From c982132144fcc22cc562833d72b14c5c31b5fbf8 Mon Sep 17 00:00:00 2001 From: Bruce Richardson Date: Tue, 4 May 2021 14:14:52 +0100 Subject: [PATCH] raw/ioat: make workqueue name configurable in script Add a "--name-prefix" parameter to the quick configuration script for DSA. This allows the queues configured on a DSA instance to be made available to only one DPDK process in a setup with multiple DPDK process instances. Signed-off-by: Bruce Richardson --- drivers/raw/ioat/dpdk_idxd_cfg.py | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/raw/ioat/dpdk_idxd_cfg.py b/drivers/raw/ioat/dpdk_idxd_cfg.py index 56e44063e4..ff06d9e240 100755 --- a/drivers/raw/ioat/dpdk_idxd_cfg.py +++ b/drivers/raw/ioat/dpdk_idxd_cfg.py @@ -29,7 +29,7 @@ class SysfsDir: f.write(str(contents)) -def configure_dsa(dsa_id, queues): +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") @@ -54,7 +54,7 @@ def configure_dsa(dsa_id, queues): wq_dir.write_values({"group_id": q % nb_groups, "type": "user", "mode": "dedicated", - "name": f"dpdk_wq{dsa_id}.{q}", + "name": f"{prefix}_wq{dsa_id}.{q}", "priority": 1, "size": int(max_tokens / nb_queues)}) @@ -71,8 +71,11 @@ def main(args): 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) + configure_dsa(parsed_args.dsa_id, parsed_args.q, parsed_args.prefix) if __name__ == "__main__": -- 2.20.1