xref: /linux/drivers/crypto/starfive/jh7110-hash.c (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Hash function and HMAC support for StarFive driver
4  *
5  * Copyright (c) 2022 StarFive Technology
6  *
7  */
8 
9 #include <crypto/engine.h>
10 #include <crypto/internal/hash.h>
11 #include <crypto/scatterwalk.h>
12 #include "jh7110-cryp.h"
13 #include <linux/amba/pl080.h>
14 #include <linux/clk.h>
15 #include <linux/dma-direct.h>
16 #include <linux/interrupt.h>
17 #include <linux/iopoll.h>
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/pm_runtime.h>
22 #include <linux/reset.h>
23 
24 #define STARFIVE_HASH_REGS_OFFSET	0x300
25 #define STARFIVE_HASH_SHACSR		(STARFIVE_HASH_REGS_OFFSET + 0x0)
26 #define STARFIVE_HASH_SHAWDR		(STARFIVE_HASH_REGS_OFFSET + 0x4)
27 #define STARFIVE_HASH_SHARDR		(STARFIVE_HASH_REGS_OFFSET + 0x8)
28 #define STARFIVE_HASH_SHAWSR		(STARFIVE_HASH_REGS_OFFSET + 0xC)
29 #define STARFIVE_HASH_SHAWLEN3		(STARFIVE_HASH_REGS_OFFSET + 0x10)
30 #define STARFIVE_HASH_SHAWLEN2		(STARFIVE_HASH_REGS_OFFSET + 0x14)
31 #define STARFIVE_HASH_SHAWLEN1		(STARFIVE_HASH_REGS_OFFSET + 0x18)
32 #define STARFIVE_HASH_SHAWLEN0		(STARFIVE_HASH_REGS_OFFSET + 0x1C)
33 #define STARFIVE_HASH_SHAWKR		(STARFIVE_HASH_REGS_OFFSET + 0x20)
34 #define STARFIVE_HASH_SHAWKLEN		(STARFIVE_HASH_REGS_OFFSET + 0x24)
35 
36 #define STARFIVE_HASH_BUFLEN		SHA512_BLOCK_SIZE
37 #define STARFIVE_HASH_RESET		0x2
38 
39 static inline int starfive_hash_wait_busy(struct starfive_cryp_dev *cryp)
40 {
41 	u32 status;
42 
43 	return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
44 					  !(status & STARFIVE_HASH_BUSY), 10, 100000);
45 }
46 
47 static inline int starfive_hash_wait_hmac_done(struct starfive_cryp_dev *cryp)
48 {
49 	u32 status;
50 
51 	return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
52 					  (status & STARFIVE_HASH_HMAC_DONE), 10, 100000);
53 }
54 
55 static inline int starfive_hash_wait_key_done(struct starfive_cryp_ctx *ctx)
56 {
57 	struct starfive_cryp_dev *cryp = ctx->cryp;
58 	u32 status;
59 
60 	return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
61 					  (status & STARFIVE_HASH_KEY_DONE), 10, 100000);
62 }
63 
64 static int starfive_hash_hmac_key(struct starfive_cryp_ctx *ctx)
65 {
66 	struct starfive_cryp_request_ctx *rctx = ctx->rctx;
67 	struct starfive_cryp_dev *cryp = ctx->cryp;
68 	int klen = ctx->keylen, loop;
69 	unsigned int *key = (unsigned int *)ctx->key;
70 	unsigned char *cl;
71 
72 	writel(ctx->keylen, cryp->base + STARFIVE_HASH_SHAWKLEN);
73 
74 	rctx->csr.hash.hmac = 1;
75 	rctx->csr.hash.key_flag = 1;
76 
77 	writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR);
78 
79 	for (loop = 0; loop < klen / sizeof(unsigned int); loop++, key++)
80 		writel(*key, cryp->base + STARFIVE_HASH_SHAWKR);
81 
82 	if (klen & 0x3) {
83 		cl = (unsigned char *)key;
84 		for (loop = 0; loop < (klen & 0x3); loop++, cl++)
85 			writeb(*cl, cryp->base + STARFIVE_HASH_SHAWKR);
86 	}
87 
88 	if (starfive_hash_wait_key_done(ctx))
89 		return dev_err_probe(cryp->dev, -ETIMEDOUT, "starfive_hash_wait_key_done error\n");
90 
91 	return 0;
92 }
93 
94 static void starfive_hash_start(struct starfive_cryp_dev *cryp)
95 {
96 	union starfive_hash_csr csr;
97 
98 	csr.v = readl(cryp->base + STARFIVE_HASH_SHACSR);
99 	csr.firstb = 0;
100 	csr.final = 1;
101 	writel(csr.v, cryp->base + STARFIVE_HASH_SHACSR);
102 }
103 
104 static void starfive_hash_dma_callback(void *param)
105 {
106 	struct starfive_cryp_dev *cryp = param;
