1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/pagemap.h>
3 #include <linux/blkdev.h>
4 #include <linux/genhd.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 block_device *bdev;
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 char *pp_buf;
25 };
26
27 typedef struct {
28 struct page *v;
29 } Sector;
30
31 void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
put_dev_sector(Sector p)32 static inline void put_dev_sector(Sector p)
33 {
34 put_page(p.v);
35 }
36
37 static inline void
put_partition(struct parsed_partitions * p,int n,sector_t from,sector_t size)38 put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
39 {
40 if (n < p->limit) {
41 char tmp[1 + BDEVNAME_SIZE + 10 + 1];
42
43 p->parts[n].from = from;
44 p->parts[n].size = size;
45 snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
46 strlcat(p->pp_buf, tmp, PAGE_SIZE);
47 }
48 }
49
50 /* detection routines go here in alphabetical order: */
51 int adfspart_check_ADFS(struct parsed_partitions *state);
52 int adfspart_check_CUMANA(struct parsed_partitions *state);
53 int adfspart_check_EESOX(struct parsed_partitions *state);
54 int adfspart_check_ICS(struct parsed_partitions *state);
55 int adfspart_check_POWERTEC(struct parsed_partitions *state);
56 int aix_partition(struct parsed_partitions *state);
57 int amiga_partition(struct parsed_partitions *state);
58 int atari_partition(struct parsed_partitions *state);
59 int cmdline_partition(struct parsed_partitions *state);
60 int efi_partition(struct parsed_partitions *state);
61 int ibm_partition(struct parsed_partitions *);
62 int karma_partition(struct parsed_partitions *state);
63 int ldm_partition(struct parsed_partitions *state);
64 int mac_partition(struct parsed_partitions *state);
65 int msdos_partition(struct parsed_partitions *state);
66 int osf_partition(struct parsed_partitions *state);
67 int sgi_partition(struct parsed_partitions *state);
68 int sun_partition(struct parsed_partitions *state);
69 int sysv68_partition(struct parsed_partitions *state);
70 int ultrix_partition(struct parsed_partitions *state);
71
