199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/cdefs.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/stat.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/stdint.h>

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "zfsimpl.h"

199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "zfssubr.c"

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct zfsmount {

199767f8919635c4928607450d9e0abb932109ceToomas Soome const spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome objset_phys_t objset;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t rootobj;

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic vdev_list_t zfs_vdevs;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const char *features_for_read[] = {

199767f8919635c4928607450d9e0abb932109ceToomas Soome "org.illumos:lz4_compress",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "com.delphix:hole_birth",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "com.delphix:extensible_dataset",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "com.delphix:embedded_data",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "org.open-zfs:large_blocks",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "org.illumos:sha512",

199767f8919635c4928607450d9e0abb932109ceToomas Soome NULL

199767f8919635c4928607450d9e0abb932109ceToomas Soome};

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic spa_list_t zfs_pools;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic uint64_t zfs_crc64_table[256];

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const dnode_phys_t *dnode_cache_obj = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic uint64_t dnode_cache_bn;

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic char *dnode_cache_buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic char *zap_scratch;

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic char *zfs_temp_buf, *zfs_temp_end, *zfs_temp_ptr;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define TEMP_SIZE (1024 * 1024)

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int zio_read(const spa_t *spa, const blkptr_t *bp, void *buf);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int zfs_get_root(const spa_t *spa, uint64_t *objid);

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int zfs_rlookup(const spa_t *spa, uint64_t objnum, char *result);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic void

199767f8919635c4928607450d9e0abb932109ceToomas Soomezfs_init(void)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INIT(&zfs_vdevs);

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INIT(&zfs_pools);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_temp_buf = malloc(TEMP_SIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_temp_end = zfs_temp_buf + TEMP_SIZE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_temp_ptr = zfs_temp_buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome dnode_cache_buf = malloc(SPA_MAXBLOCKSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome zap_scratch = malloc(SPA_MAXBLOCKSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_init_crc();

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic void *

199767f8919635c4928607450d9e0abb932109ceToomas Soomezfs_alloc(size_t size)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *ptr;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zfs_temp_ptr + size > zfs_temp_end) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: out of temporary buffer space\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (;;) ;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome ptr = zfs_temp_ptr;

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_temp_ptr += size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ptr);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic void

199767f8919635c4928607450d9e0abb932109ceToomas Soomezfs_free(void *ptr, size_t size)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_temp_ptr -= size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zfs_temp_ptr != ptr) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: zfs_alloc()/zfs_free() mismatch\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (;;) ;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomexdr_int(const unsigned char **xdr, int *ip)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome *ip = ((*xdr)[0] << 24)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[1] << 16)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[2] << 8)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[3] << 0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome (*xdr) += 4;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomexdr_u_int(const unsigned char **xdr, u_int *ip)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome *ip = ((*xdr)[0] << 24)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[1] << 16)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[2] << 8)

199767f8919635c4928607450d9e0abb932109ceToomas Soome | ((*xdr)[3] << 0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome (*xdr) += 4;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomexdr_uint64_t(const unsigned char **xdr, uint64_t *lp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome u_int hi, lo;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_u_int(xdr, &hi);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_u_int(xdr, &lo);

199767f8919635c4928607450d9e0abb932109ceToomas Soome *lp = (((uint64_t) hi) << 32) | lo;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomenvlist_find(const unsigned char *nvlist, const char *name, int type,

199767f8919635c4928607450d9e0abb932109ceToomas Soome int* elementsp, void *valuep)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *p, *pair;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int junk;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int encoded_size, decoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = nvlist;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (encoded_size && decoded_size) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int namelen, pairtype, elements;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *pairname;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &namelen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pairname = (const char*) p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome p += roundup(namelen, 4);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &pairtype);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!memcmp(name, pairname, namelen) && type == pairtype) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &elements);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (elementsp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome *elementsp = elements;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (type == DATA_TYPE_UINT64) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_uint64_t(&p, (uint64_t *) valuep);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else if (type == DATA_TYPE_STRING) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome (*(const char**) valuep) = (const char*) p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else if (type == DATA_TYPE_NVLIST

