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authorChristoph Hellwig <hch@lst.de>2018-05-13 19:53:57 +0300
committerChristoph Hellwig <hch@lst.de>2018-07-27 20:11:52 +0300
commit1a37621658fe06b10cf8bac02c32304d2a1c888c (patch)
tree06689a98e5dd94341ffb758d01cf2acf19b38789 /include/linux/nvme.h
parent9b89bc3857a6c0dfda18ddae2a42c114ecc32753 (diff)
downloadlinux-1a37621658fe06b10cf8bac02c32304d2a1c888c.tar.xz
nvme.h: add ANA definitions
Add various defintions from NVMe 1.3 TP 4004. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Diffstat (limited to 'include/linux/nvme.h')
-rw-r--r--include/linux/nvme.h50
1 files 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,
};