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Diffstat (limited to 'share/man/man4/ahci.4')
| -rw-r--r-- | share/man/man4/ahci.4 | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/share/man/man4/ahci.4 b/share/man/man4/ahci.4 index 144d64b..68aea35 100644 --- a/share/man/man4/ahci.4 +++ b/share/man/man4/ahci.4 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 28, 2010 +.Dd May 17, 2011 .Dt AHCI 4 .Os .Sh NAME @@ -121,6 +121,15 @@ hardware command queues (up to 32 commands per port), Native Command Queuing, SATA interface Power Management, device hot-plug and Message Signaled Interrupts. .Pp +Driver supports "LED" enclosure management messages, defined by the AHCI. +When supported by hardware, it allows to control per-port activity, locate +and fault LEDs via the +.Xr led 4 +API for localization and status reporting purposes. +Supporting AHCI controllers may transmit that information to the backplane +controllers via SGPIO interface. Backplane controllers interpret received +statuses in some way (IBPI standard) to report them using present indicators. +.Pp AHCI hardware is also supported by ataahci driver from .Xr ata 4 subsystem. @@ -135,6 +144,15 @@ subclass 6 (SATA) and programming interface 1 (AHCI). Also, in cooperation with atamarvell and atajmicron drivers of ata(4), it supports AHCI part of legacy-PATA + AHCI-SATA combined controllers, such as JMicron JMB36x and Marvell 88SX61xx. +.Sh FILES +.Bl -tag -width /dev/led/ahcich*.locate +.It Pa /dev/led/ahcich*.act +activity LED device nodes +.It Pa /dev/led/ahcich*.fault +fault LED device nodes +.It Pa /dev/led/ahcich*.locate +locate LED device nodes +.El .Sh SEE ALSO .Xr ada 4 , .Xr ata 4 , |
