xref: /titanic_51/usr/src/cmd/fm/fmd/common/fmd_api.h (revision a776e90690d98f629ab57f6493ff5949af9d65bd)
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 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_FMD_API_H
28 #define	_FMD_API_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <libnvpair.h>
34 #include <stdarg.h>
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 /*
41  * Fault Management Daemon Client Interfaces
42  *
43  * Note: The contents of this file are private to the implementation of the
44  * Solaris system and FMD subsystem and are subject to change at any time
45  * without notice.  Applications and drivers using these interfaces will fail
46  * to run on future releases.  These interfaces should not be used for any
47  * purpose until they are publicly documented for use outside of Sun.
48  */
49 
50 #define	FMD_API_VERSION_1	1
51 #define	FMD_API_VERSION_2	2
52 #define	FMD_API_VERSION_3	3
53 #define	FMD_API_VERSION_4	4
54 
55 #define	FMD_API_VERSION		FMD_API_VERSION_4
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 struct topo_hdl;
63 
64 #define	FMD_B_FALSE	0		/* false value for booleans as int */
65 #define	FMD_B_TRUE	1		/* true value for booleans as int */
66 
67 #ifndef	MIN
68 #define	MIN(x, y) ((x) < (y) ? (x) : (y))
69 #endif
70 
71 #ifndef	MAX
72 #define	MAX(x, y) ((x) > (y) ? (x) : (y))
73 #endif
74 
75 #define	FMD_TYPE_BOOL	0		/* int */
76 #define	FMD_TYPE_INT32	1		/* int32_t */
77 #define	FMD_TYPE_UINT32	2		/* uint32_t */
78 #define	FMD_TYPE_INT64	3		/* int64_t */
79 #define	FMD_TYPE_UINT64	4		/* uint64_t */
80 #define	FMD_TYPE_STRING	5		/* const char* */
81 #define	FMD_TYPE_TIME	6		/* uint64_t */
82 #define	FMD_TYPE_SIZE	7		/* uint64_t */
83 
84 typedef struct fmd_prop {
85 	const char *fmdp_name;		/* property name */
86 	uint_t fmdp_type;		/* property type (see above) */
87 	const char *fmdp_defv;		/* default value */
88 } fmd_prop_t;
89 
90 typedef struct fmd_stat {
91 	char fmds_name[32];		/* statistic name */
92 	uint_t fmds_type;		/* statistic type (see above) */
93 	char fmds_desc[64];		/* statistic description */
94 	union {
95 		int bool;		/* FMD_TYPE_BOOL */
96 		int32_t i32;		/* FMD_TYPE_INT32 */
97 		uint32_t ui32;		/* FMD_TYPE_UINT32 */
98 		int64_t i64;		/* FMD_TYPE_INT64 */
99 		uint64_t ui64;		/* FMD_TYPE_UINT64, TIME, SIZE */
100 		char *str;		/* FMD_TYPE_STRING */
101 	} fmds_value;
102 } fmd_stat_t;
103 
104 typedef struct fmd_hdl_ops {
105 	void (*fmdo_recv)(fmd_hdl_t *, fmd_event_t *, nvlist_t *, const char *);
106 	void (*fmdo_timeout)(fmd_hdl_t *, id_t, void *);
107 	void (*fmdo_close)(fmd_hdl_t *, fmd_case_t *);
108 	void (*fmdo_stats)(fmd_hdl_t *);
109 	void (*fmdo_gc)(fmd_hdl_t *);
110 	int (*fmdo_send)(fmd_hdl_t *, fmd_xprt_t *, fmd_event_t *, nvlist_t *);
111 	void (*fmdo_topo)(fmd_hdl_t *, struct topo_hdl *);
112 } fmd_hdl_ops_t;
113 
114 #define	FMD_SEND_SUCCESS	0	/* fmdo_send queued event */
115 #define	FMD_SEND_FAILED		1	/* fmdo_send unrecoverable error */
116 #define	FMD_SEND_RETRY		2	/* fmdo_send requests retry */
117 
118 typedef struct fmd_hdl_info {
119 	const char *fmdi_desc;		/* fmd client description string */
120 	const char *fmdi_vers;		/* fmd client version string */
121 	const fmd_hdl_ops_t *fmdi_ops;	/* ops vector for client */
