| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Hash function and HMAC support for StarFive driver |
| * |
| * Copyright (c) 2022 StarFive Technology |
| * |
| */ |
| |
| #include <crypto/engine.h> |
| #include <crypto/internal/hash.h> |
| #include <crypto/scatterwalk.h> |
| #include "jh7110-cryp.h" |
| #include <linux/amba/pl080.h> |
| #include <linux/clk.h> |
| #include <linux/dma-direct.h> |
| #include <linux/interrupt.h> |
| #include <linux/iopoll.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/reset.h> |
| |
| #define STARFIVE_HASH_REGS_OFFSET 0x300 |
| #define STARFIVE_HASH_SHACSR (STARFIVE_HASH_REGS_OFFSET + 0x0) |
| #define STARFIVE_HASH_SHAWDR (STARFIVE_HASH_REGS_OFFSET + 0x4) |
| #define STARFIVE_HASH_SHARDR (STARFIVE_HASH_REGS_OFFSET + 0x8) |
| #define STARFIVE_HASH_SHAWSR (STARFIVE_HASH_REGS_OFFSET + 0xC) |
| #define STARFIVE_HASH_SHAWLEN3 (STARFIVE_HASH_REGS_OFFSET + 0x10) |
| #define STARFIVE_HASH_SHAWLEN2 (STARFIVE_HASH_REGS_OFFSET + 0x14) |
| #define STARFIVE_HASH_SHAWLEN1 (STARFIVE_HASH_REGS_OFFSET + 0x18) |
| #define STARFIVE_HASH_SHAWLEN0 (STARFIVE_HASH_REGS_OFFSET + 0x1C) |
| #define STARFIVE_HASH_SHAWKR (STARFIVE_HASH_REGS_OFFSET + 0x20) |
| #define STARFIVE_HASH_SHAWKLEN (STARFIVE_HASH_REGS_OFFSET + 0x24) |
| |
| #define STARFIVE_HASH_BUFLEN SHA512_BLOCK_SIZE |
| #define STARFIVE_HASH_RESET 0x2 |
| |
| static inline int starfive_hash_wait_busy(struct starfive_cryp_ctx *ctx) |
| { |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| u32 status; |
| |
| return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, |
| !(status & STARFIVE_HASH_BUSY), 10, 100000); |
| } |
| |
| static inline int starfive_hash_wait_key_done(struct starfive_cryp_ctx *ctx) |
| { |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| u32 status; |
| |
| return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, |
| (status & STARFIVE_HASH_KEY_DONE), 10, 100000); |
| } |
| |
| static int starfive_hash_hmac_key(struct starfive_cryp_ctx *ctx) |
| { |
| struct starfive_cryp_request_ctx *rctx = ctx->rctx; |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| int klen = ctx->keylen, loop; |
| unsigned int *key = (unsigned int *)ctx->key; |
| unsigned char *cl; |
| |
| writel(ctx->keylen, cryp->base + STARFIVE_HASH_SHAWKLEN); |
| |
| rctx->csr.hash.hmac = 1; |
| rctx->csr.hash.key_flag = 1; |
| |
| writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); |
| |
| for (loop = 0; loop < klen / sizeof(unsigned int); loop++, key++) |
| writel(*key, cryp->base + STARFIVE_HASH_SHAWKR); |
| |
| if (klen & 0x3) { |
| cl = (unsigned char *)key; |
| for (loop = 0; loop < (klen & 0x3); loop++, cl++) |
| writeb(*cl, cryp->base + STARFIVE_HASH_SHAWKR); |
| } |
| |
| if (starfive_hash_wait_key_done(ctx)) |
| return dev_err_probe(cryp->dev, -ETIMEDOUT, "starfive_hash_wait_key_done error\n"); |
| |
| return 0; |
| } |
| |
| static void starfive_hash_start(void *param) |
| { |
| struct starfive_cryp_ctx *ctx = param; |
| struct starfive_cryp_request_ctx *rctx = ctx->rctx; |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| union starfive_alg_cr alg_cr; |
| union starfive_hash_csr csr; |
| u32 stat; |
| |
| dma_unmap_sg(cryp->dev, rctx->in_sg, rctx->in_sg_len, DMA_TO_DEVICE); |
| |
| alg_cr.v = 0; |
| alg_cr.clear = 1; |
| |
| writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET); |
| |