199767f8919635c4928607450d9e0abb932109ceToomas Soome || type == DATA_TYPE_NVLIST_ARRAY) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome (*(const unsigned char**) valuep) =

199767f8919635c4928607450d9e0abb932109ceToomas Soome (const unsigned char*) p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = pair + encoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomenvlist_check_features_for_read(const unsigned char *nvlist)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *p, *pair;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int junk;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int encoded_size, decoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int rc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = nvlist;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (encoded_size && decoded_size) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int namelen, pairtype;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *pairname;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i, found;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome found = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &namelen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pairname = (const char*) p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome p += roundup(namelen, 4);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &pairtype);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; features_for_read[i] != NULL; i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!memcmp(pairname, features_for_read[i], namelen)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome found = 1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!found) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: unsupported feature: %s\n", pairname);

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = EIO;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = pair + encoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (rc);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const unsigned char *

199767f8919635c4928607450d9e0abb932109ceToomas Soomenvlist_next(const unsigned char *nvlist)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *p, *pair;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int junk;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int encoded_size, decoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = nvlist;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (encoded_size && decoded_size) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = pair + encoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef TEST

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const unsigned char *

199767f8919635c4928607450d9e0abb932109ceToomas Soomenvlist_print(const unsigned char *nvlist, unsigned int indent)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome static const char* typenames[] = {

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UNKNOWN",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_BOOLEAN",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_BYTE",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT16",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT16",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT32",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT32",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT64",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT64",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_STRING",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_BYTE_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT16_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT16_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT32_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT32_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT64_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT64_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_STRING_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_HRTIME",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_NVLIST",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_NVLIST_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_BOOLEAN_VALUE",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT8",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT8",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_BOOLEAN_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_INT8_ARRAY",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DATA_TYPE_UINT8_ARRAY"

199767f8919635c4928607450d9e0abb932109ceToomas Soome };

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome unsigned int i, j;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *p, *pair;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int junk;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int encoded_size, decoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = nvlist;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &junk);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (encoded_size && decoded_size) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int namelen, pairtype, elements;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *pairname;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &namelen);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pairname = (const char*) p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome p += roundup(namelen, 4);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &pairtype);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < indent; i++)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf(" ");

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("%s %s", typenames[pairtype], pairname);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &elements);

199767f8919635c4928607450d9e0abb932109ceToomas Soome switch (pairtype) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome case DATA_TYPE_UINT64: {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t val;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_uint64_t(&p, &val);

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf(" = 0x%jx\n", (uintmax_t)val);

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome case DATA_TYPE_STRING: {

199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &len);

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf(" = \"%s\"\n", p);

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome case DATA_TYPE_NVLIST:

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_print(p, indent + 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome case DATA_TYPE_NVLIST_ARRAY:

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (j = 0; j < elements; j++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("[%d]\n", j);

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = nvlist_print(p, indent + 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (j != elements - 1) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < indent; i++)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf(" ");

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("%s %s", typenames[pairtype], pairname);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome default:

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome p = pair + encoded_size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pair = p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &encoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome xdr_int(&p, &decoded_size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return p;

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_read_phys(vdev_t *vdev, const blkptr_t *bp, void *buf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t offset, size_t size)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome size_t psize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int rc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!vdev->v_phys_read)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bp) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome psize = BP_GET_PSIZE(bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome psize = size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*printf("ZFS: reading %d bytes at 0x%jx to %p\n", psize, (uintmax_t)offset, buf);*/

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = vdev->v_phys_read(vdev, vdev->v_read_priv, offset, buf, psize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rc)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (rc);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bp && zio_checksum_verify(bp, buf))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_disk_read(vdev_t *vdev, const blkptr_t *bp, void *buf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t offset, size_t bytes)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (vdev_read_phys(vdev, bp, buf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome offset + VDEV_LABEL_START_SIZE, bytes));

