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[v2,10/16] dmaengine: idxd: add descs_completed field for completion record

Message ID 20230306163138.587484-11-fenghua.yu@intel.com (mailing list archive)
State Superseded
Headers show
Series Enable DSA 2.0 Event Log and completion record faulting features | expand

Commit Message

Fenghua Yu March 6, 2023, 4:31 p.m. UTC 
From: Dave Jiang <dave.jiang@intel.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@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
---
 include/uapi/linux/idxd.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

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 */