chore(api): refactor nodes/vms/vms_types.go: split into multiple files (#1368)

Split all `Custom*` structs and marshaling code into separate files from `vms_types.go`

Signed-off-by: Pavel Boldyrev <627562+bpg@users.noreply.github.com>

proxmox/nodes/vms/custom_agent.go

@@ -0,0 +1,87 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomAgent handles QEMU agent parameters.
+type CustomAgent struct {
+	Enabled         *types.CustomBool `json:"enabled,omitempty"   url:"enabled,int"`
+	TrimClonedDisks *types.CustomBool `json:"fstrim_cloned_disks" url:"fstrim_cloned_disks,int"`
+	Type            *string           `json:"type"                url:"type"`
+}
+
+// EncodeValues converts a CustomAgent struct to a URL value.
+func (r *CustomAgent) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.Enabled != nil {
+		if *r.Enabled {
+			values = append(values, "enabled=1")
+		} else {
+			values = append(values, "enabled=0")
+		}
+	}
+
+	if r.TrimClonedDisks != nil {
+		if *r.TrimClonedDisks {
+			values = append(values, "fstrim_cloned_disks=1")
+		} else {
+			values = append(values, "fstrim_cloned_disks=0")
+		}
+	}
+
+	if r.Type != nil {
+		values = append(values, fmt.Sprintf("type=%s", *r.Type))
+	}
+
+	if len(values) > 0 {
+		v.Add(key, strings.Join(values, ","))
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomAgent string to an object.
+func (r *CustomAgent) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomAgent: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 1 {
+			enabled := types.CustomBool(v[0] == "1")
+			r.Enabled = &enabled
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "enabled":
+				enabled := types.CustomBool(v[1] == "1")
+				r.Enabled = &enabled
+			case "fstrim_cloned_disks":
+				fstrim := types.CustomBool(v[1] == "1")
+				r.TrimClonedDisks = &fstrim
+			case "type":
+				r.Type = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_audio_device.go

@@ -0,0 +1,76 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// CustomAudioDevice handles QEMU audio parameters.
+type CustomAudioDevice struct {
+	Device  string  `json:"device" url:"device"`
+	Driver  *string `json:"driver" url:"driver"`
+	Enabled bool    `json:"-"      url:"-"`
+}
+
+// CustomAudioDevices handles QEMU audio device parameters.
+type CustomAudioDevices []CustomAudioDevice
+
+// EncodeValues converts a CustomAudioDevice struct to a URL value.
+func (r *CustomAudioDevice) EncodeValues(key string, v *url.Values) error {
+	values := []string{fmt.Sprintf("device=%s", r.Device)}
+
+	if r.Driver != nil {
+		values = append(values, fmt.Sprintf("driver=%s", *r.Driver))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomAudioDevice string to an object.
+func (r *CustomAudioDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomAudioDevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "device":
+				r.Device = v[1]
+			case "driver":
+				r.Driver = &v[1]
+			}
+		}
+	}
+
+	return nil
+}
+
+// EncodeValues converts a CustomAudioDevices array to multiple URL values.
+func (r CustomAudioDevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if d.Enabled {
+			if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+				return fmt.Errorf("unable to encode audio device %d: %w", i, err)
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_boot.go

@@ -0,0 +1,52 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// CustomBoot handles QEMU boot parameters.
+type CustomBoot struct {
+	Order *[]string `json:"order,omitempty" url:"order,omitempty,semicolon"`
+}
+
+// EncodeValues converts a CustomBoot struct to multiple URL values.
+func (r *CustomBoot) EncodeValues(key string, v *url.Values) error {
+	if r.Order != nil && len(*r.Order) > 0 {
+		v.Add(key, fmt.Sprintf("order=%s", strings.Join(*r.Order, ";")))
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomBoot string to an object.
+func (r *CustomBoot) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomBoot: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			if v[0] == "order" {
+				o := strings.Split(strings.TrimSpace(v[1]), ";")
+				r.Order = &o
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_cloud_init.go

@@ -0,0 +1,210 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// CustomCloudInitConfig handles QEMU cloud-init parameters.
+type CustomCloudInitConfig struct {
+	Files        *CustomCloudInitFiles     `json:"cicustom,omitempty"     url:"cicustom,omitempty"`
+	IPConfig     []CustomCloudInitIPConfig `json:"ipconfig,omitempty"     url:"ipconfig,omitempty,numbered"`
+	Nameserver   *string                   `json:"nameserver,omitempty"   url:"nameserver,omitempty"`
+	Password     *string                   `json:"cipassword,omitempty"   url:"cipassword,omitempty"`
+	SearchDomain *string                   `json:"searchdomain,omitempty" url:"searchdomain,omitempty"`
+	SSHKeys      *CustomCloudInitSSHKeys   `json:"sshkeys,omitempty"      url:"sshkeys,omitempty"`
+	Type         *string                   `json:"citype,omitempty"       url:"citype,omitempty"`
+	// Can't be reliably set, it is TRUE by default in PVE
+	// Upgrade      *types.CustomBool         `json:"ciupgrade,omitempty"    url:"ciupgrade,omitempty,int"`
+	Username *string `json:"ciuser,omitempty" url:"ciuser,omitempty"`
+}
+
+// CustomCloudInitFiles handles QEMU cloud-init custom files parameters.
+type CustomCloudInitFiles struct {
+	MetaVolume    *string `json:"meta,omitempty"    url:"meta,omitempty"`
+	NetworkVolume *string `json:"network,omitempty" url:"network,omitempty"`
+	UserVolume    *string `json:"user,omitempty"    url:"user,omitempty"`
+	VendorVolume  *string `json:"vendor,omitempty"  url:"vendor,omitempty"`
+}
+
+// CustomCloudInitIPConfig handles QEMU cloud-init IP configuration parameters.
+type CustomCloudInitIPConfig struct {
+	GatewayIPv4 *string `json:"gw,omitempty"  url:"gw,omitempty"`
+	GatewayIPv6 *string `json:"gw6,omitempty" url:"gw6,omitempty"`
+	IPv4        *string `json:"ip,omitempty"  url:"ip,omitempty"`
+	IPv6        *string `json:"ip6,omitempty" url:"ip6,omitempty"`
+}
+
+// CustomCloudInitSSHKeys handles QEMU cloud-init SSH keys parameters.
+type CustomCloudInitSSHKeys []string
+
+// EncodeValues converts a CustomCloudInitConfig struct to multiple URL values.
+func (r CustomCloudInitConfig) EncodeValues(_ string, v *url.Values) error {
+	//nolint:nestif
+	if r.Files != nil {
+		var volumes []string
+
+		if r.Files.MetaVolume != nil {
+			volumes = append(volumes, fmt.Sprintf("meta=%s", *r.Files.MetaVolume))
+		}
+
+		if r.Files.NetworkVolume != nil {
+			volumes = append(volumes, fmt.Sprintf("network=%s", *r.Files.NetworkVolume))
+		}
+
+		if r.Files.UserVolume != nil {
+			volumes = append(volumes, fmt.Sprintf("user=%s", *r.Files.UserVolume))
+		}
+
+		if r.Files.VendorVolume != nil {
+			volumes = append(volumes, fmt.Sprintf("vendor=%s", *r.Files.VendorVolume))
+		}
+
+		if len(volumes) > 0 {
+			v.Add("cicustom", strings.Join(volumes, ","))
+		}
+	}
+
+	for i, c := range r.IPConfig {
+		var config []string
+
+		if c.GatewayIPv4 != nil {
+			config = append(config, fmt.Sprintf("gw=%s", *c.GatewayIPv4))
+		}
+
+		if c.GatewayIPv6 != nil {
+			config = append(config, fmt.Sprintf("gw6=%s", *c.GatewayIPv6))
+		}
+
+		if c.IPv4 != nil {
+			config = append(config, fmt.Sprintf("ip=%s", *c.IPv4))
+		}
+
+		if c.IPv6 != nil {
+			config = append(config, fmt.Sprintf("ip6=%s", *c.IPv6))
+		}
+
+		if len(config) > 0 {
+			v.Add(fmt.Sprintf("ipconfig%d", i), strings.Join(config, ","))
+		}
+	}
+
+	if r.Nameserver != nil {
+		v.Add("nameserver", *r.Nameserver)
+	}
+
+	if r.Password != nil {
+		v.Add("cipassword", *r.Password)
+	}
+
+	if r.SearchDomain != nil {
+		v.Add("searchdomain", *r.SearchDomain)
+	}
+
+	if r.SSHKeys != nil {
+		v.Add(
+			"sshkeys",
+			strings.ReplaceAll(url.QueryEscape(strings.Join(*r.SSHKeys, "\n")), "+", "%20"),
+		)
+	}
+
+	if r.Type != nil {
+		v.Add("citype", *r.Type)
+	}
+
+	if r.Username != nil {
+		v.Add("ciuser", *r.Username)
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomCloudInitFiles string to an object.
+func (r *CustomCloudInitFiles) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomCloudInitFiles: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "meta":
+				r.MetaVolume = &v[1]
+			case "network":
+				r.NetworkVolume = &v[1]
+			case "user":
+				r.UserVolume = &v[1]
+			case "vendor":
+				r.VendorVolume = &v[1]
+			}
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomCloudInitIPConfig string to an object.
+func (r *CustomCloudInitIPConfig) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomCloudInitIPConfig: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "gw":
+				r.GatewayIPv4 = &v[1]
+			case "gw6":
+				r.GatewayIPv6 = &v[1]
+			case "ip":
+				r.IPv4 = &v[1]
+			case "ip6":
+				r.IPv6 = &v[1]
+			}
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomCloudInitFiles string to an object.
+func (r *CustomCloudInitSSHKeys) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomCloudInitSSHKeys: %w", err)
+	}
+
+	s, err := url.QueryUnescape(s)
+	if err != nil {
+		return fmt.Errorf("error unescaping CustomCloudInitSSHKeys: %w", err)
+	}
+
+	if s != "" {
+		*r = strings.Split(strings.TrimSpace(s), "\n")
+	} else {
+		*r = []string{}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_cpu_emulation.go