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_mirror_read(vdev_t *vdev, const blkptr_t *bp, void *buf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t offset, size_t bytes)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int rc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = EIO;

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(kid, &vdev->v_children, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (kid->v_state != VDEV_STATE_HEALTHY)

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = kid->v_read(kid, bp, buf, offset, bytes);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!rc)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (rc);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_replacing_read(vdev_t *vdev, const blkptr_t *bp, void *buf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t offset, size_t bytes)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome kid = STAILQ_FIRST(&vdev->v_children);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (kid == NULL)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (kid->v_state != VDEV_STATE_HEALTHY)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (kid->v_read(kid, bp, buf, offset, bytes));

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic vdev_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_find(uint64_t guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(vdev, &zfs_vdevs, v_alllink)

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_guid == guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (vdev);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic vdev_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_create(uint64_t guid, vdev_read_t *vdev_read)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = malloc(sizeof(vdev_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome memset(vdev, 0, sizeof(vdev_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INIT(&vdev->v_children);

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_guid = guid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_OFFLINE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_read = vdev_read;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_phys_read = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_read_priv = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INSERT_TAIL(&zfs_vdevs, vdev, v_alllink);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (vdev);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_init_from_nvlist(const unsigned char *nvlist, vdev_t *pvdev,

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t **vdevp, int is_newer)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int rc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t guid, id, ashift, nparity;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *type;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *path;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev, *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *kids;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int nkids, i, is_new;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t is_offline, is_faulted, is_degraded, is_removed, isnt_present;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_GUID,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome || nvlist_find(nvlist, ZPOOL_CONFIG_ID,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &id)

199767f8919635c4928607450d9e0abb932109ceToomas Soome || nvlist_find(nvlist, ZPOOL_CONFIG_TYPE,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_STRING, 0, &type)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: can't find vdev details\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ENOENT);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strcmp(type, VDEV_TYPE_MIRROR)

199767f8919635c4928607450d9e0abb932109ceToomas Soome && strcmp(type, VDEV_TYPE_DISK)

199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef ZFS_TEST

199767f8919635c4928607450d9e0abb932109ceToomas Soome && strcmp(type, VDEV_TYPE_FILE)

199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif

199767f8919635c4928607450d9e0abb932109ceToomas Soome && strcmp(type, VDEV_TYPE_RAIDZ)

199767f8919635c4928607450d9e0abb932109ceToomas Soome && strcmp(type, VDEV_TYPE_REPLACING)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: can only boot from disk, mirror, raidz1, raidz2 and raidz3 vdevs\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_offline = is_removed = is_faulted = is_degraded = isnt_present = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_find(nvlist, ZPOOL_CONFIG_OFFLINE, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &is_offline);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_find(nvlist, ZPOOL_CONFIG_REMOVED, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &is_removed);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_find(nvlist, ZPOOL_CONFIG_FAULTED, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &is_faulted);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_find(nvlist, ZPOOL_CONFIG_DEGRADED, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &is_degraded);

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist_find(nvlist, ZPOOL_CONFIG_NOT_PRESENT, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &isnt_present);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_find(guid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!vdev) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_new = 1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!strcmp(type, VDEV_TYPE_MIRROR))

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_create(guid, vdev_mirror_read);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (!strcmp(type, VDEV_TYPE_RAIDZ))

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_create(guid, vdev_raidz_read);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (!strcmp(type, VDEV_TYPE_REPLACING))

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_create(guid, vdev_replacing_read);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_create(guid, vdev_disk_read);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_id = id;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_top = pvdev != NULL ? pvdev : vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_ASHIFT,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &ashift) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_ashift = ashift;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_ashift = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_NPARITY,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &nparity) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_nparity = nparity;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_nparity = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_PATH,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_STRING, 0, &path) == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (strncmp(path, "/dev/dsk/", 9) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome path += 9;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_name = strdup(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_PHYS_PATH,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_STRING, 0, &path) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_phys_path = strdup(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_phys_path = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist, ZPOOL_CONFIG_DEVID,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_STRING, 0, &path) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_devid = strdup(path);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_devid = NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!strcmp(type, "raidz")) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_nparity == 1)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_name = "raidz1";

