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167 lines
4.4 KiB
C
167 lines
4.4 KiB
C
/*-
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* Copyright (c) 2003 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LIBGEOM_H_
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#define _LIBGEOM_H_
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#include <sys/cdefs.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <geom/geom_ctl.h>
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__BEGIN_DECLS
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void geom_stats_close(void);
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void geom_stats_resync(void);
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int geom_stats_open(void);
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void *geom_stats_snapshot_get(void);
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void geom_stats_snapshot_free(void *);
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void geom_stats_snapshot_timestamp(void *, struct timespec *);
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void geom_stats_snapshot_reset(void *);
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struct devstat *geom_stats_snapshot_next(void *);
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char *geom_getxml(void);
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/* geom_xml2tree.c */
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/*
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* These structs are used to build the tree based on the XML.
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* they're named as the kernel variant without the first '_'.
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*/
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struct gclass;
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struct ggeom;
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struct gconsumer;
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struct gprovider;
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LIST_HEAD(gconf, gconfig);
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struct gident {
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void *lg_id;
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void *lg_ptr;
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enum { ISCLASS,
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ISGEOM,
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ISPROVIDER,
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ISCONSUMER } lg_what;
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};
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struct gmesh {
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LIST_HEAD(, gclass) lg_class;
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struct gident *lg_ident;
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};
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struct gconfig {
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LIST_ENTRY(gconfig) lg_config;
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char *lg_name;
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char *lg_val;
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};
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struct gclass {
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void *lg_id;
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char *lg_name;
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LIST_ENTRY(gclass) lg_class;
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LIST_HEAD(, ggeom) lg_geom;
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struct gconf lg_config;
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};
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struct ggeom {
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void *lg_id;
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struct gclass *lg_class;
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char *lg_name;
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u_int lg_rank;
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LIST_ENTRY(ggeom) lg_geom;
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LIST_HEAD(, gconsumer) lg_consumer;
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LIST_HEAD(, gprovider) lg_provider;
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struct gconf lg_config;
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};
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struct gconsumer {
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void *lg_id;
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struct ggeom *lg_geom;
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LIST_ENTRY(gconsumer) lg_consumer;
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struct gprovider *lg_provider;
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LIST_ENTRY(gconsumer) lg_consumers;
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char *lg_mode;
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struct gconf lg_config;
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};
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struct gprovider {
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void *lg_id;
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char *lg_name;
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struct ggeom *lg_geom;
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LIST_ENTRY(gprovider) lg_provider;
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LIST_HEAD(, gconsumer) lg_consumers;
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char *lg_mode;
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off_t lg_mediasize;
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u_int lg_sectorsize;
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off_t lg_stripeoffset;
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off_t lg_stripesize;
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struct gconf lg_config;
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};
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struct gident * geom_lookupid(struct gmesh *, const void *);
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int geom_xml2tree(struct gmesh *, char *);
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int geom_gettree(struct gmesh *);
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void geom_deletetree(struct gmesh *);
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/* geom_ctl.c */
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struct gctl_req;
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#ifdef _STDIO_H_ /* limit #include pollution */
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void gctl_dump(struct gctl_req *, FILE *);
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#endif
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void gctl_free(struct gctl_req *);
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struct gctl_req *gctl_get_handle(void);
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const char *gctl_issue(struct gctl_req *);
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void gctl_ro_param(struct gctl_req *, const char *, int, const void *);
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void gctl_rw_param(struct gctl_req *, const char *, int, void *);
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/* geom_util.c */
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int g_open(const char *, int);
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int g_close(int);
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off_t g_mediasize(int);
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ssize_t g_sectorsize(int);
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off_t g_stripeoffset(int);
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off_t g_stripesize(int);
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int g_flush(int);
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int g_delete(int, off_t, off_t);
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int g_get_ident(int, char *, size_t);
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int g_get_name(const char *, char *, size_t);
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int g_open_by_ident(const char *, int, char *, size_t);
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char *g_device_path(const char *);
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char *g_providername(int);
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__END_DECLS
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#endif /* _LIBGEOM_H_ */
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