Query: ddi_dev_nregs
OS: sunos
Section: 9f
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
ddi_dev_nregs(9F) Kernel Functions for Drivers ddi_dev_nregs(9F)NAMEddi_dev_nregs - return the number of register sets a device hasSYNOPSIS#include <sys/conf.h> #include <sys/ddi.h> #include <sys/sunddi.h> int ddi_dev_nregs(dev_info_t *dip, int *resultp);INTERFACE LEVELSolaris DDI specific (Solaris DDI).PARAMETERSdip A pointer to the device's dev_info structure. resultp Pointer to an integer that holds the number of register sets on return.DESCRIPTIONThe function ddi_dev_nregs() returns the number of sets of registers the device has.RETURN VALUESddi_dev_nregs() returns: DDI_SUCCESS A successful return. The number of register sets is returned in resultp. DDI_FAILURE The device has no registers.CONTEXTddi_dev_nregs() can be called from user or interrupt context.SEE ALSOddi_dev_nintrs(9F), ddi_dev_regsize(9F) Writing Device Drivers SunOS 5.10 24 Oct 1991 ddi_dev_nregs(9F)
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