[2/6] kvm tools: Add kernel headers required for using list

Commit Message

Sasha Levin April 28, 2011, 1:40 p.m. UTC

Adds kernel headers so that <linux/list.h> (and others) could be included directly.

Signed-off-by: Sasha Levin <[e-mail]>
---
 tools/kvm/include/linux/kernel.h   |   26 ++++++++++++++++++++++++++
 tools/kvm/include/linux/prefetch.h |    6 ++++++
 tools/kvm/include/linux/types.h    |   12 ++++++++++++
 3 files changed, 44 insertions(+), 0 deletions(-)
 create mode 100644 tools/kvm/include/linux/kernel.h
 create mode 100644 tools/kvm/include/linux/prefetch.h

Patch

diff --git a/tools/kvm/include/linux/kernel.h b/tools/kvm/include/linux/kernel.h
new file mode 100644
index 0000000..8d83037
--- /dev/null
+++ b/tools/kvm/include/linux/kernel.h
@@ -0,0 +1,26 @@ 
+#ifndef KVM__LINUX_KERNEL_H_
+#define KVM__LINUX_KERNEL_H_
+
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+
+#define ALIGN(x,a)		__ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask)	(((x)+(mask))&~(mask))
+
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+#ifndef container_of
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr:	the pointer to the member.
+ * @type:	the type of the container struct this is embedded in.
+ * @member:	the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({			\
+	const typeof(((type *)0)->member) * __mptr = (ptr);	\
+	(type *)((char *)__mptr - offsetof(type, member)); })
+#endif
+
+#endif
diff --git a/tools/kvm/include/linux/prefetch.h b/tools/kvm/include/linux/prefetch.h
new file mode 100644
index 0000000..62f6788
--- /dev/null
+++ b/tools/kvm/include/linux/prefetch.h
@@ -0,0 +1,6 @@ 
+#ifndef KVM__LINUX_PREFETCH_H
+#define KVM__LINUX_PREFETCH_H
+
+static inline void prefetch(void *a __attribute__((unused))) { }
+
+#endif
diff --git a/tools/kvm/include/linux/types.h b/tools/kvm/include/linux/types.h
index efd8519..c7c444e 100644
--- a/tools/kvm/include/linux/types.h
+++ b/tools/kvm/include/linux/types.h
@@ -46,4 +46,16 @@  typedef __u32 __bitwise __be32;
 typedef __u64 __bitwise __le64;
 typedef __u64 __bitwise __be64;
 
+struct list_head {
+	struct list_head *next, *prev;
+};
+
+struct hlist_head {
+	struct hlist_node *first;
+};
+
+struct hlist_node {
+	struct hlist_node *next, **pprev;
+};
+
 #endif /* LINUX_TYPES_H */