add NVMe drive info [model num, serial num, drive temp. etc.] (#10613)
* add NVMe drive info [model num, serial num, drive temp. etc.] * Ignore fuse partitions * Add the nvme logic only for linux * Move smart/nvme structs to a separate file Co-authored-by: wlan0 <sidharthamn@gmail.com>master
Shireesh Anjal
4 years ago
committed by
GitHub
parent
017954e7ea
commit
f1418a50f0
@ -1,4 +1,4 @@ |
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// +build freebsd netbsd openbsd solaris
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// +build !linux
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/* |
/* |
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc. |
* MinIO Cloud Storage, (C) 2020 MinIO, Inc. |
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@ -1,3 +1,5 @@ |
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// +build !linux
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/* |
/* |
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc. |
* MinIO Cloud Storage, (C) 2020 MinIO, Inc. |
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* |
* |
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File diff suppressed because one or more lines are too long
@ -0,0 +1,89 @@ |
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// +build linux
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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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/* |
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* This file has been adopted and then modified from Daniel Swarbrick's smart |
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* project residing at https://github.com/dswarbrick/smart
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* |
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*/ |
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package smart |
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import ( |
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"fmt" |
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"math/big" |
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"unsafe" |
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"github.com/dswarbrick/smart/ioctl" |
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"golang.org/x/sys/unix" |
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) |
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// NVMe admin disk query constants
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const ( |
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NvmeAdminGetLogPage = 0x02 |
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NvmeAdminIdentify = 0x06 |
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) |
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var ( |
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nvmeIoctlAdminCmd = ioctl.Iowr('N', 0x41, unsafe.Sizeof(nvmePassthruCommand{})) |
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) |
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// NewNVMeDevice creates a new NVMeDevice struct with name
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func NewNVMeDevice(name string) *NVMeDevice { |
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return &NVMeDevice{name, -1} |
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} |
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// Open - open device file to find kernel info
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func (d *NVMeDevice) Open() (err error) { |
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d.fd, err = unix.Open(d.Name, unix.O_RDWR, 0600) |
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return err |
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} |
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// Close - closes device file
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func (d *NVMeDevice) Close() error { |
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return unix.Close(d.fd) |
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} |
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func (d *NVMeDevice) readLogPage(logID uint8, buf *[]byte) error { |
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bufLen := len(*buf) |
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if (bufLen < 4) || (bufLen > 0x4000) || (bufLen%4 != 0) { |
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return fmt.Errorf("Invalid buffer size") |
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} |
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cmd := nvmePassthruCommand{ |
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opcode: NvmeAdminGetLogPage, |
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nsid: 0xffffffff, // FIXME
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addr: uint64(uintptr(unsafe.Pointer(&(*buf)[0]))), |
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dataLen: uint32(bufLen), |
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cdw10: uint32(logID) | (((uint32(bufLen) / 4) - 1) << 16), |
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} |
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return ioctl.Ioctl(uintptr(d.fd), nvmeIoctlAdminCmd, uintptr(unsafe.Pointer(&cmd))) |
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} |
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// le128ToBigInt takes a little-endian 16-byte slice and returns a *big.Int representing it.
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func le128ToBigInt(buf [16]byte) *big.Int { |
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// Int.SetBytes() expects big-endian input, so reverse the bytes locally first
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rev := make([]byte, 16) |
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for x := 0; x < 16; x++ { |
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rev[x] = buf[16-x-1] |
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} |
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return new(big.Int).SetBytes(rev) |
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} |
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@ -0,0 +1,153 @@ |
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// +build linux
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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 ( |
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"bytes" |
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"encoding/binary" |
