| zfsimpl.h (208047) | zfsimpl.h (209962) |
|---|---|
| 1/*- 2 * Copyright (c) 2002 McAfee, Inc. 3 * All rights reserved. 4 * 5 * This software was developed for the FreeBSD Project by Marshall 6 * Kirk McKusick and McAfee Research,, the Security Research Division of 7 * McAfee, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as 8 * part of the DARPA CHATS research program --- 35 unchanged lines hidden (view full) --- 44 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 45 * If applicable, add the following below this CDDL HEADER, with the 46 * fields enclosed by brackets "[]" replaced with your own identifying 47 * information: Portions Copyright [yyyy] [name of copyright owner] 48 * 49 * CDDL HEADER END 50 */ 51/* | 1/*- 2 * Copyright (c) 2002 McAfee, Inc. 3 * All rights reserved. 4 * 5 * This software was developed for the FreeBSD Project by Marshall 6 * Kirk McKusick and McAfee Research,, the Security Research Division of 7 * McAfee, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as 8 * part of the DARPA CHATS research program --- 35 unchanged lines hidden (view full) --- 44 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 45 * If applicable, add the following below this CDDL HEADER, with the 46 * fields enclosed by brackets "[]" replaced with your own identifying 47 * information: Portions Copyright [yyyy] [name of copyright owner] 48 * 49 * CDDL HEADER END 50 */ 51/* |
| 52 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. | 52 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| 53 * Use is subject to license terms. 54 */ 55 56/* CRC64 table */ 57#define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */ 58 59/* 60 * Macros for various sorts of alignment and rounding when the alignment --- 251 unchanged lines hidden (view full) --- 312 313#define ZBT_MAGIC 0x210da7ab10c7a11ULL /* zio data bloc tail */ 314 315typedef struct zio_block_tail { 316 uint64_t zbt_magic; /* for validation, endianness */ 317 zio_cksum_t zbt_cksum; /* 256-bit checksum */ 318} zio_block_tail_t; 319 | 53 * Use is subject to license terms. 54 */ 55 56/* CRC64 table */ 57#define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */ 58 59/* 60 * Macros for various sorts of alignment and rounding when the alignment --- 251 unchanged lines hidden (view full) --- 312 313#define ZBT_MAGIC 0x210da7ab10c7a11ULL /* zio data bloc tail */ 314 315typedef struct zio_block_tail { 316 uint64_t zbt_magic; /* for validation, endianness */ 317 zio_cksum_t zbt_cksum; /* 256-bit checksum */ 318} zio_block_tail_t; 319 |
| 320#define VDEV_SKIP_SIZE (8 << 10) 321#define VDEV_BOOT_HEADER_SIZE (8 << 10) | 320#define VDEV_PAD_SIZE (8 << 10) 321/* 2 padding areas (vl_pad1 and vl_pad2) to skip */ 322#define VDEV_SKIP_SIZE VDEV_PAD_SIZE * 2 |
| 322#define VDEV_PHYS_SIZE (112 << 10) 323#define VDEV_UBERBLOCK_RING (128 << 10) 324 325#define VDEV_UBERBLOCK_SHIFT(vd) \ 326 MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT) 327#define VDEV_UBERBLOCK_COUNT(vd) \ 328 (VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(vd)) 329#define VDEV_UBERBLOCK_OFFSET(vd, n) \ 330 offsetof(vdev_label_t, vl_uberblock[(n) << VDEV_UBERBLOCK_SHIFT(vd)]) 331#define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd)) 332 | 323#define VDEV_PHYS_SIZE (112 << 10) 324#define VDEV_UBERBLOCK_RING (128 << 10) 325 326#define VDEV_UBERBLOCK_SHIFT(vd) \ 327 MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT) 328#define VDEV_UBERBLOCK_COUNT(vd) \ 329 (VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(vd)) 330#define VDEV_UBERBLOCK_OFFSET(vd, n) \ 331 offsetof(vdev_label_t, vl_uberblock[(n) << VDEV_UBERBLOCK_SHIFT(vd)]) 332#define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd)) 333 |
| 333/* ZFS boot block */ 334#define VDEV_BOOT_MAGIC 0x2f5b007b10cULL 335#define VDEV_BOOT_VERSION 1 /* version number */ 336 337typedef struct vdev_boot_header { 338 uint64_t vb_magic; /* VDEV_BOOT_MAGIC */ 339 uint64_t vb_version; /* VDEV_BOOT_VERSION */ 340 uint64_t vb_offset; /* start offset (bytes) */ 341 uint64_t vb_size; /* size (bytes) */ 342 char vb_pad[VDEV_BOOT_HEADER_SIZE - 4 * sizeof (uint64_t)]; 343} vdev_boot_header_t; 344 | |
| 345typedef struct vdev_phys { 346 char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_block_tail_t)]; 347 zio_block_tail_t vp_zbt; 348} vdev_phys_t; 349 350typedef struct vdev_label { | 334typedef struct vdev_phys { 335 char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_block_tail_t)]; 336 zio_block_tail_t vp_zbt; 337} vdev_phys_t; 338 339typedef struct vdev_label { |
| 351 char vl_pad[VDEV_SKIP_SIZE]; /* 8K */ 352 vdev_boot_header_t vl_boot_header; /* 8K */ | 340 char vl_pad1[VDEV_PAD_SIZE]; /* 8K */ 341 char vl_pad2[VDEV_PAD_SIZE]; /* 8K */ |
