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qemu/hw/block/nvme.h
Christoph Hellwig 8b9d74e0ee nvme: implement the Flush command 
Implement a real flush instead of faking it.  This is especially important
as Qemu assume Write back cashing by default and thus requires a working
cache flush operation for data integrity.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-07-14 15:55:19 +02:00

712 lines
21 KiB
C
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#ifndef HW_NVME_H
#define HW_NVME_H
typedef struct NvmeBar {
uint64_t cap;
uint32_t vs;
uint32_t intms;
uint32_t intmc;
uint32_t cc;
uint32_t rsvd1;
uint32_t csts;
uint32_t nssrc;
uint32_t aqa;
uint64_t asq;
uint64_t acq;
} NvmeBar;
enum NvmeCapShift {
CAP_MQES_SHIFT = 0,
CAP_CQR_SHIFT = 16,
CAP_AMS_SHIFT = 17,
CAP_TO_SHIFT = 24,
CAP_DSTRD_SHIFT = 32,
CAP_NSSRS_SHIFT = 33,
CAP_CSS_SHIFT = 37,
CAP_MPSMIN_SHIFT = 48,
CAP_MPSMAX_SHIFT = 52,
};
enum NvmeCapMask {
CAP_MQES_MASK = 0xffff,
CAP_CQR_MASK = 0x1,
CAP_AMS_MASK = 0x3,
CAP_TO_MASK = 0xff,
CAP_DSTRD_MASK = 0xf,
CAP_NSSRS_MASK = 0x1,
CAP_CSS_MASK = 0xff,
CAP_MPSMIN_MASK = 0xf,
CAP_MPSMAX_MASK = 0xf,
};
#define NVME_CAP_MQES(cap) (((cap) >> CAP_MQES_SHIFT) & CAP_MQES_MASK)
#define NVME_CAP_CQR(cap) (((cap) >> CAP_CQR_SHIFT) & CAP_CQR_MASK)
#define NVME_CAP_AMS(cap) (((cap) >> CAP_AMS_SHIFT) & CAP_AMS_MASK)
#define NVME_CAP_TO(cap) (((cap) >> CAP_TO_SHIFT) & CAP_TO_MASK)
#define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT) & CAP_DSTRD_MASK)
#define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT) & CAP_NSSRS_MASK)
#define NVME_CAP_CSS(cap) (((cap) >> CAP_CSS_SHIFT) & CAP_CSS_MASK)
#define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
#define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
#define NVME_CAP_SET_MQES(cap, val) (cap |= (uint64_t)(val & CAP_MQES_MASK) \
<< CAP_MQES_SHIFT)
#define NVME_CAP_SET_CQR(cap, val) (cap |= (uint64_t)(val & CAP_CQR_MASK) \
<< CAP_CQR_SHIFT)
#define NVME_CAP_SET_AMS(cap, val) (cap |= (uint64_t)(val & CAP_AMS_MASK) \
<< CAP_AMS_SHIFT)
#define NVME_CAP_SET_TO(cap, val) (cap |= (uint64_t)(val & CAP_TO_MASK) \
<< CAP_TO_SHIFT)
#define NVME_CAP_SET_DSTRD(cap, val) (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
<< CAP_DSTRD_SHIFT)
#define NVME_CAP_SET_NSSRS(cap, val) (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
<< CAP_NSSRS_SHIFT)
#define NVME_CAP_SET_CSS(cap, val) (cap |= (uint64_t)(val & CAP_CSS_MASK) \
<< CAP_CSS_SHIFT)
#define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
<< CAP_MPSMIN_SHIFT)
#define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
<< CAP_MPSMAX_SHIFT)
enum NvmeCcShift {
CC_EN_SHIFT = 0,
CC_CSS_SHIFT = 4,
