[RFC PATCH 13/20] IOMMU: add pasid_table_info for guest pasid table

Liu, Yi L
2017-04-26T10:24:33Z

This patch adds iommu.h to define some generic definition for IOMMU.

Here defines "struct pasid_table_info" for guest pasid table bind.

Signed-off-by: Liu, Yi L <yi.l.liu@linux.intel.com>
---
linux-headers/linux/iommu.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 linux-headers/linux/iommu.h

diff --git a/linux-headers/linux/iommu.h b/linux-headers/linux/iommu.h
new file mode 100644
index 0000000..4519dcf
--- /dev/null
+++ b/linux-headers/linux/iommu.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 Intel Corporation.
+ * Author: Yi Liu <yi.l.liu@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ */
+
+#ifndef __LINUX_IOMMU_H
+#define __LINUX_IOMMU_H
+
+#include <linux/errno.h>
+
+struct pasid_table_info {
+ __u64 ptr; /* PASID table ptr */
+ __u64 size; /* PASID table size*/
+ __u32 model; /* magic number */
+#define INTEL_IOMMU (1 << 0)
+#define ARM_SMMU (1 << 1)
+ __u8 opaque[];/* IOMMU-specific details */
+};
+
+#endif /* __LINUX_IOMMU_H */
--
1.9.1