On Fri, Mar 26 2021 at 10:32, Marc Zyngier wrote:
> On Thu, 25 Mar 2021 18:59:48 +,
> Thomas Gleixner wrote:
>> Though that leaves the question of the data type for 'val'. While u64 is
>> probably good enough for most stuff, anything which needs more than that
>> is left out (again). union as
On Thu, 25 Mar 2021 18:59:48 +,
Thomas Gleixner wrote:
>
> On Thu, Mar 25 2021 at 17:23, Marc Zyngier wrote:
> >> +{
> >> + struct irq_desc *desc;
> >> + struct irq_data *data;
> >> + unsigned long flags;
> >> + int res = -ENODEV;
> >> +
> >> + desc = irq_get_desc_buslock(irq, &flags, 0)
On Thu, Mar 25 2021 at 17:23, Marc Zyngier wrote:
>> +/**
>> + * irq_set_auxdata - Set auxiliary data
>> + * @irq:Interrupt to update
>> + * @which: Selector which data to update
>> + * @auxval: Auxiliary data value
>> + *
>> + * Function to update auxiliary data for an interrupt, e.g. to upda
On Fri, 26 Feb 2021 20:11:12 +,
Megha Dey wrote:
>
> Introduce a new function pointer in the irq_chip structure(irq_set_auxdata)
> which is responsible for updating data which is stored in a shared register
> or data storage. For example, the idxd driver uses the auxiliary data API
> to enabl
Introduce a new function pointer in the irq_chip structure(irq_set_auxdata)
which is responsible for updating data which is stored in a shared register
or data storage. For example, the idxd driver uses the auxiliary data API
to enable/set and disable PASID field that is in the IMS entry (introduce
