Verify passed PCI devices are visible inside VM

Signed-off-by: Mika Tammi <[email protected]>

Robot-Framework/resources/virtualization_keywords.resource

@@ -0,0 +1,54 @@
+# SPDX-FileCopyrightText: 2023 Technology Innovation Institute (TII)
+# SPDX-License-Identifier: Apache-2.0
+
+*** Settings ***
+Library             SSHLibrary
+Resource            ../config/variables.robot
+Library             BuiltIn
+Library             String
+
+
+*** Keywords ***
+
+Verify microvm PCI device passthrough
+    [Documentation]     Verify that proper PCI devices have been passed through to the VM
+    [Arguments]    ${host_connection}    ${vm_connection}    ${vmname}
+    Switch Connection   ${vm_connection}
+    @{pciids}=    Get list of PCI IDs
+    Switch Connection   ${host_connection}
+    @{pcipassthrus}=    Get microvm PCI passthrough list    vmname=${vmname}
+    FOR    ${pcipass}    IN    @{pcipassthrus}
+        ${pciidpass}=    Get PCI ID from PCI Address    address=${pcipass}
+	Log    Checking if PCI ID has been passed through to VM
+	Should Contain    ${pciids}    ${pciidpass}
+    END
+
+Get list of PCI IDs
+    [Documentation]     Runs lspci and returns VENDORID:DEVICEID pairs
+    ...                 Pre-condition: requires active ssh connection to either
+    ...                                host or one of the VMs, and ability run
+    ...                                lspci in the target.
+    ${cmd}=    Set Variable    lspci -n | cut -d ' ' -f 3
+    ${stdout}    ${stderr}    ${rc}=    Execute Command    ${cmd}    return_stdout=True    return_stderr=True    return_rc=True
+    Should Be Equal As Integers    ${rc}    0
+    @{lines}=    Split To Lines    ${stdout}
+    [return]    @{lines}
+
+Get microvm PCI passthrough list
+    [Documentation]     Returns PCI Addresses, like 0001:01:00.0
+    ...                 Pre-condition: requires active ssh connection to ghaf host
+    [Arguments]    ${vmname}
+    ${cmd}=    Format String    cat /var/lib/microvms/{vmname}/booted/share/microvm/pci-devices    vmname=${vmname}
+    ${stdout}    ${stderr}    ${rc}=    Execute Command    ${cmd}    return_stdout=True    return_stderr=True    return_rc=True
+    Should Be Equal As Integers    ${rc}    0
+    @{lines}=    Split To Lines    ${stdout}
+    [return]    @{lines}
+
+Get PCI ID from PCI Address
+    [Documentation]     Gets VENDORID:DEVICEID pair from sysfs
+    [Arguments]    ${address}
+    ${cmd}=    Set Variable    VENDOR=$(cut -c 3-7 /sys/bus/pci/devices/${address}/vendor) && DEVICE=$(cut -c 3-7 /sys/bus/pci/devices/${address}/device) && echo "$VENDOR:$DEVICE"
+    ${stdout}    ${stderr}    ${rc}=    Execute Command    ${cmd}    return_stdout=True    return_stderr=True    return_rc=True
+    Should Be Equal As Integers    ${rc}    0
+    ${stripped}=    Strip String    ${stdout}
+    [return]    ${stripped}

Robot-Framework/test-suites/bat-tests/netvm.robot

@@ -5,6 +5,7 @@
 Documentation       Testing Network VM
 Force Tags          netvm
 Resource            ../../resources/ssh_keywords.resource
+Resource            ../../resources/virtualization_keywords.resource
 Resource            ../../config/variables.robot
 Suite Teardown      Close All Connections
 
@@ -75,6 +76,14 @@ Verify wpa_supplicant.service is running
     Switch Connection   ${netvm}
     Verify service status   service=wpa_supplicant.service
 
+Verify NetVM PCI device passthrough
+    [Documentation]     Verify that proper PCI devices have been passed through to the NetVM
+    [Tags]              bat   SP-T670  nuc  orin-agx  orin-nx
+    [Setup]             Run Keywords
+    ...                 Connect to ghaf host  AND  Connect to netvm via tunnel
+    Verify microvm PCI device passthrough    host_connection=${ghaf_host}    vm_connection=${netvm}    vmname=${NETVM_NAME}
+    [Teardown]          Run Keywords   Close All Connections
+
 
 *** Keywords ***