~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/sparc/include/asm/smp_32.h

Version: ~ [ linux-5.10-rc1 ] ~ [ linux-5.9.1 ] ~ [ linux-5.8.16 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.72 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.152 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.202 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.240 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.240 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* smp.h: Sparc specific SMP stuff.
  2  *
  3  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
  4  */
  5 
  6 #ifndef _SPARC_SMP_H
  7 #define _SPARC_SMP_H
  8 
  9 #include <linux/threads.h>
 10 #include <asm/head.h>
 11 
 12 #ifndef __ASSEMBLY__
 13 
 14 #include <linux/cpumask.h>
 15 
 16 #endif /* __ASSEMBLY__ */
 17 
 18 #ifdef CONFIG_SMP
 19 
 20 #ifndef __ASSEMBLY__
 21 
 22 #include <asm/ptrace.h>
 23 #include <asm/asi.h>
 24 #include <linux/atomic.h>
 25 
 26 /*
 27  *      Private routines/data
 28  */
 29 
 30 extern unsigned char boot_cpu_id;
 31 extern volatile unsigned long cpu_callin_map[NR_CPUS];
 32 extern cpumask_t smp_commenced_mask;
 33 extern struct linux_prom_registers smp_penguin_ctable;
 34 
 35 typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
 36                        unsigned long, unsigned long);
 37 
 38 void cpu_panic(void);
 39 
 40 /*
 41  *      General functions that each host system must provide.
 42  */
 43 
 44 void sun4m_init_smp(void);
 45 void sun4d_init_smp(void);
 46 
 47 void smp_callin(void);
 48 void smp_store_cpu_info(int);
 49 
 50 void smp_resched_interrupt(void);
 51 void smp_call_function_single_interrupt(void);
 52 void smp_call_function_interrupt(void);
 53 
 54 struct seq_file;
 55 void smp_bogo(struct seq_file *);
 56 void smp_info(struct seq_file *);
 57 
 58 struct sparc32_ipi_ops {
 59         void (*cross_call)(smpfunc_t func, cpumask_t mask, unsigned long arg1,
 60                            unsigned long arg2, unsigned long arg3,
 61                            unsigned long arg4);
 62         void (*resched)(int cpu);
 63         void (*single)(int cpu);
 64         void (*mask_one)(int cpu);
 65 };
 66 extern const struct sparc32_ipi_ops *sparc32_ipi_ops;
 67 
 68 static inline void xc0(smpfunc_t func)
 69 {
 70         sparc32_ipi_ops->cross_call(func, *cpu_online_mask, 0, 0, 0, 0);
 71 }
 72 
 73 static inline void xc1(smpfunc_t func, unsigned long arg1)
 74 {
 75         sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, 0, 0, 0);
 76 }
 77 static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
 78 {
 79         sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0);
 80 }
 81 
 82 static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 83                        unsigned long arg3)
 84 {
 85         sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
 86                                     arg1, arg2, arg3, 0);
 87 }
 88 
 89 static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 90                        unsigned long arg3, unsigned long arg4)
 91 {
 92         sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
 93                                     arg1, arg2, arg3, arg4);
 94 }
 95 
 96 extern void arch_send_call_function_single_ipi(int cpu);
 97 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 98 
 99 static inline int cpu_logical_map(int cpu)
100 {
101         return cpu;
102 }
103 
104 extern int hard_smp_processor_id(void);
105 
106 #define raw_smp_processor_id()          (current_thread_info()->cpu)
107 
108 void smp_setup_cpu_possible_map(void);
109 
110 #endif /* !(__ASSEMBLY__) */
111 
112 /* Sparc specific messages. */
113 #define MSG_CROSS_CALL         0x0005       /* run func on cpus */
114 
115 /* Empirical PROM processor mailbox constants.  If the per-cpu mailbox
116  * contains something other than one of these then the ipi is from
117  * Linux's active_kernel_processor.  This facility exists so that
118  * the boot monitor can capture all the other cpus when one catches
119  * a watchdog reset or the user enters the monitor using L1-A keys.
120  */
121 #define MBOX_STOPCPU          0xFB
122 #define MBOX_IDLECPU          0xFC
123 #define MBOX_IDLECPU2         0xFD
124 #define MBOX_STOPCPU2         0xFE
125 
126 #else /* SMP */
127 
128 #define hard_smp_processor_id()         0
129 #define smp_setup_cpu_possible_map() do { } while (0)
130 
131 #endif /* !(SMP) */
132 #endif /* !(_SPARC_SMP_H) */
133 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp