cvs commit: src/sys/dev/ata ata-all.h ata-raid.c

John Baldwin jhb at freebsd.org
Wed Apr 16 14:47:13 UTC 2008


On Monday 14 April 2008 01:09:23 pm Søren Schmidt wrote:
> Hi
>
> Yes, the registers used for setting up events when hotswap happens are
> not accessible when in legacy compat mode.

If all you need is for the AHCI BAR to have resources assigned newer FreeBSD 
kernels (at least 6.x and later) are smart enough to alloc resources for a 
BAR that the BIOS doesn't assign resources for when you do a 
bus_alloc_resource().

> -Søren
>
> On 14Apr, 2008, at 18:00 , Dag-Erling Smørgrav wrote:
> > Søren Schmidt <sos at FreeBSD.org> writes:
> >> You have to set AHCI mode in the BIOS or the resources needed to use
> >> it wont be available, so yes its software but not ours :)
> >
> > Thanks Søren, I will make sure the BIOS is correctly configured.
> >
> > Does this also affect hotswap?  I assume that the ICH8 supports it,
> > but
> > I haven't been able to make it work.
> >
> > DES
> > --
> > Dag-Erling Smørgrav - des at des.no



-- 
John Baldwin


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