projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * include/asm-s390/setup.h | |
| 3 | * | |
| 4 | * S390 version | |
| 36a2bd42 | 5 | * Copyright IBM Corp. 1999,2006 |
| 1da177e4 LT |
6 | */ |
| 7 | ||
| 8 | #ifndef _ASM_S390_SETUP_H | |
| 9 | #define _ASM_S390_SETUP_H | |
| 10 | ||
| 7d1362c0 AB |
11 | #define COMMAND_LINE_SIZE 896 |
| 12 | ||
| 0defa3c1 HC |
13 | #ifdef __KERNEL__ |
| 14 | ||
| 1e8e3383 HC |
15 | #include <asm/types.h> |
| 16 | ||
| 1da177e4 | 17 | #define PARMAREA 0x10400 |
| 1da177e4 LT |
18 | #define MEMORY_CHUNKS 16 /* max 0x7fff */ |
| 19 | ||
| 20 | #ifndef __ASSEMBLY__ | |
| 21 | ||
| 22 | #ifndef __s390x__ | |
| 23 | #define IPL_DEVICE (*(unsigned long *) (0x10404)) | |
| 24 | #define INITRD_START (*(unsigned long *) (0x1040C)) | |
| 25 | #define INITRD_SIZE (*(unsigned long *) (0x10414)) | |
| 26 | #else /* __s390x__ */ | |
| 27 | #define IPL_DEVICE (*(unsigned long *) (0x10400)) | |
| 28 | #define INITRD_START (*(unsigned long *) (0x10408)) | |
| 29 | #define INITRD_SIZE (*(unsigned long *) (0x10410)) | |
| 30 | #endif /* __s390x__ */ | |
| 31 | #define COMMAND_LINE ((char *) (0x10480)) | |
| 32 | ||
| 36a2bd42 HC |
33 | #define CHUNK_READ_WRITE 0 |
| 34 | #define CHUNK_READ_ONLY 1 | |
| 35 | ||
| 36 | struct mem_chunk { | |
| 37 | unsigned long addr; | |
| 38 | unsigned long size; | |
| 39 | unsigned long type; | |
| 40 | }; | |
| 41 | ||
| 42 | extern struct mem_chunk memory_chunk[]; | |
| 411ed322 | 43 | extern unsigned long real_memory_size; |
| 36a2bd42 | 44 | |
| c1821c2e GS |
45 | #ifdef CONFIG_S390_SWITCH_AMODE |
| 46 | extern unsigned int switch_amode; | |
| 47 | #else | |
| 48 | #define switch_amode (0) | |
| 49 | #endif | |
| 50 | ||
| 51 | #ifdef CONFIG_S390_EXEC_PROTECT | |
| 52 | extern unsigned int s390_noexec; | |
| 53 | #else | |
| 54 | #define s390_noexec (0) | |
| 55 | #endif | |
| 56 | ||
| 1da177e4 LT |
57 | /* |
| 58 | * Machine features detected in head.S | |
| 59 | */ | |
| 60 | extern unsigned long machine_flags; | |
| 61 | ||
| 2e5061e4 HC |
62 | #define MACHINE_FLAG_VM (1UL << 0) |
| 63 | #define MACHINE_FLAG_IEEE (1UL << 1) | |
| 64 | #define MACHINE_FLAG_P390 (1UL << 2) | |
| 65 | #define MACHINE_FLAG_CSP (1UL << 3) | |
| 66 | #define MACHINE_FLAG_MVPG (1UL << 4) | |
| 67 | #define MACHINE_FLAG_DIAG44 (1UL << 5) | |
| 68 | #define MACHINE_FLAG_IDTE (1UL << 6) | |
| 69 | #define MACHINE_FLAG_DIAG9C (1UL << 7) | |
| 70 | #define MACHINE_FLAG_MVCOS (1UL << 8) | |
| 71 | #define MACHINE_FLAG_KVM (1UL << 9) | |
| 53492b1d GS |
72 | #define MACHINE_FLAG_HPAGE (1UL << 10) |
| 73 | #define MACHINE_FLAG_PFMF (1UL << 11) | |
| 2e5061e4 HC |
74 | |
| 75 | #define MACHINE_IS_VM (machine_flags & MACHINE_FLAG_VM) | |
| 76 | #define MACHINE_IS_KVM (machine_flags & MACHINE_FLAG_KVM) | |
| 77 | #define MACHINE_IS_P390 (machine_flags & MACHINE_FLAG_P390) | |
