diff --git a/staging/security/see/storage/aidl/Android.bp b/staging/security/see/storage/aidl/Android.bp
new file mode 100644
index 0000000..f669be8
--- /dev/null
+++ b/staging/security/see/storage/aidl/Android.bp
@@ -0,0 +1,26 @@
+package {
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+aidl_interface {
+    name: "android.hardware.security.see.storage",
+    unstable: true,
+    host_supported: true,
+    srcs: [
+        "android/hardware/security/see/storage/*.aidl",
+    ],
+    backend: {
+        java: {
+            enabled: false,
+        },
+        cpp: {
+            enabled: true,
+        },
+        ndk: {
+            enabled: true,
+        },
+        rust: {
+            enabled: true,
+        },
+    },
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/CreationMode.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/CreationMode.aidl
new file mode 100644
index 0000000..1c65038
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/CreationMode.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+enum CreationMode {
+    /** Returns an error if the file does not already exist. */
+    NO_CREATE,
+
+    /** Creates the file or returns an error if it already exists. */
+    CREATE_EXCLUSIVE,
+
+    /** Creates the file if it does not already exist. */
+    CREATE,
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/DeleteOptions.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/DeleteOptions.aidl
new file mode 100644
index 0000000..1a94eb2
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/DeleteOptions.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.ReadIntegrity;
+
+parcelable DeleteOptions {
+    /**
+     * Set to acknowledge possible files tampering.
+     *
+     * If unacknowledged tampering is detected, the operation will fail with an ERR_FS_*
+     * service-specific code.
+     */
+    ReadIntegrity readIntegrity = ReadIntegrity.NO_TAMPER;
+
+    /**
+     * Allow writes to succeed while the filesystem is in the middle of an A/B update.
+     *
+     * If the A/B update fails, the operation will be rolled back. This rollback will not
+     * cause subsequent operations fail with any ERR_FS_* code nor will need to be
+     * acknowledged by setting the `readIntegrity`.
+     */
+    boolean allowWritesDuringAbUpdate = false;
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileAvailability.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileAvailability.aidl
new file mode 100644
index 0000000..d339170
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileAvailability.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+/** Determines how early during the boot process file is able to be accessed. */
+enum FileAvailability {
+    /** Available before userdata is mounted, but after android has booted. */
+    BEFORE_USERDATA,
+
+    /** Available after userdata is mounted. */
+    AFTER_USERDATA,
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileIntegrity.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileIntegrity.aidl
new file mode 100644
index 0000000..1879b16
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileIntegrity.aidl
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+enum FileIntegrity {
+    /** REE may prevent operations, but cannot alter data once written. */
+    TAMPER_PROOF_AT_REST,
+
+    /**
+     * REE may alter written data, but changes will be detected and reported as
+     * an error on read.
+     */
+    TAMPER_DETECT,
+
+    /**
+     * REE may alter written data. Changes other than full filesystem resets will be detected and
+     * reported.
+     */
+    TAMPER_DETECT_IGNORE_RESET,
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileMode.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileMode.aidl
new file mode 100644
index 0000000..18a2eae
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileMode.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+enum FileMode {
+    /** The file may only be read from. */
+    READ_ONLY,
+
+    /** The file may only be written to. */
+    WRITE_ONLY,
+
+    /** The file may be both read from and written to. */
+    READ_WRITE,
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileProperties.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileProperties.aidl
new file mode 100644
index 0000000..733b5b0
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/FileProperties.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.FileAvailability;
+import android.hardware.security.see.storage.FileIntegrity;
+
+parcelable FileProperties {
+    FileIntegrity integrity = FileIntegrity.TAMPER_PROOF_AT_REST;
+    FileAvailability availability = FileAvailability.BEFORE_USERDATA;
+
+    /** Whether the file is reset when user data is wiped. */
+    boolean persistent;
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/IDir.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IDir.aidl
new file mode 100644
index 0000000..a0a9f3d
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IDir.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+/** The interface for an open directory */
+interface IDir {
+    /**
+     * Gets the next batch of filenames in this directory.
