summaryrefslogtreecommitdiffstats
path: root/drivers/crypto/hisilicon/sec
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/crypto/hisilicon/sec
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/crypto/hisilicon/sec/Makefile3
-rw-r--r--drivers/crypto/hisilicon/sec/sec_algs.c1122
-rw-r--r--drivers/crypto/hisilicon/sec/sec_drv.c1321
-rw-r--r--drivers/crypto/hisilicon/sec/sec_drv.h428
-rw-r--r--drivers/crypto/hisilicon/sec2/Makefile2
-rw-r--r--drivers/crypto/hisilicon/sec2/sec.h235
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.c2576
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.h410
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_main.c1383
9 files changed, 7480 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/sec/Makefile b/drivers/crypto/hisilicon/sec/Makefile
new file mode 100644
index 000000000..a55b698e0
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_HISI_SEC) += hisi_sec.o
+hisi_sec-y = sec_algs.o sec_drv.o
diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c
new file mode 100644
index 000000000..490e15423
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec/sec_algs.c
@@ -0,0 +1,1122 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2016-2017 HiSilicon Limited. */
+#include <linux/crypto.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+
+#include <crypto/aes.h>
+#include <crypto/algapi.h>
+#include <crypto/internal/des.h>
+#include <crypto/skcipher.h>
+#include <crypto/xts.h>
+#include <crypto/internal/skcipher.h>
+
+#include "sec_drv.h"
+
+#define SEC_MAX_CIPHER_KEY 64
+#define SEC_REQ_LIMIT SZ_32M
+
+struct sec_c_alg_cfg {
+ unsigned c_alg : 3;
+ unsigned c_mode : 3;
+ unsigned key_len : 2;
+ unsigned c_width : 2;
+};
+
+static const struct sec_c_alg_cfg sec_c_alg_cfgs[] = {
+ [SEC_C_DES_ECB_64] = {
+ .c_alg = SEC_C_ALG_DES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_DES,
+ },
+ [SEC_C_DES_CBC_64] = {
+ .c_alg = SEC_C_ALG_DES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_DES,
+ },
+ [SEC_C_3DES_ECB_192_3KEY] = {
+ .c_alg = SEC_C_ALG_3DES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_3DES_3_KEY,
+ },
+ [SEC_C_3DES_ECB_192_2KEY] = {
+ .c_alg = SEC_C_ALG_3DES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_3DES_2_KEY,
+ },
+ [SEC_C_3DES_CBC_192_3KEY] = {
+ .c_alg = SEC_C_ALG_3DES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_3DES_3_KEY,
+ },
+ [SEC_C_3DES_CBC_192_2KEY] = {
+ .c_alg = SEC_C_ALG_3DES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_3DES_2_KEY,
+ },
+ [SEC_C_AES_ECB_128] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_AES_128,
+ },
+ [SEC_C_AES_ECB_192] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_AES_192,
+ },
+ [SEC_C_AES_ECB_256] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_ECB,
+ .key_len = SEC_KEY_LEN_AES_256,
+ },
+ [SEC_C_AES_CBC_128] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_AES_128,
+ },
+ [SEC_C_AES_CBC_192] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_AES_192,
+ },
+ [SEC_C_AES_CBC_256] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CBC,
+ .key_len = SEC_KEY_LEN_AES_256,
+ },
+ [SEC_C_AES_CTR_128] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CTR,
+ .key_len = SEC_KEY_LEN_AES_128,
+ },
+ [SEC_C_AES_CTR_192] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CTR,
+ .key_len = SEC_KEY_LEN_AES_192,
+ },
+ [SEC_C_AES_CTR_256] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_CTR,
+ .key_len = SEC_KEY_LEN_AES_256,
+ },
+ [SEC_C_AES_XTS_128] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_XTS,
+ .key_len = SEC_KEY_LEN_AES_128,
+ },
+ [SEC_C_AES_XTS_256] = {
+ .c_alg = SEC_C_ALG_AES,
+ .c_mode = SEC_C_MODE_XTS,
+ .key_len = SEC_KEY_LEN_AES_256,
+ },
+ [SEC_C_NULL] = {
+ },
+};
+
+/*
+ * Mutex used to ensure safe operation of reference count of
+ * alg providers
+ */
+static DEFINE_MUTEX(algs_lock);
+static unsigned int active_devs;
+
+static void sec_alg_skcipher_init_template(struct sec_alg_tfm_ctx *ctx,
+ struct sec_bd_info *req,
+ enum sec_cipher_alg alg)
+{
+ const struct sec_c_alg_cfg *cfg = &sec_c_alg_cfgs[alg];
+
+ memset(req, 0, sizeof(*req));
+ req->w0 |= cfg->c_mode << SEC_BD_W0_C_MODE_S;
+ req->w1 |= cfg->c_alg << SEC_BD_W1_C_ALG_S;
+ req->w3 |= cfg->key_len << SEC_BD_W3_C_KEY_LEN_S;
+ req->w0 |= cfg->c_width << SEC_BD_W0_C_WIDTH_S;
+
+ req->cipher_key_addr_lo = lower_32_bits(ctx->pkey);
+ req->cipher_key_addr_hi = upper_32_bits(ctx->pkey);
+}
+
+static void sec_alg_skcipher_init_context(struct crypto_skcipher *atfm,
+ const u8 *key,
+ unsigned int keylen,
+ enum sec_cipher_alg alg)
+{
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(atfm);
+ struct sec_alg_tfm_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ ctx->cipher_alg = alg;
+ memcpy(ctx->key, key, keylen);
+ sec_alg_skcipher_init_template(ctx, &ctx->req_template,
+ ctx->cipher_alg);
+}
+
+static void sec_free_hw_sgl(struct sec_hw_sgl *hw_sgl,
+ dma_addr_t psec_sgl, struct sec_dev_info *info)
+{
+ struct sec_hw_sgl *sgl_current, *sgl_next;
+ dma_addr_t sgl_next_dma;
+
+ sgl_current = hw_sgl;
+ while (sgl_current) {
+ sgl_next = sgl_current->next;
+ sgl_next_dma = sgl_current->next_sgl;
+
+ dma_pool_free(info->hw_sgl_pool, sgl_current, psec_sgl);
+
+ sgl_current = sgl_next;
+ psec_sgl = sgl_next_dma;
+ }
+}
+
+static int sec_alloc_and_fill_hw_sgl(struct sec_hw_sgl **sec_sgl,
+ dma_addr_t *psec_sgl,
+ struct scatterlist *sgl,
+ int count,
+ struct sec_dev_info *info,
+ gfp_t gfp)
+{
+ struct sec_hw_sgl *sgl_current = NULL;
+ struct sec_hw_sgl *sgl_next;
+ dma_addr_t sgl_next_dma;
+ struct scatterlist *sg;
+ int ret, sge_index, i;
+
+ if (!count)
+ return -EINVAL;
+
+ for_each_sg(sgl, sg, count, i) {
+ sge_index = i % SEC_MAX_SGE_NUM;
+ if (sge_index == 0) {
+ sgl_next = dma_pool_zalloc(info->hw_sgl_pool,
+ gfp, &sgl_next_dma);
+ if (!sgl_next) {
+ ret = -ENOMEM;
+ goto err_free_hw_sgls;
+ }
+
+ if (!sgl_current) { /* First one */
+ *psec_sgl = sgl_next_dma;
+ *sec_sgl = sgl_next;
+ } else { /* Chained */
+ sgl_current->entry_sum_in_sgl = SEC_MAX_SGE_NUM;
+ sgl_current->next_sgl = sgl_next_dma;
+ sgl_current->next = sgl_next;
+ }
+ sgl_current = sgl_next;
+ }
+ sgl_current->sge_entries[sge_index].buf = sg_dma_address(sg);
+ sgl_current->sge_entries[sge_index].len = sg_dma_len(sg);
+ sgl_current->data_bytes_in_sgl += sg_dma_len(sg);
+ }
+ sgl_current->entry_sum_in_sgl = count % SEC_MAX_SGE_NUM;
+ sgl_current->next_sgl = 0;
+ (*sec_sgl)->entry_sum_in_chain = count;
+
+ return 0;
+
+err_free_hw_sgls:
+ sec_free_hw_sgl(*sec_sgl, *psec_sgl, info);
+ *psec_sgl = 0;
+
+ return ret;
+}
+
+static int sec_alg_skcipher_setkey(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen,
+ enum sec_cipher_alg alg)
+{
+ struct sec_alg_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct device *dev = ctx->queue->dev_info->dev;
+
+ mutex_lock(&ctx->lock);
+ if (ctx->key) {
+ /* rekeying */
+ memset(ctx->key, 0, SEC_MAX_CIPHER_KEY);
+ } else {
+ /* new key */
+ ctx->key = dma_alloc_coherent(dev, SEC_MAX_CIPHER_KEY,
+ &ctx->pkey, GFP_KERNEL);
+ if (!ctx->key) {
+ mutex_unlock(&ctx->lock);
+ return -ENOMEM;
+ }
+ }
+ mutex_unlock(&ctx->lock);
+ sec_alg_skcipher_init_context(tfm, key, keylen, alg);
+
+ return 0;
+}
+
+static int sec_alg_skcipher_setkey_aes_ecb(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ enum sec_cipher_alg alg;
+
+ switch (keylen) {
+ case AES_KEYSIZE_128:
+ alg = SEC_C_AES_ECB_128;
+ break;
+ case AES_KEYSIZE_192:
+ alg = SEC_C_AES_ECB_192;
+ break;
+ case AES_KEYSIZE_256:
+ alg = SEC_C_AES_ECB_256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sec_alg_skcipher_setkey(tfm, key, keylen, alg);
+}
+
+static int sec_alg_skcipher_setkey_aes_cbc(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ enum sec_cipher_alg alg;
+
+ switch (keylen) {
+ case AES_KEYSIZE_128:
+ alg = SEC_C_AES_CBC_128;
+ break;
+ case AES_KEYSIZE_192:
+ alg = SEC_C_AES_CBC_192;
+ break;
+ case AES_KEYSIZE_256:
+ alg = SEC_C_AES_CBC_256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sec_alg_skcipher_setkey(tfm, key, keylen, alg);
+}
+
+static int sec_alg_skcipher_setkey_aes_ctr(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ enum sec_cipher_alg alg;
+
+ switch (keylen) {
+ case AES_KEYSIZE_128:
+ alg = SEC_C_AES_CTR_128;
+ break;
+ case AES_KEYSIZE_192:
+ alg = SEC_C_AES_CTR_192;
+ break;
+ case AES_KEYSIZE_256:
+ alg = SEC_C_AES_CTR_256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sec_alg_skcipher_setkey(tfm, key, keylen, alg);
+}
+
+static int sec_alg_skcipher_setkey_aes_xts(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ enum sec_cipher_alg alg;
+ int ret;
+
+ ret = xts_verify_key(tfm, key, keylen);
+ if (ret)
+ return ret;
+
+ switch (keylen) {
+ case AES_KEYSIZE_128 * 2:
+ alg = SEC_C_AES_XTS_128;
+ break;
+ case AES_KEYSIZE_256 * 2:
+ alg = SEC_C_AES_XTS_256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return sec_alg_skcipher_setkey(tfm, key, keylen, alg);
+}
+
+static int sec_alg_skcipher_setkey_des_ecb(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return verify_skcipher_des_key(tfm, key) ?:
+ sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_DES_ECB_64);
+}
+
+static int sec_alg_skcipher_setkey_des_cbc(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return verify_skcipher_des_key(tfm, key) ?:
+ sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_DES_CBC_64);
+}
+
+static int sec_alg_skcipher_setkey_3des_ecb(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return verify_skcipher_des3_key(tfm, key) ?:
+ sec_alg_skcipher_setkey(tfm, key, keylen,
+ SEC_C_3DES_ECB_192_3KEY);
+}
+
+static int sec_alg_skcipher_setkey_3des_cbc(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return verify_skcipher_des3_key(tfm, key) ?:
+ sec_alg_skcipher_setkey(tfm, key, keylen,
+ SEC_C_3DES_CBC_192_3KEY);
+}
+
+static void sec_alg_free_el(struct sec_request_el *el,
+ struct sec_dev_info *info)
+{
+ sec_free_hw_sgl(el->out, el->dma_out, info);
+ sec_free_hw_sgl(el->in, el->dma_in, info);
+ kfree(el->sgl_in);
+ kfree(el->sgl_out);
+ kfree(el);
+}
+
+/* queuelock must be held */
+static int sec_send_request(struct sec_request *sec_req, struct sec_queue *queue)
+{
+ struct sec_request_el *el, *temp;
+ int ret = 0;
+
+ mutex_lock(&sec_req->lock);
+ list_for_each_entry_safe(el, temp, &sec_req->elements, head) {
+ /*
+ * Add to hardware queue only under following circumstances
+ * 1) Software and hardware queue empty so no chain dependencies
+ * 2) No dependencies as new IV - (check software queue empty
+ * to maintain order)
+ * 3) No dependencies because the mode does no chaining.
+ *
+ * In other cases first insert onto the software queue which
+ * is then emptied as requests complete
+ */
+ if (!queue->havesoftqueue ||
+ (kfifo_is_empty(&queue->softqueue) &&
+ sec_queue_empty(queue))) {
+ ret = sec_queue_send(queue, &el->req, sec_req);
+ if (ret == -EAGAIN) {
+ /* Wait unti we can send then try again */
+ /* DEAD if here - should not happen */
+ ret = -EBUSY;
+ goto err_unlock;
+ }
+ } else {
+ kfifo_put(&queue->softqueue, el);
+ }
+ }
+err_unlock:
+ mutex_unlock(&sec_req->lock);
+
+ return ret;
+}
+
+static void sec_skcipher_alg_callback(struct sec_bd_info *sec_resp,
+ struct crypto_async_request *req_base)
+{
+ struct skcipher_request *skreq = container_of(req_base,
+ struct skcipher_request,
+ base);
+ struct sec_request *sec_req = skcipher_request_ctx(skreq);
+ struct sec_request *backlog_req;
+ struct sec_request_el *sec_req_el, *nextrequest;
+ struct sec_alg_tfm_ctx *ctx = sec_req->tfm_ctx;
+ struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(skreq);
+ struct device *dev = ctx->queue->dev_info->dev;
+ int icv_or_skey_en, ret;
+ bool done;
+
+ sec_req_el = list_first_entry(&sec_req->elements, struct sec_request_el,
+ head);
+ icv_or_skey_en = (sec_resp->w0 & SEC_BD_W0_ICV_OR_SKEY_EN_M) >>
+ SEC_BD_W0_ICV_OR_SKEY_EN_S;
+ if (sec_resp->w1 & SEC_BD_W1_BD_INVALID || icv_or_skey_en == 3) {
+ dev_err(dev, "Got an invalid answer %lu %d\n",
+ sec_resp->w1 & SEC_BD_W1_BD_INVALID,
+ icv_or_skey_en);
+ sec_req->err = -EINVAL;
+ /*
+ * We need to muddle on to avoid getting stuck with elements
+ * on the queue. Error will be reported so requester so
+ * it should be able to handle appropriately.
+ */
+ }
+
+ spin_lock_bh(&ctx->queue->queuelock);
+ /* Put the IV in place for chained cases */
+ switch (ctx->cipher_alg) {
+ case SEC_C_AES_CBC_128:
+ case SEC_C_AES_CBC_192:
+ case SEC_C_AES_CBC_256:
+ if (sec_req_el->req.w0 & SEC_BD_W0_DE)
+ sg_pcopy_to_buffer(sec_req_el->sgl_out,
+ sg_nents(sec_req_el->sgl_out),
+ skreq->iv,
+ crypto_skcipher_ivsize(atfm),
+ sec_req_el->el_length -
+ crypto_skcipher_ivsize(atfm));
+ else
+ sg_pcopy_to_buffer(sec_req_el->sgl_in,
+ sg_nents(sec_req_el->sgl_in),
+ skreq->iv,
+ crypto_skcipher_ivsize(atfm),
+ sec_req_el->el_length -
+ crypto_skcipher_ivsize(atfm));
+ /* No need to sync to the device as coherent DMA */
+ break;
+ case SEC_C_AES_CTR_128:
+ case SEC_C_AES_CTR_192:
+ case SEC_C_AES_CTR_256:
+ crypto_inc(skreq->iv, 16);
+ break;
+ default:
+ /* Do not update */
+ break;
+ }
+
+ if (ctx->queue->havesoftqueue &&
+ !kfifo_is_empty(&ctx->queue->softqueue) &&
+ sec_queue_empty(ctx->queue)) {
+ ret = kfifo_get(&ctx->queue->softqueue, &nextrequest);
+ if (ret <= 0)
+ dev_err(dev,
+ "Error getting next element from kfifo %d\n",
+ ret);
+ else
+ /* We know there is space so this cannot fail */
+ sec_queue_send(ctx->queue, &nextrequest->req,
+ nextrequest->sec_req);
+ } else if (!list_empty(&ctx->backlog)) {
+ /* Need to verify there is room first */
+ backlog_req = list_first_entry(&ctx->backlog,
+ typeof(*backlog_req),
+ backlog_head);
+ if (sec_queue_can_enqueue(ctx->queue,
+ backlog_req->num_elements) ||
+ (ctx->queue->havesoftqueue &&
+ kfifo_avail(&ctx->queue->softqueue) >
+ backlog_req->num_elements)) {
+ sec_send_request(backlog_req, ctx->queue);
+ backlog_req->req_base->complete(backlog_req->req_base,
+ -EINPROGRESS);
+ list_del(&backlog_req->backlog_head);
+ }
+ }
+ spin_unlock_bh(&ctx->queue->queuelock);
+
+ mutex_lock(&sec_req->lock);
+ list_del(&sec_req_el->head);
+ mutex_unlock(&sec_req->lock);
+ sec_alg_free_el(sec_req_el, ctx->queue->dev_info);
+
+ /*
+ * Request is done.
+ * The dance is needed as the lock is freed in the completion
+ */
+ mutex_lock(&sec_req->lock);
+ done = list_empty(&sec_req->elements);
+ mutex_unlock(&sec_req->lock);
+ if (done) {
+ if (crypto_skcipher_ivsize(atfm)) {
+ dma_unmap_single(dev, sec_req->dma_iv,
+ crypto_skcipher_ivsize(atfm),
+ DMA_TO_DEVICE);
+ }
+ dma_unmap_sg(dev, skreq->src, sec_req->len_in,
+ DMA_BIDIRECTIONAL);
+ if (skreq->src != skreq->dst)
+ dma_unmap_sg(dev, skreq->dst, sec_req->len_out,
+ DMA_BIDIRECTIONAL);
+ skreq->base.complete(&skreq->base, sec_req->err);
+ }
+}
+
+void sec_alg_callback(struct sec_bd_info *resp, void *shadow)
+{
+ struct sec_request *sec_req = shadow;
+
+ sec_req->cb(resp, sec_req->req_base);
+}
+
+static int sec_alg_alloc_and_calc_split_sizes(int length, size_t **split_sizes,
+ int *steps, gfp_t gfp)
+{
+ size_t *sizes;
+ int i;
+
+ /* Split into suitable sized blocks */
+ *steps = roundup(length, SEC_REQ_LIMIT) / SEC_REQ_LIMIT;
+ sizes = kcalloc(*steps, sizeof(*sizes), gfp);
+ if (!sizes)
+ return -ENOMEM;
+
+ for (i = 0; i < *steps - 1; i++)
+ sizes[i] = SEC_REQ_LIMIT;
+ sizes[*steps - 1] = length - SEC_REQ_LIMIT * (*steps - 1);
+ *split_sizes = sizes;
+
+ return 0;
+}
+
+static int sec_map_and_split_sg(struct scatterlist *sgl, size_t *split_sizes,
+ int steps, struct scatterlist ***splits,
+ int **splits_nents,
+ int sgl_len_in,
+ struct device *dev, gfp_t gfp)
+{
+ int ret, count;
+
+ count = dma_map_sg(dev, sgl, sgl_len_in, DMA_BIDIRECTIONAL);
+ if (!count)
+ return -EINVAL;
+
+ *splits = kcalloc(steps, sizeof(struct scatterlist *), gfp);
+ if (!*splits) {
+ ret = -ENOMEM;
+ goto err_unmap_sg;
+ }
+ *splits_nents = kcalloc(steps, sizeof(int), gfp);
+ if (!*splits_nents) {
+ ret = -ENOMEM;
+ goto err_free_splits;
+ }
+
+ /* output the scatter list before and after this */
+ ret = sg_split(sgl, count, 0, steps, split_sizes,
+ *splits, *splits_nents, gfp);
+ if (ret) {
+ ret = -ENOMEM;
+ goto err_free_splits_nents;
+ }
+
+ return 0;
+
+err_free_splits_nents:
+ kfree(*splits_nents);
+err_free_splits:
+ kfree(*splits);
+err_unmap_sg:
+ dma_unmap_sg(dev, sgl, sgl_len_in, DMA_BIDIRECTIONAL);
+
+ return ret;
+}
+
+/*
+ * Reverses the sec_map_and_split_sg call for messages not yet added to
+ * the queues.
