PERFORCE change 177393 for review

[Alexander Motin]

http://p4web.freebsd.org/@@177393?ac=10

Change 177393 by mav at mav_mavtest on 2010/04/27 09:43:11

	Minor updates.

Affected files ...

.. //depot/projects/scottl-camlock/src/share/man/man4/mvs.4#2 edit

Differences ...

==== //depot/projects/scottl-camlock/src/share/man/man4/mvs.4#2 (text+ko) ====

@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD: src/share/man/man4/ahci.4,v 1.6 2010/03/04 11:09:49 mav Exp $
 .\"
-.Dd April 24, 2010
+.Dd April 27, 2010
 .Dt MVS 4
 .Os
 .Sh NAME
@@ -93,7 +93,7 @@
 .Tn SATA
 ports of several generations (Gen-I/II/IIe) of Marvell SATA controllers.
 Each SATA port found is represented to CAM as a separate bus with one
-target, or, if HBA supports Port Multipliers, 16 targets.
+target, or, if HBA supports Port Multipliers (Gen-II/IIe), 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
@@ -106,7 +106,7 @@
 .Pp
 Driver features include support for Serial ATA and ATAPI devices,
 Port Multipliers (including FIS-based switching, when supported),
-hardware command queues (up to 32 commands per port),
+hardware command queues (up to 31 command per port),
 Native Command Queuing, SATA interface Power Management, device hot-plug
 and Message Signaled Interrupts.
 .Pp
@@ -156,6 +156,9 @@
 MV78100 SoC
 .El
 .El
+Note, that this hardware supports command queueing and FIS-based switching
+only for ATA DMA commands. ATAPI and non-DMA ATA commands executed one by one
+for each port.
 .Pp
 .Sh SEE ALSO
 .Xr ada 4 ,