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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 "hw/hw.h" | |
25 | #include "hw/boards.h" | |
26 | #include "hw/usb.h" | |
27 | #include "hw/pcmcia.h" | |
28 | #include "hw/pc.h" | |
29 | #include "hw/audiodev.h" | |
30 | #include "hw/isa.h" | |
31 | #include "hw/baum.h" | |
32 | #include "hw/bt.h" | |
33 | #include "net.h" | |
34 | #include "console.h" | |
35 | #include "sysemu.h" | |
36 | #include "gdbstub.h" | |
37 | #include "qemu-timer.h" | |
38 | #include "qemu-char.h" | |
39 | #include "block.h" | |
40 | #include "audio/audio.h" | |
41 | #include "migration.h" | |
42 | ||
43 | #include <unistd.h> | |
44 | #include <fcntl.h> | |
45 | #include <signal.h> | |
46 | #include <time.h> | |
47 | #include <errno.h> | |
48 | #include <sys/time.h> | |
49 | #include <zlib.h> | |
50 | ||
51 | #ifndef _WIN32 | |
52 | #include <sys/times.h> | |
53 | #include <sys/wait.h> | |
54 | #include <termios.h> | |
55 | #include <sys/mman.h> | |
56 | #include <sys/ioctl.h> | |
57 | #include <sys/socket.h> | |
58 | #include <netinet/in.h> | |
59 | #include <dirent.h> | |
60 | #include <netdb.h> | |
61 | #include <sys/select.h> | |
62 | #include <arpa/inet.h> | |
63 | #ifdef _BSD | |
64 | #include <sys/stat.h> | |
65 | #if !defined(__APPLE__) && !defined(__OpenBSD__) | |
66 | #include <libutil.h> | |
67 | #endif | |
68 | #ifdef __OpenBSD__ | |
69 | #include <net/if.h> | |
70 | #endif | |
71 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
72 | #include <freebsd/stdlib.h> | |
73 | #else | |
74 | #ifdef __linux__ | |
75 | #include <linux/if.h> | |
76 | #include <linux/if_tun.h> | |
77 | #include <pty.h> | |
78 | #include <malloc.h> | |
79 | #include <linux/rtc.h> | |
80 | ||
81 | /* For the benefit of older linux systems which don't supply it, | |
82 | we use a local copy of hpet.h. */ | |
83 | /* #include <linux/hpet.h> */ | |
84 | #include "hpet.h" | |
85 | ||
86 | #include <linux/ppdev.h> | |
87 | #include <linux/parport.h> | |
88 | #endif | |
89 | #ifdef __sun__ | |
90 | #include <sys/stat.h> | |
91 | #include <sys/ethernet.h> | |
92 | #include <sys/sockio.h> | |
93 | #include <netinet/arp.h> | |
94 | #include <netinet/in.h> | |
95 | #include <netinet/in_systm.h> | |
96 | #include <netinet/ip.h> | |
97 | #include <netinet/ip_icmp.h> // must come after ip.h | |
98 | #include <netinet/udp.h> | |
99 | #include <netinet/tcp.h> | |
100 | #include <net/if.h> | |
101 | #include <syslog.h> | |
102 | #include <stropts.h> | |
103 | #endif | |
104 | #endif | |
105 | #endif | |
106 | ||
107 | #include "qemu_socket.h" | |
108 | ||
109 | #if defined(CONFIG_SLIRP) | |
110 | #include "libslirp.h" | |
111 | #endif | |
112 | ||
113 | #if defined(__OpenBSD__) | |
114 | #include <util.h> | |
115 | #endif | |
116 | ||
117 | #if defined(CONFIG_VDE) | |
118 | #include <libvdeplug.h> | |
119 | #endif | |
120 | ||
121 | #ifdef _WIN32 | |
122 | #include <malloc.h> | |
123 | #include <sys/timeb.h> | |
124 | #include <mmsystem.h> | |
125 | #define getopt_long_only getopt_long | |
126 | #define memalign(align, size) malloc(size) | |
127 | #endif | |
128 | ||
129 | #ifdef CONFIG_SDL | |
130 | #ifdef __APPLE__ | |
131 | #include <SDL/SDL.h> | |
132 | #endif | |
133 | #endif /* CONFIG_SDL */ | |
134 | ||
135 | #ifdef CONFIG_COCOA | |
136 | #undef main | |
137 | #define main qemu_main | |
138 | #endif /* CONFIG_COCOA */ | |
139 | ||
140 | #include "disas.h" | |
141 | ||
142 | #include "exec-all.h" | |
143 | ||
144 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
145 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" | |
146 | #ifdef __sun__ | |
147 | #define SMBD_COMMAND "/usr/sfw/sbin/smbd" | |
148 | #else | |
149 | #define SMBD_COMMAND "/usr/sbin/smbd" | |
150 | #endif | |
151 | ||
152 | //#define DEBUG_UNUSED_IOPORT | |
153 | //#define DEBUG_IOPORT | |
154 | //#define DEBUG_NET | |
155 | //#define DEBUG_SLIRP | |
156 | ||
157 | #ifdef TARGET_PPC | |
158 | #define DEFAULT_RAM_SIZE 144 | |
159 | #else | |
160 | #define DEFAULT_RAM_SIZE 128 | |
161 | #endif | |
162 | ||
163 | /* Max number of USB devices that can be specified on the commandline. */ | |
164 | #define MAX_USB_CMDLINE 8 | |
165 | ||
166 | /* XXX: use a two level table to limit memory usage */ | |
167 | #define MAX_IOPORTS 65536 | |
168 | ||
169 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
170 | const char *bios_name = NULL; | |
171 | static void *ioport_opaque[MAX_IOPORTS]; | |
172 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
173 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
174 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available | |
175 | to store the VM snapshots */ | |
176 | DriveInfo drives_table[MAX_DRIVES+1]; | |
177 | int nb_drives; | |
178 | /* point to the block driver where the snapshots are managed */ | |
179 | static BlockDriverState *bs_snapshots; | |
180 | static int vga_ram_size; | |
181 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; | |
182 | static DisplayState display_state; | |
183 | int nographic; | |
184 | static int curses; | |
185 | const char* keyboard_layout = NULL; | |
186 | int64_t ticks_per_sec; | |
187 | ram_addr_t ram_size; | |
188 | int nb_nics; | |
189 | NICInfo nd_table[MAX_NICS]; | |
190 | int vm_running; | |
191 | static int rtc_utc = 1; | |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
193 | int cirrus_vga_enabled = 1; | |
194 | int vmsvga_enabled = 0; | |
195 | #ifdef TARGET_SPARC | |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
198 | int graphic_depth = 8; | |
199 | #else | |
200 | int graphic_width = 800; | |
201 | int graphic_height = 600; | |
202 | int graphic_depth = 15; | |
203 | #endif | |
204 | static int full_screen = 0; | |
205 | static int no_frame = 0; | |
206 | int no_quit = 0; | |
207 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
208 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
209 | #ifdef TARGET_I386 | |
210 | int win2k_install_hack = 0; | |
211 | #endif | |
212 | int usb_enabled = 0; | |
213 | static VLANState *first_vlan; | |
214 | int smp_cpus = 1; | |
215 | const char *vnc_display; | |
216 | int acpi_enabled = 1; | |
217 | int fd_bootchk = 1; | |
218 | int no_reboot = 0; | |
219 | int no_shutdown = 0; | |
220 | int cursor_hide = 1; | |
221 | int graphic_rotate = 0; | |
222 | int daemonize = 0; | |
223 | const char *option_rom[MAX_OPTION_ROMS]; | |
224 | int nb_option_roms; | |
225 | int semihosting_enabled = 0; | |
226 | #ifdef TARGET_ARM | |
227 | int old_param = 0; | |
228 | #endif | |
229 | const char *qemu_name; | |
230 | int alt_grab = 0; | |
231 | #ifdef TARGET_SPARC | |
232 | unsigned int nb_prom_envs = 0; | |
233 | const char *prom_envs[MAX_PROM_ENVS]; | |
234 | #endif | |
235 | static int nb_drives_opt; | |
236 | static struct drive_opt { | |
237 | const char *file; | |
238 | char opt[1024]; | |
239 | } drives_opt[MAX_DRIVES]; | |
240 | ||
241 | static CPUState *cur_cpu; | |
242 | static CPUState *next_cpu; | |
243 | static int event_pending = 1; | |
244 | /* Conversion factor from emulated instructions to virtual clock ticks. */ | |
245 | static int icount_time_shift; | |
246 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ | |
247 | #define MAX_ICOUNT_SHIFT 10 | |
248 | /* Compensate for varying guest execution speed. */ | |
249 | static int64_t qemu_icount_bias; | |
250 | static QEMUTimer *icount_rt_timer; | |
251 | static QEMUTimer *icount_vm_timer; | |
252 | ||
253 | uint8_t qemu_uuid[16]; | |
254 | ||
255 | #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) | |
256 | ||
257 | /***********************************************************/ | |
258 | /* x86 ISA bus support */ | |
259 | ||
260 | target_phys_addr_t isa_mem_base = 0; | |
261 | PicState2 *isa_pic; | |
262 | ||
263 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; | |
264 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; | |
265 | ||
266 | static uint32_t ioport_read(int index, uint32_t address) | |
267 | { | |
268 | static IOPortReadFunc *default_func[3] = { | |
269 | default_ioport_readb, | |
270 | default_ioport_readw, | |
271 | default_ioport_readl | |
272 | }; | |
273 | IOPortReadFunc *func = ioport_read_table[index][address]; | |
274 | if (!func) | |
275 | func = default_func[index]; | |
276 | return func(ioport_opaque[address], address); | |
277 | } | |
278 | ||
279 | static void ioport_write(int index, uint32_t address, uint32_t data) | |
280 | { | |
281 | static IOPortWriteFunc *default_func[3] = { | |
282 | default_ioport_writeb, | |
283 | default_ioport_writew, | |
284 | default_ioport_writel | |
285 | }; | |
286 | IOPortWriteFunc *func = ioport_write_table[index][address]; | |
287 | if (!func) | |
288 | func = default_func[index]; | |
289 | func(ioport_opaque[address], address, data); | |
290 | } | |
291 | ||
292 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
293 | { | |
294 | #ifdef DEBUG_UNUSED_IOPORT | |
295 | fprintf(stderr, "unused inb: port=0x%04x\n", address); | |
296 | #endif | |
297 | return 0xff; | |
298 | } | |
299 | ||
300 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
301 | { | |
302 | #ifdef DEBUG_UNUSED_IOPORT | |
303 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); | |
304 | #endif | |
305 | } | |
306 | ||
307 | /* default is to make two byte accesses */ | |
308 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
309 | { | |
310 | uint32_t data; | |
311 | data = ioport_read(0, address); | |
312 | address = (address + 1) & (MAX_IOPORTS - 1); | |
313 | data |= ioport_read(0, address) << 8; | |
314 | return data; | |
315 | } | |
316 | ||
317 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
318 | { | |
319 | ioport_write(0, address, data & 0xff); | |
320 | address = (address + 1) & (MAX_IOPORTS - 1); | |
321 | ioport_write(0, address, (data >> 8) & 0xff); | |
322 | } | |
323 | ||
324 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
325 | { | |
326 | #ifdef DEBUG_UNUSED_IOPORT | |
327 | fprintf(stderr, "unused inl: port=0x%04x\n", address); | |
328 | #endif | |
329 | return 0xffffffff; | |
330 | } | |
331 | ||
332 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
333 | { | |
334 | #ifdef DEBUG_UNUSED_IOPORT | |
335 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); | |
336 | #endif | |
337 | } | |
338 | ||
339 | /* size is the word size in byte */ | |
340 | int register_ioport_read(int start, int length, int size, | |
341 | IOPortReadFunc *func, void *opaque) | |
342 | { | |
343 | int i, bsize; | |
344 | ||
345 | if (size == 1) { | |
346 | bsize = 0; | |
347 | } else if (size == 2) { | |
348 | bsize = 1; | |
349 | } else if (size == 4) { | |
350 | bsize = 2; | |
351 | } else { | |
352 | hw_error("register_ioport_read: invalid size"); | |
353 | return -1; | |
354 | } | |
355 | for(i = start; i < start + length; i += size) { | |
356 | ioport_read_table[bsize][i] = func; | |
357 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
358 | hw_error("register_ioport_read: invalid opaque"); | |
359 | ioport_opaque[i] = opaque; | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
364 | /* size is the word size in byte */ | |
365 | int register_ioport_write(int start, int length, int size, | |
366 | IOPortWriteFunc *func, void *opaque) | |
367 | { | |
368 | int i, bsize; | |
369 | ||
370 | if (size == 1) { | |
371 | bsize = 0; | |
372 | } else if (size == 2) { | |
373 | bsize = 1; | |
374 | } else if (size == 4) { | |
375 | bsize = 2; | |
376 | } else { | |
377 | hw_error("register_ioport_write: invalid size"); | |
378 | return -1; | |
379 | } | |
380 | for(i = start; i < start + length; i += size) { | |
381 | ioport_write_table[bsize][i] = func; | |
382 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
383 | hw_error("register_ioport_write: invalid opaque"); | |
384 | ioport_opaque[i] = opaque; | |
385 | } | |
386 | return 0; | |
387 | } | |
388 | ||
389 | void isa_unassign_ioport(int start, int length) | |
390 | { | |
391 | int i; | |
392 | ||
393 | for(i = start; i < start + length; i++) { | |
394 | ioport_read_table[0][i] = default_ioport_readb; | |
395 | ioport_read_table[1][i] = default_ioport_readw; | |
396 | ioport_read_table[2][i] = default_ioport_readl; | |
397 | ||
398 | ioport_write_table[0][i] = default_ioport_writeb; | |
399 | ioport_write_table[1][i] = default_ioport_writew; | |
400 | ioport_write_table[2][i] = default_ioport_writel; | |
401 | } | |
402 | } | |
403 | ||
404 | /***********************************************************/ | |
405 | ||
406 | void cpu_outb(CPUState *env, int addr, int val) | |
407 | { | |
408 | #ifdef DEBUG_IOPORT | |
409 | if (loglevel & CPU_LOG_IOPORT) | |
410 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
411 | #endif | |
412 | ioport_write(0, addr, val); | |
413 | #ifdef USE_KQEMU | |
414 | if (env) | |
415 | env->last_io_time = cpu_get_time_fast(); | |
416 | #endif | |
417 | } | |
418 | ||
419 | void cpu_outw(CPUState *env, int addr, int val) | |
420 | { | |
421 | #ifdef DEBUG_IOPORT | |
422 | if (loglevel & CPU_LOG_IOPORT) | |
423 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
424 | #endif | |
425 | ioport_write(1, addr, val); | |
426 | #ifdef USE_KQEMU | |
427 | if (env) | |
428 | env->last_io_time = cpu_get_time_fast(); | |
429 | #endif | |
430 | } | |
431 | ||
432 | void cpu_outl(CPUState *env, int addr, int val) | |
433 | { | |
434 | #ifdef DEBUG_IOPORT | |
435 | if (loglevel & CPU_LOG_IOPORT) | |
436 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
437 | #endif | |
438 | ioport_write(2, addr, val); | |
439 | #ifdef USE_KQEMU | |
440 | if (env) | |
441 | env->last_io_time = cpu_get_time_fast(); | |
442 | #endif | |
443 | } | |
444 | ||
445 | int cpu_inb(CPUState *env, int addr) | |
446 | { | |
447 | int val; | |
448 | val = ioport_read(0, addr); | |
449 | #ifdef DEBUG_IOPORT | |
450 | if (loglevel & CPU_LOG_IOPORT) | |
451 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
452 | #endif | |
453 | #ifdef USE_KQEMU | |
454 | if (env) | |
455 | env->last_io_time = cpu_get_time_fast(); | |
456 | #endif | |
457 | return val; | |
458 | } | |
459 | ||
460 | int cpu_inw(CPUState *env, int addr) | |
461 | { | |
462 | int val; | |
463 | val = ioport_read(1, addr); | |
464 | #ifdef DEBUG_IOPORT | |
465 | if (loglevel & CPU_LOG_IOPORT) | |
466 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
467 | #endif | |
468 | #ifdef USE_KQEMU | |
469 | if (env) | |
470 | env->last_io_time = cpu_get_time_fast(); | |
471 | #endif | |
472 | return val; | |
473 | } | |
474 | ||
475 | int cpu_inl(CPUState *env, int addr) | |
476 | { | |
477 | int val; | |
478 | val = ioport_read(2, addr); | |
479 | #ifdef DEBUG_IOPORT | |
480 | if (loglevel & CPU_LOG_IOPORT) | |
481 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
482 | #endif | |
483 | #ifdef USE_KQEMU | |
484 | if (env) | |
485 | env->last_io_time = cpu_get_time_fast(); | |
486 | #endif | |
487 | return val; | |
488 | } | |
489 | ||
490 | /***********************************************************/ | |
491 | void hw_error(const char *fmt, ...) | |
492 | { | |
493 | va_list ap; | |
494 | CPUState *env; | |
495 | ||
496 | va_start(ap, fmt); | |
497 | fprintf(stderr, "qemu: hardware error: "); | |
498 | vfprintf(stderr, fmt, ap); | |
499 | fprintf(stderr, "\n"); | |
500 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
501 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
502 | #ifdef TARGET_I386 | |
503 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
504 | #else | |
505 | cpu_dump_state(env, stderr, fprintf, 0); | |
506 | #endif | |
507 | } | |
508 | va_end(ap); | |
509 | abort(); | |
510 | } | |
511 | ||
512 | /***********************************************************/ | |
513 | /* keyboard/mouse */ | |
514 | ||
515 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
516 | static void *qemu_put_kbd_event_opaque; | |
517 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
518 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
519 | ||
520 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
521 | { | |
522 | qemu_put_kbd_event_opaque = opaque; | |
523 | qemu_put_kbd_event = func; | |
524 | } | |
525 | ||
526 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
527 | void *opaque, int absolute, | |
528 | const char *name) | |
529 | { | |
530 | QEMUPutMouseEntry *s, *cursor; | |
531 | ||
532 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
533 | if (!s) | |
534 | return NULL; | |
535 | ||
536 | s->qemu_put_mouse_event = func; | |
537 | s->qemu_put_mouse_event_opaque = opaque; | |
538 | s->qemu_put_mouse_event_absolute = absolute; | |
539 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
540 | s->next = NULL; | |
541 | ||
542 | if (!qemu_put_mouse_event_head) { | |
543 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
544 | return s; | |
545 | } | |
546 | ||
547 | cursor = qemu_put_mouse_event_head; | |
548 | while (cursor->next != NULL) | |
549 | cursor = cursor->next; | |
550 | ||
551 | cursor->next = s; | |
552 | qemu_put_mouse_event_current = s; | |
553 | ||
554 | return s; | |
555 | } | |
556 | ||
557 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
558 | { | |
559 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
560 | ||
561 | if (!qemu_put_mouse_event_head || entry == NULL) | |
562 | return; | |
563 | ||
564 | cursor = qemu_put_mouse_event_head; | |
565 | while (cursor != NULL && cursor != entry) { | |
566 | prev = cursor; | |
567 | cursor = cursor->next; | |
568 | } | |
569 | ||
570 | if (cursor == NULL) // does not exist or list empty | |
571 | return; | |
572 | else if (prev == NULL) { // entry is head | |
573 | qemu_put_mouse_event_head = cursor->next; | |
574 | if (qemu_put_mouse_event_current == entry) | |
575 | qemu_put_mouse_event_current = cursor->next; | |
576 | qemu_free(entry->qemu_put_mouse_event_name); | |
577 | qemu_free(entry); | |
578 | return; | |
579 | } | |
580 | ||
581 | prev->next = entry->next; | |
582 | ||
583 | if (qemu_put_mouse_event_current == entry) | |
584 | qemu_put_mouse_event_current = prev; | |
585 | ||
586 | qemu_free(entry->qemu_put_mouse_event_name); | |
587 | qemu_free(entry); | |
588 | } | |
589 | ||
590 | void kbd_put_keycode(int keycode) | |
591 | { | |
592 | if (qemu_put_kbd_event) { | |
593 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
594 | } | |
595 | } | |
596 | ||
597 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
598 | { | |
599 | QEMUPutMouseEvent *mouse_event; | |
600 | void *mouse_event_opaque; | |
601 | int width; | |
602 | ||
603 | if (!qemu_put_mouse_event_current) { | |
604 | return; | |
605 | } | |
606 | ||
607 | mouse_event = | |
608 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
609 | mouse_event_opaque = | |
610 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
611 | ||
612 | if (mouse_event) { | |
613 | if (graphic_rotate) { | |
614 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
615 | width = 0x7fff; | |
616 | else | |
617 | width = graphic_width - 1; | |
618 | mouse_event(mouse_event_opaque, | |
619 | width - dy, dx, dz, buttons_state); | |
620 | } else | |
621 | mouse_event(mouse_event_opaque, | |
622 | dx, dy, dz, buttons_state); | |
623 | } | |
624 | } | |
625 | ||
626 | int kbd_mouse_is_absolute(void) | |
627 | { | |
628 | if (!qemu_put_mouse_event_current) | |
629 | return 0; | |
630 | ||
631 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
632 | } | |
633 | ||
634 | void do_info_mice(void) | |
635 | { | |
636 | QEMUPutMouseEntry *cursor; | |
637 | int index = 0; | |
638 | ||
639 | if (!qemu_put_mouse_event_head) { | |
640 | term_printf("No mouse devices connected\n"); | |
641 | return; | |
642 | } | |
643 | ||
644 | term_printf("Mouse devices available:\n"); | |
645 | cursor = qemu_put_mouse_event_head; | |
646 | while (cursor != NULL) { | |
647 | term_printf("%c Mouse #%d: %s\n", | |
648 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
649 | index, cursor->qemu_put_mouse_event_name); | |
650 | index++; | |
651 | cursor = cursor->next; | |
652 | } | |
653 | } | |
654 | ||
655 | void do_mouse_set(int index) | |
656 | { | |
657 | QEMUPutMouseEntry *cursor; | |
658 | int i = 0; | |
659 | ||
660 | if (!qemu_put_mouse_event_head) { | |
661 | term_printf("No mouse devices connected\n"); | |
662 | return; | |
663 | } | |
664 | ||
665 | cursor = qemu_put_mouse_event_head; | |
666 | while (cursor != NULL && index != i) { | |
667 | i++; | |
668 | cursor = cursor->next; | |
669 | } | |
670 | ||
671 | if (cursor != NULL) | |
672 | qemu_put_mouse_event_current = cursor; | |
673 | else | |
674 | term_printf("Mouse at given index not found\n"); | |
675 | } | |
676 | ||
677 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
678 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
679 | { | |
680 | union { | |
681 | uint64_t ll; | |
682 | struct { | |
683 | #ifdef WORDS_BIGENDIAN | |
684 | uint32_t high, low; | |
685 | #else | |
686 | uint32_t low, high; | |
687 | #endif | |
688 | } l; | |
689 | } u, res; | |
690 | uint64_t rl, rh; | |
691 | ||
692 | u.ll = a; | |
693 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
694 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
695 | rh += (rl >> 32); | |
696 | res.l.high = rh / c; | |
697 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
698 | return res.ll; | |
699 | } | |
700 | ||
701 | /***********************************************************/ | |
702 | /* real time host monotonic timer */ | |
703 | ||
704 | #define QEMU_TIMER_BASE 1000000000LL | |
705 | ||
706 | #ifdef WIN32 | |
707 | ||
708 | static int64_t clock_freq; | |
709 | ||
710 | static void init_get_clock(void) | |
711 | { | |
712 | LARGE_INTEGER freq; | |
713 | int ret; | |
714 | ret = QueryPerformanceFrequency(&freq); | |
715 | if (ret == 0) { | |
716 | fprintf(stderr, "Could not calibrate ticks\n"); | |
717 | exit(1); | |
718 | } | |
719 | clock_freq = freq.QuadPart; | |
720 | } | |
721 | ||
722 | static int64_t get_clock(void) | |
723 | { | |
724 | LARGE_INTEGER ti; | |
725 | QueryPerformanceCounter(&ti); | |
726 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
727 | } | |
728 | ||
729 | #else | |
730 | ||
731 | static int use_rt_clock; | |
732 | ||
733 | static void init_get_clock(void) | |
734 | { | |
735 | use_rt_clock = 0; | |
736 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
737 | { | |
738 | struct timespec ts; | |
739 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
740 | use_rt_clock = 1; | |
741 | } | |
742 | } | |
743 | #endif | |
744 | } | |
745 | ||
746 | static int64_t get_clock(void) | |
747 | { | |
748 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
749 | if (use_rt_clock) { | |
750 | struct timespec ts; | |
751 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
752 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
753 | } else | |
754 | #endif | |
755 | { | |
756 | /* XXX: using gettimeofday leads to problems if the date | |
757 | changes, so it should be avoided. */ | |
758 | struct timeval tv; | |
759 | gettimeofday(&tv, NULL); | |
760 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
761 | } | |
762 | } | |
763 | #endif | |
764 | ||
765 | /* Return the virtual CPU time, based on the instruction counter. */ | |
766 | static int64_t cpu_get_icount(void) | |
767 | { | |
768 | int64_t icount; | |
769 | CPUState *env = cpu_single_env;; | |
770 | icount = qemu_icount; | |
771 | if (env) { | |
772 | if (!can_do_io(env)) | |
773 | fprintf(stderr, "Bad clock read\n"); | |
774 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
775 | } | |
776 | return qemu_icount_bias + (icount << icount_time_shift); | |
777 | } | |
778 | ||
779 | /***********************************************************/ | |
780 | /* guest cycle counter */ | |
781 | ||
782 | static int64_t cpu_ticks_prev; | |
783 | static int64_t cpu_ticks_offset; | |
784 | static int64_t cpu_clock_offset; | |
785 | static int cpu_ticks_enabled; | |
786 | ||
787 | /* return the host CPU cycle counter and handle stop/restart */ | |
788 | int64_t cpu_get_ticks(void) | |
789 | { | |
790 | if (use_icount) { | |
791 | return cpu_get_icount(); | |
792 | } | |
793 | if (!cpu_ticks_enabled) { | |
794 | return cpu_ticks_offset; | |
795 | } else { | |
796 | int64_t ticks; | |
797 | ticks = cpu_get_real_ticks(); | |
798 | if (cpu_ticks_prev > ticks) { | |
799 | /* Note: non increasing ticks may happen if the host uses | |
800 | software suspend */ | |
801 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
802 | } | |
803 | cpu_ticks_prev = ticks; | |
804 | return ticks + cpu_ticks_offset; | |
805 | } | |
806 | } | |
807 | ||
808 | /* return the host CPU monotonic timer and handle stop/restart */ | |
809 | static int64_t cpu_get_clock(void) | |
810 | { | |
811 | int64_t ti; | |
812 | if (!cpu_ticks_enabled) { | |
813 | return cpu_clock_offset; | |
814 | } else { | |
815 | ti = get_clock(); | |
816 | return ti + cpu_clock_offset; | |
817 | } | |
818 | } | |
819 | ||
820 | /* enable cpu_get_ticks() */ | |
821 | void cpu_enable_ticks(void) | |
822 | { | |
823 | if (!cpu_ticks_enabled) { | |
824 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
825 | cpu_clock_offset -= get_clock(); | |
826 | cpu_ticks_enabled = 1; | |
827 | } | |
828 | } | |
829 | ||
830 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
831 | cpu_get_ticks() after that. */ | |
832 | void cpu_disable_ticks(void) | |
833 | { | |
834 | if (cpu_ticks_enabled) { | |
835 | cpu_ticks_offset = cpu_get_ticks(); | |
836 | cpu_clock_offset = cpu_get_clock(); | |
837 | cpu_ticks_enabled = 0; | |
838 | } | |
839 | } | |
840 | ||
841 | /***********************************************************/ | |
842 | /* timers */ | |
843 | ||
844 | #define QEMU_TIMER_REALTIME 0 | |
845 | #define QEMU_TIMER_VIRTUAL 1 | |
846 | ||
847 | struct QEMUClock { | |
848 | int type; | |
849 | /* XXX: add frequency */ | |
850 | }; | |
851 | ||
852 | struct QEMUTimer { | |
853 | QEMUClock *clock; | |
854 | int64_t expire_time; | |
855 | QEMUTimerCB *cb; | |
856 | void *opaque; | |
857 | struct QEMUTimer *next; | |
858 | }; | |
859 | ||
860 | struct qemu_alarm_timer { | |
861 | char const *name; | |
862 | unsigned int flags; | |
863 | ||
864 | int (*start)(struct qemu_alarm_timer *t); | |
865 | void (*stop)(struct qemu_alarm_timer *t); | |
866 | void (*rearm)(struct qemu_alarm_timer *t); | |
867 | void *priv; | |
868 | }; | |
869 | ||
870 | #define ALARM_FLAG_DYNTICKS 0x1 | |
871 | #define ALARM_FLAG_EXPIRED 0x2 | |
872 | ||
873 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
874 | { | |
875 | return t->flags & ALARM_FLAG_DYNTICKS; | |
876 | } | |
877 | ||
878 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
879 | { | |
880 | if (!alarm_has_dynticks(t)) | |
881 | return; | |
882 | ||
883 | t->rearm(t); | |
884 | } | |
885 | ||
886 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
887 | #define MIN_TIMER_REARM_US 250 | |
888 | ||
889 | static struct qemu_alarm_timer *alarm_timer; | |
890 | ||
891 | #ifdef _WIN32 | |
892 | ||
893 | struct qemu_alarm_win32 { | |
894 | MMRESULT timerId; | |
895 | HANDLE host_alarm; | |
896 | unsigned int period; | |
897 | } alarm_win32_data = {0, NULL, -1}; | |
898 | ||
899 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
900 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
901 | static void win32_rearm_timer(struct qemu_alarm_timer *t); | |
902 | ||
903 | #else | |
904 | ||
905 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
906 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
907 | ||
908 | #ifdef __linux__ | |
909 | ||
910 | static int dynticks_start_timer(struct qemu_alarm_timer *t); | |
911 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
912 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
913 | ||
914 | static int hpet_start_timer(struct qemu_alarm_timer *t); | |
915 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
916 | ||
917 | static int rtc_start_timer(struct qemu_alarm_timer *t); | |
918 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
919 | ||
920 | #endif /* __linux__ */ | |
921 | ||
922 | #endif /* _WIN32 */ | |
923 | ||
924 | /* Correlation between real and virtual time is always going to be | |
925 | fairly approximate, so ignore small variation. | |
926 | When the guest is idle real and virtual time will be aligned in | |
927 | the IO wait loop. */ | |
928 | #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) | |
929 | ||
930 | static void icount_adjust(void) | |
931 | { | |
932 | int64_t cur_time; | |
933 | int64_t cur_icount; | |
934 | int64_t delta; | |
935 | static int64_t last_delta; | |
936 | /* If the VM is not running, then do nothing. */ | |
937 | if (!vm_running) | |
938 | return; | |
939 | ||
940 | cur_time = cpu_get_clock(); | |
941 | cur_icount = qemu_get_clock(vm_clock); | |
942 | delta = cur_icount - cur_time; | |
943 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
944 | if (delta > 0 | |
945 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
946 | && icount_time_shift > 0) { | |
947 | /* The guest is getting too far ahead. Slow time down. */ | |
948 | icount_time_shift--; | |
949 | } | |
950 | if (delta < 0 | |
951 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
952 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
953 | /* The guest is getting too far behind. Speed time up. */ | |
954 | icount_time_shift++; | |
955 | } | |
956 | last_delta = delta; | |
957 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
958 | } | |
959 | ||
960 | static void icount_adjust_rt(void * opaque) | |
961 | { | |
962 | qemu_mod_timer(icount_rt_timer, | |
963 | qemu_get_clock(rt_clock) + 1000); | |
964 | icount_adjust(); | |
965 | } | |
966 | ||
967 | static void icount_adjust_vm(void * opaque) | |
968 | { | |
969 | qemu_mod_timer(icount_vm_timer, | |
970 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
971 | icount_adjust(); | |
972 | } | |
973 | ||
974 | static void init_icount_adjust(void) | |
975 | { | |
976 | /* Have both realtime and virtual time triggers for speed adjustment. | |
977 | The realtime trigger catches emulated time passing too slowly, | |
978 | the virtual time trigger catches emulated time passing too fast. | |
979 | Realtime triggers occur even when idle, so use them less frequently | |
980 | than VM triggers. */ | |
981 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
982 | qemu_mod_timer(icount_rt_timer, | |
983 | qemu_get_clock(rt_clock) + 1000); | |
984 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
985 | qemu_mod_timer(icount_vm_timer, | |
986 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
987 | } | |
988 | ||
989 | static struct qemu_alarm_timer alarm_timers[] = { | |
990 | #ifndef _WIN32 | |
991 | #ifdef __linux__ | |
992 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, | |
993 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
994 | /* HPET - if available - is preferred */ | |
995 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, | |
996 | /* ...otherwise try RTC */ | |
997 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, | |
998 | #endif | |
999 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, | |
1000 | #else | |
1001 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, | |
1002 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
1003 | {"win32", 0, win32_start_timer, | |
1004 | win32_stop_timer, NULL, &alarm_win32_data}, | |
1005 | #endif | |
1006 | {NULL, } | |
1007 | }; | |
1008 | ||
1009 | static void show_available_alarms(void) | |
1010 | { | |
1011 | int i; | |
1012 | ||
1013 | printf("Available alarm timers, in order of precedence:\n"); | |
1014 | for (i = 0; alarm_timers[i].name; i++) | |
1015 | printf("%s\n", alarm_timers[i].name); | |
1016 | } | |
1017 | ||
1018 | static void configure_alarms(char const *opt) | |
1019 | { | |
1020 | int i; | |
1021 | int cur = 0; | |
1022 | int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; | |
1023 | char *arg; | |
1024 | char *name; | |
1025 | struct qemu_alarm_timer tmp; | |
1026 | ||
1027 | if (!strcmp(opt, "?")) { | |
1028 | show_available_alarms(); | |
1029 | exit(0); | |
1030 | } | |
1031 | ||
1032 | arg = strdup(opt); | |
1033 | ||
1034 | /* Reorder the array */ | |
1035 | name = strtok(arg, ","); | |
1036 | while (name) { | |
1037 | for (i = 0; i < count && alarm_timers[i].name; i++) { | |
1038 | if (!strcmp(alarm_timers[i].name, name)) | |
1039 | break; | |
1040 | } | |
1041 | ||
1042 | if (i == count) { | |
1043 | fprintf(stderr, "Unknown clock %s\n", name); | |
1044 | goto next; | |
1045 | } | |
1046 | ||
1047 | if (i < cur) | |
1048 | /* Ignore */ | |
1049 | goto next; | |
1050 | ||
1051 | /* Swap */ | |
1052 | tmp = alarm_timers[i]; | |
1053 | alarm_timers[i] = alarm_timers[cur]; | |
1054 | alarm_timers[cur] = tmp; | |
1055 | ||
1056 | cur++; | |
1057 | next: | |
1058 | name = strtok(NULL, ","); | |
1059 | } | |
1060 | ||
1061 | free(arg); | |
1062 | ||
1063 | if (cur) { | |
1064 | /* Disable remaining timers */ | |
1065 | for (i = cur; i < count; i++) | |
1066 | alarm_timers[i].name = NULL; | |
1067 | } else { | |
1068 | show_available_alarms(); | |
1069 | exit(1); | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | QEMUClock *rt_clock; | |
1074 | QEMUClock *vm_clock; | |
1075 | ||
1076 | static QEMUTimer *active_timers[2]; | |
1077 | ||
1078 | static QEMUClock *qemu_new_clock(int type) | |
1079 | { | |
1080 | QEMUClock *clock; | |
1081 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
1082 | if (!clock) | |
1083 | return NULL; | |
1084 | clock->type = type; | |
1085 | return clock; | |
1086 | } | |
1087 | ||
1088 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1089 | { | |
1090 | QEMUTimer *ts; | |
1091 | ||
1092 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1093 | ts->clock = clock; | |
1094 | ts->cb = cb; | |
1095 | ts->opaque = opaque; | |
1096 | return ts; | |
1097 | } | |
1098 | ||
1099 | void qemu_free_timer(QEMUTimer *ts) | |
1100 | { | |
1101 | qemu_free(ts); | |
1102 | } | |
1103 | ||
1104 | /* stop a timer, but do not dealloc it */ | |
1105 | void qemu_del_timer(QEMUTimer *ts) | |
1106 | { | |
1107 | QEMUTimer **pt, *t; | |
1108 | ||
1109 | /* NOTE: this code must be signal safe because | |
1110 | qemu_timer_expired() can be called from a signal. */ | |
1111 | pt = &active_timers[ts->clock->type]; | |
1112 | for(;;) { | |
1113 | t = *pt; | |
1114 | if (!t) | |
1115 | break; | |
1116 | if (t == ts) { | |
1117 | *pt = t->next; | |
1118 | break; | |
1119 | } | |
1120 | pt = &t->next; | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | /* modify the current timer so that it will be fired when current_time | |
1125 | >= expire_time. The corresponding callback will be called. */ | |
1126 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1127 | { | |
1128 | QEMUTimer **pt, *t; | |
1129 | ||
1130 | qemu_del_timer(ts); | |
1131 | ||
1132 | /* add the timer in the sorted list */ | |
1133 | /* NOTE: this code must be signal safe because | |
1134 | qemu_timer_expired() can be called from a signal. */ | |
1135 | pt = &active_timers[ts->clock->type]; | |
1136 | for(;;) { | |
1137 | t = *pt; | |
1138 | if (!t) | |
1139 | break; | |
1140 | if (t->expire_time > expire_time) | |
1141 | break; | |
1142 | pt = &t->next; | |
1143 | } | |
1144 | ts->expire_time = expire_time; | |
1145 | ts->next = *pt; | |
1146 | *pt = ts; | |
1147 | ||
1148 | /* Rearm if necessary */ | |
1149 | if (pt == &active_timers[ts->clock->type]) { | |
1150 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1151 | qemu_rearm_alarm_timer(alarm_timer); | |
1152 | } | |
1153 | /* Interrupt execution to force deadline recalculation. */ | |
1154 | if (use_icount && cpu_single_env) { | |
1155 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
1156 | } | |
1157 | } | |
1158 | } | |
1159 | ||
1160 | int qemu_timer_pending(QEMUTimer *ts) | |
1161 | { | |
1162 | QEMUTimer *t; | |
1163 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1164 | if (t == ts) | |
1165 | return 1; | |
1166 | } | |
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
1171 | { | |
1172 | if (!timer_head) | |
1173 | return 0; | |
1174 | return (timer_head->expire_time <= current_time); | |
1175 | } | |
1176 | ||
1177 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1178 | { | |
1179 | QEMUTimer *ts; | |
1180 | ||
1181 | for(;;) { | |
1182 | ts = *ptimer_head; | |
1183 | if (!ts || ts->expire_time > current_time) | |
1184 | break; | |
1185 | /* remove timer from the list before calling the callback */ | |
1186 | *ptimer_head = ts->next; | |
1187 | ts->next = NULL; | |
1188 | ||
1189 | /* run the callback (the timer list can be modified) */ | |
1190 | ts->cb(ts->opaque); | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | int64_t qemu_get_clock(QEMUClock *clock) | |
1195 | { | |
1196 | switch(clock->type) { | |
1197 | case QEMU_TIMER_REALTIME: | |
1198 | return get_clock() / 1000000; | |
1199 | default: | |
1200 | case QEMU_TIMER_VIRTUAL: | |
1201 | if (use_icount) { | |
1202 | return cpu_get_icount(); | |
1203 | } else { | |
1204 | return cpu_get_clock(); | |
1205 | } | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | static void init_timers(void) | |
1210 | { | |
1211 | init_get_clock(); | |
1212 | ticks_per_sec = QEMU_TIMER_BASE; | |
1213 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
1214 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
1215 | } | |
1216 | ||
1217 | /* save a timer */ | |
1218 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1219 | { | |
1220 | uint64_t expire_time; | |
1221 | ||
1222 | if (qemu_timer_pending(ts)) { | |
1223 | expire_time = ts->expire_time; | |
1224 | } else { | |
1225 | expire_time = -1; | |
1226 | } | |
1227 | qemu_put_be64(f, expire_time); | |
1228 | } | |
1229 | ||
1230 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1231 | { | |
1232 | uint64_t expire_time; | |
1233 | ||
1234 | expire_time = qemu_get_be64(f); | |
1235 | if (expire_time != -1) { | |
1236 | qemu_mod_timer(ts, expire_time); | |
