Interrupt defines that needed to be in a seperate file to avoid cyclic

includes.

sys/arch/i386/include/intrdefs.h

@@ -0,0 +1,88 @@
+/*	$NetBSD: intrdefs.h,v 1.1 2002/11/22 15:07:38 fvdl Exp $	*/
+
+#ifndef _i386_INTRDEFS_H
+#define _i386_INTRDEFS_H
+
+/*
+ * Interrupt priority levels.
+ * 
+ * There are tty, network and disk drivers that use free() at interrupt
+ * time, so imp > (tty | net | bio).
+ *
+ * Since run queues may be manipulated by both the statclock and tty,
+ * network, and disk drivers, clock > imp.
+ *
+ * IPL_HIGH must block everything that can manipulate a run queue.
+ *
+ * We need serial drivers to run at the absolute highest priority to
+ * avoid overruns, so serial > high.
+ *
+ * The level numbers are picked to fit into APIC vector priorities.
+ *
+ */
+#define	IPL_NONE	0x0	/* nothing */
+#define	IPL_SOFTCLOCK	0x4	/* timeouts */
+#define	IPL_SOFTNET	0x5	/* protocol stacks */
+#define	IPL_BIO		0x6	/* block I/O */
+#define	IPL_NET		0x7	/* network */
+#define	IPL_SOFTSERIAL	0x8	/* serial */
+#define	IPL_TTY		0x9	/* terminal */
+#define	IPL_VM		0xa	/* memory allocation */
+#define IPL_IMP		IPL_VM
+#define	IPL_AUDIO	0xb	/* audio */
+#define	IPL_CLOCK	0xc	/* clock */
+#define IPL_SCHED	IPL_CLOCK
+#define	IPL_HIGH	0xd	/* everything */
+#define	IPL_SERIAL	0xd	/* serial */
+#define IPL_IPI		0xe	/* inter-processor interrupts */
+#define	NIPL		16
+
+/* Interrupt sharing types. */
+#define	IST_NONE	0	/* none */
+#define	IST_PULSE	1	/* pulsed */
+#define	IST_EDGE	2	/* edge-triggered */
+#define	IST_LEVEL	3	/* level-triggered */
+
+/* Soft interrupt masks. */
+#define	SIR_CLOCK	31
+#define	SIR_NET	30
+#define	SIR_SERIAL	29
+
+/*
+ * Local APIC masks. Must not conflict with SIR_* above, and must
+ * be >= NUM_LEGACY_IRQs.
+ */
+#define LIR_TIMER	28
+#define LIR_IPI		27
+
+/*
+ * Maximum # of interrupt sources per CPU. 32 to fit in one word.
+ * ioapics can theoretically produce more, but it's not likely to
+ * happen. For multiple ioapics, things can be routed to different
+ * CPUs.
+ */
+#define MAX_INTR_SOURCES	32
+#define NUM_LEGACY_IRQS		16
+
+/*
+ * Low and high boundaries between which interrupt gates will
+ * be allocated in the IDT.
+ */
+#define IDT_INTR_LOW	(0x20 + NUM_LEGACY_IRQS)
+#define IDT_INTR_HIGH	0xef
+
+#define I386_IPI_HALT			0x00000001
+#define I386_IPI_MICROSET		0x00000002
+#define I386_IPI_FLUSH_FPU		0x00000004
+#define I386_IPI_SYNCH_FPU		0x00000008
+#define I386_IPI_TLB			0x00000010
+#define I386_IPI_MTRR			0x00000020
+#define I386_IPI_GDT			0x00000040
+
+#define I386_NIPI		7
+
+#define I386_IPI_NAMES { "halt IPI", "timeset IPI", "FPU flush IPI", \
+			 "FPU synch IPI", "TLB shootdown IPI", \
+			 "MTRR update IPI", "GDT update IPI" }
+
+#endif /* _I386_INTRDEFS_H */