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device_get_devclass(9) [minix man page]

DEVICE_GET_DEVCLASS(9)					   BSD Kernel Developer's Manual				    DEVICE_GET_DEVCLASS(9)

NAME
device_get_devclass -- access the devclass of a device SYNOPSIS
#include <sys/param.h> #include <sys/bus.h> devclass_t device_get_devclass(device_t dev); DESCRIPTION
The current devclass associated with the device is returned. If the device has no devclass, NULL is returned. SEE ALSO
devclass(9), device(9) AUTHORS
This manual page was written by Doug Rabson. BSD
June 16, 1998 BSD

Check Out this Related Man Page

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. Beware that this means devclass must be the same for different bus attachments of the same device driver. 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 manual page was written by Doug Rabson. BSD
June 16, 1998 BSD
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