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