From 90415e0b4ea15d5aec396ee50f0036d00e4d4d09 Mon Sep 17 00:00:00 2001
From: Neel Natu <neel@FreeBSD.org>
Date: Sat, 27 Oct 2012 02:39:08 +0000
Subject: [PATCH] Ignore PCI configuration accesses to all bus numbers other
 than PCI bus 0.

Obtained from:	NetApp
---
 usr.sbin/bhyve/pci_emul.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/bhyve/pci_emul.c b/usr.sbin/bhyve/pci_emul.c
index f9d75e309182..1836bc9b3810 100644
--- a/usr.sbin/bhyve/pci_emul.c
+++ b/usr.sbin/bhyve/pci_emul.c
@@ -821,7 +821,11 @@ pci_emul_cfgdata(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
 
 	assert(bytes == 1 || bytes == 2 || bytes == 4);
 	
-	pi = pci_slotinfo[cfgslot][cfgfunc].si_devi;
+	if (cfgbus == 0)
+		pi = pci_slotinfo[cfgslot][cfgfunc].si_devi;
+	else
+		pi = NULL;
+
 	coff = cfgoff + (port - CONF1_DATA_PORT);
 
 #if 0