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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
3 
4 #ifndef __CC_HW_QUEUE_DEFS_H__
5 #define __CC_HW_QUEUE_DEFS_H__
6 
7 #include <linux/types.h>
8 
9 #include "cc_kernel_regs.h"
10 #include <linux/bitfield.h>
11 
12 /******************************************************************************
13  *				DEFINITIONS
14  ******************************************************************************/
15 
16 #define HW_DESC_SIZE_WORDS		6
17 /* Define max. available slots in HW queue */
18 #define HW_QUEUE_SLOTS_MAX              15
19 
20 #define CC_REG_LOW(word, name)  \
21 	(CC_DSCRPTR_QUEUE_WORD ## word ## _ ## name ## _BIT_SHIFT)
22 
23 #define CC_REG_HIGH(word, name) \
24 	(CC_REG_LOW(word, name) + \
25 	 CC_DSCRPTR_QUEUE_WORD ## word ## _ ## name ## _BIT_SIZE - 1)
26 
27 #define CC_GENMASK(word, name) \
28 	GENMASK(CC_REG_HIGH(word, name), CC_REG_LOW(word, name))
29 
30 #define WORD0_VALUE		CC_GENMASK(0, VALUE)
31 #define	WORD0_CPP_CIPHER_MODE	CC_GENMASK(0, CPP_CIPHER_MODE)
32 #define WORD1_DIN_CONST_VALUE	CC_GENMASK(1, DIN_CONST_VALUE)
33 #define WORD1_DIN_DMA_MODE	CC_GENMASK(1, DIN_DMA_MODE)
34 #define WORD1_DIN_SIZE		CC_GENMASK(1, DIN_SIZE)
35 #define WORD1_NOT_LAST		CC_GENMASK(1, NOT_LAST)
36 #define WORD1_NS_BIT		CC_GENMASK(1, NS_BIT)
37 #define WORD1_LOCK_QUEUE	CC_GENMASK(1, LOCK_QUEUE)
38 #define WORD2_VALUE		CC_GENMASK(2, VALUE)
39 #define WORD3_DOUT_DMA_MODE	CC_GENMASK(3, DOUT_DMA_MODE)
40 #define WORD3_DOUT_LAST_IND	CC_GENMASK(3, DOUT_LAST_IND)
41 #define WORD3_DOUT_SIZE		CC_GENMASK(3, DOUT_SIZE)
42 #define WORD3_HASH_XOR_BIT	CC_GENMASK(3, HASH_XOR_BIT)
43 #define WORD3_NS_BIT		CC_GENMASK(3, NS_BIT)
44 #define WORD3_QUEUE_LAST_IND	CC_GENMASK(3, QUEUE_LAST_IND)
45 #define WORD4_ACK_NEEDED	CC_GENMASK(4, ACK_NEEDED)
46 #define WORD4_AES_SEL_N_HASH	CC_GENMASK(4, AES_SEL_N_HASH)
47 #define WORD4_AES_XOR_CRYPTO_KEY CC_GENMASK(4, AES_XOR_CRYPTO_KEY)
48 #define WORD4_BYTES_SWAP	CC_GENMASK(4, BYTES_SWAP)
49 #define WORD4_CIPHER_CONF0	CC_GENMASK(4, CIPHER_CONF0)
50 #define WORD4_CIPHER_CONF1	CC_GENMASK(4, CIPHER_CONF1)
51 #define WORD4_CIPHER_CONF2	CC_GENMASK(4, CIPHER_CONF2)
52 #define WORD4_CIPHER_DO		CC_GENMASK(4, CIPHER_DO)
53 #define WORD4_CIPHER_MODE	CC_GENMASK(4, CIPHER_MODE)
54 #define WORD4_CMAC_SIZE0	CC_GENMASK(4, CMAC_SIZE0)
55 #define WORD4_DATA_FLOW_MODE	CC_GENMASK(4, DATA_FLOW_MODE)
56 #define WORD4_KEY_SIZE		CC_GENMASK(4, KEY_SIZE)
57 #define WORD4_SETUP_OPERATION	CC_GENMASK(4, SETUP_OPERATION)
58 #define WORD5_DIN_ADDR_HIGH	CC_GENMASK(5, DIN_ADDR_HIGH)
59 #define WORD5_DOUT_ADDR_HIGH	CC_GENMASK(5, DOUT_ADDR_HIGH)
60 
61 /******************************************************************************
