xref: /titanic_44/usr/src/uts/common/sys/dacf.h (revision d62bc4badc1c1f1549c961cfb8b420e650e1272b)
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
36  extern "C" {
37  #endif
38  
39  #include <sys/types.h>
40  
41  #define	DACF_MODREV_1		1	/* interface version # */
42  
43  typedef void* dacf_arghdl_t;
44  typedef void* dacf_infohdl_t;
45  
46  typedef 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  
55  typedef 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  
60  typedef 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  
65  struct dacfsw {
66  	int		dacf_rev;	/* dacf interface revision #	*/
67  	dacf_opset_t	*dacf_opsets;	/* op-sets in this module	*/
68  };
69  
70  extern struct dacfsw kmod_dacfsw;	/* kernel provided module */
71  
72  /*
73   * DACF client interface
74   */
75  
76  const char *dacf_minor_name(dacf_infohdl_t);
77  minor_t dacf_minor_number(dacf_infohdl_t);
78  dev_t dacf_get_dev(dacf_infohdl_t);
79  const char *dacf_driver_name(dacf_infohdl_t);
80  dev_info_t *dacf_devinfo_node(dacf_infohdl_t);
81  const char *dacf_get_arg(dacf_arghdl_t, char *);
82  
83  void dacf_store_info(dacf_infohdl_t, void *);
84  void *dacf_retrieve_info(dacf_infohdl_t);
85  
86  struct 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