As Doug Rabson wrote ... > On Tue, 1 Jun 1999, Matthew N. Dodd wrote: > > > On Tue, 1 Jun 1999, Mark Newton wrote: > > > So, guys -- What is the officially blessed way of sharing IRQs under > > > newbus? > > > > If you find out, let me know since the EISA code suffers the same problem > > (though the drivers do a bit better job detecting the condition, and just > > fail to attach instead of panicing.) > > For EISA, it should be possible to add RF_SHAREABLE to the > bus_alloc_resource call (assuming that EISA interrupts are shareable like > pci interrupts).
IRRC (it's been years) EISA cards can, but don't have to, support shared interrupts. I think the SCU/ECU can set this based on what the .CFG file of the card tells it the hardware can do. I once designed a EISA 2 channel SCSI adapter but that was > 9 years ago. Bitrot.. | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-current" in the body of the message