62  *				TYPE DEFINITIONS
63  ******************************************************************************/
64 
65 struct cc_hw_desc {
66 	union {
67 		u32 word[HW_DESC_SIZE_WORDS];
68 		u16 hword[HW_DESC_SIZE_WORDS * 2];
69 	};
70 };
71 
72 enum cc_axi_sec {
73 	AXI_SECURE = 0,
74 	AXI_NOT_SECURE = 1
75 };
76 
77 enum cc_desc_direction {
78 	DESC_DIRECTION_ILLEGAL = -1,
79 	DESC_DIRECTION_ENCRYPT_ENCRYPT = 0,
80 	DESC_DIRECTION_DECRYPT_DECRYPT = 1,
81 	DESC_DIRECTION_DECRYPT_ENCRYPT = 3,
82 	DESC_DIRECTION_END = S32_MAX,
83 };
84 
85 enum cc_dma_mode {
86 	DMA_MODE_NULL		= -1,
87 	NO_DMA			= 0,
88 	DMA_SRAM		= 1,
89 	DMA_DLLI		= 2,
90 	DMA_MLLI		= 3,
91 	DMA_MODE_END		= S32_MAX,
92 };
93 
94 enum cc_flow_mode {
95 	FLOW_MODE_NULL		= -1,
96 	/* data flows */
97 	BYPASS			= 0,
98 	DIN_AES_DOUT		= 1,
99 	AES_to_HASH		= 2,
100 	AES_and_HASH		= 3,
101 	DIN_DES_DOUT		= 4,
102 	DES_to_HASH		= 5,
103 	DES_and_HASH		= 6,
104 	DIN_HASH		= 7,
105 	DIN_HASH_and_BYPASS	= 8,
106 	AESMAC_and_BYPASS	= 9,
107 	AES_to_HASH_and_DOUT	= 10,
108 	DIN_RC4_DOUT		= 11,
109 	DES_to_HASH_and_DOUT	= 12,
110 	AES_to_AES_to_HASH_and_DOUT	= 13,
111 	AES_to_AES_to_HASH	= 14,
112 	AES_to_HASH_and_AES	= 15,
113 	DIN_SM4_DOUT		= 16,
114 	DIN_AES_AESMAC		= 17,
115 	HASH_to_DOUT		= 18,
116 	/* setup flows */
117 	S_DIN_to_AES		= 32,
118 	S_DIN_to_AES2		= 33,
119 	S_DIN_to_DES		= 34,
120 	S_DIN_to_RC4		= 35,
121 	S_DIN_to_SM4		= 36,
122 	S_DIN_to_HASH		= 37,
123 	S_AES_to_DOUT		= 38,
124 	S_AES2_to_DOUT		= 39,
125 	S_SM4_to_DOUT		= 40,
126 	S_RC4_to_DOUT		= 41,
127 	S_DES_to_DOUT		= 42,
128 	S_HASH_to_DOUT		= 43,
129 	SET_FLOW_ID		= 44,
130 	FLOW_MODE_END = S32_MAX,
131 };
132 
133 enum cc_setup_op {
134 	SETUP_LOAD_NOP		= 0,
135 	SETUP_LOAD_STATE0	= 1,
136 	SETUP_LOAD_STATE1	= 2,
137 	SETUP_LOAD_STATE2	= 3,
138 	SETUP_LOAD_KEY0		= 4,
139 	SETUP_LOAD_XEX_KEY	= 5,
140 	SETUP_WRITE_STATE0	= 8,
141 	SETUP_WRITE_STATE1	= 9,
142 	SETUP_WRITE_STATE2	= 10,
143 	SETUP_WRITE_STATE3	= 11,
144 	SETUP_OP_END = S32_MAX,
145 };
146 
147 enum cc_hash_conf_pad {
148 	HASH_PADDING_DISABLED = 0,
149 	HASH_PADDING_ENABLED = 1,
150 	HASH_DIGEST_RESULT_LITTLE_ENDIAN = 2,
151 	HASH_CONFIG1_PADDING_RESERVE32 = S32_MAX,
152 };
153 
154 enum cc_aes_mac_selector {
155 	AES_SK = 1,
156 	AES_CMAC_INIT = 2,
157 	AES_CMAC_SIZE0 = 3,
158 	AES_MAC_END = S32_MAX,
159 };
160 
161 #define HW_KEY_MASK_CIPHER_DO	  0x3
162 #define HW_KEY_SHIFT_CIPHER_CFG2  2
163 
164 /* HwCryptoKey[1:0] is mapped to cipher_do[1:0] */
165 /* HwCryptoKey[2:3] is mapped to cipher_config2[1:0] */
166 enum cc_hw_crypto_key {
167 	USER_KEY = 0,			/* 0x0000 */
168 	ROOT_KEY = 1,			/* 0x0001 */
169 	PROVISIONING_KEY = 2,		/* 0x0010 */ /* ==KCP */
