ret, size, err; |
|
1514 |
||
1515 |
len = len1; |
|
1516 |
ZeroMemory(&s->osend, sizeof(s->osend)); |
|
1517 |
s->osend.hEvent = s->hsend; |
|
1518 |
while (len > 0) { |
|
1519 |
if (s->hsend) |
|
1520 |
ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
|
1521 |
else
|
|
1522 |
ret = WriteFile(s->hcom, buf, len, &size, NULL); |
|
1523 |
if (!ret) { |
|
1524 |
err = GetLastError(); |
|
1525 |
if (err == ERROR_IO_PENDING) { |
|
1526 |
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
|
1527 |
if (ret) { |
|
1528 |
buf += size; |
|
1529 |
len -= size; |
|
1530 |
} else { |
|
1531 |
break; |
|
1532 |
}
|
|
1533 |
} else { |
|
1534 |
break; |
|
1535 |
}
|
|
1536 |
} else { |
|
1537 |
buf += size; |
|
1538 |
len -= size; |
|
1539 |
}
|
|
1540 |
}
|
|
1541 |
return len1 - len; |
|
1542 |
}
|
|
1543 |
||
1544 |
static int win_chr_read_poll(CharDriverState *chr) |
|
1545 |
{
|
|
1546 |
WinCharState *s = chr->opaque; |
|
1547 |
||
1548 |
s->max_size = qemu_chr_can_read(chr); |
|
1549 |
return s->max_size; |
|
1550 |
}
|
|
1551 |
||
1552 |
static void win_chr_readfile(CharDriverState *chr) |
|
1553 |
{
|
|
1554 |
WinCharState *s = chr->opaque; |
|
1555 |
int ret, err; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1556 |
uint8_t buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1557 |
DWORD size; |
1558 |
||
1559 |
ZeroMemory(&s->orecv, sizeof(s->orecv)); |
|
1560 |
s->orecv.hEvent = s->hrecv; |
|
1561 |
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
|
1562 |
if (!ret) { |
|
1563 |
err = GetLastError(); |
|
1564 |
if (err == ERROR_IO_PENDING) { |
|
1565 |
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
|
1566 |
}
|
|
1567 |
}
|
|
1568 |
||
1569 |
if (size > 0) { |
|
1570 |
qemu_chr_read(chr, buf, size); |
|
1571 |
}
|
|
1572 |
}
|
|
1573 |
||
1574 |
static void win_chr_read(CharDriverState *chr) |
|
1575 |
{
|
|
1576 |
WinCharState *s = chr->opaque; |
|
1577 |
||
1578 |
if (s->len > s->max_size) |
|
1579 |
s->len = s->max_size; |
|
1580 |
if (s->len == 0) |
|
1581 |
return; |
|
1582 |
||
1583 |
win_chr_readfile(chr); |
|
1584 |
}
|
|
1585 |
||
1586 |
static int win_chr_poll(void *opaque) |
|
1587 |
{
|
|
1588 |
CharDriverState *chr = opaque; |
|
1589 |
WinCharState *s = chr->opaque; |
|
1590 |
COMSTAT status; |
|
1591 |
DWORD comerr; |
|
1592 |
||
1593 |
ClearCommError(s->hcom, &comerr, &status); |
|
1594 |
if (status.cbInQue > 0) { |
|
1595 |
s->len = status.cbInQue; |
|
1596 |
win_chr_read_poll(chr); |
|
1597 |
win_chr_read(chr); |
|
1598 |
return 1; |
|
1599 |
}
|
|
1600 |
return 0; |
|
1601 |
}
|
|
1602 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1603 |
static CharDriverState *qemu_chr_open_win(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1604 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1605 |
const char *filename = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1606 |
CharDriverState *chr; |
1607 |
WinCharState *s; |
|
1608 |
||
1609 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1610 |
s = qemu_mallocz(sizeof(WinCharState)); |
|
1611 |
chr->opaque = s; |
|
1612 |
chr->chr_write = win_chr_write; |
|
1613 |
chr->chr_close = win_chr_close; |
|
1614 |
||
1615 |
if (win_chr_init(chr, filename) < 0) { |
|
1616 |
free(s); |
|
1617 |
free(chr); |
|
1618 |
return NULL; |
|
1619 |
}
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1620 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1621 |
return chr; |
1622 |
}
|
|
1623 |
||
1624 |
static int win_chr_pipe_poll(void *opaque) |
|
1625 |
{
|
|
1626 |
CharDriverState *chr = opaque; |
|
1627 |
WinCharState *s = chr->opaque; |
|
1628 |
DWORD size; |
|
1629 |
||
1630 |
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
|
1631 |
if (size > 0) { |
|
1632 |
s->len = size; |
|
1633 |
win_chr_read_poll(chr); |
|
1634 |
win_chr_read(chr); |
|
1635 |
return 1; |
|
1636 |
}
|
|
1637 |
return 0; |
|
1638 |
}
|
|
1639 |
||
1640 |
static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
|
1641 |
{
|
|
1642 |
WinCharState *s = chr->opaque; |
|
1643 |
OVERLAPPED ov; |
|
1644 |
int ret; |
|
1645 |
DWORD size; |
|
1646 |
char openname[256]; |
|
1647 |
||
1648 |
s->fpipe = TRUE; |
|
1649 |
||
1650 |
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
|
1651 |
if (!s->hsend) { |
|
1652 |
fprintf(stderr, "Failed CreateEvent\n"); |
|
1653 |
goto fail; |
|
1654 |
}
|
|
1655 |
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
|
1656 |
if (!s->hrecv) { |
|
1657 |
fprintf(stderr, "Failed CreateEvent\n"); |
|
1658 |
goto fail; |
|
1659 |
}
|
|
