4 * Copyright IBM Corp. 2007
7 #ifndef _ASM_S390_IPL_H
8 #define _ASM_S390_IPL_H
10 #include <asm/types.h>
12 #define IPL_PARMBLOCK_ORIGIN 0x2000
14 #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
15 sizeof(struct ipl_block_fcp))
17 #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
18 sizeof(struct ipl_block_ccw))
20 #define IPL_MAX_SUPPORTED_VERSION (0)
22 #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
24 #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
34 } __attribute__((packed));
36 struct ipl_block_fcp {
51 } __attribute__((packed));
53 struct ipl_block_ccw {
61 } __attribute__((packed));
63 struct ipl_parameter_block {
64 struct ipl_list_hdr hdr;
66 struct ipl_block_fcp fcp;
67 struct ipl_block_ccw ccw;
69 } __attribute__((packed));
72 * IPL validity flags and parameters as detected in head.S
77 extern u32 dump_prefix_page;
78 extern void do_reipl(void);
79 extern void ipl_save_parameters(void);
83 IPL_PARMBLOCK_VALID = 2,
90 enum diag308_subcode {
98 enum diag308_ipl_type {
99 DIAG308_IPL_TYPE_FCP = 0,
100 DIAG308_IPL_TYPE_CCW = 2,
104 DIAG308_IPL_OPT_IPL = 0x10,
105 DIAG308_IPL_OPT_DUMP = 0x20,
112 extern int diag308(unsigned long subcode, void *addr);
114 #endif /* _ASM_S390_IPL_H */