107 
108 	complete(&cryp->dma_done);
109 }
110 
111 static void starfive_hash_dma_init(struct starfive_cryp_dev *cryp)
112 {
113 	cryp->cfg_in.src_addr_width = DMA_SLAVE_BUSWIDTH_16_BYTES;
114 	cryp->cfg_in.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
115 	cryp->cfg_in.src_maxburst = cryp->dma_maxburst;
116 	cryp->cfg_in.dst_maxburst = cryp->dma_maxburst;
117 	cryp->cfg_in.dst_addr = cryp->phys_base + STARFIVE_ALG_FIFO_OFFSET;
118 
119 	dmaengine_slave_config(cryp->tx, &cryp->cfg_in);
120 
121 	init_completion(&cryp->dma_done);
122 }
123 
124 static int starfive_hash_dma_xfer(struct starfive_cryp_dev *cryp,
125 				  struct scatterlist *sg)
126 {
127 	struct dma_async_tx_descriptor *in_desc;
128 	union starfive_alg_cr alg_cr;
129 	int ret = 0;
130 
131 	alg_cr.v = 0;
132 	alg_cr.start = 1;
133 	alg_cr.hash_dma_en = 1;
134 	writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET);
135 
136 	writel(sg_dma_len(sg), cryp->base + STARFIVE_DMA_IN_LEN_OFFSET);
137 	sg_dma_len(sg) = ALIGN(sg_dma_len(sg), sizeof(u32));
138 
139 	in_desc = dmaengine_prep_slave_sg(cryp->tx, sg, 1, DMA_MEM_TO_DEV,
140 					  DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
141 	if (!in_desc) {
142 		ret = -EINVAL;
143 		goto end;
144 	}
145 
146 	reinit_completion(&cryp->dma_done);
147 	in_desc->callback = starfive_hash_dma_callback;
148 	in_desc->callback_param = cryp;
149 
150 	dmaengine_submit(in_desc);
151 	dma_async_issue_pending(cryp->tx);
152 
153 	if (!wait_for_completion_timeout(&cryp->dma_done,
154 					 msecs_to_jiffies(1000)))
155 		ret = -ETIMEDOUT;
156 
157 end:
158 	alg_cr.v = 0;
159 	alg_cr.clear = 1;
160 	writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET);
161 
162 	return ret;
163 }
164 
165 static int starfive_hash_copy_hash(struct ahash_request *req)
166 {
167 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
168 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
169 	int count, *data;
170 	int mlen;
171 
172 	if (!req->result)
173 		return 0;
174 
175 	mlen = rctx->digsize / sizeof(u32);
176 	data = (u32 *)req->result;
177 
178 	for (count = 0; count < mlen; count++)
179 		put_unaligned(readl(ctx->cryp->base + STARFIVE_HASH_SHARDR),
180 			      &data[count]);
181 
182 	return 0;
183 }
184 
185 static void starfive_hash_done_task(struct starfive_cryp_dev *cryp)
186 {
187 	int err = cryp->err;
188 
189 	if (!err)
190 		err = starfive_hash_copy_hash(cryp->req.hreq);
191 
192 	crypto_finalize_hash_request(cryp->engine, cryp->req.hreq, err);
193 }
194 
195 static int starfive_hash_one_request(struct crypto_engine *engine, void *areq)
196 {
197 	struct ahash_request *req = container_of(areq, struct ahash_request,
198 						 base);
199 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
200 	struct starfive_cryp_request_ctx *rctx = ctx->rctx;
201 	struct starfive_cryp_dev *cryp = ctx->cryp;
202 	struct scatterlist *tsg;
203 	int ret, src_nents, i;
204 
205 	writel(STARFIVE_HASH_RESET, cryp->base + STARFIVE_HASH_SHACSR);
206 
207 	if (starfive_hash_wait_busy(cryp))
208 		return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error resetting hardware\n");
209 
210 	rctx->csr.hash.v = 0;
211 	rctx->csr.hash.mode = ctx->hash_mode;
212 
213 	if (ctx->is_hmac) {
214 		ret = starfive_hash_hmac_key(ctx);
215 		if (ret)
216 			return ret;
217 	} else {
218 		rctx->csr.hash.start = 1;
219 		rctx->csr.hash.firstb = 1;
220 		writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR);
221 	}
222 