1660 |
||
1661 |
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
|
1662 |
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
|
1663 |
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
|
1664 |
PIPE_WAIT, |
|
1665 |
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); |
|
1666 |
if (s->hcom == INVALID_HANDLE_VALUE) { |
|
1667 |
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); |
|
1668 |
s->hcom = NULL; |
|
1669 |
goto fail; |
|
1670 |
}
|
|
1671 |
||
1672 |
ZeroMemory(&ov, sizeof(ov)); |
|
1673 |
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
|
1674 |
ret = ConnectNamedPipe(s->hcom, &ov); |
|
1675 |
if (ret) { |
|
1676 |
fprintf(stderr, "Failed ConnectNamedPipe\n"); |
|
1677 |
goto fail; |
|
1678 |
}
|
|
1679 |
||
1680 |
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
|
1681 |
if (!ret) { |
|
1682 |
fprintf(stderr, "Failed GetOverlappedResult\n"); |
|
1683 |
if (ov.hEvent) { |
|
1684 |
CloseHandle(ov.hEvent); |
|
1685 |
ov.hEvent = NULL; |
|
1686 |
}
|
|
1687 |
goto fail; |
|
1688 |
}
|
|
1689 |
||
1690 |
if (ov.hEvent) { |
|
1691 |
CloseHandle(ov.hEvent); |
|
1692 |
ov.hEvent = NULL; |
|
1693 |
}
|
|
1694 |
qemu_add_polling_cb(win_chr_pipe_poll, chr); |
|
1695 |
return 0; |
|
1696 |
||
1697 |
fail: |
|
1698 |
win_chr_close(chr); |
|
1699 |
return -1; |
|
1700 |
}
|
|
1701 |
||
1702 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1703 |
static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1704 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1705 |
const char *filename = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1706 |
CharDriverState *chr; |
1707 |
WinCharState *s; |
|
1708 |
||
1709 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1710 |
s = qemu_mallocz(sizeof(WinCharState)); |
|
1711 |
chr->opaque = s; |
|
1712 |
chr->chr_write = win_chr_write; |
|
1713 |
chr->chr_close = win_chr_close; |
|
1714 |
||
1715 |
if (win_chr_pipe_init(chr, filename) < 0) { |
|
1716 |
free(s); |
|
1717 |
free(chr); |
|
1718 |
return NULL; |
|
1719 |
}
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1720 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1721 |
return chr; |
1722 |
}
|
|
1723 |
||
1724 |
static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
|
1725 |
{
|
|
1726 |
CharDriverState *chr; |
|
1727 |
WinCharState *s; |
|
1728 |
||
1729 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1730 |
s = qemu_mallocz(sizeof(WinCharState)); |
|
1731 |
s->hcom = fd_out; |
|
1732 |
chr->opaque = s; |
|
1733 |
chr->chr_write = win_chr_write; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1734 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1735 |
return chr; |
1736 |
}
|
|
1737 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1738 |
static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1739 |
{
|
1740 |
return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
|
1741 |
}
|
|
1742 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1743 |
static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1744 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1745 |
const char *file_out = qemu_opt_get(opts, "path"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1746 |
HANDLE fd_out; |
1747 |
||
1748 |
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
|
1749 |
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
|
1750 |
if (fd_out == INVALID_HANDLE_VALUE) |
|
1751 |
return NULL; |
|
1752 |
||
1753 |
return qemu_chr_open_win_file(fd_out); |
|
1754 |
}
|
|
1755 |
#endif /* !_WIN32 */ |
|
1756 |
||
1757 |
/***********************************************************/
|
|
1758 |
/* UDP Net console */
|
|
1759 |
||
1760 |
typedef struct { |
|
1761 |
int fd; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1762 |
uint8_t buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1763 |
int bufcnt; |
1764 |
int bufptr; |
|
1765 |
int max_size; |
|
1766 |
} NetCharDriver; |
|
1767 |
||
1768 |
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
1769 |
{
|
|
1770 |
NetCharDriver *s = chr->opaque; |
|
1771 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1772 |
return send(s->fd, (const void *)buf, len, 0); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1773 |
}
|
1774 |
||
1775 |
static int udp_chr_read_poll(void *opaque) |
|
1776 |
{
|
|
1777 |
CharDriverState *chr = opaque; |
|
1778 |
NetCharDriver *s = chr->opaque; |
|
1779 |
||
1780 |
s->max_size = qemu_chr_can_read(chr); |
|
1781 |
||
1782 |
/* If there were any stray characters in the queue process them
|
|
