linux-kernel - [PATCH AUTOSEL 5.7 07/40] dmaengine: idxd: fix hw descriptor fields for delta record

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Date:   Mon, 20 Jul 2020 17:36:42 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Dave Jiang <dave.jiang@...el.com>,
        Mona Hossain <mona.hossain@...el.com>,
        Vinod Koul <vkoul@...nel.org>, Sasha Levin <sashal@...nel.org>,
        dmaengine@...r.kernel.org
Subject: [PATCH AUTOSEL 5.7 07/40] dmaengine: idxd: fix hw descriptor fields for delta record

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

[ Upstream commit 0b8975bdc0cc5310d48d9bdd871cefebe1f94c99 ]

Fix the hw descriptor fields for delta record in user exported idxd.h
header. Missing the "expected result mask" field.

Reported-by: Mona Hossain <mona.hossain@...el.com>
Signed-off-by: Dave Jiang <dave.jiang@...el.com>
Link: https://lore.kernel.org/r/159120526866.65385.536565786678052944.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/uapi/linux/idxd.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 1f412fbf561bb..e103c1434e4b0 100644
--- a/include/uapi/linux/idxd.h
+++ b/include/uapi/linux/idxd.h
@@ -110,9 +110,12 @@ struct dsa_hw_desc {
 	uint16_t	rsvd1;
 	union {
 		uint8_t		expected_res;
+		/* create delta record */
 		struct {
 			uint64_t	delta_addr;
 			uint32_t	max_delta_size;
+			uint32_t 	delt_rsvd;
+			uint8_t 	expected_res_mask;
 		};
 		uint32_t	delta_rec_size;
 		uint64_t	dest2;
-- 
2.25.1