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Commit | Line | Data |
---|---|---|
e3aff4f6 AL |
1 | /* |
2 | * Command line utility to exercise the QEMU I/O path. | |
3 | * | |
4 | * Copyright (C) 2009 Red Hat, Inc. | |
5 | * Copyright (c) 2003-2005 Silicon Graphics, Inc. | |
6 | * | |
7 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
8 | * See the COPYING file in the top-level directory. | |
9 | */ | |
80c71a24 | 10 | #include "qemu/osdep.h" |
e3aff4f6 | 11 | #include <getopt.h> |
c32d766a | 12 | #include <libgen.h> |
e3aff4f6 | 13 | |
da34e65c | 14 | #include "qapi/error.h" |
3d21994f | 15 | #include "qemu-io.h" |
d49b6836 | 16 | #include "qemu/error-report.h" |
1de7afc9 | 17 | #include "qemu/main-loop.h" |
b543c5cd HR |
18 | #include "qemu/option.h" |
19 | #include "qemu/config-file.h" | |
0cf17e18 | 20 | #include "qemu/readline.h" |
d49b6836 | 21 | #include "qapi/qmp/qstring.h" |
9ba371b6 | 22 | #include "qom/object_interfaces.h" |
26f54e9a | 23 | #include "sysemu/block-backend.h" |
737e150e | 24 | #include "block/block_int.h" |
d7bb72c8 | 25 | #include "trace/control.h" |
e3aff4f6 | 26 | |
43642b38 | 27 | #define CMD_NOFILE_OK 0x01 |
e3aff4f6 | 28 | |
f9883880 | 29 | static char *progname; |
e3aff4f6 | 30 | |
26f54e9a | 31 | static BlockBackend *qemuio_blk; |
191c2890 | 32 | |
d1174f13 KW |
33 | /* qemu-io commands passed using -c */ |
34 | static int ncmdline; | |
35 | static char **cmdline; | |
499afa25 | 36 | static bool imageOpts; |
d1174f13 | 37 | |
0cf17e18 SH |
38 | static ReadLineState *readline_state; |
39 | ||
4c7b7e9b | 40 | static int close_f(BlockBackend *blk, int argc, char **argv) |
e3aff4f6 | 41 | { |
26f54e9a | 42 | blk_unref(qemuio_blk); |
26f54e9a | 43 | qemuio_blk = NULL; |
43642b38 | 44 | return 0; |
e3aff4f6 AL |
45 | } |
46 | ||
47 | static const cmdinfo_t close_cmd = { | |
43642b38 DN |
48 | .name = "close", |
49 | .altname = "c", | |
50 | .cfunc = close_f, | |
51 | .oneline = "close the current open file", | |
e3aff4f6 AL |
52 | }; |
53 | ||
10d9d75c | 54 | static int openfile(char *name, int flags, QDict *opts) |
e3aff4f6 | 55 | { |
34b5d2c6 | 56 | Error *local_err = NULL; |
8caf0212 | 57 | BlockDriverState *bs; |
34b5d2c6 | 58 | |
1b58b438 | 59 | if (qemuio_blk) { |
b9884681 | 60 | error_report("file open already, try 'help close'"); |
29f2601a | 61 | QDECREF(opts); |
43642b38 DN |
62 | return 1; |
63 | } | |
64 | ||
efaa7c4e | 65 | qemuio_blk = blk_new_open(name, NULL, opts, flags, &local_err); |
1b58b438 | 66 | if (!qemuio_blk) { |
b9884681 MA |
67 | error_reportf_err(local_err, "can't open%s%s: ", |
68 | name ? " device " : "", name ?: ""); | |
dbb651c4 | 69 | return 1; |
43642b38 DN |
70 | } |
71 | ||
8caf0212 DB |
72 | bs = blk_bs(qemuio_blk); |
73 | if (bdrv_is_encrypted(bs)) { | |
74 | char password[256]; | |
75 | printf("Disk image '%s' is encrypted.\n", name); | |
76 | if (qemu_read_password(password, sizeof(password)) < 0) { | |
77 | error_report("No password given"); | |
78 | goto error; | |
79 | } | |
80 | if (bdrv_set_key(bs, password) < 0) { | |
81 | error_report("invalid password"); | |
82 | goto error; | |
83 | } | |
84 | } | |
85 | ||
86 | ||
43642b38 | 87 | return 0; |
8caf0212 DB |
88 | |
89 | error: | |
90 | blk_unref(qemuio_blk); | |
