xref: /titanic_52/usr/src/cmd/fm/fmd/common/fmd_api.h (revision 749f21d359d8fbd020c974a1a5227316221bfc9c)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 #ifndef	_FMD_API_H
29 #define	_FMD_API_H
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 #include <sys/types.h>
34 #include <libnvpair.h>
35 #include <stdarg.h>
36 
37 #ifdef	__cplusplus
38 extern "C" {
39 #endif
40 
41 /*
42  * Fault Management Daemon Client Interfaces
43  *
44  * Note: The contents of this file are private to the implementation of the
45  * Solaris system and FMD subsystem and are subject to change at any time
46  * without notice.  Applications and drivers using these interfaces will fail
47  * to run on future releases.  These interfaces should not be used for any
48  * purpose until they are publicly documented for use outside of Sun.
49  */
50 
51 #define	FMD_API_VERSION_1	1
52 #define	FMD_API_VERSION_2	2
53 #define	FMD_API_VERSION_3	3
54 
55 #define	FMD_API_VERSION		FMD_API_VERSION_3
56 
57 typedef struct fmd_hdl fmd_hdl_t;
58 typedef struct fmd_event fmd_event_t;
59 typedef struct fmd_case fmd_case_t;
60 typedef struct fmd_xprt fmd_xprt_t;
61 
62 #define	FMD_B_FALSE	0		/* false value for booleans as int */
63 #define	FMD_B_TRUE	1		/* true value for booleans as int */
64 
65 #ifndef	MIN
66 #define	MIN(x, y) ((x) < (y) ? (x) : (y))
67 #endif
68 
69 #ifndef	MAX
70 #define	MAX(x, y) ((x) > (y) ? (x) : (y))
71 #endif
72 
73 #define	FMD_TYPE_BOOL	0		/* int */
74 #define	FMD_TYPE_INT32	1		/* int32_t */
75 #define	FMD_TYPE_UINT32	2		/* uint32_t */
76 #define	FMD_TYPE_INT64	3		/* int64_t */
77 #define	FMD_TYPE_UINT64	4		/* uint64_t */
78 #define	FMD_TYPE_STRING	5		/* const char* */
79 #define	FMD_TYPE_TIME	6		/* uint64_t */
80 #define	FMD_TYPE_SIZE	7		/* uint64_t */
81 
82 typedef struct fmd_prop {
83 	const char *fmdp_name;		/* property name */
84 	uint_t fmdp_type;		/* property type (see above) */
85 	const char *fmdp_defv;		/* default value */
86 } fmd_prop_t;
87 
88 typedef struct fmd_stat {
89 	char fmds_name[32];		/* statistic name */
90 	uint_t fmds_type;		/* statistic type (see above) */
91 	char fmds_desc[64];		/* statistic description */
92 	union {
93 		int bool;		/* FMD_TYPE_BOOL */
94 		int32_t i32;		/* FMD_TYPE_INT32 */
95 		uint32_t ui32;		/* FMD_TYPE_UINT32 */
96 		int64_t i64;		/* FMD_TYPE_INT64 */
97 		uint64_t ui64;		/* FMD_TYPE_UINT64, TIME, SIZE */
98 		char *str;		/* FMD_TYPE_STRING */
99 	} fmds_value;
100 } fmd_stat_t;
101 
102 typedef struct fmd_hdl_ops {
103 	void (*fmdo_recv)(fmd_hdl_t *, fmd_event_t *, nvlist_t *, const char *);
104 	void (*fmdo_timeout)(fmd_hdl_t *, id_t, void *);
105 	void (*fmdo_close)(fmd_hdl_t *, fmd_case_t *);
106 	void (*fmdo_stats)(fmd_hdl_t *);
107 	void (*fmdo_gc)(fmd_hdl_t *);
108 	int (*fmdo_send)(fmd_hdl_t *, fmd_xprt_t *, fmd_event_t *, nvlist_t *);
109 } fmd_hdl_ops_t;
110 
111 #define	FMD_SEND_SUCCESS	0	/* fmdo_send queued event */
112 #define	FMD_SEND_FAILED		1	/* fmdo_send unrecoverable error */
113 #define	FMD_SEND_RETRY		2	/* fmdo_send requests retry */
114 
115 typedef struct fmd_hdl_info {
116 	const char *fmdi_desc;		/* fmd client description string */
