patch-1.3.26 linux/include/linux/smp.h

• Lines: 32
• Date: Mon Sep 11 20:15:53 1995
• Orig file: v1.3.25/linux/include/linux/smp.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.25/linux/include/linux/smp.h linux/include/linux/smp.h
@@ -0,0 +1,31 @@
+#ifndef __LINUX_SMP_H
+#define __LINUX_SMP_H
+
+/*
+ *	Generic SMP support
+ *		Alan Cox. <alan@cymru.net>
+ */
+
+#include <asm/smp.h>
+
+ 
+extern void smp_message_pass(int target, int msg, unsigned long data, int wait);
+extern void smp_boot_cpus(void);		/* Boot processor call to load the other CPU's */
+extern void smp_callin(void);			/* Processor call in. Must hold processors until .. */
+extern void smp_commence(void);			/* Multiprocessors may now schedule */
+extern int smp_num_cpus;
+extern int smp_threads_ready;			/* True once the per process idle is forked */
+extern volatile unsigned long smp_spins;	/* Count of spins */
+
+extern volatile unsigned long smp_msg_data;
+extern volatile int smp_src_cpu;
+extern volatile int smp_msg_id;
+
+#define MSG_ALL_BUT_SELF	0x8000		/* Assume <32768 CPU's */
+#define MSG_ALL			0x8001
+
+#define MSG_INVALIDATE_TLB	0x0001		/* Remote processor TLB invalidate */
+#define MSG_STOP_CPU		0x0002		/* Sent to shut down slave CPU's when rebooting */
+#define MSG_RESCHEDULE		0x0003		/* Reschedule request from master CPU */
+
+#endif