Re: [PATCH v4 1/8] nvme: introduce NVMe Namespace Identification Descriptor structures

From: Sagi Grimberg
Date: Sun Jun 04 2017 - 10:59:27 EST




On 04/06/17 13:36, Johannes Thumshirn wrote:
Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Reviewed-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
---
include/linux/nvme.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index b625bacf37ef..afa6ef484e50 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -288,6 +288,7 @@ enum {
NVME_ID_CNS_NS = 0x00,
NVME_ID_CNS_CTRL = 0x01,
NVME_ID_CNS_NS_ACTIVE_LIST = 0x02,
+ NVME_ID_CNS_NS_DESC_LIST = 0x03,
NVME_ID_CNS_NS_PRESENT_LIST = 0x10,
NVME_ID_CNS_NS_PRESENT = 0x11,
NVME_ID_CNS_CTRL_NS_LIST = 0x12,
@@ -314,6 +315,22 @@ enum {
NVME_NS_DPS_PI_TYPE3 = 3,
};
+struct nvme_ns_identifier_hdr {
+ __u8 nidt;
+ __u8 nidl;
+ __le16 reserved;
+};

Nit: _hdr is usually associated with a message or alike.

Maybe nvme_ns_id_desc is more consistent with the spec language.