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fc58801ccc
Drive and controller status can be reported, basic attributes changed, and arrays and spares can be created and deleted. Approved by: re Obtained from: Yahoo! Inc.
396 lines
10 KiB
C
396 lines
10 KiB
C
/*-
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* Copyright (c) 2008 Yahoo!, Inc.
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* All rights reserved.
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* Written by: John Baldwin <jhb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <ctype.h>
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#include <err.h>
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#include <libutil.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <camlib.h>
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#include <cam/scsi/scsi_all.h>
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#include "mptutil.h"
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const char *
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mpt_pdstate(CONFIG_PAGE_RAID_PHYS_DISK_0 *info)
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{
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static char buf[16];
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switch (info->PhysDiskStatus.State) {
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case MPI_PHYSDISK0_STATUS_ONLINE:
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if ((info->PhysDiskStatus.Flags &
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MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC) &&
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info->PhysDiskSettings.HotSparePool == 0)
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return ("REBUILD");
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else
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return ("ONLINE");
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case MPI_PHYSDISK0_STATUS_MISSING:
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return ("MISSING");
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case MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE:
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return ("NOT COMPATIBLE");
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case MPI_PHYSDISK0_STATUS_FAILED:
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return ("FAILED");
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case MPI_PHYSDISK0_STATUS_INITIALIZING:
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return ("INITIALIZING");
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case MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED:
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return ("OFFLINE REQUESTED");
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case MPI_PHYSDISK0_STATUS_FAILED_REQUESTED:
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return ("FAILED REQUESTED");
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case MPI_PHYSDISK0_STATUS_OTHER_OFFLINE:
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return ("OTHER OFFLINE");
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default:
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sprintf(buf, "PSTATE 0x%02x", info->PhysDiskStatus.State);
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return (buf);
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}
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}
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/*
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* There are several ways to enumerate physical disks. Unfortunately,
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* none of them are truly complete, so we have to build a union of all of
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* them. Specifically:
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*
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* - IOC2 : This gives us a list of volumes, and by walking the volumes we
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* can enumerate all of the drives attached to volumes including
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* online drives and failed drives.
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* - IOC3 : This gives us a list of all online physical drives including
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* drives that are not part of a volume nor a spare drive. It
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* does not include any failed drives.
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* - IOC5 : This gives us a list of all spare drives including failed
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* spares.
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*
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* The specific edge cases are that 1) a failed volume member can only be
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* found via IOC2, 2) a drive that is neither a volume member nor a spare
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* can only be found via IOC3, and 3) a failed spare can only be found via
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* IOC5.
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*
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* To handle this, walk all of the three lists and use the following
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* routine to add each drive encountered. It quietly succeeds if the
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* drive is already present in the list. It also sorts the list as it
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* inserts new drives.
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*/
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static int
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mpt_pd_insert(int fd, struct mpt_drive_list *list, U8 PhysDiskNum)
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{
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int i, j;
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/*
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* First, do a simple linear search to see if we have already
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* seen this drive.
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*/
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for (i = 0; i < list->ndrives; i++) {
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if (list->drives[i]->PhysDiskNum == PhysDiskNum)
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return (0);
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if (list->drives[i]->PhysDiskNum > PhysDiskNum)
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break;
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}
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/*
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* 'i' is our slot for the 'new' drive. Make room and then
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* read the drive info.