@@ -0,0 +1,95 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomCPUEmulation handles QEMU CPU emulation parameters.
+type CustomCPUEmulation struct {
+	Flags      *[]string         `json:"flags,omitempty"        url:"flags,omitempty,semicolon"`
+	Hidden     *types.CustomBool `json:"hidden,omitempty"       url:"hidden,omitempty,int"`
+	HVVendorID *string           `json:"hv-vendor-id,omitempty" url:"hv-vendor-id,omitempty"`
+	Type       string            `json:"cputype,omitempty"      url:"cputype,omitempty"`
+}
+
+// EncodeValues converts a CustomCPUEmulation struct to a URL value.
+func (r *CustomCPUEmulation) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("cputype=%s", r.Type),
+	}
+
+	if r.Flags != nil && len(*r.Flags) > 0 {
+		values = append(values, fmt.Sprintf("flags=%s", strings.Join(*r.Flags, ";")))
+	}
+
+	if r.Hidden != nil {
+		if *r.Hidden {
+			values = append(values, "hidden=1")
+		} else {
+			values = append(values, "hidden=0")
+		}
+	}
+
+	if r.HVVendorID != nil {
+		values = append(values, fmt.Sprintf("hv-vendor-id=%s", *r.HVVendorID))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomCPUEmulation string to an object.
+func (r *CustomCPUEmulation) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("error unmarshalling CustomCPUEmulation: %w", err)
+	}
+
+	if s == "" {
+		return errors.New("unexpected empty string")
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 1 {
+			r.Type = v[0]
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "cputype":
+				r.Type = v[1]
+			case "flags":
+				if v[1] != "" {
+					f := strings.Split(v[1], ";")
+					r.Flags = &f
+				} else {
+					var f []string
+					r.Flags = &f
+				}
+			case "hidden":
+				bv := types.CustomBool(v[1] == "1")
+				r.Hidden = &bv
+			case "hv-vendor-id":
+				r.HVVendorID = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_efi_disk.go

@@ -0,0 +1,87 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomEFIDisk handles QEMU EFI disk parameters.
+type CustomEFIDisk struct {
+	FileVolume      string            `json:"file"                        url:"file"`
+	Format          *string           `json:"format,omitempty"            url:"format,omitempty"`
+	Type            *string           `json:"efitype,omitempty"           url:"efitype,omitempty"`
+	PreEnrolledKeys *types.CustomBool `json:"pre-enrolled-keys,omitempty" url:"pre-enrolled-keys,omitempty,int"`
+}
+
+// EncodeValues converts a CustomEFIDisk struct to a URL value.
+func (r *CustomEFIDisk) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("file=%s", r.FileVolume),
+	}
+
+	if r.Format != nil {
+		values = append(values, fmt.Sprintf("format=%s", *r.Format))
+	}
+
+	if r.Type != nil {
+		values = append(values, fmt.Sprintf("efitype=%s", *r.Type))
+	}
+
+	if r.PreEnrolledKeys != nil {
+		if *r.PreEnrolledKeys {
+			values = append(values, "pre-enrolled-keys=1")
+		} else {
+			values = append(values, "pre-enrolled-keys=0")
+		}
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomEFIDisk string to an object.
+func (r *CustomEFIDisk) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomEFIDisk: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for i, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 1 && i == 0 {
+			r.FileVolume = v[0]
+		}
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "file":
+				r.FileVolume = v[1]
+			case "format":
+				r.Format = &v[1]
+			case "efitype":
+				t := strings.ToLower(v[1])
+				r.Type = &t
+			case "pre-enrolled-keys":
+				bv := types.CustomBool(v[1] == "1")
+				r.PreEnrolledKeys = &bv
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_network_device.go