+     *
+     * Calling multiple times will return different results as the IDir iterates through all the
+     * files it contains. When all filenames have been returned, all successive calls will return an
+     * empty list.
+     *
+     * @maxCount:
+     *     the maximum number of filenames to return. A @maxCount of 0 signifies no limit on the
+     * number of filenames returned.
+     *
+     * Returns:
+     *     An ordered list of filenames. If @maxCount > 0, the length of the returned list will be
+     * less than or equal to @maxCount.
+     *
+     * May return service-specific errors:
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       dir was opened with does not acknowledge
+     */
+    @utf8InCpp String[] readNextFilenames(int maxCount);
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/IFile.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IFile.aidl
new file mode 100644
index 0000000..ff26aa4
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IFile.aidl
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.CreationMode;
+
+/** The interface for an open file */
+interface IFile {
+    /**
+     * Read bytes from this file.
+     *
+     * @size:
+     *     the size (in bytes) of the segment to read. If @size is larger than the service's maximum
+     *       read size, the call will return an error (EX_ILLEGAL_ARGUMENT).
+     * @offset:
+     *     the offset (in bytes) at which to start reading
+     *
+     * Return:
+     *     the sequence of bytes at [offset, offset + size) in the file
+     *
+     * May return service-specific errors:
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       file was opened with does not acknowledge
+     */
+    byte[] read(long size, long offset);
+
+    /**
+     * Write the bytes in `buffer` to this file.
+     *
+     * @offset:
+     *     the offset (in bytes) at which to start writing
+     *
+     * Return:
+     *     the number of bytes written successfully
+     *
+     * May return service-specific errors:
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       file was opened with does not acknowledge
+     */
+    long write(long offset, in byte[] buffer);
+
+    /**
+     * Reads this file's size.
+     *
+     * May return service-specific errors:
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       file was opened with does not acknowledge
+     */
+    long getSize();
+
+    /**
+     * Sets this file's size.
+     *
+     * Truncates the file if `new_size` is less than the current size. If `new_size` is greater than
+     * the current size, the file will be extended with zeroed data.
+     *
+     * @newSize:
+     *     the file's new size
+     *
+     * May return service-specific errors:
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       file was opened with does not acknowledge
+     */
+    void setSize(long newSize);
+
+    /**
+     * Renames this file.
+     *
+     * @destPath:
+     *     the file's new path, relative to filesystem root
+     * @destCreateMode:
+     *     controls creation behavior of the dest file
+     *
+     * May return service-specific errors:
+     *   - ERR_NOT_FOUND if no file exists at @destPath and @destCreateMode is `NO_CREATE`
+     *   - ERR_ALREADY_EXISTS if a file already exists at @destPath and @destCreateMode is
+     *       `CREATE_EXCLUSIVE`
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that the `readIntegrity` the
+     *       file was opened with does not acknowledge
+     */
+    void rename(in @utf8InCpp String destPath, in CreationMode destCreateMode);
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl
new file mode 100644
index 0000000..be3c045
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.FileProperties;
+import android.hardware.security.see.storage.IStorageSession;
+
+/**
+ * Interface for the Secure Storage HAL
+ *
+ * Creates sessions which can be used to access storage.
+ */
+interface ISecureStorage {
+    const int ERR_UNSUPPORTED_PROPERTIES = 1;
+    const int ERR_NOT_FOUND = 2;
+    const int ERR_ALREADY_EXISTS = 3;
+    const int ERR_BAD_TRANSACTION = 4;
+
+    const int ERR_FS_RESET = 5;
+    const int ERR_FS_ROLLED_BACK = 6;
+    const int ERR_FS_TAMPERED = 7;
+
+    /**
+     * Starts a storage session for a filesystem.
+     *
+     * @properties:
+     *     the minimum filesystem properties requested for the session.
