devclass man page on DragonFly
[printable version]
DEVCLASS(9) BSD Kernel Developer's Manual DEVCLASS(9)
NAME
devclass — object representing a class of devices
SYNOPSIS
typedef struct devclass *devclass_t;
DESCRIPTION
The devclass object has two main functions in the system. The first is
to manage the allocation of unit numbers for device instances and the
second is to hold the list of device drivers for a particular bus type.
Each devclass has a name and there cannot be two devclasses with the same
name. This ensures that unique unit numbers are allocated to device
instances.
SEE ALSO
devclass_add_driver(9), devclass_delete_driver(9), devclass_find(9),
devclass_find_driver(9), devclass_get_device(9), devclass_get_devices(9),
devclass_get_maxunit(9), devclass_get_name(9), devclass_get_softc(9),
device(9), driver(9)
AUTHORS
This man page was written by Doug Rabson.
BSD June 16, 1998 BSD
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