Establish API to route interrupts to specific CPU cores.

Based on and ok drahn@

2 files changed, 14 insertions, 2 deletions

diff --git a/sys/arch/arm64/arm64/intr.c b/sys/arch/arm64/arm64/intr.c
index 53ab09c2266..b369d7a3431 100644
--- a/sys/arch/arm64/arm64/intr.c
+++ b/sys/arch/arm64/arm64/intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: intr.c,v 1.5 2017/02/25 16:53:09 patrick Exp $ */
+/* $OpenBSD: intr.c,v 1.6 2017/03/08 08:48:02 patrick Exp $ */
 /*
  * Copyright (c) 2011 Dale Rahn <drahn@openbsd.org>
  *
@@ -459,6 +459,16 @@ arm_intr_parent_disestablish_fdt(void *cookie)
 	free(ih, M_DEVBUF, sizeof(*ih));
 }
 
+void
+arm_intr_route(void *cookie, int enable, int cpuid)
+{
+	struct arm_intr_handle *ih = cookie;
+	struct interrupt_controller *ic = ih->ih_ic;
+
+	if (ic->ic_route)
+		ic->ic_route(ih->ih_ih, enable, cpuid);
+}
+
 int
 arm_dflt_splraise(int newcpl)
 {
diff --git a/sys/arch/arm64/include/intr.h b/sys/arch/arm64/include/intr.h
index ef788d965e9..cd31339bbb5 100644
--- a/sys/arch/arm64/include/intr.h
+++ b/sys/arch/arm64/include/intr.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: intr.h,v 1.4 2017/02/25 16:53:09 patrick Exp $ */
+/*	$OpenBSD: intr.h,v 1.5 2017/03/08 08:48:02 patrick Exp $ */
 
 /*
  * Copyright (c) 2001-2004 Opsycon AB  (www.opsycon.se / www.opsycon.com)
@@ -137,6 +137,7 @@ struct interrupt_controller {
 	void	*(*ic_establish_msi)(void *, uint64_t *, uint64_t *, int,
 		    int (*)(void *), void *, char *);
 	void	 (*ic_disestablish)(void *);
+	void	 (*ic_route)(void *, int, int);
 
 	LIST_ENTRY(interrupt_controller) ic_list;
 	uint32_t ic_phandle;
@@ -154,6 +155,7 @@ void	*arm_intr_establish_fdt_imap(int, int *, int, int, int, int (*)(void *),
 void	*arm_intr_establish_fdt_msi(int, uint64_t *, uint64_t *, int ,
 	    int (*)(void *), void *, char *);
 void	 arm_intr_disestablish_fdt(void *);
+void	 arm_intr_route(void *, int, int);
 
 void	*arm_intr_parent_establish_fdt(void *, int *, int,
 	    int (*)(void *), void *, char *);