CC_MPS_SHIFT = 7,
CC_AMS_SHIFT = 11,
CC_SHN_SHIFT = 14,
CC_IOSQES_SHIFT = 16,
CC_IOCQES_SHIFT = 20,
};
enum NvmeCcMask {
CC_EN_MASK = 0x1,
CC_CSS_MASK = 0x7,
CC_MPS_MASK = 0xf,
CC_AMS_MASK = 0x7,
CC_SHN_MASK = 0x3,
CC_IOSQES_MASK = 0xf,
CC_IOCQES_MASK = 0xf,
};
#define NVME_CC_EN(cc) ((cc >> CC_EN_SHIFT) & CC_EN_MASK)
#define NVME_CC_CSS(cc) ((cc >> CC_CSS_SHIFT) & CC_CSS_MASK)
#define NVME_CC_MPS(cc) ((cc >> CC_MPS_SHIFT) & CC_MPS_MASK)
#define NVME_CC_AMS(cc) ((cc >> CC_AMS_SHIFT) & CC_AMS_MASK)
#define NVME_CC_SHN(cc) ((cc >> CC_SHN_SHIFT) & CC_SHN_MASK)
#define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
#define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
enum NvmeCstsShift {
CSTS_RDY_SHIFT = 0,
CSTS_CFS_SHIFT = 1,
CSTS_SHST_SHIFT = 2,
CSTS_NSSRO_SHIFT = 4,
};
enum NvmeCstsMask {
CSTS_RDY_MASK = 0x1,
CSTS_CFS_MASK = 0x1,
CSTS_SHST_MASK = 0x3,
CSTS_NSSRO_MASK = 0x1,
};
enum NvmeCsts {
NVME_CSTS_READY = 1 << CSTS_RDY_SHIFT,
NVME_CSTS_FAILED = 1 << CSTS_CFS_SHIFT,
NVME_CSTS_SHST_NORMAL = 0 << CSTS_SHST_SHIFT,
NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
NVME_CSTS_NSSRO = 1 << CSTS_NSSRO_SHIFT,
};
#define NVME_CSTS_RDY(csts) ((csts >> CSTS_RDY_SHIFT) & CSTS_RDY_MASK)
#define NVME_CSTS_CFS(csts) ((csts >> CSTS_CFS_SHIFT) & CSTS_CFS_MASK)
#define NVME_CSTS_SHST(csts) ((csts >> CSTS_SHST_SHIFT) & CSTS_SHST_MASK)
#define NVME_CSTS_NSSRO(csts) ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
enum NvmeAqaShift {
AQA_ASQS_SHIFT = 0,
AQA_ACQS_SHIFT = 16,
};
enum NvmeAqaMask {
AQA_ASQS_MASK = 0xfff,
AQA_ACQS_MASK = 0xfff,
};
#define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
#define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
typedef struct NvmeCmd {
uint8_t opcode;
uint8_t fuse;
uint16_t cid;
uint32_t nsid;
uint64_t res1;
uint64_t mptr;
uint64_t prp1;
uint64_t prp2;
uint32_t cdw10;
uint32_t cdw11;
uint32_t cdw12;
uint32_t cdw13;
uint32_t cdw14;
uint32_t cdw15;
} NvmeCmd;
enum NvmeAdminCommands {
NVME_ADM_CMD_DELETE_SQ = 0x00,
NVME_ADM_CMD_CREATE_SQ = 0x01,
NVME_ADM_CMD_GET_LOG_PAGE = 0x02,
NVME_ADM_CMD_DELETE_CQ = 0x04,
NVME_ADM_CMD_CREATE_CQ = 0x05,
NVME_ADM_CMD_IDENTIFY = 0x06,
NVME_ADM_CMD_ABORT = 0x08,
NVME_ADM_CMD_SET_FEATURES = 0x09,
NVME_ADM_CMD_GET_FEATURES = 0x0a,
NVME_ADM_CMD_ASYNC_EV_REQ = 0x0c,
NVME_ADM_CMD_ACTIVATE_FW = 0x10,
NVME_ADM_CMD_DOWNLOAD_FW = 0x11,
NVME_ADM_CMD_FORMAT_NVM = 0x80,
NVME_ADM_CMD_SECURITY_SEND = 0x81,
NVME_ADM_CMD_SECURITY_RECV = 0x82,
};
enum NvmeIoCommands {
NVME_CMD_FLUSH = 0x00,
NVME_CMD_WRITE = 0x01,
NVME_CMD_READ = 0x02,
NVME_CMD_WRITE_UNCOR = 0x04,
NVME_CMD_COMPARE = 0x05,
NVME_CMD_DSM = 0x09,
};
