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Commit | Line | Data |
---|---|---|
797ac58c KW |
1 | /* |
2 | * Command line utility to exercise the QEMU I/O path. | |
3 | * | |
093ea232 | 4 | * Copyright (C) 2009-2016 Red Hat, Inc. |
797ac58c KW |
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 | */ | |
10 | ||
80c71a24 | 11 | #include "qemu/osdep.h" |
da34e65c | 12 | #include "qapi/error.h" |
3d21994f | 13 | #include "qemu-io.h" |
4c7b7e9b HR |
14 | #include "sysemu/block-backend.h" |
15 | #include "block/block.h" | |
16 | #include "block/block_int.h" /* for info_f() */ | |
a8d8ecb7 | 17 | #include "block/qapi.h" |
d49b6836 | 18 | #include "qemu/error-report.h" |
6a1751b7 | 19 | #include "qemu/main-loop.h" |
cd33d02a | 20 | #include "qemu/timer.h" |
a91f9584 | 21 | #include "sysemu/block-backend.h" |
f348b6d1 | 22 | #include "qemu/cutils.h" |
797ac58c KW |
23 | |
24 | #define CMD_NOFILE_OK 0x01 | |
25 | ||
f9883880 | 26 | bool qemuio_misalign; |
797ac58c | 27 | |
c2cdf5c5 KW |
28 | static cmdinfo_t *cmdtab; |
29 | static int ncmds; | |
30 | ||
31 | static int compare_cmdname(const void *a, const void *b) | |
32 | { | |
33 | return strcmp(((const cmdinfo_t *)a)->name, | |
34 | ((const cmdinfo_t *)b)->name); | |
35 | } | |
36 | ||
37 | void qemuio_add_command(const cmdinfo_t *ci) | |
38 | { | |
02c4f26b | 39 | cmdtab = g_renew(cmdinfo_t, cmdtab, ++ncmds); |
c2cdf5c5 KW |
40 | cmdtab[ncmds - 1] = *ci; |
41 | qsort(cmdtab, ncmds, sizeof(*cmdtab), compare_cmdname); | |
42 | } | |
43 | ||
44 | int qemuio_command_usage(const cmdinfo_t *ci) | |
45 | { | |
46 | printf("%s %s -- %s\n", ci->name, ci->args, ci->oneline); | |
47 | return 0; | |
48 | } | |
49 | ||
4c7b7e9b | 50 | static int init_check_command(BlockBackend *blk, const cmdinfo_t *ct) |
c2cdf5c5 KW |
51 | { |
52 | if (ct->flags & CMD_FLAG_GLOBAL) { | |
53 | return 1; | |
54 | } | |
4c7b7e9b | 55 | if (!(ct->flags & CMD_NOFILE_OK) && !blk) { |
c2cdf5c5 KW |
56 | fprintf(stderr, "no file open, try 'help open'\n"); |
57 | return 0; | |
58 | } | |
59 | return 1; | |
60 | } | |
61 | ||
4c7b7e9b | 62 | static int command(BlockBackend *blk, const cmdinfo_t *ct, int argc, |
3d21994f | 63 | char **argv) |
c2cdf5c5 KW |
64 | { |
65 | char *cmd = argv[0]; | |
66 | ||
4c7b7e9b | 67 | if (!init_check_command(blk, ct)) { |
c2cdf5c5 KW |
68 | return 0; |
69 | } | |
70 | ||
71 | if (argc - 1 < ct->argmin || (ct->argmax != -1 && argc - 1 > ct->argmax)) { | |
72 | if (ct->argmax == -1) { | |
73 | fprintf(stderr, | |
74 | "bad argument count %d to %s, expected at least %d arguments\n", | |
75 | argc-1, cmd, ct->argmin); | |
76 | } else if (ct->argmin == ct->argmax) { | |
77 | fprintf(stderr, | |
78 | "bad argument count %d to %s, expected %d arguments\n", | |
79 | argc-1, cmd, ct->argmin); | |
80 | } else { | |
81 | fprintf(stderr, | |
82 | "bad argument count %d to %s, expected between %d and %d arguments\n", | |
83 | argc-1, cmd, ct->argmin, ct->argmax); | |
84 | } | |
85 | return 0; | |
86 | } | |
87 | optind = 0; | |
4c7b7e9b | 88 | return ct->cfunc(blk, argc, argv); |
c2cdf5c5 KW |
89 | } |
90 | ||
91 | static const cmdinfo_t *find_command(const char *cmd) | |
92 | { | |
93 | cmdinfo_t *ct; | |
94 | ||
95 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) { | |
96 | if (strcmp(ct->name, cmd) == 0 || | |
97 | (ct->altname && strcmp(ct->altname, cmd) == 0)) | |
98 | { | |
99 | return (const cmdinfo_t *)ct; | |
100 | } | |
101 | } | |
102 | return NULL; | |
103 | } | |
104 | ||
4694020d SH |
105 | /* Invoke fn() for commands with a matching prefix */ |
106 | void qemuio_complete_command(const char *input, | |
107 | void (*fn)(const char *cmd, void *opaque), | |
108 | void *opaque) | |
109 | { | |
110 | cmdinfo_t *ct; | |
111 | size_t input_len = strlen(input); | |
112 | ||
113 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) { | |
114 | if (strncmp(input, ct->name, input_len) == 0) { | |
115 | fn(ct->name, opaque); | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
c2cdf5c5 KW |
120 | static char **breakline(char *input, int *count) |
121 | { | |
122 | int c = 0; | |
123 | char *p; | |
5839e53b | 124 | char **rval = g_new0(char *, 1); |
c2cdf5c5 KW |
125 | |
126 | while (rval && (p = qemu_strsep(&input, " ")) != NULL) { | |
127 | if (!*p) { | |
128 | continue; | |
129 | } | |
130 | c++; | |
08193dd5 | 131 | rval = g_renew(char *, rval, (c + 1)); |
c2cdf5c5 KW |
132 | rval[c - 1] = p; |
133 | rval[c] = NULL; | |
134 | } | |
135 | *count = c; | |
136 | return rval; | |
137 | } | |
138 | ||
797ac58c KW |
139 | static int64_t cvtnum(const char *s) |
140 | { | |
141 | char *end; | |
ef5a7885 JS |
142 | int64_t ret; |
143 | ||
144 | ret = qemu_strtosz_suffix(s, &end, QEMU_STRTOSZ_DEFSUFFIX_B); | |
145 | if (*end != '\0') { | |
146 | /* Detritus at the end of the string */ | |
147 | return -EINVAL; | |
148 | } | |
149 | return ret; | |
797ac58c KW |
150 | } |
151 | ||
a9ecfa00 JS |
152 | static void print_cvtnum_err(int64_t rc, const char *arg) |
153 | { | |
154 | switch (rc) { | |
155 | case -EINVAL: | |
156 | printf("Parsing error: non-numeric argument," | |
157 | " or extraneous/unrecognized suffix -- %s\n", arg); | |
158 | break; | |
159 | case -ERANGE: | |
160 | printf("Parsing error: argument too large -- %s\n", arg); | |
161 | break; | |
162 | default: | |
163 | printf("Parsing error: %s\n", arg); | |
164 | } | |
165 | } | |
166 | ||
0b613881 KW |
167 | #define EXABYTES(x) ((long long)(x) << 60) |
168 | #define PETABYTES(x) ((long long)(x) << 50) | |
169 | #define TERABYTES(x) ((long long)(x) << 40) | |
170 | #define GIGABYTES(x) ((long long)(x) << 30) | |
171 | #define MEGABYTES(x) ((long long)(x) << 20) | |
172 | #define KILOBYTES(x) ((long long)(x) << 10) | |
173 | ||
174 | #define TO_EXABYTES(x) ((x) / EXABYTES(1)) | |
175 | #define TO_PETABYTES(x) ((x) / PETABYTES(1)) | |
176 | #define TO_TERABYTES(x) ((x) / TERABYTES(1)) | |
177 | #define TO_GIGABYTES(x) ((x) / GIGABYTES(1)) | |
178 | #define TO_MEGABYTES(x) ((x) / MEGABYTES(1)) | |
179 | #define TO_KILOBYTES(x) ((x) / KILOBYTES(1)) | |
180 | ||
181 | static void cvtstr(double value, char *str, size_t size) | |
182 | { | |
183 | char *trim; | |
184 | const char *suffix; | |
185 | ||
186 | if (value >= EXABYTES(1)) { | |
187 | suffix = " EiB"; | |
188 | snprintf(str, size - 4, "%.3f", TO_EXABYTES(value)); | |
189 | } else if (value >= PETABYTES(1)) { | |
190 | suffix = " PiB"; | |
191 | snprintf(str, size - 4, "%.3f", TO_PETABYTES(value)); | |
192 | } else if (value >= TERABYTES(1)) { | |
193 | suffix = " TiB"; | |
194 | snprintf(str, size - 4, "%.3f", TO_TERABYTES(value)); | |
195 | } else if (value >= GIGABYTES(1)) { | |
196 | suffix = " GiB"; | |
197 | snprintf(str, size - 4, "%.3f", TO_GIGABYTES(value)); | |
198 | } else if (value >= MEGABYTES(1)) { | |
199 | suffix = " MiB"; | |
200 | snprintf(str, size - 4, "%.3f", TO_MEGABYTES(value)); | |
201 | } else if (value >= KILOBYTES(1)) { | |
202 | suffix = " KiB"; | |
203 | snprintf(str, size - 4, "%.3f", TO_KILOBYTES(value)); | |
204 | } else { | |
205 | suffix = " bytes"; | |
206 | snprintf(str, size - 6, "%f", value); | |
207 | } | |
208 | ||
209 | trim = strstr(str, ".000"); | |
210 | if (trim) { | |
211 | strcpy(trim, suffix); | |
212 | } else { | |
213 | strcat(str, suffix); | |
214 | } | |
215 | } | |
216 | ||
217 | ||
218 | ||
219 | static struct timeval tsub(struct timeval t1, struct timeval t2) | |
220 | { | |
221 | t1.tv_usec -= t2.tv_usec; | |
222 | if (t1.tv_usec < 0) { | |
223 | t1.tv_usec += 1000000; | |
224 | t1.tv_sec--; | |
225 | } | |
226 | t1.tv_sec -= t2.tv_sec; | |
227 | return t1; | |
228 | } | |
229 | ||
230 | static double tdiv(double value, struct timeval tv) | |
231 | { | |
232 | return value / ((double)tv.tv_sec + ((double)tv.tv_usec / 1000000.0)); | |
233 | } | |
234 | ||
235 | #define HOURS(sec) ((sec) / (60 * 60)) | |
236 | #define MINUTES(sec) (((sec) % (60 * 60)) / 60) | |
237 | #define SECONDS(sec) ((sec) % 60) | |
238 | ||
239 | enum { | |
240 | DEFAULT_TIME = 0x0, | |
241 | TERSE_FIXED_TIME = 0x1, | |
242 | VERBOSE_FIXED_TIME = 0x2, | |
243 | }; | |
244 | ||
245 | static void timestr(struct timeval *tv, char *ts, size_t size, int format) | |
246 | { | |
247 | double usec = (double)tv->tv_usec / 1000000.0; | |
248 | ||
249 | if (format & TERSE_FIXED_TIME) { | |
250 | if (!HOURS(tv->tv_sec)) { | |
251 | snprintf(ts, size, "%u:%02u.%02u", | |
252 | (unsigned int) MINUTES(tv->tv_sec), | |
253 | (unsigned int) SECONDS(tv->tv_sec), | |
254 | (unsigned int) (usec * 100)); | |
255 | return; | |
256 | } | |
257 | format |= VERBOSE_FIXED_TIME; /* fallback if hours needed */ | |
258 | } | |
259 | ||
260 | if ((format & VERBOSE_FIXED_TIME) || tv->tv_sec) { | |
261 | snprintf(ts, size, "%u:%02u:%02u.%02u", | |
262 | (unsigned int) HOURS(tv->tv_sec), | |
263 | (unsigned int) MINUTES(tv->tv_sec), | |
264 | (unsigned int) SECONDS(tv->tv_sec), | |
265 | (unsigned int) (usec * 100)); | |
266 | } else { | |
267 | snprintf(ts, size, "0.%04u sec", (unsigned int) (usec * 10000)); | |
268 | } | |
269 | } | |
270 | ||
797ac58c KW |
271 | /* |
272 | * Parse the pattern argument to various sub-commands. | |
273 | * | |
274 | * Because the pattern is used as an argument to memset it must evaluate | |
275 | * to an unsigned integer that fits into a single byte. | |
276 | */ | |
277 | static int parse_pattern(const char *arg) | |
278 | { | |
279 | char *endptr = NULL; | |
280 | long pattern; | |
