From 644fd6f1bb48e2343e6883fe82152494ed00469a Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Thu, 22 May 2025 21:13:00 +0200
Subject: [PATCH] Add backend SMBios support

---
 .../src/libvirt_lib_structures/domain.rs      | 36 +++++++++++++++++++
 .../src/libvirt_rest_structures/vm.rs         | 22 ++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/virtweb_backend/src/libvirt_lib_structures/domain.rs b/virtweb_backend/src/libvirt_lib_structures/domain.rs
index 7aab273..c5ff6c2 100644
--- a/virtweb_backend/src/libvirt_lib_structures/domain.rs
+++ b/virtweb_backend/src/libvirt_lib_structures/domain.rs
@@ -26,6 +26,7 @@ pub struct OSXML {
     pub firmware: String,
     pub r#type: OSTypeXML,
     pub loader: Option<OSLoaderXML>,
+    pub smbios: Option<OSSMBiosXML>,
 }
 
 /// OS Type information
@@ -48,6 +49,14 @@ pub struct OSLoaderXML {
     pub secure: String,
 }
 
+/// SMBIOS System information
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename = "smbios")]
+pub struct OSSMBiosXML {
+    #[serde(rename = "@mode")]
+    pub mode: String,
+}
+
 /// Hypervisor features
 #[derive(serde::Serialize, serde::Deserialize, Clone, Default, Debug)]
 #[serde(rename = "features")]
@@ -305,6 +314,29 @@ pub struct DomainCPUXML {
     pub topology: Option<DomainCPUTopology>,
 }
 
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename = "entry")]
+pub struct OEMStringEntryXML {
+    #[serde(rename = "$text")]
+    pub content: String,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename = "oemStrings")]
+pub struct OEMStringsXML {
+    #[serde(rename = "entry")]
+    pub entries: Vec<OEMStringEntryXML>,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename = "sysinfo")]
+pub struct SysInfoXML {
+    #[serde(rename = "@type")]
+    pub r#type: String,
+    #[serde(rename = "oemStrings")]
+    pub oem_strings: Option<OEMStringsXML>,
+}
+
 /// Domain information, see https://libvirt.org/formatdomain.html
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 #[serde(rename = "domain")]
@@ -335,6 +367,10 @@ pub struct DomainXML {
     /// CPU information
     pub cpu: DomainCPUXML,
 
+    /// SMBios strings
+    pub sysinfo: Option<SysInfoXML>,
+
+    /// Behavior when guest state change
     pub on_poweroff: String,
     pub on_reboot: String,
     pub on_crash: String,
diff --git a/virtweb_backend/src/libvirt_rest_structures/vm.rs b/virtweb_backend/src/libvirt_rest_structures/vm.rs
index 76555af..fda8181 100644
--- a/virtweb_backend/src/libvirt_rest_structures/vm.rs
+++ b/virtweb_backend/src/libvirt_rest_structures/vm.rs
@@ -83,6 +83,8 @@ pub struct VMInfo {
     pub networks: Vec<Network>,
     /// Add a TPM v2.0 module
     pub tpm_module: bool,
+    /// Strings injected as OEM Strings in SMBios configuration
+    pub oem_strings: Vec<String>,
 }
 
 impl VMInfo {
@@ -329,6 +331,9 @@ impl VMInfo {
                         BootType::UEFISecureBoot => "yes".to_string(),
                     },
                 }),
+                smbios: Some(OSSMBiosXML {
+                    mode: "sysinfo".to_string(),
+                }),
             },
 
             features: FeaturesXML { acpi: ACPIXML {} },
@@ -385,6 +390,17 @@ impl VMInfo {
                 }),
             },
 
+            sysinfo: Some(SysInfoXML {
+                r#type: "smbios".to_string(),
+                oem_strings: Some(OEMStringsXML {
+                    entries: self
+                        .oem_strings
+                        .iter()
+                        .map(|s| OEMStringEntryXML { content: s.clone() })
+                        .collect(),
+                }),
+            }),
+
             on_poweroff: "destroy".to_string(),
             on_reboot: "restart".to_string(),
             on_crash: "destroy".to_string(),
@@ -476,6 +492,12 @@ impl VMInfo {
                 .collect::<Result<Vec<_>, _>>()?,
 
             tpm_module: domain.devices.tpm.is_some(),
+
+            oem_strings: domain
+                .sysinfo
+                .and_then(|s| s.oem_strings)
+                .map(|s| s.entries.iter().map(|o| o.content.to_string()).collect())
+                .unwrap_or_default(),
         })
     }
 }