61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* fs/partitions/karma.c
|
||
|
|
* Rio Karma partition info.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006 Bob Copeland (me@bobcopeland.com)
|
||
|
|
* based on osf.c
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "check.h"
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
|
||
|
|
#define KARMA_LABEL_MAGIC 0xAB56
|
||
|
|
|
||
|
|
int karma_partition(struct parsed_partitions *state)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int slot = 1;
|
||
|
|
Sector sect;
|
||
|
|
unsigned char *data;
|
||
|
|
struct disklabel {
|
||
|
|
u8 d_reserved[270];
|
||
|
|
struct d_partition {
|
||
|
|
__le32 p_res;
|
||
|
|
u8 p_fstype;
|
||
|
|
u8 p_res2[3];
|
||
|
|
__le32 p_offset;
|
||
|
|
__le32 p_size;
|
||
|
|
} d_partitions[2];
|
||
|
|
u8 d_blank[208];
|
||
|
|
__le16 d_magic;
|
||
|
|
} __packed *label;
|
||
|
|
struct d_partition *p;
|
||
|
|
|
||
|
|
data = read_part_sector(state, 0, §);
|
||
|
|
if (!data)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
label = (struct disklabel *)data;
|
||
|
|
if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) {
|
||
|
|
put_dev_sector(sect);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
p = label->d_partitions;
|
||
|
|
for (i = 0 ; i < 2; i++, p++) {
|
||
|
|
if (slot == state->limit)
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) {
|
||
|
|
put_partition(state, slot, le32_to_cpu(p->p_offset),
|
||
|
|
le32_to_cpu(p->p_size));
|
||
|
|
}
|
||
|
|
slot++;
|
||
|
|
}
|
||
|
|
strlcat(state->pp_buf, "\n", PAGE_SIZE);
|
||
|
|
put_dev_sector(sect);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|