libtopo/common/topo_mod.h

	topo_mod.h revision 825ba0f20a74fd9c5d0d1ce2c195da2cc88a7f77
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _TOPO_MOD_H
#define _TOPO_MOD_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <fm/libtopo.h>
#include <fm/topo_hc.h>
#include <libipmi.h>
#include <libnvpair.h>
#include <libdevinfo.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Enumerator and method supplier module API
 */
typedef struct topo_mod topo_mod_t;

typedef int topo_method_f(topo_mod_t *, tnode_t *, topo_version_t, nvlist_t *,
    nvlist_t **);
typedef int topo_enum_f(topo_mod_t *, tnode_t *, const char *, topo_instance_t,
    topo_instance_t, void *, void *);
typedef void topo_release_f(topo_mod_t *, tnode_t *);

typedef struct topo_method {
    const char *tm_name;            /* Method name */
    const char *tm_desc;            /* Method description */
    const topo_version_t tm_version;    /* Method version */
    const topo_stability_t tm_stability;    /* Attributes of method */
    topo_method_f *tm_func;         /* Method function */
} topo_method_t;

typedef struct topo_modops {
    topo_enum_f *tmo_enum;      /* enumeration op */
    topo_release_f *tmo_release;    /* resource release op */
} topo_modops_t;

typedef struct topo_mod_info {
    const char *tmi_desc;       /* module description */
    const char *tmi_scheme;     /* enumeration scheme type  */
    topo_version_t tmi_version; /* module version */
    const topo_modops_t *tmi_ops;   /* module ops vector */
} topo_modinfo_t;

extern topo_mod_t *topo_mod_load(topo_mod_t *, const char *, topo_version_t);
extern void topo_mod_unload(topo_mod_t *);
extern int topo_mod_register(topo_mod_t *, const topo_modinfo_t *,
    topo_version_t);
extern void topo_mod_unregister(topo_mod_t *);
extern int topo_mod_enumerate(topo_mod_t *, tnode_t *, const char *,
    const char *, topo_instance_t, topo_instance_t, void *);
extern int topo_mod_enummap(topo_mod_t *mod, tnode_t *, const char *,
    const char *);
extern void topo_mod_release(topo_mod_t *, tnode_t *);
extern void topo_mod_setspecific(topo_mod_t *, void *);
extern void *topo_mod_getspecific(topo_mod_t *);

extern nvlist_t *topo_mod_cpufmri(topo_mod_t *, int, uint32_t, uint8_t,
    const char *);
extern nvlist_t *topo_mod_devfmri(topo_mod_t *, int, const char *,
    const char *);
extern nvlist_t *topo_mod_hcfmri(topo_mod_t *, tnode_t *, int, const char *,
    topo_instance_t, nvlist_t *, nvlist_t *, const char *, const char *,
    const char *);
extern nvlist_t *topo_mod_memfmri(topo_mod_t *, int, uint64_t, uint64_t,
    const char *, int);
extern nvlist_t *topo_mod_modfmri(topo_mod_t *, int, const char *);
extern nvlist_t *topo_mod_pkgfmri(topo_mod_t *, int, const char *);
extern int topo_mod_nvl2str(topo_mod_t *, nvlist_t *, char **);
extern int topo_mod_str2nvl(topo_mod_t *, const char *,  nvlist_t **);
extern int topo_prop_setmutable(tnode_t *node, const char *pgname,
    const char *pname, int *err);
/*
 * Snapshot walker support
 */
typedef int (*topo_mod_walk_cb_t)(topo_mod_t *, tnode_t *, void *);

extern topo_walk_t *topo_mod_walk_init(topo_mod_t *, tnode_t *,
    topo_mod_walk_cb_t, void *, int *);

