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-.\" Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
-.\" Written by Stephen M. Cameron <scameron@beardog.cce.hp.com>
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-only
-.\"
-.\" shorthand for double quote that works everywhere.
-.ds q \N'34'
-.TH hpsa 4 (date) "Linux man-pages (unreleased)"
-.SH NAME
-hpsa \- HP Smart Array SCSI driver
-.SH SYNOPSIS
-.nf
-modprobe hpsa [ hpsa_allow_any=1 ]
-.fi
-.SH DESCRIPTION
-.B hpsa
-is a SCSI driver for HP Smart Array RAID controllers.
-.SS Options
-.IR "hpsa_allow_any=1" :
-This option allows the driver to attempt to operate on
-any HP Smart Array hardware RAID controller,
-even if it is not explicitly known to the driver.
-This allows newer hardware to work with older drivers.
-Typically this is used to allow installation of
-operating systems from media that predates the
-RAID controller, though it may also be used to enable
-.B hpsa
-to drive older controllers that would normally be handled by the
-.BR cciss (4)
-driver.
-These older boards have not been tested and are
-not supported with
-.BR hpsa ,
-and
-.BR cciss (4)
-should still be used for these.
-.SS Supported hardware
-The
-.B hpsa
-driver supports the following Smart Array boards:
-.P
-.nf
- Smart Array P700M
- Smart Array P212
- Smart Array P410
- Smart Array P410i
- Smart Array P411
- Smart Array P812
- Smart Array P712m
- Smart Array P711m
- StorageWorks P1210m
-.fi
-.P
-.\" commit 135ae6edeb51979d0998daf1357f149a7d6ebb08
-Since Linux 4.14, the following Smart Array boards are also supported:
-.P
-.nf
- Smart Array 5300
- Smart Array 5312
- Smart Array 532
- Smart Array 5i
- Smart Array 6400
- Smart Array 6400 EM
- Smart Array 641
- Smart Array 642
- Smart Array 6i
- Smart Array E200
- Smart Array E200i
- Smart Array E200i
- Smart Array E200i
- Smart Array E200i
- Smart Array E500
- Smart Array P400
- Smart Array P400i
- Smart Array P600
- Smart Array P700m
- Smart Array P800
-.fi
-.SS Configuration details
-To configure HP Smart Array controllers,
-use the HP Array Configuration Utility (either
-.BR hpacuxe (8)
-or
-.BR hpacucli (8))
-or the Offline ROM-based Configuration Utility (ORCA)
-run from the Smart Array's option ROM at boot time.
-.SH FILES
-.SS Device nodes
-Logical drives are accessed via the SCSI disk driver
-.RB ( sd (4)),
-tape drives via the SCSI tape driver
-.RB ( st (4)),
-and
-the RAID controller via the SCSI generic driver
-.RB ( sg (4)),
-with device nodes named
-.IR /dev/sd* ,
-.IR /dev/st* ,
-and
-.IR /dev/sg* ,
-respectively.
-.SS HPSA-specific host attribute files in /sys
-.TP
-.I /sys/class/scsi_host/host*/rescan
-This is a write-only attribute.
-Writing to this attribute will cause the driver to scan for
-new, changed, or removed devices (e.g., hot-plugged tape drives,
-or newly configured or deleted logical drives, etc.)
-and notify the SCSI midlayer of any changes detected.
-Normally a rescan is triggered automatically
-by HP's Array Configuration Utility (either the GUI or the
-command-line variety);
-thus, for logical drive changes, the user should not
-normally have to use this attribute.
-This attribute may be useful when hot plugging devices like tape drives,
-or entire storage boxes containing preconfigured logical drives.
-.TP
-.I /sys/class/scsi_host/host*/firmware_revision
-This attribute contains the firmware version of the Smart Array.
-.IP
-For example:
-.IP
-.in +4n
-.EX
-# \fBcd /sys/class/scsi_host/host4\fP
-# \fBcat firmware_revision\fP
-7.14
-.EE
-.in
-.\"
-.SS HPSA-specific disk attribute files in /sys
-.TP
-.I /sys/class/scsi_disk/c:b:t:l/device/unique_id
-This attribute contains a 32 hex-digit unique ID for each logical drive.
-.IP
-For example:
-.IP
-.in +4n
-.EX
-# \fBcd /sys/class/scsi_disk/4:0:0:0/device\fP
-# \fBcat unique_id\fP
-600508B1001044395355323037570F77
-.EE
-.in
-.TP
-.I /sys/class/scsi_disk/c:b:t:l/device/raid_level
-This attribute contains the RAID level of each logical drive.
-.IP
-For example:
-.IP
-.in +4n
-.EX
-# \fBcd /sys/class/scsi_disk/4:0:0:0/device\fP
-# \fBcat raid_level\fP
-RAID 0
-.EE
-.in
-.TP
-.I /sys/class/scsi_disk/c:b:t:l/device/lunid
-This attribute contains the 16 hex-digit (8 byte) LUN ID
-by which a logical drive or physical device can be addressed.
-.IR c : b : t : l
-are the controller, bus, target, and lun of the device.
-.P
-For example:
-.IP
-.in +4n
-.EX
-# \fBcd /sys/class/scsi_disk/4:0:0:0/device\fP
-# \fBcat lunid\fP
-0x0000004000000000
-.EE
-.in
-.\"
-.SS Supported ioctl() operations
-For compatibility with applications written for the
-.BR cciss (4)
-driver, many, but
-not all of the ioctls supported by the
-.BR cciss (4)
-driver are also supported by the
-.B hpsa
-driver.
-The data structures used by these ioctls are described in
-the Linux kernel source file
-.IR include/linux/cciss_ioctl.h .
-.TP
-.B CCISS_DEREGDISK
-.TQ
-.B CCISS_REGNEWDISK
-.TQ
-.B CCISS_REGNEWD
-These three ioctls all do exactly the same thing,
-which is to cause the driver to rescan for new devices.
-This does exactly the same thing as writing to the
-hpsa-specific host "rescan" attribute.
-.TP
-.B CCISS_GETPCIINFO
-Returns PCI domain, bus, device, and function and "board ID" (PCI subsystem ID).
-.TP
-.B CCISS_GETDRIVVER
-Returns driver version in three bytes encoded as:
-.IP
-.in +4n
-.EX
-(major_version << 16) | (minor_version << 8) |
- (subminor_version)
-.EE
-.in
-.TP
-.B CCISS_PASSTHRU
-.TQ
-.B CCISS_BIG_PASSTHRU
-Allows "BMIC" and "CISS" commands to be passed through to the Smart Array.
-These are used extensively by the HP Array Configuration Utility,
-SNMP storage agents, and so on.
-See
-.I cciss_vol_status
-at
-.UR http://cciss.sf.net
-.UE
-for some examples.
-.SH SEE ALSO
-.BR cciss (4),
-.BR sd (4),
-.BR st (4),
-.BR cciss_vol_status (8),
-.BR hpacucli (8),
-.BR hpacuxe (8)
-.P
-.UR http://cciss.sf.net
-.UE ,
-and
-.I Documentation/scsi/hpsa.txt
-and
-.I Documentation/ABI/testing/sysfs\-bus\-pci\-devices\-cciss
-in the Linux kernel source tree
-.\" .SH AUTHORS
-.\" Don Brace, Steve Cameron, Tom Lawler, Mike Miller, Scott Teel
-.\" and probably some other people.