+ */
+static void sec_unmap_sg_on_err(struct scatterlist *sgl, int steps,
+ struct scatterlist **splits, int *splits_nents,
+ int sgl_len_in, struct device *dev)
+{
+ int i;
+
+ for (i = 0; i < steps; i++)
+ kfree(splits[i]);
+ kfree(splits_nents);
+ kfree(splits);
+
+ dma_unmap_sg(dev, sgl, sgl_len_in, DMA_BIDIRECTIONAL);
+}
+
+static struct sec_request_el
+*sec_alg_alloc_and_fill_el(struct sec_bd_info *template, int encrypt,
+ int el_size, bool different_dest,
+ struct scatterlist *sgl_in, int n_ents_in,
+ struct scatterlist *sgl_out, int n_ents_out,
+ struct sec_dev_info *info, gfp_t gfp)
+{
+ struct sec_request_el *el;
+ struct sec_bd_info *req;
+ int ret;
+
+ el = kzalloc(sizeof(*el), gfp);
+ if (!el)
+ return ERR_PTR(-ENOMEM);
+ el->el_length = el_size;
+ req = &el->req;
+ memcpy(req, template, sizeof(*req));
+
+ req->w0 &= ~SEC_BD_W0_CIPHER_M;
+ if (encrypt)
+ req->w0 |= SEC_CIPHER_ENCRYPT << SEC_BD_W0_CIPHER_S;
+ else
+ req->w0 |= SEC_CIPHER_DECRYPT << SEC_BD_W0_CIPHER_S;
+
+ req->w0 &= ~SEC_BD_W0_C_GRAN_SIZE_19_16_M;
+ req->w0 |= ((el_size >> 16) << SEC_BD_W0_C_GRAN_SIZE_19_16_S) &
+ SEC_BD_W0_C_GRAN_SIZE_19_16_M;
+
+ req->w0 &= ~SEC_BD_W0_C_GRAN_SIZE_21_20_M;
+ req->w0 |= ((el_size >> 20) << SEC_BD_W0_C_GRAN_SIZE_21_20_S) &
+ SEC_BD_W0_C_GRAN_SIZE_21_20_M;
+
+ /* Writing whole u32 so no need to take care of masking */
+ req->w2 = ((1 << SEC_BD_W2_GRAN_NUM_S) & SEC_BD_W2_GRAN_NUM_M) |
+ ((el_size << SEC_BD_W2_C_GRAN_SIZE_15_0_S) &
+ SEC_BD_W2_C_GRAN_SIZE_15_0_M);
+
+ req->w3 &= ~SEC_BD_W3_CIPHER_LEN_OFFSET_M;
+ req->w1 |= SEC_BD_W1_ADDR_TYPE;
+
+ el->sgl_in = sgl_in;
+
+ ret = sec_alloc_and_fill_hw_sgl(&el->in, &el->dma_in, el->sgl_in,
+ n_ents_in, info, gfp);
+ if (ret)
+ goto err_free_el;
+
+ req->data_addr_lo = lower_32_bits(el->dma_in);
+ req->data_addr_hi = upper_32_bits(el->dma_in);
+
+ if (different_dest) {
+ el->sgl_out = sgl_out;
+ ret = sec_alloc_and_fill_hw_sgl(&el->out, &el->dma_out,
+ el->sgl_out,
+ n_ents_out, info, gfp);
+ if (ret)
+ goto err_free_hw_sgl_in;
+
+ req->w0 |= SEC_BD_W0_DE;
+ req->cipher_destin_addr_lo = lower_32_bits(el->dma_out);
+ req->cipher_destin_addr_hi = upper_32_bits(el->dma_out);
+
+ } else {
+ req->w0 &= ~SEC_BD_W0_DE;
+ req->cipher_destin_addr_lo = lower_32_bits(el->dma_in);
+ req->cipher_destin_addr_hi = upper_32_bits(el->dma_in);
+ }
+
+ return el;
+
+err_free_hw_sgl_in:
+ sec_free_hw_sgl(el->in, el->dma_in, info);
+err_free_el:
+ kfree(el);
+
+ return ERR_PTR(ret);
+}
+
+static int sec_alg_skcipher_crypto(struct skcipher_request *skreq,
+ bool encrypt)
+{
+ struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(skreq);
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(atfm);
+ struct sec_alg_tfm_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct sec_queue *queue = ctx->queue;
+ struct sec_request *sec_req = skcipher_request_ctx(skreq);
+ struct sec_dev_info *info = queue->dev_info;
+ int i, ret, steps;
+ size_t *split_sizes;
+ struct scatterlist **splits_in;
+ struct scatterlist **splits_out = NULL;
+ int *splits_in_nents;
+ int *splits_out_nents = NULL;
+ struct sec_request_el *el, *temp;
+ bool split = skreq->src != skreq->dst;
+ gfp_t gfp = skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC;
+
+ mutex_init(&sec_req->lock);
+ sec_req->req_base = &skreq->base;
+ sec_req->err = 0;
+ /* SGL mapping out here to allow us to break it up as necessary */
+ sec_req->len_in = sg_nents(skreq->src);
+
+ ret = sec_alg_alloc_and_calc_split_sizes(skreq->cryptlen, &split_sizes,
+ &steps, gfp);
+ if (ret)
+ return ret;
+ sec_req->num_elements = steps;
+ ret = sec_map_and_split_sg(skreq->src, split_sizes, steps, &splits_in,
+ &splits_in_nents, sec_req->len_in,
+ info->dev, gfp);
+ if (ret)
+ goto err_free_split_sizes;
+
+ if (split) {
+ sec_req->len_out = sg_nents(skreq->dst);
+ ret = sec_map_and_split_sg(skreq->dst, split_sizes, steps,
+ &splits_out, &splits_out_nents,
+ sec_req->len_out, info->dev, gfp);
+ if (ret)
+ goto err_unmap_in_sg;
+ }
+ /* Shared info stored in seq_req - applies to all BDs */
+ sec_req->tfm_ctx = ctx;
+ sec_req->cb = sec_skcipher_alg_callback;
+ INIT_LIST_HEAD(&sec_req->elements);
+
+ /*
+ * Future optimization.
+ * In the chaining case we can't use a dma pool bounce buffer
+ * but in the case where we know there is no chaining we can
+ */
+ if (crypto_skcipher_ivsize(atfm)) {
+ sec_req->dma_iv = dma_map_single(info->dev, skreq->iv,
+ crypto_skcipher_ivsize(atfm),
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(info->dev, sec_req->dma_iv)) {
+ ret = -ENOMEM;
+ goto err_unmap_out_sg;
+ }
+ }
+
+ /* Set them all up then queue - cleaner error handling. */
+ for (i = 0; i < steps; i++) {
+ el = sec_alg_alloc_and_fill_el(&ctx->req_template,
+ encrypt ? 1 : 0,
+ split_sizes[i],
+ skreq->src != skreq->dst,
+ splits_in[i], splits_in_nents[i],
+ split ? splits_out[i] : NULL,
+ split ? splits_out_nents[i] : 0,
+ info, gfp);
+ if (IS_ERR(el)) {
+ ret = PTR_ERR(el);
+ goto err_free_elements;
+ }
+ el->req.cipher_iv_addr_lo = lower_32_bits(sec_req->dma_iv);
+ el->req.cipher_iv_addr_hi = upper_32_bits(sec_req->dma_iv);
+ el->sec_req = sec_req;
+ list_add_tail(&el->head, &sec_req->elements);
+ }
+
+ /*
+ * Only attempt to queue if the whole lot can fit in the queue -
+ * we can't successfully cleanup after a partial queing so this
+ * must succeed or fail atomically.
+ *
+ * Big hammer test of both software and hardware queues - could be
+ * more refined but this is unlikely to happen so no need.
+ */
+
+ /* Grab a big lock for a long time to avoid concurrency issues */
+ spin_lock_bh(&queue->queuelock);
+
+ /*
+ * Can go on to queue if we have space in either:
+ * 1) The hardware queue and no software queue
+ * 2) The software queue
+ * AND there is nothing in the backlog. If there is backlog we
+ * have to only queue to the backlog queue and return busy.
+ */
+ if ((!sec_queue_can_enqueue(queue, steps) &&
+ (!queue->havesoftqueue ||
+ kfifo_avail(&queue->softqueue) > steps)) ||
+ !list_empty(&ctx->backlog)) {
+ ret = -EBUSY;
+ if ((skreq->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
+ list_add_tail(&sec_req->backlog_head, &ctx->backlog);
+ spin_unlock_bh(&queue->queuelock);
+ goto out;
+ }
+
+ spin_unlock_bh(&queue->queuelock);
+ goto err_free_elements;
+ }
+ ret = sec_send_request(sec_req, queue);
+ spin_unlock_bh(&queue->queuelock);
+ if (ret)
+ goto err_free_elements;
+
+ ret = -EINPROGRESS;
+out:
+ /* Cleanup - all elements in pointer arrays have been copied */
+ kfree(splits_in_nents);
+ kfree(splits_in);
+ kfree(splits_out_nents);
+ kfree(splits_out);
+ kfree(split_sizes);
+ return ret;
+
+err_free_elements:
+ list_for_each_entry_safe(el, temp, &sec_req->elements, head) {
+ list_del(&el->head);
+ sec_alg_free_el(el, info);
+ }
+ if (crypto_skcipher_ivsize(atfm))
+ dma_unmap_single(info->dev, sec_req->dma_iv,
+ crypto_skcipher_ivsize(atfm),
+ DMA_BIDIRECTIONAL);
+err_unmap_out_sg:
+ if (split)
+ sec_unmap_sg_on_err(skreq->dst, steps, splits_out,
+ splits_out_nents, sec_req->len_out,
+ info->dev);
+err_unmap_in_sg:
+ sec_unmap_sg_on_err(skreq->src, steps, splits_in, splits_in_nents,
+ sec_req->len_in, info->dev);
+err_free_split_sizes:
+ kfree(split_sizes);
+
+ return ret;
+}
+
+static int sec_alg_skcipher_encrypt(struct skcipher_request *req)
+{
+ return sec_alg_skcipher_crypto(req, true);
+}
+
+static int sec_alg_skcipher_decrypt(struct skcipher_request *req)
+{
+ return sec_alg_skcipher_crypto(req, false);
+}
+
+static int sec_alg_skcipher_init(struct crypto_skcipher *tfm)
+{
+ struct sec_alg_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ mutex_init(&ctx->lock);
+ INIT_LIST_HEAD(&ctx->backlog);
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct sec_request));
+
+ ctx->queue = sec_queue_alloc_start_safe();
+ if (IS_ERR(ctx->queue))
+ return PTR_ERR(ctx->queue);
+
+ spin_lock_init(&ctx->queue->queuelock);
+ ctx->queue->havesoftqueue = false;
+
+ return 0;
+}
+
+static void sec_alg_skcipher_exit(struct crypto_skcipher *tfm)
+{
+ struct sec_alg_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct device *dev = ctx->queue->dev_info->dev;
+
+ if (ctx->key) {
+ memzero_explicit(ctx->key, SEC_MAX_CIPHER_KEY);
+ dma_free_coherent(dev, SEC_MAX_CIPHER_KEY, ctx->key,
+ ctx->pkey);
+ }
+ sec_queue_stop_release(ctx->queue);
+}
+
+static int sec_alg_skcipher_init_with_queue(struct crypto_skcipher *tfm)
+{
+ struct sec_alg_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int ret;
+
+ ret = sec_alg_skcipher_init(tfm);
+ if (ret)
+ return ret;
+
+ INIT_KFIFO(ctx->queue->softqueue);
+ ret = kfifo_alloc(&ctx->queue->softqueue, 512, GFP_KERNEL);
+ if (ret) {
+ sec_alg_skcipher_exit(tfm);
+ return ret;
+ }
+ ctx->queue->havesoftqueue = true;
+
+ return 0;
+}
+
+static void sec_alg_skcipher_exit_with_queue(struct crypto_skcipher *tfm)
+{
+ struct sec_alg_tfm_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ kfifo_free(&ctx->queue->softqueue);
+ sec_alg_skcipher_exit(tfm);
+}
+
+static struct skcipher_alg sec_algs[] = {
+ {
+ .base = {
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "hisi_sec_aes_ecb",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init,
+ .exit = sec_alg_skcipher_exit,
+ .setkey = sec_alg_skcipher_setkey_aes_ecb,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = 0,
+ }, {
+ .base = {
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "hisi_sec_aes_cbc",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init_with_queue,
+ .exit = sec_alg_skcipher_exit_with_queue,
+ .setkey = sec_alg_skcipher_setkey_aes_cbc,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ }, {
+ .base = {
+ .cra_name = "ctr(aes)",
+ .cra_driver_name = "hisi_sec_aes_ctr",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init_with_queue,
+ .exit = sec_alg_skcipher_exit_with_queue,
+ .setkey = sec_alg_skcipher_setkey_aes_ctr,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ }, {
+ .base = {
+ .cra_name = "xts(aes)",
+ .cra_driver_name = "hisi_sec_aes_xts",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init,
+ .exit = sec_alg_skcipher_exit,
+ .setkey = sec_alg_skcipher_setkey_aes_xts,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ }, {
+ /* Unable to find any test vectors so untested */
+ .base = {
+ .cra_name = "ecb(des)",
+ .cra_driver_name = "hisi_sec_des_ecb",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init,
+ .exit = sec_alg_skcipher_exit,
+ .setkey = sec_alg_skcipher_setkey_des_ecb,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = 0,
+ }, {
+ .base = {
+ .cra_name = "cbc(des)",
+ .cra_driver_name = "hisi_sec_des_cbc",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init_with_queue,
+ .exit = sec_alg_skcipher_exit_with_queue,
+ .setkey = sec_alg_skcipher_setkey_des_cbc,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ }, {
+ .base = {
+ .cra_name = "cbc(des3_ede)",
+ .cra_driver_name = "hisi_sec_3des_cbc",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init_with_queue,
+ .exit = sec_alg_skcipher_exit_with_queue,
+ .setkey = sec_alg_skcipher_setkey_3des_cbc,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ }, {
+ .base = {
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "hisi_sec_3des_ecb",
+ .cra_priority = 4001,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sec_alg_tfm_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .init = sec_alg_skcipher_init,
+ .exit = sec_alg_skcipher_exit,
+ .setkey = sec_alg_skcipher_setkey_3des_ecb,
+ .decrypt = sec_alg_skcipher_decrypt,
+ .encrypt = sec_alg_skcipher_encrypt,
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = 0,
+ }
+};
+
+int sec_algs_register(void)
+{
+ int ret = 0;
+
+ mutex_lock(&algs_lock);
+ if (++active_devs != 1)
+ goto unlock;
+
+ ret = crypto_register_skciphers(sec_algs, ARRAY_SIZE(sec_algs));
+ if (ret)
+ --active_devs;
+unlock:
+ mutex_unlock(&algs_lock);
+
+ return ret;
+}
+
+void sec_algs_unregister(void)
+{
+ mutex_lock(&algs_lock);
+ if (--active_devs != 0)
+ goto unlock;
+ crypto_unregister_skciphers(sec_algs, ARRAY_SIZE(sec_algs));
+
+unlock:
+ mutex_unlock(&algs_lock);
+}
diff --git a/drivers/crypto/hisilicon/sec/sec_drv.c b/drivers/crypto/hisilicon/sec/sec_drv.c
new file mode 100644
index 000000000..e75851326
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec/sec_drv.c
@@ -0,0 +1,1321 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for the HiSilicon SEC units found on Hip06 Hip07
+ *
+ * Copyright (c) 2016-2017 HiSilicon Limited.
+ */
+#include <linux/acpi.h>
+#include <linux/atomic.h>
+#include <linux/delay.h>
+#include <linux/dma-direction.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+#include <linux/io.h>
+#include <linux/iommu.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqreturn.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "sec_drv.h"
+
+#define SEC_QUEUE_AR_FROCE_ALLOC 0
+#define SEC_QUEUE_AR_FROCE_NOALLOC 1
+#define SEC_QUEUE_AR_FROCE_DIS 2
+
+#define SEC_QUEUE_AW_FROCE_ALLOC 0
+#define SEC_QUEUE_AW_FROCE_NOALLOC 1
+#define SEC_QUEUE_AW_FROCE_DIS 2
+
+/* SEC_ALGSUB registers */
+#define SEC_ALGSUB_CLK_EN_REG 0x03b8
+#define SEC_ALGSUB_CLK_DIS_REG 0x03bc
+#define SEC_ALGSUB_CLK_ST_REG 0x535c
+#define SEC_ALGSUB_RST_REQ_REG 0x0aa8
+#define SEC_ALGSUB_RST_DREQ_REG 0x0aac
+#define SEC_ALGSUB_RST_ST_REG 0x5a54
+#define SEC_ALGSUB_RST_ST_IS_RST BIT(0)
+
+#define SEC_ALGSUB_BUILD_RST_REQ_REG 0x0ab8
+#define SEC_ALGSUB_BUILD_RST_DREQ_REG 0x0abc
+#define SEC_ALGSUB_BUILD_RST_ST_REG 0x5a5c
+#define SEC_ALGSUB_BUILD_RST_ST_IS_RST BIT(0)
+
+#define SEC_SAA_BASE 0x00001000UL
+
+/* SEC_SAA registers */
+#define SEC_SAA_CTRL_REG(x) ((x) * SEC_SAA_ADDR_SIZE)
+#define SEC_SAA_CTRL_GET_QM_EN BIT(0)
+
+#define SEC_ST_INTMSK1_REG 0x0200
+#define SEC_ST_RINT1_REG 0x0400
+#define SEC_ST_INTSTS1_REG 0x0600
+#define SEC_BD_MNG_STAT_REG 0x0800
+#define SEC_PARSING_STAT_REG 0x0804
+#define SEC_LOAD_TIME_OUT_CNT_REG 0x0808
+#define SEC_CORE_WORK_TIME_OUT_CNT_REG 0x080c
+#define SEC_BACK_TIME_OUT_CNT_REG 0x0810
+#define SEC_BD1_PARSING_RD_TIME_OUT_CNT_REG 0x0814
+#define SEC_BD1_PARSING_WR_TIME_OUT_CNT_REG 0x0818
+#define SEC_BD2_PARSING_RD_TIME_OUT_CNT_REG 0x081c
+#define SEC_BD2_PARSING_WR_TIME_OUT_CNT_REG 0x0820
+#define SEC_SAA_ACC_REG 0x083c
+#define SEC_BD_NUM_CNT_IN_SEC_REG 0x0858
+#define SEC_LOAD_WORK_TIME_CNT_REG 0x0860
+#define SEC_CORE_WORK_WORK_TIME_CNT_REG 0x0864
+#define SEC_BACK_WORK_TIME_CNT_REG 0x0868
+#define SEC_SAA_IDLE_TIME_CNT_REG 0x086c
+#define SEC_SAA_CLK_CNT_REG 0x0870
+
+/* SEC_COMMON registers */
+#define SEC_CLK_EN_REG 0x0000
+#define SEC_CTRL_REG 0x0004
+
+#define SEC_COMMON_CNT_CLR_CE_REG 0x0008
+#define SEC_COMMON_CNT_CLR_CE_CLEAR BIT(0)
+#define SEC_COMMON_CNT_CLR_CE_SNAP_EN BIT(1)
+
+#define SEC_SECURE_CTRL_REG 0x000c
+#define SEC_AXI_CACHE_CFG_REG 0x0010
+#define SEC_AXI_QOS_CFG_REG 0x0014
+#define SEC_IPV4_MASK_TABLE_REG 0x0020
+#define SEC_IPV6_MASK_TABLE_X_REG(x) (0x0024 + (x) * 4)
+#define SEC_FSM_MAX_CNT_REG 0x0064
+
+#define SEC_CTRL2_REG 0x0068
+#define SEC_CTRL2_DATA_AXI_RD_OTSD_CFG_M GENMASK(3, 0)
+#define SEC_CTRL2_DATA_AXI_RD_OTSD_CFG_S 0
+#define SEC_CTRL2_DATA_AXI_WR_OTSD_CFG_M GENMASK(6, 4)
+#define SEC_CTRL2_DATA_AXI_WR_OTSD_CFG_S 4
+#define SEC_CTRL2_CLK_GATE_EN BIT(7)
+#define SEC_CTRL2_ENDIAN_BD BIT(8)
+#define SEC_CTRL2_ENDIAN_BD_TYPE BIT(9)
+
+#define SEC_CNT_PRECISION_CFG_REG 0x006c
+#define SEC_DEBUG_BD_CFG_REG 0x0070
+#define SEC_DEBUG_BD_CFG_WB_NORMAL BIT(0)
+#define SEC_DEBUG_BD_CFG_WB_EN BIT(1)
+
+#define SEC_Q_SIGHT_SEL 0x0074
+#define SEC_Q_SIGHT_HIS_CLR 0x0078
+#define SEC_Q_VMID_CFG_REG(q) (0x0100 + (q) * 4)
+#define SEC_Q_WEIGHT_CFG_REG(q) (0x200 + (q) * 4)
+#define SEC_STAT_CLR_REG 0x0a00
+#define SEC_SAA_IDLE_CNT_CLR_REG 0x0a04
+#define SEC_QM_CPL_Q_IDBUF_DFX_CFG_REG 0x0b00
+#define SEC_QM_CPL_Q_IDBUF_DFX_RESULT_REG 0x0b04
+#define SEC_QM_BD_DFX_CFG_REG 0x0b08
+#define SEC_QM_BD_DFX_RESULT_REG 0x0b0c
+#define SEC_QM_BDID_DFX_RESULT_REG 0x0b10
+#define SEC_QM_BD_DFIFO_STATUS_REG 0x0b14
+#define SEC_QM_BD_DFX_CFG2_REG 0x0b1c
+#define SEC_QM_BD_DFX_RESULT2_REG 0x0b20
+#define SEC_QM_BD_IDFIFO_STATUS_REG 0x0b18
+#define SEC_QM_BD_DFIFO_STATUS2_REG 0x0b28
+#define SEC_QM_BD_IDFIFO_STATUS2_REG 0x0b2c
+
+#define SEC_HASH_IPV4_MASK 0xfff00000
+#define SEC_MAX_SAA_NUM 0xa
+#define SEC_SAA_ADDR_SIZE 0x1000
+
+#define SEC_Q_INIT_REG 0x0
+#define SEC_Q_INIT_WO_STAT_CLEAR 0x2
+#define SEC_Q_INIT_AND_STAT_CLEAR 0x3
+
+#define SEC_Q_CFG_REG 0x8
+#define SEC_Q_CFG_REORDER BIT(0)
+
+#define SEC_Q_PROC_NUM_CFG_REG 0x10
+#define SEC_QUEUE_ENB_REG 0x18
+
+#define SEC_Q_DEPTH_CFG_REG 0x50
+#define SEC_Q_DEPTH_CFG_DEPTH_M GENMASK(11, 0)
+#define SEC_Q_DEPTH_CFG_DEPTH_S 0
+
+#define SEC_Q_BASE_HADDR_REG 0x54
+#define SEC_Q_BASE_LADDR_REG 0x58
+#define SEC_Q_WR_PTR_REG 0x5c
+#define SEC_Q_OUTORDER_BASE_HADDR_REG 0x60
+#define SEC_Q_OUTORDER_BASE_LADDR_REG 0x64
+#define SEC_Q_OUTORDER_RD_PTR_REG 0x68
+#define SEC_Q_OT_TH_REG 0x6c
+
+#define SEC_Q_ARUSER_CFG_REG 0x70
+#define SEC_Q_ARUSER_CFG_FA BIT(0)
+#define SEC_Q_ARUSER_CFG_FNA BIT(1)
+#define SEC_Q_ARUSER_CFG_RINVLD BIT(2)
+#define SEC_Q_ARUSER_CFG_PKG BIT(3)
+
+#define SEC_Q_AWUSER_CFG_REG 0x74
+#define SEC_Q_AWUSER_CFG_FA BIT(0)
+#define SEC_Q_AWUSER_CFG_FNA BIT(1)
+#define SEC_Q_AWUSER_CFG_PKG BIT(2)
+
+#define SEC_Q_ERR_BASE_HADDR_REG 0x7c
+#define SEC_Q_ERR_BASE_LADDR_REG 0x80
+#define SEC_Q_CFG_VF_NUM_REG 0x84
+#define SEC_Q_SOFT_PROC_PTR_REG 0x88
+#define SEC_Q_FAIL_INT_MSK_REG 0x300
+#define SEC_Q_FLOW_INT_MKS_REG 0x304
+#define SEC_Q_FAIL_RINT_REG 0x400
+#define SEC_Q_FLOW_RINT_REG 0x404
+#define SEC_Q_FAIL_INT_STATUS_REG 0x500
+#define SEC_Q_FLOW_INT_STATUS_REG 0x504
+#define SEC_Q_STATUS_REG 0x600
+#define SEC_Q_RD_PTR_REG 0x604
+#define SEC_Q_PRO_PTR_REG 0x608
+#define SEC_Q_OUTORDER_WR_PTR_REG 0x60c
+#define SEC_Q_OT_CNT_STATUS_REG 0x610
+#define SEC_Q_INORDER_BD_NUM_ST_REG 0x650