| csr.v = readl(cryp->base + STARFIVE_HASH_SHACSR); |
| csr.firstb = 0; |
| csr.final = 1; |
| |
| stat = readl(cryp->base + STARFIVE_IE_MASK_OFFSET); |
| stat &= ~STARFIVE_IE_MASK_HASH_DONE; |
| writel(stat, cryp->base + STARFIVE_IE_MASK_OFFSET); |
| writel(csr.v, cryp->base + STARFIVE_HASH_SHACSR); |
| } |
| |
| static int starfive_hash_xmit_dma(struct starfive_cryp_ctx *ctx) |
| { |
| struct starfive_cryp_request_ctx *rctx = ctx->rctx; |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| struct dma_async_tx_descriptor *in_desc; |
| union starfive_alg_cr alg_cr; |
| int total_len; |
| int ret; |
| |
| if (!rctx->total) { |
| starfive_hash_start(ctx); |
| return 0; |
| } |
| |
| writel(rctx->total, cryp->base + STARFIVE_DMA_IN_LEN_OFFSET); |
| |
| total_len = rctx->total; |
| total_len = (total_len & 0x3) ? (((total_len >> 2) + 1) << 2) : total_len; |
| sg_dma_len(rctx->in_sg) = total_len; |
| |
| alg_cr.v = 0; |
| alg_cr.start = 1; |
| alg_cr.hash_dma_en = 1; |
| |
| writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET); |
| |
| ret = dma_map_sg(cryp->dev, rctx->in_sg, rctx->in_sg_len, DMA_TO_DEVICE); |
| if (!ret) |
| return dev_err_probe(cryp->dev, -EINVAL, "dma_map_sg() error\n"); |
| |
| cryp->cfg_in.direction = DMA_MEM_TO_DEV; |
| cryp->cfg_in.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; |
| cryp->cfg_in.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; |
| cryp->cfg_in.src_maxburst = cryp->dma_maxburst; |
| cryp->cfg_in.dst_maxburst = cryp->dma_maxburst; |
| cryp->cfg_in.dst_addr = cryp->phys_base + STARFIVE_ALG_FIFO_OFFSET; |
| |
| dmaengine_slave_config(cryp->tx, &cryp->cfg_in); |
| |
| in_desc = dmaengine_prep_slave_sg(cryp->tx, rctx->in_sg, |
| ret, DMA_MEM_TO_DEV, |
| DMA_PREP_INTERRUPT | DMA_CTRL_ACK); |
| |
| if (!in_desc) |
| return -EINVAL; |
| |
| in_desc->callback = starfive_hash_start; |
| in_desc->callback_param = ctx; |
| |
| dmaengine_submit(in_desc); |
| dma_async_issue_pending(cryp->tx); |
| |
| return 0; |
| } |
| |
| static int starfive_hash_xmit(struct starfive_cryp_ctx *ctx) |
| { |
| struct starfive_cryp_request_ctx *rctx = ctx->rctx; |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| int ret = 0; |
| |
| rctx->csr.hash.v = 0; |
| rctx->csr.hash.reset = 1; |
| writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); |
| |
| if (starfive_hash_wait_busy(ctx)) |
| return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error resetting engine.\n"); |
| |
| rctx->csr.hash.v = 0; |
| rctx->csr.hash.mode = ctx->hash_mode; |
| rctx->csr.hash.ie = 1; |
| |
| if (ctx->is_hmac) { |
| ret = starfive_hash_hmac_key(ctx); |
| if (ret) |
| return ret; |
| } else { |
| rctx->csr.hash.start = 1; |
| rctx->csr.hash.firstb = 1; |
| writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR); |
| } |
| |
| return starfive_hash_xmit_dma(ctx); |
| } |
| |
| static int starfive_hash_copy_hash(struct ahash_request *req) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); |
| int count, *data; |
| int mlen; |
| |
| if (!req->result) |
| return 0; |
| |
| mlen = rctx->digsize / sizeof(u32); |
| data = (u32 *)req->result; |
| |
| for (count = 0; count < mlen; count++) |
| data[count] = readl(ctx->cryp->base + STARFIVE_HASH_SHARDR); |
| |
| return 0; |
| } |
| |
| void starfive_hash_done_task(unsigned long param) |
| { |
| struct starfive_cryp_dev *cryp = (struct starfive_cryp_dev *)param; |