281 | ||
282 | pattern = strtol(arg, &endptr, 0); | |
283 | if (pattern < 0 || pattern > UCHAR_MAX || *endptr != '\0') { | |
284 | printf("%s is not a valid pattern byte\n", arg); | |
285 | return -1; | |
286 | } | |
287 | ||
288 | return pattern; | |
289 | } | |
290 | ||
291 | /* | |
292 | * Memory allocation helpers. | |
293 | * | |
294 | * Make sure memory is aligned by default, or purposefully misaligned if | |
295 | * that is specified on the command line. | |
296 | */ | |
297 | ||
298 | #define MISALIGN_OFFSET 16 | |
4c7b7e9b | 299 | static void *qemu_io_alloc(BlockBackend *blk, size_t len, int pattern) |
797ac58c KW |
300 | { |
301 | void *buf; | |
302 | ||
303 | if (qemuio_misalign) { | |
304 | len += MISALIGN_OFFSET; | |
305 | } | |
4c7b7e9b | 306 | buf = blk_blockalign(blk, len); |
797ac58c KW |
307 | memset(buf, pattern, len); |
308 | if (qemuio_misalign) { | |
309 | buf += MISALIGN_OFFSET; | |
310 | } | |
311 | return buf; | |
312 | } | |
313 | ||
314 | static void qemu_io_free(void *p) | |
315 | { | |
316 | if (qemuio_misalign) { | |
317 | p -= MISALIGN_OFFSET; | |
318 | } | |
319 | qemu_vfree(p); | |
320 | } | |
321 | ||
9b0beaf3 | 322 | static void dump_buffer(const void *buffer, int64_t offset, int64_t len) |
797ac58c | 323 | { |
9b0beaf3 JS |
324 | uint64_t i; |
325 | int j; | |
797ac58c KW |
326 | const uint8_t *p; |
327 | ||
328 | for (i = 0, p = buffer; i < len; i += 16) { | |
329 | const uint8_t *s = p; | |
330 | ||
331 | printf("%08" PRIx64 ": ", offset + i); | |
332 | for (j = 0; j < 16 && i + j < len; j++, p++) { | |
333 | printf("%02x ", *p); | |
334 | } | |
335 | printf(" "); | |
336 | for (j = 0; j < 16 && i + j < len; j++, s++) { | |
337 | if (isalnum(*s)) { | |
338 | printf("%c", *s); | |
339 | } else { | |
340 | printf("."); | |
341 | } | |
342 | } | |
343 | printf("\n"); | |
344 | } | |
345 | } | |
346 | ||
347 | static void print_report(const char *op, struct timeval *t, int64_t offset, | |
dc38852a | 348 | int64_t count, int64_t total, int cnt, bool Cflag) |
797ac58c KW |
349 | { |
350 | char s1[64], s2[64], ts[64]; | |
351 | ||
352 | timestr(t, ts, sizeof(ts), Cflag ? VERBOSE_FIXED_TIME : 0); | |
353 | if (!Cflag) { | |
354 | cvtstr((double)total, s1, sizeof(s1)); | |
355 | cvtstr(tdiv((double)total, *t), s2, sizeof(s2)); | |
9b0beaf3 | 356 | printf("%s %"PRId64"/%"PRId64" bytes at offset %" PRId64 "\n", |
797ac58c KW |
357 | op, total, count, offset); |
358 | printf("%s, %d ops; %s (%s/sec and %.4f ops/sec)\n", | |
359 | s1, cnt, ts, s2, tdiv((double)cnt, *t)); | |
360 | } else {/* bytes,ops,time,bytes/sec,ops/sec */ | |
9b0beaf3 | 361 | printf("%"PRId64",%d,%s,%.3f,%.3f\n", |
797ac58c KW |
362 | total, cnt, ts, |
363 | tdiv((double)total, *t), | |
364 | tdiv((double)cnt, *t)); | |
365 | } | |
366 | } | |
367 | ||
368 | /* | |
369 | * Parse multiple length statements for vectored I/O, and construct an I/O | |
370 | * vector matching it. | |
371 | */ | |
372 | static void * | |
4c7b7e9b | 373 | create_iovec(BlockBackend *blk, QEMUIOVector *qiov, char **argv, int nr_iov, |
797ac58c KW |
374 | int pattern) |
375 | { | |
376 | size_t *sizes = g_new0(size_t, nr_iov); | |
377 | size_t count = 0; | |
378 | void *buf = NULL; | |
379 | void *p; | |
380 | int i; | |
381 | ||
382 | for (i = 0; i < nr_iov; i++) { | |
383 | char *arg = argv[i]; | |
384 | int64_t len; | |
385 | ||
386 | len = cvtnum(arg); | |
387 | if (len < 0) { | |
a9ecfa00 | 388 | print_cvtnum_err(len, arg); |
797ac58c KW |
389 | goto fail; |
390 | } | |
391 | ||
392 | /* should be SIZE_T_MAX, but that doesn't exist */ | |
393 | if (len > INT_MAX) { | |
a9ecfa00 | 394 | printf("Argument '%s' exceeds maximum size %d\n", arg, INT_MAX); |
797ac58c KW |
395 | goto fail; |
396 | } | |
397 | ||
797ac58c KW |
398 | sizes[i] = len; |
399 | count += len; | |
400 | } | |
401 | ||
402 | qemu_iovec_init(qiov, nr_iov); | |
403 | ||
4c7b7e9b | 404 | buf = p = qemu_io_alloc(blk, count, pattern); |
797ac58c KW |
405 | |
406 | for (i = 0; i < nr_iov; i++) { | |
407 | qemu_iovec_add(qiov, p, sizes[i]); | |
408 | p += sizes[i]; | |
409 | } | |
410 | ||
411 | fail: | |
412 | g_free(sizes); | |
413 | return buf; | |
414 | } | |
415 | ||
9b0beaf3 JS |
416 | static int do_pread(BlockBackend *blk, char *buf, int64_t offset, |
417 | int64_t count, int64_t *total) | |
797ac58c | 418 | { |
9b0beaf3 JS |
419 | if (count > INT_MAX) { |
420 | return -ERANGE; | |
421 | } | |
422 | ||
4c7b7e9b | 423 | *total = blk_pread(blk, offset, (uint8_t *)buf, count); |
797ac58c KW |
424 | if (*total < 0) { |
425 | return *total; | |
426 | } | |
427 | return 1; | |
428 | } | |
429 | ||
9b0beaf3 | 430 | static int do_pwrite(BlockBackend *blk, char *buf, int64_t offset, |
770e0e0e | 431 | int64_t count, int flags, int64_t *total) |
797ac58c | 432 | { |
9b0beaf3 JS |
433 | if (count > INT_MAX) { |
434 | return -ERANGE; | |
435 | } | |
436 | ||
770e0e0e | 437 | *total = blk_pwrite(blk, offset, (uint8_t *)buf, count, flags); |
797ac58c KW |
438 | if (*total < 0) { |
439 | return *total; | |
440 | } | |
441 | return 1; | |
442 | } | |
443 | ||
444 | typedef struct { | |
4c7b7e9b | 445 | BlockBackend *blk; |
797ac58c | 446 | int64_t offset; |
9b0beaf3 JS |
447 | int64_t count; |
448 | int64_t *total; | |
770e0e0e | 449 | int flags; |
797ac58c KW |
450 | int ret; |
451 | bool done; | |
452 | } CoWriteZeroes; | |
453 | ||
454 | static void coroutine_fn co_write_zeroes_entry(void *opaque) | |
455 | { | |
456 | CoWriteZeroes *data = opaque; | |
457 | ||
770e0e0e EB |
458 | data->ret = blk_co_write_zeroes(data->blk, data->offset, data->count, |
459 | data->flags); | |
797ac58c KW |
460 | data->done = true; |
461 | if (data->ret < 0) { | |
462 | *data->total = data->ret; | |
463 | return; | |
464 | } | |
465 | ||
466 | *data->total = data->count; | |
467 | } | |
468 | ||
9b0beaf3 | 469 | static int do_co_write_zeroes(BlockBackend *blk, int64_t offset, int64_t count, |
770e0e0e | 470 | int flags, int64_t *total) |
797ac58c KW |
471 | { |
472 | Coroutine *co; | |
473 | CoWriteZeroes data = { | |
4c7b7e9b | 474 | .blk = blk, |
797ac58c KW |
475 | .offset = offset, |
476 | .count = count, | |
477 | .total = total, | |
770e0e0e | 478 | .flags = flags, |
797ac58c KW |
479 | .done = false, |
480 | }; | |
481 | ||
9b0beaf3 JS |
482 | if (count >> BDRV_SECTOR_BITS > INT_MAX) { |
483 | return -ERANGE; | |
484 | } | |
485 | ||
797ac58c KW |
486 | co = qemu_coroutine_create(co_write_zeroes_entry); |
487 | qemu_coroutine_enter(co, &data); | |
488 | while (!data.done) { | |
4c7b7e9b | 489 | aio_poll(blk_get_aio_context(blk), true); |
797ac58c KW |
490 | } |
491 | if (data.ret < 0) { | |
492 | return data.ret; | |
493 | } else { | |
494 | return 1; | |
495 | } | |
496 | } | |
497 | ||
4c7b7e9b | 498 | static int do_write_compressed(BlockBackend *blk, char *buf, int64_t offset, |
9b0beaf3 | 499 | int64_t count, int64_t *total) |
797ac58c KW |
500 | { |
501 | int ret; | |
502 | ||
9b0beaf3 JS |
503 | if (count >> 9 > INT_MAX) { |
504 | return -ERANGE; | |
505 | } | |
506 | ||
4c7b7e9b | 507 | ret = blk_write_compressed(blk, offset >> 9, (uint8_t *)buf, count >> 9); |
797ac58c KW |
508 | if (ret < 0) { |
509 | return ret; | |
510 | } | |
511 | *total = count; | |
512 | return 1; | |
513 | } | |
514 | ||
4c7b7e9b | 515 | static int do_load_vmstate(BlockBackend *blk, char *buf, int64_t offset, |
9b0beaf3 | 516 | int64_t count, int64_t *total) |
797ac58c | 517 | { |
9b0beaf3 JS |
518 | if (count > INT_MAX) { |
519 | return -ERANGE; | |
520 | } | |
521 | ||
4c7b7e9b | 522 | *total = blk_load_vmstate(blk, (uint8_t *)buf, offset, count); |
797ac58c KW |
523 | if (*total < 0) { |
524 | return *total; | |
525 | } | |
526 | return 1; | |
527 | } | |
528 | ||
4c7b7e9b | 529 | static int do_save_vmstate(BlockBackend *blk, char *buf, int64_t offset, |
9b0beaf3 | 530 | int64_t count, int64_t *total) |
797ac58c | 531 | { |
9b0beaf3 JS |
532 | if (count > INT_MAX) { |
533 | return -ERANGE; | |
534 | } | |
535 | ||
4c7b7e9b | 536 | *total = blk_save_vmstate(blk, (uint8_t *)buf, offset, count); |
797ac58c KW |
537 | if (*total < 0) { |
538 | return *total; | |
539 | } | |
540 | return 1; | |
541 | } | |
542 | ||
543 | #define NOT_DONE 0x7fffffff | |
544 | static void aio_rw_done(void *opaque, int ret) | |
545 | { | |
546 | *(int *)opaque = ret; | |
547 | } | |
548 | ||
4c7b7e9b | 549 | static int do_aio_readv(BlockBackend *blk, QEMUIOVector *qiov, |
797ac58c KW |
550 | int64_t offset, int *total) |
551 | { | |
552 | int async_ret = NOT_DONE; | |
553 | ||
7b3f9712 | 554 | blk_aio_preadv(blk, offset, qiov, 0, aio_rw_done, &async_ret); |
797ac58c KW |
555 | while (async_ret == NOT_DONE) { |
556 | main_loop_wait(false); | |
557 | } | |
558 | ||
559 | *total = qiov->size; | |
560 | return async_ret < 0 ? async_ret : 1; | |
561 | } | |
562 | ||
4c7b7e9b | 563 | static int do_aio_writev(BlockBackend *blk, QEMUIOVector *qiov, |
770e0e0e | 564 | int64_t offset, int flags, int *total) |
797ac58c KW |
565 | { |
566 | int async_ret = NOT_DONE; | |
567 | ||
770e0e0e | 568 | blk_aio_pwritev(blk, offset, qiov, flags, aio_rw_done, &async_ret); |
797ac58c KW |
569 | while (async_ret == NOT_DONE) { |
570 | main_loop_wait(false); | |
571 | } | |
572 | ||
573 | *total = qiov->size; | |
574 | return async_ret < 0 ? async_ret : 1; | |
575 | } | |
576 | ||
797ac58c KW |
577 | static void read_help(void) |
578 | { | |
579 | printf( | |
580 | "\n" | |
581 | " reads a range of bytes from the given offset\n" | |
