/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for the NVM Express interface * Copyright (c) 2011-2014, Intel Corporation. */ #ifndef _LINUX_NVME_H #define _LINUX_NVME_H #include #include #include /* NQN names in commands fields specified one size */ #define NVMF_NQN_FIELD_LEN 256 /* However the max length of a qualified name is another size */ #define NVMF_NQN_SIZE 223 #define NVMF_TRSVCID_SIZE 32 #define NVMF_TRADDR_SIZE 256 #define NVMF_TSAS_SIZE 256 #define NVME_DISC_SUBSYS_NAME "nqn.2014-08.org.nvmexpress.discovery" #define NVME_NSID_ALL 0xffffffff /* Special NSSR value, 'NVMe' */ #define NVME_SUBSYS_RESET 0x4E564D65 enum nvme_subsys_type { /* Referral to another discovery type target subsystem */ NVME_NQN_DISC = 1, /* NVME type target subsystem */ NVME_NQN_NVME = 2, /* Current discovery type target subsystem */ NVME_NQN_CURR = 3, }; enum nvme_ctrl_type { NVME_CTRL_IO = 1, /* I/O controller */ NVME_CTRL_DISC = 2, /* Discovery controller */ NVME_CTRL_ADMIN = 3, /* Administrative controller */ }; enum nvme_dctype { NVME_DCTYPE_NOT_REPORTED = 0, NVME_DCTYPE_DDC = 1, /* Direct Discovery Controller */ NVME_DCTYPE_CDC = 2, /* Central Discovery Controller */ }; /* Address Family codes for Discovery Log Page entry ADRFAM field */ enum { NVMF_ADDR_FAMILY_PCI = 0, /* PCIe */ NVMF_ADDR_FAMILY_IP4 = 1, /* IP4 */ NVMF_ADDR_FAMILY_IP6 = 2, /* IP6 */ NVMF_ADDR_FAMILY_IB = 3, /* InfiniBand */ NVMF_ADDR_FAMILY_FC = 4, /* Fibre Channel */ NVMF_ADDR_FAMILY_LOOP = 254, /* Reserved for host usage */ NVMF_ADDR_FAMILY_MAX, }; /* Transport Type codes for Discovery Log Page entry TRTYPE field */ enum { NVMF_TRTYPE_RDMA = 1, /* RDMA */ NVMF_TRTYPE_FC = 2, /* Fibre Channel */ NVMF_TRTYPE_TCP = 3, /* TCP/IP */ NVMF_TRTYPE_LOOP = 254, /* Reserved for host usage */ NVMF_TRTYPE_MAX, }; /* Transport Requirements codes for Discovery Log Page entry TREQ field */ enum { NVMF_TREQ_NOT_SPECIFIED = 0, /* Not specified */ NVMF_TREQ_REQUIRED = 1, /* Required */ NVMF_TREQ_NOT_REQUIRED = 2, /* Not Required */ #define NVME_TREQ_SECURE_CHANNEL_MASK \ (NVMF_TREQ_REQUIRED | NVMF_TREQ_NOT_REQUIRED) NVMF_TREQ_DISABLE_SQFLOW = (1 << 2), /* Supports SQ flow control disable */ }; /* RDMA QP Service Type codes for Discovery Log Page entry TSAS * RDMA_QPTYPE field */ enum { NVMF_RDMA_QPTYPE_CONNECTED = 1, /* Reliable Connected */ NVMF_RDMA_QPTYPE_DATAGRAM = 2, /* Reliable Datagram */ NVMF_RDMA_QPTYPE_INVALID = 0xff, }; /* RDMA Provider Type codes for Discovery Log Page entry TSAS * RDMA_PRTYPE field */ enum { NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 1, /* No Provider Specified */ NVMF_RDMA_PRTYPE_IB = 2, /* InfiniBand */ NVMF_RDMA_PRTYPE_ROCE = 3, /* InfiniBand RoCE */ NVMF_RDMA_PRTYPE_ROCEV2 = 4, /* InfiniBand RoCEV2 */ NVMF_RDMA_PRTYPE_IWARP = 5, /* IWARP */ }; /* RDMA Connection Management Service Type codes for Discovery Log Page * entry TSAS RDMA_CMS field */ enum { NVMF_RDMA_CMS_RDMA_CM = 1, /* Sockets based endpoint addressing */ }; /* TSAS SECTYPE for TCP transport */ enum { NVMF_TCP_SECTYPE_NONE = 0, /* No Security */ NVMF_TCP_SECTYPE_TLS12 = 1, /* TLSv1.2, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */ NVMF_TCP_SECTYPE_TLS13 = 2, /* TLSv1.3, NVMe-oF 1.1 and NVMe-TCP 3.6.1.1 */ NVMF_TCP_SECTYPE_INVALID = 0xff, }; #define NVME_AQ_DEPTH 32 #define NVME_NR_AEN_COMMANDS 1 #define NVME_AQ_BLK_MQ_DEPTH (NVME_AQ_DEPTH - NVME_NR_AEN_COMMANDS) /* * Subtract one to leave an empty queue entry for 'Full Queue' condition. See * NVM-Express 1.2 specification, section 4.1.2. */ #define NVME_AQ_MQ_TAG_DEPTH (NVME_AQ_BLK_MQ_DEPTH - 1) enum { NVME_REG_CAP = 0x0000, /* Controller Capabilities */ NVME_REG_VS = 0x0008, /* Version */ NVME_REG_INTMS = 0x000c, /* Interrupt Mask Set */ NVME_REG_INTMC = 0x0010, /* Interrupt Mask Clear */ NVME_REG_CC = 0x0014, /* Controller Configuration */ NVME_REG_CSTS = 0x001c, /* Controller Status */ NVME_REG_NSSR = 0x0020, /* NVM Subsystem Reset */ NVME_REG_AQA = 0x0024, /* Admin Queue Attributes */ NVME_REG_ASQ = 0x0028, /* Admin SQ Base Address */ NVME_REG_ACQ = 0x0030, /* Admin CQ Base Address */ NVME_REG_CMBLOC = 0x0038, /* Controller Memory Buffer Location */ NVME_REG_CMBSZ = 0x003c, /* Controller Memory Buffer Size */ NVME_REG_BPINFO = 0x0040, /* Boot Partition Information */ NVME_REG_BPRSEL = 0x0044, /* Boot Partition Read Select */ NVME_REG_BPMBL = 0x0048, /* Boot Partition Memory Buffer * Location */ NVME_REG_CMBMSC = 0x0050, /* Controller Memory Buffer Memory * Space Control */ NVME_REG_CRTO = 0x0068, /* Controller Ready Timeouts */ NVME_REG_PMRCAP = 0x0e00, /* Persistent Memory Capabilities */ NVME_REG_PMRCTL = 0x0e04, /* Persistent Memory Region Control */ NVME_REG_PMRSTS = 0x0e08, /* Persistent Memory Region Status */ NVME_REG_PMREBS = 0x0e0c, /* Persistent Memory Region Elasticity * Buffer Size */ NVME_REG_PMRSWTP = 0x0e10, /* Persistent Memory Region Sustained * Write Throughput */ NVME_REG_DBS = 0x1000, /* SQ 0 Tail Doorbell */ }; #define NVME_CAP_MQES(cap) ((cap) & 0xffff) #define NVME_CAP_TIMEOUT(cap) (((cap) >> 24) & 0xff) #define NVME_CAP_STRIDE(cap) (((cap) >> 32) & 0xf) #define NVME_CAP_NSSRC(cap) (((cap) >> 36) & 0x1) #define NVME_CAP_CSS(cap) (((cap) >> 37) & 0xff) #define NVME_CAP_MPSMIN(cap) (((cap) >> 48) & 0xf) #define NVME_CAP_MPSMAX(cap) (((cap) >> 52) & 0xf) #define NVME_CAP_CMBS(cap) (((cap) >> 57) & 0x1) #define NVME_CMB_BIR(cmbloc) ((cmbloc) & 0x7) #define NVME_CMB_OFST(cmbloc) (((cmbloc) >> 12) & 0xfffff) #define NVME_CRTO_CRIMT(crto) ((crto) >> 16) #define NVME_CRTO_CRWMT(crto) ((crto) & 0xffff) enum { NVME_CMBSZ_SQS = 1 << 0, NVME_CMBSZ_CQS = 1 << 1, NVME_CMBSZ_LISTS = 1 << 2, NVME_CMBSZ_RDS = 1 << 3, NVME_CMBSZ_WDS = 1 << 4, NVME_CMBSZ_SZ_SHIFT = 12, NVME_CMBSZ_SZ_MASK = 0xfffff, NVME_CMBSZ_SZU_SHIFT = 8, NVME_CMBSZ_SZU_MASK = 0xf, }; /* * Submission and Completion Queue Entry Sizes for the NVM command set. * (In bytes and specified as a power of two (2^n)). */ #define NVME_ADM_SQES 6 #define NVME_NVM_IOSQES 6 #define NVME_NVM_IOCQES 4 enum { NVME_CC_ENABLE = 1 << 0, NVME_CC_EN_SHIFT = 0, NVME_CC_CSS_SHIFT = 4, NVME_CC_MPS_SHIFT = 7, NVME_CC_AMS_SHIFT = 11, NVME_CC_SHN_SHIFT = 14, NVME_CC_IOSQES_SHIFT = 16, NVME_CC_IOCQES_SHIFT = 20, NVME_CC_CSS_NVM = 0 << NVME_CC_CSS_SHIFT, NVME_CC_CSS_CSI = 6 << NVME_CC_CSS_SHIFT, NVME_CC_CSS_MASK = 7 << NVME_CC_CSS_SHIFT, NVME_CC_AMS_RR = 0 << NVME_CC_AMS_SHIFT, NVME_CC_AMS_WRRU = 1 << NVME_CC_AMS_SHIFT, NVME_CC_AMS_VS = 7 << NVME_CC_AMS_SHIFT, NVME_CC_SHN_NONE = 0 << NVME_CC_SHN_SHIFT, NVME_CC_SHN_NORMAL = 1 << NVME_CC_SHN_SHIFT, NVME_CC_SHN_ABRUPT = 2 << NVME_CC_SHN_SHIFT, NVME_CC_SHN_MASK = 3 << NVME_CC_SHN_SHIFT, NVME_CC_IOSQES = NVME_NVM_IOSQES << NVME_CC_IOSQES_SHIFT, NVME_CC_IOCQES = NVME_NVM_IOCQES << NVME_CC_IOCQES_SHIFT, NVME_CC_CRIME = 1 << 24, }; enum { NVME_CSTS_RDY = 1 << 0, NVME_CSTS_CFS = 1 << 1, NVME_CSTS_NSSRO = 1 << 4, NVME_CSTS_PP = 1 << 5, NVME_CSTS_SHST_NORMAL = 0 << 2, NVME_CSTS_SHST_OCCUR = 1 << 2, NVME_CSTS_SHST_CMPLT = 2 << 2, NVME_CSTS_SHST_MASK = 3 << 2, }; enum { NVME_CMBMSC_CRE = 1 << 0, NVME_CMBMSC_CMSE = 1 << 1, }; enum { NVME_CAP_CSS_NVM = 1 << 0, NVME_CAP_CSS_CSI = 1 << 6, }; enum { NVME_CAP_CRMS_CRWMS = 1ULL << 59, NVME_CAP_CRMS_CRIMS = 1ULL << 60, }; struct nvme_id_power_state { __le16 max_power; /* centiwatts */ __u8 rsvd2; __u8 flags; __le32 entry_lat; /* microseconds */ __le32 exit_lat; /* microseconds */ __u8 read_tput; __u8 read_lat; __u8 write_tput; __u8 write_lat; __le16 idle_power; __u8 idle_scale; __u8 rsvd19; __le16 active_power; __u8 active_work_scale; __u8 rsvd23[9]; }; enum { NVME_PS_FLAGS_MAX_POWER_SCALE = 1 << 0, NVME_PS_FLAGS_NON_OP_STATE = 1 << 1, }; enum nvme_ctrl_attr { NVME_CTRL_ATTR_HID_128_BIT = (1 << 0), NVME_CTRL_ATTR_TBKAS = (1 << 6), NVME_CTRL_ATTR_ELBAS = (1 << 15), }; struct nvme_id_ctrl { __le16 vid; __le16 ssvid; char sn[20]; char mn[40]; char fr[8]; __u8 rab; __u8 ieee[3]; __u8 cmic; __u8 mdts; __le16 cntlid; __le32 ver; __le32 rtd3r; __le32 rtd3e; __le32 oaes; __le32 ctratt; __u8 rsvd100[11]; __u8 cntrltype; __u8 fguid[16]; __le16 crdt1; __le16 crdt2; __le16 crdt3; __u8 rsvd134[122]; __le16 oacs; __u8 acl; __u8 aerl; __u8 frmw; __u8 lpa; __u8 elpe; __u8 npss; __u8 avscc; __u8 apsta; __le16 wctemp; __le16 cctemp; __le16 mtfa; __le32 hmpre; __le32 hmmin; __u8 tnvmcap[16]; __u8 unvmcap[16]; __le32 rpmbs; __le16 edstt; __u8 dsto; __u8 fwug; __le16 kas; __le16 hctma; __le16 mntmt; __le16 mxtmt; __le32 sanicap; __le32 hmminds; __le16 hmmaxd; __le16 nvmsetidmax; __le16 endgidmax; __u8 anatt; __u8 anacap; __le32 anagrpmax; __le32 nanagrpid; __u8 rsvd352[160]; __u8 sqes; __u8 cqes; __le16 maxcmd; __le32 nn; __le16 oncs; __le16 fuses; __u8 fna; __u8 vwc; __le16 awun; __le16 awupf; __u8 nvscc; __u8 nwpc; __le16 acwu; __u8 rsvd534[2]; __le32 sgls; __le32 mnan; __u8 rsvd544[224]; char subnqn[256]; __u8 rsvd1024[768]; __le32 ioccsz; __le32 iorcsz; __le16 icdoff; __u8 ctrattr; __u8 msdbd; __u8 rsvd1804[2]; __u8 dctype; __u8 rsvd1807[241]; struct nvme_id_power_state psd[32]; __u8 vs[1024]; }; enum { NVME_CTRL_CMIC_MULTI_PORT = 1 << 0, 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, NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3, NVME_CTRL_ONCS_RESERVATIONS = 1 << 5, NVME_CTRL_ONCS_TIMESTAMP = 1 << 6, NVME_CTRL_VWC_PRESENT = 1 << 0, NVME_CTRL_OACS_SEC_SUPP = 1 << 0, NVME_CTRL_OACS_NS_MNGT_SUPP = 1 << 3, NVME_CTRL_OACS_DIRECTIVES = 1 << 5, NVME_CTRL_OACS_DBBUF_SUPP = 1 << 8, NVME_CTRL_LPA_CMD_EFFECTS_LOG = 1 << 1, NVME_CTRL_CTRATT_128_ID = 1 << 0, NVME_CTRL_CTRATT_NON_OP_PSP = 1 << 1, NVME_CTRL_CTRATT_NVM_SETS = 1 << 2, NVME_CTRL_CTRATT_READ_RECV_LVLS = 1 << 3, NVME_CTRL_CTRATT_ENDURANCE_GROUPS = 1 << 4, NVME_CTRL_CTRATT_PREDICTABLE_LAT = 1 << 5, NVME_CTRL_CTRATT_NAMESPACE_GRANULARITY = 1 << 7, NVME_CTRL_CTRATT_UUID_LIST = 1 << 9, NVME_CTRL_SGLS_BYTE_ALIGNED = 1, NVME_CTRL_SGLS_DWORD_ALIGNED = 2, NVME_CTRL_SGLS_KSDBDS = 1 << 2, NVME_CTRL_SGLS_MSDS = 1 << 19, NVME_CTRL_SGLS_SAOS = 1 << 20, }; struct nvme_lbaf { __le16 ms; __u8 ds; __u8 rp; }; struct nvme_id_ns { __le64 nsze; __le64 ncap; __le64 nuse; __u8 nsfeat; __u8 nlbaf; __u8 flbas; __u8 mc; __u8 dpc; __u8 dps; __u8 nmic; __u8 rescap; __u8 fpi; __u8 dlfeat; __le16 nawun; __le16 nawupf; __le16 nacwu; __le16 nabsn; __le16 nabo; __le16 nabspf; __le16 noiob; __u8 nvmcap[16]; __le16 npwg; __le16 npwa; __le16 npdg; __le16 npda; __le16 nows; __u8 rsvd74[18]; __le32 anagrpid; __u8 rsvd96[3]; __u8 nsattr; __le16 nvmsetid; __le16 endgid; __u8 nguid[16]; __u8 eui64[8]; struct nvme_lbaf lbaf[64]; __u8 vs[3712]; }; /* I/O Command Set Independent Identify Namespace Data Structure */ struct nvme_id_ns_cs_indep { __u8 nsfeat; __u8 nmic; __u8 rescap; __u8 fpi; __le32 anagrpid; __u8 nsattr; __u8 rsvd9; __le16 nvmsetid; __le16 endgid; __u8 nstat; __u8 rsvd15[4081]; }; struct nvme_zns_lbafe { __le64 zsze; __u8 zdes; __u8 rsvd9[7]; }; struct nvme_id_ns_zns { __le16 zoc; __le16 ozcs; __le32 mar; __le32 mor; __le32 rrl; __le32 frl; __u8 rsvd20[2796]; struct nvme_zns_lbafe lbafe[64]; __u8 vs[256]; }; struct nvme_id_ctrl_zns { __u8 zasl; __u8 rsvd1[4095]; }; struct nvme_id_ns_nvm { __le64 lbstm; __u8 pic; __u8 rsvd9[3]; __le32 elbaf[64]; __u8 rsvd268[3828]; }; enum { NVME_ID_NS_NVM_STS_MASK = 0x7f, NVME_ID_NS_NVM_GUARD_SHIFT = 7, NVME_ID_NS_NVM_GUARD_MASK = 0x3, NVME_ID_NS_NVM_QPIF_SHIFT = 9, NVME_ID_NS_NVM_QPIF_MASK = 0xf, NVME_ID_NS_NVM_QPIFS = 1 << 3, }; static inline __u8 nvme_elbaf_sts(__u32 elbaf) { return elbaf & NVME_ID_NS_NVM_STS_MASK; } static inline __u8 nvme_elbaf_guard_type(__u32 