ddi_driver_major(9F) Kernel Functions for Drivers ddi_driver_major(9F) NAME ddi_driver_major - return driver's major device number SYNOPSIS #include <sys/ddi.h> #include <sys/sunddi.h> major_t ddi_driver_major(dev_info_t *dip); INTERFACE LEVEL Solaris DDI specific (Solaris DDI) DESCRIPTION ddi_driver_major() returns the major device number for the driver asso‐ ciated with the supplied dev_info node. This value can then be used as an argument to makedevice(9F) to construct a complete dev_t. PARAMETERS dip A pointer to the device's dev_info structure. RETURN VALUES ddi_driver_major() returns the major number of the driver bound to a device, if any, or DDI_MAJOR_T_NONE otherwise. CONTEXT ddi_driver_major() can be called from kernel or interrupt context. SEE ALSO ddi_driver_name(9F) Writing Device Drivers SunOS 5.11 18 Jun 2001 ddi_driver_major(9F)[top]
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