@@ -0,0 +1,191 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomNetworkDevice handles QEMU network device parameters.
+type CustomNetworkDevice struct {
+	Enabled    bool              `json:"-"                   url:"-"`
+	Bridge     *string           `json:"bridge,omitempty"    url:"bridge,omitempty"`
+	Firewall   *types.CustomBool `json:"firewall,omitempty"  url:"firewall,omitempty,int"`
+	LinkDown   *types.CustomBool `json:"link_down,omitempty" url:"link_down,omitempty,int"`
+	MACAddress *string           `json:"macaddr,omitempty"   url:"macaddr,omitempty"`
+	MTU        *int              `json:"mtu,omitempty"       url:"mtu,omitempty"`
+	Model      string            `json:"model"               url:"model"`
+	Queues     *int              `json:"queues,omitempty"    url:"queues,omitempty"`
+	RateLimit  *float64          `json:"rate,omitempty"      url:"rate,omitempty"`
+	Tag        *int              `json:"tag,omitempty"       url:"tag,omitempty"`
+	Trunks     []int             `json:"trunks,omitempty"    url:"trunks,omitempty"`
+}
+
+// CustomNetworkDevices handles QEMU network device parameters.
+type CustomNetworkDevices []CustomNetworkDevice
+
+// EncodeValues converts a CustomNetworkDevice struct to a URL value.
+func (r *CustomNetworkDevice) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("model=%s", r.Model),
+	}
+
+	if r.Bridge != nil {
+		values = append(values, fmt.Sprintf("bridge=%s", *r.Bridge))
+	}
+
+	if r.Firewall != nil {
+		if *r.Firewall {
+			values = append(values, "firewall=1")
+		} else {
+			values = append(values, "firewall=0")
+		}
+	}
+
+	if r.LinkDown != nil {
+		if *r.LinkDown {
+			values = append(values, "link_down=1")
+		} else {
+			values = append(values, "link_down=0")
+		}
+	}
+
+	if r.MACAddress != nil {
+		values = append(values, fmt.Sprintf("macaddr=%s", *r.MACAddress))
+	}
+
+	if r.Queues != nil {
+		values = append(values, fmt.Sprintf("queues=%d", *r.Queues))
+	}
+
+	if r.RateLimit != nil {
+		values = append(values, fmt.Sprintf("rate=%f", *r.RateLimit))
+	}
+
+	if r.Tag != nil {
+		values = append(values, fmt.Sprintf("tag=%d", *r.Tag))
+	}
+
+	if r.MTU != nil {
+		values = append(values, fmt.Sprintf("mtu=%d", *r.MTU))
+	}
+
+	if len(r.Trunks) > 0 {
+		trunks := make([]string, len(r.Trunks))
+
+		for i, v := range r.Trunks {
+			trunks[i] = strconv.Itoa(v)
+		}
+
+		values = append(values, fmt.Sprintf("trunks=%s", strings.Join(trunks, ";")))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// EncodeValues converts a CustomNetworkDevices array to multiple URL values.
+func (r CustomNetworkDevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if d.Enabled {
+			if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+				return fmt.Errorf("failed to encode network device %d: %w", i, err)
+			}
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomNetworkDevice string to an object.
+func (r *CustomNetworkDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomNetworkDevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		//nolint:nestif
+		if len(v) == 2 {
+			switch v[0] {
+			case "bridge":
+				r.Bridge = &v[1]
+			case "firewall":
+				bv := types.CustomBool(v[1] == "1")
+				r.Firewall = &bv
+			case "link_down":
+				bv := types.CustomBool(v[1] == "1")
+				r.LinkDown = &bv
+			case "macaddr":
+				r.MACAddress = &v[1]
+			case "model":
+				r.Model = v[1]
+			case "queues":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse queues: %w", err)
+				}
+
+				r.Queues = &iv
+			case "rate":
+				fv, err := strconv.ParseFloat(v[1], 64)
+				if err != nil {
+					return fmt.Errorf("failed to parse rate: %w", err)
+				}
+
+				r.RateLimit = &fv
+
+			case "mtu":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse mtu: %w", err)
+				}
+
+				r.MTU = &iv
+
+			case "tag":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse tag: %w", err)
+				}
+
+				r.Tag = &iv
+			case "trunks":
+				trunks := strings.Split(v[1], ";")
+				r.Trunks = make([]int, len(trunks))
+
+				for i, trunk := range trunks {
+					iv, err := strconv.Atoi(trunk)
+					if err != nil {
+						return fmt.Errorf("failed to parse trunk %d: %w", i, err)
+					}
+
+					r.Trunks[i] = iv
+				}
+			default:
+				r.MACAddress = &v[1]
+				r.Model = v[0]
+			}
+		}
+	}
+
+	r.Enabled = true
+
+	return nil
+}

proxmox/nodes/vms/custom_numa_device.go

@@ -0,0 +1,95 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// CustomNUMADevice handles QEMU NUMA device parameters.
+type CustomNUMADevice struct {
+	CPUIDs        []string  `json:"cpus"                url:"cpus,semicolon"`
+	HostNodeNames *[]string `json:"hostnodes,omitempty" url:"hostnodes,omitempty,semicolon"`
+	Memory        *int      `json:"memory,omitempty"    url:"memory,omitempty"`
+	Policy        *string   `json:"policy,omitempty"    url:"policy,omitempty"`
+}
+
+// CustomNUMADevices handles QEMU NUMA device parameters.
+type CustomNUMADevices []CustomNUMADevice
+
+// EncodeValues converts a CustomNUMADevice struct to a URL value.
+func (r *CustomNUMADevice) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("cpus=%s", strings.Join(r.CPUIDs, ";")),
+	}
+
+	if r.HostNodeNames != nil {
+		values = append(values, fmt.Sprintf("hostnodes=%s", strings.Join(*r.HostNodeNames, ";")))
+	}
+
+	if r.Memory != nil {
+		values = append(values, fmt.Sprintf("memory=%d", *r.Memory))
+	}
+
+	if r.Policy != nil {
+		values = append(values, fmt.Sprintf("policy=%s", *r.Policy))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// EncodeValues converts a CustomNUMADevices array to multiple URL values.
+func (r CustomNUMADevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+			return fmt.Errorf("failed to encode NUMA device %d: %w", i, err)
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomNUMADevice string to an object.
+func (r *CustomNUMADevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomNUMADevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+		if len(v) == 2 {
+			switch v[0] {
+			case "cpus":
+				r.CPUIDs = strings.Split(v[1], ";")
+			case "hostnodes":
+				hostnodes := strings.Split(v[1], ";")
+				r.HostNodeNames = &hostnodes
+			case "memory":
+				memory, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse memory size: %w", err)
+				}
+
+				r.Memory = &memory
+			case "policy":
+				r.Policy = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_numa_device_test.go

