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Kconfig
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Kconfig
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menu "SCSI device support"
config SCSI_MOD
tristate
default y if SCSI=n || SCSI=y
default m if SCSI=m
config RAID_ATTRS
tristate "RAID Transport Class"
default n
depends on BLOCK
depends on SCSI_MOD
---help---
Provides RAID
config SCSI
tristate "SCSI device support"
depends on BLOCK
select SCSI_DMA if HAS_DMA
---help---
If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or
any other SCSI device under Linux, say Y and make sure that you know
the name of your SCSI host adapter (the card inside your computer
that "speaks" the SCSI protocol, also called SCSI controller),
because you will be asked for it.
You also need to say Y here if you have a device which speaks
the SCSI protocol. Examples of this include the parallel port
version of the IOMEGA ZIP drive, USB storage devices, Fibre
Channel, and FireWire storage.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>.
The module will be called scsi_mod.
However, do not compile this as a module if your root file system
(the one containing the directory /) is located on a SCSI device.
config SCSI_DMA
bool
default n
config SCSI_TGT
tristate "SCSI target support"
depends on SCSI && EXPERIMENTAL
---help---
If you want to use SCSI target mode drivers enable this option.
If you choose M, the module will be called scsi_tgt.
config SCSI_NETLINK
bool
default n
select NET
config SCSI_PROC_FS
bool "legacy /proc/scsi/ support"
depends on SCSI && PROC_FS
default y
---help---
This option enables support for the various files in
/proc/scsi. In Linux 2.6 this has been superseded by
files in sysfs but many legacy applications rely on this.
If unsure say Y.
comment "SCSI support type (disk, tape, CD-ROM)"
depends on SCSI
config BLK_DEV_SD
tristate "SCSI disk support"
depends on SCSI
select CRC_T10DIF if BLK_DEV_INTEGRITY
---help---
If you want to use SCSI hard disks, Fibre Channel disks,
Serial ATA (SATA) or Parallel ATA (PATA) hard disks,
USB storage or the SCSI or parallel port version of
the IOMEGA ZIP drive, say Y and read the SCSI-HOWTO,
the Disk-HOWTO and the Multi-Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. This is NOT for SCSI
CD-ROMs.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>.
The module will be called sd_mod.
Do not compile this driver as a module if your root file system
(the one containing the directory /) is located on a SCSI disk.
In this case, do not compile the driver for your SCSI host adapter
(below) as a module either.
config CHR_DEV_ST
tristate "SCSI tape support"
depends on SCSI
---help---
If you want to use a SCSI tape drive under Linux, say Y and read the
SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, and
<file:Documentation/scsi/st.txt> in the kernel source. This is NOT
for SCSI CD-ROMs.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>. The module will be called st.
config CHR_DEV_OSST
tristate "SCSI OnStream SC-x0 tape support"
depends on SCSI
---help---
The OnStream SC-x0 SCSI tape drives cannot be driven by the
standard st driver, but instead need this special osst driver and
use the /dev/osstX char device nodes (major 206). Via usb-storage,
you may be able to drive the USB-x0 and DI-x0 drives as well.
Note that there is also a second generation of OnStream
tape drives (ADR-x0) that supports the standard SCSI-2 commands for
tapes (QIC-157) and can be driven by the standard driver st.
For more information, you may have a look at the SCSI-HOWTO
<http://www.tldp.org/docs.html#howto> and
<file:Documentation/scsi/osst.txt> in the kernel source.
More info on the OnStream driver may be found on
<http://sourceforge.net/projects/osst/>
Please also have a look at the standard st docu, as most of it
applies to osst as well.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>. The module will be called osst.
config BLK_DEV_SR
tristate "SCSI CDROM support"
depends on SCSI
---help---
If you want to use a CD or DVD drive attached to your computer
by SCSI, FireWire, USB or ATAPI, say Y and read the SCSI-HOWTO
and the CDROM-HOWTO at <http://www.tldp.org/docs.html#howto>.
Make sure to say Y or M to "ISO 9660 CD-ROM file system support".
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>.
