Re: [PATCH v4 01/15] dmaengine: idxd: add wq driver name support for accel-config user tool

From: Fenghua Yu
Date: Tue May 09 2023 - 13:48:53 EST


Hi, Tom,

On 5/8/23 13:07, Tom Zanussi wrote:
From: Dave Jiang <dave.jiang@xxxxxxxxx>

With the possibility of multiple wq drivers that can be bound to the wq,
the user config tool accel-config needs a way to know which wq driver to
bind to the wq. Introduce per wq driver_name sysfs attribute where the user
can indicate the driver to be bound to the wq. This allows accel-config to
just bind to the driver using wq->driver_name.

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
---
.../ABI/stable/sysfs-driver-dma-idxd | 6 ++++
drivers/dma/idxd/cdev.c | 8 ++++++
drivers/dma/idxd/dma.c | 6 ++++
drivers/dma/idxd/idxd.h | 9 ++++++
drivers/dma/idxd/sysfs.c | 28 +++++++++++++++++++
include/uapi/linux/idxd.h | 1 +
6 files changed, 58 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index 3becc9a82bdf..d5daae442fe7 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -244,6 +244,12 @@ Description: Shows the operation capability bits displayed in bitmap format
correlates to the operations allowed. It's visible only
on platforms that support the capability.
+What: /sys/bus/dsa/devices/wq<m>.<n>/driver_name
+Date: Mar 27, 2023 > +KernelVersion: 6.4.0

Need to be changed to 6.5.0 now:)

After fixing the KernelVersion,

Reviewed-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>

Thanks.

-Fenghua