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*/
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for (j = list->ndrives - 1; j >= i; j--)
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list->drives[j + 1] = list->drives[j];
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list->drives[i] = mpt_pd_info(fd, PhysDiskNum, NULL);
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if (list->drives[i] == NULL)
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return (-1);
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list->ndrives++;
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return (0);
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}
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struct mpt_drive_list *
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mpt_pd_list(int fd)
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{
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CONFIG_PAGE_IOC_2 *ioc2;
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CONFIG_PAGE_IOC_2_RAID_VOL *vol;
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CONFIG_PAGE_RAID_VOL_0 **volumes;
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RAID_VOL0_PHYS_DISK *rdisk;
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CONFIG_PAGE_IOC_3 *ioc3;
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IOC_3_PHYS_DISK *disk;
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CONFIG_PAGE_IOC_5 *ioc5;
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IOC_5_HOT_SPARE *spare;
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struct mpt_drive_list *list;
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int count, i, j;
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ioc2 = mpt_read_ioc_page(fd, 2, NULL);
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if (ioc2 == NULL) {
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warn("Failed to fetch volume list");
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return (NULL);
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}
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ioc3 = mpt_read_ioc_page(fd, 3, NULL);
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if (ioc3 == NULL) {
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warn("Failed to fetch drive list");
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free(ioc2);
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return (NULL);
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}
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ioc5 = mpt_read_ioc_page(fd, 5, NULL);
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if (ioc5 == NULL) {
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warn("Failed to fetch spare list");
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free(ioc3);
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free(ioc2);
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return (NULL);
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}
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/*
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* Go ahead and read the info for all the volumes. For this
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* pass we figure out how many physical drives there are.
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*/
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volumes = malloc(sizeof(*volumes) * ioc2->NumActiveVolumes);
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count = 0;
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vol = ioc2->RaidVolume;
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for (i = 0; i < ioc2->NumActiveVolumes; vol++, i++) {
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volumes[i] = mpt_vol_info(fd, vol->VolumeBus, vol->VolumeID,
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NULL);
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if (volumes[i] == NULL) {
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warn("Failed to read volume info");
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return (NULL);
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}
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count += volumes[i]->NumPhysDisks;
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}
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count += ioc3->NumPhysDisks;
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count += ioc5->NumHotSpares;
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/* Walk the various lists enumerating drives. */
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list = malloc(sizeof(*list) + sizeof(CONFIG_PAGE_RAID_PHYS_DISK_0) *
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count);
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list->ndrives = 0;
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for (i = 0; i < ioc2->NumActiveVolumes; i++) {
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rdisk = volumes[i]->PhysDisk;
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for (j = 0; j < volumes[i]->NumPhysDisks; rdisk++, j++)
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if (mpt_pd_insert(fd, list, rdisk->PhysDiskNum) < 0)
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return (NULL);
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free(volumes[i]);
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}
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free(ioc2);
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free(volumes);
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spare = ioc5->HotSpare;
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for (i = 0; i < ioc5->NumHotSpares; spare++, i++)
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if (mpt_pd_insert(fd, list, spare->PhysDiskNum) < 0)
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return (NULL);
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free(ioc5);
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disk = ioc3->PhysDisk;
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for (i = 0; i < ioc3->NumPhysDisks; disk++, i++)
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if (mpt_pd_insert(fd, list, disk->PhysDiskNum) < 0)
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return (NULL);
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free(ioc3);
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return (list);
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}
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void
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mpt_free_pd_list(struct mpt_drive_list *list)
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{
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int i;
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for (i = 0; i < list->ndrives; i++)
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free(list->drives[i]);
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free(list);
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}
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int
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mpt_lookup_drive(struct mpt_drive_list *list, const char *drive,
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U8 *PhysDiskNum)
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{
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long val;
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uint8_t bus, id;
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char *cp;
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/* Look for a raw device id first. */
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val = strtol(drive, &cp, 0);
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if (*cp == '\0') {
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if (val < 0 || val > 0xff)
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goto bad;
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*PhysDiskNum = val;
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return (0);
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}
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/* Look for a <bus>:<id> string. */
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if (*cp == ':') {
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if (val < 0 || val > 0xff)
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goto bad;
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bus = val;
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val = strtol(cp + 1, &cp, 0);
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if (*cp != '\0')
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goto bad;
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if (val < 0 || val > 0xff)
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goto bad;
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id = val;
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for (val = 0; val < list->ndrives; val++) {
