1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2012-2018 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 WORD1_DIN_CONST_VALUE	CC_GENMASK(1, DIN_CONST_VALUE)
32 #define WORD1_DIN_DMA_MODE	CC_GENMASK(1, DIN_DMA_MODE)
33 #define WORD1_DIN_SIZE		CC_GENMASK(1, DIN_SIZE)
34 #define WORD1_NOT_LAST		CC_GENMASK(1, NOT_LAST)
35 #define WORD1_NS_BIT		CC_GENMASK(1, NS_BIT)
36 #define WORD2_VALUE		CC_GENMASK(2, VALUE)
37 #define WORD3_DOUT_DMA_MODE	CC_GENMASK(3, DOUT_DMA_MODE)
38 #define WORD3_DOUT_LAST_IND	CC_GENMASK(3, DOUT_LAST_IND)
39 #define WORD3_DOUT_SIZE		CC_GENMASK(3, DOUT_SIZE)
40 #define WORD3_HASH_XOR_BIT	CC_GENMASK(3, HASH_XOR_BIT)
41 #define WORD3_NS_BIT		CC_GENMASK(3, NS_BIT)
42 #define WORD3_QUEUE_LAST_IND	CC_GENMASK(3, QUEUE_LAST_IND)
43 #define WORD4_ACK_NEEDED	CC_GENMASK(4, ACK_NEEDED)
44 #define WORD4_AES_SEL_N_HASH	CC_GENMASK(4, AES_SEL_N_HASH)
45 #define WORD4_AES_XOR_CRYPTO_KEY CC_GENMASK(4, AES_XOR_CRYPTO_KEY)
46 #define WORD4_BYTES_SWAP	CC_GENMASK(4, BYTES_SWAP)
47 #define WORD4_CIPHER_CONF0	CC_GENMASK(4, CIPHER_CONF0)
48 #define WORD4_CIPHER_CONF1	CC_GENMASK(4, CIPHER_CONF1)
49 #define WORD4_CIPHER_CONF2	CC_GENMASK(4, CIPHER_CONF2)
50 #define WORD4_CIPHER_DO		CC_GENMASK(4, CIPHER_DO)
51 #define WORD4_CIPHER_MODE	CC_GENMASK(4, CIPHER_MODE)
52 #define WORD4_CMAC_SIZE0	CC_GENMASK(4, CMAC_SIZE0)
53 #define WORD4_DATA_FLOW_MODE	CC_GENMASK(4, DATA_FLOW_MODE)
54 #define WORD4_KEY_SIZE		CC_GENMASK(4, KEY_SIZE)
55 #define WORD4_SETUP_OPERATION	CC_GENMASK(4, SETUP_OPERATION)
56 #define WORD5_DIN_ADDR_HIGH	CC_GENMASK(5, DIN_ADDR_HIGH)
57 #define WORD5_DOUT_ADDR_HIGH	CC_GENMASK(5, DOUT_ADDR_HIGH)
58 
59 /******************************************************************************
60  *				TYPE DEFINITIONS
61  ******************************************************************************/
62 
63 struct cc_hw_desc {
64 	union {
65 		u32 word[HW_DESC_SIZE_WORDS];
66 		u16 hword[HW_DESC_SIZE_WORDS * 2];
67 	};
68 };
69 
70 enum cc_axi_sec {
71 	AXI_SECURE = 0,
72 	AXI_NOT_SECURE = 1
73 };
74 
75 enum cc_desc_direction {
76 	DESC_DIRECTION_ILLEGAL = -1,
77 	DESC_DIRECTION_ENCRYPT_ENCRYPT = 0,
78 	DESC_DIRECTION_DECRYPT_DECRYPT = 1,
79 	DESC_DIRECTION_DECRYPT_ENCRYPT = 3,
80 	DESC_DIRECTION_END = S32_MAX,
81 };
82 
83 enum cc_dma_mode {
84 	DMA_MODE_NULL		= -1,
85 	NO_DMA			= 0,
86 	DMA_SRAM		= 1,
87 	DMA_DLLI		= 2,
