linux-kernel - [PATCH v3 06/15] dmaengine: idxd: Add private_data to struct idxd

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Message-Id: <20230428205539.113902-7-tom.zanussi@linux.intel.com>
Date:   Fri, 28 Apr 2023 15:55:30 -0500
From:   Tom Zanussi <tom.zanussi@...ux.intel.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        fenghua.yu@...el.com, vkoul@...nel.org
Cc:     dave.jiang@...el.com, tony.luck@...el.com,
        wajdi.k.feghali@...el.com, james.guilford@...el.com,
        kanchana.p.sridhar@...el.com, giovanni.cabiddu@...el.com,
        hdanton@...a.com, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, dmaengine@...r.kernel.org
Subject: [PATCH v3 06/15] dmaengine: idxd: Add private_data to struct idxd_wq

Add a void * to idxd_wqs for user-defined context data, along with
accessors set_idxd_wq_private() and idxd_wq_private().

Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
---
 drivers/dma/idxd/idxd.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h
index 719f9f1662ad..0402f97d6ff8 100644
--- a/drivers/dma/idxd/idxd.h
+++ b/drivers/dma/idxd/idxd.h
@@ -216,6 +216,8 @@ struct idxd_wq {
 	u32 max_batch_size;
 
 	char driver_name[WQ_NAME_SIZE + 1];
+
+	void *private_data;
 };
 
 struct idxd_engine {
@@ -550,6 +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)
+{
+	wq->private_data = private;
+}
+
+static inline void *idxd_wq_private(struct idxd_wq *wq)
+{
+	return wq->private_data;
+}
+
 /*
  * Intel IAA does not support batch processing.
  * The max batch size of device, max batch size of wq and
-- 
2.34.1