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Diffstat (limited to 'lib/libgeom/libgeom.h')
| -rw-r--r-- | lib/libgeom/libgeom.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/lib/libgeom/libgeom.h b/lib/libgeom/libgeom.h new file mode 100644 index 0000000..56736a3 --- /dev/null +++ b/lib/libgeom/libgeom.h @@ -0,0 +1,160 @@ +/*- + * Copyright (c) 2003 Poul-Henning Kamp + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the authors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _LIBGEOM_H_ +#define _LIBGEOM_H_ + +#include <sys/cdefs.h> + +#include <sys/queue.h> +#include <sys/time.h> + +#include <geom/geom_ctl.h> + +__BEGIN_DECLS + +void geom_stats_close(void); +void geom_stats_resync(void); +int geom_stats_open(void); +void *geom_stats_snapshot_get(void); +void geom_stats_snapshot_free(void *); +void geom_stats_snapshot_timestamp(void *, struct timespec *); +void geom_stats_snapshot_reset(void *); +struct devstat *geom_stats_snapshot_next(void *); + +char *geom_getxml(void); + +/* geom_xml2tree.c */ + +/* + * These structs are used to build the tree based on the XML. + * they're named as the kernel variant without the first '_'. + */ + +struct gclass; +struct ggeom; +struct gconsumer; +struct gprovider; + +LIST_HEAD(gconf, gconfig); + +struct gident { + void *lg_id; + void *lg_ptr; + enum { ISCLASS, + ISGEOM, + ISPROVIDER, + ISCONSUMER } lg_what; +}; + +struct gmesh { + LIST_HEAD(, gclass) lg_class; + struct gident *lg_ident; +}; + +struct gconfig { + LIST_ENTRY(gconfig) lg_config; + char *lg_name; + char *lg_val; +}; + +struct gclass { + void *lg_id; + char *lg_name; + LIST_ENTRY(gclass) lg_class; + LIST_HEAD(, ggeom) lg_geom; + struct gconf lg_config; +}; + +struct ggeom { + void *lg_id; + struct gclass *lg_class; + char *lg_name; + u_int lg_rank; + LIST_ENTRY(ggeom) lg_geom; + LIST_HEAD(, gconsumer) lg_consumer; + LIST_HEAD(, gprovider) lg_provider; + struct gconf lg_config; +}; + +struct gconsumer { + void *lg_id; + struct ggeom *lg_geom; + LIST_ENTRY(gconsumer) lg_consumer; + struct gprovider *lg_provider; + LIST_ENTRY(gconsumer) lg_consumers; + char *lg_mode; + struct gconf lg_config; +}; + +struct gprovider { + void *lg_id; + char *lg_name; + struct ggeom *lg_geom; + LIST_ENTRY(gprovider) lg_provider; + LIST_HEAD(, gconsumer) lg_consumers; + char *lg_mode; + off_t lg_mediasize; + u_int lg_sectorsize; + struct gconf lg_config; +}; + +struct gident * geom_lookupid(struct gmesh *, const void *); +int geom_xml2tree(struct gmesh *, char *); +int geom_gettree(struct gmesh *); +void geom_deletetree(struct gmesh *); + +/* geom_ctl.c */ + +struct gctl_req; + +#ifdef _STDIO_H_ /* limit #include pollution */ +void gctl_dump(struct gctl_req *, FILE *); +#endif +void gctl_free(struct gctl_req *); +struct gctl_req *gctl_get_handle(void); +const char *gctl_issue(struct gctl_req *); +void gctl_ro_param(struct gctl_req *, const char *, int, const void *); +void gctl_rw_param(struct gctl_req *, const char *, int, void *); + +/* geom_util.c */ +int g_open(const char *, int); +int g_close(int); +off_t g_mediasize(int); +ssize_t g_sectorsize(int); +int g_flush(int); +int g_delete(int, off_t, off_t); +int g_get_ident(int, char *, size_t); +int g_get_name(const char *, char *, size_t); +int g_open_by_ident(const char *, int, char *, size_t); + +__END_DECLS + +#endif /* _LIBGEOM_H_ */ |