The module will be called sr_mod.
config BLK_DEV_SR_VENDOR
bool "Enable vendor-specific extensions (for SCSI CDROM)"
depends on BLK_DEV_SR
help
This enables the usage of vendor specific SCSI commands. This is
required to support multisession CDs with old NEC/TOSHIBA cdrom
drives (and HP Writers). If you have such a drive and get the first
session only, try saying Y here; everybody else says N.
config CHR_DEV_SG
tristate "SCSI generic support"
depends on SCSI
---help---
If you want to use SCSI scanners, synthesizers or CD-writers or just
about anything having "SCSI" in its name other than hard disks,
CD-ROMs or tapes, say Y here. These won't be supported by the kernel
directly, so you need some additional software which knows how to
talk to these devices using the SCSI protocol:
For scanners, look at SANE (<http://www.sane-project.org/>). For CD
writer software look at Cdrtools
(<http://cdrecord.berlios.de/private/cdrecord.html>)
and for burning a "disk at once": CDRDAO
(<http://cdrdao.sourceforge.net/>). Cdparanoia is a high
quality digital reader of audio CDs (<http://www.xiph.org/paranoia/>).
For other devices, it's possible that you'll have to write the
driver software yourself. Please read the file
<file:Documentation/scsi/scsi-generic.txt> for more information.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>. The module will be called sg.
If unsure, say N.
config CHR_DEV_SCH
tristate "SCSI media changer support"
depends on SCSI
---help---
This is a driver for SCSI media changers. Most common devices are
tape libraries and MOD/CDROM jukeboxes. *Real* jukeboxes, you
don't need this for those tiny 6-slot cdrom changers. Media
changers are listed as "Type: Medium Changer" in /proc/scsi/scsi.
If you have such hardware and want to use it with linux, say Y
here. Check <file:Documentation/scsi/scsi-changer.txt> for details.
If you want to compile this as a module ( = code which can be
inserted in and removed from the running kernel whenever you want),
say M here and read <file:Documentation/kbuild/modules.txt> and
<file:Documentation/scsi/scsi.txt>. The module will be called ch.o.
If unsure, say N.
config SCSI_ENCLOSURE
tristate "SCSI Enclosure Support"
depends on SCSI && ENCLOSURE_SERVICES
help
Enclosures are devices sitting on or in SCSI backplanes that
manage devices. If you have a disk cage, the chances are that
it has an enclosure device. Selecting this option will just allow
certain enclosure conditions to be reported and is not required.
config SCSI_MULTI_LUN
bool "Probe all LUNs on each SCSI device"
depends on SCSI
help
Some devices support more than one LUN (Logical Unit Number) in order
to allow access to several media, e.g. CD jukebox, USB card reader,
mobile phone in mass storage mode. This option forces the kernel to
probe for all LUNs by default. This setting can be overriden by
max_luns boot/module parameter. Note that this option does not affect
devices conforming to SCSI-3 or higher as they can explicitely report
their number of LUNs. It is safe to say Y here unless you have one of
those rare devices which reacts in an unexpected way when probed for
multiple LUNs.
config SCSI_CONSTANTS
bool "Verbose SCSI error reporting (kernel size +=12K)"
depends on SCSI
help
The error messages regarding your SCSI hardware will be easier to
understand if you say Y here; it will enlarge your kernel by about
12 KB. If in doubt, say Y.
config SCSI_LOGGING
bool "SCSI logging facility"
depends on SCSI
---help---
This turns on a logging facility that can be used to debug a number
of SCSI related problems.
If you say Y here, no logging output will appear by default, but you
can enable logging by saying Y to "/proc file system support" and
"Sysctl support" below and executing the command
echo <bitmask> > /proc/sys/dev/scsi/logging_level
where <bitmask> is a four byte value representing the logging type
and logging level for each type of logging selected.
There are a number of logging types and you can find them in the
source at <file:drivers/scsi/scsi_logging.h>. The logging levels
are also described in that file and they determine the verbosity of
the logging for each logging type.
If you say N here, it may be harder to track down some types of SCSI
problems. If you say Y here your kernel will be somewhat larger, but
there should be no noticeable performance impact as long as you have
logging turned off.
config SCSI_SCAN_ASYNC
bool "Asynchronous SCSI scanning"
depends on SCSI
help
The SCSI subsystem can probe for devices while the rest of the
system continues booting, and even probe devices on different
busses in parallel, leading to a significant speed-up.
If you have built SCSI as modules, enabling this option can
be a problem as the devices may not have been found by the
time your system expects them to have been. You can load the
scsi_wait_scan module to ensure that all scans have completed.
If you build your SCSI drivers into the kernel, then everything
will work fine if you say Y here.