582 | "\n" | |
583 | " Example:\n" | |
584 | " 'read -v 512 1k' - dumps 1 kilobyte read from 512 bytes into the file\n" | |
585 | "\n" | |
586 | " Reads a segment of the currently open file, optionally dumping it to the\n" | |
587 | " standard output stream (with -v option) for subsequent inspection.\n" | |
588 | " -b, -- read from the VM state rather than the virtual disk\n" | |
589 | " -C, -- report statistics in a machine parsable format\n" | |
590 | " -l, -- length for pattern verification (only with -P)\n" | |
093ea232 | 591 | " -p, -- ignored for backwards compatibility\n" |
797ac58c KW |
592 | " -P, -- use a pattern to verify read data\n" |
593 | " -q, -- quiet mode, do not show I/O statistics\n" | |
594 | " -s, -- start offset for pattern verification (only with -P)\n" | |
595 | " -v, -- dump buffer to standard output\n" | |
596 | "\n"); | |
597 | } | |
598 | ||
4c7b7e9b | 599 | static int read_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
600 | |
601 | static const cmdinfo_t read_cmd = { | |
602 | .name = "read", | |
603 | .altname = "r", | |
604 | .cfunc = read_f, | |
605 | .argmin = 2, | |
606 | .argmax = -1, | |
093ea232 | 607 | .args = "[-abCqv] [-P pattern [-s off] [-l len]] off len", |
797ac58c KW |
608 | .oneline = "reads a number of bytes at a specified offset", |
609 | .help = read_help, | |
610 | }; | |
611 | ||
4c7b7e9b | 612 | static int read_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
613 | { |
614 | struct timeval t1, t2; | |
093ea232 | 615 | bool Cflag = false, qflag = false, vflag = false; |
dc38852a | 616 | bool Pflag = false, sflag = false, lflag = false, bflag = false; |
797ac58c KW |
617 | int c, cnt; |
618 | char *buf; | |
619 | int64_t offset; | |
9b0beaf3 | 620 | int64_t count; |
797ac58c | 621 | /* Some compilers get confused and warn if this is not initialized. */ |
9b0beaf3 JS |
622 | int64_t total = 0; |
623 | int pattern = 0; | |
624 | int64_t pattern_offset = 0, pattern_count = 0; | |
797ac58c | 625 | |
b062ad86 | 626 | while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != -1) { |
797ac58c KW |
627 | switch (c) { |
628 | case 'b': | |
dc38852a | 629 | bflag = true; |
797ac58c KW |
630 | break; |
631 | case 'C': | |
dc38852a | 632 | Cflag = true; |
797ac58c KW |
633 | break; |
634 | case 'l': | |
dc38852a | 635 | lflag = true; |
797ac58c KW |
636 | pattern_count = cvtnum(optarg); |
637 | if (pattern_count < 0) { | |
a9ecfa00 | 638 | print_cvtnum_err(pattern_count, optarg); |
797ac58c KW |
639 | return 0; |
640 | } | |
641 | break; | |
642 | case 'p': | |
093ea232 | 643 | /* Ignored for backwards compatibility */ |
797ac58c KW |
644 | break; |
645 | case 'P': | |
dc38852a | 646 | Pflag = true; |
797ac58c KW |
647 | pattern = parse_pattern(optarg); |
648 | if (pattern < 0) { | |
649 | return 0; | |
650 | } | |
651 | break; | |
652 | case 'q': | |
dc38852a | 653 | qflag = true; |
797ac58c KW |
654 | break; |
655 | case 's': | |
dc38852a | 656 | sflag = true; |
797ac58c KW |
657 | pattern_offset = cvtnum(optarg); |
658 | if (pattern_offset < 0) { | |
a9ecfa00 | 659 | print_cvtnum_err(pattern_offset, optarg); |
797ac58c KW |
660 | return 0; |
661 | } | |
662 | break; | |
663 | case 'v': | |
dc38852a | 664 | vflag = true; |
797ac58c KW |
665 | break; |
666 | default: | |
c2cdf5c5 | 667 | return qemuio_command_usage(&read_cmd); |
797ac58c KW |
668 | } |
669 | } | |
670 | ||
671 | if (optind != argc - 2) { | |
c2cdf5c5 | 672 | return qemuio_command_usage(&read_cmd); |
797ac58c KW |
673 | } |
674 | ||
797ac58c KW |
675 | offset = cvtnum(argv[optind]); |
676 | if (offset < 0) { | |
a9ecfa00 | 677 | print_cvtnum_err(offset, argv[optind]); |
797ac58c KW |
678 | return 0; |
679 | } | |
680 | ||
681 | optind++; | |
682 | count = cvtnum(argv[optind]); | |
683 | if (count < 0) { | |
a9ecfa00 | 684 | print_cvtnum_err(count, argv[optind]); |
797ac58c | 685 | return 0; |
9b0beaf3 JS |
686 | } else if (count > SIZE_MAX) { |
687 | printf("length cannot exceed %" PRIu64 ", given %s\n", | |
688 | (uint64_t) SIZE_MAX, argv[optind]); | |
689 | return 0; | |
797ac58c KW |
690 | } |
691 | ||
692 | if (!Pflag && (lflag || sflag)) { | |
c2cdf5c5 | 693 | return qemuio_command_usage(&read_cmd); |
797ac58c KW |
694 | } |
695 | ||
696 | if (!lflag) { | |
697 | pattern_count = count - pattern_offset; | |
698 | } | |
699 | ||
700 | if ((pattern_count < 0) || (pattern_count + pattern_offset > count)) { | |
701 | printf("pattern verification range exceeds end of read data\n"); | |
702 | return 0; | |
703 | } | |
704 | ||
093ea232 | 705 | if (bflag) { |
797ac58c KW |
706 | if (offset & 0x1ff) { |
707 | printf("offset %" PRId64 " is not sector aligned\n", | |
708 | offset); | |
709 | return 0; | |
710 | } | |
711 | if (count & 0x1ff) { | |
9b0beaf3 | 712 | printf("count %"PRId64" is not sector aligned\n", |
797ac58c KW |
713 | count); |
714 | return 0; | |
715 | } | |
716 | } | |
717 | ||
4c7b7e9b | 718 | buf = qemu_io_alloc(blk, count, 0xab); |
797ac58c KW |
719 | |
720 | gettimeofday(&t1, NULL); | |
7b3f9712 | 721 | if (bflag) { |
4c7b7e9b | 722 | cnt = do_load_vmstate(blk, buf, offset, count, &total); |
797ac58c | 723 | } else { |
7b3f9712 | 724 | cnt = do_pread(blk, buf, offset, count, &total); |
797ac58c KW |
725 | } |
726 | gettimeofday(&t2, NULL); | |
727 | ||
728 | if (cnt < 0) { | |
729 | printf("read failed: %s\n", strerror(-cnt)); | |
730 | goto out; | |
731 | } | |
732 | ||
733 | if (Pflag) { | |
734 | void *cmp_buf = g_malloc(pattern_count); | |
735 | memset(cmp_buf, pattern, pattern_count); | |
736 | if (memcmp(buf + pattern_offset, cmp_buf, pattern_count)) { | |
737 | printf("Pattern verification failed at offset %" | |
9b0beaf3 | 738 | PRId64 ", %"PRId64" bytes\n", |
797ac58c KW |
739 | offset + pattern_offset, pattern_count); |
740 | } | |
741 | g_free(cmp_buf); | |
742 | } | |
743 | ||
744 | if (qflag) { | |
745 | goto out; | |
746 | } | |
747 | ||
748 | if (vflag) { | |
749 | dump_buffer(buf, offset, count); | |
750 | } | |
751 | ||
752 | /* Finally, report back -- -C gives a parsable format */ | |
753 | t2 = tsub(t2, t1); | |
754 | print_report("read", &t2, offset, count, total, cnt, Cflag); | |
755 | ||
756 | out: | |
757 | qemu_io_free(buf); | |
758 | ||
759 | return 0; | |
760 | } | |
761 | ||
762 | static void readv_help(void) | |
763 | { | |
764 | printf( | |
765 | "\n" | |
766 | " reads a range of bytes from the given offset into multiple buffers\n" | |
767 | "\n" | |
768 | " Example:\n" | |
769 | " 'readv -v 512 1k 1k ' - dumps 2 kilobytes read from 512 bytes into the file\n" | |
770 | "\n" | |
771 | " Reads a segment of the currently open file, optionally dumping it to the\n" | |
772 | " standard output stream (with -v option) for subsequent inspection.\n" | |
773 | " Uses multiple iovec buffers if more than one byte range is specified.\n" | |
774 | " -C, -- report statistics in a machine parsable format\n" | |
775 | " -P, -- use a pattern to verify read data\n" | |
776 | " -v, -- dump buffer to standard output\n" | |
777 | " -q, -- quiet mode, do not show I/O statistics\n" | |
778 | "\n"); | |
779 | } | |
780 | ||
4c7b7e9b | 781 | static int readv_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
782 | |
783 | static const cmdinfo_t readv_cmd = { | |
784 | .name = "readv", | |
785 | .cfunc = readv_f, | |
786 | .argmin = 2, | |
787 | .argmax = -1, | |
093ea232 | 788 | .args = "[-Cqv] [-P pattern] off len [len..]", |
797ac58c KW |
789 | .oneline = "reads a number of bytes at a specified offset", |
790 | .help = readv_help, | |
791 | }; | |
792 | ||
4c7b7e9b | 793 | static int readv_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
794 | { |
795 | struct timeval t1, t2; | |
dc38852a | 796 | bool Cflag = false, qflag = false, vflag = false; |
797ac58c KW |
797 | int c, cnt; |
798 | char *buf; | |
799 | int64_t offset; | |
800 | /* Some compilers get confused and warn if this is not initialized. */ | |
801 | int total = 0; | |
802 | int nr_iov; | |
803 | QEMUIOVector qiov; | |
804 | int pattern = 0; | |
dc38852a | 805 | bool Pflag = false; |
797ac58c | 806 | |
b062ad86 | 807 | while ((c = getopt(argc, argv, "CP:qv")) != -1) { |
797ac58c KW |
808 | switch (c) { |
809 | case 'C': | |
dc38852a | 810 | Cflag = true; |
797ac58c KW |
811 | break; |
812 | case 'P': | |
dc38852a | 813 | Pflag = true; |
797ac58c KW |
814 | pattern = parse_pattern(optarg); |
815 | if (pattern < 0) { | |
816 | return 0; | |
817 | } | |
818 | break; | |
819 | case 'q': | |
dc38852a | 820 | qflag = true; |
797ac58c KW |
821 | break; |
822 | case 'v': | |
dc38852a | 823 | vflag = true; |
797ac58c KW |
824 | break; |
825 | default: | |
c2cdf5c5 | 826 | return qemuio_command_usage(&readv_cmd); |
797ac58c KW |
827 | } |
828 | } | |
829 | ||
830 | if (optind > argc - 2) { | |
c2cdf5c5 | 831 | return qemuio_command_usage(&readv_cmd); |
797ac58c KW |
832 | } |
833 | ||
834 | ||
835 | offset = cvtnum(argv[optind]); | |
836 | if (offset < 0) { | |
a9ecfa00 | 837 | print_cvtnum_err(offset, argv[optind]); |
797ac58c KW |
838 | return 0; |
839 | } | |
840 | optind++; | |
841 | ||
797ac58c | 842 | nr_iov = argc - optind; |
4c7b7e9b | 843 | buf = create_iovec(blk, &qiov, &argv[optind], nr_iov, 0xab); |
797ac58c KW |
844 | if (buf == NULL) { |
845 | return 0; | |
846 | } | |
847 | ||
848 | gettimeofday(&t1, NULL); | |
4c7b7e9b | 849 | cnt = do_aio_readv(blk, &qiov, offset, &total); |
797ac58c KW |
850 | gettimeofday(&t2, NULL); |
