763968e217
Monthly sparse warning avoidance patch. Sigh. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
151 lines
2.6 KiB
C
151 lines
2.6 KiB
C
/*
|
|
* s390 (re)ipl support
|
|
*
|
|
* Copyright IBM Corp. 2007
|
|
*/
|
|
|
|
#ifndef _ASM_S390_IPL_H
|
|
#define _ASM_S390_IPL_H
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/cio.h>
|
|
#include <asm/setup.h>
|
|
|
|
#define IPL_PARMBLOCK_ORIGIN 0x2000
|
|
|
|
#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
|
|
sizeof(struct ipl_block_fcp))
|
|
|
|
#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8)
|
|
|
|
#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
|
|
sizeof(struct ipl_block_ccw))
|
|
|
|
#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8)
|
|
|
|
#define IPL_MAX_SUPPORTED_VERSION (0)
|
|
|
|
#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
|
|
IPL_PARMBLOCK_ORIGIN)
|
|
#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
|
|
|
|
struct ipl_list_hdr {
|
|
u32 len;
|
|
u8 reserved1[3];
|
|
u8 version;
|
|
u32 blk0_len;
|
|
u8 pbt;
|
|
u8 flags;
|
|
u16 reserved2;
|
|
} __attribute__((packed));
|
|
|
|
struct ipl_block_fcp {
|
|
u8 reserved1[313-1];
|
|
u8 opt;
|
|
u8 reserved2[3];
|
|
u16 reserved3;
|
|
u16 devno;
|
|
u8 reserved4[4];
|
|
u64 wwpn;
|
|
u64 lun;
|
|
u32 bootprog;
|
|
u8 reserved5[12];
|
|
u64 br_lba;
|
|
u32 scp_data_len;
|
|
u8 reserved6[260];
|
|
u8 scp_data[];
|
|
} __attribute__((packed));
|
|
|
|
struct ipl_block_ccw {
|
|
u8 load_param[8];
|
|
u8 reserved1[84];
|
|
u8 reserved2[2];
|
|
u16 devno;
|
|
u8 vm_flags;
|
|
u8 reserved3[3];
|
|
u32 vm_parm_len;
|
|
u8 reserved4[80];
|
|
} __attribute__((packed));
|
|
|
|
struct ipl_parameter_block {
|
|
struct ipl_list_hdr hdr;
|
|
union {
|
|
struct ipl_block_fcp fcp;
|
|
struct ipl_block_ccw ccw;
|
|
} ipl_info;
|
|
} __attribute__((packed));
|
|
|
|
/*
|
|
* IPL validity flags
|
|
*/
|
|
extern u32 ipl_flags;
|
|
extern u32 dump_prefix_page;
|
|
extern unsigned int zfcpdump_prefix_array[];
|
|
|
|
extern void do_reipl(void);
|
|
extern void ipl_save_parameters(void);
|
|
|
|
enum {
|
|
IPL_DEVNO_VALID = 1,
|
|
IPL_PARMBLOCK_VALID = 2,
|
|
IPL_NSS_VALID = 4,
|
|
};
|
|
|
|
enum ipl_type {
|
|
IPL_TYPE_UNKNOWN = 1,
|
|
IPL_TYPE_CCW = 2,
|
|
IPL_TYPE_FCP = 4,
|
|
IPL_TYPE_FCP_DUMP = 8,
|
|
IPL_TYPE_NSS = 16,
|
|
};
|
|
|
|
struct ipl_info
|
|
{
|
|
enum ipl_type type;
|
|
union {
|
|
struct {
|
|
struct ccw_dev_id dev_id;
|
|
} ccw;
|
|
struct {
|
|
struct ccw_dev_id dev_id;
|
|
u64 wwpn;
|
|
u64 lun;
|
|
} fcp;
|
|
struct {
|
|
char name[NSS_NAME_SIZE + 1];
|
|
} nss;
|
|
} data;
|
|
};
|
|
|
|
extern struct ipl_info ipl_info;
|
|
extern void setup_ipl_info(void);
|
|
|
|
/*
|
|
* DIAG 308 support
|
|
*/
|
|
enum diag308_subcode {
|
|
DIAG308_REL_HSA = 2,
|
|
DIAG308_IPL = 3,
|
|
DIAG308_DUMP = 4,
|
|
DIAG308_SET = 5,
|
|
DIAG308_STORE = 6,
|
|
};
|
|
|
|
enum diag308_ipl_type {
|
|
DIAG308_IPL_TYPE_FCP = 0,
|
|
DIAG308_IPL_TYPE_CCW = 2,
|
|
};
|
|
|
|
enum diag308_opt {
|
|
DIAG308_IPL_OPT_IPL = 0x10,
|
|
DIAG308_IPL_OPT_DUMP = 0x20,
|
|
};
|
|
|
|
enum diag308_rc {
|
|
DIAG308_RC_OK = 1,
|
|
};
|
|
|
|
extern int diag308(unsigned long subcode, void *addr);
|
|
|
|
#endif /* _ASM_S390_IPL_H */
|