RE: [patch V2 03/33] genirq/msi: Provide data structs for per device domains

Tian, Kevin
2022-11-23T07:58:15Z

> From: Thomas Gleixner <tglx@linutronix.de>
> Sent: Monday, November 21, 2022 10:38 PM
>
> Provide struct msi_domain_template which contains a bundle of struct
> irq_chip, struct msi_domain_ops and struct msi_domain_info and a name
> field.
>
> This template is used by MSI device domain implementations to provide the
> domain specific functionality, feature bits etc.
>
> When a MSI domain is created the template is duplicated in the core code
> so that it can be modified per instance. That means templates can be
> marked const at the MSI device domain code.
>
> The template is a bundle to avoid several allocations and duplications
> of the involved structures.
>
> The name field is used to construct the final domain and chip name via:
>
> $PREFIX-$NAME-$DEVNAME

$PREFIX$NAME-$DEVNAME