117 	const char *fmdi_vers;		/* fmd client version string */
118 	const fmd_hdl_ops_t *fmdi_ops;	/* ops vector for client */
119 	const fmd_prop_t *fmdi_props;	/* array of configuration props */
120 } fmd_hdl_info_t;
121 
122 extern void _fmd_init(fmd_hdl_t *);
123 extern void _fmd_fini(fmd_hdl_t *);
124 
125 extern int fmd_hdl_register(fmd_hdl_t *, int, const fmd_hdl_info_t *);
126 extern void fmd_hdl_unregister(fmd_hdl_t *);
127 
128 extern void fmd_hdl_subscribe(fmd_hdl_t *, const char *);
129 extern void fmd_hdl_unsubscribe(fmd_hdl_t *, const char *);
130 
131 extern void fmd_hdl_setspecific(fmd_hdl_t *, void *);
132 extern void *fmd_hdl_getspecific(fmd_hdl_t *);
133 
134 extern void fmd_hdl_opendict(fmd_hdl_t *, const char *);
135 
136 #define	FMD_NOSLEEP		0x0	/* do not sleep or retry on failure */
137 #define	FMD_SLEEP		0x1	/* sleep or retry if alloc fails */
138 
139 extern void *fmd_hdl_alloc(fmd_hdl_t *, size_t, int);
140 extern void *fmd_hdl_zalloc(fmd_hdl_t *, size_t, int);
141 extern void fmd_hdl_free(fmd_hdl_t *, void *, size_t);
142 
143 extern char *fmd_hdl_strdup(fmd_hdl_t *, const char *, int);
144 extern void fmd_hdl_strfree(fmd_hdl_t *, char *);
145 
146 extern void fmd_hdl_vabort(fmd_hdl_t *, const char *, va_list);
147 extern void fmd_hdl_abort(fmd_hdl_t *, const char *, ...);
148 
149 extern void fmd_hdl_verror(fmd_hdl_t *, const char *, va_list);
150 extern void fmd_hdl_error(fmd_hdl_t *, const char *, ...);
151 
152 extern void fmd_hdl_vdebug(fmd_hdl_t *, const char *, va_list);
153 extern void fmd_hdl_debug(fmd_hdl_t *, const char *, ...);
154 
155 extern int32_t fmd_prop_get_int32(fmd_hdl_t *, const char *);
156 extern int64_t fmd_prop_get_int64(fmd_hdl_t *, const char *);
157 extern char *fmd_prop_get_string(fmd_hdl_t *, const char *);
158 extern void fmd_prop_free_string(fmd_hdl_t *, char *);
159 
160 #define	FMD_STAT_NOALLOC	0x0	/* fmd should use caller's memory */
161 #define	FMD_STAT_ALLOC		0x1	/* fmd should allocate stats memory */
162 
163 extern fmd_stat_t *fmd_stat_create(fmd_hdl_t *, uint_t, uint_t, fmd_stat_t *);
164 extern void fmd_stat_destroy(fmd_hdl_t *, uint_t, fmd_stat_t *);
165 extern void fmd_stat_setstr(fmd_hdl_t *, fmd_stat_t *, const char *);
166 
167 extern fmd_case_t *fmd_case_open(fmd_hdl_t *, void *);
168 extern void fmd_case_reset(fmd_hdl_t *, fmd_case_t *);
169 extern void fmd_case_solve(fmd_hdl_t *, fmd_case_t *);
170 extern void fmd_case_close(fmd_hdl_t *, fmd_case_t *);
171 
172 extern const char *fmd_case_uuid(fmd_hdl_t *, fmd_case_t *);
173 extern fmd_case_t *fmd_case_uulookup(fmd_hdl_t *, const char *);
174 extern void fmd_case_uuclose(fmd_hdl_t *, const char *);
175 extern int fmd_case_uuclosed(fmd_hdl_t *, const char *);
176 
177 extern int fmd_case_solved(fmd_hdl_t *, fmd_case_t *);
178 extern int fmd_case_closed(fmd_hdl_t *, fmd_case_t *);
179 
180 extern void fmd_case_add_ereport(fmd_hdl_t *, fmd_case_t *, fmd_event_t *);
181 extern void fmd_case_add_serd(fmd_hdl_t *, fmd_case_t *, const char *);
182 extern void fmd_case_add_suspect(fmd_hdl_t *, fmd_case_t *, nvlist_t *);
183 
184 extern void fmd_case_setspecific(fmd_hdl_t *, fmd_case_t *, void *);