typedef struct NvmeDeleteQ {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t rsvd1[9];
uint16_t qid;
uint16_t rsvd10;
uint32_t rsvd11[5];
} NvmeDeleteQ;
typedef struct NvmeCreateCq {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t rsvd1[5];
uint64_t prp1;
uint64_t rsvd8;
uint16_t cqid;
uint16_t qsize;
uint16_t cq_flags;
uint16_t irq_vector;
uint32_t rsvd12[4];
} NvmeCreateCq;
#define NVME_CQ_FLAGS_PC(cq_flags) (cq_flags & 0x1)
#define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
typedef struct NvmeCreateSq {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t rsvd1[5];
uint64_t prp1;
uint64_t rsvd8;
uint16_t sqid;
uint16_t qsize;
uint16_t sq_flags;
uint16_t cqid;
uint32_t rsvd12[4];
} NvmeCreateSq;
#define NVME_SQ_FLAGS_PC(sq_flags) (sq_flags & 0x1)
#define NVME_SQ_FLAGS_QPRIO(sq_flags) ((sq_flags >> 1) & 0x3)
enum NvmeQueueFlags {
NVME_Q_PC = 1,
NVME_Q_PRIO_URGENT = 0,
NVME_Q_PRIO_HIGH = 1,
NVME_Q_PRIO_NORMAL = 2,
NVME_Q_PRIO_LOW = 3,
};
typedef struct NvmeIdentify {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t nsid;
uint64_t rsvd2[2];
uint64_t prp1;
uint64_t prp2;
uint32_t cns;
uint32_t rsvd11[5];
} NvmeIdentify;
typedef struct NvmeRwCmd {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t nsid;
uint64_t rsvd2;
uint64_t mptr;
uint64_t prp1;
uint64_t prp2;
uint64_t slba;
uint16_t nlb;
uint16_t control;
uint32_t dsmgmt;
uint32_t reftag;
uint16_t apptag;
uint16_t appmask;
} NvmeRwCmd;
enum {
NVME_RW_LR = 1 << 15,
NVME_RW_FUA = 1 << 14,
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_PRACT = 1 << 13,
NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12,
NVME_RW_PRINFO_PRCHK_APP = 1 << 11,
NVME_RW_PRINFO_PRCHK_REF = 1 << 10,
};
typedef struct NvmeDsmCmd {
uint8_t opcode;
uint8_t flags;
uint16_t cid;
uint32_t nsid;
uint64_t rsvd2[2];
uint64_t prp1;
uint64_t prp2;
uint32_t nr;
uint32_t attributes;
uint32_t rsvd12[4];
} NvmeDsmCmd;
enum {
NVME_DSMGMT_IDR = 1 << 0,
NVME_DSMGMT_IDW = 1 << 1,
NVME_DSMGMT_AD = 1 << 2,
};
typedef struct NvmeDsmRange {
uint32_t cattr;
uint32_t nlb;
uint64_t slba;
} NvmeDsmRange;
enum NvmeAsyncEventRequest {
NVME_AER_TYPE_ERROR = 0,
NVME_AER_TYPE_SMART = 1,
NVME_AER_TYPE_IO_SPECIFIC = 6,
NVME_AER_TYPE_VENDOR_SPECIFIC = 7,
NVME_AER_INFO_ERR_INVALID_SQ = 0,
NVME_AER_INFO_ERR_INVALID_DB = 1,
NVME_AER_INFO_ERR_DIAG_FAIL = 2,
NVME_AER_INFO_ERR_PERS_INTERNAL_ERR = 3,
NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR = 4,
NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR = 5,
NVME_AER_INFO_SMART_RELIABILITY = 0,
NVME_AER_INFO_SMART_TEMP_THRESH = 1,
NVME_AER_INFO_SMART_SPARE_THRESH = 2,
};
typedef struct NvmeAerResult {
uint8_t event_type;
uint8_t event_info;
uint8_t log_page;
uint8_t resv;
} NvmeAerResult;
