58 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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 (me@bobcopeland.com)
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 *  based on osf.c
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 */
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#include "check.h"
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#include "karma.h"
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int karma_partition(struct parsed_partitions *state, struct block_device *bdev)
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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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	} __attribute__((packed)) *label;
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	struct d_partition *p;
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	data = read_dev_sector(bdev, 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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	printk("\n");
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	put_dev_sector(sect);
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	return 1;
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}
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