xref: /illumos-gate/usr/src/lib/fm/topo/libtopo/common/topo_mod.h (revision b0fe7b8fa79924061f3bdf7f240ea116c2c0b704)
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 _TOPO_MOD_H
28 #define	_TOPO_MOD_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <fm/libtopo.h>
33 #include <fm/topo_hc.h>
34 #include <libnvpair.h>
35 #include <libdevinfo.h>
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 /*
42  * Enumerator and method supplier module API
43  */
44 typedef struct topo_mod topo_mod_t;
45 
46 typedef int topo_method_f(topo_mod_t *, tnode_t *, topo_version_t, nvlist_t *,
47     nvlist_t **);
48 typedef int topo_enum_f(topo_mod_t *, tnode_t *, const char *, topo_instance_t,
49     topo_instance_t, void *, void *);
50 typedef void topo_release_f(topo_mod_t *, tnode_t *);
51 
52 typedef struct topo_method {
53 	const char *tm_name;			/* Method name */
54 	const char *tm_desc;			/* Method description */
55 	const topo_version_t tm_version;	/* Method version */
56 	const topo_stability_t tm_stability;	/* Attributes of method */
57 	topo_method_f *tm_func;			/* Method function */
58 } topo_method_t;
59 
60 typedef struct topo_modops {
61 	topo_enum_f *tmo_enum;		/* enumeration op */
62 	topo_release_f *tmo_release;	/* resource release op */
63 } topo_modops_t;
64 
65 typedef struct topo_mod_info {
66 	const char *tmi_desc;		/* module description */
67 	const char *tmi_scheme;		/* enumeration scheme type  */
68 	topo_version_t tmi_version;	/* module version */
69 	const topo_modops_t *tmi_ops;	/* module ops vector */
70 } topo_modinfo_t;
71 
72 extern topo_mod_t *topo_mod_load(topo_mod_t *, const char *, topo_version_t);
73 extern void topo_mod_unload(topo_mod_t *);
74 extern int topo_mod_register(topo_mod_t *, const topo_modinfo_t *,
75     topo_version_t);
76 extern void topo_mod_unregister(topo_mod_t *);
77 extern int topo_mod_enumerate(topo_mod_t *, tnode_t *, const char *,
78     const char *, topo_instance_t, topo_instance_t, void *);
79 extern int topo_mod_enummap(topo_mod_t *mod, tnode_t *, const char *,
80     const char *);
81 extern void topo_mod_release(topo_mod_t *, tnode_t *);
82 extern void topo_mod_setspecific(topo_mod_t *, void *);
83 extern void *topo_mod_getspecific(topo_mod_t *);
84 
85 extern nvlist_t *topo_mod_cpufmri(topo_mod_t *, int, uint32_t, uint8_t,
86     const char *);
87 extern nvlist_t *topo_mod_devfmri(topo_mod_t *, int, const char *,
88     const char *);
89 extern nvlist_t *topo_mod_hcfmri(topo_mod_t *, tnode_t *, int, const char *,
90     topo_instance_t, nvlist_t *, nvlist_t *, const char *, const char *,
91     const char *);
92 extern nvlist_t *topo_mod_memfmri(topo_mod_t *, int, uint64_t, uint64_t,
93     const char *, int);
94 extern nvlist_t *topo_mod_modfmri(topo_mod_t *, int, const char *);
95 extern nvlist_t *topo_mod_pkgfmri(topo_mod_t *, int, const char *);
96 extern int topo_mod_nvl2str(topo_mod_t *, nvlist_t *, char **);
97 extern int topo_mod_str2nvl(topo_mod_t *, const char *,  nvlist_t **);
98 
99 /*
100  * Flags for topo_mod_memfmri
101  */
102 #define	TOPO_MEMFMRI_PA		0x0001	/* Valid physical address */
103 #define	TOPO_MEMFMRI_OFFSET	0x0002	/* Valid offset */
104 
105 extern int topo_method_register(topo_mod_t *, tnode_t *, const topo_method_t *);
106 extern void topo_method_unregister(topo_mod_t *, tnode_t *, const char *);
107 extern void topo_method_unregister_all(topo_mod_t *, tnode_t *);
108 
109 extern di_node_t topo_mod_devinfo(topo_mod_t *);
110 extern di_prom_handle_t topo_mod_prominfo(topo_mod_t *);
111 extern nvlist_t *topo_mod_auth(topo_mod_t *, tnode_t *);
112 
113 /*
114  * FMRI methods
115  */
116 #define	TOPO_METH_LABEL			"topo_label"
117 #define	TOPO_METH_LABEL_DESC		"Dynamic label discovery"
118 #define	TOPO_METH_LABEL_VERSION0	0
119 #define	TOPO_METH_LABEL_VERSION		TOPO_METH_LABEL_VERSION0
120 #define	TOPO_METH_LABEL_ARG_NVL	"label-specific"
121 #define	TOPO_METH_LABEL_RET_STR	"label-string"
122 
123 #define	TOPO_METH_PRESENT		"topo_present"
124 #define	TOPO_METH_PRESENT_DESC		"Dynamic label discovery"
125 #define	TOPO_METH_PRESENT_VERSION0	0