You can override this choice by specifying "scsi_mod.scan=sync"
or async on the kernel's command line.
config SCSI_WAIT_SCAN
tristate # No prompt here, this is an invisible symbol.
default m
depends on SCSI
depends on MODULES
# scsi_wait_scan is a loadable module which waits until all the async scans are
# complete. The idea is to use it in initrd/ initramfs scripts. You modprobe
# it after all the modprobes of the root SCSI drivers and it will wait until
# they have all finished scanning their buses before allowing the boot to
# proceed. (This method is not applicable if targets boot independently in
# parallel with the initiator, or with transports with non-deterministic target
# discovery schemes, or if a transport driver does not support scsi_wait_scan.)
#
# This symbol is not exposed as a prompt because little is to be gained by
# disabling it, whereas people who accidentally switch it off may wonder why
# their mkinitrd gets into trouble.
menu "SCSI Transports"
depends on SCSI
config SCSI_SPI_ATTRS
tristate "Parallel SCSI (SPI) Transport Attributes"
depends on SCSI
help
If you wish to export transport-specific information about
each attached SCSI device to sysfs, say Y. Otherwise, say N.
config SCSI_FC_ATTRS
tristate "FiberChannel Transport Attributes"
depends on SCSI
select SCSI_NETLINK
help
If you wish to export transport-specific information about
each attached FiberChannel device to sysfs, say Y.
Otherwise, say N.
config SCSI_FC_TGT_ATTRS
bool "SCSI target support for FiberChannel Transport Attributes"
depends on SCSI_FC_ATTRS
depends on SCSI_TGT = y || SCSI_TGT = SCSI_FC_ATTRS
help
If you want to use SCSI target mode drivers enable this option.
config SCSI_ISCSI_ATTRS
tristate "iSCSI Transport Attributes"
depends on SCSI && NET
select BLK_DEV_BSGLIB
help
If you wish to export transport-specific information about
each attached iSCSI device to sysfs, say Y.
Otherwise, say N.
config SCSI_SAS_ATTRS
tristate "SAS Transport Attributes"
depends on SCSI
select BLK_DEV_BSG
help
If you wish to export transport-specific information about
each attached SAS device to sysfs, say Y.
source "drivers/scsi/libsas/Kconfig"
config SCSI_SRP_ATTRS
tristate "SRP Transport Attributes"
depends on SCSI
help
If you wish to export transport-specific information about
each attached SRP device to sysfs, say Y.
config SCSI_SRP_TGT_ATTRS
bool "SCSI target support for SRP Transport Attributes"
depends on SCSI_SRP_ATTRS
depends on SCSI_TGT = y || SCSI_TGT = SCSI_SRP_ATTRS
help
If you want to use SCSI target mode drivers enable this option.
endmenu
menuconfig SCSI_LOWLEVEL
bool "SCSI low-level drivers"
depends on SCSI!=n
default y
if SCSI_LOWLEVEL && SCSI
config ISCSI_TCP
tristate "iSCSI Initiator over TCP/IP"
depends on SCSI && INET
select CRYPTO
select CRYPTO_MD5
select CRYPTO_CRC32C
select SCSI_ISCSI_ATTRS
help
The iSCSI Driver provides a host with the ability to access storage
through an IP network. The driver uses the iSCSI protocol to transport
SCSI requests and responses over a TCP/IP network between the host
(the "initiator") and "targets". Architecturally, the iSCSI driver
combines with the host's TCP/IP stack, network drivers, and Network
Interface Card (NIC) to provide the same functions as a SCSI or a
Fibre Channel (FC) adapter driver with a Host Bus Adapter (HBA).
To compile this driver as a module, choose M here: the
module will be called iscsi_tcp.
The userspace component needed to initialize the driver, documentation,
and sample configuration files can be found here:
http://open-iscsi.org
config ISCSI_BOOT_SYSFS
tristate "iSCSI Boot Sysfs Interface"
default n
help
This option enables support for exposing iSCSI boot information
via sysfs to userspace. If you wish to export this information,
say Y. Otherwise, say N.
source "drivers/scsi/cxgbi/Kconfig"
source "drivers/scsi/bnx2i/Kconfig"
source "drivers/scsi/bnx2fc/Kconfig"
source "drivers/scsi/be2iscsi/Kconfig"
config SGIWD93_SCSI
tristate "SGI WD93C93 SCSI Driver"
depends on SGI_HAS_WD93 && SCSI
help
If you have a Western Digital WD93 SCSI controller on
an SGI MIPS system, say Y. Otherwise, say N.
config BLK_DEV_3W_XXXX_RAID
tristate "3ware 5/6/7/8xxx ATA-RAID support"
depends on PCI && SCSI
help
3ware is the only hardware ATA-Raid product in Linux to date.