170 	SESSION_KEY = 3,		/* 0x0011 */
171 	RESERVED_KEY = 4,		/* NA */
172 	PLATFORM_KEY = 5,		/* 0x0101 */
173 	CUSTOMER_KEY = 6,		/* 0x0110 */
174 	KFDE0_KEY = 7,			/* 0x0111 */
175 	KFDE1_KEY = 9,			/* 0x1001 */
176 	KFDE2_KEY = 10,			/* 0x1010 */
177 	KFDE3_KEY = 11,			/* 0x1011 */
178 	END_OF_KEYS = S32_MAX,
179 };
180 
181 #define CC_NUM_HW_KEY_SLOTS	4
182 #define CC_FIRST_HW_KEY_SLOT	0
183 #define CC_LAST_HW_KEY_SLOT	(CC_FIRST_HW_KEY_SLOT + CC_NUM_HW_KEY_SLOTS - 1)
184 
185 #define CC_NUM_CPP_KEY_SLOTS	8
186 #define CC_FIRST_CPP_KEY_SLOT	16
187 #define CC_LAST_CPP_KEY_SLOT	(CC_FIRST_CPP_KEY_SLOT + \
188 					CC_NUM_CPP_KEY_SLOTS - 1)
189 
190 enum cc_hw_aes_key_size {
191 	AES_128_KEY = 0,
192 	AES_192_KEY = 1,
193 	AES_256_KEY = 2,
194 	END_OF_AES_KEYS = S32_MAX,
195 };
196 
197 enum cc_hash_cipher_pad {
198 	DO_NOT_PAD = 0,
199 	DO_PAD = 1,
200 	HASH_CIPHER_DO_PADDING_RESERVE32 = S32_MAX,
201 };
202 
203 #define CC_CPP_DIN_ADDR	0xFF00FF00UL
204 #define CC_CPP_DIN_SIZE 0xFF00FFUL
205 
206 /*****************************/
207 /* Descriptor packing macros */
208 /*****************************/
209 
210 /*
211  * Init a HW descriptor struct
212  * @pdesc: pointer HW descriptor struct
213  */
hw_desc_init(struct cc_hw_desc * pdesc)214 static inline void hw_desc_init(struct cc_hw_desc *pdesc)
215 {
216 	memset(pdesc, 0, sizeof(struct cc_hw_desc));
217 }
218 
219 /*
220  * Indicates the end of current HW descriptors flow and release the HW engines.
221  *
222  * @pdesc: pointer HW descriptor struct
223  */
set_queue_last_ind_bit(struct cc_hw_desc * pdesc)224 static inline void set_queue_last_ind_bit(struct cc_hw_desc *pdesc)
225 {
226 	pdesc->word[3] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1);
227 }
228 
229 /*
230  * Set the DIN field of a HW descriptors
231  *
232  * @pdesc: pointer HW descriptor struct
233  * @dma_mode: dmaMode The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
234  * @addr: dinAdr DIN address
235  * @size: Data size in bytes
236  * @axi_sec: AXI secure bit
237  */
set_din_type(struct cc_hw_desc * pdesc,enum cc_dma_mode dma_mode,dma_addr_t addr,u32 size,enum cc_axi_sec axi_sec)238 static inline void set_din_type(struct cc_hw_desc *pdesc,
239 				enum cc_dma_mode dma_mode, dma_addr_t addr,
240 				u32 size, enum cc_axi_sec axi_sec)
241 {
242 	pdesc->word[0] = (u32)addr;
243 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
244 	pdesc->word[5] |= FIELD_PREP(WORD5_DIN_ADDR_HIGH, ((u16)(addr >> 32)));
245 #endif
246 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_DMA_MODE, dma_mode) |
247 				FIELD_PREP(WORD1_DIN_SIZE, size) |
248 				FIELD_PREP(WORD1_NS_BIT, axi_sec);
249 }
250 
251 /*
252  * Set the DIN field of a HW descriptors to NO DMA mode.
