IOCTL_STORAGE_RESERVE - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntddstor.h

// CTL_CODE(0x002d, 0x204, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_STORAGE_RESERVE 0x002D4810
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ni-ntddstor-ioctl_storage_reserve)

IOCTL_STORAGE_RESERVE IOCTL

Description

Claims a device for the exclusive use of the caller on a bus that supports multiple initiators and the concept of reserving a device, such as a SCSI bus.

Parameters

Major code

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Information field is set to zero. The Status field is set to STATUS_SUCCESS, or possibly to STATUS_INVALID_DEVICE_REQUEST, STATUS_DEVICE_NOT_CONNECTED, or STATUS_IO_TIMEOUT.

View the official Windows Driver Kit DDI reference

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