Linux PCI driver.
Greg KH
greg at kroah.com
Mon Aug 18 04:35:03 EDT 2014
On Mon, Aug 18, 2014 at 09:50:44AM +0200, testlaster wrote:
> Hey Guys
>
> Im writing a PCI driver in Linux ( Lubuntu ). Now its not an entire
> driver its really just a little program that will latch onto a space of
> ram and dump the entire content of the ram into a file.
> I have done this before in a Unix/Linux based OS and it took me quite a
> while to figure it out.
>
> So at startup the configuration for the PCI is already done so I wont
> have to do any of that myself.
> I really just need to set a pointer to a register.
>
> My problem is that I cant find the functions to do that for linux.
> I cant find similar functions to things like :
> PCI_ATTACH()
> pci_attach_device();
> mmap_device_memory();
>
> I think that is really all I need at the moment.
> Anybody have some ideas of where I can start looking?
Have you read the book, Linux Device Drivers, 3rd edition, it's free
online and has a whole chapter on PCI that should answer these questions
for you.
If not, please feel free to post your code and we will be glad to review
it.
thanks,
greg k-h
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