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vmm: platform: add structured SMBIOS config

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Extend SMBIOS System Information with manufacturer, product,
version, family, sku, serial, and uuid fields, add a chassis
asset tag, and pass a structured SMBIOS config from --platform
into arch setup. Keep OEM strings and legacy serial_number/uuid
options working for compatibility. The platform option naming
follows `dmidecode -s <field>`.

Fields:
  - system_manufacturer
  - system_product_name
  - system_version
  - system_family
  - system_serial_number
  - system_uuid
  - chassis_asset_tag

On-behalf-of: SAP leander.kohler@sap.com
Signed-off-by: Leander Kohler <leander.kohler@cyberus-technology.de>
This commit is contained in:
Leander Kohler
2026-02-09 15:44:24 +01:00
committed by Rob Bradford
parent e097d7d495
commit 063caca4a8
6 changed files with 313 additions and 39 deletions
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vmm/src/vm_config.rs
+47 -6
View File
@@ -131,12 +131,24 @@ pub struct PlatformConfig {
pub iommu_segments: Option<Box<[u16]>>,
#[serde(default = "default_platformconfig_iommu_address_width_bits")]
pub iommu_address_width_bits: u8,
#[serde(default)]
pub serial_number: Option<String>,
#[serde(default)]
pub uuid: Option<String>,
#[serde(default, alias = "serial_number")]
pub system_serial_number: Option<String>,
#[serde(default, alias = "uuid")]
pub system_uuid: Option<String>,
#[serde(default)]
pub oem_strings: Option<Box<[String]>>,
#[serde(default)]
pub system_manufacturer: Option<String>,
#[serde(default)]
pub system_product_name: Option<String>,
#[serde(default)]
pub system_version: Option<String>,
#[serde(default)]
pub system_family: Option<String>,
#[serde(default)]
pub system_sku_number: Option<String>,
#[serde(default)]
pub chassis_asset_tag: Option<String>,
#[cfg(feature = "tdx")]
#[serde(default)]
pub tdx: bool,
@@ -154,9 +166,38 @@ impl PlatformConfig {
/// Returns `None` if no SMBIOS-relevant platform fields are set, otherwise
/// `Some` with a [`SmbiosConfig`] built from the populated fields.
pub fn smbios_config(&self) -> Option<arch::x86_64::SmbiosConfig> {
let has_system = [
&self.system_serial_number,
&self.system_uuid,
&self.system_manufacturer,
&self.system_product_name,
&self.system_version,
&self.system_family,
&self.system_sku_number,
]
.iter()
.any(|v| v.is_some());
let system = has_system.then_some(arch::x86_64::SmbiosSystem {
manufacturer: self.system_manufacturer.clone(),
product_name: self.system_product_name.clone(),
version: self.system_version.clone(),
serial_number: self.system_serial_number.clone(),
uuid: self.system_uuid.clone(),
sku_number: self.system_sku_number.clone(),
family: self.system_family.clone(),
});
let chassis =
self.chassis_asset_tag
.clone()
.map(|asset_tag| arch::x86_64::SmbiosChassisConfig {
asset_tag: Some(asset_tag),
});
let smbios = arch::x86_64::SmbiosConfig {
serial_number: self.serial_number.clone(),
uuid: self.uuid.clone(),
system,
chassis,
oem_strings: self.oem_strings.clone().unwrap_or_default(),
};