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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 2/9] nvme.h: add ANA definitions
Date: Thu, 26 Jul 2018 17:34:58 +0200	[thread overview]
Message-ID: <20180726153505.4153-3-hch@lst.de> (raw)
In-Reply-To: <20180726153505.4153-1-hch@lst.de>

Add various defintions from NVMe 1.3 TP 4004.

Signed-off-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Sagi Grimberg <sagi at grimberg.me>
Reviewed-by: Hannes Reinecke <hare at suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
---
 include/linux/nvme.h | 50 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 47 insertions(+), 3 deletions(-)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 39f05b0b8c7f..64c9175723de 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -242,7 +242,12 @@ struct nvme_id_ctrl {
 	__le32			sanicap;
 	__le32			hmminds;
 	__le16			hmmaxd;
-	__u8			rsvd338[174];
+	__u8			rsvd338[4];
+	__u8			anatt;
+	__u8			anacap;
+	__le32			anagrpmax;
+	__le32			nanagrpid;
+	__u8			rsvd352[160];
 	__u8			sqes;
 	__u8			cqes;
 	__le16			maxcmd;
@@ -258,7 +263,8 @@ struct nvme_id_ctrl {
 	__le16			acwu;
 	__u8			rsvd534[2];
 	__le32			sgls;
-	__u8			rsvd540[228];
+	__le32			mnan;
+	__u8			rsvd544[224];
 	char			subnqn[256];
 	__u8			rsvd1024[768];
 	__le32			ioccsz;
@@ -312,7 +318,9 @@ struct nvme_id_ns {
 	__le16			nabspf;
 	__le16			noiob;
 	__u8			nvmcap[16];
-	__u8			rsvd64[40];
+	__u8			rsvd64[28];
+	__le32			anagrpid;
+	__u8			rsvd96[8];
 	__u8			nguid[16];
 	__u8			eui64[8];
 	struct nvme_lbaf	lbaf[16];
@@ -425,6 +433,32 @@ struct nvme_effects_log {
 	__u8   resv[2048];
 };
 
+enum nvme_ana_state {
+	NVME_ANA_OPTIMIZED		= 0x01,
+	NVME_ANA_NONOPTIMIZED		= 0x02,
+	NVME_ANA_INACCESSIBLE		= 0x03,
+	NVME_ANA_PERSISTENT_LOSS	= 0x04,
+	NVME_ANA_CHANGE			= 0x0f,
+};
+
+struct nvme_ana_group_desc {
+	__le32	grpid;
+	__le32	nnsids;
+	__le64	chgcnt;
+	__u8	state;
+	__u8	rsvd17[7];
+	__le32	nsids[];
+};
+
+/* flag for the log specific field of the ANA log */
+#define NVME_ANA_LOG_RGO	(1 << 0)
+
+struct nvme_ana_rsp_hdr {
+	__le64	chgcnt;
+	__le16	ngrps;
+	__le16	rsvd10[3];
+};
+
 enum {
 	NVME_SMART_CRIT_SPARE		= 1 << 0,
 	NVME_SMART_CRIT_TEMPERATURE	= 1 << 1,
@@ -444,11 +478,13 @@ enum {
 enum {
 	NVME_AER_NOTICE_NS_CHANGED	= 0x00,
 	NVME_AER_NOTICE_FW_ACT_STARTING = 0x01,
+	NVME_AER_NOTICE_ANA		= 0x03,
 };
 
 enum {
 	NVME_AEN_CFG_NS_ATTR		= 1 << 8,
 	NVME_AEN_CFG_FW_ACT		= 1 << 9,
+	NVME_AEN_CFG_ANA_CHANGE		= 1 << 11,
 };
 
 struct nvme_lba_range_type {
@@ -763,6 +799,7 @@ enum {
 	NVME_LOG_FW_SLOT	= 0x03,
 	NVME_LOG_CHANGED_NS	= 0x04,
 	NVME_LOG_CMD_EFFECTS	= 0x05,
+	NVME_LOG_ANA		= 0x0c,
 	NVME_LOG_DISC		= 0x70,
 	NVME_LOG_RESERVATION	= 0x80,
 	NVME_FWACT_REPL		= (0 << 3),
@@ -1185,6 +1222,13 @@ enum {
 	NVME_SC_ACCESS_DENIED		= 0x286,
 	NVME_SC_UNWRITTEN_BLOCK		= 0x287,
 
+	/*
+	 * Path-related Errors:
+	 */
+	NVME_SC_ANA_PERSISTENT_LOSS	= 0x301,
+	NVME_SC_ANA_INACCESSIBLE	= 0x302,
+	NVME_SC_ANA_TRANSITION		= 0x303,
+
 	NVME_SC_DNR			= 0x4000,
 };
 
-- 
2.18.0

  parent reply	other threads:[~2018-07-26 15:34 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-26 15:34 draft ANA support v6 Christoph Hellwig
2018-07-26 15:34 ` [PATCH 1/9] nvme.h: add support for the log specific field Christoph Hellwig
2018-07-26 15:34 ` Christoph Hellwig [this message]
2018-07-26 15:34 ` [PATCH 3/9] nvme: simplify the API for getting log pages Christoph Hellwig
2018-07-26 15:35 ` [PATCH 4/9] nvme: remove nvme_req_needs_failover Christoph Hellwig
2018-07-26 15:35 ` [PATCH 5/9] nvme: add ANA support Christoph Hellwig
2018-07-26 17:20   ` Mike Snitzer
2018-07-27 13:20     ` Hannes Reinecke
2018-07-27 13:38       ` Mike Snitzer
2018-07-26 15:35 ` [PATCH 6/9] nvmet: keep a port pointer in nvmet_ctrl Christoph Hellwig
2018-07-26 15:35 ` [PATCH 7/9] nvmet: track and limit the number of namespaces per subsystem Christoph Hellwig
2018-07-26 15:35 ` [PATCH 8/9] nvmet: add minimal ANA support Christoph Hellwig
2018-07-26 15:35 ` [PATCH 9/9] nvmet: support configuring ANA groups Christoph Hellwig
2018-07-27  6:06 ` draft ANA support v6 Hannes Reinecke
2018-07-27  7:37   ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2018-07-24 11:50 draft ANA support v5 Christoph Hellwig
2018-07-24 11:50 ` [PATCH 2/9] nvme.h: add ANA definitions Christoph Hellwig
2018-07-25  0:24   ` Chaitanya Kulkarni
2018-07-25  4:58     ` Christoph Hellwig
2018-06-01  7:11 draft ANA support v2 Christoph Hellwig
2018-06-01  7:11 ` [PATCH 2/9] nvme.h: add ANA definitions Christoph Hellwig
2018-06-03 12:27   ` Sagi Grimberg
2018-06-04  6:30   ` Hannes Reinecke
2018-06-04 11:58   ` Johannes Thumshirn

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