elbaf) { return (elbaf >> NVME_ID_NS_NVM_GUARD_SHIFT) & NVME_ID_NS_NVM_GUARD_MASK; } static inline __u8 nvme_elbaf_qualified_guard_type(__u32 elbaf) { return (elbaf >> NVME_ID_NS_NVM_QPIF_SHIFT) & NVME_ID_NS_NVM_QPIF_MASK; } struct nvme_id_ctrl_nvm { __u8 vsl; __u8 wzsl; __u8 wusl; __u8 dmrl; __le32 dmrsl; __le64 dmsl; __u8 rsvd16[4080]; }; 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_CS_NS = 0x05, NVME_ID_CNS_CS_CTRL = 0x06, NVME_ID_CNS_NS_ACTIVE_LIST_CS = 0x07, NVME_ID_CNS_NS_CS_INDEP = 0x08, NVME_ID_CNS_NS_PRESENT_LIST = 0x10, NVME_ID_CNS_NS_PRESENT = 0x11, NVME_ID_CNS_CTRL_NS_LIST = 0x12, NVME_ID_CNS_CTRL_LIST = 0x13, NVME_ID_CNS_SCNDRY_CTRL_LIST = 0x15, NVME_ID_CNS_NS_GRANULARITY = 0x16, NVME_ID_CNS_UUID_LIST = 0x17, NVME_ID_CNS_ENDGRP_LIST = 0x19, }; enum { NVME_CSI_NVM = 0, NVME_CSI_ZNS = 2, }; enum { NVME_DIR_IDENTIFY = 0x00, NVME_DIR_STREAMS = 0x01, NVME_DIR_SND_ID_OP_ENABLE = 0x01, NVME_DIR_SND_ST_OP_REL_ID = 0x01, NVME_DIR_SND_ST_OP_REL_RSC = 0x02, NVME_DIR_RCV_ID_OP_PARAM = 0x01, NVME_DIR_RCV_ST_OP_PARAM = 0x01, NVME_DIR_RCV_ST_OP_STATUS = 0x02, NVME_DIR_RCV_ST_OP_RESOURCE = 0x03, NVME_DIR_ENDIR = 0x01, }; 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_LBA_UMASK = 0x60, NVME_NS_FLBAS_LBA_SHIFT = 1, NVME_NS_FLBAS_META_EXT = 0x10, NVME_NS_NMIC_SHARED = 1 << 0, NVME_NS_ROTATIONAL = 1 << 4, NVME_NS_VWC_NOT_PRESENT = 1 << 5, NVME_LBAF_RP_BEST = 0, NVME_LBAF_RP_BETTER = 1, NVME_LBAF_RP_GOOD = 2, NVME_LBAF_RP_DEGRADED = 3, NVME_NS_DPC_PI_LAST = 1 << 4, NVME_NS_DPC_PI_FIRST = 1 << 3, NVME_NS_DPC_PI_TYPE3 = 1 << 2, NVME_NS_DPC_PI_TYPE2 = 1 << 1, NVME_NS_DPC_PI_TYPE1 = 1 << 0, NVME_NS_DPS_PI_FIRST = 1 << 3, NVME_NS_DPS_PI_MASK = 0x7, NVME_NS_DPS_PI_TYPE1 = 1, NVME_NS_DPS_PI_TYPE2 = 2, NVME_NS_DPS_PI_TYPE3 = 3, }; enum { NVME_NSTAT_NRDY = 1 << 0, }; enum { NVME_NVM_NS_16B_GUARD = 0, NVME_NVM_NS_32B_GUARD = 1, NVME_NVM_NS_64B_GUARD = 2, NVME_NVM_NS_QTYPE_GUARD = 3, }; static inline __u8 nvme_lbaf_index(__u8 flbas) { return (flbas & NVME_NS_FLBAS_LBA_MASK) | ((flbas & NVME_NS_FLBAS_LBA_UMASK) >> NVME_NS_FLBAS_LBA_SHIFT); } /* Identify Namespace Metadata Capabilities (MC): */ enum { NVME_MC_EXTENDED_LBA = (1 << 0), NVME_MC_METADATA_PTR = (1 << 1), }; struct nvme_ns_id_desc { __u8 nidt; __u8 nidl; __le16 reserved; }; #define NVME_NIDT_EUI64_LEN 8 #define NVME_NIDT_NGUID_LEN 16 #define NVME_NIDT_UUID_LEN 16 #define NVME_NIDT_CSI_LEN 1 enum { NVME_NIDT_EUI64 = 0x01, NVME_NIDT_NGUID = 0x02, NVME_NIDT_UUID = 0x03, NVME_NIDT_CSI = 0x04, }; struct nvme_endurance_group_log { __u8 egcw; __u8 egfeat; __u8 rsvd2; __u8 avsp; __u8 avspt; __u8 pused; __le16 did; __u8 rsvd8[24]; __u8 ee[16]; __u8 dur[16]; __u8 duw[16]; __u8 muw[16]; __u8 hrc[16]; __u8 hwc[16]; __u8 mdie[16]; __u8 neile[16]; __u8 tegcap[16]; __u8 uegcap[16]; __u8 rsvd192[320]; }; struct nvme_rotational_media_log { __le16 endgid; __le16 numa; __le16 nrs; __u8 rsvd6[2]; __le32 spinc; __le32 fspinc; __le32 ldc; __le32 fldc; __u8 rsvd24[488]; }; struct nvme_smart_log { __u8 critical_warning; __u8 temperature[2]; __u8 avail_spare; __u8 spare_thresh; __u8 percent_used; __u8 endu_grp_crit_warn_sumry; __u8 rsvd7[25]; __u8 data_units_read[16]; __u8 data_units_written[16]; __u8 host_reads[16]; __u8 host_writes[16]; __u8 ctrl_busy_time[16]; __u8 power_cycles[16]; __u8 power_on_hours[16]; __u8 unsafe_shutdowns[16]; __u8 media_errors[16]; __u8 num_err_log_entries[16]; __le32 warning_temp_time; __le32 critical_comp_time; __le16 temp_sensor[8]; __le32 thm_temp1_trans_count; __le32 thm_temp2_trans_count; __le32 thm_temp1_total_time; __le32 thm_temp2_total_time; __u8 rsvd232[280]; }; struct nvme_fw_slot_info_log { __u8 afi; __u8 rsvd1[7]; __le64 frs[7]; __u8 rsvd64[448]; }; enum { NVME_CMD_EFFECTS_CSUPP = 1 << 0, NVME_CMD_EFFECTS_LBCC = 1 << 1, NVME_CMD_EFFECTS_NCC = 1 << 2, NVME_CMD_EFFECTS_NIC = 1 << 3, NVME_CMD_EFFECTS_CCC = 1 << 4, NVME_CMD_EFFECTS_CSER_MASK = GENMASK(15, 14), NVME_CMD_EFFECTS_CSE_MASK = GENMASK(18, 16), NVME_CMD_EFFECTS_UUID_SEL = 1 << 19, NVME_CMD_EFFECTS_SCOPE_MASK = GENMASK(31, 20), }; struct nvme_effects_log { __le32 acs[256]; __le32 iocs[256]; __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[15]; __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]; }; struct nvme_zone_descriptor { __u8 zt; __u8 zs; __u8 za; __u8 rsvd3[5]; __le64 zcap; __le64 zslba; __le64 wp; __u8 rsvd32[32]; }; enum { NVME_ZONE_TYPE_SEQWRITE_REQ = 0x2, }; struct nvme_zone_report { __le64 nr_zones; __u8 resv8[56]; struct nvme_zone_descriptor entries[]; }; enum { NVME_SMART_CRIT_SPARE = 1 << 0, NVME_SMART_CRIT_TEMPERATURE = 1 << 1, NVME_SMART_CRIT_RELIABILITY = 1 << 2, NVME_SMART_CRIT_MEDIA = 1 << 3, NVME_SMART_CRIT_VOLATILE_MEMORY = 1 << 4, }; enum { NVME_AER_ERROR = 0, NVME_AER_SMART = 1, NVME_AER_NOTICE = 2, NVME_AER_CSS = 6, NVME_AER_VS = 7, }; enum { NVME_AER_ERROR_PERSIST_INT_ERR = 0x03, }; enum { NVME_AER_NOTICE_NS_CHANGED = 0x00, NVME_AER_NOTICE_FW_ACT_STARTING = 0x01, NVME_AER_NOTICE_ANA = 0x03, NVME_AER_NOTICE_DISC_CHANGED = 0xf0, }; enum { NVME_AEN_BIT_NS_ATTR = 8, NVME_AEN_BIT_FW_ACT = 9, NVME_AEN_BIT_ANA_CHANGE = 11, NVME_AEN_BIT_DISC_CHANGE = 31, }; enum { NVME_AEN_CFG_NS_ATTR = 1 << NVME_AEN_BIT_NS_ATTR, NVME_AEN_CFG_FW_ACT = 1 << NVME_AEN_BIT_FW_ACT, NVME_AEN_CFG_ANA_CHANGE = 1 << NVME_AEN_BIT_ANA_CHANGE, NVME_AEN_CFG_DISC_CHANGE = 1 << NVME_AEN_BIT_DISC_CHANGE, }; struct nvme_lba_range_type { __u8 type; __u8 attributes; __u8 rsvd2[14]; __le64 slba; __le64 nlb; __u8 guid[16]; __u8 rsvd48[16]; }; enum { NVME_LBART_TYPE_FS = 0x01, NVME_LBART_TYPE_RAID = 0x02, NVME_LBART_TYPE_CACHE = 0x03, NVME_LBART_TYPE_SWAP = 0x04, NVME_LBART_ATTRIB_TEMP = 1 << 0, NVME_LBART_ATTRIB_HIDE = 1 << 1, }; enum nvme_pr_type { NVME_PR_WRITE_EXCLUSIVE = 1, NVME_PR_EXCLUSIVE_ACCESS = 