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/freebsd/share/man/man5/
H A Ddisktab.539 disk partition characteristics.
85 .It "\&ba num Block size for partition `a' (bytes)"
86 .It "\&bd num Block size for partition `d' (bytes)"
87 .It "\&be num Block size for partition `e' (bytes)"
88 .It "\&bf num Block size for partition `f' (bytes)"
89 .It "\&bg num Block size for partition `g' (bytes)"
90 .It "\&bh num Block size for partition `h' (bytes)"
91 .It "\&fa num Fragment size for partition `a' (bytes)"
92 .It "\&fd num Fragment size for partition `d' (bytes)"
93 .It "\&fe num Fragment size for partition `e' (bytes)"
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/freebsd/lib/geom/part/
H A Dgpart.8142 utility is used to partition GEOM providers, normally disks.
147 Add a new partition to the partitioning scheme given by
149 The partition type must be specified with
151 The partition's location, size, and other attributes will be calculated
163 offset and partition
169 The logical block address where the partition will begin.
178 The index in the partition table at which the new partition is to be
181 to represent the partition.
183 The label attached to the partition.
185 partition labels.
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/freebsd/sys/geom/part/
H A Dg_part.h39 G_PART_ALIAS_APPLE_APFS, /* An Apple APFS partition. */
40 G_PART_ALIAS_APPLE_BOOT, /* An Apple boot partition entry. */
41 G_PART_ALIAS_APPLE_CORE_STORAGE,/* An Apple Core Storage partition. */
43 G_PART_ALIAS_APPLE_LABEL, /* An Apple label partition entry. */
44 G_PART_ALIAS_APPLE_RAID, /* An Apple RAID partition entry. */
47 G_PART_ALIAS_APPLE_UFS, /* An Apple UFS partition entry. */
48 G_PART_ALIAS_APPLE_ZFS, /* An Apple ZFS partition entry.
49 Also used for Solaris /usr partition. */
50 G_PART_ALIAS_BIOS_BOOT, /* A GRUB 2 boot partition entry. */
55 G_PART_ALIAS_DFBSD, /* A DfBSD label32 partition entry */
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/freebsd/sys/contrib/edk2/Include/Uefi/
H A DUefiGpt.h2 EFI Guid Partition Table Format Definition.
13 /// The primary GUID Partition Table Header must be
18 /// EFI Partition Table Signature: "EFI PART".
29 /// GPT Partition Table Header.
33 /// The table header for the GPT partition Table.
42 /// LBA address of the alternate GUID Partition Table Header.
47 /// by a partition described by a GUID Partition Entry.
52 /// by a partition described by a GUID Partition Entry.
60 /// The starting LBA of the GUID Partition Entry array.
64 /// The number of Partition Entries in the GUID Partition Entry array.
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/freebsd/contrib/ofed/opensm/include/opensm/
H A Dosm_partition.h39 * This object represents an IBA Partition.
62 /****h* OpenSM/Partition
64 * Partition
67 * The Partition object encapsulates the information needed by the
68 * OpenSM to manage Partitions. The OpenSM allocates one Partition
69 * object per Partition in the IBA subnet.
71 * The Partition is not thread safe, thus callers must provide
81 /****s* OpenSM: Partition/osm_prtn_t
86 * Partition structure.
109 * The IBA defined P_KEY of this Partition.
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/freebsd/contrib/llvm-project/lld/docs/
H A DPartitions.rst11 partitioned program consists of a main partition together with a number of
12 loadable partitions. The loadable partitions depend on the main partition
14 shared object, the main partition and the loadable partitions share a virtual
15 address space at link time, and each loadable partition is assigned a fixed
16 offset from the main partition. This allows the loadable partitions to refer
17 to code and data in the main partition directly without the binary size and
24 going to be used as the "entry points" for each partition. An entry point
25 could, for example, be the equivalent of the partition's ``main`` function, or
27 by the partition. The intent is that in order to use a loadable partition,
29 load the partition at its assigned address, look up an entry point by name
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/freebsd/stand/i386/gptboot/
H A Dgptboot.833 is used on BIOS-based computers to boot from a UFS partition on a
38 partition with
47 first reads the GPT and determines which drive and partition to
51 If it does not find an eligible partition, or if the user hits a
55 Interactive mode allows manual selection of the disk, partition,
62 .Sh PARTITION ATTRIBUTES
67 Attempt to boot from this partition.
68 If more than one partition has the
74 Attempt to boot from this partition only one time.
100 partition attributes.
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/freebsd/sys/contrib/device-tree/Bindings/mtd/partitions/
H A Dpartition.yaml4 $id: http://devicetree.org/schemas/mtd/partitions/partition.yaml#
7 title: Partition
10 This binding describes a single flash partition. Each partition must have its
11 relative offset and size specified. Depending on partition function extra
14 A partition may be dynamically allocated by a specific parser at runtime.
16 Everything after 'partition-' will be used as the partition name to compare
18 If the partition contains invalid char a label can be provided that will
20 This is used to assign an OF node to the dynamiccally allocated partition
22 The OF node will be assigned only if the partition label declared match the
30 description: partition's offset and size within the flash
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H A Dfixed-partitions.yaml12 on-flash partition table such as RedBoot.