185 extern void *fmd_case_getspecific(fmd_hdl_t *, fmd_case_t *);
186 
187 extern void fmd_case_setprincipal(fmd_hdl_t *, fmd_case_t *, fmd_event_t *);
188 extern fmd_event_t *fmd_case_getprincipal(fmd_hdl_t *, fmd_case_t *);
189 
190 extern fmd_case_t *fmd_case_next(fmd_hdl_t *, fmd_case_t *);
191 extern fmd_case_t *fmd_case_prev(fmd_hdl_t *, fmd_case_t *);
192 
193 extern void fmd_buf_create(fmd_hdl_t *, fmd_case_t *, const char *, size_t);
194 extern void fmd_buf_destroy(fmd_hdl_t *, fmd_case_t *, const char *);
195 extern void fmd_buf_read(fmd_hdl_t *, fmd_case_t *,
196     const char *, void *, size_t);
197 extern void fmd_buf_write(fmd_hdl_t *, fmd_case_t *,
198     const char *, const void *, size_t);
199 extern size_t fmd_buf_size(fmd_hdl_t *, fmd_case_t *, const char *);
200 
201 extern void fmd_serd_create(fmd_hdl_t *, const char *, uint_t, hrtime_t);
202 extern void fmd_serd_destroy(fmd_hdl_t *, const char *);
203 extern int fmd_serd_exists(fmd_hdl_t *, const char *);
204 extern void fmd_serd_reset(fmd_hdl_t *, const char *);
205 extern int fmd_serd_record(fmd_hdl_t *, const char *, fmd_event_t *);
206 extern int fmd_serd_fired(fmd_hdl_t *, const char *);
207 extern int fmd_serd_empty(fmd_hdl_t *, const char *);
208 
209 extern pthread_t fmd_thr_create(fmd_hdl_t *, void (*)(void *), void *);
210 extern void fmd_thr_destroy(fmd_hdl_t *, pthread_t);
211 extern void fmd_thr_signal(fmd_hdl_t *, pthread_t);
212 
213 extern id_t fmd_timer_install(fmd_hdl_t *, void *, fmd_event_t *, hrtime_t);
214 extern void fmd_timer_remove(fmd_hdl_t *, id_t);
215 
216 extern nvlist_t *fmd_nvl_create_fault(fmd_hdl_t *,
217     const char *, uint8_t, nvlist_t *, nvlist_t *, nvlist_t *);
218 
219 extern int fmd_nvl_class_match(fmd_hdl_t *, nvlist_t *, const char *);
220 extern int fmd_nvl_fmri_expand(fmd_hdl_t *, nvlist_t *);
221 extern int fmd_nvl_fmri_present(fmd_hdl_t *, nvlist_t *);
222 extern int fmd_nvl_fmri_unusable(fmd_hdl_t *, nvlist_t *);
223 extern int fmd_nvl_fmri_contains(fmd_hdl_t *, nvlist_t *, nvlist_t *);
224 extern nvlist_t *fmd_nvl_fmri_translate(fmd_hdl_t *, nvlist_t *, nvlist_t *);
225 
226 extern int fmd_event_local(fmd_hdl_t *, fmd_event_t *);
227 
228 #define	FMD_XPRT_RDONLY		0x1	/* transport is read-only */
229 #define	FMD_XPRT_RDWR		0x3	/* transport is read-write */
230 #define	FMD_XPRT_ACCEPT		0x4	/* transport is accepting connection */
231 #define	FMD_XPRT_SUSPENDED	0x8	/* transport starts suspended */
232 
233 extern fmd_xprt_t *fmd_xprt_open(fmd_hdl_t *, uint_t, nvlist_t *, void *);
234 extern void fmd_xprt_close(fmd_hdl_t *, fmd_xprt_t *);
235 extern void fmd_xprt_post(fmd_hdl_t *, fmd_xprt_t *, nvlist_t *, hrtime_t);
236 extern void fmd_xprt_suspend(fmd_hdl_t *, fmd_xprt_t *);
237 extern void fmd_xprt_resume(fmd_hdl_t *, fmd_xprt_t *);
238 extern int fmd_xprt_error(fmd_hdl_t *, fmd_xprt_t *);
239 extern nvlist_t *fmd_xprt_translate(fmd_hdl_t *, fmd_xprt_t *, fmd_event_t *);
240 extern void fmd_xprt_setspecific(fmd_hdl_t *, fmd_xprt_t *, void *);
241 extern void *fmd_xprt_getspecific(fmd_hdl_t *, fmd_xprt_t *);
242 
243 #ifdef	__cplusplus
244 }
245 #endif
246 
247 #endif	/* _FMD_API_H */
248