| 78 | #define MACHINE_HAS_DIAG9C (machine_flags & MACHINE_FLAG_DIAG9C) | |
| 1da177e4 LT |
79 | |
| 80 | #ifndef __s390x__ | |
| 2e5061e4 HC |
81 | #define MACHINE_HAS_IEEE (machine_flags & MACHINE_FLAG_IEEE) |
| 82 | #define MACHINE_HAS_CSP (machine_flags & MACHINE_FLAG_CSP) | |
| 83 | #define MACHINE_HAS_IDTE (0) | |
| abdba61a | 84 | #define MACHINE_HAS_DIAG44 (1) |
| 2e5061e4 | 85 | #define MACHINE_HAS_MVPG (machine_flags & MACHINE_FLAG_MVPG) |
| 6c2a9e6d | 86 | #define MACHINE_HAS_MVCOS (0) |
| 53492b1d GS |
87 | #define MACHINE_HAS_HPAGE (0) |
| 88 | #define MACHINE_HAS_PFMF (0) | |
| 1da177e4 LT |
89 | #else /* __s390x__ */ |
| 90 | #define MACHINE_HAS_IEEE (1) | |
| 91 | #define MACHINE_HAS_CSP (1) | |
| 2e5061e4 HC |
92 | #define MACHINE_HAS_IDTE (machine_flags & MACHINE_FLAG_IDTE) |
| 93 | #define MACHINE_HAS_DIAG44 (machine_flags & MACHINE_FLAG_DIAG44) | |
| 94 | #define MACHINE_HAS_MVPG (1) | |
| 95 | #define MACHINE_HAS_MVCOS (machine_flags & MACHINE_FLAG_MVCOS) | |
| 53492b1d GS |
96 | #define MACHINE_HAS_HPAGE (machine_flags & MACHINE_FLAG_HPAGE) |
| 97 | #define MACHINE_HAS_PFMF (machine_flags & MACHINE_FLAG_PFMF) | |
| 1da177e4 LT |
98 | #endif /* __s390x__ */ |
| 99 | ||
| 1da177e4 | 100 | #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) |
| 411ed322 | 101 | #define ZFCPDUMP_HSA_SIZE (32UL<<20) |
| 1da177e4 LT |
102 | |
| 103 | /* | |
| 104 | * Console mode. Override with conmode= | |
| 105 | */ | |
| 106 | extern unsigned int console_mode; | |
| 107 | extern unsigned int console_devno; | |
| 108 | extern unsigned int console_irq; | |
| 109 | ||
| 2b67fc46 HC |
110 | extern char vmhalt_cmd[]; |
| 111 | extern char vmpoff_cmd[]; | |
| 112 | ||
| 1da177e4 LT |
113 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) |
| 114 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
| 115 | #define CONSOLE_IS_3215 (console_mode == 2) | |
| 116 | #define CONSOLE_IS_3270 (console_mode == 3) | |
| 117 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) | |
| 118 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
| 119 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
| 120 | ||
| fe355b7f | 121 | #define NSS_NAME_SIZE 8 |
| fe355b7f HY |
122 | extern char kernel_nss_name[]; |
| 123 | ||
| 0defa3c1 | 124 | #else /* __ASSEMBLY__ */ |
| 1da177e4 LT |
125 | |
| 126 | #ifndef __s390x__ | |
| 127 | #define IPL_DEVICE 0x10404 | |
| 128 | #define INITRD_START 0x1040C | |
| 129 | #define INITRD_SIZE 0x10414 | |
| 130 | #else /* __s390x__ */ | |
| 131 | #define IPL_DEVICE 0x10400 | |
| 132 | #define INITRD_START 0x10408 | |
| 133 | #define INITRD_SIZE 0x10410 | |
| 134 | #endif /* __s390x__ */ | |
| 135 | #define COMMAND_LINE 0x10480 | |
| 136 | ||
| 0defa3c1 HC |
137 | #endif /* __ASSEMBLY__ */ |
| 138 | #endif /* __KERNEL__ */ | |
| 139 | #endif /* _ASM_S390_SETUP_H */ |