@@ -0,0 +1,54 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"testing"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/helpers/ptr"
+)
+
+func TestCustomNUMADevice_UnmarshalJSON(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		line    string
+		want    *CustomNUMADevice
+		wantErr bool
+	}{
+		{
+			name: "numa device all options",
+			line: `"cpus=1-2;3-4,hostnodes=1-2,memory=1024,policy=preferred"`,
+			want: &CustomNUMADevice{
+				CPUIDs:        []string{"1-2", "3-4"},
+				HostNodeNames: &[]string{"1-2"},
+				Memory:        ptr.Ptr(1024),
+				Policy:        ptr.Ptr("preferred"),
+			},
+		},
+		{
+			name: "numa device cpus/memory only",
+			line: `"cpus=1-2,memory=1024"`,
+			want: &CustomNUMADevice{
+				CPUIDs: []string{"1-2"},
+				Memory: ptr.Ptr(1024),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			r := &CustomNUMADevice{}
+			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
+				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

proxmox/nodes/vms/custom_pci_device.go

@@ -0,0 +1,136 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomPCIDevice handles QEMU host PCI device mapping parameters.
+type CustomPCIDevice struct {
+	DeviceIDs  *[]string         `json:"host,omitempty"    url:"host,omitempty,semicolon"`
+	Mapping    *string           `json:"mapping,omitempty" url:"mapping,omitempty"`
+	MDev       *string           `json:"mdev,omitempty"    url:"mdev,omitempty"`
+	PCIExpress *types.CustomBool `json:"pcie,omitempty"    url:"pcie,omitempty,int"`
+	ROMBAR     *types.CustomBool `json:"rombar,omitempty"  url:"rombar,omitempty,int"`
+	ROMFile    *string           `json:"romfile,omitempty" url:"romfile,omitempty"`
+	XVGA       *types.CustomBool `json:"x-vga,omitempty"   url:"x-vga,omitempty,int"`
+}
+
+// CustomPCIDevices handles QEMU host PCI device mapping parameters.
+type CustomPCIDevices []CustomPCIDevice
+
+// EncodeValues converts a CustomPCIDevice struct to a URL value.
+func (r *CustomPCIDevice) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.DeviceIDs == nil && r.Mapping == nil {
+		return fmt.Errorf("either device ID or resource mapping must be set")
+	}
+
+	if r.DeviceIDs != nil {
+		values = append(values, fmt.Sprintf("host=%s", strings.Join(*r.DeviceIDs, ";")))
+	}
+
+	if r.Mapping != nil {
+		values = append(values, fmt.Sprintf("mapping=%s", *r.Mapping))
+	}
+
+	if r.MDev != nil {
+		values = append(values, fmt.Sprintf("mdev=%s", *r.MDev))
+	}
+
+	if r.PCIExpress != nil {
+		if *r.PCIExpress {
+			values = append(values, "pcie=1")
+		} else {
+			values = append(values, "pcie=0")
+		}
+	}
+
+	if r.ROMBAR != nil {
+		if *r.ROMBAR {
+			values = append(values, "rombar=1")
+		} else {
+			values = append(values, "rombar=0")
+		}
+	}
+
+	if r.ROMFile != nil {
+		values = append(values, fmt.Sprintf("romfile=%s", *r.ROMFile))
+	}
+
+	if r.XVGA != nil {
+		if *r.XVGA {
+			values = append(values, "x-vga=1")
+		} else {
+			values = append(values, "x-vga=0")
+		}
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// EncodeValues converts a CustomPCIDevices array to multiple URL values.
+func (r CustomPCIDevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+			return fmt.Errorf("failed to encode PCI device %d: %w", i, err)
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomPCIDevice string to an object.
+func (r *CustomPCIDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomPCIDevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+		if len(v) == 1 {
+			dIDs := strings.Split(v[0], ";")
+			r.DeviceIDs = &dIDs
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "host":
+				dIDs := strings.Split(v[1], ";")
+				r.DeviceIDs = &dIDs
+			case "mapping":
+				r.Mapping = &v[1]
+			case "mdev":
+				r.MDev = &v[1]
+			case "pcie":
+				bv := types.CustomBool(v[1] == "1")
+				r.PCIExpress = &bv
+			case "rombar":
+				bv := types.CustomBool(v[1] == "1")
+				r.ROMBAR = &bv
+			case "romfile":
+				r.ROMFile = &v[1]
+			case "x-vga":
+				bv := types.CustomBool(v[1] == "1")
+				r.XVGA = &bv
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_pci_device_test.go

@@ -0,0 +1,73 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/helpers/ptr"
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+func TestCustomPCIDevice_UnmarshalJSON(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		line    string
+		want    *CustomPCIDevice
+		wantErr bool
+	}{
+		{
+			name: "id only pci device",
+			line: `"0000:81:00.2"`,
+			want: &CustomPCIDevice{
+				DeviceIDs: &[]string{"0000:81:00.2"},
+			},
+		},
+		{
+			name: "pci device with more details",
+			line: `"host=81:00.4,pcie=0,rombar=1,x-vga=0"`,
+			want: &CustomPCIDevice{
+				DeviceIDs:  &[]string{"81:00.4"},
+				MDev:       nil,
+				PCIExpress: types.CustomBool(false).Pointer(),
+				ROMBAR:     types.CustomBool(true).Pointer(),
+				ROMFile:    nil,
+				XVGA:       types.CustomBool(false).Pointer(),
+			},
+		},
+		{
+			name: "pci device with mapping",
+			line: `"mapping=mappeddevice,pcie=0,rombar=1,x-vga=0"`,
+			want: &CustomPCIDevice{
+				DeviceIDs:  nil,
+				Mapping:    ptr.Ptr("mappeddevice"),
+				MDev:       nil,
+				PCIExpress: types.CustomBool(false).Pointer(),
+				ROMBAR:     types.CustomBool(true).Pointer(),
+				ROMFile:    nil,
+				XVGA:       types.CustomBool(false).Pointer(),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			r := &CustomPCIDevice{}
+			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
+				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			require.Equal(t, tt.want, r)
+		})
+	}
+}

proxmox/nodes/vms/custom_serial_device.go

@@ -0,0 +1,24 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// CustomSerialDevices handles QEMU serial device parameters.
+type CustomSerialDevices []string
+
+// EncodeValues converts a CustomSerialDevices array to multiple URL values.
+func (r CustomSerialDevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		v.Add(fmt.Sprintf("%s%d", key, i), d)
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_shared_memory.go

@@ -0,0 +1,67 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// CustomSharedMemory handles QEMU Inter-VM shared memory parameters.
+type CustomSharedMemory struct {
+	Name *string `json:"name,omitempty" url:"name,omitempty"`
+	Size int     `json:"size"           url:"size"`
+}
+
+// EncodeValues converts a CustomSharedMemory struct to a URL value.
+func (r *CustomSharedMemory) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("size=%d", r.Size),
+	}
+
+	if r.Name != nil {
+		values = append(values, fmt.Sprintf("name=%s", *r.Name))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomSharedMemory string to an object.
+func (r *CustomSharedMemory) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomSharedMemory: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "name":
+				r.Name = &v[1]
+			case "size":
+				var err error
+
+				r.Size, err = strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse shared memory size: %w", err)
+				}
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_smbios.go

