struct promise_raid_conf {    char                promise_id[24];    u32             dummy_0;    u32             magic_0;    u32             dummy_1;    u32             magic_1;    u16             dummy_2;    u8              filler1[470];    struct {        u32 flags;                          /* 0x200 */        u8          dummy_0;        u8          disk_number;        u8          channel;        u8          device;        u32         magic_0;        u32         dummy_1;        u32         dummy_2;                /* 0x210 */        u32         disk_secs;        u32         dummy_3;        u16         dummy_4;        u8          status;        u8          type;        u8        total_disks;            /* 0x220 */        u8        raid0_shift;        u8        raid0_disks;        u8        array_number;        u32       total_secs;        u16       cylinders;        u8        heads;        u8        sectors;        u32         magic_1;        u32         dummy_5;                /* 0x230 */        struct {            u16     dummy_0;            u8      channel;            u8      device;            u32     magic_0;            u32     disk_number;        } disk[8];    } raid;    u32             filler2[346];    u32            checksum;};#define PR_MAGIC        "Promise Technology, Inc."