Add Async FS

src/libos/Cargo.toml

@@ -10,6 +10,8 @@ crate-type = ["staticlib"]
 [dependencies]
 async-rt  = { path = "crates/async-rt", default-features = false, features = ["sgx"] }
 async-io  = { path = "crates/async-io", features = ["sgx"] }
+async-vfs = { path = "crates/async-vfs", features = ["sgx"] }
+async-sfs = { path = "crates/async-sfs", default-features = false, features = ["sgx"] }
 atomic = "0.5"
 bitflags = "1.0"
 bitvec = { version = "0.17", default-features = false, features = ["alloc"]  }

src/libos/crates/Cargo.toml

@@ -3,6 +3,8 @@
 members = [
     "async-rt",
     "async-io",
+    "async-sfs",
+    "async-vfs",
     "block-device",
     "inherit-methods-macro",
     "errno",
@@ -21,6 +23,8 @@ members = [
 default-members = [
     "async-rt",
     "async-io",
+    "async-sfs",
+    "async-vfs",
     "block-device",
     "host-socket",
     "inherit-methods-macro",

src/libos/crates/async-io/src/file/file.rs

@@ -221,7 +221,7 @@ impl<F: File + ?Sized> Async<F> {
     pub fn status_flags(&self) -> StatusFlags;
     pub fn set_status_flags(&self, new_status: StatusFlags) -> Result<()>;
     pub fn access_mode(&self) -> AccessMode;
-    pub fn ioctl(&self, cmd: &mut dyn IoctlCmd) -> Result<()>;
+    pub async fn ioctl(&self, cmd: &mut dyn IoctlCmd) -> Result<()>;
     pub fn stat(&self) -> StatBuf;
 }
 

src/libos/crates/async-io/src/fs/mod.rs

@@ -4,8 +4,8 @@ mod mount_flags;
 mod stat_buf;
 
 pub use rcore_fs::vfs::{
-    DirentWriter, DirentWriterContext, FallocateMode, FileSystem, FileType, FsError, FsInfo, INode,
-    Metadata, Timespec, PATH_MAX,
+    AnyExt, DirentWriter, DirentWriterContext, Extension, FallocateMode, FileSystem, FileType,
+    FsError, FsInfo, INode, Metadata, Timespec, PATH_MAX,
 };
 
 pub use self::fallocate_flags::FallocateFlags;

src/libos/crates/async-io/src/ioctl/mod.rs

@@ -147,7 +147,7 @@ use downcast_rs::{impl_downcast, Downcast};
 /// let dummy : Box<dyn IoctlCmd> = Box::new(DummyCmd);
 /// assert!(dummy.downcast_ref::<DummyCmd>().is_some());
 /// ```
-pub trait IoctlCmd: Downcast + Debug {}
+pub trait IoctlCmd: Downcast + Debug + Sync + Send {}
 impl_downcast!(IoctlCmd);
 
 /// A convenient macro to define a struct for some type of ioctl command.

src/libos/crates/async-sfs/Cargo.toml

@@ -0,0 +1,36 @@
+[package]
+name = "async-sfs"
+version = "0.1.0"
+authors = ["Li Qing <geding.lq@antgroup.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+default = ["libc", "lru/default", "page-cache/default"]
+sgx = ["sgx_types", "sgx_tstd", "sgx_trts", "sgx_libc", "async-vfs/sgx", "async-io/sgx", "async-rt/sgx", "page-cache/sgx", "lru/sgx"]
+
+[dependencies]
+async-vfs = { path = "../async-vfs" }
+async-io = { path = "../async-io" }
+async-rt = { path = "../async-rt" }
+errno = { path = "../errno" }
+block-device = { path = "../block-device" }
+page-cache = { path = "../page-cache", default-features = false }
+async-trait = "0.1.52"
+static_assertions = "0.3"
+log = "0.4"
+cfg-if = "1.0"
+lru = { path = "../../../../deps/lru-rs", default-features = false }
+libc = { version = "0.2", optional = true }
+bitvec = { version = "0.17", default-features = false, features = ["alloc"] }
+lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
+
+sgx_types = { path = "../../../../deps/rust-sgx-sdk/sgx_types", optional = true }
+sgx_tstd = { path = "../../../../deps/rust-sgx-sdk/sgx_tstd", optional = true, features = ["backtrace"] }
+sgx_trts = { path = "../../../../deps/rust-sgx-sdk/sgx_trts", optional = true }
+sgx_libc = { path = "../../../../deps/rust-sgx-sdk/sgx_libc", optional = true }
+
+[dev-dependencies]
+async-rt = { path = "../async-rt", features = ["auto_run"] }
+sgx-disk= { path = "../sgx-disk" }