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author | Avi Kivity <avi@qumranet.com> | 2007-03-04 13:59:30 +0200 |
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committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 10:52:24 +0300 |
commit | b4e63f560beb187cffdaf706e534a1e2f9effb66 (patch) | |
tree | 1fe1a640530af04d1d722e0c99c8086b0e13f1e7 /include/linux/kvm.h | |
parent | 5d308f4550d9dc4c236e08b0377b610b9578577b (diff) | |
download | lwn-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.h | 10 |
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; }; }; |