223 	/* No input message, get digest and end. */
224 	if (!rctx->total)
225 		goto hash_start;
226 
227 	starfive_hash_dma_init(cryp);
228 
229 	for_each_sg(rctx->in_sg, tsg, rctx->in_sg_len, i) {
230 		src_nents = dma_map_sg(cryp->dev, tsg, 1, DMA_TO_DEVICE);
231 		if (src_nents == 0)
232 			return dev_err_probe(cryp->dev, -ENOMEM,
233 					     "dma_map_sg error\n");
234 
235 		ret = starfive_hash_dma_xfer(cryp, tsg);
236 		dma_unmap_sg(cryp->dev, tsg, 1, DMA_TO_DEVICE);
237 		if (ret)
238 			return ret;
239 	}
240 
241 hash_start:
242 	starfive_hash_start(cryp);
243 
244 	if (starfive_hash_wait_busy(cryp))
245 		return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error generating digest\n");
246 
247 	if (ctx->is_hmac)
248 		cryp->err = starfive_hash_wait_hmac_done(cryp);
249 
250 	starfive_hash_done_task(cryp);
251 
252 	return 0;
253 }
254 
255 static int starfive_hash_init(struct ahash_request *req)
256 {
257 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
258 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
259 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
260 
261 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
262 	ahash_request_set_callback(&rctx->ahash_fbk_req,
263 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
264 				   req->base.complete, req->base.data);
265 
266 	ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
267 				req->result, req->nbytes);
268 
269 	return crypto_ahash_init(&rctx->ahash_fbk_req);
270 }
271 
272 static int starfive_hash_update(struct ahash_request *req)
273 {
274 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
275 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
276 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
277 
278 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
279 	ahash_request_set_callback(&rctx->ahash_fbk_req,
280 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
281 				   req->base.complete, req->base.data);
282 
283 	ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
284 				req->result, req->nbytes);
285 
286 	return crypto_ahash_update(&rctx->ahash_fbk_req);
287 }
288 
289 static int starfive_hash_final(struct ahash_request *req)
290 {
291 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
292 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
293 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
294 
295 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
296 	ahash_request_set_callback(&rctx->ahash_fbk_req,
297 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
298 				   req->base.complete, req->base.data);
299 
300 	ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
301 				req->result, req->nbytes);
302 
303 	return crypto_ahash_final(&rctx->ahash_fbk_req);
304 }
305 
306 static int starfive_hash_finup(struct ahash_request *req)
307 {
308 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
309 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
310 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
311 
312 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
313 	ahash_request_set_callback(&rctx->ahash_fbk_req,
314 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
315 				   req->base.complete, req->base.data);
316 
317 	ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
318 				req->result, req->nbytes);
319 
320 	return crypto_ahash_finup(&rctx->ahash_fbk_req);
321 }
322 
323 static int starfive_hash_digest(struct ahash_request *req)
324 {
