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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* 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]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DACF_IMPL_H
#define _DACF_IMPL_H
/*
* Implementation-Private definitions for Device autoconfiguration (dacf)
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/dacf.h>
typedef struct dacf_module {
char *dm_name; /* module name */
krwlock_t dm_lock; /* module lock */
int dm_loaded; /* whether dm_opsets is valid */
dacf_opset_t *dm_opsets; /* null-terminated array of op-sets */
} dacf_module_t;
#define DACF_RULE_HASHSIZE 8
#define DACF_MODULE_HASHSIZE 8
#define DACF_INFO_HASHSIZE 16
/*
* Flags to dacf_process_rsrvs
*/
#define DACF_PROC_INVOKE 0x0001
#define DACF_PROC_RELE 0x0002
typedef enum dacf_devspec {
DACF_DS_ERROR = -1, /* error state */
DACF_DS_MIN_NT = 1, /* match minor node-type */
DACF_DS_DRV_MNAME = 2, /* match driver minor name */
DACF_DS_DEV_PATH = 3 /* match device path */
} dacf_devspec_t;
#define DACF_NUM_DEVSPECS 3
typedef struct dacf_arg {
char *arg_name; /* operation argument name */
char *arg_val; /* operation argument value */
struct dacf_arg *arg_next; /* next arg in chain */
} dacf_arg_t;
typedef struct dacf_rule {
char *r_devspec_data; /* the dev-spec data to match against */
char *r_module; /* module implementing the operation */
char *r_opset; /* opset in module that impls. op */
dacf_opid_t r_opid; /* operation id for this rule */
uint_t r_opts; /* reserved for options */
uint_t r_refs; /* reference count */
dacf_arg_t *r_args; /* linked list of operation arguments */
} dacf_rule_t;
typedef struct dacf_rsrvlist {
dacf_rule_t *rsrv_rule; /* the rule being reserved for later */
dacf_infohdl_t rsrv_ihdl;
int rsrv_result; /* retval of the last invoke */
struct dacf_rsrvlist *rsrv_next;
} dacf_rsrvlist_t;
#ifdef _KERNEL
extern kmutex_t dacf_lock;
int dacf_module_register(char *, struct dacfsw *);
int dacf_module_unregister(char *);
int dacf_arg_insert(dacf_arg_t **, char *, char *);
void dacf_arglist_delete(dacf_arg_t **);
void dacf_init(void);
int read_dacf_binding_file(char *);
void dacf_clear_rules(void);
dacf_devspec_t dacf_get_devspec(char *);
const char *dacf_devspec_to_str(dacf_devspec_t);
dacf_opid_t dacf_get_op(char *);
const char *dacf_opid_to_str(dacf_opid_t);
int dacf_getopt(char *, uint_t *);
int dacf_rule_insert(dacf_devspec_t, char *, char *, char *,
dacf_opid_t, uint_t, dacf_arg_t *);
void dacf_rule_hold(dacf_rule_t *);
void dacf_rule_rele(dacf_rule_t *);
struct ddi_minor_data;
void dacf_rsrv_make(dacf_rsrvlist_t *, dacf_rule_t *, void *,
dacf_rsrvlist_t **);
void dacf_process_rsrvs(dacf_rsrvlist_t **, dacf_opid_t, int);
void dacf_clr_rsrvs(dev_info_t *, dacf_opid_t);
dacf_rule_t *dacf_match(dacf_opid_t, dacf_devspec_t, void *);
/*
* Failure codes from dacf_op_invoke, assigned to dacf_rsrvlist_t.rsrv_result
*/
#define DACF_ERR_MOD_NOTFOUND -1
#define DACF_ERR_OPSET_NOTFOUND -2
#define DACF_ERR_OP_NOTFOUND -3
#define DACF_ERR_OP_FAILED -4
int dacf_op_invoke(dacf_rule_t *, dacf_infohdl_t, int);
/*
* Debugging support
*/
#define DACF_DBG_MSGS 0x00000001
#define DACF_DBG_DEVI 0x00000002
extern int dacfdebug;
/*
* dacf client support: definitions pertaining to the various kernel hooks
* that utilize the dacf framework
*/
void dacfc_match_create_minor(char *, char *, dev_info_t *,
struct ddi_minor_data *, int);
int dacfc_postattach(dev_info_t *);
int dacfc_predetach(dev_info_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _DACF_IMPL_H */
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