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240 lines
8.6 KiB
240 lines
8.6 KiB
4 years ago
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/*
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* MinIO Cloud Storage, (C) 2016-2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package smart
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import "math/big"
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// Defined in <linux/nvme_ioctl.h>
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//nolint:structcheck
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type nvmePassthruCommand struct {
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opcode uint8
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flags uint8
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rsvd1 uint16
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nsid uint32
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cdw2 uint32
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cdw3 uint32
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metadata uint64
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addr uint64
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metadataLen uint32
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dataLen uint32
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cdw10 uint32
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cdw11 uint32
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cdw12 uint32
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cdw13 uint32
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cdw14 uint32
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cdw15 uint32
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timeoutMS uint32
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result uint32
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} // 72 bytes
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type nvmeIdentPowerState struct {
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MaxPower uint16 // Centiwatts
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Rsvd2 uint8
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Flags uint8
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EntryLat uint32 // Microseconds
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ExitLat uint32 // Microseconds
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ReadTput uint8
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ReadLat uint8
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WriteTput uint8
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WriteLat uint8
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IdlePower uint16
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IdleScale uint8
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Rsvd19 uint8
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ActivePower uint16
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ActiveWorkScale uint8
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Rsvd23 [9]byte
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}
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type nvmeIdentController struct {
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VendorID uint16 // PCI Vendor ID
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Ssvid uint16 // PCI Subsystem Vendor ID
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SerialNumber [20]byte // Serial Number
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ModelNumber [40]byte // Model Number
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Firmware [8]byte // Firmware Revision
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Rab uint8 // Recommended Arbitration Burst
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IEEE [3]byte // IEEE OUI Identifier
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Cmic uint8 // Controller Multi-Path I/O and Namespace Sharing Capabilities
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Mdts uint8 // Maximum Data Transfer Size
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Cntlid uint16 // Controller ID
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Ver uint32 // Version
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Rtd3r uint32 // RTD3 Resume Latency
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Rtd3e uint32 // RTD3 Entry Latency
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Oaes uint32 // Optional Asynchronous Events Supported
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Rsvd96 [160]byte // ...
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Oacs uint16 // Optional Admin Command Support
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ACL uint8 // Abort Command Limit
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Aerl uint8 // Asynchronous Event Request Limit
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Frmw uint8 // Firmware Updates
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Lpa uint8 // Log Page Attributes
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Elpe uint8 // Error Log Page Entries
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Npss uint8 // Number of Power States Support
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Avscc uint8 // Admin Vendor Specific Command Configuration
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Apsta uint8 // Autonomous Power State Transition Attributes
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Wctemp uint16 // Warning Composite Temperature Threshold
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Cctemp uint16 // Critical Composite Temperature Threshold
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Mtfa uint16 // Maximum Time for Firmware Activation
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Hmpre uint32 // Host Memory Buffer Preferred Size
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Hmmin uint32 // Host Memory Buffer Minimum Size
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Tnvmcap [16]byte // Total NVM Capacity
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Unvmcap [16]byte // Unallocated NVM Capacity
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Rpmbs uint32 // Replay Protected Memory Block Support
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Rsvd316 [196]byte // ...
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Sqes uint8 // Submission Queue Entry Size
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Cqes uint8 // Completion Queue Entry Size
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Rsvd514 [2]byte // (defined in NVMe 1.3 spec)
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Nn uint32 // Number of Namespaces
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Oncs uint16 // Optional NVM Command Support
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Fuses uint16 // Fused Operation Support
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Fna uint8 // Format NVM Attributes
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Vwc uint8 // Volatile Write Cache
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Awun uint16 // Atomic Write Unit Normal
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Awupf uint16 // Atomic Write Unit Power Fail
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Nvscc uint8 // NVM Vendor Specific Command Configuration
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Rsvd531 uint8 // ...
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Acwu uint16 // Atomic Compare & Write Unit
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Rsvd534 [2]byte // ...
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Sgls uint32 // SGL Support
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Rsvd540 [1508]byte // ...
