lvm/raid/raid_ioctl.c

127  * PARAMETERS:	minor_t	      mnum - minor device number for RAID unit
141 raid_getun(minor_t mnum, md_error_t *mde, int flags, IOLOCK *lock)
145 	set_t		setno = MD_MIN2SET(mnum);
147 	if ((setno >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits)) {
148 		(void) mdmderror(mde, MDE_INVAL_UNIT, mnum);
154 			(void) mdmddberror(mde, MDE_DB_STALE, mnum, setno);
159 	ui = MDI_UNIT(mnum);
162 			(void) mdmderror(mde, MDE_UNIT_ALREADY_SETUP, mnum);
169 		(void) mdmderror(mde, MDE_UNIT_NOT_SETUP, mnum);
184 	un = (mr_unit_t *)MD_UNIT(mnum);
187 		(void) mdmderror(mde, MDE_NOT_RAID, mnum);
254 	minor_t		mnum = MD_SID(un);
272 		tmpdev = md_resolve_bydevid(mnum, tmpdev, HOTSPARED(un, i) ?
274 		if (md_layered_open(mnum, &tmpdev, MD_OFLG_NULL)) {
423  * PARAMETERS:	minor_t	 mnum - RAID unit minor identifier
433 raid_init_columns(minor_t mnum)
446 	set_t		setno = MD_MIN2SET(mnum);
468 	ui = MDI_UNIT(mnum);
475 		(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);
535 			tmpdev = md_resolve_bydevid(mnum, tmpdev,
539 			if ((cur->ci_err = md_layered_open(mnum, &tmpdev,
606 			md_nblocks_set(mnum, un->c.un_total_blocks);
636 	(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);
648 raid_init_unit(minor_t mnum, md_error_t *ep)
653 	set_t		setno = MD_MIN2SET(mnum);
655 	ui = MDI_UNIT(mnum);
657 		return (mdmddberror(ep, MDE_DB_STALE, mnum, setno));
661 		return (mdmderror(ep, MDE_RAID_OPEN_FAILURE, mnum));
664 	if (raid_internal_open(mnum, (FREAD | FWRITE),
666 		rval = mdmderror(ep, MDE_RAID_OPEN_FAILURE, mnum);
675 	    (void *)(uintptr_t)mnum, 0, &p0, TS_RUN, minclsyspri);
711 regen_unit(minor_t mnum)
713 	mdi_unit_t	*ui = MDI_UNIT(mnum);
714 	mr_unit_t	*un = MD_UNIT(mnum);
749 		bp->b_edev = mnum;
766 	(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);
793 raid_regen_unit(minor_t mnum, md_error_t *ep)
798 	set_t		setno = MD_MIN2SET(mnum);
800 	ui = MDI_UNIT(mnum);
801 	un = (mr_unit_t *)MD_UNIT(mnum);
804 		return (mdmddberror(ep, MDE_DB_STALE, mnum, setno));
808 		return (mdmderror(ep, MDE_RAID_OPEN_FAILURE, mnum));
811 	if (raid_internal_open(mnum, (FREAD | FWRITE), OTYP_LYR, 0)) {
816 		return (mdmderror(ep, MDE_RAID_OPEN_FAILURE, mnum));
821 	    (void *)(uintptr_t)mnum, 0, &p0, TS_RUN, minclsyspri);
829 	minor_t		mnum = mrp->mnum;
834 	un = md_unit_readerlock(MDI_UNIT(mnum));
837 		md_unit_readerexit(MDI_UNIT(mnum));
838 		return (mdmderror(&mrp->mde, MDE_IN_USE, mnum));
843 		md_unit_readerexit(MDI_UNIT(mnum));
844 		return (mdmderror(&mrp->mde, MDE_RESYNC_ACTIVE, mnum));
848 		md_unit_readerexit(MDI_UNIT(mnum));
849 		return (mdmderror(&mrp->mde, MDE_IN_USE, mnum));
854 		md_unit_readerexit(MDI_UNIT(mnum));
855 		return (mdmderror(&mrp->mde, MDE_RAID_NOT_OKAY, mnum));
858 	md_unit_readerexit(MDI_UNIT(mnum));
861 	if ((un = raid_getun(mnum, &mrp->mde, WRITERS, lock)) == NULL)
