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author | Alexander Motin <mav@FreeBSD.org> | 2010-01-28 18:15:19 +0000 |
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committer | Alexander Motin <mav@FreeBSD.org> | 2010-01-28 18:15:19 +0000 |
commit | 502370266e7f361067cd8aed67167b7fd64a35fe (patch) | |
tree | 58172cc080174fa445c9837af5f793e868ffa737 /share/man/man4/ahci.4 | |
parent | 0e6eb061685c4c50a159c6ef3d57a1cb391d2477 (diff) | |
download | src-502370266e7f361067cd8aed67167b7fd64a35fe.tar.gz src-502370266e7f361067cd8aed67167b7fd64a35fe.zip |
Note added FIS-based switching support.
Notes
Notes:
svn path=/head/; revision=203124
Diffstat (limited to 'share/man/man4/ahci.4')
-rw-r--r-- | share/man/man4/ahci.4 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/share/man/man4/ahci.4 b/share/man/man4/ahci.4 index 46660d3a2739..b3d2e23bdaab 100644 --- a/share/man/man4/ahci.4 +++ b/share/man/man4/ahci.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 24, 2009 +.Dd January 28, 2010 .Dt AHCI 4 .Os .Sh NAME @@ -114,14 +114,11 @@ ATAPI devices are handled by the SCSI protocol peripheral drivers etc. .Pp Driver features include support for Serial ATA and ATAPI devices, -Port Multipliers, hardware command queues (up to 32 commands per port), +Port Multipliers (including FIS-based switching, when supported), +hardware command queues (up to 32 commands per port), Native Command Queuing, SATA interface Power Management, device hot-plug and Message Signaled Interrupts. .Pp -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 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 @@ -131,6 +128,10 @@ The .Nm driver supports AHCI compatible controllers having PCI class 1 (mass storage), subclass 6 (SATA) and programming interface 1 (AHCI). +.Pp +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 SEE ALSO .Xr ada 4 , .Xr cd 4 , |