1 menu "SCSI device support"
5 default y if SCSI=n || SCSI=y
9 tristate "RAID Transport Class"
17 tristate "SCSI device support"
19 select SCSI_DMA if HAS_DMA
21 If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or
22 any other SCSI device under Linux, say Y and make sure that you know
23 the name of your SCSI host adapter (the card inside your computer
24 that "speaks" the SCSI protocol, also called SCSI controller),
25 because you will be asked for it.
27 You also need to say Y here if you have a device which speaks
28 the SCSI protocol. Examples of this include the parallel port
29 version of the IOMEGA ZIP drive, USB storage devices, Fibre
30 Channel, and FireWire storage.
32 To compile this driver as a module, choose M here and read
33 <file:Documentation/scsi/scsi.txt>.
34 The module will be called scsi_mod.
36 However, do not compile this as a module if your root file system
37 (the one containing the directory /) is located on a SCSI device.
44 tristate "SCSI target support"
45 depends on SCSI && EXPERIMENTAL
47 If you want to use SCSI target mode drivers enable this option.
48 If you choose M, the module will be called scsi_tgt.
56 bool "legacy /proc/scsi/ support"
57 depends on SCSI && PROC_FS
60 This option enables support for the various files in
61 /proc/scsi. In Linux 2.6 this has been superseded by
62 files in sysfs but many legacy applications rely on this.
66 comment "SCSI support type (disk, tape, CD-ROM)"
70 tristate "SCSI disk support"
72 select CRC_T10DIF if BLK_DEV_INTEGRITY
74 If you want to use SCSI hard disks, Fibre Channel disks,
75 Serial ATA (SATA) or Parallel ATA (PATA) hard disks,
76 USB storage or the SCSI or parallel port version of
77 the IOMEGA ZIP drive, say Y and read the SCSI-HOWTO,
78 the Disk-HOWTO and the Multi-Disk-HOWTO, available from
79 <http://www.tldp.org/docs.html#howto>. This is NOT for SCSI
82 To compile this driver as a module, choose M here and read
83 <file:Documentation/scsi/scsi.txt>.
84 The module will be called sd_mod.
86 Do not compile this driver as a module if your root file system
87 (the one containing the directory /) is located on a SCSI disk.
88 In this case, do not compile the driver for your SCSI host adapter
89 (below) as a module either.
92 tristate "SCSI tape support"
95 If you want to use a SCSI tape drive under Linux, say Y and read the
96 SCSI-HOWTO, available from
97 <http://www.tldp.org/docs.html#howto>, and
98 <file:Documentation/scsi/st.txt> in the kernel source. This is NOT
101 To compile this driver as a module, choose M here and read
102 <file:Documentation/scsi/scsi.txt>. The module will be called st.
105 tristate "SCSI OnStream SC-x0 tape support"
108 The OnStream SC-x0 SCSI tape drives cannot be driven by the
109 standard st driver, but instead need this special osst driver and
110 use the /dev/osstX char device nodes (major 206). Via usb-storage,
111 you may be able to drive the USB-x0 and DI-x0 drives as well.
112 Note that there is also a second generation of OnStream
113 tape drives (ADR-x0) that supports the standard SCSI-2 commands for
114 tapes (QIC-157) and can be driven by the standard driver st.
115 For more information, you may have a look at the SCSI-HOWTO
116 <http://www.tldp.org/docs.html#howto> and
117 <file:Documentation/scsi/osst.txt> in the kernel source.
118 More info on the OnStream driver may be found on
119 <http://sourceforge.net/projects/osst/>
120 Please also have a look at the standard st docu, as most of it
121 applies to osst as well.
123 To compile this driver as a module, choose M here and read
124 <file:Documentation/scsi/scsi.txt>. The module will be called osst.
127 tristate "SCSI CDROM support"
130 If you want to use a CD or DVD drive attached to your computer
131 by SCSI, FireWire, USB or ATAPI, say Y and read the SCSI-HOWTO
132 and the CDROM-HOWTO at <http://www.tldp.org/docs.html#howto>.
134 Make sure to say Y or M to "ISO 9660 CD-ROM file system support".
136 To compile this driver as a module, choose M here and read
137 <file:Documentation/scsi/scsi.txt>.
138 The module will be called sr_mod.
140 config BLK_DEV_SR_VENDOR
141 bool "Enable vendor-specific extensions (for SCSI CDROM)"
142 depends on BLK_DEV_SR
144 This enables the usage of vendor specific SCSI commands. This is
145 required to support multisession CDs with old NEC/TOSHIBA cdrom
146 drives (and HP Writers). If you have such a drive and get the first
147 session only, try saying Y here; everybody else says N.
150 tristate "SCSI generic support"
153 If you want to use SCSI scanners, synthesizers or CD-writers or just
154 about anything having "SCSI" in its name other than hard disks,
155 CD-ROMs or tapes, say Y here. These won't be supported by the kernel
156 directly, so you need some additional software which knows how to
157 talk to these devices using the SCSI protocol:
159 For scanners, look at SANE (<http://www.sane-project.org/>). For CD
160 writer software look at Cdrtools
161 (<http://cdrecord.berlios.de/private/cdrecord.html>)
162 and for burning a "disk at once": CDRDAO
163 (<http://cdrdao.sourceforge.net/>). Cdparanoia is a high
164 quality digital reader of audio CDs (<http://www.xiph.org/paranoia/>).
165 For other devices, it's possible that you'll have to write the
166 driver software yourself. Please read the file
167 <file:Documentation/scsi/scsi-generic.txt> for more information.
169 To compile this driver as a module, choose M here and read
170 <file:Documentation/scsi/scsi.txt>. The module will be called sg.
175 tristate "SCSI media changer support"
178 This is a driver for SCSI media changers. Most common devices are
179 tape libraries and MOD/CDROM jukeboxes. *Real* jukeboxes, you
180 don't need this for those tiny 6-slot cdrom changers. Media
181 changers are listed as "Type: Medium Changer" in /proc/scsi/scsi.
182 If you have such hardware and want to use it with linux, say Y
183 here. Check <file:Documentation/scsi/scsi-changer.txt> for details.
185 If you want to compile this as a module ( = code which can be
186 inserted in and removed from the running kernel whenever you want),
187 say M here and read <file:Documentation/kbuild/modules.txt> and
188 <file:Documentation/scsi/scsi.txt>. The module will be called ch.o.
191 config SCSI_ENCLOSURE
192 tristate "SCSI Enclosure Support"
193 depends on SCSI && ENCLOSURE_SERVICES
195 Enclosures are devices sitting on or in SCSI backplanes that
196 manage devices. If you have a disk cage, the chances are that
197 it has an enclosure device. Selecting this option will just allow
198 certain enclosure conditions to be reported and is not required.
200 config SCSI_MULTI_LUN
201 bool "Probe all LUNs on each SCSI device"
204 Some devices support more than one LUN (Logical Unit Number) in order
205 to allow access to several media, e.g. CD jukebox, USB card reader,
206 mobile phone in mass storage mode. This option forces the kernel to
207 probe for all LUNs by default. This setting can be overriden by
208 max_luns boot/module parameter. Note that this option does not affect
209 devices conforming to SCSI-3 or higher as they can explicitely report
210 their number of LUNs. It is safe to say Y here unless you have one of
211 those rare devices which reacts in an unexpected way when probed for
214 config SCSI_CONSTANTS
215 bool "Verbose SCSI error reporting (kernel size +=12K)"
218 The error messages regarding your SCSI hardware will be easier to
219 understand if you say Y here; it will enlarge your kernel by about
220 12 KB. If in doubt, say Y.
223 bool "SCSI logging facility"
226 This turns on a logging facility that can be used to debug a number
227 of SCSI related problems.
229 If you say Y here, no logging output will appear by default, but you
230 can enable logging by saying Y to "/proc file system support" and
231 "Sysctl support" below and executing the command
233 echo <bitmask> > /proc/sys/dev/scsi/logging_level
235 where <bitmask> is a four byte value representing the logging type
236 and logging level for each type of logging selected.
238 There are a number of logging types and you can find them in the
239 source at <file:drivers/scsi/scsi_logging.h>. The logging levels
240 are also described in that file and they determine the verbosity of
241 the logging for each logging type.
243 If you say N here, it may be harder to track down some types of SCSI
244 problems. If you say Y here your kernel will be somewhat larger, but
245 there should be no noticeable performance impact as long as you have
248 config SCSI_SCAN_ASYNC
249 bool "Asynchronous SCSI scanning"
252 The SCSI subsystem can probe for devices while the rest of the
253 system continues booting, and even probe devices on different
254 busses in parallel, leading to a significant speed-up.
256 If you have built SCSI as modules, enabling this option can
257 be a problem as the devices may not have been found by the
258 time your system expects them to have been. You can load the
259 scsi_wait_scan module to ensure that all scans have completed.
260 If you build your SCSI drivers into the kernel, then everything
261 will work fine if you say Y here.
263 You can override this choice by specifying "scsi_mod.scan=sync"
264 or async on the kernel's command line.