/*
 * Flags for topo_mod_memfmri
 */
#define TOPO_MEMFMRI_PA     0x0001  /* Valid physical address */
#define TOPO_MEMFMRI_OFFSET 0x0002  /* Valid offset */

extern int topo_method_register(topo_mod_t *, tnode_t *, const topo_method_t *);
extern void topo_method_unregister(topo_mod_t *, tnode_t *, const char *);
extern void topo_method_unregister_all(topo_mod_t *, tnode_t *);

extern di_node_t topo_mod_devinfo(topo_mod_t *);
extern ipmi_handle_t *topo_mod_ipmi(topo_mod_t *);
extern di_prom_handle_t topo_mod_prominfo(topo_mod_t *);
extern nvlist_t *topo_mod_auth(topo_mod_t *, tnode_t *);

/*
 * FMRI methods
 */
#define TOPO_METH_LABEL         "topo_label"
#define TOPO_METH_LABEL_DESC        "label constructor"
#define TOPO_METH_LABEL_VERSION0    0
#define TOPO_METH_LABEL_VERSION     TOPO_METH_LABEL_VERSION0
#define TOPO_METH_LABEL_ARG_NVL     "label-specific"
#define TOPO_METH_LABEL_RET_STR     "label-string"

#define TOPO_METH_PRESENT       "topo_present"
#define TOPO_METH_PRESENT_DESC      "presence indicator"
#define TOPO_METH_PRESENT_VERSION0  0
#define TOPO_METH_PRESENT_VERSION   TOPO_METH_PRESENT_VERSION0
#define TOPO_METH_PRESENT_RET       "present-ret"

#define TOPO_METH_UNUSABLE      "topo_unusable"
#define TOPO_METH_UNUSABLE_DESC     "unusable indicator"
#define TOPO_METH_UNUSABLE_VERSION0 0
#define TOPO_METH_UNUSABLE_VERSION  TOPO_METH_UNUSABLE_VERSION0
#define TOPO_METH_UNUSABLE_RET      "unusable-ret"

#define TOPO_METH_EXPAND        "topo_expand"
#define TOPO_METH_EXPAND_DESC       "expand FMRI"
#define TOPO_METH_EXPAND_VERSION0   0
#define TOPO_METH_EXPAND_VERSION    TOPO_METH_EXPAND_VERSION0

#define TOPO_METH_CONTAINS      "topo_contains"
#define TOPO_METH_CONTAINS_DESC     "FMRI contains sub-FMRI"
#define TOPO_METH_CONTAINS_VERSION0 0
#define TOPO_METH_CONTAINS_VERSION  TOPO_METH_CONTAINS_VERSION0
#define TOPO_METH_CONTAINS_RET      "contains-return"
#define TOPO_METH_FMRI_ARG_FMRI     "fmri"
#define TOPO_METH_FMRI_ARG_SUBFMRI  "sub-fmri"

#define TOPO_METH_ASRU_COMPUTE      "topo_asru_compute"
#define TOPO_METH_ASRU_COMPUTE_VERSION  0
#define TOPO_METH_ASRU_COMPUTE_DESC "Dynamic ASRU constructor"

#define TOPO_METH_FRU_COMPUTE       "topo_fru_compute"
#define TOPO_METH_FRU_COMPUTE_VERSION   0
#define TOPO_METH_FRU_COMPUTE_DESC  "Dynamic FRU constructor"

#define TOPO_METH_DISK_STATUS       "topo_disk_status"
#define TOPO_METH_DISK_STATUS_VERSION   0
#define TOPO_METH_DISK_STATUS_DESC  "Disk status"

#define TOPO_PROP_METH_DESC     "Dynamic Property method"

#define TOPO_METH_IPMI_ENTITY       "ipmi_entity"
#define TOPO_METH_FAC_ENUM_DESC     "Facility Enumerator"

extern void *topo_mod_alloc(topo_mod_t *, size_t);
extern void *topo_mod_zalloc(topo_mod_t *, size_t);
extern void topo_mod_free(topo_mod_t *, void *, size_t);
extern char *topo_mod_strdup(topo_mod_t *, const char *);
extern void topo_mod_strfree(topo_mod_t *, char *);
extern int topo_mod_nvalloc(topo_mod_t *, nvlist_t **, uint_t);
extern int topo_mod_nvdup(topo_mod_t *, nvlist_t *, nvlist_t **);

extern void topo_mod_clrdebug(topo_mod_t *);
extern void topo_mod_setdebug(topo_mod_t *);
extern void topo_mod_dprintf(topo_mod_t *, const char *, ...);
extern const char *topo_mod_errmsg(topo_mod_t *);
extern int topo_mod_errno(topo_mod_t *);

