* This file defines macros and structures according to microcode spec
*
*/
+/* SE opcodes */
+#define CPT_MAJOR_OP_FC 0x33
+#define CPT_MAJOR_OP_HASH 0x34
+#define CPT_MAJOR_OP_HMAC 0x35
+#define CPT_MAJOR_OP_ZUC_SNOW3G 0x37
+#define CPT_MAJOR_OP_KASUMI 0x38
#define CPT_BYTE_16 16
#define CPT_BYTE_24 24
#define SG_LIST_HDR_SIZE (8u)
#define SG_ENTRY_SIZE sizeof(sg_comp_t)
+#define CPT_DMA_MODE (1 << 7)
+
+#define CPT_FROM_CTX 0
+#define CPT_FROM_DPTR 1
+
+#define FC_GEN 0x1
+#define ZUC_SNOW3G 0x2
+#define KASUMI 0x3
+#define HASH_HMAC 0x4
+
+#define ZS_EA 0x1
+#define ZS_IA 0x2
+#define K_F8 0x4
+#define K_F9 0x8
+
+#define CPT_OP_CIPHER_ENCRYPT 0x1
+#define CPT_OP_CIPHER_DECRYPT 0x2
+#define CPT_OP_CIPHER_MASK 0x3
+
+#define CPT_OP_AUTH_VERIFY 0x4
+#define CPT_OP_AUTH_GENERATE 0x8
+#define CPT_OP_AUTH_MASK 0xC
+
+#define CPT_OP_ENCODE (CPT_OP_CIPHER_ENCRYPT | CPT_OP_AUTH_GENERATE)
+#define CPT_OP_DECODE (CPT_OP_CIPHER_DECRYPT | CPT_OP_AUTH_VERIFY)
+
/* #define CPT_ALWAYS_USE_SG_MODE */
#define CPT_ALWAYS_USE_SEPARATE_BUF
+/*
+ * Parameters for Flexi Crypto
+ * requests
+ */
+#define VALID_AAD_BUF 0x01
+#define VALID_MAC_BUF 0x02
+#define VALID_IV_BUF 0x04
+#define SINGLE_BUF_INPLACE 0x08
+#define SINGLE_BUF_HEADTAILROOM 0x10
+
+#define ENCR_IV_OFFSET(__d_offs) ((__d_offs >> 32) & 0xffff)
+#define ENCR_OFFSET(__d_offs) ((__d_offs >> 16) & 0xffff)
+#define AUTH_OFFSET(__d_offs) (__d_offs & 0xffff)
+#define ENCR_DLEN(__d_lens) (__d_lens >> 32)
+#define AUTH_DLEN(__d_lens) (__d_lens & 0xffffffff)
+
+/* FC offset_control at start of DPTR in bytes */
+#define OFF_CTRL_LEN 8 /**< bytes */
+
+typedef enum {
+ MD5_TYPE = 1,
+ SHA1_TYPE = 2,
+ SHA2_SHA224 = 3,
+ SHA2_SHA256 = 4,
+ SHA2_SHA384 = 5,
+ SHA2_SHA512 = 6,
+ GMAC_TYPE = 7,
+ XCBC_TYPE = 8,
+ SHA3_SHA224 = 10,
+ SHA3_SHA256 = 11,
+ SHA3_SHA384 = 12,
+ SHA3_SHA512 = 13,
+ SHA3_SHAKE256 = 14,
+ SHA3_SHAKE512 = 15,
+
+ /* These are only for software use */
+ ZUC_EIA3 = 0x90,
+ SNOW3G_UIA2 = 0x91,
+ KASUMI_F9_CBC = 0x92,
+ KASUMI_F9_ECB = 0x93,
+} mc_hash_type_t;
+
+typedef enum {
+ /* To support passthrough */
+ PASSTHROUGH = 0x0,
+ /*
+ * These are defined by MC for Flexi crypto
+ * for field of 4 bits
+ */
+ DES3_CBC = 0x1,
+ DES3_ECB = 0x2,
+ AES_CBC = 0x3,
+ AES_ECB = 0x4,
+ AES_CFB = 0x5,
+ AES_CTR = 0x6,
+ AES_GCM = 0x7,
+ AES_XTS = 0x8,
+
+ /* These are only for software use */
+ ZUC_EEA3 = 0x90,
+ SNOW3G_UEA2 = 0x91,
+ KASUMI_F8_CBC = 0x92,
+ KASUMI_F8_ECB = 0x93,
+} mc_cipher_type_t;
+
+typedef enum {
