xref: /illumos-gate/usr/src/man/man3devinfo/di_prom_init.3devinfo (revision 8226594fdd4479be135127f43632f1f995074654)
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Copyright (c) 1998, Sun Microsystems, Inc. All Rights Reserved
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
DI_PROM_INIT 3DEVINFO "Dec 1, 1998"
NAME
di_prom_init, di_prom_fini - create and destroy a handle to the PROM device information
SYNOPSIS

cc [ flag... ] file... -ldevinfo [ library... ]
#include <libdevinfo.h>

di_prom_handle_t di_prom_init(void);

void di_prom_fini(di_prom_handle_t ph);
PARAMETERS
ph

Handle to prom returned by di_prom_init().

DESCRIPTION

For device nodes whose nodeid value is DI_PROM_NODEID (see di_nodeid(3DEVINFO)), additional properties can be retrieved from the PROM. The di_prom_init() function returns a handle that is used to retrieve such properties. This handle is passed to di_prom_prop_lookup_bytes(3DEVINFO) and di_prom_prop_next(3DEVINFO).

The di_prom_fini() function destroys the handle and all handles to the PROM device information obtained from that handle.

RETURN VALUES

Upon successful completion, di_prom_init() returns a handle. Otherwise, DI_PROM_HANDLE_NIL is returned and errno is set to indicate the error.

ERRORS

The di_prom_init() sets errno function to any error code that can also be set by openprom(4D) or malloc(3C).

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Evolving
MT-Level Safe
SEE ALSO

malloc (3C), di_nodeid (3DEVINFO), di_prom_prop_lookup_bytes (3DEVINFO), di_prom_prop_next (3DEVINFO), libdevinfo (3LIB), openprom (4D), attributes (7)