+     *
+     * May return service-specific errors:
+     *   - ERR_UNSUPPORTED_PROPERTIES if no filesystems exist which meet the minimum requested
+     * requirements
+     */
+    IStorageSession startSession(in FileProperties properties);
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/IStorageSession.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IStorageSession.aidl
new file mode 100644
index 0000000..cd126b8
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/IStorageSession.aidl
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.DeleteOptions;
+import android.hardware.security.see.storage.IDir;
+import android.hardware.security.see.storage.IFile;
+import android.hardware.security.see.storage.OpenOptions;
+import android.hardware.security.see.storage.ReadIntegrity;
+import android.hardware.security.see.storage.RenameOptions;
+
+/**
+ * Interface for a Secure Storage session
+ *
+ * When the connection is opened, it will start a transaction and any changes made through this
+ * session or the interfaces this session returns will be added to this transaction's pending
+ * changes. Calling `CommitChanges`/`AbandonChanges` will commit/abandon these pending changes, and
+ * start a new, empty transaction. The interfaces this session returns _remain_ valid across
+ * transactions; it is not necessary, for example, to reopen a file after a commit.
+ *
+ * Any changes still pending when the session is dropped will be abandoned.
+ */
+interface IStorageSession {
+    /**
+     * Commits any pending changes made through this session to storage.
+     *
+     * The session will no longer have pending changes after this call returns. Files may then still
+     * be modified through this session to create another commit.
+     *
+     * May return service-specific errors:
+     *   - ERR_BAD_TRANSACTION
+     */
+    void commitChanges();
+
+    /**
+     * Abandons any pending changes made through this session.
+     *
+     * The session can then be reused to make new changes.
+     */
+    void abandonChanges();
+
+    /**
+     * Opens a secure file for writing and/or reading.
+     *
+     * Changes made to the file are part of the current transaction. Dropping this session
+     * invalidates the returned `IFile` interface
+     *
+     * @filePath:
+     *     path to the file, relative to filesystem root
+     * @options:
+     *     options controlling opening behavior
+     *
+     * May return service-specific errors:
+     *   - ERR_NOT_FOUND
+     *   - ERR_ALREADY_EXISTS
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that @options.readIntegrity
+     *       does not acknowledge
+     */
+    IFile openFile(in @utf8InCpp String filePath, in OpenOptions options);
+
+    /**
+     * Delete a file.
+     *
+     * @filePath:
+     *     path to the file, relative to filesystem root
+     * @options:
+     *     options controlling deletion behavior
+     *
+     * May return service-specific errors:
+     *   - ERR_NOT_FOUND
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that @options.readIntegrity
+     *       does not acknowledge
+     */
+    void deleteFile(in @utf8InCpp String filePath, in DeleteOptions options);
+
+    /**
+     * Renames an existing file.
+     *
+     * The file must not already be opened. (If it is, use `IFile::rename`.)
+     *
+     * @currentPath:
+     *     path to the file, relative to filesystem root
+     * @destPath:
+     *     the file's new path, relative to filesystem root
+     * @options:
+     *     options controlling rename behavior
+     *
+     * May return service-specific errors:
+     *   - ERR_NOT_FOUND if no file exists at @currentPath, or if @options.destCreateMode is
+     *       `NO_CREATE` and no file exists at @destPath
+     *   - ERR_ALREADY_EXISTS if @options.destCreateMode is `CREATE_EXCLUSIVE` and a file exists at
+     *       @destPath
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that @options.readIntegrity
+     *       does not acknowledge
+     */
+    void renameFile(in @utf8InCpp String currentPath, in @utf8InCpp String destPath,
+            in RenameOptions options);
+
+    /**
+     * Opens a directory from a filesystem with the given properties.
+     *
+     * Dropping this session invalidates the returned `IDir` interface.
