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