aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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" |
aliguori | 376253e | 2009-03-05 23:01:23 +0000 | [diff] [blame] | 26 | #include "monitor.h" |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 27 | #include "console.h" |
| 28 | #include "sysemu.h" |
| 29 | #include "qemu-timer.h" |
| 30 | #include "qemu-char.h" |
| 31 | #include "block.h" |
aurel32 | cf3ebac | 2008-11-01 00:53:09 +0000 | [diff] [blame] | 32 | #include "hw/usb.h" |
| 33 | #include "hw/baum.h" |
aurel32 | aa71cf8 | 2009-02-08 15:53:20 +0000 | [diff] [blame] | 34 | #include "hw/msmouse.h" |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 35 | #include "qemu-objects.h" |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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> |
blueswir1 | 24646c7 | 2008-11-07 16:55:48 +0000 | [diff] [blame] | 51 | #include <sys/resource.h> |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 52 | #include <sys/socket.h> |
| 53 | #include <netinet/in.h> |
blueswir1 | 24646c7 | 2008-11-07 16:55:48 +0000 | [diff] [blame] | 54 | #include <net/if.h> |
blueswir1 | 24646c7 | 2008-11-07 16:55:48 +0000 | [diff] [blame] | 55 | #include <arpa/inet.h> |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 56 | #include <dirent.h> |
| 57 | #include <netdb.h> |
| 58 | #include <sys/select.h> |
Juan Quintela | 71e72a1 | 2009-07-27 16:12:56 +0200 | [diff] [blame] | 59 | #ifdef CONFIG_BSD |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 60 | #include <sys/stat.h> |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 61 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 62 | #include <libutil.h> |
blueswir1 | 6972f93 | 2008-11-22 20:49:12 +0000 | [diff] [blame] | 63 | #include <dev/ppbus/ppi.h> |
| 64 | #include <dev/ppbus/ppbconf.h> |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 65 | #if defined(__GLIBC__) |
| 66 | #include <pty.h> |
| 67 | #endif |
blueswir1 | c5e9723 | 2009-03-07 20:06:23 +0000 | [diff] [blame] | 68 | #elif defined(__DragonFly__) |
| 69 | #include <libutil.h> |
| 70 | #include <dev/misc/ppi/ppi.h> |
| 71 | #include <bus/ppbus/ppbconf.h> |
blueswir1 | 24646c7 | 2008-11-07 16:55:48 +0000 | [diff] [blame] | 72 | #else |
| 73 | #include <util.h> |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 74 | #endif |
Aurelien Jarno | bbe813a | 2009-11-30 15:42:59 +0100 | [diff] [blame] | 75 | #else |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 76 | #ifdef __linux__ |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 102 | #define READ_BUF_LEN 4096 |
| 103 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 104 | /***********************************************************/ |
| 105 | /* character device */ |
| 106 | |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 107 | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs = |
| 108 | QTAILQ_HEAD_INITIALIZER(chardevs); |
aliguori | 2970a6c | 2009-03-05 22:59:58 +0000 | [diff] [blame] | 109 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 117 | static void qemu_chr_generic_open_bh(void *opaque) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 118 | { |
| 119 | CharDriverState *s = opaque; |
Anthony Liguori | f7cbc08 | 2009-10-27 10:14:50 -0500 | [diff] [blame] | 120 | qemu_chr_event(s, CHR_EVENT_OPENED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 121 | qemu_bh_delete(s->bh); |
| 122 | s->bh = NULL; |
| 123 | } |
| 124 | |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 125 | void qemu_chr_generic_open(CharDriverState *s) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 126 | { |
Amit Shah | 69795d6 | 2009-10-07 18:31:15 +0530 | [diff] [blame] | 127 | if (s->bh == NULL) { |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 128 | s->bh = qemu_bh_new(qemu_chr_generic_open_bh, s); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 157 | int qemu_chr_get_msgfd(CharDriverState *s) |
| 158 | { |
| 159 | return s->get_msgfd ? s->get_msgfd(s) : -1; |
| 160 | } |
| 161 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | { |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 170 | char buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 203 | static CharDriverState *qemu_chr_open_null(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 204 | { |
| 205 | CharDriverState *chr; |
| 206 | |
| 207 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 208 | chr->chr_write = null_chr_write; |
| 209 | return chr; |
| 210 | } |
| 211 | |
| 212 | /* MUX driver for serial I/O splitting */ |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 222 | int focus; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 223 | int mux_cnt; |
| 224 | int term_got_escape; |
| 225 | int max_size; |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 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]; |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 232 | int timestamps; |
Jan Kiszka | 4ab312f | 2009-06-15 22:25:34 +0200 | [diff] [blame] | 233 | int linestart; |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 234 | int64_t timestamps_start; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 242 | if (!d->timestamps) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 243 | ret = d->drv->chr_write(d->drv, buf, len); |
| 244 | } else { |
| 245 | int i; |
| 246 | |
| 247 | ret = 0; |
Jan Kiszka | 4ab312f | 2009-06-15 22:25:34 +0200 | [diff] [blame] | 248 | for (i = 0; i < len; i++) { |
| 249 | if (d->linestart) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 250 | char buf1[64]; |
| 251 | int64_t ti; |
| 252 | int secs; |
| 253 | |
| 254 | ti = qemu_get_clock(rt_clock); |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 255 | if (d->timestamps_start == -1) |
| 256 | d->timestamps_start = ti; |
| 257 | ti -= d->timestamps_start; |
aliguori | a4bb1db | 2009-01-22 17:15:16 +0000 | [diff] [blame] | 258 | secs = ti / 1000; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 259 | snprintf(buf1, sizeof(buf1), |
| 260 | "[%02d:%02d:%02d.%03d] ", |
| 261 | secs / 3600, |
| 262 | (secs / 60) % 60, |
| 263 | secs % 60, |
aliguori | a4bb1db | 2009-01-22 17:15:16 +0000 | [diff] [blame] | 264 | (int)(ti % 1000)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 265 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
Jan Kiszka | 4ab312f | 2009-06-15 22:25:34 +0200 | [diff] [blame] | 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; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
aliguori | 2724b18 | 2009-03-05 23:01:47 +0000 | [diff] [blame] | 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 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | { |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 340 | DriveInfo *dinfo; |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 341 | QTAILQ_FOREACH(dinfo, &drives, next) { |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 342 | bdrv_commit(dinfo->bdrv); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 */ |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 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); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 356 | break; |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 357 | case 't': |
| 358 | d->timestamps = !d->timestamps; |
| 359 | d->timestamps_start = -1; |
Jan Kiszka | 4ab312f | 2009-06-15 22:25:34 +0200 | [diff] [blame] | 360 | d->linestart = 0; |
Jan Kiszka | 2d22959 | 2009-06-15 22:25:30 +0200 | [diff] [blame] | 361 | break; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 374 | MuxDriver *d = chr->opaque; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 375 | int m = d->focus; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 376 | |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 377 | while (d->prod[m] != d->cons[m] && |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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], |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 381 | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 382 | } |
| 383 | } |
| 384 | |
| 385 | static int mux_chr_can_read(void *opaque) |
| 386 | { |
| 387 | CharDriverState *chr = opaque; |
| 388 | MuxDriver *d = chr->opaque; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 389 | int m = d->focus; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 390 | |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 391 | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 392 | return 1; |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 393 | if (d->chr_can_read[m]) |
| 394 | return d->chr_can_read[m](d->ext_opaque[m]); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 402 | int m = d->focus; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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])) { |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 409 | if (d->prod[m] == d->cons[m] && |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 |