253  * Used for NOP descriptor, register patches and other special modes.
254  *
255  * @pdesc: pointer HW descriptor struct
256  * @addr: DIN address
257  * @size: Data size in bytes
258  */
set_din_no_dma(struct cc_hw_desc * pdesc,u32 addr,u32 size)259 static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size)
260 {
261 	pdesc->word[0] = addr;
262 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size);
263 }
264 
265 /*
266  * Setup the special CPP descriptor
267  *
268  * @pdesc: pointer HW descriptor struct
269  * @alg: cipher used (AES / SM4)
270  * @mode: mode used (CTR or CBC)
271  * @slot: slot number
272  * @ksize: key size
273  */
set_cpp_crypto_key(struct cc_hw_desc * pdesc,u8 slot)274 static inline void set_cpp_crypto_key(struct cc_hw_desc *pdesc, u8 slot)
275 {
276 	pdesc->word[0] |= CC_CPP_DIN_ADDR;
277 
278 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, CC_CPP_DIN_SIZE);
279 	pdesc->word[1] |= FIELD_PREP(WORD1_LOCK_QUEUE, 1);
280 
281 	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, slot);
282 }
283 
284 /*
285  * Set the DIN field of a HW descriptors to SRAM mode.
286  * Note: No need to check SRAM alignment since host requests do not use SRAM and
287  * adaptor will enforce alignment check.
288  *
289  * @pdesc: pointer HW descriptor struct
290  * @addr: DIN address
291  * @size Data size in bytes
292  */
set_din_sram(struct cc_hw_desc * pdesc,dma_addr_t addr,u32 size)293 static inline void set_din_sram(struct cc_hw_desc *pdesc, dma_addr_t addr,
294 				u32 size)
295 {
296 	pdesc->word[0] = (u32)addr;
297 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size) |
298 				FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM);
299 }
300 
301 /*
302  * Set the DIN field of a HW descriptors to CONST mode
303  *
304  * @pdesc: pointer HW descriptor struct
305  * @val: DIN const value
306  * @size: Data size in bytes
307  */
set_din_const(struct cc_hw_desc * pdesc,u32 val,u32 size)308 static inline void set_din_const(struct cc_hw_desc *pdesc, u32 val, u32 size)
309 {
310 	pdesc->word[0] = val;
311 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_CONST_VALUE, 1) |
312 			FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM) |
313 			FIELD_PREP(WORD1_DIN_SIZE, size);
314 }
315 
316 /*
317  * Set the DIN not last input data indicator
318  *
319  * @pdesc: pointer HW descriptor struct
320  */
set_din_not_last_indication(struct cc_hw_desc * pdesc)321 static inline void set_din_not_last_indication(struct cc_hw_desc *pdesc)
322 {
323 	pdesc->word[1] |= FIELD_PREP(WORD1_NOT_LAST, 1);
324 }
325 
326 /*
327  * Set the DOUT field of a HW descriptors
328  *
329  * @pdesc: pointer HW descriptor struct
330  * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
331  * @addr: DOUT address
332  * @size: Data size in bytes
333  * @axi_sec: AXI secure bit
334  */
set_dout_type(struct cc_hw_desc * pdesc,enum cc_dma_mode dma_mode,dma_addr_t addr,u32 size,enum cc_axi_sec axi_sec)335 static inline void set_dout_type(struct cc_hw_desc *pdesc,
336 				 enum cc_dma_mode dma_mode, dma_addr_t addr,
337 				 u32 size, enum cc_axi_sec axi_sec)
338 {
339 	pdesc->word[2] = (u32)addr;
340 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
341 	pdesc->word[5] |= FIELD_PREP(WORD5_DOUT_ADDR_HIGH, ((u16)(addr >> 32)));
342 #endif
343 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, dma_mode) |
344 				FIELD_PREP(WORD3_DOUT_SIZE, size) |
345 				FIELD_PREP(WORD3_NS_BIT, axi_sec);
346 }
347 
348 /*
349  * Set the DOUT field of a HW descriptors to DLLI type