+#define SEC_Q_INORDER_GET_FLAG_ST_REG 0x654
+#define SEC_Q_INORDER_ADD_FLAG_ST_REG 0x658
+#define SEC_Q_INORDER_TASK_INT_NUM_LEFT_ST_REG 0x65c
+#define SEC_Q_RD_DONE_PTR_REG 0x660
+#define SEC_Q_CPL_Q_BD_NUM_ST_REG 0x700
+#define SEC_Q_CPL_Q_PTR_ST_REG 0x704
+#define SEC_Q_CPL_Q_H_ADDR_ST_REG 0x708
+#define SEC_Q_CPL_Q_L_ADDR_ST_REG 0x70c
+#define SEC_Q_CPL_TASK_INT_NUM_LEFT_ST_REG 0x710
+#define SEC_Q_WRR_ID_CHECK_REG 0x714
+#define SEC_Q_CPLQ_FULL_CHECK_REG 0x718
+#define SEC_Q_SUCCESS_BD_CNT_REG 0x800
+#define SEC_Q_FAIL_BD_CNT_REG 0x804
+#define SEC_Q_GET_BD_CNT_REG 0x808
+#define SEC_Q_IVLD_CNT_REG 0x80c
+#define SEC_Q_BD_PROC_GET_CNT_REG 0x810
+#define SEC_Q_BD_PROC_DONE_CNT_REG 0x814
+#define SEC_Q_LAT_CLR_REG 0x850
+#define SEC_Q_PKT_LAT_MAX_REG 0x854
+#define SEC_Q_PKT_LAT_AVG_REG 0x858
+#define SEC_Q_PKT_LAT_MIN_REG 0x85c
+#define SEC_Q_ID_CLR_CFG_REG 0x900
+#define SEC_Q_1ST_BD_ERR_ID_REG 0x904
+#define SEC_Q_1ST_AUTH_FAIL_ID_REG 0x908
+#define SEC_Q_1ST_RD_ERR_ID_REG 0x90c
+#define SEC_Q_1ST_ECC2_ERR_ID_REG 0x910
+#define SEC_Q_1ST_IVLD_ID_REG 0x914
+#define SEC_Q_1ST_BD_WR_ERR_ID_REG 0x918
+#define SEC_Q_1ST_ERR_BD_WR_ERR_ID_REG 0x91c
+#define SEC_Q_1ST_BD_MAC_WR_ERR_ID_REG 0x920
+
+struct sec_debug_bd_info {
+#define SEC_DEBUG_BD_INFO_SOFT_ERR_CHECK_M GENMASK(22, 0)
+ u32 soft_err_check;
+#define SEC_DEBUG_BD_INFO_HARD_ERR_CHECK_M GENMASK(9, 0)
+ u32 hard_err_check;
+ u32 icv_mac1st_word;
+#define SEC_DEBUG_BD_INFO_GET_ID_M GENMASK(19, 0)
+ u32 sec_get_id;
+ /* W4---W15 */
+ u32 reserv_left[12];
+};
+
+struct sec_out_bd_info {
+#define SEC_OUT_BD_INFO_Q_ID_M GENMASK(11, 0)
+#define SEC_OUT_BD_INFO_ECC_2BIT_ERR BIT(14)
+ u16 data;
+};
+
+#define SEC_MAX_DEVICES 8
+static struct sec_dev_info *sec_devices[SEC_MAX_DEVICES];
+static DEFINE_MUTEX(sec_id_lock);
+
+static int sec_queue_map_io(struct sec_queue *queue)
+{
+ struct device *dev = queue->dev_info->dev;
+ struct resource *res;
+
+ res = platform_get_resource(to_platform_device(dev),
+ IORESOURCE_MEM,
+ 2 + queue->queue_id);
+ if (!res) {
+ dev_err(dev, "Failed to get queue %u memory resource\n",
+ queue->queue_id);
+ return -ENOMEM;
+ }
+ queue->regs = ioremap(res->start, resource_size(res));
+ if (!queue->regs)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void sec_queue_unmap_io(struct sec_queue *queue)
+{
+ iounmap(queue->regs);
+}
+
+static int sec_queue_ar_pkgattr(struct sec_queue *queue, u32 ar_pkg)
+{
+ void __iomem *addr = queue->regs + SEC_Q_ARUSER_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (ar_pkg)
+ regval |= SEC_Q_ARUSER_CFG_PKG;
+ else
+ regval &= ~SEC_Q_ARUSER_CFG_PKG;
+ writel_relaxed(regval, addr);
+
+ return 0;
+}
+
+static int sec_queue_aw_pkgattr(struct sec_queue *queue, u32 aw_pkg)
+{
+ void __iomem *addr = queue->regs + SEC_Q_AWUSER_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ regval |= SEC_Q_AWUSER_CFG_PKG;
+ writel_relaxed(regval, addr);
+
+ return 0;
+}
+
+static int sec_clk_en(struct sec_dev_info *info)
+{
+ void __iomem *base = info->regs[SEC_COMMON];
+ u32 i = 0;
+
+ writel_relaxed(0x7, base + SEC_ALGSUB_CLK_EN_REG);
+ do {
+ usleep_range(1000, 10000);
+ if ((readl_relaxed(base + SEC_ALGSUB_CLK_ST_REG) & 0x7) == 0x7)
+ return 0;
+ i++;
+ } while (i < 10);
+ dev_err(info->dev, "sec clock enable fail!\n");
+
+ return -EIO;
+}
+
+static int sec_clk_dis(struct sec_dev_info *info)
+{
+ void __iomem *base = info->regs[SEC_COMMON];
+ u32 i = 0;
+
+ writel_relaxed(0x7, base + SEC_ALGSUB_CLK_DIS_REG);
+ do {
+ usleep_range(1000, 10000);
+ if ((readl_relaxed(base + SEC_ALGSUB_CLK_ST_REG) & 0x7) == 0)
+ return 0;
+ i++;
+ } while (i < 10);
+ dev_err(info->dev, "sec clock disable fail!\n");
+
+ return -EIO;
+}
+
+static int sec_reset_whole_module(struct sec_dev_info *info)
+{
+ void __iomem *base = info->regs[SEC_COMMON];
+ bool is_reset, b_is_reset;
+ u32 i = 0;
+
+ writel_relaxed(1, base + SEC_ALGSUB_RST_REQ_REG);
+ writel_relaxed(1, base + SEC_ALGSUB_BUILD_RST_REQ_REG);
+ while (1) {
+ usleep_range(1000, 10000);
+ is_reset = readl_relaxed(base + SEC_ALGSUB_RST_ST_REG) &
+ SEC_ALGSUB_RST_ST_IS_RST;
+ b_is_reset = readl_relaxed(base + SEC_ALGSUB_BUILD_RST_ST_REG) &
+ SEC_ALGSUB_BUILD_RST_ST_IS_RST;
+ if (is_reset && b_is_reset)
+ break;
+ i++;
+ if (i > 10) {
+ dev_err(info->dev, "Reset req failed\n");
+ return -EIO;
+ }
+ }
+
+ i = 0;
+ writel_relaxed(1, base + SEC_ALGSUB_RST_DREQ_REG);
+ writel_relaxed(1, base + SEC_ALGSUB_BUILD_RST_DREQ_REG);
+ while (1) {
+ usleep_range(1000, 10000);
+ is_reset = readl_relaxed(base + SEC_ALGSUB_RST_ST_REG) &
+ SEC_ALGSUB_RST_ST_IS_RST;
+ b_is_reset = readl_relaxed(base + SEC_ALGSUB_BUILD_RST_ST_REG) &
+ SEC_ALGSUB_BUILD_RST_ST_IS_RST;
+ if (!is_reset && !b_is_reset)
+ break;
+
+ i++;
+ if (i > 10) {
+ dev_err(info->dev, "Reset dreq failed\n");
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
+
+static void sec_bd_endian_little(struct sec_dev_info *info)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_CTRL2_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ regval &= ~(SEC_CTRL2_ENDIAN_BD | SEC_CTRL2_ENDIAN_BD_TYPE);
+ writel_relaxed(regval, addr);
+}
+
+/*
+ * sec_cache_config - configure optimum cache placement
+ */
+static void sec_cache_config(struct sec_dev_info *info)
+{
+ struct iommu_domain *domain;
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_CTRL_REG;
+
+ domain = iommu_get_domain_for_dev(info->dev);
+
+ /* Check that translation is occurring */
+ if (domain && (domain->type & __IOMMU_DOMAIN_PAGING))
+ writel_relaxed(0x44cf9e, addr);
+ else
+ writel_relaxed(0x4cfd9, addr);
+}
+
+static void sec_data_axiwr_otsd_cfg(struct sec_dev_info *info, u32 cfg)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_CTRL2_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ regval &= ~SEC_CTRL2_DATA_AXI_WR_OTSD_CFG_M;
+ regval |= (cfg << SEC_CTRL2_DATA_AXI_WR_OTSD_CFG_S) &
+ SEC_CTRL2_DATA_AXI_WR_OTSD_CFG_M;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_data_axird_otsd_cfg(struct sec_dev_info *info, u32 cfg)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_CTRL2_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ regval &= ~SEC_CTRL2_DATA_AXI_RD_OTSD_CFG_M;
+ regval |= (cfg << SEC_CTRL2_DATA_AXI_RD_OTSD_CFG_S) &
+ SEC_CTRL2_DATA_AXI_RD_OTSD_CFG_M;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_clk_gate_en(struct sec_dev_info *info, bool clkgate)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_CTRL2_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (clkgate)
+ regval |= SEC_CTRL2_CLK_GATE_EN;
+ else
+ regval &= ~SEC_CTRL2_CLK_GATE_EN;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_comm_cnt_cfg(struct sec_dev_info *info, bool clr_ce)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_COMMON_CNT_CLR_CE_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (clr_ce)
+ regval |= SEC_COMMON_CNT_CLR_CE_CLEAR;
+ else
+ regval &= ~SEC_COMMON_CNT_CLR_CE_CLEAR;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_commsnap_en(struct sec_dev_info *info, bool snap_en)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_COMMON_CNT_CLR_CE_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (snap_en)
+ regval |= SEC_COMMON_CNT_CLR_CE_SNAP_EN;
+ else
+ regval &= ~SEC_COMMON_CNT_CLR_CE_SNAP_EN;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_ipv6_hashmask(struct sec_dev_info *info, u32 hash_mask[])
+{
+ void __iomem *base = info->regs[SEC_SAA];
+ int i;
+
+ for (i = 0; i < 10; i++)
+ writel_relaxed(hash_mask[0],
+ base + SEC_IPV6_MASK_TABLE_X_REG(i));
+}
+
+static int sec_ipv4_hashmask(struct sec_dev_info *info, u32 hash_mask)
+{
+ if (hash_mask & SEC_HASH_IPV4_MASK) {
+ dev_err(info->dev, "Sec Ipv4 Hash Mask Input Error!\n ");
+ return -EINVAL;
+ }
+
+ writel_relaxed(hash_mask,
+ info->regs[SEC_SAA] + SEC_IPV4_MASK_TABLE_REG);
+
+ return 0;
+}
+
+static void sec_set_dbg_bd_cfg(struct sec_dev_info *info, u32 cfg)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_DEBUG_BD_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ /* Always disable write back of normal bd */
+ regval &= ~SEC_DEBUG_BD_CFG_WB_NORMAL;
+
+ if (cfg)
+ regval &= ~SEC_DEBUG_BD_CFG_WB_EN;
+ else
+ regval |= SEC_DEBUG_BD_CFG_WB_EN;
+
+ writel_relaxed(regval, addr);
+}
+
+static void sec_saa_getqm_en(struct sec_dev_info *info, u32 saa_indx, u32 en)
+{
+ void __iomem *addr = info->regs[SEC_SAA] + SEC_SAA_BASE +
+ SEC_SAA_CTRL_REG(saa_indx);
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (en)
+ regval |= SEC_SAA_CTRL_GET_QM_EN;
+ else
+ regval &= ~SEC_SAA_CTRL_GET_QM_EN;
+ writel_relaxed(regval, addr);
+}
+
+static void sec_saa_int_mask(struct sec_dev_info *info, u32 saa_indx,
+ u32 saa_int_mask)
+{
+ writel_relaxed(saa_int_mask,
+ info->regs[SEC_SAA] + SEC_SAA_BASE + SEC_ST_INTMSK1_REG +
+ saa_indx * SEC_SAA_ADDR_SIZE);
+}
+
+static void sec_streamid(struct sec_dev_info *info, int i)
+{
+ #define SEC_SID 0x600
+ #define SEC_VMID 0
+
+ writel_relaxed((SEC_VMID | ((SEC_SID & 0xffff) << 8)),
+ info->regs[SEC_SAA] + SEC_Q_VMID_CFG_REG(i));
+}
+
+static void sec_queue_ar_alloc(struct sec_queue *queue, u32 alloc)
+{
+ void __iomem *addr = queue->regs + SEC_Q_ARUSER_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (alloc == SEC_QUEUE_AR_FROCE_ALLOC) {
+ regval |= SEC_Q_ARUSER_CFG_FA;
+ regval &= ~SEC_Q_ARUSER_CFG_FNA;
+ } else {
+ regval &= ~SEC_Q_ARUSER_CFG_FA;
+ regval |= SEC_Q_ARUSER_CFG_FNA;
+ }
+
+ writel_relaxed(regval, addr);
+}
+
+static void sec_queue_aw_alloc(struct sec_queue *queue, u32 alloc)
+{
+ void __iomem *addr = queue->regs + SEC_Q_AWUSER_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ if (alloc == SEC_QUEUE_AW_FROCE_ALLOC) {
+ regval |= SEC_Q_AWUSER_CFG_FA;
+ regval &= ~SEC_Q_AWUSER_CFG_FNA;
+ } else {
+ regval &= ~SEC_Q_AWUSER_CFG_FA;
+ regval |= SEC_Q_AWUSER_CFG_FNA;
+ }
+
+ writel_relaxed(regval, addr);
+}
+
+static void sec_queue_reorder(struct sec_queue *queue, bool reorder)
+{
+ void __iomem *base = queue->regs;
+ u32 regval;
+
+ regval = readl_relaxed(base + SEC_Q_CFG_REG);
+ if (reorder)
+ regval |= SEC_Q_CFG_REORDER;
+ else
+ regval &= ~SEC_Q_CFG_REORDER;
+ writel_relaxed(regval, base + SEC_Q_CFG_REG);
+}
+
+static void sec_queue_depth(struct sec_queue *queue, u32 depth)
+{
+ void __iomem *addr = queue->regs + SEC_Q_DEPTH_CFG_REG;
+ u32 regval;
+
+ regval = readl_relaxed(addr);
+ regval &= ~SEC_Q_DEPTH_CFG_DEPTH_M;
+ regval |= (depth << SEC_Q_DEPTH_CFG_DEPTH_S) & SEC_Q_DEPTH_CFG_DEPTH_M;
+
+ writel_relaxed(regval, addr);
+}
+
+static void sec_queue_cmdbase_addr(struct sec_queue *queue, u64 addr)
+{
+ writel_relaxed(upper_32_bits(addr), queue->regs + SEC_Q_BASE_HADDR_REG);
+ writel_relaxed(lower_32_bits(addr), queue->regs + SEC_Q_BASE_LADDR_REG);
+}
+
+static void sec_queue_outorder_addr(struct sec_queue *queue, u64 addr)
+{
+ writel_relaxed(upper_32_bits(addr),
+ queue->regs + SEC_Q_OUTORDER_BASE_HADDR_REG);
+ writel_relaxed(lower_32_bits(addr),
+ queue->regs + SEC_Q_OUTORDER_BASE_LADDR_REG);
+}
+
+static void sec_queue_errbase_addr(struct sec_queue *queue, u64 addr)
+{
+ writel_relaxed(upper_32_bits(addr),
+ queue->regs + SEC_Q_ERR_BASE_HADDR_REG);
+ writel_relaxed(lower_32_bits(addr),
+ queue->regs + SEC_Q_ERR_BASE_LADDR_REG);
+}
+
+static void sec_queue_irq_disable(struct sec_queue *queue)
+{
+ writel_relaxed((u32)~0, queue->regs + SEC_Q_FLOW_INT_MKS_REG);
+}
+
+static void sec_queue_irq_enable(struct sec_queue *queue)
+{
+ writel_relaxed(0, queue->regs + SEC_Q_FLOW_INT_MKS_REG);
+}
+
+static void sec_queue_abn_irq_disable(struct sec_queue *queue)
+{
+ writel_relaxed((u32)~0, queue->regs + SEC_Q_FAIL_INT_MSK_REG);
+}
+
+static void sec_queue_stop(struct sec_queue *queue)
+{
+ disable_irq(queue->task_irq);
+ sec_queue_irq_disable(queue);
+ writel_relaxed(0x0, queue->regs + SEC_QUEUE_ENB_REG);
+}
+
+static void sec_queue_start(struct sec_queue *queue)
+{
+ sec_queue_irq_enable(queue);
+ enable_irq(queue->task_irq);
+ queue->expected = 0;
+ writel_relaxed(SEC_Q_INIT_AND_STAT_CLEAR, queue->regs + SEC_Q_INIT_REG);
+ writel_relaxed(0x1, queue->regs + SEC_QUEUE_ENB_REG);
+}
+
+static struct sec_queue *sec_alloc_queue(struct sec_dev_info *info)
+{
+ int i;
+
+ mutex_lock(&info->dev_lock);
+
+ /* Get the first idle queue in SEC device */
+ for (i = 0; i < SEC_Q_NUM; i++)
+ if (!info->queues[i].in_use) {
+ info->queues[i].in_use = true;
+ info->queues_in_use++;
+ mutex_unlock(&info->dev_lock);
+
+ return &info->queues[i];
+ }
+ mutex_unlock(&info->dev_lock);
+
+ return ERR_PTR(-ENODEV);
+}
+
+static int sec_queue_free(struct sec_queue *queue)
+{
+ struct sec_dev_info *info = queue->dev_info;
+
+ if (queue->queue_id >= SEC_Q_NUM) {
+ dev_err(info->dev, "No queue %u\n", queue->queue_id);
+ return -ENODEV;
+ }
+
+ if (!queue->in_use) {
+ dev_err(info->dev, "Queue %u is idle\n", queue->queue_id);
+ return -ENODEV;
+ }
+
+ mutex_lock(&info->dev_lock);
+ queue->in_use = false;
+ info->queues_in_use--;
+ mutex_unlock(&info->dev_lock);
+
+ return 0;
+}
+
+static irqreturn_t sec_isr_handle_th(int irq, void *q)
+{
+ sec_queue_irq_disable(q);
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t sec_isr_handle(int irq, void *q)
+{
+ struct sec_queue *queue = q;
+ struct sec_queue_ring_cmd *msg_ring = &queue->ring_cmd;
+ struct sec_queue_ring_cq *cq_ring = &queue->ring_cq;
+ struct sec_out_bd_info *outorder_msg;
+ struct sec_bd_info *msg;
+ u32 ooo_read, ooo_write;
+ void __iomem *base = queue->regs;
+ int q_id;
+
+ ooo_read = readl(base + SEC_Q_OUTORDER_RD_PTR_REG);
+ ooo_write = readl(base + SEC_Q_OUTORDER_WR_PTR_REG);
+ outorder_msg = cq_ring->vaddr + ooo_read;
+ q_id = outorder_msg->data & SEC_OUT_BD_INFO_Q_ID_M;
+ msg = msg_ring->vaddr + q_id;
+
+ while ((ooo_write != ooo_read) && msg->w0 & SEC_BD_W0_DONE) {
+ /*
+ * Must be before callback otherwise blocks adding other chained
+ * elements
+ */
+ set_bit(q_id, queue->unprocessed);
+ if (q_id == queue->expected)
+ while (test_bit(queue->expected, queue->unprocessed)) {
+ clear_bit(queue->expected, queue->unprocessed);
+ msg = msg_ring->vaddr + queue->expected;
+ msg->w0 &= ~SEC_BD_W0_DONE;
+ msg_ring->callback(msg,
+ queue->shadow[queue->expected]);
+ queue->shadow[queue->expected] = NULL;
+ queue->expected = (queue->expected + 1) %
+ SEC_QUEUE_LEN;
+ atomic_dec(&msg_ring->used);
+ }
+
+ ooo_read = (ooo_read + 1) % SEC_QUEUE_LEN;
+ writel(ooo_read, base + SEC_Q_OUTORDER_RD_PTR_REG);
+ ooo_write = readl(base + SEC_Q_OUTORDER_WR_PTR_REG);
+ outorder_msg = cq_ring->vaddr + ooo_read;
+ q_id = outorder_msg->data & SEC_OUT_BD_INFO_Q_ID_M;
+ msg = msg_ring->vaddr + q_id;
+ }
+
+ sec_queue_irq_enable(queue);
+
+ return IRQ_HANDLED;
+}
+
+static int sec_queue_irq_init(struct sec_queue *queue)
+{
+ struct sec_dev_info *info = queue->dev_info;
+ int irq = queue->task_irq;
+ int ret;
+
+ ret = request_threaded_irq(irq, sec_isr_handle_th, sec_isr_handle,
+ IRQF_TRIGGER_RISING, queue->name, queue);
+ if (ret) {
+ dev_err(info->dev, "request irq(%d) failed %d\n", irq, ret);
+ return ret;
+ }
+ disable_irq(irq);
+
+ return 0;
+}
+
+static int sec_queue_irq_uninit(struct sec_queue *queue)
+{
+ free_irq(queue->task_irq, queue);
+
+ return 0;
+}
+
+static struct sec_dev_info *sec_device_get(void)
+{
+ struct sec_dev_info *sec_dev = NULL;
+ struct sec_dev_info *this_sec_dev;
+ int least_busy_n = SEC_Q_NUM + 1;
+ int i;
+
+ /* Find which one is least busy and use that first */
+ for (i = 0; i < SEC_MAX_DEVICES; i++) {
+ this_sec_dev = sec_devices[i];
+ if (this_sec_dev &&
+ this_sec_dev->queues_in_use < least_busy_n) {
+ least_busy_n = this_sec_dev->queues_in_use;
+ sec_dev = this_sec_dev;
+ }
+ }
+
+ return sec_dev;
+}
+
+static struct sec_queue *sec_queue_alloc_start(struct sec_dev_info *info)
+{
+ struct sec_queue *queue;
+
+ queue = sec_alloc_queue(info);
+ if (IS_ERR(queue)) {
+ dev_err(info->dev, "alloc sec queue failed! %ld\n",
+ PTR_ERR(queue));
+ return queue;
+ }
+
+ sec_queue_start(queue);
+
+ return queue;
+}
+
+/**
+ * sec_queue_alloc_start_safe - get a hw queue from appropriate instance
+ *
+ * This function does extremely simplistic load balancing. It does not take into
+ * account NUMA locality of the accelerator, or which cpu has requested the
+ * queue. Future work may focus on optimizing this in order to improve full
+ * machine throughput.
+ */
+struct sec_queue *sec_queue_alloc_start_safe(void)
+{
+ struct sec_dev_info *info;
+ struct sec_queue *queue = ERR_PTR(-ENODEV);
+
+ mutex_lock(&sec_id_lock);
+ info = sec_device_get();
+ if (!info)
+ goto unlock;
+
+ queue = sec_queue_alloc_start(info);
+
+unlock:
+ mutex_unlock(&sec_id_lock);
+
+ return queue;
+}
+
+/**
+ * sec_queue_stop_release() - free up a hw queue for reuse
+ * @queue: The queue we are done with.
+ *
+ * This will stop the current queue, terminanting any transactions
+ * that are inflight an return it to the pool of available hw queuess
+ */
+int sec_queue_stop_release(struct sec_queue *queue)
+{
+ struct device *dev = queue->dev_info->dev;
+ int ret;
+
+ sec_queue_stop(queue);
+
+ ret = sec_queue_free(queue);
+ if (ret)
+ dev_err(dev, "Releasing queue failed %d\n", ret);
+
+ return ret;
+}
+
+/**
+ * sec_queue_empty() - Is this hardware queue currently empty.
+ * @queue: The queue to test
+ *
+ * We need to know if we have an empty queue for some of the chaining modes
+ * as if it is not empty we may need to hold the message in a software queue
+ * until the hw queue is drained.
+ */
+bool sec_queue_empty(struct sec_queue *queue)
+{
+ struct sec_queue_ring_cmd *msg_ring = &queue->ring_cmd;
+
+ return !atomic_read(&msg_ring->used);
+}
+
+/**
+ * sec_queue_send() - queue up a single operation in the hw queue
+ * @queue: The queue in which to put the message
+ * @msg: The message
+ * @ctx: Context to be put in the shadow array and passed back to cb on result.
+ *
+ * This function will return -EAGAIN if the queue is currently full.
