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man:smartpqi

SMARTPQI(4) Linux Programmer's Manual SMARTPQI(4)

NAME

     smartpqi - Microsemi Smart Family SCSI driver

SYNOPSIS

     [disable_device_id_wildcards={0|1}]   [disable_heartbeat={0|1}]   [dis-
     able_ctrl_shutdown={0|1}] [lockup_action={none|reboot|panic}]

DESCRIPTION

     smartpqi is a SCSI driver for Microsemi Smart Family controllers.
 Supported ioctl() operations
     For compatibility  with  applications  written  for  the  cciss(4)  and
     hpsa(4) drivers, many, but not all of the ioctl(2) operations supported
     by the hpsa driver are also supported by the smartpqi driver.  The data
     structures  used  by these operations are described in the Linux kernel
     source file include/linux/cciss_ioctl.h.
     CCISS_DEREGDISK, CCISS_REGNEWDISK, CCISS_REGNEWD
            These operations all do exactly the  same  thing,  which  is  to
            cause  the driver to re-scan for new devices.  This does exactly
            the same thing as writing to the smartpqi-specific  host  rescan
            attribute.
     CCISS_GETPCIINFO
            This  operation Returns the PCI domain, bus, device and function
            and "board ID" (PCI subsystem ID).
     CCISS_GETDRIVVER
            This operation returns the driver version in four bytes, encoded
            as:
                (major_version << 28) | (minor_version << 24) |
                        (release << 16) | revision
     CCISS_PASSTHRU
            Allows  BMIC  and CISS commands to be passed through to the con-
            troller.
 Boot options
     disable_device_id_wildcards={0|1}
            Disables support for device ID wildcards.  The default value  is
            0.
     disable_heartbeat={0|1}
            Disables  support  for  the  controller's heartbeat check.  This
            parameter is used for debugging purposes.  The default value  is
            0, leaving the controller's heartbeat check active.
     disable_ctrl_shutdown={0|1}
            Disables  support  for shutting down the controller in the event
            of a controller lockup.  The default value is 0.
     lockup_action={none|reboot|panic}
            Specifies the action the driver takes when a  controller  lockup
            is detected.  The default action is none.
            parameter   action
            ---------------------------------------------
            none        take controller offline only
            reboot      reboot the system
            panic       panic the system

FILES

 Device nodes
     Logical  drives are accessed via the SCSI disk driver (sd), tape drives
     via the SCSI tape driver (st), and the RAID  controller  via  the  SCSI
     generic  driver  (sg),  with device nodes named /dev/sd*, /dev/st*, and
     /dev/sg*, respectively.
 SmartPQI-specific host attribute files in /sys
     /sys/class/scsi_host/host*/rescan
            The host rescan attribute 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 con-
            figured or deleted logical drives) and notify the SCSI mid-layer
            of any changes detected.  Usually this action is triggered auto-
            matically  by configuration changes, so the user should not nor-
            mally have to write to this file.  Doing so may be  useful  when
            hot-plugging devices such as tape drives or entire storage boxes
            containing pre-configured logical drives.
     /sys/class/scsi_host/host*/version
            The host version  attribute  is  a  read-only  attribute.   This
            attribute   contains  the  driver  version  and  the  controller
            firmware version.
            For example:
                $ cat /sys/class/scsi_host/host1/version  driver:  1.1.2-126
                firmware: 1.29-112
     /sys/class/scsi_host/host*/lockup_action
            The  host  lockup_action  attribute  is  a read/write attribute.
            This attribute will cause  the  driver  to  perform  a  specific
            action  in  the unlikely event that a controller lockup has been
            detected.   See  OPTIONS  above  for  an  explanation   of   the
            lockup_action values.
 SmartPQI-specific disk attribute files in /sys
     In the file specifications below, c stands for the number of the appro-
     priate SCSI controller, b is the bus number, t the target number, and l
     is the logical unit number (LUN).
     /sys/class/scsi_disk/c:b:t:l/device/raid_level
            The  raid_level attribute is read-only.  This attribute contains
            the RAID level of each logical drive.
            For example:
                $ cat /sys/class/scsi_disk/4:0:0:0/device/raid_level RAID 0
     /sys/class/scsi_disk/c:b:t:l/device/sas_address
            The sas_address attribute is read-only.  This attribute contains
            the unique identifier of the disk.
            For example:
                $     cat    /sys/class/scsi_disk/1:0:3:0/device/sas_address
                0x5001173d028543a2
     /sys/class/scsi_disk/c:b:t:l/device/ssd_smart_path_enabled
            The  ssd_smart_path_enabled  attribute   is   read-only.    This
            attribute is for ioaccel-enabled volumes.  (Ioaccel is an alter-
            native driver submission path that allows the driver to send I/O
            requests  directly  to  backend SCSI devices, bypassing the con-
            troller firmware.  This results in an increase  in  performance.
            This  method  is used for HBA disks and for logical volumes com-
            prised of SSDs.)  Contains 1 if ioaccel is enabled for the  vol-
            ume and 0 otherwise.
            For example:
              $                                                          cat
              /sys/class/scsi_disk/1:0:3:0/device/ssd_smart_path_enabled 0

VERSIONS

     The smarpqi driver was added in Linux 4.9.

NOTES

 Configuration
     To configure a Microsemi Smart Family controller,  refer  to  the  User
     Guide  for the controller, which can be found by searching for the spe-
     cific controller at

SEE ALSO

     cciss(4), hpsa(4), sd(4), st(4)
     Documentation/ABI/testing/sysfs-bus-pci-devices-cciss in the Linux ker-
     nel source tree.

COLOPHON

     This  page  is  part of release 4.16 of the Linux man-pages project.  A
     description of the project, information about reporting bugs,  and  the
     latest     version     of     this    page,    can    be    found    at
     https://www.kernel.org/doc/man-pages/.

Linux 2017-10-19 SMARTPQI(4)

/data/webs/external/dokuwiki/data/pages/man/smartpqi.txt · Last modified: 2019/05/17 09:47 by 127.0.0.1

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