866 		return (mdmderror(&mrp->mde, MDE_RAID_NOT_OKAY, mnum));
872 	return (raid_regen_unit(mnum, &mrp->mde));
887 	minor_t		mnum;
900 	mnum = msp->mnum;
901 	setno = MD_MIN2SET(mnum);
905 	if (raid_getun(mnum, &msp->mde, NO_OLD, NULL) == NULL)
915 		return (mdmderror(&msp->mde, MDE_UNIT_TOO_LARGE, mnum));
927 		    (int)mr_recid, mnum, setno));
961 	MD_SID(un) = mnum;
984 		md_nblocks_set(mnum, -1ULL);
985 		MD_UNIT(mnum) = NULL;
1002 			md_nblocks_set(mnum, -1ULL);
1003 			MD_UNIT(mnum) = NULL;
1031 	md_create_unit_incore(mnum, &raid_md_ops, 1);
1045 	return (raid_init_unit(mnum, &msp->mde));
1065 	minor_t		mnum;
1070 	mnum = migph->id;
1074 	if ((un = raid_getun(mnum, &migph->mde,
1110 	minor_t		mnum = mrp->mnum;
1129 	setno = MD_MIN2SET(mnum);
1132 	un = md_unit_readerlock(MDI_UNIT(mnum));
1136 		md_unit_readerexit(MDI_UNIT(mnum));
1137 		return (mdmderror(ep, MDE_RESYNC_ACTIVE, mnum));
1141 		md_unit_readerexit(MDI_UNIT(mnum));
1142 		return (mdmderror(ep, MDE_RAID_DOI, mnum));
1147 		md_unit_readerexit(MDI_UNIT(mnum));
1148 		return (mdmderror(ep, MDE_IN_USE, mnum));
1151 	md_unit_readerexit(MDI_UNIT(mnum));
1154 	if ((un = raid_getun(mnum, ep, WRITERS, lock)) == NULL)
1167 			tmpdevt = md_resolve_bydevid(mnum, tmpdevt,
1197 		    mnum, odev));
1201 		return (mdmderror(ep, MDE_RESYNC_ACTIVE, mnum));
1204 		return (mdcomperror(ep, MDE_REPL_INVAL_STATE, mnum,
1209 		return (mdmderror(ep, MDE_IN_USE, mnum));
1221 			return (mdmderror(ep, MDE_RAID_NEED_FORCE, mnum));
1228 					    MDE_RAID_COMP_ERRED, mnum,
1237 			    mnum, un->un_column[col].un_dev));
1244 			    mnum, un->un_column[ix].un_dev));
1256 	    resync_request(mnum, col, 0, ep))
1257 		return (mdmderror(ep, MDE_RESYNC_ACTIVE, mnum));
1266 		tmpdev = md_resolve_bydevid(mnum, tmpdev, mrp->new_key);
1267 		if (md_layered_open(mnum, &tmpdev, MD_OFLG_NULL)) {
1268 			return (mdcomperror(ep, MDE_COMP_OPEN_ERR, mnum,
1361 		tmpdev = md_resolve_bydevid(mnum, tmpdev, raidkey);
1382 			    mnum, tmpdev));
1398 				if (md_layered_open(mnum, &tmpdev,
1402 					    MDE_COMP_OPEN_ERR, mnum, tmpdev));
1448 		err = raid_init_unit(mnum, ep);
1450 		err = raid_resync_unit(mnum, ep);
1459 	un = md_unit_writerlock(MDI_UNIT(mnum));
1467 	md_unit_writerexit(MDI_UNIT(mnum));
1490 	minor_t			mnum = rip->ri_mnum;
1500 	if ((un = raid_getun(mnum, &rip->mde, WRITERS, lock)) == NULL)
1504 		return (mdmderror(&rip->mde, MDE_RAID_DOI, mnum));
1507 		return (mdmderror(&rip->mde, MDE_RESYNC_ACTIVE, mnum));
1527 		return (raid_init_unit(mnum, &rip->mde));
1541 		un = md_unit_writerlock(MDI_UNIT(mnum));
1567 		(void) resync_request(mnum, ix, 0, NULL);
1568 		md_unit_writerexit(MDI_UNIT(mnum));
1569 		err = raid_resync_unit(mnum, &rip->mde);
1574 		err = raid_regen_unit(mnum, &rip->mde);
1579 	if (raid_internal_open(mnum, (FREAD | FWRITE), OTYP_LYR, 0))
1581 		    MDE_RAID_OPEN_FAILURE, mnum));
1582 	(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);
