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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:10 +0000
commitb5875be0451b92bdd99663c8305ae46bd6a7d90c (patch)
tree68a6a5f79ac618c79ba3777c21faaea9aec2f0b4 /libdde-linux26/contrib/include/linux/kvm_para.h
parentce6a36c7f7c88e7ca0fda816f9282237bb86829d (diff)
parent7996a3d79d55b7f879dfd62e202bbfe2963718d3 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/contrib/include/linux/kvm_para.h')
-rw-r--r--libdde-linux26/contrib/include/linux/kvm_para.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/kvm_para.h b/libdde-linux26/contrib/include/linux/kvm_para.h
new file mode 100644
index 00000000..3ddce037
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/kvm_para.h
@@ -0,0 +1,40 @@
+#ifndef __LINUX_KVM_PARA_H
+#define __LINUX_KVM_PARA_H
+
+/*
+ * This header file provides a method for making a hypercall to the host
+ * Architectures should define:
+ * - kvm_hypercall0, kvm_hypercall1...
+ * - kvm_arch_para_features
+ * - kvm_para_available
+ */
+
+/* Return values for hypercalls */
+#define KVM_ENOSYS 1000
+#define KVM_EFAULT EFAULT
+#define KVM_E2BIG E2BIG
+
+#define KVM_HC_VAPIC_POLL_IRQ 1
+#define KVM_HC_MMU_OP 2
+
+/*
+ * hypercalls use architecture specific
+ */
+#include <asm/kvm_para.h>
+
+#ifdef __KERNEL__
+#ifdef CONFIG_KVM_GUEST
+void __init kvm_guest_init(void);
+#else
+#define kvm_guest_init() do { } while (0)
+#endif
+
+static inline int kvm_para_has_feature(unsigned int feature)
+{
+ if (kvm_arch_para_features() & (1UL << feature))
+ return 1;
+ return 0;
+}
+#endif /* __KERNEL__ */
+#endif /* __LINUX_KVM_PARA_H */
+