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (vdev->v_nparity == 2)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_name = "raidz2";

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (vdev->v_nparity == 3)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_name = "raidz3";

199767f8919635c4928607450d9e0abb932109ceToomas Soome else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: can only boot from disk, mirror, raidz1, raidz2 and raidz3 vdevs\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_name = strdup(type);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_new = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (is_new || is_newer) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (is_offline)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_OFFLINE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (is_removed)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_REMOVED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (is_faulted)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_FAULTED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (is_degraded)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_DEGRADED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (isnt_present)

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_CANT_OPEN;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = nvlist_find(nvlist, ZPOOL_CONFIG_CHILDREN,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_NVLIST_ARRAY, &nkids, &kids);

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rc == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_nchildren = nkids;

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < nkids; i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = vdev_init_from_nvlist(kids, vdev, &kid, is_newer);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rc)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (rc);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (is_new)

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INSERT_TAIL(&vdev->v_children, kid,

199767f8919635c4928607450d9e0abb932109ceToomas Soome v_childlink);

199767f8919635c4928607450d9e0abb932109ceToomas Soome kids = nvlist_next(kids);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_nchildren = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdevp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome *vdevp = vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic void

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_set_state(vdev_t *vdev)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int good_kids;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int bad_kids;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (STAILQ_FIRST(&vdev->v_children)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome good_kids = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome bad_kids = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(kid, &vdev->v_children, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (kid->v_state == VDEV_STATE_HEALTHY)

199767f8919635c4928607450d9e0abb932109ceToomas Soome good_kids++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome bad_kids++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bad_kids == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_HEALTHY;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_read == vdev_mirror_read) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (good_kids) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_DEGRADED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_OFFLINE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else if (vdev->v_read == vdev_raidz_read) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bad_kids > vdev->v_nparity) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_OFFLINE;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_DEGRADED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic spa_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_find_by_guid(uint64_t guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(spa, &zfs_pools, spa_link)

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (spa->spa_guid == guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (spa);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic spa_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_find_by_name(const char *name)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(spa, &zfs_pools, spa_link)

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!strcmp(spa->spa_name, name))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (spa);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_get_primary(void)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (STAILQ_FIRST(&zfs_pools));

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_get_primary_vdev(const spa_t *spa)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (spa == NULL)

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa = spa_get_primary();

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (spa == NULL)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (NULL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = STAILQ_FIRST(&spa->spa_vdevs);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev == NULL)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (NULL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (kid = STAILQ_FIRST(&vdev->v_children); kid != NULL;

199767f8919635c4928607450d9e0abb932109ceToomas Soome kid = STAILQ_FIRST(&vdev->v_children))

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (vdev);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic spa_t *

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_create(uint64_t guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa = malloc(sizeof(spa_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome memset(spa, 0, sizeof(spa_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INIT(&spa->spa_vdevs);

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa->spa_guid = guid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INSERT_TAIL(&zfs_pools, spa, spa_link);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (spa);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic const char *

199767f8919635c4928607450d9e0abb932109ceToomas Soomestate_name(vdev_state_t state)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome static const char* names[] = {

199767f8919635c4928607450d9e0abb932109ceToomas Soome "UNKNOWN",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "CLOSED",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "OFFLINE",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "REMOVED",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "CANT_OPEN",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "FAULTED",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "DEGRADED",

199767f8919635c4928607450d9e0abb932109ceToomas Soome "ONLINE"

199767f8919635c4928607450d9e0abb932109ceToomas Soome };

199767f8919635c4928607450d9e0abb932109ceToomas Soome return names[state];

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomepager_printf(const char *fmt, ...)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome char line[80];

199767f8919635c4928607450d9e0abb932109ceToomas Soome va_list args;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome va_start(args, fmt);