88 	DMA_MLLI		= 3,
89 	DMA_MODE_END		= S32_MAX,
90 };
91 
92 enum cc_flow_mode {
93 	FLOW_MODE_NULL		= -1,
94 	/* data flows */
95 	BYPASS			= 0,
96 	DIN_AES_DOUT		= 1,
97 	AES_to_HASH		= 2,
98 	AES_and_HASH		= 3,
99 	DIN_DES_DOUT		= 4,
100 	DES_to_HASH		= 5,
101 	DES_and_HASH		= 6,
102 	DIN_HASH		= 7,
103 	DIN_HASH_and_BYPASS	= 8,
104 	AESMAC_and_BYPASS	= 9,
105 	AES_to_HASH_and_DOUT	= 10,
106 	DIN_RC4_DOUT		= 11,
107 	DES_to_HASH_and_DOUT	= 12,
108 	AES_to_AES_to_HASH_and_DOUT	= 13,
109 	AES_to_AES_to_HASH	= 14,
110 	AES_to_HASH_and_AES	= 15,
111 	DIN_SM4_DOUT		= 16,
112 	DIN_AES_AESMAC		= 17,
113 	HASH_to_DOUT		= 18,
114 	/* setup flows */
115 	S_DIN_to_AES		= 32,
116 	S_DIN_to_AES2		= 33,
117 	S_DIN_to_DES		= 34,
118 	S_DIN_to_RC4		= 35,
119 	S_DIN_to_SM4		= 36,
120 	S_DIN_to_HASH		= 37,
121 	S_AES_to_DOUT		= 38,
122 	S_AES2_to_DOUT		= 39,
123 	S_SM4_to_DOUT		= 40,
124 	S_RC4_to_DOUT		= 41,
125 	S_DES_to_DOUT		= 42,
126 	S_HASH_to_DOUT		= 43,
127 	SET_FLOW_ID		= 44,
128 	FLOW_MODE_END = S32_MAX,
129 };
130 
131 enum cc_setup_op {
132 	SETUP_LOAD_NOP		= 0,
133 	SETUP_LOAD_STATE0	= 1,
134 	SETUP_LOAD_STATE1	= 2,
135 	SETUP_LOAD_STATE2	= 3,
136 	SETUP_LOAD_KEY0		= 4,
137 	SETUP_LOAD_XEX_KEY	= 5,
138 	SETUP_WRITE_STATE0	= 8,
139 	SETUP_WRITE_STATE1	= 9,
140 	SETUP_WRITE_STATE2	= 10,
141 	SETUP_WRITE_STATE3	= 11,
142 	SETUP_OP_END = S32_MAX,
143 };
144 
145 enum cc_hash_conf_pad {
146 	HASH_PADDING_DISABLED = 0,
147 	HASH_PADDING_ENABLED = 1,
148 	HASH_DIGEST_RESULT_LITTLE_ENDIAN = 2,
149 	HASH_CONFIG1_PADDING_RESERVE32 = S32_MAX,
150 };
151 
152 enum cc_aes_mac_selector {
153 	AES_SK = 1,
154 	AES_CMAC_INIT = 2,
155 	AES_CMAC_SIZE0 = 3,
156 	AES_MAC_END = S32_MAX,
157 };
158 
159 #define HW_KEY_MASK_CIPHER_DO	  0x3
160 #define HW_KEY_SHIFT_CIPHER_CFG2  2
161 
162 /* HwCryptoKey[1:0] is mapped to cipher_do[1:0] */
163 /* HwCryptoKey[2:3] is mapped to cipher_config2[1:0] */
164 enum cc_hw_crypto_key {
165 	USER_KEY = 0,			/* 0x0000 */
166 	ROOT_KEY = 1,			/* 0x0001 */
167 	PROVISIONING_KEY = 2,		/* 0x0010 */ /* ==KCP */
168 	SESSION_KEY = 3,		/* 0x0011 */
169 	RESERVED_KEY = 4,		/* NA */
170 	PLATFORM_KEY = 5,		/* 0x0101 */
171 	CUSTOMER_KEY = 6,		/* 0x0110 */
172 	KFDE0_KEY = 7,			/* 0x0111 */
173 	KFDE1_KEY = 9,			/* 0x1001 */
174 	KFDE2_KEY = 10,			/* 0x1010 */
175 	KFDE3_KEY = 11,			/* 0x1011 */
176 	END_OF_KEYS = S32_MAX,
177 };
