> From: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Sent: Sunday, May 18, 2025 11:22 AM
>
> +
> +enum iommufd_viommu_flags {
> + /*
> + * The HW does not go through an address translation table but
> reads the
> + * physical address space directly: iommufd core should pin the
> physical
> + * pages backing the queue memory that's allocated for the HW
> QUEUE, and
> + * ensure those physical pages are contiguous in the physical space.
> + */
> + IOMMUFD_VIOMMU_FLAG_HW_QUEUE_READS_PA = 1 << 0,
> +};
The queue itself doesn't read an address.
What about 'QUEUE_BASE_PA'?
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
