dacf.h revision 5895:f251acdd9bdc 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_DACF_H
27#define	_DACF_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31/*
32 * Device autoconfiguration framework (dacf)
33 */
34
35#ifdef	__cplusplus
36extern "C" {
37#endif
38
39#include <sys/types.h>
40
41#define	DACF_MODREV_1		1	/* interface version # */
42
43typedef void* dacf_arghdl_t;
44typedef void* dacf_infohdl_t;
45
46typedef enum {
47	DACF_OPID_ERROR = -1,
48	DACF_OPID_END = 0,		/* mark end of array of dacf_op's */
49	DACF_OPID_POSTATTACH = 1,	/* operate after a driver attaches */
50	DACF_OPID_PREDETACH = 2		/* operate before a driver detaches */
51} dacf_opid_t;
52
53#define	DACF_NUM_OPIDS 2
54
55typedef struct dacf_op {
56	dacf_opid_t op_id;		/* operation id */
57	int (*op_func)(dacf_infohdl_t, dacf_arghdl_t, int);
58} dacf_op_t;
59
60typedef struct dacf_opset {
61	char *opset_name;		/* name of this op-set */
62	dacf_op_t *opset_ops;		/* null-terminated array of ops */
63} dacf_opset_t;
64
65struct dacfsw {
66	int		dacf_rev;	/* dacf interface revision #	*/
67	dacf_opset_t	*dacf_opsets;	/* op-sets in this module	*/
68};
69
70extern struct dacfsw kmod_dacfsw;	/* kernel provided module */
71
72/*
73 * DACF client interface
74 */
75
76const char *dacf_minor_name(dacf_infohdl_t);
77minor_t dacf_minor_number(dacf_infohdl_t);
78dev_t dacf_get_dev(dacf_infohdl_t);
79const char *dacf_driver_name(dacf_infohdl_t);
80dev_info_t *dacf_devinfo_node(dacf_infohdl_t);
81const char *dacf_get_arg(dacf_arghdl_t, char *);
82
83void dacf_store_info(dacf_infohdl_t, void *);
84void *dacf_retrieve_info(dacf_infohdl_t);
85
86struct vnode *dacf_makevp(dacf_infohdl_t);
87
88/*
89 * Error codes for configuration operations
90 */
91#define	DACF_SUCCESS		0
92#define	DACF_FAILURE		-1
93
94#ifdef __cplusplus
95}
96#endif
97
98#endif /* _DACF_H */
99