This card is 2,4, or 8 channel master mode support only.
SCSI support required!!!
<http://www.3ware.com/>
Please read the comments at the top of
<file:drivers/scsi/3w-xxxx.c>.
config SCSI_HPSA
tristate "HP Smart Array SCSI driver"
depends on PCI && SCSI
help
This driver supports HP Smart Array Controllers (circa 2009).
It is a SCSI alternative to the cciss driver, which is a block
driver. Anyone wishing to use HP Smart Array controllers who
would prefer the devices be presented to linux as SCSI devices,
rather than as generic block devices should say Y here.
config SCSI_3W_9XXX
tristate "3ware 9xxx SATA-RAID support"
depends on PCI && SCSI
help
This driver supports the 9000 series 3ware SATA-RAID cards.
<http://www.amcc.com>
Please read the comments at the top of
<file:drivers/scsi/3w-9xxx.c>.
config SCSI_3W_SAS
tristate "3ware 97xx SAS/SATA-RAID support"
depends on PCI && SCSI
help
This driver supports the LSI 3ware 9750 6Gb/s SAS/SATA-RAID cards.
<http://www.lsi.com>
Please read the comments at the top of
<file:drivers/scsi/3w-sas.c>.
config SCSI_7000FASST
tristate "7000FASST SCSI support"
depends on ISA && SCSI && ISA_DMA_API
select CHECK_SIGNATURE
help
This driver supports the Western Digital 7000 SCSI host adapter
family. Some information is in the source:
<file:drivers/scsi/wd7000.c>.
To compile this driver as a module, choose M here: the
module will be called wd7000.
config SCSI_ACARD
tristate "ACARD SCSI support"
depends on PCI && SCSI
help
This driver supports the ACARD SCSI host adapter.
Support Chip <ATP870 ATP876 ATP880 ATP885>
To compile this driver as a module, choose M here: the
module will be called atp870u.
config SCSI_AHA152X
tristate "Adaptec AHA152X/2825 support"
depends on ISA && SCSI && !64BIT
select SCSI_SPI_ATTRS
select CHECK_SIGNATURE
---help---
This is a driver for the AHA-1510, AHA-1520, AHA-1522, and AHA-2825
SCSI host adapters. It also works for the AVA-1505, but the IRQ etc.
must be manually specified in this case.
It is explained in section 3.3 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. You might also want to
read the file <file:Documentation/scsi/aha152x.txt>.
To compile this driver as a module, choose M here: the
module will be called aha152x.
config SCSI_AHA1542
tristate "Adaptec AHA1542 support"
depends on ISA && SCSI && ISA_DMA_API
---help---
This is support for a SCSI host adapter. It is explained in section
3.4 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. Note that Trantor was
purchased by Adaptec, and some former Trantor products are being
sold under the Adaptec name. If it doesn't work out of the box, you
may have to change some settings in <file:drivers/scsi/aha1542.h>.
To compile this driver as a module, choose M here: the
module will be called aha1542.
config SCSI_AHA1740
tristate "Adaptec AHA1740 support"
depends on EISA && SCSI
---help---
This is support for a SCSI host adapter. It is explained in section
3.5 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. If it doesn't work out
of the box, you may have to change some settings in
<file:drivers/scsi/aha1740.h>.
To compile this driver as a module, choose M here: the
module will be called aha1740.
config SCSI_AACRAID
tristate "Adaptec AACRAID support"
depends on SCSI && PCI
help
This driver supports a variety of Dell, HP, Adaptec, IBM and
ICP storage products. For a list of supported products, refer
to <file:Documentation/scsi/aacraid.txt>.
To compile this driver as a module, choose M here: the module
will be called aacraid.
source "drivers/scsi/aic7xxx/Kconfig.aic7xxx"
config SCSI_AIC7XXX_OLD
tristate "Adaptec AIC7xxx support (old driver)"
depends on (ISA || EISA || PCI ) && SCSI
help
WARNING This driver is an older aic7xxx driver and is no longer
under active development. Adaptec, Inc. is writing a new driver to
take the place of this one, and it is recommended that whenever
possible, people should use the new Adaptec written driver instead
of this one. This driver will eventually be phased out entirely.
