aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/include/asm/smp.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/include/asm/smp.h')
-rw-r--r--arch/sh/include/asm/smp.h70
1 files changed, 49 insertions, 21 deletions
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 593343cd26e..78b0d0f4b24 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -3,15 +3,16 @@
#include <linux/bitops.h>
#include <linux/cpumask.h>
+#include <asm/smp-ops.h>
#ifdef CONFIG_SMP
#include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/current.h>
+#include <asm/percpu.h>
#define raw_smp_processor_id() (current_thread_info()->cpu)
-#define hard_smp_processor_id() plat_smp_processor_id()
/* Map from cpu id to sequential logical cpu number. */
extern int __cpu_number_map[NR_CPUS];
@@ -21,25 +22,52 @@ extern int __cpu_number_map[NR_CPUS];
extern int __cpu_logical_map[NR_CPUS];
#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
-/* I've no idea what the real meaning of this is */
-#define PROC_CHANGE_PENALTY 20
-
-#define NO_PROC_ID (-1)
-
-#define SMP_MSG_FUNCTION 0
-#define SMP_MSG_RESCHEDULE 1
-#define SMP_MSG_FUNCTION_SINGLE 2
-#define SMP_MSG_NR 3
-
-void plat_smp_setup(void);
-void plat_prepare_cpus(unsigned int max_cpus);
-int plat_smp_processor_id(void);
-void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
-void plat_send_ipi(unsigned int cpu, unsigned int message);
-int plat_register_ipi_handler(unsigned int message,
- void (*handler)(void *), void *arg);
-extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+enum {
+ SMP_MSG_FUNCTION,
+ SMP_MSG_RESCHEDULE,
+ SMP_MSG_FUNCTION_SINGLE,
+ SMP_MSG_TIMER,
+
+ SMP_MSG_NR, /* must be last */
+};
+
+DECLARE_PER_CPU(int, cpu_state);
+
+void smp_message_recv(unsigned int msg);
+void smp_timer_broadcast(const struct cpumask *mask);
+
+void local_timer_interrupt(void);
+void local_timer_setup(unsigned int cpu);
+void local_timer_stop(unsigned int cpu);
+
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+void native_play_dead(void);
+void native_cpu_die(unsigned int cpu);
+int native_cpu_disable(unsigned int cpu);
+
+#ifdef CONFIG_HOTPLUG_CPU
+void play_dead_common(void);
+extern int __cpu_disable(void);
+
+static inline void __cpu_die(unsigned int cpu)
+{
+ extern struct plat_smp_ops *mp_ops; /* private */
+
+ mp_ops->cpu_die(cpu);
+}
+#endif
+
+static inline int hard_smp_processor_id(void)
+{
+ extern struct plat_smp_ops *mp_ops; /* private */
+
+ if (!mp_ops)
+ return 0; /* boot CPU */
+
+ return mp_ops->smp_processor_id();
+}
#else