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| 1 | SCSI Kernel Parameters | ||
| 2 | ~~~~~~~~~~~~~~~~~~~~~~ | ||
| 3 | |||
| 4 | See Documentation/kernel-parameters.txt for general information on | ||
| 5 | specifying module parameters. | ||
| 6 | |||
| 7 | This document may not be entirely up to date and comprehensive. The command | ||
| 8 | "modinfo -p ${modulename}" shows a current list of all parameters of a loadable | ||
| 9 | module. Loadable modules, after being loaded into the running kernel, also | ||
| 10 | reveal their parameters in /sys/module/${modulename}/parameters/. Some of these | ||
| 11 | parameters may be changed at runtime by the command | ||
| 12 | "echo -n ${value} > /sys/module/${modulename}/parameters/${parm}". | ||
| 13 | |||
| 14 | |||
| 15 | advansys= [HW,SCSI] | ||
| 16 | See header of drivers/scsi/advansys.c. | ||
| 17 | |||
| 18 | aha152x= [HW,SCSI] | ||
| 19 | See Documentation/scsi/aha152x.txt. | ||
| 20 | |||
| 21 | aha1542= [HW,SCSI] | ||
| 22 | Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]] | ||
| 23 | |||
| 24 | aic7xxx= [HW,SCSI] | ||
| 25 | See Documentation/scsi/aic7xxx.txt. | ||
| 26 | |||
| 27 | aic79xx= [HW,SCSI] | ||
| 28 | See Documentation/scsi/aic79xx.txt. | ||
| 29 | |||
| 30 | atascsi= [HW,SCSI] Atari SCSI | ||
| 31 | |||
| 32 | BusLogic= [HW,SCSI] | ||
| 33 | See drivers/scsi/BusLogic.c, comment before function | ||
| 34 | BusLogic_ParseDriverOptions(). | ||
| 35 | |||
| 36 | dtc3181e= [HW,SCSI] | ||
| 37 | |||
| 38 | eata= [HW,SCSI] | ||
| 39 | |||
| 40 | fd_mcs= [HW,SCSI] | ||
| 41 | See header of drivers/scsi/fd_mcs.c. | ||
| 42 | |||
| 43 | fdomain= [HW,SCSI] | ||
| 44 | See header of drivers/scsi/fdomain.c. | ||
| 45 | |||
| 46 | gdth= [HW,SCSI] | ||
| 47 | See header of drivers/scsi/gdth.c. | ||
| 48 | |||
| 49 | gvp11= [HW,SCSI] | ||
| 50 | |||
| 51 | ibmmcascsi= [HW,MCA,SCSI] IBM MicroChannel SCSI adapter | ||
| 52 | See Documentation/mca.txt. | ||
| 53 | |||
| 54 | in2000= [HW,SCSI] | ||
| 55 | See header of drivers/scsi/in2000.c. | ||
| 56 | |||
| 57 | ips= [HW,SCSI] Adaptec / IBM ServeRAID controller | ||
| 58 | See header of drivers/scsi/ips.c. | ||
| 59 | |||
| 60 | mac5380= [HW,SCSI] Format: | ||
| 61 | <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> | ||
| 62 | |||
| 63 | max_luns= [SCSI] Maximum number of LUNs to probe. | ||
| 64 | Should be between 1 and 2^32-1. | ||
| 65 | |||
| 66 | max_report_luns= | ||
| 67 | [SCSI] Maximum number of LUNs received. | ||
| 68 | Should be between 1 and 16384. | ||
| 69 | |||
| 70 | NCR_D700= [HW,SCSI] | ||
| 71 | See header of drivers/scsi/NCR_D700.c. | ||
| 72 | |||
| 73 | ncr5380= [HW,SCSI] | ||
| 74 | |||
| 75 | ncr53c400= [HW,SCSI] | ||
| 76 | |||
| 77 | ncr53c400a= [HW,SCSI] | ||
| 78 | |||
| 79 | ncr53c406a= [HW,SCSI] | ||
| 80 | |||
| 81 | ncr53c8xx= [HW,SCSI] | ||
| 82 | |||
| 83 | nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects. | ||
| 84 | |||
| 85 | osst= [HW,SCSI] SCSI Tape Driver | ||
| 86 | Format: <buffer_size>,<write_threshold> | ||
| 87 | See also Documentation/scsi/st.txt. | ||
| 88 | |||
| 89 | pas16= [HW,SCSI] | ||
| 90 | See header of drivers/scsi/pas16.c. | ||
| 91 | |||
| 92 | scsi_debug_*= [SCSI] | ||
| 93 | See drivers/scsi/scsi_debug.c. | ||
| 94 | |||
| 95 | scsi_default_dev_flags= | ||
| 96 | [SCSI] SCSI default device flags | ||
| 97 | Format: <integer> | ||
| 98 | |||
| 99 | scsi_dev_flags= [SCSI] Black/white list entry for vendor and model | ||
| 100 | Format: <vendor>:<model>:<flags> | ||
| 101 | (flags are integer value) | ||
| 102 | |||
| 103 | scsi_logging_level= [SCSI] a bit mask of logging levels | ||
| 104 | See drivers/scsi/scsi_logging.h for bits. Also | ||
| 105 | settable via sysctl at dev.scsi.logging_level | ||
| 106 | (/proc/sys/dev/scsi/logging_level). | ||
| 107 | There is also a nice 'scsi_logging_level' script in the | ||
| 108 | S390-tools package, available for download at | ||
| 109 | http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html | ||
| 110 | |||
| 111 | scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are | ||
| 112 | discovered. async scans them in kernel threads, | ||
| 113 | allowing boot to proceed. none ignores them, expecting | ||
| 114 | user space to do the scan. | ||
| 115 | |||
| 116 | sim710= [SCSI,HW] | ||
| 117 | See header of drivers/scsi/sim710.c. | ||
| 118 | |||
| 119 | st= [HW,SCSI] SCSI tape parameters (buffers, etc.) | ||
| 120 | See Documentation/scsi/st.txt. | ||
| 121 | |||
| 122 | sym53c416= [HW,SCSI] | ||
| 123 | See header of drivers/scsi/sym53c416.c. | ||
| 124 | |||
| 125 | t128= [HW,SCSI] | ||
| 126 | See header of drivers/scsi/t128.c. | ||
| 127 | |||
| 128 | tmscsim= [HW,SCSI] | ||
| 129 | See comment before function dc390_setup() in | ||
| 130 | drivers/scsi/tmscsim.c. | ||
| 131 | |||
| 132 | u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter | ||
| 133 | See header of drivers/scsi/u14-34f.c. | ||
| 134 | |||
| 135 | wd33c93= [HW,SCSI] | ||
| 136 | See header of drivers/scsi/wd33c93.c. | ||
| 137 | |||
| 138 | wd7000= [HW,SCSI] | ||
| 139 | See header of drivers/scsi/wd7000.c. | ||
