Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [PATCH 1/1] iommu/vt-d: Add set_dev_pasid callbacks for default domain | Date | Tue, 14 Jun 2022 04:02:42 +0000 |
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> From: Lu Baolu <baolu.lu@linux.intel.com> > Sent: Tuesday, June 14, 2022 11:44 AM > > This allows the upper layers to set a domain to a PASID of a device > if the PASID feature is supported by the IOMMU hardware. The typical > use cases are, for example, kernel DMA with PASID and hardware > assisted mediated device drivers. >
why is it not part of the series for those use cases? There is no consumer of added callbacks in this patch...
> +/* PCI domain-subdevice relationship */ > +struct subdev_domain_info { > + struct list_head link_domain; /* link to domain siblings */ > + struct device *dev; /* physical device derived from */ > + ioasid_t pasid; /* PASID on physical device */ > +}; > +
It's not subdev. Just dev+pasid in iommu's context.
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