91 | qemuio_blk = NULL; | |
92 | return 1; | |
e3aff4f6 AL |
93 | } |
94 | ||
43642b38 | 95 | static void open_help(void) |
e3aff4f6 | 96 | { |
43642b38 | 97 | printf( |
e3aff4f6 AL |
98 | "\n" |
99 | " opens a new file in the requested mode\n" | |
100 | "\n" | |
101 | " Example:\n" | |
102 | " 'open -Cn /tmp/data' - creates/opens data file read-write and uncached\n" | |
103 | "\n" | |
104 | " Opens a file for subsequent use by all of the other qemu-io commands.\n" | |
e3aff4f6 AL |
105 | " -r, -- open file read-only\n" |
106 | " -s, -- use snapshot file\n" | |
107 | " -n, -- disable host cache\n" | |
b543c5cd | 108 | " -o, -- options to be given to the block driver" |
e3aff4f6 AL |
109 | "\n"); |
110 | } | |
111 | ||
4c7b7e9b | 112 | static int open_f(BlockBackend *blk, int argc, char **argv); |
22a2bdcb BS |
113 | |
114 | static const cmdinfo_t open_cmd = { | |
43642b38 DN |
115 | .name = "open", |
116 | .altname = "o", | |
117 | .cfunc = open_f, | |
118 | .argmin = 1, | |
119 | .argmax = -1, | |
120 | .flags = CMD_NOFILE_OK, | |
b543c5cd | 121 | .args = "[-Crsn] [-o options] [path]", |
43642b38 DN |
122 | .oneline = "open the file specified by path", |
123 | .help = open_help, | |
22a2bdcb | 124 | }; |
e3aff4f6 | 125 | |
b543c5cd HR |
126 | static QemuOptsList empty_opts = { |
127 | .name = "drive", | |
443422fd | 128 | .merge_lists = true, |
b543c5cd HR |
129 | .head = QTAILQ_HEAD_INITIALIZER(empty_opts.head), |
130 | .desc = { | |
131 | /* no elements => accept any params */ | |
132 | { /* end of list */ } | |
133 | }, | |
134 | }; | |
135 | ||
4c7b7e9b | 136 | static int open_f(BlockBackend *blk, int argc, char **argv) |
e3aff4f6 | 137 | { |
43642b38 DN |
138 | int flags = 0; |
139 | int readonly = 0; | |
43642b38 | 140 | int c; |
b543c5cd | 141 | QemuOpts *qopts; |
443422fd | 142 | QDict *opts; |
43642b38 | 143 | |
b062ad86 | 144 | while ((c = getopt(argc, argv, "snrgo:")) != -1) { |
43642b38 DN |
145 | switch (c) { |
146 | case 's': | |
147 | flags |= BDRV_O_SNAPSHOT; | |
148 | break; | |
149 | case 'n': | |
150 | flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB; | |
151 | break; | |
152 | case 'r': | |
153 | readonly = 1; | |
154 | break; | |
b543c5cd | 155 | case 'o': |
499afa25 DB |
156 | if (imageOpts) { |
157 | printf("--image-opts and 'open -o' are mutually exclusive\n"); | |
158 | return 0; | |
159 | } | |
70b94331 | 160 | if (!qemu_opts_parse_noisily(&empty_opts, optarg, false)) { |
443422fd | 161 | qemu_opts_reset(&empty_opts); |
b543c5cd HR |
162 | return 0; |
163 | } | |
b543c5cd | 164 | break; |
43642b38 | 165 | default: |
443422fd | 166 | qemu_opts_reset(&empty_opts); |
c2cdf5c5 | 167 | return qemuio_command_usage(&open_cmd); |
f5edb014 | 168 | } |
43642b38 DN |
169 | } |
170 | ||
171 | if (!readonly) { | |
172 | flags |= BDRV_O_RDWR; | |
173 | } | |
e3aff4f6 | 174 | |
499afa25 DB |
175 | if (imageOpts && (optind == argc - 1)) { |
176 | if (!qemu_opts_parse_noisily(&empty_opts, argv[optind], false)) { | |
177 | qemu_opts_reset(&empty_opts); | |
178 | return 0; | |
179 | } | |
180 | optind++; | |
181 | } | |
182 | ||
443422fd MA |
183 | qopts = qemu_opts_find(&empty_opts, NULL); |
184 | opts = qopts ? qemu_opts_to_qdict(qopts, NULL) : NULL; | |
