# PCIDriverKit Enumerations ## Topics ### Enumerations [Anonymous](/documentation/PCIDriverKit/anonymous-enum) [`typedef enum tIOPCIAccessOptions : unsigned int { ... } tIOPCIAccessOptions;`](/documentation/PCIDriverKit/tIOPCIAccessOptions) [`typedef enum tIOPCIDeviceResetOptions : unsigned int { ... } tIOPCIDeviceResetOptions;`](/documentation/PCIDriverKit/tIOPCIDeviceResetOptions) [`typedef enum tIOPCIDeviceResetTypes : unsigned int { ... } tIOPCIDeviceResetTypes;`](/documentation/PCIDriverKit/tIOPCIDeviceResetTypes) [`typedef enum tIOPCILinkSpeed : unsigned int { ... } tIOPCILinkSpeed;`](/documentation/PCIDriverKit/tIOPCILinkSpeed) [`enum IOPCIBARType : unsigned int;`](/documentation/PCIDriverKit/IOPCIBARType) [`enum IOPCILinkSpeed : unsigned int;`](/documentation/PCIDriverKit/IOPCILinkSpeed) [`enum IOPCIMemoryRange : unsigned int;`](/documentation/PCIDriverKit/IOPCIMemoryRange) [`enum IOPCISaveDeviceStateOptions : unsigned int;`](/documentation/PCIDriverKit/IOPCISaveDeviceStateOptions) [`typedef enum tIOPCIAccessOptions : unsigned int { ... } tIOPCIAccessOptions;`](/documentation/PCIDriverKit/tIOPCIAccessOptions) [`typedef enum tIOPCIDeviceResetOptions : unsigned int { ... } tIOPCIDeviceResetOptions;`](/documentation/PCIDriverKit/tIOPCIDeviceResetOptions) [`typedef enum tIOPCIDeviceResetTypes : unsigned int { ... } tIOPCIDeviceResetTypes;`](/documentation/PCIDriverKit/tIOPCIDeviceResetTypes) [`enum tIOPCILinkControlASPMBits : unsigned int;`](/documentation/PCIDriverKit/tIOPCILinkControlASPMBits) [`typedef enum tIOPCILinkSpeed : unsigned int { ... } tIOPCILinkSpeed;`](/documentation/PCIDriverKit/tIOPCILinkSpeed) [Interrupt Types](/documentation/PCIDriverKit/interrupt-types-enum) Interrupt types that the device supports. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)