Re: [PATCH v4 06/15] dmaengine: idxd: Add wq private data accessors

From: Dave Jiang
Date: Mon May 08 2023 - 16:44:19 EST




On 5/8/23 1:07 PM, Tom Zanussi wrote:
Add the accessors set_idxd_wq_private() and idxd_wq_private() allowing
users to set and retrieve a private void * associated with an idxd_wq.

The private data is stored in the idxd_dev.conf_dev associated with
each idxd_wq.

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
---
drivers/dma/idxd/idxd.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h
index 193552dea224..71cd4ca7d27a 100644
--- a/drivers/dma/idxd/idxd.h
+++ b/drivers/dma/idxd/idxd.h
@@ -552,6 +552,16 @@ static inline int idxd_wq_refcount(struct idxd_wq *wq)
return wq->client_count;
};
+static inline void set_idxd_wq_private(struct idxd_wq *wq, void *private)

I would go with the same kernel naming convention:

idxd_wq_set_private() and idxd_wq_get_private()?
+{
+ dev_set_drvdata(wq_confdev(wq), private);
+}
+
+static inline void *idxd_wq_private(struct idxd_wq *wq)
+{
+ return dev_get_drvdata(wq_confdev(wq));
+}
+
/*
* Intel IAA does not support batch processing.
* The max batch size of device, max batch size of wq and