From: Michael S. Tsirkin <mst@redhat.com>
Date: Tue, 24 Nov 2009 14:44:15 +0000 (+0200)
Subject: msix: add helper to unuse all msix entries
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b5f28bcaeec3ca54755f24ae665c4028fc598d77;p=qemu.git

msix: add helper to unuse all msix entries

will be used by virtio on soft reset

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/msix.c b/hw/msix.c
index 548ffd5c8b..d49944111f 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -378,3 +378,10 @@ void msix_vector_unuse(PCIDevice *dev, unsigned vector)
     if (vector < dev->msix_entries_nr && dev->msix_entry_used[vector])
         --dev->msix_entry_used[vector];
 }
+
+void msix_unuse_all_vectors(PCIDevice *dev)
+{
+    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
+        return;
+    msix_free_irq_entries(dev);
+}
diff --git a/hw/msix.h b/hw/msix.h
index 39fa568f9c..a9f7993c39 100644
--- a/hw/msix.h
+++ b/hw/msix.h
@@ -25,6 +25,7 @@ uint32_t msix_bar_size(PCIDevice *dev);
 
 int msix_vector_use(PCIDevice *dev, unsigned vector);
 void msix_vector_unuse(PCIDevice *dev, unsigned vector);
+void msix_unuse_all_vectors(PCIDevice *dev);
 
 void msix_notify(PCIDevice *dev, unsigned vector);