diff --git a/doc/source/user/support-matrix.ini b/doc/source/user/support-matrix.ini
index cac43125c2e5..103fb2f0647b 100644
--- a/doc/source/user/support-matrix.ini
+++ b/doc/source/user/support-matrix.ini
@@ -130,7 +130,7 @@ notes=The attach volume operation provides a means to hotplug
 cli=nova volume-attach <server> <volume>
 driver.xenserver=complete
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=complete
 driver.libvirt-kvm-s390x=complete
 driver.libvirt-qemu-x86=complete
@@ -154,7 +154,7 @@ notes=Attach a block device with a tag to an existing server instance. See
 cli=nova volume-attach <server> <volume> [--tag <tag>]
 driver.xenserver=missing
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=complete
 driver.libvirt-kvm-s390x=complete
 driver.libvirt-qemu-x86=complete
@@ -175,7 +175,7 @@ notes=See notes for attach volume operation.
 cli=nova volume-detach <server> <volume>
 driver.xenserver=complete
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=complete
 driver.libvirt-kvm-s390x=complete
 driver.libvirt-qemu-x86=complete
@@ -205,7 +205,7 @@ notes=The extend volume operation provides a means to extend
 cli=cinder extend <volume> <new_size>
 driver.xenserver=missing
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=unknown
 driver.libvirt-kvm-s390x=unknown
 driver.libvirt-qemu-x86=complete
@@ -940,7 +940,7 @@ notes=The ability to set rate limits on virtual disks allows for
 cli=nova limits
 driver.xenserver=missing
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=complete
 driver.libvirt-kvm-s390x=complete
 driver.libvirt-qemu-x86=complete
@@ -1367,7 +1367,7 @@ notes=This allows users to set tags on virtual devices when creating a
 cli=nova boot
 driver.xenserver=complete
 driver.libvirt-kvm-x86=complete
-driver.libvirt-kvm-aarch64=unknown
+driver.libvirt-kvm-aarch64=complete
 driver.libvirt-kvm-ppc64=complete
 driver.libvirt-kvm-s390x=complete
 driver.libvirt-qemu-x86=complete