1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * (C) Copyright 2000-2004 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 */ 6#ifndef _PART_H 7#define _PART_H 8 9#include <blk.h> 10#include <ide.h> 11#include <uuid.h> 12#include <linker_lists.h> 13#include <linux/errno.h> 14#include <linux/list.h> 15 16struct block_drvr { 17 char *name; 18 int (*select_hwpart)(int dev_num, int hwpart); 19}; 20 21#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \ 22 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \ 23 ((x & 0xffff0000) ? 16 : 0)) 24#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1)) 25 26/* Part types */ 27#define PART_TYPE_UNKNOWN 0x00 28#define PART_TYPE_MAC 0x01 29#define PART_TYPE_DOS 0x02 30#define PART_TYPE_ISO 0x03 31#define PART_TYPE_AMIGA 0x04 32#define PART_TYPE_EFI 0x05 33 34/* maximum number of partition entries supported by search */ 35#define DOS_ENTRY_NUMBERS 8 36#define ISO_ENTRY_NUMBERS 64 37#define MAC_ENTRY_NUMBERS 64 38#define AMIGA_ENTRY_NUMBERS 8 39/* 40 * Type string for U-Boot bootable partitions 41 */ 42#define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */ 43#define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */ 44 45/* device types */ 46#define DEV_TYPE_UNKNOWN 0xff /* not connected */ 47#define DEV_TYPE_HARDDISK 0x00 /* harddisk */ 48#define DEV_TYPE_TAPE 0x01 /* Tape */ 49#define DEV_TYPE_CDROM 0x05 /* CD-ROM */ 50#define DEV_TYPE_OPDISK 0x07 /* optical disk */ 51 52#define PART_NAME_LEN 32 53#define PART_TYPE_LEN 32 54#define MAX_SEARCH_PARTITIONS 128 55 56#define PART_BOOTABLE ((int)BIT(0)) 57#define PART_EFI_SYSTEM_PARTITION ((int)BIT(1)) 58 59struct disk_partition { 60 lbaint_t start; /* # of first block in partition */ 61 lbaint_t size; /* number of blocks in partition */ 62 ulong blksz; /* block size in bytes */ 63 uchar name[PART_NAME_LEN]; /* partition name */ 64 uchar type[PART_TYPE_LEN]; /* string type description */ 65 /* 66 * The bootable is a bitmask with the following fields: 67 * 68 * PART_BOOTABLE the MBR bootable flag is set 69 * PART_EFI_SYSTEM_PARTITION the partition is an EFI system partition 70 */ 71 int bootable; 72#if CONFIG_IS_ENABLED(PARTITION_UUIDS) 73 char uuid[UUID_STR_LEN + 1]; /* filesystem UUID as string, if exists */ 74#endif 75#ifdef CONFIG_PARTITION_TYPE_GUID 76 char type_guid[UUID_STR_LEN + 1]; /* type GUID as string, if exists */ 77#endif 78#ifdef CONFIG_DOS_PARTITION 79 uchar sys_ind; /* partition type */ 80#endif 81}; 82 83/* Accessors for struct disk_partition field ->uuid */ 84extern char *__invalid_use_of_disk_partition_uuid; 85 86static inline const char *disk_partition_uuid(const struct disk_partition *info) 87{ 88#if CONFIG_IS_ENABLED(PARTITION_UUIDS) 89 return info->uuid; 90#else 91 return __invalid_use_of_disk_partition_uuid; 92#endif 93} 94 95static inline void disk_partition_set_uuid(struct disk_partition *info, 96 const char *val) 97{ 98#if CONFIG_IS_ENABLED(PARTITION_UUIDS) 99 strlcpy(info->uuid, val, UUID_STR_LEN + 1); 100#endif 101} 102 103static inline void disk_partition_clr_uuid(struct disk_partition *info) 104{ 105#if CONFIG_IS_ENABLED(PARTITION_UUIDS) 106 *info->uuid = '\0'; 107#endif 108} 109 110/* Accessors for struct disk_partition field ->type_guid */ 111extern char *__invalid_use_of_disk_partition_type_guid; 112 113/** 114 * disk_partition_type_guid() - get partition type GUID 115 * 116 * By using this function to get the partition type GUID we can use 117 * 'if (IS_ENABLED(CONFIG_PARTITION_TYPE_GUID))' instead of 118 * '#ifdef CONFIG_PARTITION_TYPE_GUID'. 119 * 120 * @info: partition information 121 * Return: partition type GUID 122 */ 123static inline const 124char *disk_partition_type_guid(const struct disk_partition *info) 125{ 126#ifdef CONFIG_PARTITION_TYPE_GUID 127 return info->type_guid; 128#else 129 return __invalid_use_of_disk_partition_type_guid; 130#endif 131} 132 133/** 134 * disk_partition_set_type_guid() - set partition type GUID 135 * 136 * By using this function to set the partition type GUID we can use 137 * 'if (IS_ENABLED(CONFIG_PARTITION_TYPE_GUID))' instead of 138 * '#ifdef CONFIG_PARTITION_TYPE_GUID'. 