1783 |
* first
|
|
1784 |
*/
|
|
1785 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
|
1786 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
|
1787 |
s->bufptr++; |
|
1788 |
s->max_size = qemu_chr_can_read(chr); |
|
1789 |
}
|
|
1790 |
return s->max_size; |
|
1791 |
}
|
|
1792 |
||
1793 |
static void udp_chr_read(void *opaque) |
|
1794 |
{
|
|
1795 |
CharDriverState *chr = opaque; |
|
1796 |
NetCharDriver *s = chr->opaque; |
|
1797 |
||
1798 |
if (s->max_size == 0) |
|
1799 |
return; |
|
1800 |
s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
|
1801 |
s->bufptr = s->bufcnt; |
|
1802 |
if (s->bufcnt <= 0) |
|
1803 |
return; |
|
1804 |
||
1805 |
s->bufptr = 0; |
|
1806 |
while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
|
1807 |
qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
|
1808 |
s->bufptr++; |
|
1809 |
s->max_size = qemu_chr_can_read(chr); |
|
1810 |
}
|
|
1811 |
}
|
|
1812 |
||
1813 |
static void udp_chr_update_read_handler(CharDriverState *chr) |
|
1814 |
{
|
|
1815 |
NetCharDriver *s = chr->opaque; |
|
1816 |
||
1817 |
if (s->fd >= 0) { |
|
1818 |
qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
|
1819 |
udp_chr_read, NULL, chr); |
|
1820 |
}
|
|
1821 |
}
|
|
1822 |
||
1823 |
static void udp_chr_close(CharDriverState *chr) |
|
1824 |
{
|
|
1825 |
NetCharDriver *s = chr->opaque; |
|
1826 |
if (s->fd >= 0) { |
|
1827 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
|
1828 |
closesocket(s->fd); |
|
1829 |
}
|
|
1830 |
qemu_free(s); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1831 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1832 |
}
|
1833 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1834 |
static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1835 |
{
|
1836 |
CharDriverState *chr = NULL; |
|
1837 |
NetCharDriver *s = NULL; |
|
1838 |
int fd = -1; |
|
1839 |
||
1840 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
1841 |
s = qemu_mallocz(sizeof(NetCharDriver)); |
|
1842 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1843 |
fd = inet_dgram_opts(opts); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1844 |
if (fd < 0) { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1845 |
fprintf(stderr, "inet_dgram_opts failed\n"); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1846 |
goto return_err; |
1847 |
}
|
|
1848 |
||
1849 |
s->fd = fd; |
|
1850 |
s->bufcnt = 0; |
|
1851 |
s->bufptr = 0; |
|
1852 |
chr->opaque = s; |
|
1853 |
chr->chr_write = udp_chr_write; |
|
1854 |
chr->chr_update_read_handler = udp_chr_update_read_handler; |
|
1855 |
chr->chr_close = udp_chr_close; |
|
1856 |
return chr; |
|
1857 |
||
1858 |
return_err: |
|
1859 |
if (chr) |
|
1860 |
free(chr); |
|
1861 |
if (s) |
|
1862 |
free(s); |
|
1863 |
if (fd >= 0) |
|
1864 |
closesocket(fd); |
|
1865 |
return NULL; |
|
1866 |
}
|
|
1867 |
||
1868 |
/***********************************************************/
|
|
1869 |
/* TCP Net console */
|
|
1870 |
||
1871 |
typedef struct { |
|
1872 |
int fd, listen_fd; |
|
1873 |
int connected; |
|
1874 |
int max_size; |
|
1875 |
int do_telnetopt; |
|
1876 |
int do_nodelay; |
|
1877 |
int is_unix; |
|
1878 |
int msgfd; |
|
1879 |
} TCPCharDriver; |
|
1880 |
||
1881 |
static void tcp_chr_accept(void *opaque); |
|
1882 |
||
1883 |
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
|
1884 |
{
|
|
1885 |
TCPCharDriver *s = chr->opaque; |
|
1886 |
if (s->connected) { |
|
1887 |
return send_all(s->fd, buf, len); |
|
1888 |
} else { |
|
1889 |
/* XXX: indicate an error ? */
|
|
1890 |
return len; |
|
1891 |
}
|
|
1892 |
}
|
|
1893 |
||
1894 |
static int tcp_chr_read_poll(void *opaque) |
|
1895 |
{
|
|
1896 |
CharDriverState *chr = opaque; |
|
1897 |
TCPCharDriver *s = chr->opaque; |
|
1898 |
if (!s->connected) |
|
1899 |
return 0; |
|
1900 |
s->max_size = qemu_chr_can_read(chr); |
|
1901 |
return s->max_size; |
|
1902 |
}
|
|
1903 |
||
1904 |
#define IAC 255
|
|
1905 |
#define IAC_BREAK 243
|
|
1906 |
static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
|
1907 |
TCPCharDriver *s, |
|
1908 |
uint8_t *buf, int *size) |
|
1909 |
{
|
|
1910 |
/* Handle any telnet client's basic IAC options to satisfy char by
|
|
1911 |
* char mode with no echo. All IAC options will be removed from
|
|
1912 |
* the buf and the do_telnetopt variable will be used to track the
|
|
1913 |
* state of the width of the IAC information.
|
|
1914 |
*
|
|
1915 |
* IAC commands come in sets of 3 bytes with the exception of the
|
|
1916 |
* "IAC BREAK" command and the double IAC.
