sh: convert to generic helpers for IPI function calls

[linux-2.6-omap-h63xx.git] / include / asm-sh / smp.h

diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h
index b99ca786c0c1986c028c7dc325e91ca97ae26e7b..593343cd26ee02e6ab584d23e8516ce9e8645d53 100644 (file)
--- a/include/asm-sh/smp.h
+++ b/include/asm-sh/smp.h
@@ -1,12 +1,3 @@
-/*
- * include/asm-sh/smp.h
- *
- * Copyright (C) 2002, 2003  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive for
- * more details.
- */
 #ifndef __ASM_SH_SMP_H
 #define __ASM_SH_SMP_H
 
@@ -20,25 +11,40 @@
 #include <asm/current.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];
+#define cpu_number_map(cpu)  __cpu_number_map[cpu]
+
+/* The reverse map from sequential logical cpu number to cpu id.  */
+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)
 
-struct smp_fn_call_struct {
-       spinlock_t lock;
-       atomic_t   finished;
-       void (*fn)(void *);
-       void *data;
-};
-
-extern struct smp_fn_call_struct smp_fn_call;
+#define SMP_MSG_FUNCTION       0
+#define SMP_MSG_RESCHEDULE     1
+#define SMP_MSG_FUNCTION_SINGLE        2
+#define SMP_MSG_NR             3
 
-#define SMP_MSG_RESCHEDULE     0x0001
+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);
 
-#endif /* CONFIG_SMP */
+#else
 
 #define hard_smp_processor_id()        (0)
 
+#endif /* CONFIG_SMP */
+
 #endif /* __ASM_SH_SMP_H */