@@ -0,0 +1,114 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomSMBIOS handles QEMU SMBIOS parameters.
+type CustomSMBIOS struct {
+	Base64       *types.CustomBool `json:"base64,omitempty"       url:"base64,omitempty,int"`
+	Family       *string           `json:"family,omitempty"       url:"family,omitempty"`
+	Manufacturer *string           `json:"manufacturer,omitempty" url:"manufacturer,omitempty"`
+	Product      *string           `json:"product,omitempty"      url:"product,omitempty"`
+	Serial       *string           `json:"serial,omitempty"       url:"serial,omitempty"`
+	SKU          *string           `json:"sku,omitempty"          url:"sku,omitempty"`
+	UUID         *string           `json:"uuid,omitempty"         url:"uuid,omitempty"`
+	Version      *string           `json:"version,omitempty"      url:"version,omitempty"`
+}
+
+// EncodeValues converts a CustomSMBIOS struct to a URL value.
+func (r *CustomSMBIOS) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.Base64 != nil {
+		if *r.Base64 {
+			values = append(values, "base64=1")
+		} else {
+			values = append(values, "base64=0")
+		}
+	}
+
+	if r.Family != nil {
+		values = append(values, fmt.Sprintf("family=%s", *r.Family))
+	}
+
+	if r.Manufacturer != nil {
+		values = append(values, fmt.Sprintf("manufacturer=%s", *r.Manufacturer))
+	}
+
+	if r.Product != nil {
+		values = append(values, fmt.Sprintf("product=%s", *r.Product))
+	}
+
+	if r.Serial != nil {
+		values = append(values, fmt.Sprintf("serial=%s", *r.Serial))
+	}
+
+	if r.SKU != nil {
+		values = append(values, fmt.Sprintf("sku=%s", *r.SKU))
+	}
+
+	if r.UUID != nil {
+		values = append(values, fmt.Sprintf("uuid=%s", *r.UUID))
+	}
+
+	if r.Version != nil {
+		values = append(values, fmt.Sprintf("version=%s", *r.Version))
+	}
+
+	if len(values) > 0 {
+		v.Add(key, strings.Join(values, ","))
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomSMBIOS string to an object.
+func (r *CustomSMBIOS) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomSMBIOS: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.SplitN(strings.TrimSpace(p), "=", 2)
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "base64":
+				base64 := types.CustomBool(v[1] == "1")
+				r.Base64 = &base64
+			case "family":
+				r.Family = &v[1]
+			case "manufacturer":
+				r.Manufacturer = &v[1]
+			case "product":
+				r.Product = &v[1]
+			case "serial":
+				r.Serial = &v[1]
+			case "sku":
+				r.SKU = &v[1]
+			case "uuid":
+				r.UUID = &v[1]
+			case "version":
+				r.Version = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_spice_enhancements.go

@@ -0,0 +1,72 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomSpiceEnhancements handles QEMU spice enhancement parameters.
+type CustomSpiceEnhancements struct {
+	FolderSharing  *types.CustomBool `json:"foldersharing,omitempty"  url:"foldersharing,omitempty"`
+	VideoStreaming *string           `json:"videostreaming,omitempty" url:"videostreaming,omitempty"`
+}
+
+// EncodeValues converts a CustomSpiceEnhancements struct to a URL value.
+func (r *CustomSpiceEnhancements) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.FolderSharing != nil {
+		if *r.FolderSharing {
+			values = append(values, "foldersharing=1")
+		} else {
+			values = append(values, "foldersharing=0")
+		}
+	}
+
+	if r.VideoStreaming != nil {
+		values = append(values, fmt.Sprintf("videostreaming=%s", *r.VideoStreaming))
+	}
+
+	if len(values) > 0 {
+		v.Add(key, strings.Join(values, ","))
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts JSON to a CustomSpiceEnhancements struct.
+func (r *CustomSpiceEnhancements) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomSpiceEnhancements: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "foldersharing":
+				v := types.CustomBool(v[1] == "1")
+				r.FolderSharing = &v
+			case "videostreaming":
+				r.VideoStreaming = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_startup_order.go

@@ -0,0 +1,88 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// CustomStartupOrder handles QEMU startup order parameters.
+type CustomStartupOrder struct {
+	Down  *int `json:"down,omitempty"  url:"down,omitempty"`
+	Order *int `json:"order,omitempty" url:"order,omitempty"`
+	Up    *int `json:"up,omitempty"    url:"up,omitempty"`
+}
+
+// EncodeValues converts a CustomStartupOrder struct to a URL value.
+func (r *CustomStartupOrder) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.Order != nil {
+		values = append(values, fmt.Sprintf("order=%d", *r.Order))
+	}
+
+	if r.Up != nil {
+		values = append(values, fmt.Sprintf("up=%d", *r.Up))
+	}
+
+	if r.Down != nil {
+		values = append(values, fmt.Sprintf("down=%d", *r.Down))
+	}
+
+	if len(values) > 0 {
+		v.Add(key, strings.Join(values, ","))
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomStartupOrder string to an object.
+func (r *CustomStartupOrder) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomStartupOrder: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 2 {
+			switch v[0] {
+			case "order":
+				order, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse int: %w", err)
+				}
+
+				r.Order = &order
+			case "up":
+				up, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse int: %w", err)
+				}
+
+				r.Up = &up
+			case "down":
+				down, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to parse int: %w", err)
+				}
+
+				r.Down = &down
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_storage_device.go

@@ -1,8 +1,18 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
 package vms
 
 import (
+	"encoding/json"
 	"fmt"
 	"net/url"
+	"path/filepath"
+	"reflect"
+	"strconv"
 	"strings"
 	"unicode"
 
@@ -36,8 +46,11 @@ type CustomStorageDevice struct {
 	Interface               *string           `json:"-"                     url:"-"`
 }
 
+// CustomStorageDevices handles map of QEMU storage device per disk interface.
+type CustomStorageDevices map[string]*CustomStorageDevice
+
 // PathInDatastore returns path part of FileVolume or nil if it is not yet allocated.
-func (d CustomStorageDevice) PathInDatastore() *string {
+func (d *CustomStorageDevice) PathInDatastore() *string {
 	probablyDatastoreID, pathInDatastore, hasDatastoreID := strings.Cut(d.FileVolume, ":")
 	if !hasDatastoreID {
 		// when no ':' separator is found, 'Cut' places the whole string to 'probablyDatastoreID',
@@ -67,7 +80,7 @@ func (d CustomStorageDevice) PathInDatastore() *string {
 
 // IsOwnedBy returns true, if CustomStorageDevice is owned by given VM.
 // Not yet allocated volumes are not owned by any VM.
-func (d CustomStorageDevice) IsOwnedBy(vmID int) bool {
+func (d *CustomStorageDevice) IsOwnedBy(vmID int) bool {
 	pathInDatastore := d.PathInDatastore()
 	if pathInDatastore == nil {
 		// not yet allocated volume, consider disk not owned by any VM
@@ -89,14 +102,14 @@ func (d CustomStorageDevice) IsOwnedBy(vmID int) bool {
 }
 
 // IsCloudInitDrive returns true, if CustomStorageDevice is a cloud-init drive.
-func (d CustomStorageDevice) IsCloudInitDrive(vmID int) bool {
+func (d *CustomStorageDevice) IsCloudInitDrive(vmID int) bool {
 	return d.Media != nil && *d.Media == "cdrom" &&
 		strings.Contains(d.FileVolume, fmt.Sprintf("vm-%d-cloudinit", vmID))
 }
 
