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b9789bfbfe
IBM decided to retire a lot of the content that was previously hosted on "developerworks", and so some of the links we've used for documentation are now dead or redirect to some general landing page with no correlation to what the links were meant to provide. The s390-tools package is meanwhile also hosted on github, so we can link to the script directly instead of to the archive. Link: https://lore.kernel.org/r/9ab0341d6ddca46cfc885e4cd9dc38f535969b02.1593780621.git.bblock@linux.ibm.com Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com> Reviewed-by: Steffen Maier <maier@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
111 lines
3 KiB
ReStructuredText
111 lines
3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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======================
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SCSI Kernel Parameters
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======================
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See Documentation/admin-guide/kernel-parameters.rst for general information on
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specifying module parameters.
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This document may not be entirely up to date and comprehensive. The command
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``modinfo -p ${modulename}`` shows a current list of all parameters of a loadable
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module. Loadable modules, after being loaded into the running kernel, also
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reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
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parameters may be changed at runtime by the command
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``echo -n ${value} > /sys/module/${modulename}/parameters/${parm}``.
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::
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advansys= [HW,SCSI]
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See header of drivers/scsi/advansys.c.
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aha152x= [HW,SCSI]
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See Documentation/scsi/aha152x.rst.
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aha1542= [HW,SCSI]
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Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]
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aic7xxx= [HW,SCSI]
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See Documentation/scsi/aic7xxx.rst.
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aic79xx= [HW,SCSI]
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See Documentation/scsi/aic79xx.rst.
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atascsi= [HW,SCSI]
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See drivers/scsi/atari_scsi.c.
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BusLogic= [HW,SCSI]
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See drivers/scsi/BusLogic.c, comment before function
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BusLogic_ParseDriverOptions().
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gdth= [HW,SCSI]
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See header of drivers/scsi/gdth.c.
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gvp11= [HW,SCSI]
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ips= [HW,SCSI] Adaptec / IBM ServeRAID controller
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See header of drivers/scsi/ips.c.
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mac5380= [HW,SCSI]
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See drivers/scsi/mac_scsi.c.
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scsi_mod.max_luns=
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[SCSI] Maximum number of LUNs to probe.
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Should be between 1 and 2^32-1.
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scsi_mod.max_report_luns=
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[SCSI] Maximum number of LUNs received.
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Should be between 1 and 16384.
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NCR_D700= [HW,SCSI]
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See header of drivers/scsi/NCR_D700.c.
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ncr5380= [HW,SCSI]
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See Documentation/scsi/g_NCR5380.rst.
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ncr53c400= [HW,SCSI]
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See Documentation/scsi/g_NCR5380.rst.
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ncr53c400a= [HW,SCSI]
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See Documentation/scsi/g_NCR5380.rst.
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ncr53c8xx= [HW,SCSI]
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osst= [HW,SCSI] SCSI Tape Driver
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Format: <buffer_size>,<write_threshold>
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See also Documentation/scsi/st.rst.
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scsi_debug_*= [SCSI]
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See drivers/scsi/scsi_debug.c.
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scsi_mod.default_dev_flags=
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[SCSI] SCSI default device flags
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Format: <integer>
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scsi_mod.dev_flags=
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[SCSI] Black/white list entry for vendor and model
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Format: <vendor>:<model>:<flags>
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(flags are integer value)
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scsi_mod.scsi_logging_level=
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[SCSI] a bit mask of logging levels
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See drivers/scsi/scsi_logging.h for bits. Also
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settable via sysctl at dev.scsi.logging_level
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(/proc/sys/dev/scsi/logging_level).
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There is also a nice 'scsi_logging_level' script in the
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S390-tools package, available for download at
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https://github.com/ibm-s390-tools/s390-tools/blob/master/scripts/scsi_logging_level
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scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
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discovered. async scans them in kernel threads,
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allowing boot to proceed. none ignores them, expecting
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user space to do the scan.
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sim710= [SCSI,HW]
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See header of drivers/scsi/sim710.c.
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st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
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See Documentation/scsi/st.rst.
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wd33c93= [HW,SCSI]
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See header of drivers/scsi/wd33c93.c.
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