Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 | 2 | /* |
1da177e4 | 3 | * S390 version |
15ceb8c9 | 4 | * Copyright IBM Corp. 1999, 2017 |
1da177e4 | 5 | */ |
1da177e4 LT |
6 | #ifndef _ASM_S390_SETUP_H |
7 | #define _ASM_S390_SETUP_H | |
8 | ||
83abeffb | 9 | #include <linux/const.h> |
9807f759 | 10 | #include <uapi/asm/setup.h> |
7d1362c0 | 11 | |
0defa3c1 | 12 | |
1da177e4 | 13 | #define PARMAREA 0x10400 |
1da177e4 | 14 | |
83abeffb | 15 | /* |
d7ae65ae | 16 | * Machine features detected in early.c |
83abeffb HB |
17 | */ |
18 | ||
19 | #define MACHINE_FLAG_VM _BITUL(0) | |
d7ae65ae CB |
20 | #define MACHINE_FLAG_KVM _BITUL(1) |
21 | #define MACHINE_FLAG_LPAR _BITUL(2) | |
22 | #define MACHINE_FLAG_DIAG9C _BITUL(3) | |
23 | #define MACHINE_FLAG_ESOP _BITUL(4) | |
83abeffb | 24 | #define MACHINE_FLAG_IDTE _BITUL(5) |
d7ae65ae CB |
25 | #define MACHINE_FLAG_DIAG44 _BITUL(6) |
26 | #define MACHINE_FLAG_EDAT1 _BITUL(7) | |
27 | #define MACHINE_FLAG_EDAT2 _BITUL(8) | |
d7ae65ae CB |
28 | #define MACHINE_FLAG_TOPOLOGY _BITUL(10) |
29 | #define MACHINE_FLAG_TE _BITUL(11) | |
30 | #define MACHINE_FLAG_TLB_LC _BITUL(12) | |
31 | #define MACHINE_FLAG_VX _BITUL(13) | |
118bd31b MS |
32 | #define MACHINE_FLAG_TLB_GUEST _BITUL(14) |
33 | #define MACHINE_FLAG_NX _BITUL(15) | |
34 | #define MACHINE_FLAG_GS _BITUL(16) | |
6e2ef5e4 | 35 | #define MACHINE_FLAG_SCC _BITUL(17) |
83abeffb | 36 | |
e22cf8ca | 37 | #define LPP_MAGIC _BITUL(31) |
544e8dd7 | 38 | #define LPP_PID_MASK _AC(0xffffffff, UL) |
e22cf8ca | 39 | |
15ceb8c9 PR |
40 | /* Offsets to entry points in kernel/head.S */ |
41 | ||
42 | #define STARTUP_NORMAL_OFFSET 0x10000 | |
43 | #define STARTUP_KDUMP_OFFSET 0x10010 | |
44 | ||
45 | /* Offsets to parameters in kernel/head.S */ | |
46 | ||
47 | #define IPL_DEVICE_OFFSET 0x10400 | |
48 | #define INITRD_START_OFFSET 0x10408 | |
49 | #define INITRD_SIZE_OFFSET 0x10410 | |
50 | #define OLDMEM_BASE_OFFSET 0x10418 | |
51 | #define OLDMEM_SIZE_OFFSET 0x10420 | |
52 | #define COMMAND_LINE_OFFSET 0x10480 | |
53 | ||
1da177e4 LT |
54 | #ifndef __ASSEMBLY__ |
55 | ||
cbb870c8 HC |
56 | #include <asm/lowcore.h> |
57 | #include <asm/types.h> | |
58 | ||
15ceb8c9 PR |
59 | #define IPL_DEVICE (*(unsigned long *) (IPL_DEVICE_OFFSET)) |
60 | #define INITRD_START (*(unsigned long *) (INITRD_START_OFFSET)) | |
61 | #define INITRD_SIZE (*(unsigned long *) (INITRD_SIZE_OFFSET)) | |
62 | #define OLDMEM_BASE (*(unsigned long *) (OLDMEM_BASE_OFFSET)) | |
63 | #define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET)) | |
64 | #define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET)) | |
1da177e4 | 65 | |
23d75d9c HC |
66 | extern int memory_end_set; |
67 | extern unsigned long memory_end; | |
50be6345 | 68 | extern unsigned long max_physmem_end; |
36a2bd42 | 69 | |
50be6345 | 70 | extern void detect_memory_memblock(void); |
23d17421 | 71 | |
25097bf1 CE |
72 | #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) |
73 | #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) | |
27d71602 MS |
74 | #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) |
75 | ||
25097bf1 | 76 | #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) |
abf09bed | 77 | #define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP) |
25097bf1 CE |
