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SIIS(4)		       FreeBSD Kernel Interfaces Manual		       SIIS(4)

NAME
     siis -- SiliconImage Serial ATA Host Controller driver

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

	   device pci
	   device scbus
	   device siis

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

	   siis_load="YES"

     The following tunables are	settable from the loader:

     hint.siis.X.msi
     controls Message Signaled Interrupts (MSI)	usage by the specified con-
     troller.

     hint.siisch.X.pm_level
     controls SATA interface Power Management for specified channel, allowing
     some power	to be saved at the cost	of additional command latency.	Possi-
     ble values:
     0		   interface Power Management is disabled (default);
     1		   device is allowed to	initiate PM state change, host is pas-
		   sive.
     Note that interface Power Management is not compatible with device	pres-
     ence detection.  You will have to reset bus manually on device hot-plug.

     hint.siisch.X.sata_rev
     setting to	nonzero	value limits maximum SATA revision (speed).  Values 1,
     2 and 3 are respectively 1.5, 3 and 6Gbps.

DESCRIPTION
     This driver provides the CAM subsystem native access to the SATA ports of
     controller.  Each SATA port is represented	to CAM as a separate bus with
     16	targets.  Most of the bus-management details are handled by the	SATA-
     specific transport	of CAM.	 Connected ATA disks are handled by the	ATA
     protocol disk peripheral driver ada(4).  ATAPI devices are	handled	by the
     SCSI protocol peripheral drivers cd(4), da(4), sa(4), etc.

     Driver features include support for Serial	ATA and	ATAPI devices, Port
     Multipliers (including FIS-based switching), hardware command queues (31
     command per port),	Native Command Queuing,	SATA interface Power Manage-
     ment, device hot-plug and Message Signaled	Interrupts.

     Same hardware is also supported by	atasiliconimage	driver from ata(4)
     subsystem.	If both	drivers	are loaded at the same time, this one will be
     given precedence as the more functional of	the two.

HARDWARE
     The siis driver supports following	controllers:
     +o	 SiI3124
     +o	 SiI3132
     +o	 SiI3531

SEE ALSO
     ada(4), cd(4), da(4), sa(4), scsi(4), ata(4)

HISTORY
     The siis driver first appeared in FreeBSD 8.0.

AUTHORS
     Alexander Motin <mav@FreeBSD.org>.

FreeBSD	9.3			 July 18, 2009			   FreeBSD 9.3

NAME | SYNOPSIS | DESCRIPTION | HARDWARE | SEE ALSO | HISTORY | AUTHORS

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