aboutsummaryrefslogtreecommitdiff
path: root/hw/pci/msi.h
diff options
context:
space:
mode:
authorAndreas Färber <afaerber@suse.de>2012-12-23 00:39:34 +0100
committerAndreas Färber <afaerber@suse.de>2012-12-23 00:40:49 +0100
commit501a7ce7270955be151c442c27620fa7af2f3ce5 (patch)
tree0374e4d581a0246074d55712b81baf01f3c439b6 /hw/pci/msi.h
parent62e0c095450f6a7eb37914991f3f7966aa4da7a1 (diff)
parent36f25d2537c40c6c47f4abee5d31a24863d1adf7 (diff)
Merge branch 'master' of git://git.qemu.org/qemu into qom-cpu
Adapt header include paths. Signed-off-by: Andreas Färber <afaerber@suse.de>
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..81a3848a31
--- /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 "hw/pci/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 */