139 * 140 * @info: partition information 141 * @val: partition type GUID as string 142 */ 143static inline void disk_partition_set_type_guid(struct disk_partition *info, 144 const char *val) 145{ 146#ifdef CONFIG_PARTITION_TYPE_GUID 147 strlcpy(info->type_guid, val, UUID_STR_LEN + 1); 148#endif 149} 150 151static inline void disk_partition_clr_type_guid(struct disk_partition *info) 152{ 153#ifdef CONFIG_PARTITION_TYPE_GUID 154 *info->type_guid = '\0'; 155#endif 156} 157 158/* Accessors for struct disk_partition field ->sys_ind */ 159extern int __invalid_use_of_disk_partition_sys_ind; 160 161static inline uint disk_partition_sys_ind(const struct disk_partition *info) 162{ 163#ifdef CONFIG_DOS_PARTITION 164 return info->sys_ind; 165#else 166 return __invalid_use_of_disk_partition_sys_ind; 167#endif 168} 169 170struct disk_part { 171 int partnum; 172 struct disk_partition gpt_part_info; 173 struct list_head list; 174}; 175 176/* Misc _get_dev functions */ 177#if CONFIG_IS_ENABLED(PARTITIONS) 178/** 179 * blk_get_dev() - get a pointer to a block device given its type and number 180 * 181 * Each interface allocates its own devices and typically struct blk_desc is 182 * contained with the interface's data structure. There is no global 183 * numbering for block devices, so the interface name must be provided. 184 * 185 * @ifname: Interface name (e.g. "ide", "scsi") 186 * @dev: Device number (0 for first device on that interface, 1 for 187 * second, etc. 188 * Return: 189 * pointer to the block device, or NULL if not available, or an error occurred. 190 */ 191struct blk_desc *blk_get_dev(const char *ifname, int dev); 192 193struct blk_desc *mg_disk_get_dev(int dev); 194 195/** 196 * part_get_info_by_type() - Get partitions from a block device using a specific 197 * partition driver 198 * 199 * Each interface allocates its own devices and typically struct blk_desc is 200 * contained with the interface's data structure. There is no global 201 * numbering for block devices, so the interface name must be provided. 202 * 203 * @desc: Block device descriptor 204 * @part: Partition number to read 205 * @part_type: Partition driver to use, or PART_TYPE_UNKNOWN to automatically 206 * choose a driver 207 * @info: Returned partition information 208 * 209 * Return: 0 on success, negative errno on failure 210 */ 211int part_get_info_by_type(struct blk_desc *desc, int part, int part_type, 212 struct disk_partition *info); 213int part_get_info(struct blk_desc *desc, int part, 214 struct disk_partition *info); 215/** 216 * part_get_info_whole_disk() - get partition info for the special case of 217 * a partition occupying the entire disk. 218 * 219 * @desc: block device descriptor 220 * @info: returned partition information 221 * Return: 0 on success 222 */ 223int part_get_info_whole_disk(struct blk_desc *desc, 224 struct disk_partition *info); 225 226void part_print(struct blk_desc *desc); 227void part_init(struct blk_desc *desc); 228void dev_print(struct blk_desc *desc); 229 230/** 231 * blk_get_device_by_str() - Get a block device given its interface/hw partition 232 * 233 * Each interface allocates its own devices and typically struct blk_desc is 234 * contained with the interface's data structure. There is no global 235 * numbering for block devices, so the interface name must be provided. 236 * 237 * The hardware parition is not related to the normal software partitioning 238 * of a device - each hardware partition is effectively a separately 239 * accessible block device. When a hardware parition is selected on MMC the 240 * other hardware partitions become inaccessible. The same block device is 241 * used to access all hardware partitions, but its capacity may change when a 242 * different hardware partition is selected. 