4 * Copyright IBM Corp. 2007
7 #ifndef _ASM_S390_IPL_H
8 #define _ASM_S390_IPL_H
10 #include <asm/lowcore.h>
11 #include <asm/types.h>
13 #include <asm/setup.h>
15 #define IPL_PARMBLOCK_ORIGIN 0x2000
17 #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
18 sizeof(struct ipl_block_fcp))
20 #define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8)
22 #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
23 sizeof(struct ipl_block_ccw))
25 #define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8)
27 #define IPL_MAX_SUPPORTED_VERSION (0)
29 #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
31 #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
41 } __attribute__((packed
));
43 struct ipl_block_fcp
{
58 } __attribute__((packed
));
60 #define DIAG308_VMPARM_SIZE 64
61 #define DIAG308_SCPDATA_SIZE (PAGE_SIZE - (sizeof(struct ipl_list_hdr) + \
62 offsetof(struct ipl_block_fcp, scp_data)))
64 struct ipl_block_ccw
{
73 u8 vm_parm
[DIAG308_VMPARM_SIZE
];
75 } __attribute__((packed
));
77 struct ipl_parameter_block
{
78 struct ipl_list_hdr hdr
;
80 struct ipl_block_fcp fcp
;
81 struct ipl_block_ccw ccw
;
83 } __attribute__((packed
,aligned(4096)));
89 extern u32 dump_prefix_page
;
90 extern unsigned int zfcpdump_prefix_array
[];
92 struct dump_save_areas
{
93 struct save_area
**areas
;
97 extern struct dump_save_areas dump_save_areas
;
98 struct save_area
*dump_save_area_create(int cpu
);
100 extern void do_reipl(void);
101 extern void do_halt(void);
102 extern void do_poff(void);
103 extern void ipl_save_parameters(void);
104 extern void ipl_update_parameters(void);
105 extern size_t append_ipl_vmparm(char *, size_t);
106 extern size_t append_ipl_scpdata(char *, size_t);
110 IPL_PARMBLOCK_VALID
= 2,
115 IPL_TYPE_UNKNOWN
= 1,
118 IPL_TYPE_FCP_DUMP
= 8,
127 struct ccw_dev_id dev_id
;
130 struct ccw_dev_id dev_id
;
135 char name
[NSS_NAME_SIZE
+ 1];
140 extern struct ipl_info ipl_info
;
141 extern void setup_ipl(void);
146 enum diag308_subcode
{
154 enum diag308_ipl_type
{
155 DIAG308_IPL_TYPE_FCP
= 0,
156 DIAG308_IPL_TYPE_CCW
= 2,
160 DIAG308_IPL_OPT_IPL
= 0x10,
161 DIAG308_IPL_OPT_DUMP
= 0x20,
165 DIAG308_FLAGS_LP_VALID
= 0x80,
168 enum diag308_vm_flags
{
169 DIAG308_VM_FLAGS_NSS_VALID
= 0x80,
170 DIAG308_VM_FLAGS_VP_VALID
= 0x40,
174 DIAG308_RC_OK
= 0x0001,
175 DIAG308_RC_NOCONFIG
= 0x0102,
178 extern int diag308(unsigned long subcode
, void *addr
);
179 extern void diag308_reset(void);
180 extern void store_status(void);
181 extern void lgr_info_log(void);
183 #endif /* _ASM_S390_IPL_H */