+ */
+int sec_queue_send(struct sec_queue *queue, struct sec_bd_info *msg, void *ctx)
+{
+ struct sec_queue_ring_cmd *msg_ring = &queue->ring_cmd;
+ void __iomem *base = queue->regs;
+ u32 write, read;
+
+ mutex_lock(&msg_ring->lock);
+ read = readl(base + SEC_Q_RD_PTR_REG);
+ write = readl(base + SEC_Q_WR_PTR_REG);
+ if (write == read && atomic_read(&msg_ring->used) == SEC_QUEUE_LEN) {
+ mutex_unlock(&msg_ring->lock);
+ return -EAGAIN;
+ }
+ memcpy(msg_ring->vaddr + write, msg, sizeof(*msg));
+ queue->shadow[write] = ctx;
+ write = (write + 1) % SEC_QUEUE_LEN;
+
+ /* Ensure content updated before queue advance */
+ wmb();
+ writel(write, base + SEC_Q_WR_PTR_REG);
+
+ atomic_inc(&msg_ring->used);
+ mutex_unlock(&msg_ring->lock);
+
+ return 0;
+}
+
+bool sec_queue_can_enqueue(struct sec_queue *queue, int num)
+{
+ struct sec_queue_ring_cmd *msg_ring = &queue->ring_cmd;
+
+ return SEC_QUEUE_LEN - atomic_read(&msg_ring->used) >= num;
+}
+
+static void sec_queue_hw_init(struct sec_queue *queue)
+{
+ sec_queue_ar_alloc(queue, SEC_QUEUE_AR_FROCE_NOALLOC);
+ sec_queue_aw_alloc(queue, SEC_QUEUE_AW_FROCE_NOALLOC);
+ sec_queue_ar_pkgattr(queue, 1);
+ sec_queue_aw_pkgattr(queue, 1);
+
+ /* Enable out of order queue */
+ sec_queue_reorder(queue, true);
+
+ /* Interrupt after a single complete element */
+ writel_relaxed(1, queue->regs + SEC_Q_PROC_NUM_CFG_REG);
+
+ sec_queue_depth(queue, SEC_QUEUE_LEN - 1);
+
+ sec_queue_cmdbase_addr(queue, queue->ring_cmd.paddr);
+
+ sec_queue_outorder_addr(queue, queue->ring_cq.paddr);
+
+ sec_queue_errbase_addr(queue, queue->ring_db.paddr);
+
+ writel_relaxed(0x100, queue->regs + SEC_Q_OT_TH_REG);
+
+ sec_queue_abn_irq_disable(queue);
+ sec_queue_irq_disable(queue);
+ writel_relaxed(SEC_Q_INIT_AND_STAT_CLEAR, queue->regs + SEC_Q_INIT_REG);
+}
+
+static int sec_hw_init(struct sec_dev_info *info)
+{
+ struct iommu_domain *domain;
+ u32 sec_ipv4_mask = 0;
+ u32 sec_ipv6_mask[10] = {};
+ u32 i, ret;
+
+ domain = iommu_get_domain_for_dev(info->dev);
+
+ /*
+ * Enable all available processing unit clocks.
+ * Only the first cluster is usable with translations.
+ */
+ if (domain && (domain->type & __IOMMU_DOMAIN_PAGING))
+ info->num_saas = 5;
+
+ else
+ info->num_saas = 10;
+
+ writel_relaxed(GENMASK(info->num_saas - 1, 0),
+ info->regs[SEC_SAA] + SEC_CLK_EN_REG);
+
+ /* 32 bit little endian */
+ sec_bd_endian_little(info);
+
+ sec_cache_config(info);
+
+ /* Data axi port write and read outstanding config as per datasheet */
+ sec_data_axiwr_otsd_cfg(info, 0x7);
+ sec_data_axird_otsd_cfg(info, 0x7);
+
+ /* Enable clock gating */
+ sec_clk_gate_en(info, true);
+
+ /* Set CNT_CYC register not read clear */
+ sec_comm_cnt_cfg(info, false);
+
+ /* Enable CNT_CYC */
+ sec_commsnap_en(info, false);
+
+ writel_relaxed((u32)~0, info->regs[SEC_SAA] + SEC_FSM_MAX_CNT_REG);
+
+ ret = sec_ipv4_hashmask(info, sec_ipv4_mask);
+ if (ret) {
+ dev_err(info->dev, "Failed to set ipv4 hashmask %d\n", ret);
+ return -EIO;
+ }
+
+ sec_ipv6_hashmask(info, sec_ipv6_mask);
+
+ /* do not use debug bd */
+ sec_set_dbg_bd_cfg(info, 0);
+
+ if (domain && (domain->type & __IOMMU_DOMAIN_PAGING)) {
+ for (i = 0; i < SEC_Q_NUM; i++) {
+ sec_streamid(info, i);
+ /* Same QoS for all queues */
+ writel_relaxed(0x3f,
+ info->regs[SEC_SAA] +
+ SEC_Q_WEIGHT_CFG_REG(i));
+ }
+ }
+
+ for (i = 0; i < info->num_saas; i++) {
+ sec_saa_getqm_en(info, i, 1);
+ sec_saa_int_mask(info, i, 0);
+ }
+
+ return 0;
+}
+
+static void sec_hw_exit(struct sec_dev_info *info)
+{
+ int i;
+
+ for (i = 0; i < SEC_MAX_SAA_NUM; i++) {
+ sec_saa_int_mask(info, i, (u32)~0);
+ sec_saa_getqm_en(info, i, 0);
+ }
+}
+
+static void sec_queue_base_init(struct sec_dev_info *info,
+ struct sec_queue *queue, int queue_id)
+{
+ queue->dev_info = info;
+ queue->queue_id = queue_id;
+ snprintf(queue->name, sizeof(queue->name),
+ "%s_%d", dev_name(info->dev), queue->queue_id);
+}
+
+static int sec_map_io(struct sec_dev_info *info, struct platform_device *pdev)
+{
+ struct resource *res;
+ int i;
+
+ for (i = 0; i < SEC_NUM_ADDR_REGIONS; i++) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, i);
+
+ if (!res) {
+ dev_err(info->dev, "Memory resource %d not found\n", i);
+ return -EINVAL;
+ }
+
+ info->regs[i] = devm_ioremap(info->dev, res->start,
+ resource_size(res));
+ if (!info->regs[i]) {
+ dev_err(info->dev,
+ "Memory resource %d could not be remapped\n",
+ i);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int sec_base_init(struct sec_dev_info *info,
+ struct platform_device *pdev)
+{
+ int ret;
+
+ ret = sec_map_io(info, pdev);
+ if (ret)
+ return ret;
+
+ ret = sec_clk_en(info);
+ if (ret)
+ return ret;
+
+ ret = sec_reset_whole_module(info);
+ if (ret)
+ goto sec_clk_disable;
+
+ ret = sec_hw_init(info);
+ if (ret)
+ goto sec_clk_disable;
+
+ return 0;
+
+sec_clk_disable:
+ sec_clk_dis(info);
+
+ return ret;
+}
+
+static void sec_base_exit(struct sec_dev_info *info)
+{
+ sec_hw_exit(info);
+ sec_clk_dis(info);
+}
+
+#define SEC_Q_CMD_SIZE \
+ round_up(SEC_QUEUE_LEN * sizeof(struct sec_bd_info), PAGE_SIZE)
+#define SEC_Q_CQ_SIZE \
+ round_up(SEC_QUEUE_LEN * sizeof(struct sec_out_bd_info), PAGE_SIZE)
+#define SEC_Q_DB_SIZE \
+ round_up(SEC_QUEUE_LEN * sizeof(struct sec_debug_bd_info), PAGE_SIZE)
+
+static int sec_queue_res_cfg(struct sec_queue *queue)
+{
+ struct device *dev = queue->dev_info->dev;
+ struct sec_queue_ring_cmd *ring_cmd = &queue->ring_cmd;
+ struct sec_queue_ring_cq *ring_cq = &queue->ring_cq;
+ struct sec_queue_ring_db *ring_db = &queue->ring_db;
+ int ret;
+
+ ring_cmd->vaddr = dma_alloc_coherent(dev, SEC_Q_CMD_SIZE,
+ &ring_cmd->paddr, GFP_KERNEL);
+ if (!ring_cmd->vaddr)
+ return -ENOMEM;
+
+ atomic_set(&ring_cmd->used, 0);
+ mutex_init(&ring_cmd->lock);
+ ring_cmd->callback = sec_alg_callback;
+
+ ring_cq->vaddr = dma_alloc_coherent(dev, SEC_Q_CQ_SIZE,
+ &ring_cq->paddr, GFP_KERNEL);
+ if (!ring_cq->vaddr) {
+ ret = -ENOMEM;
+ goto err_free_ring_cmd;
+ }
+
+ ring_db->vaddr = dma_alloc_coherent(dev, SEC_Q_DB_SIZE,
+ &ring_db->paddr, GFP_KERNEL);
+ if (!ring_db->vaddr) {
+ ret = -ENOMEM;
+ goto err_free_ring_cq;
+ }
+ queue->task_irq = platform_get_irq(to_platform_device(dev),
+ queue->queue_id * 2 + 1);
+ if (queue->task_irq <= 0) {
+ ret = -EINVAL;
+ goto err_free_ring_db;
+ }
+
+ return 0;
+
+err_free_ring_db:
+ dma_free_coherent(dev, SEC_Q_DB_SIZE, queue->ring_db.vaddr,
+ queue->ring_db.paddr);
+err_free_ring_cq:
+ dma_free_coherent(dev, SEC_Q_CQ_SIZE, queue->ring_cq.vaddr,
+ queue->ring_cq.paddr);
+err_free_ring_cmd:
+ dma_free_coherent(dev, SEC_Q_CMD_SIZE, queue->ring_cmd.vaddr,
+ queue->ring_cmd.paddr);
+
+ return ret;
+}
+
+static void sec_queue_free_ring_pages(struct sec_queue *queue)
+{
+ struct device *dev = queue->dev_info->dev;
+
+ dma_free_coherent(dev, SEC_Q_DB_SIZE, queue->ring_db.vaddr,
+ queue->ring_db.paddr);
+ dma_free_coherent(dev, SEC_Q_CQ_SIZE, queue->ring_cq.vaddr,
+ queue->ring_cq.paddr);
+ dma_free_coherent(dev, SEC_Q_CMD_SIZE, queue->ring_cmd.vaddr,
+ queue->ring_cmd.paddr);
+}
+
+static int sec_queue_config(struct sec_dev_info *info, struct sec_queue *queue,
+ int queue_id)
+{
+ int ret;
+
+ sec_queue_base_init(info, queue, queue_id);
+
+ ret = sec_queue_res_cfg(queue);
+ if (ret)
+ return ret;
+
+ ret = sec_queue_map_io(queue);
+ if (ret) {
+ dev_err(info->dev, "Queue map failed %d\n", ret);
+ sec_queue_free_ring_pages(queue);
+ return ret;
+ }
+
+ sec_queue_hw_init(queue);
+
+ return 0;
+}
+
+static void sec_queue_unconfig(struct sec_dev_info *info,
+ struct sec_queue *queue)
+{
+ sec_queue_unmap_io(queue);
+ sec_queue_free_ring_pages(queue);
+}
+
+static int sec_id_alloc(struct sec_dev_info *info)
+{
+ int ret = 0;
+ int i;
+
+ mutex_lock(&sec_id_lock);
+
+ for (i = 0; i < SEC_MAX_DEVICES; i++)
+ if (!sec_devices[i])
+ break;
+ if (i == SEC_MAX_DEVICES) {
+ ret = -ENOMEM;
+ goto unlock;
+ }
+ info->sec_id = i;
+ sec_devices[info->sec_id] = info;
+
+unlock:
+ mutex_unlock(&sec_id_lock);
+
+ return ret;
+}
+
+static void sec_id_free(struct sec_dev_info *info)
+{
+ mutex_lock(&sec_id_lock);
+ sec_devices[info->sec_id] = NULL;
+ mutex_unlock(&sec_id_lock);
+}
+
+static int sec_probe(struct platform_device *pdev)
+{
+ struct sec_dev_info *info;
+ struct device *dev = &pdev->dev;
+ int i, j;
+ int ret;
+
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+ if (ret) {
+ dev_err(dev, "Failed to set 64 bit dma mask %d", ret);
+ return -ENODEV;
+ }
+
+ info = devm_kzalloc(dev, (sizeof(*info)), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ info->dev = dev;
+ mutex_init(&info->dev_lock);
+
+ info->hw_sgl_pool = dmam_pool_create("sgl", dev,
+ sizeof(struct sec_hw_sgl), 64, 0);
+ if (!info->hw_sgl_pool) {
+ dev_err(dev, "Failed to create sec sgl dma pool\n");
+ return -ENOMEM;
+ }
+
+ ret = sec_base_init(info, pdev);
+ if (ret) {
+ dev_err(dev, "Base initialization fail! %d\n", ret);
+ return ret;
+ }
+
+ for (i = 0; i < SEC_Q_NUM; i++) {
+ ret = sec_queue_config(info, &info->queues[i], i);
+ if (ret)
+ goto queues_unconfig;
+
+ ret = sec_queue_irq_init(&info->queues[i]);
+ if (ret) {
+ sec_queue_unconfig(info, &info->queues[i]);
+ goto queues_unconfig;
+ }
+ }
+
+ ret = sec_algs_register();
+ if (ret) {
+ dev_err(dev, "Failed to register algorithms with crypto %d\n",
+ ret);
+ goto queues_unconfig;
+ }
+
+ platform_set_drvdata(pdev, info);
+
+ ret = sec_id_alloc(info);
+ if (ret)
+ goto algs_unregister;
+
+ return 0;
+
+algs_unregister:
+ sec_algs_unregister();
+queues_unconfig:
+ for (j = i - 1; j >= 0; j--) {
+ sec_queue_irq_uninit(&info->queues[j]);
+ sec_queue_unconfig(info, &info->queues[j]);
+ }
+ sec_base_exit(info);
+
+ return ret;
+}
+
+static int sec_remove(struct platform_device *pdev)
+{
+ struct sec_dev_info *info = platform_get_drvdata(pdev);
+ int i;
+
+ /* Unexpose as soon as possible, reuse during remove is fine */
+ sec_id_free(info);
+
+ sec_algs_unregister();
+
+ for (i = 0; i < SEC_Q_NUM; i++) {
+ sec_queue_irq_uninit(&info->queues[i]);
+ sec_queue_unconfig(info, &info->queues[i]);
+ }
+
+ sec_base_exit(info);
+
+ return 0;
+}
+
+static const __maybe_unused struct of_device_id sec_match[] = {
+ { .compatible = "hisilicon,hip06-sec" },
+ { .compatible = "hisilicon,hip07-sec" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, sec_match);
+
+static const __maybe_unused struct acpi_device_id sec_acpi_match[] = {
+ { "HISI02C1", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, sec_acpi_match);
+
+static struct platform_driver sec_driver = {
+ .probe = sec_probe,
+ .remove = sec_remove,
+ .driver = {
+ .name = "hisi_sec_platform_driver",
+ .of_match_table = sec_match,
+ .acpi_match_table = ACPI_PTR(sec_acpi_match),
+ },
+};
+module_platform_driver(sec_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("HiSilicon Security Accelerators");
+MODULE_AUTHOR("Zaibo Xu <xuzaibo@huawei.com");
+MODULE_AUTHOR("Jonathan Cameron <jonathan.cameron@huawei.com>");
diff --git a/drivers/crypto/hisilicon/sec/sec_drv.h b/drivers/crypto/hisilicon/sec/sec_drv.h
new file mode 100644
index 000000000..e2a50bf22
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec/sec_drv.h
@@ -0,0 +1,428 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2016-2017 HiSilicon Limited. */
+
+#ifndef _SEC_DRV_H_
+#define _SEC_DRV_H_
+
+#include <crypto/algapi.h>
+#include <linux/kfifo.h>
+
+#define SEC_MAX_SGE_NUM 64
+#define SEC_HW_RING_NUM 3
+
+#define SEC_CMD_RING 0
+#define SEC_OUTORDER_RING 1
+#define SEC_DBG_RING 2
+
+/* A reasonable length to balance memory use against flexibility */
+#define SEC_QUEUE_LEN 512
+
+#define SEC_MAX_SGE_NUM 64
+
+struct sec_bd_info {
+#define SEC_BD_W0_T_LEN_M GENMASK(4, 0)
+#define SEC_BD_W0_T_LEN_S 0
+
+#define SEC_BD_W0_C_WIDTH_M GENMASK(6, 5)
+#define SEC_BD_W0_C_WIDTH_S 5
+#define SEC_C_WIDTH_AES_128BIT 0
+#define SEC_C_WIDTH_AES_8BIT 1
+#define SEC_C_WIDTH_AES_1BIT 2
+#define SEC_C_WIDTH_DES_64BIT 0
+#define SEC_C_WIDTH_DES_8BIT 1
+#define SEC_C_WIDTH_DES_1BIT 2
+
+#define SEC_BD_W0_C_MODE_M GENMASK(9, 7)
+#define SEC_BD_W0_C_MODE_S 7
+#define SEC_C_MODE_ECB 0
+#define SEC_C_MODE_CBC 1
+#define SEC_C_MODE_CTR 4
+#define SEC_C_MODE_CCM 5
+#define SEC_C_MODE_GCM 6
+#define SEC_C_MODE_XTS 7
+
+#define SEC_BD_W0_SEQ BIT(10)
+#define SEC_BD_W0_DE BIT(11)
+#define SEC_BD_W0_DAT_SKIP_M GENMASK(13, 12)
+#define SEC_BD_W0_DAT_SKIP_S 12
+#define SEC_BD_W0_C_GRAN_SIZE_19_16_M GENMASK(17, 14)
+#define SEC_BD_W0_C_GRAN_SIZE_19_16_S 14
+
+#define SEC_BD_W0_CIPHER_M GENMASK(19, 18)
+#define SEC_BD_W0_CIPHER_S 18
+#define SEC_CIPHER_NULL 0
+#define SEC_CIPHER_ENCRYPT 1
+#define SEC_CIPHER_DECRYPT 2
+
+#define SEC_BD_W0_AUTH_M GENMASK(21, 20)
+#define SEC_BD_W0_AUTH_S 20
+#define SEC_AUTH_NULL 0
+#define SEC_AUTH_MAC 1
+#define SEC_AUTH_VERIF 2
+
+#define SEC_BD_W0_AI_GEN BIT(22)
+#define SEC_BD_W0_CI_GEN BIT(23)
+#define SEC_BD_W0_NO_HPAD BIT(24)
+#define SEC_BD_W0_HM_M GENMASK(26, 25)
+#define SEC_BD_W0_HM_S 25
+#define SEC_BD_W0_ICV_OR_SKEY_EN_M GENMASK(28, 27)
+#define SEC_BD_W0_ICV_OR_SKEY_EN_S 27
+
+/* Multi purpose field - gran size bits for send, flag for recv */
+#define SEC_BD_W0_FLAG_M GENMASK(30, 29)
+#define SEC_BD_W0_C_GRAN_SIZE_21_20_M GENMASK(30, 29)
+#define SEC_BD_W0_FLAG_S 29
+#define SEC_BD_W0_C_GRAN_SIZE_21_20_S 29
+
+#define SEC_BD_W0_DONE BIT(31)
+ u32 w0;
+
+#define SEC_BD_W1_AUTH_GRAN_SIZE_M GENMASK(21, 0)
+#define SEC_BD_W1_AUTH_GRAN_SIZE_S 0
+#define SEC_BD_W1_M_KEY_EN BIT(22)
+#define SEC_BD_W1_BD_INVALID BIT(23)
+#define SEC_BD_W1_ADDR_TYPE BIT(24)
+
+#define SEC_BD_W1_A_ALG_M GENMASK(28, 25)
+#define SEC_BD_W1_A_ALG_S 25
+#define SEC_A_ALG_SHA1 0
+#define SEC_A_ALG_SHA256 1
+#define SEC_A_ALG_MD5 2
+#define SEC_A_ALG_SHA224 3
+#define SEC_A_ALG_HMAC_SHA1 8
+#define SEC_A_ALG_HMAC_SHA224 10
+#define SEC_A_ALG_HMAC_SHA256 11
+#define SEC_A_ALG_HMAC_MD5 12
+#define SEC_A_ALG_AES_XCBC 13
+#define SEC_A_ALG_AES_CMAC 14
+
+#define SEC_BD_W1_C_ALG_M GENMASK(31, 29)
+#define SEC_BD_W1_C_ALG_S 29
+#define SEC_C_ALG_DES 0
+#define SEC_C_ALG_3DES 1
+#define SEC_C_ALG_AES 2
+
+ u32 w1;
+
+#define SEC_BD_W2_C_GRAN_SIZE_15_0_M GENMASK(15, 0)
+#define SEC_BD_W2_C_GRAN_SIZE_15_0_S 0
+#define SEC_BD_W2_GRAN_NUM_M GENMASK(31, 16)
+#define SEC_BD_W2_GRAN_NUM_S 16
+ u32 w2;
+
+#define SEC_BD_W3_AUTH_LEN_OFFSET_M GENMASK(9, 0)
+#define SEC_BD_W3_AUTH_LEN_OFFSET_S 0
+#define SEC_BD_W3_CIPHER_LEN_OFFSET_M GENMASK(19, 10)
+#define SEC_BD_W3_CIPHER_LEN_OFFSET_S 10
+#define SEC_BD_W3_MAC_LEN_M GENMASK(24, 20)
+#define SEC_BD_W3_MAC_LEN_S 20
+#define SEC_BD_W3_A_KEY_LEN_M GENMASK(29, 25)
+#define SEC_BD_W3_A_KEY_LEN_S 25
+#define SEC_BD_W3_C_KEY_LEN_M GENMASK(31, 30)
+#define SEC_BD_W3_C_KEY_LEN_S 30
+#define SEC_KEY_LEN_AES_128 0
+#define SEC_KEY_LEN_AES_192 1
+#define SEC_KEY_LEN_AES_256 2
+#define SEC_KEY_LEN_DES 1
+#define SEC_KEY_LEN_3DES_3_KEY 1
+#define SEC_KEY_LEN_3DES_2_KEY 3
+ u32 w3;
+
+ /* W4,5 */
+ union {
+ u32 authkey_addr_lo;
+ u32 authiv_addr_lo;
+ };
+ union {
+ u32 authkey_addr_hi;
+ u32 authiv_addr_hi;
+ };
+
+ /* W6,7 */
+ u32 cipher_key_addr_lo;
+ u32 cipher_key_addr_hi;
+
+ /* W8,9 */
+ u32 cipher_iv_addr_lo;
+ u32 cipher_iv_addr_hi;
+
+ /* W10,11 */
+ u32 data_addr_lo;
+ u32 data_addr_hi;
+
+ /* W12,13 */
+ u32 mac_addr_lo;
+ u32 mac_addr_hi;
+
+ /* W14,15 */
+ u32 cipher_destin_addr_lo;
+ u32 cipher_destin_addr_hi;
+};
+
+enum sec_mem_region {
+ SEC_COMMON = 0,
+ SEC_SAA,
+ SEC_NUM_ADDR_REGIONS
+};
+
+#define SEC_NAME_SIZE 64
+#define SEC_Q_NUM 16
+
+
+/**
+ * struct sec_queue_ring_cmd - store information about a SEC HW cmd ring
+ * @used: Local counter used to cheaply establish if the ring is empty.
+ * @lock: Protect against simultaneous adjusting of the read and write pointers.
+ * @vaddr: Virtual address for the ram pages used for the ring.
+ * @paddr: Physical address of the dma mapped region of ram used for the ring.
+ * @callback: Callback function called on a ring element completing.
+ */
+struct sec_queue_ring_cmd {
+ atomic_t used;
+ struct mutex lock;
+ struct sec_bd_info *vaddr;
+ dma_addr_t paddr;
+ void (*callback)(struct sec_bd_info *resp, void *ctx);
+};
+
+struct sec_debug_bd_info;
+struct sec_queue_ring_db {
+ struct sec_debug_bd_info *vaddr;
+ dma_addr_t paddr;
+};
+
+struct sec_out_bd_info;
+struct sec_queue_ring_cq {
+ struct sec_out_bd_info *vaddr;
+ dma_addr_t paddr;
+};
+
+struct sec_dev_info;
+
+enum sec_cipher_alg {
+ SEC_C_DES_ECB_64,
+ SEC_C_DES_CBC_64,
+
+ SEC_C_3DES_ECB_192_3KEY,
+ SEC_C_3DES_ECB_192_2KEY,
+
+ SEC_C_3DES_CBC_192_3KEY,
+ SEC_C_3DES_CBC_192_2KEY,
+
+ SEC_C_AES_ECB_128,
+ SEC_C_AES_ECB_192,
+ SEC_C_AES_ECB_256,
+
+ SEC_C_AES_CBC_128,
+ SEC_C_AES_CBC_192,
+ SEC_C_AES_CBC_256,
+
+ SEC_C_AES_CTR_128,
+ SEC_C_AES_CTR_192,
+ SEC_C_AES_CTR_256,
+
+ SEC_C_AES_XTS_128,
+ SEC_C_AES_XTS_256,
+
+ SEC_C_NULL,
+};
+
+/**
+ * struct sec_alg_tfm_ctx - hardware specific tranformation context
+ * @cipher_alg: Cipher algorithm enabled include encryption mode.
