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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /* * include/asm-s390/setup.h * * S390 version * Copyright IBM Corp. 1999,2006 */ #ifndef _ASM_S390_SETUP_H #define _ASM_S390_SETUP_H #define COMMAND_LINE_SIZE 896 #ifdef __KERNEL__ #include <asm/types.h> #define PARMAREA 0x10400 #define MEMORY_CHUNKS 16 /* max 0x7fff */ #define IPL_PARMBLOCK_ORIGIN 0x2000 #ifndef __ASSEMBLY__ #ifndef __s390x__ #define IPL_DEVICE (*(unsigned long *) (0x10404)) #define INITRD_START (*(unsigned long *) (0x1040C)) #define INITRD_SIZE (*(unsigned long *) (0x10414)) #else /* __s390x__ */ #define IPL_DEVICE (*(unsigned long *) (0x10400)) #define INITRD_START (*(unsigned long *) (0x10408)) #define INITRD_SIZE (*(unsigned long *) (0x10410)) #endif /* __s390x__ */ #define COMMAND_LINE ((char *) (0x10480)) #define CHUNK_READ_WRITE 0 #define CHUNK_READ_ONLY 1 struct mem_chunk { unsigned long addr; unsigned long size; unsigned long type; }; extern struct mem_chunk memory_chunk[]; /* * Machine features detected in head.S */ extern unsigned long machine_flags; #define MACHINE_IS_VM (machine_flags & 1) #define MACHINE_IS_P390 (machine_flags & 4) #define MACHINE_HAS_MVPG (machine_flags & 16) #define MACHINE_HAS_IDTE (machine_flags & 128) #define MACHINE_HAS_DIAG9C (machine_flags & 256) #ifndef __s390x__ #define MACHINE_HAS_IEEE (machine_flags & 2) #define MACHINE_HAS_CSP (machine_flags & 8) #define MACHINE_HAS_DIAG44 (1) #define MACHINE_HAS_MVCOS (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) #define MACHINE_HAS_DIAG44 (machine_flags & 32) #define MACHINE_HAS_MVCOS (machine_flags & 512) #endif /* __s390x__ */ #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) /* * Console mode. Override with conmode= */ extern unsigned int console_mode; extern unsigned int console_devno; extern unsigned int console_irq; #define CONSOLE_IS_UNDEFINED (console_mode == 0) #define CONSOLE_IS_SCLP (console_mode == 1) #define CONSOLE_IS_3215 (console_mode == 2) #define CONSOLE_IS_3270 (console_mode == 3) #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 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; } __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)); #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_fcp)) #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_ccw)) #define IPL_MAX_SUPPORTED_VERSION (0) /* * IPL validity flags and parameters as detected in head.S */ extern u32 ipl_flags; extern u16 ipl_devno; void do_reipl(void); enum { IPL_DEVNO_VALID = 1, IPL_PARMBLOCK_VALID = 2, }; #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ IPL_PARMBLOCK_ORIGIN) #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len) #else /* __ASSEMBLY__ */ #ifndef __s390x__ #define IPL_DEVICE 0x10404 #define INITRD_START 0x1040C #define INITRD_SIZE 0x10414 #else /* __s390x__ */ #define IPL_DEVICE 0x10400 #define INITRD_START 0x10408 #define INITRD_SIZE 0x10410 #endif /* __s390x__ */ #define COMMAND_LINE 0x10480 #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_S390_SETUP_H */ |