/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2006-2008 Marcel Moolenaar * 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 AUTHOR ``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 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. */ #ifndef _GEOM_PART_H_ #define _GEOM_PART_H_ #define G_PART_TRACE(args) g_trace args #define G_PART_PROBE_PRI_LOW -10 #define G_PART_PROBE_PRI_NORM -5 #define G_PART_PROBE_PRI_HIGH 0 enum g_part_alias { G_PART_ALIAS_APPLE_APFS, /* An Apple APFS partition. */ G_PART_ALIAS_APPLE_BOOT, /* An Apple boot partition entry. */ G_PART_ALIAS_APPLE_CORE_STORAGE,/* An Apple Core Storage partition. */ G_PART_ALIAS_APPLE_HFS, /* An HFS+ file system entry. */ G_PART_ALIAS_APPLE_LABEL, /* An Apple label partition entry. */ G_PART_ALIAS_APPLE_RAID, /* An Apple RAID partition entry. */ G_PART_ALIAS_APPLE_RAID_OFFLINE,/* An Apple RAID (offline) part entry.*/ G_PART_ALIAS_APPLE_TV_RECOVERY, /* An Apple TV recovery part entry. */ G_PART_ALIAS_APPLE_UFS, /* An Apple UFS partition entry. */ G_PART_ALIAS_APPLE_ZFS, /* An Apple ZFS partition entry. Also used for Solaris /usr partition. */ G_PART_ALIAS_BIOS_BOOT, /* A GRUB 2 boot partition entry. */ G_PART_ALIAS_CHROMEOS_FIRMWARE, /* A ChromeOS firmware part. entry. */ G_PART_ALIAS_CHROMEOS_KERNEL, /* A ChromeOS Kernel part. entry. */ G_PART_ALIAS_CHROMEOS_RESERVED, /* ChromeOS. Reserved for future use. */ G_PART_ALIAS_CHROMEOS_ROOT, /* A ChromeOS root part. entry. */ G_PART_ALIAS_DFBSD, /* A DfBSD label32 partition entry */ G_PART_ALIAS_DFBSD64, /* A DfBSD label64 partition entry */ G_PART_ALIAS_DFBSD_CCD, /* A DfBSD CCD partition entry */ G_PART_ALIAS_DFBSD_HAMMER, /* A DfBSD HAMMER FS partition entry */ G_PART_ALIAS_DFBSD_HAMMER2, /* A DfBSD HAMMER2 FS partition entry */ G_PART_ALIAS_DFBSD_LEGACY, /* A DfBSD legacy partition entry */ G_PART_ALIAS_DFBSD_SWAP, /* A DfBSD swap partition entry */ G_PART_ALIAS_DFBSD_UFS, /* A DfBSD UFS partition entry */ G_PART_ALIAS_DFBSD_VINUM, /* A DfBSD Vinum partition entry */ G_PART_ALIAS_EBR, /* A EBR partition entry. */ G_PART_ALIAS_EFI, /* A EFI system partition entry. */ G_PART_ALIAS_FREEBSD, /* A BSD labeled partition entry. */ G_PART_ALIAS_FREEBSD_BOOT, /* A FreeBSD boot partition entry. */ G_PART_ALIAS_FREEBSD_NANDFS, /* A FreeBSD nandfs partition entry. */ G_PART_ALIAS_FREEBSD_SWAP, /* A swap partition entry. */ G_PART_ALIAS_FREEBSD_UFS, /* A UFS/UFS2 file system entry. */ G_PART_ALIAS_FREEBSD_VINUM, /* A Vinum partition entry. */ G_PART_ALIAS_FREEBSD_ZFS, /* A ZFS file system entry. */ G_PART_ALIAS_HIFIVE_FSBL, /* HiFive First Stage Bootloader */ G_PART_ALIAS_HIFIVE_BBL, /* HiFive Second Stage Bootloader */ G_PART_ALIAS_LINUX_DATA, /* A Linux data partition entry. */ G_PART_ALIAS_LINUX_LVM, /* A Linux LVM partition entry. */ G_PART_ALIAS_LINUX_RAID, /* A Linux RAID partition entry. */ G_PART_ALIAS_LINUX_SWAP, /* A Linux swap partition entry. */ G_PART_ALIAS_MBR, /* A MBR (extended) partition entry. */ G_PART_ALIAS_MS_BASIC_DATA, /* A Microsoft Data part. entry. */ G_PART_ALIAS_MS_FAT16, /* A Microsoft