| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/pagemap.h> |
| 3 | #include <linux/blkdev.h> |
| 4 | #include "../blk.h" |
| 5 | |
| 6 | /* |
| 7 | * add_gd_partition adds a partitions details to the devices partition |
| 8 | * description. |
| 9 | */ |
| 10 | struct parsed_partitions { |
| 11 | struct gendisk *disk; |
| 12 | char name[BDEVNAME_SIZE]; |
| 13 | struct { |
| 14 | sector_t from; |
| 15 | sector_t size; |
| 16 | int flags; |
| 17 | bool has_info; |
| 18 | struct partition_meta_info info; |
| 19 | } *parts; |
| 20 | int next; |
| 21 | int limit; |
| 22 | bool access_beyond_eod; |
| 23 | char *pp_buf; |
| 24 | }; |
| 25 | |
| 26 | typedef struct { |
| 27 | struct folio *v; |
| 28 | } Sector; |
| 29 | |
| 30 | void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p); |
| 31 | static inline void put_dev_sector(Sector p) |
| 32 | { |
| 33 | folio_put(p.v); |
| 34 | } |
| 35 | |
| 36 | static inline void |
| 37 | put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size) |
| 38 | { |
| 39 | if (n < p->limit) { |
| 40 | char tmp[1 + BDEVNAME_SIZE + 10 + 1]; |
| 41 | |
| 42 | p->parts[n].from = from; |
| 43 | p->parts[n].size = size; |
| 44 | snprintf(tmp, sizeof(tmp), " %s%d", p->name, n); |
| 45 | strlcat(p->pp_buf, tmp, PAGE_SIZE); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | /* detection routines go here in alphabetical order: */ |
| 50 | int adfspart_check_ADFS(struct parsed_partitions *state); |
| 51 | int adfspart_check_CUMANA(struct parsed_partitions *state); |
| 52 | int adfspart_check_EESOX(struct parsed_partitions *state); |
| 53 | int adfspart_check_ICS(struct parsed_partitions *state); |
| 54 | int adfspart_check_POWERTEC(struct parsed_partitions *state); |
| 55 | int aix_partition(struct parsed_partitions *state); |
| 56 | int amiga_partition(struct parsed_partitions *state); |
| 57 | int atari_partition(struct parsed_partitions *state); |
| 58 | int cmdline_partition(struct parsed_partitions *state); |
| 59 | int efi_partition(struct parsed_partitions *state); |
| 60 | int ibm_partition(struct parsed_partitions *); |
| 61 | int karma_partition(struct parsed_partitions *state); |
| 62 | int ldm_partition(struct parsed_partitions *state); |
| 63 | int mac_partition(struct parsed_partitions *state); |
| 64 | int msdos_partition(struct parsed_partitions *state); |
| 65 | int osf_partition(struct parsed_partitions *state); |
| 66 | int sgi_partition(struct parsed_partitions *state); |
| 67 | int sun_partition(struct parsed_partitions *state); |
| 68 | int sysv68_partition(struct parsed_partitions *state); |
| 69 | int ultrix_partition(struct parsed_partitions *state); |