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      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