+     *
+     * @path:
+     *     path to the directory, relative to filesystem root
+     * @readIntegrity:
+     *     allow opening (and subsequent read/write operations) despite possible tampering for the
+     * directory
+     *
+     * May return service-specific errors:
+     *   - ERR_NOT_FOUND
+     *   - ERR_FS_* if the filesystem has been tampered with in a way that @readIntegrity does not
+     *       acknowledge
+     */
+    IDir openDir(in @utf8InCpp String path, in ReadIntegrity readIntegrity);
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/OpenOptions.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/OpenOptions.aidl
new file mode 100644
index 0000000..997ca62
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/OpenOptions.aidl
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.CreationMode;
+import android.hardware.security.see.storage.FileMode;
+import android.hardware.security.see.storage.ReadIntegrity;
+
+parcelable OpenOptions {
+    /** Controls creation behavior of the to-be-opened file. See `CreationMode` docs for details. */
+    CreationMode createMode = CreationMode.NO_CREATE;
+
+    /** Controls access behavior of the to-be-opened file. See `FileMode` docs for details. */
+    FileMode accessMode = FileMode.READ_WRITE;
+
+    /**
+     * Set to acknowledge possible files tampering.
+     *
+     * If unacknowledged tampering is detected, the operation will fail with an ERR_FS_*
+     * service-specific code.
+     */
+    ReadIntegrity readIntegrity = ReadIntegrity.NO_TAMPER;
+
+    /**
+     * If this file already exists, discard existing content and open
+     * it as a new file. No semantic change if the file does not exist.
+     */
+    boolean truncateOnOpen;
+
+    /**
+     * Allow writes to succeed while the filesystem is in the middle of an A/B update.
+     *
+     * If the A/B update fails, the operation will be rolled back. This rollback will not
+     * cause subsequent operations fail with any ERR_FS_* code nor will need to be
+     * acknowledged by setting the `readIntegrity`.
+     */
+    boolean allowWritesDuringAbUpdate = false;
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/ReadIntegrity.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ReadIntegrity.aidl
new file mode 100644
index 0000000..cc0e4f9
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ReadIntegrity.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+enum ReadIntegrity {
+    /**
+     * Return an error on reads if any REE alteration of the written data
+     * has been detected.
+     */
+    NO_TAMPER,
+
+    /**
+     * Return an error on reads if any REE alteration other than a reset
+     * has been detected.
+     */
+    IGNORE_RESET,
+
+    /**
+     * Return an error if any REE alteration other than a rollback to a
+     * valid checkpoint has been detected. (What makes a checkpoint valid is
+     * implementation defined; an implementation might take a checkpoint on its
+     * first post-factory boot. A reset is a rollback to the initial state.)
+     */
+    IGNORE_ROLLBACK,
+
+    // There's no `IGNORE_ALL` because if REE has done any alteration other
+    // than a rollback, the file contents will be known-bad data.
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/RenameOptions.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/RenameOptions.aidl
new file mode 100644
index 0000000..f55ea7f
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/RenameOptions.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+import android.hardware.security.see.storage.CreationMode;
+import android.hardware.security.see.storage.ReadIntegrity;
+
+parcelable RenameOptions {
+    /** Controls creation behavior of the dest file. See `CreationMode` docs for details. */
+    CreationMode destCreateMode = CreationMode.CREATE_EXCLUSIVE;
+
+    /**
+     * Set to acknowledge possible files tampering.
+     *
+     * If unacknowledged tampering is detected, the operation will fail with an ERR_FS_*
+     * service-specific code.
+     */
+    ReadIntegrity readIntegrity = ReadIntegrity.NO_TAMPER;
+
+    /**
+     * Allow writes to succeed while the filesystem is in the middle of an A/B update.
+     *
+     * If the A/B update fails, the operation will be rolled back. This rollback will not
+     * cause subsequent operations fail with any ERR_FS_* code nor will need to be
+     * acknowledged by setting the `readIntegrity`.
+     */
+    boolean allowWritesDuringAbUpdate = false;
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/Tamper.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/Tamper.aidl
new file mode 100644
index 0000000..0a39fdd
--- /dev/null
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/Tamper.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.storage;
+
+/** Specifies types of REE tampering the filesystem may detect */
+enum Tamper {
+    /** REE has reset this file or the containing file system. */
+    RESET,
+
+    /** REE has rolled back this file or the containing file system to a previous state. */
+    ROLLBACK,
+
+    /** REE has made some other modification to the file. */
+    OTHER,
+}