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"fmt" |
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"regexp" |
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"strings" |
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"unsafe" |
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"github.com/dswarbrick/smart/drivedb" |
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"github.com/dswarbrick/smart/ioctl" |
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"github.com/dswarbrick/smart/scsi" |
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"github.com/dswarbrick/smart/utils" |
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"gopkg.in/yaml.v2" |
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) |
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// GetInfo - gets info about device
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func GetInfo(device string) (Info, error) { |
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info := Info{ |
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Device: device, |
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} |
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var db drivedb.DriveDb |
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dec := yaml.NewDecoder(bytes.NewBuffer(MustAsset("drivedb.yaml"))) |
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err := dec.Decode(&db) |
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if err != nil { |
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return info, err |
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} |
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for i, d := range db.Drives { |
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db.Drives[i].CompiledRegexp, _ = regexp.Compile(d.ModelRegex) |
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} |
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if strings.HasPrefix(device, "/dev/nvme") { |
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d := NewNVMeDevice(device) |
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if err := d.Open(); err != nil { |
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return info, err |
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} |
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nvmeInfo, err := getNvmeInfo(d) |
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if err != nil { |
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return info, err |
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} |
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info.Nvme = nvmeInfo |
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return info, nil |
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} |
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d, err := scsi.OpenSCSIAutodetect(device) |
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if err != nil { |
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return info, err |
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} |
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switch dev := d.(type) { |
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case *scsi.SCSIDevice: |
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scsiInfo, err := getScsiInfo(dev) |
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if err != nil { |
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return info, err |
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} |
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info.Scsi = scsiInfo |
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case *scsi.SATDevice: |
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ataInfo, err := getAtaInfo(dev) |
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if err != nil { |
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return info, err |
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} |
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info.Ata = ataInfo |
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} |
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return info, nil |
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} |
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func getNvmeInfo(d *NVMeDevice) (*NvmeInfo, error) { |
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buf := make([]byte, 4096) |
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nvmeInfo := &NvmeInfo{} |
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cmd := nvmePassthruCommand{ |
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opcode: NvmeAdminIdentify, |
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nsid: 0, // Namespace 0, since we are identifying the controller
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addr: uint64(uintptr(unsafe.Pointer(&buf[0]))), |
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dataLen: uint32(len(buf)), |
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cdw10: 1, // Identify controller
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} |
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if err := ioctl.Ioctl(uintptr(d.fd), nvmeIoctlAdminCmd, uintptr(unsafe.Pointer(&cmd))); err != nil { |
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return nvmeInfo, err |
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} |
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var controller nvmeIdentController |
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binary.Read(bytes.NewBuffer(buf[:]), utils.NativeEndian, &controller) |
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nvmeInfo.VendorID = strings.TrimSpace(fmt.Sprintf("%#04x", controller.VendorID)) |
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nvmeInfo.ModelNum = strings.TrimSpace(fmt.Sprintf("%s", controller.ModelNumber)) |
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nvmeInfo.SerialNum = strings.TrimSpace(fmt.Sprintf("%s", controller.SerialNumber)) |
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nvmeInfo.FirmwareVersion = strings.TrimSpace(fmt.Sprintf("%s", controller.Firmware)) |
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nvmeInfo.MaxDataTransferPages = 1 << controller.Mdts |
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buf2 := make([]byte, 512) |
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// Read SMART log
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if err := d.readLogPage(0x02, &buf2); err != nil { |
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return nvmeInfo, err |