199767f8919635c4928607450d9e0abb932109ceToomas Soome vsnprintf(line, sizeof (line), fmt, args);

199767f8919635c4928607450d9e0abb932109ceToomas Soome va_end(args);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (pager_output(line));

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome#define STATUS_FORMAT " %s %s\n"

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomeprint_state(int indent, const char *name, vdev_state_t state)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char buf[512];

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome buf[0] = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < indent; i++)

199767f8919635c4928607450d9e0abb932109ceToomas Soome strcat(buf, " ");

199767f8919635c4928607450d9e0abb932109ceToomas Soome strcat(buf, name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (pager_printf(STATUS_FORMAT, buf, state_name(state)));

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_status(vdev_t *vdev, int indent)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *kid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int ret;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = print_state(indent, vdev->v_name, vdev->v_state);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(kid, &vdev->v_children, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = vdev_status(kid, indent + 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_status(spa_t *spa)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome static char bootfs[ZFS_MAXNAMELEN];

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t rootid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int good_kids, bad_kids, degraded_kids, ret;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_state_t state;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf(" pool: %s\n", spa->spa_name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zfs_get_root(spa, &rootid) == 0 &&

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_rlookup(spa, rootid, bootfs) == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bootfs[0] == '\0')

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf("bootfs: %s\n", spa->spa_name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf("bootfs: %s/%s\n", spa->spa_name,

199767f8919635c4928607450d9e0abb932109ceToomas Soome bootfs);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf("config:\n\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf(STATUS_FORMAT, "NAME", "STATE");

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome good_kids = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome degraded_kids = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome bad_kids = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(vdev, &spa->spa_vdevs, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_state == VDEV_STATE_HEALTHY)

199767f8919635c4928607450d9e0abb932109ceToomas Soome good_kids++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (vdev->v_state == VDEV_STATE_DEGRADED)

199767f8919635c4928607450d9e0abb932109ceToomas Soome degraded_kids++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome bad_kids++;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome state = VDEV_STATE_CLOSED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (good_kids > 0 && (degraded_kids + bad_kids) == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome state = VDEV_STATE_HEALTHY;

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if ((good_kids + degraded_kids) > 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome state = VDEV_STATE_DEGRADED;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = print_state(0, spa->spa_name, state);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(vdev, &spa->spa_vdevs, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = vdev_status(vdev, 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomespa_all_status(void)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int first = 1, ret = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(spa, &zfs_pools, spa_link) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!first) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = pager_printf("\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome first = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome ret = spa_status(spa);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (ret != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (ret);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomevdev_probe(vdev_phys_read_t *phys_read, void *read_priv, spa_t **spap)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t vtmp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_phys_t *vdev_label = (vdev_phys_t *) zap_scratch;

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa_t *spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev, *top_vdev, *pool_vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t off;

199767f8919635c4928607450d9e0abb932109ceToomas Soome blkptr_t bp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *nvlist;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t val;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t guid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t pool_txg, pool_guid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t is_log;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const char *pool_name;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *vdevs;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const unsigned char *features;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i, rc, is_newer;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *upbuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const struct uberblock *up;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome memset(&vtmp, 0, sizeof(vtmp));

199767f8919635c4928607450d9e0abb932109ceToomas Soome vtmp.v_phys_read = phys_read;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vtmp.v_read_priv = read_priv;

199767f8919635c4928607450d9e0abb932109ceToomas Soome off = offsetof(vdev_label_t, vl_vdev_phys);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_ZERO(&bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_LSIZE(&bp, sizeof(vdev_phys_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_PSIZE(&bp, sizeof(vdev_phys_t));

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_CHECKSUM(&bp, ZIO_CHECKSUM_LABEL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_COMPRESS(&bp, ZIO_COMPRESS_OFF);

