$ go env
 GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/dba/.cache/go-build"
GOENV="/home/dba/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/dba/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/dba/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.16.9"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/mnt/projects/test/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2403385863=/tmp/go-build -gno-record-gcc-switches"

// +build windows
package main
import (

"fmt"

"syscall"

"unsafe"
"golang.org/x/sys/windows"

)
type diskPerformance struct {

BytesRead           int64

BytesWritten        int64

ReadTime            int64

WriteTime           int64

IdleTime            int64

ReadCount           uint32

WriteCount          uint32

QueueDepth          uint32

SplitCount          uint32

QueryTime           int64

StorageDeviceNumber uint32

StorageManagerName  [8]uint16

alignmentPadding    uint32 // necessary for 32bit support, see elastic/beats#16553

}
func main() {

maps()

}

func maps() {

var diskPerformance diskPerformance

lpBuffer := make([]uint16, 254)

lpBufferLen, err := windows.GetLogicalDriveStrings(uint32(len(lpBuffer)), &lpBuffer[0])

if err != nil {

fmt.Println("1", err)

return

}

for _, v := range lpBuffer[:lpBufferLen] {

if 'A' <= v && v <= 'Z' {

path := string(rune(v)) + ":"

typepath, _ := windows.UTF16PtrFromString(path)

typeret := windows.GetDriveType(typepath)

if typeret == 0 {

fmt.Println("2", windows.GetLastError())

return

}

if typeret != windows.DRIVE_FIXED {

continue

}

szDevice := fmt.Sprintf(\\.\%s, path)

const IOCTL_DISK_PERFORMANCE = 0x70020

h, err := windows.CreateFile(syscall.StringToUTF16Ptr(szDevice), 0, windows.FILE_SHARE_READ|windows.FILE_SHARE_WRITE, nil, windows.OPEN_EXISTING, 0, 0)

if err != nil {

fmt.Println("3", err)

if err == windows.ERROR_FILE_NOT_FOUND {

continue

}

return

}

defer windows.CloseHandle(h)

var diskPerformanceSize uint32

err = windows.DeviceIoControl(h, IOCTL_DISK_PERFORMANCE, nil, 0, (*byte)(unsafe.Pointer(&diskPerformance)), uint32(unsafe.Sizeof(diskPerformance)), &diskPerformanceSize, nil)

if err != nil {

fmt.Println("4", err)

return

}

fmt.Println(diskPerformanceSize)

}

}

return

}