geom/mirror/g_mirror.h

227     struct g_mirror_metadata *md);
228 int g_mirror_read_metadata(struct g_consumer *cp, struct g_mirror_metadata *md);
230     struct g_mirror_disk *disk, struct g_mirror_metadata *md);
259 mirror_metadata_encode(struct g_mirror_metadata *md, u_char *data)
263 	bcopy(md->md_magic, data, 16);
264 	le32enc(data + 16, md->md_version);
265 	bcopy(md->md_name, data + 20, 16);
266 	le32enc(data + 36, md->md_mid);
267 	le32enc(data + 40, md->md_did);
268 	*(data + 44) = md->md_all;
269 	le32enc(data + 45, md->md_genid);
270 	le32enc(data + 49, md->md_syncid);
271 	*(data + 53) = md->md_priority;
272 	le32enc(data + 54, md->md_slice);
273 	*(data + 58) = md->md_balance;
274 	le64enc(data + 59, md->md_mediasize);
275 	le32enc(data + 67, md->md_sectorsize);
276 	le64enc(data + 71, md->md_sync_offset);
277 	le64enc(data + 79, md->md_mflags);
278 	le64enc(data + 87, md->md_dflags);
279 	bcopy(md->md_provider, data + 95, 16);
280 	le64enc(data + 111, md->md_provsize);
283 	MD5Final(md->md_hash, &ctx);
284 	bcopy(md->md_hash, data + 119, 16);
287 mirror_metadata_decode_v0v1(const u_char *data, struct g_mirror_metadata *md)
291 	bcopy(data + 20, md->md_name, 16);
292 	md->md_mid = le32dec(data + 36);
293 	md->md_did = le32dec(data + 40);
294 	md->md_all = *(data + 44);
295 	md->md_syncid = le32dec(data + 45);
296 	md->md_priority = *(data + 49);
297 	md->md_slice = le32dec(data + 50);
298 	md->md_balance = *(data + 54);
299 	md->md_mediasize = le64dec(data + 55);
300 	md->md_sectorsize = le32dec(data + 63);
301 	md->md_sync_offset = le64dec(data + 67);
302 	md->md_mflags = le64dec(data + 75);
303 	md->md_dflags = le64dec(data + 83);
304 	bcopy(data + 91, md->md_provider, 16);
305 	bcopy(data + 107, md->md_hash, 16);
308 	MD5Final(md->md_hash, &ctx);
309 	if (bcmp(md->md_hash, data + 107, 16) != 0)
313 	md->md_genid = 0;
314 	md->md_provsize = 0;
319 mirror_metadata_decode_v2(const u_char *data, struct g_mirror_metadata *md)
323 	bcopy(data + 20, md->md_name, 16);
324 	md->md_mid = le32dec(data + 36);
325 	md->md_did = le32dec(data + 40);
326 	md->md_all = *(data + 44);
327 	md->md_genid = le32dec(data + 45);
328 	md->md_syncid = le32dec(data + 49);
329 	md->md_priority = *(data + 53);
330 	md->md_slice = le32dec(data + 54);
331 	md->md_balance = *(data + 58);
332 	md->md_mediasize = le64dec(data + 59);
333 	md->md_sectorsize = le32dec(data + 67);
334 	md->md_sync_offset = le64dec(data + 71);
335 	md->md_mflags = le64dec(data + 79);
336 	md->md_dflags = le64dec(data + 87);
337 	bcopy(data + 95, md->md_provider, 16);
338 	bcopy(data + 111, md->md_hash, 16);
341 	MD5Final(md->md_hash, &ctx);
342 	if (bcmp(md->md_hash, data + 111, 16) != 0)
346 	md->md_provsize = 0;
351 mirror_metadata_decode_v3v4(const u_char *data, struct g_mirror_metadata *md)
355 	bcopy(data + 20, md->md_name, 16);
356 	md->md_mid = le32dec(data + 36);
357 	md->md_did = le32dec(data + 40);
358 	md->md_all = *(data + 44);
359 	md->md_genid = le32dec(data + 45);
360 	md->md_syncid = le32dec(data + 49);
361 	md->md_priority = *(data + 53);
362 	md->md_slice = le32dec(data + 54);
363 	md->md_balance = *(data + 58);
364 	md->md_mediasize = le64dec(data + 59);
365 	md->md_sectorsize = le32dec(data + 67);
366 	md->md_sync_offset = le64dec(data + 71);
367 	md->md_mflags = le64dec(data + 79);
368 	md->md_dflags = le64dec(data + 87);
369 	bcopy(data + 95, md->md_provider, 16);
370 	md->md_provsize = le64dec(data + 111);
371 	bcopy(data + 119, md->md_hash, 16);
374 	MD5Final(md->md_hash, &ctx);
375 	if (bcmp(md->md_hash, data + 119, 16) != 0)
380 mirror_metadata_decode(const u_char *data, struct g_mirror_metadata *md)
384 	bcopy(data, md->md_magic, 16);
385 	md->md_version = le32dec(data + 16);
386 	switch (md->md_version) {
389 		error = mirror_metadata_decode_v0v1(data, md);
392 		error = mirror_metadata_decode_v2(data, md);
396 		error = mirror_metadata_decode_v3v4(data, md);
443 mirror_metadata_dump(const struct g_mirror_metadata *md)
449 	printf("     magic: %s\n", md->md_magic);
450 	printf("   version: %u\n", (u_int)md->md_version);
451 	printf("      name: %s\n", md->md_name);
452 	printf("       mid: %u\n", (u_int)md->md_mid);
453 	printf("       did: %u\n", (u_int)md->md_did);
454 	printf("       all: %u\n", (u_int)md->md_all);
455 	printf("     genid: %u\n", (u_int)md->md_genid);
456 	printf("    syncid: %u\n", (u_int)md->md_syncid);
457 	printf("  priority: %u\n", (u_int)md->md_priority);
458 	printf("     slice: %u\n", (u_int)md->md_slice);
459 	printf("   balance: %s\n", balance_name((u_int)md->md_balance));
460 	printf(" mediasize: %jd\n", (intmax_t)md->md_mediasize);
461 	printf("sectorsize: %u\n", (u_int)md->md_sectorsize);
462 	printf("syncoffset: %jd\n", (intmax_t)md->md_sync_offset);
464 	if (md->md_mflags == 0)
467 		if ((md->md_mflags & G_MIRROR_DEVICE_FLAG_NOFAILSYNC) != 0)
469 		if ((md->md_mflags & G_MIRROR_DEVICE_FLAG_NOAUTOSYNC) != 0)
474 	if (md->md_dflags == 0)
477 		if ((md->md_dflags & G_MIRROR_DISK_FLAG_DIRTY) != 0)
479 		if ((md->md_dflags & G_MIRROR_DISK_FLAG_SYNCHRONIZING) != 0)
481 		if ((md->md_dflags & G_MIRROR_DISK_FLAG_FORCE_SYNC) != 0)
483 		if ((md->md_dflags & G_MIRROR_DISK_FLAG_INACTIVE) != 0)
487 	printf("hcprovider: %s\n", md->md_provider);
488 	printf("  provsize: %ju\n", (uintmax_t)md->md_provsize);
491 		hash[i * 2] = hex[md->md_hash[i] >> 4];
492 		hash[i * 2 + 1] = hex[md->md_hash[i] & 0x0f];