Re: how to get virtual address from dma address

Jes Sorensen (jes@sunsite.dk)
03 Oct 2001 17:25:42 +0200


>>>>> "Linux" == Linux Bigot <linuxopinion@yahoo.com> writes:

Linux> All programmers I am relatively new to linux kernel. Please
Linux> advise what is the safe way to get the original virtaul address
Linux> from dma address e.g.,

You have to store the address you pass to pci_map_single() somewhere
in your data structures together with the dma address.

Jes
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