266 config SCSI_WAIT_SCAN
267 tristate # No prompt here, this is an invisible symbol.
271 # scsi_wait_scan is a loadable module which waits until all the async scans are
272 # complete. The idea is to use it in initrd/ initramfs scripts. You modprobe
273 # it after all the modprobes of the root SCSI drivers and it will wait until
274 # they have all finished scanning their buses before allowing the boot to
275 # proceed. (This method is not applicable if targets boot independently in
276 # parallel with the initiator, or with transports with non-deterministic target
277 # discovery schemes, or if a transport driver does not support scsi_wait_scan.)
279 # This symbol is not exposed as a prompt because little is to be gained by
280 # disabling it, whereas people who accidentally switch it off may wonder why
281 # their mkinitrd gets into trouble.
283 menu "SCSI Transports"
286 config SCSI_SPI_ATTRS
287 tristate "Parallel SCSI (SPI) Transport Attributes"
290 If you wish to export transport-specific information about
291 each attached SCSI device to sysfs, say Y. Otherwise, say N.
294 tristate "FiberChannel Transport Attributes"
298 If you wish to export transport-specific information about
299 each attached FiberChannel device to sysfs, say Y.
302 config SCSI_FC_TGT_ATTRS
303 bool "SCSI target support for FiberChannel Transport Attributes"
304 depends on SCSI_FC_ATTRS
305 depends on SCSI_TGT = y || SCSI_TGT = SCSI_FC_ATTRS
307 If you want to use SCSI target mode drivers enable this option.
309 config SCSI_ISCSI_ATTRS
310 tristate "iSCSI Transport Attributes"
311 depends on SCSI && NET
312 select BLK_DEV_BSGLIB
314 If you wish to export transport-specific information about
315 each attached iSCSI device to sysfs, say Y.
318 config SCSI_SAS_ATTRS
319 tristate "SAS Transport Attributes"
323 If you wish to export transport-specific information about
324 each attached SAS device to sysfs, say Y.
326 source "drivers/scsi/libsas/Kconfig"
328 config SCSI_SRP_ATTRS
329 tristate "SRP Transport Attributes"
332 If you wish to export transport-specific information about
333 each attached SRP device to sysfs, say Y.
335 config SCSI_SRP_TGT_ATTRS
336 bool "SCSI target support for SRP Transport Attributes"
337 depends on SCSI_SRP_ATTRS
338 depends on SCSI_TGT = y || SCSI_TGT = SCSI_SRP_ATTRS
340 If you want to use SCSI target mode drivers enable this option.
344 menuconfig SCSI_LOWLEVEL
345 bool "SCSI low-level drivers"
349 if SCSI_LOWLEVEL && SCSI
352 tristate "iSCSI Initiator over TCP/IP"
353 depends on SCSI && INET
357 select SCSI_ISCSI_ATTRS
359 The iSCSI Driver provides a host with the ability to access storage
360 through an IP network. The driver uses the iSCSI protocol to transport
361 SCSI requests and responses over a TCP/IP network between the host
362 (the "initiator") and "targets". Architecturally, the iSCSI driver
363 combines with the host's TCP/IP stack, network drivers, and Network
364 Interface Card (NIC) to provide the same functions as a SCSI or a
365 Fibre Channel (FC) adapter driver with a Host Bus Adapter (HBA).
367 To compile this driver as a module, choose M here: the
368 module will be called iscsi_tcp.
370 The userspace component needed to initialize the driver, documentation,
371 and sample configuration files can be found here:
373 http://open-iscsi.org
375 config ISCSI_BOOT_SYSFS
376 tristate "iSCSI Boot Sysfs Interface"
379 This option enables support for exposing iSCSI boot information
380 via sysfs to userspace. If you wish to export this information,
381 say Y. Otherwise, say N.
383 source "drivers/scsi/cxgbi/Kconfig"
384 source "drivers/scsi/bnx2i/Kconfig"
385 source "drivers/scsi/bnx2fc/Kconfig"
386 source "drivers/scsi/be2iscsi/Kconfig"
389 tristate "SGI WD93C93 SCSI Driver"
390 depends on SGI_HAS_WD93 && SCSI
392 If you have a Western Digital WD93 SCSI controller on
393 an SGI MIPS system, say Y. Otherwise, say N.
395 config BLK_DEV_3W_XXXX_RAID
396 tristate "3ware 5/6/7/8xxx ATA-RAID support"
397 depends on PCI && SCSI
399 3ware is the only hardware ATA-Raid product in Linux to date.
400 This card is 2,4, or 8 channel master mode support only.
401 SCSI support required!!!
403 <http://www.3ware.com/>
405 Please read the comments at the top of
406 <file:drivers/scsi/3w-xxxx.c>.
409 tristate "HP Smart Array SCSI driver"
410 depends on PCI && SCSI
412 This driver supports HP Smart Array Controllers (circa 2009).
413 It is a SCSI alternative to the cciss driver, which is a block
414 driver. Anyone wishing to use HP Smart Array controllers who
415 would prefer the devices be presented to linux as SCSI devices,
416 rather than as generic block devices should say Y here.
419 tristate "3ware 9xxx SATA-RAID support"
420 depends on PCI && SCSI
422 This driver supports the 9000 series 3ware SATA-RAID cards.
424 <http://www.amcc.com>
426 Please read the comments at the top of
427 <file:drivers/scsi/3w-9xxx.c>.
430 tristate "3ware 97xx SAS/SATA-RAID support"
431 depends on PCI && SCSI
433 This driver supports the LSI 3ware 9750 6Gb/s SAS/SATA-RAID cards.
437 Please read the comments at the top of
438 <file:drivers/scsi/3w-sas.c>.
440 config SCSI_7000FASST
441 tristate "7000FASST SCSI support"
442 depends on ISA && SCSI && ISA_DMA_API
443 select CHECK_SIGNATURE
445 This driver supports the Western Digital 7000 SCSI host adapter
446 family. Some information is in the source:
447 <file:drivers/scsi/wd7000.c>.
449 To compile this driver as a module, choose M here: the
450 module will be called wd7000.
453 tristate "ACARD SCSI support"
454 depends on PCI && SCSI
456 This driver supports the ACARD SCSI host adapter.
457 Support Chip <ATP870 ATP876 ATP880 ATP885>
458 To compile this driver as a module, choose M here: the
459 module will be called atp870u.
462 tristate "Adaptec AHA152X/2825 support"
463 depends on ISA && SCSI && !64BIT
464 select SCSI_SPI_ATTRS
465 select CHECK_SIGNATURE
467 This is a driver for the AHA-1510, AHA-1520, AHA-1522, and AHA-2825
468 SCSI host adapters. It also works for the AVA-1505, but the IRQ etc.
469 must be manually specified in this case.
471 It is explained in section 3.3 of the SCSI-HOWTO, available from
472 <http://www.tldp.org/docs.html#howto>. You might also want to
473 read the file <file:Documentation/scsi/aha152x.txt>.
475 To compile this driver as a module, choose M here: the
476 module will be called aha152x.
479 tristate "Adaptec AHA1542 support"
480 depends on ISA && SCSI && ISA_DMA_API
482 This is support for a SCSI host adapter. It is explained in section
483 3.4 of the SCSI-HOWTO, available from
484 <http://www.tldp.org/docs.html#howto>. Note that Trantor was
485 purchased by Adaptec, and some former Trantor products are being
486 sold under the Adaptec name. If it doesn't work out of the box, you
487 may have to change some settings in <file:drivers/scsi/aha1542.h>.
489 To compile this driver as a module, choose M here: the
490 module will be called aha1542.
493 tristate "Adaptec AHA1740 support"
494 depends on EISA && SCSI
496 This is support for a SCSI host adapter. It is explained in section
497 3.5 of the SCSI-HOWTO, available from
498 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
499 of the box, you may have to change some settings in
500 <file:drivers/scsi/aha1740.h>.
502 To compile this driver as a module, choose M here: the
503 module will be called aha1740.
506 tristate "Adaptec AACRAID support"
507 depends on SCSI && PCI
509 This driver supports a variety of Dell, HP, Adaptec, IBM and
510 ICP storage products. For a list of supported products, refer
511 to <file:Documentation/scsi/aacraid.txt>.
513 To compile this driver as a module, choose M here: the module
514 will be called aacraid.
517 source "drivers/scsi/aic7xxx/Kconfig.aic7xxx"
519 config SCSI_AIC7XXX_OLD
520 tristate "Adaptec AIC7xxx support (old driver)"
521 depends on (ISA || EISA || PCI ) && SCSI
523 WARNING This driver is an older aic7xxx driver and is no longer
524 under active development. Adaptec, Inc. is writing a new driver to
525 take the place of this one, and it is recommended that whenever
526 possible, people should use the new Adaptec written driver instead
527 of this one. This driver will eventually be phased out entirely.
