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gerrit-public.fairphone.software / kernel / msm-4.19 / 2c4b389518fbe552188928aadcd3815d5116a05c / . / Documentation / scsi / scsi-parameters.txt
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Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]1 SCSI Kernel Parameters
2 ~~~~~~~~~~~~~~~~~~~~~~
3
Mauro Carvalho Chehab8c27ceff32016-10-18 10:12:27 -0200[diff] [blame]4See Documentation/admin-guide/kernel-parameters.rst for general information on
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]5specifying module parameters.
6
7This document may not be entirely up to date and comprehensive. The command
8"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
9module. Loadable modules, after being loaded into the running kernel, also
10reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
11parameters 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
Finn Thain9c41ab22016-03-23 21:10:28 +1100[diff] [blame]30 atascsi= [HW,SCSI]
31 See drivers/scsi/atari_scsi.c.
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]32
33 BusLogic= [HW,SCSI]
34 See drivers/scsi/BusLogic.c, comment before function
35 BusLogic_ParseDriverOptions().
36
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]37 eata= [HW,SCSI]
38
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]39 fdomain= [HW,SCSI]
40 See header of drivers/scsi/fdomain.c.
41
42 gdth= [HW,SCSI]
43 See header of drivers/scsi/gdth.c.
44
45 gvp11= [HW,SCSI]
46
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]47 ips= [HW,SCSI] Adaptec / IBM ServeRAID controller
48 See header of drivers/scsi/ips.c.
49
Finn Thain9c41ab22016-03-23 21:10:28 +1100[diff] [blame]50 mac5380= [HW,SCSI]
51 See drivers/scsi/mac_scsi.c.
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]52
53 max_luns= [SCSI] Maximum number of LUNs to probe.
54 Should be between 1 and 2^32-1.
55
56 max_report_luns=
57 [SCSI] Maximum number of LUNs received.
58 Should be between 1 and 16384.
59
60 NCR_D700= [HW,SCSI]
61 See header of drivers/scsi/NCR_D700.c.
62
63 ncr5380= [HW,SCSI]
Finn Thain9c41ab22016-03-23 21:10:28 +1100[diff] [blame]64 See Documentation/scsi/g_NCR5380.txt.
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]65
66 ncr53c400= [HW,SCSI]
Finn Thain9c41ab22016-03-23 21:10:28 +1100[diff] [blame]67 See Documentation/scsi/g_NCR5380.txt.
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]68
69 ncr53c400a= [HW,SCSI]
Finn Thain9c41ab22016-03-23 21:10:28 +1100[diff] [blame]70 See Documentation/scsi/g_NCR5380.txt.
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]71
72 ncr53c406a= [HW,SCSI]
73
74 ncr53c8xx= [HW,SCSI]
75
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]76 osst= [HW,SCSI] SCSI Tape Driver
77 Format: <buffer_size>,<write_threshold>
78 See also Documentation/scsi/st.txt.
79
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]80 scsi_debug_*= [SCSI]
81 See drivers/scsi/scsi_debug.c.
82
83 scsi_default_dev_flags=
84 [SCSI] SCSI default device flags
85 Format: <integer>
86
87 scsi_dev_flags= [SCSI] Black/white list entry for vendor and model
88 Format: <vendor>:<model>:<flags>
89 (flags are integer value)
90
91 scsi_logging_level= [SCSI] a bit mask of logging levels
92 See drivers/scsi/scsi_logging.h for bits. Also
93 settable via sysctl at dev.scsi.logging_level
94 (/proc/sys/dev/scsi/logging_level).
95 There is also a nice 'scsi_logging_level' script in the
96 S390-tools package, available for download at
97 http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html
98
99 scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
100 discovered. async scans them in kernel threads,
101 allowing boot to proceed. none ignores them, expecting
102 user space to do the scan.
103
104 sim710= [SCSI,HW]
105 See header of drivers/scsi/sim710.c.
106
107 st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
108 See Documentation/scsi/st.txt.
109
110 sym53c416= [HW,SCSI]
111 See header of drivers/scsi/sym53c416.c.
112
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]113 tmscsim= [HW,SCSI]
114 See comment before function dc390_setup() in
115 drivers/scsi/tmscsim.c.
116
Randy Dunlap163475f2010-08-14 12:36:14 -0700[diff] [blame]117 wd33c93= [HW,SCSI]
118 See header of drivers/scsi/wd33c93.c.