+ * @key: Key storage if required.
+ * @pkey: DMA address for the key storage.
+ * @req_template: Request template to save time on setup.
+ * @queue: The hardware queue associated with this tfm context.
+ * @lock: Protect key and pkey to ensure they are consistent
+ * @auth_buf: Current context buffer for auth operations.
+ * @backlog: The backlog queue used for cases where our buffers aren't
+ * large enough.
+ */
+struct sec_alg_tfm_ctx {
+ enum sec_cipher_alg cipher_alg;
+ u8 *key;
+ dma_addr_t pkey;
+ struct sec_bd_info req_template;
+ struct sec_queue *queue;
+ struct mutex lock;
+ u8 *auth_buf;
+ struct list_head backlog;
+};
+
+/**
+ * struct sec_request - data associate with a single crypto request
+ * @elements: List of subparts of this request (hardware size restriction)
+ * @num_elements: The number of subparts (used as an optimization)
+ * @lock: Protect elements of this structure against concurrent change.
+ * @tfm_ctx: hardware specific context.
+ * @len_in: length of in sgl from upper layers
+ * @len_out: length of out sgl from upper layers
+ * @dma_iv: initialization vector - phsyical address
+ * @err: store used to track errors across subelements of this request.
+ * @req_base: pointer to base element of associate crypto context.
+ * This is needed to allow shared handling skcipher, ahash etc.
+ * @cb: completion callback.
+ * @backlog_head: list head to allow backlog maintenance.
+ *
+ * The hardware is limited in the maximum size of data that it can
+ * process from a single BD. Typically this is fairly large (32MB)
+ * but still requires the complexity of splitting the incoming
+ * skreq up into a number of elements complete with appropriate
+ * iv chaining.
+ */
+struct sec_request {
+ struct list_head elements;
+ int num_elements;
+ struct mutex lock;
+ struct sec_alg_tfm_ctx *tfm_ctx;
+ int len_in;
+ int len_out;
+ dma_addr_t dma_iv;
+ int err;
+ struct crypto_async_request *req_base;
+ void (*cb)(struct sec_bd_info *resp, struct crypto_async_request *req);
+ struct list_head backlog_head;
+};
+
+/**
+ * struct sec_request_el - A subpart of a request.
+ * @head: allow us to attach this to the list in the sec_request
+ * @req: hardware block descriptor corresponding to this request subpart
+ * @in: hardware sgl for input - virtual address
+ * @dma_in: hardware sgl for input - physical address
+ * @sgl_in: scatterlist for this request subpart
+ * @out: hardware sgl for output - virtual address
+ * @dma_out: hardware sgl for output - physical address
+ * @sgl_out: scatterlist for this request subpart
+ * @sec_req: The request which this subpart forms a part of
+ * @el_length: Number of bytes in this subpart. Needed to locate
+ * last ivsize chunk for iv chaining.
+ */
+struct sec_request_el {
+ struct list_head head;
+ struct sec_bd_info req;
+ struct sec_hw_sgl *in;
+ dma_addr_t dma_in;
+ struct scatterlist *sgl_in;
+ struct sec_hw_sgl *out;
+ dma_addr_t dma_out;
+ struct scatterlist *sgl_out;
+ struct sec_request *sec_req;
+ size_t el_length;
+};
+
+/**
+ * struct sec_queue - All the information about a HW queue
+ * @dev_info: The parent SEC device to which this queue belongs.
+ * @task_irq: Completion interrupt for the queue.
+ * @name: Human readable queue description also used as irq name.
+ * @ring: The several HW rings associated with one queue.
+ * @regs: The iomapped device registers
+ * @queue_id: Index of the queue used for naming and resource selection.
+ * @in_use: Flag to say if the queue is in use.
+ * @expected: The next expected element to finish assuming we were in order.
+ * @uprocessed: A bitmap to track which OoO elements are done but not handled.
+ * @softqueue: A software queue used when chaining requirements prevent direct
+ * use of the hardware queues.
+ * @havesoftqueue: A flag to say we have a queues - as we may need one for the
+ * current mode.
+ * @queuelock: Protect the soft queue from concurrent changes to avoid some
+ * potential loss of data races.
+ * @shadow: Pointers back to the shadow copy of the hardware ring element
+ * need because we can't store any context reference in the bd element.
+ */
+struct sec_queue {
+ struct sec_dev_info *dev_info;
+ int task_irq;
+ char name[SEC_NAME_SIZE];
+ struct sec_queue_ring_cmd ring_cmd;
+ struct sec_queue_ring_cq ring_cq;
+ struct sec_queue_ring_db ring_db;
+ void __iomem *regs;
+ u32 queue_id;
+ bool in_use;
+ int expected;
+
+ DECLARE_BITMAP(unprocessed, SEC_QUEUE_LEN);
+ DECLARE_KFIFO_PTR(softqueue, typeof(struct sec_request_el *));
+ bool havesoftqueue;
+ spinlock_t queuelock;
+ void *shadow[SEC_QUEUE_LEN];
+};
+
+/**
+ * struct sec_hw_sge: Track each of the 64 element SEC HW SGL entries
+ * @buf: The IOV dma address for this entry.
+ * @len: Length of this IOV.
+ * @pad: Reserved space.
+ */
+struct sec_hw_sge {
+ dma_addr_t buf;
+ unsigned int len;
+ unsigned int pad;
+};
+
+/**
+ * struct sec_hw_sgl: One hardware SGL entry.
+ * @next_sgl: The next entry if we need to chain dma address. Null if last.
+ * @entry_sum_in_chain: The full count of SGEs - only matters for first SGL.
+ * @entry_sum_in_sgl: The number of SGEs in this SGL element.
+ * @flag: Unused in skciphers.
+ * @serial_num: Unsued in skciphers.
+ * @cpuid: Currently unused.
+ * @data_bytes_in_sgl: Count of bytes from all SGEs in this SGL.
+ * @next: Virtual address used to stash the next sgl - useful in completion.
+ * @reserved: A reserved field not currently used.
+ * @sge_entries: The (up to) 64 Scatter Gather Entries, representing IOVs.
+ * @node: Currently unused.
+ */
+struct sec_hw_sgl {
+ dma_addr_t next_sgl;
+ u16 entry_sum_in_chain;
+ u16 entry_sum_in_sgl;
+ u32 flag;
+ u64 serial_num;
+ u32 cpuid;
+ u32 data_bytes_in_sgl;
+ struct sec_hw_sgl *next;
+ u64 reserved;
+ struct sec_hw_sge sge_entries[SEC_MAX_SGE_NUM];
+ u8 node[16];
+};
+
+struct dma_pool;
+
+/**
+ * struct sec_dev_info: The full SEC unit comprising queues and processors.
+ * @sec_id: Index used to track which SEC this is when more than one is present.
+ * @num_saas: The number of backed processors enabled.
+ * @regs: iomapped register regions shared by whole SEC unit.
+ * @dev_lock: Protects concurrent queue allocation / freeing for the SEC.
+ * @queues: The 16 queues that this SEC instance provides.
+ * @dev: Device pointer.
+ * @hw_sgl_pool: DMA pool used to mimise mapping for the scatter gather lists.
+ */
+struct sec_dev_info {
+ int sec_id;
+ int num_saas;
+ void __iomem *regs[SEC_NUM_ADDR_REGIONS];
+ struct mutex dev_lock;
+ int queues_in_use;
+ struct sec_queue queues[SEC_Q_NUM];
+ struct device *dev;
+ struct dma_pool *hw_sgl_pool;
+};
+
+int sec_queue_send(struct sec_queue *queue, struct sec_bd_info *msg, void *ctx);
+bool sec_queue_can_enqueue(struct sec_queue *queue, int num);
+int sec_queue_stop_release(struct sec_queue *queue);
+struct sec_queue *sec_queue_alloc_start_safe(void);
+bool sec_queue_empty(struct sec_queue *queue);
+
+/* Algorithm specific elements from sec_algs.c */
+void sec_alg_callback(struct sec_bd_info *resp, void *ctx);
+int sec_algs_register(void);
+void sec_algs_unregister(void);
+
+#endif /* _SEC_DRV_H_ */
diff --git a/drivers/crypto/hisilicon/sec2/Makefile b/drivers/crypto/hisilicon/sec2/Makefile
new file mode 100644
index 000000000..b4f6cf14b
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_CRYPTO_DEV_HISI_SEC2) += hisi_sec2.o
+hisi_sec2-objs = sec_main.o sec_crypto.o
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
new file mode 100644
index 000000000..410c83712
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -0,0 +1,235 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#ifndef __HISI_SEC_V2_H
+#define __HISI_SEC_V2_H
+
+#include <linux/hisi_acc_qm.h>
+#include "sec_crypto.h"
+
+/* Algorithm resource per hardware SEC queue */
+struct sec_alg_res {
+ u8 *pbuf;
+ dma_addr_t pbuf_dma;
+ u8 *c_ivin;
+ dma_addr_t c_ivin_dma;
+ u8 *a_ivin;
+ dma_addr_t a_ivin_dma;
+ u8 *out_mac;
+ dma_addr_t out_mac_dma;
+ u16 depth;
+};
+
+/* Cipher request of SEC private */
+struct sec_cipher_req {
+ struct hisi_acc_hw_sgl *c_out;
+ dma_addr_t c_out_dma;
+ u8 *c_ivin;
+ dma_addr_t c_ivin_dma;
+ struct skcipher_request *sk_req;
+ u32 c_len;
+ bool encrypt;
+};
+
+struct sec_aead_req {
+ u8 *out_mac;
+ dma_addr_t out_mac_dma;
+ u8 *a_ivin;
+ dma_addr_t a_ivin_dma;
+ struct aead_request *aead_req;
+};
+
+/* SEC request of Crypto */
+struct sec_req {
+ union {
+ struct sec_sqe sec_sqe;
+ struct sec_sqe3 sec_sqe3;
+ };
+ struct sec_ctx *ctx;
+ struct sec_qp_ctx *qp_ctx;
+
+ /**
+ * Common parameter of the SEC request.
+ */
+ struct hisi_acc_hw_sgl *in;
+ dma_addr_t in_dma;
+ struct sec_cipher_req c_req;
+ struct sec_aead_req aead_req;
+ struct list_head backlog_head;
+
+ int err_type;
+ int req_id;
+ u32 flag;
+
+ /* Status of the SEC request */
+ bool fake_busy;
+ bool use_pbuf;
+};
+
+/**
+ * struct sec_req_op - Operations for SEC request
+ * @buf_map: DMA map the SGL buffers of the request
+ * @buf_unmap: DMA unmap the SGL buffers of the request
+ * @bd_fill: Fill the SEC queue BD
+ * @bd_send: Send the SEC BD into the hardware queue
+ * @callback: Call back for the request
+ * @process: Main processing logic of Skcipher
+ */
+struct sec_req_op {
+ int (*buf_map)(struct sec_ctx *ctx, struct sec_req *req);
+ void (*buf_unmap)(struct sec_ctx *ctx, struct sec_req *req);
+ void (*do_transfer)(struct sec_ctx *ctx, struct sec_req *req);
+ int (*bd_fill)(struct sec_ctx *ctx, struct sec_req *req);
+ int (*bd_send)(struct sec_ctx *ctx, struct sec_req *req);
+ void (*callback)(struct sec_ctx *ctx, struct sec_req *req, int err);
+ int (*process)(struct sec_ctx *ctx, struct sec_req *req);
+};
+
+/* SEC auth context */
+struct sec_auth_ctx {
+ dma_addr_t a_key_dma;
+ u8 *a_key;
+ u8 a_key_len;
+ u8 mac_len;
+ u8 a_alg;
+ bool fallback;
+ struct crypto_shash *hash_tfm;
+ struct crypto_aead *fallback_aead_tfm;
+};
+
+/* SEC cipher context which cipher's relatives */
+struct sec_cipher_ctx {
+ u8 *c_key;
+ dma_addr_t c_key_dma;
+ sector_t iv_offset;
+ u32 c_gran_size;
+ u32 ivsize;
+ u8 c_mode;
+ u8 c_alg;
+ u8 c_key_len;
+
+ /* add software support */
+ bool fallback;
+ struct crypto_sync_skcipher *fbtfm;
+};
+
+/* SEC queue context which defines queue's relatives */
+struct sec_qp_ctx {
+ struct hisi_qp *qp;
+ struct sec_req **req_list;
+ struct idr req_idr;
+ struct sec_alg_res *res;
+ struct sec_ctx *ctx;
+ spinlock_t req_lock;
+ struct list_head backlog;
+ struct hisi_acc_sgl_pool *c_in_pool;
+ struct hisi_acc_sgl_pool *c_out_pool;
+};
+
+enum sec_alg_type {
+ SEC_SKCIPHER,
+ SEC_AEAD
+};
+
+/* SEC Crypto TFM context which defines queue and cipher .etc relatives */
+struct sec_ctx {
+ struct sec_qp_ctx *qp_ctx;
+ struct sec_dev *sec;
+ const struct sec_req_op *req_op;
+ struct hisi_qp **qps;
+
+ /* Half queues for encipher, and half for decipher */
+ u32 hlf_q_num;
+
+ /* Threshold for fake busy, trigger to return -EBUSY to user */
+ u32 fake_req_limit;
+
+ /* Current cyclic index to select a queue for encipher */
+ atomic_t enc_qcyclic;
+
+ /* Current cyclic index to select a queue for decipher */
+ atomic_t dec_qcyclic;
+
+ enum sec_alg_type alg_type;
+ bool pbuf_supported;
+ struct sec_cipher_ctx c_ctx;
+ struct sec_auth_ctx a_ctx;
+ u8 type_supported;
+ struct device *dev;
+};
+
+
+enum sec_debug_file_index {
+ SEC_CLEAR_ENABLE,
+ SEC_DEBUG_FILE_NUM,
+};
+
+struct sec_debug_file {
+ enum sec_debug_file_index index;
+ spinlock_t lock;
+ struct hisi_qm *qm;
+};
+
+struct sec_dfx {
+ atomic64_t send_cnt;
+ atomic64_t recv_cnt;
+ atomic64_t send_busy_cnt;
+ atomic64_t recv_busy_cnt;
+ atomic64_t err_bd_cnt;
+ atomic64_t invalid_req_cnt;
+ atomic64_t done_flag_cnt;
+};
+
+struct sec_debug {
+ struct sec_dfx dfx;
+ struct sec_debug_file files[SEC_DEBUG_FILE_NUM];
+};
+
+struct sec_dev {
+ struct hisi_qm qm;
+ struct sec_debug debug;
+ u32 ctx_q_num;
+ bool iommu_used;
+};
+
+enum sec_cap_type {
+ SEC_QM_NFE_MASK_CAP = 0x0,
+ SEC_QM_RESET_MASK_CAP,
+ SEC_QM_OOO_SHUTDOWN_MASK_CAP,
+ SEC_QM_CE_MASK_CAP,
+ SEC_NFE_MASK_CAP,
+ SEC_RESET_MASK_CAP,
+ SEC_OOO_SHUTDOWN_MASK_CAP,
+ SEC_CE_MASK_CAP,
+ SEC_CLUSTER_NUM_CAP,
+ SEC_CORE_TYPE_NUM_CAP,
+ SEC_CORE_NUM_CAP,
+ SEC_CORES_PER_CLUSTER_NUM_CAP,
+ SEC_CORE_ENABLE_BITMAP,
+ SEC_DRV_ALG_BITMAP_LOW,
+ SEC_DRV_ALG_BITMAP_HIGH,
+ SEC_DEV_ALG_BITMAP_LOW,
+ SEC_DEV_ALG_BITMAP_HIGH,
+ SEC_CORE1_ALG_BITMAP_LOW,
+ SEC_CORE1_ALG_BITMAP_HIGH,
+ SEC_CORE2_ALG_BITMAP_LOW,
+ SEC_CORE2_ALG_BITMAP_HIGH,
+ SEC_CORE3_ALG_BITMAP_LOW,
+ SEC_CORE3_ALG_BITMAP_HIGH,
+ SEC_CORE4_ALG_BITMAP_LOW,
+ SEC_CORE4_ALG_BITMAP_HIGH,
+};
+
+enum sec_cap_reg_record_idx {
+ SEC_DRV_ALG_BITMAP_LOW_IDX = 0x0,
+ SEC_DRV_ALG_BITMAP_HIGH_IDX,
+ SEC_DEV_ALG_BITMAP_LOW_IDX,
+ SEC_DEV_ALG_BITMAP_HIGH_IDX,
+};
+
+void sec_destroy_qps(struct hisi_qp **qps, int qp_num);
+struct hisi_qp **sec_create_qps(void);
+int sec_register_to_crypto(struct hisi_qm *qm);
+void sec_unregister_from_crypto(struct hisi_qm *qm);
+u64 sec_get_alg_bitmap(struct hisi_qm *qm, u32 high, u32 low);
+#endif
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
new file mode 100644
index 000000000..cae7c414b
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -0,0 +1,2576 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#include <crypto/aes.h>
+#include <crypto/aead.h>
+#include <crypto/algapi.h>
+#include <crypto/authenc.h>
+#include <crypto/des.h>
+#include <crypto/hash.h>
+#include <crypto/internal/aead.h>
+#include <crypto/internal/des.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
+#include <crypto/skcipher.h>
+#include <crypto/xts.h>
+#include <linux/crypto.h>
+#include <linux/dma-mapping.h>
+#include <linux/idr.h>
+
+#include "sec.h"
+#include "sec_crypto.h"
+
+#define SEC_PRIORITY 4001
+#define SEC_XTS_MIN_KEY_SIZE (2 * AES_MIN_KEY_SIZE)
+#define SEC_XTS_MID_KEY_SIZE (3 * AES_MIN_KEY_SIZE)
+#define SEC_XTS_MAX_KEY_SIZE (2 * AES_MAX_KEY_SIZE)
+#define SEC_DES3_2KEY_SIZE (2 * DES_KEY_SIZE)
+#define SEC_DES3_3KEY_SIZE (3 * DES_KEY_SIZE)
+
+/* SEC sqe(bd) bit operational relative MACRO */
+#define SEC_DE_OFFSET 1
+#define SEC_CIPHER_OFFSET 4
+#define SEC_SCENE_OFFSET 3
+#define SEC_DST_SGL_OFFSET 2
+#define SEC_SRC_SGL_OFFSET 7
+#define SEC_CKEY_OFFSET 9
+#define SEC_CMODE_OFFSET 12
+#define SEC_AKEY_OFFSET 5
+#define SEC_AEAD_ALG_OFFSET 11
+#define SEC_AUTH_OFFSET 6
+
+#define SEC_DE_OFFSET_V3 9
+#define SEC_SCENE_OFFSET_V3 5
+#define SEC_CKEY_OFFSET_V3 13
+#define SEC_CTR_CNT_OFFSET 25
+#define SEC_CTR_CNT_ROLLOVER 2
+#define SEC_SRC_SGL_OFFSET_V3 11
+#define SEC_DST_SGL_OFFSET_V3 14
+#define SEC_CALG_OFFSET_V3 4
+#define SEC_AKEY_OFFSET_V3 9
+#define SEC_MAC_OFFSET_V3 4
+#define SEC_AUTH_ALG_OFFSET_V3 15
+#define SEC_CIPHER_AUTH_V3 0xbf
+#define SEC_AUTH_CIPHER_V3 0x40
+#define SEC_FLAG_OFFSET 7
+#define SEC_FLAG_MASK 0x0780
+#define SEC_TYPE_MASK 0x0F
+#define SEC_DONE_MASK 0x0001
+#define SEC_ICV_MASK 0x000E
+#define SEC_SQE_LEN_RATE_MASK 0x3
+
+#define SEC_TOTAL_IV_SZ(depth) (SEC_IV_SIZE * (depth))
+#define SEC_SGL_SGE_NR 128
+#define SEC_CIPHER_AUTH 0xfe
+#define SEC_AUTH_CIPHER 0x1
+#define SEC_MAX_MAC_LEN 64
+#define SEC_MAX_AAD_LEN 65535
+#define SEC_MAX_CCM_AAD_LEN 65279
+#define SEC_TOTAL_MAC_SZ(depth) (SEC_MAX_MAC_LEN * (depth))
+
+#define SEC_PBUF_SZ 512
+#define SEC_PBUF_IV_OFFSET SEC_PBUF_SZ
+#define SEC_PBUF_MAC_OFFSET (SEC_PBUF_SZ + SEC_IV_SIZE)
+#define SEC_PBUF_PKG (SEC_PBUF_SZ + SEC_IV_SIZE + \
+ SEC_MAX_MAC_LEN * 2)
+#define SEC_PBUF_NUM (PAGE_SIZE / SEC_PBUF_PKG)
+#define SEC_PBUF_PAGE_NUM(depth) ((depth) / SEC_PBUF_NUM)
+#define SEC_PBUF_LEFT_SZ(depth) (SEC_PBUF_PKG * ((depth) - \
+ SEC_PBUF_PAGE_NUM(depth) * SEC_PBUF_NUM))
+#define SEC_TOTAL_PBUF_SZ(depth) (PAGE_SIZE * SEC_PBUF_PAGE_NUM(depth) + \
+ SEC_PBUF_LEFT_SZ(depth))
+
+#define SEC_SQE_LEN_RATE 4
+#define SEC_SQE_CFLAG 2
+#define SEC_SQE_AEAD_FLAG 3
+#define SEC_SQE_DONE 0x1
+#define SEC_ICV_ERR 0x2
+#define MIN_MAC_LEN 4
+#define MAC_LEN_MASK 0x1U
+#define MAX_INPUT_DATA_LEN 0xFFFE00
+#define BITS_MASK 0xFF
+#define BYTE_BITS 0x8
+#define SEC_XTS_NAME_SZ 0x3
+#define IV_CM_CAL_NUM 2
+#define IV_CL_MASK 0x7
+#define IV_CL_MIN 2
+#define IV_CL_MID 4
+#define IV_CL_MAX 8
+#define IV_FLAGS_OFFSET 0x6
+#define IV_CM_OFFSET 0x3
+#define IV_LAST_BYTE1 1
+#define IV_LAST_BYTE2 2
+#define IV_LAST_BYTE_MASK 0xFF
+#define IV_CTR_INIT 0x1
+#define IV_BYTE_OFFSET 0x8
+
+struct sec_skcipher {
+ u64 alg_msk;
+ struct skcipher_alg alg;
+};
+
+struct sec_aead {
+ u64 alg_msk;
+ struct aead_alg alg;
+};
+
+/* Get an en/de-cipher queue cyclically to balance load over queues of TFM */
+static inline int sec_alloc_queue_id(struct sec_ctx *ctx, struct sec_req *req)
+{
+ if (req->c_req.encrypt)
+ return (u32)atomic_inc_return(&ctx->enc_qcyclic) %
+ ctx->hlf_q_num;
+
