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https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-07-02 16:02:37 +00:00
vmm: Remove 'file' option from MemoryConfig
After the introduction of user defined memory zones, we can now remove the deprecated 'file' option from --memory parameter. This makes this parameter simpler, letting more advanced users define their own custom memory zones through the dedicated parameter. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
Samuel Ortiz
parent
5bf7113768
commit
c58dd761f4
13
src/main.rs
13
src/main.rs
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@ -526,7 +526,6 @@ mod unit_tests {
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},
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memory: MemoryConfig {
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size: 536_870_912,
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file: None,
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mergeable: false,
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hotplug_method: HotplugMethod::Acpi,
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hotplug_size: None,
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@ -644,18 +643,6 @@ mod unit_tests {
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}"#,
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true,
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),
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(
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vec![
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"cloud-hypervisor", "--kernel", "/path/to/kernel",
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"--memory",
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"size=1G,file=/path/to/shared/file",
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],
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r#"{
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"kernel": {"path": "/path/to/kernel"},
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"memory": {"size": 1073741824, "file": "/path/to/shared/file"}
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}"#,
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true,
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),
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(
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vec!["cloud-hypervisor", "--kernel", "/path/to/kernel", "--memory", "size=1G,mergeable=on"],
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r#"{
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@ -38,4 +38,4 @@ write_files:
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# 1G ram requires 512 pages
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echo 512 | sudo tee /proc/sys/vm/nr_hugepages
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sudo chmod a+rwX /dev/hugepages
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/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd root=/dev/vda1 VFIOTAG" --disk path=/mnt/focal-server-cloudimg-amd64-custom.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,file=/dev/hugepages --device path=/sys/bus/pci/devices/0000:00:06.0/ path=/sys/bus/pci/devices/0000:00:07.0/ --api-socket /tmp/ch_api.sock
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/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd root=/dev/vda1 VFIOTAG" --disk path=/mnt/focal-server-cloudimg-amd64-custom.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,hugepages=on --device path=/sys/bus/pci/devices/0000:00:06.0/ path=/sys/bus/pci/devices/0000:00:07.0/ --api-socket /tmp/ch_api.sock
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@ -481,8 +481,6 @@ components:
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hotplug_size:
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type: integer
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format: int64
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file:
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type: string
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mergeable:
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type: boolean
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default: false
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@ -360,8 +360,6 @@ pub struct MemoryZoneConfig {
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pub struct MemoryConfig {
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pub size: u64,
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#[serde(default)]
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pub file: Option<PathBuf>,
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#[serde(default)]
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pub mergeable: bool,
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#[serde(default)]
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pub hotplug_method: HotplugMethod,
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@ -398,7 +396,6 @@ impl MemoryConfig {
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.map_err(Error::ParseMemory)?
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.unwrap_or(ByteSized(DEFAULT_MEMORY_MB << 20))
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.0;
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let file = parser.get("file").map(PathBuf::from);
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let mergeable = parser
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.convert::<Toggle>("mergeable")
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.map_err(Error::ParseMemory)?
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@ -477,7 +474,6 @@ impl MemoryConfig {
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Ok(MemoryConfig {
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size,
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file,
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mergeable,
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hotplug_method,
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hotplug_size,
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@ -494,7 +490,6 @@ impl Default for MemoryConfig {
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fn default() -> Self {
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MemoryConfig {
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size: DEFAULT_MEMORY_MB << 20,
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file: None,
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mergeable: false,
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hotplug_method: HotplugMethod::Acpi,
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hotplug_size: None,
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@ -1288,10 +1283,6 @@ impl VmConfig {
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return Err(ValidationError::CpusMaxLowerThanBoot);
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}
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if self.memory.file.is_some() {
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error!("Use of backing file ('--memory file=') is deprecated. Use the 'shared' and 'hugepages' controls.");
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}
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if let Some(disks) = &self.disks {
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for disk in disks {
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if disk.vhost_socket.as_ref().and(disk.path.as_ref()).is_some() {
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@ -1489,21 +1480,16 @@ mod tests {
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let mut parser = OptionParser::new();
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parser
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.add("size")
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.add("file")
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.add("mergeable")
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.add("hotplug_method")
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.add("hotplug_size");
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assert!(parser
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.parse("size=128M,file=/dev/shm,hanging_param")
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.is_err());
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assert!(parser
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.parse("size=128M,file=/dev/shm,too_many_equals=foo=bar")
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.is_err());
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assert!(parser.parse("size=128M,file=/dev/shm").is_ok());
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assert!(parser.parse("size=128M,hanging_param").is_err());
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assert!(parser.parse("size=128M,too_many_equals=foo=bar").is_err());
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assert!(parser.parse("size=128M,file=/dev/shm").is_err());
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assert!(parser.parse("size=128M").is_ok());
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assert_eq!(parser.get("size"), Some("128M".to_owned()));
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assert_eq!(parser.get("file"), Some("/dev/shm".to_owned()));
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assert!(!parser.is_set("mergeable"));
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assert!(parser.is_set("size"));
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Ok(())
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@ -1557,14 +1543,6 @@ mod tests {
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MemoryConfig::parse("size=512M", None)?,
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MemoryConfig::default()
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);
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assert_eq!(
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MemoryConfig::parse("size=512M,file=/some/file", None)?,
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MemoryConfig {
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size: 512 << 20,
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file: Some(PathBuf::from("/some/file")),
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..Default::default()
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}
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);
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assert_eq!(
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MemoryConfig::parse("size=512M,mergeable=on", None)?,
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MemoryConfig {
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@ -2016,7 +1994,6 @@ mod tests {
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},
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memory: MemoryConfig {
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size: 536_870_912,
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file: None,
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mergeable: false,
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hotplug_method: HotplugMethod::Acpi,
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hotplug_size: None,
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@ -64,7 +64,6 @@ pub struct MemoryManager {
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pub vm: Arc<dyn hypervisor::Vm>,
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hotplug_slots: Vec<HotPlugState>,
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selected_slot: usize,
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backing_file: Option<PathBuf>,
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mergeable: bool,
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allocator: Arc<Mutex<SystemAllocator>>,
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hotplug_method: HotplugMethod,
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@ -371,7 +370,7 @@ impl MemoryManager {
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for region in ram_regions.iter() {
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mem_regions.push(MemoryManager::create_ram_region(
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&config.file,
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&None,
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0,
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region.0,
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region.1,
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@ -438,7 +437,7 @@ impl MemoryManager {
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if !use_zones {
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virtiomem_region = Some(MemoryManager::create_ram_region(
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&config.file,
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&None,
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0,
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start_addr,
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size as usize,
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@ -490,7 +489,6 @@ impl MemoryManager {
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vm,
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hotplug_slots,
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selected_slot: 0,
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backing_file: config.file.clone(),
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mergeable: config.mergeable,
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allocator: allocator.clone(),
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hotplug_method: config.hotplug_method.clone(),
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@ -791,7 +789,7 @@ impl MemoryManager {
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// Allocate memory for the region
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let region = MemoryManager::create_ram_region(
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&self.backing_file,
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&None,
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0,
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start_addr,
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size,
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