851 | ||
852 | if (cnt < 0) { | |
853 | printf("readv failed: %s\n", strerror(-cnt)); | |
854 | goto out; | |
855 | } | |
856 | ||
857 | if (Pflag) { | |
858 | void *cmp_buf = g_malloc(qiov.size); | |
859 | memset(cmp_buf, pattern, qiov.size); | |
860 | if (memcmp(buf, cmp_buf, qiov.size)) { | |
861 | printf("Pattern verification failed at offset %" | |
862 | PRId64 ", %zd bytes\n", offset, qiov.size); | |
863 | } | |
864 | g_free(cmp_buf); | |
865 | } | |
866 | ||
867 | if (qflag) { | |
868 | goto out; | |
869 | } | |
870 | ||
871 | if (vflag) { | |
872 | dump_buffer(buf, offset, qiov.size); | |
873 | } | |
874 | ||
875 | /* Finally, report back -- -C gives a parsable format */ | |
876 | t2 = tsub(t2, t1); | |
877 | print_report("read", &t2, offset, qiov.size, total, cnt, Cflag); | |
878 | ||
879 | out: | |
880 | qemu_iovec_destroy(&qiov); | |
881 | qemu_io_free(buf); | |
882 | return 0; | |
883 | } | |
884 | ||
885 | static void write_help(void) | |
886 | { | |
887 | printf( | |
888 | "\n" | |
889 | " writes a range of bytes from the given offset\n" | |
890 | "\n" | |
891 | " Example:\n" | |
892 | " 'write 512 1k' - writes 1 kilobyte at 512 bytes into the open file\n" | |
893 | "\n" | |
894 | " Writes into a segment of the currently open file, using a buffer\n" | |
895 | " filled with a set pattern (0xcdcdcdcd).\n" | |
896 | " -b, -- write to the VM state rather than the virtual disk\n" | |
4c7b7e9b | 897 | " -c, -- write compressed data with blk_write_compressed\n" |
770e0e0e | 898 | " -f, -- use Force Unit Access semantics\n" |
093ea232 | 899 | " -p, -- ignored for backwards compatibility\n" |
797ac58c KW |
900 | " -P, -- use different pattern to fill file\n" |
901 | " -C, -- report statistics in a machine parsable format\n" | |
902 | " -q, -- quiet mode, do not show I/O statistics\n" | |
c2e001cc | 903 | " -u, -- with -z, allow unmapping\n" |
4c7b7e9b | 904 | " -z, -- write zeroes using blk_co_write_zeroes\n" |
797ac58c KW |
905 | "\n"); |
906 | } | |
907 | ||
4c7b7e9b | 908 | static int write_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
909 | |
910 | static const cmdinfo_t write_cmd = { | |
911 | .name = "write", | |
912 | .altname = "w", | |
913 | .cfunc = write_f, | |
914 | .argmin = 2, | |
915 | .argmax = -1, | |
c2e001cc | 916 | .args = "[-bcCfquz] [-P pattern] off len", |
797ac58c KW |
917 | .oneline = "writes a number of bytes at a specified offset", |
918 | .help = write_help, | |
919 | }; | |
920 | ||
4c7b7e9b | 921 | static int write_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
922 | { |
923 | struct timeval t1, t2; | |
093ea232 | 924 | bool Cflag = false, qflag = false, bflag = false; |
dc38852a | 925 | bool Pflag = false, zflag = false, cflag = false; |
770e0e0e | 926 | int flags = 0; |
797ac58c KW |
927 | int c, cnt; |
928 | char *buf = NULL; | |
929 | int64_t offset; | |
9b0beaf3 | 930 | int64_t count; |
797ac58c | 931 | /* Some compilers get confused and warn if this is not initialized. */ |
9b0beaf3 | 932 | int64_t total = 0; |
797ac58c KW |
933 | int pattern = 0xcd; |
934 | ||
c2e001cc | 935 | while ((c = getopt(argc, argv, "bcCfpP:quz")) != -1) { |
797ac58c KW |
936 | switch (c) { |
937 | case 'b': | |
dc38852a | 938 | bflag = true; |
797ac58c KW |
939 | break; |
940 | case 'c': | |
dc38852a | 941 | cflag = true; |
797ac58c KW |
942 | break; |
943 | case 'C': | |
dc38852a | 944 | Cflag = true; |
797ac58c | 945 | break; |
770e0e0e EB |
946 | case 'f': |
947 | flags |= BDRV_REQ_FUA; | |
948 | break; | |
797ac58c | 949 | case 'p': |
093ea232 | 950 | /* Ignored for backwards compatibility */ |
797ac58c KW |
951 | break; |
952 | case 'P': | |
dc38852a | 953 | Pflag = true; |
797ac58c KW |
954 | pattern = parse_pattern(optarg); |
955 | if (pattern < 0) { | |
956 | return 0; | |
957 | } | |
958 | break; | |
959 | case 'q': | |
dc38852a | 960 | qflag = true; |
797ac58c | 961 | break; |
c2e001cc EB |
962 | case 'u': |
963 | flags |= BDRV_REQ_MAY_UNMAP; | |
964 | break; | |
797ac58c | 965 | case 'z': |
dc38852a | 966 | zflag = true; |
797ac58c KW |
967 | break; |
968 | default: | |
c2cdf5c5 | 969 | return qemuio_command_usage(&write_cmd); |
797ac58c KW |
970 | } |
971 | } | |
972 | ||
973 | if (optind != argc - 2) { | |
c2cdf5c5 | 974 | return qemuio_command_usage(&write_cmd); |
797ac58c KW |
975 | } |
976 | ||
093ea232 EB |
977 | if (bflag && zflag) { |
978 | printf("-b and -z cannot be specified at the same time\n"); | |
797ac58c KW |
979 | return 0; |
980 | } | |
981 | ||
770e0e0e EB |
982 | if ((flags & BDRV_REQ_FUA) && (bflag || cflag)) { |
983 | printf("-f and -b or -c cannot be specified at the same time\n"); | |
984 | return 0; | |
985 | } | |
986 | ||
c2e001cc EB |
987 | if ((flags & BDRV_REQ_MAY_UNMAP) && !zflag) { |
988 | printf("-u requires -z to be specified\n"); | |
989 | return 0; | |
990 | } | |
991 | ||
797ac58c KW |
992 | if (zflag && Pflag) { |
993 | printf("-z and -P cannot be specified at the same time\n"); | |
994 | return 0; | |
995 | } | |
996 | ||
997 | offset = cvtnum(argv[optind]); | |
998 | if (offset < 0) { | |
a9ecfa00 | 999 | print_cvtnum_err(offset, argv[optind]); |
797ac58c KW |
1000 | return 0; |
1001 | } | |
1002 | ||
1003 | optind++; | |
1004 | count = cvtnum(argv[optind]); | |
1005 | if (count < 0) { | |
a9ecfa00 | 1006 | print_cvtnum_err(count, argv[optind]); |
797ac58c | 1007 | return 0; |
9b0beaf3 JS |
1008 | } else if (count > SIZE_MAX) { |
1009 | printf("length cannot exceed %" PRIu64 ", given %s\n", | |
1010 | (uint64_t) SIZE_MAX, argv[optind]); | |
1011 | return 0; | |
797ac58c KW |
1012 | } |
1013 | ||
093ea232 | 1014 | if (bflag || cflag) { |
797ac58c KW |
1015 | if (offset & 0x1ff) { |
1016 | printf("offset %" PRId64 " is not sector aligned\n", | |
1017 | offset); | |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | if (count & 0x1ff) { | |
9b0beaf3 | 1022 | printf("count %"PRId64" is not sector aligned\n", |
797ac58c KW |
1023 | count); |
1024 | return 0; | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | if (!zflag) { | |
4c7b7e9b | 1029 | buf = qemu_io_alloc(blk, count, pattern); |
797ac58c KW |
1030 | } |
1031 | ||
1032 | gettimeofday(&t1, NULL); | |
7b3f9712 | 1033 | if (bflag) { |
4c7b7e9b | 1034 | cnt = do_save_vmstate(blk, buf, offset, count, &total); |
797ac58c | 1035 | } else if (zflag) { |
770e0e0e | 1036 | cnt = do_co_write_zeroes(blk, offset, count, flags, &total); |
797ac58c | 1037 | } else if (cflag) { |
4c7b7e9b | 1038 | cnt = do_write_compressed(blk, buf, offset, count, &total); |
797ac58c | 1039 | } else { |
770e0e0e | 1040 | cnt = do_pwrite(blk, buf, offset, count, flags, &total); |
797ac58c KW |
1041 | } |
1042 | gettimeofday(&t2, NULL); | |
1043 | ||
1044 | if (cnt < 0) { | |
1045 | printf("write failed: %s\n", strerror(-cnt)); | |
1046 | goto out; | |
1047 | } | |
1048 | ||
1049 | if (qflag) { | |
1050 | goto out; | |
1051 | } | |
1052 | ||
1053 | /* Finally, report back -- -C gives a parsable format */ | |
1054 | t2 = tsub(t2, t1); | |
1055 | print_report("wrote", &t2, offset, count, total, cnt, Cflag); | |
1056 | ||
1057 | out: | |
1058 | if (!zflag) { | |
1059 | qemu_io_free(buf); | |
1060 | } | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | static void | |
1066 | writev_help(void) | |
1067 | { | |
1068 | printf( | |
1069 | "\n" | |
1070 | " writes a range of bytes from the given offset source from multiple buffers\n" | |
1071 | "\n" | |
1072 | " Example:\n" | |
6e6507c0 | 1073 | " 'writev 512 1k 1k' - writes 2 kilobytes at 512 bytes into the open file\n" |
797ac58c KW |
1074 | "\n" |
1075 | " Writes into a segment of the currently open file, using a buffer\n" | |
1076 | " filled with a set pattern (0xcdcdcdcd).\n" | |
1077 | " -P, -- use different pattern to fill file\n" | |
1078 | " -C, -- report statistics in a machine parsable format\n" | |
770e0e0e | 1079 | " -f, -- use Force Unit Access semantics\n" |
797ac58c KW |
1080 | " -q, -- quiet mode, do not show I/O statistics\n" |
1081 | "\n"); | |
1082 | } | |
1083 | ||
4c7b7e9b | 1084 | static int writev_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
1085 | |
1086 | static const cmdinfo_t writev_cmd = { | |
1087 | .name = "writev", | |
1088 | .cfunc = writev_f, | |
1089 | .argmin = 2, | |
1090 | .argmax = -1, | |
770e0e0e | 1091 | .args = "[-Cfq] [-P pattern] off len [len..]", |
797ac58c KW |
1092 | .oneline = "writes a number of bytes at a specified offset", |
1093 | .help = writev_help, | |
1094 | }; | |
1095 | ||
4c7b7e9b | 1096 | static int writev_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1097 | { |
1098 | struct timeval t1, t2; | |
dc38852a | 1099 | bool Cflag = false, qflag = false; |
770e0e0e | 1100 | int flags = 0; |
797ac58c KW |
1101 | int c, cnt; |
1102 | char *buf; | |
1103 | int64_t offset; | |
1104 | /* Some compilers get confused and warn if this is not initialized. */ | |
1105 | int total = 0; | |
1106 | int nr_iov; | |
1107 | int pattern = 0xcd; | |
1108 | QEMUIOVector qiov; | |
1109 | ||
4ca1d340 | 1110 | while ((c = getopt(argc, argv, "CfqP:")) != -1) { |
797ac58c KW |
1111 | switch (c) { |
1112 | case 'C': | |
dc38852a | 1113 | Cflag = true; |
797ac58c | 1114 | break; |
770e0e0e EB |
1115 | case 'f': |
1116 | flags |= BDRV_REQ_FUA; | |
1117 | break; | |
797ac58c | 1118 | case 'q': |
dc38852a | 1119 | qflag = true; |
797ac58c KW |
1120 | break; |
1121 | case 'P': | |
1122 | pattern = parse_pattern(optarg); | |
1123 | if (pattern < 0) { | |
1124 | return 0; | |
