Subject: Re: bus_dma_tag_create() ?
To: Dante Profeta <dante@mclink.it>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-kern
Date: 06/11/1998 14:56:50
On Thu, 11 Jun 1998 20:27:30 +0200
Dante Profeta <dante@mclink.it> wrote:
> Does exists an ecquivalent NetBSD function of the bus_dma_tag_create()
> FreeBSD function?
No.. this was one of the gratuitous changes FreeBSD made to the bus_dma
interface.
In NetBSD, the DMA tag is passed down the autoconfiguration tree. For
an example of how to get this information, I'd suggest looking at
sys/dev/pci/bha_pci.c ... it shows how to get the DMA tags, and also
demonstrates the PCI functions you asked about earlier.
Jason R. Thorpe thorpej@nas.nasa.gov
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