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Diffstat (limited to 'Documentation/virt/kvm/api.rst')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index c618fae44ad7..778c6460d1de 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6455,9 +6455,11 @@ The "reason" field specifies why the MSR interception occurred. Userspace will only receive MSR exits when a particular reason was requested during through ENABLE_CAP. Currently valid exit reasons are: - KVM_MSR_EXIT_REASON_UNKNOWN - access to MSR that is unknown to KVM - KVM_MSR_EXIT_REASON_INVAL - access to invalid MSRs or reserved bits - KVM_MSR_EXIT_REASON_FILTER - access blocked by KVM_X86_SET_MSR_FILTER +============================ ======================================== + KVM_MSR_EXIT_REASON_UNKNOWN access to MSR that is unknown to KVM + KVM_MSR_EXIT_REASON_INVAL access to invalid MSRs or reserved bits + KVM_MSR_EXIT_REASON_FILTER access blocked by KVM_X86_SET_MSR_FILTER +============================ ======================================== For KVM_EXIT_X86_RDMSR, the "index" field tells userspace which MSR the guest wants to read. To respond to this request with a successful read, userspace @@ -7256,11 +7258,13 @@ to inform a user that an MSR was not emulated/virtualized by KVM. The valid mask flags are: - KVM_MSR_EXIT_REASON_UNKNOWN - intercept accesses to unknown (to KVM) MSRs - KVM_MSR_EXIT_REASON_INVAL - intercept accesses that are architecturally - invalid according to the vCPU model and/or mode - KVM_MSR_EXIT_REASON_FILTER - intercept accesses that are denied by userspace - via KVM_X86_SET_MSR_FILTER +============================ =============================================== + KVM_MSR_EXIT_REASON_UNKNOWN intercept accesses to unknown (to KVM) MSRs + KVM_MSR_EXIT_REASON_INVAL intercept accesses that are architecturally + invalid according to the vCPU model and/or mode + KVM_MSR_EXIT_REASON_FILTER intercept accesses that are denied by userspace + via KVM_X86_SET_MSR_FILTER +============================ =============================================== 7.22 KVM_CAP_X86_BUS_LOCK_EXIT ------------------------------- |