Subject: Re: scsibus capabilities.
To: Manuel Bouyer <>
From: Matt Thomas <>
List: tech-kern
Date: 05/15/2002 19:40:00
At 12:12 PM 5/15/2002, Manuel Bouyer wrote:
> > The alternative would be to add a chan_cap field to the
> > scsipi_channel and various SCSIBUS_CAP_ bits to describe the
> > capability of the channels and then let scsibusattach print
> > those out.
>Do we want to print the capability, or the current mode (or both) ?
>LVD adapters can switch between LVD and SE depending on terminators
>on the bus.

I'd say current mode for bus type.

scisbus0 at mpi0 channel0: 15 targets, LVD, sync (xx.0ns, max offset yy), 
16-bit, DT (160.00MB/s)

For the chan_cap, I propose we reuse the PERIPH_CAP_ definitons extending
them as needed.  That way we can easily do (chan_cap & periph_cap) for

Matt Thomas               Internet:
3am Software Foundry      WWW URL:
Cupertino, CA             Disclaimer: I avow all knowledge of this message