Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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 <linux/const.h>
9#include <uapi/asm/setup.h>
10
11
12#define PARMAREA 0x10400
13
14/*
15 * Machine features detected in early.c
16 */
17
18#define MACHINE_FLAG_VM _BITUL(0)
19#define MACHINE_FLAG_KVM _BITUL(1)
20#define MACHINE_FLAG_LPAR _BITUL(2)
21#define MACHINE_FLAG_DIAG9C _BITUL(3)
22#define MACHINE_FLAG_ESOP _BITUL(4)
23#define MACHINE_FLAG_IDTE _BITUL(5)
24#define MACHINE_FLAG_DIAG44 _BITUL(6)
25#define MACHINE_FLAG_EDAT1 _BITUL(7)
26#define MACHINE_FLAG_EDAT2 _BITUL(8)
27#define MACHINE_FLAG_LPP _BITUL(9)
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)
32#define MACHINE_FLAG_CAD _BITUL(14)
33
34#define LPP_MAGIC _BITUL(31)
35#define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL)
36
37#ifndef __ASSEMBLY__
38
39#include <asm/lowcore.h>
40#include <asm/types.h>
41
42#define IPL_DEVICE (*(unsigned long *) (0x10400))
43#define INITRD_START (*(unsigned long *) (0x10408))
44#define INITRD_SIZE (*(unsigned long *) (0x10410))
45#define OLDMEM_BASE (*(unsigned long *) (0x10418))
46#define OLDMEM_SIZE (*(unsigned long *) (0x10420))
47#define COMMAND_LINE ((char *) (0x10480))
48
49extern int memory_end_set;
50extern unsigned long memory_end;
51extern unsigned long max_physmem_end;
52
53extern void detect_memory_memblock(void);
54
55#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
56#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
57#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
58
59#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
60#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
61#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
62#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
63
64#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
65#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
66#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
67#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
68#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
69#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
70#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
71#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
72#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
73#define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
74
75/*
76 * Console mode. Override with conmode=
77 */
78extern unsigned int console_mode;
79extern unsigned int console_devno;
80extern unsigned int console_irq;
81
82extern char vmhalt_cmd[];
83extern char vmpoff_cmd[];
84
85#define CONSOLE_IS_UNDEFINED (console_mode == 0)
86#define CONSOLE_IS_SCLP (console_mode == 1)
87#define CONSOLE_IS_3215 (console_mode == 2)
88#define CONSOLE_IS_3270 (console_mode == 3)
89#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
90#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
91#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
92
93#define NSS_NAME_SIZE 8
94extern char kernel_nss_name[];
95
96#ifdef CONFIG_PFAULT
97extern int pfault_init(void);
98extern void pfault_fini(void);
99#else /* CONFIG_PFAULT */
100#define pfault_init() ({-1;})
101#define pfault_fini() do { } while (0)
102#endif /* CONFIG_PFAULT */
103
104void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault);
105
106extern void cmma_init(void);
107
108extern void (*_machine_restart)(char *command);
109extern void (*_machine_halt)(void);
110extern void (*_machine_power_off)(void);
111
112#else /* __ASSEMBLY__ */
113
114#define IPL_DEVICE 0x10400
115#define INITRD_START 0x10408
116#define INITRD_SIZE 0x10410
117#define OLDMEM_BASE 0x10418
118#define OLDMEM_SIZE 0x10420
119#define COMMAND_LINE 0x10480
120
121#endif /* __ASSEMBLY__ */
122#endif /* _ASM_S390_SETUP_H */