10 Feb
2023
10 Feb
'23
7:28 a.m.
From: Liu, Yi L yi.l.liu@intel.com Sent: Thursday, February 9, 2023 12:17 PM @@ -223,6 +224,11 @@ struct iommu_iotlb_gather { /**
- struct iommu_ops - iommu ops and capabilities
- @capable: check capability
- @hw_info: IOMMU hardware capabilities. The type of the returned data
is
is it 'info' or 'capability'?
defined in include/uapi/linux/iommufd.h. The data buffer is
allocated in the IOMMU driver and the caller should free it
after use. Return the data buffer if success, or ERR_PTR on
failure.- @domain_alloc: allocate iommu domain
- @probe_device: Add device to iommu driver handling
- @release_device: Remove device from iommu driver handling
@@ -252,6 +258,7 @@ struct iommu_iotlb_gather { */ struct iommu_ops { bool (*capable)(struct device *dev, enum iommu_cap);
void *(*hw_info)(struct device *dev, u32 *length);
/* Domain allocation and freeing by the iommu driver */ struct iommu_domain *(*domain_alloc)(unsigned
iommu_domain_type); @@ -280,6 +287,7 @@ struct iommu_ops { void (*remove_dev_pasid)(struct device *dev, ioasid_t pasid);
const struct iommu_domain_ops *default_domain_ops;
- enum iommu_device_data_type driver_type;
the enum is called 'device_data_type' while the field is called 'driver_type'.
btw this new field is not documented above.