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tran_quiesce (9)
  • >> tran_quiesce (9) ( Solaris man: Ядро )
  •  

    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:

    0

    Successful completion.

    Non-zero

    An error occurred.

     

    ATTRIBUTES

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

    ATTRIBUTE TYPEATTRIBUTE VALUE

    Interface StabilityCommitted

     

    SEE ALSO

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


     

    Index

    NAME
    SYNOPSIS
    INTERFACE LEVEL
    PARAMETERS
    DESCRIPTION
    RETURN VALUES
    ATTRIBUTES
    SEE ALSO


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