529 This is support for the various aic7xxx based Adaptec SCSI
530 controllers. These include the 274x EISA cards; 284x VLB cards;
531 2902, 2910, 293x, 294x, 394x, 3985 and several other PCI and
532 motherboard based SCSI controllers from Adaptec. It does not support
533 the AAA-13x RAID controllers from Adaptec, nor will it likely ever
534 support them. It does not support the 2920 cards from Adaptec that
535 use the Future Domain SCSI controller chip. For those cards, you
536 need the "Future Domain 16xx SCSI support" driver.
538 In general, if the controller is based on an Adaptec SCSI controller
539 chip from the aic777x series or the aic78xx series, this driver
540 should work. The only exception is the 7810 which is specifically
541 not supported (that's the RAID controller chip on the AAA-13x
544 Note that the AHA2920 SCSI host adapter is *not* supported by this
545 driver; choose "Future Domain 16xx SCSI support" instead if you have
548 Information on the configuration options for this controller can be
549 found by checking the help file for each of the available
550 configuration options. You should read
551 <file:Documentation/scsi/aic7xxx_old.txt> at a minimum before
552 contacting the maintainer with any questions. The SCSI-HOWTO,
553 available from <http://www.tldp.org/docs.html#howto>, can also
556 To compile this driver as a module, choose M here: the
557 module will be called aic7xxx_old.
559 source "drivers/scsi/aic7xxx/Kconfig.aic79xx"
560 source "drivers/scsi/aic94xx/Kconfig"
561 source "drivers/scsi/mvsas/Kconfig"
564 tristate "Marvell UMI driver"
565 depends on SCSI && PCI
567 Module for Marvell Universal Message Interface(UMI) driver
569 To compile this driver as a module, choose M here: the
570 module will be called mvumi.
573 tristate "Adaptec I2O RAID support "
574 depends on SCSI && PCI && VIRT_TO_BUS
576 This driver supports all of Adaptec's I2O based RAID controllers as
577 well as the DPT SmartRaid V cards. This is an Adaptec maintained
578 driver by Deanna Bonds. See <file:Documentation/scsi/dpti.txt>.
580 To compile this driver as a module, choose M here: the
581 module will be called dpt_i2o.
584 tristate "AdvanSys SCSI support"
585 depends on SCSI && VIRT_TO_BUS
586 depends on ISA || EISA || PCI
588 This is a driver for all SCSI host adapters manufactured by
589 AdvanSys. It is documented in the kernel source in
590 <file:drivers/scsi/advansys.c>.
592 To compile this driver as a module, choose M here: the
593 module will be called advansys.
596 tristate "Always IN2000 SCSI support"
597 depends on ISA && SCSI
599 This is support for an ISA bus SCSI host adapter. You'll find more
600 information in <file:Documentation/scsi/in2000.txt>. If it doesn't work
601 out of the box, you may have to change the jumpers for IRQ or
604 To compile this driver as a module, choose M here: the
605 module will be called in2000.
608 tristate "ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Adapter"
609 depends on PCI && SCSI
611 This driver supports all of ARECA's SATA/SAS RAID controller cards.
612 This is an ARECA-maintained driver by Erich Chen.
614 Areca supports Linux RAID config tools.
615 Please link <http://www.areca.com.tw>
617 To compile this driver as a module, choose M here: the
618 module will be called arcmsr (modprobe arcmsr).
620 source "drivers/scsi/megaraid/Kconfig.megaraid"
621 source "drivers/scsi/mpt2sas/Kconfig"
624 tristate "HighPoint RocketRAID 3xxx/4xxx Controller support"
625 depends on SCSI && PCI
627 This option enables support for HighPoint RocketRAID 3xxx/4xxx
630 To compile this driver as a module, choose M here; the module
631 will be called hptiop. If unsure, say N.
634 tristate "BusLogic SCSI support"
635 depends on (PCI || ISA || MCA) && SCSI && ISA_DMA_API && VIRT_TO_BUS
637 This is support for BusLogic MultiMaster and FlashPoint SCSI Host
638 Adapters. Consult the SCSI-HOWTO, available from
639 <http://www.tldp.org/docs.html#howto>, and the files
640 <file:Documentation/scsi/BusLogic.txt> and
641 <file:Documentation/scsi/FlashPoint.txt> for more information.
642 Note that support for FlashPoint is only available for 32-bit
645 To compile this driver as a module, choose M here: the
646 module will be called BusLogic.
648 config SCSI_FLASHPOINT
649 bool "FlashPoint support"
650 depends on SCSI_BUSLOGIC && PCI && X86_32
652 This option allows you to add FlashPoint support to the
653 BusLogic SCSI driver. The FlashPoint SCCB Manager code is
654 substantial, so users of MultiMaster Host Adapters may not
658 tristate "VMware PVSCSI driver support"
659 depends on PCI && SCSI && X86
661 This driver supports VMware's para virtualized SCSI HBA.
662 To compile this driver as a module, choose M here: the
663 module will be called vmw_pvscsi.
665 config HYPERV_STORAGE
666 tristate "Microsoft Hyper-V virtual storage driver"
667 depends on SCSI && HYPERV
670 Select this option to enable the Hyper-V virtual storage driver.
673 tristate "LibFC module"
677 Fibre Channel library module
680 tristate "LibFCoE module"
683 Library for Fibre Channel over Ethernet module
686 tristate "FCoE module"
690 Fibre Channel over Ethernet module
693 tristate "Cisco FNIC Driver"
694 depends on PCI && X86
697 This is support for the Cisco PCI-Express FCoE HBA.
699 To compile this driver as a module, choose M here and read
700 <file:Documentation/scsi/scsi.txt>.
701 The module will be called fnic.
704 tristate "DMX3191D SCSI support"
705 depends on PCI && SCSI
706 select SCSI_SPI_ATTRS
708 This is support for Domex DMX3191D SCSI Host Adapters.
710 To compile this driver as a module, choose M here: the
711 module will be called dmx3191d.
714 tristate "DTC3180/3280 SCSI support"
715 depends on ISA && SCSI
716 select SCSI_SPI_ATTRS
717 select CHECK_SIGNATURE
719 This is support for DTC 3180/3280 SCSI Host Adapters. Please read
720 the SCSI-HOWTO, available from
721 <http://www.tldp.org/docs.html#howto>, and the file
722 <file:Documentation/scsi/dtc3x80.txt>.
724 To compile this driver as a module, choose M here: the
725 module will be called dtc.
728 tristate "EATA ISA/EISA/PCI (DPT and generic EATA/DMA-compliant boards) support"
729 depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
731 This driver supports all EATA/DMA-compliant SCSI host adapters. DPT
732 ISA and all EISA I/O addresses are probed looking for the "EATA"
733 signature. The addresses of all the PCI SCSI controllers reported
734 by the PCI subsystem are probed as well.
736 You want to read the start of <file:drivers/scsi/eata.c> and the
737 SCSI-HOWTO, available from
738 <http://www.tldp.org/docs.html#howto>.
740 To compile this driver as a module, choose M here: the
741 module will be called eata.
743 config SCSI_EATA_TAGGED_QUEUE
744 bool "enable tagged command queueing"
747 This is a feature of SCSI-2 which improves performance: the host
748 adapter can send several SCSI commands to a device's queue even if
749 previous commands haven't finished yet.
750 This is equivalent to the "eata=tc:y" boot option.
752 config SCSI_EATA_LINKED_COMMANDS
753 bool "enable elevator sorting"
756 This option enables elevator sorting for all probed SCSI disks and
757 CD-ROMs. It definitely reduces the average seek distance when doing
758 random seeks, but this does not necessarily result in a noticeable
759 performance improvement: your mileage may vary...
760 This is equivalent to the "eata=lc:y" boot option.
762 config SCSI_EATA_MAX_TAGS
763 int "maximum number of queued commands"
767 This specifies how many SCSI commands can be maximally queued for
768 each probed SCSI device. You should reduce the default value of 16
769 only if you have disks with buggy or limited tagged command support.
770 Minimum is 2 and maximum is 62. This value is also the window size
771 used by the elevator sorting option above. The effective value used
772 by the driver for each probed SCSI device is reported at boot time.
773 This is equivalent to the "eata=mq:8" boot option.
776 tristate "EATA-PIO (old DPT PM2001, PM2012A) support"
777 depends on (ISA || EISA || PCI) && SCSI && BROKEN
779 This driver supports all EATA-PIO protocol compliant SCSI Host
780 Adapters like the DPT PM2001 and the PM2012A. EATA-DMA compliant
781 host adapters could also use this driver but are discouraged from
782 doing so, since this driver only supports hard disks and lacks
783 numerous features. You might want to have a look at the SCSI-HOWTO,
784 available from <http://www.tldp.org/docs.html#howto>.
786 To compile this driver as a module, choose M here: the
787 module will be called eata_pio.