aliguori | a80bf99 | 2009-03-05 23:00:02 +0000 | [diff] [blame] | 414 | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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++) |
aliguori | 2724b18 | 2009-03-05 23:01:47 +0000 | [diff] [blame] | 426 | mux_chr_send_event(d, i, event); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | } |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 446 | if (d->focus != -1) { |
| 447 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
Gerd Hoffmann | a7aec5d | 2009-09-10 10:58:54 +0200 | [diff] [blame] | 448 | } |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 449 | d->focus = d->mux_cnt; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 450 | d->mux_cnt++; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 451 | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 460 | d = qemu_mallocz(sizeof(MuxDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 461 | |
| 462 | chr->opaque = d; |
| 463 | d->drv = drv; |
Gerd Hoffmann | 799f1f2 | 2009-09-10 10:58:55 +0200 | [diff] [blame] | 464 | d->focus = -1; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 473 | int send_all(int fd, const void *buf, int len1) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 474 | { |
| 475 | int ret, len; |
| 476 | |
| 477 | len = len1; |
| 478 | while (len > 0) { |
| 479 | ret = send(fd, buf, len, 0); |
| 480 | if (ret < 0) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
aliguori | d247d25 | 2008-11-11 20:46:40 +0000 | [diff] [blame] | 517 | int send_all(int fd, const void *buf, int len1) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 553 | uint8_t buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 564 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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) { |
Anthony Liguori | 993fbfd | 2009-05-21 16:54:00 -0500 | [diff] [blame] | 577 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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) { |
Anthony Liguori | 993fbfd | 2009-05-21 16:54:00 -0500 | [diff] [blame] | 590 | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 591 | } else { |
| 592 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | qemu_free(s); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 597 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 607 | s = qemu_mallocz(sizeof(FDCharDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 615 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 616 | |
| 617 | return chr; |
| 618 | } |
| 619 | |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 620 | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 621 | { |
| 622 | int fd_out; |
| 623 | |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 624 | TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"), |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 625 | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 626 | if (fd_out < 0) |
| 627 | return NULL; |
| 628 | return qemu_chr_open_fd(-1, fd_out); |
| 629 | } |
| 630 | |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 631 | static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 632 | { |
| 633 | int fd_in, fd_out; |
| 634 | char filename_in[256], filename_out[256]; |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 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 | } |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 641 | |
| 642 | snprintf(filename_in, 256, "%s.in", filename); |
| 643 | snprintf(filename_out, 256, "%s.out", filename); |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 644 | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
| 645 | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 693 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Kusanagi Kouichi | 5989020 | 2009-10-16 22:31:38 +0900 | [diff] [blame] | 716 | static void term_init(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 */ |
Kusanagi Kouichi | 5989020 | 2009-10-16 22:31:38 +0900 | [diff] [blame] | 729 | if (!qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC)) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Gerd Hoffmann | 3c17aff | 2009-09-10 10:58:44 +0200 | [diff] [blame] | 752 | static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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++; |
Kusanagi Kouichi | 5989020 | 2009-10-16 22:31:38 +0900 | [diff] [blame] | 762 | term_init(opts); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 763 | |
| 764 | return chr; |
| 765 | } |
| 766 | |
| 767 | #ifdef __sun__ |
| 768 | /* Once Solaris has openpty(), this is going to be removed. */ |
blueswir1 | 3f4cb3d | 2009-04-13 16:31:01 +0000 | [diff] [blame] | 769 | static int openpty(int *amaster, int *aslave, char *name, |
| 770 | struct termios *termp, struct winsize *winp) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
blueswir1 | 3f4cb3d | 2009-04-13 16:31:01 +0000 | [diff] [blame] | 810 | static void cfmakeraw (struct termios *termios_p) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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__) \ |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 825 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
| 826 | || defined(__GLIBC__) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 865 | uint8_t buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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) |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 916 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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); |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 945 | qemu_del_timer(s->timer); |
| 946 | qemu_free_timer(s->timer); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 947 | qemu_free(s); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 948 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 949 | } |
| 950 | |
Gerd Hoffmann | 4490dad | 2009-09-10 10:58:43 +0200 | [diff] [blame] | 951 | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 952 | { |
| 953 | CharDriverState *chr; |
| 954 | PtyCharDriver *s; |
| 955 | struct termios tty; |
| 956 | int slave_fd, len; |
blueswir1 | c5e9723 | 2009-03-07 20:06:23 +0000 | [diff] [blame] | 957 | #if defined(__OpenBSD__) || defined(__DragonFly__) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 966 | s = qemu_mallocz(sizeof(PtyCharDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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. */ |
aliguori | c3b972c | 2008-11-12 15:00:36 +0000 | [diff] [blame] | 973 | tcgetattr(slave_fd, &tty); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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)); |
Gerd Hoffmann | 4490dad | 2009-09-10 10:58:43 +0200 | [diff] [blame] | 981 | qemu_opt_set(opts, "path", q_ptsname(s->fd)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Stefan Weil | 45eea13 | 2009-10-26 16:10:10 +0100 | [diff] [blame] | 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 |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1066 | spd = B115200; |
Stefan Weil | 45eea13 | 2009-10-26 16:10:10 +0100 | [diff] [blame] | 1067 | } while (0); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1134 | if (sarg & TIOCM_CTS) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1135 | *targ |= CHR_TIOCM_CTS; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1136 | if (sarg & TIOCM_CAR) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1137 | *targ |= CHR_TIOCM_CAR; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1138 | if (sarg & TIOCM_DSR) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1139 | *targ |= CHR_TIOCM_DSR; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1140 | if (sarg & TIOCM_RI) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1141 | *targ |= CHR_TIOCM_RI; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1142 | if (sarg & TIOCM_DTR) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1143 | *targ |= CHR_TIOCM_DTR; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1144 | if (sarg & TIOCM_RTS) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 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) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1164 | targ |= TIOCM_DTR; |
aurel32 | b4abdfa | 2009-02-08 14:46:17 +0000 | [diff] [blame] | 1165 | if (sarg & CHR_TIOCM_RTS) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 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 | |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1176 | static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1177 | { |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1178 | const char *filename = qemu_opt_get(opts, "path"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1179 | CharDriverState *chr; |
