1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/pagemap.h> 2 #include <linux/pagemap.h>
3 #include <linux/blkdev.h> 3 #include <linux/blkdev.h>
4 #include "../blk.h" 4 #include "../blk.h"
5 5
6 /* 6 /*
7 * add_gd_partition adds a partitions details 7 * add_gd_partition adds a partitions details to the devices partition
8 * description. 8 * description.
9 */ 9 */
10 struct parsed_partitions { 10 struct parsed_partitions {
11 struct gendisk *disk; 11 struct gendisk *disk;
12 char name[BDEVNAME_SIZE]; 12 char name[BDEVNAME_SIZE];
13 struct { 13 struct {
14 sector_t from; 14 sector_t from;
15 sector_t size; 15 sector_t size;
16 int flags; 16 int flags;
17 bool has_info; 17 bool has_info;
18 struct partition_meta_info inf 18 struct partition_meta_info info;
19 } *parts; 19 } *parts;
20 int next; 20 int next;
21 int limit; 21 int limit;
22 bool access_beyond_eod; 22 bool access_beyond_eod;
23 char *pp_buf; 23 char *pp_buf;
24 }; 24 };
25 25
26 typedef struct { 26 typedef struct {
27 struct folio *v; 27 struct folio *v;
28 } Sector; 28 } Sector;
29 29
30 void *read_part_sector(struct parsed_partition 30 void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
31 static inline void put_dev_sector(Sector p) 31 static inline void put_dev_sector(Sector p)
32 { 32 {
33 folio_put(p.v); 33 folio_put(p.v);
34 } 34 }
35 35
36 static inline void 36 static inline void
37 put_partition(struct parsed_partitions *p, int 37 put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
38 { 38 {
39 if (n < p->limit) { 39 if (n < p->limit) {
40 char tmp[1 + BDEVNAME_SIZE + 1 40 char tmp[1 + BDEVNAME_SIZE + 10 + 1];
41 41
42 p->parts[n].from = from; 42 p->parts[n].from = from;
43 p->parts[n].size = size; 43 p->parts[n].size = size;
44 snprintf(tmp, sizeof(tmp), " % 44 snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
45 strlcat(p->pp_buf, tmp, PAGE_S 45 strlcat(p->pp_buf, tmp, PAGE_SIZE);
46 } 46 }
47 } 47 }
48 48
49 /* detection routines go here in alphabetical 49 /* detection routines go here in alphabetical order: */
50 int adfspart_check_ADFS(struct parsed_partitio 50 int adfspart_check_ADFS(struct parsed_partitions *state);
51 int adfspart_check_CUMANA(struct parsed_partit 51 int adfspart_check_CUMANA(struct parsed_partitions *state);
52 int adfspart_check_EESOX(struct parsed_partiti 52 int adfspart_check_EESOX(struct parsed_partitions *state);
53 int adfspart_check_ICS(struct parsed_partition 53 int adfspart_check_ICS(struct parsed_partitions *state);
54 int adfspart_check_POWERTEC(struct parsed_part 54 int adfspart_check_POWERTEC(struct parsed_partitions *state);
55 int aix_partition(struct parsed_partitions *st 55 int aix_partition(struct parsed_partitions *state);
56 int amiga_partition(struct parsed_partitions * 56 int amiga_partition(struct parsed_partitions *state);
57 int atari_partition(struct parsed_partitions * 57 int atari_partition(struct parsed_partitions *state);
58 int cmdline_partition(struct parsed_partitions 58 int cmdline_partition(struct parsed_partitions *state);
59 int efi_partition(struct parsed_partitions *st 59 int efi_partition(struct parsed_partitions *state);
60 int ibm_partition(struct parsed_partitions *); 60 int ibm_partition(struct parsed_partitions *);
61 int karma_partition(struct parsed_partitions * 61 int karma_partition(struct parsed_partitions *state);
62 int ldm_partition(struct parsed_partitions *st 62 int ldm_partition(struct parsed_partitions *state);
63 int mac_partition(struct parsed_partitions *st 63 int mac_partition(struct parsed_partitions *state);
64 int msdos_partition(struct parsed_partitions * 64 int msdos_partition(struct parsed_partitions *state);
65 int osf_partition(struct parsed_partitions *st 65 int osf_partition(struct parsed_partitions *state);
66 int sgi_partition(struct parsed_partitions *st 66 int sgi_partition(struct parsed_partitions *state);
67 int sun_partition(struct parsed_partitions *st 67 int sun_partition(struct parsed_partitions *state);
68 int sysv68_partition(struct parsed_partitions 68 int sysv68_partition(struct parsed_partitions *state);
69 int ultrix_partition(struct parsed_partitions 69 int ultrix_partition(struct parsed_partitions *state);
70 70
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