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-rw-r--r--resources/libraries/python/QATUtil.py26
1 files changed, 15 insertions, 11 deletions
diff --git a/resources/libraries/python/QATUtil.py b/resources/libraries/python/QATUtil.py
index e709aad6ed..34a8e3b8d9 100644
--- a/resources/libraries/python/QATUtil.py
+++ b/resources/libraries/python/QATUtil.py
@@ -22,7 +22,7 @@ class QATUtil:
"""Contains methods for setting up QATs."""
@staticmethod
- def crypto_device_verify(node, crypto_type, numvfs, force_init=False):
+ def crypto_device_verify(node, crypto_type, numvfs, force_init=True):
"""Verify if Crypto QAT device virtual functions are initialized on all
DUTs. If parameter force initialization is set to True, then try to
initialize or remove VFs on QAT.
@@ -41,16 +41,20 @@ class QATUtil:
to False.
"""
pci_addr = Topology.get_cryptodev(node)
- sriov_numvfs = DUTSetup.get_sriov_numvfs(node, pci_addr)
-
- if sriov_numvfs != numvfs:
- if force_init:
- # QAT is not initialized and we want to initialize with numvfs
- QATUtil.crypto_device_init(node, crypto_type, numvfs)
- else:
- raise RuntimeError(
- f"QAT device failed to create VFs on {node[u'host']}"
- )
+
+ if force_init:
+ # QAT is not initialized and we want to initialize with numvfs.
+ QATUtil.crypto_device_init(node, crypto_type, numvfs)
+ else:
+ raise RuntimeError(
+ f"QAT device failed to create VFs on {node[u'host']}"
+ )
+
+ # QAT VF devices must be re-bound to vfio-pci driver before use.
+ pci_addr = Topology.get_cryptodev(node)
+ for i in range(numvfs):
+ DUTSetup.pci_vf_driver_unbind(node, pci_addr, i)
+ DUTSetup.pci_vf_driver_bind(node, pci_addr, i, "vfio-pci")
@staticmethod
def crypto_device_init(node, crypto_type, numvfs):