| 1180 | int fd; |
| 1181 | |
| 1182 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
| 1183 | tty_serial_init(fd, 115200, 'N', 8, 1); |
| 1184 | chr = qemu_chr_open_fd(fd, fd); |
| 1185 | if (!chr) { |
| 1186 | close(fd); |
| 1187 | return NULL; |
| 1188 | } |
| 1189 | chr->chr_ioctl = tty_serial_ioctl; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1190 | return chr; |
| 1191 | } |
| 1192 | #else /* ! __linux__ && ! __sun__ */ |
| 1193 | static CharDriverState *qemu_chr_open_pty(void) |
| 1194 | { |
| 1195 | return NULL; |
| 1196 | } |
| 1197 | #endif /* __linux__ || __sun__ */ |
| 1198 | |
| 1199 | #if defined(__linux__) |
| 1200 | typedef struct { |
| 1201 | int fd; |
| 1202 | int mode; |
| 1203 | } ParallelCharDriver; |
| 1204 | |
| 1205 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
| 1206 | { |
| 1207 | if (s->mode != mode) { |
| 1208 | int m = mode; |
| 1209 | if (ioctl(s->fd, PPSETMODE, &m) < 0) |
| 1210 | return 0; |
| 1211 | s->mode = mode; |
| 1212 | } |
| 1213 | return 1; |
| 1214 | } |
| 1215 | |
| 1216 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 1217 | { |
| 1218 | ParallelCharDriver *drv = chr->opaque; |
| 1219 | int fd = drv->fd; |
| 1220 | uint8_t b; |
| 1221 | |
| 1222 | switch(cmd) { |
| 1223 | case CHR_IOCTL_PP_READ_DATA: |
| 1224 | if (ioctl(fd, PPRDATA, &b) < 0) |
| 1225 | return -ENOTSUP; |
| 1226 | *(uint8_t *)arg = b; |
| 1227 | break; |
| 1228 | case CHR_IOCTL_PP_WRITE_DATA: |
| 1229 | b = *(uint8_t *)arg; |
| 1230 | if (ioctl(fd, PPWDATA, &b) < 0) |
| 1231 | return -ENOTSUP; |
| 1232 | break; |
| 1233 | case CHR_IOCTL_PP_READ_CONTROL: |
| 1234 | if (ioctl(fd, PPRCONTROL, &b) < 0) |
| 1235 | return -ENOTSUP; |
| 1236 | /* Linux gives only the lowest bits, and no way to know data |
| 1237 | direction! For better compatibility set the fixed upper |
| 1238 | bits. */ |
| 1239 | *(uint8_t *)arg = b | 0xc0; |
| 1240 | break; |
| 1241 | case CHR_IOCTL_PP_WRITE_CONTROL: |
| 1242 | b = *(uint8_t *)arg; |
| 1243 | if (ioctl(fd, PPWCONTROL, &b) < 0) |
| 1244 | return -ENOTSUP; |
| 1245 | break; |
| 1246 | case CHR_IOCTL_PP_READ_STATUS: |
| 1247 | if (ioctl(fd, PPRSTATUS, &b) < 0) |
| 1248 | return -ENOTSUP; |
| 1249 | *(uint8_t *)arg = b; |
| 1250 | break; |
| 1251 | case CHR_IOCTL_PP_DATA_DIR: |
| 1252 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
| 1253 | return -ENOTSUP; |
| 1254 | break; |
| 1255 | case CHR_IOCTL_PP_EPP_READ_ADDR: |
| 1256 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
| 1257 | struct ParallelIOArg *parg = arg; |
| 1258 | int n = read(fd, parg->buffer, parg->count); |
| 1259 | if (n != parg->count) { |
| 1260 | return -EIO; |
| 1261 | } |
| 1262 | } |
| 1263 | break; |
| 1264 | case CHR_IOCTL_PP_EPP_READ: |
| 1265 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
| 1266 | struct ParallelIOArg *parg = arg; |
| 1267 | int n = read(fd, parg->buffer, parg->count); |
| 1268 | if (n != parg->count) { |
| 1269 | return -EIO; |
| 1270 | } |
| 1271 | } |
| 1272 | break; |
| 1273 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: |
| 1274 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { |
| 1275 | struct ParallelIOArg *parg = arg; |
| 1276 | int n = write(fd, parg->buffer, parg->count); |
| 1277 | if (n != parg->count) { |
| 1278 | return -EIO; |
| 1279 | } |
| 1280 | } |
| 1281 | break; |
| 1282 | case CHR_IOCTL_PP_EPP_WRITE: |
| 1283 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { |
| 1284 | struct ParallelIOArg *parg = arg; |
| 1285 | int n = write(fd, parg->buffer, parg->count); |
| 1286 | if (n != parg->count) { |
| 1287 | return -EIO; |
| 1288 | } |
| 1289 | } |
| 1290 | break; |
| 1291 | default: |
| 1292 | return -ENOTSUP; |
| 1293 | } |
| 1294 | return 0; |
| 1295 | } |
| 1296 | |
| 1297 | static void pp_close(CharDriverState *chr) |
| 1298 | { |
| 1299 | ParallelCharDriver *drv = chr->opaque; |
| 1300 | int fd = drv->fd; |
| 1301 | |
| 1302 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
| 1303 | ioctl(fd, PPRELEASE); |
| 1304 | close(fd); |
| 1305 | qemu_free(drv); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 1306 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1307 | } |
| 1308 | |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1309 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1310 | { |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1311 | const char *filename = qemu_opt_get(opts, "path"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1312 | CharDriverState *chr; |
| 1313 | ParallelCharDriver *drv; |
| 1314 | int fd; |
| 1315 | |
| 1316 | TFR(fd = open(filename, O_RDWR)); |
| 1317 | if (fd < 0) |
| 1318 | return NULL; |
| 1319 | |
| 1320 | if (ioctl(fd, PPCLAIM) < 0) { |
| 1321 | close(fd); |
| 1322 | return NULL; |
| 1323 | } |
| 1324 | |
| 1325 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1326 | drv->fd = fd; |
| 1327 | drv->mode = IEEE1284_MODE_COMPAT; |
| 1328 | |
| 1329 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1330 | chr->chr_write = null_chr_write; |
| 1331 | chr->chr_ioctl = pp_ioctl; |
| 1332 | chr->chr_close = pp_close; |
| 1333 | chr->opaque = drv; |
| 1334 | |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 1335 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1336 | |
| 1337 | return chr; |
| 1338 | } |
| 1339 | #endif /* __linux__ */ |
| 1340 | |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 1341 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
blueswir1 | 6972f93 | 2008-11-22 20:49:12 +0000 | [diff] [blame] | 1342 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
| 1343 | { |
| 1344 | int fd = (int)chr->opaque; |
| 1345 | uint8_t b; |
| 1346 | |
| 1347 | switch(cmd) { |
| 1348 | case CHR_IOCTL_PP_READ_DATA: |
| 1349 | if (ioctl(fd, PPIGDATA, &b) < 0) |
| 1350 | return -ENOTSUP; |
| 1351 | *(uint8_t *)arg = b; |
| 1352 | break; |
| 1353 | case CHR_IOCTL_PP_WRITE_DATA: |
| 1354 | b = *(uint8_t *)arg; |
| 1355 | if (ioctl(fd, PPISDATA, &b) < 0) |
| 1356 | return -ENOTSUP; |
| 1357 | break; |
| 1358 | case CHR_IOCTL_PP_READ_CONTROL: |
| 1359 | if (ioctl(fd, PPIGCTRL, &b) < 0) |
| 1360 | return -ENOTSUP; |
| 1361 | *(uint8_t *)arg = b; |
| 1362 | break; |
| 1363 | case CHR_IOCTL_PP_WRITE_CONTROL: |
| 1364 | b = *(uint8_t *)arg; |
| 1365 | if (ioctl(fd, PPISCTRL, &b) < 0) |
| 1366 | return -ENOTSUP; |
| 1367 | break; |
| 1368 | case CHR_IOCTL_PP_READ_STATUS: |
| 1369 | if (ioctl(fd, PPIGSTATUS, &b) < 0) |
| 1370 | return -ENOTSUP; |
| 1371 | *(uint8_t *)arg = b; |
| 1372 | break; |
| 1373 | default: |
| 1374 | return -ENOTSUP; |
| 1375 | } |
| 1376 | return 0; |
| 1377 | } |
| 1378 | |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1379 | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts) |
blueswir1 | 6972f93 | 2008-11-22 20:49:12 +0000 | [diff] [blame] | 1380 | { |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1381 | const char *filename = qemu_opt_get(opts, "path"); |
blueswir1 | 6972f93 | 2008-11-22 20:49:12 +0000 | [diff] [blame] | 1382 | CharDriverState *chr; |
| 1383 | int fd; |
| 1384 | |
| 1385 | fd = open(filename, O_RDWR); |
| 1386 | if (fd < 0) |
| 1387 | return NULL; |
| 1388 | |
| 1389 | chr = qemu_mallocz(sizeof(CharDriverState)); |
blueswir1 | 6972f93 | 2008-11-22 20:49:12 +0000 | [diff] [blame] | 1390 | chr->opaque = (void *)fd; |
| 1391 | chr->chr_write = null_chr_write; |
| 1392 | chr->chr_ioctl = pp_ioctl; |
| 1393 | return chr; |
| 1394 | } |
| 1395 | #endif |
| 1396 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1397 | #else /* _WIN32 */ |
| 1398 | |
| 1399 | typedef struct { |
| 1400 | int max_size; |
| 1401 | HANDLE hcom, hrecv, hsend; |
| 1402 | OVERLAPPED orecv, osend; |
| 1403 | BOOL fpipe; |
| 1404 | DWORD len; |
| 1405 | } WinCharState; |
| 1406 | |
| 1407 | #define NSENDBUF 2048 |
| 1408 | #define NRECVBUF 2048 |
| 1409 | #define MAXCONNECT 1 |
| 1410 | #define NTIMEOUT 5000 |
| 1411 | |
| 1412 | static int win_chr_poll(void *opaque); |
| 1413 | static int win_chr_pipe_poll(void *opaque); |
| 1414 | |
| 1415 | static void win_chr_close(CharDriverState *chr) |
| 1416 | { |
| 1417 | WinCharState *s = chr->opaque; |
| 1418 | |
| 1419 | if (s->hsend) { |
| 1420 | CloseHandle(s->hsend); |
| 1421 | s->hsend = NULL; |
| 1422 | } |
| 1423 | if (s->hrecv) { |
| 1424 | CloseHandle(s->hrecv); |
| 1425 | s->hrecv = NULL; |
| 1426 | } |
| 1427 | if (s->hcom) { |
| 1428 | CloseHandle(s->hcom); |
| 1429 | s->hcom = NULL; |
| 1430 | } |
| 1431 | if (s->fpipe) |
| 1432 | qemu_del_polling_cb(win_chr_pipe_poll, chr); |
| 1433 | else |
| 1434 | qemu_del_polling_cb(win_chr_poll, chr); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 1435 | |
| 1436 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1437 | } |
| 1438 | |
| 1439 | static int win_chr_init(CharDriverState *chr, const char *filename) |
| 1440 | { |