185 | qemu_opts_reset(&empty_opts); | |
186 | ||
fd0fee34 | 187 | if (optind == argc - 1) { |
10d9d75c | 188 | return openfile(argv[optind], flags, opts); |
fd0fee34 | 189 | } else if (optind == argc) { |
10d9d75c | 190 | return openfile(NULL, flags, opts); |
fd0fee34 | 191 | } else { |
29f2601a | 192 | QDECREF(opts); |
c2cdf5c5 | 193 | return qemuio_command_usage(&open_cmd); |
43642b38 | 194 | } |
e3aff4f6 AL |
195 | } |
196 | ||
4c7b7e9b | 197 | static int quit_f(BlockBackend *blk, int argc, char **argv) |
e681be7e KW |
198 | { |
199 | return 1; | |
200 | } | |
201 | ||
202 | static const cmdinfo_t quit_cmd = { | |
203 | .name = "quit", | |
204 | .altname = "q", | |
205 | .cfunc = quit_f, | |
206 | .argmin = -1, | |
207 | .argmax = -1, | |
208 | .flags = CMD_FLAG_GLOBAL, | |
209 | .oneline = "exit the program", | |
210 | }; | |
211 | ||
e3aff4f6 AL |
212 | static void usage(const char *name) |
213 | { | |
43642b38 | 214 | printf( |
be6273da | 215 | "Usage: %s [-h] [-V] [-rsnm] [-f FMT] [-c STRING] ... [file]\n" |
84844a20 | 216 | "QEMU Disk exerciser\n" |
e3aff4f6 | 217 | "\n" |
9ba371b6 DB |
218 | " --object OBJECTDEF define an object such as 'secret' for\n" |
219 | " passwords and/or encryption keys\n" | |
d208cc35 MK |
220 | " -c, --cmd STRING execute command with its arguments\n" |
221 | " from the given string\n" | |
be6273da | 222 | " -f, --format FMT specifies the block driver to use\n" |
e3aff4f6 AL |
223 | " -r, --read-only export read-only\n" |
224 | " -s, --snapshot use snapshot file\n" | |
225 | " -n, --nocache disable host cache\n" | |
226 | " -m, --misalign misalign allocations for O_DIRECT\n" | |
5c6c3a6c | 227 | " -k, --native-aio use kernel AIO implementation (on Linux only)\n" |
592fa070 | 228 | " -t, --cache=MODE use the given cache mode for the image\n" |
d7bb72c8 | 229 | " -T, --trace FILE enable trace events listed in the given file\n" |
e3aff4f6 AL |
230 | " -h, --help display this help and exit\n" |
231 | " -V, --version output version information and exit\n" | |
d208cc35 MK |
232 | "\n" |
233 | "See '%s -c help' for information on available commands." | |
e3aff4f6 | 234 | "\n", |
d208cc35 | 235 | name, name); |
e3aff4f6 AL |
236 | } |
237 | ||
d1174f13 KW |
238 | static char *get_prompt(void) |
239 | { | |
240 | static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ]; | |
241 | ||
242 | if (!prompt[0]) { | |
243 | snprintf(prompt, sizeof(prompt), "%s> ", progname); | |
244 | } | |
245 | ||
246 | return prompt; | |
247 | } | |
248 | ||
d5d1507b SW |
249 | static void GCC_FMT_ATTR(2, 3) readline_printf_func(void *opaque, |
250 | const char *fmt, ...) | |
d1174f13 | 251 | { |
0cf17e18 SH |
252 | va_list ap; |
253 | va_start(ap, fmt); | |
254 | vprintf(fmt, ap); | |
255 | va_end(ap); | |
d1174f13 | 256 | } |
0cf17e18 SH |
257 | |
258 | static void readline_flush_func(void *opaque) | |
d1174f13 | 259 | { |
0cf17e18 | 260 | fflush(stdout); |
d1174f13 KW |
261 | } |
262 | ||
0cf17e18 | 263 | static void readline_func(void *opaque, const char *str, void *readline_opaque) |
d1174f13 | 264 | { |
0cf17e18 SH |
265 | char **line = readline_opaque; |
266 | *line = g_strdup(str); | |
267 | } | |
268 | ||
4694020d SH |
269 | static void completion_match(const char *cmd, void *opaque) |