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} |
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var sl nvmeSMARTLog |
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binary.Read(bytes.NewBuffer(buf2[:]), utils.NativeEndian, &sl) |
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unitsRead := le128ToBigInt(sl.DataUnitsRead) |
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unitsWritten := le128ToBigInt(sl.DataUnitsWritten) |
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nvmeInfo.CriticalWarning = fmt.Sprintf("%x", sl.CritWarning) |
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nvmeInfo.Temperature = fmt.Sprintf("%d Celsius", |
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((uint16(sl.Temperature[1])<<8)|uint16(sl.Temperature[0]))-273) // Kelvin to degrees Celsius
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nvmeInfo.SpareAvailable = fmt.Sprintf("%d%%", sl.AvailSpare) |
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nvmeInfo.SpareThreshold = fmt.Sprintf("%d%%", sl.SpareThresh) |
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nvmeInfo.DataUnitsReadBytes = unitsRead |
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nvmeInfo.DataUnitsWrittenBytes = unitsWritten |
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nvmeInfo.HostReadCommands = le128ToBigInt(sl.HostReads) |
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nvmeInfo.HostWriteCommands = le128ToBigInt(sl.HostWrites) |
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nvmeInfo.ControllerBusyTime = le128ToBigInt(sl.CtrlBusyTime) |
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nvmeInfo.PowerCycles = le128ToBigInt(sl.PowerCycles) |
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nvmeInfo.PowerOnHours = le128ToBigInt(sl.PowerOnHours) |
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nvmeInfo.UnsafeShutdowns = le128ToBigInt(sl.UnsafeShutdowns) |
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nvmeInfo.MediaAndDataIntegrityErrors = le128ToBigInt(sl.MediaErrors) |
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return nvmeInfo, nil |
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} |
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func getScsiInfo(d *scsi.SCSIDevice) (*ScsiInfo, error) { |
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return &ScsiInfo{}, nil |
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} |
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func getAtaInfo(d *scsi.SATDevice) (*AtaInfo, error) { |
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return &AtaInfo{}, nil |
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} |
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@ -0,0 +1,239 @@ |
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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 |
||||||
|
DataUnitsWritten [16]byte |
||||||
|
HostReads [16]byte |
||||||
|
HostWrites [16]byte |
||||||
|
CtrlBusyTime [16]byte |
||||||
|
PowerCycles [16]byte |
||||||
|
PowerOnHours [16]byte |
||||||
|
UnsafeShutdowns [16]byte |
||||||
|
MediaErrors [16]byte |
||||||
|
NumErrLogEntries [16]byte |
||||||
|
WarningTempTime uint32 |
||||||
|
CritCompTime uint32 |
||||||
|
TempSensor [8]uint16 |
||||||
|
Rsvd216 [296]byte |
||||||
|
} // 512 bytes
|
||||||
|
|
||||||
|
// NVMeDevice represents drive data about NVMe drives
|
||||||
|
type NVMeDevice struct { |
||||||
|
Name string |
||||||
|
fd int |
||||||
|
} |
||||||
|
|
||||||
|
// Info contains S.M.A.R.T data about the drive
|
||||||
|
type Info struct { |
||||||
|
Device string `json:"device"` |
||||||
|
|
||||||
|
Scsi *ScsiInfo `json:"scsi,omitempty"` |
||||||
|
Nvme *NvmeInfo `json:"nvme,omitempty"` |
||||||
|
Ata *AtaInfo `json:"ata,omitempty"` |
||||||
|
|
||||||
|
Error string `json:"error,omitempty"` |
||||||
|
} |
||||||
|
|
||||||
|
// AtaInfo contains ATA drive info
|
||||||
|
type AtaInfo struct { |
||||||
|
LUWWNDeviceID string `json:"scsiLuWWNDeviceID,omitempty"` |
||||||
|
SerialNum string `json:"serialNum,omitempty"` |
||||||
|
ModelNum string `json:"modelNum,omitempty"` |
||||||
|
FirmwareRevision string `json:"firmwareRevision,omitempty"` |
||||||
|
RotationRate string `json:"RotationRate,omitempty"` |
||||||
|
ATAMajorVersion string `json:"MajorVersion,omitempty"` |
||||||
|
ATAMinorVersion string `json:"MinorVersion,omitempty"` |
||||||
|
SmartSupportAvailable bool `json:"smartSupportAvailable,omitempty"` |
||||||
|
SmartSupportEnabled bool `json:"smartSupportEnabled,omitempty"` |
||||||
|
ErrorLog string `json:"smartErrorLog,omitempty"` |
||||||
|
Transport string `json:"transport,omitempty"` |
||||||
|
} |
||||||
|
|
||||||
|
// ScsiInfo contains SCSI drive Info
|
||||||
|
type ScsiInfo struct { |
||||||
|
CapacityBytes int64 `json:"scsiCapacityBytes,omitempty"` |
||||||
|
ModeSenseBuf string `json:"scsiModeSenseBuf,omitempty"` |
||||||
|
RespLen int64 `json:"scsirespLen,omitempty"` |
||||||
|
BdLen int64 `json:"scsiBdLen,omitempty"` |
||||||
|
Offset int64 `json:"scsiOffset,omitempty"` |
||||||
|
RPM int64 `json:"sciRpm,omitempty"` |
||||||
|
} |
||||||
|
|
||||||
|
// NvmeInfo contains NVMe drive info
|
||||||
|
type NvmeInfo struct { |
||||||
|
SerialNum string `json:"serialNum,omitempty"` |
||||||
|
VendorID string `json:"vendorId,omitempty"` |
||||||
|
FirmwareVersion string `json:"firmwareVersion,omitempty"` |
||||||
|
ModelNum string `json:"modelNum,omitempty"` |
||||||
|
SpareAvailable string `json:"spareAvailable,omitempty"` |
||||||
|
SpareThreshold string `json:"spareThreshold,omitempty"` |
||||||
|
Temperature string `json:"temperature,omitempty"` |
||||||
|
CriticalWarning string `json:"criticalWarning,omitempty"` |
||||||
|
|
||||||
|
MaxDataTransferPages int `json:"maxDataTransferPages,omitempty"` |
||||||
|
ControllerBusyTime *big.Int `json:"controllerBusyTime,omitempty"` |
||||||
|
PowerOnHours *big.Int `json:"powerOnHours,omitempty"` |
||||||
|
PowerCycles *big.Int `json:"powerCycles,omitempty"` |
||||||
|
UnsafeShutdowns *big.Int `json:"unsafeShutdowns,omitempty"` |
||||||
|
MediaAndDataIntegrityErrors *big.Int `json:"mediaAndDataIntgerityErrors,omitempty"` |
||||||
|
DataUnitsReadBytes *big.Int `json:"dataUnitsReadBytes,omitempty"` |
||||||
|
DataUnitsWrittenBytes *big.Int `json:"dataUnitsWrittenBytes,omitempty"` |
||||||
|
HostReadCommands *big.Int `json:"hostReadCommands,omitempty"` |
||||||
|
HostWriteCommands *big.Int `json:"hostWriteCommands,omitempty"` |
||||||
|
} |
||||||
Loading…
Reference in new issue