243 * 244 * When a hardware partition number is given, the block device switches to 245 * that hardware partition. 246 * 247 * @ifname: Interface name (e.g. "ide", "scsi") 248 * @dev_str: Device and optional hw partition. This can either be a string 249 * containing the device number (e.g. "2") or the device number 250 * and hardware partition number (e.g. "2.4") for devices that 251 * support it (currently only MMC). 252 * @desc: Returns a pointer to the block device on success 253 * Return: block device number (local to the interface), or -1 on error 254 */ 255int blk_get_device_by_str(const char *ifname, const char *dev_str, 256 struct blk_desc **desc); 257 258/** 259 * blk_get_device_part_str() - Get a block device and partition 260 * 261 * This calls blk_get_device_by_str() to look up a device. It also looks up 262 * a partition and returns information about it. 263 * 264 * @dev_part_str is in the format <dev>.<hw_part>:<part> where 265 * 266 * * <dev> is the device number, 267 * 268 * * <hw_part> is the optional hardware partition number and 269 * 270 * * <part> is the partition number. 271 * 272 * If @ifname is "hostfs", then this function returns the sandbox host block 273 * device. 274 * 275 * If @ifname is "ubi", then this function returns 0, with @info set to a 276 * special UBI device. 277 * 278 * If @dev_part_str is NULL or empty or "-", then this function looks up 279 * the "bootdevice" environment variable and uses that string instead. 280 * 281 * If the partition string is empty then the first partition is used. If the 282 * partition string is "auto" then the first bootable partition is used. 283 * 284 * @ifname: Interface name (e.g. "ide", "scsi") 285 * @dev_part_str: Device and partition string 286 * @desc: Returns a pointer to the block device on success 287 * @info: Returns partition information 288 * @allow_whole_dev: true to allow the user to select partition 0 289 * (which means the whole device), false to require a valid 290 * partition number >= 1 291 * Return: partition number, or -1 on error 292 * 293 */ 294int blk_get_device_part_str(const char *ifname, const char *dev_part_str, 295 struct blk_desc **desc, 296 struct disk_partition *info, int allow_whole_dev); 297 298/** 299 * part_get_info_by_name() - Search for a partition by name 300 * among all available registered partitions 301 * 302 * @desc: block device descriptor 303 * @name: the specified table entry name 304 * @info: returns the disk partition info 305 * 306 * Return: the partition number on match (starting on 1), -1 on no match, 307 * otherwise error 308 */ 309int part_get_info_by_name(struct blk_desc *desc, const char *name, 310 struct disk_partition *info); 311 312/** 313 * part_get_info_by_dev_and_name_or_num() - Get partition info from dev number 314 * and part name, or dev number and 315 * part number. 316 * 317 * Parse a device number and partition description (either name or number) 318 * in the form of device number plus partition name separated by a "#" 319 * (like "device_num#partition_name") or a device number plus a partition number 320 * separated by a ":". For example both "0#misc" and "0:1" can be valid 321 * partition descriptions for a given interface. If the partition is found, sets 322 * desc and part_info accordingly with the information of the partition. 323 * 324 * @dev_iface: Device interface 325 * @dev_part_str: Input partition description, like "0#misc" or "0:1" 326 * @desc: Place to store the device description pointer 327 * @part_info: Place to store the partition information 328 * @allow_whole_dev: true to allow the user to select partition 0 329 * (which means the whole device), false to require a valid 330 * partition number >= 1 331 * Return: the partition number on success, or negative errno on error 332 */ 333int part_get_info_by_dev_and_name_or_num(const char *dev_iface, 334 const char *dev_part_str, 335 struct blk_desc **desc, 336 struct disk_partition *part_info, 337 int allow_whole_dev); 338 339/** 340 * part_set_generic_name() - create generic partition like hda1 or sdb2 341 * 342 * Helper function for partition tables, which don't hold partition names 343 * (DOS, ISO). Generates partition name out of the device type and partition 344 * number. 