|
|
1917 |
*/
|
|
1918 |
||
1919 |
int i; |
|
1920 |
int j = 0; |
|
1921 |
||
1922 |
for (i = 0; i < *size; i++) { |
|
1923 |
if (s->do_telnetopt > 1) { |
|
1924 |
if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
|
1925 |
/* Double IAC means send an IAC */
|
|
1926 |
if (j != i) |
|
1927 |
buf[j] = buf[i]; |
|
1928 |
j++; |
|
1929 |
s->do_telnetopt = 1; |
|
1930 |
} else { |
|
1931 |
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
|
1932 |
/* Handle IAC break commands by sending a serial break */
|
|
1933 |
qemu_chr_event(chr, CHR_EVENT_BREAK); |
|
1934 |
s->do_telnetopt++; |
|
1935 |
}
|
|
1936 |
s->do_telnetopt++; |
|
1937 |
}
|
|
1938 |
if (s->do_telnetopt >= 4) { |
|
1939 |
s->do_telnetopt = 1; |
|
1940 |
}
|
|
1941 |
} else { |
|
1942 |
if ((unsigned char)buf[i] == IAC) { |
|
1943 |
s->do_telnetopt = 2; |
|
1944 |
} else { |
|
1945 |
if (j != i) |
|
1946 |
buf[j] = buf[i]; |
|
1947 |
j++; |
|
1948 |
}
|
|
1949 |
}
|
|
1950 |
}
|
|
1951 |
*size = j; |
|
1952 |
}
|
|
1953 |
||
1954 |
static int tcp_get_msgfd(CharDriverState *chr) |
|
1955 |
{
|
|
1956 |
TCPCharDriver *s = chr->opaque; |
|
1957 |
||
1958 |
return s->msgfd; |
|
1959 |
}
|
|
1960 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
1961 |
#ifndef _WIN32
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1962 |
static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
1963 |
{
|
|
1964 |
TCPCharDriver *s = chr->opaque; |
|
1965 |
struct cmsghdr *cmsg; |
|
1966 |
||
1967 |
for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { |
|
1968 |
int fd; |
|
1969 |
||
1970 |
if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || |
|
1971 |
cmsg->cmsg_level != SOL_SOCKET || |
|
1972 |
cmsg->cmsg_type != SCM_RIGHTS) |
|
1973 |
continue; |
|
1974 |
||
1975 |
fd = *((int *)CMSG_DATA(cmsg)); |
|
1976 |
if (fd < 0) |
|
1977 |
continue; |
|
1978 |
||
1979 |
if (s->msgfd != -1) |
|
1980 |
close(s->msgfd); |
|
1981 |
s->msgfd = fd; |
|
1982 |
}
|
|
1983 |
}
|
|
1984 |
||
1985 |
static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
|
1986 |
{
|
|
1987 |
TCPCharDriver *s = chr->opaque; |
|
1.1.1
by Dustin Kirkland
Import upstream version 0.11.0~rc2 |
1988 |
struct msghdr msg = { NULL, }; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
1989 |
struct iovec iov[1]; |
1990 |
union { |
|
1991 |
struct cmsghdr cmsg; |
|
1992 |
char control[CMSG_SPACE(sizeof(int))]; |
|
1993 |
} msg_control; |
|
1994 |
ssize_t ret; |
|
1995 |
||
1996 |
iov[0].iov_base = buf; |
|
1997 |
iov[0].iov_len = len; |
|
1998 |
||
1999 |
msg.msg_iov = iov; |
|
2000 |
msg.msg_iovlen = 1; |
|
2001 |
msg.msg_control = &msg_control; |
|
2002 |
msg.msg_controllen = sizeof(msg_control); |
|
2003 |
||
2004 |
ret = recvmsg(s->fd, &msg, 0); |
|
2005 |
if (ret > 0 && s->is_unix) |
|
2006 |
unix_process_msgfd(chr, &msg); |
|
2007 |
||
2008 |
return ret; |
|
2009 |
}
|
|
2010 |
#else
|
|
2011 |
static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
|
2012 |
{
|
|
2013 |
TCPCharDriver *s = chr->opaque; |
|
2014 |
return recv(s->fd, buf, len, 0); |
|
2015 |
}
|
|
2016 |
#endif
|
|
2017 |
||
2018 |
static void tcp_chr_read(void *opaque) |
|
2019 |
{
|
|
2020 |
CharDriverState *chr = opaque; |
|
2021 |
TCPCharDriver *s = chr->opaque; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2022 |
uint8_t buf[READ_BUF_LEN]; |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2023 |
int len, size; |
2024 |
||
2025 |
if (!s->connected || s->max_size <= 0) |
|
2026 |
return; |
|
2027 |
len = sizeof(buf); |
|
2028 |
if (len > s->max_size) |
|
2029 |
len = s->max_size; |
|
2030 |
size = tcp_chr_recv(chr, (void *)buf, len); |
|
2031 |
if (size == 0) { |
|
2032 |
/* connection closed */
|
|
2033 |
s->connected = 0; |
|
2034 |
if (s->listen_fd >= 0) { |
|
2035 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
|
2036 |
}
|
|
2037 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
|
2038 |
closesocket(s->fd); |
|
2039 |
s->fd = -1; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2040 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2041 |
} else if (size > 0) { |
2042 |
if (s->do_telnetopt) |
|
2043 |
tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
|
2044 |
if (size > 0) |
|
2045 |
qemu_chr_read(chr, buf, size); |
|
2046 |
if (s->msgfd != -1) { |
|
2047 |
close(s->msgfd); |
|
2048 |
s->msgfd = -1; |
|
2049 |
}
|
|
2050 |
}
|
|
2051 |
}
|
|
2052 |
||
2053 |
static void tcp_chr_connect(void *opaque) |
|
2054 |
{
|
|
2055 |
CharDriverState *chr = opaque; |
|
2056 |
TCPCharDriver *s = chr->opaque; |
|
2057 |
||
2058 |
s->connected = 1; |
|
2059 |
qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