14 The partition table should be a node named "partitions". Partitions are then
35 Compression algorithm used to store the data in this partition, chosen
52 $ref: partition.yaml#
56 description: Partition id in Sercomm partition map. Mtd parser
57 uses this id to find a record in the partition map containing
58 offset and size of the current partition. The values from
59 partition map overrides partition offse
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/freebsd/stand/efi/gptboot/
H A Dgptboot.efi.833 is used on UEFI computers to boot from a UFS partition on a
36 is installed in the EFI System Partition (ESP).
64 first reads the GPT and determines which drive and partition to
68 If it does not find an eligible partition, it returns to the UEFI
76 .Sh PARTITION ATTRIBUTES
84 Attempt to boot from this partition.
85 If more than one partition has the
91 Attempt to boot from this partition only one time.
117 partition attributes.
119 will boot from the first UFS partition found on the device.
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/freebsd/sys/sys/disk/
H A Dmbr.h44 #define DOSPTYP_EXT 0x05 /* DOS extended partition */
45 #define DOSPTYP_FAT16 0x06 /* FAT16 partition */
46 #define DOSPTYP_NTFS 0x07 /* NTFS partition */
47 #define DOSPTYP_FAT32 0x0b /* FAT32 partition */
48 #define DOSPTYP_FAT32LBA 0x0c /* FAT32 with LBA partition */
49 #define DOSPTYP_EXTLBA 0x0f /* DOS extended partition */
50 #define DOSPTYP_PPCBOOT 0x41 /* PReP/CHRP boot partition */
51 #define DOSPTYP_LDM 0x42 /* Win2k dynamic extended partition */
52 #define DOSPTYP_DFLYBSD 0x6c /* DragonFlyBSD partition type */
53 #define DOSPTYP_LINSWP 0x82 /* Linux swap partition */
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/freebsd/share/man/man7/
H A Dgrowfs.737 and the root file system is in the last partition,
40 It can also add a swap partition, with a default size of 10% of the boot disk.
48 By default, no swap partition is created if an existing swap partition is found
54 script adds any new swap partition to
57 and enables its use as a dump partition if the
80 the addition of a swap partition is disabled.
83 allows the creation of a swap partition with the default size.
85 the swap partition will be created with the specified size in bytes,
86 even if another swap partition is detected.
97 In addition, if a swap partition is added, run the command:
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/freebsd/usr.bin/mkimg/
H A Dmkimg.146 .Op Fl s Ar scheme Op Fl p Ar partition ...
52 utility creates a disk image from the raw partition contents specified with
54 .Ar partition
74 with a boot partition.
75 The contents of such a boot partition is provided like any other partition
120 An empty partition table can be written to the disk when specifying a
158 option marks a partition as active, if the partitioning
165 will only mark the first partition as active when boot code is
169 option to override the active partition.
171 partition's
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/freebsd/contrib/file/magic/Magdir/
H A Dgpt5 # GPT Partition table patterns.
11 # partition table code (aka MBR).
15 # First, detect the MBR partition table
16 # If more than one GPT protective MBR partition exists, don't print anything
17 # (the other MBR detection code will then just print the MBR partition table)
30 # GPT with protective MBR entry in partition 1 (only)
35 #>>>>>>>>>>>>>446 use gpt-mbr-partition
36 >>>>>>>>>>>>>(454.l*8192) string EFI\ PART GPT partition table
41 >>>>>>>>>>>>>>(454.l*4096) string EFI\ PART GPT partition table
46 >>>>>>>>>>>>>>>(454.l*2048) string EFI\ PART GPT partition table
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/freebsd/share/doc/smm/02.config/
H A Db.t51 If the root device does not include a partition specification,
52 it defaults to the ``a'' partition.
55 partition of the root device.
58 first swap partition is selected.
61 partition is selected (see below to find out where dumps are
62 placed within the partition).
69 Type Partition
97 back of the partition. The dump is placed in the back of the
98 partition because the primary swap and dump device are commonly
104 program then copies the information from the dump partition to
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/freebsd/stand/common/
H A Ddisk.c96 * As the GPT backup partition is located at the end of the disk, in ptblread()
234 int rc, slice, partition; in disk_open() local
262 partition = dev->d_partition; in disk_open()
264 DPRINTF("%s unit %d, slice %d, partition %d => %p", disk_fmtdev(dev), in disk_open()
271 DPRINTF("Can't read partition table"); in disk_open()
283 partition >= 0) { in disk_open()
285 rc = ptable_getpart(od->table, &part, partition); in disk_open()
294 /* Try to get information about partition */ in disk_open()
299 if (rc != 0) /* Partition doesn't exist */ in disk_open()
305 partition = D_PARTISGPT; in disk_open()
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/freebsd/sbin/bsdlabel/
H A Dbsdlabel.884 label on a disk partition, or on a file containing a partition image.