1125 | } | |
1126 | break; | |
1127 | default: | |
c2cdf5c5 | 1128 | return qemuio_command_usage(&writev_cmd); |
797ac58c KW |
1129 | } |
1130 | } | |
1131 | ||
1132 | if (optind > argc - 2) { | |
c2cdf5c5 | 1133 | return qemuio_command_usage(&writev_cmd); |
797ac58c KW |
1134 | } |
1135 | ||
1136 | offset = cvtnum(argv[optind]); | |
1137 | if (offset < 0) { | |
a9ecfa00 | 1138 | print_cvtnum_err(offset, argv[optind]); |
797ac58c KW |
1139 | return 0; |
1140 | } | |
1141 | optind++; | |
1142 | ||
797ac58c | 1143 | nr_iov = argc - optind; |
4c7b7e9b | 1144 | buf = create_iovec(blk, &qiov, &argv[optind], nr_iov, pattern); |
797ac58c KW |
1145 | if (buf == NULL) { |
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | gettimeofday(&t1, NULL); | |
770e0e0e | 1150 | cnt = do_aio_writev(blk, &qiov, offset, flags, &total); |
797ac58c KW |
1151 | gettimeofday(&t2, NULL); |
1152 | ||
1153 | if (cnt < 0) { | |
1154 | printf("writev failed: %s\n", strerror(-cnt)); | |
1155 | goto out; | |
1156 | } | |
1157 | ||
1158 | if (qflag) { | |
1159 | goto out; | |
1160 | } | |
1161 | ||
1162 | /* Finally, report back -- -C gives a parsable format */ | |
1163 | t2 = tsub(t2, t1); | |
1164 | print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag); | |
1165 | out: | |
1166 | qemu_iovec_destroy(&qiov); | |
1167 | qemu_io_free(buf); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
797ac58c | 1171 | struct aio_ctx { |
4c7b7e9b | 1172 | BlockBackend *blk; |
797ac58c KW |
1173 | QEMUIOVector qiov; |
1174 | int64_t offset; | |
1175 | char *buf; | |
dc38852a EB |
1176 | bool qflag; |
1177 | bool vflag; | |
1178 | bool Cflag; | |
1179 | bool Pflag; | |
1180 | bool zflag; | |
a91f9584 | 1181 | BlockAcctCookie acct; |
797ac58c KW |
1182 | int pattern; |
1183 | struct timeval t1; | |
1184 | }; | |
1185 | ||
1186 | static void aio_write_done(void *opaque, int ret) | |
1187 | { | |
1188 | struct aio_ctx *ctx = opaque; | |
1189 | struct timeval t2; | |
1190 | ||
1191 | gettimeofday(&t2, NULL); | |
1192 | ||
1193 | ||
1194 | if (ret < 0) { | |
1195 | printf("aio_write failed: %s\n", strerror(-ret)); | |
556c2b60 | 1196 | block_acct_failed(blk_get_stats(ctx->blk), &ctx->acct); |
797ac58c KW |
1197 | goto out; |
1198 | } | |
1199 | ||
4c7b7e9b | 1200 | block_acct_done(blk_get_stats(ctx->blk), &ctx->acct); |
a91f9584 | 1201 | |
797ac58c KW |
1202 | if (ctx->qflag) { |
1203 | goto out; | |
1204 | } | |
1205 | ||
1206 | /* Finally, report back -- -C gives a parsable format */ | |
1207 | t2 = tsub(t2, ctx->t1); | |
1208 | print_report("wrote", &t2, ctx->offset, ctx->qiov.size, | |
1209 | ctx->qiov.size, 1, ctx->Cflag); | |
1210 | out: | |
5ceb7765 KW |
1211 | if (!ctx->zflag) { |
1212 | qemu_io_free(ctx->buf); | |
1213 | qemu_iovec_destroy(&ctx->qiov); | |
1214 | } | |
797ac58c KW |
1215 | g_free(ctx); |
1216 | } | |
1217 | ||
1218 | static void aio_read_done(void *opaque, int ret) | |
1219 | { | |
1220 | struct aio_ctx *ctx = opaque; | |
1221 | struct timeval t2; | |
1222 | ||
1223 | gettimeofday(&t2, NULL); | |
1224 | ||
1225 | if (ret < 0) { | |
1226 | printf("readv failed: %s\n", strerror(-ret)); | |
556c2b60 | 1227 | block_acct_failed(blk_get_stats(ctx->blk), &ctx->acct); |
797ac58c KW |
1228 | goto out; |
1229 | } | |
1230 | ||
1231 | if (ctx->Pflag) { | |
1232 | void *cmp_buf = g_malloc(ctx->qiov.size); | |
1233 | ||
1234 | memset(cmp_buf, ctx->pattern, ctx->qiov.size); | |
1235 | if (memcmp(ctx->buf, cmp_buf, ctx->qiov.size)) { | |
1236 | printf("Pattern verification failed at offset %" | |
1237 | PRId64 ", %zd bytes\n", ctx->offset, ctx->qiov.size); | |
1238 | } | |
1239 | g_free(cmp_buf); | |
1240 | } | |
1241 | ||
4c7b7e9b | 1242 | block_acct_done(blk_get_stats(ctx->blk), &ctx->acct); |
a91f9584 | 1243 | |
797ac58c KW |
1244 | if (ctx->qflag) { |
1245 | goto out; | |
1246 | } | |
1247 | ||
1248 | if (ctx->vflag) { | |
1249 | dump_buffer(ctx->buf, ctx->offset, ctx->qiov.size); | |
1250 | } | |
1251 | ||
1252 | /* Finally, report back -- -C gives a parsable format */ | |
1253 | t2 = tsub(t2, ctx->t1); | |
1254 | print_report("read", &t2, ctx->offset, ctx->qiov.size, | |
1255 | ctx->qiov.size, 1, ctx->Cflag); | |
1256 | out: | |
1257 | qemu_io_free(ctx->buf); | |
1258 | qemu_iovec_destroy(&ctx->qiov); | |
1259 | g_free(ctx); | |
1260 | } | |
1261 | ||
1262 | static void aio_read_help(void) | |
1263 | { | |
1264 | printf( | |
1265 | "\n" | |
1266 | " asynchronously reads a range of bytes from the given offset\n" | |
1267 | "\n" | |
1268 | " Example:\n" | |
1269 | " 'aio_read -v 512 1k 1k ' - dumps 2 kilobytes read from 512 bytes into the file\n" | |
1270 | "\n" | |
1271 | " Reads a segment of the currently open file, optionally dumping it to the\n" | |
1272 | " standard output stream (with -v option) for subsequent inspection.\n" | |
1273 | " The read is performed asynchronously and the aio_flush command must be\n" | |
1274 | " used to ensure all outstanding aio requests have been completed.\n" | |
1275 | " -C, -- report statistics in a machine parsable format\n" | |
1276 | " -P, -- use a pattern to verify read data\n" | |
1277 | " -v, -- dump buffer to standard output\n" | |
1278 | " -q, -- quiet mode, do not show I/O statistics\n" | |
1279 | "\n"); | |
1280 | } | |
1281 | ||
4c7b7e9b | 1282 | static int aio_read_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
1283 | |
1284 | static const cmdinfo_t aio_read_cmd = { | |
1285 | .name = "aio_read", | |
1286 | .cfunc = aio_read_f, | |
1287 | .argmin = 2, | |
1288 | .argmax = -1, | |
093ea232 | 1289 | .args = "[-Cqv] [-P pattern] off len [len..]", |
797ac58c KW |
1290 | .oneline = "asynchronously reads a number of bytes", |
1291 | .help = aio_read_help, | |
1292 | }; | |
1293 | ||
4c7b7e9b | 1294 | static int aio_read_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1295 | { |
1296 | int nr_iov, c; | |
1297 | struct aio_ctx *ctx = g_new0(struct aio_ctx, 1); | |
1298 | ||
4c7b7e9b | 1299 | ctx->blk = blk; |
b062ad86 | 1300 | while ((c = getopt(argc, argv, "CP:qv")) != -1) { |
797ac58c KW |
1301 | switch (c) { |
1302 | case 'C': | |
dc38852a | 1303 | ctx->Cflag = true; |
797ac58c KW |
1304 | break; |
1305 | case 'P': | |
dc38852a | 1306 | ctx->Pflag = true; |
797ac58c KW |
1307 | ctx->pattern = parse_pattern(optarg); |
1308 | if (ctx->pattern < 0) { | |
1309 | g_free(ctx); | |
1310 | return 0; | |
1311 | } | |
1312 | break; | |
1313 | case 'q': | |
dc38852a | 1314 | ctx->qflag = true; |
797ac58c KW |
1315 | break; |
1316 | case 'v': | |
dc38852a | 1317 | ctx->vflag = true; |
797ac58c KW |
1318 | break; |
1319 | default: | |
1320 | g_free(ctx); | |
c2cdf5c5 | 1321 | return qemuio_command_usage(&aio_read_cmd); |
797ac58c KW |
1322 | } |
1323 | } | |
1324 | ||
1325 | if (optind > argc - 2) { | |
1326 | g_free(ctx); | |
c2cdf5c5 | 1327 | return qemuio_command_usage(&aio_read_cmd); |
797ac58c KW |
1328 | } |
1329 | ||
1330 | ctx->offset = cvtnum(argv[optind]); | |
1331 | if (ctx->offset < 0) { | |
a9ecfa00 | 1332 | print_cvtnum_err(ctx->offset, argv[optind]); |
797ac58c KW |
1333 | g_free(ctx); |
1334 | return 0; | |
1335 | } | |
1336 | optind++; | |
1337 | ||
797ac58c | 1338 | nr_iov = argc - optind; |
4c7b7e9b | 1339 | ctx->buf = create_iovec(blk, &ctx->qiov, &argv[optind], nr_iov, 0xab); |
797ac58c | 1340 | if (ctx->buf == NULL) { |
556c2b60 | 1341 | block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ); |
797ac58c KW |
1342 | g_free(ctx); |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | gettimeofday(&ctx->t1, NULL); | |
4c7b7e9b HR |
1347 | block_acct_start(blk_get_stats(blk), &ctx->acct, ctx->qiov.size, |
1348 | BLOCK_ACCT_READ); | |
7b3f9712 | 1349 | blk_aio_preadv(blk, ctx->offset, &ctx->qiov, 0, aio_read_done, ctx); |
797ac58c KW |
1350 | return 0; |
1351 | } | |
1352 | ||
1353 | static void aio_write_help(void) | |
1354 | { | |
1355 | printf( | |
1356 | "\n" | |
1357 | " asynchronously writes a range of bytes from the given offset source\n" | |
1358 | " from multiple buffers\n" | |
1359 | "\n" | |
1360 | " Example:\n" | |
1361 | " 'aio_write 512 1k 1k' - writes 2 kilobytes at 512 bytes into the open file\n" | |
1362 | "\n" | |
1363 | " Writes into a segment of the currently open file, using a buffer\n" | |
1364 | " filled with a set pattern (0xcdcdcdcd).\n" | |
1365 | " The write is performed asynchronously and the aio_flush command must be\n" | |
1366 | " used to ensure all outstanding aio requests have been completed.\n" | |
1367 | " -P, -- use different pattern to fill file\n" | |
1368 | " -C, -- report statistics in a machine parsable format\n" | |
770e0e0e | 1369 | " -f, -- use Force Unit Access semantics\n" |
797ac58c | 1370 | " -q, -- quiet mode, do not show I/O statistics\n" |
c2e001cc | 1371 | " -u, -- with -z, allow unmapping\n" |
5ceb7765 | 1372 | " -z, -- write zeroes using blk_aio_write_zeroes\n" |
797ac58c KW |
1373 | "\n"); |
1374 | } | |
1375 | ||
4c7b7e9b | 1376 | static int aio_write_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
1377 | |
1378 | static const cmdinfo_t aio_write_cmd = { | |
1379 | .name = "aio_write", | |
1380 | .cfunc = aio_write_f, | |
1381 | .argmin = 2, | |
1382 | .argmax = -1, | |
c2e001cc | 1383 | .args = "[-Cfquz] [-P pattern] off len [len..]", |
797ac58c KW |
1384 | .oneline = "asynchronously writes a number of bytes", |
1385 | .help = aio_write_help, | |
1386 | }; | |
1387 | ||
4c7b7e9b | 1388 | static int aio_write_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1389 | { |
