libgeom.h revision 169305
1110545Sphk/*- 2110545Sphk * Copyright (c) 2003 Poul-Henning Kamp 3110545Sphk * All rights reserved. 4110545Sphk * 5110545Sphk * Redistribution and use in source and binary forms, with or without 6110545Sphk * modification, are permitted provided that the following conditions 7110545Sphk * are met: 8110545Sphk * 1. Redistributions of source code must retain the above copyright 9110545Sphk * notice, this list of conditions and the following disclaimer. 10110545Sphk * 2. Redistributions in binary form must reproduce the above copyright 11110545Sphk * notice, this list of conditions and the following disclaimer in the 12110545Sphk * documentation and/or other materials provided with the distribution. 13110545Sphk * 3. The names of the authors may not be used to endorse or promote 14110545Sphk * products derived from this software without specific prior written 15110545Sphk * permission. 16110545Sphk * 17110545Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18110545Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19110545Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20110545Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21110545Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22110545Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23110545Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24110545Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25110545Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26110545Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27110545Sphk * SUCH DAMAGE. 28110545Sphk * 29110545Sphk * $FreeBSD: head/lib/libgeom/libgeom.h 169305 2007-05-06 10:00:27Z des $ 30110545Sphk */ 31110545Sphk#ifndef _LIBGEOM_H_ 32110545Sphk#define _LIBGEOM_H_ 33110545Sphk 34126786Sjhb#include <sys/cdefs.h> 35126786Sjhb 36110603Sphk#include <sys/queue.h> 37110547Sphk#include <sys/time.h> 38110545Sphk 39112510Sphk#include <geom/geom_ctl.h> 40112510Sphk 41126786Sjhb__BEGIN_DECLS 42126786Sjhb 43110545Sphkvoid geom_stats_close(void); 44110545Sphkvoid geom_stats_resync(void); 45110545Sphkint geom_stats_open(void); 46110545Sphkvoid *geom_stats_snapshot_get(void); 47169305Sdesvoid geom_stats_snapshot_free(void *); 48169305Sdesvoid geom_stats_snapshot_timestamp(void *, struct timespec *); 49169305Sdesvoid geom_stats_snapshot_reset(void *); 50169305Sdesstruct devstat *geom_stats_snapshot_next(void *); 51110545Sphk 52110603Sphkchar *geom_getxml(void); 53110603Sphk 54110603Sphk/* geom_xml2tree.c */ 55110603Sphk 56110603Sphk/* 57110603Sphk * These structs are used to build the tree based on the XML. 58110603Sphk * they're named as the kernel variant without the first '_'. 59110603Sphk */ 60110603Sphk 61110603Sphkstruct gclass; 62110603Sphkstruct ggeom; 63110603Sphkstruct gconsumer; 64110603Sphkstruct gprovider; 65110603Sphk 66110603SphkLIST_HEAD(gconf, gconfig); 67110603Sphk 68110603Sphkstruct gident { 69126786Sjhb void *lg_id; 70126786Sjhb void *lg_ptr; 71110603Sphk enum { ISCLASS, 72110603Sphk ISGEOM, 73110603Sphk ISPROVIDER, 74126786Sjhb ISCONSUMER } lg_what; 75110603Sphk}; 76110603Sphk 77110603Sphkstruct gmesh { 78126786Sjhb LIST_HEAD(, gclass) lg_class; 79126786Sjhb struct gident *lg_ident; 80110603Sphk}; 81110603Sphk 82110603Sphkstruct gconfig { 83126786Sjhb LIST_ENTRY(gconfig) lg_config; 84126786Sjhb char *lg_name; 85126786Sjhb char *lg_val; 86110603Sphk}; 87110603Sphk 88110603Sphkstruct gclass { 89126786Sjhb void *lg_id; 90126786Sjhb char *lg_name; 91126786Sjhb LIST_ENTRY(gclass) lg_class; 92126786Sjhb LIST_HEAD(, ggeom) lg_geom; 93126786Sjhb struct gconf lg_config; 94110603Sphk}; 95110603Sphk 96110603Sphkstruct ggeom { 97126786Sjhb void *lg_id; 98126786Sjhb struct gclass *lg_class; 99126786Sjhb char *lg_name; 100126786Sjhb u_int lg_rank; 101126786Sjhb LIST_ENTRY(ggeom) lg_geom; 102126786Sjhb LIST_HEAD(, gconsumer) lg_consumer; 103126786Sjhb LIST_HEAD(, gprovider) lg_provider; 104126786Sjhb struct gconf lg_config; 105110603Sphk}; 106110603Sphk 107110603Sphkstruct gconsumer { 108126786Sjhb void *lg_id; 109126786Sjhb struct ggeom *lg_geom; 110126786Sjhb LIST_ENTRY(gconsumer) lg_consumer; 111126786Sjhb struct gprovider *lg_provider; 112126786Sjhb LIST_ENTRY(gconsumer) lg_consumers; 113126786Sjhb char *lg_mode; 114126786Sjhb struct gconf lg_config; 115110603Sphk}; 116110603Sphk 117110603Sphkstruct gprovider { 118126786Sjhb void *lg_id; 119126786Sjhb char *lg_name; 120126786Sjhb struct ggeom *lg_geom; 121126786Sjhb LIST_ENTRY(gprovider) lg_provider; 122126786Sjhb LIST_HEAD(, gconsumer) lg_consumers; 123126786Sjhb char *lg_mode; 124126786Sjhb off_t lg_mediasize; 125126786Sjhb u_int lg_sectorsize; 126126786Sjhb struct gconf lg_config; 127110603Sphk}; 128110603Sphk 129169305Sdesstruct gident * geom_lookupid(struct gmesh *, const void *); 130169305Sdesint geom_xml2tree(struct gmesh *, char *); 131169305Sdesint geom_gettree(struct gmesh *); 132169305Sdesvoid geom_deletetree(struct gmesh *); 133110603Sphk 134112510Sphk/* geom_ctl.c */ 135112510Sphk 136112709Sphkstruct gctl_req; 137112510Sphk 138112510Sphk#ifdef _STDIO_H_ /* limit #include pollution */ 139169305Sdesvoid gctl_dump(struct gctl_req *, FILE *); 140112510Sphk#endif 141169305Sdesvoid gctl_free(struct gctl_req *); 142115625Sphkstruct gctl_req *gctl_get_handle(void); 143169305Sdesconst char *gctl_issue(struct gctl_req *); 144169305Sdesvoid gctl_ro_param(struct gctl_req *, const char *, int, const void *); 145169305Sdesvoid gctl_rw_param(struct gctl_req *, const char *, int, void *); 146112510Sphk 147169299Spjd/* geom_util.c */ 148169305Sdesint g_open(const char *, int); 149169305Sdesint g_close(int); 150169305Sdesoff_t g_mediasize(int); 151169305Sdesssize_t g_sectorsize(int); 152169305Sdesint g_flush(int); 153169305Sdesint g_delete(int, off_t, off_t); 154169305Sdesint g_get_ident(int, char *, size_t); 155169305Sdesint g_get_name(const char *, char *, size_t); 156169305Sdesint g_open_by_ident(const char *, int, char *, size_t); 157169299Spjd 158126786Sjhb__END_DECLS 159126786Sjhb 160110545Sphk#endif /* _LIBGEOM_H_ */ 161