Date: Mon, 29 Jun 2009 06:51:29 GMT From: Alexander Motin <mav@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 165366 for review Message-ID: <200906290651.n5T6pTZc066108@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=165366 Change 165366 by mav@mav_mavbook on 2009/06/29 06:50:33 Fix language. Affected files ... .. //depot/projects/scottl-camlock/src/share/man/man4/ahci.4#2 edit Differences ... ==== //depot/projects/scottl-camlock/src/share/man/man4/ahci.4#2 (text+ko) ==== @@ -51,7 +51,7 @@ The following tunables are settable from the loader: .Bl -ohang .It Va hint.ahci.X.msi -controls Message Signaled Interrupts (MSI) usage by specified controller +controls Message Signaled Interrupts (MSI) usage by the specified controller .Bl -tag -compact .It 0 MSI disabled; @@ -62,7 +62,8 @@ .El .It Va hint.ahcich.X.pm_level controls SATA interface Power Management for specified channel, -allowing to save some power by the cost of additional command latency. +allowing some power to be saved at the cost of additional command +latency. Possible values: .Bl -tag -compact .It 0 @@ -74,7 +75,7 @@ .It 3 host initiates SLUMBER PM state transition every time port becomes idle. .El -Note, that interface Power Management is not compatible with +Note that interface Power Management is not compatible with device presence detection. You will have to reset bus manually on device hot-plug. .It Va hint.ahcich.X.sata_rev @@ -82,15 +83,16 @@ Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. .El .Sh DESCRIPTION -This driver provides CAM subsystem a native access to the +This driver provides the CAM subsystem with native access to the .Tn SATA -ports of AHCI compatible controllers. -Each found SATA port represented to CAM as separate bus with one, -or, if HBA supports Port Multipliers, 15 targets. -Most of bus management specifics handled by SATA-specific transport of CAM. -Connected ATA disks handled by ATA protocol disk peripherial driver +ports of AHCI-compatible controllers. +Each SATA port found is represented to CAM as a separate bus with one +target, or, if HBA supports Port Multipliers, 15 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 .Xr ada 4 . -ATAPI devices handled by SCSI protocol peripherial drivers +ATAPI devices are handled by the SCSI protocol peripheral drivers .Xr cd 4 , .Xr da 4 , .Xr sa 4 , @@ -101,14 +103,14 @@ Native Command Queuing, SATA interface Power Management, device hot-plug and Message Signaled Interrupts. .Pp -Port Multiplier FIS Based Switching feature, added by AHCI 1.2 -specification, required for effective paralel operation devices behind -Port Multiplier, is not yet supported. +The Port Multiplier FIS Based Switching feature added in the AHCI 1.2 +specification, which is required for effective parallel operation of devices +behind Port Multipliers, is not yet supported. .Pp -Same AHCI hardware is also supported by ataahci driver from +AHCI hardware is also supported by ataahci driver from .Xr ata 4 -subsystem. If both drivers are loaded same time, this one will be prefered -as more functional. +subsystem. If both drivers are loaded at the same time, this one will be +given precedence as the more functional of the two. .Sh HARDWARE The .Nm
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