1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <linux/pagemap.h>
 3#include <linux/blkdev.h>
 4#include <linux/genhd.h>
 5
 6/*
 7 * add_gd_partition adds a partitions details to the devices partition
 8 * description.
 9 */
10struct parsed_partitions {
11	struct block_device *bdev;
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
26void free_partitions(struct parsed_partitions *state);
 
 
27
28struct parsed_partitions *
29check_partition(struct gendisk *, struct block_device *);
30
31static inline void *read_part_sector(struct parsed_partitions *state,
32				     sector_t n, Sector *p)
33{
34	if (n >= get_capacity(state->bdev->bd_disk)) {
35		state->access_beyond_eod = true;
36		return NULL;
37	}
38	return read_dev_sector(state->bdev, n, p);
39}
40
41static inline void
42put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
43{
44	if (n < p->limit) {
45		char tmp[1 + BDEVNAME_SIZE + 10 + 1];
46
47		p->parts[n].from = from;
48		p->parts[n].size = size;
49		snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
50		strlcat(p->pp_buf, tmp, PAGE_SIZE);
51	}
52}
53
54extern int warn_no_part;
55
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 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 */
10struct 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
26typedef struct {
27	struct folio *v;
28} Sector;
29
30void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
31static inline void put_dev_sector(Sector p)
 
 
 
32{
33	folio_put(p.v);
 
 
 
 
34}
35
36static inline void
37put_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: */
50int adfspart_check_ADFS(struct parsed_partitions *state);
51int adfspart_check_CUMANA(struct parsed_partitions *state);
52int adfspart_check_EESOX(struct parsed_partitions *state);
53int adfspart_check_ICS(struct parsed_partitions *state);
54int adfspart_check_POWERTEC(struct parsed_partitions *state);
55int aix_partition(struct parsed_partitions *state);
56int amiga_partition(struct parsed_partitions *state);
57int atari_partition(struct parsed_partitions *state);
58int cmdline_partition(struct parsed_partitions *state);
59int efi_partition(struct parsed_partitions *state);
60int ibm_partition(struct parsed_partitions *);
61int karma_partition(struct parsed_partitions *state);
62int ldm_partition(struct parsed_partitions *state);
63int mac_partition(struct parsed_partitions *state);
64int msdos_partition(struct parsed_partitions *state);
65int of_partition(struct parsed_partitions *state);
66int osf_partition(struct parsed_partitions *state);
67int sgi_partition(struct parsed_partitions *state);
68int sun_partition(struct parsed_partitions *state);
69int sysv68_partition(struct parsed_partitions *state);
70int ultrix_partition(struct parsed_partitions *state);