vmm: provide oem_strings option

Signed-off-by: Wei Liu <liuwe@microsoft.com>

arch/src/x86_64/mod.rs

@@ -820,14 +820,15 @@ pub fn configure_system(
     sgx_epc_region: Option<SgxEpcRegion>,
     serial_number: Option<&str>,
     uuid: Option<&str>,
+    oem_strings: Option<&[&str]>,
 ) -> super::Result<()> {
     // Write EBDA address to location where ACPICA expects to find it
     guest_mem
         .write_obj((layout::EBDA_START.0 >> 4) as u16, layout::EBDA_POINTER)
         .map_err(Error::EbdaSetup)?;
 
-    let size =
-        smbios::setup_smbios(guest_mem, serial_number, uuid, None).map_err(Error::SmbiosSetup)?;
+    let size = smbios::setup_smbios(guest_mem, serial_number, uuid, oem_strings)
+        .map_err(Error::SmbiosSetup)?;
 
     // Place the MP table after the SMIOS table aligned to 16 bytes
     let offset = GuestAddress(layout::SMBIOS_START).unchecked_add(size);
@@ -1181,6 +1182,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         );
         assert!(config_err.is_err());
 
@@ -1203,6 +1205,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         )
         .unwrap();
 
@@ -1224,6 +1227,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         )
         .unwrap();
 
@@ -1236,6 +1240,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         )
         .unwrap();
 
@@ -1257,6 +1262,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         )
         .unwrap();
 
@@ -1269,6 +1275,7 @@ mod tests {
             None,
             None,
             None,
+            None,
         )
         .unwrap();
     }

src/main.rs

@@ -155,7 +155,7 @@ fn create_app<'a>(
             Arg::new("platform")
                 .long("platform")
                 .help(
-                    "num_pci_segments=<num_pci_segments>,iommu_segments=<list_of_segments>,serial_number=<dmi_device_serial_number>,uuid=<dmi_device_uuid>",
+                    "num_pci_segments=<num_pci_segments>,iommu_segments=<list_of_segments>,serial_number=<dmi_device_serial_number>,uuid=<dmi_device_uuid>,oem_strings=<list_of_strings>",
                 )
                 .takes_value(true)
                 .group("vm-config"),

vmm/src/config.rs

@@ -636,6 +636,8 @@ pub struct PlatformConfig {
     pub serial_number: Option<String>,
     #[serde(default)]
     pub uuid: Option<String>,
+    #[serde(default)]
+    pub oem_strings: Option<Vec<String>>,
 }
 
 impl PlatformConfig {
@@ -645,6 +647,7 @@ impl PlatformConfig {
         parser.add("iommu_segments");
         parser.add("serial_number");
         parser.add("uuid");
+        parser.add("oem_strings");
         parser.parse(platform).map_err(Error::ParsePlatform)?;
 
         let num_pci_segments: u16 = parser
@@ -659,11 +662,16 @@ impl PlatformConfig {
             .convert("serial_number")
             .map_err(Error::ParsePlatform)?;
         let uuid = parser.convert("uuid").map_err(Error::ParsePlatform)?;
+        let oem_strings = parser
+            .convert::<StringList>("oem_strings")
+            .map_err(Error::ParsePlatform)?
+            .map(|v| v.0);
         Ok(PlatformConfig {
             num_pci_segments,
             iommu_segments,
             serial_number,
             uuid,
+            oem_strings,
         })
     }
 
@@ -693,6 +701,7 @@ impl Default for PlatformConfig {
             iommu_segments: None,
             serial_number: None,
             uuid: None,
+            oem_strings: None,
         }
     }
 }

vmm/src/vm.rs

@@ -1127,6 +1127,18 @@ impl Vm {
             .as_ref()
             .and_then(|p| p.uuid.clone());
 
+        let oem_strings = self
+            .config
+            .lock()
+            .unwrap()
+            .platform
+            .as_ref()
+            .and_then(|p| p.oem_strings.clone());
+
+        let oem_strings = oem_strings
+            .as_deref()
+            .map(|strings| strings.iter().map(|s| s.as_ref()).collect::<Vec<&str>>());
+
         arch::configure_system(
             &mem,
             arch::layout::CMDLINE_START,
@@ -1136,6 +1148,7 @@ impl Vm {
             sgx_epc_region,
             serial_number.as_deref(),
             uuid.as_deref(),
+            oem_strings.as_deref(),
         )
         .map_err(Error::ConfigureSystem)?;
         Ok(())