| 353 vdev_phys_t vl_vdev_phys; /* 112K */ 354 char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */ 355} vdev_label_t; /* 256K total */ 356 357/* 358 * vdev_dirty() flags 359 */ 360#define VDD_METASLAB 0x01 --- 114 unchanged lines hidden (view full) --- 475#define SPA_VERSION_7 7ULL 476#define SPA_VERSION_8 8ULL 477#define SPA_VERSION_9 9ULL 478#define SPA_VERSION_10 10ULL 479#define SPA_VERSION_11 11ULL 480#define SPA_VERSION_12 12ULL 481#define SPA_VERSION_13 13ULL 482#define SPA_VERSION_14 14ULL | 342 vdev_phys_t vl_vdev_phys; /* 112K */ 343 char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */ 344} vdev_label_t; /* 256K total */ 345 346/* 347 * vdev_dirty() flags 348 */ 349#define VDD_METASLAB 0x01 --- 114 unchanged lines hidden (view full) --- 464#define SPA_VERSION_7 7ULL 465#define SPA_VERSION_8 8ULL 466#define SPA_VERSION_9 9ULL 467#define SPA_VERSION_10 10ULL 468#define SPA_VERSION_11 11ULL 469#define SPA_VERSION_12 12ULL 470#define SPA_VERSION_13 13ULL 471#define SPA_VERSION_14 14ULL |
| 472#define SPA_VERSION_15 15ULL |
|
| 483/* 484 * When bumping up SPA_VERSION, make sure GRUB ZFS understand the on-disk 485 * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*}, 486 * and do the appropriate changes. 487 */ | 473/* 474 * When bumping up SPA_VERSION, make sure GRUB ZFS understand the on-disk 475 * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*}, 476 * and do the appropriate changes. 477 */ |
| 488#define SPA_VERSION SPA_VERSION_14 489#define SPA_VERSION_STRING "14" | 478#define SPA_VERSION SPA_VERSION_15 479#define SPA_VERSION_STRING "15" |
| 490 491/* 492 * Symbolic names for the changes that caused a SPA_VERSION switch. 493 * Used in the code when checking for presence or absence of a feature. 494 * Feel free to define multiple symbolic names for each version if there 495 * were multiple changes to on-disk structures during that version. 496 * 497 * NOTE: When checking the current SPA_VERSION in your code, be sure --- 19 unchanged lines hidden (view full) --- 517#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 518#define SPA_VERSION_L2CACHE SPA_VERSION_10 519#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 520#define SPA_VERSION_ORIGIN SPA_VERSION_11 521#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 522#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 523#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 524#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 | 480 481/* 482 * Symbolic names for the changes that caused a SPA_VERSION switch. 483 * Used in the code when checking for presence or absence of a feature. 484 * Feel free to define multiple symbolic names for each version if there 485 * were multiple changes to on-disk structures during that version. 486 * 487 * NOTE: When checking the current SPA_VERSION in your code, be sure --- 19 unchanged lines hidden (view full) --- 507#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 508#define SPA_VERSION_L2CACHE SPA_VERSION_10 509#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 510#define SPA_VERSION_ORIGIN SPA_VERSION_11 511#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 512#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 513#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 514#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 |
| 515#define SPA_VERSION_USERSPACE SPA_VERSION_15 |
|
| 525 526/* 527 * The following are configuration names used in the nvlist describing a pool's 528 * configuration. 529 */ 530#define ZPOOL_CONFIG_VERSION "version" 531#define ZPOOL_CONFIG_POOL_NAME "name" 532#define ZPOOL_CONFIG_POOL_STATE "state" --- 261 unchanged lines hidden (view full) --- 794 uint64_t zh_claim_seq; /* highest claimed sequence number */ 795 uint64_t zh_pad[5]; 796} zil_header_t; 797 798typedef struct objset_phys { 799 dnode_phys_t os_meta_dnode; 800 zil_header_t os_zil_header; 801 uint64_t os_type; | 516 517/* 518 * The following are configuration names used in the nvlist describing a pool's 519 * configuration. 520 */ 521#define ZPOOL_CONFIG_VERSION "version" 522#define ZPOOL_CONFIG_POOL_NAME "name" 523#define ZPOOL_CONFIG_POOL_STATE "state" --- 261 unchanged lines hidden (view full) --- 785 uint64_t zh_claim_seq; /* highest claimed sequence number */ 786 uint64_t zh_pad[5]; 787} zil_header_t; 788 789typedef struct objset_phys { 790 dnode_phys_t os_meta_dnode; 791 zil_header_t os_zil_header; 792 uint64_t os_type; |
| 802 char os_pad[1024 - sizeof (dnode_phys_t) - sizeof (zil_header_t) - 803 sizeof (uint64_t)]; | 793 uint64_t os_flags; 794 char os_pad[2048 - sizeof (dnode_phys_t)*3 - 795 sizeof (zil_header_t) - sizeof (uint64_t)*2]; 796 dnode_phys_t os_userused_dnode; 797 dnode_phys_t os_groupused_dnode; |
| 804} objset_phys_t; 805 806typedef struct dsl_dir_phys { 807 uint64_t dd_creation_time; /* not actually used */ 808 uint64_t dd_head_dataset_obj; 809 uint64_t dd_parent_obj; 810 uint64_t dd_clone_parent_obj; 811 uint64_t dd_child_dir_zapobj; --- 397 unchanged lines hidden --- | 798} objset_phys_t; 799 800typedef struct dsl_dir_phys { 801 uint64_t dd_creation_time; /* not actually used */ 802 uint64_t dd_head_dataset_obj; 803 uint64_t dd_parent_obj; 804 uint64_t dd_clone_parent_obj; 805 uint64_t dd_child_dir_zapobj; --- 397 unchanged lines hidden --- |