Enable virtio-fs in cca

This commit will be remove when cca use virtio-blk. For the moment,
enable virtio-fs in cca.

Signed-off-by: Matias Ezequiel Vara Larsen <mvaralar@redhat.com>

Author: MatiasVara

src/devices/src/virtio/mod.rs

@@ -21,7 +21,7 @@ pub mod console;
 pub mod descriptor_utils;
 pub mod device;
 pub mod file_traits;
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 pub mod fs;
 #[cfg(feature = "gpu")]
 pub mod gpu;
@@ -42,7 +42,7 @@ pub use self::balloon::*;
 pub use self::block::{Block, CacheType};
 pub use self::console::*;
 pub use self::device::*;
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 pub use self::fs::*;
 #[cfg(feature = "gpu")]
 pub use self::gpu::*;

src/libkrun/src/lib.rs

@@ -40,7 +40,7 @@ use vmm::vmm_config::block::BlockDeviceConfig;
 use vmm::vmm_config::boot_source::{BootSourceConfig, DEFAULT_KERNEL_CMDLINE};
 #[cfg(not(feature = "tee"))]
 use vmm::vmm_config::external_kernel::{ExternalKernel, KernelFormat};
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 use vmm::vmm_config::fs::FsDeviceConfig;
 #[cfg(not(feature = "efi"))]
 use vmm::vmm_config::kernel_bundle::KernelBundle;
@@ -386,7 +386,7 @@ pub extern "C" fn krun_set_vm_config(ctx_id: u32, num_vcpus: u8, ram_mib: u32) -
 
 #[allow(clippy::missing_safety_doc)]
 #[no_mangle]
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 pub unsafe extern "C" fn krun_set_root(ctx_id: u32, c_root_path: *const c_char) -> i32 {
     let root_path = match CStr::from_ptr(c_root_path).to_str() {
         Ok(root) => root,

src/vmm/src/builder.rs

@@ -57,7 +57,7 @@ use crate::terminal::term_set_raw_mode;
 #[cfg(feature = "blk")]
 use crate::vmm_config::block::BlockBuilder;
 use crate::vmm_config::boot_source::DEFAULT_KERNEL_CMDLINE;
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 use crate::vmm_config::fs::FsDeviceConfig;
 #[cfg(target_os = "linux")]
 use crate::vstate::KvmContext;
@@ -66,7 +66,7 @@ use crate::vstate::MeasuredRegion;
 use crate::vstate::{Error as VstateError, Vcpu, VcpuConfig, Vm};
 use arch::{ArchMemoryInfo, InitrdConfig};
 use device_manager::shm::ShmManager;
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 use devices::virtio::{fs::ExportTable, VirtioShmRegion};
 use flate2::read::GzDecoder;
 #[cfg(feature = "tee")]
@@ -851,7 +851,7 @@ pub fn build_microvm(
         vm_resources.console_output.clone(),
     )?;
 
-    #[cfg(not(feature = "tee"))]
+    #[cfg(any(not(feature = "tee"), feature = "cca"))]
     let export_table: Option<ExportTable> = if cfg!(feature = "gpu") {
         Some(Default::default())
     } else {
@@ -873,12 +873,12 @@ pub fn build_microvm(
         )?;
     }
 
-    #[cfg(not(feature = "tee"))]
+    #[cfg(any(not(feature = "tee"), feature = "cca"))]
     attach_fs_devices(
         &mut vmm,
         &vm_resources.fs,
         &mut _shm_manager,
-        #[cfg(not(feature = "tee"))]
+        #[cfg(any(not(feature = "tee"), feature = "cca"))]
         export_table,
         intc.clone(),
         exit_code,
@@ -1717,12 +1717,12 @@ fn attach_mmio_device(
     Ok(())
 }
 
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 fn attach_fs_devices(
     vmm: &mut Vmm,
     fs_devs: &[FsDeviceConfig],
     shm_manager: &mut ShmManager,
-    #[cfg(not(feature = "tee"))] export_table: Option<ExportTable>,
+    #[cfg(any(not(feature = "tee"), feature = "cca"))] export_table: Option<ExportTable>,
     intc: IrqChip,
     exit_code: Arc<AtomicI32>,
     #[cfg(target_os = "macos")] map_sender: Sender<WorkerMessage>,
@@ -1754,7 +1754,7 @@ fn attach_fs_devices(
             });
         }
 
-        #[cfg(not(feature = "tee"))]
+        #[cfg(any(not(feature = "tee"), feature = "cca"))]
         if let Some(export_table) = export_table.as_ref() {
             fs.lock().unwrap().set_export_table(export_table.clone());
         }

src/vmm/src/device_manager/shm.rs

@@ -46,7 +46,7 @@ impl ShmManager {
         regions
     }
 
-    #[cfg(not(feature = "tee"))]
+    #[cfg(any(not(feature = "tee"), feature = "cca"))]
     pub fn fs_region(&self, index: usize) -> Option<&ShmRegion> {
         self.fs_regions.get(&index)
     }

src/vmm/src/resources.rs

@@ -23,7 +23,7 @@ use kbs_types::Tee;
 use crate::vmm_config::block::{BlockBuilder, BlockConfigError, BlockDeviceConfig};
 use crate::vmm_config::boot_source::{BootSourceConfig, BootSourceConfigError};
 use crate::vmm_config::external_kernel::ExternalKernel;
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 use crate::vmm_config::fs::*;
 #[cfg(feature = "tee")]
 use crate::vmm_config::kernel_bundle::{InitrdBundle, QbootBundle, QbootBundleError};
@@ -103,7 +103,7 @@ pub struct VmResources {
     #[cfg(feature = "tee")]
     pub initrd_bundle: Option<InitrdBundle>,
     /// The fs device.
-    #[cfg(not(feature = "tee"))]
+    #[cfg(any(not(feature = "tee"), feature = "cca"))]
     pub fs: Vec<FsDeviceConfig>,
     /// The vsock device.
     pub vsock: VsockBuilder,
@@ -253,7 +253,7 @@ impl VmResources {
         Ok(())
     }
 
-    #[cfg(not(feature = "tee"))]
+    #[cfg(any(not(feature = "tee"), feature = "cca"))]
     pub fn add_fs_device(&mut self, config: FsDeviceConfig) {
         self.fs.push(config)
     }

src/vmm/src/vmm_config/mod.rs

@@ -12,7 +12,7 @@ pub mod boot_source;
 pub mod external_kernel;
 
 /// Wrapper for configuring the Fs devices attached to the microVM.
-#[cfg(not(feature = "tee"))]
+#[cfg(any(not(feature = "tee"), feature = "cca"))]
 pub mod fs;
 
 /// Wrapper over the microVM general information attached to the microVM.