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Documentation / scsi / scsi-parameters.txt




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Based on kernel version 3.4. Page generated on 2012-05-21 22:10 EST.

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.
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