Date: Tue, 2 Mar 2010 09:23:55 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r204565 - head/share/man/man4 Message-ID: <201003020923.o229Ntmx083691@svn.freebsd.org>
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Author: mav Date: Tue Mar 2 09:23:54 2010 New Revision: 204565 URL: http://svn.freebsd.org/changeset/base/204565 Log: Some style and language improvements. Submitted by: ru Modified: head/share/man/man4/ahci.4 head/share/man/man4/siis.4 Modified: head/share/man/man4/ahci.4 ============================================================================== --- head/share/man/man4/ahci.4 Tue Mar 2 08:39:43 2010 (r204564) +++ head/share/man/man4/ahci.4 Tue Mar 2 09:23:54 2010 (r204565) @@ -48,9 +48,10 @@ module at boot time, place the following ahci_load="YES" .Ed .Pp -The following tunables are settable from the loader: +The following tunables are settable from the +.Xr loader 8 : .Bl -ohang -.It Va hint.ahci.X.msi +.It Va hint.ahci. Ns Ar X Ns Va .msi controls Message Signaled Interrupts (MSI) usage by the specified controller .Bl -tag -compact .It 0 @@ -60,15 +61,15 @@ single MSI vector used, if supported (de .It 2 multiple MSI vectors used, if supported; .El -.It Va hint.ahci.X.ccc +.It Va hint.ahci. Ns Ar X Ns Va .ccc controls Command Completion Coalescing (CCC) usage by the specified controller. Non-zero value enables CCC and defines maximum time (in ms), request can wait for interrupt, if there are some more requests present on controller queue. CCC reduces number of context switches on systems with many parallel requests, but it can decrease disk performance on some workloads due to additional command latency. -.It Va hint.ahcich.X.pm_level -controls SATA interface Power Management for specified channel, +.It Va hint.ahcich. Ns Ar X Ns Va .pm_level +controls SATA interface Power Management for the specified channel, allowing some power to be saved at the cost of additional command latency. Possible values: @@ -92,18 +93,20 @@ Because of artificial entering latency, .Pp 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 +A manual bus reset is needed on device hot-plug. +.It Va hint.ahcich. Ns Ar X Ns Va .sata_rev setting to nonzero value limits maximum SATA revision (speed). Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. .El .Sh DESCRIPTION -This driver provides the CAM subsystem with native access to the +This driver provides the +.Xr CAM 4 +subsystem with native access to the .Tn SATA 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, 16 targets. -Most of the bus-management details are handled by the SATA-specific +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 . @@ -121,7 +124,8 @@ and Message Signaled Interrupts. .Pp AHCI hardware is also supported by ataahci driver from .Xr ata 4 -subsystem. If both drivers are loaded at the same time, this one will be +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 @@ -134,11 +138,11 @@ it supports AHCI part of legacy-PATA + A such as JMicron JMB36x and Marvell 88SX61xx. .Sh SEE ALSO .Xr ada 4 , +.Xr ata 4 , .Xr cd 4 , .Xr da 4 , .Xr sa 4 , -.Xr scsi 4 , -.Xr ata 4 +.Xr scsi 4 .Sh HISTORY The .Nm Modified: head/share/man/man4/siis.4 ============================================================================== --- head/share/man/man4/siis.4 Tue Mar 2 08:39:43 2010 (r204564) +++ head/share/man/man4/siis.4 Tue Mar 2 09:23:54 2010 (r204565) @@ -48,12 +48,13 @@ module at boot time, place the following siis_load="YES" .Ed .Pp -The following tunables are settable from the loader: +The following tunables are settable from the +.Xr loader 8 : .Bl -ohang -.It Va hint.siis.X.msi +.It Va hint.siis. Ns Ar X Ns Va .msi controls Message Signaled Interrupts (MSI) usage by the specified controller. -.It Va hint.siisch.X.pm_level -controls SATA interface Power Management for specified channel, +.It Va hint.siisch. Ns Ar X Ns Va .pm_level +controls SATA interface Power Management for the specified channel, allowing some power to be saved at the cost of additional command latency. Possible values: @@ -65,13 +66,15 @@ device is allowed to initiate PM state c .El 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.siisch.X.sata_rev +A manual bus reset is needed on device hot-plug. +.It Va hint.siisch. Ns Ar X Ns Va .sata_rev setting to nonzero value limits maximum SATA revision (speed). Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps. .El .Sh DESCRIPTION -This driver provides the CAM subsystem native access to the +This driver provides the +.Xr CAM 4 +subsystem with native access to the .Tn SATA ports of controller. Each SATA port is represented to CAM as a separate bus with 16 targets. @@ -90,14 +93,15 @@ Port Multipliers (including FIS-based sw (31 command per port), Native Command Queuing, SATA interface Power Management, device hot-plug and Message Signaled Interrupts. .Pp -Same hardware is also supported by atasiliconimage driver from +Same hardware is also supported by the atasiliconimage driver from .Xr ata 4 -subsystem. If both drivers are loaded at the same time, this one will be +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 -driver supports following controllers: +driver supports the following controllers: .Bl -bullet -compact .It SiI3124 @@ -108,11 +112,11 @@ SiI3531 .El .Sh SEE ALSO .Xr ada 4 , +.Xr ata 4 , .Xr cd 4 , .Xr da 4 , .Xr sa 4 , -.Xr scsi 4 , -.Xr ata 4 +.Xr scsi 4 .Sh HISTORY The .Nm
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