linux - block/partitions/check.h

68 lines · 2.1 KiB

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);