Add support for FreeBSD 14.0

This commit is contained in:
longpanda 2024-01-23 09:08:23 +08:00
parent 757cacf274
commit 4527e1db79
6 changed files with 1398 additions and 0 deletions

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2020 longpanda <admin@ventoy.net>
* Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@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_VENTOY_H_
#define _G_VENTOY_H_
#include <sys/endian.h>
#define G_VENTOY_CLASS_NAME "VENTOY"
#define G_VENTOY_MAGIC "GEOM::VENTOY"
/*
* Version history:
* 1 - Initial version number.
* 2 - Added 'stop' command to gconcat(8).
* 3 - Added md_provider field to metadata and '-h' option to gconcat(8).
* 4 - Added md_provsize field to metadata.
*/
#define G_VENTOY_VERSION 4
#ifdef _KERNEL
#define G_VENTOY_TYPE_MANUAL 0
#define G_VENTOY_TYPE_AUTOMATIC 1
#define G_DEBUG(...) if (bootverbose) printf(__VA_ARGS__)
#define G_VENTOY_DEBUG(lvl, ...) if (g_ventoy_debug) printf(__VA_ARGS__)
#define G_VENTOY_LOGREQ(bp, ...) if (g_ventoy_debug) printf(__VA_ARGS__)
struct g_ventoy_disk {
TAILQ_ENTRY(g_ventoy_disk) d_next;
struct g_consumer *d_consumer;
struct g_ventoy_softc *d_softc;
off_t d_start;
off_t d_end;
off_t d_map_start;
off_t d_map_end;
int d_candelete;
int d_removed;
bool d_hardcoded;
};
struct g_ventoy_softc {
u_int sc_type; /* provider type */
struct g_geom *sc_geom;
struct g_provider *sc_provider;
uint32_t sc_id; /* concat unique ID */
uint16_t sc_ndisks;
TAILQ_HEAD(g_ventoy_disks, g_ventoy_disk) sc_disks;
struct mtx sc_completion_lock; /* synchronizes cross-boundary IOs */
struct sx sc_disks_lock; /* synchronizes modification of sc_disks */
};
#define sc_name sc_geom->name
#pragma pack(1)
#define VENTOY_UNIX_SEG_MAGIC0 0x11223344
#define VENTOY_UNIX_SEG_MAGIC1 0x55667788
#define VENTOY_UNIX_SEG_MAGIC2 0x99aabbcc
#define VENTOY_UNIX_SEG_MAGIC3 0xddeeff00
#define VENTOY_UNIX_MAX_SEGNUM 40960
struct g_ventoy_seg {
uint64_t seg_start_bytes;
uint64_t seg_end_bytes;
};
struct g_ventoy_map{
uint32_t magic1[4];
uint32_t magic2[4];
uint64_t segnum;
uint64_t disksize;
uint8_t diskuuid[16];
struct g_ventoy_seg seglist[VENTOY_UNIX_MAX_SEGNUM];
uint32_t magic3[4];
};
#pragma pack()
#define VENTOY_MAP_VALID(magic2) \
(magic2[0] == VENTOY_UNIX_SEG_MAGIC0 && magic2[1] == VENTOY_UNIX_SEG_MAGIC1 && magic2[2] == VENTOY_UNIX_SEG_MAGIC2 && magic2[3] == VENTOY_UNIX_SEG_MAGIC3)
#endif /* _KERNEL */
struct g_ventoy_metadata {
char md_magic[16]; /* Magic value. */
uint32_t md_version; /* Version number. */
char md_name[16]; /* Concat name. */
uint32_t md_id; /* Unique ID. */
uint16_t md_no; /* Disk number. */
uint16_t md_all; /* Number of all disks. */
char md_provider[16]; /* Hardcoded provider. */
uint64_t md_provsize; /* Provider's size. */
};
static __inline void
ventoy_metadata_encode(const struct g_ventoy_metadata *md, u_char *data)
{
bcopy(md->md_magic, data, sizeof(md->md_magic));
le32enc(data + 16, md->md_version);
bcopy(md->md_name, data + 20, sizeof(md->md_name));
le32enc(data + 36, md->md_id);
le16enc(data + 40, md->md_no);
le16enc(data + 42, md->md_all);
bcopy(md->md_provider, data + 44, sizeof(md->md_provider));
le64enc(data + 60, md->md_provsize);
}
static __inline void
ventoy_metadata_decode(const u_char *data, struct g_ventoy_metadata *md)
{
bcopy(data, md->md_magic, sizeof(md->md_magic));
md->md_version = le32dec(data + 16);
bcopy(data + 20, md->md_name, sizeof(md->md_name));
md->md_id = le32dec(data + 36);
md->md_no = le16dec(data + 40);
md->md_all = le16dec(data + 42);
bcopy(data + 44, md->md_provider, sizeof(md->md_provider));
md->md_provsize = le64dec(data + 60);
}
#endif /* _G_VENTOY_H_ */

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# $FreeBSD$
.PATH: ${SRCTOP}/sys/geom/ventoy
KMOD= geom_ventoy
SRCS= g_ventoy.c
.include <bsd.kmod.mk>