1603 	minor_t			mnum = rip->ri_mnum;
1612 	if ((un = raid_getun(mnum, &rip->mde, RD_LOCK, lock)) == NULL)
1679 	minor_t		mnum;
1699 	mnum = mgph->mnum;
1703 	ui = MDI_UNIT(mnum);
1708 		return (mdmderror(&mgph->mde, MDE_IN_USE, mnum));
1713 		return (mdmderror(&mgph->mde, MDE_RESYNC_ACTIVE, mnum));
1718 		return (mdmderror(&mgph->mde, MDE_RAID_LAST_ERRED, mnum));
1723 		return (mdmderror(&mgph->mde, MDE_RAID_DOI, mnum));
1728 		return (mdmderror(&mgph->mde, MDE_IN_USE, mnum));
1733 	if ((un = raid_getun(mnum, &mgph->mde, WRITERS, lock)) ==
1738 		return (mdmderror(&mgph->mde, MDE_IN_USE, mnum));
1741 		return (mdmderror(&mgph->mde, MDE_RESYNC_ACTIVE, mnum));
1747 		return (mdmderror(&mgph->mde, MDE_RAID_LAST_ERRED, mnum));
1750 		return (mdmderror(&mgph->mde, MDE_RAID_DOI, mnum));
1753 		return (mdmderror(&mgph->mde, MDE_IN_USE, mnum));
1755 	setno = MD_MIN2SET(mnum);
1769 		return (mdmderror(&mgph->mde, MDE_UNIT_TOO_LARGE, mnum));
1780 		    mnum, setno);
1925 	md_nblocks_set(mnum, new_un->c.un_total_blocks);
1926 	MD_UNIT(mnum) = new_un;
1954 	if (raid_internal_open(mnum, (FREAD | FWRITE), OTYP_LYR, 0)) {
1955 		rval = mdmderror(&mgph->mde, MDE_RAID_OPEN_FAILURE, mnum);
1967 	(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);
1972 	return (raid_init_unit(mnum, &mgph->mde));
1986 	minor_t		mnum = mirp->mnum;
1989 	set_t		setno = MD_MIN2SET(mnum);
1998 	if ((un = raid_getun(mnum, &mirp->mde, NO_LOCK, NULL)) ==
2003 	ui = MDI_UNIT(mnum);
2007 		return (mdmderror(&mirp->mde, MDE_IN_USE, mnum));
2011 	if (md_unit_isopen(MDI_UNIT(mnum))) {
2014 		return (mdmderror(&mirp->mde, MDE_IS_OPEN, mnum));
2019 		return (mdmderror(&mirp->mde, MDE_RAID_NEED_FORCE, mnum));
2022 	reset_raid(un, mnum, 1);
2035 		(void) md_upd_set_unnext(setno, MD_MIN2UNIT(mnum));
2180 	minor_t			mnum;
2188 	mnum = mgdph->mnum;
2193 	if ((un = raid_getun(mnum, &mgdph->mde, RD_LOCK, lock)) == NULL)
2249 	minor_t		mnum = mrp->mnum;
2259 	if ((un = raid_getun(mnum, &mrp->mde, WR_LOCK, lock)) == NULL)
2268 			return (mdmderror(&mrp->mde, MDE_HS_IN_USE, mnum));
2655 	minor_t		mnum = getminor(dev);
2660 	if (mnum == MD_ADM_MINOR)
2664 	if ((MD_MIN2SET(mnum) >= md_nsets) ||
2665 	    (MD_MIN2UNIT(mnum) >= md_nunits) ||
2666 	    ((un = MD_UNIT(mnum)) == NULL))
2687 		get_info(p, mnum);
2702 		get_minfo(&p, mnum);
2870 		return (md_dkiocgetefi(mnum, data, mode));
2879 		return (md_dkiocsetefi(mnum, data, mode));
2884 		return (md_dkiocpartition(mnum, data, mode));
2919 	from_min = rtxnp->from.mnum;
2920 	to_min = rtxnp->to.mnum;
3074 	minor_t		mnum;
3079 	mnum = md_getminor(delta->dev);
3080 	if (mnum == rtxnp->to.mnum && rtxnp->op == MDRNOP_RENAME) {
3086 		(void) mdmderror(&rtxnp->mde, MDE_UNIT_NOT_SETUP, mnum);
3125 	minor_t		mnum = MD_SID(un);
3139 	if (raid_internal_open(mnum, (FREAD | FWRITE),
3147 		(void) raid_internal_close(mnum, OTYP_LYR, 0, 0);