789 config SCSI_FUTURE_DOMAIN
790 tristate "Future Domain 16xx SCSI/AHA-2920A support"
791 depends on (ISA || PCI) && SCSI
792 select CHECK_SIGNATURE
794 This is support for Future Domain's 16-bit SCSI host adapters
795 (TMC-1660/1680, TMC-1650/1670, TMC-3260, TMC-1610M/MER/MEX) and
796 other adapters based on the Future Domain chipsets (Quantum
797 ISA-200S, ISA-250MG; Adaptec AHA-2920A; and at least one IBM board).
798 It is explained in section 3.7 of the SCSI-HOWTO, available from
799 <http://www.tldp.org/docs.html#howto>.
801 NOTE: Newer Adaptec AHA-2920C boards use the Adaptec AIC-7850 chip
802 and should use the aic7xxx driver ("Adaptec AIC7xxx chipset SCSI
803 controller support"). This Future Domain driver works with the older
804 Adaptec AHA-2920A boards with a Future Domain chip on them.
806 To compile this driver as a module, choose M here: the
807 module will be called fdomain.
810 tristate "Future Domain MCS-600/700 SCSI support"
811 depends on MCA_LEGACY && SCSI
813 This is support for Future Domain MCS 600/700 MCA SCSI adapters.
814 Some PS/2 computers are equipped with IBM Fast SCSI Adapter/A which
815 is identical to the MCS 700 and hence also supported by this driver.
816 This driver also supports the Reply SB16/SCSI card (the SCSI part).
817 It supports multiple adapters in the same system.
819 To compile this driver as a module, choose M here: the
820 module will be called fd_mcs.
823 tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support"
824 depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
826 Formerly called GDT SCSI Disk Array Controller Support.
828 This is a driver for RAID/SCSI Disk Array Controllers (EISA/ISA/PCI)
829 manufactured by Intel Corporation/ICP vortex GmbH. It is documented
830 in the kernel source in <file:drivers/scsi/gdth.c> and
831 <file:drivers/scsi/gdth.h>.
833 To compile this driver as a module, choose M here: the
834 module will be called gdth.
837 tristate "Intel(R) C600 Series Chipset SAS Controller"
838 depends on PCI && SCSI
840 select SCSI_SAS_LIBSAS
842 This driver supports the 6Gb/s SAS capabilities of the storage
843 control unit found in the Intel(R) C600 series chipset.
845 config SCSI_GENERIC_NCR5380
846 tristate "Generic NCR5380/53c400 SCSI PIO support"
847 depends on ISA && SCSI
848 select SCSI_SPI_ATTRS
850 This is a driver for the old NCR 53c80 series of SCSI controllers
851 on boards using PIO. Most boards such as the Trantor T130 fit this
852 category, along with a large number of ISA 8bit controllers shipped
853 for free with SCSI scanners. If you have a PAS16, T128 or DMX3191
854 you should select the specific driver for that card rather than
855 generic 5380 support.
857 It is explained in section 3.8 of the SCSI-HOWTO, available from
858 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
859 of the box, you may have to change some settings in
860 <file:drivers/scsi/g_NCR5380.h>.
862 To compile this driver as a module, choose M here: the
863 module will be called g_NCR5380.
865 config SCSI_GENERIC_NCR5380_MMIO
866 tristate "Generic NCR5380/53c400 SCSI MMIO support"
867 depends on ISA && SCSI
868 select SCSI_SPI_ATTRS
870 This is a driver for the old NCR 53c80 series of SCSI controllers
871 on boards using memory mapped I/O.
872 It is explained in section 3.8 of the SCSI-HOWTO, available from
873 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
874 of the box, you may have to change some settings in
875 <file:drivers/scsi/g_NCR5380.h>.
877 To compile this driver as a module, choose M here: the
878 module will be called g_NCR5380_mmio.
880 config SCSI_GENERIC_NCR53C400
881 bool "Enable NCR53c400 extensions"
882 depends on SCSI_GENERIC_NCR5380
884 This enables certain optimizations for the NCR53c400 SCSI cards.
885 You might as well try it out. Note that this driver will only probe
886 for the Trantor T130B in its default configuration; you might have
887 to pass a command line option to the kernel at boot time if it does
888 not detect your card. See the file
889 <file:Documentation/scsi/g_NCR5380.txt> for details.
892 tristate "IBMMCA SCSI support"
893 depends on MCA && SCSI
895 This is support for the IBM SCSI adapter found in many of the PS/2
896 series computers. These machines have an MCA bus, so you need to
897 answer Y to "MCA support" as well and read
898 <file:Documentation/mca.txt>.
900 If the adapter isn't found during boot (a common problem for models
901 56, 57, 76, and 77) you'll need to use the 'ibmmcascsi=<pun>' kernel
902 option, where <pun> is the id of the SCSI subsystem (usually 7, but
903 if that doesn't work check your reference diskette). Owners of
904 model 95 with a LED-matrix-display can in addition activate some
905 activity info like under OS/2, but more informative, by setting
906 'ibmmcascsi=display' as an additional kernel parameter. Try "man
907 bootparam" or see the documentation of your boot loader about how to
908 pass options to the kernel.
910 To compile this driver as a module, choose M here: the
911 module will be called ibmmca.
913 config IBMMCA_SCSI_ORDER_STANDARD
914 bool "Standard SCSI-order"
915 depends on SCSI_IBMMCA
917 In the PC-world and in most modern SCSI-BIOS-setups, SCSI-hard disks
918 are assigned to the drive letters, starting with the lowest SCSI-id
919 (physical number -- pun) to be drive C:, as seen from DOS and
920 similar operating systems. When looking into papers describing the
921 ANSI-SCSI-standard, this assignment of drives appears to be wrong.
922 The SCSI-standard follows a hardware-hierarchy which says that id 7
923 has the highest priority and id 0 the lowest. Therefore, the host
924 adapters are still today everywhere placed as SCSI-id 7 by default.
925 In the SCSI-standard, the drive letters express the priority of the
926 disk. C: should be the hard disk, or a partition on it, with the
927 highest priority. This must therefore be the disk with the highest
928 SCSI-id (e.g. 6) and not the one with the lowest! IBM-BIOS kept the
929 original definition of the SCSI-standard as also industrial- and
930 process-control-machines, like VME-CPUs running under realtime-OSes
931 (e.g. LynxOS, OS9) do.
933 If you like to run Linux on your MCA-machine with the same
934 assignment of hard disks as seen from e.g. DOS or OS/2 on your
935 machine, which is in addition conformant to the SCSI-standard, you
936 must say Y here. This is also necessary for MCA-Linux users who want
937 to keep downward compatibility to older releases of the
938 IBM-MCA-SCSI-driver (older than driver-release 2.00 and older than
941 If you like to have the lowest SCSI-id assigned as drive C:, as
942 modern SCSI-BIOSes do, which does not conform to the standard, but
943 is widespread and common in the PC-world of today, you must say N
944 here. If unsure, say Y.
946 config IBMMCA_SCSI_DEV_RESET
947 bool "Reset SCSI-devices at boottime"
948 depends on SCSI_IBMMCA
950 By default, SCSI-devices are reset when the machine is powered on.
951 However, some devices exist, like special-control-devices,
952 SCSI-CNC-machines, SCSI-printer or scanners of older type, that do
953 not reset when switched on. If you say Y here, each device connected
954 to your SCSI-bus will be issued a reset-command after it has been
955 probed, while the kernel is booting. This may cause problems with
956 more modern devices, like hard disks, which do not appreciate these
957 reset commands, and can cause your system to hang. So say Y only if
958 you know that one of your older devices needs it; N is the safe
962 tristate "IBM ServeRAID support"
963 depends on PCI && SCSI
965 This is support for the IBM ServeRAID hardware RAID controllers.
966 See <http://www.developer.ibm.com/welcome/netfinity/serveraid.html>
967 and <http://www-947.ibm.com/support/entry/portal/docdisplay?brand=5000008&lndocid=SERV-RAID>
968 for more information. If this driver does not work correctly
969 without modification please contact the author by email at
972 To compile this driver as a module, choose M here: the
973 module will be called ips.
976 tristate "IBM Virtual SCSI support"
977 depends on PPC_PSERIES
978 select SCSI_SRP_ATTRS
980 This is the IBM POWER Virtual SCSI Client
982 To compile this driver as a module, choose M here: the
983 module will be called ibmvscsic.
985 config SCSI_IBMVSCSIS
986 tristate "IBM Virtual SCSI Server support"
987 depends on PPC_PSERIES && SCSI_SRP && SCSI_SRP_TGT_ATTRS
989 This is the SRP target driver for IBM pSeries virtual environments.
991 The userspace component needed to initialize the driver and
992 documentation can be found:
994 http://stgt.berlios.de/
996 To compile this driver as a module, choose M here: the
997 module will be called ibmvstgt.
1000 tristate "IBM Virtual FC support"
1001 depends on PPC_PSERIES && SCSI
1002 select SCSI_FC_ATTRS
1004 This is the IBM POWER Virtual FC Client
1006 To compile this driver as a module, choose M here: the
1007 module will be called ibmvfc.
