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(parent: 8449399) | patch
Add hw.ahci.force tunable to control whether AHCI drivers should attach
authorAlexander Motin <mav@FreeBSD.org>
Fri, 2 Dec 2011 12:52:33 +0000 (12:52 +0000)
committerAlexander Motin <mav@FreeBSD.org>
Fri, 2 Dec 2011 12:52:33 +0000 (12:52 +0000)
commitc8973d9e6c23b5565f543c9bcfd090babcd60096
tree040e683bc3ac608cf9ff74f030ce4a869cacf0a0tree | snapshot
parent844939968735e1b08b26965baf60c995b969c2bfcommit | diff
Add hw.ahci.force tunable to control whether AHCI drivers should attach
to known AHCI-capable chips (AMD/NVIDIA), configured for legacy emulation.

Enabled by default to get additional performance and functionality of AHCI
when it can't be enabled by BIOS. Can be disabled to honor BIOS settings if
needed for some reason.

MFC after: 1 month
share/man/man4/ahci.4 diff | blob | history
sys/dev/ahci/ahci.c diff | blob | history
sys/dev/ata/chipsets/ata-ati.c diff | blob | history
sys/dev/ata/chipsets/ata-nvidia.c diff | blob | history
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