diff --git a/Cargo.lock b/Cargo.lock
index 27e6b55..5e450dc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1106,6 +1106,7 @@ dependencies = [
  "vm-aarch64",
  "vm-fdt",
  "vm-mm",
+ "vm-snapshot",
 ]
 
 [[package]]
@@ -1168,6 +1169,13 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "vm-snapshot"
+version = "0.1.0"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "vm-virtio"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 8336c76..f347f89 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,6 +36,7 @@ vm-device = { path = "crates/vm-device" }
 vm-fdt = "0.3.0"
 vm-mm = { path = "crates/vm-mm" }
 vm-pci = { path = "crates/vm-pci" }
+vm-snapshot = { path = "crates/vm-snapshot" }
 vm-virtio = { path = "crates/vm-virtio" }
 vm-vmm = { path = "crates/vm-vmm" }
 zerocopy = { version = "0.8.33", features = ["derive"] }
diff --git a/crates/vm-core/Cargo.toml b/crates/vm-core/Cargo.toml
index 19a9a52..2070719 100644
--- a/crates/vm-core/Cargo.toml
+++ b/crates/vm-core/Cargo.toml
@@ -17,6 +17,7 @@ thiserror = { workspace = true }
 tokio = { workspace = true }
 vm-fdt = { workspace = true }
 vm-mm = { workspace = true }
+vm-snapshot = { workspace = true }
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 vm-aarch64 = { workspace = true }
diff --git a/crates/vm-core/src/device.rs b/crates/vm-core/src/device.rs
index 169ef88..2ddd5ed 100644
--- a/crates/vm-core/src/device.rs
+++ b/crates/vm-core/src/device.rs
@@ -1,6 +1,17 @@
+use vm_snapshot::ops::Pausable;
+use vm_snapshot::ops::Snapshotable;
+
 pub mod mmio;
 pub mod pio;
 
 pub trait Device: Send + Sync {
     fn name(&self) -> String;
+
+    fn support_pause(&mut self) -> Option<&mut dyn Pausable> {
+        None
+    }
+
+    fn support_snapshot(&mut self) -> Option<&mut dyn Snapshotable> {
+        None
+    }
 }
diff --git a/crates/vm-snapshot/Cargo.toml b/crates/vm-snapshot/Cargo.toml
new file mode 100644
index 0000000..4d1750e
--- /dev/null
+++ b/crates/vm-snapshot/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "vm-snapshot"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+thiserror = { workspace = true }
diff --git a/crates/vm-snapshot/src/lib.rs b/crates/vm-snapshot/src/lib.rs
new file mode 100644
index 0000000..af83854
--- /dev/null
+++ b/crates/vm-snapshot/src/lib.rs
@@ -0,0 +1,3 @@
+#![deny(warnings)]
+
+pub mod ops;
diff --git a/crates/vm-snapshot/src/ops.rs b/crates/vm-snapshot/src/ops.rs
new file mode 100644
index 0000000..10c6ee8
--- /dev/null
+++ b/crates/vm-snapshot/src/ops.rs
@@ -0,0 +1,22 @@
+use std::io::Read;
+use std::io::Write;
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+}
+
+pub trait Pausable {
+    fn pause(&mut self) -> Result<(), Error>;
+
+    fn resume(&mut self) -> Result<(), Error>;
+}
+
+pub trait Snapshotable {
+    fn save(&self, writer: &mut dyn Write) -> Result<Vec<u8>, Error>;
+
+    fn restore(&mut self, reader: &mut dyn Read) -> Result<(), Error>;
+}