+ return (u32)atomic_inc_return(&ctx->dec_qcyclic) % ctx->hlf_q_num +
+ ctx->hlf_q_num;
+}
+
+static inline void sec_free_queue_id(struct sec_ctx *ctx, struct sec_req *req)
+{
+ if (req->c_req.encrypt)
+ atomic_dec(&ctx->enc_qcyclic);
+ else
+ atomic_dec(&ctx->dec_qcyclic);
+}
+
+static int sec_alloc_req_id(struct sec_req *req, struct sec_qp_ctx *qp_ctx)
+{
+ int req_id;
+
+ spin_lock_bh(&qp_ctx->req_lock);
+ req_id = idr_alloc_cyclic(&qp_ctx->req_idr, NULL, 0, qp_ctx->qp->sq_depth, GFP_ATOMIC);
+ spin_unlock_bh(&qp_ctx->req_lock);
+ if (unlikely(req_id < 0)) {
+ dev_err(req->ctx->dev, "alloc req id fail!\n");
+ return req_id;
+ }
+
+ req->qp_ctx = qp_ctx;
+ qp_ctx->req_list[req_id] = req;
+
+ return req_id;
+}
+
+static void sec_free_req_id(struct sec_req *req)
+{
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ int req_id = req->req_id;
+
+ if (unlikely(req_id < 0 || req_id >= qp_ctx->qp->sq_depth)) {
+ dev_err(req->ctx->dev, "free request id invalid!\n");
+ return;
+ }
+
+ qp_ctx->req_list[req_id] = NULL;
+ req->qp_ctx = NULL;
+
+ spin_lock_bh(&qp_ctx->req_lock);
+ idr_remove(&qp_ctx->req_idr, req_id);
+ spin_unlock_bh(&qp_ctx->req_lock);
+}
+
+static u8 pre_parse_finished_bd(struct bd_status *status, void *resp)
+{
+ struct sec_sqe *bd = resp;
+
+ status->done = le16_to_cpu(bd->type2.done_flag) & SEC_DONE_MASK;
+ status->icv = (le16_to_cpu(bd->type2.done_flag) & SEC_ICV_MASK) >> 1;
+ status->flag = (le16_to_cpu(bd->type2.done_flag) &
+ SEC_FLAG_MASK) >> SEC_FLAG_OFFSET;
+ status->tag = le16_to_cpu(bd->type2.tag);
+ status->err_type = bd->type2.error_type;
+
+ return bd->type_cipher_auth & SEC_TYPE_MASK;
+}
+
+static u8 pre_parse_finished_bd3(struct bd_status *status, void *resp)
+{
+ struct sec_sqe3 *bd3 = resp;
+
+ status->done = le16_to_cpu(bd3->done_flag) & SEC_DONE_MASK;
+ status->icv = (le16_to_cpu(bd3->done_flag) & SEC_ICV_MASK) >> 1;
+ status->flag = (le16_to_cpu(bd3->done_flag) &
+ SEC_FLAG_MASK) >> SEC_FLAG_OFFSET;
+ status->tag = le64_to_cpu(bd3->tag);
+ status->err_type = bd3->error_type;
+
+ return le32_to_cpu(bd3->bd_param) & SEC_TYPE_MASK;
+}
+
+static int sec_cb_status_check(struct sec_req *req,
+ struct bd_status *status)
+{
+ struct sec_ctx *ctx = req->ctx;
+
+ if (unlikely(req->err_type || status->done != SEC_SQE_DONE)) {
+ dev_err_ratelimited(ctx->dev, "err_type[%d], done[%u]\n",
+ req->err_type, status->done);
+ return -EIO;
+ }
+
+ if (unlikely(ctx->alg_type == SEC_SKCIPHER)) {
+ if (unlikely(status->flag != SEC_SQE_CFLAG)) {
+ dev_err_ratelimited(ctx->dev, "flag[%u]\n",
+ status->flag);
+ return -EIO;
+ }
+ } else if (unlikely(ctx->alg_type == SEC_AEAD)) {
+ if (unlikely(status->flag != SEC_SQE_AEAD_FLAG ||
+ status->icv == SEC_ICV_ERR)) {
+ dev_err_ratelimited(ctx->dev,
+ "flag[%u], icv[%u]\n",
+ status->flag, status->icv);
+ return -EBADMSG;
+ }
+ }
+
+ return 0;
+}
+
+static void sec_req_cb(struct hisi_qp *qp, void *resp)
+{
+ struct sec_qp_ctx *qp_ctx = qp->qp_ctx;
+ struct sec_dfx *dfx = &qp_ctx->ctx->sec->debug.dfx;
+ u8 type_supported = qp_ctx->ctx->type_supported;
+ struct bd_status status;
+ struct sec_ctx *ctx;
+ struct sec_req *req;
+ int err;
+ u8 type;
+
+ if (type_supported == SEC_BD_TYPE2) {
+ type = pre_parse_finished_bd(&status, resp);
+ req = qp_ctx->req_list[status.tag];
+ } else {
+ type = pre_parse_finished_bd3(&status, resp);
+ req = (void *)(uintptr_t)status.tag;
+ }
+
+ if (unlikely(type != type_supported)) {
+ atomic64_inc(&dfx->err_bd_cnt);
+ pr_err("err bd type [%u]\n", type);
+ return;
+ }
+
+ if (unlikely(!req)) {
+ atomic64_inc(&dfx->invalid_req_cnt);
+ atomic_inc(&qp->qp_status.used);
+ return;
+ }
+
+ req->err_type = status.err_type;
+ ctx = req->ctx;
+ err = sec_cb_status_check(req, &status);
+ if (err)
+ atomic64_inc(&dfx->done_flag_cnt);
+
+ atomic64_inc(&dfx->recv_cnt);
+
+ ctx->req_op->buf_unmap(ctx, req);
+
+ ctx->req_op->callback(ctx, req, err);
+}
+
+static int sec_bd_send(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ int ret;
+
+ if (ctx->fake_req_limit <=
+ atomic_read(&qp_ctx->qp->qp_status.used) &&
+ !(req->flag & CRYPTO_TFM_REQ_MAY_BACKLOG))
+ return -EBUSY;
+
+ spin_lock_bh(&qp_ctx->req_lock);
+ ret = hisi_qp_send(qp_ctx->qp, &req->sec_sqe);
+
+ if (ctx->fake_req_limit <=
+ atomic_read(&qp_ctx->qp->qp_status.used) && !ret) {
+ list_add_tail(&req->backlog_head, &qp_ctx->backlog);
+ atomic64_inc(&ctx->sec->debug.dfx.send_cnt);
+ atomic64_inc(&ctx->sec->debug.dfx.send_busy_cnt);
+ spin_unlock_bh(&qp_ctx->req_lock);
+ return -EBUSY;
+ }
+ spin_unlock_bh(&qp_ctx->req_lock);
+
+ if (unlikely(ret == -EBUSY))
+ return -ENOBUFS;
+
+ if (likely(!ret)) {
+ ret = -EINPROGRESS;
+ atomic64_inc(&ctx->sec->debug.dfx.send_cnt);
+ }
+
+ return ret;
+}
+
+/* Get DMA memory resources */
+static int sec_alloc_civ_resource(struct device *dev, struct sec_alg_res *res)
+{
+ u16 q_depth = res->depth;
+ int i;
+
+ res->c_ivin = dma_alloc_coherent(dev, SEC_TOTAL_IV_SZ(q_depth),
+ &res->c_ivin_dma, GFP_KERNEL);
+ if (!res->c_ivin)
+ return -ENOMEM;
+
+ for (i = 1; i < q_depth; i++) {
+ res[i].c_ivin_dma = res->c_ivin_dma + i * SEC_IV_SIZE;
+ res[i].c_ivin = res->c_ivin + i * SEC_IV_SIZE;
+ }
+
+ return 0;
+}
+
+static void sec_free_civ_resource(struct device *dev, struct sec_alg_res *res)
+{
+ if (res->c_ivin)
+ dma_free_coherent(dev, SEC_TOTAL_IV_SZ(res->depth),
+ res->c_ivin, res->c_ivin_dma);
+}
+
+static int sec_alloc_aiv_resource(struct device *dev, struct sec_alg_res *res)
+{
+ u16 q_depth = res->depth;
+ int i;
+
+ res->a_ivin = dma_alloc_coherent(dev, SEC_TOTAL_IV_SZ(q_depth),
+ &res->a_ivin_dma, GFP_KERNEL);
+ if (!res->a_ivin)
+ return -ENOMEM;
+
+ for (i = 1; i < q_depth; i++) {
+ res[i].a_ivin_dma = res->a_ivin_dma + i * SEC_IV_SIZE;
+ res[i].a_ivin = res->a_ivin + i * SEC_IV_SIZE;
+ }
+
+ return 0;
+}
+
+static void sec_free_aiv_resource(struct device *dev, struct sec_alg_res *res)
+{
+ if (res->a_ivin)
+ dma_free_coherent(dev, SEC_TOTAL_IV_SZ(res->depth),
+ res->a_ivin, res->a_ivin_dma);
+}
+
+static int sec_alloc_mac_resource(struct device *dev, struct sec_alg_res *res)
+{
+ u16 q_depth = res->depth;
+ int i;
+
+ res->out_mac = dma_alloc_coherent(dev, SEC_TOTAL_MAC_SZ(q_depth) << 1,
+ &res->out_mac_dma, GFP_KERNEL);
+ if (!res->out_mac)
+ return -ENOMEM;
+
+ for (i = 1; i < q_depth; i++) {
+ res[i].out_mac_dma = res->out_mac_dma +
+ i * (SEC_MAX_MAC_LEN << 1);
+ res[i].out_mac = res->out_mac + i * (SEC_MAX_MAC_LEN << 1);
+ }
+
+ return 0;
+}
+
+static void sec_free_mac_resource(struct device *dev, struct sec_alg_res *res)
+{
+ if (res->out_mac)
+ dma_free_coherent(dev, SEC_TOTAL_MAC_SZ(res->depth) << 1,
+ res->out_mac, res->out_mac_dma);
+}
+
+static void sec_free_pbuf_resource(struct device *dev, struct sec_alg_res *res)
+{
+ if (res->pbuf)
+ dma_free_coherent(dev, SEC_TOTAL_PBUF_SZ(res->depth),
+ res->pbuf, res->pbuf_dma);
+}
+
+/*
+ * To improve performance, pbuffer is used for
+ * small packets (< 512Bytes) as IOMMU translation using.
+ */
+static int sec_alloc_pbuf_resource(struct device *dev, struct sec_alg_res *res)
+{
+ u16 q_depth = res->depth;
+ int size = SEC_PBUF_PAGE_NUM(q_depth);
+ int pbuf_page_offset;
+ int i, j, k;
+
+ res->pbuf = dma_alloc_coherent(dev, SEC_TOTAL_PBUF_SZ(q_depth),
+ &res->pbuf_dma, GFP_KERNEL);
+ if (!res->pbuf)
+ return -ENOMEM;
+
+ /*
+ * SEC_PBUF_PKG contains data pbuf, iv and
+ * out_mac : <SEC_PBUF|SEC_IV|SEC_MAC>
+ * Every PAGE contains six SEC_PBUF_PKG
+ * The sec_qp_ctx contains QM_Q_DEPTH numbers of SEC_PBUF_PKG
+ * So we need SEC_PBUF_PAGE_NUM numbers of PAGE
+ * for the SEC_TOTAL_PBUF_SZ
+ */
+ for (i = 0; i <= size; i++) {
+ pbuf_page_offset = PAGE_SIZE * i;
+ for (j = 0; j < SEC_PBUF_NUM; j++) {
+ k = i * SEC_PBUF_NUM + j;
+ if (k == q_depth)
+ break;
+ res[k].pbuf = res->pbuf +
+ j * SEC_PBUF_PKG + pbuf_page_offset;
+ res[k].pbuf_dma = res->pbuf_dma +
+ j * SEC_PBUF_PKG + pbuf_page_offset;
+ }
+ }
+
+ return 0;
+}
+
+static int sec_alg_resource_alloc(struct sec_ctx *ctx,
+ struct sec_qp_ctx *qp_ctx)
+{
+ struct sec_alg_res *res = qp_ctx->res;
+ struct device *dev = ctx->dev;
+ int ret;
+
+ ret = sec_alloc_civ_resource(dev, res);
+ if (ret)
+ return ret;
+
+ if (ctx->alg_type == SEC_AEAD) {
+ ret = sec_alloc_aiv_resource(dev, res);
+ if (ret)
+ goto alloc_aiv_fail;
+
+ ret = sec_alloc_mac_resource(dev, res);
+ if (ret)
+ goto alloc_mac_fail;
+ }
+ if (ctx->pbuf_supported) {
+ ret = sec_alloc_pbuf_resource(dev, res);
+ if (ret) {
+ dev_err(dev, "fail to alloc pbuf dma resource!\n");
+ goto alloc_pbuf_fail;
+ }
+ }
+
+ return 0;
+
+alloc_pbuf_fail:
+ if (ctx->alg_type == SEC_AEAD)
+ sec_free_mac_resource(dev, qp_ctx->res);
+alloc_mac_fail:
+ if (ctx->alg_type == SEC_AEAD)
+ sec_free_aiv_resource(dev, res);
+alloc_aiv_fail:
+ sec_free_civ_resource(dev, res);
+ return ret;
+}
+
+static void sec_alg_resource_free(struct sec_ctx *ctx,
+ struct sec_qp_ctx *qp_ctx)
+{
+ struct device *dev = ctx->dev;
+
+ sec_free_civ_resource(dev, qp_ctx->res);
+
+ if (ctx->pbuf_supported)
+ sec_free_pbuf_resource(dev, qp_ctx->res);
+ if (ctx->alg_type == SEC_AEAD)
+ sec_free_mac_resource(dev, qp_ctx->res);
+}
+
+static int sec_alloc_qp_ctx_resource(struct hisi_qm *qm, struct sec_ctx *ctx,
+ struct sec_qp_ctx *qp_ctx)
+{
+ u16 q_depth = qp_ctx->qp->sq_depth;
+ struct device *dev = ctx->dev;
+ int ret = -ENOMEM;
+
+ qp_ctx->req_list = kcalloc(q_depth, sizeof(struct sec_req *), GFP_KERNEL);
+ if (!qp_ctx->req_list)
+ return ret;
+
+ qp_ctx->res = kcalloc(q_depth, sizeof(struct sec_alg_res), GFP_KERNEL);
+ if (!qp_ctx->res)
+ goto err_free_req_list;
+ qp_ctx->res->depth = q_depth;
+
+ qp_ctx->c_in_pool = hisi_acc_create_sgl_pool(dev, q_depth, SEC_SGL_SGE_NR);
+ if (IS_ERR(qp_ctx->c_in_pool)) {
+ dev_err(dev, "fail to create sgl pool for input!\n");
+ goto err_free_res;
+ }
+
+ qp_ctx->c_out_pool = hisi_acc_create_sgl_pool(dev, q_depth, SEC_SGL_SGE_NR);
+ if (IS_ERR(qp_ctx->c_out_pool)) {
+ dev_err(dev, "fail to create sgl pool for output!\n");
+ goto err_free_c_in_pool;
+ }
+
+ ret = sec_alg_resource_alloc(ctx, qp_ctx);
+ if (ret)
+ goto err_free_c_out_pool;
+
+ return 0;
+
+err_free_c_out_pool:
+ hisi_acc_free_sgl_pool(dev, qp_ctx->c_out_pool);
+err_free_c_in_pool:
+ hisi_acc_free_sgl_pool(dev, qp_ctx->c_in_pool);
+err_free_res:
+ kfree(qp_ctx->res);
+err_free_req_list:
+ kfree(qp_ctx->req_list);
+ return ret;
+}
+
+static void sec_free_qp_ctx_resource(struct sec_ctx *ctx, struct sec_qp_ctx *qp_ctx)
+{
+ struct device *dev = ctx->dev;
+
+ sec_alg_resource_free(ctx, qp_ctx);
+ hisi_acc_free_sgl_pool(dev, qp_ctx->c_out_pool);
+ hisi_acc_free_sgl_pool(dev, qp_ctx->c_in_pool);
+ kfree(qp_ctx->res);
+ kfree(qp_ctx->req_list);
+}
+
+static int sec_create_qp_ctx(struct hisi_qm *qm, struct sec_ctx *ctx,
+ int qp_ctx_id, int alg_type)
+{
+ struct sec_qp_ctx *qp_ctx;
+ struct hisi_qp *qp;
+ int ret;
+
+ qp_ctx = &ctx->qp_ctx[qp_ctx_id];
+ qp = ctx->qps[qp_ctx_id];
+ qp->req_type = 0;
+ qp->qp_ctx = qp_ctx;
+ qp_ctx->qp = qp;
+ qp_ctx->ctx = ctx;
+
+ qp->req_cb = sec_req_cb;
+
+ spin_lock_init(&qp_ctx->req_lock);
+ idr_init(&qp_ctx->req_idr);
+ INIT_LIST_HEAD(&qp_ctx->backlog);
+
+ ret = sec_alloc_qp_ctx_resource(qm, ctx, qp_ctx);
+ if (ret)
+ goto err_destroy_idr;
+
+ ret = hisi_qm_start_qp(qp, 0);
+ if (ret < 0)
+ goto err_resource_free;
+
+ return 0;
+
+err_resource_free:
+ sec_free_qp_ctx_resource(ctx, qp_ctx);
+err_destroy_idr:
+ idr_destroy(&qp_ctx->req_idr);
+ return ret;
+}
+
+static void sec_release_qp_ctx(struct sec_ctx *ctx,
+ struct sec_qp_ctx *qp_ctx)
+{
+ hisi_qm_stop_qp(qp_ctx->qp);
+ sec_free_qp_ctx_resource(ctx, qp_ctx);
+ idr_destroy(&qp_ctx->req_idr);
+}
+
+static int sec_ctx_base_init(struct sec_ctx *ctx)
+{
+ struct sec_dev *sec;
+ int i, ret;
+
+ ctx->qps = sec_create_qps();
+ if (!ctx->qps) {
+ pr_err("Can not create sec qps!\n");
+ return -ENODEV;
+ }
+
+ sec = container_of(ctx->qps[0]->qm, struct sec_dev, qm);
+ ctx->sec = sec;
+ ctx->dev = &sec->qm.pdev->dev;
+ ctx->hlf_q_num = sec->ctx_q_num >> 1;
+
+ ctx->pbuf_supported = ctx->sec->iommu_used;
+
+ /* Half of queue depth is taken as fake requests limit in the queue. */
+ ctx->fake_req_limit = ctx->qps[0]->sq_depth >> 1;
+ ctx->qp_ctx = kcalloc(sec->ctx_q_num, sizeof(struct sec_qp_ctx),
+ GFP_KERNEL);
+ if (!ctx->qp_ctx) {
+ ret = -ENOMEM;
+ goto err_destroy_qps;
+ }
+
+ for (i = 0; i < sec->ctx_q_num; i++) {
+ ret = sec_create_qp_ctx(&sec->qm, ctx, i, 0);
+ if (ret)
+ goto err_sec_release_qp_ctx;
+ }
+
+ return 0;
+
+err_sec_release_qp_ctx:
+ for (i = i - 1; i >= 0; i--)
+ sec_release_qp_ctx(ctx, &ctx->qp_ctx[i]);
+ kfree(ctx->qp_ctx);
+err_destroy_qps:
+ sec_destroy_qps(ctx->qps, sec->ctx_q_num);
+ return ret;
+}
+
+static void sec_ctx_base_uninit(struct sec_ctx *ctx)
+{
+ int i;
+
+ for (i = 0; i < ctx->sec->ctx_q_num; i++)
+ sec_release_qp_ctx(ctx, &ctx->qp_ctx[i]);
+
+ sec_destroy_qps(ctx->qps, ctx->sec->ctx_q_num);
+ kfree(ctx->qp_ctx);
+}
+
+static int sec_cipher_init(struct sec_ctx *ctx)
+{
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+
+ c_ctx->c_key = dma_alloc_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
+ &c_ctx->c_key_dma, GFP_KERNEL);
+ if (!c_ctx->c_key)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void sec_cipher_uninit(struct sec_ctx *ctx)
+{
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+
+ memzero_explicit(c_ctx->c_key, SEC_MAX_KEY_SIZE);
+ dma_free_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
+ c_ctx->c_key, c_ctx->c_key_dma);
+}
+
+static int sec_auth_init(struct sec_ctx *ctx)
+{
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+
+ a_ctx->a_key = dma_alloc_coherent(ctx->dev, SEC_MAX_AKEY_SIZE,
+ &a_ctx->a_key_dma, GFP_KERNEL);
+ if (!a_ctx->a_key)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void sec_auth_uninit(struct sec_ctx *ctx)
+{
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+
+ memzero_explicit(a_ctx->a_key, SEC_MAX_AKEY_SIZE);
+ dma_free_coherent(ctx->dev, SEC_MAX_AKEY_SIZE,
+ a_ctx->a_key, a_ctx->a_key_dma);
+}
+
+static int sec_skcipher_fbtfm_init(struct crypto_skcipher *tfm)
+{
+ const char *alg = crypto_tfm_alg_name(&tfm->base);
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+
+ c_ctx->fallback = false;
+
+ /* Currently, only XTS mode need fallback tfm when using 192bit key */
+ if (likely(strncmp(alg, "xts", SEC_XTS_NAME_SZ)))
+ return 0;
+
+ c_ctx->fbtfm = crypto_alloc_sync_skcipher(alg, 0,
+ CRYPTO_ALG_NEED_FALLBACK);
+ if (IS_ERR(c_ctx->fbtfm)) {
+ pr_err("failed to alloc xts mode fallback tfm!\n");
+ return PTR_ERR(c_ctx->fbtfm);
+ }
+
+ return 0;
+}
+
+static int sec_skcipher_init(struct crypto_skcipher *tfm)
+{
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int ret;
+
+ ctx->alg_type = SEC_SKCIPHER;
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct sec_req));
+ ctx->c_ctx.ivsize = crypto_skcipher_ivsize(tfm);
+ if (ctx->c_ctx.ivsize > SEC_IV_SIZE) {
+ pr_err("get error skcipher iv size!\n");
+ return -EINVAL;
+ }
+
+ ret = sec_ctx_base_init(ctx);
+ if (ret)
+ return ret;
+
+ ret = sec_cipher_init(ctx);
+ if (ret)
+ goto err_cipher_init;
+
+ ret = sec_skcipher_fbtfm_init(tfm);
+ if (ret)
+ goto err_fbtfm_init;
+
+ return 0;
+
+err_fbtfm_init:
+ sec_cipher_uninit(ctx);
+err_cipher_init:
+ sec_ctx_base_uninit(ctx);
+ return ret;
+}
+
+static void sec_skcipher_uninit(struct crypto_skcipher *tfm)
+{
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ if (ctx->c_ctx.fbtfm)
+ crypto_free_sync_skcipher(ctx->c_ctx.fbtfm);
+
+ sec_cipher_uninit(ctx);
+ sec_ctx_base_uninit(ctx);
+}
+
+static int sec_skcipher_3des_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ const u32 keylen,
+ const enum sec_cmode c_mode)
+{
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ int ret;
+
+ ret = verify_skcipher_des3_key(tfm, key);
+ if (ret)
+ return ret;
+
+ switch (keylen) {
+ case SEC_DES3_2KEY_SIZE:
+ c_ctx->c_key_len = SEC_CKEY_3DES_2KEY;
+ break;
+ case SEC_DES3_3KEY_SIZE:
+ c_ctx->c_key_len = SEC_CKEY_3DES_3KEY;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int sec_skcipher_aes_sm4_setkey(struct sec_cipher_ctx *c_ctx,
+ const u32 keylen,
+ const enum sec_cmode c_mode)
+{
+ if (c_mode == SEC_CMODE_XTS) {
+ switch (keylen) {
+ case SEC_XTS_MIN_KEY_SIZE:
+ c_ctx->c_key_len = SEC_CKEY_128BIT;
+ break;
+ case SEC_XTS_MID_KEY_SIZE:
+ c_ctx->fallback = true;
+ break;
+ case SEC_XTS_MAX_KEY_SIZE:
+ c_ctx->c_key_len = SEC_CKEY_256BIT;
+ break;
+ default:
+ pr_err("hisi_sec2: xts mode key error!\n");
+ return -EINVAL;
+ }
+ } else {
+ if (c_ctx->c_alg == SEC_CALG_SM4 &&
+ keylen != AES_KEYSIZE_128) {
+ pr_err("hisi_sec2: sm4 key error!\n");
+ return -EINVAL;
+ } else {
+ switch (keylen) {
+ case AES_KEYSIZE_128:
+ c_ctx->c_key_len = SEC_CKEY_128BIT;
+ break;
+ case AES_KEYSIZE_192:
+ c_ctx->c_key_len = SEC_CKEY_192BIT;
+ break;