| 1441 | WinCharState *s = chr->opaque; |
| 1442 | COMMCONFIG comcfg; |
| 1443 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
| 1444 | COMSTAT comstat; |
| 1445 | DWORD size; |
| 1446 | DWORD err; |
| 1447 | |
| 1448 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 1449 | if (!s->hsend) { |
| 1450 | fprintf(stderr, "Failed CreateEvent\n"); |
| 1451 | goto fail; |
| 1452 | } |
| 1453 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 1454 | if (!s->hrecv) { |
| 1455 | fprintf(stderr, "Failed CreateEvent\n"); |
| 1456 | goto fail; |
| 1457 | } |
| 1458 | |
| 1459 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
| 1460 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); |
| 1461 | if (s->hcom == INVALID_HANDLE_VALUE) { |
| 1462 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); |
| 1463 | s->hcom = NULL; |
| 1464 | goto fail; |
| 1465 | } |
| 1466 | |
| 1467 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { |
| 1468 | fprintf(stderr, "Failed SetupComm\n"); |
| 1469 | goto fail; |
| 1470 | } |
| 1471 | |
| 1472 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); |
| 1473 | size = sizeof(COMMCONFIG); |
| 1474 | GetDefaultCommConfig(filename, &comcfg, &size); |
| 1475 | comcfg.dcb.DCBlength = sizeof(DCB); |
| 1476 | CommConfigDialog(filename, NULL, &comcfg); |
| 1477 | |
| 1478 | if (!SetCommState(s->hcom, &comcfg.dcb)) { |
| 1479 | fprintf(stderr, "Failed SetCommState\n"); |
| 1480 | goto fail; |
| 1481 | } |
| 1482 | |
| 1483 | if (!SetCommMask(s->hcom, EV_ERR)) { |
| 1484 | fprintf(stderr, "Failed SetCommMask\n"); |
| 1485 | goto fail; |
| 1486 | } |
| 1487 | |
| 1488 | cto.ReadIntervalTimeout = MAXDWORD; |
| 1489 | if (!SetCommTimeouts(s->hcom, &cto)) { |
| 1490 | fprintf(stderr, "Failed SetCommTimeouts\n"); |
| 1491 | goto fail; |
| 1492 | } |
| 1493 | |
| 1494 | if (!ClearCommError(s->hcom, &err, &comstat)) { |
| 1495 | fprintf(stderr, "Failed ClearCommError\n"); |
| 1496 | goto fail; |
| 1497 | } |
| 1498 | qemu_add_polling_cb(win_chr_poll, chr); |
| 1499 | return 0; |
| 1500 | |
| 1501 | fail: |
| 1502 | win_chr_close(chr); |
| 1503 | return -1; |
| 1504 | } |
| 1505 | |
| 1506 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
| 1507 | { |
| 1508 | WinCharState *s = chr->opaque; |
| 1509 | DWORD len, ret, size, err; |
| 1510 | |
| 1511 | len = len1; |
| 1512 | ZeroMemory(&s->osend, sizeof(s->osend)); |
| 1513 | s->osend.hEvent = s->hsend; |
| 1514 | while (len > 0) { |
| 1515 | if (s->hsend) |
| 1516 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
| 1517 | else |
| 1518 | ret = WriteFile(s->hcom, buf, len, &size, NULL); |
| 1519 | if (!ret) { |
| 1520 | err = GetLastError(); |
| 1521 | if (err == ERROR_IO_PENDING) { |
| 1522 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
| 1523 | if (ret) { |
| 1524 | buf += size; |
| 1525 | len -= size; |
| 1526 | } else { |
| 1527 | break; |
| 1528 | } |
| 1529 | } else { |
| 1530 | break; |
| 1531 | } |
| 1532 | } else { |
| 1533 | buf += size; |
| 1534 | len -= size; |
| 1535 | } |
| 1536 | } |
| 1537 | return len1 - len; |
| 1538 | } |
| 1539 | |
| 1540 | static int win_chr_read_poll(CharDriverState *chr) |
| 1541 | { |
| 1542 | WinCharState *s = chr->opaque; |
| 1543 | |
| 1544 | s->max_size = qemu_chr_can_read(chr); |
| 1545 | return s->max_size; |
| 1546 | } |
| 1547 | |
| 1548 | static void win_chr_readfile(CharDriverState *chr) |
| 1549 | { |
| 1550 | WinCharState *s = chr->opaque; |
| 1551 | int ret, err; |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 1552 | uint8_t buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1553 | DWORD size; |
| 1554 | |
| 1555 | ZeroMemory(&s->orecv, sizeof(s->orecv)); |
| 1556 | s->orecv.hEvent = s->hrecv; |
| 1557 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
| 1558 | if (!ret) { |
| 1559 | err = GetLastError(); |
| 1560 | if (err == ERROR_IO_PENDING) { |
| 1561 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
| 1562 | } |
| 1563 | } |
| 1564 | |
| 1565 | if (size > 0) { |
| 1566 | qemu_chr_read(chr, buf, size); |
| 1567 | } |
| 1568 | } |
| 1569 | |
| 1570 | static void win_chr_read(CharDriverState *chr) |
| 1571 | { |
| 1572 | WinCharState *s = chr->opaque; |
| 1573 | |
| 1574 | if (s->len > s->max_size) |
| 1575 | s->len = s->max_size; |
| 1576 | if (s->len == 0) |
| 1577 | return; |
| 1578 | |
| 1579 | win_chr_readfile(chr); |
| 1580 | } |
| 1581 | |
| 1582 | static int win_chr_poll(void *opaque) |
| 1583 | { |
| 1584 | CharDriverState *chr = opaque; |
| 1585 | WinCharState *s = chr->opaque; |
| 1586 | COMSTAT status; |
| 1587 | DWORD comerr; |
| 1588 | |
| 1589 | ClearCommError(s->hcom, &comerr, &status); |
| 1590 | if (status.cbInQue > 0) { |
| 1591 | s->len = status.cbInQue; |
| 1592 | win_chr_read_poll(chr); |
| 1593 | win_chr_read(chr); |
| 1594 | return 1; |
| 1595 | } |
| 1596 | return 0; |
| 1597 | } |
| 1598 | |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1599 | static CharDriverState *qemu_chr_open_win(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1600 | { |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 1601 | const char *filename = qemu_opt_get(opts, "path"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1602 | CharDriverState *chr; |
| 1603 | WinCharState *s; |
| 1604 | |
| 1605 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1606 | s = qemu_mallocz(sizeof(WinCharState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1607 | chr->opaque = s; |
| 1608 | chr->chr_write = win_chr_write; |
| 1609 | chr->chr_close = win_chr_close; |
| 1610 | |
| 1611 | if (win_chr_init(chr, filename) < 0) { |
| 1612 | free(s); |
| 1613 | free(chr); |
| 1614 | return NULL; |
| 1615 | } |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 1616 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1617 | return chr; |
| 1618 | } |
| 1619 | |
| 1620 | static int win_chr_pipe_poll(void *opaque) |
| 1621 | { |
| 1622 | CharDriverState *chr = opaque; |
| 1623 | WinCharState *s = chr->opaque; |
| 1624 | DWORD size; |
| 1625 | |
| 1626 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
| 1627 | if (size > 0) { |
| 1628 | s->len = size; |
| 1629 | win_chr_read_poll(chr); |
| 1630 | win_chr_read(chr); |
| 1631 | return 1; |
| 1632 | } |
| 1633 | return 0; |
| 1634 | } |
| 1635 | |
| 1636 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
| 1637 | { |
| 1638 | WinCharState *s = chr->opaque; |
| 1639 | OVERLAPPED ov; |
| 1640 | int ret; |
| 1641 | DWORD size; |
| 1642 | char openname[256]; |
| 1643 | |
| 1644 | s->fpipe = TRUE; |
| 1645 | |
| 1646 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 1647 | if (!s->hsend) { |
| 1648 | fprintf(stderr, "Failed CreateEvent\n"); |
| 1649 | goto fail; |
| 1650 | } |
| 1651 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 1652 | if (!s->hrecv) { |
| 1653 | fprintf(stderr, "Failed CreateEvent\n"); |
| 1654 | goto fail; |
| 1655 | } |
| 1656 | |
| 1657 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
| 1658 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
| 1659 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
| 1660 | PIPE_WAIT, |
| 1661 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); |
| 1662 | if (s->hcom == INVALID_HANDLE_VALUE) { |
| 1663 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); |
| 1664 | s->hcom = NULL; |
| 1665 | goto fail; |
| 1666 | } |
| 1667 | |
| 1668 | ZeroMemory(&ov, sizeof(ov)); |
| 1669 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 1670 | ret = ConnectNamedPipe(s->hcom, &ov); |
| 1671 | if (ret) { |
| 1672 | fprintf(stderr, "Failed ConnectNamedPipe\n"); |
| 1673 | goto fail; |
| 1674 | } |
| 1675 | |
| 1676 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
| 1677 | if (!ret) { |
| 1678 | fprintf(stderr, "Failed GetOverlappedResult\n"); |
| 1679 | if (ov.hEvent) { |
| 1680 | CloseHandle(ov.hEvent); |
| 1681 | ov.hEvent = NULL; |
| 1682 | } |
| 1683 | goto fail; |
| 1684 | } |
| 1685 | |
| 1686 | if (ov.hEvent) { |
| 1687 | CloseHandle(ov.hEvent); |
| 1688 | ov.hEvent = NULL; |
| 1689 | } |
| 1690 | qemu_add_polling_cb(win_chr_pipe_poll, chr); |
| 1691 | return 0; |
| 1692 | |
| 1693 | fail: |
| 1694 | win_chr_close(chr); |
| 1695 | return -1; |
| 1696 | } |
| 1697 | |
| 1698 | |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 1699 | static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1700 | { |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 1701 | const char *filename = qemu_opt_get(opts, "path"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1702 | CharDriverState *chr; |
| 1703 | WinCharState *s; |
| 1704 | |
| 1705 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1706 | s = qemu_mallocz(sizeof(WinCharState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1707 | chr->opaque = s; |
| 1708 | chr->chr_write = win_chr_write; |
| 1709 | chr->chr_close = win_chr_close; |
