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Message-Id: <20170601111750.20880-2-jthumshirn@suse.de>
Date: Thu, 1 Jun 2017 13:17:43 +0200
From: Johannes Thumshirn <jthumshirn@...e.de>
To: Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
Keith Busch <keith.busch@...el.com>
Cc: Hannes Reinecke <hare@...e.de>, maxg@...lanox.com,
Linux NVMe Mailinglist <linux-nvme@...ts.infradead.org>,
Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
Johannes Thumshirn <jthumshirn@...e.de>
Subject: [PATCH v2 1/8] nvme: introduce NVMe Namespace Identification Descriptor structures
Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
---
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;
+};
+
+#define NVME_NIDT_EUI64_LEN 8
+#define NVME_NIDT_NGUID_LEN 16
+#define NVME_NIDT_UUID_LEN 16
+
+enum {
+ NVME_NIDT_EUI64 = 0x01,
+ NVME_NIDT_NGUID = 0x02,
+ NVME_NIDT_UUID = 0x03,
+};
+
struct nvme_smart_log {
__u8 critical_warning;
__u8 temperature[2];
@@ -658,6 +675,8 @@ struct nvme_identify {
__u32 rsvd11[5];
};
+#define NVME_IDENTIFY_DATA_SIZE 4096
+
struct nvme_features {
__u8 opcode;
__u8 flags;
--
2.12.0
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