|
2060 |
tcp_chr_read, NULL, chr); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2061 |
qemu_chr_generic_open(chr); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2062 |
}
|
2063 |
||
2064 |
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
|
|
2065 |
static void tcp_chr_telnet_init(int fd) |
|
2066 |
{
|
|
2067 |
char buf[3]; |
|
2068 |
/* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
|
2069 |
IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
|
2070 |
send(fd, (char *)buf, 3, 0); |
|
2071 |
IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
|
2072 |
send(fd, (char *)buf, 3, 0); |
|
2073 |
IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
|
2074 |
send(fd, (char *)buf, 3, 0); |
|
2075 |
IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
|
2076 |
send(fd, (char *)buf, 3, 0); |
|
2077 |
}
|
|
2078 |
||
2079 |
static void socket_set_nodelay(int fd) |
|
2080 |
{
|
|
2081 |
int val = 1; |
|
2082 |
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
|
2083 |
}
|
|
2084 |
||
2085 |
static void tcp_chr_accept(void *opaque) |
|
2086 |
{
|
|
2087 |
CharDriverState *chr = opaque; |
|
2088 |
TCPCharDriver *s = chr->opaque; |
|
2089 |
struct sockaddr_in saddr; |
|
2090 |
#ifndef _WIN32
|
|
2091 |
struct sockaddr_un uaddr; |
|
2092 |
#endif
|
|
2093 |
struct sockaddr *addr; |
|
2094 |
socklen_t len; |
|
2095 |
int fd; |
|
2096 |
||
2097 |
for(;;) { |
|
2098 |
#ifndef _WIN32
|
|
2099 |
if (s->is_unix) { |
|
2100 |
len = sizeof(uaddr); |
|
2101 |
addr = (struct sockaddr *)&uaddr; |
|
2102 |
} else |
|
2103 |
#endif
|
|
2104 |
{
|
|
2105 |
len = sizeof(saddr); |
|
2106 |
addr = (struct sockaddr *)&saddr; |
|
2107 |
}
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2108 |
fd = qemu_accept(s->listen_fd, addr, &len); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2109 |
if (fd < 0 && errno != EINTR) { |
2110 |
return; |
|
2111 |
} else if (fd >= 0) { |
|
2112 |
if (s->do_telnetopt) |
|
2113 |
tcp_chr_telnet_init(fd); |
|
2114 |
break; |
|
2115 |
}
|
|
2116 |
}
|
|
2117 |
socket_set_nonblock(fd); |
|
2118 |
if (s->do_nodelay) |
|
2119 |
socket_set_nodelay(fd); |
|
2120 |
s->fd = fd; |
|
2121 |
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
|
2122 |
tcp_chr_connect(chr); |
|
2123 |
}
|
|
2124 |
||
2125 |
static void tcp_chr_close(CharDriverState *chr) |
|
2126 |
{
|
|
2127 |
TCPCharDriver *s = chr->opaque; |
|
2128 |
if (s->fd >= 0) { |
|
2129 |
qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
|
2130 |
closesocket(s->fd); |
|
2131 |
}
|
|
2132 |
if (s->listen_fd >= 0) { |
|
2133 |
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
|
2134 |
closesocket(s->listen_fd); |
|
2135 |
}
|
|
2136 |
qemu_free(s); |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2137 |
qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2138 |
}
|
2139 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2140 |
static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2141 |
{
|
2142 |
CharDriverState *chr = NULL; |
|
2143 |
TCPCharDriver *s = NULL; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2144 |
int fd = -1; |
2145 |
int is_listen; |
|
2146 |
int is_waitconnect; |
|
2147 |
int do_nodelay; |
|
2148 |
int is_unix; |
|
2149 |
int is_telnet; |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2150 |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2151 |
is_listen = qemu_opt_get_bool(opts, "server", 0); |
2152 |
is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); |
|
2153 |
is_telnet = qemu_opt_get_bool(opts, "telnet", 0); |
|
2154 |
do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); |
|
2155 |
is_unix = qemu_opt_get(opts, "path") != NULL; |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2156 |
if (!is_listen) |
2157 |
is_waitconnect = 0; |
|
2158 |
||
2159 |
chr = qemu_mallocz(sizeof(CharDriverState)); |
|
2160 |
s = qemu_mallocz(sizeof(TCPCharDriver)); |
|
2161 |
||
2162 |
if (is_unix) { |
|
2163 |
if (is_listen) { |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2164 |
fd = unix_listen_opts(opts); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2165 |
} else { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2166 |
fd = unix_connect_opts(opts); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2167 |
}
|
2168 |
} else { |
|
2169 |
if (is_listen) { |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2170 |
fd = inet_listen_opts(opts, 0); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2171 |
} else { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2172 |
fd = inet_connect_opts(opts); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2173 |
