--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Hash function and HMAC support for StarFive driver
+ *
+ * Copyright (c) 2022 StarFive Technology
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/crypto.h>
+#include <linux/dma-direct.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+#include <linux/amba/pl080.h>
+
+#include <crypto/hash.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/internal/hash.h>
+
+#include "jh7110-cryp.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
+
+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;
+
+ 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;
+
+ writel(~STARFIVE_IE_MASK_HASH_DONE, 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);
+
+ 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;
+
+ ctx->enginectx.op.do_one_request = starfive_hash_one_request;
+ ctx->enginectx.op.prepare_request = NULL;
+ ctx->enginectx.op.unprepare_request = NULL;
+
+ 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);
+
+ ctx->ahash_fbk = NULL;
+ ctx->enginectx.op.do_one_request = NULL;
+ ctx->enginectx.op.prepare_request = NULL;
+ ctx->enginectx.op.unprepare_request = NULL;
+}
+
+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_alg algs_sha2_sm3[] = {
+{
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_sha224_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_hmac_sha224_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .setkey = starfive_hash_setkey,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_sha256_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_hmac_sha256_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .setkey = starfive_hash_setkey,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_sha384_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_hmac_sha384_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .setkey = starfive_hash_setkey,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_sha512_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_hmac_sha512_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .setkey = starfive_hash_setkey,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_sm3_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .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,
+ }
+ }
+}, {
+ .init = starfive_hash_init,
+ .update = starfive_hash_update,
+ .final = starfive_hash_final,
+ .finup = starfive_hash_finup,
+ .digest = starfive_hash_digest,
+ .export = starfive_hash_export,
+ .import = starfive_hash_import,
+ .init_tfm = starfive_hmac_sm3_init_tfm,
+ .exit_tfm = starfive_hash_exit_tfm,
+ .setkey = starfive_hash_setkey,
+ .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,
+ }
+ }
+},
+};
+
+int starfive_hash_register_algs(void)
+{
+ return crypto_register_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
+}
+
+void starfive_hash_unregister_algs(void)
+{
+ crypto_unregister_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
+}
projects / platform / kernel / linux-starfive.git / commitdiff