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authorTheodore Ts'o <tytso@mit.edu>2016-11-26 22:18:59 -0500
committerTheodore Ts'o <tytso@mit.edu>2016-12-11 16:26:10 -0500
commit41d5319af3368127b55f6587f1c747dd6a7b9b04 (patch)
tree257632be4894f6d505ac676b466a4fd4adf0a1a7 /include/uapi
parentcc4e0df038ddb73510c01712abf302b3f0130147 (diff)
fscrypt: move the policy flags and encryption mode definitions to uapi header
These constants are part of the UAPI, so they belong in include/uapi/linux/fs.h instead of include/linux/fscrypto.h Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/fs.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index acb2b6152ba0..0496d37abe28 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -254,6 +254,20 @@ struct fsxattr {
/* Policy provided via an ioctl on the topmost directory */
#define FS_KEY_DESCRIPTOR_SIZE 8
+#define FS_POLICY_FLAGS_PAD_4 0x00
+#define FS_POLICY_FLAGS_PAD_8 0x01
+#define FS_POLICY_FLAGS_PAD_16 0x02
+#define FS_POLICY_FLAGS_PAD_32 0x03
+#define FS_POLICY_FLAGS_PAD_MASK 0x03
+#define FS_POLICY_FLAGS_VALID 0x03
+
+/* Encryption algorithms */
+#define FS_ENCRYPTION_MODE_INVALID 0
+#define FS_ENCRYPTION_MODE_AES_256_XTS 1
+#define FS_ENCRYPTION_MODE_AES_256_GCM 2
+#define FS_ENCRYPTION_MODE_AES_256_CBC 3
+#define FS_ENCRYPTION_MODE_AES_256_CTS 4
+
struct fscrypt_policy {
__u8 version;
__u8 contents_encryption_mode;