325 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
326 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
327 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
328 	struct starfive_cryp_dev *cryp = ctx->cryp;
329 
330 	memset(rctx, 0, sizeof(struct starfive_cryp_request_ctx));
331 
332 	cryp->req.hreq = req;
333 	rctx->total = req->nbytes;
334 	rctx->in_sg = req->src;
335 	rctx->blksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
336 	rctx->digsize = crypto_ahash_digestsize(tfm);
337 	rctx->in_sg_len = sg_nents_for_len(rctx->in_sg, rctx->total);
338 	ctx->rctx = rctx;
339 
340 	return crypto_transfer_hash_request_to_engine(cryp->engine, req);
341 }
342 
343 static int starfive_hash_export(struct ahash_request *req, void *out)
344 {
345 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
346 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
347 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
348 
349 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
350 	ahash_request_set_callback(&rctx->ahash_fbk_req,
351 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
352 				   req->base.complete, req->base.data);
353 
354 	return crypto_ahash_export(&rctx->ahash_fbk_req, out);
355 }
356 
357 static int starfive_hash_import(struct ahash_request *req, const void *in)
358 {
359 	struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
360 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
361 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
362 
363 	ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
364 	ahash_request_set_callback(&rctx->ahash_fbk_req,
365 				   req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
366 				   req->base.complete, req->base.data);
367 
368 	return crypto_ahash_import(&rctx->ahash_fbk_req, in);
369 }
370 
371 static int starfive_hash_init_tfm(struct crypto_ahash *hash,
372 				  const char *alg_name,
373 				  unsigned int mode,
374 				  bool is_hmac)
375 {
376 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
377 
378 	ctx->cryp = starfive_cryp_find_dev(ctx);
379 
380 	if (!ctx->cryp)
381 		return -ENODEV;
382 
383 	ctx->ahash_fbk = crypto_alloc_ahash(alg_name, 0,
384 					    CRYPTO_ALG_NEED_FALLBACK);
385 
386 	if (IS_ERR(ctx->ahash_fbk))
387 		return dev_err_probe(ctx->cryp->dev, PTR_ERR(ctx->ahash_fbk),
388 				     "starfive_hash: Could not load fallback driver.\n");
389 
390 	crypto_ahash_set_statesize(hash, crypto_ahash_statesize(ctx->ahash_fbk));
391 	crypto_ahash_set_reqsize(hash, sizeof(struct starfive_cryp_request_ctx) +
392 				 crypto_ahash_reqsize(ctx->ahash_fbk));
393 
394 	ctx->is_hmac = is_hmac;
395 	ctx->hash_mode = mode;
396 
397 	return 0;
398 }
399 
400 static void starfive_hash_exit_tfm(struct crypto_ahash *hash)
401 {
402 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
403 
404 	crypto_free_ahash(ctx->ahash_fbk);
405 }
406 
407 static int starfive_hash_long_setkey(struct starfive_cryp_ctx *ctx,
408 				     const u8 *key, unsigned int keylen,
409 				     const char *alg_name)
410 {
411 	struct crypto_wait wait;
412 	struct ahash_request *req;
413 	struct scatterlist sg;
414 	struct crypto_ahash *ahash_tfm;
415 	u8 *buf;
416 	int ret;
417 
418 	ahash_tfm = crypto_alloc_ahash(alg_name, 0, 0);
419 	if (IS_ERR(ahash_tfm))
420 		return PTR_ERR(ahash_tfm);
421 
422 	req = ahash_request_alloc(ahash_tfm, GFP_KERNEL);
423 	if (!req) {
424 		ret = -ENOMEM;
425 		goto err_free_ahash;
426 	}
427 
428 	crypto_init_wait(&wait);
