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authorAvi Kivity <avi@qumranet.com>2007-03-04 13:59:30 +0200
committerAvi Kivity <avi@qumranet.com>2007-05-03 10:52:24 +0300
commitb4e63f560beb187cffdaf706e534a1e2f9effb66 (patch)
tree1fe1a640530af04d1d722e0c99c8086b0e13f1e7 /include/linux/kvm.h
parent5d308f4550d9dc4c236e08b0377b610b9578577b (diff)
downloadlwn-b4e63f560beb187cffdaf706e534a1e2f9effb66.tar.gz
lwn-b4e63f560beb187cffdaf706e534a1e2f9effb66.zip
KVM: Allow userspace to process hypercalls which have no kernel handler
This is useful for paravirtualized graphics devices, for example. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/linux/kvm.h')
-rw-r--r--include/linux/kvm.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c93cf53953af..9151ebfa22e9 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -11,7 +11,7 @@
#include <asm/types.h>
#include <linux/ioctl.h>
-#define KVM_API_VERSION 6
+#define KVM_API_VERSION 7
/*
* Architectural interrupt line count, and the size of the bitmap needed
@@ -41,6 +41,7 @@ enum kvm_exit_reason {
KVM_EXIT_UNKNOWN = 0,
KVM_EXIT_EXCEPTION = 1,
KVM_EXIT_IO = 2,
+ KVM_EXIT_HYPERCALL = 3,
KVM_EXIT_DEBUG = 4,
KVM_EXIT_HLT = 5,
KVM_EXIT_MMIO = 6,
@@ -103,6 +104,13 @@ struct kvm_run {
__u32 len;
__u8 is_write;
} mmio;
+ /* KVM_EXIT_HYPERCALL */
+ struct {
+ __u64 args[6];
+ __u64 ret;
+ __u32 longmode;
+ __u32 pad;
+ } hypercall;
};
};