64bit MMIO access

[Jagath Weerasinghe]

Hi,

readq and writeq do the job.



On Thu, Feb 28, 2013 at 11:15 PM,  <Valdis.Kletnieks at vt.edu> wrote:
> On Thu, 28 Feb 2013 22:46:58 +0100, Jagath Weerasinghe said:
>> What are the read/write kernel functions to access 64bit MMIO addresses?
>> Are there similar functions like readl() and writel() for 64bit systems?
>
> Are there any actual real-world cards that support 64-bit addressing
> but still require MMIO?