178 
179 enum cc_hw_aes_key_size {
180 	AES_128_KEY = 0,
181 	AES_192_KEY = 1,
182 	AES_256_KEY = 2,
183 	END_OF_AES_KEYS = S32_MAX,
184 };
185 
186 enum cc_hash_cipher_pad {
187 	DO_NOT_PAD = 0,
188 	DO_PAD = 1,
189 	HASH_CIPHER_DO_PADDING_RESERVE32 = S32_MAX,
190 };
191 
192 /*****************************/
193 /* Descriptor packing macros */
194 /*****************************/
195 
196 /*
197  * Init a HW descriptor struct
198  * @pdesc: pointer HW descriptor struct
199  */
200 static inline void hw_desc_init(struct cc_hw_desc *pdesc)
201 {
202 	memset(pdesc, 0, sizeof(struct cc_hw_desc));
203 }
204 
205 /*
206  * Indicates the end of current HW descriptors flow and release the HW engines.
207  *
208  * @pdesc: pointer HW descriptor struct
209  */
210 static inline void set_queue_last_ind_bit(struct cc_hw_desc *pdesc)
211 {
212 	pdesc->word[3] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1);
213 }
214 
215 /*
216  * Set the DIN field of a HW descriptors
217  *
218  * @pdesc: pointer HW descriptor struct
219  * @dma_mode: dmaMode The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
220  * @addr: dinAdr DIN address
221  * @size: Data size in bytes
222  * @axi_sec: AXI secure bit
223  */
224 static inline void set_din_type(struct cc_hw_desc *pdesc,
225 				enum cc_dma_mode dma_mode, dma_addr_t addr,
226 				u32 size, enum cc_axi_sec axi_sec)
227 {
228 	pdesc->word[0] = (u32)addr;
229 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
230 	pdesc->word[5] |= FIELD_PREP(WORD5_DIN_ADDR_HIGH, ((u16)(addr >> 32)));
231 #endif
232 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_DMA_MODE, dma_mode) |
233 				FIELD_PREP(WORD1_DIN_SIZE, size) |
234 				FIELD_PREP(WORD1_NS_BIT, axi_sec);
235 }
236 
237 /*
238  * Set the DIN field of a HW descriptors to NO DMA mode.
239  * Used for NOP descriptor, register patches and other special modes.
240  *
241  * @pdesc: pointer HW descriptor struct
242  * @addr: DIN address
243  * @size: Data size in bytes
244  */
245 static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size)
246 {
247 	pdesc->word[0] = addr;
248 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size);
249 }
250 
251 /*
252  * Set the DIN field of a HW descriptors to SRAM mode.
253  * Note: No need to check SRAM alignment since host requests do not use SRAM and
254  * adaptor will enforce alignment check.
