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| author | Avi Kivity <avi@qumranet.com> | 2007-04-01 16:34:31 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 10:52:28 +0300 |
| commit | b8836737d92c139be770eae3d6574e33d1224caf (patch) | |
| tree | 9c03b429fda12e6fbdc97469eb039076aa397744 /include/linux/kvm.h | |
| parent | e8207547d2f7b2f557bdb73015c1f74c32474438 (diff) | |
| download | linux-b8836737d92c139be770eae3d6574e33d1224caf.tar.gz linux-b8836737d92c139be770eae3d6574e33d1224caf.tar.bz2 linux-b8836737d92c139be770eae3d6574e33d1224caf.zip | |
KVM: Add fpu get/set operations
These are really helpful when migrating an floating point app to another
machine.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/linux/kvm.h')
| -rw-r--r-- | include/linux/kvm.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h index da9b23fa4b6c..07bf353eeb6f 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -126,6 +126,21 @@ struct kvm_regs { __u64 rip, rflags; }; +/* for KVM_GET_FPU and KVM_SET_FPU */ +struct kvm_fpu { + __u8 fpr[8][16]; + __u16 fcw; + __u16 fsw; + __u8 ftwx; /* in fxsave format */ + __u8 pad1; + __u16 last_opcode; + __u64 last_ip; + __u64 last_dp; + __u8 xmm[16][16]; + __u32 mxcsr; + __u32 pad2; +}; + struct kvm_segment { __u64 base; __u32 limit; @@ -285,5 +300,7 @@ struct kvm_signal_mask { #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) +#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) +#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) #endif |