}
|
2174 |
}
|
|
2175 |
if (fd < 0) |
|
2176 |
goto fail; |
|
2177 |
||
2178 |
if (!is_waitconnect) |
|
2179 |
socket_set_nonblock(fd); |
|
2180 |
||
2181 |
s->connected = 0; |
|
2182 |
s->fd = -1; |
|
2183 |
s->listen_fd = -1; |
|
2184 |
s->msgfd = -1; |
|
2185 |
s->is_unix = is_unix; |
|
2186 |
s->do_nodelay = do_nodelay && !is_unix; |
|
2187 |
||
2188 |
chr->opaque = s; |
|
2189 |
chr->chr_write = tcp_chr_write; |
|
2190 |
chr->chr_close = tcp_chr_close; |
|
2191 |
chr->get_msgfd = tcp_get_msgfd; |
|
2192 |
||
2193 |
if (is_listen) { |
|
2194 |
s->listen_fd = fd; |
|
2195 |
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
|
2196 |
if (is_telnet) |
|
2197 |
s->do_telnetopt = 1; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2198 |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2199 |
} else { |
2200 |
s->connected = 1; |
|
2201 |
s->fd = fd; |
|
2202 |
socket_set_nodelay(fd); |
|
2203 |
tcp_chr_connect(chr); |
|
2204 |
}
|
|
2205 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2206 |
/* for "info chardev" monitor command */
|
2207 |
chr->filename = qemu_malloc(256); |
|
2208 |
if (is_unix) { |
|
2209 |
snprintf(chr->filename, 256, "unix:%s%s", |
|
2210 |
qemu_opt_get(opts, "path"), |
|
2211 |
qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
|
2212 |
} else if (is_telnet) { |
|
2213 |
snprintf(chr->filename, 256, "telnet:%s:%s%s", |
|
2214 |
qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
|
2215 |
qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
|
2216 |
} else { |
|
2217 |
snprintf(chr->filename, 256, "tcp:%s:%s%s", |
|
2218 |
qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
|
2219 |
qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
|
2220 |
}
|
|
2221 |
||
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2222 |
if (is_listen && is_waitconnect) { |
2223 |
printf("QEMU waiting for connection on: %s\n", |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2224 |
chr->filename); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2225 |
tcp_chr_accept(chr); |
2226 |
socket_set_nonblock(s->listen_fd); |
|
2227 |
}
|
|
2228 |
return chr; |
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2229 |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2230 |
fail: |
2231 |
if (fd >= 0) |
|
2232 |
closesocket(fd); |
|
2233 |
qemu_free(s); |
|
2234 |
qemu_free(chr); |
|
2235 |
return NULL; |
|
2236 |
}
|
|
2237 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2238 |
QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2239 |
{
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2240 |
char host[65], port[33], width[8], height[8]; |
2241 |
int pos; |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2242 |
const char *p; |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2243 |
QemuOpts *opts; |
2244 |
||
2245 |
opts = qemu_opts_create(&qemu_chardev_opts, label, 1); |
|
2246 |
if (NULL == opts) |
|
2247 |
return NULL; |
|
2248 |
||
2249 |
if (strstart(filename, "mon:", &p)) { |
|
2250 |
filename = p; |
|
2251 |
qemu_opt_set(opts, "mux", "on"); |
|
2252 |
}
|
|
2253 |
||
2254 |
if (strcmp(filename, "null") == 0 || |
|
2255 |
strcmp(filename, "pty") == 0 || |
|
2256 |
strcmp(filename, "msmouse") == 0 || |
|
2257 |
strcmp(filename, "braille") == 0 || |
|
2258 |
strcmp(filename, "stdio") == 0) { |
|
2259 |
qemu_opt_set(opts, "backend", filename); |
|
2260 |
return opts; |
|
2261 |
}
|
|
2262 |
if (strstart(filename, "vc", &p)) { |
|
2263 |
qemu_opt_set(opts, "backend", "vc"); |
|
2264 |
if (*p == ':') { |
|
2265 |
if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { |
|
2266 |
/* pixels */
|
|
2267 |
qemu_opt_set(opts, "width", width); |
|
2268 |
qemu_opt_set(opts, "height", height); |
|
2269 |
} else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { |
|
2270 |
/* chars */
|
|
2271 |
qemu_opt_set(opts, "cols", width); |
|
2272 |
qemu_opt_set(opts, "rows", height); |
|
2273 |
} else { |
|
2274 |
goto fail; |
|
2275 |
}
|
|
2276 |
}
|
|
2277 |
return opts; |
|
2278 |
}
|
|
2279 |
if (strcmp(filename, "con:") == 0) { |
|
2280 |
qemu_opt_set(opts, "backend", "console"); |
|
2281 |
return opts; |
|
2282 |
}
|
|
2283 |
if (strstart(filename, "COM", NULL)) { |
|
2284 |
qemu_opt_set(opts, "backend", "serial"); |
|
2285 |
qemu_opt_set(opts, "path", filename); |
|
2286 |
return opts; |
|
2287 |
}
|
|
2288 |
if (strstart(filename, "file:", &p)) { |
|
2289 |
qemu_opt_set(opts, "backend", "file"); |
|
2290 |
qemu_opt_set(opts, "path", p); |
|
2291 |
return opts; |
|
2292 |
}
|
|
2293 |
if (strstart(filename, "pipe:", &p)) { |
|
2294 |