345 * 346 * @desc: pointer to the block device 347 * @part_num: partition number for which the name is generated 348 * @name: buffer where the name is written 349 */ 350void part_set_generic_name(const struct blk_desc *desc, int part_num, 351 char *name); 352 353extern const struct block_drvr block_drvr[]; 354#else 355static inline struct blk_desc *blk_get_dev(const char *ifname, int dev) 356{ return NULL; } 357static inline struct blk_desc *mg_disk_get_dev(int dev) { return NULL; } 358 359static inline int part_get_info(struct blk_desc *desc, int part, 360 struct disk_partition *info) { return -1; } 361static inline int part_get_info_whole_disk(struct blk_desc *desc, 362 struct disk_partition *info) 363{ return -1; } 364static inline void part_print(struct blk_desc *desc) {} 365static inline void part_init(struct blk_desc *desc) {} 366static inline void dev_print(struct blk_desc *desc) {} 367static inline int blk_get_device_by_str(const char *ifname, const char *dev_str, 368 struct blk_desc **desc) 369{ return -1; } 370static inline int blk_get_device_part_str(const char *ifname, 371 const char *dev_part_str, 372 struct blk_desc **desc, 373 struct disk_partition *info, 374 int allow_whole_dev) 375{ *desc = NULL; return -1; } 376 377static inline int part_get_info_by_name(struct blk_desc *desc, const char *name, 378 struct disk_partition *info) 379{ 380 return -ENOENT; 381} 382 383static inline int 384part_get_info_by_dev_and_name_or_num(const char *dev_iface, 385 const char *dev_part_str, 386 struct blk_desc **desc, 387 struct disk_partition *part_info, 388 int allow_whole_dev) 389{ 390 *desc = NULL; 391 return -ENOSYS; 392} 393#endif 394 395struct udevice; 396/** 397 * disk_blk_read() - read blocks from a disk partition 398 * 399 * @dev: Device to read from (UCLASS_PARTITION) 400 * @start: Start block number to read in the partition (0=first) 401 * @blkcnt: Number of blocks to read 402 * @buffer: Destination buffer for data read 403 * Return: number of blocks read, or -ve error number (see the 404 * IS_ERR_VALUE() macro 405 */ 406ulong disk_blk_read(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, 407 void *buffer); 408 409/** 410 * disk_blk_write() - write to a disk partition 411 * 412 * @dev: Device to write to (UCLASS_PARTITION) 413 * @start: Start block number to write in the partition (0=first) 414 * @blkcnt: Number of blocks to write 415 * @buffer: Source buffer for data to write 416 * Return: number of blocks written, or -ve error number (see the 417 * IS_ERR_VALUE() macro 418 */ 419ulong disk_blk_write(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, 420 const void *buffer); 421 422/** 423 * disk_blk_erase() - erase a section of a disk partition 424 * 425 * @dev: Device to (partially) erase (UCLASS_PARTITION) 426 * @start: Start block number to erase in the partition (0=first) 427 * @blkcnt: Number of blocks to erase 428 * Return: number of blocks erased, or -ve error number (see the 429 * IS_ERR_VALUE() macro 430 */ 431ulong disk_blk_erase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt); 432 433/* 434 * We don't support printing partition information in SPL and only support 435 * getting partition information in a few cases. 