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authorMichael S. Tsirkin <mst@redhat.com>2012-12-12 13:32:14 +0200
committerMichael S. Tsirkin <mst@redhat.com>2012-12-17 13:02:17 +0200
commit315a1350c4a386065a73aad2ded1a11d77bf7771 (patch)
treeaa3fb4aef47d33387386df46eb6cd1c47b35c197 /hw/pci/msi.h
parentca818cfbfd77e02ffac338866568ac07f6f5fd7d (diff)
pci: move pci core code to hw/pci
Move files and modify makefiles to pick them at the new location. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/msi.h')
-rw-r--r--hw/pci/msi.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/hw/pci/msi.h b/hw/pci/msi.h
new file mode 100644
index 0000000000..150b09a19d
--- /dev/null
+++ b/hw/pci/msi.h
@@ -0,0 +1,50 @@
+/*
+ * 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"
+
+struct MSIMessage {
+ uint64_t address;
+ uint32_t data;
+};
+
+extern bool msi_supported;
+
+void msi_set_message(PCIDevice *dev, MSIMessage msg);
+MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector);
+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 */