429 	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
430 				   crypto_req_done, &wait);
431 	crypto_ahash_clear_flags(ahash_tfm, ~0);
432 
433 	buf = kzalloc(keylen + STARFIVE_HASH_BUFLEN, GFP_KERNEL);
434 	if (!buf) {
435 		ret = -ENOMEM;
436 		goto err_free_req;
437 	}
438 
439 	memcpy(buf, key, keylen);
440 	sg_init_one(&sg, buf, keylen);
441 	ahash_request_set_crypt(req, &sg, ctx->key, keylen);
442 
443 	ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
444 
445 	kfree(buf);
446 err_free_req:
447 	ahash_request_free(req);
448 err_free_ahash:
449 	crypto_free_ahash(ahash_tfm);
450 	return ret;
451 }
452 
453 static int starfive_hash_setkey(struct crypto_ahash *hash,
454 				const u8 *key, unsigned int keylen)
455 {
456 	struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
457 	unsigned int digestsize = crypto_ahash_digestsize(hash);
458 	unsigned int blocksize = crypto_ahash_blocksize(hash);
459 	const char *alg_name;
460 
461 	crypto_ahash_setkey(ctx->ahash_fbk, key, keylen);
462 
463 	if (keylen <= blocksize) {
464 		memcpy(ctx->key, key, keylen);
465 		ctx->keylen = keylen;
466 		return 0;
467 	}
468 
469 	ctx->keylen = digestsize;
470 
471 	switch (digestsize) {
472 	case SHA224_DIGEST_SIZE:
473 		alg_name = "sha224-starfive";
474 		break;
475 	case SHA256_DIGEST_SIZE:
476 		if (ctx->hash_mode == STARFIVE_HASH_SM3)
477 			alg_name = "sm3-starfive";
478 		else
479 			alg_name = "sha256-starfive";
480 		break;
481 	case SHA384_DIGEST_SIZE:
482 		alg_name = "sha384-starfive";
483 		break;
484 	case SHA512_DIGEST_SIZE:
485 		alg_name = "sha512-starfive";
486 		break;
487 	default:
488 		return -EINVAL;
489 	}
490 
491 	return starfive_hash_long_setkey(ctx, key, keylen, alg_name);
492 }
493 
494 static int starfive_sha224_init_tfm(struct crypto_ahash *hash)
495 {
496 	return starfive_hash_init_tfm(hash, "sha224-generic",
497 				      STARFIVE_HASH_SHA224, 0);
498 }
499 
500 static int starfive_sha256_init_tfm(struct crypto_ahash *hash)
501 {
502 	return starfive_hash_init_tfm(hash, "sha256-generic",
503 				      STARFIVE_HASH_SHA256, 0);
504 }
505 
506 static int starfive_sha384_init_tfm(struct crypto_ahash *hash)
507 {
508 	return starfive_hash_init_tfm(hash, "sha384-generic",
509 				      STARFIVE_HASH_SHA384, 0);
510 }
511 
512 static int starfive_sha512_init_tfm(struct crypto_ahash *hash)
513 {
514 	return starfive_hash_init_tfm(hash, "sha512-generic",
515 				      STARFIVE_HASH_SHA512, 0);
516 }
517 
518 static int starfive_sm3_init_tfm(struct crypto_ahash *hash)
519 {
520 	return starfive_hash_init_tfm(hash, "sm3-generic",
521 				      STARFIVE_HASH_SM3, 0);
522 }
523 
524 static int starfive_hmac_sha224_init_tfm(struct crypto_ahash *hash)
525 {
526 	return starfive_hash_init_tfm(hash, "hmac(sha224-generic)",
527 				      STARFIVE_HASH_SHA224, 1);
528 }
529 
530 static int starfive_hmac_sha256_init_tfm(struct crypto_ahash *hash)
531 {
532 	return starfive_hash_init_tfm(hash, "hmac(sha256-generic)",
533 				      STARFIVE_HASH_SHA256, 1);
534 }
535 
536 static int starfive_hmac_sha384_init_tfm(struct crypto_ahash *hash)
537 {
538 	return starfive_hash_init_tfm(hash, "hmac(sha384-generic)",
539 				      STARFIVE_HASH_SHA384, 1);
540 }
541 
542 static int starfive_hmac_sha512_init_tfm(struct crypto_ahash *hash)
543 {
544 	return starfive_hash_init_tfm(hash, "hmac(sha512-generic)",
545 				      STARFIVE_HASH_SHA512, 1);
546 }
547 
548 static int starfive_hmac_sm3_init_tfm(struct crypto_ahash *hash)
549 {
