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zipl/boot: move SCSI superblock struct definitions to boot_defs.h for reuse

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To reduce duplication of definitions and facilitate reuse between zipl
and zgetdump.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Alexander Egorenkov
2022-06-01 07:01:38 +02:00
committed by Jan Höppner
parent 012b842652
commit 446ace09ad
2 changed files with 19 additions and 19 deletions
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19
include/boot/boot_defs.h
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@@ -102,4 +102,23 @@ struct component_entry {
component_data compdat;
} __packed;
/* SCSI dump super block */
struct scsi_dump_sb {
uint64_t magic;
uint64_t version;
uint64_t part_start;
uint64_t part_size;
uint64_t dump_offset;
uint64_t dump_size;
uint64_t csum_offset;
uint64_t csum_size;
uint64_t csum;
} __packed;
#define SCSI_DUMP_SB_MAGIC 0x5a46435044554d50ULL /* ZFCPDUMP */
/* To avoid a csum entry of 0 a seed is used */
#define SCSI_DUMP_SB_SEED 0x12345678
#define SCSI_DUMP_SB_CSUM_SIZE 4096
#endif /* BOOT_DEFS_H */