1237 | } else { | |
1238 | qemu_del_timer(ts); | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | static void timer_save(QEMUFile *f, void *opaque) | |
1243 | { | |
1244 | if (cpu_ticks_enabled) { | |
1245 | hw_error("cannot save state if virtual timers are running"); | |
1246 | } | |
1247 | qemu_put_be64(f, cpu_ticks_offset); | |
1248 | qemu_put_be64(f, ticks_per_sec); | |
1249 | qemu_put_be64(f, cpu_clock_offset); | |
1250 | } | |
1251 | ||
1252 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
1253 | { | |
1254 | if (version_id != 1 && version_id != 2) | |
1255 | return -EINVAL; | |
1256 | if (cpu_ticks_enabled) { | |
1257 | return -EINVAL; | |
1258 | } | |
1259 | cpu_ticks_offset=qemu_get_be64(f); | |
1260 | ticks_per_sec=qemu_get_be64(f); | |
1261 | if (version_id == 2) { | |
1262 | cpu_clock_offset=qemu_get_be64(f); | |
1263 | } | |
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | #ifdef _WIN32 | |
1268 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
1269 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
1270 | #else | |
1271 | static void host_alarm_handler(int host_signum) | |
1272 | #endif | |
1273 | { | |
1274 | #if 0 | |
1275 | #define DISP_FREQ 1000 | |
1276 | { | |
1277 | static int64_t delta_min = INT64_MAX; | |
1278 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1279 | static int count; | |
1280 | ti = qemu_get_clock(vm_clock); | |
1281 | if (last_clock != 0) { | |
1282 | delta = ti - last_clock; | |
1283 | if (delta < delta_min) | |
1284 | delta_min = delta; | |
1285 | if (delta > delta_max) | |
1286 | delta_max = delta; | |
1287 | delta_cum += delta; | |
1288 | if (++count == DISP_FREQ) { | |
1289 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
1290 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
1291 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
1292 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
1293 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
1294 | count = 0; | |
1295 | delta_min = INT64_MAX; | |
1296 | delta_max = 0; | |
1297 | delta_cum = 0; | |
1298 | } | |
1299 | } | |
1300 | last_clock = ti; | |
1301 | } | |
1302 | #endif | |
1303 | if (alarm_has_dynticks(alarm_timer) || | |
1304 | (!use_icount && | |
1305 | qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
1306 | qemu_get_clock(vm_clock))) || | |
1307 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
1308 | qemu_get_clock(rt_clock))) { | |
1309 | #ifdef _WIN32 | |
1310 | struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; | |
1311 | SetEvent(data->host_alarm); | |
1312 | #endif | |
1313 | CPUState *env = next_cpu; | |
1314 | ||
1315 | alarm_timer->flags |= ALARM_FLAG_EXPIRED; | |
1316 | ||
1317 | if (env) { | |
1318 | /* stop the currently executing cpu because a timer occured */ | |
1319 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
1320 | #ifdef USE_KQEMU | |
1321 | if (env->kqemu_enabled) { | |
1322 | kqemu_cpu_interrupt(env); | |
1323 | } | |
1324 | #endif | |
1325 | } | |
1326 | event_pending = 1; | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | static int64_t qemu_next_deadline(void) | |
1331 | { | |
1332 | int64_t delta; | |
1333 | ||
1334 | if (active_timers[QEMU_TIMER_VIRTUAL]) { | |
1335 | delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - | |
1336 | qemu_get_clock(vm_clock); | |
1337 | } else { | |
1338 | /* To avoid problems with overflow limit this to 2^32. */ | |
1339 | delta = INT32_MAX; | |
1340 | } | |
1341 | ||
1342 | if (delta < 0) | |
1343 | delta = 0; | |
1344 | ||
1345 | return delta; | |
1346 | } | |
1347 | ||
1348 | #if defined(__linux__) || defined(_WIN32) | |
1349 | static uint64_t qemu_next_deadline_dyntick(void) | |
1350 | { | |
1351 | int64_t delta; | |
1352 | int64_t rtdelta; | |
1353 | ||
1354 | if (use_icount) | |
1355 | delta = INT32_MAX; | |
1356 | else | |
1357 | delta = (qemu_next_deadline() + 999) / 1000; | |
1358 | ||
1359 | if (active_timers[QEMU_TIMER_REALTIME]) { | |
1360 | rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - | |
1361 | qemu_get_clock(rt_clock))*1000; | |
1362 | if (rtdelta < delta) | |
1363 | delta = rtdelta; | |
1364 | } | |
1365 | ||
1366 | if (delta < MIN_TIMER_REARM_US) | |
1367 | delta = MIN_TIMER_REARM_US; | |
1368 | ||
1369 | return delta; | |
1370 | } | |
1371 | #endif | |
1372 | ||
1373 | #ifndef _WIN32 | |
1374 | ||
1375 | #if defined(__linux__) | |
1376 | ||
1377 | #define RTC_FREQ 1024 | |
1378 | ||
1379 | static void enable_sigio_timer(int fd) | |
1380 | { | |
1381 | struct sigaction act; | |
1382 | ||
1383 | /* timer signal */ | |
1384 | sigfillset(&act.sa_mask); | |
1385 | act.sa_flags = 0; | |
1386 | act.sa_handler = host_alarm_handler; | |
1387 | ||
1388 | sigaction(SIGIO, &act, NULL); | |
1389 | fcntl(fd, F_SETFL, O_ASYNC); | |
1390 | fcntl(fd, F_SETOWN, getpid()); | |
1391 | } | |
1392 | ||
1393 | static int hpet_start_timer(struct qemu_alarm_timer *t) | |
1394 | { | |
1395 | struct hpet_info info; | |
1396 | int r, fd; | |
1397 | ||
1398 | fd = open("/dev/hpet", O_RDONLY); | |
1399 | if (fd < 0) | |
1400 | return -1; | |
1401 | ||
1402 | /* Set frequency */ | |
1403 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1404 | if (r < 0) { | |
1405 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1406 | "error, but for better emulation accuracy type:\n" | |
1407 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1408 | goto fail; | |
1409 | } | |
1410 | ||
1411 | /* Check capabilities */ | |
1412 | r = ioctl(fd, HPET_INFO, &info); | |
1413 | if (r < 0) | |
1414 | goto fail; | |
1415 | ||
1416 | /* Enable periodic mode */ | |
1417 | r = ioctl(fd, HPET_EPI, 0); | |
1418 | if (info.hi_flags && (r < 0)) | |
1419 | goto fail; | |
1420 | ||
1421 | /* Enable interrupt */ | |
1422 | r = ioctl(fd, HPET_IE_ON, 0); | |
1423 | if (r < 0) | |
1424 | goto fail; | |
1425 | ||
1426 | enable_sigio_timer(fd); | |
1427 | t->priv = (void *)(long)fd; | |
1428 | ||
1429 | return 0; | |
1430 | fail: | |
1431 | close(fd); | |
1432 | return -1; | |
1433 | } | |
1434 | ||
1435 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1436 | { | |
1437 | int fd = (long)t->priv; | |
1438 | ||
1439 | close(fd); | |
1440 | } | |
1441 | ||
1442 | static int rtc_start_timer(struct qemu_alarm_timer *t) | |
1443 | { | |
1444 | int rtc_fd; | |
1445 | unsigned long current_rtc_freq = 0; | |
1446 | ||
1447 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); | |
1448 | if (rtc_fd < 0) | |
1449 | return -1; | |
1450 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); | |
1451 | if (current_rtc_freq != RTC_FREQ && | |
1452 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1453 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1454 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1455 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1456 | goto fail; | |
1457 | } | |
1458 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1459 | fail: | |
1460 | close(rtc_fd); | |
1461 | return -1; | |
1462 | } | |
1463 | ||
1464 | enable_sigio_timer(rtc_fd); | |
1465 | ||
1466 | t->priv = (void *)(long)rtc_fd; | |
1467 | ||
1468 | return 0; | |
1469 | } | |
1470 | ||
1471 | static void rtc_stop_timer(struct qemu_alarm_timer *t) | |
1472 | { | |
1473 | int rtc_fd = (long)t->priv; | |
1474 | ||
1475 | close(rtc_fd); | |
1476 | } | |
1477 | ||
1478 | static int dynticks_start_timer(struct qemu_alarm_timer *t) | |
1479 | { | |
1480 | struct sigevent ev; | |
1481 | timer_t host_timer; | |
1482 | struct sigaction act; | |
1483 | ||
1484 | sigfillset(&act.sa_mask); | |
1485 | act.sa_flags = 0; | |
1486 | act.sa_handler = host_alarm_handler; | |
1487 | ||
1488 | sigaction(SIGALRM, &act, NULL); | |
1489 | ||
1490 | ev.sigev_value.sival_int = 0; | |
1491 | ev.sigev_notify = SIGEV_SIGNAL; | |
1492 | ev.sigev_signo = SIGALRM; | |
1493 | ||
1494 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1495 | perror("timer_create"); | |
1496 | ||
1497 | /* disable dynticks */ | |
1498 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1499 | ||
1500 | return -1; | |
1501 | } | |
1502 | ||
1503 | t->priv = (void *)host_timer; | |
1504 | ||
1505 | return 0; | |
1506 | } | |
1507 | ||
1508 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1509 | { | |
1510 | timer_t host_timer = (timer_t)t->priv; | |
1511 | ||
1512 | timer_delete(host_timer); | |
1513 | } | |
1514 | ||
1515 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1516 | { | |
1517 | timer_t host_timer = (timer_t)t->priv; | |
1518 | struct itimerspec timeout; | |
1519 | int64_t nearest_delta_us = INT64_MAX; | |
1520 | int64_t current_us; | |
1521 | ||
1522 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1523 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1524 | return; | |
1525 | ||
1526 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1527 | ||
1528 | /* check whether a timer is already running */ | |
1529 | if (timer_gettime(host_timer, &timeout)) { | |
1530 | perror("gettime"); | |
1531 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1532 | exit(1); | |
1533 | } | |
1534 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1535 | if (current_us && current_us <= nearest_delta_us) | |
1536 | return; | |
1537 | ||
1538 | timeout.it_interval.tv_sec = 0; | |
1539 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1540 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1541 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1542 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1543 | perror("settime"); | |
1544 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1545 | exit(1); | |
1546 | } | |
1547 | } | |
1548 | ||
1549 | #endif /* defined(__linux__) */ | |
1550 | ||
1551 | static int unix_start_timer(struct qemu_alarm_timer *t) | |
1552 | { | |
1553 | struct sigaction act; | |
1554 | struct itimerval itv; | |
1555 | int err; | |
1556 | ||
1557 | /* timer signal */ | |
1558 | sigfillset(&act.sa_mask); | |
1559 | act.sa_flags = 0; | |
1560 | act.sa_handler = host_alarm_handler; | |
1561 | ||
1562 | sigaction(SIGALRM, &act, NULL); | |
1563 | ||
1564 | itv.it_interval.tv_sec = 0; | |
1565 | /* for i386 kernel 2.6 to get 1 ms */ | |
1566 | itv.it_interval.tv_usec = 999; | |
1567 | itv.it_value.tv_sec = 0; | |
1568 | itv.it_value.tv_usec = 10 * 1000; | |
1569 | ||
1570 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1571 | if (err) | |
1572 | return -1; | |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1578 | { | |
1579 | struct itimerval itv; | |
1580 | ||
1581 | memset(&itv, 0, sizeof(itv)); | |
1582 | setitimer(ITIMER_REAL, &itv, NULL); | |
1583 | } | |
1584 | ||
1585 | #endif /* !defined(_WIN32) */ | |
1586 | ||
1587 | #ifdef _WIN32 | |
1588 | ||
1589 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1590 | { | |
1591 | TIMECAPS tc; | |
1592 | struct qemu_alarm_win32 *data = t->priv; | |
1593 | UINT flags; | |
1594 | ||
1595 | data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1596 | if (!data->host_alarm) { | |
1597 | perror("Failed CreateEvent"); | |
1598 | return -1; | |
1599 | } | |
1600 | ||
1601 | memset(&tc, 0, sizeof(tc)); | |
1602 | timeGetDevCaps(&tc, sizeof(tc)); | |
1603 | ||
1604 | if (data->period < tc.wPeriodMin) | |
1605 | data->period = tc.wPeriodMin; | |
1606 | ||
1607 | timeBeginPeriod(data->period); | |
1608 | ||
1609 | flags = TIME_CALLBACK_FUNCTION; | |
1610 | if (alarm_has_dynticks(t)) | |
1611 | flags |= TIME_ONESHOT; | |
1612 | else | |
1613 | flags |= TIME_PERIODIC; | |
1614 | ||
1615 | data->timerId = timeSetEvent(1, // interval (ms) | |
1616 | data->period, // resolution | |
1617 | host_alarm_handler, // function | |
1618 | (DWORD)t, // parameter | |
1619 | flags); | |
1620 | ||
1621 | if (!data->timerId) { | |
1622 | perror("Failed to initialize win32 alarm timer"); | |
1623 | ||
1624 | timeEndPeriod(data->period); | |
1625 | CloseHandle(data->host_alarm); | |
1626 | return -1; | |
1627 | } | |
1628 | ||
1629 | qemu_add_wait_object(data->host_alarm, NULL, NULL); | |
1630 | ||
1631 | return 0; | |
1632 | } | |
1633 | ||
1634 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1635 | { | |
1636 | struct qemu_alarm_win32 *data = t->priv; | |
1637 | ||
1638 | timeKillEvent(data->timerId); | |
1639 | timeEndPeriod(data->period); | |
1640 | ||
1641 | CloseHandle(data->host_alarm); | |
1642 | } | |
1643 | ||
1644 | static void win32_rearm_timer(struct qemu_alarm_timer *t) | |
1645 | { | |
1646 | struct qemu_alarm_win32 *data = t->priv; | |
1647 | uint64_t nearest_delta_us; | |
1648 | ||
1649 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1650 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1651 | return; | |
1652 | ||
1653 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1654 | nearest_delta_us /= 1000; | |
1655 | ||
1656 | timeKillEvent(data->timerId); | |
1657 | ||
1658 | data->timerId = timeSetEvent(1, | |
1659 | data->period, | |
1660 | host_alarm_handler, | |
1661 | (DWORD)t, | |
1662 | TIME_ONESHOT | TIME_PERIODIC); | |
1663 | ||
1664 | if (!data->timerId) { | |
1665 | perror("Failed to re-arm win32 alarm timer"); | |
1666 | ||
1667 | timeEndPeriod(data->period); | |
1668 | CloseHandle(data->host_alarm); | |
1669 | exit(1); | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | #endif /* _WIN32 */ | |
1674 | ||
1675 | static void init_timer_alarm(void) | |
1676 | { | |
1677 | struct qemu_alarm_timer *t = NULL; | |
1678 | int i, err = -1; | |
1679 | ||
1680 | for (i = 0; alarm_timers[i].name; i++) { | |
1681 | t = &alarm_timers[i]; | |
1682 | ||
1683 | err = t->start(t); | |
1684 | if (!err) | |
1685 | break; | |
1686 | } | |
1687 | ||
1688 | if (err) { | |
1689 | fprintf(stderr, "Unable to find any suitable alarm timer.\n"); | |
1690 | fprintf(stderr, "Terminating\n"); | |
1691 | exit(1); | |
1692 | } | |
1693 | ||
1694 | alarm_timer = t; | |
1695 | } | |
1696 | ||
1697 | static void quit_timers(void) | |
1698 | { | |
1699 | alarm_timer->stop(alarm_timer); | |
1700 | alarm_timer = NULL; | |
1701 | } | |
1702 | ||
1703 | /***********************************************************/ | |
1704 | /* host time/date access */ | |
1705 | void qemu_get_timedate(struct tm *tm, int offset) | |
1706 | { | |
1707 | time_t ti; | |
1708 | struct tm *ret; | |
1709 | ||
1710 | time(&ti); | |
1711 | ti += offset; | |
1712 | if (rtc_date_offset == -1) { | |
1713 | if (rtc_utc) | |
1714 | ret = gmtime(&ti); | |
1715 | else | |
1716 | ret = localtime(&ti); | |
1717 | } else { | |
1718 | ti -= rtc_date_offset; | |
1719 | ret = gmtime(&ti); | |
1720 | } | |
1721 | ||
1722 | memcpy(tm, ret, sizeof(struct tm)); | |
1723 | } | |
1724 | ||
1725 | int qemu_timedate_diff(struct tm *tm) | |
1726 | { | |
1727 | time_t seconds; | |
1728 | ||
1729 | if (rtc_date_offset == -1) | |
1730 | if (rtc_utc) | |
1731 | seconds = mktimegm(tm); | |
1732 | else | |
1733 | seconds = mktime(tm); | |
1734 | else | |
1735 | seconds = mktimegm(tm) + rtc_date_offset; | |
1736 | ||
1737 | return seconds - time(NULL); | |
1738 | } | |
1739 | ||
1740 | /***********************************************************/ | |
1741 | /* character device */ | |
1742 | ||
1743 | static void qemu_chr_event(CharDriverState *s, int event) | |
1744 | { | |
1745 | if (!s->chr_event) | |
1746 | return; | |
1747 | s->chr_event(s->handler_opaque, event); | |
1748 | } | |
1749 | ||
1750 | static void qemu_chr_reset_bh(void *opaque) | |
1751 | { | |
1752 | CharDriverState *s = opaque; | |
1753 | qemu_chr_event(s, CHR_EVENT_RESET); | |
1754 | qemu_bh_delete(s->bh); | |
1755 | s->bh = NULL; | |
1756 | } | |
1757 | ||
1758 | void qemu_chr_reset(CharDriverState *s) | |
1759 | { | |
1760 | if (s->bh == NULL) { | |
1761 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); | |
1762 | qemu_bh_schedule(s->bh); | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
1767 | { | |
1768 | return s->chr_write(s, buf, len); | |
1769 | } | |
1770 | ||
1771 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
1772 | { | |
1773 | if (!s->chr_ioctl) | |
1774 | return -ENOTSUP; | |
1775 | return s->chr_ioctl(s, cmd, arg); | |
1776 | } | |
1777 | ||
1778 | int qemu_chr_can_read(CharDriverState *s) | |
1779 | { | |
1780 | if (!s->chr_can_read) | |
1781 | return 0; | |
1782 | return s->chr_can_read(s->handler_opaque); | |
1783 | } | |
1784 | ||
1785 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
1786 | { | |
1787 | s->chr_read(s->handler_opaque, buf, len); | |
1788 | } | |
1789 | ||
1790 | void qemu_chr_accept_input(CharDriverState *s) | |
1791 | { | |
1792 | if (s->chr_accept_input) | |
1793 | s->chr_accept_input(s); | |
1794 | } | |
1795 | ||
1796 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
1797 | { | |
1798 | char buf[4096]; | |
1799 | va_list ap; | |
1800 | va_start(ap, fmt); | |
1801 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
1802 | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); | |
1803 | va_end(ap); | |
1804 | } | |
1805 | ||
1806 | void qemu_chr_send_event(CharDriverState *s, int event) | |
1807 | { | |
1808 | if (s->chr_send_event) | |
1809 | s->chr_send_event(s, event); | |
1810 | } | |
1811 | ||
1812 | void qemu_chr_add_handlers(CharDriverState *s, | |
1813 | IOCanRWHandler *fd_can_read, | |
1814 | IOReadHandler *fd_read, | |
1815 | IOEventHandler *fd_event, | |
1816 | void *opaque) | |
1817 | { | |
1818 | s->chr_can_read = fd_can_read; | |
1819 | s->chr_read = fd_read; | |
1820 | s->chr_event = fd_event; | |
1821 | s->handler_opaque = opaque; | |
1822 | if (s->chr_update_read_handler) | |
1823 | s->chr_update_read_handler(s); | |
1824 | } | |
1825 | ||
1826 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1827 | { | |
1828 | return len; | |
1829 | } | |
1830 | ||
1831 | static CharDriverState *qemu_chr_open_null(void) | |
1832 | { | |
1833 | CharDriverState *chr; | |
1834 | ||
1835 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1836 | if (!chr) | |
1837 | return NULL; | |
1838 | chr->chr_write = null_chr_write; | |
1839 | return chr; | |
1840 | } | |
1841 | ||
1842 | /* MUX driver for serial I/O splitting */ | |
1843 | static int term_timestamps; | |
1844 | static int64_t term_timestamps_start; | |
1845 | #define MAX_MUX 4 | |
1846 | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ | |
1847 | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) | |
1848 | typedef struct { | |
1849 | IOCanRWHandler *chr_can_read[MAX_MUX]; | |
1850 | IOReadHandler *chr_read[MAX_MUX]; | |
1851 | IOEventHandler *chr_event[MAX_MUX]; | |
1852 | void *ext_opaque[MAX_MUX]; | |
1853 | CharDriverState *drv; | |
1854 | unsigned char buffer[MUX_BUFFER_SIZE]; | |
1855 | int prod; | |
1856 | int cons; | |
1857 | int mux_cnt; | |
1858 | int term_got_escape; | |
1859 | int max_size; | |
1860 | } MuxDriver; | |
1861 | ||
1862 | ||
1863 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1864 | { | |
1865 | MuxDriver *d = chr->opaque; | |
1866 | int ret; | |
1867 | if (!term_timestamps) { | |
1868 | ret = d->drv->chr_write(d->drv, buf, len); | |
1869 | } else { | |
1870 | int i; | |
1871 | ||
1872 | ret = 0; | |
1873 | for(i = 0; i < len; i++) { | |
1874 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
1875 | if (buf[i] == '\n') { | |
1876 | char buf1[64]; | |
1877 | int64_t ti; | |
1878 | int secs; | |
1879 | ||
1880 | ti = get_clock(); | |
1881 | if (term_timestamps_start == -1) | |
1882 | term_timestamps_start = ti; | |
1883 | ti -= term_timestamps_start; | |
1884 | secs = ti / 1000000000; | |
1885 | snprintf(buf1, sizeof(buf1), | |
1886 | "[%02d:%02d:%02d.%03d] ", | |
1887 | secs / 3600, | |
1888 | (secs / 60) % 60, | |
1889 | secs % 60, | |
1890 | (int)((ti / 1000000) % 1000)); | |
1891 | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); | |
1892 | } | |
1893 | } | |
1894 | } | |
1895 | return ret; | |
1896 | } | |
1897 | ||
1898 | static const char * const mux_help[] = { | |
1899 | "% h print this help\n\r", | |
1900 | "% x exit emulator\n\r", | |
1901 | "% s save disk data back to file (if -snapshot)\n\r", | |
1902 | "% t toggle console timestamps\n\r" | |
1903 | "% b send break (magic sysrq)\n\r", | |
1904 | "% c switch between console and monitor\n\r", | |
1905 | "% % sends %\n\r", | |
1906 | NULL | |
1907 | }; | |
1908 | ||
1909 | static int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
1910 | static void mux_print_help(CharDriverState *chr) | |
1911 | { | |
1912 | int i, j; | |
1913 | char ebuf[15] = "Escape-Char"; | |
1914 | char cbuf[50] = "\n\r"; | |
1915 | ||
1916 | if (term_escape_char > 0 && term_escape_char < 26) { | |
1917 | snprintf(cbuf, sizeof(cbuf), "\n\r"); | |
1918 | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); | |
1919 | } else { | |
1920 | snprintf(cbuf, sizeof(cbuf), | |
1921 | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", | |
1922 | term_escape_char); | |
1923 | } | |
1924 | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); | |
1925 | for (i = 0; mux_help[i] != NULL; i++) { | |
1926 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
1927 | if (mux_help[i][j] == '%') | |
1928 | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); | |
1929 | else | |
1930 | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); | |
1931 | } | |
1932 | } | |
1933 | } | |
1934 | ||
1935 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) | |
1936 | { | |
1937 | if (d->term_got_escape) { | |
1938 | d->term_got_escape = 0; | |
1939 | if (ch == term_escape_char) | |
1940 | goto send_char; | |
1941 | switch(ch) { | |
1942 | case '?': | |
1943 | case 'h': | |
1944 | mux_print_help(chr); | |
1945 | break; | |
1946 | case 'x': | |
1947 | { | |
1948 | const char *term = "QEMU: Terminated\n\r"; | |
1949 | chr->chr_write(chr,(uint8_t *)term,strlen(term)); | |
1950 | exit(0); | |
1951 | break; | |
1952 | } | |
1953 | case 's': | |
1954 | { | |
1955 | int i; | |
1956 | for (i = 0; i < nb_drives; i++) { | |
1957 | bdrv_commit(drives_table[i].bdrv); | |
1958 | } | |
1959 | } | |
1960 | break; | |
1961 | case 'b': | |
1962 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
1963 | break; | |
1964 | case 'c': | |
1965 | /* Switch to the next registered device */ | |
1966 | chr->focus++; | |
1967 | if (chr->focus >= d->mux_cnt) | |
1968 | chr->focus = 0; | |
1969 | break; | |
1970 | case 't': | |
1971 | term_timestamps = !term_timestamps; | |
1972 | term_timestamps_start = -1; | |
1973 | break; | |
1974 | } | |
1975 | } else if (ch == term_escape_char) { | |
1976 | d->term_got_escape = 1; | |
1977 | } else { | |
1978 | send_char: | |
1979 | return 1; | |
1980 | } | |
1981 | return 0; | |
1982 | } | |
1983 | ||
1984 | static void mux_chr_accept_input(CharDriverState *chr) | |
1985 | { | |
1986 | int m = chr->focus; | |
1987 | MuxDriver *d = chr->opaque; | |
1988 | ||
1989 | while (d->prod != d->cons && | |
1990 | d->chr_can_read[m] && | |
1991 | d->chr_can_read[m](d->ext_opaque[m])) { | |
1992 | d->chr_read[m](d->ext_opaque[m], | |
1993 | &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1); | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | static int mux_chr_can_read(void *opaque) | |
1998 | { | |
1999 | CharDriverState *chr = opaque; | |
2000 | MuxDriver *d = chr->opaque; | |
2001 | ||
2002 | if ((d->prod - d->cons) < MUX_BUFFER_SIZE) | |
2003 | return 1; | |
2004 | if (d->chr_can_read[chr->focus]) | |
2005 | return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); | |
2006 | return 0; | |
2007 | } | |
2008 | ||
2009 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
2010 | { | |
2011 | CharDriverState *chr = opaque; | |
2012 | MuxDriver *d = chr->opaque; | |
2013 | int m = chr->focus; | |
2014 | int i; | |
2015 | ||
2016 | mux_chr_accept_input (opaque); | |
2017 | ||
2018 | for(i = 0; i < size; i++) | |
2019 | if (mux_proc_byte(chr, d, buf[i])) { | |
2020 | if (d->prod == d->cons && | |
2021 | d->chr_can_read[m] && | |
2022 | d->chr_can_read[m](d->ext_opaque[m])) | |
2023 | d->chr_read[m](d->ext_opaque[m], &buf[i], 1); | |
2024 | else | |
2025 | d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; | |
2026 | } | |
2027 | } | |
2028 | ||
2029 | static void mux_chr_event(void *opaque, int event) | |
2030 | { | |
2031 | CharDriverState *chr = opaque; | |
2032 | MuxDriver *d = chr->opaque; | |
2033 | int i; | |
2034 | ||
2035 | /* Send the event to all registered listeners */ | |
2036 | for (i = 0; i < d->mux_cnt; i++) | |
2037 | if (d->chr_event[i]) | |
2038 | d->chr_event[i](d->ext_opaque[i], event); | |
2039 | } | |
2040 | ||
2041 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
2042 | { | |
2043 | MuxDriver *d = chr->opaque; | |
2044 | ||
2045 | if (d->mux_cnt >= MAX_MUX) { | |
2046 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
2047 | return; | |
2048 | } | |
2049 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
2050 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
2051 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
2052 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
2053 | /* Fix up the real driver with mux routines */ | |
2054 | if (d->mux_cnt == 0) { | |
2055 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
2056 | mux_chr_event, chr); | |
2057 | } | |
2058 | chr->focus = d->mux_cnt; | |
2059 | d->mux_cnt++; | |
2060 | } | |
2061 | ||
2062 | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
2063 | { | |
2064 | CharDriverState *chr; | |
2065 | MuxDriver *d; | |
2066 | ||
2067 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2068 | if (!chr) | |
2069 | return NULL; | |
2070 | d = qemu_mallocz(sizeof(MuxDriver)); | |
2071 | if (!d) { | |
2072 | free(chr); | |
2073 | return NULL; | |
2074 | } | |
2075 | ||
2076 | chr->opaque = d; | |
2077 | d->drv = drv; | |
2078 | chr->focus = -1; | |
2079 | chr->chr_write = mux_chr_write; | |
2080 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
2081 | chr->chr_accept_input = mux_chr_accept_input; | |
2082 | return chr; | |
2083 | } | |
2084 | ||
2085 | ||
2086 | #ifdef _WIN32 | |
2087 | ||
2088 | static void socket_cleanup(void) | |
2089 | { | |
2090 | WSACleanup(); | |
2091 | } | |
2092 | ||
2093 | static int socket_init(void) | |
2094 | { | |
2095 | WSADATA Data; | |
2096 | int ret, err; | |
2097 | ||
2098 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
2099 | if (ret != 0) { | |
2100 | err = WSAGetLastError(); | |
2101 | fprintf(stderr, "WSAStartup: %d\n", err); | |
2102 | return -1; | |
2103 | } | |
2104 | atexit(socket_cleanup); | |
2105 | return 0; | |
2106 | } | |
2107 | ||
2108 | static int send_all(int fd, const uint8_t *buf, int len1) | |
2109 | { | |
2110 | int ret, len; | |
2111 | ||
2112 | len = len1; | |
2113 | while (len > 0) { | |
2114 | ret = send(fd, buf, len, 0); | |
2115 | if (ret < 0) { | |
2116 | int errno; | |
2117 | errno = WSAGetLastError(); | |
2118 | if (errno != WSAEWOULDBLOCK) { | |
2119 | return -1; | |
2120 | } | |
2121 | } else if (ret == 0) { | |
2122 | break; | |
2123 | } else { | |
2124 | buf += ret; | |
2125 | len -= ret; | |
2126 | } | |
2127 | } | |
2128 | return len1 - len; | |
2129 | } | |
2130 | ||
2131 | #else | |
2132 | ||
2133 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
2134 | { | |
2135 | int ret, len; | |
2136 | ||
2137 | len = len1; | |
2138 | while (len > 0) { | |
2139 | ret = write(fd, buf, len); | |
2140 | if (ret < 0) { | |
2141 | if (errno != EINTR && errno != EAGAIN) | |
2142 | return -1; | |
2143 | } else if (ret == 0) { | |
2144 | break; | |
2145 | } else { | |
2146 | buf += ret; | |
2147 | len -= ret; | |
2148 | } | |
2149 | } | |
2150 | return len1 - len; | |
2151 | } | |
2152 | ||
2153 | static inline int send_all(int fd, const uint8_t *buf, int len1) | |
2154 | { | |
2155 | return unix_write(fd, buf, len1); | |
2156 | } | |
2157 | #endif /* !_WIN32 */ | |
2158 | ||
2159 | #ifndef _WIN32 | |
2160 | ||
2161 | typedef struct { | |
2162 | int fd_in, fd_out; | |
2163 | int max_size; | |
2164 | } FDCharDriver; | |
2165 | ||
2166 | #define STDIO_MAX_CLIENTS 1 | |
2167 | static int stdio_nb_clients = 0; | |
2168 | ||
2169 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2170 | { | |
2171 | FDCharDriver *s = chr->opaque; | |
2172 | return unix_write(s->fd_out, buf, len); | |
2173 | } | |
2174 | ||
2175 | static int fd_chr_read_poll(void *opaque) | |
2176 | { | |
2177 | CharDriverState *chr = opaque; | |
2178 | FDCharDriver *s = chr->opaque; | |
2179 | ||
2180 | s->max_size = qemu_chr_can_read(chr); | |
2181 | return s->max_size; | |
2182 | } | |
2183 | ||
2184 | static void fd_chr_read(void *opaque) | |
2185 | { | |
2186 | CharDriverState *chr = opaque; | |
2187 | FDCharDriver *s = chr->opaque; | |
2188 | int size, len; | |
2189 | uint8_t buf[1024]; | |
2190 | ||
2191 | len = sizeof(buf); | |
2192 | if (len > s->max_size) | |
2193 | len = s->max_size; | |
2194 | if (len == 0) | |
2195 | return; | |
2196 | size = read(s->fd_in, buf, len); | |
2197 | if (size == 0) { | |
2198 | /* FD has been closed. Remove it from the active list. */ | |
2199 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
2200 | return; | |
2201 | } | |
2202 | if (size > 0) { | |
2203 | qemu_chr_read(chr, buf, size); | |
2204 | } | |
2205 | } | |
2206 | ||
2207 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
2208 | { | |
2209 | FDCharDriver *s = chr->opaque; | |
2210 | ||
2211 | if (s->fd_in >= 0) { | |
2212 | if (nographic && s->fd_in == 0) { | |
2213 | } else { | |
2214 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
2215 | fd_chr_read, NULL, chr); | |
2216 | } | |
2217 | } | |
2218 | } | |
2219 | ||
2220 | static void fd_chr_close(struct CharDriverState *chr) | |
2221 | { | |
2222 | FDCharDriver *s = chr->opaque; | |
2223 | ||
2224 | if (s->fd_in >= 0) { | |
2225 | if (nographic && s->fd_in == 0) { | |
2226 | } else { | |
2227 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
2228 | } | |
2229 | } | |
2230 | ||
2231 | qemu_free(s); | |
2232 | } | |
2233 | ||
2234 | /* open a character device to a unix fd */ | |
2235 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
2236 | { | |
2237 | CharDriverState *chr; | |
2238 | FDCharDriver *s; | |
2239 | ||
2240 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2241 | if (!chr) | |
2242 | return NULL; | |
2243 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
2244 | if (!s) { | |
2245 | free(chr); | |
2246 | return NULL; | |
2247 | } | |
2248 | s->fd_in = fd_in; | |
2249 | s->fd_out = fd_out; | |
2250 | chr->opaque = s; | |
2251 | chr->chr_write = fd_chr_write; | |
2252 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
2253 | chr->chr_close = fd_chr_close; | |
2254 | ||
2255 | qemu_chr_reset(chr); | |
2256 | ||
2257 | return chr; | |
2258 | } | |
2259 | ||
2260 | static CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
2261 | { | |
2262 | int fd_out; | |
2263 | ||
2264 | TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); | |
2265 | if (fd_out < 0) | |
2266 | return NULL; | |
2267 | return qemu_chr_open_fd(-1, fd_out); | |
2268 | } | |
2269 | ||
2270 | static CharDriverState *qemu_chr_open_pipe(const char *filename) | |
2271 | { | |
2272 | int fd_in, fd_out; | |
2273 | char filename_in[256], filename_out[256]; | |
2274 | ||
2275 | snprintf(filename_in, 256, "%s.in", filename); | |
2276 | snprintf(filename_out, 256, "%s.out", filename); | |
2277 | TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); | |
2278 | TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); | |
2279 | if (fd_in < 0 || fd_out < 0) { | |
2280 | if (fd_in >= 0) | |
2281 | close(fd_in); | |
2282 | if (fd_out >= 0) | |
2283 | close(fd_out); | |
2284 | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); | |
2285 | if (fd_in < 0) | |
2286 | return NULL; | |
2287 | } | |
2288 | return qemu_chr_open_fd(fd_in, fd_out); | |
2289 | } | |
2290 | ||
2291 | ||
2292 | /* for STDIO, we handle the case where several clients use it | |
2293 | (nographic mode) */ | |
2294 | ||
2295 | #define TERM_FIFO_MAX_SIZE 1 | |
2296 | ||
2297 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
2298 | static int term_fifo_size; | |
2299 | ||
2300 | static int stdio_read_poll(void *opaque) | |
2301 | { | |
2302 | CharDriverState *chr = opaque; | |
2303 | ||
2304 | /* try to flush the queue if needed */ | |
2305 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
2306 | qemu_chr_read(chr, term_fifo, 1); | |
2307 | term_fifo_size = 0; | |
2308 | } | |
2309 | /* see if we can absorb more chars */ | |
2310 | if (term_fifo_size == 0) | |
2311 | return 1; | |
2312 | else | |
2313 | return 0; | |
2314 | } | |
2315 | ||
2316 | static void stdio_read(void *opaque) | |
2317 | { | |
2318 | int size; | |
2319 | uint8_t buf[1]; | |
2320 | CharDriverState *chr = opaque; | |
2321 | ||
2322 | size = read(0, buf, 1); | |
2323 | if (size == 0) { | |
2324 | /* stdin has been closed. Remove it from the active list. */ | |
2325 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
2326 | return; | |
2327 | } | |
2328 | if (size > 0) { | |
2329 | if (qemu_chr_can_read(chr) > 0) { | |
2330 | qemu_chr_read(chr, buf, 1); | |
2331 | } else if (term_fifo_size == 0) { | |
2332 | term_fifo[term_fifo_size++] = buf[0]; | |
2333 | } | |
2334 | } | |
2335 | } | |
2336 | ||
2337 | /* init terminal so that we can grab keys */ | |
2338 | static struct termios oldtty; | |
2339 | static int old_fd0_flags; | |
2340 | static int term_atexit_done; | |
2341 | ||
2342 | static void term_exit(void) | |
2343 | { | |
2344 | tcsetattr (0, TCSANOW, &oldtty); | |
2345 | fcntl(0, F_SETFL, old_fd0_flags); | |
2346 | } | |
2347 | ||
2348 | static void term_init(void) | |
2349 | { | |
2350 | struct termios tty; | |
2351 | ||
2352 | tcgetattr (0, &tty); | |
2353 | oldtty = tty; | |
2354 | old_fd0_flags = fcntl(0, F_GETFL); | |
2355 | ||
2356 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
2357 | |INLCR|IGNCR|ICRNL|IXON); | |
2358 | tty.c_oflag |= OPOST; | |
2359 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
2360 | /* if graphical mode, we allow Ctrl-C handling */ | |
2361 | if (nographic) | |
2362 | tty.c_lflag &= ~ISIG; | |
2363 | tty.c_cflag &= ~(CSIZE|PARENB); | |
2364 | tty.c_cflag |= CS8; | |
2365 | tty.c_cc[VMIN] = 1; | |
2366 | tty.c_cc[VTIME] = 0; | |
2367 | ||
2368 | tcsetattr (0, TCSANOW, &tty); | |
2369 | ||
2370 | if (!term_atexit_done++) | |
2371 | atexit(term_exit); | |
2372 | ||
2373 | fcntl(0, F_SETFL, O_NONBLOCK); | |
2374 | } | |
2375 | ||
2376 | static void qemu_chr_close_stdio(struct CharDriverState *chr) | |
2377 | { | |
2378 | term_exit(); | |
2379 | stdio_nb_clients--; | |
2380 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
2381 | fd_chr_close(chr); | |
2382 | } | |
2383 | ||
2384 | static CharDriverState *qemu_chr_open_stdio(void) | |
2385 | { | |
2386 | CharDriverState *chr; | |
2387 | ||
2388 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
2389 | return NULL; | |
2390 | chr = qemu_chr_open_fd(0, 1); | |
2391 | chr->chr_close = qemu_chr_close_stdio; | |
2392 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); | |
2393 | stdio_nb_clients++; | |
2394 | term_init(); | |
2395 | ||
2396 | return chr; | |
2397 | } | |
2398 | ||
2399 | #ifdef __sun__ | |
2400 | /* Once Solaris has openpty(), this is going to be removed. */ | |
2401 | int openpty(int *amaster, int *aslave, char *name, | |
2402 | struct termios *termp, struct winsize *winp) | |
2403 | { | |
2404 | const char *slave; | |
2405 | int mfd = -1, sfd = -1; | |
2406 | ||
2407 | *amaster = *aslave = -1; | |
2408 | ||
2409 | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); | |
2410 | if (mfd < 0) | |
2411 | goto err; | |
2412 | ||
2413 | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) | |
2414 | goto err; | |
2415 | ||
2416 | if ((slave = ptsname(mfd)) == NULL) | |
2417 | goto err; | |
2418 | ||
2419 | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) | |
2420 | goto err; | |
2421 | ||
2422 | if (ioctl(sfd, I_PUSH, "ptem") == -1 || | |
2423 | (termp != NULL && tcgetattr(sfd, termp) < 0)) | |
2424 | goto err; | |
2425 | ||
2426 | if (amaster) | |
2427 | *amaster = mfd; | |
2428 | if (aslave) | |
2429 | *aslave = sfd; | |
2430 | if (winp) | |
2431 | ioctl(sfd, TIOCSWINSZ, winp); | |
2432 | ||
2433 | return 0; | |
2434 | ||
2435 | err: | |
2436 | if (sfd != -1) | |
2437 | close(sfd); | |
2438 | close(mfd); | |
2439 | return -1; | |
2440 | } | |
2441 | ||
2442 | void cfmakeraw (struct termios *termios_p) | |
2443 | { | |
2444 | termios_p->c_iflag &= | |
2445 | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); | |
2446 | termios_p->c_oflag &= ~OPOST; | |
2447 | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); | |
2448 | termios_p->c_cflag &= ~(CSIZE|PARENB); | |
2449 | termios_p->c_cflag |= CS8; | |
2450 | ||
2451 | termios_p->c_cc[VMIN] = 0; | |
2452 | termios_p->c_cc[VTIME] = 0; | |
2453 | } | |
2454 | #endif | |
2455 | ||
2456 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
2457 | || defined(__NetBSD__) || defined(__OpenBSD__) | |
2458 | ||
2459 | typedef struct { | |
2460 | int fd; | |
2461 | int connected; | |
2462 | int polling; | |
2463 | int read_bytes; | |
2464 | QEMUTimer *timer; | |
2465 | } PtyCharDriver; | |
2466 | ||
2467 | static void pty_chr_update_read_handler(CharDriverState *chr); | |
2468 | static void pty_chr_state(CharDriverState *chr, int connected); | |
2469 | ||
2470 | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2471 | { | |
2472 | PtyCharDriver *s = chr->opaque; | |
2473 | ||
2474 | if (!s->connected) { | |
2475 | /* guest sends data, check for (re-)connect */ | |
2476 | pty_chr_update_read_handler(chr); | |
2477 | return 0; | |
2478 | } | |
2479 | return unix_write(s->fd, buf, len); | |
2480 | } | |
2481 | ||
2482 | static int pty_chr_read_poll(void *opaque) | |
2483 | { | |
2484 | CharDriverState *chr = opaque; | |
2485 | PtyCharDriver *s = chr->opaque; | |
2486 | ||
2487 | s->read_bytes = qemu_chr_can_read(chr); | |
2488 | return s->read_bytes; | |
2489 | } | |
2490 | ||
2491 | static void pty_chr_read(void *opaque) | |
2492 | { | |
2493 | CharDriverState *chr = opaque; | |
2494 | PtyCharDriver *s = chr->opaque; | |