1009 config SCSI_IBMVFC_TRACE
1010 bool "enable driver internal trace"
1011 depends on SCSI_IBMVFC
1014 If you say Y here, the driver will trace all commands issued
1015 to the adapter. Performance impact is minimal. Trace can be
1016 dumped using /sys/class/scsi_host/hostXX/trace.
1019 tristate "Initio 9100U(W) support"
1020 depends on PCI && SCSI
1022 This is support for the Initio 91XXU(W) SCSI host adapter. Please
1023 read the SCSI-HOWTO, available from
1024 <http://www.tldp.org/docs.html#howto>.
1026 To compile this driver as a module, choose M here: the
1027 module will be called initio.
1030 tristate "Initio INI-A100U2W support"
1031 depends on PCI && SCSI
1033 This is support for the Initio INI-A100U2W SCSI host adapter.
1034 Please read the SCSI-HOWTO, available from
1035 <http://www.tldp.org/docs.html#howto>.
1037 To compile this driver as a module, choose M here: the
1038 module will be called a100u2w.
1041 tristate "IOMEGA parallel port (ppa - older drives)"
1042 depends on SCSI && PARPORT_PC
1044 This driver supports older versions of IOMEGA's parallel port ZIP
1045 drive (a 100 MB removable media device).
1047 Note that you can say N here if you have the SCSI version of the ZIP
1048 drive: it will be supported automatically if you said Y to the
1049 generic "SCSI disk support", above.
1051 If you have the ZIP Plus drive or a more recent parallel port ZIP
1052 drive (if the supplied cable with the drive is labeled "AutoDetect")
1053 then you should say N here and Y to "IOMEGA parallel port (imm -
1054 newer drives)", below.
1056 For more information about this driver and how to use it you should
1057 read the file <file:Documentation/scsi/ppa.txt>. You should also read
1058 the SCSI-HOWTO, which is available from
1059 <http://www.tldp.org/docs.html#howto>. If you use this driver,
1060 you will still be able to use the parallel port for other tasks,
1061 such as a printer; it is safe to compile both drivers into the
1064 To compile this driver as a module, choose M here: the
1065 module will be called ppa.
1068 tristate "IOMEGA parallel port (imm - newer drives)"
1069 depends on SCSI && PARPORT_PC
1071 This driver supports newer versions of IOMEGA's parallel port ZIP
1072 drive (a 100 MB removable media device).
1074 Note that you can say N here if you have the SCSI version of the ZIP
1075 drive: it will be supported automatically if you said Y to the
1076 generic "SCSI disk support", above.
1078 If you have the ZIP Plus drive or a more recent parallel port ZIP
1079 drive (if the supplied cable with the drive is labeled "AutoDetect")
1080 then you should say Y here; if you have an older ZIP drive, say N
1081 here and Y to "IOMEGA Parallel Port (ppa - older drives)", above.
1083 For more information about this driver and how to use it you should
1084 read the file <file:Documentation/scsi/ppa.txt>. You should also read
1085 the SCSI-HOWTO, which is available from
1086 <http://www.tldp.org/docs.html#howto>. If you use this driver,
1087 you will still be able to use the parallel port for other tasks,
1088 such as a printer; it is safe to compile both drivers into the
1091 To compile this driver as a module, choose M here: the
1092 module will be called imm.
1094 config SCSI_IZIP_EPP16
1095 bool "ppa/imm option - Use slow (but safe) EPP-16"
1096 depends on SCSI_PPA || SCSI_IMM
1098 EPP (Enhanced Parallel Port) is a standard for parallel ports which
1099 allows them to act as expansion buses that can handle up to 64
1102 Some parallel port chipsets are slower than their motherboard, and
1103 so we have to control the state of the chipset's FIFO queue every
1104 now and then to avoid data loss. This will be done if you say Y
1107 Generally, saying Y is the safe option and slows things down a bit.
1109 config SCSI_IZIP_SLOW_CTR
1110 bool "ppa/imm option - Assume slow parport control register"
1111 depends on SCSI_PPA || SCSI_IMM
1113 Some parallel ports are known to have excessive delays between
1114 changing the parallel port control register and good data being
1115 available on the parallel port data/status register. This option
1116 forces a small delay (1.0 usec to be exact) after changing the
1117 control register to let things settle out. Enabling this option may
1118 result in a big drop in performance but some very old parallel ports
1119 (found in 386 vintage machines) will not work properly.
1121 Generally, saying N is fine.
1123 config SCSI_NCR53C406A
1124 tristate "NCR53c406a SCSI support"
1125 depends on ISA && SCSI
1127 This is support for the NCR53c406a SCSI host adapter. For user
1128 configurable parameters, check out <file:drivers/scsi/NCR53c406a.c>
1129 in the kernel source. Also read the SCSI-HOWTO, available from
1130 <http://www.tldp.org/docs.html#howto>.
1132 To compile this driver as a module, choose M here: the
1133 module will be called NCR53c406.
1135 config SCSI_NCR_D700
1136 tristate "NCR Dual 700 MCA SCSI support"
1137 depends on MCA && SCSI
1138 select SCSI_SPI_ATTRS
1140 This is a driver for the MicroChannel Dual 700 card produced by
1141 NCR and commonly used in 345x/35xx/4100 class machines. It always
1142 tries to negotiate sync and uses tag command queueing.
1144 Unless you have an NCR manufactured machine, the chances are that
1145 you do not have this SCSI card, so say N.
1148 tristate "HP Lasi SCSI support for 53c700/710"
1149 depends on GSC && SCSI
1150 select SCSI_SPI_ATTRS
1152 This is a driver for the SCSI controller in the Lasi chip found in
1153 many PA-RISC workstations & servers. If you do not know whether you
1154 have a Lasi chip, it is safe to say "Y" here.
1156 config SCSI_SNI_53C710
1157 tristate "SNI RM SCSI support for 53c710"
1158 depends on SNI_RM && SCSI
1159 select SCSI_SPI_ATTRS
1160 select 53C700_LE_ON_BE
1162 This is a driver for the onboard SCSI controller found in older
1163 SNI RM workstations & servers.
1165 config 53C700_LE_ON_BE
1167 depends on SCSI_LASI700
1171 tristate "Promise SuperTrak EX Series support"
1172 depends on PCI && SCSI
1174 This driver supports Promise SuperTrak EX series storage controllers.
1176 Promise provides Linux RAID configuration utility for these
1177 controllers. Please visit <http://www.promise.com> to download.
1179 To compile this driver as a module, choose M here: the
1180 module will be called stex.
1182 config 53C700_BE_BUS
1184 depends on SCSI_A4000T || SCSI_ZORRO7XX || MVME16x_SCSI || BVME6000_SCSI
1187 config SCSI_SYM53C8XX_2
1188 tristate "SYM53C8XX Version 2 SCSI support"
1189 depends on PCI && SCSI
1190 select SCSI_SPI_ATTRS
1192 This driver supports the whole NCR53C8XX/SYM53C8XX family of
1193 PCI-SCSI controllers. It also supports the subset of LSI53C10XX
1194 Ultra-160 controllers that are based on the SYM53C8XX SCRIPTS
1195 language. It does not support LSI53C10XX Ultra-320 PCI-X SCSI
1196 controllers; you need to use the Fusion MPT driver for that.
1198 Please read <file:Documentation/scsi/sym53c8xx_2.txt> for more
1201 config SCSI_SYM53C8XX_DMA_ADDRESSING_MODE
1202 int "DMA addressing mode"
1203 depends on SCSI_SYM53C8XX_2
1206 This option only applies to PCI-SCSI chips that are PCI DAC
1207 capable (875A, 895A, 896, 1010-33, 1010-66, 1000).
1209 When set to 0, the driver will program the chip to only perform
1210 32-bit DMA. When set to 1, the chip will be able to perform DMA
1211 to addresses up to 1TB. When set to 2, the driver supports the
1212 full 64-bit DMA address range, but can only address 16 segments
1213 of 4 GB each. This limits the total addressable range to 64 GB.
1215 Most machines with less than 4GB of memory should use a setting
1216 of 0 for best performance. If your machine has 4GB of memory
1217 or more, you should set this option to 1 (the default).
1219 The still experimental value 2 (64 bit DMA addressing with 16
1220 x 4GB segments limitation) can be used on systems that require
1221 PCI address bits past bit 39 to be set for the addressing of
1222 memory using PCI DAC cycles.
1224 config SCSI_SYM53C8XX_DEFAULT_TAGS
1225 int "Default tagged command queue depth"
1226 depends on SCSI_SYM53C8XX_2
1229 This is the default value of the command queue depth the
1230 driver will announce to the generic SCSI layer for devices
1231 that support tagged command queueing. This value can be changed
1232 from the boot command line. This is a soft limit that cannot
1233 exceed CONFIG_SCSI_SYM53C8XX_MAX_TAGS.
1235 config SCSI_SYM53C8XX_MAX_TAGS
1236 int "Maximum number of queued commands"
1237 depends on SCSI_SYM53C8XX_2
1240 This option allows you to specify the maximum number of commands
1241 that can be queued to any device, when tagged command queuing is
1242 possible. The driver supports up to 256 queued commands per device.