| int err = cryp->err; |
| |
| if (!err) |
| err = starfive_hash_copy_hash(cryp->req.hreq); |
| |
| /* Reset to clear hash_done in irq register*/ |
| writel(STARFIVE_HASH_RESET, cryp->base + STARFIVE_HASH_SHACSR); |
| |
| crypto_finalize_hash_request(cryp->engine, cryp->req.hreq, err); |
| } |
| |
| static int starfive_hash_check_aligned(struct scatterlist *sg, size_t total, size_t align) |
| { |
| int len = 0; |
| |
| if (!total) |
| return 0; |
| |
| if (!IS_ALIGNED(total, align)) |
| return -EINVAL; |
| |
| while (sg) { |
| if (!IS_ALIGNED(sg->offset, sizeof(u32))) |
| return -EINVAL; |
| |
| if (!IS_ALIGNED(sg->length, align)) |
| return -EINVAL; |
| |
| len += sg->length; |
| sg = sg_next(sg); |
| } |
| |
| if (len != total) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static int starfive_hash_one_request(struct crypto_engine *engine, void *areq) |
| { |
| struct ahash_request *req = container_of(areq, struct ahash_request, |
| base); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| |
| if (!cryp) |
| return -ENODEV; |
| |
| return starfive_hash_xmit(ctx); |
| } |
| |
| static int starfive_hash_init(struct ahash_request *req) |
| { |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, |
| req->result, req->nbytes); |
| |
| return crypto_ahash_init(&rctx->ahash_fbk_req); |
| } |
| |
| static int starfive_hash_update(struct ahash_request *req) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, |
| req->result, req->nbytes); |
| |
| return crypto_ahash_update(&rctx->ahash_fbk_req); |
| } |
| |
| static int starfive_hash_final(struct ahash_request *req) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, |
| req->result, req->nbytes); |
| |
| return crypto_ahash_final(&rctx->ahash_fbk_req); |
| } |
| |
| static int starfive_hash_finup(struct ahash_request *req) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, |
| req->result, req->nbytes); |
| |
| return crypto_ahash_finup(&rctx->ahash_fbk_req); |
| } |
| |
| static int starfive_hash_digest_fb(struct ahash_request *req) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, req->base.flags, |
| req->base.complete, req->base.data); |
| |
| ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src, |
| req->result, req->nbytes); |
| |
| return crypto_ahash_digest(&rctx->ahash_fbk_req); |
| } |
| |
| static int starfive_hash_digest(struct ahash_request *req) |
| { |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct starfive_cryp_dev *cryp = ctx->cryp; |
| |
| memset(rctx, 0, sizeof(struct starfive_cryp_request_ctx)); |
| |
| cryp->req.hreq = req; |
| rctx->total = req->nbytes; |
| rctx->in_sg = req->src; |
| rctx->blksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); |
| rctx->digsize = crypto_ahash_digestsize(tfm); |
| rctx->in_sg_len = sg_nents_for_len(rctx->in_sg, rctx->total); |
| ctx->rctx = rctx; |
| |
| if (starfive_hash_check_aligned(rctx->in_sg, rctx->total, rctx->blksize)) |
| return starfive_hash_digest_fb(req); |
| |
| return crypto_transfer_hash_request_to_engine(cryp->engine, req); |
| } |
| |
| static int starfive_hash_export(struct ahash_request *req, void *out) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| return crypto_ahash_export(&rctx->ahash_fbk_req, out); |
| } |
| |
| static int starfive_hash_import(struct ahash_request *req, const void *in) |
| { |
| struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req); |
| struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm); |
| |
| ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk); |
| ahash_request_set_callback(&rctx->ahash_fbk_req, |
| req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP, |
| req->base.complete, req->base.data); |
| |
| return crypto_ahash_import(&rctx->ahash_fbk_req, in); |
| } |
| |
| static int starfive_hash_init_tfm(struct crypto_ahash *hash, |
| const char *alg_name, |
| unsigned int mode) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->cryp = starfive_cryp_find_dev(ctx); |
| |
| if (!ctx->cryp) |
| return -ENODEV; |
| |
| ctx->ahash_fbk = crypto_alloc_ahash(alg_name, 0, |
| CRYPTO_ALG_NEED_FALLBACK); |
| |
| if (IS_ERR(ctx->ahash_fbk)) |
| return dev_err_probe(ctx->cryp->dev, PTR_ERR(ctx->ahash_fbk), |
| "starfive_hash: Could not load fallback driver.\n"); |
| |
| crypto_ahash_set_statesize(hash, crypto_ahash_statesize(ctx->ahash_fbk)); |
| crypto_ahash_set_reqsize(hash, sizeof(struct starfive_cryp_request_ctx) + |
| crypto_ahash_reqsize(ctx->ahash_fbk)); |
| |
| ctx->keylen = 0; |
| ctx->hash_mode = mode; |
| |
| return 0; |
| } |
| |
| static void starfive_hash_exit_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| crypto_free_ahash(ctx->ahash_fbk); |
| } |
| |
| static int starfive_hash_long_setkey(struct starfive_cryp_ctx *ctx, |
| const u8 *key, unsigned int keylen, |
| const char *alg_name) |
| { |
| struct crypto_wait wait; |
| struct ahash_request *req; |
| struct scatterlist sg; |
| struct crypto_ahash *ahash_tfm; |
| u8 *buf; |
| int ret; |
| |
| ahash_tfm = crypto_alloc_ahash(alg_name, 0, 0); |
| if (IS_ERR(ahash_tfm)) |
| return PTR_ERR(ahash_tfm); |
| |
| req = ahash_request_alloc(ahash_tfm, GFP_KERNEL); |
| if (!req) { |
| ret = -ENOMEM; |
| goto err_free_ahash; |
| } |
| |
| crypto_init_wait(&wait); |
| ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, |
| crypto_req_done, &wait); |
| crypto_ahash_clear_flags(ahash_tfm, ~0); |
| |
| buf = kzalloc(keylen + STARFIVE_HASH_BUFLEN, GFP_KERNEL); |
| if (!buf) { |
| ret = -ENOMEM; |
| goto err_free_req; |
| } |
| |
| memcpy(buf, key, keylen); |
| sg_init_one(&sg, buf, keylen); |
| ahash_request_set_crypt(req, &sg, ctx->key, keylen); |
| |
| ret = crypto_wait_req(crypto_ahash_digest(req), &wait); |
| |
| kfree(buf); |
| err_free_req: |
| ahash_request_free(req); |
| err_free_ahash: |
| crypto_free_ahash(ahash_tfm); |
| return ret; |
| } |
| |
| static int starfive_hash_setkey(struct crypto_ahash *hash, |
| const u8 *key, unsigned int keylen) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| unsigned int digestsize = crypto_ahash_digestsize(hash); |
| unsigned int blocksize = crypto_ahash_blocksize(hash); |
| const char *alg_name; |
| |
| crypto_ahash_setkey(ctx->ahash_fbk, key, keylen); |
| |
| if (keylen <= blocksize) { |
| memcpy(ctx->key, key, keylen); |
| ctx->keylen = keylen; |
| return 0; |
| } |
| |
| ctx->keylen = digestsize; |
| |
| switch (digestsize) { |
| case SHA224_DIGEST_SIZE: |
| alg_name = "sha224-starfive"; |
| break; |
| case SHA256_DIGEST_SIZE: |
| if (ctx->hash_mode == STARFIVE_HASH_SM3) |
| alg_name = "sm3-starfive"; |
| else |
| alg_name = "sha256-starfive"; |
| break; |
| case SHA384_DIGEST_SIZE: |
| alg_name = "sha384-starfive"; |
| break; |
| case SHA512_DIGEST_SIZE: |
