fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-s390 / setup.h
bloba76a6b8fd887e259a62681053f058c850c3b54d4
1 /*
2 * include/asm-s390/setup.h
4 * S390 version
5 * Copyright IBM Corp. 1999,2006
6 */
8 #ifndef _ASM_S390_SETUP_H
9 #define _ASM_S390_SETUP_H
11 #define COMMAND_LINE_SIZE 896
13 #ifdef __KERNEL__
15 #include <asm/types.h>
17 #define PARMAREA 0x10400
18 #define MEMORY_CHUNKS 16 /* max 0x7fff */
20 #ifndef __ASSEMBLY__
22 #ifndef __s390x__
23 #define IPL_DEVICE (*(unsigned long *) (0x10404))
24 #define INITRD_START (*(unsigned long *) (0x1040C))
25 #define INITRD_SIZE (*(unsigned long *) (0x10414))
26 #else /* __s390x__ */
27 #define IPL_DEVICE (*(unsigned long *) (0x10400))
28 #define INITRD_START (*(unsigned long *) (0x10408))
29 #define INITRD_SIZE (*(unsigned long *) (0x10410))
30 #endif /* __s390x__ */
31 #define COMMAND_LINE ((char *) (0x10480))
33 #define CHUNK_READ_WRITE 0
34 #define CHUNK_READ_ONLY 1
36 struct mem_chunk {
37 unsigned long addr;
38 unsigned long size;
39 unsigned long type;
42 extern struct mem_chunk memory_chunk[];
43 extern unsigned long real_memory_size;
45 #ifdef CONFIG_S390_SWITCH_AMODE
46 extern unsigned int switch_amode;
47 #else
48 #define switch_amode (0)
49 #endif
51 #ifdef CONFIG_S390_EXEC_PROTECT
52 extern unsigned int s390_noexec;
53 #else
54 #define s390_noexec (0)
55 #endif
58 * Machine features detected in head.S
60 extern unsigned long machine_flags;
62 #define MACHINE_IS_VM (machine_flags & 1)
63 #define MACHINE_IS_P390 (machine_flags & 4)
64 #define MACHINE_HAS_MVPG (machine_flags & 16)
65 #define MACHINE_HAS_IDTE (machine_flags & 128)
66 #define MACHINE_HAS_DIAG9C (machine_flags & 256)
68 #ifndef __s390x__
69 #define MACHINE_HAS_IEEE (machine_flags & 2)
70 #define MACHINE_HAS_CSP (machine_flags & 8)
71 #define MACHINE_HAS_DIAG44 (1)
72 #define MACHINE_HAS_MVCOS (0)
73 #else /* __s390x__ */
74 #define MACHINE_HAS_IEEE (1)
75 #define MACHINE_HAS_CSP (1)
76 #define MACHINE_HAS_DIAG44 (machine_flags & 32)
77 #define MACHINE_HAS_MVCOS (machine_flags & 512)
78 #endif /* __s390x__ */
80 #define MACHINE_HAS_SCLP (!MACHINE_IS_P390)
81 #define ZFCPDUMP_HSA_SIZE (32UL<<20)
84 * Console mode. Override with conmode=
86 extern unsigned int console_mode;
87 extern unsigned int console_devno;
88 extern unsigned int console_irq;
90 extern char vmhalt_cmd[];
91 extern char vmpoff_cmd[];
93 #define CONSOLE_IS_UNDEFINED (console_mode == 0)
94 #define CONSOLE_IS_SCLP (console_mode == 1)
95 #define CONSOLE_IS_3215 (console_mode == 2)
96 #define CONSOLE_IS_3270 (console_mode == 3)
97 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
98 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
99 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
101 #define NSS_NAME_SIZE 8
102 extern char kernel_nss_name[];
104 #else /* __ASSEMBLY__ */
106 #ifndef __s390x__
107 #define IPL_DEVICE 0x10404
108 #define INITRD_START 0x1040C
109 #define INITRD_SIZE 0x10414
110 #else /* __s390x__ */
111 #define IPL_DEVICE 0x10400
112 #define INITRD_START 0x10408
113 #define INITRD_SIZE 0x10410
114 #endif /* __s390x__ */
115 #define COMMAND_LINE 0x10480
117 #endif /* __ASSEMBLY__ */
118 #endif /* __KERNEL__ */
119 #endif /* _ASM_S390_SETUP_H */