2495 | int size, len; | |
2496 | uint8_t buf[1024]; | |
2497 | ||
2498 | len = sizeof(buf); | |
2499 | if (len > s->read_bytes) | |
2500 | len = s->read_bytes; | |
2501 | if (len == 0) | |
2502 | return; | |
2503 | size = read(s->fd, buf, len); | |
2504 | if ((size == -1 && errno == EIO) || | |
2505 | (size == 0)) { | |
2506 | pty_chr_state(chr, 0); | |
2507 | return; | |
2508 | } | |
2509 | if (size > 0) { | |
2510 | pty_chr_state(chr, 1); | |
2511 | qemu_chr_read(chr, buf, size); | |
2512 | } | |
2513 | } | |
2514 | ||
2515 | static void pty_chr_update_read_handler(CharDriverState *chr) | |
2516 | { | |
2517 | PtyCharDriver *s = chr->opaque; | |
2518 | ||
2519 | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, | |
2520 | pty_chr_read, NULL, chr); | |
2521 | s->polling = 1; | |
2522 | /* | |
2523 | * Short timeout here: just need wait long enougth that qemu makes | |
2524 | * it through the poll loop once. When reconnected we want a | |
2525 | * short timeout so we notice it almost instantly. Otherwise | |
2526 | * read() gives us -EIO instantly, making pty_chr_state() reset the | |
2527 | * timeout to the normal (much longer) poll interval before the | |
2528 | * timer triggers. | |
2529 | */ | |
2530 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); | |
2531 | } | |
2532 | ||
2533 | static void pty_chr_state(CharDriverState *chr, int connected) | |
2534 | { | |
2535 | PtyCharDriver *s = chr->opaque; | |
2536 | ||
2537 | if (!connected) { | |
2538 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
2539 | s->connected = 0; | |
2540 | s->polling = 0; | |
2541 | /* (re-)connect poll interval for idle guests: once per second. | |
2542 | * We check more frequently in case the guests sends data to | |
2543 | * the virtual device linked to our pty. */ | |
2544 | qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); | |
2545 | } else { | |
2546 | if (!s->connected) | |
2547 | qemu_chr_reset(chr); | |
2548 | s->connected = 1; | |
2549 | } | |
2550 | } | |
2551 | ||
2552 | static void pty_chr_timer(void *opaque) | |
2553 | { | |
2554 | struct CharDriverState *chr = opaque; | |
2555 | PtyCharDriver *s = chr->opaque; | |
2556 | ||
2557 | if (s->connected) | |
2558 | return; | |
2559 | if (s->polling) { | |
2560 | /* If we arrive here without polling being cleared due | |
2561 | * read returning -EIO, then we are (re-)connected */ | |
2562 | pty_chr_state(chr, 1); | |
2563 | return; | |
2564 | } | |
2565 | ||
2566 | /* Next poll ... */ | |
2567 | pty_chr_update_read_handler(chr); | |
2568 | } | |
2569 | ||
2570 | static void pty_chr_close(struct CharDriverState *chr) | |
2571 | { | |
2572 | PtyCharDriver *s = chr->opaque; | |
2573 | ||
2574 | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); | |
2575 | close(s->fd); | |
2576 | qemu_free(s); | |
2577 | } | |
2578 | ||
2579 | static CharDriverState *qemu_chr_open_pty(void) | |
2580 | { | |
2581 | CharDriverState *chr; | |
2582 | PtyCharDriver *s; | |
2583 | struct termios tty; | |
2584 | int slave_fd, len; | |
2585 | #if defined(__OpenBSD__) | |
2586 | char pty_name[PATH_MAX]; | |
2587 | #define q_ptsname(x) pty_name | |
2588 | #else | |
2589 | char *pty_name = NULL; | |
2590 | #define q_ptsname(x) ptsname(x) | |
2591 | #endif | |
2592 | ||
2593 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2594 | if (!chr) | |
2595 | return NULL; | |
2596 | s = qemu_mallocz(sizeof(PtyCharDriver)); | |
2597 | if (!s) { | |
2598 | qemu_free(chr); | |
2599 | return NULL; | |
2600 | } | |
2601 | ||
2602 | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { | |
2603 | return NULL; | |
2604 | } | |
2605 | ||
2606 | /* Set raw attributes on the pty. */ | |
2607 | cfmakeraw(&tty); | |
2608 | tcsetattr(slave_fd, TCSAFLUSH, &tty); | |
2609 | close(slave_fd); | |
2610 | ||
2611 | len = strlen(q_ptsname(s->fd)) + 5; | |
2612 | chr->filename = qemu_malloc(len); | |
2613 | snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd)); | |
2614 | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); | |
2615 | ||
2616 | chr->opaque = s; | |
2617 | chr->chr_write = pty_chr_write; | |
2618 | chr->chr_update_read_handler = pty_chr_update_read_handler; | |
2619 | chr->chr_close = pty_chr_close; | |
2620 | ||
2621 | s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); | |
2622 | ||
2623 | return chr; | |
2624 | } | |
2625 | ||
2626 | static void tty_serial_init(int fd, int speed, | |
2627 | int parity, int data_bits, int stop_bits) | |
2628 | { | |
2629 | struct termios tty; | |
2630 | speed_t spd; | |
2631 | ||
2632 | #if 0 | |
2633 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
2634 | speed, parity, data_bits, stop_bits); | |
2635 | #endif | |
2636 | tcgetattr (fd, &tty); | |
2637 | ||
2638 | #define MARGIN 1.1 | |
2639 | if (speed <= 50 * MARGIN) | |
2640 | spd = B50; | |
2641 | else if (speed <= 75 * MARGIN) | |
2642 | spd = B75; | |
2643 | else if (speed <= 300 * MARGIN) | |
2644 | spd = B300; | |
2645 | else if (speed <= 600 * MARGIN) | |
2646 | spd = B600; | |
2647 | else if (speed <= 1200 * MARGIN) | |
2648 | spd = B1200; | |
2649 | else if (speed <= 2400 * MARGIN) | |
2650 | spd = B2400; | |
2651 | else if (speed <= 4800 * MARGIN) | |
2652 | spd = B4800; | |
2653 | else if (speed <= 9600 * MARGIN) | |
2654 | spd = B9600; | |
2655 | else if (speed <= 19200 * MARGIN) | |
2656 | spd = B19200; | |
2657 | else if (speed <= 38400 * MARGIN) | |
2658 | spd = B38400; | |
2659 | else if (speed <= 57600 * MARGIN) | |
2660 | spd = B57600; | |
2661 | else if (speed <= 115200 * MARGIN) | |
2662 | spd = B115200; | |
2663 | else | |
2664 | spd = B115200; | |
2665 | ||
2666 | cfsetispeed(&tty, spd); | |
2667 | cfsetospeed(&tty, spd); | |
2668 | ||
2669 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
2670 | |INLCR|IGNCR|ICRNL|IXON); | |
2671 | tty.c_oflag |= OPOST; | |
2672 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
2673 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
2674 | switch(data_bits) { | |
2675 | default: | |
2676 | case 8: | |
2677 | tty.c_cflag |= CS8; | |
2678 | break; | |
2679 | case 7: | |
2680 | tty.c_cflag |= CS7; | |
2681 | break; | |
2682 | case 6: | |
2683 | tty.c_cflag |= CS6; | |
2684 | break; | |
2685 | case 5: | |
2686 | tty.c_cflag |= CS5; | |
2687 | break; | |
2688 | } | |
2689 | switch(parity) { | |
2690 | default: | |
2691 | case 'N': | |
2692 | break; | |
2693 | case 'E': | |
2694 | tty.c_cflag |= PARENB; | |
2695 | break; | |
2696 | case 'O': | |
2697 | tty.c_cflag |= PARENB | PARODD; | |
2698 | break; | |
2699 | } | |
2700 | if (stop_bits == 2) | |
2701 | tty.c_cflag |= CSTOPB; | |
2702 | ||
2703 | tcsetattr (fd, TCSANOW, &tty); | |
2704 | } | |
2705 | ||
2706 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
2707 | { | |
2708 | FDCharDriver *s = chr->opaque; | |
2709 | ||
2710 | switch(cmd) { | |
2711 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
2712 | { | |
2713 | QEMUSerialSetParams *ssp = arg; | |
2714 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
2715 | ssp->data_bits, ssp->stop_bits); | |
2716 | } | |
2717 | break; | |
2718 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
2719 | { | |
2720 | int enable = *(int *)arg; | |
2721 | if (enable) | |
2722 | tcsendbreak(s->fd_in, 1); | |
2723 | } | |
2724 | break; | |
2725 | case CHR_IOCTL_SERIAL_GET_TIOCM: | |
2726 | { | |
2727 | int sarg = 0; | |
2728 | int *targ = (int *)arg; | |
2729 | ioctl(s->fd_in, TIOCMGET, &sarg); | |
2730 | *targ = 0; | |
2731 | if (sarg | TIOCM_CTS) | |
2732 | *targ |= CHR_TIOCM_CTS; | |
2733 | if (sarg | TIOCM_CAR) | |
2734 | *targ |= CHR_TIOCM_CAR; | |
2735 | if (sarg | TIOCM_DSR) | |
2736 | *targ |= CHR_TIOCM_DSR; | |
2737 | if (sarg | TIOCM_RI) | |
2738 | *targ |= CHR_TIOCM_RI; | |
2739 | if (sarg | TIOCM_DTR) | |
2740 | *targ |= CHR_TIOCM_DTR; | |
2741 | if (sarg | TIOCM_RTS) | |
2742 | *targ |= CHR_TIOCM_RTS; | |
2743 | } | |
2744 | break; | |
2745 | case CHR_IOCTL_SERIAL_SET_TIOCM: | |
2746 | { | |
2747 | int sarg = *(int *)arg; | |
2748 | int targ = 0; | |
2749 | if (sarg | CHR_TIOCM_DTR) | |
2750 | targ |= TIOCM_DTR; | |
2751 | if (sarg | CHR_TIOCM_RTS) | |
2752 | targ |= TIOCM_RTS; | |
2753 | ioctl(s->fd_in, TIOCMSET, &targ); | |
2754 | } | |
2755 | break; | |
2756 | default: | |
2757 | return -ENOTSUP; | |
2758 | } | |
2759 | return 0; | |
2760 | } | |
2761 | ||
2762 | static CharDriverState *qemu_chr_open_tty(const char *filename) | |
2763 | { | |
2764 | CharDriverState *chr; | |
2765 | int fd; | |
2766 | ||
2767 | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); | |
2768 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
2769 | chr = qemu_chr_open_fd(fd, fd); | |
2770 | if (!chr) { | |
2771 | close(fd); | |
2772 | return NULL; | |
2773 | } | |
2774 | chr->chr_ioctl = tty_serial_ioctl; | |
2775 | qemu_chr_reset(chr); | |
2776 | return chr; | |
2777 | } | |
2778 | #else /* ! __linux__ && ! __sun__ */ | |
2779 | static CharDriverState *qemu_chr_open_pty(void) | |
2780 | { | |
2781 | return NULL; | |
2782 | } | |
2783 | #endif /* __linux__ || __sun__ */ | |
2784 | ||
2785 | #if defined(__linux__) | |
2786 | typedef struct { | |
2787 | int fd; | |
2788 | int mode; | |
2789 | } ParallelCharDriver; | |
2790 | ||
2791 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
2792 | { | |
2793 | if (s->mode != mode) { | |
2794 | int m = mode; | |
2795 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
2796 | return 0; | |
2797 | s->mode = mode; | |
2798 | } | |
2799 | return 1; | |
2800 | } | |
2801 | ||
2802 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
2803 | { | |
2804 | ParallelCharDriver *drv = chr->opaque; | |
2805 | int fd = drv->fd; | |
2806 | uint8_t b; | |
2807 | ||
2808 | switch(cmd) { | |
2809 | case CHR_IOCTL_PP_READ_DATA: | |
2810 | if (ioctl(fd, PPRDATA, &b) < 0) | |
2811 | return -ENOTSUP; | |
2812 | *(uint8_t *)arg = b; | |
2813 | break; | |
2814 | case CHR_IOCTL_PP_WRITE_DATA: | |
2815 | b = *(uint8_t *)arg; | |
2816 | if (ioctl(fd, PPWDATA, &b) < 0) | |
2817 | return -ENOTSUP; | |
2818 | break; | |
2819 | case CHR_IOCTL_PP_READ_CONTROL: | |
2820 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
2821 | return -ENOTSUP; | |
2822 | /* Linux gives only the lowest bits, and no way to know data | |
2823 | direction! For better compatibility set the fixed upper | |
2824 | bits. */ | |
2825 | *(uint8_t *)arg = b | 0xc0; | |
2826 | break; | |
2827 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
2828 | b = *(uint8_t *)arg; | |
2829 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
2830 | return -ENOTSUP; | |
2831 | break; | |
2832 | case CHR_IOCTL_PP_READ_STATUS: | |
2833 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
2834 | return -ENOTSUP; | |
2835 | *(uint8_t *)arg = b; | |
2836 | break; | |
2837 | case CHR_IOCTL_PP_DATA_DIR: | |
2838 | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) | |
2839 | return -ENOTSUP; | |
2840 | break; | |
2841 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
2842 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
2843 | struct ParallelIOArg *parg = arg; | |
2844 | int n = read(fd, parg->buffer, parg->count); | |
2845 | if (n != parg->count) { | |
2846 | return -EIO; | |
2847 | } | |
2848 | } | |
2849 | break; | |
2850 | case CHR_IOCTL_PP_EPP_READ: | |
2851 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
2852 | struct ParallelIOArg *parg = arg; | |
2853 | int n = read(fd, parg->buffer, parg->count); | |
2854 | if (n != parg->count) { | |
2855 | return -EIO; | |
2856 | } | |
2857 | } | |
2858 | break; | |
2859 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
2860 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
2861 | struct ParallelIOArg *parg = arg; | |
2862 | int n = write(fd, parg->buffer, parg->count); | |
2863 | if (n != parg->count) { | |
2864 | return -EIO; | |
2865 | } | |
2866 | } | |
2867 | break; | |
2868 | case CHR_IOCTL_PP_EPP_WRITE: | |
2869 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
2870 | struct ParallelIOArg *parg = arg; | |
2871 | int n = write(fd, parg->buffer, parg->count); | |
2872 | if (n != parg->count) { | |
2873 | return -EIO; | |
2874 | } | |
2875 | } | |
2876 | break; | |
2877 | default: | |
2878 | return -ENOTSUP; | |
2879 | } | |
2880 | return 0; | |
2881 | } | |
2882 | ||
2883 | static void pp_close(CharDriverState *chr) | |
2884 | { | |
2885 | ParallelCharDriver *drv = chr->opaque; | |
2886 | int fd = drv->fd; | |
2887 | ||
2888 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
2889 | ioctl(fd, PPRELEASE); | |
2890 | close(fd); | |
2891 | qemu_free(drv); | |
2892 | } | |
2893 | ||
2894 | static CharDriverState *qemu_chr_open_pp(const char *filename) | |
2895 | { | |
2896 | CharDriverState *chr; | |
2897 | ParallelCharDriver *drv; | |
2898 | int fd; | |
2899 | ||
2900 | TFR(fd = open(filename, O_RDWR)); | |
2901 | if (fd < 0) | |
2902 | return NULL; | |
2903 | ||
2904 | if (ioctl(fd, PPCLAIM) < 0) { | |
2905 | close(fd); | |
2906 | return NULL; | |
2907 | } | |
2908 | ||
2909 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
2910 | if (!drv) { | |
2911 | close(fd); | |
2912 | return NULL; | |
2913 | } | |
2914 | drv->fd = fd; | |
2915 | drv->mode = IEEE1284_MODE_COMPAT; | |
2916 | ||
2917 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2918 | if (!chr) { | |
2919 | qemu_free(drv); | |
2920 | close(fd); | |
2921 | return NULL; | |
2922 | } | |
2923 | chr->chr_write = null_chr_write; | |
2924 | chr->chr_ioctl = pp_ioctl; | |
2925 | chr->chr_close = pp_close; | |
2926 | chr->opaque = drv; | |
2927 | ||
2928 | qemu_chr_reset(chr); | |
2929 | ||
2930 | return chr; | |
2931 | } | |
2932 | #endif /* __linux__ */ | |
2933 | ||
2934 | #else /* _WIN32 */ | |
2935 | ||
2936 | typedef struct { | |
2937 | int max_size; | |
2938 | HANDLE hcom, hrecv, hsend; | |
2939 | OVERLAPPED orecv, osend; | |
2940 | BOOL fpipe; | |
2941 | DWORD len; | |
2942 | } WinCharState; | |
2943 | ||
2944 | #define NSENDBUF 2048 | |
2945 | #define NRECVBUF 2048 | |
2946 | #define MAXCONNECT 1 | |
2947 | #define NTIMEOUT 5000 | |
2948 | ||
2949 | static int win_chr_poll(void *opaque); | |
2950 | static int win_chr_pipe_poll(void *opaque); | |
2951 | ||
2952 | static void win_chr_close(CharDriverState *chr) | |
2953 | { | |
2954 | WinCharState *s = chr->opaque; | |
2955 | ||
2956 | if (s->hsend) { | |
2957 | CloseHandle(s->hsend); | |
2958 | s->hsend = NULL; | |
2959 | } | |
2960 | if (s->hrecv) { | |
2961 | CloseHandle(s->hrecv); | |
2962 | s->hrecv = NULL; | |
2963 | } | |
2964 | if (s->hcom) { | |
2965 | CloseHandle(s->hcom); | |
2966 | s->hcom = NULL; | |
2967 | } | |
2968 | if (s->fpipe) | |
2969 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
2970 | else | |
2971 | qemu_del_polling_cb(win_chr_poll, chr); | |
2972 | } | |
2973 | ||
2974 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
2975 | { | |
2976 | WinCharState *s = chr->opaque; | |
2977 | COMMCONFIG comcfg; | |
2978 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
2979 | COMSTAT comstat; | |
2980 | DWORD size; | |
2981 | DWORD err; | |
2982 | ||
2983 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2984 | if (!s->hsend) { | |
2985 | fprintf(stderr, "Failed CreateEvent\n"); | |
2986 | goto fail; | |
2987 | } | |
2988 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2989 | if (!s->hrecv) { | |
2990 | fprintf(stderr, "Failed CreateEvent\n"); | |
2991 | goto fail; | |
2992 | } | |
2993 | ||
2994 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
2995 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
2996 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2997 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
2998 | s->hcom = NULL; | |
2999 | goto fail; | |
3000 | } | |
3001 | ||
3002 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
3003 | fprintf(stderr, "Failed SetupComm\n"); | |
3004 | goto fail; | |
3005 | } | |
3006 | ||
3007 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
3008 | size = sizeof(COMMCONFIG); | |
3009 | GetDefaultCommConfig(filename, &comcfg, &size); | |
3010 | comcfg.dcb.DCBlength = sizeof(DCB); | |
3011 | CommConfigDialog(filename, NULL, &comcfg); | |
3012 | ||
3013 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
3014 | fprintf(stderr, "Failed SetCommState\n"); | |
3015 | goto fail; | |
3016 | } | |
3017 | ||
3018 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
3019 | fprintf(stderr, "Failed SetCommMask\n"); | |
3020 | goto fail; | |
3021 | } | |
3022 | ||
3023 | cto.ReadIntervalTimeout = MAXDWORD; | |
3024 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
3025 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
3026 | goto fail; | |
3027 | } | |
3028 | ||
3029 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
3030 | fprintf(stderr, "Failed ClearCommError\n"); | |
3031 | goto fail; | |
3032 | } | |
3033 | qemu_add_polling_cb(win_chr_poll, chr); | |
3034 | return 0; | |
3035 | ||
3036 | fail: | |
3037 | win_chr_close(chr); | |
3038 | return -1; | |
3039 | } | |
3040 | ||
3041 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
3042 | { | |
3043 | WinCharState *s = chr->opaque; | |
3044 | DWORD len, ret, size, err; | |
3045 | ||
3046 | len = len1; | |
3047 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
3048 | s->osend.hEvent = s->hsend; | |
3049 | while (len > 0) { | |
3050 | if (s->hsend) | |
3051 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
3052 | else | |
3053 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
3054 | if (!ret) { | |
3055 | err = GetLastError(); | |
3056 | if (err == ERROR_IO_PENDING) { | |
3057 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
3058 | if (ret) { | |
3059 | buf += size; | |
3060 | len -= size; | |
3061 | } else { | |
3062 | break; | |
3063 | } | |
3064 | } else { | |
3065 | break; | |
3066 | } | |
3067 | } else { | |
3068 | buf += size; | |
3069 | len -= size; | |
3070 | } | |
3071 | } | |
3072 | return len1 - len; | |
3073 | } | |
3074 | ||
3075 | static int win_chr_read_poll(CharDriverState *chr) | |
3076 | { | |
3077 | WinCharState *s = chr->opaque; | |
3078 | ||
3079 | s->max_size = qemu_chr_can_read(chr); | |
3080 | return s->max_size; | |
3081 | } | |
3082 | ||
3083 | static void win_chr_readfile(CharDriverState *chr) | |
3084 | { | |
3085 | WinCharState *s = chr->opaque; | |
3086 | int ret, err; | |
3087 | uint8_t buf[1024]; | |
3088 | DWORD size; | |
3089 | ||
3090 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
3091 | s->orecv.hEvent = s->hrecv; | |
3092 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
3093 | if (!ret) { | |
3094 | err = GetLastError(); | |
3095 | if (err == ERROR_IO_PENDING) { | |
3096 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
3097 | } | |
3098 | } | |
3099 | ||
3100 | if (size > 0) { | |
3101 | qemu_chr_read(chr, buf, size); | |
3102 | } | |
3103 | } | |
3104 | ||
3105 | static void win_chr_read(CharDriverState *chr) | |
3106 | { | |
3107 | WinCharState *s = chr->opaque; | |
3108 | ||
3109 | if (s->len > s->max_size) | |
3110 | s->len = s->max_size; | |
3111 | if (s->len == 0) | |
3112 | return; | |
3113 | ||
3114 | win_chr_readfile(chr); | |
3115 | } | |
3116 | ||
3117 | static int win_chr_poll(void *opaque) | |
3118 | { | |
3119 | CharDriverState *chr = opaque; | |
3120 | WinCharState *s = chr->opaque; | |
3121 | COMSTAT status; | |
3122 | DWORD comerr; | |
3123 | ||
3124 | ClearCommError(s->hcom, &comerr, &status); | |
3125 | if (status.cbInQue > 0) { | |
3126 | s->len = status.cbInQue; | |
3127 | win_chr_read_poll(chr); | |
3128 | win_chr_read(chr); | |
3129 | return 1; | |
3130 | } | |
3131 | return 0; | |
3132 | } | |
3133 | ||
3134 | static CharDriverState *qemu_chr_open_win(const char *filename) | |
3135 | { | |
3136 | CharDriverState *chr; | |
3137 | WinCharState *s; | |
3138 | ||
3139 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
3140 | if (!chr) | |
3141 | return NULL; | |
3142 | s = qemu_mallocz(sizeof(WinCharState)); | |
3143 | if (!s) { | |
3144 | free(chr); | |
3145 | return NULL; | |
3146 | } | |
3147 | chr->opaque = s; | |
3148 | chr->chr_write = win_chr_write; | |
3149 | chr->chr_close = win_chr_close; | |
3150 | ||
3151 | if (win_chr_init(chr, filename) < 0) { | |
3152 | free(s); | |
3153 | free(chr); | |
3154 | return NULL; | |
3155 | } | |
3156 | qemu_chr_reset(chr); | |
3157 | return chr; | |
3158 | } | |
3159 | ||
3160 | static int win_chr_pipe_poll(void *opaque) | |
3161 | { | |
3162 | CharDriverState *chr = opaque; | |
3163 | WinCharState *s = chr->opaque; | |
3164 | DWORD size; | |
3165 | ||
3166 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
3167 | if (size > 0) { | |
3168 | s->len = size; | |
3169 | win_chr_read_poll(chr); | |
3170 | win_chr_read(chr); | |
3171 | return 1; | |
3172 | } | |
3173 | return 0; | |
3174 | } | |
3175 | ||
3176 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
3177 | { | |
3178 | WinCharState *s = chr->opaque; | |
3179 | OVERLAPPED ov; | |
3180 | int ret; | |
3181 | DWORD size; | |
3182 | char openname[256]; | |
3183 | ||
3184 | s->fpipe = TRUE; | |
3185 | ||
3186 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
3187 | if (!s->hsend) { | |
3188 | fprintf(stderr, "Failed CreateEvent\n"); | |
3189 | goto fail; | |
3190 | } | |
3191 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
3192 | if (!s->hrecv) { | |
3193 | fprintf(stderr, "Failed CreateEvent\n"); | |
3194 | goto fail; | |
3195 | } | |
3196 | ||
3197 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
3198 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
3199 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
3200 | PIPE_WAIT, | |
3201 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
3202 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
3203 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
3204 | s->hcom = NULL; | |
3205 | goto fail; | |
3206 | } | |
3207 | ||
3208 | ZeroMemory(&ov, sizeof(ov)); | |
3209 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
3210 | ret = ConnectNamedPipe(s->hcom, &ov); | |
3211 | if (ret) { | |
3212 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
3213 | goto fail; | |
3214 | } | |
3215 | ||
3216 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
3217 | if (!ret) { | |
3218 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
3219 | if (ov.hEvent) { | |
3220 | CloseHandle(ov.hEvent); | |
3221 | ov.hEvent = NULL; | |
3222 | } | |
3223 | goto fail; | |
3224 | } | |
3225 | ||
3226 | if (ov.hEvent) { | |
3227 | CloseHandle(ov.hEvent); | |
3228 | ov.hEvent = NULL; | |
3229 | } | |
3230 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
3231 | return 0; | |
3232 | ||
3233 | fail: | |
3234 | win_chr_close(chr); | |
3235 | return -1; | |
3236 | } | |
3237 | ||
3238 | ||
3239 | static CharDriverState *qemu_chr_open_win_pipe(const char *filename) | |
3240 | { | |
3241 | CharDriverState *chr; | |
3242 | WinCharState *s; | |
3243 | ||
3244 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
3245 | if (!chr) | |
3246 | return NULL; | |
3247 | s = qemu_mallocz(sizeof(WinCharState)); | |
3248 | if (!s) { | |
3249 | free(chr); | |
3250 | return NULL; | |
3251 | } | |
3252 | chr->opaque = s; | |
3253 | chr->chr_write = win_chr_write; | |
3254 | chr->chr_close = win_chr_close; | |
3255 | ||
3256 | if (win_chr_pipe_init(chr, filename) < 0) { | |
3257 | free(s); | |
3258 | free(chr); | |
3259 | return NULL; | |
3260 | } | |
3261 | qemu_chr_reset(chr); | |
3262 | return chr; | |
3263 | } | |
3264 | ||
3265 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
3266 | { | |
3267 | CharDriverState *chr; | |
3268 | WinCharState *s; | |
3269 | ||
3270 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
3271 | if (!chr) | |
3272 | return NULL; | |
3273 | s = qemu_mallocz(sizeof(WinCharState)); | |
3274 | if (!s) { | |
3275 | free(chr); | |
3276 | return NULL; | |
3277 | } | |
3278 | s->hcom = fd_out; | |
3279 | chr->opaque = s; | |
3280 | chr->chr_write = win_chr_write; | |
3281 | qemu_chr_reset(chr); | |
3282 | return chr; | |
3283 | } | |
3284 | ||
3285 | static CharDriverState *qemu_chr_open_win_con(const char *filename) | |
3286 | { | |
3287 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); | |
3288 | } | |
3289 | ||
3290 | static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) | |
3291 | { | |
3292 | HANDLE fd_out; | |
3293 | ||
3294 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
3295 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
3296 | if (fd_out == INVALID_HANDLE_VALUE) | |
3297 | return NULL; | |
3298 | ||
3299 | return qemu_chr_open_win_file(fd_out); | |
3300 | } | |
3301 | #endif /* !_WIN32 */ | |
3302 | ||
3303 | /***********************************************************/ | |
3304 | /* UDP Net console */ | |
3305 | ||
3306 | typedef struct { | |
3307 | int fd; | |
3308 | struct sockaddr_in daddr; | |
3309 | uint8_t buf[1024]; | |
3310 | int bufcnt; | |
3311 | int bufptr; | |
3312 | int max_size; | |
3313 | } NetCharDriver; | |
3314 | ||
3315 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
3316 | { | |
3317 | NetCharDriver *s = chr->opaque; | |
3318 | ||
3319 | return sendto(s->fd, buf, len, 0, | |
3320 | (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); | |
3321 | } | |
3322 | ||
3323 | static int udp_chr_read_poll(void *opaque) | |
3324 | { | |
3325 | CharDriverState *chr = opaque; | |
3326 | NetCharDriver *s = chr->opaque; | |
3327 | ||
3328 | s->max_size = qemu_chr_can_read(chr); | |
3329 | ||
3330 | /* If there were any stray characters in the queue process them | |
3331 | * first | |
3332 | */ | |
3333 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
3334 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
3335 | s->bufptr++; | |
3336 | s->max_size = qemu_chr_can_read(chr); | |
3337 | } | |
3338 | return s->max_size; | |
3339 | } | |
3340 | ||
3341 | static void udp_chr_read(void *opaque) | |
3342 | { | |
3343 | CharDriverState *chr = opaque; | |
3344 | NetCharDriver *s = chr->opaque; | |
3345 | ||
3346 | if (s->max_size == 0) | |
3347 | return; | |
3348 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
3349 | s->bufptr = s->bufcnt; | |
3350 | if (s->bufcnt <= 0) | |
3351 | return; | |
3352 | ||
3353 | s->bufptr = 0; | |
3354 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
3355 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
3356 | s->bufptr++; | |
3357 | s->max_size = qemu_chr_can_read(chr); | |
3358 | } | |
3359 | } | |
3360 | ||
3361 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
3362 | { | |
3363 | NetCharDriver *s = chr->opaque; | |
3364 | ||
3365 | if (s->fd >= 0) { | |
3366 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
3367 | udp_chr_read, NULL, chr); | |
3368 | } | |
3369 | } | |
3370 | ||
3371 | #ifndef _WIN32 | |
3372 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str); | |
3373 | #endif | |
3374 | int parse_host_src_port(struct sockaddr_in *haddr, | |
3375 | struct sockaddr_in *saddr, | |
3376 | const char *str); | |
3377 | ||
3378 | static CharDriverState *qemu_chr_open_udp(const char *def) | |
3379 | { | |
3380 | CharDriverState *chr = NULL; | |
3381 | NetCharDriver *s = NULL; | |
3382 | int fd = -1; | |
3383 | struct sockaddr_in saddr; | |
3384 | ||
3385 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
3386 | if (!chr) | |
3387 | goto return_err; | |
3388 | s = qemu_mallocz(sizeof(NetCharDriver)); | |
3389 | if (!s) | |
3390 | goto return_err; | |
3391 | ||
3392 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
3393 | if (fd < 0) { | |
3394 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
3395 | goto return_err; | |
3396 | } | |
3397 | ||
3398 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { | |
3399 | printf("Could not parse: %s\n", def); | |
3400 | goto return_err; | |
3401 | } | |
3402 | ||
3403 | if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) | |
3404 | { | |
3405 | perror("bind"); | |
3406 | goto return_err; | |
3407 | } | |
3408 | ||
3409 | s->fd = fd; | |
3410 | s->bufcnt = 0; | |
3411 | s->bufptr = 0; | |
3412 | chr->opaque = s; | |
3413 | chr->chr_write = udp_chr_write; | |
3414 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
3415 | return chr; | |
3416 | ||
3417 | return_err: | |
3418 | if (chr) | |
3419 | free(chr); | |
3420 | if (s) | |
3421 | free(s); | |
3422 | if (fd >= 0) | |
3423 | closesocket(fd); | |
3424 | return NULL; | |
3425 | } | |
3426 | ||
3427 | /***********************************************************/ | |
3428 | /* TCP Net console */ | |
3429 | ||
3430 | typedef struct { | |
3431 | int fd, listen_fd; | |
3432 | int connected; | |
3433 | int max_size; | |
3434 | int do_telnetopt; | |
3435 | int do_nodelay; | |
3436 | int is_unix; | |
3437 | } TCPCharDriver; | |
3438 | ||
3439 | static void tcp_chr_accept(void *opaque); | |
3440 | ||
3441 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
3442 | { | |
3443 | TCPCharDriver *s = chr->opaque; | |
3444 | if (s->connected) { | |
3445 | return send_all(s->fd, buf, len); | |
3446 | } else { | |
3447 | /* XXX: indicate an error ? */ | |
3448 | return len; | |
3449 | } | |
3450 | } | |
3451 | ||
3452 | static int tcp_chr_read_poll(void *opaque) | |
3453 | { | |
3454 | CharDriverState *chr = opaque; | |
3455 | TCPCharDriver *s = chr->opaque; | |
3456 | if (!s->connected) | |
3457 | return 0; | |
3458 | s->max_size = qemu_chr_can_read(chr); | |
3459 | return s->max_size; | |
3460 | } | |
3461 | ||
3462 | #define IAC 255 | |
3463 | #define IAC_BREAK 243 | |
3464 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
3465 | TCPCharDriver *s, | |
3466 | uint8_t *buf, int *size) | |
3467 | { | |
3468 | /* Handle any telnet client's basic IAC options to satisfy char by | |
3469 | * char mode with no echo. All IAC options will be removed from | |
3470 | * the buf and the do_telnetopt variable will be used to track the | |
3471 | * state of the width of the IAC information. | |
3472 | * | |
3473 | * IAC commands come in sets of 3 bytes with the exception of the | |
3474 | * "IAC BREAK" command and the double IAC. | |
3475 | */ | |
3476 | ||
3477 | int i; | |
3478 | int j = 0; | |
3479 | ||
3480 | for (i = 0; i < *size; i++) { | |
3481 | if (s->do_telnetopt > 1) { | |
3482 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
3483 | /* Double IAC means send an IAC */ | |
3484 | if (j != i) | |
3485 | buf[j] = buf[i]; | |
3486 | j++; | |
3487 | s->do_telnetopt = 1; | |
3488 | } else { | |
3489 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
3490 | /* Handle IAC break commands by sending a serial break */ | |
3491 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
3492 | s->do_telnetopt++; | |
3493 | } | |
3494 | s->do_telnetopt++; | |
3495 | } | |
3496 | if (s->do_telnetopt >= 4) { | |
3497 | s->do_telnetopt = 1; | |
3498 | } | |
3499 | } else { | |
3500 | if ((unsigned char)buf[i] == IAC) { | |
3501 | s->do_telnetopt = 2; | |
3502 | } else { | |
3503 | if (j != i) | |
3504 | buf[j] = buf[i]; | |
3505 | j++; | |
3506 | } | |
3507 | } | |
3508 | } | |
3509 | *size = j; | |
3510 | } | |
3511 | ||
3512 | static void tcp_chr_read(void *opaque) | |
3513 | { | |
3514 | CharDriverState *chr = opaque; | |
3515 | TCPCharDriver *s = chr->opaque; | |
3516 | uint8_t buf[1024]; | |
3517 | int len, size; | |
3518 | ||
3519 | if (!s->connected || s->max_size <= 0) | |
3520 | return; | |
3521 | len = sizeof(buf); | |
3522 | if (len > s->max_size) | |
3523 | len = s->max_size; | |
3524 | size = recv(s->fd, buf, len, 0); | |
3525 | if (size == 0) { | |
3526 | /* connection closed */ | |
3527 | s->connected = 0; | |
3528 | if (s->listen_fd >= 0) { | |
3529 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
3530 | } | |
3531 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3532 | closesocket(s->fd); | |
3533 | s->fd = -1; | |
3534 | } else if (size > 0) { | |
3535 | if (s->do_telnetopt) | |
3536 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
3537 | if (size > 0) | |
3538 | qemu_chr_read(chr, buf, size); | |
3539 | } | |
3540 | } | |
3541 | ||
3542 | static void tcp_chr_connect(void *opaque) | |
3543 | { | |
3544 | CharDriverState *chr = opaque; | |
3545 | TCPCharDriver *s = chr->opaque; | |
3546 | ||
3547 | s->connected = 1; | |
3548 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
3549 | tcp_chr_read, NULL, chr); | |
3550 | qemu_chr_reset(chr); | |
3551 | } | |
3552 | ||
3553 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
3554 | static void tcp_chr_telnet_init(int fd) | |
3555 | { | |
3556 | char buf[3]; | |
3557 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
3558 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
3559 | send(fd, (char *)buf, 3, 0); | |
3560 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
3561 | send(fd, (char *)buf, 3, 0); | |
3562 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
3563 | send(fd, (char *)buf, 3, 0); | |
3564 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
3565 | send(fd, (char *)buf, 3, 0); | |
3566 | } | |
3567 | ||
3568 | static void socket_set_nodelay(int fd) | |
3569 | { | |
3570 | int val = 1; | |
3571 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
3572 | } | |
3573 | ||
3574 | static void tcp_chr_accept(void *opaque) | |
3575 | { | |
3576 | CharDriverState *chr = opaque; | |
3577 | TCPCharDriver *s = chr->opaque; | |
3578 | struct sockaddr_in saddr; | |
3579 | #ifndef _WIN32 | |
3580 | struct sockaddr_un uaddr; | |
3581 | #endif | |
3582 | struct sockaddr *addr; | |
3583 | socklen_t len; | |
3584 | int fd; | |
3585 | ||
3586 | for(;;) { | |
3587 | #ifndef _WIN32 | |
3588 | if (s->is_unix) { | |
3589 | len = sizeof(uaddr); | |
3590 | addr = (struct sockaddr *)&uaddr; | |
3591 | } else | |
3592 | #endif | |
3593 | { | |
3594 | len = sizeof(saddr); | |
3595 | addr = (struct sockaddr *)&saddr; | |
3596 | } | |
3597 | fd = accept(s->listen_fd, addr, &len); | |
3598 | if (fd < 0 && errno != EINTR) { | |
3599 | return; | |
3600 | } else if (fd >= 0) { | |
3601 | if (s->do_telnetopt) | |
3602 | tcp_chr_telnet_init(fd); | |
3603 | break; | |
3604 | } | |
3605 | } | |
3606 | socket_set_nonblock(fd); | |
3607 | if (s->do_nodelay) | |
3608 | socket_set_nodelay(fd); | |
3609 | s->fd = fd; | |
3610 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
3611 | tcp_chr_connect(chr); | |
3612 | } | |
3613 | ||
3614 | static void tcp_chr_close(CharDriverState *chr) | |
3615 | { | |
3616 | TCPCharDriver *s = chr->opaque; | |
3617 | if (s->fd >= 0) | |
3618 | closesocket(s->fd); | |
3619 | if (s->listen_fd >= 0) | |
3620 | closesocket(s->listen_fd); | |
3621 | qemu_free(s); | |
3622 | } | |
3623 | ||
3624 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, | |
3625 | int is_telnet, | |
3626 | int is_unix) | |
3627 | { | |
3628 | CharDriverState *chr = NULL; | |
3629 | TCPCharDriver *s = NULL; | |
3630 | int fd = -1, ret, err, val; | |
3631 | int is_listen = 0; | |
3632 | int is_waitconnect = 1; | |
3633 | int do_nodelay = 0; | |
3634 | const char *ptr; | |
3635 | struct sockaddr_in saddr; | |
3636 | #ifndef _WIN32 | |
3637 | struct sockaddr_un uaddr; | |
3638 | #endif | |
3639 | struct sockaddr *addr; | |
3640 | socklen_t addrlen; | |
3641 | ||
3642 | #ifndef _WIN32 | |
3643 | if (is_unix) { | |
3644 | addr = (struct sockaddr *)&uaddr; | |
3645 | addrlen = sizeof(uaddr); | |
3646 | if (parse_unix_path(&uaddr, host_str) < 0) | |
3647 | goto fail; | |
3648 | } else | |
3649 | #endif | |
3650 | { | |
3651 | addr = (struct sockaddr *)&saddr; | |
3652 | addrlen = sizeof(saddr); | |
3653 | if (parse_host_port(&saddr, host_str) < 0) | |
3654 | goto fail; | |
3655 | } | |
3656 | ||
3657 | ptr = host_str; | |
3658 | while((ptr = strchr(ptr,','))) { | |
3659 | ptr++; | |
3660 | if (!strncmp(ptr,"server",6)) { | |
3661 | is_listen = 1; | |
3662 | } else if (!strncmp(ptr,"nowait",6)) { | |
3663 | is_waitconnect = 0; | |
3664 | } else if (!strncmp(ptr,"nodelay",6)) { | |
3665 | do_nodelay = 1; | |
3666 | } else { | |
3667 | printf("Unknown option: %s\n", ptr); | |
3668 | goto fail; | |
3669 | } | |
3670 | } | |
3671 | if (!is_listen) | |
3672 | is_waitconnect = 0; | |
3673 | ||
3674 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
3675 | if (!chr) | |
3676 | goto fail; | |
3677 | s = qemu_mallocz(sizeof(TCPCharDriver)); | |
3678 | if (!s) | |
3679 | goto fail; | |
3680 | ||
3681 | #ifndef _WIN32 | |
3682 | if (is_unix) | |
3683 | fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
3684 | else | |
3685 | #endif | |
3686 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
3687 | ||
3688 | if (fd < 0) | |
3689 | goto fail; | |
3690 | ||
3691 | if (!is_waitconnect) | |
3692 | socket_set_nonblock(fd); | |
3693 | ||
3694 | s->connected = 0; | |
3695 | s->fd = -1; | |
3696 | s->listen_fd = -1; | |
3697 | s->is_unix = is_unix; | |
3698 | s->do_nodelay = do_nodelay && !is_unix; | |
3699 | ||
3700 | chr->opaque = s; | |
3701 | chr->chr_write = tcp_chr_write; | |
3702 | chr->chr_close = tcp_chr_close; | |
3703 | ||
3704 | if (is_listen) { | |
3705 | /* allow fast reuse */ | |
3706 | #ifndef _WIN32 | |
3707 | if (is_unix) { | |
3708 | char path[109]; | |
3709 | pstrcpy(path, sizeof(path), uaddr.sun_path); | |
3710 | unlink(path); | |
3711 | } else | |
3712 | #endif | |
3713 | { | |
3714 | val = 1; | |
3715 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
3716 | } | |
3717 | ||
3718 | ret = bind(fd, addr, addrlen); | |
3719 | if (ret < 0) | |
3720 | goto fail; | |
3721 | ||
3722 | ret = listen(fd, 0); | |
3723 | if (ret < 0) | |
3724 | goto fail; | |
3725 | ||
3726 | s->listen_fd = fd; | |
3727 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
3728 | if (is_telnet) | |
3729 | s->do_telnetopt = 1; | |
3730 | } else { | |
3731 | for(;;) { | |
3732 | ret = connect(fd, addr, addrlen); | |
3733 | if (ret < 0) { | |
3734 | err = socket_error(); | |
3735 | if (err == EINTR || err == EWOULDBLOCK) { | |
3736 | } else if (err == EINPROGRESS) { | |
3737 | break; | |
3738 | #ifdef _WIN32 | |
3739 | } else if (err == WSAEALREADY) { | |