| alg_name = "sha512-starfive"; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return starfive_hash_long_setkey(ctx, key, keylen, alg_name); |
| } |
| |
| static int starfive_sha224_init_tfm(struct crypto_ahash *hash) |
| { |
| return starfive_hash_init_tfm(hash, "sha224-generic", |
| STARFIVE_HASH_SHA224); |
| } |
| |
| static int starfive_sha256_init_tfm(struct crypto_ahash *hash) |
| { |
| return starfive_hash_init_tfm(hash, "sha256-generic", |
| STARFIVE_HASH_SHA256); |
| } |
| |
| static int starfive_sha384_init_tfm(struct crypto_ahash *hash) |
| { |
| return starfive_hash_init_tfm(hash, "sha384-generic", |
| STARFIVE_HASH_SHA384); |
| } |
| |
| static int starfive_sha512_init_tfm(struct crypto_ahash *hash) |
| { |
| return starfive_hash_init_tfm(hash, "sha512-generic", |
| STARFIVE_HASH_SHA512); |
| } |
| |
| static int starfive_sm3_init_tfm(struct crypto_ahash *hash) |
| { |
| return starfive_hash_init_tfm(hash, "sm3-generic", |
| STARFIVE_HASH_SM3); |
| } |
| |
| static int starfive_hmac_sha224_init_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->is_hmac = true; |
| |
| return starfive_hash_init_tfm(hash, "hmac(sha224-generic)", |
| STARFIVE_HASH_SHA224); |
| } |
| |
| static int starfive_hmac_sha256_init_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->is_hmac = true; |
| |
| return starfive_hash_init_tfm(hash, "hmac(sha256-generic)", |
| STARFIVE_HASH_SHA256); |
| } |
| |
| static int starfive_hmac_sha384_init_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->is_hmac = true; |
| |
| return starfive_hash_init_tfm(hash, "hmac(sha384-generic)", |
| STARFIVE_HASH_SHA384); |
| } |
| |
| static int starfive_hmac_sha512_init_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->is_hmac = true; |
| |
| return starfive_hash_init_tfm(hash, "hmac(sha512-generic)", |
| STARFIVE_HASH_SHA512); |
| } |
| |
| static int starfive_hmac_sm3_init_tfm(struct crypto_ahash *hash) |
| { |
| struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash); |
| |
| ctx->is_hmac = true; |
| |
| return starfive_hash_init_tfm(hash, "hmac(sm3-generic)", |
| STARFIVE_HASH_SM3); |
| } |
| |
| static struct ahash_engine_alg algs_sha2_sm3[] = { |
| { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_sha224_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.halg = { |
| .digestsize = SHA224_DIGEST_SIZE, |
| .statesize = sizeof(struct sha256_state), |
| .base = { |
| .cra_name = "sha224", |
| .cra_driver_name = "sha224-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA224_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_hmac_sha224_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.setkey = starfive_hash_setkey, |
| .base.halg = { |
| .digestsize = SHA224_DIGEST_SIZE, |
| .statesize = sizeof(struct sha256_state), |
| .base = { |
| .cra_name = "hmac(sha224)", |
| .cra_driver_name = "sha224-hmac-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA224_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_sha256_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.halg = { |
| .digestsize = SHA256_DIGEST_SIZE, |
| .statesize = sizeof(struct sha256_state), |
| .base = { |
| .cra_name = "sha256", |
| .cra_driver_name = "sha256-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA256_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_hmac_sha256_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.setkey = starfive_hash_setkey, |