78 | #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) |
79 | #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) | |
3c7ef08b | 80 | #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) |
85e9d0e5 | 81 | #define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) |
9186d7a9 | 82 | #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) |
d35339a4 | 83 | #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) |
1b948d6c | 84 | #define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC) |
80703617 | 85 | #define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX) |
118bd31b | 86 | #define MACHINE_HAS_TLB_GUEST (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_GUEST) |
57d7f939 | 87 | #define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX) |
916cda1a | 88 | #define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS) |
6e2ef5e4 | 89 | #define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC) |
1da177e4 | 90 | |
1da177e4 LT |
91 | /* |
92 | * Console mode. Override with conmode= | |
93 | */ | |
94 | extern unsigned int console_mode; | |
95 | extern unsigned int console_devno; | |
96 | extern unsigned int console_irq; | |
97 | ||
2b67fc46 HC |
98 | extern char vmhalt_cmd[]; |
99 | extern char vmpoff_cmd[]; | |
100 | ||
1da177e4 LT |
101 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) |
102 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
103 | #define CONSOLE_IS_3215 (console_mode == 2) | |
104 | #define CONSOLE_IS_3270 (console_mode == 3) | |
8f50af49 PO |
105 | #define CONSOLE_IS_VT220 (console_mode == 4) |
106 | #define CONSOLE_IS_HVC (console_mode == 5) | |
1da177e4 LT |
107 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) |
108 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
109 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
8f50af49 PO |
110 | #define SET_CONSOLE_VT220 do { console_mode = 4; } while (0) |
111 | #define SET_CONSOLE_HVC do { console_mode = 5; } while (0) | |
1da177e4 | 112 | |
a0616cde DH |
113 | #ifdef CONFIG_PFAULT |
114 | extern int pfault_init(void); | |
115 | extern void pfault_fini(void); | |
116 | #else /* CONFIG_PFAULT */ | |
117 | #define pfault_init() ({-1;}) | |
118 | #define pfault_fini() do { } while (0) | |
119 | #endif /* CONFIG_PFAULT */ | |
120 | ||
3f429842 HC |
121 | #ifdef CONFIG_VMCP |
122 | void vmcp_cma_reserve(void); | |
123 | #else | |
124 | static inline void vmcp_cma_reserve(void) { } | |
125 | #endif | |
126 | ||
5d7eccec HC |
127 | void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault); |
128 | ||
c9b5ad54 MS |
129 | void cmma_init(void); |
130 | void cmma_init_nodat(void); | |
a0616cde DH |
131 | |
132 | extern void (*_machine_restart)(char *command); | |
133 | extern void (*_machine_halt)(void); | |
134 | extern void (*_machine_power_off)(void); | |
135 | ||
0defa3c1 | 136 | #else /* __ASSEMBLY__ */ |
1da177e4 | 137 | |
15ceb8c9 PR |
138 | #define IPL_DEVICE (IPL_DEVICE_OFFSET) |
139 | #define INITRD_START (INITRD_START_OFFSET) | |
140 | #define INITRD_SIZE (INITRD_SIZE_OFFSET) | |
141 | #define OLDMEM_BASE (OLDMEM_BASE_OFFSET) | |
142 | #define OLDMEM_SIZE (OLDMEM_SIZE_OFFSET) | |
143 | #define COMMAND_LINE (COMMAND_LINE_OFFSET) | |
1da177e4 | 144 | |
0defa3c1 | 145 | #endif /* __ASSEMBLY__ */ |
0defa3c1 | 146 | #endif /* _ASM_S390_SETUP_H */ |