linux-kernel - [PATCH v2 10/16] dmaengine: idxd: add descs

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Date:   Mon,  6 Mar 2023 08:31:32 -0800
From:   Fenghua Yu <fenghua.yu@...el.com>
To:     "Vinod Koul" <vkoul@...nel.org>,
        "Dave Jiang" <dave.jiang@...el.com>
Cc:     dmaengine@...r.kernel.org,
        "linux-kernel" <linux-kernel@...r.kernel.org>,
        Tony Zhu <tony.zhu@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>
Subject: [PATCH v2 10/16] dmaengine: idxd: add descs_completed field for completion record

From: Dave Jiang <dave.jiang@...el.com>

The descs_completed field for a completion record is part of a batch
descriptor completion record. It takes the same location as bytes_completed
in a normal descriptor field. Add to expose to user.

Tested-by: Tony Zhu <tony.zhu@...el.com>
Signed-off-by: Dave Jiang <dave.jiang@...el.com>
Co-developed-by: Fenghua Yu <fenghua.yu@...el.com>
Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
---
 include/uapi/linux/idxd.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 4b584d5afd87..76ad71bf751e 100644
--- a/include/uapi/linux/idxd.h
+++ b/include/uapi/linux/idxd.h
@@ -314,7 +314,10 @@ struct dsa_completion_record {
 	};
 	uint8_t			fault_info;
 	uint8_t			rsvd;
-	uint32_t		bytes_completed;
+	union {
+		uint32_t		bytes_completed;
+		uint32_t		descs_completed;
+	};
 	uint64_t		fault_addr;
 	union {
 		/* common record */
-- 
2.37.1