diff options
Diffstat (limited to 'block/partitions/karma.c')
| -rw-r--r-- | block/partitions/karma.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/block/partitions/karma.c b/block/partitions/karma.c new file mode 100644 index 000000000..4d93512f4 --- /dev/null +++ b/block/partitions/karma.c @@ -0,0 +1,60 @@ +// 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; +} + |