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menu "I2O device support"
config I2O
tristate "I2O support"
depends on PCI
---help---
The Intelligent Input/Output (I2O) architecture allows hardware
drivers to be split into two parts: an operating system specific
module called the OSM and an hardware specific module called the
HDM. The OSM can talk to a whole range of HDM's, and ideally the
HDM's are not OS dependent. This allows for the same HDM driver to
be used under different operating systems if the relevant OSM is in
place. In order for this to work, you need to have an I2O interface
adapter card in your computer. This card contains a special I/O
processor (IOP), thus allowing high speeds since the CPU does not
have to deal with I/O.
If you say Y here, you will get a choice of interface adapter
drivers and OSM's with the following questions.
To compile this support as a module, choose M here: the
modules will be called i2o_core.
If unsure, say N.
config I2O_EXT_ADAPTEC
bool "Enable Adaptec extensions"
depends on I2O
default y
---help---
Say Y for support of raidutils for Adaptec I2O controllers. You also
have to say Y to "I2O Configuration support", "I2O SCSI OSM" below
and to "SCSI generic support" under "SCSI device configuration".
config I2O_EXT_ADAPTEC_DMA64
bool "Enable 64-bit DMA"
depends on I2O_EXT_ADAPTEC && ( 64BIT || HIGHMEM64G )
default y
---help---
Say Y for support of 64-bit DMA transfer mode on Adaptec I2O
controllers.
Note: You need at least firmware version 3709.
config I2O_CONFIG
tristate "I2O Configuration support"
depends on I2O
---help---
Say Y for support of the configuration interface for the I2O adapters.
If you have a RAID controller from Adaptec and you want to use the
raidutils to manage your RAID array, you have to say Y here.
To compile this support as a module, choose M here: the
module will be called i2o_config.
Note: If you want to use the new API you have to download the
i2o_config patch from http://i2o.shadowconnect.com/
config I2O_CONFIG_OLD_IOCTL
bool "Enable ioctls (OBSOLETE)"
depends on I2O_CONFIG
default y
---help---
Enables old ioctls.
config I2O_BUS
tristate "I2O Bus Adapter OSM"
depends on I2O
---help---
Include support for the I2O Bus Adapter OSM. The Bus Adapter OSM
provides access to the busses on the I2O controller. The main purpose
is to rescan the bus to find new devices.
To compile this support as a module, choose M here: the
module will be called i2o_bus.
config I2O_BLOCK
tristate "I2O Block OSM"
depends on I2O
---help---
Include support for the I2O Block OSM. The Block OSM presents disk
and other structured block devices to the operating system. If you
are using an RAID controller, you could access the array only by
the Block OSM driver. But it is possible to access the single disks
by the SCSI OSM driver, for example to monitor the disks.
To compile this support as a module, choose M here: the
module will be called i2o_block.
config I2O_SCSI
tristate "I2O SCSI OSM"
depends on I2O && SCSI
---help---
Allows direct SCSI access to SCSI devices on a SCSI or FibreChannel
I2O controller. You can use both the SCSI and Block OSM together if
you wish. To access a RAID array, you must use the Block OSM driver.
But you could use the SCSI OSM driver to monitor the single disks.
To compile this support as a module, choose M here: the
module will be called i2o_scsi.
config I2O_PROC
tristate "I2O /proc support"
depends on I2O
---help---
If you say Y here and to "/proc file system support", you will be
able to read I2O related information from the virtual directory
/proc/i2o.
To compile this support as a module, choose M here: the
module will be called i2o_proc.
endmenu
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