PRI_RESERVATION_LIST structure (minitape.h)
The PRI_RESERVATION_LIST structure is returned in response to a Persistent Reserve In command with ServiceAction = RESERVATION_ACTION_READ_RESERVATIONS.
Syntax
typedef struct {
UCHAR Generation[4];
UCHAR AdditionalLength[4];
PRI_RESERVATION_DESCRIPTOR Reservations[0];
} PRI_RESERVATION_LIST, *PPRI_RESERVATION_LIST;
Members
Generation[4]
The Generation field contains a 32-bit counter that is maintained by the device server, which is incremented every time a Persistent Reserve Out command requests a REGISTER, REGISTER AND IGNORE
EXISTING KEY, CLEAR, PREEMPT, or PREEMPT AND ABORT service action.
AdditionalLength[4]
The AdditionalLength field contains a count of the number of bytes in the reservation descriptors.
Reservations[0]
An array of reservation descriptors.
Remarks
The IOCTL_STORAGE_PERSISTENT_RESERVE_IN request is used to obtain information about persistent reservations and reservation keys that are active within a device server.
Requirements
| Requirement | Value |
|---|---|
| Header | minitape.h (include Ntddstor.h, Minitape.h, Scsi.h) |