199767f8919635c4928607450d9e0abb932109ceToomas Soome DVA_SET_OFFSET(BP_IDENTITY(&bp), off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZIO_SET_CHECKSUM(&bp.blk_cksum, off, 0, 0, 0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev_read_phys(&vtmp, &bp, vdev_label, off, 0))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev_label->vp_nvlist[0] != NV_ENCODE_XDR) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome nvlist = (const unsigned char *) vdev_label->vp_nvlist + 4;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_VERSION,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &val)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!SPA_VERSION_IS_SUPPORTED(val)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: unsupported ZFS version %u (should be %u)\n",

199767f8919635c4928607450d9e0abb932109ceToomas Soome (unsigned) val, (unsigned) SPA_VERSION);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Check ZFS features for read */

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_FEATURES_FOR_READ,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_NVLIST, 0, &features) == 0

199767f8919635c4928607450d9e0abb932109ceToomas Soome && nvlist_check_features_for_read(features) != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_POOL_STATE,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &val)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (val == POOL_STATE_DESTROYED) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* We don't boot only from destroyed pools. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_POOL_TXG,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &pool_txg)

199767f8919635c4928607450d9e0abb932109ceToomas Soome || nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_POOL_GUID,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &pool_guid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome || nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_POOL_NAME,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_STRING, 0, &pool_name)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*printf("ZFS: can't find pool details\n");*/

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_log = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome (void) nvlist_find(nvlist, ZPOOL_CONFIG_IS_LOG, DATA_TYPE_UINT64, 0,

199767f8919635c4928607450d9e0abb932109ceToomas Soome &is_log);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (is_log)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa = spa_find_by_guid(pool_guid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!spa) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa = spa_create(pool_guid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa->spa_name = strdup(pool_name);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (pool_txg > spa->spa_txg) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa->spa_txg = pool_txg;

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_newer = 1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else

199767f8919635c4928607450d9e0abb932109ceToomas Soome is_newer = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_GUID,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_UINT64, 0, &guid)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_find(guid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev && vdev->v_phys_read) /* Has this vdev already been inited? */

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nvlist_find(nvlist,

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZPOOL_CONFIG_VDEV_TREE,

199767f8919635c4928607450d9e0abb932109ceToomas Soome DATA_TYPE_NVLIST, 0, &vdevs)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = vdev_init_from_nvlist(vdevs, NULL, &top_vdev, is_newer);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rc)

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (rc);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(pool_vdev, &spa->spa_vdevs, v_childlink)

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (top_vdev == pool_vdev)

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!pool_vdev && top_vdev)

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_INSERT_TAIL(&spa->spa_vdevs, top_vdev, v_childlink);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev = vdev_find(guid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_phys_read = phys_read;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_read_priv = read_priv;

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev->v_state = VDEV_STATE_HEALTHY;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: inconsistent nvlist contents\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_set_state(top_vdev);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome upbuf = zfs_alloc(VDEV_UBERBLOCK_SIZE(vdev));

199767f8919635c4928607450d9e0abb932109ceToomas Soome up = (const struct uberblock *)upbuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome i < VDEV_UBERBLOCK_COUNT(vdev);

199767f8919635c4928607450d9e0abb932109ceToomas Soome i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome off = VDEV_UBERBLOCK_OFFSET(vdev, i);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_ZERO(&bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome DVA_SET_OFFSET(&bp.blk_dva[0], off);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_LSIZE(&bp, VDEV_UBERBLOCK_SIZE(vdev));

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_PSIZE(&bp, VDEV_UBERBLOCK_SIZE(vdev));

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_CHECKSUM(&bp, ZIO_CHECKSUM_LABEL);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_COMPRESS(&bp, ZIO_COMPRESS_OFF);

199767f8919635c4928607450d9e0abb932109ceToomas Soome ZIO_SET_CHECKSUM(&bp.blk_cksum, off, 0, 0, 0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev_read_phys(vdev, &bp, upbuf, off, 0))

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (up->ub_magic != UBERBLOCK_MAGIC)

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (up->ub_txg < spa->spa_txg)

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (up->ub_txg > spa->spa_uberblock.ub_txg) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa->spa_uberblock = *up;

