Re: uio_pci_generic has no mapping?

From: Billy Rafferty
Date: Fri Jan 14 2011 - 05:50:00 EST


Hi Michael,

Thanks for the help and the driver.

Cheers,

Billy

On 14 Jan 2011, at 10:12, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:

> On Fri, Jan 14, 2011 at 09:52:45AM +0000, Billy Rafferty wrote:
>> Hi there,
>>
>> I was hoping that someone might be be able to help me out using the
>> uio_pci_generic driver.
>>
>> To gain access to the memory in the card I try to do an mmap but it
>> returns an error.
>>
>> I was wondering if the mapping of the PCI memory regions is automatic?
>> I am not seeing /sys/class/uio/uio0/maps
>>
>> Do I have to do something to get these to appear?
>>
>> I would appreciate any help or pointers that you can give.
>>
>> Regards,
>>
>> Billy
>
> mmap the pci resource through
> /sys/class/uio/uio0/device/resourceX
>
> The list of resources is in
> /sys/class/uio/uio0/device/resource
>
> --
> MST
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