From 92decf118f1da4c866515f80387f9cf4d48611d6 Mon Sep 17 00:00:00 2001
From: Keith Busch <kbusch@kernel.org>
Date: Fri, 3 Apr 2020 10:53:46 -0700
Subject: nvme: define constants for identification values

Improve code readability by defining the specification's constants that
the driver is using when decoding identification payloads.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Bart van Assche <bvanassche@acm.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 include/linux/nvme.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include/linux/nvme.h')

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 2d978d0cbde6..b235a48eac8c 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -301,6 +301,8 @@ struct nvme_id_ctrl {
 };
 
 enum {
+	NVME_CTRL_CMIC_MULTI_CTRL		= 1 << 1,
+	NVME_CTRL_CMIC_ANA			= 1 << 3,
 	NVME_CTRL_ONCS_COMPARE			= 1 << 0,
 	NVME_CTRL_ONCS_WRITE_UNCORRECTABLE	= 1 << 1,
 	NVME_CTRL_ONCS_DSM			= 1 << 2,
@@ -396,8 +398,12 @@ enum {
 
 enum {
 	NVME_NS_FEAT_THIN	= 1 << 0,
+	NVME_NS_FEAT_ATOMICS	= 1 << 1,
+	NVME_NS_FEAT_IO_OPT	= 1 << 4,
+	NVME_NS_ATTR_RO		= 1 << 0,
 	NVME_NS_FLBAS_LBA_MASK	= 0xf,
 	NVME_NS_FLBAS_META_EXT	= 0x10,
+	NVME_NS_NMIC_SHARED	= 1 << 0,
 	NVME_LBAF_RP_BEST	= 0,
 	NVME_LBAF_RP_BETTER	= 1,
 	NVME_LBAF_RP_GOOD	= 2,
-- 
cgit