003 File Manager
Current Path:
/usr/src/sys/geom/virstor
usr
/
src
/
sys
/
geom
/
virstor
/
📁
..
📄
binstream.c
(4.29 KB)
📄
binstream.h
(3.1 KB)
📄
g_virstor.c
(52.59 KB)
📄
g_virstor.h
(3.62 KB)
📄
g_virstor_md.c
(3.08 KB)
📄
g_virstor_md.h
(2.74 KB)
Editing: g_virstor.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2006-2007 Ivan Voras <ivoras@freebsd.org> * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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 _G_VIRSTOR_H_ #define _G_VIRSTOR_H_ #define G_VIRSTOR_CLASS_NAME "VIRSTOR" #define VIRSTOR_MAP_ALLOCATED 1 struct virstor_map_entry { uint16_t flags; uint16_t provider_no; uint32_t provider_chunk; }; #define VIRSTOR_MAP_ENTRY_SIZE (sizeof(struct virstor_map_entry)) #define VIRSTOR_MAP_BLOCK_ENTRIES (maxphys / VIRSTOR_MAP_ENTRY_SIZE) /* Struct size is guarded by MPASS in main source */ #ifdef _KERNEL #define LOG_MSG(lvl, ...) \ _GEOM_DEBUG("GEOM_VIRSTOR", g_virstor_debug, (lvl), NULL, __VA_ARGS__) #define LOG_MESSAGE LOG_MSG #define LOG_REQ(lvl, bp, ...) \ _GEOM_DEBUG("GEOM_VIRSTOR", g_virstor_debug, (lvl), (bp), __VA_ARGS__) #define LOG_REQUEST LOG_REQ /* "critical" system announcements (e.g. "geom is up") */ #define LVL_ANNOUNCE 0 /* errors */ #define LVL_ERROR 1 /* warnings */ #define LVL_WARNING 2 /* info, noncritical for system operation (user doesn't have to see it */ #define LVL_INFO 5 /* debug info */ #define LVL_DEBUG 10 /* more debug info */ #define LVL_DEBUG2 12 /* superfluous debug info (large volumes of data) */ #define LVL_MOREDEBUG 15 /* Component data */ struct g_virstor_component { struct g_consumer *gcons; struct g_virstor_softc *sc; unsigned int index; /* Component index in array */ unsigned int chunk_count; unsigned int chunk_next; unsigned int chunk_reserved; unsigned int flags; }; /* Internal geom instance data */ struct g_virstor_softc { struct g_geom *geom; struct g_provider *provider; struct g_virstor_component *components; u_int n_components; u_int curr_component; /* Component currently used */ uint32_t id; /* Unique ID of this geom */ off_t virsize; /* Total size of virstor */ off_t sectorsize; size_t chunk_size; size_t chunk_count; /* governs map_size */ struct virstor_map_entry *map; size_t map_size; /* (in bytes) */ size_t map_sectors; /* Size of map in sectors */ size_t me_per_sector; /* # map entries in a sector */ STAILQ_HEAD(, g_virstor_bio_q) delayed_bio_q; /* Queue of delayed BIOs */ struct mtx delayed_bio_q_mtx; }; /* "delayed BIOs" Queue element */ struct g_virstor_bio_q { struct bio *bio; STAILQ_ENTRY(g_virstor_bio_q) linkage; }; #endif /* _KERNEL */ #endif /* !_G_VIRSTOR_H_ */
Upload File
Create Folder