1#include <linux/pagemap.h>
 2#include <linux/blkdev.h>
 3#include <linux/genhd.h>
 
 4
 5/*
 6 * add_gd_partition adds a partitions details to the devices partition
 7 * description.
 8 */
 9struct parsed_partitions {
10	struct block_device *bdev;
11	char name[BDEVNAME_SIZE];
12	struct {
13		sector_t from;
14		sector_t size;
15		int flags;
16		bool has_info;
17		struct partition_meta_info info;
18	} *parts;
19	int next;
20	int limit;
21	bool access_beyond_eod;
22	char *pp_buf;
23};
24
25void free_partitions(struct parsed_partitions *state);
 
 
26
27struct parsed_partitions *
28check_partition(struct gendisk *, struct block_device *);
29
30static inline void *read_part_sector(struct parsed_partitions *state,
31				     sector_t n, Sector *p)
32{
33	if (n >= get_capacity(state->bdev->bd_disk)) {
34		state->access_beyond_eod = true;
35		return NULL;
36	}
37	return read_dev_sector(state->bdev, n, p);
38}
39
40static inline void
41put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
42{
43	if (n < p->limit) {
44		char tmp[1 + BDEVNAME_SIZE + 10 + 1];
45
46		p->parts[n].from = from;
47		p->parts[n].size = size;
48		snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
49		strlcat(p->pp_buf, tmp, PAGE_SIZE);
50	}
51}
52
53extern int warn_no_part;
54
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 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 */
11struct 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
27typedef struct {
28	struct page *v;
29} Sector;
30
31void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
32static inline void put_dev_sector(Sector p)
 
 
 
33{
34	put_page(p.v);
 
 
 
 
35}
36
37static inline void
38put_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: */
51int adfspart_check_ADFS(struct parsed_partitions *state);
52int adfspart_check_CUMANA(struct parsed_partitions *state);
53int adfspart_check_EESOX(struct parsed_partitions *state);
54int adfspart_check_ICS(struct parsed_partitions *state);
55int adfspart_check_POWERTEC(struct parsed_partitions *state);
56int aix_partition(struct parsed_partitions *state);
57int amiga_partition(struct parsed_partitions *state);
58int atari_partition(struct parsed_partitions *state);
59int cmdline_partition(struct parsed_partitions *state);
60int efi_partition(struct parsed_partitions *state);
61int ibm_partition(struct parsed_partitions *);
62int karma_partition(struct parsed_partitions *state);
63int ldm_partition(struct parsed_partitions *state);
64int mac_partition(struct parsed_partitions *state);
65int msdos_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);