[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [rtl] PCI advice

On Tue, 28 Nov 2000, Frederic Cazenave wrote:

> Could you tall me what is the best way to transfer data between a Dual
> Port Ram on
> a PCI board to a "mbuff" share memory.
> Rigth now I use a memcpy_fromio inside a RTL interrupt routine, but I
> wonder if
> I can implement something more efficient.

Do not use mbuff in this case: use ioremap in the kernel, and mmap /dev/mem
in the user space.

--
Tomek