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

    NAME

    ddi_slaveonly - tell if a device is installed in a slave access only location
     
    

    SYNOPSIS

    #include <sys/conf.h>
    #include <sys/ddi.h>
    #include <sys/sunddi.h>
    
    
    
    int ddi_slaveonly(dev_info_t *dip);
    

     

    INTERFACE LEVEL

    Solaris DDI specific (Solaris DDI).  

    PARAMETERS

    dip

    A pointer to the device's dev_info structure.

     

    DESCRIPTION

    The ddi_slaveonly() function tells the caller if the bus, or part of the bus that the device is installed on, does not permit the device to become a DMA master, that is, whether the device has been installed in a slave access only slot.  

    RETURN VALUES

    DDI_SUCCESS

    The device has been installed in a slave access only location.

    DDI_FAILURE

    The device has not been installed in a slave access only location.

     

    CONTEXT

    The ddi_slaveonly() function can be called from user, interrupt, or kernel context.  

    SEE ALSO

    Writing Device Drivers


     

    Index

    NAME
    SYNOPSIS
    INTERFACE LEVEL
    PARAMETERS
    DESCRIPTION
    RETURN VALUES
    CONTEXT
    SEE ALSO


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