This is support for the various aic7xxx based Adaptec SCSI
controllers. These include the 274x EISA cards; 284x VLB cards;
2902, 2910, 293x, 294x, 394x, 3985 and several other PCI and
motherboard based SCSI controllers from Adaptec. It does not support
the AAA-13x RAID controllers from Adaptec, nor will it likely ever
support them. It does not support the 2920 cards from Adaptec that
use the Future Domain SCSI controller chip. For those cards, you
need the "Future Domain 16xx SCSI support" driver.
In general, if the controller is based on an Adaptec SCSI controller
chip from the aic777x series or the aic78xx series, this driver
should work. The only exception is the 7810 which is specifically
not supported (that's the RAID controller chip on the AAA-13x
cards).
Note that the AHA2920 SCSI host adapter is *not* supported by this
driver; choose "Future Domain 16xx SCSI support" instead if you have
one of those.
Information on the configuration options for this controller can be
found by checking the help file for each of the available
configuration options. You should read
<file:Documentation/scsi/aic7xxx_old.txt> at a minimum before
contacting the maintainer with any questions. The SCSI-HOWTO,
available from <http://www.tldp.org/docs.html#howto>, can also
be of great help.
To compile this driver as a module, choose M here: the
module will be called aic7xxx_old.
source "drivers/scsi/aic7xxx/Kconfig.aic79xx"
source "drivers/scsi/aic94xx/Kconfig"
source "drivers/scsi/mvsas/Kconfig"
config SCSI_MVUMI
tristate "Marvell UMI driver"
depends on SCSI && PCI
help
Module for Marvell Universal Message Interface(UMI) driver
To compile this driver as a module, choose M here: the
module will be called mvumi.
config SCSI_DPT_I2O
tristate "Adaptec I2O RAID support "
depends on SCSI && PCI && VIRT_TO_BUS
help
This driver supports all of Adaptec's I2O based RAID controllers as
well as the DPT SmartRaid V cards. This is an Adaptec maintained
driver by Deanna Bonds. See <file:Documentation/scsi/dpti.txt>.
To compile this driver as a module, choose M here: the
module will be called dpt_i2o.
config SCSI_ADVANSYS
tristate "AdvanSys SCSI support"
depends on SCSI && VIRT_TO_BUS
depends on ISA || EISA || PCI
help
This is a driver for all SCSI host adapters manufactured by
AdvanSys. It is documented in the kernel source in
<file:drivers/scsi/advansys.c>.
To compile this driver as a module, choose M here: the
module will be called advansys.
config SCSI_IN2000
tristate "Always IN2000 SCSI support"
depends on ISA && SCSI
help
This is support for an ISA bus SCSI host adapter. You'll find more
information in <file:Documentation/scsi/in2000.txt>. If it doesn't work
out of the box, you may have to change the jumpers for IRQ or
address selection.
To compile this driver as a module, choose M here: the
module will be called in2000.
config SCSI_ARCMSR
tristate "ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Adapter"
depends on PCI && SCSI
help
This driver supports all of ARECA's SATA/SAS RAID controller cards.
This is an ARECA-maintained driver by Erich Chen.
If you have any problems, please mail to: <erich@areca.com.tw>.
Areca supports Linux RAID config tools.
Please link <http://www.areca.com.tw>
To compile this driver as a module, choose M here: the
module will be called arcmsr (modprobe arcmsr).
source "drivers/scsi/megaraid/Kconfig.megaraid"
source "drivers/scsi/mpt2sas/Kconfig"
config SCSI_HPTIOP
tristate "HighPoint RocketRAID 3xxx/4xxx Controller support"
depends on SCSI && PCI
help
This option enables support for HighPoint RocketRAID 3xxx/4xxx
controllers.
To compile this driver as a module, choose M here; the module
will be called hptiop. If unsure, say N.
config SCSI_BUSLOGIC
tristate "BusLogic SCSI support"
depends on (PCI || ISA || MCA) && SCSI && ISA_DMA_API && VIRT_TO_BUS
---help---
This is support for BusLogic MultiMaster and FlashPoint SCSI Host
Adapters. Consult the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, and the files
<file:Documentation/scsi/BusLogic.txt> and
<file:Documentation/scsi/FlashPoint.txt> for more information.
Note that support for FlashPoint is only available for 32-bit
x86 configurations.
