1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
21 #define CC_REG_HIGH(name) (CC_REG_LOW(name) + name ## _BIT_SIZE - 1)
75 	DESC_DIRECTION_ILLEGAL = -1,
83 	DMA_MODE_NULL		= -1,
92 	FLOW_MODE_NULL		= -1,
180 #define CC_LAST_HW_KEY_SLOT	(CC_FIRST_HW_KEY_SLOT + CC_NUM_HW_KEY_SLOTS - 1)
185 					CC_NUM_CPP_KEY_SLOTS - 1)
208  * hw_desc_init() - Init a HW descriptor struct
217  * set_queue_last_ind_bit() - Indicate the end of current HW descriptors flow
224 	pdesc->word[3] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1);  in set_queue_last_ind_bit()
228  * set_din_type() - Set the DIN field of a HW descriptor
231  * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
232  * @addr: DIN address
237 				enum cc_dma_mode dma_mode, dma_addr_t addr,  in set_din_type()  argument
240 	pdesc->word[0] = lower_32_bits(addr);  in set_din_type()
242 	pdesc->word[5] |= FIELD_PREP(WORD5_DIN_ADDR_HIGH, upper_32_bits(addr));  in set_din_type()
244 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_DMA_MODE, dma_mode) |  in set_din_type()
250  * set_din_no_dma() - Set the DIN field of a HW descriptor to NO DMA mode.
254  * @addr: DIN address
257 static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size)  in set_din_no_dma()  argument
259 	pdesc->word[0] = addr;  in set_din_no_dma()
260 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size);  in set_din_no_dma()
264  * set_cpp_crypto_key() - Setup the special CPP descriptor
271 	pdesc->word[0] |= CC_CPP_DIN_ADDR;  in set_cpp_crypto_key()
273 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, CC_CPP_DIN_SIZE);  in set_cpp_crypto_key()
274 	pdesc->word[1] |= FIELD_PREP(WORD1_LOCK_QUEUE, 1);  in set_cpp_crypto_key()
276 	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, slot);  in set_cpp_crypto_key()
280  * set_din_sram() - Set the DIN field of a HW descriptor to SRAM mode.
285  * @addr: DIN address
288 static inline void set_din_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)  in set_din_sram()  argument
290 	pdesc->word[0] = addr;  in set_din_sram()
291 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size) |  in set_din_sram()
296  * set_din_const() - Set the DIN field of a HW descriptor to CONST mode
304 	pdesc->word[0] = val;  in set_din_const()
305 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_CONST_VALUE, 1) |  in set_din_const()
311  * set_din_not_last_indication() - Set the DIN not last input data indicator
317 	pdesc->word[1] |= FIELD_PREP(WORD1_NOT_LAST, 1);  in set_din_not_last_indication()
321  * set_dout_type() - Set the DOUT field of a HW descriptor
324  * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
325  * @addr: DOUT address
330 				 enum cc_dma_mode dma_mode, dma_addr_t addr,  in set_dout_type()  argument
333 	pdesc->word[2] = lower_32_bits(addr);  in set_dout_type()
335 	pdesc->word[5] |= FIELD_PREP(WORD5_DOUT_ADDR_HIGH, upper_32_bits(addr));  in set_dout_type()
337 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, dma_mode) |  in set_dout_type()
343  * set_dout_dlli() - Set the DOUT field of a HW descriptor to DLLI type
347  * @addr: DOUT address
352 static inline void set_dout_dlli(struct cc_hw_desc *pdesc, dma_addr_t addr,  in set_dout_dlli()  argument
356 	set_dout_type(pdesc, DMA_DLLI, addr, size, axi_sec);  in set_dout_dlli()
357 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);  in set_dout_dlli()
361  * set_dout_mlli() - Set the DOUT field of a HW descriptor to MLLI type
365  * @addr: DOUT address
370 static inline void set_dout_mlli(struct cc_hw_desc *pdesc, u32 addr, u32 size,  in set_dout_mlli()  argument
373 	set_dout_type(pdesc, DMA_MLLI, addr, size, axi_sec);  in set_dout_mlli()
374 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);  in set_dout_mlli()
378  * set_dout_no_dma() - Set the DOUT field of a HW descriptor to NO DMA mode.