+ case AES_KEYSIZE_256:
+ c_ctx->c_key_len = SEC_CKEY_256BIT;
+ break;
+ default:
+ pr_err("hisi_sec2: aes key error!\n");
+ return -EINVAL;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int sec_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ const u32 keylen, const enum sec_calg c_alg,
+ const enum sec_cmode c_mode)
+{
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ struct device *dev = ctx->dev;
+ int ret;
+
+ if (c_mode == SEC_CMODE_XTS) {
+ ret = xts_verify_key(tfm, key, keylen);
+ if (ret) {
+ dev_err(dev, "xts mode key err!\n");
+ return ret;
+ }
+ }
+
+ c_ctx->c_alg = c_alg;
+ c_ctx->c_mode = c_mode;
+
+ switch (c_alg) {
+ case SEC_CALG_3DES:
+ ret = sec_skcipher_3des_setkey(tfm, key, keylen, c_mode);
+ break;
+ case SEC_CALG_AES:
+ case SEC_CALG_SM4:
+ ret = sec_skcipher_aes_sm4_setkey(c_ctx, keylen, c_mode);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (ret) {
+ dev_err(dev, "set sec key err!\n");
+ return ret;
+ }
+
+ memcpy(c_ctx->c_key, key, keylen);
+ if (c_ctx->fallback && c_ctx->fbtfm) {
+ ret = crypto_sync_skcipher_setkey(c_ctx->fbtfm, key, keylen);
+ if (ret) {
+ dev_err(dev, "failed to set fallback skcipher key!\n");
+ return ret;
+ }
+ }
+ return 0;
+}
+
+#define GEN_SEC_SETKEY_FUNC(name, c_alg, c_mode) \
+static int sec_setkey_##name(struct crypto_skcipher *tfm, const u8 *key,\
+ u32 keylen) \
+{ \
+ return sec_skcipher_setkey(tfm, key, keylen, c_alg, c_mode); \
+}
+
+GEN_SEC_SETKEY_FUNC(aes_ecb, SEC_CALG_AES, SEC_CMODE_ECB)
+GEN_SEC_SETKEY_FUNC(aes_cbc, SEC_CALG_AES, SEC_CMODE_CBC)
+GEN_SEC_SETKEY_FUNC(aes_xts, SEC_CALG_AES, SEC_CMODE_XTS)
+GEN_SEC_SETKEY_FUNC(aes_ofb, SEC_CALG_AES, SEC_CMODE_OFB)
+GEN_SEC_SETKEY_FUNC(aes_cfb, SEC_CALG_AES, SEC_CMODE_CFB)
+GEN_SEC_SETKEY_FUNC(aes_ctr, SEC_CALG_AES, SEC_CMODE_CTR)
+GEN_SEC_SETKEY_FUNC(3des_ecb, SEC_CALG_3DES, SEC_CMODE_ECB)
+GEN_SEC_SETKEY_FUNC(3des_cbc, SEC_CALG_3DES, SEC_CMODE_CBC)
+GEN_SEC_SETKEY_FUNC(sm4_xts, SEC_CALG_SM4, SEC_CMODE_XTS)
+GEN_SEC_SETKEY_FUNC(sm4_cbc, SEC_CALG_SM4, SEC_CMODE_CBC)
+GEN_SEC_SETKEY_FUNC(sm4_ofb, SEC_CALG_SM4, SEC_CMODE_OFB)
+GEN_SEC_SETKEY_FUNC(sm4_cfb, SEC_CALG_SM4, SEC_CMODE_CFB)
+GEN_SEC_SETKEY_FUNC(sm4_ctr, SEC_CALG_SM4, SEC_CMODE_CTR)
+
+static int sec_cipher_pbuf_map(struct sec_ctx *ctx, struct sec_req *req,
+ struct scatterlist *src)
+{
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct aead_request *aead_req = a_req->aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ struct device *dev = ctx->dev;
+ int copy_size, pbuf_length;
+ int req_id = req->req_id;
+ struct crypto_aead *tfm;
+ size_t authsize;
+ u8 *mac_offset;
+
+ if (ctx->alg_type == SEC_AEAD)
+ copy_size = aead_req->cryptlen + aead_req->assoclen;
+ else
+ copy_size = c_req->c_len;
+
+ pbuf_length = sg_copy_to_buffer(src, sg_nents(src),
+ qp_ctx->res[req_id].pbuf, copy_size);
+ if (unlikely(pbuf_length != copy_size)) {
+ dev_err(dev, "copy src data to pbuf error!\n");
+ return -EINVAL;
+ }
+ if (!c_req->encrypt && ctx->alg_type == SEC_AEAD) {
+ tfm = crypto_aead_reqtfm(aead_req);
+ authsize = crypto_aead_authsize(tfm);
+ mac_offset = qp_ctx->res[req_id].pbuf + copy_size - authsize;
+ memcpy(a_req->out_mac, mac_offset, authsize);
+ }
+
+ req->in_dma = qp_ctx->res[req_id].pbuf_dma;
+ c_req->c_out_dma = req->in_dma;
+
+ return 0;
+}
+
+static void sec_cipher_pbuf_unmap(struct sec_ctx *ctx, struct sec_req *req,
+ struct scatterlist *dst)
+{
+ struct aead_request *aead_req = req->aead_req.aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ int copy_size, pbuf_length;
+ int req_id = req->req_id;
+
+ if (ctx->alg_type == SEC_AEAD)
+ copy_size = c_req->c_len + aead_req->assoclen;
+ else
+ copy_size = c_req->c_len;
+
+ pbuf_length = sg_copy_from_buffer(dst, sg_nents(dst),
+ qp_ctx->res[req_id].pbuf, copy_size);
+ if (unlikely(pbuf_length != copy_size))
+ dev_err(ctx->dev, "copy pbuf data to dst error!\n");
+}
+
+static int sec_aead_mac_init(struct sec_aead_req *req)
+{
+ struct aead_request *aead_req = req->aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aead_req);
+ size_t authsize = crypto_aead_authsize(tfm);
+ u8 *mac_out = req->out_mac;
+ struct scatterlist *sgl = aead_req->src;
+ size_t copy_size;
+ off_t skip_size;
+
+ /* Copy input mac */
+ skip_size = aead_req->assoclen + aead_req->cryptlen - authsize;
+ copy_size = sg_pcopy_to_buffer(sgl, sg_nents(sgl), mac_out,
+ authsize, skip_size);
+ if (unlikely(copy_size != authsize))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sec_cipher_map(struct sec_ctx *ctx, struct sec_req *req,
+ struct scatterlist *src, struct scatterlist *dst)
+{
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ struct sec_alg_res *res = &qp_ctx->res[req->req_id];
+ struct device *dev = ctx->dev;
+ int ret;
+
+ if (req->use_pbuf) {
+ c_req->c_ivin = res->pbuf + SEC_PBUF_IV_OFFSET;
+ c_req->c_ivin_dma = res->pbuf_dma + SEC_PBUF_IV_OFFSET;
+ if (ctx->alg_type == SEC_AEAD) {
+ a_req->a_ivin = res->a_ivin;
+ a_req->a_ivin_dma = res->a_ivin_dma;
+ a_req->out_mac = res->pbuf + SEC_PBUF_MAC_OFFSET;
+ a_req->out_mac_dma = res->pbuf_dma +
+ SEC_PBUF_MAC_OFFSET;
+ }
+ ret = sec_cipher_pbuf_map(ctx, req, src);
+
+ return ret;
+ }
+ c_req->c_ivin = res->c_ivin;
+ c_req->c_ivin_dma = res->c_ivin_dma;
+ if (ctx->alg_type == SEC_AEAD) {
+ a_req->a_ivin = res->a_ivin;
+ a_req->a_ivin_dma = res->a_ivin_dma;
+ a_req->out_mac = res->out_mac;
+ a_req->out_mac_dma = res->out_mac_dma;
+ }
+
+ req->in = hisi_acc_sg_buf_map_to_hw_sgl(dev, src,
+ qp_ctx->c_in_pool,
+ req->req_id,
+ &req->in_dma);
+ if (IS_ERR(req->in)) {
+ dev_err(dev, "fail to dma map input sgl buffers!\n");
+ return PTR_ERR(req->in);
+ }
+
+ if (!c_req->encrypt && ctx->alg_type == SEC_AEAD) {
+ ret = sec_aead_mac_init(a_req);
+ if (unlikely(ret)) {
+ dev_err(dev, "fail to init mac data for ICV!\n");
+ return ret;
+ }
+ }
+
+ if (dst == src) {
+ c_req->c_out = req->in;
+ c_req->c_out_dma = req->in_dma;
+ } else {
+ c_req->c_out = hisi_acc_sg_buf_map_to_hw_sgl(dev, dst,
+ qp_ctx->c_out_pool,
+ req->req_id,
+ &c_req->c_out_dma);
+
+ if (IS_ERR(c_req->c_out)) {
+ dev_err(dev, "fail to dma map output sgl buffers!\n");
+ hisi_acc_sg_buf_unmap(dev, src, req->in);
+ return PTR_ERR(c_req->c_out);
+ }
+ }
+
+ return 0;
+}
+
+static void sec_cipher_unmap(struct sec_ctx *ctx, struct sec_req *req,
+ struct scatterlist *src, struct scatterlist *dst)
+{
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct device *dev = ctx->dev;
+
+ if (req->use_pbuf) {
+ sec_cipher_pbuf_unmap(ctx, req, dst);
+ } else {
+ if (dst != src)
+ hisi_acc_sg_buf_unmap(dev, src, req->in);
+
+ hisi_acc_sg_buf_unmap(dev, dst, c_req->c_out);
+ }
+}
+
+static int sec_skcipher_sgl_map(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct skcipher_request *sq = req->c_req.sk_req;
+
+ return sec_cipher_map(ctx, req, sq->src, sq->dst);
+}
+
+static void sec_skcipher_sgl_unmap(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct skcipher_request *sq = req->c_req.sk_req;
+
+ sec_cipher_unmap(ctx, req, sq->src, sq->dst);
+}
+
+static int sec_aead_aes_set_key(struct sec_cipher_ctx *c_ctx,
+ struct crypto_authenc_keys *keys)
+{
+ switch (keys->enckeylen) {
+ case AES_KEYSIZE_128:
+ c_ctx->c_key_len = SEC_CKEY_128BIT;
+ break;
+ case AES_KEYSIZE_192:
+ c_ctx->c_key_len = SEC_CKEY_192BIT;
+ break;
+ case AES_KEYSIZE_256:
+ c_ctx->c_key_len = SEC_CKEY_256BIT;
+ break;
+ default:
+ pr_err("hisi_sec2: aead aes key error!\n");
+ return -EINVAL;
+ }
+ memcpy(c_ctx->c_key, keys->enckey, keys->enckeylen);
+
+ return 0;
+}
+
+static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
+ struct crypto_authenc_keys *keys)
+{
+ struct crypto_shash *hash_tfm = ctx->hash_tfm;
+ int blocksize, digestsize, ret;
+
+ if (!keys->authkeylen) {
+ pr_err("hisi_sec2: aead auth key error!\n");
+ return -EINVAL;
+ }
+
+ blocksize = crypto_shash_blocksize(hash_tfm);
+ digestsize = crypto_shash_digestsize(hash_tfm);
+ if (keys->authkeylen > blocksize) {
+ ret = crypto_shash_tfm_digest(hash_tfm, keys->authkey,
+ keys->authkeylen, ctx->a_key);
+ if (ret) {
+ pr_err("hisi_sec2: aead auth digest error!\n");
+ return -EINVAL;
+ }
+ ctx->a_key_len = digestsize;
+ } else {
+ memcpy(ctx->a_key, keys->authkey, keys->authkeylen);
+ ctx->a_key_len = keys->authkeylen;
+ }
+
+ return 0;
+}
+
+static int sec_aead_setauthsize(struct crypto_aead *aead, unsigned int authsize)
+{
+ struct crypto_tfm *tfm = crypto_aead_tfm(aead);
+ struct sec_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+
+ if (unlikely(a_ctx->fallback_aead_tfm))
+ return crypto_aead_setauthsize(a_ctx->fallback_aead_tfm, authsize);
+
+ return 0;
+}
+
+static int sec_aead_fallback_setkey(struct sec_auth_ctx *a_ctx,
+ struct crypto_aead *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ crypto_aead_clear_flags(a_ctx->fallback_aead_tfm, CRYPTO_TFM_REQ_MASK);
+ crypto_aead_set_flags(a_ctx->fallback_aead_tfm,
+ crypto_aead_get_flags(tfm) & CRYPTO_TFM_REQ_MASK);
+ return crypto_aead_setkey(a_ctx->fallback_aead_tfm, key, keylen);
+}
+
+static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
+ const u32 keylen, const enum sec_hash_alg a_alg,
+ const enum sec_calg c_alg,
+ const enum sec_mac_len mac_len,
+ const enum sec_cmode c_mode)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+ struct device *dev = ctx->dev;
+ struct crypto_authenc_keys keys;
+ int ret;
+
+ ctx->a_ctx.a_alg = a_alg;
+ ctx->c_ctx.c_alg = c_alg;
+ ctx->a_ctx.mac_len = mac_len;
+ c_ctx->c_mode = c_mode;
+
+ if (c_mode == SEC_CMODE_CCM || c_mode == SEC_CMODE_GCM) {
+ ret = sec_skcipher_aes_sm4_setkey(c_ctx, keylen, c_mode);
+ if (ret) {
+ dev_err(dev, "set sec aes ccm cipher key err!\n");
+ return ret;
+ }
+ memcpy(c_ctx->c_key, key, keylen);
+
+ if (unlikely(a_ctx->fallback_aead_tfm)) {
+ ret = sec_aead_fallback_setkey(a_ctx, tfm, key, keylen);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+ }
+
+ if (crypto_authenc_extractkeys(&keys, key, keylen))
+ goto bad_key;
+
+ ret = sec_aead_aes_set_key(c_ctx, &keys);
+ if (ret) {
+ dev_err(dev, "set sec cipher key err!\n");
+ goto bad_key;
+ }
+
+ ret = sec_aead_auth_set_key(&ctx->a_ctx, &keys);
+ if (ret) {
+ dev_err(dev, "set sec auth key err!\n");
+ goto bad_key;
+ }
+
+ if ((ctx->a_ctx.mac_len & SEC_SQE_LEN_RATE_MASK) ||
+ (ctx->a_ctx.a_key_len & SEC_SQE_LEN_RATE_MASK)) {
+ dev_err(dev, "MAC or AUTH key length error!\n");
+ goto bad_key;
+ }
+
+ return 0;
+
+bad_key:
+ memzero_explicit(&keys, sizeof(struct crypto_authenc_keys));
+ return -EINVAL;
+}
+
+
+#define GEN_SEC_AEAD_SETKEY_FUNC(name, aalg, calg, maclen, cmode) \
+static int sec_setkey_##name(struct crypto_aead *tfm, const u8 *key, \
+ u32 keylen) \
+{ \
+ return sec_aead_setkey(tfm, key, keylen, aalg, calg, maclen, cmode);\
+}
+
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha1, SEC_A_HMAC_SHA1,
+ SEC_CALG_AES, SEC_HMAC_SHA1_MAC, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha256, SEC_A_HMAC_SHA256,
+ SEC_CALG_AES, SEC_HMAC_SHA256_MAC, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha512, SEC_A_HMAC_SHA512,
+ SEC_CALG_AES, SEC_HMAC_SHA512_MAC, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_ccm, 0, SEC_CALG_AES,
+ SEC_HMAC_CCM_MAC, SEC_CMODE_CCM)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_gcm, 0, SEC_CALG_AES,
+ SEC_HMAC_GCM_MAC, SEC_CMODE_GCM)
+GEN_SEC_AEAD_SETKEY_FUNC(sm4_ccm, 0, SEC_CALG_SM4,
+ SEC_HMAC_CCM_MAC, SEC_CMODE_CCM)
+GEN_SEC_AEAD_SETKEY_FUNC(sm4_gcm, 0, SEC_CALG_SM4,
+ SEC_HMAC_GCM_MAC, SEC_CMODE_GCM)
+
+static int sec_aead_sgl_map(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct aead_request *aq = req->aead_req.aead_req;
+
+ return sec_cipher_map(ctx, req, aq->src, aq->dst);
+}
+
+static void sec_aead_sgl_unmap(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct aead_request *aq = req->aead_req.aead_req;
+
+ sec_cipher_unmap(ctx, req, aq->src, aq->dst);
+}
+
+static int sec_request_transfer(struct sec_ctx *ctx, struct sec_req *req)
+{
+ int ret;
+
+ ret = ctx->req_op->buf_map(ctx, req);
+ if (unlikely(ret))
+ return ret;
+
+ ctx->req_op->do_transfer(ctx, req);
+
+ ret = ctx->req_op->bd_fill(ctx, req);
+ if (unlikely(ret))
+ goto unmap_req_buf;
+
+ return ret;
+
+unmap_req_buf:
+ ctx->req_op->buf_unmap(ctx, req);
+ return ret;
+}
+
+static void sec_request_untransfer(struct sec_ctx *ctx, struct sec_req *req)
+{
+ ctx->req_op->buf_unmap(ctx, req);
+}
+
+static void sec_skcipher_copy_iv(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct skcipher_request *sk_req = req->c_req.sk_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+
+ memcpy(c_req->c_ivin, sk_req->iv, ctx->c_ctx.ivsize);
+}
+
+static int sec_skcipher_bd_fill(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_sqe *sec_sqe = &req->sec_sqe;
+ u8 scene, sa_type, da_type;
+ u8 bd_type, cipher;
+ u8 de = 0;
+
+ memset(sec_sqe, 0, sizeof(struct sec_sqe));
+
+ sec_sqe->type2.c_key_addr = cpu_to_le64(c_ctx->c_key_dma);
+ sec_sqe->type2.c_ivin_addr = cpu_to_le64(c_req->c_ivin_dma);
+ sec_sqe->type2.data_src_addr = cpu_to_le64(req->in_dma);
+ sec_sqe->type2.data_dst_addr = cpu_to_le64(c_req->c_out_dma);
+
+ sec_sqe->type2.icvw_kmode |= cpu_to_le16(((u16)c_ctx->c_mode) <<
+ SEC_CMODE_OFFSET);
+ sec_sqe->type2.c_alg = c_ctx->c_alg;
+ sec_sqe->type2.icvw_kmode |= cpu_to_le16(((u16)c_ctx->c_key_len) <<
+ SEC_CKEY_OFFSET);
+
+ bd_type = SEC_BD_TYPE2;
+ if (c_req->encrypt)
+ cipher = SEC_CIPHER_ENC << SEC_CIPHER_OFFSET;
+ else
+ cipher = SEC_CIPHER_DEC << SEC_CIPHER_OFFSET;
+ sec_sqe->type_cipher_auth = bd_type | cipher;
+
+ /* Set destination and source address type */
+ if (req->use_pbuf) {
+ sa_type = SEC_PBUF << SEC_SRC_SGL_OFFSET;
+ da_type = SEC_PBUF << SEC_DST_SGL_OFFSET;
+ } else {
+ sa_type = SEC_SGL << SEC_SRC_SGL_OFFSET;
+ da_type = SEC_SGL << SEC_DST_SGL_OFFSET;
+ }
+
+ sec_sqe->sdm_addr_type |= da_type;
+ scene = SEC_COMM_SCENE << SEC_SCENE_OFFSET;
+ if (req->in_dma != c_req->c_out_dma)
+ de = 0x1 << SEC_DE_OFFSET;
+
+ sec_sqe->sds_sa_type = (de | scene | sa_type);
+
+ sec_sqe->type2.clen_ivhlen |= cpu_to_le32(c_req->c_len);
+ sec_sqe->type2.tag = cpu_to_le16((u16)req->req_id);
+
+ return 0;
+}
+
+static int sec_skcipher_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_sqe3 *sec_sqe3 = &req->sec_sqe3;
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ struct sec_cipher_req *c_req = &req->c_req;
+ u32 bd_param = 0;
+ u16 cipher;
+
+ memset(sec_sqe3, 0, sizeof(struct sec_sqe3));
+
+ sec_sqe3->c_key_addr = cpu_to_le64(c_ctx->c_key_dma);
+ sec_sqe3->no_scene.c_ivin_addr = cpu_to_le64(c_req->c_ivin_dma);
+ sec_sqe3->data_src_addr = cpu_to_le64(req->in_dma);
+ sec_sqe3->data_dst_addr = cpu_to_le64(c_req->c_out_dma);
+
+ sec_sqe3->c_mode_alg = ((u8)c_ctx->c_alg << SEC_CALG_OFFSET_V3) |
+ c_ctx->c_mode;
+ sec_sqe3->c_icv_key |= cpu_to_le16(((u16)c_ctx->c_key_len) <<
+ SEC_CKEY_OFFSET_V3);
+
+ if (c_req->encrypt)
+ cipher = SEC_CIPHER_ENC;
+ else
+ cipher = SEC_CIPHER_DEC;
+ sec_sqe3->c_icv_key |= cpu_to_le16(cipher);
+
+ /* Set the CTR counter mode is 128bit rollover */
+ sec_sqe3->auth_mac_key = cpu_to_le32((u32)SEC_CTR_CNT_ROLLOVER <<
+ SEC_CTR_CNT_OFFSET);
+
+ if (req->use_pbuf) {
+ bd_param |= SEC_PBUF << SEC_SRC_SGL_OFFSET_V3;
+ bd_param |= SEC_PBUF << SEC_DST_SGL_OFFSET_V3;
+ } else {
+ bd_param |= SEC_SGL << SEC_SRC_SGL_OFFSET_V3;
+ bd_param |= SEC_SGL << SEC_DST_SGL_OFFSET_V3;
+ }
+
+ bd_param |= SEC_COMM_SCENE << SEC_SCENE_OFFSET_V3;
+ if (req->in_dma != c_req->c_out_dma)
+ bd_param |= 0x1 << SEC_DE_OFFSET_V3;
+
+ bd_param |= SEC_BD_TYPE3;
+ sec_sqe3->bd_param = cpu_to_le32(bd_param);
+
+ sec_sqe3->c_len_ivin |= cpu_to_le32(c_req->c_len);
+ sec_sqe3->tag = cpu_to_le64(req);
+
+ return 0;
+}
+
+/* increment counter (128-bit int) */
+static void ctr_iv_inc(__u8 *counter, __u8 bits, __u32 nums)
+{
+ do {
+ --bits;
+ nums += counter[bits];
+ counter[bits] = nums & BITS_MASK;
+ nums >>= BYTE_BITS;
+ } while (bits && nums);
+}
+
+static void sec_update_iv(struct sec_req *req, enum sec_alg_type alg_type)
+{
+ struct aead_request *aead_req = req->aead_req.aead_req;
+ struct skcipher_request *sk_req = req->c_req.sk_req;
+ u32 iv_size = req->ctx->c_ctx.ivsize;
+ struct scatterlist *sgl;
+ unsigned int cryptlen;
+ size_t sz;
+ u8 *iv;
+
+ if (req->c_req.encrypt)
+ sgl = alg_type == SEC_SKCIPHER ? sk_req->dst : aead_req->dst;
+ else
+ sgl = alg_type == SEC_SKCIPHER ? sk_req->src : aead_req->src;
+
+ if (alg_type == SEC_SKCIPHER) {
+ iv = sk_req->iv;
+ cryptlen = sk_req->cryptlen;
+ } else {
+ iv = aead_req->iv;
+ cryptlen = aead_req->cryptlen;
+ }
+
+ if (req->ctx->c_ctx.c_mode == SEC_CMODE_CBC) {
+ sz = sg_pcopy_to_buffer(sgl, sg_nents(sgl), iv, iv_size,
+ cryptlen - iv_size);
+ if (unlikely(sz != iv_size))
+ dev_err(req->ctx->dev, "copy output iv error!\n");
+ } else {
+ sz = cryptlen / iv_size;
+ if (cryptlen % iv_size)