436 */ 437#ifdef CONFIG_SPL_BUILD 438# define part_print_ptr(x) NULL 439# if defined(CONFIG_SPL_FS_EXT4) || defined(CONFIG_SPL_FS_FAT) || \ 440 defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION) 441# define part_get_info_ptr(x) x 442# else 443# define part_get_info_ptr(x) NULL 444# endif 445#else 446#define part_print_ptr(x) x 447#define part_get_info_ptr(x) x 448#endif 449 450/** 451 * struct part_driver - partition driver 452 */ 453struct part_driver { 454 /** @name: partition name */ 455 const char *name; 456 /** @part_type: (MBR) partition type */ 457 int part_type; 458 /** @max_entries: maximum number of partition table entries */ 459 const int max_entries; 460 /** 461 * @get_info: Get information about a partition 462 * 463 * @get_info.desc: Block device descriptor 464 * @get_info.part: Partition number (1 = first) 465 * @get_info.info: Returns partition information 466 */ 467 int (*get_info)(struct blk_desc *desc, int part, 468 struct disk_partition *info); 469 470 /** 471 * @print: Print partition information 472 * 473 * @print.desc: Block device descriptor 474 */ 475 void (*print)(struct blk_desc *desc); 476 477 /** 478 * @test: Test if a device contains this partition type 479 * 480 * @test.desc: Block device descriptor 481 * @test.Return: 482 * 0 if the block device appears to contain this partition type, 483 * -ve if not 484 */ 485 int (*test)(struct blk_desc *desc); 486}; 487 488/* Declare a new U-Boot partition 'driver' */ 489#define U_BOOT_PART_TYPE(__name) \ 490 ll_entry_declare(struct part_driver, __name, part_driver) 491 492#include <part_efi.h> 493 494#if CONFIG_IS_ENABLED(EFI_PARTITION) 495/* disk/part_efi.c */ 496/** 497 * write_gpt_table() - Write the GUID Partition Table to disk 498 * 499 * @desc: block device descriptor 500 * @gpt_h: pointer to GPT header representation 501 * @gpt_e: pointer to GPT partition table entries 502 * 503 * Return: zero on success, otherwise error 504 */ 505int write_gpt_table(struct blk_desc *desc, gpt_header *gpt_h, gpt_entry *gpt_e); 506 507/** 508 * gpt_fill_pte() - Fill the GPT partition table entry 509 * 510 * @desc: block device descriptor 511 * @gpt_h: GPT header representation 512 * @gpt_e: GPT partition table entries 513 * @partitions: list of partitions 514 * @parts: number of partitions 515 * 516 * Return: zero on success 517 */ 518int gpt_fill_pte(struct blk_desc *desc, gpt_header *gpt_h, gpt_entry *gpt_e, 519 struct disk_partition *partitions, int parts); 520 521/** 522 * gpt_fill_header() - Fill the GPT header 523 * 524 * @desc: block device descriptor 525 * @gpt_h: GPT header representation 526 * @str_guid: disk guid string representation 527 * @parts_count: number of partitions 528 * 529 * Return: error on str_guid conversion error 530 */ 531int gpt_fill_header(struct blk_desc *desc, gpt_header *gpt_h, char *str_guid, 532 int parts_count); 533 534/** 535 * gpt_restore() - Restore GPT partition table 536 * 537 * @desc: block device descriptor 538 * @str_disk_guid: disk GUID 539 * @partitions: list of partitions 540 * @parts_count: number of partitions 541 * 542 * Return: 0 on success 543 */ 544int gpt_restore(struct blk_desc *desc, char *str_disk_guid, 545 struct disk_partition *partitions, const int parts_count); 546 547/** 548 * is_valid_gpt_buf() - Ensure that the Primary GPT information is valid 549 * 550 * @desc: block device descriptor 551 * @buf: buffer which contains the MBR and Primary GPT info 552 * 553 * Return: 0 on success, otherwise error 554 */ 555int is_valid_gpt_buf(struct blk_desc *desc, void *buf); 556 557/** 558 * write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT 559 * 560 * @desc: block device descriptor 561 * @buf: buffer which contains the MBR and Primary GPT info 562 * 563 * Return: 0 on success, otherwise error 564 */ 565int write_mbr_and_gpt_partitions(struct blk_desc *desc, void *buf); 566 567/** 568 * gpt_verify_headers() - Read and check CRC32 of the GPT's header 569 * and partition table entries (PTE) 570 * 571 * As a side effect if sets gpt_head and gpt_pte so they point to GPT data. 572 * 573 * @desc: block device descriptor 574 * @gpt_head: pointer to GPT header data read from medium 575 * @gpt_pte: pointer to GPT