2, NVME_PR_WRITE_EXCLUSIVE_REG_ONLY = 3, NVME_PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, NVME_PR_WRITE_EXCLUSIVE_ALL_REGS = 5, NVME_PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, }; enum nvme_eds { NVME_EXTENDED_DATA_STRUCT = 0x1, }; struct nvme_registered_ctrl { __le16 cntlid; __u8 rcsts; __u8 rsvd3[5]; __le64 hostid; __le64 rkey; }; struct nvme_reservation_status { __le32 gen; __u8 rtype; __u8 regctl[2]; __u8 resv5[2]; __u8 ptpls; __u8 resv10[14]; struct nvme_registered_ctrl regctl_ds[]; }; struct nvme_registered_ctrl_ext { __le16 cntlid; __u8 rcsts; __u8 rsvd3[5]; __le64 rkey; __u8 hostid[16]; __u8 rsvd32[32]; }; struct nvme_reservation_status_ext { __le32 gen; __u8 rtype; __u8 regctl[2]; __u8 resv5[2]; __u8 ptpls; __u8 resv10[14]; __u8 rsvd24[40]; struct nvme_registered_ctrl_ext regctl_eds[]; }; /* I/O commands */ enum nvme_opcode { nvme_cmd_flush = 0x00, nvme_cmd_write = 0x01, nvme_cmd_read = 0x02, nvme_cmd_write_uncor = 0x04, nvme_cmd_compare = 0x05, nvme_cmd_write_zeroes = 0x08, nvme_cmd_dsm = 0x09, nvme_cmd_verify = 0x0c, nvme_cmd_resv_register = 0x0d, nvme_cmd_resv_report = 0x0e, nvme_cmd_resv_acquire = 0x11, nvme_cmd_resv_release = 0x15, nvme_cmd_zone_mgmt_send = 0x79, nvme_cmd_zone_mgmt_recv = 0x7a, nvme_cmd_zone_append = 0x7d, nvme_cmd_vendor_start = 0x80, }; #define nvme_opcode_name(opcode) { opcode, #opcode } #define show_nvm_opcode_name(val) \ __print_symbolic(val, \ nvme_opcode_name(nvme_cmd_flush), \ nvme_opcode_name(nvme_cmd_write), \ nvme_opcode_name(nvme_cmd_read), \ nvme_opcode_name(nvme_cmd_write_uncor), \ nvme_opcode_name(nvme_cmd_compare), \ nvme_opcode_name(nvme_cmd_write_zeroes), \ nvme_opcode_name(nvme_cmd_dsm), \ nvme_opcode_name(nvme_cmd_verify), \ nvme_opcode_name(nvme_cmd_resv_register), \ nvme_opcode_name(nvme_cmd_resv_report), \ nvme_opcode_name(nvme_cmd_resv_acquire), \ nvme_opcode_name(nvme_cmd_resv_release), \ nvme_opcode_name(nvme_cmd_zone_mgmt_send), \ nvme_opcode_name(nvme_cmd_zone_mgmt_recv), \ nvme_opcode_name(nvme_cmd_zone_append)) /* * Descriptor subtype - lower 4 bits of nvme_(keyed_)sgl_desc identifier * * @NVME_SGL_FMT_ADDRESS: absolute address of the data block * @NVME_SGL_FMT_OFFSET: relative offset of the in-capsule data block * @NVME_SGL_FMT_TRANSPORT_A: transport defined format, value 0xA * @NVME_SGL_FMT_INVALIDATE: RDMA transport specific remote invalidation * request subtype */ enum { NVME_SGL_FMT_ADDRESS = 0x00, NVME_SGL_FMT_OFFSET = 0x01, NVME_SGL_FMT_TRANSPORT_A = 0x0A, NVME_SGL_FMT_INVALIDATE = 0x0f, }; /* * Descriptor type - upper 4 bits of nvme_(keyed_)sgl_desc identifier * * For struct nvme_sgl_desc: * @NVME_SGL_FMT_DATA_DESC: data block descriptor * @NVME_SGL_FMT_SEG_DESC: sgl segment descriptor * @NVME_SGL_FMT_LAST_SEG_DESC: last sgl segment descriptor * * For struct nvme_keyed_sgl_desc: * @NVME_KEY_SGL_FMT_DATA_DESC: keyed data block descriptor * * Transport-specific SGL types: * @NVME_TRANSPORT_SGL_DATA_DESC: Transport SGL data dlock descriptor */ enum { NVME_SGL_FMT_DATA_DESC = 0x00, NVME_SGL_FMT_SEG_DESC = 0x02, NVME_SGL_FMT_LAST_SEG_DESC = 0x03, NVME_KEY_SGL_FMT_DATA_DESC = 0x04, NVME_TRANSPORT_SGL_DATA_DESC = 0x05, }; struct nvme_sgl_desc { __le64 addr; __le32 length; __u8 rsvd[3]; __u8 type; }; struct nvme_keyed_sgl_desc { __le64 addr; __u8 length[3]; __u8 key[4]; __u8 type; }; union nvme_data_ptr { struct { __le64 prp1; __le64 prp2; }; struct nvme_sgl_desc sgl; struct nvme_keyed_sgl_desc ksgl; }; /* * Lowest two bits of our flags field (FUSE field in the spec): * * @NVME_CMD_FUSE_FIRST: Fused Operation, first command * @NVME_CMD_FUSE_SECOND: Fused Operation, second command * * Highest two bits in our flags field (PSDT field in the spec): * * @NVME_CMD_PSDT_SGL_METABUF: Use SGLS for this transfer, * If used, MPTR contains addr of single physical buffer (byte aligned). * @NVME_CMD_PSDT_SGL_METASEG: Use SGLS for this transfer, * If used, MPTR contains an address of an SGL segment containing * exactly 1 SGL descriptor (qword aligned). */ enum { NVME_CMD_FUSE_FIRST = (1 << 0), NVME_CMD_FUSE_SECOND = (1 << 1), NVME_CMD_SGL_METABUF = (1 << 6), NVME_CMD_SGL_METASEG = (1 << 7), NVME_CMD_SGL_ALL = NVME_CMD_SGL_METABUF | NVME_CMD_SGL_METASEG, }; struct nvme_common_command { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __le32 cdw2[2]; __le64 metadata; union nvme_data_ptr dptr; struct_group(cdws, __le32 cdw10; __le32 cdw11; __le32 cdw12; __le32 cdw13; __le32 cdw14; __le32 cdw15; ); }; struct nvme_rw_command { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __le32 cdw2; __le32 cdw3; __le64 metadata; union nvme_data_ptr dptr; __le64 slba; __le16 length; __le16 control; __le32 dsmgmt; __le32 reftag; __le16 lbat; __le16 lbatm; }; enum { NVME_RW_LR = 1 << 15, NVME_RW_FUA = 1 << 14, NVME_RW_APPEND_PIREMAP = 1 << 9, NVME_RW_DSM_FREQ_UNSPEC = 0, NVME_RW_DSM_FREQ_TYPICAL = 1, NVME_RW_DSM_FREQ_RARE = 2, NVME_RW_DSM_FREQ_READS = 3, NVME_RW_DSM_FREQ_WRITES = 4, NVME_RW_DSM_FREQ_RW = 5, NVME_RW_DSM_FREQ_ONCE = 6, NVME_RW_DSM_FREQ_PREFETCH = 7, NVME_RW_DSM_FREQ_TEMP = 8, NVME_RW_DSM_LATENCY_NONE = 0 << 4, NVME_RW_DSM_LATENCY_IDLE = 1 << 4, NVME_RW_DSM_LATENCY_NORM = 2 << 4, NVME_RW_DSM_LATENCY_LOW = 3 << 4, NVME_RW_DSM_SEQ_REQ = 1 << 6, NVME_RW_DSM_COMPRESSED = 1 << 7, NVME_RW_PRINFO_PRCHK_REF = 1 << 10, NVME_RW_PRINFO_PRCHK_APP = 1 << 11, NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12, NVME_RW_PRINFO_PRACT = 1 << 13, NVME_RW_DTYPE_STREAMS = 1 << 4, NVME_WZ_DEAC = 1 << 9, }; struct nvme_dsm_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[2]; union nvme_data_ptr dptr; __le32 nr; __le32 attributes; __u32 rsvd12[4]; }; enum { NVME_DSMGMT_IDR = 1 << 0, NVME_DSMGMT_IDW = 1 << 1, NVME_DSMGMT_AD = 1 << 2, }; #define NVME_DSM_MAX_RANGES 256 struct nvme_dsm_range { __le32 cattr; __le32 nlb; __le64 slba; }; struct nvme_write_zeroes_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2; __le64 metadata; union nvme_data_ptr dptr; __le64 slba; __le16 length; __le16 control; __le32 dsmgmt; __le32 reftag; __le16 lbat; __le16 lbatm; }; enum nvme_zone_mgmt_action { NVME_ZONE_CLOSE = 0x1, NVME_ZONE_FINISH = 0x2, NVME_ZONE_OPEN = 0x3, NVME_ZONE_RESET = 0x4, NVME_ZONE_OFFLINE = 0x5, NVME_ZONE_SET_DESC_EXT = 0x10, }; struct nvme_zone_mgmt_send_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __le32 cdw2[2]; __le64 metadata; union nvme_data_ptr dptr; __le64 slba; __le32 cdw12; __u8 zsa; __u8 select_all; __u8 rsvd13[2]; __le32 cdw14[2]; }; struct nvme_zone_mgmt_recv_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __le64 rsvd2[2]; union nvme_data_ptr dptr; __le64 slba; __le32 numd; __u8 zra; __u8 zrasf; __u8 pr; __u8 rsvd13; __le32 cdw14[2]; }; enum { NVME_ZRA_ZONE_REPORT = 0, NVME_ZRASF_ZONE_REPORT_ALL = 0, NVME_ZRASF_ZONE_STATE_EMPTY = 0x01, NVME_ZRASF_ZONE_STATE_IMP_OPEN = 0x02, NVME_ZRASF_ZONE_STATE_EXP_OPEN = 0x03, NVME_ZRASF_ZONE_STATE_CLOSED = 0x04, NVME_ZRASF_ZONE_STATE_READONLY = 0x05, NVME_ZRASF_ZONE_STATE_FULL = 0x06, NVME_ZRASF_ZONE_STATE_OFFLINE = 0x07, NVME_REPORT_ZONE_PARTIAL = 1, }; /* Features */ enum { NVME_TEMP_THRESH_MASK = 0xffff, NVME_TEMP_THRESH_SELECT_SHIFT = 16, NVME_TEMP_THRESH_TYPE_UNDER = 0x100000, }; struct nvme_feat_auto_pst { __le64 entries[32]; }; enum { NVME_HOST_MEM_ENABLE = (1 << 0), NVME_HOST_MEM_RETURN = (1 << 1), }; struct nvme_feat_host_behavior { __u8 acre; __u8 etdas; __u8 lbafee; __u8 resv1[509]; }; enum { NVME_ENABLE_ACRE = 1, NVME_ENABLE_LBAFEE = 1, }; /* Admin commands */ enum nvme_admin_opcode { nvme_admin_delete_sq = 0x00, nvme_admin_create_sq = 0x01, nvme_admin_get_log_page = 0x02, nvme_admin_delete_cq = 0x04, nvme_admin_create_cq = 0x05, nvme_admin_identify = 0x06, nvme_admin_abort_cmd = 0x08, nvme_admin_set_features = 0x09, nvme_admin_get_features = 0x0a, nvme_admin_async_event = 0x0c, nvme_admin_ns_mgmt = 0x0d, nvme_admin_activate_fw = 0x10, nvme_admin_download_fw = 0x11, nvme_admin_dev_self_test = 0x14, nvme_admin_ns_attach = 0x15, nvme_admin_keep_alive = 0x18, nvme_admin_directive_send = 0x19, nvme_admin_directive_recv = 0x1a, nvme_admin_virtual_mgmt = 0x1c, nvme_admin_nvme_mi_send = 0x1d, nvme_admin_nvme_mi_recv = 0x1e, nvme_admin_dbbuf = 0x7C, nvme_admin_format_nvm = 0x80, nvme_admin_security_send = 0x81, nvme_admin_security_recv = 0x82, nvme_admin_sanitize_nvm = 0x84, nvme_admin_get_lba_status = 0x86, nvme_admin_vendor_start = 0xC0, }; #define nvme_admin_opcode_name(opcode) { opcode, #opcode } #define show_admin_opcode_name(val) \ __print_symbolic(val, \ nvme_admin_opcode_name(nvme_admin_delete_sq), \ nvme_admin_opcode_name(nvme_admin_create_sq), \ nvme_admin_opcode_name(nvme_admin_get_log_page), \ nvme_admin_opcode_name(nvme_admin_delete_cq), \ nvme_admin_opcode_name(nvme_admin_create_cq), \ nvme_admin_opcode_name(nvme_admin_identify), \ nvme_admin_opcode_name(nvme_admin_abort_cmd), \ nvme_admin_opcode_name(nvme_admin_set_features), \ nvme_admin_opcode_name(nvme_admin_get_features), \ nvme_admin_opcode_name(nvme_admin_async_event), \ nvme_admin_opcode_name(nvme_admin_ns_mgmt), \ nvme_admin_opcode_name(nvme_admin_activate_fw), \ nvme_admin_opcode_name(nvme_admin_download_fw), \ nvme_admin_opcode_name(nvme_admin_dev_self_test), \ nvme_admin_opcode_name(nvme_admin_ns_attach), \ nvme_admin_opcode_name(nvme_admin_keep_alive), \ nvme_admin_opcode_name(nvme_admin_directive_send), \ nvme_admin_opcode_name(nvme_admin_directive_recv), \ nvme_admin_opcode_name(nvme_admin_virtual_mgmt), \ nvme_admin_opcode_name(nvme_admin_nvme_mi_send), \ nvme_admin_opcode_name(nvme_admin_nvme_mi_recv), \ nvme_admin_opcode_name(nvme_admin_dbbuf), \ nvme_admin_opcode_name(nvme_admin_format_nvm), \ nvme_admin_opcode_name(nvme_admin_security_send), \ nvme_admin_opcode_name(nvme_admin_security_recv), \ nvme_admin_opcode_name(nvme_admin_sanitize_nvm), \ nvme_admin_opcode_name(nvme_admin_get_lba_status)) enum { NVME_QUEUE_PHYS_CONTIG = (1 << 0), NVME_CQ_IRQ_ENABLED = (1 << 1), NVME_SQ_PRIO_URGENT = (0 << 1), NVME_SQ_PRIO_HIGH = (1 << 1), NVME_SQ_PRIO_MEDIUM = (2 << 1), NVME_SQ_PRIO_LOW = (3 << 1), NVME_FEAT_ARBITRATION = 0x01, NVME_FEAT_POWER_MGMT = 0x02, NVME_FEAT_LBA_RANGE = 0x03, NVME_FEAT_TEMP_THRESH = 0x04, NVME_FEAT_ERR_RECOVERY = 0x05, NVME_FEAT_VOLATILE_WC = 0x06, NVME_FEAT_NUM_QUEUES = 0x07, NVME_FEAT_IRQ_COALESCE = 0x08, NVME_FEAT_IRQ_CONFIG = 0x09, NVME_FEAT_WRITE_ATOMIC = 0x0a, NVME_FEAT_ASYNC_EVENT = 0x0b, NVME_FEAT_AUTO_PST = 0x0c, NVME_FEAT_HOST_MEM_BUF = 0x0d, NVME_FEAT_TIMESTAMP = 0x0e, NVME_FEAT_KATO = 0x0f, NVME_FEAT_HCTM = 0x10, NVME_FEAT_NOPSC = 0x11, NVME_FEAT_RRL = 0x12, NVME_FEAT_PLM_CONFIG = 0x13, NVME_FEAT_PLM_WINDOW = 0x14, NVME_FEAT_HOST_BEHAVIOR = 0x16, NVME_FEAT_SANITIZE = 0x17, NVME_FEAT_SW_PROGRESS = 0x80, NVME_FEAT_HOST_ID = 0x81, NVME_FEAT_RESV_MASK = 0x82, NVME_FEAT_RESV_PERSIST = 0x83, NVME_FEAT_WRITE_PROTECT = 0x84, NVME_FEAT_VENDOR_START = 0xC0, NVME_FEAT_VENDOR_END = 0xFF, NVME_LOG_SUPPORTED = 0x00, NVME_LOG_ERROR = 0x01, NVME_LOG_SMART = 0x02, NVME_LOG_FW_SLOT = 0x03, NVME_LOG_CHANGED_NS = 0x04, NVME_LOG_CMD_EFFECTS = 0x05, NVME_LOG_DEVICE_SELF_TEST = 0x06, NVME_LOG_TELEMETRY_HOST = 0x07, NVME_LOG_TELEMETRY_CTRL = 0x08, NVME_LOG_ENDURANCE_GROUP = 0x09, NVME_LOG_ANA = 0x0c, NVME_LOG_FEATURES = 0x12, NVME_LOG_RMI = 0x16, NVME_LOG_DISC = 0x70, NVME_LOG_RESERVATION = 0x80, NVME_FWACT_REPL = (0 << 3), NVME_FWACT_REPL_ACTV = (1 << 3), NVME_FWACT_ACTV = (2 << 3), }; struct nvme_supported_log { __le32 lids[256]; }; enum { NVME_LIDS_LSUPP = 1 << 0, }; struct nvme_supported_features_log { __le32 fis[256]; }; enum { NVME_FIS_FSUPP = 1 << 0, NVME_FIS_NSCPE = 1 << 20, NVME_FIS_CSCPE = 1 << 21, }; /* NVMe Namespace Write Protect State */ enum { NVME_NS_NO_WRITE_PROTECT = 0, NVME_NS_WRITE_PROTECT, NVME_NS_WRITE_PROTECT_POWER_CYCLE, NVME_NS_WRITE_PROTECT_PERMANENT, }; #define NVME_MAX_CHANGED_NAMESPACES 1024 struct nvme_identify { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[2]; union nvme_data_ptr dptr; __u8 cns; __u8 rsvd3; __le16 ctrlid; __le16 cnssid; __u8 rsvd11; __u8 csi; __u32 rsvd12[4]; }; #define NVME_IDENTIFY_DATA_SIZE 4096 struct nvme_features { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[2]; union nvme_data_ptr dptr; __le32 fid; __le32 dword11; __le32 dword12; __le32 dword13; __le32 dword14; __le32 dword15; }; struct nvme_host_mem_buf_desc { __le64 addr; __le32 size; __u32 rsvd; }; struct nvme_create_cq { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[5]; __le64 prp1; __u64 rsvd8; __le16 cqid; __le16 qsize; __le16 cq_flags; __le16 irq_vector; __u32 rsvd12[4]; }; struct nvme_create_sq { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[5]; __le64 prp1; __u64 rsvd8; __le16 sqid; __le16 qsize; __le16 sq_flags; __le16 cqid; __u32 rsvd12[4]; }; struct nvme_delete_queue { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[9]; __le16 qid; __u16 rsvd10; __u32 rsvd11[5]; }; struct nvme_abort_cmd { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[9]; __le16 sqid; __u16 cid; __u32 rsvd11[5]; }; struct nvme_download_firmware { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[5]; union nvme_data_ptr dptr; __le32 numd; __le32 offset; __u32 rsvd12[4]; }; struct nvme_format_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[4]; __le32 cdw10; __u32 rsvd11[5]; }; struct nvme_get_log_page_command { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[2]; union nvme_data_ptr dptr; __u8 lid; __u8 lsp; /* upper 4 bits reserved */ __le16 numdl; __le16 numdu; __le16 lsi; union { struct { __le32 lpol; __le32 lpou; }; __le64 lpo; }; __u8 rsvd14[3]; __u8 csi; __u32 rsvd15; }; struct nvme_directive_cmd { __u8 opcode; __u8 flags; __u16 command_id; __le32 nsid; __u64 rsvd2[2]; union nvme_data_ptr dptr; __le32 numd; __u8 doper; __u8 dtype; __le16 dspec; __u8 endir; __u8 tdtype; __u16 rsvd15; __u32 rsvd16[3]; }; /* * Fabrics subcommands. */ enum nvmf_fabrics_opcode { nvme_fabrics_command = 0x7f, }; enum nvmf_capsule_command { nvme_fabrics_type_property_set = 0x00, nvme_fabrics_type_connect = 0x01, nvme_fabrics_type_property_get = 0x04, nvme_fabrics_type_auth_send = 0x05, nvme_fabrics_type_auth_receive = 0x06, }; #define nvme_fabrics_type_name(type) { type, #type } #define show_fabrics_type_name(type) \ __print_symbolic(type, \ nvme_fabrics_type_name(nvme_fabrics_type_property_set), \ nvme_fabrics_type_name(nvme_fabrics_type_connect), \ nvme_fabrics_type_name(nvme_fabrics_type_property_get), \ nvme_fabrics_type_name(nvme_fabrics_type_auth_send), \ nvme_fabrics_type_name(nvme_fabrics_type_auth_receive)) /* * If not fabrics command, fctype will be ignored. */ #define show_opcode_name(qid, opcode, fctype) \ ((opcode) == nvme_fabrics_command ? \ show_fabrics_type_name(fctype) : \ ((qid) ? \ show_nvm_opcode_name(opcode) : \ show_admin_opcode_name(opcode))) struct nvmf_common_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[35]; __u8 ts[24]; }; /* * The legal cntlid range a NVMe Target will provide. * Note that cntlid of value 0 is considered illegal in the fabrics world. * Devices based on earlier specs did not have the subsystem concept; * therefore, those devices had their cntlid value set to 0 as a result. */ #define NVME_CNTLID_MIN 1 #define NVME_CNTLID_MAX 0xffef #define NVME_CNTLID_DYNAMIC 0xffff #define MAX_DISC_LOGS 255 /* Discovery log page entry flags (EFLAGS): */ enum { NVME_DISC_EFLAGS_EPCSD = (1 << 1), NVME_DISC_EFLAGS_DUPRETINFO = (1 << 0), }; /* Discovery log page entry */ struct nvmf_disc_rsp_page_entry { __u8 trtype; __u8 adrfam; __u8 subtype; __u8 treq; __le16 portid; __le16 cntlid; __le16 asqsz; __le16 eflags; __u8 resv10[20]; char trsvcid[NVMF_TRSVCID_SIZE]; __u8 resv64[192]; char subnqn[NVMF_NQN_FIELD_LEN]; char traddr[NVMF_TRADDR_SIZE]; union tsas { char common[NVMF_TSAS_SIZE]; struct rdma { __u8 qptype; __u8 prtype; __u8 cms; __u8 resv3[5]; __u16 pkey; __u8 resv10[246]; } rdma; struct tcp { __u8 sectype; } tcp; } tsas; }; /* Discovery log page header */ struct nvmf_disc_rsp_page_hdr { __le64 genctr; __le64 numrec; __le16 recfmt; __u8 resv14[1006]; struct nvmf_disc_rsp_page_entry entries[]; }; enum { NVME_CONNECT_DISABLE_SQFLOW = (1 << 2), }; struct nvmf_connect_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[19]; union nvme_data_ptr dptr; __le16 recfmt; __le16 qid; __le16 sqsize; __u8 cattr; __u8 resv3; __le32 kato; __u8 resv4[12]; }; enum { NVME_CONNECT_AUTHREQ_ASCR = (1U << 18), NVME_CONNECT_AUTHREQ_ATR = (1U << 17), }; struct nvmf_connect_data { uuid_t hostid; __le16 cntlid; char resv4[238]; char subsysnqn[NVMF_NQN_FIELD_LEN]; char hostnqn[NVMF_NQN_FIELD_LEN]; char resv5[256]; }; struct nvmf_property_set_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[35]; __u8 attrib; __u8 resv3[3]; __le32 offset; __le64 value; __u8 resv4[8]; }; struct nvmf_property_get_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[35]; __u8 attrib; __u8 resv3[3]; __le32 offset; __u8 resv4[16]; }; struct nvmf_auth_common_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[19]; union nvme_data_ptr dptr; __u8 resv3; __u8 spsp0; __u8 spsp1; __u8 secp; __le32 al_tl; __u8 resv4[16]; }; struct nvmf_auth_send_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[19]; union nvme_data_ptr dptr; __u8 resv3; __u8 spsp0; __u8 spsp1; __u8 secp; __le32 tl; __u8 resv4[16]; }; struct nvmf_auth_receive_command { __u8 opcode; __u8 resv1; __u16 command_id; __u8 fctype; __u8 