Subject: Re: PCI device driver interface changes
To: None <Chris_G_Demetriou@UX2.SP.CS.CMU.EDU, mycroft@mit.edu>
From: Wolfgang Solfrank <ws@kurt.tools.de>
List: current-users
Date: 03/27/1996 19:49:52
> void *pci_intr_establish __P((pci_chipset_tag_t pc,
> pci_intr_handle_t ih, int level, int (*func)(void *),
> void *arg));
>
> Doesn't PCI allow for both level- and edge-triggered interrupts? I
> think this also needs an IST_* constant.
No, PCI allows only for level-triggered interrupts (at least the 2.0 spec).
There are however PC mainboards, that allow for edge-triggered interrupts,
despite the spec.
--
ws@TooLs.DE (Wolfgang Solfrank, TooLs GmbH) +49-228-985800