3740 | break; | |
3741 | #endif | |
3742 | } else { | |
3743 | goto fail; | |
3744 | } | |
3745 | } else { | |
3746 | s->connected = 1; | |
3747 | break; | |
3748 | } | |
3749 | } | |
3750 | s->fd = fd; | |
3751 | socket_set_nodelay(fd); | |
3752 | if (s->connected) | |
3753 | tcp_chr_connect(chr); | |
3754 | else | |
3755 | qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); | |
3756 | } | |
3757 | ||
3758 | if (is_listen && is_waitconnect) { | |
3759 | printf("QEMU waiting for connection on: %s\n", host_str); | |
3760 | tcp_chr_accept(chr); | |
3761 | socket_set_nonblock(s->listen_fd); | |
3762 | } | |
3763 | ||
3764 | return chr; | |
3765 | fail: | |
3766 | if (fd >= 0) | |
3767 | closesocket(fd); | |
3768 | qemu_free(s); | |
3769 | qemu_free(chr); | |
3770 | return NULL; | |
3771 | } | |
3772 | ||
3773 | static TAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs | |
3774 | = TAILQ_HEAD_INITIALIZER(chardevs); | |
3775 | ||
3776 | CharDriverState *qemu_chr_open(const char *label, const char *filename) | |
3777 | { | |
3778 | const char *p; | |
3779 | CharDriverState *chr; | |
3780 | ||
3781 | if (!strcmp(filename, "vc")) { | |
3782 | chr = text_console_init(&display_state, 0); | |
3783 | } else | |
3784 | if (strstart(filename, "vc:", &p)) { | |
3785 | chr = text_console_init(&display_state, p); | |
3786 | } else | |
3787 | if (!strcmp(filename, "null")) { | |
3788 | chr = qemu_chr_open_null(); | |
3789 | } else | |
3790 | if (strstart(filename, "tcp:", &p)) { | |
3791 | chr = qemu_chr_open_tcp(p, 0, 0); | |
3792 | } else | |
3793 | if (strstart(filename, "telnet:", &p)) { | |
3794 | chr = qemu_chr_open_tcp(p, 1, 0); | |
3795 | } else | |
3796 | if (strstart(filename, "udp:", &p)) { | |
3797 | chr = qemu_chr_open_udp(p); | |
3798 | } else | |
3799 | if (strstart(filename, "mon:", &p)) { | |
3800 | chr = qemu_chr_open(label, p); | |
3801 | if (chr) { | |
3802 | chr = qemu_chr_open_mux(chr); | |
3803 | monitor_init(chr, !nographic); | |
3804 | } else { | |
3805 | printf("Unable to open driver: %s\n", p); | |
3806 | } | |
3807 | } else | |
3808 | #ifndef _WIN32 | |
3809 | if (strstart(filename, "unix:", &p)) { | |
3810 | chr = qemu_chr_open_tcp(p, 0, 1); | |
3811 | } else if (strstart(filename, "file:", &p)) { | |
3812 | chr = qemu_chr_open_file_out(p); | |
3813 | } else if (strstart(filename, "pipe:", &p)) { | |
3814 | chr = qemu_chr_open_pipe(p); | |
3815 | } else if (!strcmp(filename, "pty")) { | |
3816 | chr = qemu_chr_open_pty(); | |
3817 | } else if (!strcmp(filename, "stdio")) { | |
3818 | chr = qemu_chr_open_stdio(); | |
3819 | } else | |
3820 | #if defined(__linux__) | |
3821 | if (strstart(filename, "/dev/parport", NULL)) { | |
3822 | chr = qemu_chr_open_pp(filename); | |
3823 | } else | |
3824 | #endif | |
3825 | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ | |
3826 | || defined(__NetBSD__) || defined(__OpenBSD__) | |
3827 | if (strstart(filename, "/dev/", NULL)) { | |
3828 | chr = qemu_chr_open_tty(filename); | |
3829 | } else | |
3830 | #endif | |
3831 | #else /* !_WIN32 */ | |
3832 | if (strstart(filename, "COM", NULL)) { | |
3833 | chr = qemu_chr_open_win(filename); | |
3834 | } else | |
3835 | if (strstart(filename, "pipe:", &p)) { | |
3836 | chr = qemu_chr_open_win_pipe(p); | |
3837 | } else | |
3838 | if (strstart(filename, "con:", NULL)) { | |
3839 | chr = qemu_chr_open_win_con(filename); | |
3840 | } else | |
3841 | if (strstart(filename, "file:", &p)) { | |
3842 | chr = qemu_chr_open_win_file_out(p); | |
3843 | } else | |
3844 | #endif | |
3845 | #ifdef CONFIG_BRLAPI | |
3846 | if (!strcmp(filename, "braille")) { | |
3847 | chr = chr_baum_init(); | |
3848 | } else | |
3849 | #endif | |
3850 | { | |
3851 | chr = NULL; | |
3852 | } | |
3853 | ||
3854 | if (chr) { | |
3855 | if (!chr->filename) | |
3856 | chr->filename = qemu_strdup(filename); | |
3857 | chr->label = qemu_strdup(label); | |
3858 | TAILQ_INSERT_TAIL(&chardevs, chr, next); | |
3859 | } | |
3860 | return chr; | |
3861 | } | |
3862 | ||
3863 | void qemu_chr_close(CharDriverState *chr) | |
3864 | { | |
3865 | TAILQ_REMOVE(&chardevs, chr, next); | |
3866 | if (chr->chr_close) | |
3867 | chr->chr_close(chr); | |
3868 | qemu_free(chr->filename); | |
3869 | qemu_free(chr->label); | |
3870 | qemu_free(chr); | |
3871 | } | |
3872 | ||
3873 | void qemu_chr_info(void) | |
3874 | { | |
3875 | CharDriverState *chr; | |
3876 | ||
3877 | TAILQ_FOREACH(chr, &chardevs, next) { | |
3878 | term_printf("%s: filename=%s\n", chr->label, chr->filename); | |
3879 | } | |
3880 | } | |
3881 | ||
3882 | /***********************************************************/ | |
3883 | /* network device redirectors */ | |
3884 | ||
3885 | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP) | |
3886 | static void hex_dump(FILE *f, const uint8_t *buf, int size) | |
3887 | { | |
3888 | int len, i, j, c; | |
3889 | ||
3890 | for(i=0;i<size;i+=16) { | |
3891 | len = size - i; | |
3892 | if (len > 16) | |
3893 | len = 16; | |
3894 | fprintf(f, "%08x ", i); | |
3895 | for(j=0;j<16;j++) { | |
3896 | if (j < len) | |
3897 | fprintf(f, " %02x", buf[i+j]); | |
3898 | else | |
3899 | fprintf(f, " "); | |
3900 | } | |
3901 | fprintf(f, " "); | |
3902 | for(j=0;j<len;j++) { | |
3903 | c = buf[i+j]; | |
3904 | if (c < ' ' || c > '~') | |
3905 | c = '.'; | |
3906 | fprintf(f, "%c", c); | |
3907 | } | |
3908 | fprintf(f, "\n"); | |
3909 | } | |
3910 | } | |
3911 | #endif | |
3912 | ||
3913 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
3914 | { | |
3915 | int i; | |
3916 | char *last_char; | |
3917 | long int offset; | |
3918 | ||
3919 | errno = 0; | |
3920 | offset = strtol(p, &last_char, 0); | |
3921 | if (0 == errno && '\0' == *last_char && | |
3922 | offset >= 0 && offset <= 0xFFFFFF) { | |
3923 | macaddr[3] = (offset & 0xFF0000) >> 16; | |
3924 | macaddr[4] = (offset & 0xFF00) >> 8; | |
3925 | macaddr[5] = offset & 0xFF; | |
3926 | return 0; | |
3927 | } else { | |
3928 | for(i = 0; i < 6; i++) { | |
3929 | macaddr[i] = strtol(p, (char **)&p, 16); | |
3930 | if (i == 5) { | |
3931 | if (*p != '\0') | |
3932 | return -1; | |
3933 | } else { | |
3934 | if (*p != ':' && *p != '-') | |
3935 | return -1; | |
3936 | p++; | |
3937 | } | |
3938 | } | |
3939 | return 0; | |
3940 | } | |
3941 | ||
3942 | return -1; | |
3943 | } | |
3944 | ||
3945 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
3946 | { | |
3947 | const char *p, *p1; | |
3948 | int len; | |
3949 | p = *pp; | |
3950 | p1 = strchr(p, sep); | |
3951 | if (!p1) | |
3952 | return -1; | |
3953 | len = p1 - p; | |
3954 | p1++; | |
3955 | if (buf_size > 0) { | |
3956 | if (len > buf_size - 1) | |
3957 | len = buf_size - 1; | |
3958 | memcpy(buf, p, len); | |
3959 | buf[len] = '\0'; | |
3960 | } | |
3961 | *pp = p1; | |
3962 | return 0; | |
3963 | } | |
3964 | ||
3965 | int parse_host_src_port(struct sockaddr_in *haddr, | |
3966 | struct sockaddr_in *saddr, | |
3967 | const char *input_str) | |
3968 | { | |
3969 | char *str = strdup(input_str); | |
3970 | char *host_str = str; | |
3971 | char *src_str; | |
3972 | const char *src_str2; | |
3973 | char *ptr; | |
3974 | ||
3975 | /* | |
3976 | * Chop off any extra arguments at the end of the string which | |
3977 | * would start with a comma, then fill in the src port information | |
3978 | * if it was provided else use the "any address" and "any port". | |
3979 | */ | |
3980 | if ((ptr = strchr(str,','))) | |
3981 | *ptr = '\0'; | |
3982 | ||
3983 | if ((src_str = strchr(input_str,'@'))) { | |
3984 | *src_str = '\0'; | |
3985 | src_str++; | |
3986 | } | |
3987 | ||
3988 | if (parse_host_port(haddr, host_str) < 0) | |
3989 | goto fail; | |
3990 | ||
3991 | src_str2 = src_str; | |
3992 | if (!src_str || *src_str == '\0') | |
3993 | src_str2 = ":0"; | |
3994 | ||
3995 | if (parse_host_port(saddr, src_str2) < 0) | |
3996 | goto fail; | |
3997 | ||
3998 | free(str); | |
3999 | return(0); | |
4000 | ||
4001 | fail: | |
4002 | free(str); | |
4003 | return -1; | |
4004 | } | |
4005 | ||
4006 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
4007 | { | |
4008 | char buf[512]; | |
4009 | struct hostent *he; | |
4010 | const char *p, *r; | |
4011 | int port; | |
4012 | ||
4013 | p = str; | |
4014 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
4015 | return -1; | |
4016 | saddr->sin_family = AF_INET; | |
4017 | if (buf[0] == '\0') { | |
4018 | saddr->sin_addr.s_addr = 0; | |
4019 | } else { | |
4020 | if (isdigit(buf[0])) { | |
4021 | if (!inet_aton(buf, &saddr->sin_addr)) | |
4022 | return -1; | |
4023 | } else { | |
4024 | if ((he = gethostbyname(buf)) == NULL) | |
4025 | return - 1; | |
4026 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
4027 | } | |
4028 | } | |
4029 | port = strtol(p, (char **)&r, 0); | |
4030 | if (r == p) | |
4031 | return -1; | |
4032 | saddr->sin_port = htons(port); | |
4033 | return 0; | |
4034 | } | |
4035 | ||
4036 | #ifndef _WIN32 | |
4037 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
4038 | { | |
4039 | const char *p; | |
4040 | int len; | |
4041 | ||
4042 | len = MIN(108, strlen(str)); | |
4043 | p = strchr(str, ','); | |
4044 | if (p) | |
4045 | len = MIN(len, p - str); | |
4046 | ||
4047 | memset(uaddr, 0, sizeof(*uaddr)); | |
4048 | ||
4049 | uaddr->sun_family = AF_UNIX; | |
4050 | memcpy(uaddr->sun_path, str, len); | |
4051 | ||
4052 | return 0; | |
4053 | } | |
4054 | #endif | |
4055 | ||
4056 | /* find or alloc a new VLAN */ | |
4057 | VLANState *qemu_find_vlan(int id) | |
4058 | { | |
4059 | VLANState **pvlan, *vlan; | |
4060 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
4061 | if (vlan->id == id) | |
4062 | return vlan; | |
4063 | } | |
4064 | vlan = qemu_mallocz(sizeof(VLANState)); | |
4065 | if (!vlan) | |
4066 | return NULL; | |
4067 | vlan->id = id; | |
4068 | vlan->next = NULL; | |
4069 | pvlan = &first_vlan; | |
4070 | while (*pvlan != NULL) | |
4071 | pvlan = &(*pvlan)->next; | |
4072 | *pvlan = vlan; | |
4073 | return vlan; | |
4074 | } | |
4075 | ||
4076 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, | |
4077 | IOReadHandler *fd_read, | |
4078 | IOCanRWHandler *fd_can_read, | |
4079 | void *opaque) | |
4080 | { | |
4081 | VLANClientState *vc, **pvc; | |
4082 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
4083 | if (!vc) | |
4084 | return NULL; | |
4085 | vc->fd_read = fd_read; | |
4086 | vc->fd_can_read = fd_can_read; | |
4087 | vc->opaque = opaque; | |
4088 | vc->vlan = vlan; | |
4089 | ||
4090 | vc->next = NULL; | |
4091 | pvc = &vlan->first_client; | |
4092 | while (*pvc != NULL) | |
4093 | pvc = &(*pvc)->next; | |
4094 | *pvc = vc; | |
4095 | return vc; | |
4096 | } | |
4097 | ||
4098 | void qemu_del_vlan_client(VLANClientState *vc) | |
4099 | { | |
4100 | VLANClientState **pvc = &vc->vlan->first_client; | |
4101 | ||
4102 | while (*pvc != NULL) | |
4103 | if (*pvc == vc) { | |
4104 | *pvc = vc->next; | |
4105 | free(vc); | |
4106 | break; | |
4107 | } else | |
4108 | pvc = &(*pvc)->next; | |
4109 | } | |
4110 | ||
4111 | int qemu_can_send_packet(VLANClientState *vc1) | |
4112 | { | |
4113 | VLANState *vlan = vc1->vlan; | |
4114 | VLANClientState *vc; | |
4115 | ||
4116 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
4117 | if (vc != vc1) { | |
4118 | if (vc->fd_can_read && vc->fd_can_read(vc->opaque)) | |
4119 | return 1; | |
4120 | } | |
4121 | } | |
4122 | return 0; | |
4123 | } | |
4124 | ||
4125 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
4126 | { | |
4127 | VLANState *vlan = vc1->vlan; | |
4128 | VLANClientState *vc; | |
4129 | ||
4130 | #ifdef DEBUG_NET | |
4131 | printf("vlan %d send:\n", vlan->id); | |
4132 | hex_dump(stdout, buf, size); | |
4133 | #endif | |
4134 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
4135 | if (vc != vc1) { | |
4136 | vc->fd_read(vc->opaque, buf, size); | |
4137 | } | |
4138 | } | |
4139 | } | |
4140 | ||
4141 | #if defined(CONFIG_SLIRP) | |
4142 | ||
4143 | /* slirp network adapter */ | |
4144 | ||
4145 | static int slirp_inited; | |
4146 | static VLANClientState *slirp_vc; | |
4147 | ||
4148 | int slirp_can_output(void) | |
4149 | { | |
4150 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
4151 | } | |
4152 | ||
4153 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
4154 | { | |
4155 | #ifdef DEBUG_SLIRP | |
4156 | printf("slirp output:\n"); | |
4157 | hex_dump(stdout, pkt, pkt_len); | |
4158 | #endif | |
4159 | if (!slirp_vc) | |
4160 | return; | |
4161 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
4162 | } | |
4163 | ||
4164 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
4165 | { | |
4166 | #ifdef DEBUG_SLIRP | |
4167 | printf("slirp input:\n"); | |
4168 | hex_dump(stdout, buf, size); | |
4169 | #endif | |
4170 | slirp_input(buf, size); | |
4171 | } | |
4172 | ||
4173 | static int net_slirp_init(VLANState *vlan) | |
4174 | { | |
4175 | if (!slirp_inited) { | |
4176 | slirp_inited = 1; | |
4177 | slirp_init(); | |
4178 | } | |
4179 | slirp_vc = qemu_new_vlan_client(vlan, | |
4180 | slirp_receive, NULL, NULL); | |
4181 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); | |
4182 | return 0; | |
4183 | } | |
4184 | ||
4185 | static void net_slirp_redir(const char *redir_str) | |
4186 | { | |
4187 | int is_udp; | |
4188 | char buf[256], *r; | |
4189 | const char *p; | |
4190 | struct in_addr guest_addr; | |
4191 | int host_port, guest_port; | |
4192 | ||
4193 | if (!slirp_inited) { | |
4194 | slirp_inited = 1; | |
4195 | slirp_init(); | |
4196 | } | |
4197 | ||
4198 | p = redir_str; | |
4199 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
4200 | goto fail; | |
4201 | if (!strcmp(buf, "tcp")) { | |
4202 | is_udp = 0; | |
4203 | } else if (!strcmp(buf, "udp")) { | |
4204 | is_udp = 1; | |
4205 | } else { | |
4206 | goto fail; | |
4207 | } | |
4208 | ||
4209 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
4210 | goto fail; | |
4211 | host_port = strtol(buf, &r, 0); | |
4212 | if (r == buf) | |
4213 | goto fail; | |
4214 | ||
4215 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
4216 | goto fail; | |
4217 | if (buf[0] == '\0') { | |
4218 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
4219 | } | |
4220 | if (!inet_aton(buf, &guest_addr)) | |
4221 | goto fail; | |
4222 | ||
4223 | guest_port = strtol(p, &r, 0); | |
4224 | if (r == p) | |
4225 | goto fail; | |
4226 | ||
4227 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
4228 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
4229 | exit(1); | |
4230 | } | |
4231 | return; | |
4232 | fail: | |
4233 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
4234 | exit(1); | |
4235 | } | |
4236 | ||
4237 | #ifndef _WIN32 | |
4238 | ||
4239 | static char smb_dir[1024]; | |
4240 | ||
4241 | static void erase_dir(char *dir_name) | |
4242 | { | |
4243 | DIR *d; | |
4244 | struct dirent *de; | |
4245 | char filename[1024]; | |
4246 | ||
4247 | /* erase all the files in the directory */ | |
4248 | if ((d = opendir(dir_name)) != 0) { | |
4249 | for(;;) { | |
4250 | de = readdir(d); | |
4251 | if (!de) | |
4252 | break; | |
4253 | if (strcmp(de->d_name, ".") != 0 && | |
4254 | strcmp(de->d_name, "..") != 0) { | |
4255 | snprintf(filename, sizeof(filename), "%s/%s", | |
4256 | smb_dir, de->d_name); | |
4257 | if (unlink(filename) != 0) /* is it a directory? */ | |
4258 | erase_dir(filename); | |
4259 | } | |
4260 | } | |
4261 | closedir(d); | |
4262 | rmdir(dir_name); | |
4263 | } | |
4264 | } | |
4265 | ||
4266 | /* automatic user mode samba server configuration */ | |
4267 | static void smb_exit(void) | |
4268 | { | |
4269 | erase_dir(smb_dir); | |
4270 | } | |
4271 | ||
4272 | /* automatic user mode samba server configuration */ | |
4273 | static void net_slirp_smb(const char *exported_dir) | |
4274 | { | |
4275 | char smb_conf[1024]; | |
4276 | char smb_cmdline[1024]; | |
4277 | FILE *f; | |
4278 | ||
4279 | if (!slirp_inited) { | |
4280 | slirp_inited = 1; | |
4281 | slirp_init(); | |
4282 | } | |
4283 | ||
4284 | /* XXX: better tmp dir construction */ | |
4285 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
4286 | if (mkdir(smb_dir, 0700) < 0) { | |
4287 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
4288 | exit(1); | |
4289 | } | |
4290 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
4291 | ||
4292 | f = fopen(smb_conf, "w"); | |
4293 | if (!f) { | |
4294 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
4295 | exit(1); | |
4296 | } | |
4297 | fprintf(f, | |
4298 | "[global]\n" | |
4299 | "private dir=%s\n" | |
4300 | "smb ports=0\n" | |
4301 | "socket address=127.0.0.1\n" | |
4302 | "pid directory=%s\n" | |
4303 | "lock directory=%s\n" | |
4304 | "log file=%s/log.smbd\n" | |
4305 | "smb passwd file=%s/smbpasswd\n" | |
4306 | "security = share\n" | |
4307 | "[qemu]\n" | |
4308 | "path=%s\n" | |
4309 | "read only=no\n" | |
4310 | "guest ok=yes\n", | |
4311 | smb_dir, | |
4312 | smb_dir, | |
4313 | smb_dir, | |
4314 | smb_dir, | |
4315 | smb_dir, | |
4316 | exported_dir | |
4317 | ); | |
4318 | fclose(f); | |
4319 | atexit(smb_exit); | |
4320 | ||
4321 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", | |
4322 | SMBD_COMMAND, smb_conf); | |
4323 | ||
4324 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
4325 | } | |
4326 | ||
4327 | #endif /* !defined(_WIN32) */ | |
4328 | void do_info_slirp(void) | |
4329 | { | |
4330 | slirp_stats(); | |
4331 | } | |
4332 | ||
4333 | #endif /* CONFIG_SLIRP */ | |
4334 | ||
4335 | #if !defined(_WIN32) | |
4336 | ||
4337 | typedef struct TAPState { | |
4338 | VLANClientState *vc; | |
4339 | int fd; | |
4340 | char down_script[1024]; | |
4341 | } TAPState; | |
4342 | ||
4343 | static void tap_receive(void *opaque, const uint8_t *buf, int size) | |
4344 | { | |
4345 | TAPState *s = opaque; | |
4346 | int ret; | |
4347 | for(;;) { | |
4348 | ret = write(s->fd, buf, size); | |
4349 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
4350 | } else { | |
4351 | break; | |
4352 | } | |
4353 | } | |
4354 | } | |
4355 | ||
4356 | static void tap_send(void *opaque) | |
4357 | { | |
4358 | TAPState *s = opaque; | |
4359 | uint8_t buf[4096]; | |
4360 | int size; | |
4361 | ||
4362 | #ifdef __sun__ | |
4363 | struct strbuf sbuf; | |
4364 | int f = 0; | |
4365 | sbuf.maxlen = sizeof(buf); | |
4366 | sbuf.buf = buf; | |
4367 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; | |
4368 | #else | |
4369 | size = read(s->fd, buf, sizeof(buf)); | |
4370 | #endif | |
4371 | if (size > 0) { | |
4372 | qemu_send_packet(s->vc, buf, size); | |
4373 | } | |
4374 | } | |
4375 | ||
4376 | /* fd support */ | |
4377 | ||
4378 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) | |
4379 | { | |
4380 | TAPState *s; | |
4381 | ||
4382 | s = qemu_mallocz(sizeof(TAPState)); | |
4383 | if (!s) | |
4384 | return NULL; | |
4385 | s->fd = fd; | |
4386 | s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); | |
4387 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); | |
4388 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); | |
4389 | return s; | |
4390 | } | |
4391 | ||
4392 | #if defined (_BSD) || defined (__FreeBSD_kernel__) | |
4393 | static int tap_open(char *ifname, int ifname_size) | |
4394 | { | |
4395 | int fd; | |
4396 | char *dev; | |
4397 | struct stat s; | |
4398 | ||
4399 | TFR(fd = open("/dev/tap", O_RDWR)); | |
4400 | if (fd < 0) { | |
4401 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
4402 | return -1; | |
4403 | } | |
4404 | ||
4405 | fstat(fd, &s); | |
4406 | dev = devname(s.st_rdev, S_IFCHR); | |
4407 | pstrcpy(ifname, ifname_size, dev); | |
4408 | ||
4409 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
4410 | return fd; | |
4411 | } | |
4412 | #elif defined(__sun__) | |
4413 | #define TUNNEWPPA (('T'<<16) | 0x0001) | |
4414 | /* | |
4415 | * Allocate TAP device, returns opened fd. | |
4416 | * Stores dev name in the first arg(must be large enough). | |
4417 | */ | |
4418 | int tap_alloc(char *dev, size_t dev_size) | |
4419 | { | |
4420 | int tap_fd, if_fd, ppa = -1; | |
4421 | static int ip_fd = 0; | |
4422 | char *ptr; | |
4423 | ||
4424 | static int arp_fd = 0; | |
4425 | int ip_muxid, arp_muxid; | |
4426 | struct strioctl strioc_if, strioc_ppa; | |
4427 | int link_type = I_PLINK;; | |
4428 | struct lifreq ifr; | |
4429 | char actual_name[32] = ""; | |
4430 | ||
4431 | memset(&ifr, 0x0, sizeof(ifr)); | |
4432 | ||
4433 | if( *dev ){ | |
4434 | ptr = dev; | |
4435 | while( *ptr && !isdigit((int)*ptr) ) ptr++; | |
4436 | ppa = atoi(ptr); | |
4437 | } | |
4438 | ||
4439 | /* Check if IP device was opened */ | |
4440 | if( ip_fd ) | |
4441 | close(ip_fd); | |
4442 | ||
4443 | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); | |
4444 | if (ip_fd < 0) { | |
4445 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); | |
4446 | return -1; | |
4447 | } | |
4448 | ||
4449 | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); | |
4450 | if (tap_fd < 0) { | |
4451 | syslog(LOG_ERR, "Can't open /dev/tap"); | |
4452 | return -1; | |
4453 | } | |
4454 | ||
4455 | /* Assign a new PPA and get its unit number. */ | |
4456 | strioc_ppa.ic_cmd = TUNNEWPPA; | |
4457 | strioc_ppa.ic_timout = 0; | |
4458 | strioc_ppa.ic_len = sizeof(ppa); | |
4459 | strioc_ppa.ic_dp = (char *)&ppa; | |
4460 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) | |
4461 | syslog (LOG_ERR, "Can't assign new interface"); | |
4462 | ||
4463 | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); | |
4464 | if (if_fd < 0) { | |
4465 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); | |
4466 | return -1; | |
4467 | } | |
4468 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ | |
4469 | syslog(LOG_ERR, "Can't push IP module"); | |
4470 | return -1; | |
4471 | } | |
4472 | ||
4473 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) | |
4474 | syslog(LOG_ERR, "Can't get flags\n"); | |
4475 | ||
4476 | snprintf (actual_name, 32, "tap%d", ppa); | |
4477 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
4478 | ||
4479 | ifr.lifr_ppa = ppa; | |
4480 | /* Assign ppa according to the unit number returned by tun device */ | |
4481 | ||
4482 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) | |
4483 | syslog (LOG_ERR, "Can't set PPA %d", ppa); | |
4484 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) | |
4485 | syslog (LOG_ERR, "Can't get flags\n"); | |
4486 | /* Push arp module to if_fd */ | |
4487 | if (ioctl (if_fd, I_PUSH, "arp") < 0) | |
4488 | syslog (LOG_ERR, "Can't push ARP module (2)"); | |
4489 | ||
4490 | /* Push arp module to ip_fd */ | |
4491 | if (ioctl (ip_fd, I_POP, NULL) < 0) | |
4492 | syslog (LOG_ERR, "I_POP failed\n"); | |
4493 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) | |
4494 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); | |
4495 | /* Open arp_fd */ | |
4496 | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); | |
4497 | if (arp_fd < 0) | |
4498 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); | |
4499 | ||
4500 | /* Set ifname to arp */ | |
4501 | strioc_if.ic_cmd = SIOCSLIFNAME; | |
4502 | strioc_if.ic_timout = 0; | |
4503 | strioc_if.ic_len = sizeof(ifr); | |
4504 | strioc_if.ic_dp = (char *)𝔦 | |
4505 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ | |
4506 | syslog (LOG_ERR, "Can't set ifname to arp\n"); | |
4507 | } | |
4508 | ||
4509 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ | |
4510 | syslog(LOG_ERR, "Can't link TAP device to IP"); | |
4511 | return -1; | |
4512 | } | |
4513 | ||
4514 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) | |
4515 | syslog (LOG_ERR, "Can't link TAP device to ARP"); | |
4516 | ||
4517 | close (if_fd); | |
4518 | ||
4519 | memset(&ifr, 0x0, sizeof(ifr)); | |
4520 | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); | |
4521 | ifr.lifr_ip_muxid = ip_muxid; | |
4522 | ifr.lifr_arp_muxid = arp_muxid; | |
4523 | ||
4524 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) | |
4525 | { | |
4526 | ioctl (ip_fd, I_PUNLINK , arp_muxid); | |
4527 | ioctl (ip_fd, I_PUNLINK, ip_muxid); | |
4528 | syslog (LOG_ERR, "Can't set multiplexor id"); | |
4529 | } | |
4530 | ||
4531 | snprintf(dev, dev_size, "tap%d", ppa); | |
4532 | return tap_fd; | |
4533 | } | |
4534 | ||
4535 | static int tap_open(char *ifname, int ifname_size) | |
4536 | { | |
4537 | char dev[10]=""; | |
4538 | int fd; | |
4539 | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ | |
4540 | fprintf(stderr, "Cannot allocate TAP device\n"); | |
4541 | return -1; | |
4542 | } | |
4543 | pstrcpy(ifname, ifname_size, dev); | |
4544 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
4545 | return fd; | |
4546 | } | |
4547 | #else | |
4548 | static int tap_open(char *ifname, int ifname_size) | |
4549 | { | |
4550 | struct ifreq ifr; | |
4551 | int fd, ret; | |
4552 | ||
4553 | TFR(fd = open("/dev/net/tun", O_RDWR)); | |
4554 | if (fd < 0) { | |
4555 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
4556 | return -1; | |
4557 | } | |
4558 | memset(&ifr, 0, sizeof(ifr)); | |
4559 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
4560 | if (ifname[0] != '\0') | |
4561 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
4562 | else | |
4563 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
4564 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
4565 | if (ret != 0) { | |
4566 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
4567 | close(fd); | |
4568 | return -1; | |
4569 | } | |
4570 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
4571 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
4572 | return fd; | |
4573 | } | |
4574 | #endif | |
4575 | ||
4576 | static int launch_script(const char *setup_script, const char *ifname, int fd) | |
4577 | { | |
4578 | int pid, status; | |
4579 | char *args[3]; | |
4580 | char **parg; | |
4581 | ||
4582 | /* try to launch network script */ | |
4583 | pid = fork(); | |
4584 | if (pid >= 0) { | |
4585 | if (pid == 0) { | |
4586 | int open_max = sysconf (_SC_OPEN_MAX), i; | |
4587 | for (i = 0; i < open_max; i++) | |
4588 | if (i != STDIN_FILENO && | |
4589 | i != STDOUT_FILENO && | |
4590 | i != STDERR_FILENO && | |
4591 | i != fd) | |
4592 | close(i); | |
4593 | ||
4594 | parg = args; | |
4595 | *parg++ = (char *)setup_script; | |
4596 | *parg++ = (char *)ifname; | |
4597 | *parg++ = NULL; | |
4598 | execv(setup_script, args); | |
4599 | _exit(1); | |
4600 | } | |
4601 | while (waitpid(pid, &status, 0) != pid); | |
4602 | if (!WIFEXITED(status) || | |
4603 | WEXITSTATUS(status) != 0) { | |
4604 | fprintf(stderr, "%s: could not launch network script\n", | |
4605 | setup_script); | |
4606 | return -1; | |
4607 | } | |
4608 | } | |
4609 | return 0; | |
4610 | } | |
4611 | ||
4612 | static int net_tap_init(VLANState *vlan, const char *ifname1, | |
4613 | const char *setup_script, const char *down_script) | |
4614 | { | |
4615 | TAPState *s; | |
4616 | int fd; | |
4617 | char ifname[128]; | |
4618 | ||
4619 | if (ifname1 != NULL) | |
4620 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
4621 | else | |
4622 | ifname[0] = '\0'; | |
4623 | TFR(fd = tap_open(ifname, sizeof(ifname))); | |
4624 | if (fd < 0) | |
4625 | return -1; | |
4626 | ||
4627 | if (!setup_script || !strcmp(setup_script, "no")) | |
4628 | setup_script = ""; | |
4629 | if (setup_script[0] != '\0') { | |
4630 | if (launch_script(setup_script, ifname, fd)) | |
4631 | return -1; | |
4632 | } | |
4633 | s = net_tap_fd_init(vlan, fd); | |
4634 | if (!s) | |
4635 | return -1; | |
4636 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4637 | "tap: ifname=%s setup_script=%s", ifname, setup_script); | |
4638 | if (down_script && strcmp(down_script, "no")) | |
4639 | snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); | |
4640 | return 0; | |
4641 | } | |
4642 | ||
4643 | #endif /* !_WIN32 */ | |
4644 | ||
4645 | #if defined(CONFIG_VDE) | |
4646 | typedef struct VDEState { | |
4647 | VLANClientState *vc; | |
4648 | VDECONN *vde; | |
4649 | } VDEState; | |
4650 | ||
4651 | static void vde_to_qemu(void *opaque) | |
4652 | { | |
4653 | VDEState *s = opaque; | |
4654 | uint8_t buf[4096]; | |
4655 | int size; | |
4656 | ||
4657 | size = vde_recv(s->vde, buf, sizeof(buf), 0); | |
4658 | if (size > 0) { | |
4659 | qemu_send_packet(s->vc, buf, size); | |
4660 | } | |
4661 | } | |
4662 | ||
4663 | static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) | |
4664 | { | |
4665 | VDEState *s = opaque; | |
4666 | int ret; | |
4667 | for(;;) { | |
4668 | ret = vde_send(s->vde, buf, size, 0); | |
4669 | if (ret < 0 && errno == EINTR) { | |
4670 | } else { | |
4671 | break; | |
4672 | } | |
4673 | } | |
4674 | } | |
4675 | ||
4676 | static int net_vde_init(VLANState *vlan, const char *sock, int port, | |
4677 | const char *group, int mode) | |
4678 | { | |
4679 | VDEState *s; | |
4680 | char *init_group = strlen(group) ? (char *)group : NULL; | |
4681 | char *init_sock = strlen(sock) ? (char *)sock : NULL; | |
4682 | ||
4683 | struct vde_open_args args = { | |
4684 | .port = port, | |
4685 | .group = init_group, | |
4686 | .mode = mode, | |
4687 | }; | |
4688 | ||
4689 | s = qemu_mallocz(sizeof(VDEState)); | |
4690 | if (!s) | |
4691 | return -1; | |
4692 | s->vde = vde_open(init_sock, "QEMU", &args); | |
4693 | if (!s->vde){ | |
4694 | free(s); | |
4695 | return -1; | |
4696 | } | |
4697 | s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s); | |
4698 | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s); | |
4699 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d", | |
4700 | sock, vde_datafd(s->vde)); | |
4701 | return 0; | |
4702 | } | |
4703 | #endif | |
4704 | ||
4705 | /* network connection */ | |
4706 | typedef struct NetSocketState { | |
4707 | VLANClientState *vc; | |
4708 | int fd; | |
4709 | int state; /* 0 = getting length, 1 = getting data */ | |
4710 | int index; | |
4711 | int packet_len; | |
4712 | uint8_t buf[4096]; | |
4713 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
4714 | } NetSocketState; | |
4715 | ||
4716 | typedef struct NetSocketListenState { | |
4717 | VLANState *vlan; | |
4718 | int fd; | |
4719 | } NetSocketListenState; | |
4720 | ||
4721 | /* XXX: we consider we can send the whole packet without blocking */ | |
4722 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
4723 | { | |
4724 | NetSocketState *s = opaque; | |
4725 | uint32_t len; | |
4726 | len = htonl(size); | |
4727 | ||
4728 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
4729 | send_all(s->fd, buf, size); | |
4730 | } | |
4731 | ||
4732 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
4733 | { | |
4734 | NetSocketState *s = opaque; | |
4735 | sendto(s->fd, buf, size, 0, | |
4736 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
4737 | } | |
4738 | ||
4739 | static void net_socket_send(void *opaque) | |
4740 | { | |
4741 | NetSocketState *s = opaque; | |
4742 | int l, size, err; | |
4743 | uint8_t buf1[4096]; | |
4744 | const uint8_t *buf; | |
4745 | ||
4746 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
4747 | if (size < 0) { | |
4748 | err = socket_error(); | |
4749 | if (err != EWOULDBLOCK) | |
4750 | goto eoc; | |
4751 | } else if (size == 0) { | |
4752 | /* end of connection */ | |
4753 | eoc: | |
4754 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
4755 | closesocket(s->fd); | |
4756 | return; | |
4757 | } | |
4758 | buf = buf1; | |
4759 | while (size > 0) { | |
4760 | /* reassemble a packet from the network */ | |
4761 | switch(s->state) { | |
4762 | case 0: | |
4763 | l = 4 - s->index; | |
4764 | if (l > size) | |
4765 | l = size; | |
4766 | memcpy(s->buf + s->index, buf, l); | |
4767 | buf += l; | |
4768 | size -= l; | |
4769 | s->index += l; | |
4770 | if (s->index == 4) { | |
4771 | /* got length */ | |
4772 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
4773 | s->index = 0; | |
4774 | s->state = 1; | |
4775 | } | |
4776 | break; | |
4777 | case 1: | |
4778 | l = s->packet_len - s->index; | |
4779 | if (l > size) | |
4780 | l = size; | |
4781 | memcpy(s->buf + s->index, buf, l); | |
4782 | s->index += l; | |
4783 | buf += l; | |
4784 | size -= l; | |
4785 | if (s->index >= s->packet_len) { | |
4786 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
4787 | s->index = 0; | |
4788 | s->state = 0; | |
4789 | } | |
4790 | break; | |
4791 | } | |
4792 | } | |
4793 | } | |
4794 | ||
4795 | static void net_socket_send_dgram(void *opaque) | |
4796 | { | |
4797 | NetSocketState *s = opaque; | |
4798 | int size; | |
4799 | ||
4800 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
4801 | if (size < 0) | |
4802 | return; | |
4803 | if (size == 0) { | |
4804 | /* end of connection */ | |
4805 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
4806 | return; | |
4807 | } | |
4808 | qemu_send_packet(s->vc, s->buf, size); | |
4809 | } | |
4810 | ||
4811 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
4812 | { | |
4813 | struct ip_mreq imr; | |
4814 | int fd; | |
4815 | int val, ret; | |
4816 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
4817 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
4818 | inet_ntoa(mcastaddr->sin_addr), | |
4819 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
4820 | return -1; | |
4821 | ||
4822 | } | |
4823 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
4824 | if (fd < 0) { | |
4825 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
4826 | return -1; | |
4827 | } | |
4828 | ||
4829 | val = 1; | |
4830 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
4831 | (const char *)&val, sizeof(val)); | |
4832 | if (ret < 0) { | |
4833 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
4834 | goto fail; | |
4835 | } | |
4836 | ||
4837 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
4838 | if (ret < 0) { | |
4839 | perror("bind"); | |
4840 | goto fail; | |
4841 | } | |
4842 | ||
4843 | /* Add host to multicast group */ | |
4844 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
4845 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
4846 | ||
4847 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
4848 | (const char *)&imr, sizeof(struct ip_mreq)); | |
4849 | if (ret < 0) { | |
4850 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
4851 | goto fail; | |
4852 | } | |
4853 | ||
4854 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
4855 | val = 1; | |
4856 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
4857 | (const char *)&val, sizeof(val)); | |
4858 | if (ret < 0) { | |
4859 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
4860 | goto fail; | |
4861 | } | |
4862 | ||
4863 | socket_set_nonblock(fd); | |
4864 | return fd; | |
4865 | fail: | |
4866 | if (fd >= 0) | |
4867 | closesocket(fd); | |
4868 | return -1; | |
4869 | } | |
4870 | ||
4871 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, | |
4872 | int is_connected) | |
4873 | { | |
4874 | struct sockaddr_in saddr; | |
4875 | int newfd; | |
4876 | socklen_t saddr_len; | |
4877 | NetSocketState *s; | |
4878 | ||
4879 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
4880 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
4881 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
4882 | */ | |
4883 | ||
4884 | if (is_connected) { | |
4885 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
4886 | /* must be bound */ | |
4887 | if (saddr.sin_addr.s_addr==0) { | |
4888 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
4889 | fd); | |
4890 | return NULL; | |
4891 | } | |
4892 | /* clone dgram socket */ | |
4893 | newfd = net_socket_mcast_create(&saddr); | |
4894 | if (newfd < 0) { | |
4895 | /* error already reported by net_socket_mcast_create() */ | |
4896 | close(fd); | |
4897 | return NULL; | |
4898 | } | |
4899 | /* clone newfd to fd, close newfd */ | |
4900 | dup2(newfd, fd); | |
4901 | close(newfd); | |
4902 | ||
4903 | } else { | |
4904 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
4905 | fd, strerror(errno)); | |
4906 | return NULL; | |
4907 | } | |
4908 | } | |
4909 | ||
4910 | s = qemu_mallocz(sizeof(NetSocketState)); | |
4911 | if (!s) | |
4912 | return NULL; | |
4913 | s->fd = fd; | |
4914 | ||
4915 | s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); | |
4916 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); | |
4917 | ||
4918 | /* mcast: save bound address as dst */ | |
4919 | if (is_connected) s->dgram_dst=saddr; | |
4920 | ||
4921 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4922 | "socket: fd=%d (%s mcast=%s:%d)", | |
4923 | fd, is_connected? "cloned" : "", | |
4924 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
4925 | return s; | |
4926 | } | |
4927 | ||
4928 | static void net_socket_connect(void *opaque) | |
4929 | { | |
4930 | NetSocketState *s = opaque; | |
4931 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
4932 | } | |
4933 | ||
4934 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, | |
4935 | int is_connected) | |
4936 | { | |
4937 | NetSocketState *s; | |
4938 | s = qemu_mallocz(sizeof(NetSocketState)); | |
4939 | if (!s) | |
4940 | return NULL; | |
4941 | s->fd = fd; | |
4942 | s->vc = qemu_new_vlan_client(vlan, | |
4943 | net_socket_receive, NULL, s); | |
4944 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4945 | "socket: fd=%d", fd); | |
4946 | if (is_connected) { | |
4947 | net_socket_connect(s); | |
4948 | } else { | |
4949 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
4950 | } | |
4951 | return s; | |
4952 | } | |
4953 | ||
4954 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, | |
4955 | int is_connected) | |
4956 | { | |
4957 | int so_type=-1, optlen=sizeof(so_type); | |
4958 | ||
4959 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, | |
4960 | (socklen_t *)&optlen)< 0) { | |
4961 | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
4962 | return NULL; | |
4963 | } | |
4964 | switch(so_type) { | |
4965 | case SOCK_DGRAM: | |
4966 | return net_socket_fd_init_dgram(vlan, fd, is_connected); | |
4967 | case SOCK_STREAM: | |
4968 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
4969 | default: | |