350  * The LAST INDICATION is provided by the user
351  *
352  * @pdesc pointer HW descriptor struct
353  * @addr: DOUT address
354  * @size: Data size in bytes
355  * @last_ind: The last indication bit
356  * @axi_sec: AXI secure bit
357  */
set_dout_dlli(struct cc_hw_desc * pdesc,dma_addr_t addr,u32 size,enum cc_axi_sec axi_sec,u32 last_ind)358 static inline void set_dout_dlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
359 				 u32 size, enum cc_axi_sec axi_sec,
360 				 u32 last_ind)
361 {
362 	set_dout_type(pdesc, DMA_DLLI, addr, size, axi_sec);
363 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
364 }
365 
366 /*
367  * Set the DOUT field of a HW descriptors to DLLI type
368  * The LAST INDICATION is provided by the user
369  *
370  * @pdesc: pointer HW descriptor struct
371  * @addr: DOUT address
372  * @size: Data size in bytes
373  * @last_ind: The last indication bit
374  * @axi_sec: AXI secure bit
375  */
set_dout_mlli(struct cc_hw_desc * pdesc,dma_addr_t addr,u32 size,enum cc_axi_sec axi_sec,bool last_ind)376 static inline void set_dout_mlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
377 				 u32 size, enum cc_axi_sec axi_sec,
378 				 bool last_ind)
379 {
380 	set_dout_type(pdesc, DMA_MLLI, addr, size, axi_sec);
381 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
382 }
383 
384 /*
385  * Set the DOUT field of a HW descriptors to NO DMA mode.
386  * Used for NOP descriptor, register patches and other special modes.
387  *
388  * @pdesc: pointer HW descriptor struct
389  * @addr: DOUT address
390  * @size: Data size in bytes
391  * @write_enable: Enables a write operation to a register
392  */
set_dout_no_dma(struct cc_hw_desc * pdesc,u32 addr,u32 size,bool write_enable)393 static inline void set_dout_no_dma(struct cc_hw_desc *pdesc, u32 addr,
394 				   u32 size, bool write_enable)
395 {
396 	pdesc->word[2] = addr;
397 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_SIZE, size) |
398 			FIELD_PREP(WORD3_DOUT_LAST_IND, write_enable);
399 }
400 
401 /*
402  * Set the word for the XOR operation.
403  *
404  * @pdesc: pointer HW descriptor struct
405  * @val: xor data value
406  */
set_xor_val(struct cc_hw_desc * pdesc,u32 val)407 static inline void set_xor_val(struct cc_hw_desc *pdesc, u32 val)
408 {
409 	pdesc->word[2] = val;
410 }
411 
412 /*
413  * Sets the XOR indicator bit in the descriptor
414  *
415  * @pdesc: pointer HW descriptor struct
416  */
set_xor_active(struct cc_hw_desc * pdesc)417 static inline void set_xor_active(struct cc_hw_desc *pdesc)
418 {
419 	pdesc->word[3] |= FIELD_PREP(WORD3_HASH_XOR_BIT, 1);
420 }
421 
422 /*
423  * Select the AES engine instead of HASH engine when setting up combined mode
424  * with AES XCBC MAC
425  *
426  * @pdesc: pointer HW descriptor struct
427  */
set_aes_not_hash_mode(struct cc_hw_desc * pdesc)428 static inline void set_aes_not_hash_mode(struct cc_hw_desc *pdesc)
429 {
430 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_SEL_N_HASH, 1);
431 }
432 
433 /*
434  * Set aes xor crypto key, this in some secenrios select SM3 engine
435  *
436  * @pdesc: pointer HW descriptor struct
437  */
set_aes_xor_crypto_key(struct cc_hw_desc * pdesc)438 static inline void set_aes_xor_crypto_key(struct cc_hw_desc *pdesc)
439 {
440 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1);
441 }
442 
443 /*
444  * Set the DOUT field of a HW descriptors to SRAM mode
445  * Note: No need to check SRAM alignment since host requests do not use SRAM and
446  * adaptor will enforce alignment check.
