Attachment 117814 Details for Bug 159948 – file.diff

[patch] file.diff

file.diff (text/plain), 3.90 KB, created by Ben Kaduk on 2011-08-20 22:10:10 UTC

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Creator: Ben Kaduk

Created: 2011-08-20 22:10:10 UTC

Size: 3.90 KB

patch

obsolete

>--- ata.4.orig	2011-08-20 15:51:14.000000000 -0400
>+++ ata.4	2011-08-20 16:57:55.000000000 -0400
>@@ -74,47 +74,54 @@
> atavia_load="YES"
> .Ed
> .Pp
>-First line is common hardware independent code.
>-Next three lines are generic bus-specific drivers.
>-ataahci is AHCI driver.
>-The rest are vendor-specific PCI drivers.
>-ATA_CAM option should always remain in kernel configuration to make
>-the driver work as CAM(4) subsystem module.
>+The first line is for common hardware independent code, and is a
>+prerequisite for the other modules.
>+The next three lines are generic bus-specific drivers.
>+Of the rest, ataahci is the AHCI driver.
>+The others are vendor-specific PCI drivers.
>+The ATA_CAM option should always remain in the kernel configuration, to make
>+the driver work as a
>+.Xr CAM 4
>+subsystem module.
> .Pp
> The following tunables are settable from the
> .Xr loader 8 :
> .Bl -ohang
> .It Va hw.ata.ata_dma_check_80pin
>-set to 0 to disable the 80pin cable check (default is 1, check the cable) 
>+set to 0 to disable the 80pin cable check (the default is 1, check the cable)
> .It Va hint.atapci.X.msi
>-set to 1 to allow Message Signalled Interrupts (MSI) to be used by
>+set to 1 to allow Message Signalled Interrupts (MSI) to be used by the
> specified PCI ATA controller, if supported.
> .It Va hint.ata.X.devX.mode
>-limits initial ATA mode for specified device on specified channel.
>+limits the initial ATA mode for the specified device on the specified channel.
> .It Va hint.ata.X.mode
>-limits initial ATA mode for every device on specified channel.
>+limits the initial ATA mode for every device on the specified channel.
> .It Va hint.ata.X.pm_level
>-controls SATA interface Power Management for specified channel,
>-allowing to save some power by the cost of additional command latency.
>+controls SATA interface Power Management for the specified channel,
>+allowing some power savings at the cost of additional command latency.
> Possible values:
> .Bl -tag -compact
> .It 0
>-interface Power Management is disabled, default value.
>+Interface Power Management is disabled.
>+This is the default value.
> .It 1
>-device is allowed to initiate PM state change, host is passive.
>+The device is allowed to initiate a PM state change; the host is passive.
> .It 2
>-host initiates PARTIAL PM state transition every time port becomes idle.
>+The host initiates a PARTIAL PM state transition every time a port becomes idle.
> .It 3
>-host initiates SLUMBER PM state transition every time port becomes idle.
>+The host initiates a SLUMBER PM state transition every time a port becomes idle.
> .El
>-Modes 2 and 3 are supported only for AHCI.
>+Modes 2 and 3 are only supported for AHCI.
> .El
> .Sh DESCRIPTION
> The
> .Nm
>-driver provides the CAM(4) subsystem access to ATA (IDE) and SATA ports
>+driver gives the
>+.Xr CAM 4
>+subsystem access to the ATA (IDE) and SATA ports
> of many generic controllers.
>-Depending on controller, each PATA port or each one or two SATA ports are
>+Depending on the controller, each PATA (IDE)
>+port or each one or two SATA ports are
> represented to CAM as a separate bus with one or two targets.
> Most of the bus-management details are handled by the ATA/SATA-specific
> transport of CAM.
>@@ -126,22 +133,21 @@
> .Xr sa 4 ,
> etc.
> .Pp
>-Driver supports ATA and for the most of controllers ATAPI devices.
>+This driver supports ATA, and for the most controllers, ATAPI devices.
> Command queuing and SATA port multipliers are not supported.
>-Device hot-plug and SATA interface power management supported only on
>+Device hot-plug and SATA interface power management is supported only on
> some controllers.
> .Pp
> The
> .Nm
> driver can change the transfer mode when the system is up and running.
>-See
>-.Xr camcontrol 8
>-negotiate subcommand.
>+See the negotiate subcommand of
>+.Xr camcontrol 8 .
> .Pp
> The
> .Nm
> driver sets the maximum transfer mode supported by the hardware as default.
>-However the
>+However, the
> .Nm
> driver sometimes warns:
> .Dq Sy "DMA limited to UDMA33, non-ATA66 cable or device".

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