typedef struct NvmeCqe {
uint32_t result;
uint32_t rsvd;
uint16_t sq_head;
uint16_t sq_id;
uint16_t cid;
uint16_t status;
} NvmeCqe;
enum NvmeStatusCodes {
NVME_SUCCESS = 0x0000,
NVME_INVALID_OPCODE = 0x0001,
NVME_INVALID_FIELD = 0x0002,
NVME_CID_CONFLICT = 0x0003,
NVME_DATA_TRAS_ERROR = 0x0004,
NVME_POWER_LOSS_ABORT = 0x0005,
NVME_INTERNAL_DEV_ERROR = 0x0006,
NVME_CMD_ABORT_REQ = 0x0007,
NVME_CMD_ABORT_SQ_DEL = 0x0008,
NVME_CMD_ABORT_FAILED_FUSE = 0x0009,
NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
NVME_INVALID_NSID = 0x000b,
NVME_CMD_SEQ_ERROR = 0x000c,
NVME_LBA_RANGE = 0x0080,
NVME_CAP_EXCEEDED = 0x0081,
NVME_NS_NOT_READY = 0x0082,
NVME_NS_RESV_CONFLICT = 0x0083,
NVME_INVALID_CQID = 0x0100,
NVME_INVALID_QID = 0x0101,
NVME_MAX_QSIZE_EXCEEDED = 0x0102,
NVME_ACL_EXCEEDED = 0x0103,
NVME_RESERVED = 0x0104,
NVME_AER_LIMIT_EXCEEDED = 0x0105,
NVME_INVALID_FW_SLOT = 0x0106,
NVME_INVALID_FW_IMAGE = 0x0107,
NVME_INVALID_IRQ_VECTOR = 0x0108,
NVME_INVALID_LOG_ID = 0x0109,
NVME_INVALID_FORMAT = 0x010a,
NVME_FW_REQ_RESET = 0x010b,
NVME_INVALID_QUEUE_DEL = 0x010c,
NVME_FID_NOT_SAVEABLE = 0x010d,
NVME_FID_NOT_NSID_SPEC = 0x010f,
NVME_FW_REQ_SUSYSTEM_RESET = 0x0110,
NVME_CONFLICTING_ATTRS = 0x0180,
NVME_INVALID_PROT_INFO = 0x0181,
NVME_WRITE_TO_RO = 0x0182,
NVME_WRITE_FAULT = 0x0280,
NVME_UNRECOVERED_READ = 0x0281,
NVME_E2E_GUARD_ERROR = 0x0282,
NVME_E2E_APP_ERROR = 0x0283,
NVME_E2E_REF_ERROR = 0x0284,
NVME_CMP_FAILURE = 0x0285,
NVME_ACCESS_DENIED = 0x0286,
NVME_MORE = 0x2000,
NVME_DNR = 0x4000,
NVME_NO_COMPLETE = 0xffff,
};
typedef struct NvmeFwSlotInfoLog {
uint8_t afi;
uint8_t reserved1[7];
uint8_t frs1[8];
uint8_t frs2[8];
uint8_t frs3[8];
uint8_t frs4[8];
uint8_t frs5[8];
uint8_t frs6[8];
uint8_t frs7[8];
uint8_t reserved2[448];
} NvmeFwSlotInfoLog;
typedef struct NvmeErrorLog {
uint64_t error_count;
uint16_t sqid;
uint16_t cid;
uint16_t status_field;
uint16_t param_error_location;
uint64_t lba;
uint32_t nsid;
uint8_t vs;
uint8_t resv[35];
} NvmeErrorLog;
typedef struct NvmeSmartLog {
uint8_t critical_warning;
uint8_t temperature[2];
uint8_t available_spare;
uint8_t available_spare_threshold;
uint8_t percentage_used;
uint8_t reserved1[26];
uint64_t data_units_read[2];
uint64_t data_units_written[2];
uint64_t host_read_commands[2];
uint64_t host_write_commands[2];
uint64_t controller_busy_time[2];
uint64_t power_cycles[2];
uint64_t power_on_hours[2];
uint64_t unsafe_shutdowns[2];
uint64_t media_errors[2];
uint64_t number_of_error_log_entries[2];
uint8_t reserved2[320];
} NvmeSmartLog;
enum NvmeSmartWarn {
NVME_SMART_SPARE = 1 << 0,
NVME_SMART_TEMPERATURE = 1 << 1,
NVME_SMART_RELIABILITY = 1 << 2,
NVME_SMART_MEDIA_READ_ONLY = 1 << 3,