447  *
448  * @pdesc: pointer HW descriptor struct
449  * @addr: DOUT address
450  * @size: Data size in bytes
451  */
set_dout_sram(struct cc_hw_desc * pdesc,u32 addr,u32 size)452 static inline void set_dout_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
453 {
454 	pdesc->word[2] = addr;
455 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, DMA_SRAM) |
456 			FIELD_PREP(WORD3_DOUT_SIZE, size);
457 }
458 
459 /*
460  * Sets the data unit size for XEX mode in data_out_addr[15:0]
461  *
462  * @pdesc: pDesc pointer HW descriptor struct
463  * @size: data unit size for XEX mode
464  */
set_xex_data_unit_size(struct cc_hw_desc * pdesc,u32 size)465 static inline void set_xex_data_unit_size(struct cc_hw_desc *pdesc, u32 size)
466 {
467 	pdesc->word[2] = size;
468 }
469 
470 /*
471  * Set the number of rounds for Multi2 in data_out_addr[15:0]
472  *
473  * @pdesc: pointer HW descriptor struct
474  * @num: number of rounds for Multi2
475  */
set_multi2_num_rounds(struct cc_hw_desc * pdesc,u32 num)476 static inline void set_multi2_num_rounds(struct cc_hw_desc *pdesc, u32 num)
477 {
478 	pdesc->word[2] = num;
479 }
480 
481 /*
482  * Set the flow mode.
483  *
484  * @pdesc: pointer HW descriptor struct
485  * @mode: Any one of the modes defined in [CC7x-DESC]
486  */
set_flow_mode(struct cc_hw_desc * pdesc,enum cc_flow_mode mode)487 static inline void set_flow_mode(struct cc_hw_desc *pdesc,
488 				 enum cc_flow_mode mode)
489 {
490 	pdesc->word[4] |= FIELD_PREP(WORD4_DATA_FLOW_MODE, mode);
491 }
492 
493 /*
494  * Set the cipher mode.
495  *
496  * @pdesc: pointer HW descriptor struct
497  * @mode:  Any one of the modes defined in [CC7x-DESC]
498  */
set_cipher_mode(struct cc_hw_desc * pdesc,int mode)499 static inline void set_cipher_mode(struct cc_hw_desc *pdesc, int mode)
500 {
501 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_MODE, mode);
502 }
503 
504 /*
505  * Set the cipher mode for hash algorithms.
506  *
507  * @pdesc: pointer HW descriptor struct
508  * @cipher_mode:  Any one of the modes defined in [CC7x-DESC]
509  * @hash_mode: specifies which hash is being handled
510  */
set_hash_cipher_mode(struct cc_hw_desc * pdesc,enum drv_cipher_mode cipher_mode,enum drv_hash_mode hash_mode)511 static inline void set_hash_cipher_mode(struct cc_hw_desc *pdesc,
512 					enum drv_cipher_mode cipher_mode,
513 					enum drv_hash_mode hash_mode)
514 {
515 	set_cipher_mode(pdesc, cipher_mode);
516 	if (hash_mode == DRV_HASH_SM3)
517 		set_aes_xor_crypto_key(pdesc);
518 }
519 
520 /*
521  * Set the cipher configuration fields.
522  *
523  * @pdesc: pointer HW descriptor struct
524  * @mode: Any one of the modes defined in [CC7x-DESC]
525  */
set_cipher_config0(struct cc_hw_desc * pdesc,int mode)526 static inline void set_cipher_config0(struct cc_hw_desc *pdesc, int mode)
527 {
528 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF0, mode);
529 }
530 
531 /*
532  * Set the cipher configuration fields.
533  *
534  * @pdesc: pointer HW descriptor struct
535  * @config: Any one of the modes defined in [CC7x-DESC]
536  */
set_cipher_config1(struct cc_hw_desc * pdesc,enum cc_hash_conf_pad config)537 static inline void set_cipher_config1(struct cc_hw_desc *pdesc,
538 				      enum cc_hash_conf_pad config)
539 {
540 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF1, config);
541 }
542 
543 /*
544  * Set HW key configuration fields.
