ddi_slaveonly(9f)

1ddi_slaveonly(9F)        Kernel Functions for Drivers        ddi_slaveonly(9F)
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NAME

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

10       #include <sys/conf.h>
11       #include <sys/ddi.h>
12       #include <sys/sunddi.h>
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16       int ddi_slaveonly(dev_info_t *dip);
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INTERFACE LEVEL

20       Solaris DDI specific (Solaris DDI).
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PARAMETERS

23       dip    A pointer to the device's dev_info structure.
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DESCRIPTION

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

33       DDI_SUCCESS    The  device  has  been  installed in a slave access only
34                      location.
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37       DDI_FAILURE    The device has not been installed in a slave access only
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CONTEXT

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