Re: [PATCH v2 9/9] xue: allow driving the rest of XHCI by a domain while Xen uses DbC

2022-07-18 Thread Jan Beulich
On 18.07.2022 14:54, Marek Marczykowski-Górecki wrote: > On Thu, Jul 14, 2022 at 02:06:07PM +0200, Jan Beulich wrote: >> On 06.07.2022 17:32, Marek Marczykowski-Górecki wrote: >>> That's possible, because the capability was designed specifically to >>> allow separate driver handle it, in parallel t

Re: [PATCH v2 9/9] xue: allow driving the rest of XHCI by a domain while Xen uses DbC

2022-07-18 Thread Marek Marczykowski-Górecki
On Thu, Jul 14, 2022 at 02:06:07PM +0200, Jan Beulich wrote: > On 06.07.2022 17:32, Marek Marczykowski-Górecki wrote: > > That's possible, because the capability was designed specifically to > > allow separate driver handle it, in parallel to unmodified xhci driver > > (separate set of registers, p

Re: [PATCH v2 9/9] xue: allow driving the rest of XHCI by a domain while Xen uses DbC

2022-07-14 Thread Jan Beulich
On 06.07.2022 17:32, Marek Marczykowski-Górecki wrote: > That's possible, because the capability was designed specifically to > allow separate driver handle it, in parallel to unmodified xhci driver > (separate set of registers, pretending the port is "disconnected" for > the main xhci driver etc).

[PATCH v2 9/9] xue: allow driving the rest of XHCI by a domain while Xen uses DbC

2022-07-06 Thread Marek Marczykowski-Górecki
That's possible, because the capability was designed specifically to allow separate driver handle it, in parallel to unmodified xhci driver (separate set of registers, pretending the port is "disconnected" for the main xhci driver etc). It works with Linux dom0, although requires an awful hack - re