crypto: caam/qi2 - add support for ChaCha20
Add support for ChaCha20 skcipher algorithm.
Signed-off-by: Carmen Iorga <carmen.iorga@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index ec1ef06..9d117e5 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -1159,6 +1159,7 @@
#define OP_ALG_ALGSEL_KASUMI (0x70 << OP_ALG_ALGSEL_SHIFT)
#define OP_ALG_ALGSEL_CRC (0x90 << OP_ALG_ALGSEL_SHIFT)
#define OP_ALG_ALGSEL_SNOW_F9 (0xA0 << OP_ALG_ALGSEL_SHIFT)
+#define OP_ALG_ALGSEL_CHACHA20 (0xD0 << OP_ALG_ALGSEL_SHIFT)
#define OP_ALG_AAI_SHIFT 4
#define OP_ALG_AAI_MASK (0x1ff << OP_ALG_AAI_SHIFT)
@@ -1206,6 +1207,11 @@
#define OP_ALG_AAI_RNG4_AI (0x80 << OP_ALG_AAI_SHIFT)
#define OP_ALG_AAI_RNG4_SK (0x100 << OP_ALG_AAI_SHIFT)
+/* Chacha20 AAI set */
+#define OP_ALG_AAI_AEAD (0x002 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_KEYSTREAM (0x001 << OP_ALG_AAI_SHIFT)
+#define OP_ALG_AAI_BC8 (0x008 << OP_ALG_AAI_SHIFT)
+
/* hmac/smac AAI set */
#define OP_ALG_AAI_HASH (0x00 << OP_ALG_AAI_SHIFT)
#define OP_ALG_AAI_HMAC (0x01 << OP_ALG_AAI_SHIFT)