To compile this driver as a module, choose M here: the
module will be called BusLogic.
config SCSI_FLASHPOINT
bool "FlashPoint support"
depends on SCSI_BUSLOGIC && PCI && X86_32
help
This option allows you to add FlashPoint support to the
BusLogic SCSI driver. The FlashPoint SCCB Manager code is
substantial, so users of MultiMaster Host Adapters may not
wish to include it.
config VMWARE_PVSCSI
tristate "VMware PVSCSI driver support"
depends on PCI && SCSI && X86
help
This driver supports VMware's para virtualized SCSI HBA.
To compile this driver as a module, choose M here: the
module will be called vmw_pvscsi.
config LIBFC
tristate "LibFC module"
select SCSI_FC_ATTRS
select CRC32
---help---
Fibre Channel library module
config LIBFCOE
tristate "LibFCoE module"
select LIBFC
---help---
Library for Fibre Channel over Ethernet module
config FCOE
tristate "FCoE module"
depends on PCI
select LIBFCOE
---help---
Fibre Channel over Ethernet module
config FCOE_FNIC
tristate "Cisco FNIC Driver"
depends on PCI && X86
select LIBFCOE
help
This is support for the Cisco PCI-Express FCoE HBA.
To compile this driver as a module, choose M here and read
<file:Documentation/scsi/scsi.txt>.
The module will be called fnic.
config SCSI_DMX3191D
tristate "DMX3191D SCSI support"
depends on PCI && SCSI
select SCSI_SPI_ATTRS
help
This is support for Domex DMX3191D SCSI Host Adapters.
To compile this driver as a module, choose M here: the
module will be called dmx3191d.
config SCSI_DTC3280
tristate "DTC3180/3280 SCSI support"
depends on ISA && SCSI
select SCSI_SPI_ATTRS
select CHECK_SIGNATURE
help
This is support for DTC 3180/3280 SCSI Host Adapters. Please read
the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, and the file
<file:Documentation/scsi/dtc3x80.txt>.
To compile this driver as a module, choose M here: the
module will be called dtc.
config SCSI_EATA
tristate "EATA ISA/EISA/PCI (DPT and generic EATA/DMA-compliant boards) support"
depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
---help---
This driver supports all EATA/DMA-compliant SCSI host adapters. DPT
ISA and all EISA I/O addresses are probed looking for the "EATA"
signature. The addresses of all the PCI SCSI controllers reported
by the PCI subsystem are probed as well.
You want to read the start of <file:drivers/scsi/eata.c> and the
SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
To compile this driver as a module, choose M here: the
module will be called eata.
config SCSI_EATA_TAGGED_QUEUE
bool "enable tagged command queueing"
depends on SCSI_EATA
help
This is a feature of SCSI-2 which improves performance: the host
adapter can send several SCSI commands to a device's queue even if
previous commands haven't finished yet.
This is equivalent to the "eata=tc:y" boot option.
config SCSI_EATA_LINKED_COMMANDS
bool "enable elevator sorting"
depends on SCSI_EATA
help
This option enables elevator sorting for all probed SCSI disks and
CD-ROMs. It definitely reduces the average seek distance when doing
random seeks, but this does not necessarily result in a noticeable
performance improvement: your mileage may vary...
This is equivalent to the "eata=lc:y" boot option.
config SCSI_EATA_MAX_TAGS
int "maximum number of queued commands"
depends on SCSI_EATA
default "16"
help
This specifies how many SCSI commands can be maximally queued for
each probed SCSI device. You should reduce the default value of 16
only if you have disks with buggy or limited tagged command support.
Minimum is 2 and maximum is 62. This value is also the window size
used by the elevator sorting option above. The effective value used
by the driver for each probed SCSI device is reported at boot time.
This is equivalent to the "eata=mq:8" boot option.
config SCSI_EATA_PIO
tristate "EATA-PIO (old DPT PM2001, PM2012A) support"
depends on (ISA || EISA || PCI) && SCSI && BROKEN
---help---
This driver supports all EATA-PIO protocol compliant SCSI Host
Adapters like the DPT PM2001 and the PM2012A. EATA-DMA compliant
host adapters could also use this driver but are discouraged from
doing so, since this driver only supports hard disks and lacks
numerous features. You might want to have a look at the SCSI-HOWTO,
available from <http://www.tldp.org/docs.html#howto>.
