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

6       ddi_driver_major - return driver's major device number
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SYNOPSIS

9       #include <sys/ddi.h>
10       #include <sys/sunddi.h>
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12       major_t ddi_driver_major(dev_info_t *dip);
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INTERFACE LEVEL

16       Solaris DDI specific (Solaris DDI)
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DESCRIPTION

19       ddi_driver_major() returns the major device number for the driver asso‐
20       ciated with the supplied dev_info node. This value can then be used  as
21       an argument to makedevice(9F) to construct a complete dev_t.
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PARAMETERS

24       dip    A pointer to the device's dev_info structure.
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RETURN VALUES

28       ddi_driver_major()  returns  the  major number of the driver bound to a
29       device, if any, or DDI_MAJOR_T_NONE otherwise.
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CONTEXT

32       ddi_driver_major() can be called from kernel or interrupt context.
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SEE ALSO

35       ddi_driver_name(9F)
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38       Writing Device Drivers
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42SunOS 5.11                        18 Jun 2001             ddi_driver_major(9F)