122 	const fmd_prop_t *fmdi_props;	/* array of configuration props */
123 } fmd_hdl_info_t;
124 
125 extern void _fmd_init(fmd_hdl_t *);
126 extern void _fmd_fini(fmd_hdl_t *);
127 
128 extern int fmd_hdl_register(fmd_hdl_t *, int, const fmd_hdl_info_t *);
129 extern void fmd_hdl_unregister(fmd_hdl_t *);
130 
131 extern void fmd_hdl_subscribe(fmd_hdl_t *, const char *);
132 extern void fmd_hdl_unsubscribe(fmd_hdl_t *, const char *);
133 
134 extern void fmd_hdl_setspecific(fmd_hdl_t *, void *);
135 extern void *fmd_hdl_getspecific(fmd_hdl_t *);
136 
137 extern void fmd_hdl_opendict(fmd_hdl_t *, const char *);
138 extern struct topo_hdl *fmd_hdl_topo_hold(fmd_hdl_t *, int);
139 extern void fmd_hdl_topo_rele(fmd_hdl_t *, struct topo_hdl *);
140 
141 #define	FMD_NOSLEEP		0x0	/* do not sleep or retry on failure */
142 #define	FMD_SLEEP		0x1	/* sleep or retry if alloc fails */
143 
144 extern void *fmd_hdl_alloc(fmd_hdl_t *, size_t, int);
145 extern void *fmd_hdl_zalloc(fmd_hdl_t *, size_t, int);
146 extern void fmd_hdl_free(fmd_hdl_t *, void *, size_t);
147 
148 extern char *fmd_hdl_strdup(fmd_hdl_t *, const char *, int);
149 extern void fmd_hdl_strfree(fmd_hdl_t *, char *);
150 
151 extern void fmd_hdl_vabort(fmd_hdl_t *, const char *, va_list) __NORETURN;
152 extern void fmd_hdl_abort(fmd_hdl_t *, const char *, ...) __NORETURN;
153 
154 extern void fmd_hdl_verror(fmd_hdl_t *, const char *, va_list);
155 extern void fmd_hdl_error(fmd_hdl_t *, const char *, ...);
156 
157 extern void fmd_hdl_vdebug(fmd_hdl_t *, const char *, va_list);
158 extern void fmd_hdl_debug(fmd_hdl_t *, const char *, ...);
159 
160 extern int32_t fmd_prop_get_int32(fmd_hdl_t *, const char *);
161 extern int64_t fmd_prop_get_int64(fmd_hdl_t *, const char *);
162 extern char *fmd_prop_get_string(fmd_hdl_t *, const char *);
163 extern void fmd_prop_free_string(fmd_hdl_t *, char *);
164 
165 #define	FMD_STAT_NOALLOC	0x0	/* fmd should use caller's memory */
166 #define	FMD_STAT_ALLOC		0x1	/* fmd should allocate stats memory */
167 
168 extern fmd_stat_t *fmd_stat_create(fmd_hdl_t *, uint_t, uint_t, fmd_stat_t *);
169 extern void fmd_stat_destroy(fmd_hdl_t *, uint_t, fmd_stat_t *);
170 extern void fmd_stat_setstr(fmd_hdl_t *, fmd_stat_t *, const char *);
171 
172 extern fmd_case_t *fmd_case_open(fmd_hdl_t *, void *);
173 extern void fmd_case_reset(fmd_hdl_t *, fmd_case_t *);
174 extern void fmd_case_solve(fmd_hdl_t *, fmd_case_t *);
175 extern void fmd_case_close(fmd_hdl_t *, fmd_case_t *);
176 
177 extern const char *fmd_case_uuid(fmd_hdl_t *, fmd_case_t *);
178 extern fmd_case_t *fmd_case_uulookup(fmd_hdl_t *, const char *);
179 extern void fmd_case_uuclose(fmd_hdl_t *, const char *);
180 extern int fmd_case_uuclosed(fmd_hdl_t *, const char *);
181 
182 extern int fmd_case_solved(fmd_hdl_t *, fmd_case_t *);
183 extern int fmd_case_closed(fmd_hdl_t *, fmd_case_t *);
184 
185 extern void fmd_case_add_ereport(fmd_hdl_t *, fmd_case_t *, fmd_event_t *);
186 extern void fmd_case_add_serd(fmd_hdl_t *, fmd_case_t *, const char *);
187 extern void fmd_case_add_suspect(fmd_hdl_t *, fmd_case_t *, nvlist_t *);
188 
189 extern void fmd_case_setspecific(fmd_hdl_t *, fmd_case_t *, void *);
