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

6       ddi_dev_nregs - return the number of register sets a device has
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SYNOPSIS

9       #include <sys/conf.h>
10       #include <sys/ddi.h>
11       #include <sys/sunddi.h>
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15       int ddi_dev_nregs(dev_info_t *dip, int *resultp);
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INTERFACE LEVEL

19       Solaris DDI specific (Solaris DDI).
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PARAMETERS

22       dip        A pointer to the device's dev_info structure.
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25       resultp    Pointer to an integer that holds the number of register sets
26                  on return.
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DESCRIPTION

30       The ddi_dev_nregs() function returns the number of  sets  of  registers
31       the device has.
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RETURN VALUES

34       The ddi_dev_nregs() function returns:
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36       DDI_SUCCESS    A  successful  return.  The  number  of register sets is
37                      returned in resultp.
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40       DDI_FAILURE    The device has no registers.
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CONTEXT

44       The ddi_dev_nregs() function can be called  from  user,  interrupt,  or
45       kernel context.
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SEE ALSO

48       ddi_dev_nintrs(9F), ddi_dev_regsize(9F)
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51       Writing Device Drivers
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55SunOS 5.11                        16 Jan 2006                ddi_dev_nregs(9F)