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KVM: x86: API changes for SMM support

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This patch includes changes to the external API for SMM support.
Userspace can predicate the availability of the new fields and
ioctls on a new capability, KVM_CAP_X86_SMM, which is added at the end
of the patch series.

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-04-01 15:06:40 +02:00
commit f077825a87
7 changed files with 99 additions and 10 deletions
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5
include/uapi/linux/kvm.h
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@ -202,7 +202,7 @@ struct kvm_run {
__u32 exit_reason;
__u8 ready_for_interrupt_injection;
__u8 if_flag;
__u8 padding2[2];
__u16 flags;
/* in (pre_kvm_run), out (post_kvm_run) */
__u64 cr8;
@ -815,6 +815,7 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_S390_IRQ_STATE 114
#define KVM_CAP_PPC_HWRNG 115
#define KVM_CAP_DISABLE_QUIRKS 116
#define KVM_CAP_X86_SMM 117
#ifdef KVM_CAP_IRQ_ROUTING
@ -1200,6 +1201,8 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_S390_IRQ_STATE */
#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
/* Available with KVM_CAP_X86_SMM */
#define KVM_SMI _IO(KVMIO, 0xb7)
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)