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-rw-r--r--include/linux/nvme.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 51ca4771be2c..706a0fbfe28e 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -102,6 +102,7 @@ enum {
NVME_REG_ACQ = 0x0030, /* Admin CQ Base Address */
NVME_REG_CMBLOC = 0x0038, /* Controller Memory Buffer Location */
NVME_REG_CMBSZ = 0x003c, /* Controller Memory Buffer Size */
+ NVME_REG_DBS = 0x1000, /* SQ 0 Tail Doorbell */
};
#define NVME_CAP_MQES(cap) ((cap) & 0xffff)