1243 This value is used as a compiled-in hard limit.
1245 config SCSI_SYM53C8XX_MMIO
1246 bool "Use memory mapped IO"
1247 depends on SCSI_SYM53C8XX_2
1250 Memory mapped IO is faster than Port IO. Most people should
1251 answer Y here, but some machines may have problems. If you have
1252 to answer N here, please report the problem to the maintainer.
1255 tristate "IBM Power Linux RAID adapter support"
1256 depends on PCI && SCSI && ATA
1259 This driver supports the IBM Power Linux family RAID adapters.
1260 This includes IBM pSeries 5712, 5703, 5709, and 570A, as well
1261 as IBM iSeries 5702, 5703, 5709, and 570A.
1263 config SCSI_IPR_TRACE
1264 bool "enable driver internal trace"
1268 If you say Y here, the driver will trace all commands issued
1269 to the adapter. Performance impact is minimal. Trace can be
1270 dumped using /sys/bus/class/scsi_host/hostXX/trace.
1272 config SCSI_IPR_DUMP
1273 bool "enable adapter dump support"
1277 If you say Y here, the driver will support adapter crash dump.
1278 If you enable this support, the iprdump daemon can be used
1279 to capture adapter failure analysis information.
1282 tristate "Zalon SCSI support"
1283 depends on GSC && SCSI
1284 select SCSI_SPI_ATTRS
1286 The Zalon is a GSC/HSC bus interface chip that sits between the
1287 PA-RISC processor and the NCR 53c720 SCSI controller on C100,
1288 C110, J200, J210 and some D, K & R-class machines. It's also
1289 used on the add-in Bluefish, Barracuda & Shrike SCSI cards.
1290 Say Y here if you have one of these machines or cards.
1292 config SCSI_NCR_Q720
1293 tristate "NCR Quad 720 MCA SCSI support"
1294 depends on MCA && SCSI
1295 select SCSI_SPI_ATTRS
1297 This is a driver for the MicroChannel Quad 720 card produced by
1298 NCR and commonly used in 345x/35xx/4100 class machines. It always
1299 tries to negotiate sync and uses tag command queueing.
1301 Unless you have an NCR manufactured machine, the chances are that
1302 you do not have this SCSI card, so say N.
1304 config SCSI_NCR53C8XX_DEFAULT_TAGS
1305 int "default tagged command queue depth"
1306 depends on SCSI_ZALON || SCSI_NCR_Q720
1309 "Tagged command queuing" is a feature of SCSI-2 which improves
1310 performance: the host adapter can send several SCSI commands to a
1311 device's queue even if previous commands haven't finished yet.
1312 Because the device is intelligent, it can optimize its operations
1313 (like head positioning) based on its own request queue. Some SCSI
1314 devices don't implement this properly; if you want to disable this
1315 feature, enter 0 or 1 here (it doesn't matter which).
1317 The default value is 8 and should be supported by most hard disks.
1318 This value can be overridden from the boot command line using the
1319 'tags' option as follows (example):
1320 'ncr53c8xx=tags:4/t2t3q16/t0u2q10' will set default queue depth to
1321 4, set queue depth to 16 for target 2 and target 3 on controller 0
1322 and set queue depth to 10 for target 0 / lun 2 on controller 1.
1324 The normal answer therefore is to go with the default 8 and to use
1325 a boot command line option for devices that need to use a different
1326 command queue depth.
1328 There is no safe option other than using good SCSI devices.
1330 config SCSI_NCR53C8XX_MAX_TAGS
1331 int "maximum number of queued commands"
1332 depends on SCSI_ZALON || SCSI_NCR_Q720
1335 This option allows you to specify the maximum number of commands
1336 that can be queued to any device, when tagged command queuing is
1337 possible. The default value is 32. Minimum is 2, maximum is 64.
1338 Modern hard disks are able to support 64 tags and even more, but
1339 do not seem to be faster when more than 32 tags are being used.
1341 So, the normal answer here is to go with the default value 32 unless
1342 you are using very large hard disks with large cache (>= 1 MB) that
1343 are able to take advantage of more than 32 tagged commands.
1345 There is no safe option and the default answer is recommended.
1347 config SCSI_NCR53C8XX_SYNC
1348 int "synchronous transfers frequency in MHz"
1349 depends on SCSI_ZALON || SCSI_NCR_Q720
1352 The SCSI Parallel Interface-2 Standard defines 5 classes of transfer
1353 rates: FAST-5, FAST-10, FAST-20, FAST-40 and FAST-80. The numbers
1354 are respectively the maximum data transfer rates in mega-transfers
1355 per second for each class. For example, a FAST-20 Wide 16 device is
1356 able to transfer data at 20 million 16 bit packets per second for a
1357 total rate of 40 MB/s.
1359 You may specify 0 if you want to only use asynchronous data
1360 transfers. This is the safest and slowest option. Otherwise, specify
1361 a value between 5 and 80, depending on the capability of your SCSI
1362 controller. The higher the number, the faster the data transfer.
1363 Note that 80 should normally be ok since the driver decreases the
1364 value automatically according to the controller's capabilities.
1366 Your answer to this question is ignored for controllers with NVRAM,
1367 since the driver will get this information from the user set-up. It
1368 also can be overridden using a boot setup option, as follows
1369 (example): 'ncr53c8xx=sync:12' will allow the driver to negotiate
1370 for FAST-20 synchronous data transfer (20 mega-transfers per
1373 The normal answer therefore is not to go with the default but to
1374 select the maximum value 80 allowing the driver to use the maximum
1375 value supported by each controller. If this causes problems with
1376 your SCSI devices, you should come back and decrease the value.
1378 There is no safe option other than using good cabling, right
1379 terminations and SCSI conformant devices.
1381 config SCSI_NCR53C8XX_NO_DISCONNECT
1382 bool "not allow targets to disconnect"
1383 depends on (SCSI_ZALON || SCSI_NCR_Q720) && SCSI_NCR53C8XX_DEFAULT_TAGS=0
1385 This option is only provided for safety if you suspect some SCSI
1386 device of yours to not support properly the target-disconnect
1387 feature. In that case, you would say Y here. In general however, to
1388 not allow targets to disconnect is not reasonable if there is more
1389 than 1 device on a SCSI bus. The normal answer therefore is N.
1392 tristate "PAS16 SCSI support"
1393 depends on ISA && SCSI
1394 select SCSI_SPI_ATTRS
1396 This is support for a SCSI host adapter. It is explained in section
1397 3.10 of the SCSI-HOWTO, available from
1398 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
1399 of the box, you may have to change some settings in
1400 <file:drivers/scsi/pas16.h>.
1402 To compile this driver as a module, choose M here: the
1403 module will be called pas16.
1405 config SCSI_QLOGIC_FAS
1406 tristate "Qlogic FAS SCSI support"
1407 depends on ISA && SCSI
1409 This is a driver for the ISA, VLB, and PCMCIA versions of the Qlogic
1410 FastSCSI! cards as well as any other card based on the FASXX chip
1411 (including the Control Concepts SCSI/IDE/SIO/PIO/FDC cards).
1413 This driver does NOT support the PCI versions of these cards. The
1414 PCI versions are supported by the Qlogic ISP driver ("Qlogic ISP
1415 SCSI support"), below.
1417 Information about this driver is contained in
1418 <file:Documentation/scsi/qlogicfas.txt>. You should also read the
1419 SCSI-HOWTO, available from
1420 <http://www.tldp.org/docs.html#howto>.
1422 To compile this driver as a module, choose M here: the
1423 module will be called qlogicfas.
1425 config SCSI_QLOGIC_1280
1426 tristate "Qlogic QLA 1240/1x80/1x160 SCSI support"
1427 depends on PCI && SCSI
1429 Say Y if you have a QLogic ISP1240/1x80/1x160 SCSI host adapter.
1431 To compile this driver as a module, choose M here: the
1432 module will be called qla1280.
1434 config SCSI_QLOGICPTI
1435 tristate "PTI Qlogic, ISP Driver"
1436 depends on SBUS && SCSI
1438 This driver supports SBUS SCSI controllers from PTI or QLogic. These
1439 controllers are known under Solaris as qpti and in the openprom as
1440 PTI,ptisp or QLGC,isp. Note that PCI QLogic SCSI controllers are
1441 driven by a different driver.
1443 To compile this driver as a module, choose M here: the
1444 module will be called qlogicpti.
1446 source "drivers/scsi/qla2xxx/Kconfig"
1447 source "drivers/scsi/qla4xxx/Kconfig"
1450 tristate "Emulex LightPulse Fibre Channel Support"
1451 depends on PCI && SCSI
1452 select SCSI_FC_ATTRS
1454 This lpfc driver supports the Emulex LightPulse
1455 Family of Fibre Channel PCI host adapters.
1457 config SCSI_LPFC_DEBUG_FS
1458 bool "Emulex LightPulse Fibre Channel debugfs Support"
1459 depends on SCSI_LPFC && DEBUG_FS
1461 This makes debugging information from the lpfc driver
1462 available via the debugfs filesystem.