FAT16 partition entry. */ G_PART_ALIAS_MS_FAT32, /* A Microsoft FAT32 partition entry. */ G_PART_ALIAS_MS_FAT32LBA, /* A Microsoft FAT32 LBA partition entry */ G_PART_ALIAS_MS_LDM_DATA, /* A Microsoft LDM Data part. entry. */ G_PART_ALIAS_MS_LDM_METADATA, /* A Microsoft LDM Metadata entry. */ G_PART_ALIAS_MS_NTFS, /* A Microsoft NTFS partition entry */ G_PART_ALIAS_MS_RECOVERY, /* A Microsoft recovery part. entry. */ G_PART_ALIAS_MS_RESERVED, /* A Microsoft Reserved part. entry. */ G_PART_ALIAS_MS_SPACES, /* A Microsoft Spaces part. entry. */ G_PART_ALIAS_NETBSD_CCD, /* A NetBSD CCD partition entry. */ G_PART_ALIAS_NETBSD_CGD, /* A NetBSD CGD partition entry. */ G_PART_ALIAS_NETBSD_FFS, /* A NetBSD FFS partition entry. */ G_PART_ALIAS_NETBSD_LFS, /* A NetBSD LFS partition entry. */ G_PART_ALIAS_NETBSD_RAID, /* A NetBSD RAID partition entry. */ G_PART_ALIAS_NETBSD_SWAP, /* A NetBSD swap partition entry. */ G_PART_ALIAS_OPENBSD_DATA, /* An OpenBSD data partition entry. */ G_PART_ALIAS_PREP_BOOT, /* A PREP/CHRP boot partition entry. */ G_PART_ALIAS_SOLARIS_BOOT, /* A Solaris boot partition entry. */ G_PART_ALIAS_SOLARIS_ROOT, /* A Solaris root partition entry. */ G_PART_ALIAS_SOLARIS_SWAP, /* A Solaris swap partition entry. */ G_PART_ALIAS_SOLARIS_BACKUP, /* A Solaris backup partition entry. */ G_PART_ALIAS_SOLARIS_VAR, /* A Solaris /var partition entry. */ G_PART_ALIAS_SOLARIS_HOME, /* A Solaris /home partition entry. */ G_PART_ALIAS_SOLARIS_ALTSEC, /* A Solaris alternate sector partition entry. */ G_PART_ALIAS_SOLARIS_RESERVED, /* A Solaris reserved partition entry. */ G_PART_ALIAS_U_BOOT_ENV, /* A U-Boot environment partition entry. */ G_PART_ALIAS_VMFS, /* A VMware VMFS partition entry */ G_PART_ALIAS_VMKDIAG, /* A VMware vmkDiagnostic partition entry */ G_PART_ALIAS_VMRESERVED, /* A VMware reserved partition entry */ G_PART_ALIAS_VMVSANHDR, /* A VMware vSAN header partition entry */ /* Keep the following last */ G_PART_ALIAS_COUNT }; const char *g_part_alias_name(enum g_part_alias); /* G_PART scheme (KOBJ class). */ struct g_part_scheme { KOBJ_CLASS_FIELDS; size_t gps_entrysz; int gps_minent; /* Minimum number of entries possible */ int gps_defent; /* Default number of entries to create */ int gps_maxent; /* Maximum number of entries possible */ int gps_bootcodesz; TAILQ_ENTRY(g_part_scheme) scheme_list; }; struct g_part_entry { LIST_ENTRY(g_part_entry) gpe_entry; struct g_provider *gpe_pp; /* Corresponding provider. */ off_t gpe_offset; /* Byte offset. */ quad_t gpe_start; /* First LBA of partition. */ quad_t gpe_end; /* Last LBA of partition. */ int gpe_index; bool gpe_created:1; /* Entry is newly created. */ bool gpe_deleted:1; /* Entry has been deleted. */ bool gpe_modified:1; /* Entry has been modified. */ bool gpe_internal:1; /* Entry is not a used entry. */ }; /* G_PART table (KOBJ instance). */ struct g_part_table { KOBJ_FIELDS; struct g_part_scheme *gpt_scheme; struct g_geom *gpt_gp; LIST_HEAD(, g_part_entry) gpt_entry; quad_t gpt_first; /* First allocatable LBA */ quad_t gpt_last; /* Last allocatable LBA */ int