cdc5836726
and more functional drivers ahci(4), siis(4) and mvs(4). This removes about 3400 lines of code, unused since FreeBSD 9.0 release.
136 lines
4.1 KiB
Groff
136 lines
4.1 KiB
Groff
.\" Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 23, 2015
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.Dt SIIS 4
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.Os
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.Sh NAME
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.Nm siis
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.Nd SiliconImage Serial ATA Host Controller driver
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device pci"
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.Cd "device scbus"
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.Cd "device siis"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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siis_load="YES"
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.Ed
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.Pp
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The following tunables are settable from the
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.Xr loader 8 :
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.Bl -ohang
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.It Va hint.siis. Ns Ar X Ns Va .msi
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controls Message Signaled Interrupts (MSI) usage by the specified controller.
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.It Va hint.siisch. Ns Ar X Ns Va .pm_level
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controls SATA interface Power Management for the specified channel,
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allowing some power to be saved at the cost of additional command
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latency.
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Possible values:
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.Bl -tag -width 2n -offset indent
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.It 0
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interface Power Management is disabled (default);
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.It 1
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device is allowed to initiate PM state change, host is passive.
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.El
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.Pp
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Note that interface Power Management is not compatible with
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device presence detection.
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A manual bus reset is needed on device hot-plug.
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.It Va hint.siisch. Ns Ar X Ns Va .sata_rev
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setting to nonzero value limits maximum SATA revision (speed).
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Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps.
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.El
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.Sh DESCRIPTION
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This driver provides the
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.Xr CAM 4
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subsystem with native access to the
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.Tn SATA
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ports of controller.
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Each SATA port is represented to CAM as a separate bus with 16 targets.
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Most of the bus-management details are handled by the SATA-specific
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transport of CAM.
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Connected ATA disks are handled by the ATA protocol disk peripheral driver
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.Xr ada 4 .
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ATAPI devices are handled by the SCSI protocol peripheral drivers
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.Xr cd 4 ,
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.Xr da 4 ,
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.Xr sa 4 ,
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etc.
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.Pp
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Driver features include support for Serial ATA and ATAPI devices,
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Port Multipliers (including FIS-based switching), hardware command queues
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(31 command per port), Native Command Queuing, SATA interface Power Management,
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device hot-plug and Message Signaled Interrupts.
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.Pp
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The activity LEDs of the adapters supported by the
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.Nm
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driver can be controlled via the
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.Xr led 4
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API for localization or status reporting purposes.
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.Sh HARDWARE
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The
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.Nm
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driver supports the following controller chips:
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.Pp
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.Bl -bullet -compact
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.It
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SiI3124 (PCI-X 133MHz/64bit, 4 ports)
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.It
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SiI3131 (PCIe 1.0 x1, 1 port)
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.It
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SiI3132 (PCIe 1.0 x1, 2 ports)
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.It
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SiI3531 (PCIe 1.0 x1, 1 port)
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.El
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.Sh FILES
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.Bl -tag -width /dev/led/siisch*
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.It Pa /dev/led/siisch*
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identification LED device nodes
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.El
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.Sh SEE ALSO
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.Xr ada 4 ,
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.Xr ata 4 ,
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.Xr cam 4 ,
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.Xr cd 4 ,
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.Xr da 4 ,
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.Xr led 4 ,
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.Xr sa 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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.An Alexander Motin Aq Mt mav@FreeBSD.org
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