1465 tristate "Simple 53c710 SCSI support (Compaq, NCR machines)"
1466 depends on (EISA || MCA) && SCSI
1467 select SCSI_SPI_ATTRS
1469 This driver is for NCR53c710 based SCSI host adapters.
1471 It currently supports Compaq EISA cards and NCR MCA cards
1473 config SCSI_SYM53C416
1474 tristate "Symbios 53c416 SCSI support"
1475 depends on ISA && SCSI
1477 This is support for the sym53c416 SCSI host adapter, the SCSI
1478 adapter that comes with some HP scanners. This driver requires that
1479 the sym53c416 is configured first using some sort of PnP
1480 configuration program (e.g. isapnp) or by a PnP aware BIOS. If you
1481 are using isapnp then you need to compile this driver as a module
1482 and then load it using insmod after isapnp has run. The parameters
1483 of the configured card(s) should be passed to the driver. The format
1486 insmod sym53c416 sym53c416=<base>,<irq> [sym53c416_1=<base>,<irq>]
1488 To compile this driver as a module, choose M here: the
1489 module will be called sym53c416.
1492 tristate "Tekram DC395(U/UW/F) and DC315(U) SCSI support (EXPERIMENTAL)"
1493 depends on PCI && SCSI && EXPERIMENTAL
1495 This driver supports PCI SCSI host adapters based on the ASIC
1496 TRM-S1040 chip, e.g Tekram DC395(U/UW/F) and DC315(U) variants.
1498 This driver works, but is still in experimental status. So better
1499 have a bootable disk and a backup in case of emergency.
1501 Documentation can be found in <file:Documentation/scsi/dc395x.txt>.
1503 To compile this driver as a module, choose M here: the
1504 module will be called dc395x.
1507 tristate "Tekram DC390(T) and Am53/79C974 SCSI support"
1508 depends on PCI && SCSI
1510 This driver supports PCI SCSI host adapters based on the Am53C974A
1511 chip, e.g. Tekram DC390(T), DawiControl 2974 and some onboard
1512 PCscsi/PCnet (Am53/79C974) solutions.
1514 Documentation can be found in <file:Documentation/scsi/tmscsim.txt>.
1516 Note that this driver does NOT support Tekram DC390W/U/F, which are
1517 based on NCR/Symbios chips. Use "NCR53C8XX SCSI support" for those.
1519 To compile this driver as a module, choose M here: the
1520 module will be called tmscsim.
1523 tristate "Trantor T128/T128F/T228 SCSI support"
1524 depends on ISA && SCSI
1525 select SCSI_SPI_ATTRS
1526 select CHECK_SIGNATURE
1528 This is support for a SCSI host adapter. It is explained in section
1529 3.11 of the SCSI-HOWTO, available from
1530 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
1531 of the box, you may have to change some settings in
1532 <file:drivers/scsi/t128.h>. Note that Trantor was purchased by
1533 Adaptec, and some former Trantor products are being sold under the
1536 To compile this driver as a module, choose M here: the
1537 module will be called t128.
1540 tristate "UltraStor 14F/34F support"
1541 depends on ISA && SCSI && ISA_DMA_API
1543 This is support for the UltraStor 14F and 34F SCSI-2 host adapters.
1544 The source at <file:drivers/scsi/u14-34f.c> contains some
1545 information about this hardware. If the driver doesn't work out of
1546 the box, you may have to change some settings in
1547 <file: drivers/scsi/u14-34f.c>. Read the SCSI-HOWTO, available from
1548 <http://www.tldp.org/docs.html#howto>. Note that there is also
1549 another driver for the same hardware: "UltraStor SCSI support",
1550 below. You should say Y to both only if you want 24F support as
1553 To compile this driver as a module, choose M here: the
1554 module will be called u14-34f.
1556 config SCSI_U14_34F_TAGGED_QUEUE
1557 bool "enable tagged command queueing"
1558 depends on SCSI_U14_34F
1560 This is a feature of SCSI-2 which improves performance: the host
1561 adapter can send several SCSI commands to a device's queue even if
1562 previous commands haven't finished yet.
1563 This is equivalent to the "u14-34f=tc:y" boot option.
1565 config SCSI_U14_34F_LINKED_COMMANDS
1566 bool "enable elevator sorting"
1567 depends on SCSI_U14_34F
1569 This option enables elevator sorting for all probed SCSI disks and
1570 CD-ROMs. It definitely reduces the average seek distance when doing
1571 random seeks, but this does not necessarily result in a noticeable
1572 performance improvement: your mileage may vary...
1573 This is equivalent to the "u14-34f=lc:y" boot option.
1575 config SCSI_U14_34F_MAX_TAGS
1576 int "maximum number of queued commands"
1577 depends on SCSI_U14_34F
1580 This specifies how many SCSI commands can be maximally queued for
1581 each probed SCSI device. You should reduce the default value of 8
1582 only if you have disks with buggy or limited tagged command support.
1583 Minimum is 2 and maximum is 14. This value is also the window size
1584 used by the elevator sorting option above. The effective value used
1585 by the driver for each probed SCSI device is reported at boot time.
1586 This is equivalent to the "u14-34f=mq:8" boot option.
1588 config SCSI_ULTRASTOR
1589 tristate "UltraStor SCSI support"
1590 depends on X86 && ISA && SCSI
1592 This is support for the UltraStor 14F, 24F and 34F SCSI-2 host
1593 adapter family. This driver is explained in section 3.12 of the
1594 SCSI-HOWTO, available from
1595 <http://www.tldp.org/docs.html#howto>. If it doesn't work out
1596 of the box, you may have to change some settings in
1597 <file:drivers/scsi/ultrastor.h>.
1599 Note that there is also another driver for the same hardware:
1600 "UltraStor 14F/34F support", above.
1602 To compile this driver as a module, choose M here: the
1603 module will be called ultrastor.
1606 tristate "Workbit NinjaSCSI-32Bi/UDE support"
1607 depends on PCI && SCSI && !64BIT
1609 This is support for the Workbit NinjaSCSI-32Bi/UDE PCI/Cardbus
1610 SCSI host adapter. Please read the SCSI-HOWTO, available from
1611 <http://www.tldp.org/docs.html#howto>.
1613 To compile this driver as a module, choose M here: the
1614 module will be called nsp32.
1617 tristate "SCSI debugging host simulator"
1621 This is a host adapter simulator that can simulate multiple hosts
1622 each with multiple dummy SCSI devices (disks). It defaults to one
1623 host adapter with one dummy SCSI disk. Each dummy disk uses kernel
1624 RAM as storage (i.e. it is a ramdisk). To save space when multiple
1625 dummy disks are simulated, they share the same kernel RAM for
1626 their storage. See <http://sg.danny.cz/sg/sdebug26.html> for more
1627 information. This driver is primarily of use to those testing the
1628 SCSI and block subsystems. If unsure, say N.
1631 tristate "MESH (Power Mac internal SCSI) support"
1632 depends on PPC32 && PPC_PMAC && SCSI
1634 Many Power Macintoshes and clones have a MESH (Macintosh Enhanced
1635 SCSI Hardware) SCSI bus adaptor (the 7200 doesn't, but all of the
1636 other Power Macintoshes do). Say Y to include support for this SCSI
1639 To compile this driver as a module, choose M here: the
1640 module will be called mesh.
1642 config SCSI_MESH_SYNC_RATE
1643 int "maximum synchronous transfer rate (MB/s) (0 = async)"
1644 depends on SCSI_MESH
1647 On Power Macintoshes (and clones) where the MESH SCSI bus adaptor
1648 drives a bus which is entirely internal to the machine (such as the
1649 7500, 7600, 8500, etc.), the MESH is capable of synchronous
1650 operation at up to 10 MB/s. On machines where the SCSI bus
1651 controlled by the MESH can have external devices connected, it is
1652 usually rated at 5 MB/s. 5 is a safe value here unless you know the
1653 MESH SCSI bus is internal only; in that case you can say 10. Say 0
1654 to disable synchronous operation.
1656 config SCSI_MESH_RESET_DELAY_MS
1657 int "initial bus reset delay (ms) (0 = no reset)"
1658 depends on SCSI_MESH
1661 config SCSI_MAC53C94
1662 tristate "53C94 (Power Mac external SCSI) support"
1663 depends on PPC32 && PPC_PMAC && SCSI
1665 On Power Macintoshes (and clones) with two SCSI buses, the external
1666 SCSI bus is usually controlled by a 53C94 SCSI bus adaptor. Older
1667 machines which only have one SCSI bus, such as the 7200, also use
1668 the 53C94. Say Y to include support for the 53C94.
1670 To compile this driver as a module, choose M here: the
1671 module will be called mac53c94.