qemu_opt_set(opts, "backend", "pipe"); |
|
2295 |
qemu_opt_set(opts, "path", p); |
|
2296 |
return opts; |
|
2297 |
}
|
|
2298 |
if (strstart(filename, "tcp:", &p) || |
|
2299 |
strstart(filename, "telnet:", &p)) { |
|
2300 |
if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
|
2301 |
host[0] = 0; |
|
2302 |
if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) |
|
2303 |
goto fail; |
|
2304 |
}
|
|
2305 |
qemu_opt_set(opts, "backend", "socket"); |
|
2306 |
qemu_opt_set(opts, "host", host); |
|
2307 |
qemu_opt_set(opts, "port", port); |
|
2308 |
if (p[pos] == ',') { |
|
2309 |
if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) |
|
2310 |
goto fail; |
|
2311 |
}
|
|
2312 |
if (strstart(filename, "telnet:", &p)) |
|
2313 |
qemu_opt_set(opts, "telnet", "on"); |
|
2314 |
return opts; |
|
2315 |
}
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2316 |
if (strstart(filename, "udp:", &p)) { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2317 |
qemu_opt_set(opts, "backend", "udp"); |
2318 |
if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
|
2319 |
host[0] = 0; |
|
2320 |
if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
|
2321 |
fprintf(stderr, "udp #1\n"); |
|
2322 |
goto fail; |
|
2323 |
}
|
|
2324 |
}
|
|
2325 |
qemu_opt_set(opts, "host", host); |
|
2326 |
qemu_opt_set(opts, "port", port); |
|
2327 |
if (p[pos] == '@') { |
|
2328 |
p += pos + 1; |
|
2329 |
if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
|
2330 |
host[0] = 0; |
|
2331 |
if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
|
2332 |
fprintf(stderr, "udp #2\n"); |
|
2333 |
goto fail; |
|
2334 |
}
|
|
2335 |
}
|
|
2336 |
qemu_opt_set(opts, "localaddr", host); |
|
2337 |
qemu_opt_set(opts, "localport", port); |
|
2338 |
}
|
|
2339 |
return opts; |
|
2340 |
}
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2341 |
if (strstart(filename, "unix:", &p)) { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2342 |
qemu_opt_set(opts, "backend", "socket"); |
2343 |
if (qemu_opts_do_parse(opts, p, "path") != 0) |
|
2344 |
goto fail; |
|
2345 |
return opts; |
|
2346 |
}
|
|
2347 |
if (strstart(filename, "/dev/parport", NULL) || |
|
2348 |
strstart(filename, "/dev/ppi", NULL)) { |
|
2349 |
qemu_opt_set(opts, "backend", "parport"); |
|
2350 |
qemu_opt_set(opts, "path", filename); |
|
2351 |
return opts; |
|
2352 |
}
|
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2353 |
if (strstart(filename, "/dev/", NULL)) { |
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2354 |
qemu_opt_set(opts, "backend", "tty"); |
2355 |
qemu_opt_set(opts, "path", filename); |
|
2356 |
return opts; |
|
2357 |
}
|
|
2358 |
||
2359 |
fail: |
|
2360 |
fprintf(stderr, "%s: fail on \"%s\"\n", __FUNCTION__, filename); |
|
2361 |
qemu_opts_del(opts); |
|
2362 |
return NULL; |
|
2363 |
}
|
|
2364 |
||
2365 |
static const struct { |
|
2366 |
const char *name; |
|
2367 |
CharDriverState *(*open)(QemuOpts *opts); |
|
2368 |
} backend_table[] = { |
|
2369 |
{ .name = "null", .open = qemu_chr_open_null }, |
|
2370 |
{ .name = "socket", .open = qemu_chr_open_socket }, |
|
2371 |
{ .name = "udp", .open = qemu_chr_open_udp }, |
|
2372 |
{ .name = "msmouse", .open = qemu_chr_open_msmouse }, |
|
2373 |
{ .name = "vc", .open = text_console_init }, |
|
2374 |
#ifdef _WIN32
|
|
2375 |
{ .name = "file", .open = qemu_chr_open_win_file_out }, |
|
2376 |
{ .name = "pipe", .open = qemu_chr_open_win_pipe }, |
|
2377 |
{ .name = "console", .open = qemu_chr_open_win_con }, |
|
2378 |
{ .name = "serial", .open = qemu_chr_open_win }, |
|
2379 |
#else
|
|
2380 |
{ .name = "file", .open = qemu_chr_open_file_out }, |
|
2381 |
{ .name = "pipe", .open = qemu_chr_open_pipe }, |
|
2382 |
{ .name = "pty", .open = qemu_chr_open_pty }, |
|
2383 |
{ .name = "stdio", .open = qemu_chr_open_stdio }, |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2384 |
#endif
|
2385 |
#ifdef CONFIG_BRLAPI
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2386 |
{ .name = "braille", .open = chr_baum_init }, |
2387 |
#endif
|
|
2388 |
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
|
2389 |
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
|
|
2390 |
|| defined(__FreeBSD_kernel__)
|
|
2391 |
{ .name = "tty", .open = qemu_chr_open_tty }, |
|
2392 |
#endif
|
|
2393 |
#if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) \
|
|
2394 |
|| defined(__FreeBSD_kernel__)
|
|
2395 |
{ .name = "parport", .open = qemu_chr_open_pp }, |
|
2396 |
#endif
|
|
2397 |
};
|
|
2398 |
||
2399 |
CharDriverState *qemu_chr_open_opts(QemuOpts *opts, |
|
2400 |
void (*init)(struct CharDriverState *s)) |
|
2401 |
{
