In ubuntu 24.04, DSA's workqueue has a new driver_name file in sysfs,
DPDK needs to write a correct value to this file when configuring a device
instance using the dpdk_idxd_cfg.py script, otherwise it will fail to be
configured, this patch fixes the issue.
Signed-off-by: Wenwu Ma <wenwux...@intel.com>
---
v2:
- refine the code
---
drivers/dma/idxd/dpdk_idxd_cfg.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/idxd/dpdk_idxd_cfg.py
b/drivers/dma/idxd/dpdk_idxd_cfg.py
index c0c833ade9..5c9572b49d 100755
--- a/drivers/dma/idxd/dpdk_idxd_cfg.py
+++ b/drivers/dma/idxd/dpdk_idxd_cfg.py
@@ -104,8 +104,10 @@ def configure_dsa(dsa_id, args):
"priority": 1,
"max_batch_size": 1024,
"size": int(max_work_queues_size / nb_queues)}
- wqcfg.update(parse_wq_opts(args.wq_option))
wq_dir = SysfsDir(os.path.join(dsa_dir.path, f"wq{dsa_id}.{q}"))
+ if os.path.exists(os.path.join(wq_dir.path, f"driver_name")):
+ wqcfg.update({"driver_name": "user"})
+ wqcfg.update(parse_wq_opts(args.wq_option))
wq_dir.write_values(wqcfg)
# enable device and then queues
--
2.25.1
