1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #include <linux/pagemap.h>
3*4882a593Smuzhiyun #include <linux/blkdev.h>
4*4882a593Smuzhiyun #include <linux/genhd.h>
5*4882a593Smuzhiyun #include "../blk.h"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun /*
8*4882a593Smuzhiyun * add_gd_partition adds a partitions details to the devices partition
9*4882a593Smuzhiyun * description.
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun struct parsed_partitions {
12*4882a593Smuzhiyun struct block_device *bdev;
13*4882a593Smuzhiyun char name[BDEVNAME_SIZE];
14*4882a593Smuzhiyun struct {
15*4882a593Smuzhiyun sector_t from;
16*4882a593Smuzhiyun sector_t size;
17*4882a593Smuzhiyun int flags;
18*4882a593Smuzhiyun bool has_info;
19*4882a593Smuzhiyun struct partition_meta_info info;
20*4882a593Smuzhiyun } *parts;
21*4882a593Smuzhiyun int next;
22*4882a593Smuzhiyun int limit;
23*4882a593Smuzhiyun bool access_beyond_eod;
24*4882a593Smuzhiyun char *pp_buf;
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun typedef struct {
28*4882a593Smuzhiyun struct page *v;
29*4882a593Smuzhiyun } Sector;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p);
put_dev_sector(Sector p)32*4882a593Smuzhiyun static inline void put_dev_sector(Sector p)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun put_page(p.v);
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun static inline void
put_partition(struct parsed_partitions * p,int n,sector_t from,sector_t size)38*4882a593Smuzhiyun put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun if (n < p->limit) {
41*4882a593Smuzhiyun char tmp[1 + BDEVNAME_SIZE + 10 + 1];
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun p->parts[n].from = from;
44*4882a593Smuzhiyun p->parts[n].size = size;
45*4882a593Smuzhiyun snprintf(tmp, sizeof(tmp), " %s%d", p->name, n);
46*4882a593Smuzhiyun strlcat(p->pp_buf, tmp, PAGE_SIZE);
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun /* detection routines go here in alphabetical order: */
51*4882a593Smuzhiyun int adfspart_check_ADFS(struct parsed_partitions *state);
52*4882a593Smuzhiyun int adfspart_check_CUMANA(struct parsed_partitions *state);
53*4882a593Smuzhiyun int adfspart_check_EESOX(struct parsed_partitions *state);
54*4882a593Smuzhiyun int adfspart_check_ICS(struct parsed_partitions *state);
55*4882a593Smuzhiyun int adfspart_check_POWERTEC(struct parsed_partitions *state);
56*4882a593Smuzhiyun int aix_partition(struct parsed_partitions *state);
57*4882a593Smuzhiyun int amiga_partition(struct parsed_partitions *state);
58*4882a593Smuzhiyun int atari_partition(struct parsed_partitions *state);
59*4882a593Smuzhiyun int cmdline_partition(struct parsed_partitions *state);
60*4882a593Smuzhiyun int efi_partition(struct parsed_partitions *state);
61*4882a593Smuzhiyun int ibm_partition(struct parsed_partitions *);
62*4882a593Smuzhiyun int karma_partition(struct parsed_partitions *state);
63*4882a593Smuzhiyun int ldm_partition(struct parsed_partitions *state);
64*4882a593Smuzhiyun int mac_partition(struct parsed_partitions *state);
65*4882a593Smuzhiyun int msdos_partition(struct parsed_partitions *state);
66*4882a593Smuzhiyun int osf_partition(struct parsed_partitions *state);
67*4882a593Smuzhiyun int sgi_partition(struct parsed_partitions *state);
68*4882a593Smuzhiyun int sun_partition(struct parsed_partitions *state);
69*4882a593Smuzhiyun int sysv68_partition(struct parsed_partitions *state);
70*4882a593Smuzhiyun int ultrix_partition(struct parsed_partitions *state);
71