255  *
256  * @pdesc: pointer HW descriptor struct
257  * @addr: DIN address
258  * @size Data size in bytes
259  */
260 static inline void set_din_sram(struct cc_hw_desc *pdesc, dma_addr_t addr,
261 				u32 size)
262 {
263 	pdesc->word[0] = (u32)addr;
264 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size) |
265 				FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM);
266 }
267 
268 /*
269  * Set the DIN field of a HW descriptors to CONST mode
270  *
271  * @pdesc: pointer HW descriptor struct
272  * @val: DIN const value
273  * @size: Data size in bytes
274  */
275 static inline void set_din_const(struct cc_hw_desc *pdesc, u32 val, u32 size)
276 {
277 	pdesc->word[0] = val;
278 	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_CONST_VALUE, 1) |
279 			FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM) |
280 			FIELD_PREP(WORD1_DIN_SIZE, size);
281 }
282 
283 /*
284  * Set the DIN not last input data indicator
285  *
286  * @pdesc: pointer HW descriptor struct
287  */
288 static inline void set_din_not_last_indication(struct cc_hw_desc *pdesc)
289 {
290 	pdesc->word[1] |= FIELD_PREP(WORD1_NOT_LAST, 1);
291 }
292 
293 /*
294  * Set the DOUT field of a HW descriptors
295  *
296  * @pdesc: pointer HW descriptor struct
297  * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
298  * @addr: DOUT address
299  * @size: Data size in bytes
300  * @axi_sec: AXI secure bit
301  */
302 static inline void set_dout_type(struct cc_hw_desc *pdesc,
303 				 enum cc_dma_mode dma_mode, dma_addr_t addr,
304 				 u32 size, enum cc_axi_sec axi_sec)
305 {
306 	pdesc->word[2] = (u32)addr;
307 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
308 	pdesc->word[5] |= FIELD_PREP(WORD5_DOUT_ADDR_HIGH, ((u16)(addr >> 32)));
309 #endif
310 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, dma_mode) |
311 				FIELD_PREP(WORD3_DOUT_SIZE, size) |
312 				FIELD_PREP(WORD3_NS_BIT, axi_sec);
313 }
314 
315 /*
316  * Set the DOUT field of a HW descriptors to DLLI type
317  * The LAST INDICATION is provided by the user
318  *
319  * @pdesc pointer HW descriptor struct
320  * @addr: DOUT address
321  * @size: Data size in bytes
322  * @last_ind: The last indication bit
323  * @axi_sec: AXI secure bit
324  */
325 static inline void set_dout_dlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
326 				 u32 size, enum cc_axi_sec axi_sec,
327 				 u32 last_ind)
328 {
329 	set_dout_type(pdesc, DMA_DLLI, addr, size, axi_sec);
330 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
331 }
332 
333 /*
334  * Set the DOUT field of a HW descriptors to DLLI type
335  * The LAST INDICATION is provided by the user
336  *
337  * @pdesc: pointer HW descriptor struct
338  * @addr: DOUT address
339  * @size: Data size in bytes
340  * @last_ind: The last indication bit
341  * @axi_sec: AXI secure bit
342  */
343 static inline void set_dout_mlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
344 				 u32 size, enum cc_axi_sec axi_sec,
345 				 bool last_ind)
346 {
347 	set_dout_type(pdesc, DMA_MLLI, addr, size, axi_sec);
348 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
349 }
350 
351 /*
352  * Set the DOUT field of a HW descriptors to NO DMA mode.
353  * Used for NOP descriptor, register patches and other special modes.
354  *
355  * @pdesc: pointer HW descriptor struct
356  * @addr: DOUT address
357  * @size: Data size in bytes
358  * @write_enable: Enables a write operation to a register
359  */
360 static inline void set_dout_no_dma(struct cc_hw_desc *pdesc, u32 addr,
361 				   u32 size, bool write_enable)
362 {
363 	pdesc->word[2] = addr;
364 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_SIZE, size) |
365 			FIELD_PREP(WORD3_DOUT_LAST_IND, write_enable);
366 }
367 
368 /*
369  * Set the word for the XOR operation.
