net/mlx5: allow meta modifications in legacy mode

[dpdk.git] / drivers / raw / ioat / dpdk_idxd_cfg.py

diff --git a/drivers/raw/ioat/dpdk_idxd_cfg.py b/drivers/raw/ioat/dpdk_idxd_cfg.py
deleted file mode 100755 (executable)
index ff06d9e2401716b590e6d79592fa76820dd167d9..0000000000000000000000000000000000000000
--- a/drivers/raw/ioat/dpdk_idxd_cfg.py
+++ /dev/null
@@ -1,82 +0,0 @@
-#!/usr/bin/env python3
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2020 Intel Corporation
-
-"""
-Configure an entire Intel DSA instance, using idxd kernel driver, for DPDK use
-"""
-
-import sys
-import argparse
-import os
-import os.path
-
-
-class SysfsDir:
-    "Used to read/write paths in a sysfs directory"
-    def __init__(self, path):
-        self.path = path
-
-    def read_int(self, filename):
-        "Return a value from sysfs file"
-        with open(os.path.join(self.path, filename)) as f:
-            return int(f.readline())
-
-    def write_values(self, values):
-        "write dictionary, where key is filename and value is value to write"
-        for filename, contents in values.items():
-            with open(os.path.join(self.path, filename), "w") as f:
-                f.write(str(contents))
-
-
-def configure_dsa(dsa_id, queues, prefix):
-    "Configure the DSA instance with appropriate number of queues"
-    dsa_dir = SysfsDir(f"/sys/bus/dsa/devices/dsa{dsa_id}")
-    drv_dir = SysfsDir("/sys/bus/dsa/drivers/dsa")
-
-    max_groups = dsa_dir.read_int("max_groups")
-    max_engines = dsa_dir.read_int("max_engines")
-    max_queues = dsa_dir.read_int("max_work_queues")
-    max_tokens = dsa_dir.read_int("max_tokens")
-
-    nb_queues = min(queues, max_queues)
-    if queues > nb_queues:
-        print(f"Setting number of queues to max supported value: {max_queues}")
-
-    # we want one engine per group, and no more engines than queues
-    nb_groups = min(max_engines, max_groups, nb_queues)
-    for grp in range(nb_groups):
-        dsa_dir.write_values({f"engine{dsa_id}.{grp}/group_id": grp})
-
-    # configure each queue
-    for q in range(nb_queues):
-        wq_dir = SysfsDir(os.path.join(dsa_dir.path, f"wq{dsa_id}.{q}"))
-        wq_dir.write_values({"group_id": q % nb_groups,
-                             "type": "user",
-                             "mode": "dedicated",
-                             "name": f"{prefix}_wq{dsa_id}.{q}",
-                             "priority": 1,
-                             "size": int(max_tokens / nb_queues)})
-
-    # enable device and then queues
-    drv_dir.write_values({"bind": f"dsa{dsa_id}"})
-    for q in range(nb_queues):
-        drv_dir.write_values({"bind": f"wq{dsa_id}.{q}"})
-
-
-def main(args):
-    "Main function, does arg parsing and calls config function"
-    arg_p = argparse.ArgumentParser(
-        description="Configure whole DSA device instance for DPDK use")
-    arg_p.add_argument('dsa_id', type=int, help="DSA instance number")
-    arg_p.add_argument('-q', metavar='queues', type=int, default=255,
-                       help="Number of queues to set up")
-    arg_p.add_argument('--name-prefix', metavar='prefix', dest='prefix',
-                       default="dpdk",
-                       help="Prefix for workqueue name to mark for DPDK use [default: 'dpdk']")
-    parsed_args = arg_p.parse_args(args[1:])
-    configure_dsa(parsed_args.dsa_id, parsed_args.q, parsed_args.prefix)
-
-
-if __name__ == "__main__":
-    main(sys.argv)

diff --git a/drivers/raw/ioat/dpdk_idxd_cfg.py b/drivers/raw/ioat/dpdk_idxd_cfg.py
new file mode 120000 (symlink)
index 0000000000000000000000000000000000000000..85545548d1f533b349e39b99e648de05f23ba4bc
--- /dev/null
+++ b/drivers/raw/ioat/dpdk_idxd_cfg.py
@@ -0,0 +1 @@
+../../dma/idxd/dpdk_idxd_cfg.py
\ No newline at end of file