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/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2017 Nexenta Systems, Inc.
*/
#ifndef _DISKS_PRIVATE_H
#define _DISKS_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libdevinfo.h>
#include <sys/dkio.h>
#include <devid.h>
#define DM_DEBUG "DM_LIBDISKMGT_DEBUG"
extern int dm_debug;
#define NVATTRS NV_UNIQUE_NAME | NV_UNIQUE_NAME_TYPE
#define NVATTRS_STAT 0x0
typedef struct slice_info {
char *devpath;
int slice_num;
struct slice_info *next;
} slice_t;
typedef struct alias_info {
char *kstat_name;
char *alias;
slice_t *devpaths;
slice_t *orig_paths;
char *wwn;
int lun;
int target;
struct alias_info *next;
} alias_t;
typedef struct path {
char *name;
char *ctype;
int *states;
char **wwns;
struct disk **disks;
struct controller_info *controller;
struct path *next;
} path_t;
typedef struct bus_info {
char *name;
char *kstat_name;
char *btype;
char *pname;
int freq;
struct controller_info **controllers;
struct bus_info *next;
} bus_t;
typedef struct controller_info {
char *name;
char *kstat_name;
char *ctype;
int freq;
struct disk **disks;
struct path **paths;
struct bus_info *bus;
struct controller_info *next;
int multiplex;
int scsi_options;
} controller_t;
typedef struct disk {
char *device_id; /* string encoded device id */
ddi_devid_t devid; /* decoded device id */
char *kernel_name; /* handles drives w/ no devlinks */
char *product_id;
char *vendor_id;
controller_t **controllers;
path_t **paths;
alias_t *aliases;
struct disk *next;
int drv_type;
int removable;
int sync_speed;
int rpm;
int wide;
int cd_rom;
int solid_state;
} disk_t;
typedef struct descriptor {
union {
void *generic;
disk_t *disk;
controller_t *controller;
bus_t *bus;
path_t *path;
} p;
char *name;
char *secondary_name;
struct descriptor *next;
struct descriptor *prev;
dm_desc_type_t type;
int refcnt;
} descriptor_t;
struct search_args {
disk_t *disk_listp;
controller_t *controller_listp;
bus_t *bus_listp;
di_devlink_handle_t handle;
di_prom_handle_t ph;
di_node_t node;
di_minor_t minor;
int dev_walk_status;
};
typedef enum {
DM_EV_DISK_ADD = 0,
DM_EV_DISK_DELETE
} dm_event_type_t;
/* private internal functions */
descriptor_t **alias_get_descriptors(int filter[], int *errp);
descriptor_t **alias_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t *alias_get_descriptor_by_name(char *name, int *errp);
char *alias_get_name(descriptor_t *desc);
nvlist_t *alias_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *alias_get_stats(descriptor_t *desc, int stat_type, int *errp);
int alias_make_descriptors();
descriptor_t **bus_get_descriptors(int filter[], int *errp);
descriptor_t **bus_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t *bus_get_descriptor_by_name(char *name, int *errp);
char *bus_get_name(descriptor_t *desc);
nvlist_t *bus_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *bus_get_stats(descriptor_t *desc, int stat_type,
int *errp);
int bus_make_descriptors();
descriptor_t **controller_get_descriptors(int filter[], int *errp);
descriptor_t **controller_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t *controller_get_descriptor_by_name(char *name, int *errp);
char *controller_get_name(descriptor_t *desc);
nvlist_t *controller_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *controller_get_stats(descriptor_t *desc, int stat_type,
int *errp);
int controller_make_descriptors();
descriptor_t **drive_get_descriptors(int filter[], int *errp);
descriptor_t **drive_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t **drive_get_assocs(descriptor_t *desc, int *errp);
descriptor_t *drive_get_descriptor_by_name(char *name, int *errp);
char *drive_get_name(descriptor_t *desc);
nvlist_t *drive_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *drive_get_stats(descriptor_t *desc, int stat_type, int *errp);
int drive_make_descriptors();
int drive_open_disk(disk_t *diskp, char *opath, int len);
descriptor_t **media_get_descriptors(int filter[], int *errp);
descriptor_t **media_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t **media_get_assocs(descriptor_t *desc, int *errp);
descriptor_t *media_get_descriptor_by_name(char *name, int *errp);
char *media_get_name(descriptor_t *desc);
nvlist_t *media_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *media_get_stats(descriptor_t *desc, int stat_type, int *errp);
int media_make_descriptors();
int media_read_info(int fd, struct dk_minfo *minfo);
int media_read_name(disk_t *dp, char *mname, int size);
descriptor_t **path_get_descriptors(int filter[], int *errp);
descriptor_t **path_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t *path_get_descriptor_by_name(char *name, int *errp);
char *path_get_name(descriptor_t *desc);
nvlist_t *path_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *path_get_stats(descriptor_t *desc, int stat_type, int *errp);
int path_make_descriptors();
descriptor_t **slice_get_descriptors(int filter[], int *errp);
descriptor_t **slice_get_assoc_descriptors(descriptor_t *desc,
dm_desc_type_t type, int *errp);
descriptor_t **slice_get_assocs(descriptor_t *desc, int *errp);
descriptor_t *slice_get_descriptor_by_name(char *name, int *errp);
char *slice_get_name(descriptor_t *desc);
nvlist_t *slice_get_attributes(descriptor_t *desc, int *errp);
nvlist_t *slice_get_stats(descriptor_t *desc, int stat_type, int *errp);
int slice_make_descriptors();
void slice_rdsk2dsk(char *rdsk, char *dsk, int size);
/* cache.c */
void cache_free_alias(alias_t *aliasp);
void cache_free_bus(bus_t *bp);
void cache_free_controller(controller_t *cp);
void cache_free_descriptor(descriptor_t *desc);
void cache_free_descriptors(descriptor_t **desc_list);
void cache_free_disk(disk_t *dp);
void cache_free_path(path_t *pp);
bus_t *cache_get_buslist();
controller_t *cache_get_controllerlist();
descriptor_t *cache_get_desc(int type, void *gp, char *name,
char *secondary_name, int *errp);
descriptor_t **cache_get_descriptors(int type, int *errp);
disk_t *cache_get_disklist();
int cache_is_valid_desc(descriptor_t *d);
void cache_load_desc(int type, void *gp, char *name,
char *secondary_name, int *errp);
void cache_rlock();
void cache_unlock();
void cache_update(dm_event_type_t ev_type, char *devname);
void cache_wlock();
/* findevs.c */
void findevs(struct search_args *args);
/* events.c */
int events_start_event_watcher();
void events_new_event(char *name, int dtype, char *etype);
void events_new_slice_event(char *dev, char *type);
/* entry.c */
void libdiskmgt_add_str(nvlist_t *attrs, char *name, char *val,
int *errp);
descriptor_t **libdiskmgt_empty_desc_array(int *errp);
void libdiskmgt_init_debug();
int libdiskmgt_str_eq(char *nm1, char *nm2);
/* in-use detectors */
int inuse_mnt(char *slice, nvlist_t *attrs, int *errp);
int inuse_lu(char *slice, nvlist_t *attrs, int *errp);
int inuse_active_zpool(char *slice, nvlist_t *attrs, int *errp);
int inuse_exported_zpool(char *slice, nvlist_t *attrs, int *errp);
int inuse_dump(char *slice, nvlist_t *attrs, int *errp);
int inuse_vxvm(char *slice, nvlist_t *attrs, int *errp);
int inuse_fs(char *slice, nvlist_t *attrs, int *errp);
#ifdef __cplusplus
}
#endif
#endif /* _DISKS_PRIVATE_H */
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