 // StorageInterface returns the storage interface of the CustomStorageDevice,
 // e.g. "virtio" or "scsi" for "virtio0" or "scsi2".
-func (d CustomStorageDevice) StorageInterface() string {
+func (d *CustomStorageDevice) StorageInterface() string {
 	for i, r := range *d.Interface {
 		if unicode.IsDigit(r) {
 			return (*d.Interface)[:i]
@@ -108,7 +121,7 @@ func (d CustomStorageDevice) StorageInterface() string {
 }
 
 // EncodeOptions converts a CustomStorageDevice's common options a URL value.
-func (d CustomStorageDevice) EncodeOptions() string {
+func (d *CustomStorageDevice) EncodeOptions() string {
 	values := []string{}
 
 	if d.AIO != nil {
@@ -191,7 +204,7 @@ func (d CustomStorageDevice) EncodeOptions() string {
 }
 
 // EncodeValues converts a CustomStorageDevice struct to a URL value.
-func (d CustomStorageDevice) EncodeValues(key string, v *url.Values) error {
+func (d *CustomStorageDevice) EncodeValues(key string, v *url.Values) error {
 	values := []string{
 		fmt.Sprintf("file=%s", d.FileVolume),
 	}
@@ -215,15 +228,157 @@ func (d CustomStorageDevice) EncodeValues(key string, v *url.Values) error {
 	return nil
 }
 
-// CustomStorageDevices handles map of QEMU storage device per disk interface.
-type CustomStorageDevices map[string]*CustomStorageDevice
+// UnmarshalJSON converts a CustomStorageDevice string to an object.
+func (d *CustomStorageDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomStorageDevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		//nolint:nestif
+		if len(v) == 1 {
+			d.FileVolume = v[0]
+
+			ext := filepath.Ext(v[0])
+			if ext != "" {
+				format := string([]byte(ext)[1:])
+				d.Format = &format
+			}
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "aio":
+				d.AIO = &v[1]
+
+			case "backup":
+				bv := types.CustomBool(v[1] == "1")
+				d.Backup = &bv
+
+			case "cache":
+				d.Cache = &v[1]
+
+			case "discard":
+				d.Discard = &v[1]
+
+			case "file":
+				d.FileVolume = v[1]
+
+			case "format":
+				d.Format = &v[1]
+
+			case "iops_rd":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert iops_rd to int: %w", err)
+				}
+
+				d.IopsRead = &iv
+
+			case "iops_rd_max":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert iops_rd_max to int: %w", err)
+				}
+
+				d.MaxIopsRead = &iv
+
+			case "iops_wr":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert iops_wr to int: %w", err)
+				}
+
+				d.IopsWrite = &iv
+
+			case "iops_wr_max":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert iops_wr_max to int: %w", err)
+				}
+
+				d.MaxIopsWrite = &iv
+
+			case "iothread":
+				bv := types.CustomBool(v[1] == "1")
+				d.IOThread = &bv
+
+			case "mbps_rd":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert mbps_rd to int: %w", err)
+				}
+
+				d.MaxReadSpeedMbps = &iv
+
+			case "mbps_rd_max":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert mbps_rd_max to int: %w", err)
+				}
+
+				d.BurstableReadSpeedMbps = &iv
+
+			case "mbps_wr":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert mbps_wr to int: %w", err)
+				}
+
+				d.MaxWriteSpeedMbps = &iv
+
+			case "mbps_wr_max":
+				iv, err := strconv.Atoi(v[1])
+				if err != nil {
+					return fmt.Errorf("failed to convert mbps_wr_max to int: %w", err)
+				}
+
+				d.BurstableWriteSpeedMbps = &iv
+
+			case "media":
+				d.Media = &v[1]
+
+			case "replicate":
+				bv := types.CustomBool(v[1] == "1")
+				d.Replicate = &bv
+
+			case "size":
+				d.Size = new(types.DiskSize)
+
+				err := d.Size.UnmarshalJSON([]byte(v[1]))
+				if err != nil {
+					return fmt.Errorf("failed to unmarshal disk size: %w", err)
+				}
+
+			case "ssd":
+				bv := types.CustomBool(v[1] == "1")
+				d.SSD = &bv
+			}
+		}
+	}
+
+	d.Enabled = true
+
+	return nil
+}
 
 // ByStorageInterface returns a map of CustomStorageDevices filtered by the given storage interface.
 func (d CustomStorageDevices) ByStorageInterface(storageInterface string) CustomStorageDevices {
+	return d.Filter(func(d *CustomStorageDevice) bool {
+		return d.StorageInterface() == storageInterface
+	})
+}
+
+// Filter returns a map of CustomStorageDevices filtered by the given function.
+func (d CustomStorageDevices) Filter(fn func(*CustomStorageDevice) bool) CustomStorageDevices {
 	result := make(CustomStorageDevices)
 
 	for k, v := range d {
-		if v.StorageInterface() == storageInterface {
+		if fn(v) {
 			result[k] = v
 		}
 	}
@@ -243,3 +398,27 @@ func (d CustomStorageDevices) EncodeValues(_ string, v *url.Values) error {
 
 	return nil
 }
+
+// MapCustomStorageDevices maps the custom storage devices from the API response.
+func MapCustomStorageDevices(resp GetResponseData) CustomStorageDevices {
+	csd := CustomStorageDevices{}
+
+	mapDevice(csd, resp, "ide", "IDE", 3)
+	mapDevice(csd, resp, "sata", "SATA", 5)
+	mapDevice(csd, resp, "scsi", "SCSI", 13)
+	mapDevice(csd, resp, "virtio", "VirtualIO", 15)
+
+	return csd
+}
+
+func mapDevice(csd CustomStorageDevices, resp GetResponseData, keyPrefix, fieldPrefix string, end int) {
+	for i := 0; i <= end; i++ {
+		field := reflect.ValueOf(resp).FieldByName(fieldPrefix + "Device" + strconv.Itoa(i))
+		if !field.IsZero() {
+			val := field.Interface()
+			if val != nil {
+				csd[keyPrefix+strconv.Itoa(i)] = val.(*CustomStorageDevice)
+			}
+		}
+	}
+}

proxmox/nodes/vms/custom_storage_device_test.go

@@ -171,7 +171,7 @@ func TestCustomStorageDevices_ByStorageInterface(t *testing.T) {
 			want:    CustomStorageDevices{},
 		},
 		{
-			name:  "not in the list",
+			name:  "nothing matches",
 			iface: "sata",
 			devices: CustomStorageDevices{
 				"virtio0": &CustomStorageDevice{
@@ -184,7 +184,7 @@ func TestCustomStorageDevices_ByStorageInterface(t *testing.T) {
 			want: CustomStorageDevices{},
 		},
 		{
-			name:  "not in the list",
+			name:  "partially matches",
 			iface: "virtio",
 			devices: CustomStorageDevices{
 				"virtio0": &CustomStorageDevice{
@@ -218,45 +218,47 @@ func TestCustomStorageDevices_ByStorageInterface(t *testing.T) {
 	}
 }
 
-func TestCustomPCIDevice_UnmarshalJSON(t *testing.T) {
+func TestMapCustomStorageDevices(t *testing.T) {
 	t.Parallel()
 
