Re: [PATCH RFC 00/15] Add VFIO mediated device support and IMS support for the idxd driver.

Jason Gunthorpe
2020-04-27T13:22:29Z

On Mon, Apr 27, 2020 at 07:19:39AM -0600, Alex Williamson wrote:

> > It is not trivial masking. It is a 2000 line patch doing comprehensive
> > emulation.
>
> Not sure what you're referring to, I see about 30 lines of code in
> vdcm_vidxd_cfg_write() that specifically handle writes to the 4 BARs in
> config space and maybe a couple hundred lines of code in total handling
> config space emulation. Thanks,

Look around vidxd_do_command()

If I understand this flow properly..

Jason