190 extern void *fmd_case_getspecific(fmd_hdl_t *, fmd_case_t *);
191 
192 extern void fmd_case_setprincipal(fmd_hdl_t *, fmd_case_t *, fmd_event_t *);
193 extern fmd_event_t *fmd_case_getprincipal(fmd_hdl_t *, fmd_case_t *);
194 
195 extern fmd_case_t *fmd_case_next(fmd_hdl_t *, fmd_case_t *);
196 extern fmd_case_t *fmd_case_prev(fmd_hdl_t *, fmd_case_t *);
197 
198 extern void fmd_buf_create(fmd_hdl_t *, fmd_case_t *, const char *, size_t);
199 extern void fmd_buf_destroy(fmd_hdl_t *, fmd_case_t *, const char *);
200 extern void fmd_buf_read(fmd_hdl_t *, fmd_case_t *,
201     const char *, void *, size_t);
202 extern void fmd_buf_write(fmd_hdl_t *, fmd_case_t *,
203     const char *, const void *, size_t);
204 extern size_t fmd_buf_size(fmd_hdl_t *, fmd_case_t *, const char *);
205 
206 extern void fmd_serd_create(fmd_hdl_t *, const char *, uint_t, hrtime_t);
207 extern void fmd_serd_destroy(fmd_hdl_t *, const char *);
208 extern int fmd_serd_exists(fmd_hdl_t *, const char *);
209 extern void fmd_serd_reset(fmd_hdl_t *, const char *);
210 extern int fmd_serd_record(fmd_hdl_t *, const char *, fmd_event_t *);
211 extern int fmd_serd_fired(fmd_hdl_t *, const char *);
212 extern int fmd_serd_empty(fmd_hdl_t *, const char *);
213 
214 extern pthread_t fmd_thr_create(fmd_hdl_t *, void (*)(void *), void *);
215 extern void fmd_thr_destroy(fmd_hdl_t *, pthread_t);
216 extern void fmd_thr_signal(fmd_hdl_t *, pthread_t);
217 
218 extern id_t fmd_timer_install(fmd_hdl_t *, void *, fmd_event_t *, hrtime_t);
219 extern void fmd_timer_remove(fmd_hdl_t *, id_t);
220 
221 extern nvlist_t *fmd_nvl_create_fault(fmd_hdl_t *,
222     const char *, uint8_t, nvlist_t *, nvlist_t *, nvlist_t *);
223 
224 extern int fmd_nvl_class_match(fmd_hdl_t *, nvlist_t *, const char *);
225 extern int fmd_nvl_fmri_expand(fmd_hdl_t *, nvlist_t *);
226 extern int fmd_nvl_fmri_present(fmd_hdl_t *, nvlist_t *);
227 extern int fmd_nvl_fmri_unusable(fmd_hdl_t *, nvlist_t *);
228 extern int fmd_nvl_fmri_faulty(fmd_hdl_t *, nvlist_t *);
229 extern int fmd_nvl_fmri_contains(fmd_hdl_t *, nvlist_t *, nvlist_t *);
230 extern nvlist_t *fmd_nvl_fmri_translate(fmd_hdl_t *, nvlist_t *, nvlist_t *);
231 
232 extern int fmd_event_local(fmd_hdl_t *, fmd_event_t *);
233 extern uint64_t fmd_event_ena_create(fmd_hdl_t *);
234 
235 
236 #define	FMD_XPRT_RDONLY		0x1	/* transport is read-only */
237 #define	FMD_XPRT_RDWR		0x3	/* transport is read-write */
238 #define	FMD_XPRT_ACCEPT		0x4	/* transport is accepting connection */
239 #define	FMD_XPRT_SUSPENDED	0x8	/* transport starts suspended */
240 
241 extern fmd_xprt_t *fmd_xprt_open(fmd_hdl_t *, uint_t, nvlist_t *, void *);
242 extern void fmd_xprt_close(fmd_hdl_t *, fmd_xprt_t *);
243 extern void fmd_xprt_post(fmd_hdl_t *, fmd_xprt_t *, nvlist_t *, hrtime_t);
244 extern void fmd_xprt_suspend(fmd_hdl_t *, fmd_xprt_t *);
245 extern void fmd_xprt_resume(fmd_hdl_t *, fmd_xprt_t *);
246 extern int fmd_xprt_error(fmd_hdl_t *, fmd_xprt_t *);
247 extern nvlist_t *fmd_xprt_translate(fmd_hdl_t *, fmd_xprt_t *, fmd_event_t *);
248 extern void fmd_xprt_setspecific(fmd_hdl_t *, fmd_xprt_t *, void *);
249 extern void *fmd_xprt_getspecific(fmd_hdl_t *, fmd_xprt_t *);
250 
251 #ifdef	__cplusplus
252 }
253 #endif
254 
255 #endif	/* _FMD_API_H */
256