NVME_SMART_FAILED_VOLATILE_MEDIA = 1 << 4,
};
enum LogIdentifier {
NVME_LOG_ERROR_INFO = 0x01,
NVME_LOG_SMART_INFO = 0x02,
NVME_LOG_FW_SLOT_INFO = 0x03,
};
typedef struct NvmePSD {
uint16_t mp;
uint16_t reserved;
uint32_t enlat;
uint32_t exlat;
uint8_t rrt;
uint8_t rrl;
uint8_t rwt;
uint8_t rwl;
uint8_t resv[16];
} NvmePSD;
typedef struct NvmeIdCtrl {
uint16_t vid;
uint16_t ssvid;
uint8_t sn[20];
uint8_t mn[40];
uint8_t fr[8];
uint8_t rab;
uint8_t ieee[3];
uint8_t cmic;
uint8_t mdts;
uint8_t rsvd255[178];
uint16_t oacs;
uint8_t acl;
uint8_t aerl;
uint8_t frmw;
uint8_t lpa;
uint8_t elpe;
uint8_t npss;
uint8_t rsvd511[248];
uint8_t sqes;
uint8_t cqes;
uint16_t rsvd515;
uint32_t nn;
uint16_t oncs;
uint16_t fuses;
uint8_t fna;
uint8_t vwc;
uint16_t awun;
uint16_t awupf;
uint8_t rsvd703[174];
uint8_t rsvd2047[1344];
NvmePSD psd[32];
uint8_t vs[1024];
} NvmeIdCtrl;
enum NvmeIdCtrlOacs {
NVME_OACS_SECURITY = 1 << 0,
NVME_OACS_FORMAT = 1 << 1,
NVME_OACS_FW = 1 << 2,
};
enum NvmeIdCtrlOncs {
NVME_ONCS_COMPARE = 1 << 0,
NVME_ONCS_WRITE_UNCORR = 1 << 1,
NVME_ONCS_DSM = 1 << 2,
NVME_ONCS_WRITE_ZEROS = 1 << 3,
NVME_ONCS_FEATURES = 1 << 4,
NVME_ONCS_RESRVATIONS = 1 << 5,
};
#define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
#define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
#define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
#define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
typedef struct NvmeFeatureVal {
uint32_t arbitration;
uint32_t power_mgmt;
uint32_t temp_thresh;
uint32_t err_rec;
uint32_t volatile_wc;
uint32_t num_queues;
uint32_t int_coalescing;
uint32_t *int_vector_config;
uint32_t write_atomicity;
uint32_t async_config;
uint32_t sw_prog_marker;
} NvmeFeatureVal;
#define NVME_ARB_AB(arb) (arb & 0x7)
#define NVME_ARB_LPW(arb) ((arb >> 8) & 0xff)
#define NVME_ARB_MPW(arb) ((arb >> 16) & 0xff)
#define NVME_ARB_HPW(arb) ((arb >> 24) & 0xff)
#define NVME_INTC_THR(intc) (intc & 0xff)
#define NVME_INTC_TIME(intc) ((intc >> 8) & 0xff)
enum NvmeFeatureIds {
NVME_ARBITRATION = 0x1,
NVME_POWER_MANAGEMENT = 0x2,
NVME_LBA_RANGE_TYPE = 0x3,
NVME_TEMPERATURE_THRESHOLD = 0x4,
NVME_ERROR_RECOVERY = 0x5,
NVME_VOLATILE_WRITE_CACHE = 0x6,
NVME_NUMBER_OF_QUEUES = 0x7,
NVME_INTERRUPT_COALESCING = 0x8,
NVME_INTERRUPT_VECTOR_CONF = 0x9,
NVME_WRITE_ATOMICITY = 0xa,
NVME_ASYNCHRONOUS_EVENT_CONF = 0xb,
NVME_SOFTWARE_PROGRESS_MARKER = 0x80
};
typedef struct NvmeRangeType {
uint8_t type;
uint8_t attributes;
uint8_t rsvd2[14];
uint64_t slba;
uint64_t nlb;
uint8_t guid[16];
uint8_t rsvd48[16];
} NvmeRangeType;
typedef struct NvmeLBAF {
uint16_t ms;
uint8_t ds;
uint8_t rp;
} NvmeLBAF;
typedef struct NvmeIdNs {
