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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 | 2 | /* |
1da177e4 | 3 | * S390 version |
a53c8fab | 4 | * Copyright IBM Corp. 1999, 2010 |
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) | |
28 | #define MACHINE_FLAG_LPP _BITUL(9) | |
29 | #define MACHINE_FLAG_TOPOLOGY _BITUL(10) | |
30 | #define MACHINE_FLAG_TE _BITUL(11) | |
31 | #define MACHINE_FLAG_TLB_LC _BITUL(12) | |
32 | #define MACHINE_FLAG_VX _BITUL(13) | |
118bd31b MS |
33 | #define MACHINE_FLAG_TLB_GUEST _BITUL(14) |
34 | #define MACHINE_FLAG_NX _BITUL(15) | |
35 | #define MACHINE_FLAG_GS _BITUL(16) | |
6e2ef5e4 | 36 | #define MACHINE_FLAG_SCC _BITUL(17) |
83abeffb | 37 | |
e22cf8ca CB |
38 | #define LPP_MAGIC _BITUL(31) |
39 | #define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL) | |
40 | ||
1da177e4 LT |
41 | #ifndef __ASSEMBLY__ |
42 | ||
cbb870c8 HC |
43 | #include <asm/lowcore.h> |
44 | #include <asm/types.h> | |
45 | ||
1da177e4 LT |
46 | #define IPL_DEVICE (*(unsigned long *) (0x10400)) |
47 | #define INITRD_START (*(unsigned long *) (0x10408)) | |
48 | #define INITRD_SIZE (*(unsigned long *) (0x10410)) | |
60a0c68d MH |
49 | #define OLDMEM_BASE (*(unsigned long *) (0x10418)) |
50 | #define OLDMEM_SIZE (*(unsigned long *) (0x10420)) | |
1da177e4 LT |
51 | #define COMMAND_LINE ((char *) (0x10480)) |
52 | ||
23d75d9c HC |
53 | extern int memory_end_set; |
54 | extern unsigned long memory_end; | |
50be6345 | 55 | extern unsigned long max_physmem_end; |
36a2bd42 | 56 | |
50be6345 | 57 | extern void detect_memory_memblock(void); |
23d17421 | 58 | |
25097bf1 CE |
59 | #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) |
60 | #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) | |
27d71602 MS |
61 | #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) |
62 | ||
25097bf1 | 63 | #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) |
abf09bed | 64 | #define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP) |
25097bf1 CE |
65 | #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) |
66 | #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) | |
3c7ef08b | 67 | #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) |
85e9d0e5 | 68 | #define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) |
23d18e8d | 69 | #define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP) |
9186d7a9 | 70 | #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) |
d35339a4 | 71 | #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) |
1b948d6c | 72 | #define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC) |
80703617 | 73 | #define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX) |
118bd31b | 74 | #define MACHINE_HAS_TLB_GUEST (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_GUEST) |
57d7f939 | 75 | #define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX) |
916cda1a | 76 | #define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS) |
6e2ef5e4 | 77 | #define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC) |
1da177e4 | 78 | |
1da177e4 LT |
79 | /* |
80 | * Console mode. Override with conmode= | |
81 | */ | |
82 | extern unsigned int console_mode; | |
83 | extern unsigned int console_devno; | |
84 | extern unsigned int console_irq; | |
85 | ||
2b67fc46 HC |
86 | extern char vmhalt_cmd[]; |
87 | extern char vmpoff_cmd[]; | |
88 | ||
1da177e4 LT |
89 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) |
90 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
91 | #define CONSOLE_IS_3215 (console_mode == 2) | |
92 | #define CONSOLE_IS_3270 (console_mode == 3) | |
8f50af49 PO |
93 | #define CONSOLE_IS_VT220 (console_mode == 4) |
94 | #define CONSOLE_IS_HVC (console_mode == 5) | |
1da177e4 LT |
95 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) |
96 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
97 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
8f50af49 PO |
98 | #define SET_CONSOLE_VT220 do { console_mode = 4; } while (0) |
99 | #define SET_CONSOLE_HVC do { console_mode = 5; } while (0) | |
1da177e4 | 100 | |
fe355b7f | 101 | #define NSS_NAME_SIZE 8 |
fe355b7f HY |
102 | extern char kernel_nss_name[]; |
103 | ||
a0616cde DH |
104 | #ifdef CONFIG_PFAULT |
105 | extern int pfault_init(void); | |
106 | extern void pfault_fini(void); | |
107 | #else /* CONFIG_PFAULT */ | |
108 | #define pfault_init() ({-1;}) | |
109 | #define pfault_fini() do { } while (0) | |
110 | #endif /* CONFIG_PFAULT */ | |
111 | ||
3f429842 HC |
112 | #ifdef CONFIG_VMCP |
113 | void vmcp_cma_reserve(void); | |
114 | #else | |
115 | static inline void vmcp_cma_reserve(void) { } | |
116 | #endif | |
117 | ||
5d7eccec HC |
118 | void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault); |
119 | ||
c9b5ad54 MS |
120 | void cmma_init(void); |
121 | void cmma_init_nodat(void); | |
a0616cde DH |
122 | |
123 | extern void (*_machine_restart)(char *command); | |
124 | extern void (*_machine_halt)(void); | |
125 | extern void (*_machine_power_off)(void); | |
126 | ||
0defa3c1 | 127 | #else /* __ASSEMBLY__ */ |
1da177e4 | 128 | |
1da177e4 LT |
129 | #define IPL_DEVICE 0x10400 |
130 | #define INITRD_START 0x10408 | |
131 | #define INITRD_SIZE 0x10410 | |
60a0c68d MH |
132 | #define OLDMEM_BASE 0x10418 |
133 | #define OLDMEM_SIZE 0x10420 | |
1da177e4 LT |
134 | #define COMMAND_LINE 0x10480 |
135 | ||
0defa3c1 | 136 | #endif /* __ASSEMBLY__ */ |
0defa3c1 | 137 | #endif /* _ASM_S390_SETUP_H */ |