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# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2024 Arm Limited
"""Module representing the DPDK EAL-related parameters."""
from dataclasses import dataclass, field
from typing import TYPE_CHECKING, Literal
from framework.params import Params, Switch
from framework.testbed_model.cpu import LogicalCoreList
from framework.testbed_model.virtual_device import VirtualDevice
if TYPE_CHECKING:
from framework.testbed_model.port import Port
def _port_to_pci(port: "Port") -> str:
return port.pci
@dataclass(kw_only=True)
class EalParams(Params):
"""The environment abstraction layer parameters.
Attributes:
lcore_list: The list of logical cores to use.
memory_channels: The number of memory channels to use.
prefix: Set the file prefix string with which to start DPDK, e.g.: ``prefix="vf"``.
no_pci: Switch to disable PCI bus, e.g.: ``no_pci=True``.
vdevs: Virtual devices, e.g.::
vdevs = [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'``
"""
lcore_list: LogicalCoreList | None = field(default=None, metadata=Params.short("l"))
memory_channels: int | None = field(default=None, metadata=Params.short("n"))
prefix: str = field(default="dpdk", metadata=Params.long("file-prefix"))
no_pci: Switch = None
vdevs: list[VirtualDevice] | None = field(
default=None, metadata=Params.multiple() | Params.long("vdev")
)
allowed_ports: list["Port"] | None = field(
default=None,
metadata=Params.convert_value(_port_to_pci) | Params.multiple() | Params.short("a"),
)
blocked_ports: list["Port"] | None = field(
default=None,
metadata=Params.convert_value(_port_to_pci) | Params.multiple() | Params.short("b"),
)
other_eal_param: Params | None = None
_separator: Literal[True] = field(default=True, init=False, metadata=Params.short("-"))
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