| 1710 | |
| 1711 | if (win_chr_pipe_init(chr, filename) < 0) { |
| 1712 | free(s); |
| 1713 | free(chr); |
| 1714 | return NULL; |
| 1715 | } |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 1716 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1717 | return chr; |
| 1718 | } |
| 1719 | |
| 1720 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) |
| 1721 | { |
| 1722 | CharDriverState *chr; |
| 1723 | WinCharState *s; |
| 1724 | |
| 1725 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1726 | s = qemu_mallocz(sizeof(WinCharState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1727 | s->hcom = fd_out; |
| 1728 | chr->opaque = s; |
| 1729 | chr->chr_write = win_chr_write; |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 1730 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1731 | return chr; |
| 1732 | } |
| 1733 | |
Gerd Hoffmann | d6c983c | 2009-09-10 10:58:47 +0200 | [diff] [blame] | 1734 | static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1735 | { |
| 1736 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); |
| 1737 | } |
| 1738 | |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 1739 | static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1740 | { |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 1741 | const char *file_out = qemu_opt_get(opts, "path"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1742 | HANDLE fd_out; |
| 1743 | |
| 1744 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, |
| 1745 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
| 1746 | if (fd_out == INVALID_HANDLE_VALUE) |
| 1747 | return NULL; |
| 1748 | |
| 1749 | return qemu_chr_open_win_file(fd_out); |
| 1750 | } |
| 1751 | #endif /* !_WIN32 */ |
| 1752 | |
| 1753 | /***********************************************************/ |
| 1754 | /* UDP Net console */ |
| 1755 | |
| 1756 | typedef struct { |
| 1757 | int fd; |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 1758 | uint8_t buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1759 | int bufcnt; |
| 1760 | int bufptr; |
| 1761 | int max_size; |
| 1762 | } NetCharDriver; |
| 1763 | |
| 1764 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1765 | { |
| 1766 | NetCharDriver *s = chr->opaque; |
| 1767 | |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 1768 | return send(s->fd, (const void *)buf, len, 0); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1769 | } |
| 1770 | |
| 1771 | static int udp_chr_read_poll(void *opaque) |
| 1772 | { |
| 1773 | CharDriverState *chr = opaque; |
| 1774 | NetCharDriver *s = chr->opaque; |
| 1775 | |
| 1776 | s->max_size = qemu_chr_can_read(chr); |
| 1777 | |
| 1778 | /* If there were any stray characters in the queue process them |
| 1779 | * first |
| 1780 | */ |
| 1781 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 1782 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
| 1783 | s->bufptr++; |
| 1784 | s->max_size = qemu_chr_can_read(chr); |
| 1785 | } |
| 1786 | return s->max_size; |
| 1787 | } |
| 1788 | |
| 1789 | static void udp_chr_read(void *opaque) |
| 1790 | { |
| 1791 | CharDriverState *chr = opaque; |
| 1792 | NetCharDriver *s = chr->opaque; |
| 1793 | |
| 1794 | if (s->max_size == 0) |
| 1795 | return; |
Blue Swirl | c5b76b3 | 2009-06-13 08:44:31 +0000 | [diff] [blame] | 1796 | s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1797 | s->bufptr = s->bufcnt; |
| 1798 | if (s->bufcnt <= 0) |
| 1799 | return; |
| 1800 | |
| 1801 | s->bufptr = 0; |
| 1802 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
| 1803 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); |
| 1804 | s->bufptr++; |
| 1805 | s->max_size = qemu_chr_can_read(chr); |
| 1806 | } |
| 1807 | } |
| 1808 | |
| 1809 | static void udp_chr_update_read_handler(CharDriverState *chr) |
| 1810 | { |
| 1811 | NetCharDriver *s = chr->opaque; |
| 1812 | |
| 1813 | if (s->fd >= 0) { |
| 1814 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
| 1815 | udp_chr_read, NULL, chr); |
| 1816 | } |
| 1817 | } |
| 1818 | |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 1819 | static void udp_chr_close(CharDriverState *chr) |
| 1820 | { |
| 1821 | NetCharDriver *s = chr->opaque; |
| 1822 | if (s->fd >= 0) { |
| 1823 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 1824 | closesocket(s->fd); |
| 1825 | } |
| 1826 | qemu_free(s); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 1827 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 1828 | } |
| 1829 | |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 1830 | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1831 | { |
| 1832 | CharDriverState *chr = NULL; |
| 1833 | NetCharDriver *s = NULL; |
| 1834 | int fd = -1; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1835 | |
| 1836 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1837 | s = qemu_mallocz(sizeof(NetCharDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1838 | |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 1839 | fd = inet_dgram_opts(opts); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1840 | if (fd < 0) { |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 1841 | fprintf(stderr, "inet_dgram_opts failed\n"); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1842 | goto return_err; |
| 1843 | } |
| 1844 | |
| 1845 | s->fd = fd; |
| 1846 | s->bufcnt = 0; |
| 1847 | s->bufptr = 0; |
| 1848 | chr->opaque = s; |
| 1849 | chr->chr_write = udp_chr_write; |
| 1850 | chr->chr_update_read_handler = udp_chr_update_read_handler; |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 1851 | chr->chr_close = udp_chr_close; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1852 | return chr; |
| 1853 | |
| 1854 | return_err: |
| 1855 | if (chr) |
| 1856 | free(chr); |
| 1857 | if (s) |
| 1858 | free(s); |
| 1859 | if (fd >= 0) |
| 1860 | closesocket(fd); |
| 1861 | return NULL; |
| 1862 | } |
| 1863 | |
| 1864 | /***********************************************************/ |
| 1865 | /* TCP Net console */ |
| 1866 | |
| 1867 | typedef struct { |
| 1868 | int fd, listen_fd; |
| 1869 | int connected; |
| 1870 | int max_size; |
| 1871 | int do_telnetopt; |
| 1872 | int do_nodelay; |
| 1873 | int is_unix; |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 1874 | int msgfd; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 1875 | } TCPCharDriver; |
| 1876 | |
| 1877 | static void tcp_chr_accept(void *opaque); |
| 1878 | |
| 1879 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1880 | { |
| 1881 | TCPCharDriver *s = chr->opaque; |
| 1882 | if (s->connected) { |
| 1883 | return send_all(s->fd, buf, len); |
| 1884 | } else { |
| 1885 | /* XXX: indicate an error ? */ |
| 1886 | return len; |
| 1887 | } |
| 1888 | } |
| 1889 | |
| 1890 | static int tcp_chr_read_poll(void *opaque) |
| 1891 | { |
| 1892 | CharDriverState *chr = opaque; |
| 1893 | TCPCharDriver *s = chr->opaque; |
| 1894 | if (!s->connected) |
| 1895 | return 0; |
| 1896 | s->max_size = qemu_chr_can_read(chr); |
| 1897 | return s->max_size; |
| 1898 | } |
| 1899 | |
| 1900 | #define IAC 255 |
| 1901 | #define IAC_BREAK 243 |
| 1902 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
| 1903 | TCPCharDriver *s, |
| 1904 | uint8_t *buf, int *size) |
| 1905 | { |
| 1906 | /* Handle any telnet client's basic IAC options to satisfy char by |
| 1907 | * char mode with no echo. All IAC options will be removed from |
| 1908 | * the buf and the do_telnetopt variable will be used to track the |
| 1909 | * state of the width of the IAC information. |
| 1910 | * |
| 1911 | * IAC commands come in sets of 3 bytes with the exception of the |
| 1912 | * "IAC BREAK" command and the double IAC. |
| 1913 | */ |
| 1914 | |
| 1915 | int i; |
| 1916 | int j = 0; |
| 1917 | |
| 1918 | for (i = 0; i < *size; i++) { |
| 1919 | if (s->do_telnetopt > 1) { |
| 1920 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
| 1921 | /* Double IAC means send an IAC */ |
| 1922 | if (j != i) |
| 1923 | buf[j] = buf[i]; |
| 1924 | j++; |
| 1925 | s->do_telnetopt = 1; |
| 1926 | } else { |
| 1927 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
| 1928 | /* Handle IAC break commands by sending a serial break */ |
| 1929 | qemu_chr_event(chr, CHR_EVENT_BREAK); |
| 1930 | s->do_telnetopt++; |
| 1931 | } |
| 1932 | s->do_telnetopt++; |
| 1933 | } |
| 1934 | if (s->do_telnetopt >= 4) { |
| 1935 | s->do_telnetopt = 1; |
| 1936 | } |
| 1937 | } else { |
| 1938 | if ((unsigned char)buf[i] == IAC) { |
| 1939 | s->do_telnetopt = 2; |
| 1940 | } else { |
| 1941 | if (j != i) |
| 1942 | buf[j] = buf[i]; |
| 1943 | j++; |
| 1944 | } |
| 1945 | } |
| 1946 | } |
| 1947 | *size = j; |
| 1948 | } |
| 1949 | |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 1950 | static int tcp_get_msgfd(CharDriverState *chr) |
| 1951 | { |
| 1952 | TCPCharDriver *s = chr->opaque; |
| 1953 | |
