dts: add PCI device address to parameters

Added allow list to the EAL parameters created in DTS to ensure that
only the relevant PCI devices are considered when launching DPDK
applications.

Signed-off-by: Jeremy Spewock <[email protected]>
Reviewed-by: Juraj Linkeš <[email protected]>
Tested-by: Patrick Robb <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/dts/framework/testbed_model/sut_node.py b/dts/framework/testbed_model/sut_node.py
index 909394e756..97aa26d419 100644
--- a/dts/framework/testbed_model/sut_node.py
+++ b/dts/framework/testbed_model/sut_node.py
@@ -30,6 +30,7 @@ from framework.utils import MesonArgs
 from .cpu import LogicalCoreCount, LogicalCoreList
 from .node import Node
 from .os_session import InteractiveShellType, OSSession
+from .port import Port
 from .virtual_device import VirtualDevice
 
 
@@ -46,6 +47,7 @@ class EalParameters(object):
         prefix: str,
         no_pci: bool,
         vdevs: list[VirtualDevice],
+        ports: list[Port],
         other_eal_param: str,
     ):
         """Initialize the parameters according to inputs.
@@ -63,6 +65,7 @@ class EalParameters(object):
                     VirtualDevice('net_ring0'),
                     VirtualDevice('net_ring1')
                 ]
+            ports: The list of ports to allow.
             other_eal_param: user defined DPDK EAL parameters, e.g.:
                 ``other_eal_param='--single-file-segments'``
         """
@@ -73,6 +76,7 @@ class EalParameters(object):
             self._prefix = f"--file-prefix={prefix}"
         self._no_pci = "--no-pci" if no_pci else ""
         self._vdevs = " ".join(f"--vdev {vdev}" for vdev in vdevs)
+        self._ports = " ".join(f"-a {port.pci}" for port in ports)
         self._other_eal_param = other_eal_param
 
     def __str__(self) -> str:
@@ -83,6 +87,7 @@ class EalParameters(object):
             f"{self._prefix} "
             f"{self._no_pci} "
             f"{self._vdevs} "
+            f"{self._ports} "
             f"{self._other_eal_param}"
         )
 
@@ -347,6 +352,7 @@ class SutNode(Node):
         append_prefix_timestamp: bool = True,
         no_pci: bool = False,
         vdevs: list[VirtualDevice] | None = None,
+        ports: list[Port] | None = None,
         other_eal_param: str = "",
     ) -> "EalParameters":
         """Compose the EAL parameters.
@@ -370,6 +376,8 @@ class SutNode(Node):
                     VirtualDevice('net_ring0'),
                     VirtualDevice('net_ring1')
                 ]
+            ports: The list of ports to allow. If :data:`None`, all ports listed in `self.ports`
+                will be allowed.
             other_eal_param: user defined DPDK EAL parameters, e.g.:
                 ``other_eal_param='--single-file-segments'``.
 
@@ -388,12 +396,16 @@ class SutNode(Node):
         if vdevs is None:
             vdevs = []
 
+        if ports is None:
+            ports = self.ports
+
         return EalParameters(
             lcore_list=lcore_list,
             memory_channels=self.config.memory_channels,
             prefix=prefix,
             no_pci=no_pci,
             vdevs=vdevs,
+            ports=ports,
             other_eal_param=other_eal_param,
         )