382  * @addr: DOUT address
386 static inline void set_dout_no_dma(struct cc_hw_desc *pdesc, u32 addr,  in set_dout_no_dma()  argument
389 	pdesc->word[2] = addr;  in set_dout_no_dma()
390 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_SIZE, size) |  in set_dout_no_dma()
395  * set_xor_val() - Set the word for the XOR operation.
402 	pdesc->word[2] = val;  in set_xor_val()
406  * set_xor_active() - Set the XOR indicator bit in the descriptor
412 	pdesc->word[3] |= FIELD_PREP(WORD3_HASH_XOR_BIT, 1);  in set_xor_active()
416  * set_aes_not_hash_mode() - Select the AES engine instead of HASH engine when
417  * setting up combined mode with AES XCBC MAC
423 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_SEL_N_HASH, 1);  in set_aes_not_hash_mode()
427  * set_aes_xor_crypto_key() - Set aes xor crypto key, which in some scenarios
434 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1);  in set_aes_xor_crypto_key()
438  * set_dout_sram() - Set the DOUT field of a HW descriptor to SRAM mode
443  * @addr: DOUT address
446 static inline void set_dout_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)  in set_dout_sram()  argument
448 	pdesc->word[2] = addr;  in set_dout_sram()
449 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, DMA_SRAM) |  in set_dout_sram()
454  * set_xex_data_unit_size() - Set the data unit size for XEX mode in
458  * @size: Data unit size for XEX mode
462 	pdesc->word[2] = size;  in set_xex_data_unit_size()
466  * set_multi2_num_rounds() - Set the number of rounds for Multi2 in
474 	pdesc->word[2] = num;  in set_multi2_num_rounds()
478  * set_flow_mode() - Set the flow mode.
481  * @mode: Any one of the modes defined in [CC7x-DESC]
484 				 enum cc_flow_mode mode)  in set_flow_mode()  argument
486 	pdesc->word[4] |= FIELD_PREP(WORD4_DATA_FLOW_MODE, mode);  in set_flow_mode()
490  * set_cipher_mode() - Set the cipher mode.
493  * @mode: Any one of the modes defined in [CC7x-DESC]
495 static inline void set_cipher_mode(struct cc_hw_desc *pdesc, int mode)  in set_cipher_mode()  argument
497 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_MODE, mode);  in set_cipher_mode()
501  * set_hash_cipher_mode() - Set the cipher mode for hash algorithms.
504  * @cipher_mode: Any one of the modes defined in [CC7x-DESC]
517  * set_cipher_config0() - Set the cipher configuration fields.
520  * @mode: Any one of the modes defined in [CC7x-DESC]
522 static inline void set_cipher_config0(struct cc_hw_desc *pdesc, int mode)  in set_cipher_config0()  argument
524 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF0, mode);  in set_cipher_config0()
528  * set_cipher_config1() - Set the cipher configuration fields.
531  * @config: Padding mode
536 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF1, config);  in set_cipher_config1()
540  * set_hw_crypto_key() - Set HW key configuration fields.
548 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,  in set_hw_crypto_key()
555  * set_bytes_swap() - Set byte order of all setup-finalize descriptors.
562 	pdesc->word[4] |= FIELD_PREP(WORD4_BYTES_SWAP, config);  in set_bytes_swap()
566  * set_cmac_size0_mode() - Set CMAC_SIZE0 mode.
572 	pdesc->word[4] |= FIELD_PREP(WORD4_CMAC_SIZE0, 1);  in set_cmac_size0_mode()
576  * set_key_size() - Set key size descriptor field.
583 	pdesc->word[4] |= FIELD_PREP(WORD4_KEY_SIZE, size);  in set_key_size()
587  * set_key_size_aes() - Set AES key size.
594 	set_key_size(pdesc, ((size >> 3) - 2));  in set_key_size_aes()
598  * set_key_size_des() - Set DES key size.
605 	set_key_size(pdesc, ((size >> 3) - 1));  in set_key_size_des()
609  * set_setup_mode() - Set the descriptor setup mode
612  * @mode: Any one of the setup modes defined in [CC7x-DESC]
615 				  enum cc_setup_op mode)  in set_setup_mode()  argument
617 	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, mode);  in set_setup_mode()
621  * set_cipher_do() - Set the descriptor cipher DO
624  * @config: Any one of the cipher do defined in [CC7x-DESC]
629 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,  in set_cipher_do()