Linux kernel mirror (for testing)
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1/*
2 * S390 version
3 * Copyright IBM Corp. 1999, 2010
4 */
5#ifndef _ASM_S390_SETUP_H
6#define _ASM_S390_SETUP_H
7
8#include <uapi/asm/setup.h>
9
10
11#define PARMAREA 0x10400
12#define MEMORY_CHUNKS 256
13
14#ifndef __ASSEMBLY__
15
16#include <asm/lowcore.h>
17#include <asm/types.h>
18
19#ifndef CONFIG_64BIT
20#define IPL_DEVICE (*(unsigned long *) (0x10404))
21#define INITRD_START (*(unsigned long *) (0x1040C))
22#define INITRD_SIZE (*(unsigned long *) (0x10414))
23#define OLDMEM_BASE (*(unsigned long *) (0x1041C))
24#define OLDMEM_SIZE (*(unsigned long *) (0x10424))
25#else /* CONFIG_64BIT */
26#define IPL_DEVICE (*(unsigned long *) (0x10400))
27#define INITRD_START (*(unsigned long *) (0x10408))
28#define INITRD_SIZE (*(unsigned long *) (0x10410))
29#define OLDMEM_BASE (*(unsigned long *) (0x10418))
30#define OLDMEM_SIZE (*(unsigned long *) (0x10420))
31#endif /* CONFIG_64BIT */
32#define COMMAND_LINE ((char *) (0x10480))
33
34#define CHUNK_READ_WRITE 0
35#define CHUNK_READ_ONLY 1
36#define CHUNK_OLDMEM 4
37#define CHUNK_CRASHK 5
38
39struct mem_chunk {
40 unsigned long addr;
41 unsigned long size;
42 int type;
43};
44
45extern struct mem_chunk memory_chunk[];
46extern unsigned long real_memory_size;
47extern int memory_end_set;
48extern unsigned long memory_end;
49
50void detect_memory_layout(struct mem_chunk chunk[]);
51void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr,
52 unsigned long size, int type);
53
54#define PRIMARY_SPACE_MODE 0
55#define ACCESS_REGISTER_MODE 1
56#define SECONDARY_SPACE_MODE 2
57#define HOME_SPACE_MODE 3
58
59extern unsigned int s390_user_mode;
60
61/*
62 * Machine features detected in head.S
63 */
64
65#define MACHINE_FLAG_VM (1UL << 0)
66#define MACHINE_FLAG_IEEE (1UL << 1)
67#define MACHINE_FLAG_CSP (1UL << 2)
68#define MACHINE_FLAG_MVPG (1UL << 3)
69#define MACHINE_FLAG_DIAG44 (1UL << 4)
70#define MACHINE_FLAG_IDTE (1UL << 5)
71#define MACHINE_FLAG_DIAG9C (1UL << 6)
72#define MACHINE_FLAG_MVCOS (1UL << 7)
73#define MACHINE_FLAG_KVM (1UL << 8)
74#define MACHINE_FLAG_ESOP (1UL << 9)
75#define MACHINE_FLAG_EDAT1 (1UL << 10)
76#define MACHINE_FLAG_EDAT2 (1UL << 11)
77#define MACHINE_FLAG_LPAR (1UL << 12)
78#define MACHINE_FLAG_LPP (1UL << 13)
79#define MACHINE_FLAG_TOPOLOGY (1UL << 14)
80#define MACHINE_FLAG_TE (1UL << 15)
81#define MACHINE_FLAG_RRBM (1UL << 16)
82
83#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
84#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
85#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
86
87#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
88#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
89#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
90#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
91
92#ifndef CONFIG_64BIT
93#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
94#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
95#define MACHINE_HAS_IDTE (0)
96#define MACHINE_HAS_DIAG44 (1)
97#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
98#define MACHINE_HAS_MVCOS (0)
99#define MACHINE_HAS_EDAT1 (0)
100#define MACHINE_HAS_EDAT2 (0)
101#define MACHINE_HAS_LPP (0)
102#define MACHINE_HAS_TOPOLOGY (0)
103#define MACHINE_HAS_TE (0)
104#define MACHINE_HAS_RRBM (0)
105#else /* CONFIG_64BIT */
106#define MACHINE_HAS_IEEE (1)
107#define MACHINE_HAS_CSP (1)
108#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
109#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
110#define MACHINE_HAS_MVPG (1)
111#define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
112#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
113#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
114#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
115#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
116#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
117#define MACHINE_HAS_RRBM (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
118#endif /* CONFIG_64BIT */
119
120#define ZFCPDUMP_HSA_SIZE (32UL<<20)
121#define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20)
122
123/*
124 * Console mode. Override with conmode=
125 */
126extern unsigned int console_mode;
127extern unsigned int console_devno;
128extern unsigned int console_irq;
129
130extern char vmhalt_cmd[];
131extern char vmpoff_cmd[];
132
133#define CONSOLE_IS_UNDEFINED (console_mode == 0)
134#define CONSOLE_IS_SCLP (console_mode == 1)
135#define CONSOLE_IS_3215 (console_mode == 2)
136#define CONSOLE_IS_3270 (console_mode == 3)
137#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
138#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
139#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
140
141#define NSS_NAME_SIZE 8
142extern char kernel_nss_name[];
143
144#ifdef CONFIG_PFAULT
145extern int pfault_init(void);
146extern void pfault_fini(void);
147#else /* CONFIG_PFAULT */
148#define pfault_init() ({-1;})
149#define pfault_fini() do { } while (0)
150#endif /* CONFIG_PFAULT */
151
152extern void cmma_init(void);
153
154extern void (*_machine_restart)(char *command);
155extern void (*_machine_halt)(void);
156extern void (*_machine_power_off)(void);
157
158#else /* __ASSEMBLY__ */
159
160#ifndef CONFIG_64BIT
161#define IPL_DEVICE 0x10404
162#define INITRD_START 0x1040C
163#define INITRD_SIZE 0x10414
164#define OLDMEM_BASE 0x1041C
165#define OLDMEM_SIZE 0x10424
166#else /* CONFIG_64BIT */
167#define IPL_DEVICE 0x10400
168#define INITRD_START 0x10408
169#define INITRD_SIZE 0x10410
170#define OLDMEM_BASE 0x10418
171#define OLDMEM_SIZE 0x10420
172#endif /* CONFIG_64BIT */
173#define COMMAND_LINE 0x10480
174
175#endif /* __ASSEMBLY__ */
176#endif /* _ASM_S390_SETUP_H */