From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Wed, 20 Oct 2010 08:18:50 +0000 (+0900)
Subject: pcie: comment on hpev_intx
X-Git-Tag: v0.14.0-rc0~500^2^2~12
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6da6d29fa63ab7adcc2959355497a44654f3703e;p=thirdparty%2Fqemu.git

pcie: comment on hpev_intx

document hpev_intx.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/pcie.h b/hw/pcie.h
index 68327d8d0d1..2871e270120 100644
--- a/hw/pcie.h
+++ b/hw/pcie.h
@@ -65,7 +65,15 @@ struct PCIExpressDevice {
     /* TODO FLR */
 
     /* SLOT */
-    unsigned int hpev_intx;     /* INTx for hot plug event */
+    unsigned int hpev_intx;     /* INTx for hot plug event (0-3:INT[A-D]#)
+                                 * default is 0 = INTA#
+                                 * If the chip wants to use other interrupt
+                                 * line, initialize this member with the
+                                 * desired number.
+                                 * If the chip dynamically changes this member,
+                                 * also initialize it when loaded as
+                                 * appropreately.
+                                 */
 };
 
 /* PCI express capability helper functions */