+ AES_128_BIT = 0x1,
+ AES_192_BIT = 0x2,
+ AES_256_BIT = 0x3
+} mc_aes_type_t;
+
+typedef enum {
+ /* Microcode errors */
+ NO_ERR = 0x00,
+ ERR_OPCODE_UNSUPPORTED = 0x01,
+
+ /* SCATTER GATHER */
+ ERR_SCATTER_GATHER_WRITE_LENGTH = 0x02,
+ ERR_SCATTER_GATHER_LIST = 0x03,
+ ERR_SCATTER_GATHER_NOT_SUPPORTED = 0x04,
+
+ /* SE GC */
+ ERR_GC_LENGTH_INVALID = 0x41,
+ ERR_GC_RANDOM_LEN_INVALID = 0x42,
+ ERR_GC_DATA_LEN_INVALID = 0x43,
+ ERR_GC_DRBG_TYPE_INVALID = 0x44,
+ ERR_GC_CTX_LEN_INVALID = 0x45,
+ ERR_GC_CIPHER_UNSUPPORTED = 0x46,
+ ERR_GC_AUTH_UNSUPPORTED = 0x47,
+ ERR_GC_OFFSET_INVALID = 0x48,
+ ERR_GC_HASH_MODE_UNSUPPORTED = 0x49,
+ ERR_GC_DRBG_ENTROPY_LEN_INVALID = 0x4a,
+ ERR_GC_DRBG_ADDNL_LEN_INVALID = 0x4b,
+ ERR_GC_ICV_MISCOMPARE = 0x4c,
+ ERR_GC_DATA_UNALIGNED = 0x4d,
+
+ /* API Layer */
+ ERR_BAD_ALT_CCODE = 0xfd,
+ ERR_REQ_PENDING = 0xfe,
+ ERR_REQ_TIMEOUT = 0xff,
+
+ ERR_BAD_INPUT_LENGTH = (0x40000000 | 384), /* 0x40000180 */
+ ERR_BAD_KEY_LENGTH,
+ ERR_BAD_KEY_HANDLE,
+ ERR_BAD_CONTEXT_HANDLE,
+ ERR_BAD_SCALAR_LENGTH,
+ ERR_BAD_DIGEST_LENGTH,
+ ERR_BAD_INPUT_ARG,
+ ERR_BAD_RECORD_PADDING,
+ ERR_NB_REQUEST_PENDING,
+ ERR_EIO,
+ ERR_ENODEV,
+} mc_error_code_t;
+
typedef struct sglist_comp {
union {
uint64_t len;
uint8_t auth_key[64];
};
+/* Buffer pointer */
+typedef struct buf_ptr {
+ void *vaddr;
+ phys_addr_t dma_addr;
+ uint32_t size;
+ uint32_t resv;
+} buf_ptr_t;
+
+/* IOV Pointer */
+typedef struct{
+ int buf_cnt;
+ buf_ptr_t bufs[0];
+} iov_ptr_t;
+
+typedef union opcode_info {
+ uint16_t flags;
+ struct {
+ uint8_t major;
+ uint8_t minor;
+ } s;
+} opcode_info_t;
+
+typedef struct fc_params {
+ /* 0th cache line */
+ union {
+ buf_ptr_t bufs[1];
+ struct {
+ iov_ptr_t *src_iov;
+ iov_ptr_t *dst_iov;
+ };
+ };
+ void *iv_buf;
+ void *auth_iv_buf;
+ buf_ptr_t meta_buf;
+ buf_ptr_t ctx_buf;
+ uint64_t rsvd2;
+
+ /* 1st cache line */
+ buf_ptr_t aad_buf;
+ buf_ptr_t mac_buf;
+
+} fc_params_t;
+
+typedef struct fc_params digest_params_t;
+
+/* Cipher Algorithms */
+typedef mc_cipher_type_t cipher_type_t;
+
+/* Auth Algorithms */
+typedef mc_hash_type_t auth_type_t;
+
+/* Helper macros */
+
#define CPT_P_ENC_CTRL(fctx) fctx->enc.enc_ctrl.e
+#define SRC_IOV_SIZE \
+ (sizeof(iov_ptr_t) + (sizeof(buf_ptr_t) * CPT_MAX_SG_CNT))
+#define DST_IOV_SIZE \
+ (sizeof(iov_ptr_t) + (sizeof(buf_ptr_t) * CPT_MAX_SG_CNT))
+
+#define SESS_PRIV(__sess) \
+ (void *)((uint8_t *)__sess + sizeof(struct cpt_sess_misc))
+
#endif /* _CPT_MCODE_DEFINES_H_ */