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| author | Avi Kivity <avi@qumranet.com> | 2007-10-25 16:52:32 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 18:01:20 +0200 |
| commit | b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd (patch) | |
| tree | 8de9a2789624d27155d8a94c93a23c01f473fea7 /include/linux/kvm.h | |
| parent | b209749f528488c4c0d20a42c0fbcbf49e6933b3 (diff) | |
| download | kernel-crypto-b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd.tar.gz kernel-crypto-b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd.tar.xz kernel-crypto-b93463aa59d67b21b4921e30bd5c5dcc7c35ffbd.zip | |
KVM: Accelerated apic support
This adds a mechanism for exposing the virtual apic tpr to the guest, and a
protocol for letting the guest update the tpr without causing a vmexit if
conditions allow (e.g. there is no interrupt pending with a higher priority
than the new tpr).
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/linux/kvm.h')
| -rw-r--r-- | include/linux/kvm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 850f5ef7663..b27a381db5e 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -216,6 +216,11 @@ struct kvm_tpr_access_ctl { __u32 reserved[8]; }; +/* for KVM_SET_VAPIC_ADDR */ +struct kvm_vapic_addr { + __u64 vapic_addr; +}; + #define KVMIO 0xAE /* @@ -291,5 +296,7 @@ struct kvm_tpr_access_ctl { #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) /* Available with KVM_CAP_VAPIC */ #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) +/* Available with KVM_CAP_VAPIC */ +#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) #endif |