diff options
author | Michael Holzheu <holzheu@de.ibm.com> | 2007-02-21 04:55:21 -0500 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-21 04:55:21 -0500 |
commit | 46b05d2617c8efd8ec6b19acd2c95541a0118c13 (patch) | |
tree | 518998d59432b6387de28021780a84c42f1c116b /include/asm-s390/ipl.h | |
parent | 72960a02c270950253126ee8b339afd400f55273 (diff) |
[S390] New header file ipl.h
Setup.h has been misused for ipl related stuff in the past. We now move
everything, which has to do with ipl and reipl to a new header file named
"ipl.h".
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/ipl.h')
-rw-r--r-- | include/asm-s390/ipl.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h new file mode 100644 index 000000000000..5650d3d4ae46 --- /dev/null +++ b/include/asm-s390/ipl.h | |||
@@ -0,0 +1,113 @@ | |||
1 | /* | ||
2 | * s390 (re)ipl support | ||
3 | * | ||
4 | * Copyright IBM Corp. 2007 | ||
5 | */ | ||
6 | |||
7 | #ifndef _ASM_S390_IPL_H | ||
8 | #define _ASM_S390_IPL_H | ||
9 | |||
10 | #include <asm/types.h> | ||
11 | |||
12 | #define IPL_PARMBLOCK_ORIGIN 0x2000 | ||
13 | |||
14 | #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ | ||
15 | sizeof(struct ipl_block_fcp)) | ||
16 | |||
17 | #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ | ||
18 | sizeof(struct ipl_block_ccw)) | ||
19 | |||
20 | #define IPL_MAX_SUPPORTED_VERSION (0) | ||
21 | |||
22 | #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ | ||
23 | IPL_PARMBLOCK_ORIGIN) | ||
24 | #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len) | ||
25 | |||
26 | struct ipl_list_hdr { | ||
27 | u32 len; | ||
28 | u8 reserved1[3]; | ||
29 | u8 version; | ||
30 | u32 blk0_len; | ||
31 | u8 pbt; | ||
32 | u8 flags; | ||
33 | u16 reserved2; | ||
34 | } __attribute__((packed)); | ||
35 | |||
36 | struct ipl_block_fcp { | ||
37 | u8 reserved1[313-1]; | ||
38 | u8 opt; | ||
39 | u8 reserved2[3]; | ||
40 | u16 reserved3; | ||
41 | u16 devno; | ||
42 | u8 reserved4[4]; | ||
43 | u64 wwpn; | ||
44 | u64 lun; | ||
45 | u32 bootprog; | ||
46 | u8 reserved5[12]; | ||
47 | u64 br_lba; | ||
48 | u32 scp_data_len; | ||
49 | u8 reserved6[260]; | ||
50 | u8 scp_data[]; | ||
51 | } __attribute__((packed)); | ||
52 | |||
53 | struct ipl_block_ccw { | ||
54 | u8 load_param[8]; | ||
55 | u8 reserved1[84]; | ||
56 | u8 reserved2[2]; | ||
57 | u16 devno; | ||
58 | u8 vm_flags; | ||
59 | u8 reserved3[3]; | ||
60 | u32 vm_parm_len; | ||
61 | } __attribute__((packed)); | ||
62 | |||
63 | struct ipl_parameter_block { | ||
64 | struct ipl_list_hdr hdr; | ||
65 | union { | ||
66 | struct ipl_block_fcp fcp; | ||
67 | struct ipl_block_ccw ccw; | ||
68 | } ipl_info; | ||
69 | } __attribute__((packed)); | ||
70 | |||
71 | /* | ||
72 | * IPL validity flags and parameters as detected in head.S | ||
73 | */ | ||
74 | extern u32 ipl_flags; | ||
75 | extern u16 ipl_devno; | ||
76 | |||
77 | extern void do_reipl(void); | ||
78 | extern void ipl_save_parameters(void); | ||
79 | |||
80 | enum { | ||
81 | IPL_DEVNO_VALID = 1, | ||
82 | IPL_PARMBLOCK_VALID = 2, | ||
83 | IPL_NSS_VALID = 4, | ||
84 | }; | ||
85 | |||
86 | /* | ||
87 | * DIAG 308 support | ||
88 | */ | ||
89 | enum diag308_subcode { | ||
90 | DIAG308_REL_HSA = 2, | ||
91 | DIAG308_IPL = 3, | ||
92 | DIAG308_DUMP = 4, | ||
93 | DIAG308_SET = 5, | ||
94 | DIAG308_STORE = 6, | ||
95 | }; | ||
96 | |||
97 | enum diag308_ipl_type { | ||
98 | DIAG308_IPL_TYPE_FCP = 0, | ||
99 | DIAG308_IPL_TYPE_CCW = 2, | ||
100 | }; | ||
101 | |||
102 | enum diag308_opt { | ||
103 | DIAG308_IPL_OPT_IPL = 0x10, | ||
104 | DIAG308_IPL_OPT_DUMP = 0x20, | ||
105 | }; | ||
106 | |||
107 | enum diag308_rc { | ||
108 | DIAG308_RC_OK = 1, | ||
109 | }; | ||
110 | |||
111 | extern int diag308(unsigned long subcode, void *addr); | ||
112 | |||
113 | #endif /* _ASM_S390_IPL_H */ | ||