270 | { | |
271 | readline_add_completion(readline_state, cmd); | |
272 | } | |
273 | ||
0cf17e18 SH |
274 | static void readline_completion_func(void *opaque, const char *str) |
275 | { | |
4694020d SH |
276 | readline_set_completion_index(readline_state, strlen(str)); |
277 | qemuio_complete_command(str, completion_match, NULL); | |
0cf17e18 SH |
278 | } |
279 | ||
280 | static char *fetchline_readline(void) | |
281 | { | |
282 | char *line = NULL; | |
283 | ||
284 | readline_start(readline_state, get_prompt(), 0, readline_func, &line); | |
285 | while (!line) { | |
286 | int ch = getchar(); | |
287 | if (ch == EOF) { | |
288 | break; | |
d1174f13 | 289 | } |
0cf17e18 | 290 | readline_handle_byte(readline_state, ch); |
d1174f13 KW |
291 | } |
292 | return line; | |
293 | } | |
0cf17e18 SH |
294 | |
295 | #define MAXREADLINESZ 1024 | |
296 | static char *fetchline_fgets(void) | |
d1174f13 KW |
297 | { |
298 | char *p, *line = g_malloc(MAXREADLINESZ); | |
299 | ||
300 | if (!fgets(line, MAXREADLINESZ, stdin)) { | |
301 | g_free(line); | |
302 | return NULL; | |
303 | } | |
304 | ||
305 | p = line + strlen(line); | |
306 | if (p != line && p[-1] == '\n') { | |
307 | p[-1] = '\0'; | |
308 | } | |
309 | ||
310 | return line; | |
311 | } | |
0cf17e18 SH |
312 | |
313 | static char *fetchline(void) | |
314 | { | |
315 | if (readline_state) { | |
316 | return fetchline_readline(); | |
317 | } else { | |
318 | return fetchline_fgets(); | |
319 | } | |
320 | } | |
d1174f13 KW |
321 | |
322 | static void prep_fetchline(void *opaque) | |
323 | { | |
324 | int *fetchable = opaque; | |
325 | ||
326 | qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL); | |
327 | *fetchable= 1; | |
328 | } | |
329 | ||
330 | static void command_loop(void) | |
331 | { | |
332 | int i, done = 0, fetchable = 0, prompted = 0; | |
333 | char *input; | |
334 | ||
335 | for (i = 0; !done && i < ncmdline; i++) { | |
4c7b7e9b | 336 | done = qemuio_command(qemuio_blk, cmdline[i]); |
d1174f13 KW |
337 | } |
338 | if (cmdline) { | |
339 | g_free(cmdline); | |
340 | return; | |
341 | } | |
342 | ||
343 | while (!done) { | |
344 | if (!prompted) { | |
345 | printf("%s", get_prompt()); | |
346 | fflush(stdout); | |
347 | qemu_set_fd_handler(STDIN_FILENO, prep_fetchline, NULL, &fetchable); | |
348 | prompted = 1; | |
349 | } | |
350 | ||
351 | main_loop_wait(false); | |
352 | ||
353 | if (!fetchable) { | |
354 | continue; | |
355 | } | |
356 | ||
357 | input = fetchline(); | |
358 | if (input == NULL) { | |
359 | break; | |
360 | } | |
4c7b7e9b | 361 | done = qemuio_command(qemuio_blk, input); |
d1174f13 KW |
362 | g_free(input); |
363 | ||
364 | prompted = 0; | |
365 | fetchable = 0; | |
366 | } | |
367 | qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL); | |
368 | } | |
369 | ||
370 | static void add_user_command(char *optarg) | |
371 | { | |
5839e53b | 372 | cmdline = g_renew(char *, cmdline, ++ncmdline); |
d1174f13 KW |
373 | cmdline[ncmdline-1] = optarg; |
374 | } | |
375 | ||
0cf17e18 SH |
376 | static void reenable_tty_echo(void) |
377 | { | |
378 | qemu_set_tty_echo(STDIN_FILENO, true); | |
379 | } | |
380 | ||
9ba371b6 DB |
381 | enum { |
382 | OPTION_OBJECT = 256, | |
499afa25 | 383 | OPTION_IMAGE_OPTS = 257, |
