[mirror_ubuntu-jammy-kernel.git] / block / partitions / check.h

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/pagemap.h>
#include <linux/blkdev.h>
#include <linux/genhd.h>
#include "../blk.h"

/*
 * add_gd_partition adds a partitions details to the devices partition
 * description.
 */
struct parsed_partitions {
	struct block_device *bdev;
	char name[BDEVNAME_SIZE];
	struct {
		sector_t from;
		sector_t size;
		int flags;
		bool has_info;
		struct partition_meta_info info;
	} *parts;
	int next;
	int limit;
	bool access_beyond_eod;
	char *pp_buf;
};

typedef struct {
	struct page *v;
} Sector;

void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
static inline void put_dev_sector(Sector p)
{
	put_page(p.v);
}

static inline void
put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
{
	if (n < p->limit) {
		char tmp[1 + BDEVNAME_SIZE + 10 + 1];

		p->parts[n].from = from;
		p->parts[n].size = size;
		snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
		strlcat(p->pp_buf, tmp, PAGE_SIZE);
	}
}

/* detection routines go here in alphabetical order: */
int adfspart_check_ADFS(struct parsed_partitions *state);
int adfspart_check_CUMANA(struct parsed_partitions *state);
int adfspart_check_EESOX(struct parsed_partitions *state);
int adfspart_check_ICS(struct parsed_partitions *state);
int adfspart_check_POWERTEC(struct parsed_partitions *state);
int aix_partition(struct parsed_partitions *state);
int amiga_partition(struct parsed_partitions *state);
int atari_partition(struct parsed_partitions *state);
int cmdline_partition(struct parsed_partitions *state);
int efi_partition(struct parsed_partitions *state);
int ibm_partition(struct parsed_partitions *);
int karma_partition(struct parsed_partitions *state);
int ldm_partition(struct parsed_partitions *state);
int mac_partition(struct parsed_partitions *state);
int msdos_partition(struct parsed_partitions *state);
int osf_partition(struct parsed_partitions *state);
int sgi_partition(struct parsed_partitions *state);
int sun_partition(struct parsed_partitions *state);
int sysv68_partition(struct parsed_partitions *state);
int ultrix_partition(struct parsed_partitions *state);
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#include <linux/pagemap.h>
1da177e4 LT	3	#include <linux/blkdev.h>
6d1d8050	4	#include <linux/genhd.h>
581e2600	5	#include "../blk.h"
1da177e4 LT	6
	7	/*
	8	* add_gd_partition adds a partitions details to the devices partition
	9	* description.
	10	*/
1da177e4	11	struct parsed_partitions {
1493bf21	12	struct block_device *bdev;
1da177e4 LT	13	char name[BDEVNAME_SIZE];
	14	struct {
	15	sector_t from;
	16	sector_t size;
	17	int flags;
6d1d8050 WD	18	bool has_info;
6d1d8050 WD	19	struct partition_meta_info info;
ac2e5327	20	} *parts;
1da177e4 LT	21	int next;
1da177e4 LT	22	int limit;
b403a98e	23	bool access_beyond_eod;
9c867fbe	24	char *pp_buf;
1da177e4 LT	25	};
1da177e4 LT	26
1a9fba3a CH	27	typedef struct {
	28	struct page *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)
1493bf21	33	{
1a9fba3a	34	put_page(p.v);
1493bf21 TH	35	}
1493bf21 TH	36
1da177e4 LT	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) {
9c867fbe AD	41	char tmp[1 + BDEVNAME_SIZE + 10 + 1];
9c867fbe AD	42
1da177e4 LT	43	p->parts[n].from = from;
1da177e4 LT	44	p->parts[n].size = size;
9c867fbe AD	45	snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
9c867fbe AD	46	strlcat(p->pp_buf, tmp, PAGE_SIZE);
1da177e4 LT	47	}
1da177e4 LT	48	}
3f1b95ef CH	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);