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-rw-r--r--include/scsi/scsi_tcq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index d6e7994..81dd12e 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -9,6 +9,7 @@
#define MSG_SIMPLE_TAG 0x20
#define MSG_HEAD_TAG 0x21
#define MSG_ORDERED_TAG 0x22
+#define MSG_ACA_TAG 0x24 /* unsupported */
#define SCSI_NO_TAG (-1) /* identify no tag in use */