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-rw-r--r--Documentation/virtual/kvm/api.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index e63a35fafef0..f670e4b9e7f3 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1124,10 +1124,14 @@ guest physical address space and must not conflict with any memory slot
or any mmio address. The guest may malfunction if it accesses this memory
region.
+Setting the address to 0 will result in resetting the address to its default
+(0xfffbc000).
+
This ioctl is required on Intel-based hosts. This is needed on Intel hardware
because of a quirk in the virtualization implementation (see the internals
documentation when it pops into existence).
+Fails if any VCPU has already been created.
4.41 KVM_SET_BOOT_CPU_ID
@@ -4347,3 +4351,12 @@ This capability indicates that userspace can load HV_X64_MSR_VP_INDEX msr. Its
value is used to denote the target vcpu for a SynIC interrupt. For
compatibilty, KVM initializes this msr to KVM's internal vcpu index. When this
capability is absent, userspace can still query this msr's value.
+
+8.13 KVM_CAP_S390_AIS_MIGRATION
+
+Architectures: s390
+Parameters: none
+
+This capability indicates if the flic device will be able to get/set the
+AIS states for migration via the KVM_DEV_FLIC_AISM_ALL attribute and allows
+to discover this without having to create a flic device.