To compile this driver as a module, choose M here: the
module will be called eata_pio.
config SCSI_FUTURE_DOMAIN
tristate "Future Domain 16xx SCSI/AHA-2920A support"
depends on (ISA || PCI) && SCSI
select CHECK_SIGNATURE
---help---
This is support for Future Domain's 16-bit SCSI host adapters
(TMC-1660/1680, TMC-1650/1670, TMC-3260, TMC-1610M/MER/MEX) and
other adapters based on the Future Domain chipsets (Quantum
ISA-200S, ISA-250MG; Adaptec AHA-2920A; and at least one IBM board).
It is explained in section 3.7 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
NOTE: Newer Adaptec AHA-2920C boards use the Adaptec AIC-7850 chip
and should use the aic7xxx driver ("Adaptec AIC7xxx chipset SCSI
controller support"). This Future Domain driver works with the older
Adaptec AHA-2920A boards with a Future Domain chip on them.
To compile this driver as a module, choose M here: the
module will be called fdomain.
config SCSI_FD_MCS
tristate "Future Domain MCS-600/700 SCSI support"
depends on MCA_LEGACY && SCSI
---help---
This is support for Future Domain MCS 600/700 MCA SCSI adapters.
Some PS/2 computers are equipped with IBM Fast SCSI Adapter/A which
is identical to the MCS 700 and hence also supported by this driver.
This driver also supports the Reply SB16/SCSI card (the SCSI part).
It supports multiple adapters in the same system.
To compile this driver as a module, choose M here: the
module will be called fd_mcs.
config SCSI_GDTH
tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support"
depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
---help---
Formerly called GDT SCSI Disk Array Controller Support.
This is a driver for RAID/SCSI Disk Array Controllers (EISA/ISA/PCI)
manufactured by Intel Corporation/ICP vortex GmbH. It is documented
in the kernel source in <file:drivers/scsi/gdth.c> and
<file:drivers/scsi/gdth.h>.
To compile this driver as a module, choose M here: the
module will be called gdth.
config SCSI_ISCI
tristate "Intel(R) C600 Series Chipset SAS Controller"
depends on PCI && SCSI
depends on X86
# (temporary): known alpha quality driver
depends on EXPERIMENTAL
select SCSI_SAS_LIBSAS
select SCSI_SAS_HOST_SMP
---help---
This driver supports the 6Gb/s SAS capabilities of the storage
control unit found in the Intel(R) C600 series chipset.
The experimental tag will be removed after the driver exits alpha
config SCSI_GENERIC_NCR5380
tristate "Generic NCR5380/53c400 SCSI PIO support"
depends on ISA && SCSI
select SCSI_SPI_ATTRS
---help---
This is a driver for the old NCR 53c80 series of SCSI controllers
on boards using PIO. Most boards such as the Trantor T130 fit this
category, along with a large number of ISA 8bit controllers shipped
for free with SCSI scanners. If you have a PAS16, T128 or DMX3191
you should select the specific driver for that card rather than
generic 5380 support.
It is explained in section 3.8 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. If it doesn't work out
of the box, you may have to change some settings in
<file:drivers/scsi/g_NCR5380.h>.
To compile this driver as a module, choose M here: the
module will be called g_NCR5380.
config SCSI_GENERIC_NCR5380_MMIO
tristate "Generic NCR5380/53c400 SCSI MMIO support"
depends on ISA && SCSI
select SCSI_SPI_ATTRS
---help---
This is a driver for the old NCR 53c80 series of SCSI controllers
on boards using memory mapped I/O.
It is explained in section 3.8 of the SCSI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. If it doesn't work out
of the box, you may have to change some settings in
<file:drivers/scsi/g_NCR5380.h>.
To compile this driver as a module, choose M here: the
module will be called g_NCR5380_mmio.
config SCSI_GENERIC_NCR53C400
bool "Enable NCR53c400 extensions"
depends on SCSI_GENERIC_NCR5380
help
This enables certain optimizations for the NCR53c400 SCSI cards.
You might as well try it out. Note that this driver will only probe
for the Trantor T130B in its default configuration; you might have
to pass a command line option to the kernel at boot time if it does
not detect your card. See the file
<file:Documentation/scsi/g_NCR5380.txt> for details.
config SCSI_IBMMCA
tristate "IBMMCA SCSI support"
depends on MCA && SCSI
---help---
This is support for the IBM SCSI adapter found in many of the PS/2
series computers. These machines have an MCA bus, so you need to
answer Y to "MCA support" as well and read
<file:Documentation/mca.txt>.
