Re: how to get virtual address from dma address

From: Jes Sorensen (jes@sunsite.dk)
Date: Wed Oct 03 2001 - 10:25:42 EST


>>>>> "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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sun Oct 07 2001 - 21:00:27 EST