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# Interrupt Types

Interrupt types that the device supports.

## Topics

### Types

[`kIOInterruptTypePCIMessaged`](/documentation/PCIDriverKit/kIOInterruptTypePCIMessaged)

A message signaled interrupt (MSI) type for a PCI device.

[`kIOInterruptTypePCIMessagedX`](/documentation/PCIDriverKit/kIOInterruptTypePCIMessagedX)

An extended message signal interrupt (MSI-X) type for a PCI device.


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