370  *
371  * @pdesc: pointer HW descriptor struct
372  * @val: xor data value
373  */
374 static inline void set_xor_val(struct cc_hw_desc *pdesc, u32 val)
375 {
376 	pdesc->word[2] = val;
377 }
378 
379 /*
380  * Sets the XOR indicator bit in the descriptor
381  *
382  * @pdesc: pointer HW descriptor struct
383  */
384 static inline void set_xor_active(struct cc_hw_desc *pdesc)
385 {
386 	pdesc->word[3] |= FIELD_PREP(WORD3_HASH_XOR_BIT, 1);
387 }
388 
389 /*
390  * Select the AES engine instead of HASH engine when setting up combined mode
391  * with AES XCBC MAC
392  *
393  * @pdesc: pointer HW descriptor struct
394  */
395 static inline void set_aes_not_hash_mode(struct cc_hw_desc *pdesc)
396 {
397 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_SEL_N_HASH, 1);
398 }
399 
400 /*
401  * Set aes xor crypto key, this in some secenrios select SM3 engine
402  *
403  * @pdesc: pointer HW descriptor struct
404  */
405 static inline void set_aes_xor_crypto_key(struct cc_hw_desc *pdesc)
406 {
407 	pdesc->word[4] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1);
408 }
409 
410 /*
411  * Set the DOUT field of a HW descriptors to SRAM mode
412  * Note: No need to check SRAM alignment since host requests do not use SRAM and
413  * adaptor will enforce alignment check.
414  *
415  * @pdesc: pointer HW descriptor struct
416  * @addr: DOUT address
417  * @size: Data size in bytes
418  */
419 static inline void set_dout_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
420 {
421 	pdesc->word[2] = addr;
422 	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, DMA_SRAM) |
423 			FIELD_PREP(WORD3_DOUT_SIZE, size);
424 }
425 
426 /*
427  * Sets the data unit size for XEX mode in data_out_addr[15:0]
428  *
429  * @pdesc: pDesc pointer HW descriptor struct
430  * @size: data unit size for XEX mode
431  */
432 static inline void set_xex_data_unit_size(struct cc_hw_desc *pdesc, u32 size)
433 {
434 	pdesc->word[2] = size;
435 }
436 
437 /*
438  * Set the number of rounds for Multi2 in data_out_addr[15:0]
439  *
440  * @pdesc: pointer HW descriptor struct
441  * @num: number of rounds for Multi2
442  */
443 static inline void set_multi2_num_rounds(struct cc_hw_desc *pdesc, u32 num)
444 {
445 	pdesc->word[2] = num;
446 }
447 
448 /*
449  * Set the flow mode.
450  *
451  * @pdesc: pointer HW descriptor struct
452  * @mode: Any one of the modes defined in [CC7x-DESC]
453  */
454 static inline void set_flow_mode(struct cc_hw_desc *pdesc,
455 				 enum cc_flow_mode mode)
456 {
457 	pdesc->word[4] |= FIELD_PREP(WORD4_DATA_FLOW_MODE, mode);
458 }
459 
460 /*
461  * Set the cipher mode.
462  *
463  * @pdesc: pointer HW descriptor struct
464  * @mode:  Any one of the modes defined in [CC7x-DESC]
465  */
466 static inline void set_cipher_mode(struct cc_hw_desc *pdesc, int mode)
467 {
468 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_MODE, mode);
469 }
470 
471 /*
472  * Set the cipher mode for hash algorithms.
473  *
474  * @pdesc: pointer HW descriptor struct
475  * @cipher_mode:  Any one of the modes defined in [CC7x-DESC]
476  * @hash_mode: specifies which hash is being handled
477  */
478 static inline void set_hash_cipher_mode(struct cc_hw_desc *pdesc,
479 					enum drv_cipher_mode cipher_mode,
480 					enum drv_hash_mode hash_mode)
481 {
482 	set_cipher_mode(pdesc, cipher_mode);
483 	if (hash_mode == DRV_HASH_SM3)
484 		set_aes_xor_crypto_key(pdesc);
485 }
486 
487 /*
488  * Set the cipher configuration fields.
