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/*

 *  fs/partitions/karma.c

 *  Rio Karma partition info.

 *

 *  Copyright (C) 2006 Bob Copeland (me@bobcopeland.com)

 *  based on osf.c

 */

#include "check.h"

#include "karma.h"

int karma_partition(struct parsed_partitions *state, struct block_device *bdev)

{

        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;

        } __attribute__((packed)) *label;

        struct d_partition *p;

        data = read_dev_sector(bdev, 0, &sect);

        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++;

        }

        printk("\n");

        put_dev_sector(sect);

        return 1;

}