550 	return starfive_hash_init_tfm(hash, "hmac(sm3-generic)",
551 				      STARFIVE_HASH_SM3, 1);
552 }
553 
554 static struct ahash_engine_alg algs_sha2_sm3[] = {
555 {
556 	.base.init     = starfive_hash_init,
557 	.base.update   = starfive_hash_update,
558 	.base.final    = starfive_hash_final,
559 	.base.finup    = starfive_hash_finup,
560 	.base.digest   = starfive_hash_digest,
561 	.base.export   = starfive_hash_export,
562 	.base.import   = starfive_hash_import,
563 	.base.init_tfm = starfive_sha224_init_tfm,
564 	.base.exit_tfm = starfive_hash_exit_tfm,
565 	.base.halg = {
566 		.digestsize = SHA224_DIGEST_SIZE,
567 		.statesize  = sizeof(struct sha256_state),
568 		.base = {
569 			.cra_name		= "sha224",
570 			.cra_driver_name	= "sha224-starfive",
571 			.cra_priority		= 200,
572 			.cra_flags		= CRYPTO_ALG_ASYNC |
573 						  CRYPTO_ALG_TYPE_AHASH |
574 						  CRYPTO_ALG_NEED_FALLBACK,
575 			.cra_blocksize		= SHA224_BLOCK_SIZE,
576 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
577 			.cra_module		= THIS_MODULE,
578 		}
579 	},
580 	.op = {
581 		.do_one_request = starfive_hash_one_request,
582 	},
583 }, {
584 	.base.init     = starfive_hash_init,
585 	.base.update   = starfive_hash_update,
586 	.base.final    = starfive_hash_final,
587 	.base.finup    = starfive_hash_finup,
588 	.base.digest   = starfive_hash_digest,
589 	.base.export   = starfive_hash_export,
590 	.base.import   = starfive_hash_import,
591 	.base.init_tfm = starfive_hmac_sha224_init_tfm,
592 	.base.exit_tfm = starfive_hash_exit_tfm,
593 	.base.setkey   = starfive_hash_setkey,
594 	.base.halg = {
595 		.digestsize = SHA224_DIGEST_SIZE,
596 		.statesize  = sizeof(struct sha256_state),
597 		.base = {
598 			.cra_name		= "hmac(sha224)",
599 			.cra_driver_name	= "sha224-hmac-starfive",
600 			.cra_priority		= 200,
601 			.cra_flags		= CRYPTO_ALG_ASYNC |
602 						  CRYPTO_ALG_TYPE_AHASH |
603 						  CRYPTO_ALG_NEED_FALLBACK,
604 			.cra_blocksize		= SHA224_BLOCK_SIZE,
605 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
606 			.cra_module		= THIS_MODULE,
607 		}
608 	},
609 	.op = {
610 		.do_one_request = starfive_hash_one_request,
611 	},
612 }, {
613 	.base.init     = starfive_hash_init,
614 	.base.update   = starfive_hash_update,
615 	.base.final    = starfive_hash_final,
616 	.base.finup    = starfive_hash_finup,
617 	.base.digest   = starfive_hash_digest,
618 	.base.export   = starfive_hash_export,
619 	.base.import   = starfive_hash_import,
620 	.base.init_tfm = starfive_sha256_init_tfm,
621 	.base.exit_tfm = starfive_hash_exit_tfm,
622 	.base.halg = {
623 		.digestsize = SHA256_DIGEST_SIZE,
624 		.statesize  = sizeof(struct sha256_state),
625 		.base = {
626 			.cra_name		= "sha256",
627 			.cra_driver_name	= "sha256-starfive",
628 			.cra_priority		= 200,
629 			.cra_flags		= CRYPTO_ALG_ASYNC |
630 						  CRYPTO_ALG_TYPE_AHASH |
631 						  CRYPTO_ALG_NEED_FALLBACK,
632 			.cra_blocksize		= SHA256_BLOCK_SIZE,
633 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
634 			.cra_module		= THIS_MODULE,
635 		}
636 	},
637 	.op = {
638 		.do_one_request = starfive_hash_one_request,
639 	},
640 }, {
641 	.base.init     = starfive_hash_init,
642 	.base.update   = starfive_hash_update,
643 	.base.final    = starfive_hash_final,
644 	.base.finup    = starfive_hash_finup,
645 	.base.digest   = starfive_hash_digest,
646 	.base.export   = starfive_hash_export,
647 	.base.import   = starfive_hash_import,
648 	.base.init_tfm = starfive_hmac_sha256_init_tfm,