1390 | int nr_iov, c; | |
1391 | int pattern = 0xcd; | |
1392 | struct aio_ctx *ctx = g_new0(struct aio_ctx, 1); | |
770e0e0e | 1393 | int flags = 0; |
797ac58c | 1394 | |
4c7b7e9b | 1395 | ctx->blk = blk; |
4ca1d340 | 1396 | while ((c = getopt(argc, argv, "CfqP:uz")) != -1) { |
797ac58c KW |
1397 | switch (c) { |
1398 | case 'C': | |
dc38852a | 1399 | ctx->Cflag = true; |
797ac58c | 1400 | break; |
770e0e0e EB |
1401 | case 'f': |
1402 | flags |= BDRV_REQ_FUA; | |
1403 | break; | |
797ac58c | 1404 | case 'q': |
dc38852a | 1405 | ctx->qflag = true; |
797ac58c | 1406 | break; |
c2e001cc EB |
1407 | case 'u': |
1408 | flags |= BDRV_REQ_MAY_UNMAP; | |
1409 | break; | |
797ac58c KW |
1410 | case 'P': |
1411 | pattern = parse_pattern(optarg); | |
1412 | if (pattern < 0) { | |
1413 | g_free(ctx); | |
1414 | return 0; | |
1415 | } | |
1416 | break; | |
5ceb7765 | 1417 | case 'z': |
dc38852a | 1418 | ctx->zflag = true; |
5ceb7765 | 1419 | break; |
797ac58c KW |
1420 | default: |
1421 | g_free(ctx); | |
c2cdf5c5 | 1422 | return qemuio_command_usage(&aio_write_cmd); |
797ac58c KW |
1423 | } |
1424 | } | |
1425 | ||
1426 | if (optind > argc - 2) { | |
1427 | g_free(ctx); | |
c2cdf5c5 | 1428 | return qemuio_command_usage(&aio_write_cmd); |
797ac58c KW |
1429 | } |
1430 | ||
5ceb7765 KW |
1431 | if (ctx->zflag && optind != argc - 2) { |
1432 | printf("-z supports only a single length parameter\n"); | |
1433 | g_free(ctx); | |
1434 | return 0; | |
1435 | } | |
1436 | ||
c2e001cc EB |
1437 | if ((flags & BDRV_REQ_MAY_UNMAP) && !ctx->zflag) { |
1438 | printf("-u requires -z to be specified\n"); | |
4ca1d340 | 1439 | g_free(ctx); |
c2e001cc EB |
1440 | return 0; |
1441 | } | |
1442 | ||
5ceb7765 KW |
1443 | if (ctx->zflag && ctx->Pflag) { |
1444 | printf("-z and -P cannot be specified at the same time\n"); | |
1445 | g_free(ctx); | |
1446 | return 0; | |
1447 | } | |
1448 | ||
797ac58c KW |
1449 | ctx->offset = cvtnum(argv[optind]); |
1450 | if (ctx->offset < 0) { | |
a9ecfa00 | 1451 | print_cvtnum_err(ctx->offset, argv[optind]); |
797ac58c KW |
1452 | g_free(ctx); |
1453 | return 0; | |
1454 | } | |
1455 | optind++; | |
1456 | ||
5ceb7765 KW |
1457 | if (ctx->zflag) { |
1458 | int64_t count = cvtnum(argv[optind]); | |
1459 | if (count < 0) { | |
1460 | print_cvtnum_err(count, argv[optind]); | |
0e01b76e | 1461 | g_free(ctx); |
5ceb7765 KW |
1462 | return 0; |
1463 | } | |
797ac58c | 1464 | |
5ceb7765 | 1465 | ctx->qiov.size = count; |
770e0e0e EB |
1466 | blk_aio_write_zeroes(blk, ctx->offset, count, flags, aio_write_done, |
1467 | ctx); | |
5ceb7765 KW |
1468 | } else { |
1469 | nr_iov = argc - optind; | |
1470 | ctx->buf = create_iovec(blk, &ctx->qiov, &argv[optind], nr_iov, | |
1471 | pattern); | |
1472 | if (ctx->buf == NULL) { | |
1473 | block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE); | |
1474 | g_free(ctx); | |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | gettimeofday(&ctx->t1, NULL); | |
1479 | block_acct_start(blk_get_stats(blk), &ctx->acct, ctx->qiov.size, | |
1480 | BLOCK_ACCT_WRITE); | |
1481 | ||
770e0e0e EB |
1482 | blk_aio_pwritev(blk, ctx->offset, &ctx->qiov, flags, aio_write_done, |
1483 | ctx); | |
5ceb7765 | 1484 | } |
797ac58c KW |
1485 | return 0; |
1486 | } | |
1487 | ||
4c7b7e9b | 1488 | static int aio_flush_f(BlockBackend *blk, int argc, char **argv) |
797ac58c | 1489 | { |
556c2b60 AG |
1490 | BlockAcctCookie cookie; |
1491 | block_acct_start(blk_get_stats(blk), &cookie, 0, BLOCK_ACCT_FLUSH); | |
4c7b7e9b | 1492 | blk_drain_all(); |
556c2b60 | 1493 | block_acct_done(blk_get_stats(blk), &cookie); |
797ac58c KW |
1494 | return 0; |
1495 | } | |
1496 | ||
1497 | static const cmdinfo_t aio_flush_cmd = { | |
1498 | .name = "aio_flush", | |
1499 | .cfunc = aio_flush_f, | |
1500 | .oneline = "completes all outstanding aio requests" | |
1501 | }; | |
1502 | ||
4c7b7e9b | 1503 | static int flush_f(BlockBackend *blk, int argc, char **argv) |
797ac58c | 1504 | { |
4c7b7e9b | 1505 | blk_flush(blk); |
797ac58c KW |
1506 | return 0; |
1507 | } | |
1508 | ||
1509 | static const cmdinfo_t flush_cmd = { | |
1510 | .name = "flush", | |
1511 | .altname = "f", | |
1512 | .cfunc = flush_f, | |
1513 | .oneline = "flush all in-core file state to disk", | |
1514 | }; | |
1515 | ||
4c7b7e9b | 1516 | static int truncate_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1517 | { |
1518 | int64_t offset; | |
1519 | int ret; | |
1520 | ||
1521 | offset = cvtnum(argv[1]); | |
1522 | if (offset < 0) { | |
a9ecfa00 | 1523 | print_cvtnum_err(offset, argv[1]); |
797ac58c KW |
1524 | return 0; |
1525 | } | |
1526 | ||
4c7b7e9b | 1527 | ret = blk_truncate(blk, offset); |
797ac58c KW |
1528 | if (ret < 0) { |
1529 | printf("truncate: %s\n", strerror(-ret)); | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | static const cmdinfo_t truncate_cmd = { | |
1537 | .name = "truncate", | |
1538 | .altname = "t", | |
1539 | .cfunc = truncate_f, | |
1540 | .argmin = 1, | |
1541 | .argmax = 1, | |
1542 | .args = "off", | |
1543 | .oneline = "truncates the current file at the given offset", | |
1544 | }; | |
1545 | ||
4c7b7e9b | 1546 | static int length_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1547 | { |
1548 | int64_t size; | |
1549 | char s1[64]; | |
1550 | ||
4c7b7e9b | 1551 | size = blk_getlength(blk); |
797ac58c KW |
1552 | if (size < 0) { |
1553 | printf("getlength: %s\n", strerror(-size)); | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | cvtstr(size, s1, sizeof(s1)); | |
1558 | printf("%s\n", s1); | |
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | ||
1563 | static const cmdinfo_t length_cmd = { | |
1564 | .name = "length", | |
1565 | .altname = "l", | |
1566 | .cfunc = length_f, | |
1567 | .oneline = "gets the length of the current file", | |
1568 | }; | |
1569 | ||
1570 | ||
4c7b7e9b | 1571 | static int info_f(BlockBackend *blk, int argc, char **argv) |
797ac58c | 1572 | { |
4c7b7e9b | 1573 | BlockDriverState *bs = blk_bs(blk); |
797ac58c | 1574 | BlockDriverInfo bdi; |
a8d8ecb7 | 1575 | ImageInfoSpecific *spec_info; |
797ac58c KW |
1576 | char s1[64], s2[64]; |
1577 | int ret; | |
1578 | ||
1579 | if (bs->drv && bs->drv->format_name) { | |
1580 | printf("format name: %s\n", bs->drv->format_name); | |
1581 | } | |
1582 | if (bs->drv && bs->drv->protocol_name) { | |
1583 | printf("format name: %s\n", bs->drv->protocol_name); | |
1584 | } | |
1585 | ||
1586 | ret = bdrv_get_info(bs, &bdi); | |
1587 | if (ret) { | |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | cvtstr(bdi.cluster_size, s1, sizeof(s1)); | |
1592 | cvtstr(bdi.vm_state_offset, s2, sizeof(s2)); | |
1593 | ||
1594 | printf("cluster size: %s\n", s1); | |
1595 | printf("vm state offset: %s\n", s2); | |
1596 | ||
a8d8ecb7 HR |
1597 | spec_info = bdrv_get_specific_info(bs); |
1598 | if (spec_info) { | |
1599 | printf("Format specific information:\n"); | |
1600 | bdrv_image_info_specific_dump(fprintf, stdout, spec_info); | |
1601 | qapi_free_ImageInfoSpecific(spec_info); | |
1602 | } | |
1603 | ||
797ac58c KW |
1604 | return 0; |
1605 | } | |
1606 | ||
1607 | ||
1608 | ||
1609 | static const cmdinfo_t info_cmd = { | |
1610 | .name = "info", | |
1611 | .altname = "i", | |
1612 | .cfunc = info_f, | |
1613 | .oneline = "prints information about the current file", | |
1614 | }; | |
1615 | ||
1616 | static void discard_help(void) | |
1617 | { | |
1618 | printf( | |
1619 | "\n" | |
1620 | " discards a range of bytes from the given offset\n" | |
1621 | "\n" | |
1622 | " Example:\n" | |
1623 | " 'discard 512 1k' - discards 1 kilobyte from 512 bytes into the file\n" | |
1624 | "\n" | |
1625 | " Discards a segment of the currently open file.\n" | |
1626 | " -C, -- report statistics in a machine parsable format\n" | |
1627 | " -q, -- quiet mode, do not show I/O statistics\n" | |
1628 | "\n"); | |
1629 | } | |
1630 | ||
4c7b7e9b | 1631 | static int discard_f(BlockBackend *blk, int argc, char **argv); |
797ac58c KW |
1632 | |
1633 | static const cmdinfo_t discard_cmd = { | |
1634 | .name = "discard", | |
1635 | .altname = "d", | |
1636 | .cfunc = discard_f, | |
1637 | .argmin = 2, | |
1638 | .argmax = -1, | |
1639 | .args = "[-Cq] off len", | |
1640 | .oneline = "discards a number of bytes at a specified offset", | |
1641 | .help = discard_help, | |
1642 | }; | |
1643 | ||
4c7b7e9b | 1644 | static int discard_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1645 | { |
1646 | struct timeval t1, t2; | |
dc38852a | 1647 | bool Cflag = false, qflag = false; |
797ac58c | 1648 | int c, ret; |
9b0beaf3 | 1649 | int64_t offset, count; |
797ac58c | 1650 | |
b062ad86 | 1651 | while ((c = getopt(argc, argv, "Cq")) != -1) { |
797ac58c KW |
1652 | switch (c) { |
1653 | case 'C': | |
dc38852a | 1654 | Cflag = true; |
797ac58c KW |
1655 | break; |
1656 | case 'q': | |
dc38852a | 1657 | qflag = true; |
797ac58c KW |
1658 | break; |
1659 | default: | |
c2cdf5c5 | 1660 | return qemuio_command_usage(&discard_cmd); |
797ac58c KW |
1661 | } |
1662 | } | |
1663 | ||
1664 | if (optind != argc - 2) { | |
c2cdf5c5 | 1665 | return qemuio_command_usage(&discard_cmd); |
797ac58c KW |
1666 | } |
1667 | ||
1668 | offset = cvtnum(argv[optind]); | |
1669 | if (offset < 0) { | |
a9ecfa00 | 1670 | print_cvtnum_err(offset, argv[optind]); |
797ac58c KW |
1671 | return 0; |
1672 | } | |
1673 | ||
1674 | optind++; | |
1675 | count = cvtnum(argv[optind]); | |
1676 | if (count < 0) { | |
