Make nova recognize amx-capabilities

Expands the CPU_TRAITS_MAPPING table to let nova report if a compute-node
supports AMX. This enables nova to pick the correct cpu_model when a
SapphireRapids (or newer) cpu is wanted by the flavor.

Implements: blueprint add-amx-traits
Change-Id: Ieaa2e1be9d3d3ae945ce28d778edc9729d2db9ba
Signed-off-by: Eigil Obrestad <eigil-git@obrestad.org>
Depends-On: https://review.opendev.org/c/openstack/requirements/+/976640

nova/virt/libvirt/utils.py

@@ -62,6 +62,9 @@ CPU_TRAITS_MAPPING = {
     '3dnow': os_traits.HW_CPU_X86_3DNOW,
     'abm': os_traits.HW_CPU_X86_ABM,
     'aes': os_traits.HW_CPU_X86_AESNI,
+    'amx-bf16': os_traits.HW_CPU_X86_AMXBF16,
+    'amx-int8': os_traits.HW_CPU_X86_AMXINT8,
+    'amx-tile': os_traits.HW_CPU_X86_AMXTILE,
     'avx': os_traits.HW_CPU_X86_AVX,
     'avx2': os_traits.HW_CPU_X86_AVX2,
     'avx512bw': os_traits.HW_CPU_X86_AVX512BW,

requirements.txt

@@ -50,7 +50,7 @@ psutil>=3.2.2 # BSD
 oslo.versionedobjects>=1.35.0 # Apache-2.0
 os-brick>=6.10.0 # Apache-2.0
 os-resource-classes>=1.1.0 # Apache-2.0
-os-traits>=3.5.0 # Apache-2.0
+os-traits>=3.6.0 # Apache-2.0
 os-vif>=3.1.0 # Apache-2.0
 castellan>=0.16.0 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0