Re: [PATCH 3/6] hw/usb/hcd-xhci-pci: Use event ring 0 if mapping unsupported.

2024-12-08 Thread Akihiko Odaki
Remove the period from the subject. On 2024/12/09 4:16, Phil Dennis-Jordan wrote: The XHCI specification, section 4.17.1 specifies that "If Interrupter Mapping is not supported, the Interrupter Target field shall be ignored by the xHC and all Events targeted at Interrupter 0." QEMU's XHCI devic

[PATCH 3/6] hw/usb/hcd-xhci-pci: Use event ring 0 if mapping unsupported.

2024-12-08 Thread Phil Dennis-Jordan
The XHCI specification, section 4.17.1 specifies that "If Interrupter Mapping is not supported, the Interrupter Target field shall be ignored by the xHC and all Events targeted at Interrupter 0." QEMU's XHCI device has so far not specially addressed this case, so we add a check to xhci_event() to