a9ecfa00 | 1677 | print_cvtnum_err(count, argv[optind]); |
797ac58c | 1678 | return 0; |
9b0beaf3 JS |
1679 | } else if (count >> BDRV_SECTOR_BITS > INT_MAX) { |
1680 | printf("length cannot exceed %"PRIu64", given %s\n", | |
1681 | (uint64_t)INT_MAX << BDRV_SECTOR_BITS, | |
1682 | argv[optind]); | |
1683 | return 0; | |
797ac58c KW |
1684 | } |
1685 | ||
1686 | gettimeofday(&t1, NULL); | |
4c7b7e9b HR |
1687 | ret = blk_discard(blk, offset >> BDRV_SECTOR_BITS, |
1688 | count >> BDRV_SECTOR_BITS); | |
797ac58c KW |
1689 | gettimeofday(&t2, NULL); |
1690 | ||
1691 | if (ret < 0) { | |
1692 | printf("discard failed: %s\n", strerror(-ret)); | |
1693 | goto out; | |
1694 | } | |
1695 | ||
1696 | /* Finally, report back -- -C gives a parsable format */ | |
1697 | if (!qflag) { | |
1698 | t2 = tsub(t2, t1); | |
1699 | print_report("discard", &t2, offset, count, count, 1, Cflag); | |
1700 | } | |
1701 | ||
1702 | out: | |
1703 | return 0; | |
1704 | } | |
1705 | ||
4c7b7e9b | 1706 | static int alloc_f(BlockBackend *blk, int argc, char **argv) |
797ac58c | 1707 | { |
4c7b7e9b | 1708 | BlockDriverState *bs = blk_bs(blk); |
9b0beaf3 | 1709 | int64_t offset, sector_num, nb_sectors, remaining; |
797ac58c | 1710 | char s1[64]; |
9b0beaf3 JS |
1711 | int num, ret; |
1712 | int64_t sum_alloc; | |
797ac58c KW |
1713 | |
1714 | offset = cvtnum(argv[1]); | |
1715 | if (offset < 0) { | |
a9ecfa00 | 1716 | print_cvtnum_err(offset, argv[1]); |
797ac58c KW |
1717 | return 0; |
1718 | } else if (offset & 0x1ff) { | |
1719 | printf("offset %" PRId64 " is not sector aligned\n", | |
1720 | offset); | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | if (argc == 3) { | |
1725 | nb_sectors = cvtnum(argv[2]); | |
1726 | if (nb_sectors < 0) { | |
a9ecfa00 | 1727 | print_cvtnum_err(nb_sectors, argv[2]); |
797ac58c | 1728 | return 0; |
9b0beaf3 JS |
1729 | } else if (nb_sectors > INT_MAX) { |
1730 | printf("length argument cannot exceed %d, given %s\n", | |
1731 | INT_MAX, argv[2]); | |
1732 | return 0; | |
797ac58c KW |
1733 | } |
1734 | } else { | |
1735 | nb_sectors = 1; | |
1736 | } | |
1737 | ||
1738 | remaining = nb_sectors; | |
1739 | sum_alloc = 0; | |
1740 | sector_num = offset >> 9; | |
1741 | while (remaining) { | |
1742 | ret = bdrv_is_allocated(bs, sector_num, remaining, &num); | |
d663640c PB |
1743 | if (ret < 0) { |
1744 | printf("is_allocated failed: %s\n", strerror(-ret)); | |
1745 | return 0; | |
1746 | } | |
797ac58c KW |
1747 | sector_num += num; |
1748 | remaining -= num; | |
1749 | if (ret) { | |
1750 | sum_alloc += num; | |
1751 | } | |
1752 | if (num == 0) { | |
1753 | nb_sectors -= remaining; | |
1754 | remaining = 0; | |
1755 | } | |
1756 | } | |
1757 | ||
1758 | cvtstr(offset, s1, sizeof(s1)); | |
1759 | ||
9b0beaf3 | 1760 | printf("%"PRId64"/%"PRId64" sectors allocated at offset %s\n", |
797ac58c KW |
1761 | sum_alloc, nb_sectors, s1); |
1762 | return 0; | |
1763 | } | |
1764 | ||
1765 | static const cmdinfo_t alloc_cmd = { | |
1766 | .name = "alloc", | |
1767 | .altname = "a", | |
1768 | .argmin = 1, | |
1769 | .argmax = 2, | |
1770 | .cfunc = alloc_f, | |
1771 | .args = "off [sectors]", | |
1772 | .oneline = "checks if a sector is present in the file", | |
1773 | }; | |
1774 | ||
1775 | ||
1776 | static int map_is_allocated(BlockDriverState *bs, int64_t sector_num, | |
1777 | int64_t nb_sectors, int64_t *pnum) | |
1778 | { | |
1779 | int num, num_checked; | |
1780 | int ret, firstret; | |
1781 | ||
1782 | num_checked = MIN(nb_sectors, INT_MAX); | |
1783 | ret = bdrv_is_allocated(bs, sector_num, num_checked, &num); | |
1784 | if (ret < 0) { | |
1785 | return ret; | |
1786 | } | |
1787 | ||
1788 | firstret = ret; | |
1789 | *pnum = num; | |
1790 | ||
1791 | while (nb_sectors > 0 && ret == firstret) { | |
1792 | sector_num += num; | |
1793 | nb_sectors -= num; | |
1794 | ||
1795 | num_checked = MIN(nb_sectors, INT_MAX); | |
1796 | ret = bdrv_is_allocated(bs, sector_num, num_checked, &num); | |
4b25bbc4 | 1797 | if (ret == firstret && num) { |
797ac58c KW |
1798 | *pnum += num; |
1799 | } else { | |
1800 | break; | |
1801 | } | |
1802 | } | |
1803 | ||
1804 | return firstret; | |
1805 | } | |
1806 | ||
4c7b7e9b | 1807 | static int map_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1808 | { |
1809 | int64_t offset; | |
4c7b7e9b | 1810 | int64_t nb_sectors, total_sectors; |
797ac58c KW |
1811 | char s1[64]; |
1812 | int64_t num; | |
1813 | int ret; | |
1814 | const char *retstr; | |
1815 | ||
1816 | offset = 0; | |
4c7b7e9b HR |
1817 | total_sectors = blk_nb_sectors(blk); |
1818 | if (total_sectors < 0) { | |
1819 | error_report("Failed to query image length: %s", | |
1820 | strerror(-total_sectors)); | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | nb_sectors = total_sectors; | |
797ac58c KW |
1825 | |
1826 | do { | |
4c7b7e9b | 1827 | ret = map_is_allocated(blk_bs(blk), offset, nb_sectors, &num); |
797ac58c KW |
1828 | if (ret < 0) { |
1829 | error_report("Failed to get allocation status: %s", strerror(-ret)); | |
1830 | return 0; | |
4b25bbc4 HR |
1831 | } else if (!num) { |
1832 | error_report("Unexpected end of image"); | |
1833 | return 0; | |
797ac58c KW |
1834 | } |
1835 | ||
1836 | retstr = ret ? " allocated" : "not allocated"; | |
1837 | cvtstr(offset << 9ULL, s1, sizeof(s1)); | |
1838 | printf("[% 24" PRId64 "] % 8" PRId64 "/% 8" PRId64 " sectors %s " | |
1839 | "at offset %s (%d)\n", | |
1840 | offset << 9ULL, num, nb_sectors, retstr, s1, ret); | |
1841 | ||
1842 | offset += num; | |
1843 | nb_sectors -= num; | |
4c7b7e9b | 1844 | } while (offset < total_sectors); |
797ac58c KW |
1845 | |
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | static const cmdinfo_t map_cmd = { | |
1850 | .name = "map", | |
1851 | .argmin = 0, | |
1852 | .argmax = 0, | |
1853 | .cfunc = map_f, | |
1854 | .args = "", | |
1855 | .oneline = "prints the allocated areas of a file", | |
1856 | }; | |
1857 | ||
5bbd2e59 KW |
1858 | static void reopen_help(void) |
1859 | { | |
1860 | printf( | |
1861 | "\n" | |
1862 | " Changes the open options of an already opened image\n" | |
1863 | "\n" | |
1864 | " Example:\n" | |
1865 | " 'reopen -o lazy-refcounts=on' - activates lazy refcount writeback on a qcow2 image\n" | |
1866 | "\n" | |
1867 | " -r, -- Reopen the image read-only\n" | |
1868 | " -c, -- Change the cache mode to the given value\n" | |
1869 | " -o, -- Changes block driver options (cf. 'open' command)\n" | |
1870 | "\n"); | |
1871 | } | |
1872 | ||
1873 | static int reopen_f(BlockBackend *blk, int argc, char **argv); | |
1874 | ||
1875 | static QemuOptsList reopen_opts = { | |
1876 | .name = "reopen", | |
1877 | .merge_lists = true, | |
1878 | .head = QTAILQ_HEAD_INITIALIZER(reopen_opts.head), | |
1879 | .desc = { | |
1880 | /* no elements => accept any params */ | |
1881 | { /* end of list */ } | |
1882 | }, | |
1883 | }; | |
1884 | ||
1885 | static const cmdinfo_t reopen_cmd = { | |
1886 | .name = "reopen", | |
1887 | .argmin = 0, | |
1888 | .argmax = -1, | |
1889 | .cfunc = reopen_f, | |
1890 | .args = "[-r] [-c cache] [-o options]", | |
1891 | .oneline = "reopens an image with new options", | |
1892 | .help = reopen_help, | |
1893 | }; | |
1894 | ||
1895 | static int reopen_f(BlockBackend *blk, int argc, char **argv) | |
1896 | { | |
1897 | BlockDriverState *bs = blk_bs(blk); | |
1898 | QemuOpts *qopts; | |
1899 | QDict *opts; | |
1900 | int c; | |
1901 | int flags = bs->open_flags; | |
19dbecdc | 1902 | bool writethrough = !blk_enable_write_cache(blk); |
5bbd2e59 KW |
1903 | |
1904 | BlockReopenQueue *brq; | |
1905 | Error *local_err = NULL; | |
1906 | ||
1907 | while ((c = getopt(argc, argv, "c:o:r")) != -1) { | |
1908 | switch (c) { | |
1909 | case 'c': | |
19dbecdc | 1910 | if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) < 0) { |
5bbd2e59 KW |
1911 | error_report("Invalid cache option: %s", optarg); |
1912 | return 0; | |
1913 | } | |
1914 | break; | |
1915 | case 'o': | |
1916 | if (!qemu_opts_parse_noisily(&reopen_opts, optarg, 0)) { | |
1917 | qemu_opts_reset(&reopen_opts); | |
1918 | return 0; | |
1919 | } | |
1920 | break; | |
1921 | case 'r': | |
1922 | flags &= ~BDRV_O_RDWR; | |
1923 | break; | |
1924 | default: | |
1925 | qemu_opts_reset(&reopen_opts); | |
1926 | return qemuio_command_usage(&reopen_cmd); | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | if (optind != argc) { | |
1931 | qemu_opts_reset(&reopen_opts); | |
1932 | return qemuio_command_usage(&reopen_cmd); | |
1933 | } | |
1934 | ||
19dbecdc KW |
1935 | if (writethrough != blk_enable_write_cache(blk) && |
1936 | blk_get_attached_dev(blk)) | |
1937 | { | |
1938 | error_report("Cannot change cache.writeback: Device attached"); | |
1939 | qemu_opts_reset(&reopen_opts); | |
1940 | return 0; | |
1941 | } | |
1942 | ||
5bbd2e59 KW |
1943 | qopts = qemu_opts_find(&reopen_opts, NULL); |
1944 | opts = qopts ? qemu_opts_to_qdict(qopts, NULL) : NULL; | |
1945 | qemu_opts_reset(&reopen_opts); | |
1946 | ||
1947 | brq = bdrv_reopen_queue(NULL, bs, opts, flags); | |
1948 | bdrv_reopen_multiple(brq, &local_err); | |
1949 | if (local_err) { | |
1950 | error_report_err(local_err); | |
19dbecdc KW |
1951 | } else { |
1952 | blk_set_enable_write_cache(blk, !writethrough); | |
5bbd2e59 KW |
1953 | } |
1954 | ||
1955 | return 0; | |
1956 | } | |
1957 | ||
4c7b7e9b | 1958 | static int break_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
1959 | { |
1960 | int ret; | |
1961 | ||