545  *
546  * @pdesc: pointer HW descriptor struct
547  * @hw_key: The HW key slot asdefined in enum cc_hw_crypto_key
548  */
set_hw_crypto_key(struct cc_hw_desc * pdesc,enum cc_hw_crypto_key hw_key)549 static inline void set_hw_crypto_key(struct cc_hw_desc *pdesc,
550 				     enum cc_hw_crypto_key hw_key)
551 {
552 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
553 				     (hw_key & HW_KEY_MASK_CIPHER_DO)) |
554 			FIELD_PREP(WORD4_CIPHER_CONF2,
555 				   (hw_key >> HW_KEY_SHIFT_CIPHER_CFG2));
556 }
557 
558 /*
559  * Set byte order of all setup-finalize descriptors.
560  *
561  * @pdesc: pointer HW descriptor struct
562  * @config: Any one of the modes defined in [CC7x-DESC]
563  */
set_bytes_swap(struct cc_hw_desc * pdesc,bool config)564 static inline void set_bytes_swap(struct cc_hw_desc *pdesc, bool config)
565 {
566 	pdesc->word[4] |= FIELD_PREP(WORD4_BYTES_SWAP, config);
567 }
568 
569 /*
570  * Set CMAC_SIZE0 mode.
571  *
572  * @pdesc: pointer HW descriptor struct
573  */
set_cmac_size0_mode(struct cc_hw_desc * pdesc)574 static inline void set_cmac_size0_mode(struct cc_hw_desc *pdesc)
575 {
576 	pdesc->word[4] |= FIELD_PREP(WORD4_CMAC_SIZE0, 1);
577 }
578 
579 /*
580  * Set key size descriptor field.
581  *
582  * @pdesc: pointer HW descriptor struct
583  * @size: key size in bytes (NOT size code)
584  */
set_key_size(struct cc_hw_desc * pdesc,u32 size)585 static inline void set_key_size(struct cc_hw_desc *pdesc, u32 size)
586 {
587 	pdesc->word[4] |= FIELD_PREP(WORD4_KEY_SIZE, size);
588 }
589 
590 /*
591  * Set AES key size.
592  *
593  * @pdesc: pointer HW descriptor struct
594  * @size: key size in bytes (NOT size code)
595  */
set_key_size_aes(struct cc_hw_desc * pdesc,u32 size)596 static inline void set_key_size_aes(struct cc_hw_desc *pdesc, u32 size)
597 {
598 	set_key_size(pdesc, ((size >> 3) - 2));
599 }
600 
601 /*
602  * Set DES key size.
603  *
604  * @pdesc: pointer HW descriptor struct
605  * @size: key size in bytes (NOT size code)
606  */
set_key_size_des(struct cc_hw_desc * pdesc,u32 size)607 static inline void set_key_size_des(struct cc_hw_desc *pdesc, u32 size)
608 {
609 	set_key_size(pdesc, ((size >> 3) - 1));
610 }
611 
612 /*
613  * Set the descriptor setup mode
614  *
615  * @pdesc: pointer HW descriptor struct
616  * @mode: Any one of the setup modes defined in [CC7x-DESC]
617  */
set_setup_mode(struct cc_hw_desc * pdesc,enum cc_setup_op mode)618 static inline void set_setup_mode(struct cc_hw_desc *pdesc,
619 				  enum cc_setup_op mode)
620 {
621 	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, mode);
622 }
623 
624 /*
625  * Set the descriptor cipher DO
626  *
627  * @pdesc: pointer HW descriptor struct
628  * @config: Any one of the cipher do defined in [CC7x-DESC]
629  */
set_cipher_do(struct cc_hw_desc * pdesc,enum cc_hash_cipher_pad config)630 static inline void set_cipher_do(struct cc_hw_desc *pdesc,
631 				 enum cc_hash_cipher_pad config)
632 {
633 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
634 				(config & HW_KEY_MASK_CIPHER_DO));
635 }
636 
637 #endif /*__CC_HW_QUEUE_DEFS_H__*/
638