| Randy Dunlap | 163475f | 2010-08-14 12:36:14 -0700 | [diff] [blame] | 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 |  | 
| Randy Dunlap | 163475f | 2010-08-14 12:36:14 -0700 | [diff] [blame] | 40 | 	fdomain=	[HW,SCSI] | 
 | 41 | 			See header of drivers/scsi/fdomain.c. | 
 | 42 |  | 
 | 43 | 	gdth=		[HW,SCSI] | 
 | 44 | 			See header of drivers/scsi/gdth.c. | 
 | 45 |  | 
 | 46 | 	gvp11=		[HW,SCSI] | 
 | 47 |  | 
| Randy Dunlap | 163475f | 2010-08-14 12:36:14 -0700 | [diff] [blame] | 48 | 	in2000=		[HW,SCSI] | 
 | 49 | 			See header of drivers/scsi/in2000.c. | 
 | 50 |  | 
 | 51 | 	ips=		[HW,SCSI] Adaptec / IBM ServeRAID controller | 
 | 52 | 			See header of drivers/scsi/ips.c. | 
 | 53 |  | 
 | 54 | 	mac5380=	[HW,SCSI] Format: | 
 | 55 | 			<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> | 
 | 56 |  | 
 | 57 | 	max_luns=	[SCSI] Maximum number of LUNs to probe. | 
 | 58 | 			Should be between 1 and 2^32-1. | 
 | 59 |  | 
 | 60 | 	max_report_luns= | 
 | 61 | 			[SCSI] Maximum number of LUNs received. | 
 | 62 | 			Should be between 1 and 16384. | 
 | 63 |  | 
 | 64 | 	NCR_D700=	[HW,SCSI] | 
 | 65 | 			See header of drivers/scsi/NCR_D700.c. | 
 | 66 |  | 
 | 67 | 	ncr5380=	[HW,SCSI] | 
 | 68 |  | 
 | 69 | 	ncr53c400=	[HW,SCSI] | 
 | 70 |  | 
 | 71 | 	ncr53c400a=	[HW,SCSI] | 
 | 72 |  | 
 | 73 | 	ncr53c406a=	[HW,SCSI] | 
 | 74 |  | 
 | 75 | 	ncr53c8xx=	[HW,SCSI] | 
 | 76 |  | 
 | 77 | 	nodisconnect	[HW,SCSI,M68K] Disables SCSI disconnects. | 
 | 78 |  | 
 | 79 | 	osst=		[HW,SCSI] SCSI Tape Driver | 
 | 80 | 			Format: <buffer_size>,<write_threshold> | 
 | 81 | 			See also Documentation/scsi/st.txt. | 
 | 82 |  | 
 | 83 | 	pas16=		[HW,SCSI] | 
 | 84 | 			See header of drivers/scsi/pas16.c. | 
 | 85 |  | 
 | 86 | 	scsi_debug_*=	[SCSI] | 
 | 87 | 			See drivers/scsi/scsi_debug.c. | 
 | 88 |  | 
 | 89 | 	scsi_default_dev_flags= | 
 | 90 | 			[SCSI] SCSI default device flags | 
 | 91 | 			Format: <integer> | 
 | 92 |  | 
 | 93 | 	scsi_dev_flags=	[SCSI] Black/white list entry for vendor and model | 
 | 94 | 			Format: <vendor>:<model>:<flags> | 
 | 95 | 			(flags are integer value) | 
 | 96 |  | 
 | 97 | 	scsi_logging_level=	[SCSI] a bit mask of logging levels | 
 | 98 | 			See drivers/scsi/scsi_logging.h for bits.  Also | 
 | 99 | 			settable via sysctl at dev.scsi.logging_level | 
 | 100 | 			(/proc/sys/dev/scsi/logging_level). | 
 | 101 | 			There is also a nice 'scsi_logging_level' script in the | 
 | 102 | 			S390-tools package, available for download at | 
 | 103 | 			http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html | 
 | 104 |  | 
 | 105 | 	scsi_mod.scan=	[SCSI] sync (default) scans SCSI busses as they are | 
 | 106 | 			discovered.  async scans them in kernel threads, | 
 | 107 | 			allowing boot to proceed.  none ignores them, expecting | 
 | 108 | 			user space to do the scan. | 
 | 109 |  | 
 | 110 | 	sim710=		[SCSI,HW] | 
 | 111 | 			See header of drivers/scsi/sim710.c. | 
 | 112 |  | 
 | 113 | 	st=		[HW,SCSI] SCSI tape parameters (buffers, etc.) | 
 | 114 | 			See Documentation/scsi/st.txt. | 
 | 115 |  | 
 | 116 | 	sym53c416=	[HW,SCSI] | 
 | 117 | 			See header of drivers/scsi/sym53c416.c. | 
 | 118 |  | 
 | 119 | 	t128=		[HW,SCSI] | 
 | 120 | 			See header of drivers/scsi/t128.c. | 
 | 121 |  | 
 | 122 | 	tmscsim=	[HW,SCSI] | 
 | 123 | 			See comment before function dc390_setup() in | 
 | 124 | 			drivers/scsi/tmscsim.c. | 
 | 125 |  | 
 | 126 | 	u14-34f=	[HW,SCSI] UltraStor 14F/34F SCSI host adapter | 
 | 127 | 			See header of drivers/scsi/u14-34f.c. | 
 | 128 |  | 
 | 129 | 	wd33c93=	[HW,SCSI] | 
 | 130 | 			See header of drivers/scsi/wd33c93.c. | 
 | 131 |  | 
 | 132 | 	wd7000=		[HW,SCSI] | 
 | 133 | 			See header of drivers/scsi/wd7000.c. |