|
|
2402 |
CharDriverState *chr; |
|
2403 |
int i; |
|
2404 |
||
2405 |
if (qemu_opts_id(opts) == NULL) { |
|
2406 |
fprintf(stderr, "chardev: no id specified\n"); |
|
2407 |
return NULL; |
|
2408 |
}
|
|
2409 |
||
2410 |
for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
|
2411 |
if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) |
|
2412 |
break; |
|
2413 |
}
|
|
2414 |
if (i == ARRAY_SIZE(backend_table)) { |
|
2415 |
fprintf(stderr, "chardev: backend \"%s\" not found\n", |
|
2416 |
qemu_opt_get(opts, "backend")); |
|
2417 |
return NULL; |
|
2418 |
}
|
|
2419 |
||
2420 |
chr = backend_table[i].open(opts); |
|
2421 |
if (!chr) { |
|
2422 |
fprintf(stderr, "chardev: opening backend \"%s\" failed\n", |
|
2423 |
qemu_opt_get(opts, "backend")); |
|
2424 |
return NULL; |
|
2425 |
}
|
|
2426 |
||
2427 |
if (!chr->filename) |
|
2428 |
chr->filename = qemu_strdup(qemu_opt_get(opts, "backend")); |
|
2429 |
chr->init = init; |
|
2430 |
QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
|
2431 |
||
2432 |
if (qemu_opt_get_bool(opts, "mux", 0)) { |
|
2433 |
CharDriverState *base = chr; |
|
2434 |
int len = strlen(qemu_opts_id(opts)) + 6; |
|
2435 |
base->label = qemu_malloc(len); |
|
2436 |
snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); |
|
2437 |
chr = qemu_chr_open_mux(base); |
|
2438 |
chr->filename = base->filename; |
|
2439 |
QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
|
2440 |
}
|
|
2441 |
chr->label = qemu_strdup(qemu_opts_id(opts)); |
|
2442 |
return chr; |
|
2443 |
}
|
|
2444 |
||
2445 |
CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
|
2446 |
{
|
|
2447 |
const char *p; |
|
2448 |
CharDriverState *chr; |
|
2449 |
QemuOpts *opts; |
|
2450 |
||
2451 |
if (strstart(filename, "chardev:", &p)) { |
|
2452 |
return qemu_chr_find(p); |
|
2453 |
}
|
|
2454 |
||
2455 |
opts = qemu_chr_parse_compat(label, filename); |
|
2456 |
if (!opts) |
|
2457 |
return NULL; |
|
2458 |
||
2459 |
chr = qemu_chr_open_opts(opts, init); |
|
2460 |
if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
|
2461 |
monitor_init(chr, MONITOR_USE_READLINE); |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2462 |
}
|
2463 |
return chr; |
|
2464 |
}
|
|
2465 |
||
2466 |
void qemu_chr_close(CharDriverState *chr) |
|
2467 |
{
|
|
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2468 |
QTAILQ_REMOVE(&chardevs, chr, next); |
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2469 |
if (chr->chr_close) |
2470 |
chr->chr_close(chr); |
|
2471 |
qemu_free(chr->filename); |
|
2472 |
qemu_free(chr->label); |
|
2473 |
qemu_free(chr); |
|
2474 |
}
|
|
2475 |
||
1.1.3
by Dustin Kirkland
Import upstream version 0.12.1.2 |
2476 |
static void qemu_chr_qlist_iter(QObject *obj, void *opaque) |
2477 |
{
|
|
2478 |
QDict *chr_dict; |
|
2479 |
Monitor *mon = opaque; |
|
2480 |
||
2481 |
chr_dict = qobject_to_qdict(obj); |
|
2482 |
monitor_printf(mon, "%s: filename=%s\n", qdict_get_str(chr_dict, "label"), |
|
2483 |
qdict_get_str(chr_dict, "filename")); |
|
2484 |
}
|
|
2485 |
||
2486 |
void qemu_chr_info_print(Monitor *mon, const QObject *ret_data) |
|
2487 |
{
|
|
2488 |
qlist_iter(qobject_to_qlist(ret_data), qemu_chr_qlist_iter, mon); |
|
2489 |
}
|
|
2490 |
||
2491 |
/**
|
|
2492 |
* qemu_chr_info(): Character devices information
|
|
2493 |
*
|
|
2494 |
* Each device is represented by a QDict. The returned QObject is a QList
|
|
2495 |
* of all devices.
|
|
2496 |
*
|
|
2497 |
* The QDict contains the following:
|
|
2498 |
*
|
|
2499 |
* - "label": device's label
|
|
2500 |
* - "filename": device's file
|
|
2501 |
*
|
|
2502 |
* Example:
|
|
2503 |
*
|
|
2504 |
* [ { "label": "monitor", "filename", "stdio" },
|
|
2505 |
* { "label": "serial0", "filename": "vc" } ]
|
|
2506 |
*/
|
|
2507 |
void qemu_chr_info(Monitor *mon, QObject **ret_data) |
|
2508 |
{
|
|
2509 |
QList *chr_list; |
|
2510 |
CharDriverState *chr; |
|
2511 |
||
2512 |
chr_list = qlist_new(); |
|
2513 |
||
2514 |
QTAILQ_FOREACH(chr, &chardevs, next) { |
|
2515 |
QObject *obj = qobject_from_jsonf("{ 'label': %s, 'filename': %s }", |
|
2516 |
chr->label, chr->filename); |
|
2517 |
qlist_append_obj(chr_list, obj); |
|
2518 |
}
|
|
2519 |
||
2520 |
*ret_data = QOBJECT(chr_list); |
|
2521 |
}
|
|
2522 |
||
2523 |
CharDriverState *qemu_chr_find(const char *name) |
|
2524 |
{
|
|
2525 |
CharDriverState *chr; |
|
2526 |
||
2527 |
QTAILQ_FOREACH(chr, &chardevs, next) { |
|
2528 |
if (strcmp(chr->label, name) != 0) |
|
2529 |
continue; |
|
2530 |
return chr; |
|
2531 |
}
|
|
2532 |
return NULL; |
|
1
by Dustin Kirkland
Import upstream version 0.11.0~rc1 |
2533 |
}
|