199767f8919635c4928607450d9e0abb932109ceToomas Soome } else if (up->ub_txg == spa->spa_uberblock.ub_txg) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (up->ub_timestamp > spa->spa_uberblock.ub_timestamp)

199767f8919635c4928607450d9e0abb932109ceToomas Soome spa->spa_uberblock = *up;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_free(upbuf, VDEV_UBERBLOCK_SIZE(vdev));

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (spap)

199767f8919635c4928607450d9e0abb932109ceToomas Soome *spap = spa;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomeilog2(int n)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int v;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (v = 0; v < 32; v++)

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (n == (1 << v))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return v;

199767f8919635c4928607450d9e0abb932109ceToomas Soome return -1;

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomezio_read_gang(const spa_t *spa, const blkptr_t *bp, void *buf)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome blkptr_t gbh_bp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome zio_gbh_phys_t zio_gb;

199767f8919635c4928607450d9e0abb932109ceToomas Soome char *pbuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Artificial BP for gang block header. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome gbh_bp = *bp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_PSIZE(&gbh_bp, SPA_GANGBLOCKSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_LSIZE(&gbh_bp, SPA_GANGBLOCKSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_CHECKSUM(&gbh_bp, ZIO_CHECKSUM_GANG_HEADER);

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_SET_COMPRESS(&gbh_bp, ZIO_COMPRESS_OFF);

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < SPA_DVAS_PER_BP; i++)

199767f8919635c4928607450d9e0abb932109ceToomas Soome DVA_SET_GANG(&gbh_bp.blk_dva[i], 0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Read gang header block using the artificial BP. */

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zio_read(spa, &gbh_bp, &zio_gb))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf = buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < SPA_GBH_NBLKPTRS; i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome blkptr_t *gbp = &zio_gb.zg_blkptr[i];

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (BP_IS_HOLE(gbp))

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zio_read(spa, gbp, pbuf))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf += BP_GET_PSIZE(gbp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (zio_checksum_verify(bp, buf))

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (0);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomezio_read(const spa_t *spa, const blkptr_t *bp, void *buf)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int cpfunc = BP_GET_COMPRESS(bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t align, size;

199767f8919635c4928607450d9e0abb932109ceToomas Soome void *pbuf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i, error;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (BP_IS_EMBEDDED(bp)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome ASSERT(BPE_GET_ETYPE(bp) == BP_EMBEDDED_TYPE_DATA);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome size = BPE_GET_PSIZE(bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome ASSERT(size <= BPE_PAYLOAD_SIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cpfunc != ZIO_COMPRESS_OFF)

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf = zfs_alloc(size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf = buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome decode_embedded_bp_compressed(bp, pbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = 0;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cpfunc != ZIO_COMPRESS_OFF) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = zio_decompress_data(cpfunc, pbuf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome size, buf, BP_GET_LSIZE(bp));

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_free(pbuf, size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: i/o error - unable to decompress block pointer data, error %d\n",

199767f8919635c4928607450d9e0abb932109ceToomas Soome error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = EIO;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < SPA_DVAS_PER_BP; i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome const dva_t *dva = &bp->blk_dva[i];

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdev_t *vdev;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int vdevid;

199767f8919635c4928607450d9e0abb932109ceToomas Soome off_t offset;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!dva->dva_word[0] && !dva->dva_word[1])

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome vdevid = DVA_GET_VDEV(dva);

199767f8919635c4928607450d9e0abb932109ceToomas Soome offset = DVA_GET_OFFSET(dva);

199767f8919635c4928607450d9e0abb932109ceToomas Soome STAILQ_FOREACH(vdev, &spa->spa_vdevs, v_childlink) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_id == vdevid)

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (!vdev || !vdev->v_read)

199767f8919635c4928607450d9e0abb932109ceToomas Soome continue;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome size = BP_GET_PSIZE(bp);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (vdev->v_read == vdev_raidz_read) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome align = 1ULL << vdev->v_top->v_ashift;