| .base.halg = { |
| .digestsize = SHA256_DIGEST_SIZE, |
| .statesize = sizeof(struct sha256_state), |
| .base = { |
| .cra_name = "hmac(sha256)", |
| .cra_driver_name = "sha256-hmac-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA256_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_sha384_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.halg = { |
| .digestsize = SHA384_DIGEST_SIZE, |
| .statesize = sizeof(struct sha512_state), |
| .base = { |
| .cra_name = "sha384", |
| .cra_driver_name = "sha384-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA384_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_hmac_sha384_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.setkey = starfive_hash_setkey, |
| .base.halg = { |
| .digestsize = SHA384_DIGEST_SIZE, |
| .statesize = sizeof(struct sha512_state), |
| .base = { |
| .cra_name = "hmac(sha384)", |
| .cra_driver_name = "sha384-hmac-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA384_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_sha512_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.halg = { |
| .digestsize = SHA512_DIGEST_SIZE, |
| .statesize = sizeof(struct sha512_state), |
| .base = { |
| .cra_name = "sha512", |
| .cra_driver_name = "sha512-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA512_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_hmac_sha512_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.setkey = starfive_hash_setkey, |
| .base.halg = { |
| .digestsize = SHA512_DIGEST_SIZE, |
| .statesize = sizeof(struct sha512_state), |
| .base = { |
| .cra_name = "hmac(sha512)", |
| .cra_driver_name = "sha512-hmac-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SHA512_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_sm3_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.halg = { |
| .digestsize = SM3_DIGEST_SIZE, |
| .statesize = sizeof(struct sm3_state), |
| .base = { |
| .cra_name = "sm3", |
| .cra_driver_name = "sm3-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SM3_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, { |
| .base.init = starfive_hash_init, |
| .base.update = starfive_hash_update, |
| .base.final = starfive_hash_final, |
| .base.finup = starfive_hash_finup, |
| .base.digest = starfive_hash_digest, |
| .base.export = starfive_hash_export, |
| .base.import = starfive_hash_import, |
| .base.init_tfm = starfive_hmac_sm3_init_tfm, |
| .base.exit_tfm = starfive_hash_exit_tfm, |
| .base.setkey = starfive_hash_setkey, |
| .base.halg = { |
| .digestsize = SM3_DIGEST_SIZE, |
| .statesize = sizeof(struct sm3_state), |
| .base = { |
| .cra_name = "hmac(sm3)", |
| .cra_driver_name = "sm3-hmac-starfive", |
| .cra_priority = 200, |
| .cra_flags = CRYPTO_ALG_ASYNC | |
| CRYPTO_ALG_TYPE_AHASH | |
| CRYPTO_ALG_NEED_FALLBACK, |
| .cra_blocksize = SM3_BLOCK_SIZE, |
| .cra_ctxsize = sizeof(struct starfive_cryp_ctx), |
| .cra_alignmask = 3, |
| .cra_module = THIS_MODULE, |
| } |
| }, |
| .op = { |
| .do_one_request = starfive_hash_one_request, |
| }, |
| }, |
| }; |
| |
| int starfive_hash_register_algs(void) |
| { |
| return crypto_engine_register_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3)); |
| } |
| |
| void starfive_hash_unregister_algs(void) |
| { |
| crypto_engine_unregister_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3)); |
| } |