uint64_t nsze;
uint64_t ncap;
uint64_t nuse;
uint8_t nsfeat;
uint8_t nlbaf;
uint8_t flbas;
uint8_t mc;
uint8_t dpc;
uint8_t dps;
uint8_t res30[98];
NvmeLBAF lbaf[16];
uint8_t res192[192];
uint8_t vs[3712];
} NvmeIdNs;
#define NVME_ID_NS_NSFEAT_THIN(nsfeat) ((nsfeat & 0x1))
#define NVME_ID_NS_FLBAS_EXTENDED(flbas) ((flbas >> 4) & 0x1)
#define NVME_ID_NS_FLBAS_INDEX(flbas) ((flbas & 0xf))
#define NVME_ID_NS_MC_SEPARATE(mc) ((mc >> 1) & 0x1)
#define NVME_ID_NS_MC_EXTENDED(mc) ((mc & 0x1))
#define NVME_ID_NS_DPC_LAST_EIGHT(dpc) ((dpc >> 4) & 0x1)
#define NVME_ID_NS_DPC_FIRST_EIGHT(dpc) ((dpc >> 3) & 0x1)
#define NVME_ID_NS_DPC_TYPE_3(dpc) ((dpc >> 2) & 0x1)
#define NVME_ID_NS_DPC_TYPE_2(dpc) ((dpc >> 1) & 0x1)
#define NVME_ID_NS_DPC_TYPE_1(dpc) ((dpc & 0x1))
#define NVME_ID_NS_DPC_TYPE_MASK 0x7
enum NvmeIdNsDps {
DPS_TYPE_NONE = 0,
DPS_TYPE_1 = 1,
DPS_TYPE_2 = 2,
DPS_TYPE_3 = 3,
DPS_TYPE_MASK = 0x7,
DPS_FIRST_EIGHT = 8,
};
static inline void _nvme_check_size(void)
{
QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
}
typedef struct NvmeAsyncEvent {
QSIMPLEQ_ENTRY(NvmeAsyncEvent) entry;
NvmeAerResult result;
} NvmeAsyncEvent;
typedef struct NvmeRequest {
struct NvmeSQueue *sq;
BlockAIOCB *aiocb;
uint16_t status;
bool has_sg;
NvmeCqe cqe;
BlockAcctCookie acct;
QEMUSGList qsg;
QTAILQ_ENTRY(NvmeRequest)entry;
} NvmeRequest;
typedef struct NvmeSQueue {
struct NvmeCtrl *ctrl;
uint16_t sqid;
uint16_t cqid;
uint32_t head;
uint32_t tail;
uint32_t size;
uint64_t dma_addr;
QEMUTimer *timer;
NvmeRequest *io_req;
QTAILQ_HEAD(sq_req_list, NvmeRequest) req_list;
QTAILQ_HEAD(out_req_list, NvmeRequest) out_req_list;
QTAILQ_ENTRY(NvmeSQueue) entry;
} NvmeSQueue;
typedef struct NvmeCQueue {
struct NvmeCtrl *ctrl;
uint8_t phase;
uint16_t cqid;
uint16_t irq_enabled;
uint32_t head;
uint32_t tail;
uint32_t vector;
uint32_t size;
uint64_t dma_addr;
QEMUTimer *timer;
QTAILQ_HEAD(sq_list, NvmeSQueue) sq_list;
QTAILQ_HEAD(cq_req_list, NvmeRequest) req_list;
} NvmeCQueue;
typedef struct NvmeNamespace {
NvmeIdNs id_ns;
} NvmeNamespace;
#define TYPE_NVME "nvme"
#define NVME(obj) \
OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME)
typedef struct NvmeCtrl {
PCIDevice parent_obj;
MemoryRegion iomem;
NvmeBar bar;
BlockConf conf;
uint32_t page_size;
uint16_t page_bits;
uint16_t max_prp_ents;
uint16_t cqe_size;
uint16_t sqe_size;
uint32_t reg_size;
uint32_t num_namespaces;
uint32_t num_queues;
uint32_t max_q_ents;
uint64_t ns_size;
char *serial;
NvmeNamespace *namespaces;
NvmeSQueue **sq;
NvmeCQueue **cq;
NvmeSQueue admin_sq;
NvmeCQueue admin_cq;
NvmeIdCtrl id_ctrl;
} NvmeCtrl;
#endif /* HW_NVME_H */
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