Construct API's have been added to create Protocol Descriptors
for CAAM block.
CC: Ulises Cardenas <raul.ca...@nxp.com>
Signed-off-by: Ruchika Gupta <ruchika.gu...@nxp.com>
Signed-off-by: Aneesh Bansal <aneesh.ban...@nxp.com>
---
drivers/crypto/fsl/desc.h | 25 +++++++++++++++++++++++++
drivers/crypto/fsl/desc_constr.h | 27 +++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/drivers/crypto/fsl/desc.h b/drivers/crypto/fsl/desc.h
index 18e2ec8..1c13fbc 100644
--- a/drivers/crypto/fsl/desc.h
+++ b/drivers/crypto/fsl/desc.h
@@ -436,6 +436,31 @@
#define OP_PCLID_BLOB (0x0d << OP_PCLID_SHIFT)
#define OP_PCLID_SECRETKEY (0x11 << OP_PCLID_SHIFT)
#define OP_PCLID_PUBLICKEYPAIR (0x14 << OP_PCLID_SHIFT)
+#define OP_PCLID_DSA_SIGN (0x15 << OP_PCLID_SHIFT)
+#define OP_PCLID_DSA_VERIFY (0x16 << OP_PCLID_SHIFT)
+
+/* Assuming OP_TYPE = OP_TYPE_DECAP_PROTOCOL */
+#define OP_PCLID_MP_PUB_KEY (0x14 << OP_PCLID_SHIFT)
+#define OP_PCLID_MP_SIGN (0x15 << OP_PCLID_SHIFT)
+
+/* Assuming OP_TYPE = OP_TYPE_ENCAP_PROTOCOL */
+#define OP_PCLID_MP_PRIV_KEY (0x14 << OP_PCLID_SHIFT)
+
+/* PROTINFO fields for discrete log public key protocols */
+#define OP_PROTINFO_F2M_FP 0x00000001
+#define OP_PROTINFO_ECC_DL 0x00000002
+#define OP_PROTINFO_ENC_PRI 0x00000004
+#define OP_PROTINFO_TEST 0x00000008
+#define OP_PROTINFO_EXT_PRI 0x00000010
+#define OP_PROTINFO_ENC_Z 0x00000020
+#define OP_PROTINFO_EKT_Z 0x00000040
+#define OP_PROTINFO_MES_REP 0x00000400
+#define OP_PROTINFO_HASH_MD5 0x00000000
+#define OP_PROTINFO_HASH_SHA1 0x00000080
+#define OP_PROTINFO_HASH_SHA224 0x00000100
+#define OP_PROTINFO_HASH_SHA256 0x00000180
+#define OP_PROTINFO_HASH_SHA384 0x00000200
+#define OP_PROTINFO_HASH_SHA512 0x00000280
/* For non-protocol/alg-only op commands */
#define OP_ALG_TYPE_SHIFT 24
diff --git a/drivers/crypto/fsl/desc_constr.h b/drivers/crypto/fsl/desc_constr.h
index 2559ccd..4ea93b0 100644
--- a/drivers/crypto/fsl/desc_constr.h
+++ b/drivers/crypto/fsl/desc_constr.h
@@ -53,6 +53,19 @@ union ptr_addr_t {
};
#endif
+static inline void pdb_add_ptr(dma_addr_t *offset, dma_addr_t ptr)
+{
+#ifdef CONFIG_PHYS_64BIT
+ /* The Position of low and high part of 64 bit address
+ * will depend on the endianness of CAAM Block */
+ union ptr_addr_t *ptr_addr = (union ptr_addr_t *)offset;
+ ptr_addr->m_halfs.high = (u32)(ptr >> 32);
+ ptr_addr->m_halfs.low = (u32)ptr;
+#else
+ *offset = ptr;
+#endif
+}
+
static inline int desc_len(u32 *desc)
{
return *desc & HDR_DESCLEN_MASK;
@@ -68,6 +81,11 @@ static inline u32 *desc_end(u32 *desc)
return desc + desc_len(desc);
}
+static inline void *desc_pdb(u32 *desc)
+{
+ return desc + 1;
+}
+
static inline void init_desc(u32 *desc, u32 options)
{
*desc = (options | HDR_ONE) + 1;
@@ -78,6 +96,15 @@ static inline void init_job_desc(u32 *desc, u32 options)
init_desc(desc, CMD_DESC_HDR | options);
}
+static inline void init_job_desc_pdb(u32 *desc, u32 options, size_t pdb_bytes)
+{
+ u32 pdb_len = (pdb_bytes + CAAM_CMD_SZ - 1) / CAAM_CMD_SZ;
+
+ init_job_desc(desc,
+ (((pdb_len + 1) << HDR_START_IDX_SHIFT) + pdb_len) |
+ options);
+}
+
static inline void append_ptr(u32 *desc, dma_addr_t ptr)
{
dma_addr_t *offset = (dma_addr_t *)desc_end(desc);
--
1.8.1.4
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