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device_get_ivars, device_set_ivars - access bus private variables
device_set_ivars(device_t dev, void *ivar);
The device_get_ivars() function returns the bus-specific instance
variables of a device.
The device_set_ivars() function sets the bus-specific instance variables
of a device.
Typically, only bus drivers will use these functions. The kernel assumes
that the bus driver will manage this memory, and no automatic memory
allocation or deallocation happens. Client drivers should access ivars
through the BUS_READ_IVAR(9) interface instead.
This manual page was written by Doug Rabson.