resv2[19]; union nvme_data_ptr dptr; __u8 resv3; __u8 spsp0; __u8 spsp1; __u8 secp; __le32 al; __u8 resv4[16]; }; /* Value for secp */ enum { NVME_AUTH_DHCHAP_PROTOCOL_IDENTIFIER = 0xe9, }; /* Defined value for auth_type */ enum { NVME_AUTH_COMMON_MESSAGES = 0x00, NVME_AUTH_DHCHAP_MESSAGES = 0x01, }; /* Defined messages for auth_id */ enum { NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE = 0x00, NVME_AUTH_DHCHAP_MESSAGE_CHALLENGE = 0x01, NVME_AUTH_DHCHAP_MESSAGE_REPLY = 0x02, NVME_AUTH_DHCHAP_MESSAGE_SUCCESS1 = 0x03, NVME_AUTH_DHCHAP_MESSAGE_SUCCESS2 = 0x04, NVME_AUTH_DHCHAP_MESSAGE_FAILURE2 = 0xf0, NVME_AUTH_DHCHAP_MESSAGE_FAILURE1 = 0xf1, }; struct nvmf_auth_dhchap_protocol_descriptor { __u8 authid; __u8 rsvd; __u8 halen; __u8 dhlen; __u8 idlist[60]; }; enum { NVME_AUTH_DHCHAP_AUTH_ID = 0x01, }; /* Defined hash functions for DH-HMAC-CHAP authentication */ enum { NVME_AUTH_HASH_SHA256 = 0x01, NVME_AUTH_HASH_SHA384 = 0x02, NVME_AUTH_HASH_SHA512 = 0x03, NVME_AUTH_HASH_INVALID = 0xff, }; /* Defined Diffie-Hellman group identifiers for DH-HMAC-CHAP authentication */ enum { NVME_AUTH_DHGROUP_NULL = 0x00, NVME_AUTH_DHGROUP_2048 = 0x01, NVME_AUTH_DHGROUP_3072 = 0x02, NVME_AUTH_DHGROUP_4096 = 0x03, NVME_AUTH_DHGROUP_6144 = 0x04, NVME_AUTH_DHGROUP_8192 = 0x05, NVME_AUTH_DHGROUP_INVALID = 0xff, }; union nvmf_auth_protocol { struct nvmf_auth_dhchap_protocol_descriptor dhchap; }; struct nvmf_auth_dhchap_negotiate_data { __u8 auth_type; __u8 auth_id; __le16 rsvd; __le16 t_id; __u8 sc_c; __u8 napd; union nvmf_auth_protocol auth_protocol[]; }; struct nvmf_auth_dhchap_challenge_data { __u8 auth_type; __u8 auth_id; __u16 rsvd1; __le16 t_id; __u8 hl; __u8 rsvd2; __u8 hashid; __u8 dhgid; __le16 dhvlen; __le32 seqnum; /* 'hl' bytes of challenge value */ __u8 cval[]; /* followed by 'dhvlen' bytes of DH value */ }; struct nvmf_auth_dhchap_reply_data { __u8 auth_type; __u8 auth_id; __le16 rsvd1; __le16 t_id; __u8 hl; __u8 rsvd2; __u8 cvalid; __u8 rsvd3; __le16 dhvlen; __le32 seqnum; /* 'hl' bytes of response data */ __u8 rval[]; /* followed by 'hl' bytes of Challenge value */ /* followed by 'dhvlen' bytes of DH value */ }; enum { NVME_AUTH_DHCHAP_RESPONSE_VALID = (1 << 0), }; struct nvmf_auth_dhchap_success1_data { __u8 auth_type; __u8 auth_id; __le16 rsvd1; __le16 t_id; __u8 hl; __u8 rsvd2; __u8 rvalid; __u8 rsvd3[7]; /* 'hl' bytes of response value */ __u8 rval[]; }; struct nvmf_auth_dhchap_success2_data { __u8 auth_type; __u8 auth_id; __le16 rsvd1; __le16 t_id; __u8 rsvd2[10]; }; struct nvmf_auth_dhchap_failure_data { __u8 auth_type; __u8 auth_id; __le16 rsvd1; __le16 t_id; __u8 rescode; __u8 rescode_exp; }; enum { NVME_AUTH_DHCHAP_FAILURE_REASON_FAILED = 0x01, }; enum { NVME_AUTH_DHCHAP_FAILURE_FAILED = 0x01, NVME_AUTH_DHCHAP_FAILURE_NOT_USABLE = 0x02, NVME_AUTH_DHCHAP_FAILURE_CONCAT_MISMATCH = 0x03, NVME_AUTH_DHCHAP_FAILURE_HASH_UNUSABLE = 0x04, NVME_AUTH_DHCHAP_FAILURE_DHGROUP_UNUSABLE = 0x05, NVME_AUTH_DHCHAP_FAILURE_INCORRECT_PAYLOAD = 0x06, NVME_AUTH_DHCHAP_FAILURE_INCORRECT_MESSAGE = 0x07, }; struct nvme_dbbuf { __u8 opcode; __u8 flags; __u16 command_id; __u32 rsvd1[5]; __le64 prp1; __le64 prp2; __u32 rsvd12[6]; }; struct streams_directive_params { __le16 msl; __le16 nssa; __le16 nsso; __u8 rsvd[10]; __le32 sws; __le16 sgs; __le16 nsa; __le16 nso; __u8 rsvd2[6]; }; struct nvme_command { union { struct nvme_common_command common; struct nvme_rw_command rw; struct nvme_identify identify; struct nvme_features features; struct nvme_create_cq create_cq; struct nvme_create_sq create_sq; struct nvme_delete_queue delete_queue; struct nvme_download_firmware dlfw; struct nvme_format_cmd format; struct nvme_dsm_cmd dsm; struct nvme_write_zeroes_cmd write_zeroes; struct nvme_zone_mgmt_send_cmd zms; struct nvme_zone_mgmt_recv_cmd zmr; struct nvme_abort_cmd abort; struct nvme_get_log_page_command get_log_page; struct nvmf_common_command fabrics; struct nvmf_connect_command connect; struct nvmf_property_set_command prop_set; struct nvmf_property_get_command prop_get; struct nvmf_auth_common_command auth_common; struct nvmf_auth_send_command auth_send; struct nvmf_auth_receive_command auth_receive; struct nvme_dbbuf dbbuf; struct nvme_directive_cmd directive; }; }; static inline bool nvme_is_fabrics(const struct nvme_command *cmd) { return cmd->common.opcode == nvme_fabrics_command; } struct nvme_error_slot { __le64 error_count; __le16 sqid; __le16 cmdid; __le16 status_field; __le16 param_error_location; __le64 lba; __le32 nsid; __u8 vs; __u8 resv[3]; __le64 cs; __u8 resv2[24]; }; static inline bool nvme_is_write(const struct nvme_command *cmd) { /* * What a mess... * * Why can't we simply have a Fabrics In and Fabrics out command? */ if (unlikely(nvme_is_fabrics(cmd))) return cmd->fabrics.fctype & 1; return cmd->common.opcode & 1; } enum { /* * Generic Command Status: */ NVME_SCT_GENERIC = 0x0, NVME_SC_SUCCESS = 0x0, NVME_SC_INVALID_OPCODE = 0x1, NVME_SC_INVALID_FIELD = 0x2, NVME_SC_CMDID_CONFLICT = 0x3, NVME_SC_DATA_XFER_ERROR = 0x4, NVME_SC_POWER_LOSS = 0x5, NVME_SC_INTERNAL = 0x6, NVME_SC_ABORT_REQ = 0x7, NVME_SC_ABORT_QUEUE = 0x8, NVME_SC_FUSED_FAIL = 0x9, NVME_SC_FUSED_MISSING = 0xa, NVME_SC_INVALID_NS = 0xb, NVME_SC_CMD_SEQ_ERROR = 0xc, NVME_SC_SGL_INVALID_LAST = 0xd, NVME_SC_SGL_INVALID_COUNT = 0xe, NVME_SC_SGL_INVALID_DATA = 0xf, NVME_SC_SGL_INVALID_METADATA = 0x10, NVME_SC_SGL_INVALID_TYPE = 0x11, NVME_SC_CMB_INVALID_USE = 0x12, NVME_SC_PRP_INVALID_OFFSET = 0x13, NVME_SC_ATOMIC_WU_EXCEEDED = 0x14, NVME_SC_OP_DENIED = 0x15, NVME_SC_SGL_INVALID_OFFSET = 0x16, NVME_SC_RESERVED = 0x17, NVME_SC_HOST_ID_INCONSIST = 0x18, NVME_SC_KA_TIMEOUT_EXPIRED = 0x19, NVME_SC_KA_TIMEOUT_INVALID = 0x1A, NVME_SC_ABORTED_PREEMPT_ABORT = 0x1B, NVME_SC_SANITIZE_FAILED = 0x1C, NVME_SC_SANITIZE_IN_PROGRESS = 0x1D, NVME_SC_SGL_INVALID_GRANULARITY = 0x1E, NVME_SC_CMD_NOT_SUP_CMB_QUEUE = 0x1F, NVME_SC_NS_WRITE_PROTECTED = 0x20, NVME_SC_CMD_INTERRUPTED = 0x21, NVME_SC_TRANSIENT_TR_ERR = 0x22, NVME_SC_ADMIN_COMMAND_MEDIA_NOT_READY = 0x24, NVME_SC_INVALID_IO_CMD_SET = 0x2C, NVME_SC_LBA_RANGE = 0x80, NVME_SC_CAP_EXCEEDED = 0x81, NVME_SC_NS_NOT_READY = 0x82, NVME_SC_RESERVATION_CONFLICT = 0x83, NVME_SC_FORMAT_IN_PROGRESS = 0x84, /* * Command Specific Status: */ NVME_SCT_COMMAND_SPECIFIC = 0x100, NVME_SC_CQ_INVALID = 0x100, NVME_SC_QID_INVALID = 0x101, NVME_SC_QUEUE_SIZE = 0x102, NVME_SC_ABORT_LIMIT = 0x103, NVME_SC_ABORT_MISSING = 0x104, NVME_SC_ASYNC_LIMIT = 0x105, NVME_SC_FIRMWARE_SLOT = 0x106, NVME_SC_FIRMWARE_IMAGE = 0x107, NVME_SC_INVALID_VECTOR = 0x108, NVME_SC_INVALID_LOG_PAGE = 0x109, NVME_SC_INVALID_FORMAT = 0x10a, NVME_SC_FW_NEEDS_CONV_RESET = 0x10b, NVME_SC_INVALID_QUEUE = 0x10c, NVME_SC_FEATURE_NOT_SAVEABLE = 0x10d, NVME_SC_FEATURE_NOT_CHANGEABLE = 0x10e, NVME_SC_FEATURE_NOT_PER_NS = 0x10f, NVME_SC_FW_NEEDS_SUBSYS_RESET = 0x110, NVME_SC_FW_NEEDS_RESET = 0x111, NVME_SC_FW_NEEDS_MAX_TIME = 0x112, NVME_SC_FW_ACTIVATE_PROHIBITED = 0x113, NVME_SC_OVERLAPPING_RANGE = 0x114, NVME_SC_NS_INSUFFICIENT_CAP = 0x115, NVME_SC_NS_ID_UNAVAILABLE = 0x116, NVME_SC_NS_ALREADY_ATTACHED = 0x118, NVME_SC_NS_IS_PRIVATE = 0x119, NVME_SC_NS_NOT_ATTACHED = 0x11a, NVME_SC_THIN_PROV_NOT_SUPP = 0x11b, NVME_SC_CTRL_LIST_INVALID = 0x11c, NVME_SC_SELT_TEST_IN_PROGRESS = 0x11d, NVME_SC_BP_WRITE_PROHIBITED = 0x11e, NVME_SC_CTRL_ID_INVALID = 0x11f, NVME_SC_SEC_CTRL_STATE_INVALID = 0x120, NVME_SC_CTRL_RES_NUM_INVALID = 0x121, NVME_SC_RES_ID_INVALID = 0x122, NVME_SC_PMR_SAN_PROHIBITED = 0x123, NVME_SC_ANA_GROUP_ID_INVALID = 0x124, NVME_SC_ANA_ATTACH_FAILED = 0x125, /* * I/O Command Set Specific - NVM commands: */ NVME_SC_BAD_ATTRIBUTES = 0x180, NVME_SC_INVALID_PI = 0x181, NVME_SC_READ_ONLY = 0x182, NVME_SC_ONCS_NOT_SUPPORTED = 0x183, /* * I/O Command Set Specific - Fabrics commands: */ NVME_SC_CONNECT_FORMAT = 0x180, NVME_SC_CONNECT_CTRL_BUSY = 0x181, NVME_SC_CONNECT_INVALID_PARAM = 0x182, NVME_SC_CONNECT_RESTART_DISC = 0x183, NVME_SC_CONNECT_INVALID_HOST = 0x184, NVME_SC_DISCOVERY_RESTART = 0x190, NVME_SC_AUTH_REQUIRED = 0x191, /* * I/O Command Set Specific - Zoned commands: */ NVME_SC_ZONE_BOUNDARY_ERROR = 0x1b8, NVME_SC_ZONE_FULL = 0x1b9, NVME_SC_ZONE_READ_ONLY = 0x1ba, NVME_SC_ZONE_OFFLINE = 0x1bb, NVME_SC_ZONE_INVALID_WRITE = 0x1bc, NVME_SC_ZONE_TOO_MANY_ACTIVE = 0x1bd, NVME_SC_ZONE_TOO_MANY_OPEN = 0x1be, NVME_SC_ZONE_INVALID_TRANSITION = 0x1bf, /* * Media and Data Integrity Errors: */ NVME_SCT_MEDIA_ERROR = 0x200, NVME_SC_WRITE_FAULT = 0x280, NVME_SC_READ_ERROR = 0x281, NVME_SC_GUARD_CHECK = 0x282, NVME_SC_APPTAG_CHECK = 0x283, NVME_SC_REFTAG_CHECK = 0x284, NVME_SC_COMPARE_FAILED = 0x285, NVME_SC_ACCESS_DENIED = 0x286, NVME_SC_UNWRITTEN_BLOCK = 0x287, /* * Path-related Errors: */ NVME_SCT_PATH = 0x300, NVME_SC_INTERNAL_PATH_ERROR = 0x300, NVME_SC_ANA_PERSISTENT_LOSS = 0x301, NVME_SC_ANA_INACCESSIBLE = 0x302, NVME_SC_ANA_TRANSITION = 0x303, NVME_SC_CTRL_PATH_ERROR = 0x360, NVME_SC_HOST_PATH_ERROR = 0x370, NVME_SC_HOST_ABORTED_CMD = 0x371, NVME_SC_MASK = 0x00ff, /* Status Code */ NVME_SCT_MASK = 0x0700, /* Status Code Type */ NVME_SCT_SC_MASK = NVME_SCT_MASK | NVME_SC_MASK, NVME_STATUS_CRD = 0x1800, /* Command Retry Delayed */ NVME_STATUS_MORE = 0x2000, NVME_STATUS_DNR = 0x4000, /* Do Not Retry */ }; #define NVME_SCT(status) ((status) >> 8 & 7) struct nvme_completion { /* * Used by Admin and Fabrics commands to return data: */ union nvme_result { __le16 u16; __le32 u32; __le64 u64; } result; __le16 sq_head; /* how much of this queue may be reclaimed */ __le16 sq_id; /* submission queue that generated this entry */ __u16 command_id; /* of the command which completed */ __le16 status; /* did the command fail, and if so, why? */ }; #define NVME_VS(major, minor, tertiary) \ (((major) << 16) | ((minor) << 8) | (tertiary)) #define NVME_MAJOR(ver) ((ver) >> 16) #define NVME_MINOR(ver) (((ver) >> 8) & 0xff) #define NVME_TERTIARY(ver) ((ver) & 0xff) enum { NVME_AEN_RESV_LOG_PAGE_AVALIABLE = 0x00, }; enum { NVME_PR_LOG_EMPTY_LOG_PAGE = 0x00, NVME_PR_LOG_REGISTRATION_PREEMPTED = 0x01, NVME_PR_LOG_RESERVATION_RELEASED = 0x02, NVME_PR_LOG_RESERVATOIN_PREEMPTED = 0x03, }; enum { NVME_PR_NOTIFY_BIT_REG_PREEMPTED = 1, NVME_PR_NOTIFY_BIT_RESV_RELEASED = 2, NVME_PR_NOTIFY_BIT_RESV_PREEMPTED = 3, }; struct nvme_pr_log { __le64 count; __u8 type; __u8 nr_pages; __u8 rsvd1[2]; __le32 nsid; __u8 rsvd2[48]; }; struct nvmet_pr_register_data { __le64 crkey; __le64 nrkey; }; struct nvmet_pr_acquire_data { __le64 crkey; __le64 prkey; }; struct nvmet_pr_release_data { __le64 crkey; }; enum nvme_pr_capabilities { NVME_PR_SUPPORT_PTPL = 1, NVME_PR_SUPPORT_WRITE_EXCLUSIVE = 1 << 1, NVME_PR_SUPPORT_EXCLUSIVE_ACCESS = 1 << 2, NVME_PR_SUPPORT_WRITE_EXCLUSIVE_REG_ONLY = 1 << 3, NVME_PR_SUPPORT_EXCLUSIVE_ACCESS_REG_ONLY = 1 << 4, NVME_PR_SUPPORT_WRITE_EXCLUSIVE_ALL_REGS = 1 << 5, NVME_PR_SUPPORT_EXCLUSIVE_ACCESS_ALL_REGS = 1 << 6, NVME_PR_SUPPORT_IEKEY_VER_1_3_DEF = 1 << 7, }; enum nvme_pr_register_action { NVME_PR_REGISTER_ACT_REG = 0, NVME_PR_REGISTER_ACT_UNREG = 1, NVME_PR_REGISTER_ACT_REPLACE = 1 << 1, }; enum nvme_pr_acquire_action { NVME_PR_ACQUIRE_ACT_ACQUIRE = 0, NVME_PR_ACQUIRE_ACT_PREEMPT = 1, NVME_PR_ACQUIRE_ACT_PREEMPT_AND_ABORT = 1 << 1, }; enum nvme_pr_release_action { NVME_PR_RELEASE_ACT_RELEASE = 0, NVME_PR_RELEASE_ACT_CLEAR = 1, }; enum nvme_pr_change_ptpl { NVME_PR_CPTPL_NO_CHANGE = 0, NVME_PR_CPTPL_RESV = 1 << 30, NVME_PR_CPTPL_CLEARED = 2 << 30, NVME_PR_CPTPL_PERSIST = 3 << 30, }; #define NVME_PR_IGNORE_KEY (1 << 3) #endif /* _LINUX_NVME_H */