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if (list->drives[val]->PhysDiskBus == bus &&
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list->drives[val]->PhysDiskID == id) {
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*PhysDiskNum = list->drives[val]->PhysDiskNum;
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return (0);
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}
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}
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errno = ENOENT;
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return (-1);
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}
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bad:
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errno = EINVAL;
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return (-1);
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}
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/* Borrowed heavily from scsi_all.c:scsi_print_inquiry(). */
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const char *
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mpt_pd_inq_string(CONFIG_PAGE_RAID_PHYS_DISK_0 *pd_info)
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{
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RAID_PHYS_DISK0_INQUIRY_DATA *inq_data;
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u_char vendor[9], product[17], revision[5];
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static char inq_string[64];
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inq_data = &pd_info->InquiryData;
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cam_strvis(vendor, inq_data->VendorID, sizeof(inq_data->VendorID),
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sizeof(vendor));
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cam_strvis(product, inq_data->ProductID, sizeof(inq_data->ProductID),
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sizeof(product));
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cam_strvis(revision, inq_data->ProductRevLevel,
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sizeof(inq_data->ProductRevLevel), sizeof(revision));
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/* Total hack. */
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if (strcmp(vendor, "ATA") == 0)
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snprintf(inq_string, sizeof(inq_string), "<%s %s> SATA",
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product, revision);
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else
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snprintf(inq_string, sizeof(inq_string), "<%s %s %s> SAS",
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vendor, product, revision);
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return (inq_string);
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}
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/* Helper function to set a drive to a given state. */
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static int
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drive_set_state(char *drive, U8 Action, U8 State, const char *name)
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{
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CONFIG_PAGE_RAID_PHYS_DISK_0 *info;
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struct mpt_drive_list *list;
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U8 PhysDiskNum;
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int fd;
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fd = mpt_open(mpt_unit);
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if (fd < 0) {
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warn("mpt_open");
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return (errno);
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}
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list = mpt_pd_list(fd);
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if (list == NULL)
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return (errno);
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if (mpt_lookup_drive(list, drive, &PhysDiskNum) < 0) {
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warn("Failed to find drive %s", drive);
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return (errno);
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}
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mpt_free_pd_list(list);
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/* Get the info for this drive. */
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info = mpt_pd_info(fd, PhysDiskNum, NULL);
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if (info == NULL) {
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warn("Failed to fetch info for drive %u", PhysDiskNum);
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return (errno);
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}
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/* Try to change the state. */
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if (info->PhysDiskStatus.State == State) {
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warnx("Drive %u is already in the desired state", PhysDiskNum);
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return (EINVAL);
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}
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if (mpt_raid_action(fd, Action, 0, 0, PhysDiskNum, 0, NULL, 0, NULL,
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NULL, 0, NULL, NULL, 0) < 0) {
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warn("Failed to set drive %u to %s", PhysDiskNum, name);
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return (errno);
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}
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free(info);
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close(fd);
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return (0);
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}
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static int
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fail_drive(int ac, char **av)
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{
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if (ac != 2) {
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warnx("fail: %s", ac > 2 ? "extra arguments" :
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"drive required");
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return (EINVAL);
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}
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return (drive_set_state(av[1], MPI_RAID_ACTION_FAIL_PHYSDISK,
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MPI_PHYSDISK0_STATUS_FAILED_REQUESTED, "FAILED"));
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}
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MPT_COMMAND(top, fail, fail_drive);
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static int
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online_drive(int ac, char **av)
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{
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if (ac != 2) {
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warnx("online: %s", ac > 2 ? "extra arguments" :
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"drive required");
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return (EINVAL);
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}
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return (drive_set_state(av[1], MPI_RAID_ACTION_PHYSDISK_ONLINE,
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MPI_PHYSDISK0_STATUS_ONLINE, "ONLINE"));
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}
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MPT_COMMAND(top, online, online_drive);
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static int
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offline_drive(int ac, char **av)
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{
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if (ac != 2) {
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warnx("offline: %s", ac > 2 ? "extra arguments" :
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"drive required");
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return (EINVAL);
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}
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return (drive_set_state(av[1], MPI_RAID_ACTION_PHYSDISK_OFFLINE,
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MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED, "OFFLINE"));
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}
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MPT_COMMAND(top, offline, offline_drive);
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