4970 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
4971 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
4972 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
4973 | } | |
4974 | return NULL; | |
4975 | } | |
4976 | ||
4977 | static void net_socket_accept(void *opaque) | |
4978 | { | |
4979 | NetSocketListenState *s = opaque; | |
4980 | NetSocketState *s1; | |
4981 | struct sockaddr_in saddr; | |
4982 | socklen_t len; | |
4983 | int fd; | |
4984 | ||
4985 | for(;;) { | |
4986 | len = sizeof(saddr); | |
4987 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
4988 | if (fd < 0 && errno != EINTR) { | |
4989 | return; | |
4990 | } else if (fd >= 0) { | |
4991 | break; | |
4992 | } | |
4993 | } | |
4994 | s1 = net_socket_fd_init(s->vlan, fd, 1); | |
4995 | if (!s1) { | |
4996 | closesocket(fd); | |
4997 | } else { | |
4998 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
4999 | "socket: connection from %s:%d", | |
5000 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
5001 | } | |
5002 | } | |
5003 | ||
5004 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) | |
5005 | { | |
5006 | NetSocketListenState *s; | |
5007 | int fd, val, ret; | |
5008 | struct sockaddr_in saddr; | |
5009 | ||
5010 | if (parse_host_port(&saddr, host_str) < 0) | |
5011 | return -1; | |
5012 | ||
5013 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
5014 | if (!s) | |
5015 | return -1; | |
5016 | ||
5017 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
5018 | if (fd < 0) { | |
5019 | perror("socket"); | |
5020 | return -1; | |
5021 | } | |
5022 | socket_set_nonblock(fd); | |
5023 | ||
5024 | /* allow fast reuse */ | |
5025 | val = 1; | |
5026 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
5027 | ||
5028 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
5029 | if (ret < 0) { | |
5030 | perror("bind"); | |
5031 | return -1; | |
5032 | } | |
5033 | ret = listen(fd, 0); | |
5034 | if (ret < 0) { | |
5035 | perror("listen"); | |
5036 | return -1; | |
5037 | } | |
5038 | s->vlan = vlan; | |
5039 | s->fd = fd; | |
5040 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
5041 | return 0; | |
5042 | } | |
5043 | ||
5044 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) | |
5045 | { | |
5046 | NetSocketState *s; | |
5047 | int fd, connected, ret, err; | |
5048 | struct sockaddr_in saddr; | |
5049 | ||
5050 | if (parse_host_port(&saddr, host_str) < 0) | |
5051 | return -1; | |
5052 | ||
5053 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
5054 | if (fd < 0) { | |
5055 | perror("socket"); | |
5056 | return -1; | |
5057 | } | |
5058 | socket_set_nonblock(fd); | |
5059 | ||
5060 | connected = 0; | |
5061 | for(;;) { | |
5062 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
5063 | if (ret < 0) { | |
5064 | err = socket_error(); | |
5065 | if (err == EINTR || err == EWOULDBLOCK) { | |
5066 | } else if (err == EINPROGRESS) { | |
5067 | break; | |
5068 | #ifdef _WIN32 | |
5069 | } else if (err == WSAEALREADY) { | |
5070 | break; | |
5071 | #endif | |
5072 | } else { | |
5073 | perror("connect"); | |
5074 | closesocket(fd); | |
5075 | return -1; | |
5076 | } | |
5077 | } else { | |
5078 | connected = 1; | |
5079 | break; | |
5080 | } | |
5081 | } | |
5082 | s = net_socket_fd_init(vlan, fd, connected); | |
5083 | if (!s) | |
5084 | return -1; | |
5085 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
5086 | "socket: connect to %s:%d", | |
5087 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
5088 | return 0; | |
5089 | } | |
5090 | ||
5091 | static int net_socket_mcast_init(VLANState *vlan, const char *host_str) | |
5092 | { | |
5093 | NetSocketState *s; | |
5094 | int fd; | |
5095 | struct sockaddr_in saddr; | |
5096 | ||
5097 | if (parse_host_port(&saddr, host_str) < 0) | |
5098 | return -1; | |
5099 | ||
5100 | ||
5101 | fd = net_socket_mcast_create(&saddr); | |
5102 | if (fd < 0) | |
5103 | return -1; | |
5104 | ||
5105 | s = net_socket_fd_init(vlan, fd, 0); | |
5106 | if (!s) | |
5107 | return -1; | |
5108 | ||
5109 | s->dgram_dst = saddr; | |
5110 | ||
5111 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
5112 | "socket: mcast=%s:%d", | |
5113 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
5114 | return 0; | |
5115 | ||
5116 | } | |
5117 | ||
5118 | static const char *get_opt_name(char *buf, int buf_size, const char *p) | |
5119 | { | |
5120 | char *q; | |
5121 | ||
5122 | q = buf; | |
5123 | while (*p != '\0' && *p != '=') { | |
5124 | if (q && (q - buf) < buf_size - 1) | |
5125 | *q++ = *p; | |
5126 | p++; | |
5127 | } | |
5128 | if (q) | |
5129 | *q = '\0'; | |
5130 | ||
5131 | return p; | |
5132 | } | |
5133 | ||
5134 | static const char *get_opt_value(char *buf, int buf_size, const char *p) | |
5135 | { | |
5136 | char *q; | |
5137 | ||
5138 | q = buf; | |
5139 | while (*p != '\0') { | |
5140 | if (*p == ',') { | |
5141 | if (*(p + 1) != ',') | |
5142 | break; | |
5143 | p++; | |
5144 | } | |
5145 | if (q && (q - buf) < buf_size - 1) | |
5146 | *q++ = *p; | |
5147 | p++; | |
5148 | } | |
5149 | if (q) | |
5150 | *q = '\0'; | |
5151 | ||
5152 | return p; | |
5153 | } | |
5154 | ||
5155 | static int get_param_value(char *buf, int buf_size, | |
5156 | const char *tag, const char *str) | |
5157 | { | |
5158 | const char *p; | |
5159 | char option[128]; | |
5160 | ||
5161 | p = str; | |
5162 | for(;;) { | |
5163 | p = get_opt_name(option, sizeof(option), p); | |
5164 | if (*p != '=') | |
5165 | break; | |
5166 | p++; | |
5167 | if (!strcmp(tag, option)) { | |
5168 | (void)get_opt_value(buf, buf_size, p); | |
5169 | return strlen(buf); | |
5170 | } else { | |
5171 | p = get_opt_value(NULL, 0, p); | |
5172 | } | |
5173 | if (*p != ',') | |
5174 | break; | |
5175 | p++; | |
5176 | } | |
5177 | return 0; | |
5178 | } | |
5179 | ||
5180 | static int check_params(char *buf, int buf_size, | |
5181 | const char * const *params, const char *str) | |
5182 | { | |
5183 | const char *p; | |
5184 | int i; | |
5185 | ||
5186 | p = str; | |
5187 | for(;;) { | |
5188 | p = get_opt_name(buf, buf_size, p); | |
5189 | if (*p != '=') | |
5190 | return -1; | |
5191 | p++; | |
5192 | for(i = 0; params[i] != NULL; i++) | |
5193 | if (!strcmp(params[i], buf)) | |
5194 | break; | |
5195 | if (params[i] == NULL) | |
5196 | return -1; | |
5197 | p = get_opt_value(NULL, 0, p); | |
5198 | if (*p != ',') | |
5199 | break; | |
5200 | p++; | |
5201 | } | |
5202 | return 0; | |
5203 | } | |
5204 | ||
5205 | static int net_client_init(const char *device, const char *p) | |
5206 | { | |
5207 | char buf[1024]; | |
5208 | int vlan_id, ret; | |
5209 | VLANState *vlan; | |
5210 | ||
5211 | vlan_id = 0; | |
5212 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
5213 | vlan_id = strtol(buf, NULL, 0); | |
5214 | } | |
5215 | vlan = qemu_find_vlan(vlan_id); | |
5216 | if (!vlan) { | |
5217 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); | |
5218 | return -1; | |
5219 | } | |
5220 | if (!strcmp(device, "nic")) { | |
5221 | NICInfo *nd; | |
5222 | uint8_t *macaddr; | |
5223 | ||
5224 | if (nb_nics >= MAX_NICS) { | |
5225 | fprintf(stderr, "Too Many NICs\n"); | |
5226 | return -1; | |
5227 | } | |
5228 | nd = &nd_table[nb_nics]; | |
5229 | macaddr = nd->macaddr; | |
5230 | macaddr[0] = 0x52; | |
5231 | macaddr[1] = 0x54; | |
5232 | macaddr[2] = 0x00; | |
5233 | macaddr[3] = 0x12; | |
5234 | macaddr[4] = 0x34; | |
5235 | macaddr[5] = 0x56 + nb_nics; | |
5236 | ||
5237 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
5238 | if (parse_macaddr(macaddr, buf) < 0) { | |
5239 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
5240 | return -1; | |
5241 | } | |
5242 | } | |
5243 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
5244 | nd->model = strdup(buf); | |
5245 | } | |
5246 | nd->vlan = vlan; | |
5247 | nb_nics++; | |
5248 | vlan->nb_guest_devs++; | |
5249 | ret = 0; | |
5250 | } else | |
5251 | if (!strcmp(device, "none")) { | |
5252 | /* does nothing. It is needed to signal that no network cards | |
5253 | are wanted */ | |
5254 | ret = 0; | |
5255 | } else | |
5256 | #ifdef CONFIG_SLIRP | |
5257 | if (!strcmp(device, "user")) { | |
5258 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { | |
5259 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
5260 | } | |
5261 | vlan->nb_host_devs++; | |
5262 | ret = net_slirp_init(vlan); | |
5263 | } else | |
5264 | #endif | |
5265 | #ifdef _WIN32 | |
5266 | if (!strcmp(device, "tap")) { | |
5267 | char ifname[64]; | |
5268 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
5269 | fprintf(stderr, "tap: no interface name\n"); | |
5270 | return -1; | |
5271 | } | |
5272 | vlan->nb_host_devs++; | |
5273 | ret = tap_win32_init(vlan, ifname); | |
5274 | } else | |
5275 | #else | |
5276 | if (!strcmp(device, "tap")) { | |
5277 | char ifname[64]; | |
5278 | char setup_script[1024], down_script[1024]; | |
5279 | int fd; | |
5280 | vlan->nb_host_devs++; | |
5281 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
5282 | fd = strtol(buf, NULL, 0); | |
5283 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
5284 | ret = -1; | |
5285 | if (net_tap_fd_init(vlan, fd)) | |
5286 | ret = 0; | |
5287 | } else { | |
5288 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
5289 | ifname[0] = '\0'; | |
5290 | } | |
5291 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
5292 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
5293 | } | |
5294 | if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { | |
5295 | pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT); | |
5296 | } | |
5297 | ret = net_tap_init(vlan, ifname, setup_script, down_script); | |
5298 | } | |
5299 | } else | |
5300 | #endif | |
5301 | if (!strcmp(device, "socket")) { | |
5302 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
5303 | int fd; | |
5304 | fd = strtol(buf, NULL, 0); | |
5305 | ret = -1; | |
5306 | if (net_socket_fd_init(vlan, fd, 1)) | |
5307 | ret = 0; | |
5308 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
5309 | ret = net_socket_listen_init(vlan, buf); | |
5310 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { | |
5311 | ret = net_socket_connect_init(vlan, buf); | |
5312 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { | |
5313 | ret = net_socket_mcast_init(vlan, buf); | |
5314 | } else { | |
5315 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
5316 | return -1; | |
5317 | } | |
5318 | vlan->nb_host_devs++; | |
5319 | } else | |
5320 | #ifdef CONFIG_VDE | |
5321 | if (!strcmp(device, "vde")) { | |
5322 | char vde_sock[1024], vde_group[512]; | |
5323 | int vde_port, vde_mode; | |
5324 | vlan->nb_host_devs++; | |
5325 | if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { | |
5326 | vde_sock[0] = '\0'; | |
5327 | } | |
5328 | if (get_param_value(buf, sizeof(buf), "port", p) > 0) { | |
5329 | vde_port = strtol(buf, NULL, 10); | |
5330 | } else { | |
5331 | vde_port = 0; | |
5332 | } | |
5333 | if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { | |
5334 | vde_group[0] = '\0'; | |
5335 | } | |
5336 | if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { | |
5337 | vde_mode = strtol(buf, NULL, 8); | |
5338 | } else { | |
5339 | vde_mode = 0700; | |
5340 | } | |
5341 | ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode); | |
5342 | } else | |
5343 | #endif | |
5344 | { | |
5345 | fprintf(stderr, "Unknown network device: %s\n", device); | |
5346 | return -1; | |
5347 | } | |
5348 | if (ret < 0) { | |
5349 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
5350 | } | |
5351 | ||
5352 | return ret; | |
5353 | } | |
5354 | ||
5355 | static int net_client_parse(const char *str) | |
5356 | { | |
5357 | const char *p; | |
5358 | char *q; | |
5359 | char device[64]; | |
5360 | ||
5361 | p = str; | |
5362 | q = device; | |
5363 | while (*p != '\0' && *p != ',') { | |
5364 | if ((q - device) < sizeof(device) - 1) | |
5365 | *q++ = *p; | |
5366 | p++; | |
5367 | } | |
5368 | *q = '\0'; | |
5369 | if (*p == ',') | |
5370 | p++; | |
5371 | ||
5372 | return net_client_init(device, p); | |
5373 | } | |
5374 | ||
5375 | void do_info_network(void) | |
5376 | { | |
5377 | VLANState *vlan; | |
5378 | VLANClientState *vc; | |
5379 | ||
5380 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
5381 | term_printf("VLAN %d devices:\n", vlan->id); | |
5382 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
5383 | term_printf(" %s\n", vc->info_str); | |
5384 | } | |
5385 | } | |
5386 | ||
5387 | /***********************************************************/ | |
5388 | /* Bluetooth support */ | |
5389 | static int nb_hcis; | |
5390 | static int cur_hci; | |
5391 | static struct HCIInfo *hci_table[MAX_NICS]; | |
5392 | #if 0 | |
5393 | static struct bt_vlan_s { | |
5394 | struct bt_scatternet_s net; | |
5395 | int id; | |
5396 | struct bt_vlan_s *next; | |
5397 | } *first_bt_vlan; | |
5398 | ||
5399 | /* find or alloc a new bluetooth "VLAN" */ | |
5400 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) | |
5401 | { | |
5402 | struct bt_vlan_s **pvlan, *vlan; | |
5403 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
5404 | if (vlan->id == id) | |
5405 | return &vlan->net; | |
5406 | } | |
5407 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
5408 | vlan->id = id; | |
5409 | pvlan = &first_bt_vlan; | |
5410 | while (*pvlan != NULL) | |
5411 | pvlan = &(*pvlan)->next; | |
5412 | *pvlan = vlan; | |
5413 | return &vlan->net; | |
5414 | } | |
5415 | #endif | |
5416 | ||
5417 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
5418 | { | |
5419 | } | |
5420 | ||
5421 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
5422 | { | |
5423 | return -ENOTSUP; | |
5424 | } | |
5425 | ||
5426 | static struct HCIInfo null_hci = { | |
5427 | .cmd_send = null_hci_send, | |
5428 | .sco_send = null_hci_send, | |
5429 | .acl_send = null_hci_send, | |
5430 | .bdaddr_set = null_hci_addr_set, | |
5431 | }; | |
5432 | ||
5433 | struct HCIInfo *qemu_next_hci(void) | |
5434 | { | |
5435 | if (cur_hci == nb_hcis) | |
5436 | return &null_hci; | |
5437 | ||
5438 | return hci_table[cur_hci++]; | |
5439 | } | |
5440 | ||
5441 | /***********************************************************/ | |
5442 | /* QEMU Block devices */ | |
5443 | ||
5444 | #define HD_ALIAS "index=%d,media=disk" | |
5445 | #ifdef TARGET_PPC | |
5446 | #define CDROM_ALIAS "index=1,media=cdrom" | |
5447 | #else | |
5448 | #define CDROM_ALIAS "index=2,media=cdrom" | |
5449 | #endif | |
5450 | #define FD_ALIAS "index=%d,if=floppy" | |
5451 | #define PFLASH_ALIAS "if=pflash" | |
5452 | #define MTD_ALIAS "if=mtd" | |
5453 | #define SD_ALIAS "index=0,if=sd" | |
5454 | ||
5455 | static int drive_add(const char *file, const char *fmt, ...) | |
5456 | { | |
5457 | va_list ap; | |
5458 | ||
5459 | if (nb_drives_opt >= MAX_DRIVES) { | |
5460 | fprintf(stderr, "qemu: too many drives\n"); | |
5461 | exit(1); | |
5462 | } | |
5463 | ||
5464 | drives_opt[nb_drives_opt].file = file; | |
5465 | va_start(ap, fmt); | |
5466 | vsnprintf(drives_opt[nb_drives_opt].opt, | |
5467 | sizeof(drives_opt[0].opt), fmt, ap); | |
5468 | va_end(ap); | |
5469 | ||
5470 | return nb_drives_opt++; | |
5471 | } | |
5472 | ||
5473 | int drive_get_index(BlockInterfaceType type, int bus, int unit) | |
5474 | { | |
5475 | int index; | |
5476 | ||
5477 | /* seek interface, bus and unit */ | |
5478 | ||
5479 | for (index = 0; index < nb_drives; index++) | |
5480 | if (drives_table[index].type == type && | |
5481 | drives_table[index].bus == bus && | |
5482 | drives_table[index].unit == unit) | |
5483 | return index; | |
5484 | ||
5485 | return -1; | |
5486 | } | |
5487 | ||
5488 | int drive_get_max_bus(BlockInterfaceType type) | |
5489 | { | |
5490 | int max_bus; | |
5491 | int index; | |
5492 | ||
5493 | max_bus = -1; | |
5494 | for (index = 0; index < nb_drives; index++) { | |
5495 | if(drives_table[index].type == type && | |
5496 | drives_table[index].bus > max_bus) | |
5497 | max_bus = drives_table[index].bus; | |
5498 | } | |
5499 | return max_bus; | |
5500 | } | |
5501 | ||
5502 | static void bdrv_format_print(void *opaque, const char *name) | |
5503 | { | |
5504 | fprintf(stderr, " %s", name); | |
5505 | } | |
5506 | ||
5507 | static int drive_init(struct drive_opt *arg, int snapshot, | |
5508 | QEMUMachine *machine) | |
5509 | { | |
5510 | char buf[128]; | |
5511 | char file[1024]; | |
5512 | char devname[128]; | |
5513 | const char *mediastr = ""; | |
5514 | BlockInterfaceType type; | |
5515 | enum { MEDIA_DISK, MEDIA_CDROM } media; | |
5516 | int bus_id, unit_id; | |
5517 | int cyls, heads, secs, translation; | |
5518 | BlockDriverState *bdrv; | |
5519 | BlockDriver *drv = NULL; | |
5520 | int max_devs; | |
5521 | int index; | |
5522 | int cache; | |
5523 | int bdrv_flags; | |
5524 | char *str = arg->opt; | |
5525 | static const char * const params[] = { "bus", "unit", "if", "index", | |
5526 | "cyls", "heads", "secs", "trans", | |
5527 | "media", "snapshot", "file", | |
5528 | "cache", "format", NULL }; | |
5529 | ||
5530 | if (check_params(buf, sizeof(buf), params, str) < 0) { | |
5531 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", | |
5532 | buf, str); | |
5533 | return -1; | |
5534 | } | |
5535 | ||
5536 | file[0] = 0; | |
5537 | cyls = heads = secs = 0; | |
5538 | bus_id = 0; | |
5539 | unit_id = -1; | |
5540 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5541 | index = -1; | |
5542 | cache = 1; | |
5543 | ||
5544 | if (machine->use_scsi) { | |
5545 | type = IF_SCSI; | |
5546 | max_devs = MAX_SCSI_DEVS; | |
5547 | pstrcpy(devname, sizeof(devname), "scsi"); | |
5548 | } else { | |
5549 | type = IF_IDE; | |
5550 | max_devs = MAX_IDE_DEVS; | |
5551 | pstrcpy(devname, sizeof(devname), "ide"); | |
5552 | } | |
5553 | media = MEDIA_DISK; | |
5554 | ||
5555 | /* extract parameters */ | |
5556 | ||
5557 | if (get_param_value(buf, sizeof(buf), "bus", str)) { | |
5558 | bus_id = strtol(buf, NULL, 0); | |
5559 | if (bus_id < 0) { | |
5560 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); | |
5561 | return -1; | |
5562 | } | |
5563 | } | |
5564 | ||
5565 | if (get_param_value(buf, sizeof(buf), "unit", str)) { | |
5566 | unit_id = strtol(buf, NULL, 0); | |
5567 | if (unit_id < 0) { | |
5568 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); | |
5569 | return -1; | |
5570 | } | |
5571 | } | |
5572 | ||
5573 | if (get_param_value(buf, sizeof(buf), "if", str)) { | |
5574 | pstrcpy(devname, sizeof(devname), buf); | |
5575 | if (!strcmp(buf, "ide")) { | |
5576 | type = IF_IDE; | |
5577 | max_devs = MAX_IDE_DEVS; | |
5578 | } else if (!strcmp(buf, "scsi")) { | |
5579 | type = IF_SCSI; | |
5580 | max_devs = MAX_SCSI_DEVS; | |
5581 | } else if (!strcmp(buf, "floppy")) { | |
5582 | type = IF_FLOPPY; | |
5583 | max_devs = 0; | |
5584 | } else if (!strcmp(buf, "pflash")) { | |
5585 | type = IF_PFLASH; | |
5586 | max_devs = 0; | |
5587 | } else if (!strcmp(buf, "mtd")) { | |
5588 | type = IF_MTD; | |
5589 | max_devs = 0; | |
5590 | } else if (!strcmp(buf, "sd")) { | |
5591 | type = IF_SD; | |
5592 | max_devs = 0; | |
5593 | } else { | |
5594 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); | |
5595 | return -1; | |
5596 | } | |
5597 | } | |
5598 | ||
5599 | if (get_param_value(buf, sizeof(buf), "index", str)) { | |
5600 | index = strtol(buf, NULL, 0); | |
5601 | if (index < 0) { | |
5602 | fprintf(stderr, "qemu: '%s' invalid index\n", str); | |
5603 | return -1; | |
5604 | } | |
5605 | } | |
5606 | ||
5607 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { | |
5608 | cyls = strtol(buf, NULL, 0); | |
5609 | } | |
5610 | ||
5611 | if (get_param_value(buf, sizeof(buf), "heads", str)) { | |
5612 | heads = strtol(buf, NULL, 0); | |
5613 | } | |
5614 | ||
5615 | if (get_param_value(buf, sizeof(buf), "secs", str)) { | |
5616 | secs = strtol(buf, NULL, 0); | |
5617 | } | |
5618 | ||
5619 | if (cyls || heads || secs) { | |
5620 | if (cyls < 1 || cyls > 16383) { | |
5621 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); | |
5622 | return -1; | |
5623 | } | |
5624 | if (heads < 1 || heads > 16) { | |
5625 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); | |
5626 | return -1; | |
5627 | } | |
5628 | if (secs < 1 || secs > 63) { | |
5629 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); | |
5630 | return -1; | |
5631 | } | |
5632 | } | |
5633 | ||
5634 | if (get_param_value(buf, sizeof(buf), "trans", str)) { | |
5635 | if (!cyls) { | |
5636 | fprintf(stderr, | |
5637 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
5638 | str); | |
5639 | return -1; | |
5640 | } | |
5641 | if (!strcmp(buf, "none")) | |
5642 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5643 | else if (!strcmp(buf, "lba")) | |
5644 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5645 | else if (!strcmp(buf, "auto")) | |
5646 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5647 | else { | |
5648 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); | |
5649 | return -1; | |
5650 | } | |
5651 | } | |
5652 | ||
5653 | if (get_param_value(buf, sizeof(buf), "media", str)) { | |
5654 | if (!strcmp(buf, "disk")) { | |
5655 | media = MEDIA_DISK; | |
5656 | } else if (!strcmp(buf, "cdrom")) { | |
5657 | if (cyls || secs || heads) { | |
5658 | fprintf(stderr, | |
5659 | "qemu: '%s' invalid physical CHS format\n", str); | |
5660 | return -1; | |
5661 | } | |
5662 | media = MEDIA_CDROM; | |
5663 | } else { | |
5664 | fprintf(stderr, "qemu: '%s' invalid media\n", str); | |
5665 | return -1; | |
5666 | } | |
5667 | } | |
5668 | ||
5669 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { | |
5670 | if (!strcmp(buf, "on")) | |
5671 | snapshot = 1; | |
5672 | else if (!strcmp(buf, "off")) | |
5673 | snapshot = 0; | |
5674 | else { | |
5675 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); | |
5676 | return -1; | |
5677 | } | |
5678 | } | |
5679 | ||
5680 | if (get_param_value(buf, sizeof(buf), "cache", str)) { | |
5681 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) | |
5682 | cache = 0; | |
5683 | else if (!strcmp(buf, "writethrough")) | |
5684 | cache = 1; | |
5685 | else if (!strcmp(buf, "writeback")) | |
5686 | cache = 2; | |
5687 | else { | |
5688 | fprintf(stderr, "qemu: invalid cache option\n"); | |
5689 | return -1; | |
5690 | } | |
5691 | } | |
5692 | ||
5693 | if (get_param_value(buf, sizeof(buf), "format", str)) { | |
5694 | if (strcmp(buf, "?") == 0) { | |
5695 | fprintf(stderr, "qemu: Supported formats:"); | |
5696 | bdrv_iterate_format(bdrv_format_print, NULL); | |
5697 | fprintf(stderr, "\n"); | |
5698 | return -1; | |
5699 | } | |
5700 | drv = bdrv_find_format(buf); | |
5701 | if (!drv) { | |
5702 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
5703 | return -1; | |
5704 | } | |
5705 | } | |
5706 | ||
5707 | if (arg->file == NULL) | |
5708 | get_param_value(file, sizeof(file), "file", str); | |
5709 | else | |
5710 | pstrcpy(file, sizeof(file), arg->file); | |
5711 | ||
5712 | /* compute bus and unit according index */ | |
5713 | ||
5714 | if (index != -1) { | |
5715 | if (bus_id != 0 || unit_id != -1) { | |
5716 | fprintf(stderr, | |
5717 | "qemu: '%s' index cannot be used with bus and unit\n", str); | |
5718 | return -1; | |
5719 | } | |
5720 | if (max_devs == 0) | |
5721 | { | |
5722 | unit_id = index; | |
5723 | bus_id = 0; | |
5724 | } else { | |
5725 | unit_id = index % max_devs; | |
5726 | bus_id = index / max_devs; | |
5727 | } | |
5728 | } | |
5729 | ||
5730 | /* if user doesn't specify a unit_id, | |
5731 | * try to find the first free | |
5732 | */ | |
5733 | ||
5734 | if (unit_id == -1) { | |
5735 | unit_id = 0; | |
5736 | while (drive_get_index(type, bus_id, unit_id) != -1) { | |
5737 | unit_id++; | |
5738 | if (max_devs && unit_id >= max_devs) { | |
5739 | unit_id -= max_devs; | |
5740 | bus_id++; | |
5741 | } | |
5742 | } | |
5743 | } | |
5744 | ||
5745 | /* check unit id */ | |
5746 | ||
5747 | if (max_devs && unit_id >= max_devs) { | |
5748 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", | |
5749 | str, unit_id, max_devs - 1); | |
5750 | return -1; | |
5751 | } | |
5752 | ||
5753 | /* | |
5754 | * ignore multiple definitions | |
5755 | */ | |
5756 | ||
5757 | if (drive_get_index(type, bus_id, unit_id) != -1) | |
5758 | return 0; | |
5759 | ||
5760 | /* init */ | |
5761 | ||
5762 | if (type == IF_IDE || type == IF_SCSI) | |
5763 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
5764 | if (max_devs) | |
5765 | snprintf(buf, sizeof(buf), "%s%i%s%i", | |
5766 | devname, bus_id, mediastr, unit_id); | |
5767 | else | |
5768 | snprintf(buf, sizeof(buf), "%s%s%i", | |
5769 | devname, mediastr, unit_id); | |
5770 | bdrv = bdrv_new(buf); | |
5771 | drives_table[nb_drives].bdrv = bdrv; | |
5772 | drives_table[nb_drives].type = type; | |
5773 | drives_table[nb_drives].bus = bus_id; | |
5774 | drives_table[nb_drives].unit = unit_id; | |
5775 | nb_drives++; | |
5776 | ||
5777 | switch(type) { | |
5778 | case IF_IDE: | |
5779 | case IF_SCSI: | |
5780 | switch(media) { | |
5781 | case MEDIA_DISK: | |
5782 | if (cyls != 0) { | |
5783 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); | |
5784 | bdrv_set_translation_hint(bdrv, translation); | |
5785 | } | |
5786 | break; | |
5787 | case MEDIA_CDROM: | |
5788 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); | |
5789 | break; | |
5790 | } | |
5791 | break; | |
5792 | case IF_SD: | |
5793 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
5794 | approximation. */ | |
5795 | case IF_FLOPPY: | |
5796 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); | |
5797 | break; | |
5798 | case IF_PFLASH: | |
5799 | case IF_MTD: | |
5800 | break; | |
5801 | } | |
5802 | if (!file[0]) | |
5803 | return 0; | |
5804 | bdrv_flags = 0; | |
5805 | if (snapshot) { | |
5806 | bdrv_flags |= BDRV_O_SNAPSHOT; | |
5807 | cache = 2; /* always use write-back with snapshot */ | |
5808 | } | |
5809 | if (cache == 0) /* no caching */ | |
5810 | bdrv_flags |= BDRV_O_NOCACHE; | |
5811 | else if (cache == 2) /* write-back */ | |
5812 | bdrv_flags |= BDRV_O_CACHE_WB; | |
5813 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { | |
5814 | fprintf(stderr, "qemu: could not open disk image %s\n", | |
5815 | file); | |
5816 | return -1; | |
5817 | } | |
5818 | return 0; | |
5819 | } | |
5820 | ||
5821 | /***********************************************************/ | |
5822 | /* USB devices */ | |
5823 | ||
5824 | static USBPort *used_usb_ports; | |
5825 | static USBPort *free_usb_ports; | |
5826 | ||
5827 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
5828 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
5829 | usb_attachfn attach) | |
5830 | { | |
5831 | port->opaque = opaque; | |
5832 | port->index = index; | |
5833 | port->attach = attach; | |
5834 | port->next = free_usb_ports; | |
5835 | free_usb_ports = port; | |
5836 | } | |
5837 | ||
5838 | int usb_device_add_dev(USBDevice *dev) | |
5839 | { | |
5840 | USBPort *port; | |
5841 | ||
5842 | /* Find a USB port to add the device to. */ | |
5843 | port = free_usb_ports; | |
5844 | if (!port->next) { | |
5845 | USBDevice *hub; | |
5846 | ||
5847 | /* Create a new hub and chain it on. */ | |
5848 | free_usb_ports = NULL; | |
5849 | port->next = used_usb_ports; | |
5850 | used_usb_ports = port; | |
5851 | ||
5852 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
5853 | usb_attach(port, hub); | |
5854 | port = free_usb_ports; | |
5855 | } | |
5856 | ||
5857 | free_usb_ports = port->next; | |
5858 | port->next = used_usb_ports; | |
5859 | used_usb_ports = port; | |
5860 | usb_attach(port, dev); | |
5861 | return 0; | |
5862 | } | |
5863 | ||
5864 | static int usb_device_add(const char *devname) | |
5865 | { | |
5866 | const char *p; | |
5867 | USBDevice *dev; | |
5868 | ||
5869 | if (!free_usb_ports) | |
5870 | return -1; | |
5871 | ||
5872 | if (strstart(devname, "host:", &p)) { | |
5873 | dev = usb_host_device_open(p); | |
5874 | } else if (!strcmp(devname, "mouse")) { | |
5875 | dev = usb_mouse_init(); | |
5876 | } else if (!strcmp(devname, "tablet")) { | |
5877 | dev = usb_tablet_init(); | |
5878 | } else if (!strcmp(devname, "keyboard")) { | |
5879 | dev = usb_keyboard_init(); | |
5880 | } else if (strstart(devname, "disk:", &p)) { | |
5881 | dev = usb_msd_init(p); | |
5882 | } else if (!strcmp(devname, "wacom-tablet")) { | |
5883 | dev = usb_wacom_init(); | |
5884 | } else if (strstart(devname, "serial:", &p)) { | |
5885 | dev = usb_serial_init(p); | |
5886 | #ifdef CONFIG_BRLAPI | |
5887 | } else if (!strcmp(devname, "braille")) { | |
5888 | dev = usb_baum_init(); | |
5889 | #endif | |
5890 | } else if (strstart(devname, "net:", &p)) { | |
5891 | int nic = nb_nics; | |
5892 | ||
5893 | if (net_client_init("nic", p) < 0) | |
5894 | return -1; | |
5895 | nd_table[nic].model = "usb"; | |
5896 | dev = usb_net_init(&nd_table[nic]); | |
5897 | } else { | |
5898 | return -1; | |
5899 | } | |
5900 | if (!dev) | |
5901 | return -1; | |
5902 | ||
5903 | return usb_device_add_dev(dev); | |
5904 | } | |
5905 | ||
5906 | int usb_device_del_addr(int bus_num, int addr) | |
5907 | { | |
5908 | USBPort *port; | |
5909 | USBPort **lastp; | |
5910 | USBDevice *dev; | |
5911 | ||
5912 | if (!used_usb_ports) | |
5913 | return -1; | |
5914 | ||
5915 | if (bus_num != 0) | |
5916 | return -1; | |
5917 | ||
5918 | lastp = &used_usb_ports; | |
5919 | port = used_usb_ports; | |
5920 | while (port && port->dev->addr != addr) { | |
5921 | lastp = &port->next; | |
5922 | port = port->next; | |
5923 | } | |
5924 | ||
5925 | if (!port) | |
5926 | return -1; | |
5927 | ||
5928 | dev = port->dev; | |
5929 | *lastp = port->next; | |
5930 | usb_attach(port, NULL); | |
5931 | dev->handle_destroy(dev); | |
5932 | port->next = free_usb_ports; | |
5933 | free_usb_ports = port; | |
5934 | return 0; | |
5935 | } | |
5936 | ||
5937 | static int usb_device_del(const char *devname) | |
5938 | { | |
5939 | int bus_num, addr; | |
5940 | const char *p; | |
5941 | ||
5942 | if (strstart(devname, "host:", &p)) | |
5943 | return usb_host_device_close(p); | |
5944 | ||
5945 | if (!used_usb_ports) | |
5946 | return -1; | |
5947 | ||
5948 | p = strchr(devname, '.'); | |
5949 | if (!p) | |
5950 | return -1; | |
5951 | bus_num = strtoul(devname, NULL, 0); | |
5952 | addr = strtoul(p + 1, NULL, 0); | |
5953 | ||
5954 | return usb_device_del_addr(bus_num, addr); | |
5955 | } | |
5956 | ||
5957 | void do_usb_add(const char *devname) | |
5958 | { | |
5959 | usb_device_add(devname); | |
5960 | } | |
5961 | ||
5962 | void do_usb_del(const char *devname) | |
5963 | { | |
5964 | usb_device_del(devname); | |
5965 | } | |
5966 | ||
5967 | void usb_info(void) | |
5968 | { | |
5969 | USBDevice *dev; | |
5970 | USBPort *port; | |
5971 | const char *speed_str; | |
5972 | ||
5973 | if (!usb_enabled) { | |
5974 | term_printf("USB support not enabled\n"); | |
5975 | return; | |
5976 | } | |
5977 | ||
5978 | for (port = used_usb_ports; port; port = port->next) { | |
5979 | dev = port->dev; | |
5980 | if (!dev) | |
5981 | continue; | |
5982 | switch(dev->speed) { | |
5983 | case USB_SPEED_LOW: | |
5984 | speed_str = "1.5"; | |
5985 | break; | |
5986 | case USB_SPEED_FULL: | |
5987 | speed_str = "12"; | |
5988 | break; | |
5989 | case USB_SPEED_HIGH: | |
5990 | speed_str = "480"; | |
5991 | break; | |
5992 | default: | |
5993 | speed_str = "?"; | |
5994 | break; | |
5995 | } | |
5996 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
5997 | 0, dev->addr, speed_str, dev->devname); | |
5998 | } | |
5999 | } | |
6000 | ||
6001 | /***********************************************************/ | |
6002 | /* PCMCIA/Cardbus */ | |
6003 | ||
6004 | static struct pcmcia_socket_entry_s { | |
6005 | struct pcmcia_socket_s *socket; | |
6006 | struct pcmcia_socket_entry_s *next; | |
6007 | } *pcmcia_sockets = 0; | |
6008 | ||
6009 | void pcmcia_socket_register(struct pcmcia_socket_s *socket) | |
6010 | { | |
6011 | struct pcmcia_socket_entry_s *entry; | |
6012 | ||
6013 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
6014 | entry->socket = socket; | |
6015 | entry->next = pcmcia_sockets; | |
6016 | pcmcia_sockets = entry; | |
6017 | } | |
6018 | ||
6019 | void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) | |
6020 | { | |
6021 | struct pcmcia_socket_entry_s *entry, **ptr; | |
6022 | ||
6023 | ptr = &pcmcia_sockets; | |
6024 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
6025 | if (entry->socket == socket) { | |
6026 | *ptr = entry->next; | |
6027 | qemu_free(entry); | |
6028 | } | |
6029 | } | |
6030 | ||
6031 | void pcmcia_info(void) | |
6032 | { | |
6033 | struct pcmcia_socket_entry_s *iter; | |
6034 | if (!pcmcia_sockets) | |
6035 | term_printf("No PCMCIA sockets\n"); | |
6036 | ||
6037 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
6038 | term_printf("%s: %s\n", iter->socket->slot_string, | |
6039 | iter->socket->attached ? iter->socket->card_string : | |
6040 | "Empty"); | |
6041 | } | |
6042 | ||
6043 | /***********************************************************/ | |
6044 | /* dumb display */ | |
6045 | ||
6046 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
6047 | { | |
6048 | } | |
6049 | ||
6050 | static void dumb_resize(DisplayState *ds, int w, int h) | |
6051 | { | |
6052 | } | |
6053 | ||
6054 | static void dumb_refresh(DisplayState *ds) | |
6055 | { | |
6056 | #if defined(CONFIG_SDL) | |
6057 | vga_hw_update(); | |
6058 | #endif | |
6059 | } | |
6060 | ||
6061 | static void dumb_display_init(DisplayState *ds) | |
6062 | { | |
6063 | ds->data = NULL; | |
6064 | ds->linesize = 0; | |
6065 | ds->depth = 0; | |
6066 | ds->dpy_update = dumb_update; | |
6067 | ds->dpy_resize = dumb_resize; | |
6068 | ds->dpy_refresh = dumb_refresh; | |
6069 | ds->gui_timer_interval = 500; | |
6070 | ds->idle = 1; | |
6071 | } | |
6072 | ||
6073 | /***********************************************************/ | |
6074 | /* I/O handling */ | |
6075 | ||
6076 | #define MAX_IO_HANDLERS 64 | |
6077 | ||
6078 | typedef struct IOHandlerRecord { | |
6079 | int fd; | |
6080 | IOCanRWHandler *fd_read_poll; | |
6081 | IOHandler *fd_read; | |
6082 | IOHandler *fd_write; | |
6083 | int deleted; | |
6084 | void *opaque; | |
6085 | /* temporary data */ | |
6086 | struct pollfd *ufd; | |
6087 | struct IOHandlerRecord *next; | |
6088 | } IOHandlerRecord; | |
6089 | ||
6090 | static IOHandlerRecord *first_io_handler; | |
6091 | ||
6092 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
6093 | necessary in the character devices to suppress fd_can_read(). */ | |
6094 | int qemu_set_fd_handler2(int fd, | |
6095 | IOCanRWHandler *fd_read_poll, | |
6096 | IOHandler *fd_read, | |
6097 | IOHandler *fd_write, | |
6098 | void *opaque) | |
6099 | { | |
6100 | IOHandlerRecord **pioh, *ioh; | |
6101 | ||
6102 | if (!fd_read && !fd_write) { | |
6103 | pioh = &first_io_handler; | |
6104 | for(;;) { | |
6105 | ioh = *pioh; | |
6106 | if (ioh == NULL) | |
6107 | break; | |
6108 | if (ioh->fd == fd) { | |
6109 | ioh->deleted = 1; | |
6110 | break; | |
6111 | } | |
6112 | pioh = &ioh->next; | |
6113 | } | |
6114 | } else { | |
6115 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6116 | if (ioh->fd == fd) | |
6117 | goto found; | |
6118 | } | |
6119 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
6120 | if (!ioh) | |
6121 | return -1; | |
6122 | ioh->next = first_io_handler; | |
6123 | first_io_handler = ioh; | |
6124 | found: | |
6125 | ioh->fd = fd; | |
6126 | ioh->fd_read_poll = fd_read_poll; | |
6127 | ioh->fd_read = fd_read; | |
6128 | ioh->fd_write = fd_write; | |
6129 | ioh->opaque = opaque; | |
6130 | ioh->deleted = 0; | |
6131 | } | |
6132 | return 0; | |
6133 | } | |
6134 | ||
6135 | int qemu_set_fd_handler(int fd, | |
6136 | IOHandler *fd_read, | |
6137 | IOHandler *fd_write, | |
6138 | void *opaque) | |
6139 | { | |
6140 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
6141 | } | |
6142 | ||
6143 | /***********************************************************/ | |
6144 | /* Polling handling */ | |
6145 | ||
6146 | typedef struct PollingEntry { | |
6147 | PollingFunc *func; | |
6148 | void *opaque; | |
6149 | struct PollingEntry *next; | |
6150 | } PollingEntry; | |
6151 | ||
6152 | static PollingEntry *first_polling_entry; | |
6153 | ||
6154 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
6155 | { | |
6156 | PollingEntry **ppe, *pe; | |
6157 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
6158 | if (!pe) | |
6159 | return -1; | |
6160 | pe->func = func; | |
6161 | pe->opaque = opaque; | |
6162 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
6163 | *ppe = pe; | |
6164 | return 0; | |
6165 | } | |
6166 | ||
6167 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
6168 | { | |
6169 | PollingEntry **ppe, *pe; | |
6170 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
6171 | pe = *ppe; | |
6172 | if (pe->func == func && pe->opaque == opaque) { | |
6173 | *ppe = pe->next; | |
6174 | qemu_free(pe); | |
6175 | break; | |
6176 | } | |
6177 | } | |
6178 | } | |
6179 | ||
6180 | #ifdef _WIN32 | |
6181 | /***********************************************************/ | |
6182 | /* Wait objects support */ | |
6183 | typedef struct WaitObjects { | |
6184 | int num; | |
6185 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
6186 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
6187 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
6188 | } WaitObjects; | |
6189 | ||
6190 | static WaitObjects wait_objects = {0}; | |
6191 | ||
6192 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
6193 | { | |
6194 | WaitObjects *w = &wait_objects; | |
6195 | ||
6196 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
6197 | return -1; | |
6198 | w->events[w->num] = handle; | |
6199 | w->func[w->num] = func; | |
6200 | w->opaque[w->num] = opaque; | |
6201 | w->num++; | |
6202 | return 0; | |
6203 | } | |
6204 | ||
6205 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
6206 | { | |
6207 | int i, found; | |
6208 | WaitObjects *w = &wait_objects; | |
6209 | ||
6210 | found = 0; | |
