Re: [PATCH v10 39/59] i386/xen: add monitor commands to test event injection

[David Woodhouse]

On Fri, 2023-02-10 at 14:54 +0000, Paul Durrant wrote:
> 
> Given that this patch only provides a command to inject an event on a
> specific port, I think it's be useful to have the target field report
> the type of a VIRQ. PV drivers often hook VIRQ_DEBUG for dumping debug 
> info, so knowing which of the VIRQ ports

It's there in type_val, Wary of overengineering I hadn't actually
translated it to strings but frankly if you don't know VIRQ_DEBUG is 1
you don't deserve to play...

(qemu) xen-event-list
port    1: vcpu: 0 interdomain(qemu:2)
port    2: vcpu: 0 virq(0)
port    3: vcpu: 0 ipi
port    4: vcpu: 0 ipi
port    5: vcpu: 0 virq(1)
port    6: vcpu: 0 ipi
port    7: vcpu: 0 ipi MASKED
port    8: vcpu: 1 virq(0)
port    9: vcpu: 1 ipi
port   10: vcpu: 1 ipi
port   11: vcpu: 1 virq(1)
port   12: vcpu: 1 ipi
port   13: vcpu: 1 ipi PENDING MASKED
port   14: vcpu: 1 pirq(16)
port   15: vcpu: 1 interdomain(qemu:3)
port   16: vcpu: 0 pirq(22)
port   17: vcpu: 1 pirq(18)
port   18: vcpu: 0 pirq(17)
port   19: vcpu: 1 pirq(20)
port   20: vcpu: 0 pirq(19)
(qemu) xen-event-inject 5
Delivered port 5
(qemu) [   26.555560] 
[   26.555560] vcpu 0
[   26.555560]   
[   26.555592] 0: masked=0 pending=0 event_sel 0000000000000000
[   26.555592]   
[   26.556526] 1: masked=0 pending=0 event_sel 0000000000000000
[   26.556526]   
[   26.557537] 
[   26.557537] pending:
[   26.557537]    
[   26.558514] 0000000000000000 
[   26.559242] 0000000000000000 

...

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