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

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 07:07:59 +02:00
committed by Jan Höppner
parent 4a8e52a019
commit ba7bf2f6d3
2 changed files with 47 additions and 47 deletions

View File

@@ -121,4 +121,51 @@ struct scsi_dump_sb {
#define SCSI_DUMP_SB_SEED 0x12345678
#define SCSI_DUMP_SB_CSUM_SIZE 4096
/* Boot info */
#define BOOT_INFO_VERSION 1
#define BOOT_INFO_MAGIC "zIPL"
#define BOOT_INFO_DEV_TYPE_ECKD 0x00
#define BOOT_INFO_DEV_TYPE_FBA 0x01
#define BOOT_INFO_DEV_TYPE_SCSI 0x02
#define BOOT_INFO_BP_TYPE_IPL 0x00
#define BOOT_INFO_BP_TYPE_DUMP 0x01
#ifdef __s390x__
#define BOOT_INFO_FLAGS_ARCH 0x01
#else
#define BOOT_INFO_FLAGS_ARCH 0x00
#endif
struct boot_info_bp_dump {
union {
struct eckd_dump_param eckd;
struct fba_dump_param fba;
struct scsi_dump_param scsi;
} param;
uint8_t unused[16];
} __packed;
struct boot_info_bp_ipl {
union {
struct eckd_blockptr eckd;
struct linear_blockptr lin;
} bm_ptr;
uint8_t unused[16];
} __packed;
struct boot_info {
char magic[4];
uint8_t version;
uint8_t bp_type;
uint8_t dev_type;
uint8_t flags;
union {
struct boot_info_bp_dump dump;
struct boot_info_bp_ipl ipl;
} bp;
} __packed;
#endif /* BOOT_DEFS_H */

View File

@@ -24,53 +24,6 @@
#define STAGE2_BLK_CNT_MAX 24 /* Stage 1b can load up to 24 blocks */
#define STAGE1B_BLK_CNT_MAX 2 /* Stage 1 can load up to 2 blocks */
/* Boot info */
#define BOOT_INFO_VERSION 1
#define BOOT_INFO_MAGIC "zIPL"
#define BOOT_INFO_DEV_TYPE_ECKD 0x00
#define BOOT_INFO_DEV_TYPE_FBA 0x01
#define BOOT_INFO_DEV_TYPE_SCSI 0x02
#define BOOT_INFO_BP_TYPE_IPL 0x00
#define BOOT_INFO_BP_TYPE_DUMP 0x01
#ifdef __s390x__
#define BOOT_INFO_FLAGS_ARCH 0x01
#else
#define BOOT_INFO_FLAGS_ARCH 0x00
#endif
struct boot_info_bp_dump {
union {
struct eckd_dump_param eckd;
struct fba_dump_param fba;
struct scsi_dump_param scsi;
} param;
uint8_t unused[16];
} __packed;
struct boot_info_bp_ipl {
union {
struct eckd_blockptr eckd;
struct linear_blockptr lin;
} bm_ptr;
uint8_t unused[16];
} __packed;
struct boot_info {
char magic[4];
uint8_t version;
uint8_t bp_type;
uint8_t dev_type;
uint8_t flags;
union {
struct boot_info_bp_dump dump;
struct boot_info_bp_ipl ipl;
} bp;
} __packed;
struct boot_ccw0 {
uint8_t cmd;
uint8_t address_hi;