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144 lines
3.8 KiB
C
144 lines
3.8 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/queue.h>
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#include <sys/time.h>
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#include <geom/geom_ctl.h>
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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 *arg);
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void geom_stats_snapshot_timestamp(void *arg, struct timespec *tp);
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void geom_stats_snapshot_reset(void *arg);
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struct devstat *geom_stats_snapshot_next(void *arg);
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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 *id;
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void *ptr;
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enum { ISCLASS,
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ISGEOM,
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ISPROVIDER,
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ISCONSUMER } what;
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};
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struct gmesh {
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LIST_HEAD(, gclass) class;
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struct gident *ident;
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};
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struct gconfig {
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LIST_ENTRY(gconfig) config;
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char *name;
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char *val;
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};
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struct gclass {
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void *id;
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char *name;
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LIST_ENTRY(gclass) class;
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LIST_HEAD(, ggeom) geom;
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struct gconf config;
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};
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struct ggeom {
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void *id;
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struct gclass *class;
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char *name;
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u_int rank;
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LIST_ENTRY(ggeom) geom;
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LIST_HEAD(, gconsumer) consumer;
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LIST_HEAD(, gprovider) provider;
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struct gconf config;
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};
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struct gconsumer {
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void *id;
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struct ggeom *geom;
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LIST_ENTRY(gconsumer) consumer;
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struct gprovider *provider;
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LIST_ENTRY(gconsumer) consumers;
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char *mode;
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struct gconf config;
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};
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struct gprovider {
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void *id;
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char *name;
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struct ggeom *geom;
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LIST_ENTRY(gprovider) provider;
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LIST_HEAD(, gconsumer) consumers;
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char *mode;
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off_t mediasize;
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u_int sectorsize;
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struct gconf config;
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};
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struct gident * geom_lookupid(struct gmesh *gmp, const void *id);
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int geom_xml2tree(struct gmesh *gmp, char *p);
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int geom_gettree(struct gmesh *gmp);
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void geom_deletetree(struct gmesh *gmp);
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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 *req, FILE *f);
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#endif
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void gctl_free(struct gctl_req *req);
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struct gctl_req *gctl_get_handle(void);
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const char *gctl_issue(struct gctl_req *req);
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void gctl_ro_param(struct gctl_req *req, const char *name, int len, const void* val);
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void gctl_rw_param(struct gctl_req *req, const char *name, int len, void* val);
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#endif /* _LIBGEOM_H_ */
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