6211 | for (i = 0; i < w->num; i++) { | |
6212 | if (w->events[i] == handle) | |
6213 | found = 1; | |
6214 | if (found) { | |
6215 | w->events[i] = w->events[i + 1]; | |
6216 | w->func[i] = w->func[i + 1]; | |
6217 | w->opaque[i] = w->opaque[i + 1]; | |
6218 | } | |
6219 | } | |
6220 | if (found) | |
6221 | w->num--; | |
6222 | } | |
6223 | #endif | |
6224 | ||
6225 | #define SELF_ANNOUNCE_ROUNDS 5 | |
6226 | #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */ | |
6227 | //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */ | |
6228 | #define EXPERIMENTAL_MAGIC 0xf1f23f4f | |
6229 | ||
6230 | static int announce_self_create(uint8_t *buf, | |
6231 | uint8_t *mac_addr) | |
6232 | { | |
6233 | uint32_t magic = EXPERIMENTAL_MAGIC; | |
6234 | uint16_t proto = htons(ETH_P_EXPERIMENTAL); | |
6235 | ||
6236 | /* FIXME: should we send a different packet (arp/rarp/ping)? */ | |
6237 | ||
6238 | memset(buf, 0xff, 6); /* h_dst */ | |
6239 | memcpy(buf + 6, mac_addr, 6); /* h_src */ | |
6240 | memcpy(buf + 12, &proto, 2); /* h_proto */ | |
6241 | memcpy(buf + 14, &magic, 4); /* magic */ | |
6242 | ||
6243 | return 18; /* len */ | |
6244 | } | |
6245 | ||
6246 | void qemu_announce_self(void) | |
6247 | { | |
6248 | int i, j, len; | |
6249 | VLANState *vlan; | |
6250 | VLANClientState *vc; | |
6251 | uint8_t buf[256]; | |
6252 | ||
6253 | for (i = 0; i < nb_nics; i++) { | |
6254 | len = announce_self_create(buf, nd_table[i].macaddr); | |
6255 | vlan = nd_table[i].vlan; | |
6256 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
6257 | for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++) | |
6258 | vc->fd_read(vc->opaque, buf, len); | |
6259 | } | |
6260 | } | |
6261 | } | |
6262 | ||
6263 | /***********************************************************/ | |
6264 | /* savevm/loadvm support */ | |
6265 | ||
6266 | #define IO_BUF_SIZE 32768 | |
6267 | ||
6268 | struct QEMUFile { | |
6269 | QEMUFilePutBufferFunc *put_buffer; | |
6270 | QEMUFileGetBufferFunc *get_buffer; | |
6271 | QEMUFileCloseFunc *close; | |
6272 | QEMUFileRateLimit *rate_limit; | |
6273 | void *opaque; | |
6274 | int is_write; | |
6275 | ||
6276 | int64_t buf_offset; /* start of buffer when writing, end of buffer | |
6277 | when reading */ | |
6278 | int buf_index; | |
6279 | int buf_size; /* 0 when writing */ | |
6280 | uint8_t buf[IO_BUF_SIZE]; | |
6281 | ||
6282 | int has_error; | |
6283 | }; | |
6284 | ||
6285 | typedef struct QEMUFileSocket | |
6286 | { | |
6287 | int fd; | |
6288 | QEMUFile *file; | |
6289 | } QEMUFileSocket; | |
6290 | ||
6291 | static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
6292 | { | |
6293 | QEMUFileSocket *s = opaque; | |
6294 | ssize_t len; | |
6295 | ||
6296 | do { | |
6297 | len = recv(s->fd, buf, size, 0); | |
6298 | } while (len == -1 && socket_error() == EINTR); | |
6299 | ||
6300 | if (len == -1) | |
6301 | len = -socket_error(); | |
6302 | ||
6303 | return len; | |
6304 | } | |
6305 | ||
6306 | static int socket_close(void *opaque) | |
6307 | { | |
6308 | QEMUFileSocket *s = opaque; | |
6309 | qemu_free(s); | |
6310 | return 0; | |
6311 | } | |
6312 | ||
6313 | QEMUFile *qemu_fopen_socket(int fd) | |
6314 | { | |
6315 | QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket)); | |
6316 | ||
6317 | if (s == NULL) | |
6318 | return NULL; | |
6319 | ||
6320 | s->fd = fd; | |
6321 | s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL); | |
6322 | return s->file; | |
6323 | } | |
6324 | ||
6325 | typedef struct QEMUFileStdio | |
6326 | { | |
6327 | FILE *outfile; | |
6328 | } QEMUFileStdio; | |
6329 | ||
6330 | static int file_put_buffer(void *opaque, const uint8_t *buf, | |
6331 | int64_t pos, int size) | |
6332 | { | |
6333 | QEMUFileStdio *s = opaque; | |
6334 | fseek(s->outfile, pos, SEEK_SET); | |
6335 | fwrite(buf, 1, size, s->outfile); | |
6336 | return size; | |
6337 | } | |
6338 | ||
6339 | static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
6340 | { | |
6341 | QEMUFileStdio *s = opaque; | |
6342 | fseek(s->outfile, pos, SEEK_SET); | |
6343 | return fread(buf, 1, size, s->outfile); | |
6344 | } | |
6345 | ||
6346 | static int file_close(void *opaque) | |
6347 | { | |
6348 | QEMUFileStdio *s = opaque; | |
6349 | fclose(s->outfile); | |
6350 | qemu_free(s); | |
6351 | return 0; | |
6352 | } | |
6353 | ||
6354 | QEMUFile *qemu_fopen(const char *filename, const char *mode) | |
6355 | { | |
6356 | QEMUFileStdio *s; | |
6357 | ||
6358 | s = qemu_mallocz(sizeof(QEMUFileStdio)); | |
6359 | if (!s) | |
6360 | return NULL; | |
6361 | ||
6362 | s->outfile = fopen(filename, mode); | |
6363 | if (!s->outfile) | |
6364 | goto fail; | |
6365 | ||
6366 | if (!strcmp(mode, "wb")) | |
6367 | return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL); | |
6368 | else if (!strcmp(mode, "rb")) | |
6369 | return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL); | |
6370 | ||
6371 | fail: | |
6372 | if (s->outfile) | |
6373 | fclose(s->outfile); | |
6374 | qemu_free(s); | |
6375 | return NULL; | |
6376 | } | |
6377 | ||
6378 | typedef struct QEMUFileBdrv | |
6379 | { | |
6380 | BlockDriverState *bs; | |
6381 | int64_t base_offset; | |
6382 | } QEMUFileBdrv; | |
6383 | ||
6384 | static int bdrv_put_buffer(void *opaque, const uint8_t *buf, | |
6385 | int64_t pos, int size) | |
6386 | { | |
6387 | QEMUFileBdrv *s = opaque; | |
6388 | bdrv_pwrite(s->bs, s->base_offset + pos, buf, size); | |
6389 | return size; | |
6390 | } | |
6391 | ||
6392 | static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
6393 | { | |
6394 | QEMUFileBdrv *s = opaque; | |
6395 | return bdrv_pread(s->bs, s->base_offset + pos, buf, size); | |
6396 | } | |
6397 | ||
6398 | static int bdrv_fclose(void *opaque) | |
6399 | { | |
6400 | QEMUFileBdrv *s = opaque; | |
6401 | qemu_free(s); | |
6402 | return 0; | |
6403 | } | |
6404 | ||
6405 | static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) | |
6406 | { | |
6407 | QEMUFileBdrv *s; | |
6408 | ||
6409 | s = qemu_mallocz(sizeof(QEMUFileBdrv)); | |
6410 | if (!s) | |
6411 | return NULL; | |
6412 | ||
6413 | s->bs = bs; | |
6414 | s->base_offset = offset; | |
6415 | ||
6416 | if (is_writable) | |
6417 | return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL); | |
6418 | ||
6419 | return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL); | |
6420 | } | |
6421 | ||
6422 | QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer, | |
6423 | QEMUFileGetBufferFunc *get_buffer, | |
6424 | QEMUFileCloseFunc *close, | |
6425 | QEMUFileRateLimit *rate_limit) | |
6426 | { | |
6427 | QEMUFile *f; | |
6428 | ||
6429 | f = qemu_mallocz(sizeof(QEMUFile)); | |
6430 | if (!f) | |
6431 | return NULL; | |
6432 | ||
6433 | f->opaque = opaque; | |
6434 | f->put_buffer = put_buffer; | |
6435 | f->get_buffer = get_buffer; | |
6436 | f->close = close; | |
6437 | f->rate_limit = rate_limit; | |
6438 | f->is_write = 0; | |
6439 | ||
6440 | return f; | |
6441 | } | |
6442 | ||
6443 | int qemu_file_has_error(QEMUFile *f) | |
6444 | { | |
6445 | return f->has_error; | |
6446 | } | |
6447 | ||
6448 | void qemu_fflush(QEMUFile *f) | |
6449 | { | |
6450 | if (!f->put_buffer) | |
6451 | return; | |
6452 | ||
6453 | if (f->is_write && f->buf_index > 0) { | |
6454 | int len; | |
6455 | ||
6456 | len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index); | |
6457 | if (len > 0) | |
6458 | f->buf_offset += f->buf_index; | |
6459 | else | |
6460 | f->has_error = 1; | |
6461 | f->buf_index = 0; | |
6462 | } | |
6463 | } | |
6464 | ||
6465 | static void qemu_fill_buffer(QEMUFile *f) | |
6466 | { | |
6467 | int len; | |
6468 | ||
6469 | if (!f->get_buffer) | |
6470 | return; | |
6471 | ||
6472 | if (f->is_write) | |
6473 | abort(); | |
6474 | ||
6475 | len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE); | |
6476 | if (len > 0) { | |
6477 | f->buf_index = 0; | |
6478 | f->buf_size = len; | |
6479 | f->buf_offset += len; | |
6480 | } else if (len != -EAGAIN) | |
6481 | f->has_error = 1; | |
6482 | } | |
6483 | ||
6484 | int qemu_fclose(QEMUFile *f) | |
6485 | { | |
6486 | int ret = 0; | |
6487 | qemu_fflush(f); | |
6488 | if (f->close) | |
6489 | ret = f->close(f->opaque); | |
6490 | qemu_free(f); | |
6491 | return ret; | |
6492 | } | |
6493 | ||
6494 | void qemu_file_put_notify(QEMUFile *f) | |
6495 | { | |
6496 | f->put_buffer(f->opaque, NULL, 0, 0); | |
6497 | } | |
6498 | ||
6499 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
6500 | { | |
6501 | int l; | |
6502 | ||
6503 | if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { | |
6504 | fprintf(stderr, | |
6505 | "Attempted to write to buffer while read buffer is not empty\n"); | |
6506 | abort(); | |
6507 | } | |
6508 | ||
6509 | while (!f->has_error && size > 0) { | |
6510 | l = IO_BUF_SIZE - f->buf_index; | |
6511 | if (l > size) | |
6512 | l = size; | |
6513 | memcpy(f->buf + f->buf_index, buf, l); | |
6514 | f->is_write = 1; | |
6515 | f->buf_index += l; | |
6516 | buf += l; | |
6517 | size -= l; | |
6518 | if (f->buf_index >= IO_BUF_SIZE) | |
6519 | qemu_fflush(f); | |
6520 | } | |
6521 | } | |
6522 | ||
6523 | void qemu_put_byte(QEMUFile *f, int v) | |
6524 | { | |
6525 | if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { | |
6526 | fprintf(stderr, | |
6527 | "Attempted to write to buffer while read buffer is not empty\n"); | |
6528 | abort(); | |
6529 | } | |
6530 | ||
6531 | f->buf[f->buf_index++] = v; | |
6532 | f->is_write = 1; | |
6533 | if (f->buf_index >= IO_BUF_SIZE) | |
6534 | qemu_fflush(f); | |
6535 | } | |
6536 | ||
6537 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) | |
6538 | { | |
6539 | int size, l; | |
6540 | ||
6541 | if (f->is_write) | |
6542 | abort(); | |
6543 | ||
6544 | size = size1; | |
6545 | while (size > 0) { | |
6546 | l = f->buf_size - f->buf_index; | |
6547 | if (l == 0) { | |
6548 | qemu_fill_buffer(f); | |
6549 | l = f->buf_size - f->buf_index; | |
6550 | if (l == 0) | |
6551 | break; | |
6552 | } | |
6553 | if (l > size) | |
6554 | l = size; | |
6555 | memcpy(buf, f->buf + f->buf_index, l); | |
6556 | f->buf_index += l; | |
6557 | buf += l; | |
6558 | size -= l; | |
6559 | } | |
6560 | return size1 - size; | |
6561 | } | |
6562 | ||
6563 | int qemu_get_byte(QEMUFile *f) | |
6564 | { | |
6565 | if (f->is_write) | |
6566 | abort(); | |
6567 | ||
6568 | if (f->buf_index >= f->buf_size) { | |
6569 | qemu_fill_buffer(f); | |
6570 | if (f->buf_index >= f->buf_size) | |
6571 | return 0; | |
6572 | } | |
6573 | return f->buf[f->buf_index++]; | |
6574 | } | |
6575 | ||
6576 | int64_t qemu_ftell(QEMUFile *f) | |
6577 | { | |
6578 | return f->buf_offset - f->buf_size + f->buf_index; | |
6579 | } | |
6580 | ||
6581 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
6582 | { | |
6583 | if (whence == SEEK_SET) { | |
6584 | /* nothing to do */ | |
6585 | } else if (whence == SEEK_CUR) { | |
6586 | pos += qemu_ftell(f); | |
6587 | } else { | |
6588 | /* SEEK_END not supported */ | |
6589 | return -1; | |
6590 | } | |
6591 | if (f->put_buffer) { | |
6592 | qemu_fflush(f); | |
6593 | f->buf_offset = pos; | |
6594 | } else { | |
6595 | f->buf_offset = pos; | |
6596 | f->buf_index = 0; | |
6597 | f->buf_size = 0; | |
6598 | } | |
6599 | return pos; | |
6600 | } | |
6601 | ||
6602 | int qemu_file_rate_limit(QEMUFile *f) | |
6603 | { | |
6604 | if (f->rate_limit) | |
6605 | return f->rate_limit(f->opaque); | |
6606 | ||
6607 | return 0; | |
6608 | } | |
6609 | ||
6610 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
6611 | { | |
6612 | qemu_put_byte(f, v >> 8); | |
6613 | qemu_put_byte(f, v); | |
6614 | } | |
6615 | ||
6616 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
6617 | { | |
6618 | qemu_put_byte(f, v >> 24); | |
6619 | qemu_put_byte(f, v >> 16); | |
6620 | qemu_put_byte(f, v >> 8); | |
6621 | qemu_put_byte(f, v); | |
6622 | } | |
6623 | ||
6624 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
6625 | { | |
6626 | qemu_put_be32(f, v >> 32); | |
6627 | qemu_put_be32(f, v); | |
6628 | } | |
6629 | ||
6630 | unsigned int qemu_get_be16(QEMUFile *f) | |
6631 | { | |
6632 | unsigned int v; | |
6633 | v = qemu_get_byte(f) << 8; | |
6634 | v |= qemu_get_byte(f); | |
6635 | return v; | |
6636 | } | |
6637 | ||
6638 | unsigned int qemu_get_be32(QEMUFile *f) | |
6639 | { | |
6640 | unsigned int v; | |
6641 | v = qemu_get_byte(f) << 24; | |
6642 | v |= qemu_get_byte(f) << 16; | |
6643 | v |= qemu_get_byte(f) << 8; | |
6644 | v |= qemu_get_byte(f); | |
6645 | return v; | |
6646 | } | |
6647 | ||
6648 | uint64_t qemu_get_be64(QEMUFile *f) | |
6649 | { | |
6650 | uint64_t v; | |
6651 | v = (uint64_t)qemu_get_be32(f) << 32; | |
6652 | v |= qemu_get_be32(f); | |
6653 | return v; | |
6654 | } | |
6655 | ||
6656 | typedef struct SaveStateEntry { | |
6657 | char idstr[256]; | |
6658 | int instance_id; | |
6659 | int version_id; | |
6660 | int section_id; | |
6661 | SaveLiveStateHandler *save_live_state; | |
6662 | SaveStateHandler *save_state; | |
6663 | LoadStateHandler *load_state; | |
6664 | void *opaque; | |
6665 | struct SaveStateEntry *next; | |
6666 | } SaveStateEntry; | |
6667 | ||
6668 | static SaveStateEntry *first_se; | |
6669 | ||
6670 | /* TODO: Individual devices generally have very little idea about the rest | |
6671 | of the system, so instance_id should be removed/replaced. | |
6672 | Meanwhile pass -1 as instance_id if you do not already have a clearly | |
6673 | distinguishing id for all instances of your device class. */ | |
6674 | int register_savevm_live(const char *idstr, | |
6675 | int instance_id, | |
6676 | int version_id, | |
6677 | SaveLiveStateHandler *save_live_state, | |
6678 | SaveStateHandler *save_state, | |
6679 | LoadStateHandler *load_state, | |
6680 | void *opaque) | |
6681 | { | |
6682 | SaveStateEntry *se, **pse; | |
6683 | static int global_section_id; | |
6684 | ||
6685 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
6686 | if (!se) | |
6687 | return -1; | |
6688 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
6689 | se->instance_id = (instance_id == -1) ? 0 : instance_id; | |
6690 | se->version_id = version_id; | |
6691 | se->section_id = global_section_id++; | |
6692 | se->save_live_state = save_live_state; | |
6693 | se->save_state = save_state; | |
6694 | se->load_state = load_state; | |
6695 | se->opaque = opaque; | |
6696 | se->next = NULL; | |
6697 | ||
6698 | /* add at the end of list */ | |
6699 | pse = &first_se; | |
6700 | while (*pse != NULL) { | |
6701 | if (instance_id == -1 | |
6702 | && strcmp(se->idstr, (*pse)->idstr) == 0 | |
6703 | && se->instance_id <= (*pse)->instance_id) | |
6704 | se->instance_id = (*pse)->instance_id + 1; | |
6705 | pse = &(*pse)->next; | |
6706 | } | |
6707 | *pse = se; | |
6708 | return 0; | |
6709 | } | |
6710 | ||
6711 | int register_savevm(const char *idstr, | |
6712 | int instance_id, | |
6713 | int version_id, | |
6714 | SaveStateHandler *save_state, | |
6715 | LoadStateHandler *load_state, | |
6716 | void *opaque) | |
6717 | { | |
6718 | return register_savevm_live(idstr, instance_id, version_id, | |
6719 | NULL, save_state, load_state, opaque); | |
6720 | } | |
6721 | ||
6722 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
6723 | #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002 | |
6724 | #define QEMU_VM_FILE_VERSION 0x00000003 | |
6725 | ||
6726 | #define QEMU_VM_EOF 0x00 | |
6727 | #define QEMU_VM_SECTION_START 0x01 | |
6728 | #define QEMU_VM_SECTION_PART 0x02 | |
6729 | #define QEMU_VM_SECTION_END 0x03 | |
6730 | #define QEMU_VM_SECTION_FULL 0x04 | |
6731 | ||
6732 | int qemu_savevm_state_begin(QEMUFile *f) | |
6733 | { | |
6734 | SaveStateEntry *se; | |
6735 | ||
6736 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
6737 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
6738 | ||
6739 | for (se = first_se; se != NULL; se = se->next) { | |
6740 | int len; | |
6741 | ||
6742 | if (se->save_live_state == NULL) | |
6743 | continue; | |
6744 | ||
6745 | /* Section type */ | |
6746 | qemu_put_byte(f, QEMU_VM_SECTION_START); | |
6747 | qemu_put_be32(f, se->section_id); | |
6748 | ||
6749 | /* ID string */ | |
6750 | len = strlen(se->idstr); | |
6751 | qemu_put_byte(f, len); | |
6752 | qemu_put_buffer(f, (uint8_t *)se->idstr, len); | |
6753 | ||
6754 | qemu_put_be32(f, se->instance_id); | |
6755 | qemu_put_be32(f, se->version_id); | |
6756 | ||
6757 | se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque); | |
6758 | } | |
6759 | ||
6760 | if (qemu_file_has_error(f)) | |
6761 | return -EIO; | |
6762 | ||
6763 | return 0; | |
6764 | } | |
6765 | ||
6766 | int qemu_savevm_state_iterate(QEMUFile *f) | |
6767 | { | |
6768 | SaveStateEntry *se; | |
6769 | int ret = 1; | |
6770 | ||
6771 | for (se = first_se; se != NULL; se = se->next) { | |
6772 | if (se->save_live_state == NULL) | |
6773 | continue; | |
6774 | ||
6775 | /* Section type */ | |
6776 | qemu_put_byte(f, QEMU_VM_SECTION_PART); | |
6777 | qemu_put_be32(f, se->section_id); | |
6778 | ||
6779 | ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque); | |
6780 | } | |
6781 | ||
6782 | if (ret) | |
6783 | return 1; | |
6784 | ||
6785 | if (qemu_file_has_error(f)) | |
6786 | return -EIO; | |
6787 | ||
6788 | return 0; | |
6789 | } | |
6790 | ||
6791 | int qemu_savevm_state_complete(QEMUFile *f) | |
6792 | { | |
6793 | SaveStateEntry *se; | |
6794 | ||
6795 | for (se = first_se; se != NULL; se = se->next) { | |
6796 | if (se->save_live_state == NULL) | |
6797 | continue; | |
6798 | ||
6799 | /* Section type */ | |
6800 | qemu_put_byte(f, QEMU_VM_SECTION_END); | |
6801 | qemu_put_be32(f, se->section_id); | |
6802 | ||
6803 | se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque); | |
6804 | } | |
6805 | ||
6806 | for(se = first_se; se != NULL; se = se->next) { | |
6807 | int len; | |
6808 | ||
6809 | if (se->save_state == NULL) | |
6810 | continue; | |
6811 | ||
6812 | /* Section type */ | |
6813 | qemu_put_byte(f, QEMU_VM_SECTION_FULL); | |
6814 | qemu_put_be32(f, se->section_id); | |
6815 | ||
6816 | /* ID string */ | |
6817 | len = strlen(se->idstr); | |
6818 | qemu_put_byte(f, len); | |
6819 | qemu_put_buffer(f, (uint8_t *)se->idstr, len); | |
6820 | ||
6821 | qemu_put_be32(f, se->instance_id); | |
6822 | qemu_put_be32(f, se->version_id); | |
6823 | ||
6824 | se->save_state(f, se->opaque); | |
6825 | } | |
6826 | ||
6827 | qemu_put_byte(f, QEMU_VM_EOF); | |
6828 | ||
6829 | if (qemu_file_has_error(f)) | |
6830 | return -EIO; | |
6831 | ||
6832 | return 0; | |
6833 | } | |
6834 | ||
6835 | int qemu_savevm_state(QEMUFile *f) | |
6836 | { | |
6837 | int saved_vm_running; | |
6838 | int ret; | |
6839 | ||
6840 | saved_vm_running = vm_running; | |
6841 | vm_stop(0); | |
6842 | ||
6843 | bdrv_flush_all(); | |
6844 | ||
6845 | ret = qemu_savevm_state_begin(f); | |
6846 | if (ret < 0) | |
6847 | goto out; | |
6848 | ||
6849 | do { | |
6850 | ret = qemu_savevm_state_iterate(f); | |
6851 | if (ret < 0) | |
6852 | goto out; | |
6853 | } while (ret == 0); | |
6854 | ||
6855 | ret = qemu_savevm_state_complete(f); | |
6856 | ||
6857 | out: | |
6858 | if (qemu_file_has_error(f)) | |
6859 | ret = -EIO; | |
6860 | ||
6861 | if (!ret && saved_vm_running) | |
6862 | vm_start(); | |
6863 | ||
6864 | return ret; | |
6865 | } | |
6866 | ||
6867 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
6868 | { | |
6869 | SaveStateEntry *se; | |
6870 | ||
6871 | for(se = first_se; se != NULL; se = se->next) { | |
6872 | if (!strcmp(se->idstr, idstr) && | |
6873 | instance_id == se->instance_id) | |
6874 | return se; | |
6875 | } | |
6876 | return NULL; | |
6877 | } | |
6878 | ||
6879 | typedef struct LoadStateEntry { | |
6880 | SaveStateEntry *se; | |
6881 | int section_id; | |
6882 | int version_id; | |
6883 | struct LoadStateEntry *next; | |
6884 | } LoadStateEntry; | |
6885 | ||
6886 | static int qemu_loadvm_state_v2(QEMUFile *f) | |
6887 | { | |
6888 | SaveStateEntry *se; | |
6889 | int len, ret, instance_id, record_len, version_id; | |
6890 | int64_t total_len, end_pos, cur_pos; | |
6891 | char idstr[256]; | |
6892 | ||
6893 | total_len = qemu_get_be64(f); | |
6894 | end_pos = total_len + qemu_ftell(f); | |
6895 | for(;;) { | |
6896 | if (qemu_ftell(f) >= end_pos) | |
6897 | break; | |
6898 | len = qemu_get_byte(f); | |
6899 | qemu_get_buffer(f, (uint8_t *)idstr, len); | |
6900 | idstr[len] = '\0'; | |
6901 | instance_id = qemu_get_be32(f); | |
6902 | version_id = qemu_get_be32(f); | |
6903 | record_len = qemu_get_be32(f); | |
6904 | cur_pos = qemu_ftell(f); | |
6905 | se = find_se(idstr, instance_id); | |
6906 | if (!se) { | |
6907 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
6908 | instance_id, idstr); | |
6909 | } else { | |
6910 | ret = se->load_state(f, se->opaque, version_id); | |
6911 | if (ret < 0) { | |
6912 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
6913 | instance_id, idstr); | |
6914 | } | |
6915 | } | |
6916 | /* always seek to exact end of record */ | |
6917 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
6918 | } | |
6919 | ||
6920 | if (qemu_file_has_error(f)) | |
6921 | return -EIO; | |
6922 | ||
6923 | return 0; | |
6924 | } | |
6925 | ||
6926 | int qemu_loadvm_state(QEMUFile *f) | |
6927 | { | |
6928 | LoadStateEntry *first_le = NULL; | |
6929 | uint8_t section_type; | |
6930 | unsigned int v; | |
6931 | int ret; | |
6932 | ||
6933 | v = qemu_get_be32(f); | |
6934 | if (v != QEMU_VM_FILE_MAGIC) | |
6935 | return -EINVAL; | |
6936 | ||
6937 | v = qemu_get_be32(f); | |
6938 | if (v == QEMU_VM_FILE_VERSION_COMPAT) | |
6939 | return qemu_loadvm_state_v2(f); | |
6940 | if (v != QEMU_VM_FILE_VERSION) | |
6941 | return -ENOTSUP; | |
6942 | ||
6943 | while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) { | |
6944 | uint32_t instance_id, version_id, section_id; | |
6945 | LoadStateEntry *le; | |
6946 | SaveStateEntry *se; | |
6947 | char idstr[257]; | |
6948 | int len; | |
6949 | ||
6950 | switch (section_type) { | |
6951 | case QEMU_VM_SECTION_START: | |
6952 | case QEMU_VM_SECTION_FULL: | |
6953 | /* Read section start */ | |
6954 | section_id = qemu_get_be32(f); | |
6955 | len = qemu_get_byte(f); | |
6956 | qemu_get_buffer(f, (uint8_t *)idstr, len); | |
6957 | idstr[len] = 0; | |
6958 | instance_id = qemu_get_be32(f); | |
6959 | version_id = qemu_get_be32(f); | |
6960 | ||
6961 | /* Find savevm section */ | |
6962 | se = find_se(idstr, instance_id); | |
6963 | if (se == NULL) { | |
6964 | fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id); | |
6965 | ret = -EINVAL; | |
6966 | goto out; | |
6967 | } | |
6968 | ||
6969 | /* Validate version */ | |
6970 | if (version_id > se->version_id) { | |
6971 | fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n", | |
6972 | version_id, idstr, se->version_id); | |
6973 | ret = -EINVAL; | |
6974 | goto out; | |
6975 | } | |
6976 | ||
6977 | /* Add entry */ | |
6978 | le = qemu_mallocz(sizeof(*le)); | |
6979 | if (le == NULL) { | |
6980 | ret = -ENOMEM; | |
6981 | goto out; | |
6982 | } | |
6983 | ||
6984 | le->se = se; | |
6985 | le->section_id = section_id; | |
6986 | le->version_id = version_id; | |
6987 | le->next = first_le; | |
6988 | first_le = le; | |
6989 | ||
6990 | le->se->load_state(f, le->se->opaque, le->version_id); | |
6991 | break; | |
6992 | case QEMU_VM_SECTION_PART: | |
6993 | case QEMU_VM_SECTION_END: | |
6994 | section_id = qemu_get_be32(f); | |
6995 | ||
6996 | for (le = first_le; le && le->section_id != section_id; le = le->next); | |
6997 | if (le == NULL) { | |
6998 | fprintf(stderr, "Unknown savevm section %d\n", section_id); | |
6999 | ret = -EINVAL; | |
7000 | goto out; | |
7001 | } | |
7002 | ||
7003 | le->se->load_state(f, le->se->opaque, le->version_id); | |
7004 | break; | |
7005 | default: | |
7006 | fprintf(stderr, "Unknown savevm section type %d\n", section_type); | |
7007 | ret = -EINVAL; | |
7008 | goto out; | |
7009 | } | |
7010 | } | |
7011 | ||
7012 | ret = 0; | |
7013 | ||
7014 | out: | |
7015 | while (first_le) { | |
7016 | LoadStateEntry *le = first_le; | |
7017 | first_le = first_le->next; | |
7018 | qemu_free(le); | |
7019 | } | |
7020 | ||
7021 | if (qemu_file_has_error(f)) | |
7022 | ret = -EIO; | |
7023 | ||
7024 | return ret; | |
7025 | } | |
7026 | ||
7027 | /* device can contain snapshots */ | |
7028 | static int bdrv_can_snapshot(BlockDriverState *bs) | |
7029 | { | |
7030 | return (bs && | |
7031 | !bdrv_is_removable(bs) && | |
7032 | !bdrv_is_read_only(bs)); | |
7033 | } | |
7034 | ||
7035 | /* device must be snapshots in order to have a reliable snapshot */ | |
7036 | static int bdrv_has_snapshot(BlockDriverState *bs) | |
7037 | { | |
7038 | return (bs && | |
7039 | !bdrv_is_removable(bs) && | |
7040 | !bdrv_is_read_only(bs)); | |
7041 | } | |
7042 | ||
7043 | static BlockDriverState *get_bs_snapshots(void) | |
7044 | { | |
7045 | BlockDriverState *bs; | |
7046 | int i; | |
7047 | ||
7048 | if (bs_snapshots) | |
7049 | return bs_snapshots; | |
7050 | for(i = 0; i <= nb_drives; i++) { | |
7051 | bs = drives_table[i].bdrv; | |
7052 | if (bdrv_can_snapshot(bs)) | |
7053 | goto ok; | |
7054 | } | |
7055 | return NULL; | |
7056 | ok: | |
7057 | bs_snapshots = bs; | |
7058 | return bs; | |
7059 | } | |
7060 | ||
7061 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
7062 | const char *name) | |
7063 | { | |
7064 | QEMUSnapshotInfo *sn_tab, *sn; | |
7065 | int nb_sns, i, ret; | |
7066 | ||
7067 | ret = -ENOENT; | |
7068 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
7069 | if (nb_sns < 0) | |
7070 | return ret; | |
7071 | for(i = 0; i < nb_sns; i++) { | |
7072 | sn = &sn_tab[i]; | |
7073 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { | |
7074 | *sn_info = *sn; | |
7075 | ret = 0; | |
7076 | break; | |
7077 | } | |
7078 | } | |
7079 | qemu_free(sn_tab); | |
7080 | return ret; | |
7081 | } | |
7082 | ||
7083 | void do_savevm(const char *name) | |
7084 | { | |
7085 | BlockDriverState *bs, *bs1; | |
7086 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; | |
7087 | int must_delete, ret, i; | |
7088 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
7089 | QEMUFile *f; | |
7090 | int saved_vm_running; | |
7091 | #ifdef _WIN32 | |
7092 | struct _timeb tb; | |
7093 | #else | |
7094 | struct timeval tv; | |
7095 | #endif | |
7096 | ||
7097 | bs = get_bs_snapshots(); | |
7098 | if (!bs) { | |
7099 | term_printf("No block device can accept snapshots\n"); | |
7100 | return; | |
7101 | } | |
7102 | ||
7103 | /* ??? Should this occur after vm_stop? */ | |
7104 | qemu_aio_flush(); | |
7105 | ||
7106 | saved_vm_running = vm_running; | |
7107 | vm_stop(0); | |
7108 | ||
7109 | must_delete = 0; | |
7110 | if (name) { | |
7111 | ret = bdrv_snapshot_find(bs, old_sn, name); | |
7112 | if (ret >= 0) { | |
7113 | must_delete = 1; | |
7114 | } | |
7115 | } | |
7116 | memset(sn, 0, sizeof(*sn)); | |
7117 | if (must_delete) { | |
7118 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); | |
7119 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); | |
7120 | } else { | |
7121 | if (name) | |
7122 | pstrcpy(sn->name, sizeof(sn->name), name); | |
7123 | } | |
7124 | ||
7125 | /* fill auxiliary fields */ | |
7126 | #ifdef _WIN32 | |
7127 | _ftime(&tb); | |
7128 | sn->date_sec = tb.time; | |
7129 | sn->date_nsec = tb.millitm * 1000000; | |
7130 | #else | |
7131 | gettimeofday(&tv, NULL); | |
7132 | sn->date_sec = tv.tv_sec; | |
7133 | sn->date_nsec = tv.tv_usec * 1000; | |
7134 | #endif | |
7135 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); | |
7136 | ||
7137 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
7138 | term_printf("Device %s does not support VM state snapshots\n", | |
7139 | bdrv_get_device_name(bs)); | |
7140 | goto the_end; | |
7141 | } | |
7142 | ||
7143 | /* save the VM state */ | |
7144 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); | |
7145 | if (!f) { | |
7146 | term_printf("Could not open VM state file\n"); | |
7147 | goto the_end; | |
7148 | } | |
7149 | ret = qemu_savevm_state(f); | |
7150 | sn->vm_state_size = qemu_ftell(f); | |
7151 | qemu_fclose(f); | |
7152 | if (ret < 0) { | |
7153 | term_printf("Error %d while writing VM\n", ret); | |
7154 | goto the_end; | |
7155 | } | |
7156 | ||
7157 | /* create the snapshots */ | |
7158 | ||
7159 | for(i = 0; i < nb_drives; i++) { | |
7160 | bs1 = drives_table[i].bdrv; | |
7161 | if (bdrv_has_snapshot(bs1)) { | |
7162 | if (must_delete) { | |
7163 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); | |
7164 | if (ret < 0) { | |
7165 | term_printf("Error while deleting snapshot on '%s'\n", | |
7166 | bdrv_get_device_name(bs1)); | |
7167 | } | |
7168 | } | |
7169 | ret = bdrv_snapshot_create(bs1, sn); | |
7170 | if (ret < 0) { | |
7171 | term_printf("Error while creating snapshot on '%s'\n", | |
7172 | bdrv_get_device_name(bs1)); | |
7173 | } | |
7174 | } | |
7175 | } | |
7176 | ||
7177 | the_end: | |
7178 | if (saved_vm_running) | |
7179 | vm_start(); | |
7180 | } | |
7181 | ||
7182 | void do_loadvm(const char *name) | |
7183 | { | |
7184 | BlockDriverState *bs, *bs1; | |
7185 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
7186 | QEMUFile *f; | |
7187 | int i, ret; | |
7188 | int saved_vm_running; | |
7189 | ||
7190 | bs = get_bs_snapshots(); | |
7191 | if (!bs) { | |
7192 | term_printf("No block device supports snapshots\n"); | |
7193 | return; | |
7194 | } | |
7195 | ||
7196 | /* Flush all IO requests so they don't interfere with the new state. */ | |
7197 | qemu_aio_flush(); | |
7198 | ||
7199 | saved_vm_running = vm_running; | |
7200 | vm_stop(0); | |
7201 | ||
7202 | for(i = 0; i <= nb_drives; i++) { | |
7203 | bs1 = drives_table[i].bdrv; | |
7204 | if (bdrv_has_snapshot(bs1)) { | |
7205 | ret = bdrv_snapshot_goto(bs1, name); | |
7206 | if (ret < 0) { | |
7207 | if (bs != bs1) | |
7208 | term_printf("Warning: "); | |
7209 | switch(ret) { | |
7210 | case -ENOTSUP: | |
7211 | term_printf("Snapshots not supported on device '%s'\n", | |
7212 | bdrv_get_device_name(bs1)); | |
7213 | break; | |
7214 | case -ENOENT: | |
7215 | term_printf("Could not find snapshot '%s' on device '%s'\n", | |
7216 | name, bdrv_get_device_name(bs1)); | |
7217 | break; | |
7218 | default: | |
7219 | term_printf("Error %d while activating snapshot on '%s'\n", | |
7220 | ret, bdrv_get_device_name(bs1)); | |
7221 | break; | |
7222 | } | |
7223 | /* fatal on snapshot block device */ | |
7224 | if (bs == bs1) | |
7225 | goto the_end; | |
7226 | } | |
7227 | } | |
7228 | } | |
7229 | ||
7230 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
7231 | term_printf("Device %s does not support VM state snapshots\n", | |
7232 | bdrv_get_device_name(bs)); | |
7233 | return; | |
7234 | } | |
7235 | ||
7236 | /* restore the VM state */ | |
7237 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); | |
7238 | if (!f) { | |
7239 | term_printf("Could not open VM state file\n"); | |
7240 | goto the_end; | |
7241 | } | |
7242 | ret = qemu_loadvm_state(f); | |
7243 | qemu_fclose(f); | |
7244 | if (ret < 0) { | |
7245 | term_printf("Error %d while loading VM state\n", ret); | |
7246 | } | |
7247 | the_end: | |
7248 | if (saved_vm_running) | |
7249 | vm_start(); | |
7250 | } | |
7251 | ||
7252 | void do_delvm(const char *name) | |
7253 | { | |
7254 | BlockDriverState *bs, *bs1; | |
7255 | int i, ret; | |
7256 | ||
7257 | bs = get_bs_snapshots(); | |
7258 | if (!bs) { | |
7259 | term_printf("No block device supports snapshots\n"); | |
7260 | return; | |
7261 | } | |
7262 | ||
7263 | for(i = 0; i <= nb_drives; i++) { | |
7264 | bs1 = drives_table[i].bdrv; | |
7265 | if (bdrv_has_snapshot(bs1)) { | |
7266 | ret = bdrv_snapshot_delete(bs1, name); | |
7267 | if (ret < 0) { | |
7268 | if (ret == -ENOTSUP) | |
7269 | term_printf("Snapshots not supported on device '%s'\n", | |
7270 | bdrv_get_device_name(bs1)); | |
7271 | else | |
7272 | term_printf("Error %d while deleting snapshot on '%s'\n", | |
7273 | ret, bdrv_get_device_name(bs1)); | |
7274 | } | |
7275 | } | |
7276 | } | |
7277 | } | |
7278 | ||
7279 | void do_info_snapshots(void) | |
7280 | { | |
7281 | BlockDriverState *bs, *bs1; | |
7282 | QEMUSnapshotInfo *sn_tab, *sn; | |
7283 | int nb_sns, i; | |
7284 | char buf[256]; | |
7285 | ||
7286 | bs = get_bs_snapshots(); | |
7287 | if (!bs) { | |
7288 | term_printf("No available block device supports snapshots\n"); | |
7289 | return; | |
7290 | } | |
7291 | term_printf("Snapshot devices:"); | |
7292 | for(i = 0; i <= nb_drives; i++) { | |
7293 | bs1 = drives_table[i].bdrv; | |
7294 | if (bdrv_has_snapshot(bs1)) { | |
7295 | if (bs == bs1) | |
7296 | term_printf(" %s", bdrv_get_device_name(bs1)); | |
7297 | } | |
7298 | } | |
7299 | term_printf("\n"); | |
7300 | ||
7301 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
7302 | if (nb_sns < 0) { | |
7303 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); | |
7304 | return; | |
7305 | } | |
7306 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); | |
7307 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
7308 | for(i = 0; i < nb_sns; i++) { | |
7309 | sn = &sn_tab[i]; | |
7310 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
7311 | } | |
7312 | qemu_free(sn_tab); | |
7313 | } | |
7314 | ||
7315 | /***********************************************************/ | |
7316 | /* ram save/restore */ | |
7317 | ||
7318 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
7319 | { | |
7320 | int v; | |
7321 | ||
7322 | v = qemu_get_byte(f); | |
7323 | switch(v) { | |
7324 | case 0: | |
7325 | if (qemu_get_buffer(f, buf, len) != len) | |
7326 | return -EIO; | |
7327 | break; | |
7328 | case 1: | |
7329 | v = qemu_get_byte(f); | |
7330 | memset(buf, v, len); | |
7331 | break; | |
7332 | default: | |
7333 | return -EINVAL; | |
7334 | } | |
7335 | ||
7336 | if (qemu_file_has_error(f)) | |
7337 | return -EIO; | |
7338 | ||
7339 | return 0; | |
7340 | } | |
7341 | ||
7342 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
7343 | { | |
7344 | int ret; | |
7345 | ram_addr_t i; | |
7346 | ||
7347 | if (qemu_get_be32(f) != phys_ram_size) | |
7348 | return -EINVAL; | |
7349 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
7350 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
7351 | if (ret) | |
7352 | return ret; | |
7353 | } | |
7354 | return 0; | |
7355 | } | |
7356 | ||
7357 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
7358 | #define IOBUF_SIZE 4096 | |
7359 | #define RAM_CBLOCK_MAGIC 0xfabe | |
7360 | ||
7361 | typedef struct RamDecompressState { | |
7362 | z_stream zstream; | |
7363 | QEMUFile *f; | |
7364 | uint8_t buf[IOBUF_SIZE]; | |
7365 | } RamDecompressState; | |
7366 | ||
7367 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
7368 | { | |
7369 | int ret; | |
7370 | memset(s, 0, sizeof(*s)); | |
7371 | s->f = f; | |
7372 | ret = inflateInit(&s->zstream); | |
7373 | if (ret != Z_OK) | |
7374 | return -1; | |
7375 | return 0; | |
7376 | } | |
7377 | ||
7378 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
7379 | { | |
7380 | int ret, clen; | |
7381 | ||
7382 | s->zstream.avail_out = len; | |
7383 | s->zstream.next_out = buf; | |
7384 | while (s->zstream.avail_out > 0) { | |
7385 | if (s->zstream.avail_in == 0) { | |
7386 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
7387 | return -1; | |
7388 | clen = qemu_get_be16(s->f); | |
7389 | if (clen > IOBUF_SIZE) | |
7390 | return -1; | |
7391 | qemu_get_buffer(s->f, s->buf, clen); | |
7392 | s->zstream.avail_in = clen; | |
7393 | s->zstream.next_in = s->buf; | |
7394 | } | |
7395 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
7396 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
7397 | return -1; | |
7398 | } | |
7399 | } | |
7400 | return 0; | |
7401 | } | |
7402 | ||
7403 | static void ram_decompress_close(RamDecompressState *s) | |
7404 | { | |
7405 | inflateEnd(&s->zstream); | |
7406 | } | |
7407 | ||
7408 | #define RAM_SAVE_FLAG_FULL 0x01 | |
7409 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
7410 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
7411 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
7412 | #define RAM_SAVE_FLAG_EOS 0x10 | |
7413 | ||
7414 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
7415 | { | |
7416 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
7417 | uint32_t *array = (uint32_t *)page; | |
7418 | int i; | |
7419 | ||
7420 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
7421 | if (array[i] != val) | |
7422 | return 0; | |
7423 | } | |
7424 | ||
7425 | return 1; | |
7426 | } | |
7427 | ||
7428 | static int ram_save_block(QEMUFile *f) | |
7429 | { | |
7430 | static ram_addr_t current_addr = 0; | |
7431 | ram_addr_t saved_addr = current_addr; | |
7432 | ram_addr_t addr = 0; | |
7433 | int found = 0; | |
7434 | ||
7435 | while (addr < phys_ram_size) { | |
7436 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { | |
7437 | uint8_t ch; | |
7438 | ||
7439 | cpu_physical_memory_reset_dirty(current_addr, | |
7440 | current_addr + TARGET_PAGE_SIZE, | |
7441 | MIGRATION_DIRTY_FLAG); | |
7442 | ||
7443 | ch = *(phys_ram_base + current_addr); | |
7444 | ||
7445 | if (is_dup_page(phys_ram_base + current_addr, ch)) { | |
7446 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); | |
7447 | qemu_put_byte(f, ch); | |
7448 | } else { | |
7449 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
7450 | qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE); | |
7451 | } | |
7452 | ||
7453 | found = 1; | |
7454 | break; | |
7455 | } | |
7456 | addr += TARGET_PAGE_SIZE; | |
7457 | current_addr = (saved_addr + addr) % phys_ram_size; | |
7458 | } | |
7459 | ||
7460 | return found; | |
7461 | } | |
7462 | ||
7463 | static ram_addr_t ram_save_threshold = 10; | |
7464 | ||
7465 | static ram_addr_t ram_save_remaining(void) | |
7466 | { | |
7467 | ram_addr_t addr; | |
7468 | ram_addr_t count = 0; | |
7469 | ||
7470 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
7471 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
7472 | count++; | |
7473 | } | |
7474 | ||
7475 | return count; | |
