Re: [myrinet]

Greg Lindahl <[email protected]> Tue, 3 Jul 2001 11:21:39 -0400

Newsgroups	gmane.network.myrinet.general
Message-ID	<[email protected]>

On Thu, Aug 02, 2001 at 02:13:20PM +0800, wyx wrote:

> Does linux support direct DMA access form user space to network
> interface ? if does, how? thanks.

Yes. You have the source for GM, but the basic idea is that the
network adapter has to keep its own virt<>phys mapping of locked down
pages, and does a series of pagesized DMAs.

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