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1/*
2 * fs/partitions/karma.c
3 * Rio Karma partition info.
4 *
5 * Copyright (C) 2006 Bob Copeland (me@bobcopeland.com)
6 * based on osf.c
7 */
8
9#include "check.h"
10#include "karma.h"
11#include <linux/compiler.h>
12
13int karma_partition(struct parsed_partitions *state)
14{
15 int i;
16 int slot = 1;
17 Sector sect;
18 unsigned char *data;
19 struct disklabel {
20 u8 d_reserved[270];
21 struct d_partition {
22 __le32 p_res;
23 u8 p_fstype;
24 u8 p_res2[3];
25 __le32 p_offset;
26 __le32 p_size;
27 } d_partitions[2];
28 u8 d_blank[208];
29 __le16 d_magic;
30 } __packed *label;
31 struct d_partition *p;
32
33 data = read_part_sector(state, 0, §);
34 if (!data)
35 return -1;
36
37 label = (struct disklabel *)data;
38 if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) {
39 put_dev_sector(sect);
40 return 0;
41 }
42
43 p = label->d_partitions;
44 for (i = 0 ; i < 2; i++, p++) {
45 if (slot == state->limit)
46 break;
47
48 if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) {
49 put_partition(state, slot, le32_to_cpu(p->p_offset),
50 le32_to_cpu(p->p_size));
51 }
52 slot++;
53 }
54 strlcat(state->pp_buf, "\n", PAGE_SIZE);
55 put_dev_sector(sect);
56 return 1;
57}
58
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * fs/partitions/karma.c
4 * Rio Karma partition info.
5 *
6 * Copyright (C) 2006 Bob Copeland (me@bobcopeland.com)
7 * based on osf.c
8 */
9
10#include "check.h"
11#include <linux/compiler.h>
12
13#define KARMA_LABEL_MAGIC 0xAB56
14
15int karma_partition(struct parsed_partitions *state)
16{
17 int i;
18 int slot = 1;
19 Sector sect;
20 unsigned char *data;
21 struct disklabel {
22 u8 d_reserved[270];
23 struct d_partition {
24 __le32 p_res;
25 u8 p_fstype;
26 u8 p_res2[3];
27 __le32 p_offset;
28 __le32 p_size;
29 } d_partitions[2];
30 u8 d_blank[208];
31 __le16 d_magic;
32 } __packed *label;
33 struct d_partition *p;
34
35 data = read_part_sector(state, 0, §);
36 if (!data)
37 return -1;
38
39 label = (struct disklabel *)data;
40 if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) {
41 put_dev_sector(sect);
42 return 0;
43 }
44
45 p = label->d_partitions;
46 for (i = 0 ; i < 2; i++, p++) {
47 if (slot == state->limit)
48 break;
49
50 if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) {
51 put_partition(state, slot, le32_to_cpu(p->p_offset),
52 le32_to_cpu(p->p_size));
53 }
54 slot++;
55 }
56 strlcat(state->pp_buf, "\n", PAGE_SIZE);
57 put_dev_sector(sect);
58 return 1;
59}
60