dmaengine: idxd: add descs_completed field for completion record

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>
Link: https://lore.kernel.org/r/20230407203143.2189681-11-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 4b584d5..76ad71b 100644 (file)
--- 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 */