Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 2024/6/12 17:21, Jan Beulich wrote: > On 12.06.2024 11:07, Chen, Jiqian wrote: >> On 2024/6/12 16:53, Jan Beulich wrote: >>> On 12.06.2024 04:43, Chen, Jiqian wrote: On 2024/6/10 23:58, Jan Beulich wrote: > On 07.06.2024 10:11, Jiqian Chen wrote: >> If run Xen with PVH dom0 and hvm

Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 12.06.2024 11:07, Chen, Jiqian wrote: > On 2024/6/12 16:53, Jan Beulich wrote: >> On 12.06.2024 04:43, Chen, Jiqian wrote: >>> On 2024/6/10 23:58, Jan Beulich wrote: On 07.06.2024 10:11, Jiqian Chen wrote: > If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for > a passthro

Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 2024/6/12 16:53, Jan Beulich wrote: > On 12.06.2024 04:43, Chen, Jiqian wrote: >> On 2024/6/10 23:58, Jan Beulich wrote: >>> On 07.06.2024 10:11, Jiqian Chen wrote: If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for a passthrough device by using gsi, see qemu code xen_

Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 12.06.2024 04:43, Chen, Jiqian wrote: > On 2024/6/10 23:58, Jan Beulich wrote: >> On 07.06.2024 10:11, Jiqian Chen wrote: >>> If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for >>> a passthrough device by using gsi, see qemu code >>> xen_pt_realize->xc_physdev_map_pirq and libxl code

Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 2024/6/10 23:58, Jan Beulich wrote: > On 07.06.2024 10:11, Jiqian Chen wrote: >> If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for >> a passthrough device by using gsi, see qemu code >> xen_pt_realize->xc_physdev_map_pirq and libxl code >> pci_add_dm_done->xc_physdev_map_pirq. Then

Re: [XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

On 07.06.2024 10:11, Jiqian Chen wrote: > If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for > a passthrough device by using gsi, see qemu code > xen_pt_realize->xc_physdev_map_pirq and libxl code > pci_add_dm_done->xc_physdev_map_pirq. Then xc_physdev_map_pirq > will call into Xen, but

[XEN PATCH v9 2/5] x86/pvh: Allow (un)map_pirq when dom0 is PVH

If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for a passthrough device by using gsi, see qemu code xen_pt_realize->xc_physdev_map_pirq and libxl code pci_add_dm_done->xc_physdev_map_pirq. Then xc_physdev_map_pirq will call into Xen, but in hvm_physdev_op, PHYSDEVOP_map_pirq is not allo