This is a discussion on ATA modules work committed - FreeBSD ; Hi all! I've just committed the roumored ATA modulerisation works, and it needs a little explanation I guess. If you just config KERNEL as usual there should be no apparent changes, you'll get all chipset support code compiled in. However ...
I've just committed the roumored ATA modulerisation works, and it
needs a little explanation I guess.
If you just config KERNEL as usual there should be no apparent
changes, you'll get all chipset support code compiled in.
However there is now a way to only compile in code for chipsets needed
on a pr vendor basis. ATA now has the following "device" entries:
atacore: ATA core functionality, always needed for any ATA setup
atacard: CARDBUS support
atacbus: PC98 cbus support
ataisa: ISA bus support
atapci: PCI bus support only generic chipset support.
ataahci: AHCI support, also pulled in by some vendor modules.
ataacard, ataacerlabs, ataadaptec, ataamd, ataati, atacenatek,
atacypress, atacyrix, atahighpoint, ataintel, ataite, atajmicron,
atamarvell, atamicron, atanational, atanetcell, atanvidia, atapromise,
ataserverworks, atasiliconimage, atasis, atavia; Vendor support, ie
atavia for VIA chipsets
atadisk: ATA disk driver
ataraid: ATA softraid driver
atapicd: ATAPI cd/dvd driver
atapifd: ATAPI floppy/flashdisk driver
atapist: ATAPI tape driver
atausb: ATA<>USB bridge
atapicam: ATA<>CAM bridge
This makes it possible to config a kernel with just VIA chipset
support by having the following ATA lines in the kernel config file:
And then you need the atadisk, atapicd etc lines in there just as usual.
If you use ATA as modules loaded at boot there is few changes except
the rename of the "ata" module to "atacore", things looks just as usual.
However under atapci you now have a whole bunch of vendor specific
drivers, that you can kldload individually depending on you needs.
Drivers have the same names as used in the kernel config explained
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