This source file includes following definitions.
- vmcp_cma_reserve
- kaslr_offset
- gen_lpswe
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6 #ifndef _ASM_S390_SETUP_H
7 #define _ASM_S390_SETUP_H
8
9 #include <linux/bits.h>
10 #include <uapi/asm/setup.h>
11 #include <linux/build_bug.h>
12
13 #define EP_OFFSET 0x10008
14 #define EP_STRING "S390EP"
15 #define PARMAREA 0x10400
16 #define EARLY_SCCB_OFFSET 0x11000
17 #define HEAD_END 0x12000
18
19 #define EARLY_SCCB_SIZE PAGE_SIZE
20
21
22
23
24
25 #define MACHINE_FLAG_VM BIT(0)
26 #define MACHINE_FLAG_KVM BIT(1)
27 #define MACHINE_FLAG_LPAR BIT(2)
28 #define MACHINE_FLAG_DIAG9C BIT(3)
29 #define MACHINE_FLAG_ESOP BIT(4)
30 #define MACHINE_FLAG_IDTE BIT(5)
31 #define MACHINE_FLAG_DIAG44 BIT(6)
32 #define MACHINE_FLAG_EDAT1 BIT(7)
33 #define MACHINE_FLAG_EDAT2 BIT(8)
34 #define MACHINE_FLAG_TOPOLOGY BIT(10)
35 #define MACHINE_FLAG_TE BIT(11)
36 #define MACHINE_FLAG_TLB_LC BIT(12)
37 #define MACHINE_FLAG_VX BIT(13)
38 #define MACHINE_FLAG_TLB_GUEST BIT(14)
39 #define MACHINE_FLAG_NX BIT(15)
40 #define MACHINE_FLAG_GS BIT(16)
41 #define MACHINE_FLAG_SCC BIT(17)
42
43 #define LPP_MAGIC BIT(31)
44 #define LPP_PID_MASK _AC(0xffffffff, UL)
45
46
47
48 #define STARTUP_NORMAL_OFFSET 0x10000
49 #define STARTUP_KDUMP_OFFSET 0x10010
50
51
52
53 #define IPL_DEVICE_OFFSET 0x10400
54 #define INITRD_START_OFFSET 0x10408
55 #define INITRD_SIZE_OFFSET 0x10410
56 #define OLDMEM_BASE_OFFSET 0x10418
57 #define OLDMEM_SIZE_OFFSET 0x10420
58 #define KERNEL_VERSION_OFFSET 0x10428
59 #define COMMAND_LINE_OFFSET 0x10480
60
61 #ifndef __ASSEMBLY__
62
63 #include <asm/lowcore.h>
64 #include <asm/types.h>
65
66 #define IPL_DEVICE (*(unsigned long *) (IPL_DEVICE_OFFSET))
67 #define INITRD_START (*(unsigned long *) (INITRD_START_OFFSET))
68 #define INITRD_SIZE (*(unsigned long *) (INITRD_SIZE_OFFSET))
69 #define OLDMEM_BASE (*(unsigned long *) (OLDMEM_BASE_OFFSET))
70 #define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET))
71 #define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET))
72
73 struct parmarea {
74 unsigned long ipl_device;
75 unsigned long initrd_start;
76 unsigned long initrd_size;
77 unsigned long oldmem_base;
78 unsigned long oldmem_size;
79 unsigned long kernel_version;
80 char pad1[0x10480 - 0x10430];
81 char command_line[ARCH_COMMAND_LINE_SIZE];
82 };
83
84 extern int noexec_disabled;
85 extern int memory_end_set;
86 extern unsigned long memory_end;
87 extern unsigned long vmalloc_size;
88 extern unsigned long max_physmem_end;
89 extern unsigned long __swsusp_reset_dma;
90
91 #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
92 #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
93 #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
94
95 #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
96 #define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
97 #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
98 #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
99 #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
100 #define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
101 #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
102 #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
103 #define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
104 #define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
105 #define MACHINE_HAS_TLB_GUEST (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_GUEST)
106 #define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX)
107 #define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS)
108 #define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC)
109
110
111
112
113 extern unsigned int console_mode;
114 extern unsigned int console_devno;
115 extern unsigned int console_irq;
116
117 extern char vmhalt_cmd[];
118 extern char vmpoff_cmd[];
119
120 #define CONSOLE_IS_UNDEFINED (console_mode == 0)
121 #define CONSOLE_IS_SCLP (console_mode == 1)
122 #define CONSOLE_IS_3215 (console_mode == 2)
123 #define CONSOLE_IS_3270 (console_mode == 3)
124 #define CONSOLE_IS_VT220 (console_mode == 4)
125 #define CONSOLE_IS_HVC (console_mode == 5)
126 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
127 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
128 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
129 #define SET_CONSOLE_VT220 do { console_mode = 4; } while (0)
130 #define SET_CONSOLE_HVC do { console_mode = 5; } while (0)
131
132 #ifdef CONFIG_PFAULT
133 extern int pfault_init(void);
134 extern void pfault_fini(void);
135 #else
136 #define pfault_init() ({-1;})
137 #define pfault_fini() do { } while (0)
138 #endif
139
140 #ifdef CONFIG_VMCP
141 void vmcp_cma_reserve(void);
142 #else
143 static inline void vmcp_cma_reserve(void) { }
144 #endif
145
146 void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault);
147
148 void cmma_init(void);
149 void cmma_init_nodat(void);
150
151 extern void (*_machine_restart)(char *command);
152 extern void (*_machine_halt)(void);
153 extern void (*_machine_power_off)(void);
154
155 extern unsigned long __kaslr_offset;
156 static inline unsigned long kaslr_offset(void)
157 {
158 return __kaslr_offset;
159 }
160
161 static inline u32 gen_lpswe(unsigned long addr)
162 {
163 BUILD_BUG_ON(addr > 0xfff);
164 return 0xb2b20000 | addr;
165 }
166
167 #else
168
169 #define IPL_DEVICE (IPL_DEVICE_OFFSET)
170 #define INITRD_START (INITRD_START_OFFSET)
171 #define INITRD_SIZE (INITRD_SIZE_OFFSET)
172 #define OLDMEM_BASE (OLDMEM_BASE_OFFSET)
173 #define OLDMEM_SIZE (OLDMEM_SIZE_OFFSET)
174 #define COMMAND_LINE (COMMAND_LINE_OFFSET)
175
176 #endif
177 #endif