SCSI Kernel Parameters

See Documentation/admin-guide/kernel-parameters.rst for general information onspecifying module parameters.

This document may not be entirely up to date and comprehensive. The commandmodinfo-p${modulename} shows a current list of all parameters of a loadablemodule. Loadable modules, after being loaded into the running kernel, alsoreveal their parameters in /sys/module/${modulename}/parameters/. Some of theseparameters may be changed at runtime by the commandecho-n${value}>/sys/module/${modulename}/parameters/${parm}.

advansys=       [HW,SCSI]                See header of drivers/scsi/advansys.c.aha152x=        [HW,SCSI]                See Documentation/scsi/aha152x.rst.aha1542=        [HW,SCSI]                Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]aic7xxx=        [HW,SCSI]                See Documentation/scsi/aic7xxx.rst.aic79xx=        [HW,SCSI]                See Documentation/scsi/aic79xx.rst.atascsi=        [HW,SCSI]                See drivers/scsi/atari_scsi.c.BusLogic=       [HW,SCSI]                See drivers/scsi/BusLogic.c, comment before function                BusLogic_ParseDriverOptions().gdth=           [HW,SCSI]                See header of drivers/scsi/gdth.c.gvp11=          [HW,SCSI]ips=            [HW,SCSI] Adaptec / IBM ServeRAID controller                See header of drivers/scsi/ips.c.mac5380=        [HW,SCSI]                See drivers/scsi/mac_scsi.c.scsi_mod.max_luns=                [SCSI] Maximum number of LUNs to probe.                Should be between 1 and 2^32-1.scsi_mod.max_report_luns=                [SCSI] Maximum number of LUNs received.                Should be between 1 and 16384.NCR_D700=       [HW,SCSI]                See header of drivers/scsi/NCR_D700.c.ncr5380=        [HW,SCSI]                See Documentation/scsi/g_NCR5380.rst.ncr53c400=      [HW,SCSI]                See Documentation/scsi/g_NCR5380.rst.ncr53c400a=     [HW,SCSI]                See Documentation/scsi/g_NCR5380.rst.ncr53c8xx=      [HW,SCSI]osst=           [HW,SCSI] SCSI Tape Driver                Format: <buffer_size>,<write_threshold>                See also Documentation/scsi/st.rst.scsi_debug_*=   [SCSI]                See drivers/scsi/scsi_debug.c.scsi_mod.default_dev_flags=                [SCSI] SCSI default device flags                Format: <integer>scsi_mod.dev_flags=                [SCSI] Black/white list entry for vendor and model                Format: <vendor>:<model>:<flags>                (flags are integer value)scsi_mod.scsi_logging_level=                [SCSI] a bit mask of logging levels                See drivers/scsi/scsi_logging.h for bits.  Also                settable via sysctl at dev.scsi.logging_level                (/proc/sys/dev/scsi/logging_level).                There is also a nice 'scsi_logging_level' script in the                S390-tools package, available for download at                http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.htmlscsi_mod.scan=  [SCSI] sync (default) scans SCSI busses as they are                discovered.  async scans them in kernel threads,                allowing boot to proceed.  none ignores them, expecting                user space to do the scan.sim710=         [SCSI,HW]                See header of drivers/scsi/sim710.c.st=             [HW,SCSI] SCSI tape parameters (buffers, etc.)                See Documentation/scsi/st.rst.wd33c93=        [HW,SCSI]                See header of drivers/scsi/wd33c93.c.