+	type args struct {
+		resp GetResponseData
+	}
+
 	tests := []struct {
-		name    string
-		line    string
-		want    *CustomPCIDevice
-		wantErr bool
+		name string
+		args args
+		want CustomStorageDevices
 	}{
+		{"no storage devices", args{GetResponseData{}}, CustomStorageDevices{}},
 		{
-			name: "id only pci device",
-			line: `"0000:81:00.2"`,
-			want: &CustomPCIDevice{
-				DeviceIDs: &[]string{"0000:81:00.2"},
-			},
+			"ide0 storage devices",
+			args{GetResponseData{IDEDevice0: &CustomStorageDevice{}}},
+			map[string]*CustomStorageDevice{"ide0": {}},
 		},
 		{
-			name: "pci device with more details",
-			line: `"host=81:00.4,pcie=0,rombar=1,x-vga=0"`,
-			want: &CustomPCIDevice{
-				DeviceIDs:  &[]string{"81:00.4"},
-				MDev:       nil,
-				PCIExpress: types.CustomBool(false).Pointer(),
-				ROMBAR:     types.CustomBool(true).Pointer(),
-				ROMFile:    nil,
-				XVGA:       types.CustomBool(false).Pointer(),
-			},
+			"multiple ide storage devices",
+			args{GetResponseData{
+				IDEDevice1: &CustomStorageDevice{},
+				IDEDevice3: &CustomStorageDevice{},
+			}},
+			map[string]*CustomStorageDevice{"ide1": {}, "ide3": {}},
 		},
 		{
-			name: "pci device with mapping",
-			line: `"mapping=mappeddevice,pcie=0,rombar=1,x-vga=0"`,
-			want: &CustomPCIDevice{
-				DeviceIDs:  nil,
-				Mapping:    ptr.Ptr("mappeddevice"),
-				MDev:       nil,
-				PCIExpress: types.CustomBool(false).Pointer(),
-				ROMBAR:     types.CustomBool(true).Pointer(),
-				ROMFile:    nil,
-				XVGA:       types.CustomBool(false).Pointer(),
+			"mixed storage devices",
+			args{GetResponseData{
+				IDEDevice1:       &CustomStorageDevice{},
+				VirtualIODevice5: &CustomStorageDevice{},
+				SATADevice0:      &CustomStorageDevice{},
+				IDEDevice3:       &CustomStorageDevice{},
+				SCSIDevice10:     &CustomStorageDevice{},
+			}},
+			map[string]*CustomStorageDevice{
+				"ide1":    {},
+				"virtio5": {},
+				"sata0":   {},
+				"ide3":    {},
+				"scsi10":  {},
 			},
 		},
 	}
@@ -265,100 +267,7 @@ func TestCustomPCIDevice_UnmarshalJSON(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			r := &CustomPCIDevice{}
-			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
-				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
-			}
-
-			require.Equal(t, tt.want, r)
-		})
-	}
-}
-
-func TestCustomNUMADevice_UnmarshalJSON(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		name    string
-		line    string
-		want    *CustomNUMADevice
-		wantErr bool
-	}{
-		{
-			name: "numa device all options",
-			line: `"cpus=1-2;3-4,hostnodes=1-2,memory=1024,policy=preferred"`,
-			want: &CustomNUMADevice{
-				CPUIDs:        []string{"1-2", "3-4"},
-				HostNodeNames: &[]string{"1-2"},
-				Memory:        ptr.Ptr(1024),
-				Policy:        ptr.Ptr("preferred"),
-			},
-		},
-		{
-			name: "numa device cpus/memory only",
-			line: `"cpus=1-2,memory=1024"`,
-			want: &CustomNUMADevice{
-				CPUIDs: []string{"1-2"},
-				Memory: ptr.Ptr(1024),
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-
-			r := &CustomNUMADevice{}
-			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
-				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
-			}
-		})
-	}
-}
-
-func TestCustomUSBDevice_UnmarshalJSON(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		name    string
-		line    string
-		want    *CustomUSBDevice
-		wantErr bool
-	}{
-		{
-			name: "id only usb device",
-			line: `"host=0000:81"`,
-			want: &CustomUSBDevice{
-				HostDevice: ptr.Ptr("0000:81"),
-			},
-		},
-		{
-			name: "usb device with more details",
-			line: `"host=81:00,usb3=0"`,
-			want: &CustomUSBDevice{
-				HostDevice: ptr.Ptr("81:00"),
-				USB3:       types.CustomBool(false).Pointer(),
-			},
-		},
-		{
-			name: "usb device with mapping",
-			line: `"mapping=mappeddevice,usb=0"`,
-			want: &CustomUSBDevice{
-				HostDevice: nil,
-				Mapping:    ptr.Ptr("mappeddevice"),
-				USB3:       types.CustomBool(false).Pointer(),
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-
-			r := &CustomUSBDevice{}
-			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
-				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
-			}
+			assert.Equalf(t, tt.want, MapCustomStorageDevices(tt.args.resp), "MapCustomStorageDevices(%v)", tt.args.resp)
 		})
 	}
 }

proxmox/nodes/vms/custom_tpm_state.go

@@ -0,0 +1,62 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// CustomTPMState handles QEMU TPM state parameters.
+type CustomTPMState struct {
+	FileVolume string  `json:"file"              url:"file"`
+	Version    *string `json:"version,omitempty" url:"version,omitempty"`
+}
+
+// EncodeValues converts a CustomTPMState struct to a URL value.
+func (r *CustomTPMState) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("file=%s", r.FileVolume),
+	}
+
+	if r.Version != nil {
+		values = append(values, fmt.Sprintf("version=%s", *r.Version))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomTPMState string to an object.
+func (r *CustomTPMState) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomTPMState: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+		if len(v) == 1 {
+			r.FileVolume = v[0]
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "file":
+				r.FileVolume = v[1]
+			case "version":
+				r.Version = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_usb_device.go

@@ -0,0 +1,95 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomUSBDevice handles QEMU USB device parameters.
+type CustomUSBDevice struct {
+	HostDevice *string           `json:"host"              url:"host"`
+	Mapping    *string           `json:"mapping,omitempty" url:"mapping,omitempty"`
+	USB3       *types.CustomBool `json:"usb3,omitempty"    url:"usb3,omitempty,int"`
+}
+
+// CustomUSBDevices handles QEMU USB device parameters.
+type CustomUSBDevices []CustomUSBDevice
+
+// EncodeValues converts a CustomUSBDevice struct to a URL value.
+func (r *CustomUSBDevice) EncodeValues(key string, v *url.Values) error {
+	if r.HostDevice == nil && r.Mapping == nil {
+		return fmt.Errorf("either device ID or resource mapping must be set")
+	}
+
+	values := []string{}
+	if r.HostDevice != nil {
+		values = append(values, fmt.Sprintf("host=%s", *(r.HostDevice)))
+	}
+
+	if r.Mapping != nil {
+		values = append(values, fmt.Sprintf("mapping=%s", *r.Mapping))
+	}
+
+	if r.USB3 != nil {
+		if *r.USB3 {
+			values = append(values, "usb3=1")
+		} else {
+			values = append(values, "usb3=0")
+		}
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// EncodeValues converts a CustomUSBDevices array to multiple URL values.
+func (r CustomUSBDevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+			return fmt.Errorf("error encoding USB device %d: %w", i, err)
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomUSBDevice string to an object.
+func (r *CustomUSBDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomUSBDevice: %w", err)
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+		if len(v) == 1 {
+			r.HostDevice = &v[1]
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "host":
+				r.HostDevice = &v[1]
+			case "mapping":
+				r.Mapping = &v[1]
+			case "usb3":
+				bv := types.CustomBool(v[1] == "1")
+				r.USB3 = &bv
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_usb_device_test.go

