add a dumb pci_intr_establish_cpu().

i386 doesnt support msix, and the interrupt code assumes that it
only ties stuff to cpu0. this mostly exists so the api exists for
multiq drivers to compile against, but fail with when they try to
use it.

tested with a hacked up vmx(4).

2 files changed, 16 insertions, 2 deletions

diff --git a/sys/arch/i386/pci/pci_machdep.c b/sys/arch/i386/pci/pci_machdep.c
index 0e4416af08e..d301dab8eac 100644
--- a/sys/arch/i386/pci/pci_machdep.c
+++ b/sys/arch/i386/pci/pci_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pci_machdep.c,v 1.85 2019/01/07 23:44:11 bluhm Exp $	*/
+/*	$OpenBSD: pci_machdep.c,v 1.86 2020/06/17 06:17:19 dlg Exp $	*/
 /*	$NetBSD: pci_machdep.c,v 1.28 1997/06/06 23:29:17 thorpej Exp $	*/
 
 /*-
@@ -788,6 +788,17 @@ extern struct intrhand *apic_intrhand[256];
 extern int apic_maxlevel[256];
 
 void *
+pci_intr_establish_cpu(pci_chipset_tag_t pc, pci_intr_handle_t ih,
+    int level, struct cpu_info *ci,
+    int (*func)(void *), void *arg, const char *what)
+{
+	if (ci != NULL && ci != &cpu_info_primary)
+		return (NULL);
+
+	return pci_intr_establish(pc, ih, level, func, arg, what);
+}
+
+void *
 pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
     int (*func)(void *), void *arg, const char *what)
 {
diff --git a/sys/arch/i386/pci/pci_machdep.h b/sys/arch/i386/pci/pci_machdep.h
index 3d2f214262a..fc2285392da 100644
--- a/sys/arch/i386/pci/pci_machdep.h
+++ b/sys/arch/i386/pci/pci_machdep.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pci_machdep.h,v 1.31 2020/03/20 13:15:49 mpi Exp $	*/
+/*	$OpenBSD: pci_machdep.h,v 1.32 2020/06/17 06:17:19 dlg Exp $	*/
 /*	$NetBSD: pci_machdep.h,v 1.7 1997/06/06 23:29:18 thorpej Exp $	*/
 
 /*
@@ -100,6 +100,9 @@ int		pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
 const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
 void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
 		    int, int (*)(void *), void *, const char *);
+void		*pci_intr_establish_cpu(pci_chipset_tag_t, pci_intr_handle_t,
+		    int, struct cpu_info *,
+		    int (*)(void *), void *, const char *);
 void		pci_intr_disestablish(pci_chipset_tag_t, void *);
 void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
 		    int *, int *, int *);