9ba371b6 DB |
384 | }; |
385 | ||
386 | static QemuOptsList qemu_object_opts = { | |
387 | .name = "object", | |
388 | .implied_opt_name = "qom-type", | |
389 | .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), | |
390 | .desc = { | |
391 | { } | |
392 | }, | |
393 | }; | |
394 | ||
395 | ||
499afa25 DB |
396 | static QemuOptsList file_opts = { |
397 | .name = "file", | |
398 | .implied_opt_name = "file", | |
399 | .head = QTAILQ_HEAD_INITIALIZER(file_opts.head), | |
400 | .desc = { | |
401 | /* no elements => accept any params */ | |
402 | { /* end of list */ } | |
403 | }, | |
404 | }; | |
405 | ||
e3aff4f6 AL |
406 | int main(int argc, char **argv) |
407 | { | |
43642b38 | 408 | int readonly = 0; |
be6273da | 409 | const char *sopt = "hVc:d:f:rsnmgkt:T:"; |
43642b38 | 410 | const struct option lopt[] = { |
a513416e DB |
411 | { "help", no_argument, NULL, 'h' }, |
412 | { "version", no_argument, NULL, 'V' }, | |
413 | { "offset", required_argument, NULL, 'o' }, | |
414 | { "cmd", required_argument, NULL, 'c' }, | |
415 | { "format", required_argument, NULL, 'f' }, | |
416 | { "read-only", no_argument, NULL, 'r' }, | |
417 | { "snapshot", no_argument, NULL, 's' }, | |
418 | { "nocache", no_argument, NULL, 'n' }, | |
419 | { "misalign", no_argument, NULL, 'm' }, | |
420 | { "native-aio", no_argument, NULL, 'k' }, | |
421 | { "discard", required_argument, NULL, 'd' }, | |
422 | { "cache", required_argument, NULL, 't' }, | |
423 | { "trace", required_argument, NULL, 'T' }, | |
424 | { "object", required_argument, NULL, OPTION_OBJECT }, | |
425 | { "image-opts", no_argument, NULL, OPTION_IMAGE_OPTS }, | |
43642b38 DN |
426 | { NULL, 0, NULL, 0 } |
427 | }; | |
428 | int c; | |
429 | int opt_index = 0; | |
9e8f1835 | 430 | int flags = BDRV_O_UNMAP; |
2f78e491 | 431 | Error *local_error = NULL; |
1b58b438 | 432 | QDict *opts = NULL; |
499afa25 | 433 | const char *format = NULL; |
43642b38 | 434 | |
526eda14 MK |
435 | #ifdef CONFIG_POSIX |
436 | signal(SIGPIPE, SIG_IGN); | |
437 | #endif | |
438 | ||
43642b38 | 439 | progname = basename(argv[0]); |
10f5bff6 | 440 | qemu_init_exec_dir(argv[0]); |
43642b38 | 441 | |
064097d9 | 442 | module_call_init(MODULE_INIT_QOM); |
9ba371b6 | 443 | qemu_add_opts(&qemu_object_opts); |
be6273da KW |
444 | bdrv_init(); |
445 | ||
43642b38 DN |
446 | while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) { |
447 | switch (c) { | |
448 | case 's': | |
449 | flags |= BDRV_O_SNAPSHOT; | |
450 | break; | |
451 | case 'n': | |
452 | flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB; | |
453 | break; | |
9e8f1835 PB |
454 | case 'd': |
455 | if (bdrv_parse_discard_flags(optarg, &flags) < 0) { | |
456 | error_report("Invalid discard option: %s", optarg); | |
457 | exit(1); | |
458 | } | |
459 | break; | |
be6273da | 460 | case 'f': |
499afa25 | 461 | format = optarg; |
be6273da | 462 | break; |
43642b38 DN |
463 | case 'c': |
464 | add_user_command(optarg); | |
465 | break; | |
466 | case 'r': | |
467 | readonly = 1; | |
468 | break; | |
469 | case 'm': | |
f9883880 | 470 | qemuio_misalign = true; |
43642b38 | 471 | break; |
43642b38 DN |
472 | case 'k': |
473 | flags |= BDRV_O_NATIVE_AIO; | |
474 | break; | |
592fa070 KW |
475 | case 't': |