489  *
490  * @pdesc: pointer HW descriptor struct
491  * @mode: Any one of the modes defined in [CC7x-DESC]
492  */
493 static inline void set_cipher_config0(struct cc_hw_desc *pdesc, int mode)
494 {
495 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF0, mode);
496 }
497 
498 /*
499  * Set the cipher configuration fields.
500  *
501  * @pdesc: pointer HW descriptor struct
502  * @config: Any one of the modes defined in [CC7x-DESC]
503  */
504 static inline void set_cipher_config1(struct cc_hw_desc *pdesc,
505 				      enum cc_hash_conf_pad config)
506 {
507 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF1, config);
508 }
509 
510 /*
511  * Set HW key configuration fields.
512  *
513  * @pdesc: pointer HW descriptor struct
514  * @hw_key: The HW key slot asdefined in enum cc_hw_crypto_key
515  */
516 static inline void set_hw_crypto_key(struct cc_hw_desc *pdesc,
517 				     enum cc_hw_crypto_key hw_key)
518 {
519 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
520 				     (hw_key & HW_KEY_MASK_CIPHER_DO)) |
521 			FIELD_PREP(WORD4_CIPHER_CONF2,
522 				   (hw_key >> HW_KEY_SHIFT_CIPHER_CFG2));
523 }
524 
525 /*
526  * Set byte order of all setup-finalize descriptors.
527  *
528  * @pdesc: pointer HW descriptor struct
529  * @config: Any one of the modes defined in [CC7x-DESC]
530  */
531 static inline void set_bytes_swap(struct cc_hw_desc *pdesc, bool config)
532 {
533 	pdesc->word[4] |= FIELD_PREP(WORD4_BYTES_SWAP, config);
534 }
535 
536 /*
537  * Set CMAC_SIZE0 mode.
538  *
539  * @pdesc: pointer HW descriptor struct
540  */
541 static inline void set_cmac_size0_mode(struct cc_hw_desc *pdesc)
542 {
543 	pdesc->word[4] |= FIELD_PREP(WORD4_CMAC_SIZE0, 1);
544 }
545 
546 /*
547  * Set key size descriptor field.
548  *
549  * @pdesc: pointer HW descriptor struct
550  * @size: key size in bytes (NOT size code)
551  */
552 static inline void set_key_size(struct cc_hw_desc *pdesc, u32 size)
553 {
554 	pdesc->word[4] |= FIELD_PREP(WORD4_KEY_SIZE, size);
555 }
556 
557 /*
558  * Set AES key size.
559  *
560  * @pdesc: pointer HW descriptor struct
561  * @size: key size in bytes (NOT size code)
562  */
563 static inline void set_key_size_aes(struct cc_hw_desc *pdesc, u32 size)
564 {
565 	set_key_size(pdesc, ((size >> 3) - 2));
566 }
567 
568 /*
569  * Set DES key size.
570  *
571  * @pdesc: pointer HW descriptor struct
572  * @size: key size in bytes (NOT size code)
573  */
574 static inline void set_key_size_des(struct cc_hw_desc *pdesc, u32 size)
575 {
576 	set_key_size(pdesc, ((size >> 3) - 1));
577 }
578 
579 /*
580  * Set the descriptor setup mode
581  *
582  * @pdesc: pointer HW descriptor struct
583  * @mode: Any one of the setup modes defined in [CC7x-DESC]
584  */
585 static inline void set_setup_mode(struct cc_hw_desc *pdesc,
586 				  enum cc_setup_op mode)
587 {
588 	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, mode);
589 }
590 
591 /*
592  * Set the descriptor cipher DO
593  *
594  * @pdesc: pointer HW descriptor struct
595  * @config: Any one of the cipher do defined in [CC7x-DESC]
596  */
597 static inline void set_cipher_do(struct cc_hw_desc *pdesc,
598 				 enum cc_hash_cipher_pad config)
599 {
600 	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
601 				(config & HW_KEY_MASK_CIPHER_DO));
602 }
603 
604 #endif /*__CC_HW_QUEUE_DEFS_H__*/
605