From 295903707768a8550432ad63120d62f78410ee7e Mon Sep 17 00:00:00 2001 From: Aneesh Bansal Date: Mon, 15 Feb 2016 15:12:56 +0530 Subject: [PATCH] drivers/crypto/fsl: add constructs for protocol descriptors Construct APIs are added to create Protocol Descriptors for CAAM block. Signed-off-by: Ruchika Gupta Signed-off-by: Aneesh Bansal CC: Ulises Cardenas Reviewed-by: York Sun --- 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); -- 2.7.4