On 2024/5/17 18:51, Jan Beulich wrote:
> On 17.05.2024 12:45, Chen, Jiqian wrote:
>> On 2024/5/16 22:01, Jan Beulich wrote:
>>> On 16.05.2024 11:52, Jiqian Chen wrote:
>>>> + if ( gsi >= nr_irqs_gsi )
>>>> + {
>>>> + ret = -EINVAL;
>>>> + break;
>>>> + }
>>>> +
>>>> + if ( !irq_access_permitted(current->domain, gsi) ||
>>>
>>> I.e. assuming IRQ == GSI? Is that a valid assumption when any number of
>>> source overrides may be surfaced by ACPI?
>> All irqs smaller than nr_irqs_gsi are gsi, aren't they?
>
> They are, but there's not necessarily a 1:1 mapping.
Oh, so do I need to add a new gsi_caps to store granted gsi?
And Dom0 defaults to own all gsis permission?
>
> Jan
--
Best regards,
Jiqian Chen.
