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- SCSI Kernel Parameters
- ~~~~~~~~~~~~~~~~~~~~~~
- See Documentation/admin-guide/kernel-parameters.rst for general information on
- specifying module parameters.
- This document may not be entirely up to date and comprehensive. The command
- "modinfo -p ${modulename}" shows a current list of all parameters of a loadable
- module. Loadable modules, after being loaded into the running kernel, also
- reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
- parameters may be changed at runtime by the command
- "echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".
- advansys= [HW,SCSI]
- See header of drivers/scsi/advansys.c.
- aha152x= [HW,SCSI]
- See Documentation/scsi/aha152x.txt.
- aha1542= [HW,SCSI]
- Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]
- aic7xxx= [HW,SCSI]
- See Documentation/scsi/aic7xxx.txt.
- aic79xx= [HW,SCSI]
- See Documentation/scsi/aic79xx.txt.
- 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.txt.
- ncr53c400= [HW,SCSI]
- See Documentation/scsi/g_NCR5380.txt.
- ncr53c400a= [HW,SCSI]
- See Documentation/scsi/g_NCR5380.txt.
- ncr53c8xx= [HW,SCSI]
- osst= [HW,SCSI] SCSI Tape Driver
- Format: <buffer_size>,<write_threshold>
- See also Documentation/scsi/st.txt.
- 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.html
- scsi_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.
- scsi_mod.use_blk_mq=
- [SCSI] use blk-mq I/O path by default
- See SCSI_MQ_DEFAULT in drivers/scsi/Kconfig.
- Format: <y/n>
- sim710= [SCSI,HW]
- See header of drivers/scsi/sim710.c.
- st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
- See Documentation/scsi/st.txt.
- wd33c93= [HW,SCSI]
- See header of drivers/scsi/wd33c93.c.
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