7476 | } | |
7477 | ||
7478 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) | |
7479 | { | |
7480 | ram_addr_t addr; | |
7481 | ||
7482 | if (stage == 1) { | |
7483 | /* Make sure all dirty bits are set */ | |
7484 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
7485 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
7486 | cpu_physical_memory_set_dirty(addr); | |
7487 | } | |
7488 | ||
7489 | /* Enable dirty memory tracking */ | |
7490 | cpu_physical_memory_set_dirty_tracking(1); | |
7491 | ||
7492 | qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE); | |
7493 | } | |
7494 | ||
7495 | while (!qemu_file_rate_limit(f)) { | |
7496 | int ret; | |
7497 | ||
7498 | ret = ram_save_block(f); | |
7499 | if (ret == 0) /* no more blocks */ | |
7500 | break; | |
7501 | } | |
7502 | ||
7503 | /* try transferring iterative blocks of memory */ | |
7504 | ||
7505 | if (stage == 3) { | |
7506 | cpu_physical_memory_set_dirty_tracking(0); | |
7507 | ||
7508 | /* flush all remaining blocks regardless of rate limiting */ | |
7509 | while (ram_save_block(f) != 0); | |
7510 | } | |
7511 | ||
7512 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
7513 | ||
7514 | return (stage == 2) && (ram_save_remaining() < ram_save_threshold); | |
7515 | } | |
7516 | ||
7517 | static int ram_load_dead(QEMUFile *f, void *opaque) | |
7518 | { | |
7519 | RamDecompressState s1, *s = &s1; | |
7520 | uint8_t buf[10]; | |
7521 | ram_addr_t i; | |
7522 | ||
7523 | if (ram_decompress_open(s, f) < 0) | |
7524 | return -EINVAL; | |
7525 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
7526 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
7527 | fprintf(stderr, "Error while reading ram block header\n"); | |
7528 | goto error; | |
7529 | } | |
7530 | if (buf[0] == 0) { | |
7531 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
7532 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); | |
7533 | goto error; | |
7534 | } | |
7535 | } else { | |
7536 | error: | |
7537 | printf("Error block header\n"); | |
7538 | return -EINVAL; | |
7539 | } | |
7540 | } | |
7541 | ram_decompress_close(s); | |
7542 | ||
7543 | return 0; | |
7544 | } | |
7545 | ||
7546 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
7547 | { | |
7548 | ram_addr_t addr; | |
7549 | int flags; | |
7550 | ||
7551 | if (version_id == 1) | |
7552 | return ram_load_v1(f, opaque); | |
7553 | ||
7554 | if (version_id == 2) { | |
7555 | if (qemu_get_be32(f) != phys_ram_size) | |
7556 | return -EINVAL; | |
7557 | return ram_load_dead(f, opaque); | |
7558 | } | |
7559 | ||
7560 | if (version_id != 3) | |
7561 | return -EINVAL; | |
7562 | ||
7563 | do { | |
7564 | addr = qemu_get_be64(f); | |
7565 | ||
7566 | flags = addr & ~TARGET_PAGE_MASK; | |
7567 | addr &= TARGET_PAGE_MASK; | |
7568 | ||
7569 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
7570 | if (addr != phys_ram_size) | |
7571 | return -EINVAL; | |
7572 | } | |
7573 | ||
7574 | if (flags & RAM_SAVE_FLAG_FULL) { | |
7575 | if (ram_load_dead(f, opaque) < 0) | |
7576 | return -EINVAL; | |
7577 | } | |
7578 | ||
7579 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
7580 | uint8_t ch = qemu_get_byte(f); | |
7581 | memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE); | |
7582 | } else if (flags & RAM_SAVE_FLAG_PAGE) | |
7583 | qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE); | |
7584 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
7585 | ||
7586 | return 0; | |
7587 | } | |
7588 | ||
7589 | void qemu_service_io(void) | |
7590 | { | |
7591 | CPUState *env = cpu_single_env; | |
7592 | if (env) { | |
7593 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
7594 | #ifdef USE_KQEMU | |
7595 | if (env->kqemu_enabled) { | |
7596 | kqemu_cpu_interrupt(env); | |
7597 | } | |
7598 | #endif | |
7599 | } | |
7600 | } | |
7601 | ||
7602 | /***********************************************************/ | |
7603 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
7604 | ||
7605 | struct QEMUBH { | |
7606 | QEMUBHFunc *cb; | |
7607 | void *opaque; | |
7608 | int scheduled; | |
7609 | int idle; | |
7610 | int deleted; | |
7611 | QEMUBH *next; | |
7612 | }; | |
7613 | ||
7614 | static QEMUBH *first_bh = NULL; | |
7615 | ||
7616 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
7617 | { | |
7618 | QEMUBH *bh; | |
7619 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
7620 | if (!bh) | |
7621 | return NULL; | |
7622 | bh->cb = cb; | |
7623 | bh->opaque = opaque; | |
7624 | bh->next = first_bh; | |
7625 | first_bh = bh; | |
7626 | return bh; | |
7627 | } | |
7628 | ||
7629 | int qemu_bh_poll(void) | |
7630 | { | |
7631 | QEMUBH *bh, **bhp; | |
7632 | int ret; | |
7633 | ||
7634 | ret = 0; | |
7635 | for (bh = first_bh; bh; bh = bh->next) { | |
7636 | if (!bh->deleted && bh->scheduled) { | |
7637 | bh->scheduled = 0; | |
7638 | if (!bh->idle) | |
7639 | ret = 1; | |
7640 | bh->idle = 0; | |
7641 | bh->cb(bh->opaque); | |
7642 | } | |
7643 | } | |
7644 | ||
7645 | /* remove deleted bhs */ | |
7646 | bhp = &first_bh; | |
7647 | while (*bhp) { | |
7648 | bh = *bhp; | |
7649 | if (bh->deleted) { | |
7650 | *bhp = bh->next; | |
7651 | qemu_free(bh); | |
7652 | } else | |
7653 | bhp = &bh->next; | |
7654 | } | |
7655 | ||
7656 | return ret; | |
7657 | } | |
7658 | ||
7659 | void qemu_bh_schedule_idle(QEMUBH *bh) | |
7660 | { | |
7661 | if (bh->scheduled) | |
7662 | return; | |
7663 | bh->scheduled = 1; | |
7664 | bh->idle = 1; | |
7665 | } | |
7666 | ||
7667 | void qemu_bh_schedule(QEMUBH *bh) | |
7668 | { | |
7669 | CPUState *env = cpu_single_env; | |
7670 | if (bh->scheduled) | |
7671 | return; | |
7672 | bh->scheduled = 1; | |
7673 | bh->idle = 0; | |
7674 | /* stop the currently executing CPU to execute the BH ASAP */ | |
7675 | if (env) { | |
7676 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
7677 | } | |
7678 | } | |
7679 | ||
7680 | void qemu_bh_cancel(QEMUBH *bh) | |
7681 | { | |
7682 | bh->scheduled = 0; | |
7683 | } | |
7684 | ||
7685 | void qemu_bh_delete(QEMUBH *bh) | |
7686 | { | |
7687 | bh->scheduled = 0; | |
7688 | bh->deleted = 1; | |
7689 | } | |
7690 | ||
7691 | /***********************************************************/ | |
7692 | /* machine registration */ | |
7693 | ||
7694 | static QEMUMachine *first_machine = NULL; | |
7695 | ||
7696 | int qemu_register_machine(QEMUMachine *m) | |
7697 | { | |
7698 | QEMUMachine **pm; | |
7699 | pm = &first_machine; | |
7700 | while (*pm != NULL) | |
7701 | pm = &(*pm)->next; | |
7702 | m->next = NULL; | |
7703 | *pm = m; | |
7704 | return 0; | |
7705 | } | |
7706 | ||
7707 | static QEMUMachine *find_machine(const char *name) | |
7708 | { | |
7709 | QEMUMachine *m; | |
7710 | ||
7711 | for(m = first_machine; m != NULL; m = m->next) { | |
7712 | if (!strcmp(m->name, name)) | |
7713 | return m; | |
7714 | } | |
7715 | return NULL; | |
7716 | } | |
7717 | ||
7718 | /***********************************************************/ | |
7719 | /* main execution loop */ | |
7720 | ||
7721 | static void gui_update(void *opaque) | |
7722 | { | |
7723 | DisplayState *ds = opaque; | |
7724 | ds->dpy_refresh(ds); | |
7725 | qemu_mod_timer(ds->gui_timer, | |
7726 | (ds->gui_timer_interval ? | |
7727 | ds->gui_timer_interval : | |
7728 | GUI_REFRESH_INTERVAL) | |
7729 | + qemu_get_clock(rt_clock)); | |
7730 | } | |
7731 | ||
7732 | struct vm_change_state_entry { | |
7733 | VMChangeStateHandler *cb; | |
7734 | void *opaque; | |
7735 | LIST_ENTRY (vm_change_state_entry) entries; | |
7736 | }; | |
7737 | ||
7738 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
7739 | ||
7740 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
7741 | void *opaque) | |
7742 | { | |
7743 | VMChangeStateEntry *e; | |
7744 | ||
7745 | e = qemu_mallocz(sizeof (*e)); | |
7746 | if (!e) | |
7747 | return NULL; | |
7748 | ||
7749 | e->cb = cb; | |
7750 | e->opaque = opaque; | |
7751 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
7752 | return e; | |
7753 | } | |
7754 | ||
7755 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
7756 | { | |
7757 | LIST_REMOVE (e, entries); | |
7758 | qemu_free (e); | |
7759 | } | |
7760 | ||
7761 | static void vm_state_notify(int running) | |
7762 | { | |
7763 | VMChangeStateEntry *e; | |
7764 | ||
7765 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
7766 | e->cb(e->opaque, running); | |
7767 | } | |
7768 | } | |
7769 | ||
7770 | /* XXX: support several handlers */ | |
7771 | static VMStopHandler *vm_stop_cb; | |
7772 | static void *vm_stop_opaque; | |
7773 | ||
7774 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
7775 | { | |
7776 | vm_stop_cb = cb; | |
7777 | vm_stop_opaque = opaque; | |
7778 | return 0; | |
7779 | } | |
7780 | ||
7781 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
7782 | { | |
7783 | vm_stop_cb = NULL; | |
7784 | } | |
7785 | ||
7786 | void vm_start(void) | |
7787 | { | |
7788 | if (!vm_running) { | |
7789 | cpu_enable_ticks(); | |
7790 | vm_running = 1; | |
7791 | vm_state_notify(1); | |
7792 | qemu_rearm_alarm_timer(alarm_timer); | |
7793 | } | |
7794 | } | |
7795 | ||
7796 | void vm_stop(int reason) | |
7797 | { | |
7798 | if (vm_running) { | |
7799 | cpu_disable_ticks(); | |
7800 | vm_running = 0; | |
7801 | if (reason != 0) { | |
7802 | if (vm_stop_cb) { | |
7803 | vm_stop_cb(vm_stop_opaque, reason); | |
7804 | } | |
7805 | } | |
7806 | vm_state_notify(0); | |
7807 | } | |
7808 | } | |
7809 | ||
7810 | /* reset/shutdown handler */ | |
7811 | ||
7812 | typedef struct QEMUResetEntry { | |
7813 | QEMUResetHandler *func; | |
7814 | void *opaque; | |
7815 | struct QEMUResetEntry *next; | |
7816 | } QEMUResetEntry; | |
7817 | ||
7818 | static QEMUResetEntry *first_reset_entry; | |
7819 | static int reset_requested; | |
7820 | static int shutdown_requested; | |
7821 | static int powerdown_requested; | |
7822 | ||
7823 | int qemu_shutdown_requested(void) | |
7824 | { | |
7825 | int r = shutdown_requested; | |
7826 | shutdown_requested = 0; | |
7827 | return r; | |
7828 | } | |
7829 | ||
7830 | int qemu_reset_requested(void) | |
7831 | { | |
7832 | int r = reset_requested; | |
7833 | reset_requested = 0; | |
7834 | return r; | |
7835 | } | |
7836 | ||
7837 | int qemu_powerdown_requested(void) | |
7838 | { | |
7839 | int r = powerdown_requested; | |
7840 | powerdown_requested = 0; | |
7841 | return r; | |
7842 | } | |
7843 | ||
7844 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
7845 | { | |
7846 | QEMUResetEntry **pre, *re; | |
7847 | ||
7848 | pre = &first_reset_entry; | |
7849 | while (*pre != NULL) | |
7850 | pre = &(*pre)->next; | |
7851 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
7852 | re->func = func; | |
7853 | re->opaque = opaque; | |
7854 | re->next = NULL; | |
7855 | *pre = re; | |
7856 | } | |
7857 | ||
7858 | void qemu_system_reset(void) | |
7859 | { | |
7860 | QEMUResetEntry *re; | |
7861 | ||
7862 | /* reset all devices */ | |
7863 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
7864 | re->func(re->opaque); | |
7865 | } | |
7866 | } | |
7867 | ||
7868 | void qemu_system_reset_request(void) | |
7869 | { | |
7870 | if (no_reboot) { | |
7871 | shutdown_requested = 1; | |
7872 | } else { | |
7873 | reset_requested = 1; | |
7874 | } | |
7875 | if (cpu_single_env) | |
7876 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
7877 | } | |
7878 | ||
7879 | void qemu_system_shutdown_request(void) | |
7880 | { | |
7881 | shutdown_requested = 1; | |
7882 | if (cpu_single_env) | |
7883 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
7884 | } | |
7885 | ||
7886 | void qemu_system_powerdown_request(void) | |
7887 | { | |
7888 | powerdown_requested = 1; | |
7889 | if (cpu_single_env) | |
7890 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
7891 | } | |
7892 | ||
7893 | void main_loop_wait(int timeout) | |
7894 | { | |
7895 | IOHandlerRecord *ioh; | |
7896 | fd_set rfds, wfds, xfds; | |
7897 | int ret, nfds; | |
7898 | #ifdef _WIN32 | |
7899 | int ret2, i; | |
7900 | #endif | |
7901 | struct timeval tv; | |
7902 | PollingEntry *pe; | |
7903 | ||
7904 | ||
7905 | /* XXX: need to suppress polling by better using win32 events */ | |
7906 | ret = 0; | |
7907 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
7908 | ret |= pe->func(pe->opaque); | |
7909 | } | |
7910 | #ifdef _WIN32 | |
7911 | if (ret == 0) { | |
7912 | int err; | |
7913 | WaitObjects *w = &wait_objects; | |
7914 | ||
7915 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); | |
7916 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
7917 | if (w->func[ret - WAIT_OBJECT_0]) | |
7918 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
7919 | ||
7920 | /* Check for additional signaled events */ | |
7921 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { | |
7922 | ||
7923 | /* Check if event is signaled */ | |
7924 | ret2 = WaitForSingleObject(w->events[i], 0); | |
7925 | if(ret2 == WAIT_OBJECT_0) { | |
7926 | if (w->func[i]) | |
7927 | w->func[i](w->opaque[i]); | |
7928 | } else if (ret2 == WAIT_TIMEOUT) { | |
7929 | } else { | |
7930 | err = GetLastError(); | |
7931 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
7932 | } | |
7933 | } | |
7934 | } else if (ret == WAIT_TIMEOUT) { | |
7935 | } else { | |
7936 | err = GetLastError(); | |
7937 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); | |
7938 | } | |
7939 | } | |
7940 | #endif | |
7941 | /* poll any events */ | |
7942 | /* XXX: separate device handlers from system ones */ | |
7943 | nfds = -1; | |
7944 | FD_ZERO(&rfds); | |
7945 | FD_ZERO(&wfds); | |
7946 | FD_ZERO(&xfds); | |
7947 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
7948 | if (ioh->deleted) | |
7949 | continue; | |
7950 | if (ioh->fd_read && | |
7951 | (!ioh->fd_read_poll || | |
7952 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
7953 | FD_SET(ioh->fd, &rfds); | |
7954 | if (ioh->fd > nfds) | |
7955 | nfds = ioh->fd; | |
7956 | } | |
7957 | if (ioh->fd_write) { | |
7958 | FD_SET(ioh->fd, &wfds); | |
7959 | if (ioh->fd > nfds) | |
7960 | nfds = ioh->fd; | |
7961 | } | |
7962 | } | |
7963 | ||
7964 | tv.tv_sec = 0; | |
7965 | #ifdef _WIN32 | |
7966 | tv.tv_usec = 0; | |
7967 | #else | |
7968 | tv.tv_usec = timeout * 1000; | |
7969 | #endif | |
7970 | #if defined(CONFIG_SLIRP) | |
7971 | if (slirp_inited) { | |
7972 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
7973 | } | |
7974 | #endif | |
7975 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
7976 | if (ret > 0) { | |
7977 | IOHandlerRecord **pioh; | |
7978 | ||
7979 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
7980 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { | |
7981 | ioh->fd_read(ioh->opaque); | |
7982 | } | |
7983 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { | |
7984 | ioh->fd_write(ioh->opaque); | |
7985 | } | |
7986 | } | |
7987 | ||
7988 | /* remove deleted IO handlers */ | |
7989 | pioh = &first_io_handler; | |
7990 | while (*pioh) { | |
7991 | ioh = *pioh; | |
7992 | if (ioh->deleted) { | |
7993 | *pioh = ioh->next; | |
7994 | qemu_free(ioh); | |
7995 | } else | |
7996 | pioh = &ioh->next; | |
7997 | } | |
7998 | } | |
7999 | #if defined(CONFIG_SLIRP) | |
8000 | if (slirp_inited) { | |
8001 | if (ret < 0) { | |
8002 | FD_ZERO(&rfds); | |
8003 | FD_ZERO(&wfds); | |
8004 | FD_ZERO(&xfds); | |
8005 | } | |
8006 | slirp_select_poll(&rfds, &wfds, &xfds); | |
8007 | } | |
8008 | #endif | |
8009 | ||
8010 | if (vm_running) { | |
8011 | if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
8012 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
8013 | qemu_get_clock(vm_clock)); | |
8014 | } | |
8015 | ||
8016 | /* real time timers */ | |
8017 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
8018 | qemu_get_clock(rt_clock)); | |
8019 | ||
8020 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
8021 | alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); | |
8022 | qemu_rearm_alarm_timer(alarm_timer); | |
8023 | } | |
8024 | ||
8025 | /* Check bottom-halves last in case any of the earlier events triggered | |
8026 | them. */ | |
8027 | qemu_bh_poll(); | |
8028 | ||
8029 | } | |
8030 | ||
8031 | static int main_loop(void) | |
8032 | { | |
8033 | int ret, timeout; | |
8034 | #ifdef CONFIG_PROFILER | |
8035 | int64_t ti; | |
8036 | #endif | |
8037 | CPUState *env; | |
8038 | ||
8039 | cur_cpu = first_cpu; | |
8040 | next_cpu = cur_cpu->next_cpu ?: first_cpu; | |
8041 | for(;;) { | |
8042 | if (vm_running) { | |
8043 | ||
8044 | for(;;) { | |
8045 | /* get next cpu */ | |
8046 | env = next_cpu; | |
8047 | #ifdef CONFIG_PROFILER | |
8048 | ti = profile_getclock(); | |
8049 | #endif | |
8050 | if (use_icount) { | |
8051 | int64_t count; | |
8052 | int decr; | |
8053 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
8054 | env->icount_decr.u16.low = 0; | |
8055 | env->icount_extra = 0; | |
8056 | count = qemu_next_deadline(); | |
8057 | count = (count + (1 << icount_time_shift) - 1) | |
8058 | >> icount_time_shift; | |
8059 | qemu_icount += count; | |
8060 | decr = (count > 0xffff) ? 0xffff : count; | |
8061 | count -= decr; | |
8062 | env->icount_decr.u16.low = decr; | |
8063 | env->icount_extra = count; | |
8064 | } | |
8065 | ret = cpu_exec(env); | |
8066 | #ifdef CONFIG_PROFILER | |
8067 | qemu_time += profile_getclock() - ti; | |
8068 | #endif | |
8069 | if (use_icount) { | |
8070 | /* Fold pending instructions back into the | |
8071 | instruction counter, and clear the interrupt flag. */ | |
8072 | qemu_icount -= (env->icount_decr.u16.low | |
8073 | + env->icount_extra); | |
8074 | env->icount_decr.u32 = 0; | |
8075 | env->icount_extra = 0; | |
8076 | } | |
8077 | next_cpu = env->next_cpu ?: first_cpu; | |
8078 | if (event_pending && likely(ret != EXCP_DEBUG)) { | |
8079 | ret = EXCP_INTERRUPT; | |
8080 | event_pending = 0; | |
8081 | break; | |
8082 | } | |
8083 | if (ret == EXCP_HLT) { | |
8084 | /* Give the next CPU a chance to run. */ | |
8085 | cur_cpu = env; | |
8086 | continue; | |
8087 | } | |
8088 | if (ret != EXCP_HALTED) | |
8089 | break; | |
8090 | /* all CPUs are halted ? */ | |
8091 | if (env == cur_cpu) | |
8092 | break; | |
8093 | } | |
8094 | cur_cpu = env; | |
8095 | ||
8096 | if (shutdown_requested) { | |
8097 | ret = EXCP_INTERRUPT; | |
8098 | if (no_shutdown) { | |
8099 | vm_stop(0); | |
8100 | no_shutdown = 0; | |
8101 | } | |
8102 | else | |
8103 | break; | |
8104 | } | |
8105 | if (reset_requested) { | |
8106 | reset_requested = 0; | |
8107 | qemu_system_reset(); | |
8108 | ret = EXCP_INTERRUPT; | |
8109 | } | |
8110 | if (powerdown_requested) { | |
8111 | powerdown_requested = 0; | |
8112 | qemu_system_powerdown(); | |
8113 | ret = EXCP_INTERRUPT; | |
8114 | } | |
8115 | if (unlikely(ret == EXCP_DEBUG)) { | |
8116 | vm_stop(EXCP_DEBUG); | |
8117 | } | |
8118 | /* If all cpus are halted then wait until the next IRQ */ | |
8119 | /* XXX: use timeout computed from timers */ | |
8120 | if (ret == EXCP_HALTED) { | |
8121 | if (use_icount) { | |
8122 | int64_t add; | |
8123 | int64_t delta; | |
8124 | /* Advance virtual time to the next event. */ | |
8125 | if (use_icount == 1) { | |
8126 | /* When not using an adaptive execution frequency | |
8127 | we tend to get badly out of sync with real time, | |
8128 | so just delay for a reasonable amount of time. */ | |
8129 | delta = 0; | |
8130 | } else { | |
8131 | delta = cpu_get_icount() - cpu_get_clock(); | |
8132 | } | |
8133 | if (delta > 0) { | |
8134 | /* If virtual time is ahead of real time then just | |
8135 | wait for IO. */ | |
8136 | timeout = (delta / 1000000) + 1; | |
8137 | } else { | |
8138 | /* Wait for either IO to occur or the next | |
8139 | timer event. */ | |
8140 | add = qemu_next_deadline(); | |
8141 | /* We advance the timer before checking for IO. | |
8142 | Limit the amount we advance so that early IO | |
8143 | activity won't get the guest too far ahead. */ | |
8144 | if (add > 10000000) | |
8145 | add = 10000000; | |
8146 | delta += add; | |
8147 | add = (add + (1 << icount_time_shift) - 1) | |
8148 | >> icount_time_shift; | |
8149 | qemu_icount += add; | |
8150 | timeout = delta / 1000000; | |
8151 | if (timeout < 0) | |
8152 | timeout = 0; | |
8153 | } | |
8154 | } else { | |
8155 | timeout = 10; | |
8156 | } | |
8157 | } else { | |
8158 | timeout = 0; | |
8159 | } | |
8160 | } else { | |
8161 | if (shutdown_requested) { | |
8162 | ret = EXCP_INTERRUPT; | |
8163 | break; | |
8164 | } | |
8165 | timeout = 10; | |
8166 | } | |
8167 | #ifdef CONFIG_PROFILER | |
8168 | ti = profile_getclock(); | |
8169 | #endif | |
8170 | main_loop_wait(timeout); | |
8171 | #ifdef CONFIG_PROFILER | |
8172 | dev_time += profile_getclock() - ti; | |
8173 | #endif | |
8174 | } | |
8175 | cpu_disable_ticks(); | |
8176 | return ret; | |
8177 | } | |
8178 | ||
8179 | static void help(int exitcode) | |
8180 | { | |
8181 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" | |
8182 | "usage: %s [options] [disk_image]\n" | |
8183 | "\n" | |
8184 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
8185 | "\n" | |
8186 | "Standard options:\n" | |
8187 | "-M machine select emulated machine (-M ? for list)\n" | |
8188 | "-cpu cpu select CPU (-cpu ? for list)\n" | |
8189 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
8190 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
8191 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
8192 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
8193 | "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" | |
8194 | " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" | |
8195 | " [,cache=writethrough|writeback|none][,format=f]\n" | |
8196 | " use 'file' as a drive image\n" | |
8197 | "-mtdblock file use 'file' as on-board Flash memory image\n" | |
8198 | "-sd file use 'file' as SecureDigital card image\n" | |
8199 | "-pflash file use 'file' as a parallel flash image\n" | |
8200 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" | |
8201 | "-snapshot write to temporary files instead of disk image files\n" | |
8202 | #ifdef CONFIG_SDL | |
8203 | "-no-frame open SDL window without a frame and window decorations\n" | |
8204 | "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" | |
8205 | "-no-quit disable SDL window close capability\n" | |
8206 | #endif | |
8207 | #ifdef TARGET_I386 | |
8208 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
8209 | #endif | |
8210 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
8211 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
8212 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
8213 | "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" | |
8214 | #ifndef _WIN32 | |
8215 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
8216 | #endif | |
8217 | #ifdef HAS_AUDIO | |
8218 | "-audio-help print list of audio drivers and their options\n" | |
8219 | "-soundhw c1,... enable audio support\n" | |
8220 | " and only specified sound cards (comma separated list)\n" | |
8221 | " use -soundhw ? to get the list of supported cards\n" | |
8222 | " use -soundhw all to enable all of them\n" | |
8223 | #endif | |
8224 | "-vga [std|cirrus|vmware]\n" | |
8225 | " select video card type\n" | |
8226 | "-localtime set the real time clock to local time [default=utc]\n" | |
8227 | "-full-screen start in full screen\n" | |
8228 | #ifdef TARGET_I386 | |
8229 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
8230 | #endif | |
8231 | "-usb enable the USB driver (will be the default soon)\n" | |
8232 | "-usbdevice name add the host or guest USB device 'name'\n" | |
8233 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
8234 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
8235 | #endif | |
8236 | "-name string set the name of the guest\n" | |
8237 | "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n" | |
8238 | "\n" | |
8239 | "Network options:\n" | |
8240 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" | |
8241 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
8242 | #ifdef CONFIG_SLIRP | |
8243 | "-net user[,vlan=n][,hostname=host]\n" | |
8244 | " connect the user mode network stack to VLAN 'n' and send\n" | |
8245 | " hostname 'host' to DHCP clients\n" | |
8246 | #endif | |
8247 | #ifdef _WIN32 | |
8248 | "-net tap[,vlan=n],ifname=name\n" | |
8249 | " connect the host TAP network interface to VLAN 'n'\n" | |
8250 | #else | |
8251 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n" | |
8252 | " connect the host TAP network interface to VLAN 'n' and use the\n" | |
8253 | " network scripts 'file' (default=%s)\n" | |
8254 | " and 'dfile' (default=%s);\n" | |
8255 | " use '[down]script=no' to disable script execution;\n" | |
8256 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
8257 | #endif | |
8258 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
8259 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
8260 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" | |
8261 | " connect the vlan 'n' to multicast maddr and port\n" | |
8262 | #ifdef CONFIG_VDE | |
8263 | "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n" | |
8264 | " connect the vlan 'n' to port 'n' of a vde switch running\n" | |
8265 | " on host and listening for incoming connections on 'socketpath'.\n" | |
8266 | " Use group 'groupname' and mode 'octalmode' to change default\n" | |
8267 | " ownership and permissions for communication port.\n" | |
8268 | #endif | |
8269 | "-net none use it alone to have zero network devices; if no -net option\n" | |
8270 | " is provided, the default is '-net nic -net user'\n" | |
8271 | "\n" | |
8272 | #ifdef CONFIG_SLIRP | |
8273 | "-tftp dir allow tftp access to files in dir [-net user]\n" | |
8274 | "-bootp file advertise file in BOOTP replies\n" | |
8275 | #ifndef _WIN32 | |
8276 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
8277 | #endif | |
8278 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
8279 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
8280 | #endif | |
8281 | "\n" | |
8282 | "Linux boot specific:\n" | |
8283 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
8284 | "-append cmdline use 'cmdline' as kernel command line\n" | |
8285 | "-initrd file use 'file' as initial ram disk\n" | |
8286 | "\n" | |
8287 | "Debug/Expert options:\n" | |
8288 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
8289 | "-serial dev redirect the serial port to char device 'dev'\n" | |
8290 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
8291 | "-pidfile file Write PID to 'file'\n" | |
8292 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
8293 | "-s wait gdb connection to port\n" | |
8294 | "-p port set gdb connection port [default=%s]\n" | |
8295 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
8296 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
8297 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
8298 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
8299 | #ifdef USE_KQEMU | |
8300 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
8301 | "-no-kqemu disable KQEMU kernel module usage\n" | |
8302 | #endif | |
8303 | #ifdef TARGET_I386 | |
8304 | "-no-acpi disable ACPI\n" | |
8305 | #endif | |
8306 | #ifdef CONFIG_CURSES | |
8307 | "-curses use a curses/ncurses interface instead of SDL\n" | |
8308 | #endif | |
8309 | "-no-reboot exit instead of rebooting\n" | |
8310 | "-no-shutdown stop before shutdown\n" | |
8311 | "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n" | |
8312 | "-vnc display start a VNC server on display\n" | |
8313 | #ifndef _WIN32 | |
8314 | "-daemonize daemonize QEMU after initializing\n" | |
8315 | #endif | |
8316 | "-option-rom rom load a file, rom, into the option ROM space\n" | |
8317 | #ifdef TARGET_SPARC | |
8318 | "-prom-env variable=value set OpenBIOS nvram variables\n" | |
8319 | #endif | |
8320 | "-clock force the use of the given methods for timer alarm.\n" | |
8321 | " To see what timers are available use -clock ?\n" | |
8322 | "-startdate select initial date of the clock\n" | |
8323 | "-icount [N|auto]\n" | |
8324 | " Enable virtual instruction counter with 2^N clock ticks per instruction\n" | |
8325 | "\n" | |
8326 | "During emulation, the following keys are useful:\n" | |
8327 | "ctrl-alt-f toggle full screen\n" | |
8328 | "ctrl-alt-n switch to virtual console 'n'\n" | |
8329 | "ctrl-alt toggle mouse and keyboard grab\n" | |
8330 | "\n" | |
8331 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
8332 | , | |
8333 | "qemu", | |
8334 | DEFAULT_RAM_SIZE, | |
8335 | #ifndef _WIN32 | |
8336 | DEFAULT_NETWORK_SCRIPT, | |
8337 | DEFAULT_NETWORK_DOWN_SCRIPT, | |
8338 | #endif | |
8339 | DEFAULT_GDBSTUB_PORT, | |
8340 | "/tmp/qemu.log"); | |
8341 | exit(exitcode); | |
8342 | } | |
8343 | ||
8344 | #define HAS_ARG 0x0001 | |
8345 | ||
8346 | enum { | |
8347 | QEMU_OPTION_h, | |
8348 | ||
8349 | QEMU_OPTION_M, | |
8350 | QEMU_OPTION_cpu, | |
8351 | QEMU_OPTION_fda, | |
8352 | QEMU_OPTION_fdb, | |
8353 | QEMU_OPTION_hda, | |
8354 | QEMU_OPTION_hdb, | |
8355 | QEMU_OPTION_hdc, | |
8356 | QEMU_OPTION_hdd, | |
8357 | QEMU_OPTION_drive, | |
8358 | QEMU_OPTION_cdrom, | |
8359 | QEMU_OPTION_mtdblock, | |
8360 | QEMU_OPTION_sd, | |
8361 | QEMU_OPTION_pflash, | |
8362 | QEMU_OPTION_boot, | |
8363 | QEMU_OPTION_snapshot, | |
8364 | #ifdef TARGET_I386 | |
8365 | QEMU_OPTION_no_fd_bootchk, | |
8366 | #endif | |
8367 | QEMU_OPTION_m, | |
8368 | QEMU_OPTION_nographic, | |
8369 | QEMU_OPTION_portrait, | |
8370 | #ifdef HAS_AUDIO | |
8371 | QEMU_OPTION_audio_help, | |
8372 | QEMU_OPTION_soundhw, | |
8373 | #endif | |
8374 | ||
8375 | QEMU_OPTION_net, | |
8376 | QEMU_OPTION_tftp, | |
8377 | QEMU_OPTION_bootp, | |
8378 | QEMU_OPTION_smb, | |
8379 | QEMU_OPTION_redir, | |
8380 | ||
8381 | QEMU_OPTION_kernel, | |
8382 | QEMU_OPTION_append, | |
8383 | QEMU_OPTION_initrd, | |
8384 | ||
8385 | QEMU_OPTION_S, | |
8386 | QEMU_OPTION_s, | |
8387 | QEMU_OPTION_p, | |
8388 | QEMU_OPTION_d, | |
8389 | QEMU_OPTION_hdachs, | |
8390 | QEMU_OPTION_L, | |
8391 | QEMU_OPTION_bios, | |
8392 | QEMU_OPTION_k, | |
8393 | QEMU_OPTION_localtime, | |
8394 | QEMU_OPTION_g, | |
8395 | QEMU_OPTION_vga, | |
8396 | QEMU_OPTION_echr, | |
8397 | QEMU_OPTION_monitor, | |
8398 | QEMU_OPTION_serial, | |
8399 | QEMU_OPTION_parallel, | |
8400 | QEMU_OPTION_loadvm, | |
8401 | QEMU_OPTION_full_screen, | |
8402 | QEMU_OPTION_no_frame, | |
8403 | QEMU_OPTION_alt_grab, | |
8404 | QEMU_OPTION_no_quit, | |
8405 | QEMU_OPTION_pidfile, | |
8406 | QEMU_OPTION_no_kqemu, | |
8407 | QEMU_OPTION_kernel_kqemu, | |
8408 | QEMU_OPTION_win2k_hack, | |
8409 | QEMU_OPTION_usb, | |
8410 | QEMU_OPTION_usbdevice, | |
8411 | QEMU_OPTION_smp, | |
8412 | QEMU_OPTION_vnc, | |
8413 | QEMU_OPTION_no_acpi, | |
8414 | QEMU_OPTION_curses, | |
8415 | QEMU_OPTION_no_reboot, | |
8416 | QEMU_OPTION_no_shutdown, | |
8417 | QEMU_OPTION_show_cursor, | |
8418 | QEMU_OPTION_daemonize, | |
8419 | QEMU_OPTION_option_rom, | |
8420 | QEMU_OPTION_semihosting, | |
8421 | QEMU_OPTION_name, | |
8422 | QEMU_OPTION_prom_env, | |
8423 | QEMU_OPTION_old_param, | |
8424 | QEMU_OPTION_clock, | |
8425 | QEMU_OPTION_startdate, | |
8426 | QEMU_OPTION_tb_size, | |
8427 | QEMU_OPTION_icount, | |
8428 | QEMU_OPTION_uuid, | |
8429 | QEMU_OPTION_incoming, | |
8430 | }; | |
8431 | ||
8432 | typedef struct QEMUOption { | |
8433 | const char *name; | |
8434 | int flags; | |
8435 | int index; | |
8436 | } QEMUOption; | |
8437 | ||
8438 | static const QEMUOption qemu_options[] = { | |
8439 | { "h", 0, QEMU_OPTION_h }, | |
8440 | { "help", 0, QEMU_OPTION_h }, | |
8441 | ||
8442 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
8443 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, | |
8444 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
8445 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
8446 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
8447 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
8448 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
8449 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
8450 | { "drive", HAS_ARG, QEMU_OPTION_drive }, | |
8451 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
8452 | { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, | |
8453 | { "sd", HAS_ARG, QEMU_OPTION_sd }, | |
8454 | { "pflash", HAS_ARG, QEMU_OPTION_pflash }, | |
8455 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
8456 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
8457 | #ifdef TARGET_I386 | |
8458 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
8459 | #endif | |
8460 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
8461 | { "nographic", 0, QEMU_OPTION_nographic }, | |
8462 | { "portrait", 0, QEMU_OPTION_portrait }, | |
8463 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
8464 | #ifdef HAS_AUDIO | |
8465 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
8466 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
8467 | #endif | |
8468 | ||
8469 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
8470 | #ifdef CONFIG_SLIRP | |
8471 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
8472 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, | |
8473 | #ifndef _WIN32 | |
8474 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
8475 | #endif | |
8476 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
8477 | #endif | |
8478 | ||
8479 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
8480 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
8481 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
8482 | ||
8483 | { "S", 0, QEMU_OPTION_S }, | |
8484 | { "s", 0, QEMU_OPTION_s }, | |
8485 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
8486 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
8487 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
8488 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
8489 | { "bios", HAS_ARG, QEMU_OPTION_bios }, | |
8490 | #ifdef USE_KQEMU | |
8491 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
8492 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
8493 | #endif | |
8494 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
8495 | { "g", 1, QEMU_OPTION_g }, | |
8496 | #endif | |
8497 | { "localtime", 0, QEMU_OPTION_localtime }, | |
8498 | { "vga", HAS_ARG, QEMU_OPTION_vga }, | |
8499 | { "echr", HAS_ARG, QEMU_OPTION_echr }, | |
8500 | { "monitor", HAS_ARG, QEMU_OPTION_monitor }, | |
8501 | { "serial", HAS_ARG, QEMU_OPTION_serial }, | |
8502 | { "parallel", HAS_ARG, QEMU_OPTION_parallel }, | |
8503 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
8504 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
8505 | #ifdef CONFIG_SDL | |
8506 | { "no-frame", 0, QEMU_OPTION_no_frame }, | |
8507 | { "alt-grab", 0, QEMU_OPTION_alt_grab }, | |
8508 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
8509 | #endif | |
8510 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
8511 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
8512 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
8513 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
8514 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
8515 | #ifdef CONFIG_CURSES | |
8516 | { "curses", 0, QEMU_OPTION_curses }, | |
8517 | #endif | |
8518 | { "uuid", HAS_ARG, QEMU_OPTION_uuid }, | |
8519 | ||
8520 | /* temporary options */ | |
8521 | { "usb", 0, QEMU_OPTION_usb }, | |
8522 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
8523 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
8524 | { "no-shutdown", 0, QEMU_OPTION_no_shutdown }, | |
8525 | { "show-cursor", 0, QEMU_OPTION_show_cursor }, | |
8526 | { "daemonize", 0, QEMU_OPTION_daemonize }, | |
8527 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, | |
8528 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
8529 | { "semihosting", 0, QEMU_OPTION_semihosting }, | |
8530 | #endif | |
8531 | { "name", HAS_ARG, QEMU_OPTION_name }, | |
8532 | #if defined(TARGET_SPARC) | |
8533 | { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, | |
8534 | #endif | |
8535 | #if defined(TARGET_ARM) | |
8536 | { "old-param", 0, QEMU_OPTION_old_param }, | |
8537 | #endif | |
8538 | { "clock", HAS_ARG, QEMU_OPTION_clock }, | |
8539 | { "startdate", HAS_ARG, QEMU_OPTION_startdate }, | |
8540 | { "tb-size", HAS_ARG, QEMU_OPTION_tb_size }, | |
8541 | { "icount", HAS_ARG, QEMU_OPTION_icount }, | |
8542 | { "incoming", HAS_ARG, QEMU_OPTION_incoming }, | |
8543 | { NULL }, | |
8544 | }; | |
8545 | ||
8546 | /* password input */ | |
8547 | ||
8548 | int qemu_key_check(BlockDriverState *bs, const char *name) | |
8549 | { | |
8550 | char password[256]; | |
8551 | int i; | |
8552 | ||
8553 | if (!bdrv_is_encrypted(bs)) | |
8554 | return 0; | |
8555 | ||
8556 | term_printf("%s is encrypted.\n", name); | |
8557 | for(i = 0; i < 3; i++) { | |
8558 | monitor_readline("Password: ", 1, password, sizeof(password)); | |
8559 | if (bdrv_set_key(bs, password) == 0) | |
8560 | return 0; | |
8561 | term_printf("invalid password\n"); | |
8562 | } | |
8563 | return -EPERM; | |
8564 | } | |
8565 | ||
8566 | static BlockDriverState *get_bdrv(int index) | |
8567 | { | |
8568 | if (index > nb_drives) | |
8569 | return NULL; | |
8570 | return drives_table[index].bdrv; | |
8571 | } | |
8572 | ||
8573 | static void read_passwords(void) | |
8574 | { | |
8575 | BlockDriverState *bs; | |
8576 | int i; | |
8577 | ||
8578 | for(i = 0; i < 6; i++) { | |
8579 | bs = get_bdrv(i); | |
8580 | if (bs) | |
8581 | qemu_key_check(bs, bdrv_get_device_name(bs)); | |
8582 | } | |
8583 | } | |
8584 | ||
8585 | #ifdef HAS_AUDIO | |
8586 | struct soundhw soundhw[] = { | |
8587 | #ifdef HAS_AUDIO_CHOICE | |
8588 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
8589 | { | |
8590 | "pcspk", | |
8591 | "PC speaker", | |
8592 | 0, | |
8593 | 1, | |
8594 | { .init_isa = pcspk_audio_init } | |
8595 | }, | |
8596 | #endif | |
8597 | { | |
8598 | "sb16", | |
8599 | "Creative Sound Blaster 16", | |
8600 | 0, | |
8601 | 1, | |
8602 | { .init_isa = SB16_init } | |
8603 | }, | |
8604 | ||