@@ -0,0 +1,61 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"testing"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/helpers/ptr"
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+func TestCustomUSBDevice_UnmarshalJSON(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		line    string
+		want    *CustomUSBDevice
+		wantErr bool
+	}{
+		{
+			name: "id only usb device",
+			line: `"host=0000:81"`,
+			want: &CustomUSBDevice{
+				HostDevice: ptr.Ptr("0000:81"),
+			},
+		},
+		{
+			name: "usb device with more details",
+			line: `"host=81:00,usb3=0"`,
+			want: &CustomUSBDevice{
+				HostDevice: ptr.Ptr("81:00"),
+				USB3:       types.CustomBool(false).Pointer(),
+			},
+		},
+		{
+			name: "usb device with mapping",
+			line: `"mapping=mappeddevice,usb=0"`,
+			want: &CustomUSBDevice{
+				HostDevice: nil,
+				Mapping:    ptr.Ptr("mappeddevice"),
+				USB3:       types.CustomBool(false).Pointer(),
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			r := &CustomUSBDevice{}
+			if err := r.UnmarshalJSON([]byte(tt.line)); (err != nil) != tt.wantErr {
+				t.Errorf("UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

proxmox/nodes/vms/custom_vga_device.go

@@ -0,0 +1,83 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// CustomVGADevice handles QEMU VGA device parameters.
+type CustomVGADevice struct {
+	Clipboard *string `json:"clipboard,omitempty" url:"memory,omitempty"`
+	Memory    *int64  `json:"memory,omitempty"    url:"memory,omitempty"`
+	Type      *string `json:"type,omitempty"      url:"type,omitempty"`
+}
+
+// EncodeValues converts a CustomVGADevice struct to a URL value.
+func (r CustomVGADevice) EncodeValues(key string, v *url.Values) error {
+	var values []string
+
+	if r.Clipboard != nil {
+		values = append(values, fmt.Sprintf("clipboard=%s", *r.Clipboard))
+	}
+
+	if r.Memory != nil {
+		values = append(values, fmt.Sprintf("memory=%d", *r.Memory))
+	}
+
+	if r.Type != nil {
+		values = append(values, fmt.Sprintf("type=%s", *r.Type))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomVGADevice string to an object.
+func (r *CustomVGADevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomVGADevice: %w", err)
+	}
+
+	if s == "" {
+		return nil
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 1 {
+			r.Type = &v[0]
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "clipboard":
+				r.Clipboard = &v[1]
+
+			case "memory":
+				m, err := strconv.ParseInt(v[1], 10, 64)
+				if err != nil {
+					return fmt.Errorf("failed to convert memory to int: %w", err)
+				}
+
+				r.Memory = &m
+			case "type":
+				r.Type = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_virtualio_device.go

@@ -0,0 +1,62 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+
+	"github.com/bpg/terraform-provider-proxmox/proxmox/types"
+)
+
+// CustomVirtualIODevice handles QEMU VirtIO device parameters.
+type CustomVirtualIODevice struct {
+	AIO           *string           `json:"aio,omitempty"    url:"aio,omitempty"`
+	BackupEnabled *types.CustomBool `json:"backup,omitempty" url:"backup,omitempty,int"`
+	Enabled       bool              `json:"-"                url:"-"`
+	FileVolume    string            `json:"file"             url:"file"`
+}
+
+// CustomVirtualIODevices handles QEMU VirtIO device parameters.
+type CustomVirtualIODevices []CustomVirtualIODevice
+
+// EncodeValues converts a CustomVirtualIODevice struct to a URL value.
+func (r CustomVirtualIODevice) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("file=%s", r.FileVolume),
+	}
+
+	if r.AIO != nil {
+		values = append(values, fmt.Sprintf("aio=%s", *r.AIO))
+	}
+
+	if r.BackupEnabled != nil {
+		if *r.BackupEnabled {
+			values = append(values, "backup=1")
+		} else {
+			values = append(values, "backup=0")
+		}
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// EncodeValues converts a CustomVirtualIODevices array to multiple URL values.
+func (r CustomVirtualIODevices) EncodeValues(key string, v *url.Values) error {
+	for i, d := range r {
+		if d.Enabled {
+			if err := d.EncodeValues(fmt.Sprintf("%s%d", key, i), v); err != nil {
+				return fmt.Errorf("error encoding virtual IO device %d: %w", i, err)
+			}
+		}
+	}
+
+	return nil
+}

proxmox/nodes/vms/custom_watchdog_device.go

@@ -0,0 +1,67 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package vms
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// CustomWatchdogDevice handles QEMU watchdog device parameters.
+type CustomWatchdogDevice struct {
+	Action *string `json:"action,omitempty" url:"action,omitempty"`
+	Model  *string `json:"model"            url:"model"`
+}
+
+// EncodeValues converts a CustomWatchdogDevice struct to a URL value.
+func (r *CustomWatchdogDevice) EncodeValues(key string, v *url.Values) error {
+	values := []string{
+		fmt.Sprintf("model=%+v", r.Model),
+	}
+
+	if r.Action != nil {
+		values = append(values, fmt.Sprintf("action=%s", *r.Action))
+	}
+
+	v.Add(key, strings.Join(values, ","))
+
+	return nil
+}
+
+// UnmarshalJSON converts a CustomWatchdogDevice string to an object.
+func (r *CustomWatchdogDevice) UnmarshalJSON(b []byte) error {
+	var s string
+
+	if err := json.Unmarshal(b, &s); err != nil {
+		return fmt.Errorf("failed to unmarshal CustomWatchdogDevice: %w", err)
+	}
+
+	if s == "" {
+		return nil
+	}
+
+	pairs := strings.Split(s, ",")
+
+	for _, p := range pairs {
+		v := strings.Split(strings.TrimSpace(p), "=")
+
+		if len(v) == 1 {
+			r.Model = &v[0]
+		} else if len(v) == 2 {
+			switch v[0] {
+			case "action":
+				r.Action = &v[1]
+			case "model":
+				r.Model = &v[1]
+			}
+		}
+	}
+
+	return nil
+}

proxmoxtf/resource/vm/vm.go

@@ -2215,8 +2215,6 @@ func vmCreateClone(ctx context.Context, d *schema.ResourceData, m interface{}) d
 		return diag.FromErr(e)
 	}
 
-	/////////////////
-
 	allDiskInfo := disk.GetInfo(vmConfig, d) // from the cloned VM
 
 	planDisks, e := disk.GetDiskDeviceObjects(d, VM(), nil) // from the resource config