partition table enties read from medium 576 * 577 * Return: 0 on success, otherwise error 578 */ 579int gpt_verify_headers(struct blk_desc *desc, gpt_header *gpt_head, 580 gpt_entry **gpt_pte); 581 582/** 583 * gpt_repair_headers() - Function to repair the GPT's header 584 * and partition table entries (PTE) 585 * 586 * @desc: block device descriptor 587 * 588 * Return: 0 on success, otherwise error 589 */ 590int gpt_repair_headers(struct blk_desc *desc); 591 592/** 593 * gpt_verify_partitions() - Function to check if partitions' name, start and 594 * size correspond to '$partitions' env variable 595 * 596 * This function checks if on medium stored GPT data is in sync with information 597 * provided in '$partitions' environment variable. Specificially, name, start 598 * and size of the partition is checked. 599 * 600 * @desc: block device descriptor 601 * @partitions: partition data read from '$partitions' env variable 602 * @parts: number of partitions read from '$partitions' env variable 603 * @gpt_head: pointer to GPT header data read from medium 604 * @gpt_pte: pointer to GPT partition table enties read from medium 605 * 606 * Return: 0 on success, otherwise error 607 */ 608int gpt_verify_partitions(struct blk_desc *desc, 609 struct disk_partition *partitions, int parts, 610 gpt_header *gpt_head, gpt_entry **gpt_pte); 611 612 613/** 614 * get_disk_guid() - Read the GUID string from a device's GPT 615 * 616 * This function reads the GUID string from a block device whose descriptor 617 * is provided. 618 * 619 * @desc: block device descriptor 620 * @guid: pre-allocated string in which to return the GUID 621 * 622 * Return: 0 on success, otherwise error 623 */ 624int get_disk_guid(struct blk_desc *desc, char *guid); 625 626#endif 627 628#if CONFIG_IS_ENABLED(DOS_PARTITION) 629/** 630 * is_valid_dos_buf() - Ensure that a DOS MBR image is valid 631 * 632 * @buf: buffer which contains the MBR 633 * 634 * Return: 0 on success, otherwise error 635 */ 636int is_valid_dos_buf(void *buf); 637 638/** 639 * write_mbr_sector() - write DOS MBR 640 * 641 * @desc: block device descriptor 642 * @buf: buffer which contains the MBR 643 * 644 * Return: 0 on success, otherwise error 645 */ 646int write_mbr_sector(struct blk_desc *desc, void *buf); 647 648int write_mbr_partitions(struct blk_desc *dev, 649 struct disk_partition *p, int count, unsigned int disksig); 650int layout_mbr_partitions(struct disk_partition *p, int count, 651 lbaint_t total_sectors); 652 653#endif 654 655#if CONFIG_IS_ENABLED(PARTITIONS) 656/** 657 * part_driver_get_count() - get partition driver count 658 * 659 * Return: number of partition drivers 660 */ 661static inline int part_driver_get_count(void) 662{ 663 return ll_entry_count(struct part_driver, part_driver); 664} 665 666/** 667 * part_driver_get_first() - get first partition driver 668 * 669 * Return: pointer to first partition driver on success, otherwise NULL 670 */ 671static inline struct part_driver *part_driver_get_first(void) 672{ 673 return ll_entry_start(struct part_driver, part_driver); 674} 675 676/** 677 * part_get_type_by_name() - Get partition type by name 678 * 679 * @name: Name of partition type to look up (not case-sensitive) 680 * Return: 681 * Corresponding partition type (PART\_TYPE\_...) or PART\_TYPE\_UNKNOWN 682 */ 683int part_get_type_by_name(const char *name); 684 685/** 686 * part_get_bootable() - Find the first bootable partition 687 * 688 * @desc: Block-device descriptor 689 * Return: first bootable partition, or 0 if there is none 690 */ 691int part_get_bootable(struct blk_desc *desc); 692 693#else 694static inline int part_driver_get_count(void) 695{ return 0; } 696 697static inline struct part_driver *part_driver_get_first(void) 698{ return NULL; } 699 700static inline bool part_get_bootable(struct blk_desc *desc) 701{ return false; } 702 703#endif /* CONFIG_PARTITIONS */ 704 705#endif /* _PART_H */ 706