Driver Entry Points tran_quiesce(9E)
NAME
tran_quiesce, tran_unquiesce - quiesce and unquiesce a SCSI
busSYNOPSIS
#include
int prefixtran_quiesce(dev_info_t *hba_dip);
int prefixtran_unquiesce(dev_info_t *hba_dip);
INTERFACE LEVEL
Solaris DDIPARAMETERS
hba_dip The dev_info_t pointer associated with the SCSI
HBA.DESCRIPTION
The tran_quiesce() and tran_unquiesce() vectors in the
scsi_hba_tran(9S) structure should be initialized during the
HBA driver's attach(9E). They are HBA entry points to becalled when a user initiates quiesce and unquiesce opera-
tions through device control interfaces.tran_quiesce() should wait for all outstanding commands to
complete and blocks (or queues) any I/O requests issued.
tran_unquiesce() should allow I/O activities to resume on
the SCSI bus. Implementation is hardware specific.RETURN VALUES
tran_quiesce() and tran_unquiesce() should return:
0 Successful completion.Non-zero An error occurred.
ATTRIBUTES
See attributes(5) for a description of the following attri-
butes:SunOS 5.11 Last change: 31 Jan 1999 1
Driver Entry Points tran_quiesce(9E)
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
SEE ALSO
attributes(5), tran_bus_reset(9E), scsi_hba_tran(9S)
SunOS 5.11 Last change: 31 Jan 1999 2