Accessing Ram on PCI card

Robert Clove cloverobert at
Wed Jun 3 10:57:20 EDT 2015

Hi I have a PCI based card which have few RAM on it.
I have to copy the text file to RAM and read it too.

Actually i want my pci device to be exposed as block device and then mount
file system on it.

On Tue, Jun 2, 2015 at 6:59 AM, Greg KH <gregkh at> wrote:

> On Mon, Jun 01, 2015 at 10:55:44PM +0530, Robert Clove wrote:
> > Hi,
> >
> > I have a pci card that has some amount of ram and flash memory on it.
> What kind of card?
> > I have found the bar address range for the memory.
> > I want to transfer a file to that memory and read from that memory.
> PCI card memory are not usually set up as a filesystem, how can you copy
> a file to it?
> > Any pointers(in terms of sample code) how can i do that?
> Why do you want to do this?  What exactly are you trying to solve here?
> greg k-h
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