patch-2.4.0-test6 linux/include/linux/irq_cpustat.h

• Lines: 38
• Date: Wed Aug 9 18:57:54 2000
• Orig file: v2.4.0-test5/linux/include/linux/irq_cpustat.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test5/linux/include/linux/irq_cpustat.h linux/include/linux/irq_cpustat.h
@@ -0,0 +1,37 @@
+#ifndef __irq_cpustat_h
+#define __irq_cpustat_h
+
+/*
+ * Contains default mappings for irq_cpustat_t, used by almost every
+ * architecture.  Some arch (like s390) have per cpu hardware pages and
+ * they define their own mappings for irq_stat.
+ *
+ * Keith Owens <kaos@ocs.com.au> July 2000.
+ */
+
+#include <linux/config.h>
+
+/*
+ * Simple wrappers reducing source bloat.  Define all irq_stat fields
+ * here, even ones that are arch dependent.  That way we get common
+ * definitions instead of differing sets for each arch.
+ */
+
+extern irq_cpustat_t irq_stat[];			/* defined in asm/hardirq.h */
+
+#ifdef CONFIG_SMP
+#define __IRQ_STAT(cpu, member)	(irq_stat[cpu].member)
+#else
+#define __IRQ_STAT(cpu, member)	((void)(cpu), irq_stat[0].member)
+#endif	
+
+  /* arch independent irq_stat fields */
+#define softirq_active(cpu)	__IRQ_STAT((cpu), __softirq_active)
+#define softirq_mask(cpu)	__IRQ_STAT((cpu), __softirq_mask)
+#define local_irq_count(cpu)	__IRQ_STAT((cpu), __local_irq_count)
+#define local_bh_count(cpu)	__IRQ_STAT((cpu), __local_bh_count)
+#define syscall_count(cpu)	__IRQ_STAT((cpu), __syscall_count)
+  /* arch dependent irq_stat fields */
+#define nmi_count(cpu)		__IRQ_STAT((cpu), __nmi_count)		/* i386, ia64 */
+
+#endif	/* __irq_cpustat_h */