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authorMichael S. Tsirkin <mst@redhat.com>2010-10-27 19:07:10 +0200
committerMichael S. Tsirkin <mst@redhat.com>2010-10-27 19:07:10 +0200
commitb907b69dd75415bc28349d1dd1e9a598ddace463 (patch)
treeac0c20fcaef6e9d675132617e95ca457dc51459e /hw/msi.h
parentdf2943ba3c73ca21dbda063f15fa3e80064af864 (diff)
parent804b207170cdccca3672b63caaf82312ad205a7f (diff)
Merge branch 'pci' into for_anthony
Diffstat (limited to 'hw/msi.h')
-rw-r--r--hw/msi.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/msi.h b/hw/msi.h
new file mode 100644
index 0000000000..5766018d79
--- /dev/null
+++ b/hw/msi.h
@@ -0,0 +1,41 @@
+/*
+ * msi.h
+ *
+ * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
+ * VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef QEMU_MSI_H
+#define QEMU_MSI_H
+
+#include "qemu-common.h"
+#include "pci.h"
+
+bool msi_enabled(const PCIDevice *dev);
+int msi_init(struct PCIDevice *dev, uint8_t offset,
+ unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask);
+void msi_uninit(struct PCIDevice *dev);
+void msi_reset(PCIDevice *dev);
+void msi_notify(PCIDevice *dev, unsigned int vector);
+void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);
+unsigned int msi_nr_vectors_allocated(const PCIDevice *dev);
+
+static inline bool msi_present(const PCIDevice *dev)
+{
+ return dev->cap_present & QEMU_PCI_CAP_MSI;
+}
+
+#endif /* QEMU_MSI_H */