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