[PATCH 5.7 106/179] dmaengine: idxd: fix hw descriptor fields for delta record

From: Greg Kroah-Hartman
Date: Mon Jul 27 2020 - 10:23:14 EST


From: Dave Jiang <dave.jiang@xxxxxxxxx>

[ 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@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Link: https://lore.kernel.org/r/159120526866.65385.536565786678052944.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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