1673 source "drivers/scsi/arm/Kconfig"
1676 bool "MIPS JAZZ FAS216 SCSI support"
1677 depends on MACH_JAZZ && SCSI
1678 select SCSI_SPI_ATTRS
1680 This is the driver for the onboard SCSI host adapter of MIPS Magnum
1681 4000, Acer PICA, Olivetti M700-10 and a few other identical OEM
1685 tristate "A3000 WD33C93A support"
1686 depends on AMIGA && SCSI
1688 If you have an Amiga 3000 and have SCSI devices connected to the
1689 built-in SCSI controller, say Y. Otherwise, say N.
1691 To compile this driver as a module, choose M here: the
1692 module will be called a3000.
1695 tristate "A2091/A590 WD33C93A support"
1696 depends on ZORRO && SCSI
1698 If you have a Commodore A2091 SCSI controller, say Y. Otherwise,
1701 To compile this driver as a module, choose M here: the
1702 module will be called a2091.
1705 tristate "GVP Series II WD33C93A support"
1706 depends on ZORRO && SCSI
1708 If you have a Great Valley Products Series II SCSI controller,
1709 answer Y. Also say Y if you have a later model of GVP SCSI
1710 controller (such as the GVP A4008 or a Combo board). Otherwise,
1711 answer N. This driver does NOT work for the T-Rex series of
1712 accelerators from TekMagic and GVP-M.
1714 To compile this driver as a module, choose M here: the
1715 module will be called gvp11.
1718 tristate "A4000T NCR53c710 SCSI support (EXPERIMENTAL)"
1719 depends on AMIGA && SCSI && EXPERIMENTAL
1720 select SCSI_SPI_ATTRS
1722 If you have an Amiga 4000T and have SCSI devices connected to the
1723 built-in SCSI controller, say Y. Otherwise, say N.
1725 To compile this driver as a module, choose M here: the
1726 module will be called a4000t.
1728 config SCSI_ZORRO7XX
1729 tristate "Zorro NCR53c710 SCSI support (EXPERIMENTAL)"
1730 depends on ZORRO && SCSI && EXPERIMENTAL
1731 select SCSI_SPI_ATTRS
1733 Support for various NCR53c710-based SCSI controllers on Zorro
1734 expansion boards for the Amiga.
1736 - the Amiga 4091 Zorro III SCSI-2 controller,
1737 - the MacroSystem Development's WarpEngine Amiga SCSI-2 controller
1739 <http://www.lysator.liu.se/amiga/ar/guide/ar310.guide?FEATURE5>),
1740 - the SCSI controller on the Phase5 Blizzard PowerUP 603e+
1741 accelerator card for the Amiga 1200,
1742 - the SCSI controller on the GVP Turbo 040/060 accelerator.
1745 tristate "Atari native SCSI support"
1746 depends on ATARI && SCSI
1747 select SCSI_SPI_ATTRS
1750 If you have an Atari with built-in NCR5380 SCSI controller (TT,
1751 Falcon, ...) say Y to get it supported. Of course also, if you have
1752 a compatible SCSI controller (e.g. for Medusa).
1754 To compile this driver as a module, choose M here: the
1755 module will be called atari_scsi.
1757 This driver supports both styles of NCR integration into the
1758 system: the TT style (separate DMA), and the Falcon style (via
1759 ST-DMA, replacing ACSI). It does NOT support other schemes, like
1760 in the Hades (without DMA).
1762 config ATARI_SCSI_TOSHIBA_DELAY
1763 bool "Long delays for Toshiba CD-ROMs"
1764 depends on ATARI_SCSI
1766 This option increases the delay after a SCSI arbitration to
1767 accommodate some flaky Toshiba CD-ROM drives. Say Y if you intend to
1768 use a Toshiba CD-ROM drive; otherwise, the option is not needed and
1769 would impact performance a bit, so say N.
1771 config ATARI_SCSI_RESET_BOOT
1772 bool "Reset SCSI-devices at boottime"
1773 depends on ATARI_SCSI
1775 Reset the devices on your Atari whenever it boots. This makes the
1776 boot process fractionally longer but may assist recovery from errors
1777 that leave the devices with SCSI operations partway completed.
1780 bool "Macintosh NCR5380 SCSI"
1781 depends on MAC && SCSI=y
1782 select SCSI_SPI_ATTRS
1784 This is the NCR 5380 SCSI controller included on most of the 68030
1785 based Macintoshes. If you have one of these say Y and read the
1786 SCSI-HOWTO, available from
1787 <http://www.tldp.org/docs.html#howto>.
1790 tristate "Macintosh NCR53c9[46] SCSI"
1791 depends on MAC && SCSI
1792 select SCSI_SPI_ATTRS
1794 This is the NCR 53c9x SCSI controller found on most of the 68040
1797 To compile this driver as a module, choose M here: the module
1798 will be called mac_esp.
1801 bool "WD33C93 SCSI driver for MVME147"
1802 depends on MVME147 && SCSI=y
1803 select SCSI_SPI_ATTRS
1805 Support for the on-board SCSI controller on the Motorola MVME147
1806 single-board computer.
1809 tristate "NCR53C710 SCSI driver for MVME16x"
1810 depends on MVME16x && SCSI
1811 select SCSI_SPI_ATTRS
1813 The Motorola MVME162, 166, 167, 172 and 177 boards use the NCR53C710
1814 SCSI controller chip. Almost everyone using one of these boards
1815 will want to say Y to this question.
1817 config BVME6000_SCSI
1818 tristate "NCR53C710 SCSI driver for BVME6000"
1819 depends on BVME6000 && SCSI
1820 select SCSI_SPI_ATTRS
1822 The BVME4000 and BVME6000 boards from BVM Ltd use the NCR53C710
1823 SCSI controller chip. Almost everyone using one of these boards
1824 will want to say Y to this question.
1827 tristate "Sun3 NCR5380 SCSI"
1828 depends on SUN3 && SCSI
1829 select SCSI_SPI_ATTRS
1831 This option will enable support for the OBIO (onboard io) NCR5380
1832 SCSI controller found in the Sun 3/50 and 3/60, as well as for
1833 "Sun3" type VME scsi controllers also based on the NCR5380.
1834 General Linux information on the Sun 3 series (now discontinued)
1835 is at <http://www.angelfire.com/ca2/tech68k/sun3.html>.
1838 bool "Sun3x ESP SCSI"
1839 depends on SUN3X && SCSI=y
1840 select SCSI_SPI_ATTRS
1842 The ESP was an on-board SCSI controller used on Sun 3/80
1843 machines. Say Y here to compile in support for it.
1846 tristate "Sparc ESP Scsi Driver"
1847 depends on SBUS && SCSI
1848 select SCSI_SPI_ATTRS
1850 This is the driver for the Sun ESP SCSI host adapter. The ESP
1851 chipset is present in most SPARC SBUS-based computers and
1852 supports the Emulex family of ESP SCSI chips (esp100, esp100A,
1853 esp236, fas101, fas236) as well as the Qlogic fas366 SCSI chip.
1855 To compile this driver as a module, choose M here: the
1856 module will be called sun_esp.
1859 tristate "FCP host bus adapter driver for IBM eServer zSeries"
1860 depends on S390 && QDIO && SCSI
1861 select SCSI_FC_ATTRS
1863 If you want to access SCSI devices attached to your IBM eServer
1864 zSeries by means of Fibre Channel interfaces say Y.
1865 For details please refer to the documentation provided by IBM at
1866 <http://oss.software.ibm.com/developerworks/opensource/linux390>
1868 This driver is also available as a module. This module will be
1869 called zfcp. If you want to compile it as a module, say M here
1870 and read <file:Documentation/kbuild/modules.txt>.
1873 tristate "PMC SIERRA Linux MaxRAID adapter support"
1874 depends on PCI && SCSI && NET
1876 This driver supports the PMC SIERRA MaxRAID adapters.
1879 tristate "PMC-Sierra SPC 8001 SAS/SATA Based Host Adapter driver"
1880 depends on PCI && SCSI
1881 select SCSI_SAS_LIBSAS
1883 This driver supports PMC-Sierra PCIE SAS/SATA 8x6G SPC 8001 chip
1884 based host adapters.
1887 tristate "SCSI RDMA Protocol helper library"
1888 depends on SCSI && PCI
1891 If you wish to use SRP target drivers, say Y.
1893 To compile this driver as a module, choose M here: the
1894 module will be called libsrp.
1897 tristate "Brocade BFA Fibre Channel Support"
1898 depends on PCI && SCSI
1899 select SCSI_FC_ATTRS
1901 This bfa driver supports all Brocade PCIe FC/FCOE host adapters.
1903 To compile this driver as a module, choose M here. The module will
1907 tristate "virtio-scsi support (EXPERIMENTAL)"
1908 depends on EXPERIMENTAL && VIRTIO
1910 This is the virtual HBA driver for virtio. If the kernel will
1911 be used in a virtual machine, say Y or M.
1914 endif # SCSI_LOWLEVEL
1916 source "drivers/scsi/pcmcia/Kconfig"
1918 source "drivers/scsi/device_handler/Kconfig"
1920 source "drivers/scsi/osd/Kconfig"