/*
 * Topo node utilities: callable from module enumeration, topo_mod_enumerate()
 */
extern int topo_node_range_create(topo_mod_t *, tnode_t *, const char *,
    topo_instance_t, topo_instance_t);
extern void topo_node_range_destroy(tnode_t *, const char *);
extern tnode_t *topo_node_bind(topo_mod_t *, tnode_t *, const char *,
    topo_instance_t, nvlist_t *);
extern tnode_t *topo_node_facbind(topo_mod_t *, tnode_t *, const char *,
    const char *);
extern void topo_node_unbind(tnode_t *);
extern void topo_node_setspecific(tnode_t *, void *);
extern void *topo_node_getspecific(tnode_t *);
extern int topo_node_asru_set(tnode_t *node, nvlist_t *, int, int *);
extern int topo_node_fru_set(tnode_t *node, nvlist_t *, int, int *);
extern int topo_node_label_set(tnode_t *node, char *, int *);

#define TOPO_ASRU_COMPUTE   0x0001  /* Compute ASRU dynamically */
#define TOPO_FRU_COMPUTE    0x0002  /* Compute FRU dynamically */

extern int topo_prop_inherit(tnode_t *, const char *, const char *, int *);
extern int topo_pgroup_create(tnode_t *, const topo_pgroup_info_t *, int *);

/*
 * Topo property method registration
 */
extern int topo_prop_method_register(tnode_t *, const char *, const char *,
    topo_type_t, const char *, const nvlist_t *, int *);
extern void topo_prop_method_unregister(tnode_t *, const char *, const char *);

/*
 * This enum definition is used to define a set of error tags associated with
 * the module api error conditions.  The shell script mkerror.sh is
 * used to parse this file and create a corresponding topo_error.c source file.
 * If you do something other than add a new error tag here, you may need to
 * update the mkerror shell script as it is based upon simple regexps.
 */
typedef enum topo_mod_errno {
    EMOD_UNKNOWN = 2000, /* unknown libtopo error */
    EMOD_NOMEM,         /* module memory limit exceeded */
    EMOD_PARTIAL_ENUM,      /* module completed partial enumeration */
    EMOD_METHOD_INVAL,      /* method arguments invalid */
    EMOD_METHOD_NOTSUP,     /* method not supported */
    EMOD_FMRI_NVL,      /* nvlist allocation failure for FMRI */
    EMOD_FMRI_VERSION,      /* invalid FMRI scheme version */
    EMOD_FMRI_MALFORM,      /* malformed FMRI */
    EMOD_NODE_BOUND,        /* node already bound */
    EMOD_NODE_DUP,      /* duplicate node */
    EMOD_NODE_NOENT,        /* node not found */
    EMOD_NODE_RANGE,        /* invalid node range */
    EMOD_VER_ABI,       /* registered with invalid ABI version */
    EMOD_VER_OLD,       /* attempt to load obsolete module */
    EMOD_VER_NEW,       /* attempt to load a newer module */
    EMOD_NVL_INVAL,     /* invalid nvlist */
    EMOD_NONCANON,      /* non-canonical component name requested */
    EMOD_MOD_NOENT,     /* module lookup failed */
    EMOD_UKNOWN_ENUM,       /* unknown enumeration error */
    EMOD_END            /* end of mod errno list (to ease auto-merge) */
} topo_mod_errno_t;

extern int topo_mod_seterrno(topo_mod_t *, int);

#ifdef  __cplusplus
}
#endif

#endif  /* _TOPO_MOD_H */