126 #define	TOPO_METH_PRESENT_VERSION	TOPO_METH_PRESENT_VERSION0
127 #define	TOPO_METH_PRESENT_RET		"present-ret"
128 
129 #define	TOPO_METH_UNUSABLE		"topo_unusable"
130 #define	TOPO_METH_UNUSABLE_DESC		"FMRI is unusable"
131 #define	TOPO_METH_UNUSABLE_VERSION0	0
132 #define	TOPO_METH_UNUSABLE_VERSION	TOPO_METH_UNUSABLE_VERSION0
133 #define	TOPO_METH_UNUSABLE_RET		"unusable-ret"
134 
135 #define	TOPO_METH_EXPAND		"topo_expand"
136 #define	TOPO_METH_EXPAND_DESC		"expand FMRI"
137 #define	TOPO_METH_EXPAND_VERSION0	0
138 #define	TOPO_METH_EXPAND_VERSION	TOPO_METH_EXPAND_VERSION0
139 
140 #define	TOPO_METH_ASRU_COMPUTE		"topo_asru_compute"
141 #define	TOPO_METH_ASRU_COMPUTE_VERSION	0
142 #define	TOPO_METH_ASRU_COMPUTE_DESC	"Dynamic ASRU constructor"
143 
144 #define	TOPO_METH_FRU_COMPUTE		"topo_fru_compute"
145 #define	TOPO_METH_FRU_COMPUTE_VERSION	0
146 #define	TOPO_METH_FRU_COMPUTE_DESC	"Dynamic FRU constructor"
147 
148 extern void *topo_mod_alloc(topo_mod_t *, size_t);
149 extern void *topo_mod_zalloc(topo_mod_t *, size_t);
150 extern void topo_mod_free(topo_mod_t *, void *, size_t);
151 extern char *topo_mod_strdup(topo_mod_t *, const char *);
152 extern void topo_mod_strfree(topo_mod_t *, char *);
153 extern int topo_mod_nvalloc(topo_mod_t *, nvlist_t **, uint_t);
154 extern int topo_mod_nvdup(topo_mod_t *, nvlist_t *, nvlist_t **);
155 
156 extern void topo_mod_clrdebug(topo_mod_t *);
157 extern void topo_mod_setdebug(topo_mod_t *);
158 extern void topo_mod_dprintf(topo_mod_t *, const char *, ...);
159 extern const char *topo_mod_errmsg(topo_mod_t *);
160 extern int topo_mod_errno(topo_mod_t *);
161 
162 /*
163  * Topo node utilities: callable from module enumeration, topo_mod_enumerate()
164  */
165 extern int topo_node_range_create(topo_mod_t *, tnode_t *, const char *,
166     topo_instance_t, topo_instance_t);
167 extern void topo_node_range_destroy(tnode_t *, const char *);
168 extern tnode_t *topo_node_bind(topo_mod_t *, tnode_t *, const char *,
169     topo_instance_t, nvlist_t *);
170 extern void topo_node_unbind(tnode_t *);
171 extern void topo_node_setspecific(tnode_t *, void *);
172 extern void *topo_node_getspecific(tnode_t *);
173 extern int topo_node_asru_set(tnode_t *node, nvlist_t *, int, int *);
174 extern int topo_node_fru_set(tnode_t *node, nvlist_t *, int, int *);
175 extern int topo_node_label_set(tnode_t *node, char *, int *);
176 
177 #define	TOPO_ASRU_COMPUTE	0x0001	/* Compute ASRU dynamically */
178 #define	TOPO_FRU_COMPUTE	0x0002	/* Compute FRU dynamically */
179 
180 /*
181  * This enum definition is used to define a set of error tags associated with
182  * the module api error conditions.  The shell script mkerror.sh is
183  * used to parse this file and create a corresponding topo_error.c source file.
184  * If you do something other than add a new error tag here, you may need to
185  * update the mkerror shell script as it is based upon simple regexps.
186  */
187 typedef enum topo_mod_errno {
188     EMOD_UNKNOWN = 2000, /* unknown libtopo error */
189     EMOD_NOMEM,			/* module memory limit exceeded */
190     EMOD_PARTIAL_ENUM,		/* module completed partial enumeration */
191     EMOD_METHOD_INVAL,		/* method arguments invalid */
192     EMOD_METHOD_NOTSUP,		/* method not supported */
193     EMOD_FMRI_NVL,		/* nvlist allocation failure for FMRI */
194     EMOD_FMRI_VERSION,		/* invalid FMRI scheme version */
195     EMOD_FMRI_MALFORM,		/* malformed FMRI */
196     EMOD_VER_ABI,		/* registered with invalid ABI version */
197     EMOD_VER_OLD,		/* attempt to load obsolete module */
198     EMOD_VER_NEW,		/* attempt to load a newer module */
199     EMOD_NVL_INVAL,		/* invalid nvlist */
200     EMOD_NONCANON,		/* non-canonical component name requested */
201     EMOD_MOD_NOENT,		/* module lookup failed */
202     EMOD_UKNOWN_ENUM,		/* unknown enumeration error */
203     EMOD_END			/* end of mod errno list (to ease auto-merge) */
204 } topo_mod_errno_t;
205 
206 extern int topo_mod_seterrno(topo_mod_t *, int);
207 
208 #ifdef	__cplusplus
209 }
210 #endif
211 
212 #endif	/* _TOPO_MOD_H */
213