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (P2PHASE(size, align) != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome size = P2ROUNDUP(size, align);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (size != BP_GET_PSIZE(bp) || cpfunc != ZIO_COMPRESS_OFF)

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf = zfs_alloc(size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome pbuf = buf;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (DVA_GET_GANG(dva))

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = zio_read_gang(spa, bp, pbuf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome else

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = vdev->v_read(vdev, bp, pbuf, offset, size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error == 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (cpfunc != ZIO_COMPRESS_OFF)

199767f8919635c4928607450d9e0abb932109ceToomas Soome error = zio_decompress_data(cpfunc, pbuf,

199767f8919635c4928607450d9e0abb932109ceToomas Soome BP_GET_PSIZE(bp), buf, BP_GET_LSIZE(bp));

199767f8919635c4928607450d9e0abb932109ceToomas Soome else if (size != BP_GET_PSIZE(bp))

199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(pbuf, buf, BP_GET_PSIZE(bp));

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (buf != pbuf)

199767f8919635c4928607450d9e0abb932109ceToomas Soome zfs_free(pbuf, size);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error == 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (error != 0)

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: i/o error - all block copies unavailable\n");

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (error);

199767f8919635c4928607450d9e0abb932109ceToomas Soome}

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int

199767f8919635c4928607450d9e0abb932109ceToomas Soomednode_read(const spa_t *spa, const dnode_phys_t *dnode, off_t offset, void *buf, size_t buflen)

199767f8919635c4928607450d9e0abb932109ceToomas Soome{

199767f8919635c4928607450d9e0abb932109ceToomas Soome int ibshift = dnode->dn_indblkshift - SPA_BLKPTRSHIFT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int bsize = dnode->dn_datablkszsec << SPA_MINBLOCKSHIFT;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int nlevels = dnode->dn_nlevels;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int i, rc;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bsize > SPA_MAXBLOCKSIZE) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("ZFS: I/O error - blocks larger than %llu are not "

199767f8919635c4928607450d9e0abb932109ceToomas Soome "supported\n", SPA_MAXBLOCKSIZE);

199767f8919635c4928607450d9e0abb932109ceToomas Soome return (EIO);

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome while (buflen > 0) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome uint64_t bn = offset / bsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int boff = offset % bsize;

199767f8919635c4928607450d9e0abb932109ceToomas Soome int ibn;

199767f8919635c4928607450d9e0abb932109ceToomas Soome const blkptr_t *indbp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome blkptr_t bp;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (bn > dnode->dn_maxblkid) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("warning: zfs bug: bn %llx > dn_maxblkid %llx\n",

199767f8919635c4928607450d9e0abb932109ceToomas Soome (unsigned long long)bn,

199767f8919635c4928607450d9e0abb932109ceToomas Soome (unsigned long long)dnode->dn_maxblkid);

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (dnode == dnode_cache_obj && bn == dnode_cache_bn)

199767f8919635c4928607450d9e0abb932109ceToomas Soome goto cached;

199767f8919635c4928607450d9e0abb932109ceToomas Soome

199767f8919635c4928607450d9e0abb932109ceToomas Soome indbp = dnode->dn_blkptr;

199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < nlevels; i++) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome /*

199767f8919635c4928607450d9e0abb932109ceToomas Soome ibn = bn >> ((nlevels - i - 1) * ibshift);

199767f8919635c4928607450d9e0abb932109ceToomas Soome ibn &= ((1 << ibshift) - 1);

199767f8919635c4928607450d9e0abb932109ceToomas Soome bp = indbp[ibn];

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (BP_IS_HOLE(&bp)) {

199767f8919635c4928607450d9e0abb932109ceToomas Soome memset(dnode_cache_buf, 0, bsize);

199767f8919635c4928607450d9e0abb932109ceToomas Soome break;

199767f8919635c4928607450d9e0abb932109ceToomas Soome }

199767f8919635c4928607450d9e0abb932109ceToomas Soome rc = zio_read(spa, &bp, dnode_cache_buf);

199767f8919635c4928607450d9e0abb932109ceToomas Soome if (rc)