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STORAGE_DEVICE_IO_CAPABILITY_DESCRIPTOR structure (winioctl.h)

The output buffer for the StorageDeviceIoCapabilityProperty as defined in STORAGE_PROPERTY_ID.

Syntax

typedef struct _STORAGE_DEVICE_IO_CAPABILITY_DESCRIPTOR {
  DWORD Version;
  DWORD Size;
  DWORD LunMaxIoCount;
  DWORD AdapterMaxIoCount;
} STORAGE_DEVICE_IO_CAPABILITY_DESCRIPTOR, *PSTORAGE_DEVICE_IO_CAPABILITY_DESCRIPTOR;

Members

Version

The version of this structure. The Size serves as the version.

Size

The size of this structure.

LunMaxIoCount

The logical unit number (LUN) max outstanding I/O count.

AdapterMaxIoCount

The adapter max outstanding I/O count.

Requirements

Requirement Value
Minimum supported client Windows 10
Minimum supported server Windows Server 2016
Header winioctl.h (include Windows.h)