freebsd-skq/share/man/man9/devclass_get_drivers.9
njl 8a0ce01e92 Add devclass_get_drivers(9) which provides an array of pointers to driver
instances in a given devclass.  This is useful for systems that want to
call code in driver static methods, similar to device_identify().

Reviewed by:	dfr
MFC after:	2 weeks
2005-04-04 15:26:51 +00:00

58 lines
2.1 KiB
Groff

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.\" Copyright (c) 2005 Nate Lawson
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.Dd April 3, 2005
.Dt DEVCLASS_GET_DRIVERS 9
.Os
.Sh NAME
.Nm devclass_get_drivers
.Nd get a list of drivers in a devclass
.Sh SYNOPSIS
.In sys/param.h
.In sys/bus.h
.Ft int
.Fn devclass_get_drivers "devclass_t dc" "driver_t ***listp" "int *countp"
.Sh DESCRIPTION
Retrieve a list of pointers to all driver instances currently in the
devclass and return the list in
.Fa *listp
and the number of drivers in the list in
.Fa *countp .
The memory allocated for the list should be freed using
.Fn free "*listp" "M_TEMP" .
.Sh RETURN VALUES
Zero is returned on success, otherwise an appropriate error is returned.
.Sh SEE ALSO
.Xr devclass 9 ,
.Xr device 9
.Sh AUTHORS
This man page was written by
.An Nate Lawson .