ddi_dev_nregs man page on OpenIndiana

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ddi_dev_nregs(9F)	 Kernel Functions for Drivers	     ddi_dev_nregs(9F)

NAME
       ddi_dev_nregs - return the number of register sets a device has

SYNOPSIS
       #include <sys/conf.h>
       #include <sys/ddi.h>
       #include <sys/sunddi.h>

       int ddi_dev_nregs(dev_info_t *dip, int *resultp);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

PARAMETERS
       dip	  A pointer to the device's dev_info structure.

       resultp	  Pointer to an integer that holds the number of register sets
		  on return.

DESCRIPTION
       The ddi_dev_nregs() function returns the number of  sets	 of  registers
       the device has.

RETURN VALUES
       The ddi_dev_nregs() function returns:

       DDI_SUCCESS    A	 successful  return.  The  number  of register sets is
		      returned in resultp.

       DDI_FAILURE    The device has no registers.

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

SEE ALSO
       ddi_dev_nintrs(9F), ddi_dev_regsize(9F)

       Writing Device Drivers

SunOS 5.11			  16 Jan 2006		     ddi_dev_nregs(9F)
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