Re: PCI DMA into USER space

From: James Simmons (jsimmons@acsu.buffalo.edu)
Date: Tue Jun 13 2000 - 18:28:44 EST


On Tue, 13 Jun 2000, Mayhall, Tony wrote:

> Does anyone have an example (that works) of how to DMA from a PCI card into
> user space on a PC running Linux? We do this on Unix systems and need to be
> able to do this under Linux.

For 2.3.X and 2.4.X read linux/Documentation/DMA-mapping.txt

You need to do this internal to the driver and then mmap to userspace.

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