8605 | #ifdef CONFIG_CS4231A | |
8606 | { | |
8607 | "cs4231a", | |
8608 | "CS4231A", | |
8609 | 0, | |
8610 | 1, | |
8611 | { .init_isa = cs4231a_init } | |
8612 | }, | |
8613 | #endif | |
8614 | ||
8615 | #ifdef CONFIG_ADLIB | |
8616 | { | |
8617 | "adlib", | |
8618 | #ifdef HAS_YMF262 | |
8619 | "Yamaha YMF262 (OPL3)", | |
8620 | #else | |
8621 | "Yamaha YM3812 (OPL2)", | |
8622 | #endif | |
8623 | 0, | |
8624 | 1, | |
8625 | { .init_isa = Adlib_init } | |
8626 | }, | |
8627 | #endif | |
8628 | ||
8629 | #ifdef CONFIG_GUS | |
8630 | { | |
8631 | "gus", | |
8632 | "Gravis Ultrasound GF1", | |
8633 | 0, | |
8634 | 1, | |
8635 | { .init_isa = GUS_init } | |
8636 | }, | |
8637 | #endif | |
8638 | ||
8639 | #ifdef CONFIG_AC97 | |
8640 | { | |
8641 | "ac97", | |
8642 | "Intel 82801AA AC97 Audio", | |
8643 | 0, | |
8644 | 0, | |
8645 | { .init_pci = ac97_init } | |
8646 | }, | |
8647 | #endif | |
8648 | ||
8649 | { | |
8650 | "es1370", | |
8651 | "ENSONIQ AudioPCI ES1370", | |
8652 | 0, | |
8653 | 0, | |
8654 | { .init_pci = es1370_init } | |
8655 | }, | |
8656 | #endif | |
8657 | ||
8658 | { NULL, NULL, 0, 0, { NULL } } | |
8659 | }; | |
8660 | ||
8661 | static void select_soundhw (const char *optarg) | |
8662 | { | |
8663 | struct soundhw *c; | |
8664 | ||
8665 | if (*optarg == '?') { | |
8666 | show_valid_cards: | |
8667 | ||
8668 | printf ("Valid sound card names (comma separated):\n"); | |
8669 | for (c = soundhw; c->name; ++c) { | |
8670 | printf ("%-11s %s\n", c->name, c->descr); | |
8671 | } | |
8672 | printf ("\n-soundhw all will enable all of the above\n"); | |
8673 | exit (*optarg != '?'); | |
8674 | } | |
8675 | else { | |
8676 | size_t l; | |
8677 | const char *p; | |
8678 | char *e; | |
8679 | int bad_card = 0; | |
8680 | ||
8681 | if (!strcmp (optarg, "all")) { | |
8682 | for (c = soundhw; c->name; ++c) { | |
8683 | c->enabled = 1; | |
8684 | } | |
8685 | return; | |
8686 | } | |
8687 | ||
8688 | p = optarg; | |
8689 | while (*p) { | |
8690 | e = strchr (p, ','); | |
8691 | l = !e ? strlen (p) : (size_t) (e - p); | |
8692 | ||
8693 | for (c = soundhw; c->name; ++c) { | |
8694 | if (!strncmp (c->name, p, l)) { | |
8695 | c->enabled = 1; | |
8696 | break; | |
8697 | } | |
8698 | } | |
8699 | ||
8700 | if (!c->name) { | |
8701 | if (l > 80) { | |
8702 | fprintf (stderr, | |
8703 | "Unknown sound card name (too big to show)\n"); | |
8704 | } | |
8705 | else { | |
8706 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
8707 | (int) l, p); | |
8708 | } | |
8709 | bad_card = 1; | |
8710 | } | |
8711 | p += l + (e != NULL); | |
8712 | } | |
8713 | ||
8714 | if (bad_card) | |
8715 | goto show_valid_cards; | |
8716 | } | |
8717 | } | |
8718 | #endif | |
8719 | ||
8720 | static void select_vgahw (const char *p) | |
8721 | { | |
8722 | const char *opts; | |
8723 | ||
8724 | if (strstart(p, "std", &opts)) { | |
8725 | cirrus_vga_enabled = 0; | |
8726 | vmsvga_enabled = 0; | |
8727 | } else if (strstart(p, "cirrus", &opts)) { | |
8728 | cirrus_vga_enabled = 1; | |
8729 | vmsvga_enabled = 0; | |
8730 | } else if (strstart(p, "vmware", &opts)) { | |
8731 | cirrus_vga_enabled = 0; | |
8732 | vmsvga_enabled = 1; | |
8733 | } else { | |
8734 | invalid_vga: | |
8735 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
8736 | exit(1); | |
8737 | } | |
8738 | while (*opts) { | |
8739 | const char *nextopt; | |
8740 | ||
8741 | if (strstart(opts, ",retrace=", &nextopt)) { | |
8742 | opts = nextopt; | |
8743 | if (strstart(opts, "dumb", &nextopt)) | |
8744 | vga_retrace_method = VGA_RETRACE_DUMB; | |
8745 | else if (strstart(opts, "precise", &nextopt)) | |
8746 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
8747 | else goto invalid_vga; | |
8748 | } else goto invalid_vga; | |
8749 | opts = nextopt; | |
8750 | } | |
8751 | } | |
8752 | ||
8753 | #ifdef _WIN32 | |
8754 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
8755 | { | |
8756 | exit(STATUS_CONTROL_C_EXIT); | |
8757 | return TRUE; | |
8758 | } | |
8759 | #endif | |
8760 | ||
8761 | static int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
8762 | { | |
8763 | int ret; | |
8764 | ||
8765 | if(strlen(str) != 36) | |
8766 | return -1; | |
8767 | ||
8768 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
8769 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
8770 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
8771 | ||
8772 | if(ret != 16) | |
8773 | return -1; | |
8774 | ||
8775 | return 0; | |
8776 | } | |
8777 | ||
8778 | #define MAX_NET_CLIENTS 32 | |
8779 | ||
8780 | #ifndef _WIN32 | |
8781 | ||
8782 | static void termsig_handler(int signal) | |
8783 | { | |
8784 | qemu_system_shutdown_request(); | |
8785 | } | |
8786 | ||
8787 | static void termsig_setup(void) | |
8788 | { | |
8789 | struct sigaction act; | |
8790 | ||
8791 | memset(&act, 0, sizeof(act)); | |
8792 | act.sa_handler = termsig_handler; | |
8793 | sigaction(SIGINT, &act, NULL); | |
8794 | sigaction(SIGHUP, &act, NULL); | |
8795 | sigaction(SIGTERM, &act, NULL); | |
8796 | } | |
8797 | ||
8798 | #endif | |
8799 | ||
8800 | int main(int argc, char **argv) | |
8801 | { | |
8802 | #ifdef CONFIG_GDBSTUB | |
8803 | int use_gdbstub; | |
8804 | const char *gdbstub_port; | |
8805 | #endif | |
8806 | uint32_t boot_devices_bitmap = 0; | |
8807 | int i; | |
8808 | int snapshot, linux_boot, net_boot; | |
8809 | const char *initrd_filename; | |
8810 | const char *kernel_filename, *kernel_cmdline; | |
8811 | const char *boot_devices = ""; | |
8812 | DisplayState *ds = &display_state; | |
8813 | int cyls, heads, secs, translation; | |
8814 | const char *net_clients[MAX_NET_CLIENTS]; | |
8815 | int nb_net_clients; | |
8816 | int hda_index; | |
8817 | int optind; | |
8818 | const char *r, *optarg; | |
8819 | CharDriverState *monitor_hd; | |
8820 | const char *monitor_device; | |
8821 | const char *serial_devices[MAX_SERIAL_PORTS]; | |
8822 | int serial_device_index; | |
8823 | const char *parallel_devices[MAX_PARALLEL_PORTS]; | |
8824 | int parallel_device_index; | |
8825 | const char *loadvm = NULL; | |
8826 | QEMUMachine *machine; | |
8827 | const char *cpu_model; | |
8828 | const char *usb_devices[MAX_USB_CMDLINE]; | |
8829 | int usb_devices_index; | |
8830 | int fds[2]; | |
8831 | int tb_size; | |
8832 | const char *pid_file = NULL; | |
8833 | VLANState *vlan; | |
8834 | int autostart; | |
8835 | const char *incoming = NULL; | |
8836 | ||
8837 | LIST_INIT (&vm_change_state_head); | |
8838 | #ifndef _WIN32 | |
8839 | { | |
8840 | struct sigaction act; | |
8841 | sigfillset(&act.sa_mask); | |
8842 | act.sa_flags = 0; | |
8843 | act.sa_handler = SIG_IGN; | |
8844 | sigaction(SIGPIPE, &act, NULL); | |
8845 | } | |
8846 | #else | |
8847 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
8848 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
8849 | QEMU to run on a single CPU */ | |
8850 | { | |
8851 | HANDLE h; | |
8852 | DWORD mask, smask; | |
8853 | int i; | |
8854 | h = GetCurrentProcess(); | |
8855 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
8856 | for(i = 0; i < 32; i++) { | |
8857 | if (mask & (1 << i)) | |
8858 | break; | |
8859 | } | |
8860 | if (i != 32) { | |
8861 | mask = 1 << i; | |
8862 | SetProcessAffinityMask(h, mask); | |
8863 | } | |
8864 | } | |
8865 | } | |
8866 | #endif | |
8867 | ||
8868 | register_machines(); | |
8869 | machine = first_machine; | |
8870 | cpu_model = NULL; | |
8871 | initrd_filename = NULL; | |
8872 | ram_size = 0; | |
8873 | vga_ram_size = VGA_RAM_SIZE; | |
8874 | #ifdef CONFIG_GDBSTUB | |
8875 | use_gdbstub = 0; | |
8876 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
8877 | #endif | |
8878 | snapshot = 0; | |
8879 | nographic = 0; | |
8880 | curses = 0; | |
8881 | kernel_filename = NULL; | |
8882 | kernel_cmdline = ""; | |
8883 | cyls = heads = secs = 0; | |
8884 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
8885 | monitor_device = "vc"; | |
8886 | ||
8887 | serial_devices[0] = "vc:80Cx24C"; | |
8888 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
8889 | serial_devices[i] = NULL; | |
8890 | serial_device_index = 0; | |
8891 | ||
8892 | parallel_devices[0] = "vc:640x480"; | |
8893 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
8894 | parallel_devices[i] = NULL; | |
8895 | parallel_device_index = 0; | |
8896 | ||
8897 | usb_devices_index = 0; | |
8898 | ||
8899 | nb_net_clients = 0; | |
8900 | nb_drives = 0; | |
8901 | nb_drives_opt = 0; | |
8902 | hda_index = -1; | |
8903 | ||
8904 | nb_nics = 0; | |
8905 | ||
8906 | tb_size = 0; | |
8907 | autostart= 1; | |
8908 | ||
8909 | optind = 1; | |
8910 | for(;;) { | |
8911 | if (optind >= argc) | |
8912 | break; | |
8913 | r = argv[optind]; | |
8914 | if (r[0] != '-') { | |
8915 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); | |
8916 | } else { | |
8917 | const QEMUOption *popt; | |
8918 | ||
8919 | optind++; | |
8920 | /* Treat --foo the same as -foo. */ | |
8921 | if (r[1] == '-') | |
8922 | r++; | |
8923 | popt = qemu_options; | |
8924 | for(;;) { | |
8925 | if (!popt->name) { | |
8926 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
8927 | argv[0], r); | |
8928 | exit(1); | |
8929 | } | |
8930 | if (!strcmp(popt->name, r + 1)) | |
8931 | break; | |
8932 | popt++; | |
8933 | } | |
8934 | if (popt->flags & HAS_ARG) { | |
8935 | if (optind >= argc) { | |
8936 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
8937 | argv[0], r); | |
8938 | exit(1); | |
8939 | } | |
8940 | optarg = argv[optind++]; | |
8941 | } else { | |
8942 | optarg = NULL; | |
8943 | } | |
8944 | ||
8945 | switch(popt->index) { | |
8946 | case QEMU_OPTION_M: | |
8947 | machine = find_machine(optarg); | |
8948 | if (!machine) { | |
8949 | QEMUMachine *m; | |
8950 | printf("Supported machines are:\n"); | |
8951 | for(m = first_machine; m != NULL; m = m->next) { | |
8952 | printf("%-10s %s%s\n", | |
8953 | m->name, m->desc, | |
8954 | m == first_machine ? " (default)" : ""); | |
8955 | } | |
8956 | exit(*optarg != '?'); | |
8957 | } | |
8958 | break; | |
8959 | case QEMU_OPTION_cpu: | |
8960 | /* hw initialization will check this */ | |
8961 | if (*optarg == '?') { | |
8962 | /* XXX: implement xxx_cpu_list for targets that still miss it */ | |
8963 | #if defined(cpu_list) | |
8964 | cpu_list(stdout, &fprintf); | |
8965 | #endif | |
8966 | exit(0); | |
8967 | } else { | |
8968 | cpu_model = optarg; | |
8969 | } | |
8970 | break; | |
8971 | case QEMU_OPTION_initrd: | |
8972 | initrd_filename = optarg; | |
8973 | break; | |
8974 | case QEMU_OPTION_hda: | |
8975 | if (cyls == 0) | |
8976 | hda_index = drive_add(optarg, HD_ALIAS, 0); | |
8977 | else | |
8978 | hda_index = drive_add(optarg, HD_ALIAS | |
8979 | ",cyls=%d,heads=%d,secs=%d%s", | |
8980 | 0, cyls, heads, secs, | |
8981 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
8982 | ",trans=lba" : | |
8983 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
8984 | ",trans=none" : ""); | |
8985 | break; | |
8986 | case QEMU_OPTION_hdb: | |
8987 | case QEMU_OPTION_hdc: | |
8988 | case QEMU_OPTION_hdd: | |
8989 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); | |
8990 | break; | |
8991 | case QEMU_OPTION_drive: | |
8992 | drive_add(NULL, "%s", optarg); | |
8993 | break; | |
8994 | case QEMU_OPTION_mtdblock: | |
8995 | drive_add(optarg, MTD_ALIAS); | |
8996 | break; | |
8997 | case QEMU_OPTION_sd: | |
8998 | drive_add(optarg, SD_ALIAS); | |
8999 | break; | |
9000 | case QEMU_OPTION_pflash: | |
9001 | drive_add(optarg, PFLASH_ALIAS); | |
9002 | break; | |
9003 | case QEMU_OPTION_snapshot: | |
9004 | snapshot = 1; | |
9005 | break; | |
9006 | case QEMU_OPTION_hdachs: | |
9007 | { | |
9008 | const char *p; | |
9009 | p = optarg; | |
9010 | cyls = strtol(p, (char **)&p, 0); | |
9011 | if (cyls < 1 || cyls > 16383) | |
9012 | goto chs_fail; | |
9013 | if (*p != ',') | |
9014 | goto chs_fail; | |
9015 | p++; | |
9016 | heads = strtol(p, (char **)&p, 0); | |
9017 | if (heads < 1 || heads > 16) | |
9018 | goto chs_fail; | |
9019 | if (*p != ',') | |
9020 | goto chs_fail; | |
9021 | p++; | |
9022 | secs = strtol(p, (char **)&p, 0); | |
9023 | if (secs < 1 || secs > 63) | |
9024 | goto chs_fail; | |
9025 | if (*p == ',') { | |
9026 | p++; | |
9027 | if (!strcmp(p, "none")) | |
9028 | translation = BIOS_ATA_TRANSLATION_NONE; | |
9029 | else if (!strcmp(p, "lba")) | |
9030 | translation = BIOS_ATA_TRANSLATION_LBA; | |
9031 | else if (!strcmp(p, "auto")) | |
9032 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
9033 | else | |
9034 | goto chs_fail; | |
9035 | } else if (*p != '\0') { | |
9036 | chs_fail: | |
9037 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
9038 | exit(1); | |
9039 | } | |
9040 | if (hda_index != -1) | |
9041 | snprintf(drives_opt[hda_index].opt, | |
9042 | sizeof(drives_opt[hda_index].opt), | |
9043 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", | |
9044 | 0, cyls, heads, secs, | |
9045 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
9046 | ",trans=lba" : | |
9047 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
9048 | ",trans=none" : ""); | |
9049 | } | |
9050 | break; | |
9051 | case QEMU_OPTION_nographic: | |
9052 | nographic = 1; | |
9053 | break; | |
9054 | #ifdef CONFIG_CURSES | |
9055 | case QEMU_OPTION_curses: | |
9056 | curses = 1; | |
9057 | break; | |
9058 | #endif | |
9059 | case QEMU_OPTION_portrait: | |
9060 | graphic_rotate = 1; | |
9061 | break; | |
9062 | case QEMU_OPTION_kernel: | |
9063 | kernel_filename = optarg; | |
9064 | break; | |
9065 | case QEMU_OPTION_append: | |
9066 | kernel_cmdline = optarg; | |
9067 | break; | |
9068 | case QEMU_OPTION_cdrom: | |
9069 | drive_add(optarg, CDROM_ALIAS); | |
9070 | break; | |
9071 | case QEMU_OPTION_boot: | |
9072 | boot_devices = optarg; | |
9073 | /* We just do some generic consistency checks */ | |
9074 | { | |
9075 | /* Could easily be extended to 64 devices if needed */ | |
9076 | const char *p; | |
9077 | ||
9078 | boot_devices_bitmap = 0; | |
9079 | for (p = boot_devices; *p != '\0'; p++) { | |
9080 | /* Allowed boot devices are: | |
9081 | * a b : floppy disk drives | |
9082 | * c ... f : IDE disk drives | |
9083 | * g ... m : machine implementation dependant drives | |
9084 | * n ... p : network devices | |
9085 | * It's up to each machine implementation to check | |
9086 | * if the given boot devices match the actual hardware | |
9087 | * implementation and firmware features. | |
9088 | */ | |
9089 | if (*p < 'a' || *p > 'q') { | |
9090 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
9091 | exit(1); | |
9092 | } | |
9093 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { | |
9094 | fprintf(stderr, | |
9095 | "Boot device '%c' was given twice\n",*p); | |
9096 | exit(1); | |
9097 | } | |
9098 | boot_devices_bitmap |= 1 << (*p - 'a'); | |
9099 | } | |
9100 | } | |
9101 | break; | |
9102 | case QEMU_OPTION_fda: | |
9103 | case QEMU_OPTION_fdb: | |
9104 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); | |
9105 | break; | |
9106 | #ifdef TARGET_I386 | |
9107 | case QEMU_OPTION_no_fd_bootchk: | |
9108 | fd_bootchk = 0; | |
9109 | break; | |
9110 | #endif | |
9111 | case QEMU_OPTION_net: | |
9112 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
9113 | fprintf(stderr, "qemu: too many network clients\n"); | |
9114 | exit(1); | |
9115 | } | |
9116 | net_clients[nb_net_clients] = optarg; | |
9117 | nb_net_clients++; | |
9118 | break; | |
9119 | #ifdef CONFIG_SLIRP | |
9120 | case QEMU_OPTION_tftp: | |
9121 | tftp_prefix = optarg; | |
9122 | break; | |
9123 | case QEMU_OPTION_bootp: | |
9124 | bootp_filename = optarg; | |
9125 | break; | |
9126 | #ifndef _WIN32 | |
9127 | case QEMU_OPTION_smb: | |
9128 | net_slirp_smb(optarg); | |
9129 | break; | |
9130 | #endif | |
9131 | case QEMU_OPTION_redir: | |
9132 | net_slirp_redir(optarg); | |
9133 | break; | |
9134 | #endif | |
9135 | #ifdef HAS_AUDIO | |
9136 | case QEMU_OPTION_audio_help: | |
9137 | AUD_help (); | |
9138 | exit (0); | |
9139 | break; | |
9140 | case QEMU_OPTION_soundhw: | |
9141 | select_soundhw (optarg); | |
9142 | break; | |
9143 | #endif | |
9144 | case QEMU_OPTION_h: | |
9145 | help(0); | |
9146 | break; | |
9147 | case QEMU_OPTION_m: { | |
9148 | uint64_t value; | |
9149 | char *ptr; | |
9150 | ||
9151 | value = strtoul(optarg, &ptr, 10); | |
9152 | switch (*ptr) { | |
9153 | case 0: case 'M': case 'm': | |
9154 | value <<= 20; | |
9155 | break; | |
9156 | case 'G': case 'g': | |
9157 | value <<= 30; | |
9158 | break; | |
9159 | default: | |
9160 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
9161 | exit(1); | |
9162 | } | |
9163 | ||
9164 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
9165 | if (value > (2047 << 20) | |
9166 | #ifndef USE_KQEMU | |
9167 | && HOST_LONG_BITS == 32 | |
9168 | #endif | |
9169 | ) { | |
9170 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); | |
9171 | exit(1); | |
9172 | } | |
9173 | if (value != (uint64_t)(ram_addr_t)value) { | |
9174 | fprintf(stderr, "qemu: ram size too large\n"); | |
9175 | exit(1); | |
9176 | } | |
9177 | ram_size = value; | |
9178 | break; | |
9179 | } | |
9180 | case QEMU_OPTION_d: | |
9181 | { | |
9182 | int mask; | |
9183 | const CPULogItem *item; | |
9184 | ||
9185 | mask = cpu_str_to_log_mask(optarg); | |
9186 | if (!mask) { | |
9187 | printf("Log items (comma separated):\n"); | |
9188 | for(item = cpu_log_items; item->mask != 0; item++) { | |
9189 | printf("%-10s %s\n", item->name, item->help); | |
9190 | } | |
9191 | exit(1); | |
9192 | } | |
9193 | cpu_set_log(mask); | |
9194 | } | |
9195 | break; | |
9196 | #ifdef CONFIG_GDBSTUB | |
9197 | case QEMU_OPTION_s: | |
9198 | use_gdbstub = 1; | |
9199 | break; | |
9200 | case QEMU_OPTION_p: | |
9201 | gdbstub_port = optarg; | |
9202 | break; | |
9203 | #endif | |
9204 | case QEMU_OPTION_L: | |
9205 | bios_dir = optarg; | |
9206 | break; | |
9207 | case QEMU_OPTION_bios: | |
9208 | bios_name = optarg; | |
9209 | break; | |
9210 | case QEMU_OPTION_S: | |
9211 | autostart = 0; | |
9212 | break; | |
9213 | case QEMU_OPTION_k: | |
9214 | keyboard_layout = optarg; | |
9215 | break; | |
9216 | case QEMU_OPTION_localtime: | |
9217 | rtc_utc = 0; | |
9218 | break; | |
9219 | case QEMU_OPTION_vga: | |
9220 | select_vgahw (optarg); | |
9221 | break; | |
9222 | case QEMU_OPTION_g: | |
9223 | { | |
9224 | const char *p; | |
9225 | int w, h, depth; | |
9226 | p = optarg; | |
9227 | w = strtol(p, (char **)&p, 10); | |
9228 | if (w <= 0) { | |
9229 | graphic_error: | |
9230 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
9231 | exit(1); | |
9232 | } | |
9233 | if (*p != 'x') | |
9234 | goto graphic_error; | |
9235 | p++; | |
9236 | h = strtol(p, (char **)&p, 10); | |
9237 | if (h <= 0) | |
9238 | goto graphic_error; | |
9239 | if (*p == 'x') { | |
9240 | p++; | |
9241 | depth = strtol(p, (char **)&p, 10); | |
9242 | if (depth != 8 && depth != 15 && depth != 16 && | |
9243 | depth != 24 && depth != 32) | |
9244 | goto graphic_error; | |
9245 | } else if (*p == '\0') { | |
9246 | depth = graphic_depth; | |
9247 | } else { | |
9248 | goto graphic_error; | |
9249 | } | |
9250 | ||
9251 | graphic_width = w; | |
9252 | graphic_height = h; | |
9253 | graphic_depth = depth; | |
9254 | } | |
9255 | break; | |
9256 | case QEMU_OPTION_echr: | |
9257 | { | |
9258 | char *r; | |
9259 | term_escape_char = strtol(optarg, &r, 0); | |
9260 | if (r == optarg) | |
9261 | printf("Bad argument to echr\n"); | |
9262 | break; | |
9263 | } | |
9264 | case QEMU_OPTION_monitor: | |
9265 | monitor_device = optarg; | |
9266 | break; | |
9267 | case QEMU_OPTION_serial: | |
9268 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
9269 | fprintf(stderr, "qemu: too many serial ports\n"); | |
9270 | exit(1); | |
9271 | } | |
9272 | serial_devices[serial_device_index] = optarg; | |
9273 | serial_device_index++; | |
9274 | break; | |
9275 | case QEMU_OPTION_parallel: | |
9276 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
9277 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
9278 | exit(1); | |
9279 | } | |
9280 | parallel_devices[parallel_device_index] = optarg; | |
9281 | parallel_device_index++; | |
9282 | break; | |
9283 | case QEMU_OPTION_loadvm: | |
9284 | loadvm = optarg; | |
9285 | break; | |
9286 | case QEMU_OPTION_full_screen: | |
9287 | full_screen = 1; | |
9288 | break; | |
9289 | #ifdef CONFIG_SDL | |
9290 | case QEMU_OPTION_no_frame: | |
9291 | no_frame = 1; | |
9292 | break; | |
9293 | case QEMU_OPTION_alt_grab: | |
9294 | alt_grab = 1; | |
9295 | break; | |
9296 | case QEMU_OPTION_no_quit: | |
9297 | no_quit = 1; | |
9298 | break; | |
9299 | #endif | |
9300 | case QEMU_OPTION_pidfile: | |
9301 | pid_file = optarg; | |
9302 | break; | |
9303 | #ifdef TARGET_I386 | |
9304 | case QEMU_OPTION_win2k_hack: | |
9305 | win2k_install_hack = 1; | |
9306 | break; | |
9307 | #endif | |
9308 | #ifdef USE_KQEMU | |
9309 | case QEMU_OPTION_no_kqemu: | |
9310 | kqemu_allowed = 0; | |
9311 | break; | |
9312 | case QEMU_OPTION_kernel_kqemu: | |
9313 | kqemu_allowed = 2; | |
9314 | break; | |
9315 | #endif | |
9316 | case QEMU_OPTION_usb: | |
9317 | usb_enabled = 1; | |
9318 | break; | |
9319 | case QEMU_OPTION_usbdevice: | |
9320 | usb_enabled = 1; | |
9321 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
9322 | fprintf(stderr, "Too many USB devices\n"); | |
9323 | exit(1); | |
9324 | } | |
9325 | usb_devices[usb_devices_index] = optarg; | |
9326 | usb_devices_index++; | |
9327 | break; | |
9328 | case QEMU_OPTION_smp: | |
9329 | smp_cpus = atoi(optarg); | |
9330 | if (smp_cpus < 1) { | |
9331 | fprintf(stderr, "Invalid number of CPUs\n"); | |
9332 | exit(1); | |
9333 | } | |
9334 | break; | |
9335 | case QEMU_OPTION_vnc: | |
9336 | vnc_display = optarg; | |
9337 | break; | |
9338 | case QEMU_OPTION_no_acpi: | |
9339 | acpi_enabled = 0; | |
9340 | break; | |
9341 | case QEMU_OPTION_no_reboot: | |
9342 | no_reboot = 1; | |
9343 | break; | |
9344 | case QEMU_OPTION_no_shutdown: | |
9345 | no_shutdown = 1; | |
9346 | break; | |
9347 | case QEMU_OPTION_show_cursor: | |
9348 | cursor_hide = 0; | |
9349 | break; | |
9350 | case QEMU_OPTION_uuid: | |
9351 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
9352 | fprintf(stderr, "Fail to parse UUID string." | |
9353 | " Wrong format.\n"); | |
9354 | exit(1); | |
9355 | } | |
9356 | break; | |
9357 | case QEMU_OPTION_daemonize: | |
9358 | daemonize = 1; | |
9359 | break; | |
9360 | case QEMU_OPTION_option_rom: | |
9361 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
9362 | fprintf(stderr, "Too many option ROMs\n"); | |
9363 | exit(1); | |
9364 | } | |
9365 | option_rom[nb_option_roms] = optarg; | |
9366 | nb_option_roms++; | |
9367 | break; | |
9368 | case QEMU_OPTION_semihosting: | |
9369 | semihosting_enabled = 1; | |
9370 | break; | |
9371 | case QEMU_OPTION_name: | |
9372 | qemu_name = optarg; | |
9373 | break; | |
9374 | #ifdef TARGET_SPARC | |
9375 | case QEMU_OPTION_prom_env: | |
9376 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
9377 | fprintf(stderr, "Too many prom variables\n"); | |
9378 | exit(1); | |
9379 | } | |
9380 | prom_envs[nb_prom_envs] = optarg; | |
9381 | nb_prom_envs++; | |
9382 | break; | |
9383 | #endif | |
9384 | #ifdef TARGET_ARM | |
9385 | case QEMU_OPTION_old_param: | |
9386 | old_param = 1; | |
9387 | break; | |
9388 | #endif | |
9389 | case QEMU_OPTION_clock: | |
9390 | configure_alarms(optarg); | |
9391 | break; | |
9392 | case QEMU_OPTION_startdate: | |
9393 | { | |
9394 | struct tm tm; | |
9395 | time_t rtc_start_date; | |
9396 | if (!strcmp(optarg, "now")) { | |
9397 | rtc_date_offset = -1; | |
9398 | } else { | |
9399 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", | |
9400 | &tm.tm_year, | |
9401 | &tm.tm_mon, | |
9402 | &tm.tm_mday, | |
9403 | &tm.tm_hour, | |
9404 | &tm.tm_min, | |
9405 | &tm.tm_sec) == 6) { | |
9406 | /* OK */ | |
9407 | } else if (sscanf(optarg, "%d-%d-%d", | |
9408 | &tm.tm_year, | |
9409 | &tm.tm_mon, | |
9410 | &tm.tm_mday) == 3) { | |
9411 | tm.tm_hour = 0; | |
9412 | tm.tm_min = 0; | |
9413 | tm.tm_sec = 0; | |
9414 | } else { | |
9415 | goto date_fail; | |
9416 | } | |
9417 | tm.tm_year -= 1900; | |
9418 | tm.tm_mon--; | |
9419 | rtc_start_date = mktimegm(&tm); | |
9420 | if (rtc_start_date == -1) { | |
9421 | date_fail: | |
9422 | fprintf(stderr, "Invalid date format. Valid format are:\n" | |
9423 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); | |
9424 | exit(1); | |
9425 | } | |
9426 | rtc_date_offset = time(NULL) - rtc_start_date; | |
9427 | } | |
9428 | } | |
9429 | break; | |
9430 | case QEMU_OPTION_tb_size: | |
9431 | tb_size = strtol(optarg, NULL, 0); | |
9432 | if (tb_size < 0) | |
9433 | tb_size = 0; | |
9434 | break; | |
9435 | case QEMU_OPTION_icount: | |
9436 | use_icount = 1; | |
9437 | if (strcmp(optarg, "auto") == 0) { | |
9438 | icount_time_shift = -1; | |
9439 | } else { | |
9440 | icount_time_shift = strtol(optarg, NULL, 0); | |
9441 | } | |
9442 | break; | |
9443 | case QEMU_OPTION_incoming: | |
9444 | incoming = optarg; | |
9445 | break; | |
9446 | } | |
9447 | } | |
9448 | } | |
9449 | ||
9450 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ | |
9451 | if (smp_cpus > machine->max_cpus) { | |
9452 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
9453 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
9454 | machine->max_cpus); | |
9455 | exit(1); | |
9456 | } | |
9457 | ||
9458 | if (nographic) { | |
9459 | if (serial_device_index == 0) | |
9460 | serial_devices[0] = "stdio"; | |
9461 | if (parallel_device_index == 0) | |
9462 | parallel_devices[0] = "null"; | |
9463 | if (strncmp(monitor_device, "vc", 2) == 0) | |
9464 | monitor_device = "stdio"; | |
9465 | } | |
9466 | ||
9467 | #ifndef _WIN32 | |
9468 | if (daemonize) { | |
9469 | pid_t pid; | |
9470 | ||
9471 | if (pipe(fds) == -1) | |
9472 | exit(1); | |
9473 | ||
9474 | pid = fork(); | |
9475 | if (pid > 0) { | |
9476 | uint8_t status; | |
9477 | ssize_t len; | |
9478 | ||
9479 | close(fds[1]); | |
9480 | ||
9481 | again: | |
9482 | len = read(fds[0], &status, 1); | |
9483 | if (len == -1 && (errno == EINTR)) | |
9484 | goto again; | |
9485 | ||
9486 | if (len != 1) | |
9487 | exit(1); | |
9488 | else if (status == 1) { | |
9489 | fprintf(stderr, "Could not acquire pidfile\n"); | |
9490 | exit(1); | |
9491 | } else | |
9492 | exit(0); | |
9493 | } else if (pid < 0) | |
9494 | exit(1); | |
9495 | ||
9496 | setsid(); | |
9497 | ||
9498 | pid = fork(); | |
9499 | if (pid > 0) | |
9500 | exit(0); | |
9501 | else if (pid < 0) | |
9502 | exit(1); | |
9503 | ||
9504 | umask(027); | |
9505 | ||
9506 | signal(SIGTSTP, SIG_IGN); | |
9507 | signal(SIGTTOU, SIG_IGN); | |
9508 | signal(SIGTTIN, SIG_IGN); | |
9509 | } | |
9510 | #endif | |
9511 | ||
9512 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { | |
9513 | if (daemonize) { | |
9514 | uint8_t status = 1; | |
9515 | write(fds[1], &status, 1); | |
9516 | } else | |
9517 | fprintf(stderr, "Could not acquire pid file\n"); | |
9518 | exit(1); | |
9519 | } | |
9520 | ||
9521 | #ifdef USE_KQEMU | |
9522 | if (smp_cpus > 1) | |
9523 | kqemu_allowed = 0; | |
9524 | #endif | |
9525 | linux_boot = (kernel_filename != NULL); | |
9526 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; | |
9527 | ||
9528 | if (!linux_boot && net_boot == 0 && | |
9529 | !machine->nodisk_ok && nb_drives_opt == 0) | |
9530 | help(1); | |
9531 | ||
9532 | if (!linux_boot && *kernel_cmdline != '\0') { | |
9533 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
9534 | exit(1); | |
9535 | } | |
9536 | ||
9537 | if (!linux_boot && initrd_filename != NULL) { | |
9538 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
9539 | exit(1); | |
9540 | } | |
9541 | ||
9542 | /* boot to floppy or the default cd if no hard disk defined yet */ | |
9543 | if (!boot_devices[0]) { | |
9544 | boot_devices = "cad"; | |
9545 | } | |
9546 | setvbuf(stdout, NULL, _IOLBF, 0); | |
9547 | ||
9548 | init_timers(); | |
9549 | init_timer_alarm(); | |
9550 | if (use_icount && icount_time_shift < 0) { | |
9551 | use_icount = 2; | |
9552 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
9553 | It will be corrected fairly quickly anyway. */ | |
9554 | icount_time_shift = 3; | |
9555 | init_icount_adjust(); | |
9556 | } | |
9557 | ||
9558 | #ifdef _WIN32 | |
9559 | socket_init(); | |
9560 | #endif | |
9561 | ||
9562 | /* init network clients */ | |
9563 | if (nb_net_clients == 0) { | |
9564 | /* if no clients, we use a default config */ | |
9565 | net_clients[nb_net_clients++] = "nic"; | |
9566 | #ifdef CONFIG_SLIRP | |
9567 | net_clients[nb_net_clients++] = "user"; | |
9568 | #endif | |
9569 | } | |
9570 | ||
9571 | for(i = 0;i < nb_net_clients; i++) { | |
9572 | if (net_client_parse(net_clients[i]) < 0) | |
9573 | exit(1); | |
9574 | } | |
9575 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
9576 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) | |
9577 | continue; | |
9578 | if (vlan->nb_guest_devs == 0) | |
9579 | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); | |
9580 | if (vlan->nb_host_devs == 0) | |
9581 | fprintf(stderr, | |
9582 | "Warning: vlan %d is not connected to host network\n", | |
9583 | vlan->id); | |
9584 | } | |
9585 | ||
9586 | #ifdef TARGET_I386 | |
9587 | /* XXX: this should be moved in the PC machine instantiation code */ | |
9588 | if (net_boot != 0) { | |
9589 | int netroms = 0; | |
9590 | for (i = 0; i < nb_nics && i < 4; i++) { | |
9591 | const char *model = nd_table[i].model; | |
9592 | char buf[1024]; | |
9593 | if (net_boot & (1 << i)) { | |
9594 | if (model == NULL) | |
9595 | model = "ne2k_pci"; | |
9596 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); | |
9597 | if (get_image_size(buf) > 0) { | |
9598 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
9599 | fprintf(stderr, "Too many option ROMs\n"); | |
9600 | exit(1); | |
9601 | } | |
9602 | option_rom[nb_option_roms] = strdup(buf); | |
9603 | nb_option_roms++; | |
9604 | netroms++; | |
9605 | } | |
9606 | } | |
9607 | } | |
9608 | if (netroms == 0) { | |
9609 | fprintf(stderr, "No valid PXE rom found for network device\n"); | |
9610 | exit(1); | |
9611 | } | |
9612 | } | |
9613 | #endif | |
9614 | ||
9615 | /* init the memory */ | |
9616 | phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; | |
9617 | ||
9618 | if (machine->ram_require & RAMSIZE_FIXED) { | |
9619 | if (ram_size > 0) { | |
9620 | if (ram_size < phys_ram_size) { | |
9621 | fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n", | |
9622 | machine->name, (unsigned long long) phys_ram_size); | |
9623 | exit(-1); | |
9624 | } | |
9625 | ||
9626 | phys_ram_size = ram_size; | |
9627 | } else | |
9628 | ram_size = phys_ram_size; | |
9629 | } else { | |
9630 | if (ram_size == 0) | |
9631 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
9632 | ||
9633 | phys_ram_size += ram_size; | |
9634 | } | |
9635 | ||
9636 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
9637 | if (!phys_ram_base) { | |
9638 | fprintf(stderr, "Could not allocate physical memory\n"); | |
9639 | exit(1); | |
9640 | } | |
9641 | ||
9642 | /* init the dynamic translator */ | |
9643 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
9644 | ||
9645 | bdrv_init(); | |
9646 | ||
9647 | /* we always create the cdrom drive, even if no disk is there */ | |
9648 | ||
9649 | if (nb_drives_opt < MAX_DRIVES) | |
9650 | drive_add(NULL, CDROM_ALIAS); | |
9651 | ||
9652 | /* we always create at least one floppy */ | |
9653 | ||
9654 | if (nb_drives_opt < MAX_DRIVES) | |
9655 | drive_add(NULL, FD_ALIAS, 0); | |
9656 | ||
9657 | /* we always create one sd slot, even if no card is in it */ | |
9658 | ||
9659 | if (nb_drives_opt < MAX_DRIVES) | |
9660 | drive_add(NULL, SD_ALIAS); | |
9661 | ||
9662 | /* open the virtual block devices */ | |
9663 | ||
9664 | for(i = 0; i < nb_drives_opt; i++) | |
9665 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) | |
9666 | exit(1); | |
9667 | ||
9668 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
9669 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); | |
9670 | ||
9671 | /* terminal init */ | |
9672 | memset(&display_state, 0, sizeof(display_state)); | |
9673 | if (nographic) { | |
9674 | if (curses) { | |
9675 | fprintf(stderr, "fatal: -nographic can't be used with -curses\n"); | |
9676 | exit(1); | |
9677 | } | |
9678 | /* nearly nothing to do */ | |
9679 | dumb_display_init(ds); | |
9680 | } else if (vnc_display != NULL) { | |
9681 | vnc_display_init(ds); | |
9682 | if (vnc_display_open(ds, vnc_display) < 0) | |
9683 | exit(1); | |
9684 | } else | |
9685 | #if defined(CONFIG_CURSES) | |
9686 | if (curses) { | |
9687 | curses_display_init(ds, full_screen); | |
9688 | } else | |
9689 | #endif | |
9690 | { | |
9691 | #if defined(CONFIG_SDL) | |
9692 | sdl_display_init(ds, full_screen, no_frame); | |
9693 | #elif defined(CONFIG_COCOA) | |
9694 | cocoa_display_init(ds, full_screen); | |
9695 | #else | |
9696 | dumb_display_init(ds); | |
9697 | #endif | |
9698 | } | |
9699 | ||
9700 | #ifndef _WIN32 | |
9701 | /* must be after terminal init, SDL library changes signal handlers */ | |
9702 | termsig_setup(); | |
9703 | #endif | |
9704 | ||
9705 | /* Maintain compatibility with multiple stdio monitors */ | |
9706 | if (!strcmp(monitor_device,"stdio")) { | |
9707 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
9708 | const char *devname = serial_devices[i]; | |
9709 | if (devname && !strcmp(devname,"mon:stdio")) { | |
9710 | monitor_device = NULL; | |
9711 | break; | |
9712 | } else if (devname && !strcmp(devname,"stdio")) { | |
9713 | monitor_device = NULL; | |
9714 | serial_devices[i] = "mon:stdio"; | |
9715 | break; | |
9716 | } | |
9717 | } | |
9718 | } | |
9719 | if (monitor_device) { | |
9720 | monitor_hd = qemu_chr_open("monitor", monitor_device); | |
9721 | if (!monitor_hd) { | |
9722 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
9723 | exit(1); | |
9724 | } | |
9725 | monitor_init(monitor_hd, !nographic); | |
9726 | } | |
9727 | ||
9728 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
9729 | const char *devname = serial_devices[i]; | |
9730 | if (devname && strcmp(devname, "none")) { | |
9731 | char label[32]; | |
9732 | snprintf(label, sizeof(label), "serial%d", i); | |
9733 | serial_hds[i] = qemu_chr_open(label, devname); | |
9734 | if (!serial_hds[i]) { | |
9735 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
9736 | devname); | |
9737 | exit(1); | |
9738 | } | |
9739 | if (strstart(devname, "vc", 0)) | |
9740 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
9741 | } | |
9742 | } | |
9743 | ||
9744 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
9745 | const char *devname = parallel_devices[i]; | |
9746 | if (devname && strcmp(devname, "none")) { | |
9747 | char label[32]; | |
9748 | snprintf(label, sizeof(label), "parallel%d", i); | |
9749 | parallel_hds[i] = qemu_chr_open(label, devname); | |
9750 | if (!parallel_hds[i]) { | |
9751 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
9752 | devname); | |
9753 | exit(1); | |
9754 | } | |
9755 | if (strstart(devname, "vc", 0)) | |
9756 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
9757 | } | |
9758 | } | |
9759 | ||
9760 | machine->init(ram_size, vga_ram_size, boot_devices, ds, | |
9761 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
9762 | ||
9763 | /* init USB devices */ | |
9764 | if (usb_enabled) { | |
9765 | for(i = 0; i < usb_devices_index; i++) { | |
9766 | if (usb_device_add(usb_devices[i]) < 0) { | |
9767 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
9768 | usb_devices[i]); | |
9769 | } | |
9770 | } | |
9771 | } | |
9772 | ||
9773 | if (display_state.dpy_refresh) { | |
9774 | display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); | |
9775 | qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); | |
9776 | } | |
9777 | ||
9778 | #ifdef CONFIG_GDBSTUB | |
9779 | if (use_gdbstub) { | |
9780 | /* XXX: use standard host:port notation and modify options | |
9781 | accordingly. */ | |
9782 | if (gdbserver_start(gdbstub_port) < 0) { | |
9783 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", | |
9784 | gdbstub_port); | |
9785 | exit(1); | |
9786 | } | |
9787 | } | |
9788 | #endif | |
9789 | ||
9790 | if (loadvm) | |
9791 | do_loadvm(loadvm); | |
9792 | ||
9793 | if (incoming) { | |
9794 | autostart = 0; /* fixme how to deal with -daemonize */ | |
9795 | qemu_start_incoming_migration(incoming); | |
9796 | } | |
9797 | ||
9798 | { | |
9799 | /* XXX: simplify init */ | |
9800 | read_passwords(); | |
9801 | if (autostart) { | |
9802 | vm_start(); | |
9803 | } | |
9804 | } | |
9805 | ||
9806 | if (daemonize) { | |
9807 | uint8_t status = 0; | |
9808 | ssize_t len; | |
9809 | int fd; | |
9810 | ||
9811 | again1: | |
9812 | len = write(fds[1], &status, 1); | |
9813 | if (len == -1 && (errno == EINTR)) | |
9814 | goto again1; | |
9815 | ||
9816 | if (len != 1) | |
9817 | exit(1); | |
9818 | ||
9819 | chdir("/"); | |
9820 | TFR(fd = open("/dev/null", O_RDWR)); | |
9821 | if (fd == -1) | |
9822 | exit(1); | |
9823 | ||
9824 | dup2(fd, 0); | |
9825 | dup2(fd, 1); | |
9826 | dup2(fd, 2); | |
9827 | ||
9828 | close(fd); | |
9829 | } | |
9830 | ||
9831 | main_loop(); | |
9832 | quit_timers(); | |
9833 | ||
9834 | #if !defined(_WIN32) | |
9835 | /* close network clients */ | |
9836 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
9837 | VLANClientState *vc; | |
9838 | ||
9839 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
9840 | if (vc->fd_read == tap_receive) { | |
9841 | char ifname[64]; | |
9842 | TAPState *s = vc->opaque; | |
9843 | ||
9844 | if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 && | |
9845 | s->down_script[0]) | |
9846 | launch_script(s->down_script, ifname, s->fd); | |
9847 | } | |
9848 | #if defined(CONFIG_VDE) | |
9849 | if (vc->fd_read == vde_from_qemu) { | |
9850 | VDEState *s = vc->opaque; | |
9851 | vde_close(s->vde); | |
9852 | } | |
9853 | #endif | |
9854 | } | |
9855 | } | |
9856 | #endif | |
9857 | return 0; | |
9858 | } |