476 | if (bdrv_parse_cache_flags(optarg, &flags) < 0) { | |
477 | error_report("Invalid cache option: %s", optarg); | |
478 | exit(1); | |
479 | } | |
480 | break; | |
d7bb72c8 | 481 | case 'T': |
41fc57e4 | 482 | if (!trace_init_backends()) { |
d7bb72c8 SH |
483 | exit(1); /* error message will have been printed */ |
484 | } | |
485 | break; | |
43642b38 | 486 | case 'V': |
02da386a | 487 | printf("%s version %s\n", progname, QEMU_VERSION); |
43642b38 DN |
488 | exit(0); |
489 | case 'h': | |
490 | usage(progname); | |
491 | exit(0); | |
9ba371b6 | 492 | case OPTION_OBJECT: { |
499afa25 | 493 | QemuOpts *qopts; |
9ba371b6 DB |
494 | qopts = qemu_opts_parse_noisily(&qemu_object_opts, |
495 | optarg, true); | |
496 | if (!qopts) { | |
497 | exit(1); | |
498 | } | |
499 | } break; | |
499afa25 DB |
500 | case OPTION_IMAGE_OPTS: |
501 | imageOpts = true; | |
502 | break; | |
43642b38 DN |
503 | default: |
504 | usage(progname); | |
505 | exit(1); | |
f5edb014 | 506 | } |
43642b38 DN |
507 | } |
508 | ||
509 | if ((argc - optind) > 1) { | |
510 | usage(progname); | |
511 | exit(1); | |
512 | } | |
e3aff4f6 | 513 | |
499afa25 DB |
514 | if (format && imageOpts) { |
515 | error_report("--image-opts and -f are mutually exclusive"); | |
516 | exit(1); | |
517 | } | |
518 | ||
2f78e491 | 519 | if (qemu_init_main_loop(&local_error)) { |
565f65d2 | 520 | error_report_err(local_error); |
2f78e491 CN |
521 | exit(1); |
522 | } | |
a57d1143 | 523 | |
9ba371b6 DB |
524 | if (qemu_opts_foreach(&qemu_object_opts, |
525 | user_creatable_add_opts_foreach, | |
526 | NULL, &local_error)) { | |
527 | error_report_err(local_error); | |
528 | exit(1); | |
529 | } | |
530 | ||
43642b38 | 531 | /* initialize commands */ |
c2cdf5c5 KW |
532 | qemuio_add_command(&quit_cmd); |
533 | qemuio_add_command(&open_cmd); | |
534 | qemuio_add_command(&close_cmd); | |
43642b38 | 535 | |
0cf17e18 SH |
536 | if (isatty(STDIN_FILENO)) { |
537 | readline_state = readline_init(readline_printf_func, | |
538 | readline_flush_func, | |
539 | NULL, | |
540 | readline_completion_func); | |
541 | qemu_set_tty_echo(STDIN_FILENO, false); | |
542 | atexit(reenable_tty_echo); | |
543 | } | |
544 | ||
43642b38 DN |
545 | /* open the device */ |
546 | if (!readonly) { | |
547 | flags |= BDRV_O_RDWR; | |
548 | } | |
549 | ||
550 | if ((argc - optind) == 1) { | |
499afa25 DB |
551 | if (imageOpts) { |
552 | QemuOpts *qopts = NULL; | |
553 | qopts = qemu_opts_parse_noisily(&file_opts, argv[optind], false); | |
554 | if (!qopts) { | |
555 | exit(1); | |
556 | } | |
557 | opts = qemu_opts_to_qdict(qopts, NULL); | |
558 | openfile(NULL, flags, opts); | |
559 | } else { | |
560 | if (format) { | |
561 | opts = qdict_new(); | |
562 | qdict_put(opts, "driver", qstring_from_str(format)); | |
563 | } | |
564 | openfile(argv[optind], flags, opts); | |
565 | } | |
43642b38 DN |
566 | } |
567 | command_loop(); | |
e3aff4f6 | 568 | |
43642b38 | 569 | /* |
922453bc | 570 | * Make sure all outstanding requests complete before the program exits. |
43642b38 | 571 | */ |
922453bc | 572 | bdrv_drain_all(); |
95533d5f | 573 | |
26f54e9a | 574 | blk_unref(qemuio_blk); |
0cf17e18 | 575 | g_free(readline_state); |
43642b38 | 576 | return 0; |
e3aff4f6 | 577 | } |