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