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Psd [32]nvmeIdentPowerState // Power State Descriptors
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Vs [1024]byte // Vendor Specific
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} // 4096 bytes
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type nvmeLBAF struct {
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Ms uint16
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Ds uint8
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Rp uint8
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}
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//nolint:deadcode
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type nvmeIdentNamespace struct {
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Nsze uint64
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Ncap uint64
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Nuse uint64
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Nsfeat uint8
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Nlbaf uint8
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Flbas uint8
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Mc uint8
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Dpc uint8
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Dps uint8
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Nmic uint8
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Rescap uint8
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Fpi uint8
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Rsvd33 uint8
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Nawun uint16
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Nawupf uint16
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Nacwu uint16
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Nabsn uint16
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Nabo uint16
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Nabspf uint16
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Rsvd46 [2]byte
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Nvmcap [16]byte
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Rsvd64 [40]byte
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Nguid [16]byte
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EUI64 [8]byte
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Lbaf [16]nvmeLBAF
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Rsvd192 [192]byte
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Vs [3712]byte
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} // 4096 bytes
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type nvmeSMARTLog struct {
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CritWarning uint8
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Temperature [2]uint8
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AvailSpare uint8
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SpareThresh uint8
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PercentUsed uint8
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Rsvd6 [26]byte
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DataUnitsRead [16]byte
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DataUnitsWritten [16]byte
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HostReads [16]byte
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HostWrites [16]byte
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CtrlBusyTime [16]byte
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PowerCycles [16]byte
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PowerOnHours [16]byte
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UnsafeShutdowns [16]byte
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MediaErrors [16]byte
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NumErrLogEntries [16]byte
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WarningTempTime uint32
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CritCompTime uint32
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TempSensor [8]uint16
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Rsvd216 [296]byte
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} // 512 bytes
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// NVMeDevice represents drive data about NVMe drives
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type NVMeDevice struct {
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Name string
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fd int
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}
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// Info contains S.M.A.R.T data about the drive
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type Info struct {
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Device string `json:"device"`
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Scsi *ScsiInfo `json:"scsi,omitempty"`
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Nvme *NvmeInfo `json:"nvme,omitempty"`
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Ata *AtaInfo `json:"ata,omitempty"`
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Error string `json:"error,omitempty"`
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}
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// AtaInfo contains ATA drive info
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type AtaInfo struct {
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LUWWNDeviceID string `json:"scsiLuWWNDeviceID,omitempty"`
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SerialNum string `json:"serialNum,omitempty"`
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ModelNum string `json:"modelNum,omitempty"`
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FirmwareRevision string `json:"firmwareRevision,omitempty"`
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RotationRate string `json:"RotationRate,omitempty"`
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ATAMajorVersion string `json:"MajorVersion,omitempty"`
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ATAMinorVersion string `json:"MinorVersion,omitempty"`
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SmartSupportAvailable bool `json:"smartSupportAvailable,omitempty"`
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SmartSupportEnabled bool `json:"smartSupportEnabled,omitempty"`
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ErrorLog string `json:"smartErrorLog,omitempty"`
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Transport string `json:"transport,omitempty"`
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}
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// ScsiInfo contains SCSI drive Info
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type ScsiInfo struct {
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CapacityBytes int64 `json:"scsiCapacityBytes,omitempty"`
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ModeSenseBuf string `json:"scsiModeSenseBuf,omitempty"`
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RespLen int64 `json:"scsirespLen,omitempty"`
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BdLen int64 `json:"scsiBdLen,omitempty"`
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Offset int64 `json:"scsiOffset,omitempty"`
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RPM int64 `json:"sciRpm,omitempty"`
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}
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// NvmeInfo contains NVMe drive info
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type NvmeInfo struct {
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SerialNum string `json:"serialNum,omitempty"`
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VendorID string `json:"vendorId,omitempty"`
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FirmwareVersion string `json:"firmwareVersion,omitempty"`
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ModelNum string `json:"modelNum,omitempty"`
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SpareAvailable string `json:"spareAvailable,omitempty"`
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SpareThreshold string `json:"spareThreshold,omitempty"`
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Temperature string `json:"temperature,omitempty"`
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CriticalWarning string `json:"criticalWarning,omitempty"`
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MaxDataTransferPages int `json:"maxDataTransferPages,omitempty"`
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ControllerBusyTime *big.Int `json:"controllerBusyTime,omitempty"`
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PowerOnHours *big.Int `json:"powerOnHours,omitempty"`
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PowerCycles *big.Int `json:"powerCycles,omitempty"`
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UnsafeShutdowns *big.Int `json:"unsafeShutdowns,omitempty"`
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MediaAndDataIntegrityErrors *big.Int `json:"mediaAndDataIntgerityErrors,omitempty"`
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DataUnitsReadBytes *big.Int `json:"dataUnitsReadBytes,omitempty"`
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DataUnitsWrittenBytes *big.Int `json:"dataUnitsWrittenBytes,omitempty"`
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HostReadCommands *big.Int `json:"hostReadCommands,omitempty"`
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HostWriteCommands *big.Int `json:"hostWriteCommands,omitempty"`
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}
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