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authorHoria Geantă <horia.geanta@nxp.com>2017-11-07 15:11:23 (GMT)
committerXie Xiaobo <xiaobo.xie@nxp.com>2017-12-12 07:32:39 (GMT)
commitd1583cff6c160d5be0036ca0cefbfde2da48c537 (patch)
tree1371c654a78d044b7a3e9b1890a74ba776ba20dd /drivers/crypto/caam/desc.h
parenta21b0d0c6ebd51896584aadb8251b5ca77daa0df (diff)
downloadlinux-d1583cff6c160d5be0036ca0cefbfde2da48c537.tar.xz
crypto: caam - add Derived Key Protocol (DKP) support
Offload split key generation in CAAM engine, using DKP. DKP is supported starting with Era 6. Note that the way assoclen is transmitted from the job descriptor to the shared descriptor changes - DPOVRD register is used instead of MATH3 (where available), since DKP protocol thrashes the MATH registers. Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Diffstat (limited to 'drivers/crypto/caam/desc.h')
-rw-r--r--drivers/crypto/caam/desc.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h
index a8c3be7..5fe5123 100644
--- a/drivers/crypto/caam/desc.h
+++ b/drivers/crypto/caam/desc.h
@@ -446,6 +446,18 @@
#define OP_PCLID_DSAVERIFY (0x16 << OP_PCLID_SHIFT)
#define OP_PCLID_RSAENC_PUBKEY (0x18 << OP_PCLID_SHIFT)
#define OP_PCLID_RSADEC_PRVKEY (0x19 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_MD5 (0x20 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_SHA1 (0x21 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_SHA224 (0x22 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_SHA256 (0x23 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_SHA384 (0x24 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_SHA512 (0x25 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_MD5 (0x60 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_SHA1 (0x61 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_SHA224 (0x62 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_SHA256 (0x63 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_SHA384 (0x64 << OP_PCLID_SHIFT)
+#define OP_PCLID_DKP_RIF_SHA512 (0x65 << OP_PCLID_SHIFT)
/* Assuming OP_TYPE = OP_TYPE_DECAP_PROTOCOL/ENCAP_PROTOCOL */
#define OP_PCLID_IPSEC (0x01 << OP_PCLID_SHIFT)
@@ -1095,6 +1107,22 @@
/* MacSec protinfos */
#define OP_PCL_MACSEC 0x0001
+/* Derived Key Protocol (DKP) Protinfo */
+#define OP_PCL_DKP_SRC_SHIFT 14
+#define OP_PCL_DKP_SRC_MASK (3 << OP_PCL_DKP_SRC_SHIFT)
+#define OP_PCL_DKP_SRC_IMM (0 << OP_PCL_DKP_SRC_SHIFT)
+#define OP_PCL_DKP_SRC_SEQ (1 << OP_PCL_DKP_SRC_SHIFT)
+#define OP_PCL_DKP_SRC_PTR (2 << OP_PCL_DKP_SRC_SHIFT)
+#define OP_PCL_DKP_SRC_SGF (3 << OP_PCL_DKP_SRC_SHIFT)
+#define OP_PCL_DKP_DST_SHIFT 12
+#define OP_PCL_DKP_DST_MASK (3 << OP_PCL_DKP_DST_SHIFT)
+#define OP_PCL_DKP_DST_IMM (0 << OP_PCL_DKP_DST_SHIFT)
+#define OP_PCL_DKP_DST_SEQ (1 << OP_PCL_DKP_DST_SHIFT)
+#define OP_PCL_DKP_DST_PTR (2 << OP_PCL_DKP_DST_SHIFT)
+#define OP_PCL_DKP_DST_SGF (3 << OP_PCL_DKP_DST_SHIFT)
+#define OP_PCL_DKP_KEY_SHIFT 0
+#define OP_PCL_DKP_KEY_MASK (0xfff << OP_PCL_DKP_KEY_SHIFT)
+
/* PKI unidirectional protocol protinfo bits */
#define OP_PCL_PKPROT_TEST 0x0008
#define OP_PCL_PKPROT_DECRYPT 0x0004
@@ -1455,6 +1483,7 @@
#define MATH_DEST_REG1 (0x01 << MATH_DEST_SHIFT)
#define MATH_DEST_REG2 (0x02 << MATH_DEST_SHIFT)
#define MATH_DEST_REG3 (0x03 << MATH_DEST_SHIFT)
+#define MATH_DEST_DPOVRD (0x07 << MATH_DEST_SHIFT)
#define MATH_DEST_SEQINLEN (0x08 << MATH_DEST_SHIFT)
#define MATH_DEST_SEQOUTLEN (0x09 << MATH_DEST_SHIFT)
#define MATH_DEST_VARSEQINLEN (0x0a << MATH_DEST_SHIFT)