> From: Lu Baolu <baolu...@linux.intel.com>
> Sent: Tuesday, June 21, 2022 10:44 PM
>
> Use this field to save the number of PASIDs that a device is able to
> consume. It is a generic attribute of a device and lifting it into the
> per-device dev_iommu struct could help to avoid the boilerplate code
> in various IOMMU drivers.
>
> Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
> ---
> include/linux/iommu.h | 2 ++
> drivers/iommu/iommu.c | 20 ++++++++++++++++++++
> 2 files changed, 22 insertions(+)
>
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index 03fbb1b71536..d50afb2c9a09 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -364,6 +364,7 @@ struct iommu_fault_param {
> * @fwspec: IOMMU fwspec data
> * @iommu_dev: IOMMU device this device is linked to
> * @priv: IOMMU Driver private data
> + * @max_pasids: number of PASIDs device can consume
... PASIDs *this* device can consume
Reviewed-by: Kevin Tian <kevin.t...@intel.com>
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