gpt_entries; /* * gpt_smhead and gpt_smtail are bitmaps representing the first * 32 sectors on the disk (gpt_smhead) and the last 32 sectors * on the disk (gpt_smtail). These maps are used by the commit * verb to clear sectors previously used by a scheme after the * partitioning scheme has been destroyed. */ uint32_t gpt_smhead; uint32_t gpt_smtail; /* * gpt_sectors and gpt_heads are the fixed or synchesized number * of sectors per track and heads (resp) that make up a disks * geometry. This is to support partitioning schemes as well as * file systems that work on a geometry. The MBR scheme and the * MS-DOS (FAT) file system come to mind. * We keep track of whether the geometry is fixed or synchesized * so that a partitioning scheme can correct the synthesized * geometry, based on the on-disk metadata. */ uint32_t gpt_sectors; uint32_t gpt_heads; int gpt_depth; /* Sub-partitioning level. */ bool gpt_isleaf:1; /* Cannot be sub-partitioned. */ bool gpt_created:1; /* Newly created. */ bool gpt_modified:1; /* Table changes have been made. */ bool gpt_opened:1; /* Permissions obtained. */ bool gpt_fixgeom:1; /* Geometry is fixed. */ bool gpt_corrupt:1; /* Table is corrupt. */ }; struct g_part_entry *g_part_new_entry(struct g_part_table *, int, quad_t, quad_t); enum g_part_ctl { G_PART_CTL_NONE, G_PART_CTL_ADD, G_PART_CTL_BOOTCODE, G_PART_CTL_COMMIT, G_PART_CTL_CREATE, G_PART_CTL_DELETE, G_PART_CTL_DESTROY, G_PART_CTL_MODIFY, G_PART_CTL_MOVE, G_PART_CTL_RECOVER, G_PART_CTL_RESIZE, G_PART_CTL_SET, G_PART_CTL_UNDO, G_PART_CTL_UNSET }; /* G_PART ctlreq parameters. */ #define G_PART_PARM_ENTRIES 0x0001 #define G_PART_PARM_FLAGS 0x0002 #define G_PART_PARM_GEOM 0x0004 #define G_PART_PARM_INDEX 0x0008 #define G_PART_PARM_LABEL 0x0010 #define G_PART_PARM_OUTPUT 0x0020 #define G_PART_PARM_PROVIDER 0x0040 #define G_PART_PARM_SCHEME 0x0080 #define G_PART_PARM_SIZE 0x0100 #define G_PART_PARM_START 0x0200 #define G_PART_PARM_TYPE 0x0400 #define G_PART_PARM_VERSION 0x0800 #define G_PART_PARM_BOOTCODE 0x1000 #define G_PART_PARM_ATTRIB 0x2000 #define G_PART_PARM_FORCE 0x4000 #define G_PART_PARM_SKIP_DSN 0x8000 struct g_part_parms { unsigned int gpp_parms; unsigned int gpp_entries; const char *gpp_flags; struct g_geom *gpp_geom; unsigned int gpp_index; const char *gpp_label; struct g_provider *gpp_provider; struct g_part_scheme *gpp_scheme; quad_t gpp_size; quad_t gpp_start; const char *gpp_type; unsigned int gpp_version; const void *gpp_codeptr; unsigned int gpp_codesize; const char *gpp_attrib; unsigned int gpp_force; unsigned int gpp_skip_dsn; }; void g_part_geometry_heads(off_t, u_int, off_t *, u_int *); int g_part_modevent(module_t, int, struct g_part_scheme *); extern char g_part_separator[]; #define G_PART_SCHEME_DECLARE(name) \ static int name##_modevent(module_t mod, int tp, void *d) \ { \ return (g_part_modevent(mod, tp, d)); \ } \ static moduledata_t name##_mod = { \ #name, \ name##_modevent, \ &name##_scheme \ }; \ DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); \ MODULE_DEPEND(name, g_part, 0, 0, 0) #endif /* !_GEOM_PART_H_ */