649 	.base.exit_tfm = starfive_hash_exit_tfm,
650 	.base.setkey   = starfive_hash_setkey,
651 	.base.halg = {
652 		.digestsize = SHA256_DIGEST_SIZE,
653 		.statesize  = sizeof(struct sha256_state),
654 		.base = {
655 			.cra_name		= "hmac(sha256)",
656 			.cra_driver_name	= "sha256-hmac-starfive",
657 			.cra_priority		= 200,
658 			.cra_flags		= CRYPTO_ALG_ASYNC |
659 						  CRYPTO_ALG_TYPE_AHASH |
660 						  CRYPTO_ALG_NEED_FALLBACK,
661 			.cra_blocksize		= SHA256_BLOCK_SIZE,
662 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
663 			.cra_module		= THIS_MODULE,
664 		}
665 	},
666 	.op = {
667 		.do_one_request = starfive_hash_one_request,
668 	},
669 }, {
670 	.base.init     = starfive_hash_init,
671 	.base.update   = starfive_hash_update,
672 	.base.final    = starfive_hash_final,
673 	.base.finup    = starfive_hash_finup,
674 	.base.digest   = starfive_hash_digest,
675 	.base.export   = starfive_hash_export,
676 	.base.import   = starfive_hash_import,
677 	.base.init_tfm = starfive_sha384_init_tfm,
678 	.base.exit_tfm = starfive_hash_exit_tfm,
679 	.base.halg = {
680 		.digestsize = SHA384_DIGEST_SIZE,
681 		.statesize  = sizeof(struct sha512_state),
682 		.base = {
683 			.cra_name		= "sha384",
684 			.cra_driver_name	= "sha384-starfive",
685 			.cra_priority		= 200,
686 			.cra_flags		= CRYPTO_ALG_ASYNC |
687 						  CRYPTO_ALG_TYPE_AHASH |
688 						  CRYPTO_ALG_NEED_FALLBACK,
689 			.cra_blocksize		= SHA384_BLOCK_SIZE,
690 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
691 			.cra_module		= THIS_MODULE,
692 		}
693 	},
694 	.op = {
695 		.do_one_request = starfive_hash_one_request,
696 	},
697 }, {
698 	.base.init     = starfive_hash_init,
699 	.base.update   = starfive_hash_update,
700 	.base.final    = starfive_hash_final,
701 	.base.finup    = starfive_hash_finup,
702 	.base.digest   = starfive_hash_digest,
703 	.base.export   = starfive_hash_export,
704 	.base.import   = starfive_hash_import,
705 	.base.init_tfm = starfive_hmac_sha384_init_tfm,
706 	.base.exit_tfm = starfive_hash_exit_tfm,
707 	.base.setkey   = starfive_hash_setkey,
708 	.base.halg = {
709 		.digestsize = SHA384_DIGEST_SIZE,
710 		.statesize  = sizeof(struct sha512_state),
711 		.base = {
712 			.cra_name		= "hmac(sha384)",
713 			.cra_driver_name	= "sha384-hmac-starfive",
714 			.cra_priority		= 200,
715 			.cra_flags		= CRYPTO_ALG_ASYNC |
716 						  CRYPTO_ALG_TYPE_AHASH |
717 						  CRYPTO_ALG_NEED_FALLBACK,
718 			.cra_blocksize		= SHA384_BLOCK_SIZE,
719 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
720 			.cra_module		= THIS_MODULE,
721 		}
722 	},
723 	.op = {
724 		.do_one_request = starfive_hash_one_request,
725 	},
726 }, {
727 	.base.init     = starfive_hash_init,
728 	.base.update   = starfive_hash_update,
729 	.base.final    = starfive_hash_final,
730 	.base.finup    = starfive_hash_finup,
731 	.base.digest   = starfive_hash_digest,
732 	.base.export   = starfive_hash_export,
733 	.base.import   = starfive_hash_import,
734 	.base.init_tfm = starfive_sha512_init_tfm,
735 	.base.exit_tfm = starfive_hash_exit_tfm,
736 	.base.halg = {
737 		.digestsize = SHA512_DIGEST_SIZE,
738 		.statesize  = sizeof(struct sha512_state),
739 		.base = {
740 			.cra_name		= "sha512",
741 			.cra_driver_name	= "sha512-starfive",
742 			.cra_priority		= 200,
743 			.cra_flags		= CRYPTO_ALG_ASYNC |
744 						  CRYPTO_ALG_TYPE_AHASH |
745 						  CRYPTO_ALG_NEED_FALLBACK,
746 			.cra_blocksize		= SHA512_BLOCK_SIZE,
