Feature: Memory Banks (Windows Only)

When collecting HW informations about memory, it's also very useful to
know the physical memory banks and their specs

memory.go

@@ -11,11 +11,20 @@ import (
 	"math"
 )
 
+type MemoryModule struct {
+	Label        string `json:"label"`
+	Location     string `json:"location"`
+	SerialNumber string `json:"serial_number"`
+	SizeBytes    int64  `json:"size_bytes"`
+	Vendor       string `json:"vendor"`
+}
+
 type MemoryInfo struct {
 	TotalPhysicalBytes int64 `json:"total_physical_bytes"`
 	TotalUsableBytes   int64 `json:"total_usable_bytes"`
 	// An array of sizes, in bytes, of memory pages supported by the host
-	SupportedPageSizes []uint64 `json:"supported_page_sizes"`
+	SupportedPageSizes []uint64        `json:"supported_page_sizes"`
+	Modules            []*MemoryModule `json:"modules"`
 }
 
 func Memory(opts ...*WithOption) (*MemoryInfo, error) {

memory_windows.go

@@ -10,7 +10,7 @@ import (
 	"github.com/StackExchange/wmi"
 )
 
-const wmqlMemory = "SELECT FreePhysicalMemory, FreeSpaceInPagingFiles, FreeVirtualMemory, TotalSwapSpaceSize, TotalVirtualMemorySize, TotalVisibleMemorySize FROM Win32_OperatingSystem"
+const wqlOperatingSystem = "SELECT FreePhysicalMemory, FreeSpaceInPagingFiles, FreeVirtualMemory, TotalSwapSpaceSize, TotalVirtualMemorySize, TotalVisibleMemorySize FROM Win32_OperatingSystem"
 
 type win32OperatingSystem struct {
 	FreePhysicalMemory     uint64
@@ -21,12 +21,47 @@ type win32OperatingSystem struct {
 	TotalVisibleMemorySize uint64
 }
 
+const wqlPhysicalMemory = "SELECT BankLabel, Capacity, DataWidth, Description, DeviceLocator, Manufacturer, Model, Name, PartNumber, PositionInRow, SerialNumber, Speed, Tag, TotalWidth FROM Win32_PhysicalMemory"
+
+type win32PhysicalMemory struct {
+	BankLabel     string
+	Capacity      uint64
+	DataWidth     uint16
+	Description   string
+	DeviceLocator string
+	Manufacturer  string
+	Model         string
+	Name          string
+	PartNumber    string
+	PositionInRow uint32
+	SerialNumber  string
+	Speed         uint32
+	Tag           string
+	TotalWidth    uint16
+}
+
 func (ctx *context) memFillInfo(info *MemoryInfo) error {
 	// Getting info from WMI
 	var win32OSDescriptions []win32OperatingSystem
-	if err := wmi.Query(wmqlMemory, &win32OSDescriptions); err != nil {
+	if err := wmi.Query(wqlOperatingSystem, &win32OSDescriptions); err != nil {
 		return err
 	}
+	var win32MemDescriptions []win32PhysicalMemory
+	if err := wmi.Query(wqlPhysicalMemory, &win32MemDescriptions); err != nil {
+		return err
+	}
+	// Converting into standard structures
+	// Handling physical memory modules
+	info.Modules = make([]*MemoryModule, 0, len(win32MemDescriptions))
+	for _, description := range win32MemDescriptions {
+		info.Modules = append(info.Modules, &MemoryModule{
+			Label:        description.BankLabel,
+			Location:     description.DeviceLocator,
+			SerialNumber: description.SerialNumber,
+			SizeBytes:    int64(description.Capacity),
+			Vendor:       description.Manufacturer,
+		})
+	}
 	// Handling physical memory total/free size (as seen by OS)
 	var totalUsableBytes uint64
 	var totalPhysicalBytes uint64