| 1954 | return s->msgfd; |
| 1955 | } |
| 1956 | |
Anthony Liguori | 73bcc2a | 2009-07-27 14:55:25 -0500 | [diff] [blame] | 1957 | #ifndef _WIN32 |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 1958 | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
| 1959 | { |
| 1960 | TCPCharDriver *s = chr->opaque; |
| 1961 | struct cmsghdr *cmsg; |
| 1962 | |
| 1963 | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) { |
| 1964 | int fd; |
| 1965 | |
| 1966 | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || |
| 1967 | cmsg->cmsg_level != SOL_SOCKET || |
| 1968 | cmsg->cmsg_type != SCM_RIGHTS) |
| 1969 | continue; |
| 1970 | |
| 1971 | fd = *((int *)CMSG_DATA(cmsg)); |
| 1972 | if (fd < 0) |
| 1973 | continue; |
| 1974 | |
| 1975 | if (s->msgfd != -1) |
| 1976 | close(s->msgfd); |
| 1977 | s->msgfd = fd; |
| 1978 | } |
| 1979 | } |
| 1980 | |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 1981 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
| 1982 | { |
| 1983 | TCPCharDriver *s = chr->opaque; |
Blue Swirl | 7cba04f | 2009-08-01 10:13:20 +0000 | [diff] [blame] | 1984 | struct msghdr msg = { NULL, }; |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 1985 | struct iovec iov[1]; |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 1986 | union { |
| 1987 | struct cmsghdr cmsg; |
| 1988 | char control[CMSG_SPACE(sizeof(int))]; |
| 1989 | } msg_control; |
| 1990 | ssize_t ret; |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 1991 | |
| 1992 | iov[0].iov_base = buf; |
| 1993 | iov[0].iov_len = len; |
| 1994 | |
| 1995 | msg.msg_iov = iov; |
| 1996 | msg.msg_iovlen = 1; |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 1997 | msg.msg_control = &msg_control; |
| 1998 | msg.msg_controllen = sizeof(msg_control); |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 1999 | |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 2000 | ret = recvmsg(s->fd, &msg, 0); |
| 2001 | if (ret > 0 && s->is_unix) |
| 2002 | unix_process_msgfd(chr, &msg); |
| 2003 | |
| 2004 | return ret; |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 2005 | } |
| 2006 | #else |
| 2007 | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
| 2008 | { |
| 2009 | TCPCharDriver *s = chr->opaque; |
| 2010 | return recv(s->fd, buf, len, 0); |
| 2011 | } |
| 2012 | #endif |
| 2013 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2014 | static void tcp_chr_read(void *opaque) |
| 2015 | { |
| 2016 | CharDriverState *chr = opaque; |
| 2017 | TCPCharDriver *s = chr->opaque; |
Amit Shah | 9bd7854 | 2009-11-03 19:59:54 +0530 | [diff] [blame] | 2018 | uint8_t buf[READ_BUF_LEN]; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2019 | int len, size; |
| 2020 | |
| 2021 | if (!s->connected || s->max_size <= 0) |
| 2022 | return; |
| 2023 | len = sizeof(buf); |
| 2024 | if (len > s->max_size) |
| 2025 | len = s->max_size; |
Mark McLoughlin | 9977c89 | 2009-07-22 09:11:38 +0100 | [diff] [blame] | 2026 | size = tcp_chr_recv(chr, (void *)buf, len); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2027 | if (size == 0) { |
| 2028 | /* connection closed */ |
| 2029 | s->connected = 0; |
| 2030 | if (s->listen_fd >= 0) { |
| 2031 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
| 2032 | } |
| 2033 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
| 2034 | closesocket(s->fd); |
| 2035 | s->fd = -1; |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 2036 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2037 | } else if (size > 0) { |
| 2038 | if (s->do_telnetopt) |
| 2039 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
| 2040 | if (size > 0) |
| 2041 | qemu_chr_read(chr, buf, size); |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 2042 | if (s->msgfd != -1) { |
| 2043 | close(s->msgfd); |
| 2044 | s->msgfd = -1; |
| 2045 | } |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2046 | } |
| 2047 | } |
| 2048 | |
| 2049 | static void tcp_chr_connect(void *opaque) |
| 2050 | { |
| 2051 | CharDriverState *chr = opaque; |
| 2052 | TCPCharDriver *s = chr->opaque; |
| 2053 | |
| 2054 | s->connected = 1; |
| 2055 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
| 2056 | tcp_chr_read, NULL, chr); |
Amit Shah | 127338e | 2009-11-03 19:59:56 +0530 | [diff] [blame] | 2057 | qemu_chr_generic_open(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2058 | } |
| 2059 | |
| 2060 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
| 2061 | static void tcp_chr_telnet_init(int fd) |
| 2062 | { |
| 2063 | char buf[3]; |
| 2064 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ |
| 2065 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
| 2066 | send(fd, (char *)buf, 3, 0); |
| 2067 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
| 2068 | send(fd, (char *)buf, 3, 0); |
| 2069 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
| 2070 | send(fd, (char *)buf, 3, 0); |
| 2071 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
| 2072 | send(fd, (char *)buf, 3, 0); |
| 2073 | } |
| 2074 | |
| 2075 | static void socket_set_nodelay(int fd) |
| 2076 | { |
| 2077 | int val = 1; |
| 2078 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
| 2079 | } |
| 2080 | |
| 2081 | static void tcp_chr_accept(void *opaque) |
| 2082 | { |
| 2083 | CharDriverState *chr = opaque; |
| 2084 | TCPCharDriver *s = chr->opaque; |
| 2085 | struct sockaddr_in saddr; |
| 2086 | #ifndef _WIN32 |
| 2087 | struct sockaddr_un uaddr; |
| 2088 | #endif |
| 2089 | struct sockaddr *addr; |
| 2090 | socklen_t len; |
| 2091 | int fd; |
| 2092 | |
| 2093 | for(;;) { |
| 2094 | #ifndef _WIN32 |
| 2095 | if (s->is_unix) { |
| 2096 | len = sizeof(uaddr); |
| 2097 | addr = (struct sockaddr *)&uaddr; |
| 2098 | } else |
| 2099 | #endif |
| 2100 | { |
| 2101 | len = sizeof(saddr); |
| 2102 | addr = (struct sockaddr *)&saddr; |
| 2103 | } |
Kevin Wolf | 40ff6d7 | 2009-12-02 12:24:42 +0100 | [diff] [blame] | 2104 | fd = qemu_accept(s->listen_fd, addr, &len); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2105 | if (fd < 0 && errno != EINTR) { |
| 2106 | return; |
| 2107 | } else if (fd >= 0) { |
| 2108 | if (s->do_telnetopt) |
| 2109 | tcp_chr_telnet_init(fd); |
| 2110 | break; |
| 2111 | } |
| 2112 | } |
| 2113 | socket_set_nonblock(fd); |
| 2114 | if (s->do_nodelay) |
| 2115 | socket_set_nodelay(fd); |
| 2116 | s->fd = fd; |
| 2117 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
| 2118 | tcp_chr_connect(chr); |
| 2119 | } |
| 2120 | |
| 2121 | static void tcp_chr_close(CharDriverState *chr) |
| 2122 | { |
| 2123 | TCPCharDriver *s = chr->opaque; |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 2124 | if (s->fd >= 0) { |
| 2125 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2126 | closesocket(s->fd); |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 2127 | } |
| 2128 | if (s->listen_fd >= 0) { |
| 2129 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2130 | closesocket(s->listen_fd); |
aliguori | 819f56b | 2009-03-28 17:58:14 +0000 | [diff] [blame] | 2131 | } |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2132 | qemu_free(s); |
Amit Shah | 793cbfb | 2009-08-11 21:27:48 +0530 | [diff] [blame] | 2133 | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2134 | } |
| 2135 | |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2136 | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2137 | { |
| 2138 | CharDriverState *chr = NULL; |
| 2139 | TCPCharDriver *s = NULL; |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2140 | int fd = -1; |
| 2141 | int is_listen; |
| 2142 | int is_waitconnect; |
| 2143 | int do_nodelay; |
| 2144 | int is_unix; |
| 2145 | int is_telnet; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2146 | |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2147 | is_listen = qemu_opt_get_bool(opts, "server", 0); |
| 2148 | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); |
| 2149 | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); |
| 2150 | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); |
| 2151 | is_unix = qemu_opt_get(opts, "path") != NULL; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2152 | if (!is_listen) |
| 2153 | is_waitconnect = 0; |
| 2154 | |
| 2155 | chr = qemu_mallocz(sizeof(CharDriverState)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2156 | s = qemu_mallocz(sizeof(TCPCharDriver)); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2157 | |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2158 | if (is_unix) { |
| 2159 | if (is_listen) { |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2160 | fd = unix_listen_opts(opts); |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2161 | } else { |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2162 | fd = unix_connect_opts(opts); |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2163 | } |
| 2164 | } else { |
