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IOMMU_PASID_DEVICE_DELETE deletes a PASID sub-device and frees its ASID.
Syntax
IOMMU_PASID_DEVICE_DELETE IommuPasidDeviceDelete;
NTSTATUS IommuPasidDeviceDelete(
PIOMMU_DMA_PASID_DEVICE PasidDevice
)
{...}
Parameters
PasidDevice
[in] Pointer to the IOMMU_DMA_PASID_DEVICE structure that represents the PASID sub-device to be deleted.
Return value
Returns an NTSTATUS value. Possible values include:
| Return code | Description |
|---|---|
| STATUS_SUCCESS | On successful deletion of the PASID sub-device. |
| STATUS_RESOURCE_IN_USE | Device is still attached to a domain. Callers are responsible detaching devices from domains before deleting the device. |
Remarks
Callers are responsible for detaching devices from domains before deleting the device.
Requirements
| Requirement | Value |
|---|---|
| Header | wdm.h |
| IRQL | PASSIVE_LEVEL |