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Documentation / scsi / scsi-parameters.txt




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Based on kernel version 3.13. Page generated on 2014-01-20 22:04 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		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	
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.
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