| 2165 | if (is_listen) { |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2166 | fd = inet_listen_opts(opts, 0); |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2167 | } else { |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2168 | fd = inet_connect_opts(opts); |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2169 | } |
| 2170 | } |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2171 | if (fd < 0) |
| 2172 | goto fail; |
| 2173 | |
| 2174 | if (!is_waitconnect) |
| 2175 | socket_set_nonblock(fd); |
| 2176 | |
| 2177 | s->connected = 0; |
| 2178 | s->fd = -1; |
| 2179 | s->listen_fd = -1; |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 2180 | s->msgfd = -1; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2181 | s->is_unix = is_unix; |
| 2182 | s->do_nodelay = do_nodelay && !is_unix; |
| 2183 | |
| 2184 | chr->opaque = s; |
| 2185 | chr->chr_write = tcp_chr_write; |
| 2186 | chr->chr_close = tcp_chr_close; |
Mark McLoughlin | 7d17405 | 2009-07-22 09:11:39 +0100 | [diff] [blame] | 2187 | chr->get_msgfd = tcp_get_msgfd; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2188 | |
| 2189 | if (is_listen) { |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2190 | s->listen_fd = fd; |
| 2191 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); |
| 2192 | if (is_telnet) |
| 2193 | s->do_telnetopt = 1; |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2194 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2195 | } else { |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2196 | s->connected = 1; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2197 | s->fd = fd; |
| 2198 | socket_set_nodelay(fd); |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2199 | tcp_chr_connect(chr); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2200 | } |
| 2201 | |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2202 | /* for "info chardev" monitor command */ |
| 2203 | chr->filename = qemu_malloc(256); |
| 2204 | if (is_unix) { |
| 2205 | snprintf(chr->filename, 256, "unix:%s%s", |
| 2206 | qemu_opt_get(opts, "path"), |
| 2207 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
| 2208 | } else if (is_telnet) { |
| 2209 | snprintf(chr->filename, 256, "telnet:%s:%s%s", |
| 2210 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
| 2211 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
| 2212 | } else { |
| 2213 | snprintf(chr->filename, 256, "tcp:%s:%s%s", |
| 2214 | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
| 2215 | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
| 2216 | } |
| 2217 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2218 | if (is_listen && is_waitconnect) { |
aliguori | f07b600 | 2008-11-11 20:54:09 +0000 | [diff] [blame] | 2219 | printf("QEMU waiting for connection on: %s\n", |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2220 | chr->filename); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2221 | tcp_chr_accept(chr); |
| 2222 | socket_set_nonblock(s->listen_fd); |
| 2223 | } |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2224 | return chr; |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2225 | |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2226 | fail: |
| 2227 | if (fd >= 0) |
| 2228 | closesocket(fd); |
| 2229 | qemu_free(s); |
| 2230 | qemu_free(chr); |
| 2231 | return NULL; |
| 2232 | } |
| 2233 | |
Gerd Hoffmann | 3352163 | 2009-12-08 13:11:49 +0100 | [diff] [blame] | 2234 | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2235 | { |
Gerd Hoffmann | 6ea314d | 2009-09-10 10:58:49 +0200 | [diff] [blame] | 2236 | char host[65], port[33], width[8], height[8]; |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2237 | int pos; |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 2238 | const char *p; |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2239 | QemuOpts *opts; |
| 2240 | |
| 2241 | opts = qemu_opts_create(&qemu_chardev_opts, label, 1); |
| 2242 | if (NULL == opts) |
| 2243 | return NULL; |
| 2244 | |
Gerd Hoffmann | 7591c5c | 2009-09-10 10:58:50 +0200 | [diff] [blame] | 2245 | if (strstart(filename, "mon:", &p)) { |
| 2246 | filename = p; |
| 2247 | qemu_opt_set(opts, "mux", "on"); |
| 2248 | } |
| 2249 | |
Gerd Hoffmann | f0457e8 | 2009-09-10 10:58:45 +0200 | [diff] [blame] | 2250 | if (strcmp(filename, "null") == 0 || |
| 2251 | strcmp(filename, "pty") == 0 || |
| 2252 | strcmp(filename, "msmouse") == 0 || |
Gerd Hoffmann | dc1c21e | 2009-09-10 10:58:46 +0200 | [diff] [blame] | 2253 | strcmp(filename, "braille") == 0 || |
Gerd Hoffmann | f0457e8 | 2009-09-10 10:58:45 +0200 | [diff] [blame] | 2254 | strcmp(filename, "stdio") == 0) { |
Gerd Hoffmann | 4490dad | 2009-09-10 10:58:43 +0200 | [diff] [blame] | 2255 | qemu_opt_set(opts, "backend", filename); |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2256 | return opts; |
| 2257 | } |
Gerd Hoffmann | 6ea314d | 2009-09-10 10:58:49 +0200 | [diff] [blame] | 2258 | if (strstart(filename, "vc", &p)) { |
| 2259 | qemu_opt_set(opts, "backend", "vc"); |
| 2260 | if (*p == ':') { |
| 2261 | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { |
| 2262 | /* pixels */ |
| 2263 | qemu_opt_set(opts, "width", width); |
| 2264 | qemu_opt_set(opts, "height", height); |
| 2265 | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { |
| 2266 | /* chars */ |
| 2267 | qemu_opt_set(opts, "cols", width); |
| 2268 | qemu_opt_set(opts, "rows", height); |
| 2269 | } else { |
| 2270 | goto fail; |
| 2271 | } |
| 2272 | } |
| 2273 | return opts; |
| 2274 | } |
Gerd Hoffmann | d6c983c | 2009-09-10 10:58:47 +0200 | [diff] [blame] | 2275 | if (strcmp(filename, "con:") == 0) { |
| 2276 | qemu_opt_set(opts, "backend", "console"); |
| 2277 | return opts; |
| 2278 | } |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2279 | if (strstart(filename, "COM", NULL)) { |
| 2280 | qemu_opt_set(opts, "backend", "serial"); |
| 2281 | qemu_opt_set(opts, "path", filename); |
| 2282 | return opts; |
| 2283 | } |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 2284 | if (strstart(filename, "file:", &p)) { |
| 2285 | qemu_opt_set(opts, "backend", "file"); |
| 2286 | qemu_opt_set(opts, "path", p); |
| 2287 | return opts; |
| 2288 | } |
| 2289 | if (strstart(filename, "pipe:", &p)) { |
| 2290 | qemu_opt_set(opts, "backend", "pipe"); |
| 2291 | qemu_opt_set(opts, "path", p); |
| 2292 | return opts; |
| 2293 | } |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2294 | if (strstart(filename, "tcp:", &p) || |
| 2295 | strstart(filename, "telnet:", &p)) { |
| 2296 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
| 2297 | host[0] = 0; |
| 2298 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) |
| 2299 | goto fail; |
| 2300 | } |
| 2301 | qemu_opt_set(opts, "backend", "socket"); |
| 2302 | qemu_opt_set(opts, "host", host); |
| 2303 | qemu_opt_set(opts, "port", port); |
| 2304 | if (p[pos] == ',') { |
| 2305 | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) |
| 2306 | goto fail; |
| 2307 | } |
| 2308 | if (strstart(filename, "telnet:", &p)) |
| 2309 | qemu_opt_set(opts, "telnet", "on"); |
| 2310 | return opts; |
| 2311 | } |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 2312 | if (strstart(filename, "udp:", &p)) { |
| 2313 | qemu_opt_set(opts, "backend", "udp"); |
| 2314 | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
| 2315 | host[0] = 0; |
| 2316 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
| 2317 | fprintf(stderr, "udp #1\n"); |
| 2318 | goto fail; |
| 2319 | } |
| 2320 | } |
| 2321 | qemu_opt_set(opts, "host", host); |
| 2322 | qemu_opt_set(opts, "port", port); |
| 2323 | if (p[pos] == '@') { |
| 2324 | p += pos + 1; |
| 2325 | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
| 2326 | host[0] = 0; |
| 2327 | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
| 2328 | fprintf(stderr, "udp #2\n"); |
| 2329 | goto fail; |
| 2330 | } |
| 2331 | } |
| 2332 | qemu_opt_set(opts, "localaddr", host); |
| 2333 | qemu_opt_set(opts, "localport", port); |
| 2334 | } |
| 2335 | return opts; |
| 2336 | } |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2337 | if (strstart(filename, "unix:", &p)) { |
| 2338 | qemu_opt_set(opts, "backend", "socket"); |
| 2339 | if (qemu_opts_do_parse(opts, p, "path") != 0) |
| 2340 | goto fail; |
| 2341 | return opts; |
| 2342 | } |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2343 | if (strstart(filename, "/dev/parport", NULL) || |
| 2344 | strstart(filename, "/dev/ppi", NULL)) { |
| 2345 | qemu_opt_set(opts, "backend", "parport"); |
| 2346 | qemu_opt_set(opts, "path", filename); |
| 2347 | return opts; |
| 2348 | } |
| 2349 | if (strstart(filename, "/dev/", NULL)) { |
| 2350 | qemu_opt_set(opts, "backend", "tty"); |
| 2351 | qemu_opt_set(opts, "path", filename); |
| 2352 | return opts; |
| 2353 | } |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2354 | |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2355 | fail: |
