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