If the adapter isn't found during boot (a common problem for models
56, 57, 76, and 77) you'll need to use the 'ibmmcascsi=<pun>' kernel
option, where <pun> is the id of the SCSI subsystem (usually 7, but
if that doesn't work check your reference diskette). Owners of
model 95 with a LED-matrix-display can in addition activate some
activity info like under OS/2, but more informative, by setting
'ibmmcascsi=display' as an additional kernel parameter. Try "man
bootparam" or see the documentation of your boot loader about how to
pass options to the kernel.
To compile this driver as a module, choose M here: the
module will be called ibmmca.
config IBMMCA_SCSI_ORDER_STANDARD
bool "Standard SCSI-order"
depends on SCSI_IBMMCA
---help---
In the PC-world and in most modern SCSI-BIOS-setups, SCSI-hard disks
are assigned to the drive letters, starting with the lowest SCSI-id
(physical number -- pun) to be drive C:, as seen from DOS and
similar operating systems. When looking into papers describing the
ANSI-SCSI-standard, this assignment of drives appears to be wrong.
The SCSI-standard follows a hardware-hierarchy which says that id 7
has the highest priority and id 0 the lowest. Therefore, the host
adapters are still today everywhere placed as SCSI-id 7 by default.
In the SCSI-standard, the drive letters express the priority of the
disk. C: should be the hard disk, or a partition on it, with the
highest priority. This must therefore be the disk with the highest
SCSI-id (e.g. 6) and not the one with the lowest! IBM-BIOS kept the
original definition of the SCSI-standard as also industrial- and
process-control-machines, like VME-CPUs running under realtime-OSes
(e.g. LynxOS, OS9) do.
If you like to run Linux on your MCA-machine with the same
assignment of hard disks as seen from e.g. DOS or OS/2 on your
machine, which is in addition conformant to the SCSI-standard, you
must say Y here. This is also necessary for MCA-Linux users who want
to keep downward compatibility to older releases of the
IBM-MCA-SCSI-driver (older than driver-release 2.00 and older than
June 1997).
If you like to have the lowest SCSI-id assigned as drive C:, as
modern SCSI-BIOSes do, which does not conform to the standard, but
is widespread and common in the PC-world of today, you must say N
here. If unsure, say Y.
config IBMMCA_SCSI_DEV_RESET
bool "Reset SCSI-devices at boottime"
depends on SCSI_IBMMCA
---help---
By default, SCSI-devices are reset when the machine is powered on.
However, some devices exist, like special-control-devices,
SCSI-CNC-machines, SCSI-printer or scanners of older type, that do
not reset when switched on. If you say Y here, each device connected
to your SCSI-bus will be issued a reset-command after it has been
probed, while the kernel is booting. This may cause problems with
more modern devices, like hard disks, which do not appreciate these
reset commands, and can cause your system to hang. So say Y only if
you know that one of your older devices needs it; N is the safe
answer.
config SCSI_IPS
tristate "IBM ServeRAID support"
depends on PCI && SCSI
---help---
This is support for the IBM ServeRAID hardware RAID controllers.
See <http://www.developer.ibm.com/welcome/netfinity/serveraid.html>
and <http://www-947.ibm.com/support/entry/portal/docdisplay?brand=5000008&lndocid=SERV-RAID>
for more information. If this driver does not work correctly
without modification please contact the author by email at
<ipslinux@adaptec.com>.
To compile this driver as a module, choose M here: the
module will be called ips.
config SCSI_IBMVSCSI
tristate "IBM Virtual SCSI support"
depends on PPC_PSERIES || PPC_ISERIES
select SCSI_SRP_ATTRS
select VIOPATH if PPC_ISERIES
help
This is the IBM POWER Virtual SCSI Client
To compile this driver as a module, choose M here: the
module will be called ibmvscsic.
config SCSI_IBMVSCSIS
tristate "IBM Virtual SCSI Server support"
depends on PPC_PSERIES && SCSI_SRP && SCSI_SRP_TGT_ATTRS
help
This is the SRP target driver for IBM pSeries virtual environments.
The userspace component needed to initialize the driver and
documentation can be found:
http://stgt.berlios.de/
To compile this driver as a module, choose M here: the
module will be called ibmvstgt.
config SCSI_IBMVFC
tristate "IBM Virtual FC support"
depends on PPC_PSERIES && SCSI