| 2356 | fprintf(stderr, "%s: fail on \"%s\"\n", __FUNCTION__, filename); |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2357 | qemu_opts_del(opts); |
| 2358 | return NULL; |
| 2359 | } |
| 2360 | |
| 2361 | static const struct { |
| 2362 | const char *name; |
| 2363 | CharDriverState *(*open)(QemuOpts *opts); |
| 2364 | } backend_table[] = { |
| 2365 | { .name = "null", .open = qemu_chr_open_null }, |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 2366 | { .name = "socket", .open = qemu_chr_open_socket }, |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 2367 | { .name = "udp", .open = qemu_chr_open_udp }, |
Gerd Hoffmann | f0457e8 | 2009-09-10 10:58:45 +0200 | [diff] [blame] | 2368 | { .name = "msmouse", .open = qemu_chr_open_msmouse }, |
Gerd Hoffmann | 6ea314d | 2009-09-10 10:58:49 +0200 | [diff] [blame] | 2369 | { .name = "vc", .open = text_console_init }, |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 2370 | #ifdef _WIN32 |
| 2371 | { .name = "file", .open = qemu_chr_open_win_file_out }, |
| 2372 | { .name = "pipe", .open = qemu_chr_open_win_pipe }, |
Gerd Hoffmann | d6c983c | 2009-09-10 10:58:47 +0200 | [diff] [blame] | 2373 | { .name = "console", .open = qemu_chr_open_win_con }, |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2374 | { .name = "serial", .open = qemu_chr_open_win }, |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 2375 | #else |
| 2376 | { .name = "file", .open = qemu_chr_open_file_out }, |
| 2377 | { .name = "pipe", .open = qemu_chr_open_pipe }, |
Gerd Hoffmann | 4490dad | 2009-09-10 10:58:43 +0200 | [diff] [blame] | 2378 | { .name = "pty", .open = qemu_chr_open_pty }, |
Gerd Hoffmann | 3c17aff | 2009-09-10 10:58:44 +0200 | [diff] [blame] | 2379 | { .name = "stdio", .open = qemu_chr_open_stdio }, |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 2380 | #endif |
Gerd Hoffmann | dc1c21e | 2009-09-10 10:58:46 +0200 | [diff] [blame] | 2381 | #ifdef CONFIG_BRLAPI |
| 2382 | { .name = "braille", .open = chr_baum_init }, |
| 2383 | #endif |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2384 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 2385 | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
| 2386 | || defined(__FreeBSD_kernel__) |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2387 | { .name = "tty", .open = qemu_chr_open_tty }, |
| 2388 | #endif |
Aurelien Jarno | a167ba5 | 2009-11-29 18:00:41 +0100 | [diff] [blame] | 2389 | #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) \ |
| 2390 | || defined(__FreeBSD_kernel__) |
Gerd Hoffmann | 48b7649 | 2009-09-10 10:58:48 +0200 | [diff] [blame] | 2391 | { .name = "parport", .open = qemu_chr_open_pp }, |
| 2392 | #endif |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2393 | }; |
| 2394 | |
| 2395 | CharDriverState *qemu_chr_open_opts(QemuOpts *opts, |
| 2396 | void (*init)(struct CharDriverState *s)) |
| 2397 | { |
| 2398 | CharDriverState *chr; |
| 2399 | int i; |
| 2400 | |
| 2401 | if (qemu_opts_id(opts) == NULL) { |
| 2402 | fprintf(stderr, "chardev: no id specified\n"); |
| 2403 | return NULL; |
| 2404 | } |
| 2405 | |
| 2406 | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
| 2407 | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) |
| 2408 | break; |
| 2409 | } |
| 2410 | if (i == ARRAY_SIZE(backend_table)) { |
| 2411 | fprintf(stderr, "chardev: backend \"%s\" not found\n", |
| 2412 | qemu_opt_get(opts, "backend")); |
| 2413 | return NULL; |
| 2414 | } |
| 2415 | |
| 2416 | chr = backend_table[i].open(opts); |
| 2417 | if (!chr) { |
| 2418 | fprintf(stderr, "chardev: opening backend \"%s\" failed\n", |
| 2419 | qemu_opt_get(opts, "backend")); |
| 2420 | return NULL; |
| 2421 | } |
| 2422 | |
| 2423 | if (!chr->filename) |
| 2424 | chr->filename = qemu_strdup(qemu_opt_get(opts, "backend")); |
| 2425 | chr->init = init; |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 2426 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
Gerd Hoffmann | 7591c5c | 2009-09-10 10:58:50 +0200 | [diff] [blame] | 2427 | |
| 2428 | if (qemu_opt_get_bool(opts, "mux", 0)) { |
| 2429 | CharDriverState *base = chr; |
| 2430 | int len = strlen(qemu_opts_id(opts)) + 6; |
| 2431 | base->label = qemu_malloc(len); |
| 2432 | snprintf(base->label, len, "%s-base", qemu_opts_id(opts)); |
| 2433 | chr = qemu_chr_open_mux(base); |
| 2434 | chr->filename = base->filename; |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 2435 | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
Gerd Hoffmann | 7591c5c | 2009-09-10 10:58:50 +0200 | [diff] [blame] | 2436 | } |
| 2437 | chr->label = qemu_strdup(qemu_opts_id(opts)); |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2438 | return chr; |
| 2439 | } |
| 2440 | |
aurel32 | ceecf1d | 2009-01-18 14:08:04 +0000 | [diff] [blame] | 2441 | CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2442 | { |
| 2443 | const char *p; |
| 2444 | CharDriverState *chr; |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2445 | QemuOpts *opts; |
| 2446 | |
Gerd Hoffmann | c845f40 | 2009-09-10 10:58:52 +0200 | [diff] [blame] | 2447 | if (strstart(filename, "chardev:", &p)) { |
| 2448 | return qemu_chr_find(p); |
| 2449 | } |
| 2450 | |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 2451 | opts = qemu_chr_parse_compat(label, filename); |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 2452 | if (!opts) |
| 2453 | return NULL; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2454 | |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 2455 | chr = qemu_chr_open_opts(opts, init); |
| 2456 | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
| 2457 | monitor_init(chr, MONITOR_USE_READLINE); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2458 | } |
| 2459 | return chr; |
| 2460 | } |
| 2461 | |
| 2462 | void qemu_chr_close(CharDriverState *chr) |
| 2463 | { |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 2464 | QTAILQ_REMOVE(&chardevs, chr, next); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2465 | if (chr->chr_close) |
| 2466 | chr->chr_close(chr); |
| 2467 | qemu_free(chr->filename); |
| 2468 | qemu_free(chr->label); |
| 2469 | qemu_free(chr); |
| 2470 | } |
| 2471 | |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 2472 | static void qemu_chr_qlist_iter(QObject *obj, void *opaque) |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2473 | { |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 2474 | QDict *chr_dict; |
| 2475 | Monitor *mon = opaque; |
| 2476 | |
| 2477 | chr_dict = qobject_to_qdict(obj); |
| 2478 | monitor_printf(mon, "%s: filename=%s\n", qdict_get_str(chr_dict, "label"), |
| 2479 | qdict_get_str(chr_dict, "filename")); |
| 2480 | } |
| 2481 | |
| 2482 | void qemu_chr_info_print(Monitor *mon, const QObject *ret_data) |
| 2483 | { |
| 2484 | qlist_iter(qobject_to_qlist(ret_data), qemu_chr_qlist_iter, mon); |
| 2485 | } |
| 2486 | |
| 2487 | /** |
| 2488 | * qemu_chr_info(): Character devices information |
| 2489 | * |
| 2490 | * Each device is represented by a QDict. The returned QObject is a QList |
| 2491 | * of all devices. |
| 2492 | * |
| 2493 | * The QDict contains the following: |
| 2494 | * |
| 2495 | * - "label": device's label |
| 2496 | * - "filename": device's file |
| 2497 | * |
| 2498 | * Example: |
| 2499 | * |
| 2500 | * [ { "label": "monitor", "filename", "stdio" }, |
| 2501 | * { "label": "serial0", "filename": "vc" } ] |
| 2502 | */ |
| 2503 | void qemu_chr_info(Monitor *mon, QObject **ret_data) |
| 2504 | { |
| 2505 | QList *chr_list; |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2506 | CharDriverState *chr; |
| 2507 | |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 2508 | chr_list = qlist_new(); |
| 2509 | |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 2510 | QTAILQ_FOREACH(chr, &chardevs, next) { |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 2511 | QObject *obj = qobject_from_jsonf("{ 'label': %s, 'filename': %s }", |
| 2512 | chr->label, chr->filename); |
| 2513 | qlist_append_obj(chr_list, obj); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2514 | } |
Luiz Capitulino | 588b383 | 2009-12-10 17:16:08 -0200 | [diff] [blame] | 2515 | |
| 2516 | *ret_data = QOBJECT(chr_list); |
aliguori | 6f97dba | 2008-10-31 18:49:55 +0000 | [diff] [blame] | 2517 | } |
Gerd Hoffmann | c845f40 | 2009-09-10 10:58:52 +0200 | [diff] [blame] | 2518 | |
| 2519 | CharDriverState *qemu_chr_find(const char *name) |
| 2520 | { |
| 2521 | CharDriverState *chr; |
| 2522 | |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 2523 | QTAILQ_FOREACH(chr, &chardevs, next) { |
Gerd Hoffmann | c845f40 | 2009-09-10 10:58:52 +0200 | [diff] [blame] | 2524 | if (strcmp(chr->label, name) != 0) |
| 2525 | continue; |
| 2526 | return chr; |
| 2527 | } |
| 2528 | return NULL; |
| 2529 | } |