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Man Pages


Manual Reference Pages  -  ISCI (4)

NAME

isci - Intel C600 Serial Attached SCSI driver

CONTENTS

Synopsis
Hardware
Configuration
Debugging
See Also
History
Authors

SYNOPSIS

To compile this driver into your kernel, place the following lines in your kernel configuration file:


.Cd device scbus
.Cd device isci

Or, to load the driver as a module at boot, place the following line in loader.conf(5):

isci_load="YES"

HARDWARE

The isci driver provides support for Intel C600 SAS controllers.

CONFIGURATION

To force legacy interrupts for all isci driver instances, set the following tunable value in loader.conf(5):
hw.isci.force_legacy_interrupts=1

DEBUGGING

To enable debugging prints from the isci driver, set the
hw.isci.debug_level

variable to a value between 1 and 4 in loader.conf(5).

The hardware layer in the isci driver has extensive logging capabilities which are disabled by default for performance reasons. These can be enabled by adding

options ISCI_LOGGING

to the kernel configuration file.

SEE ALSO

cd(4), ch(4), da(4), pci(4), sa(4), scsi(4)

HISTORY

The isci driver first appeared in
.Fx 8.3 and 9.1.

AUTHORS


.An -nosplit The isci driver was developed by Intel and originally written by
.An Jim Harris Aq jimharris@FreeBSD.org with contributions from Sohaib Ahsan and input from
.An Scott Long Aq scottl@FreeBSD.org .

This man page was written by
.An Jim Harris Aq jimharris@FreeBSD.org .

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