crypto: add lz4 Cryptographic API

Add support for lz4 and lz4hc compression algorithm using the lib/lz4/*
codebase.

[akpm@linux-foundation.org: fix warnings]
Signed-off-by: Chanho Min <chanho.min@lge.com>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
Cc: Bob Pearson <rpearson@systemfabricworks.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Herbert Xu <herbert@gondor.hengli.com.au>
Cc: Yann Collet <yann.collet.73@gmail.com>
Cc: Kyungsik Lee <kyungsik.lee@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 904ffe838567..69ce573f1224 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1336,6 +1336,22 @@ config CRYPTO_842
         help
           This is the 842 algorithm.
 
+config CRYPTO_LZ4
+        tristate "LZ4 compression algorithm"
+        select CRYPTO_ALGAPI
+        select LZ4_COMPRESS
+        select LZ4_DECOMPRESS
+        help
+          This is the LZ4 algorithm.
+
+config CRYPTO_LZ4HC
+        tristate "LZ4HC compression algorithm"
+        select CRYPTO_ALGAPI
+        select LZ4HC_COMPRESS
+        select LZ4_DECOMPRESS
+        help
+          This is the LZ4 high compression mode algorithm.
+
 comment "Random Number Generation"
 
 config CRYPTO_ANSI_CPRNG