ddi_get_driver_private(9f)

1ddi_get_driver_private(9F)Kernel Functions for Driversddi_get_driver_private(9F)
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NAME

6       ddi_get_driver_private, ddi_set_driver_private - get or set the address
7       of the device's private data area
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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       void ddi_set_driver_private(dev_info_t *dip, void *data);
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19       void *ddi_get_driver_private(dev_info_t *dip);
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INTERFACE LEVEL

23       Solaris DDI specific (Solaris DDI).
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PARAMETERS

26       ddi_get_driver_private()
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28       dip    Pointer to device information  structure to get from.
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32       ddi_set_driver_private()
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34       dip     Pointer to device information structure to set.
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37       data    Data area address to set.
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DESCRIPTION

41       The  ddi_get_driver_private()  function  returns  the  address  of  the
42       device's  private  data  area  from  the  device  information structure
43       pointed to by dip.
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46       The ddi_set_driver_private() function sets the address of the  device's
47       private data area in the device information structure pointed to by dip
48       with the value of data.
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RETURN VALUES

51       The  ddi_get_driver_private()  function   returns   the   contents   of
52       devi_driver_data.  If  ddi_set_driver_private() has not been previously
53       called with dip, an unpredictable value is returned.
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CONTEXT

56       These functions can be called from user , interrupt, or kernel context.
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