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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _STAT_DSR_H
#define _STAT_DSR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Description of each device identified
*/
typedef struct list_of_disks {
char *dtype; /* device type: sd, ssd, md, st, etc. */
int dnum; /* device number */
char *dsk; /* in form of cNtNdN */
char *dname; /* in form of /dev/dsk/cNtNdN */
char *devidstr; /* in form of "id1,sd@XXXX" */
uint_t flags; /* see SLICES_OK and PARTITIONS_OK above */
int devtype; /* disk, metadevice, tape */
uint_t seen; /* Used for diffing disk lists */
struct list_of_disks *next; /* link to next one */
} disk_list_t;
/*
* Description of each mount point currently existing on the system.
*/
typedef struct mnt_info {
char *device_name;
char *mount_point;
char *devinfo;
uint_t minor;
struct mnt_info *next;
} mnt_t;
/*
* A basic description of each device found
* on the system by walking the device tree.
* These entries are used to select the
* relevent entries from the actual /dev
* entries.
*/
typedef struct ldinfo {
char *name;
char *dtype;
char *devidstr;
int dnum;
struct ldinfo *next;
} ldinfo_t;
/*
* Optimization for lookup of kstats.
* For each kstat prefix (e.g., 'sd')
* found in a directory one of these
* structures will be created.
*
* name: prefix of kstat name (e.g., 'ssd')
* min: smallest number seen from kstat
* name (e.g., 101 from 'sd101')
* max: largest number seen from kstat
* list_start: beginning of disk_list structures
* for this kstat type in the main list for
* this directory
* list_end: end of entries for this kstat type
* in this directory.
*/
typedef struct dev_name {
char *name;
uint_t min;
uint_t max;
disk_list_t *list_start;
disk_list_t *list_end;
struct dev_name *next;
} dev_name_t;
/*
* Definition of a "type" of disk device.
* Tied to the directory containing entries
* for that device. Divides the list of
* devices into localized chunks and allows
* quick determination as to whether an entry
* exists or whether we need to look at the
* devices upon a state change.
*/
typedef struct dir_info {
char *name; /* directory name */
time_t mtime; /* mod time */
disk_list_t *list; /* master list of devices */
dev_name_t *nf; /* lists per name */
uint_t skip_lookup; /* skip lookup if device */
/* does not have partitions */
char *dtype; /* Type of device */
char *trimstr; /* What do we prune */
char trimchr; /* Char denoting end */
/* of interesting data */
} dir_info_t;
/*
* The following are used to control treatment of kstat names
* which fall beyond the number of disk partitions allowed on
* the particular ISA. PARTITIONS_OK is set only on an Intel
* system.
*/
#define SLICES_OK 1
#define PARTITIONS_OK 2
void do_mnttab(void);
mnt_t *lookup_mntent_byname(char *);
disk_list_t *lookup_ks_name(char *);
char *lookup_nfs_name(char *, kstat_ctl_t *);
#ifdef __cplusplus
}
#endif
#endif /* _STAT_DSR_H */
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