diff options
author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 14:42:05 -0400 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 14:42:05 -0400 |
commit | c6557e7f2b6ae76a44653d38f835174074c42e05 (patch) | |
tree | da619a76b309cb1cd259d082af768a83cfcd6d52 /include/asm-s390/smp.h | |
parent | ab4227cb2d936886069ef1056c02500d05beb15d (diff) |
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/smp.h')
-rw-r--r-- | include/asm-s390/smp.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h deleted file mode 100644 index ae89cf2478fc..000000000000 --- a/include/asm-s390/smp.h +++ /dev/null | |||
@@ -1,116 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-s390/smp.h | ||
3 | * | ||
4 | * S390 version | ||
5 | * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation | ||
6 | * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), | ||
7 | * Martin Schwidefsky (schwidefsky@de.ibm.com) | ||
8 | * Heiko Carstens (heiko.carstens@de.ibm.com) | ||
9 | */ | ||
10 | #ifndef __ASM_SMP_H | ||
11 | #define __ASM_SMP_H | ||
12 | |||
13 | #include <linux/threads.h> | ||
14 | #include <linux/cpumask.h> | ||
15 | #include <linux/bitops.h> | ||
16 | |||
17 | #if defined(__KERNEL__) && defined(CONFIG_SMP) && !defined(__ASSEMBLY__) | ||
18 | |||
19 | #include <asm/lowcore.h> | ||
20 | #include <asm/sigp.h> | ||
21 | #include <asm/ptrace.h> | ||
22 | #include <asm/system.h> | ||
23 | |||
24 | /* | ||
25 | s390 specific smp.c headers | ||
26 | */ | ||
27 | typedef struct | ||
28 | { | ||
29 | int intresting; | ||
30 | sigp_ccode ccode; | ||
31 | __u32 status; | ||
32 | __u16 cpu; | ||
33 | } sigp_info; | ||
34 | |||
35 | extern void machine_restart_smp(char *); | ||
36 | extern void machine_halt_smp(void); | ||
37 | extern void machine_power_off_smp(void); | ||
38 | |||
39 | #define NO_PROC_ID 0xFF /* No processor magic marker */ | ||
40 | |||
41 | /* | ||
42 | * This magic constant controls our willingness to transfer | ||
43 | * a process across CPUs. Such a transfer incurs misses on the L1 | ||
44 | * cache, and on a P6 or P5 with multiple L2 caches L2 hits. My | ||
45 | * gut feeling is this will vary by board in value. For a board | ||
46 | * with separate L2 cache it probably depends also on the RSS, and | ||
47 | * for a board with shared L2 cache it ought to decay fast as other | ||
48 | * processes are run. | ||
49 | */ | ||
50 | |||
51 | #define PROC_CHANGE_PENALTY 20 /* Schedule penalty */ | ||
52 | |||
53 | #define raw_smp_processor_id() (S390_lowcore.cpu_data.cpu_nr) | ||
54 | |||
55 | static inline __u16 hard_smp_processor_id(void) | ||
56 | { | ||
57 | return stap(); | ||
58 | } | ||
59 | |||
60 | /* | ||
61 | * returns 1 if cpu is in stopped/check stopped state or not operational | ||
62 | * returns 0 otherwise | ||
63 | */ | ||
64 | static inline int | ||
65 | smp_cpu_not_running(int cpu) | ||
66 | { | ||
67 | __u32 status; | ||
68 | |||
69 | switch (signal_processor_ps(&status, 0, cpu, sigp_sense)) { | ||
70 | case sigp_order_code_accepted: | ||
71 | case sigp_status_stored: | ||
72 | /* Check for stopped and check stop state */ | ||
73 | if (status & 0x50) | ||
74 | return 1; | ||
75 | break; | ||
76 | case sigp_not_operational: | ||
77 | return 1; | ||
78 | default: | ||
79 | break; | ||
80 | } | ||
81 | return 0; | ||
82 | } | ||
83 | |||
84 | #define cpu_logical_map(cpu) (cpu) | ||
85 | |||
86 | extern int __cpu_disable (void); | ||
87 | extern void __cpu_die (unsigned int cpu); | ||
88 | extern void cpu_die (void) __attribute__ ((noreturn)); | ||
89 | extern int __cpu_up (unsigned int cpu); | ||
90 | |||
91 | extern struct mutex smp_cpu_state_mutex; | ||
92 | extern int smp_cpu_polarization[]; | ||
93 | |||
94 | extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *), | ||
95 | void *info, int wait); | ||
96 | #endif | ||
97 | |||
98 | #ifndef CONFIG_SMP | ||
99 | static inline void smp_send_stop(void) | ||
100 | { | ||
101 | /* Disable all interrupts/machine checks */ | ||
102 | __load_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK); | ||
103 | } | ||
104 | |||
105 | #define hard_smp_processor_id() 0 | ||
106 | #define smp_cpu_not_running(cpu) 1 | ||
107 | #endif | ||
108 | |||
109 | #ifdef CONFIG_HOTPLUG_CPU | ||
110 | extern int smp_rescan_cpus(void); | ||
111 | #else | ||
112 | static inline int smp_rescan_cpus(void) { return 0; } | ||
113 | #endif | ||
114 | |||
115 | extern union save_area *zfcpdump_save_areas[NR_CPUS + 1]; | ||
116 | #endif | ||