tran_unquiesce(9e)

NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO

NAME

tran_quiesce, tran_unquiesce– quiesce and unquiesce a SCSI bus

SYNOPSIS

#include <sys/scsi/scsi.h>

int prefixtran_quiesce(dev_info_t *hba_dip);
int prefixtran_unquiesce(dev_info_t *hba_dip);

INTERFACE LEVEL

Solaris DDI

PARAMETERS

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 be called when a user initiates quiesce and unquiesce operations 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:

1

on success.

0

on failure.

ATTRIBUTES

See attributes(5) for a description of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Stability Level	Evolving

SEE ALSO

attributes(5), tran_bus_reset(9E), scsi_hba_tran(9S)

SunOS 5.9  Last Revised 31 Jan 1999

NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO