[linux-block.git] / block / partitions / check.h

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

/*
 * add_gd_partition adds a partitions details to the devices partition
 * description.
 */
struct parsed_partitions {
	struct gendisk *disk;
	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 folio *v;
} Sector;

void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
static inline void put_dev_sector(Sector p)
{
	folio_put(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>
581e2600	4	#include "../blk.h"
1da177e4 LT	5
	6	/*
	7	* add_gd_partition adds a partitions details to the devices partition
	8	* description.
	9	*/
1da177e4	10	struct parsed_partitions {
a08aa9bc	11	struct gendisk *disk;
1da177e4 LT	12	char name[BDEVNAME_SIZE];
	13	struct {
	14	sector_t from;
	15	sector_t size;
	16	int flags;
6d1d8050 WD	17	bool has_info;
6d1d8050 WD	18	struct partition_meta_info info;
ac2e5327	19	} *parts;
1da177e4 LT	20	int next;
1da177e4 LT	21	int limit;
b403a98e	22	bool access_beyond_eod;
9c867fbe	23	char *pp_buf;
1da177e4 LT	24	};
1da177e4 LT	25
1a9fba3a	26	typedef struct {
4fdc08d4	27	struct folio *v;
1a9fba3a CH	28	} Sector;
	29
	30	void read_part_sector(struct parsed_partitions state, sector_t n, Sector *p);
	31	static inline void put_dev_sector(Sector p)
1493bf21	32	{
4fdc08d4	33	folio_put(p.v);
1493bf21 TH	34	}
1493bf21 TH	35
1da177e4 LT	36	static inline void
	37	put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
	38	{
	39	if (n < p->limit) {
9c867fbe AD	40	char tmp[1 + BDEVNAME_SIZE + 10 + 1];
9c867fbe AD	41
1da177e4 LT	42	p->parts[n].from = from;
1da177e4 LT	43	p->parts[n].size = size;
9c867fbe AD	44	snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
9c867fbe AD	45	strlcat(p->pp_buf, tmp, PAGE_SIZE);
1da177e4 LT	46	}
1da177e4 LT	47	}
3f1b95ef CH	48
	49	/* detection routines go here in alphabetical order: */
	50	int adfspart_check_ADFS(struct parsed_partitions *state);
	51	int adfspart_check_CUMANA(struct parsed_partitions *state);
	52	int adfspart_check_EESOX(struct parsed_partitions *state);
	53	int adfspart_check_ICS(struct parsed_partitions *state);
	54	int adfspart_check_POWERTEC(struct parsed_partitions *state);
	55	int aix_partition(struct parsed_partitions *state);
	56	int amiga_partition(struct parsed_partitions *state);
	57	int atari_partition(struct parsed_partitions *state);
	58	int cmdline_partition(struct parsed_partitions *state);
	59	int efi_partition(struct parsed_partitions *state);
	60	int ibm_partition(struct parsed_partitions *);
	61	int karma_partition(struct parsed_partitions *state);
	62	int ldm_partition(struct parsed_partitions *state);
	63	int mac_partition(struct parsed_partitions *state);
	64	int msdos_partition(struct parsed_partitions *state);
	65	int osf_partition(struct parsed_partitions *state);
	66	int sgi_partition(struct parsed_partitions *state);
	67	int sun_partition(struct parsed_partitions *state);
	68	int sysv68_partition(struct parsed_partitions *state);
	69	int ultrix_partition(struct parsed_partitions *state);