747 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
748 			.cra_module		= THIS_MODULE,
749 		}
750 	},
751 	.op = {
752 		.do_one_request = starfive_hash_one_request,
753 	},
754 }, {
755 	.base.init     = starfive_hash_init,
756 	.base.update   = starfive_hash_update,
757 	.base.final    = starfive_hash_final,
758 	.base.finup    = starfive_hash_finup,
759 	.base.digest   = starfive_hash_digest,
760 	.base.export   = starfive_hash_export,
761 	.base.import   = starfive_hash_import,
762 	.base.init_tfm = starfive_hmac_sha512_init_tfm,
763 	.base.exit_tfm = starfive_hash_exit_tfm,
764 	.base.setkey   = starfive_hash_setkey,
765 	.base.halg = {
766 		.digestsize = SHA512_DIGEST_SIZE,
767 		.statesize  = sizeof(struct sha512_state),
768 		.base = {
769 			.cra_name		= "hmac(sha512)",
770 			.cra_driver_name	= "sha512-hmac-starfive",
771 			.cra_priority		= 200,
772 			.cra_flags		= CRYPTO_ALG_ASYNC |
773 						  CRYPTO_ALG_TYPE_AHASH |
774 						  CRYPTO_ALG_NEED_FALLBACK,
775 			.cra_blocksize		= SHA512_BLOCK_SIZE,
776 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
777 			.cra_module		= THIS_MODULE,
778 		}
779 	},
780 	.op = {
781 		.do_one_request = starfive_hash_one_request,
782 	},
783 }, {
784 	.base.init     = starfive_hash_init,
785 	.base.update   = starfive_hash_update,
786 	.base.final    = starfive_hash_final,
787 	.base.finup    = starfive_hash_finup,
788 	.base.digest   = starfive_hash_digest,
789 	.base.export   = starfive_hash_export,
790 	.base.import   = starfive_hash_import,
791 	.base.init_tfm = starfive_sm3_init_tfm,
792 	.base.exit_tfm = starfive_hash_exit_tfm,
793 	.base.halg = {
794 		.digestsize = SM3_DIGEST_SIZE,
795 		.statesize  = sizeof(struct sm3_state),
796 		.base = {
797 			.cra_name		= "sm3",
798 			.cra_driver_name	= "sm3-starfive",
799 			.cra_priority		= 200,
800 			.cra_flags		= CRYPTO_ALG_ASYNC |
801 						  CRYPTO_ALG_TYPE_AHASH |
802 						  CRYPTO_ALG_NEED_FALLBACK,
803 			.cra_blocksize		= SM3_BLOCK_SIZE,
804 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
805 			.cra_module		= THIS_MODULE,
806 		}
807 	},
808 	.op = {
809 		.do_one_request = starfive_hash_one_request,
810 	},
811 }, {
812 	.base.init	  = starfive_hash_init,
813 	.base.update	  = starfive_hash_update,
814 	.base.final	  = starfive_hash_final,
815 	.base.finup	  = starfive_hash_finup,
816 	.base.digest	  = starfive_hash_digest,
817 	.base.export	  = starfive_hash_export,
818 	.base.import	  = starfive_hash_import,
819 	.base.init_tfm = starfive_hmac_sm3_init_tfm,
820 	.base.exit_tfm = starfive_hash_exit_tfm,
821 	.base.setkey	  = starfive_hash_setkey,
822 	.base.halg = {
823 		.digestsize = SM3_DIGEST_SIZE,
824 		.statesize  = sizeof(struct sm3_state),
825 		.base = {
826 			.cra_name		= "hmac(sm3)",
827 			.cra_driver_name	= "sm3-hmac-starfive",
828 			.cra_priority		= 200,
829 			.cra_flags		= CRYPTO_ALG_ASYNC |
830 						  CRYPTO_ALG_TYPE_AHASH |
831 						  CRYPTO_ALG_NEED_FALLBACK,
832 			.cra_blocksize		= SM3_BLOCK_SIZE,
833 			.cra_ctxsize		= sizeof(struct starfive_cryp_ctx),
834 			.cra_module		= THIS_MODULE,
835 		}
836 	},
837 	.op = {
838 		.do_one_request = starfive_hash_one_request,
839 	},
840 },
841 };
842 
843 int starfive_hash_register_algs(void)
844 {
845 	return crypto_engine_register_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
846 }
847 
848 void starfive_hash_unregister_algs(void)
849 {
850 	crypto_engine_unregister_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
851 }
852