4c7b7e9b | 1962 | ret = bdrv_debug_breakpoint(blk_bs(blk), argv[1], argv[2]); |
797ac58c KW |
1963 | if (ret < 0) { |
1964 | printf("Could not set breakpoint: %s\n", strerror(-ret)); | |
1965 | } | |
1966 | ||
1967 | return 0; | |
1968 | } | |
1969 | ||
4c7b7e9b | 1970 | static int remove_break_f(BlockBackend *blk, int argc, char **argv) |
4cc70e93 FZ |
1971 | { |
1972 | int ret; | |
1973 | ||
4c7b7e9b | 1974 | ret = bdrv_debug_remove_breakpoint(blk_bs(blk), argv[1]); |
4cc70e93 FZ |
1975 | if (ret < 0) { |
1976 | printf("Could not remove breakpoint %s: %s\n", argv[1], strerror(-ret)); | |
1977 | } | |
1978 | ||
1979 | return 0; | |
1980 | } | |
1981 | ||
797ac58c KW |
1982 | static const cmdinfo_t break_cmd = { |
1983 | .name = "break", | |
1984 | .argmin = 2, | |
1985 | .argmax = 2, | |
1986 | .cfunc = break_f, | |
1987 | .args = "event tag", | |
1988 | .oneline = "sets a breakpoint on event and tags the stopped " | |
1989 | "request as tag", | |
1990 | }; | |
1991 | ||
4cc70e93 FZ |
1992 | static const cmdinfo_t remove_break_cmd = { |
1993 | .name = "remove_break", | |
1994 | .argmin = 1, | |
1995 | .argmax = 1, | |
1996 | .cfunc = remove_break_f, | |
1997 | .args = "tag", | |
1998 | .oneline = "remove a breakpoint by tag", | |
1999 | }; | |
2000 | ||
4c7b7e9b | 2001 | static int resume_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
2002 | { |
2003 | int ret; | |
2004 | ||
4c7b7e9b | 2005 | ret = bdrv_debug_resume(blk_bs(blk), argv[1]); |
797ac58c KW |
2006 | if (ret < 0) { |
2007 | printf("Could not resume request: %s\n", strerror(-ret)); | |
2008 | } | |
2009 | ||
2010 | return 0; | |
2011 | } | |
2012 | ||
2013 | static const cmdinfo_t resume_cmd = { | |
2014 | .name = "resume", | |
2015 | .argmin = 1, | |
2016 | .argmax = 1, | |
2017 | .cfunc = resume_f, | |
2018 | .args = "tag", | |
2019 | .oneline = "resumes the request tagged as tag", | |
2020 | }; | |
2021 | ||
4c7b7e9b | 2022 | static int wait_break_f(BlockBackend *blk, int argc, char **argv) |
797ac58c | 2023 | { |
4c7b7e9b HR |
2024 | while (!bdrv_debug_is_suspended(blk_bs(blk), argv[1])) { |
2025 | aio_poll(blk_get_aio_context(blk), true); | |
797ac58c KW |
2026 | } |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static const cmdinfo_t wait_break_cmd = { | |
2032 | .name = "wait_break", | |
2033 | .argmin = 1, | |
2034 | .argmax = 1, | |
2035 | .cfunc = wait_break_f, | |
2036 | .args = "tag", | |
2037 | .oneline = "waits for the suspension of a request", | |
2038 | }; | |
2039 | ||
4c7b7e9b | 2040 | static int abort_f(BlockBackend *blk, int argc, char **argv) |
797ac58c KW |
2041 | { |
2042 | abort(); | |
2043 | } | |
2044 | ||
2045 | static const cmdinfo_t abort_cmd = { | |
2046 | .name = "abort", | |
2047 | .cfunc = abort_f, | |
2048 | .flags = CMD_NOFILE_OK, | |
2049 | .oneline = "simulate a program crash using abort(3)", | |
2050 | }; | |
2051 | ||
0e82dc7b HR |
2052 | static void sigraise_help(void) |
2053 | { | |
2054 | printf( | |
2055 | "\n" | |
2056 | " raises the given signal\n" | |
2057 | "\n" | |
2058 | " Example:\n" | |
2059 | " 'sigraise %i' - raises SIGTERM\n" | |
2060 | "\n" | |
2061 | " Invokes raise(signal), where \"signal\" is the mandatory integer argument\n" | |
2062 | " given to sigraise.\n" | |
2063 | "\n", SIGTERM); | |
2064 | } | |
2065 | ||
4c7b7e9b | 2066 | static int sigraise_f(BlockBackend *blk, int argc, char **argv); |
0e82dc7b HR |
2067 | |
2068 | static const cmdinfo_t sigraise_cmd = { | |
2069 | .name = "sigraise", | |
2070 | .cfunc = sigraise_f, | |
2071 | .argmin = 1, | |
2072 | .argmax = 1, | |
2073 | .flags = CMD_NOFILE_OK, | |
2074 | .args = "signal", | |
2075 | .oneline = "raises a signal", | |
2076 | .help = sigraise_help, | |
2077 | }; | |
2078 | ||
4c7b7e9b | 2079 | static int sigraise_f(BlockBackend *blk, int argc, char **argv) |
0e82dc7b | 2080 | { |
9b0beaf3 | 2081 | int64_t sig = cvtnum(argv[1]); |
0e82dc7b | 2082 | if (sig < 0) { |
a9ecfa00 | 2083 | print_cvtnum_err(sig, argv[1]); |
0e82dc7b | 2084 | return 0; |
9b0beaf3 JS |
2085 | } else if (sig > NSIG) { |
2086 | printf("signal argument '%s' is too large to be a valid signal\n", | |
2087 | argv[1]); | |
2088 | return 0; | |
0e82dc7b HR |
2089 | } |
2090 | ||
2091 | /* Using raise() to kill this process does not necessarily flush all open | |
2092 | * streams. At least stdout and stderr (although the latter should be | |
2093 | * non-buffered anyway) should be flushed, though. */ | |
2094 | fflush(stdout); | |
2095 | fflush(stderr); | |
2096 | ||
2097 | raise(sig); | |
2098 | return 0; | |
2099 | } | |
2100 | ||
cd33d02a KW |
2101 | static void sleep_cb(void *opaque) |
2102 | { | |
2103 | bool *expired = opaque; | |
2104 | *expired = true; | |
2105 | } | |
2106 | ||
4c7b7e9b | 2107 | static int sleep_f(BlockBackend *blk, int argc, char **argv) |
cd33d02a KW |
2108 | { |
2109 | char *endptr; | |
2110 | long ms; | |
2111 | struct QEMUTimer *timer; | |
2112 | bool expired = false; | |
2113 | ||
2114 | ms = strtol(argv[1], &endptr, 0); | |
2115 | if (ms < 0 || *endptr != '\0') { | |
2116 | printf("%s is not a valid number\n", argv[1]); | |
2117 | return 0; | |
2118 | } | |
2119 | ||
2120 | timer = timer_new_ns(QEMU_CLOCK_HOST, sleep_cb, &expired); | |
2121 | timer_mod(timer, qemu_clock_get_ns(QEMU_CLOCK_HOST) + SCALE_MS * ms); | |
2122 | ||
2123 | while (!expired) { | |
2124 | main_loop_wait(false); | |
2125 | } | |
2126 | ||
2127 | timer_free(timer); | |
2128 | ||
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | static const cmdinfo_t sleep_cmd = { | |
2133 | .name = "sleep", | |
2134 | .argmin = 1, | |
2135 | .argmax = 1, | |
2136 | .cfunc = sleep_f, | |
2137 | .flags = CMD_NOFILE_OK, | |
2138 | .oneline = "waits for the given value in milliseconds", | |
2139 | }; | |
2140 | ||
f18a834a KW |
2141 | static void help_oneline(const char *cmd, const cmdinfo_t *ct) |
2142 | { | |
2143 | if (cmd) { | |
2144 | printf("%s ", cmd); | |
2145 | } else { | |
2146 | printf("%s ", ct->name); | |
2147 | if (ct->altname) { | |
2148 | printf("(or %s) ", ct->altname); | |
2149 | } | |
2150 | } | |
2151 | ||
2152 | if (ct->args) { | |
2153 | printf("%s ", ct->args); | |
2154 | } | |
2155 | printf("-- %s\n", ct->oneline); | |
2156 | } | |
2157 | ||
2158 | static void help_onecmd(const char *cmd, const cmdinfo_t *ct) | |
2159 | { | |
2160 | help_oneline(cmd, ct); | |
2161 | if (ct->help) { | |
2162 | ct->help(); | |
2163 | } | |
2164 | } | |
2165 | ||
2166 | static void help_all(void) | |
2167 | { | |
2168 | const cmdinfo_t *ct; | |
2169 | ||
2170 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) { | |
2171 | help_oneline(ct->name, ct); | |
2172 | } | |
2173 | printf("\nUse 'help commandname' for extended help.\n"); | |
2174 | } | |
2175 | ||
4c7b7e9b | 2176 | static int help_f(BlockBackend *blk, int argc, char **argv) |
f18a834a KW |
2177 | { |
2178 | const cmdinfo_t *ct; | |
2179 | ||
2180 | if (argc == 1) { | |
2181 | help_all(); | |
2182 | return 0; | |
2183 | } | |
2184 | ||
2185 | ct = find_command(argv[1]); | |
2186 | if (ct == NULL) { | |
2187 | printf("command %s not found\n", argv[1]); | |
2188 | return 0; | |
2189 | } | |
2190 | ||
2191 | help_onecmd(argv[1], ct); | |
2192 | return 0; | |
2193 | } | |
2194 | ||
2195 | static const cmdinfo_t help_cmd = { | |
2196 | .name = "help", | |
2197 | .altname = "?", | |
2198 | .cfunc = help_f, | |
2199 | .argmin = 0, | |
2200 | .argmax = 1, | |
2201 | .flags = CMD_FLAG_GLOBAL, | |
2202 | .args = "[command]", | |
2203 | .oneline = "help for one or all commands", | |
2204 | }; | |
2205 | ||
4c7b7e9b | 2206 | bool qemuio_command(BlockBackend *blk, const char *cmd) |
dd583296 KW |
2207 | { |
2208 | char *input; | |
2209 | const cmdinfo_t *ct; | |
2210 | char **v; | |
2211 | int c; | |
2212 | bool done = false; | |
2213 | ||
2214 | input = g_strdup(cmd); | |
2215 | v = breakline(input, &c); | |
2216 | if (c) { | |
2217 | ct = find_command(v[0]); | |
2218 | if (ct) { | |
4c7b7e9b | 2219 | done = command(blk, ct, c, v); |
dd583296 KW |
2220 | } else { |
2221 | fprintf(stderr, "command \"%s\" not found\n", v[0]); | |
2222 | } | |
2223 | } | |
2224 | g_free(input); | |
2225 | g_free(v); | |
2226 | ||
2227 | return done; | |
2228 | } | |
2229 | ||
797ac58c KW |
2230 | static void __attribute((constructor)) init_qemuio_commands(void) |
2231 | { | |
2232 | /* initialize commands */ | |
c2cdf5c5 KW |
2233 | qemuio_add_command(&help_cmd); |
2234 | qemuio_add_command(&read_cmd); | |
2235 | qemuio_add_command(&readv_cmd); | |
2236 | qemuio_add_command(&write_cmd); | |
2237 | qemuio_add_command(&writev_cmd); | |
c2cdf5c5 KW |
2238 | qemuio_add_command(&aio_read_cmd); |
2239 | qemuio_add_command(&aio_write_cmd); | |
2240 | qemuio_add_command(&aio_flush_cmd); | |
2241 | qemuio_add_command(&flush_cmd); | |
2242 | qemuio_add_command(&truncate_cmd); | |
2243 | qemuio_add_command(&length_cmd); | |
2244 | qemuio_add_command(&info_cmd); | |
2245 | qemuio_add_command(&discard_cmd); | |
2246 | qemuio_add_command(&alloc_cmd); | |
2247 | qemuio_add_command(&map_cmd); | |
5bbd2e59 | 2248 | qemuio_add_command(&reopen_cmd); |
c2cdf5c5 | 2249 | qemuio_add_command(&break_cmd); |
4cc70e93 | 2250 | qemuio_add_command(&remove_break_cmd); |
c2cdf5c5 KW |
2251 | qemuio_add_command(&resume_cmd); |
2252 | qemuio_add_command(&wait_break_cmd); | |
2253 | qemuio_add_command(&abort_cmd); | |
cd33d02a | 2254 | qemuio_add_command(&sleep_cmd); |
0e82dc7b | 2255 | qemuio_add_command(&sigraise_cmd); |
797ac58c | 2256 | } |