110 that the program will operate on a file instead of a disk partition.
144 It will display the partition layout.
260 The partition table can have up to 8 entries.
264 The partition identifier is a single letter in the range
268 By convention, partition
272 The size of the partition in sectors,
282 removing any fixed-size partitions other than partition
289 For partition
304 The offset of the start of the partition from the beginning of the
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/freebsd/sys/contrib/openzfs/lib/libspl/include/sys/dktp/
H A Dfdisk.h69 #define MINPSIZE 4 /* minimum number of cylinders in a partition */
73 * structure to hold the fdisk partition table
85 uint32_t numsect; /* number of sectors in partition */
95 #define UNUSED 0 /* Empty Partition */
96 #define DOSOS12 1 /* DOS partition, 12-bit FAT */
97 #define PCIXOS 2 /* PC/IX partition */
98 #define DOSOS16 4 /* DOS partition, 16-bit FAT */
99 #define EXTDOS 5 /* EXT-DOS partition */
100 #define DOSHUGE 6 /* Huge DOS partition > 32MB */
108 #define FDISK_EXTLBA 15 /* Extended partition, LBA-mapped */
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/freebsd/share/man/man4/
H A Dmac_partition.436 .Nd "process partition policy"
38 To compile the process partition policy into your kernel,
46 Alternately, to load the process partition module at boot time,
60 policy module implements a process partition policy,
63 based on their numeric process partition
65 Processes with a specified partition can only see processes that are in the
66 same partition.
67 If no partition is specified for a process, it can see all other processes
72 Partition labels take on the following format:
75 .Dl Li partition / Ar value
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/freebsd/contrib/netbsd-tests/sbin/gpt/
H A Dt_gpt.sh97 echo "^$disk: Partition $1 added: $uuid $2 $3\$"
101 echo "^$disk: Partition $1 resized: $2 $3\$"
105 echo "^$disk: Partition $1 removed\$"
109 echo "^$disk: Partition $1 label changed\$"
113 echo "^$disk: Partition $1 marked as bootable\$"
121 echo -n "^gpt: $disk: Partition $1 unknown type MSDOS, "
126 echo "^$disk: Partition $1 attributes updated\$"
130 echo "^$disk: Partition $1 type changed\$"
146 atf_set "descr" "Create 2 partition disk"
156 atf_set "descr" "Change the attribute of 2 partition disk"
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/freebsd/sys/contrib/device-tree/src/powerpc/fsl/
H A Dmpc8536ds.dtsi44 partition@0 {
49 partition@3000000 {
55 partition@3e00000 {
61 partition@4000000 {
66 partition@4400000 {
71 partition@7f00000 {
76 partition@7f80000 {
90 partition@0 {
96 partition@2000000 {
101 partition@12000000 {
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H A Dp1022ds.dtsi44 partition@0 {
50 partition@3000000 {
56 partition@3e00000 {
62 partition@4000000 {
68 partition@4400000 {
73 partition@7f00000 {
79 partition@7f80000 {
92 partition@0 {
98 partition@2000000 {
103 partition@12000000 {
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H A Dp1024rdb.dtsi44 partition@0 {
52 partition@40000 {
58 partition@80000 {
64 partition@400000 {
70 partition@f00000 {
87 partition@0 {
95 partition@100000 {
101 partition@200000 {
107 partition@600000 {
113 partition@a00000 {
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/freebsd/contrib/llvm-project/llvm/lib/Transforms/Scalar/
H A DLoopDistribute.cpp120 /// Maintains the set of instructions of the loop for a partition before
131 /// Returns whether this partition contains a dependence cycle.
134 /// Adds an instruction to this partition.
144 /// Moves this partition into \p Other. This partition becomes empty
152 /// Populates the partition with a transitive closure of all the
188 /// The cloned loop. If this partition is mapped to the original loop,
192 /// Returns the loop where this partition ends up after distribution.
193 /// If this partition is mapped to the original loop then use the block from
208 /// Based on the set of instructions selected for this partition,
247 /// Instructions from OrigLoop selected for this partition.
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/freebsd/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/
H A DCompileOnDemandLayer.cpp122 void CompileOnDemandLayer::setPartitionFunction(PartitionFunction Partition) { in setPartitionFunction() argument
123 this->Partition = std::move(Partition); in setPartitionFunction()
227 void CompileOnDemandLayer::expandPartition(GlobalValueSet &Partition) { in expandPartition() argument
228 // Expands the partition to ensure the following rules hold: in expandPartition()
229 // (1) If any alias is in the partition, its aliasee is also in the partition. in expandPartition()
230 // (2) If any aliasee is in the partition, its aliases are also in the in expandPartition()
232 // (3) If any global variable is in the partition then all global variables in expandPartition()
233 // are in the partition. in expandPartition()
234 assert(!Partition.empty() && "Unexpected empty partition"); in expandPartition()
236 const Module &M = *(*Partition.begin())->getParent(); in expandPartition()
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