+ sz += 1;
+ ctr_iv_inc(iv, iv_size, sz);
+ }
+}
+
+static struct sec_req *sec_back_req_clear(struct sec_ctx *ctx,
+ struct sec_qp_ctx *qp_ctx)
+{
+ struct sec_req *backlog_req = NULL;
+
+ spin_lock_bh(&qp_ctx->req_lock);
+ if (ctx->fake_req_limit >=
+ atomic_read(&qp_ctx->qp->qp_status.used) &&
+ !list_empty(&qp_ctx->backlog)) {
+ backlog_req = list_first_entry(&qp_ctx->backlog,
+ typeof(*backlog_req), backlog_head);
+ list_del(&backlog_req->backlog_head);
+ }
+ spin_unlock_bh(&qp_ctx->req_lock);
+
+ return backlog_req;
+}
+
+static void sec_skcipher_callback(struct sec_ctx *ctx, struct sec_req *req,
+ int err)
+{
+ struct skcipher_request *sk_req = req->c_req.sk_req;
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ struct skcipher_request *backlog_sk_req;
+ struct sec_req *backlog_req;
+
+ sec_free_req_id(req);
+
+ /* IV output at encrypto of CBC/CTR mode */
+ if (!err && (ctx->c_ctx.c_mode == SEC_CMODE_CBC ||
+ ctx->c_ctx.c_mode == SEC_CMODE_CTR) && req->c_req.encrypt)
+ sec_update_iv(req, SEC_SKCIPHER);
+
+ while (1) {
+ backlog_req = sec_back_req_clear(ctx, qp_ctx);
+ if (!backlog_req)
+ break;
+
+ backlog_sk_req = backlog_req->c_req.sk_req;
+ backlog_sk_req->base.complete(&backlog_sk_req->base,
+ -EINPROGRESS);
+ atomic64_inc(&ctx->sec->debug.dfx.recv_busy_cnt);
+ }
+
+ sk_req->base.complete(&sk_req->base, err);
+}
+
+static void set_aead_auth_iv(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct aead_request *aead_req = req->aead_req.aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_aead_req *a_req = &req->aead_req;
+ size_t authsize = ctx->a_ctx.mac_len;
+ u32 data_size = aead_req->cryptlen;
+ u8 flage = 0;
+ u8 cm, cl;
+
+ /* the specification has been checked in aead_iv_demension_check() */
+ cl = c_req->c_ivin[0] + 1;
+ c_req->c_ivin[ctx->c_ctx.ivsize - cl] = 0x00;
+ memset(&c_req->c_ivin[ctx->c_ctx.ivsize - cl], 0, cl);
+ c_req->c_ivin[ctx->c_ctx.ivsize - IV_LAST_BYTE1] = IV_CTR_INIT;
+
+ /* the last 3bit is L' */
+ flage |= c_req->c_ivin[0] & IV_CL_MASK;
+
+ /* the M' is bit3~bit5, the Flags is bit6 */
+ cm = (authsize - IV_CM_CAL_NUM) / IV_CM_CAL_NUM;
+ flage |= cm << IV_CM_OFFSET;
+ if (aead_req->assoclen)
+ flage |= 0x01 << IV_FLAGS_OFFSET;
+
+ memcpy(a_req->a_ivin, c_req->c_ivin, ctx->c_ctx.ivsize);
+ a_req->a_ivin[0] = flage;
+
+ /*
+ * the last 32bit is counter's initial number,
+ * but the nonce uses the first 16bit
+ * the tail 16bit fill with the cipher length
+ */
+ if (!c_req->encrypt)
+ data_size = aead_req->cryptlen - authsize;
+
+ a_req->a_ivin[ctx->c_ctx.ivsize - IV_LAST_BYTE1] =
+ data_size & IV_LAST_BYTE_MASK;
+ data_size >>= IV_BYTE_OFFSET;
+ a_req->a_ivin[ctx->c_ctx.ivsize - IV_LAST_BYTE2] =
+ data_size & IV_LAST_BYTE_MASK;
+}
+
+static void sec_aead_set_iv(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct aead_request *aead_req = req->aead_req.aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aead_req);
+ size_t authsize = crypto_aead_authsize(tfm);
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct sec_aead_req *a_req = &req->aead_req;
+
+ memcpy(c_req->c_ivin, aead_req->iv, ctx->c_ctx.ivsize);
+
+ if (ctx->c_ctx.c_mode == SEC_CMODE_CCM) {
+ /*
+ * CCM 16Byte Cipher_IV: {1B_Flage,13B_IV,2B_counter},
+ * the counter must set to 0x01
+ */
+ ctx->a_ctx.mac_len = authsize;
+ /* CCM 16Byte Auth_IV: {1B_AFlage,13B_IV,2B_Ptext_length} */
+ set_aead_auth_iv(ctx, req);
+ }
+
+ /* GCM 12Byte Cipher_IV == Auth_IV */
+ if (ctx->c_ctx.c_mode == SEC_CMODE_GCM) {
+ ctx->a_ctx.mac_len = authsize;
+ memcpy(a_req->a_ivin, c_req->c_ivin, SEC_AIV_SIZE);
+ }
+}
+
+static void sec_auth_bd_fill_xcm(struct sec_auth_ctx *ctx, int dir,
+ struct sec_req *req, struct sec_sqe *sec_sqe)
+{
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct aead_request *aq = a_req->aead_req;
+
+ /* C_ICV_Len is MAC size, 0x4 ~ 0x10 */
+ sec_sqe->type2.icvw_kmode |= cpu_to_le16((u16)ctx->mac_len);
+
+ /* mode set to CCM/GCM, don't set {A_Alg, AKey_Len, MAC_Len} */
+ sec_sqe->type2.a_key_addr = sec_sqe->type2.c_key_addr;
+ sec_sqe->type2.a_ivin_addr = cpu_to_le64(a_req->a_ivin_dma);
+ sec_sqe->type_cipher_auth |= SEC_NO_AUTH << SEC_AUTH_OFFSET;
+
+ if (dir)
+ sec_sqe->sds_sa_type &= SEC_CIPHER_AUTH;
+ else
+ sec_sqe->sds_sa_type |= SEC_AUTH_CIPHER;
+
+ sec_sqe->type2.alen_ivllen = cpu_to_le32(aq->assoclen);
+ sec_sqe->type2.auth_src_offset = cpu_to_le16(0x0);
+ sec_sqe->type2.cipher_src_offset = cpu_to_le16((u16)aq->assoclen);
+
+ sec_sqe->type2.mac_addr = cpu_to_le64(a_req->out_mac_dma);
+}
+
+static void sec_auth_bd_fill_xcm_v3(struct sec_auth_ctx *ctx, int dir,
+ struct sec_req *req, struct sec_sqe3 *sqe3)
+{
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct aead_request *aq = a_req->aead_req;
+
+ /* C_ICV_Len is MAC size, 0x4 ~ 0x10 */
+ sqe3->c_icv_key |= cpu_to_le16((u16)ctx->mac_len << SEC_MAC_OFFSET_V3);
+
+ /* mode set to CCM/GCM, don't set {A_Alg, AKey_Len, MAC_Len} */
+ sqe3->a_key_addr = sqe3->c_key_addr;
+ sqe3->auth_ivin.a_ivin_addr = cpu_to_le64(a_req->a_ivin_dma);
+ sqe3->auth_mac_key |= SEC_NO_AUTH;
+
+ if (dir)
+ sqe3->huk_iv_seq &= SEC_CIPHER_AUTH_V3;
+ else
+ sqe3->huk_iv_seq |= SEC_AUTH_CIPHER_V3;
+
+ sqe3->a_len_key = cpu_to_le32(aq->assoclen);
+ sqe3->auth_src_offset = cpu_to_le16(0x0);
+ sqe3->cipher_src_offset = cpu_to_le16((u16)aq->assoclen);
+ sqe3->mac_addr = cpu_to_le64(a_req->out_mac_dma);
+}
+
+static void sec_auth_bd_fill_ex(struct sec_auth_ctx *ctx, int dir,
+ struct sec_req *req, struct sec_sqe *sec_sqe)
+{
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct aead_request *aq = a_req->aead_req;
+
+ sec_sqe->type2.a_key_addr = cpu_to_le64(ctx->a_key_dma);
+
+ sec_sqe->type2.mac_key_alg =
+ cpu_to_le32(ctx->mac_len / SEC_SQE_LEN_RATE);
+
+ sec_sqe->type2.mac_key_alg |=
+ cpu_to_le32((u32)((ctx->a_key_len) /
+ SEC_SQE_LEN_RATE) << SEC_AKEY_OFFSET);
+
+ sec_sqe->type2.mac_key_alg |=
+ cpu_to_le32((u32)(ctx->a_alg) << SEC_AEAD_ALG_OFFSET);
+
+ if (dir) {
+ sec_sqe->type_cipher_auth |= SEC_AUTH_TYPE1 << SEC_AUTH_OFFSET;
+ sec_sqe->sds_sa_type &= SEC_CIPHER_AUTH;
+ } else {
+ sec_sqe->type_cipher_auth |= SEC_AUTH_TYPE2 << SEC_AUTH_OFFSET;
+ sec_sqe->sds_sa_type |= SEC_AUTH_CIPHER;
+ }
+ sec_sqe->type2.alen_ivllen = cpu_to_le32(c_req->c_len + aq->assoclen);
+
+ sec_sqe->type2.cipher_src_offset = cpu_to_le16((u16)aq->assoclen);
+
+ sec_sqe->type2.mac_addr = cpu_to_le64(a_req->out_mac_dma);
+}
+
+static int sec_aead_bd_fill(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_auth_ctx *auth_ctx = &ctx->a_ctx;
+ struct sec_sqe *sec_sqe = &req->sec_sqe;
+ int ret;
+
+ ret = sec_skcipher_bd_fill(ctx, req);
+ if (unlikely(ret)) {
+ dev_err(ctx->dev, "skcipher bd fill is error!\n");
+ return ret;
+ }
+
+ if (ctx->c_ctx.c_mode == SEC_CMODE_CCM ||
+ ctx->c_ctx.c_mode == SEC_CMODE_GCM)
+ sec_auth_bd_fill_xcm(auth_ctx, req->c_req.encrypt, req, sec_sqe);
+ else
+ sec_auth_bd_fill_ex(auth_ctx, req->c_req.encrypt, req, sec_sqe);
+
+ return 0;
+}
+
+static void sec_auth_bd_fill_ex_v3(struct sec_auth_ctx *ctx, int dir,
+ struct sec_req *req, struct sec_sqe3 *sqe3)
+{
+ struct sec_aead_req *a_req = &req->aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ struct aead_request *aq = a_req->aead_req;
+
+ sqe3->a_key_addr = cpu_to_le64(ctx->a_key_dma);
+
+ sqe3->auth_mac_key |=
+ cpu_to_le32((u32)(ctx->mac_len /
+ SEC_SQE_LEN_RATE) << SEC_MAC_OFFSET_V3);
+
+ sqe3->auth_mac_key |=
+ cpu_to_le32((u32)(ctx->a_key_len /
+ SEC_SQE_LEN_RATE) << SEC_AKEY_OFFSET_V3);
+
+ sqe3->auth_mac_key |=
+ cpu_to_le32((u32)(ctx->a_alg) << SEC_AUTH_ALG_OFFSET_V3);
+
+ if (dir) {
+ sqe3->auth_mac_key |= cpu_to_le32((u32)SEC_AUTH_TYPE1);
+ sqe3->huk_iv_seq &= SEC_CIPHER_AUTH_V3;
+ } else {
+ sqe3->auth_mac_key |= cpu_to_le32((u32)SEC_AUTH_TYPE2);
+ sqe3->huk_iv_seq |= SEC_AUTH_CIPHER_V3;
+ }
+ sqe3->a_len_key = cpu_to_le32(c_req->c_len + aq->assoclen);
+
+ sqe3->cipher_src_offset = cpu_to_le16((u16)aq->assoclen);
+
+ sqe3->mac_addr = cpu_to_le64(a_req->out_mac_dma);
+}
+
+static int sec_aead_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_auth_ctx *auth_ctx = &ctx->a_ctx;
+ struct sec_sqe3 *sec_sqe3 = &req->sec_sqe3;
+ int ret;
+
+ ret = sec_skcipher_bd_fill_v3(ctx, req);
+ if (unlikely(ret)) {
+ dev_err(ctx->dev, "skcipher bd3 fill is error!\n");
+ return ret;
+ }
+
+ if (ctx->c_ctx.c_mode == SEC_CMODE_CCM ||
+ ctx->c_ctx.c_mode == SEC_CMODE_GCM)
+ sec_auth_bd_fill_xcm_v3(auth_ctx, req->c_req.encrypt,
+ req, sec_sqe3);
+ else
+ sec_auth_bd_fill_ex_v3(auth_ctx, req->c_req.encrypt,
+ req, sec_sqe3);
+
+ return 0;
+}
+
+static void sec_aead_callback(struct sec_ctx *c, struct sec_req *req, int err)
+{
+ struct aead_request *a_req = req->aead_req.aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(a_req);
+ struct sec_aead_req *aead_req = &req->aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
+ size_t authsize = crypto_aead_authsize(tfm);
+ struct sec_qp_ctx *qp_ctx = req->qp_ctx;
+ struct aead_request *backlog_aead_req;
+ struct sec_req *backlog_req;
+ size_t sz;
+
+ if (!err && c->c_ctx.c_mode == SEC_CMODE_CBC && c_req->encrypt)
+ sec_update_iv(req, SEC_AEAD);
+
+ /* Copy output mac */
+ if (!err && c_req->encrypt) {
+ struct scatterlist *sgl = a_req->dst;
+
+ sz = sg_pcopy_from_buffer(sgl, sg_nents(sgl),
+ aead_req->out_mac,
+ authsize, a_req->cryptlen +
+ a_req->assoclen);
+ if (unlikely(sz != authsize)) {
+ dev_err(c->dev, "copy out mac err!\n");
+ err = -EINVAL;
+ }
+ }
+
+ sec_free_req_id(req);
+
+ while (1) {
+ backlog_req = sec_back_req_clear(c, qp_ctx);
+ if (!backlog_req)
+ break;
+
+ backlog_aead_req = backlog_req->aead_req.aead_req;
+ backlog_aead_req->base.complete(&backlog_aead_req->base,
+ -EINPROGRESS);
+ atomic64_inc(&c->sec->debug.dfx.recv_busy_cnt);
+ }
+
+ a_req->base.complete(&a_req->base, err);
+}
+
+static void sec_request_uninit(struct sec_ctx *ctx, struct sec_req *req)
+{
+ sec_free_req_id(req);
+ sec_free_queue_id(ctx, req);
+}
+
+static int sec_request_init(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_qp_ctx *qp_ctx;
+ int queue_id;
+
+ /* To load balance */
+ queue_id = sec_alloc_queue_id(ctx, req);
+ qp_ctx = &ctx->qp_ctx[queue_id];
+
+ req->req_id = sec_alloc_req_id(req, qp_ctx);
+ if (unlikely(req->req_id < 0)) {
+ sec_free_queue_id(ctx, req);
+ return req->req_id;
+ }
+
+ return 0;
+}
+
+static int sec_process(struct sec_ctx *ctx, struct sec_req *req)
+{
+ struct sec_cipher_req *c_req = &req->c_req;
+ int ret;
+
+ ret = sec_request_init(ctx, req);
+ if (unlikely(ret))
+ return ret;
+
+ ret = sec_request_transfer(ctx, req);
+ if (unlikely(ret))
+ goto err_uninit_req;
+
+ /* Output IV as decrypto */
+ if (!req->c_req.encrypt && (ctx->c_ctx.c_mode == SEC_CMODE_CBC ||
+ ctx->c_ctx.c_mode == SEC_CMODE_CTR))
+ sec_update_iv(req, ctx->alg_type);
+
+ ret = ctx->req_op->bd_send(ctx, req);
+ if (unlikely((ret != -EBUSY && ret != -EINPROGRESS) ||
+ (ret == -EBUSY && !(req->flag & CRYPTO_TFM_REQ_MAY_BACKLOG)))) {
+ dev_err_ratelimited(ctx->dev, "send sec request failed!\n");
+ goto err_send_req;
+ }
+
+ return ret;
+
+err_send_req:
+ /* As failing, restore the IV from user */
+ if (ctx->c_ctx.c_mode == SEC_CMODE_CBC && !req->c_req.encrypt) {
+ if (ctx->alg_type == SEC_SKCIPHER)
+ memcpy(req->c_req.sk_req->iv, c_req->c_ivin,
+ ctx->c_ctx.ivsize);
+ else
+ memcpy(req->aead_req.aead_req->iv, c_req->c_ivin,
+ ctx->c_ctx.ivsize);
+ }
+
+ sec_request_untransfer(ctx, req);
+err_uninit_req:
+ sec_request_uninit(ctx, req);
+ return ret;
+}
+
+static const struct sec_req_op sec_skcipher_req_ops = {
+ .buf_map = sec_skcipher_sgl_map,
+ .buf_unmap = sec_skcipher_sgl_unmap,
+ .do_transfer = sec_skcipher_copy_iv,
+ .bd_fill = sec_skcipher_bd_fill,
+ .bd_send = sec_bd_send,
+ .callback = sec_skcipher_callback,
+ .process = sec_process,
+};
+
+static const struct sec_req_op sec_aead_req_ops = {
+ .buf_map = sec_aead_sgl_map,
+ .buf_unmap = sec_aead_sgl_unmap,
+ .do_transfer = sec_aead_set_iv,
+ .bd_fill = sec_aead_bd_fill,
+ .bd_send = sec_bd_send,
+ .callback = sec_aead_callback,
+ .process = sec_process,
+};
+
+static const struct sec_req_op sec_skcipher_req_ops_v3 = {
+ .buf_map = sec_skcipher_sgl_map,
+ .buf_unmap = sec_skcipher_sgl_unmap,
+ .do_transfer = sec_skcipher_copy_iv,
+ .bd_fill = sec_skcipher_bd_fill_v3,
+ .bd_send = sec_bd_send,
+ .callback = sec_skcipher_callback,
+ .process = sec_process,
+};
+
+static const struct sec_req_op sec_aead_req_ops_v3 = {
+ .buf_map = sec_aead_sgl_map,
+ .buf_unmap = sec_aead_sgl_unmap,
+ .do_transfer = sec_aead_set_iv,
+ .bd_fill = sec_aead_bd_fill_v3,
+ .bd_send = sec_bd_send,
+ .callback = sec_aead_callback,
+ .process = sec_process,
+};
+
+static int sec_skcipher_ctx_init(struct crypto_skcipher *tfm)
+{
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int ret;
+
+ ret = sec_skcipher_init(tfm);
+ if (ret)
+ return ret;
+
+ if (ctx->sec->qm.ver < QM_HW_V3) {
+ ctx->type_supported = SEC_BD_TYPE2;
+ ctx->req_op = &sec_skcipher_req_ops;
+ } else {
+ ctx->type_supported = SEC_BD_TYPE3;
+ ctx->req_op = &sec_skcipher_req_ops_v3;
+ }
+
+ return ret;
+}
+
+static void sec_skcipher_ctx_exit(struct crypto_skcipher *tfm)
+{
+ sec_skcipher_uninit(tfm);
+}
+
+static int sec_aead_init(struct crypto_aead *tfm)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ int ret;
+
+ crypto_aead_set_reqsize(tfm, sizeof(struct sec_req));
+ ctx->alg_type = SEC_AEAD;
+ ctx->c_ctx.ivsize = crypto_aead_ivsize(tfm);
+ if (ctx->c_ctx.ivsize < SEC_AIV_SIZE ||
+ ctx->c_ctx.ivsize > SEC_IV_SIZE) {
+ pr_err("get error aead iv size!\n");
+ return -EINVAL;
+ }
+
+ ret = sec_ctx_base_init(ctx);
+ if (ret)
+ return ret;
+ if (ctx->sec->qm.ver < QM_HW_V3) {
+ ctx->type_supported = SEC_BD_TYPE2;
+ ctx->req_op = &sec_aead_req_ops;
+ } else {
+ ctx->type_supported = SEC_BD_TYPE3;
+ ctx->req_op = &sec_aead_req_ops_v3;
+ }
+
+ ret = sec_auth_init(ctx);
+ if (ret)
+ goto err_auth_init;
+
+ ret = sec_cipher_init(ctx);
+ if (ret)
+ goto err_cipher_init;
+
+ return ret;
+
+err_cipher_init:
+ sec_auth_uninit(ctx);
+err_auth_init:
+ sec_ctx_base_uninit(ctx);
+ return ret;
+}
+
+static void sec_aead_exit(struct crypto_aead *tfm)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+
+ sec_cipher_uninit(ctx);
+ sec_auth_uninit(ctx);
+ sec_ctx_base_uninit(ctx);
+}
+
+static int sec_aead_ctx_init(struct crypto_aead *tfm, const char *hash_name)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ struct sec_auth_ctx *auth_ctx = &ctx->a_ctx;
+ int ret;
+
+ ret = sec_aead_init(tfm);
+ if (ret) {
+ pr_err("hisi_sec2: aead init error!\n");
+ return ret;
+ }
+
+ auth_ctx->hash_tfm = crypto_alloc_shash(hash_name, 0, 0);
+ if (IS_ERR(auth_ctx->hash_tfm)) {
+ dev_err(ctx->dev, "aead alloc shash error!\n");
+ sec_aead_exit(tfm);
+ return PTR_ERR(auth_ctx->hash_tfm);
+ }
+
+ return 0;
+}
+
+static void sec_aead_ctx_exit(struct crypto_aead *tfm)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+
+ crypto_free_shash(ctx->a_ctx.hash_tfm);
+ sec_aead_exit(tfm);
+}
+
+static int sec_aead_xcm_ctx_init(struct crypto_aead *tfm)
+{
+ struct aead_alg *alg = crypto_aead_alg(tfm);
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+ const char *aead_name = alg->base.cra_name;
+ int ret;
+
+ ret = sec_aead_init(tfm);
+ if (ret) {
+ dev_err(ctx->dev, "hisi_sec2: aead xcm init error!\n");
+ return ret;
+ }
+
+ a_ctx->fallback_aead_tfm = crypto_alloc_aead(aead_name, 0,
+ CRYPTO_ALG_NEED_FALLBACK |
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(a_ctx->fallback_aead_tfm)) {
+ dev_err(ctx->dev, "aead driver alloc fallback tfm error!\n");
+ sec_aead_exit(tfm);
+ return PTR_ERR(a_ctx->fallback_aead_tfm);
+ }
+ a_ctx->fallback = false;
+
+ return 0;
+}
+
+static void sec_aead_xcm_ctx_exit(struct crypto_aead *tfm)
+{
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+
+ crypto_free_aead(ctx->a_ctx.fallback_aead_tfm);
+ sec_aead_exit(tfm);
+}
+
+static int sec_aead_sha1_ctx_init(struct crypto_aead *tfm)
+{
+ return sec_aead_ctx_init(tfm, "sha1");
+}
+
+static int sec_aead_sha256_ctx_init(struct crypto_aead *tfm)
+{
+ return sec_aead_ctx_init(tfm, "sha256");
+}
+
+static int sec_aead_sha512_ctx_init(struct crypto_aead *tfm)
+{
+ return sec_aead_ctx_init(tfm, "sha512");
+}
+
+static int sec_skcipher_cryptlen_ckeck(struct sec_ctx *ctx,
+ struct sec_req *sreq)
+{
+ u32 cryptlen = sreq->c_req.sk_req->cryptlen;
+ struct device *dev = ctx->dev;
+ u8 c_mode = ctx->c_ctx.c_mode;
+ int ret = 0;
+
+ switch (c_mode) {
+ case SEC_CMODE_XTS:
+ if (unlikely(cryptlen < AES_BLOCK_SIZE)) {
+ dev_err(dev, "skcipher XTS mode input length error!\n");
+ ret = -EINVAL;
+ }
+ break;
+ case SEC_CMODE_ECB:
+ case SEC_CMODE_CBC:
+ if (unlikely(cryptlen & (AES_BLOCK_SIZE - 1))) {
+ dev_err(dev, "skcipher AES input length error!\n");
+ ret = -EINVAL;
+ }
+ break;
+ case SEC_CMODE_CFB:
+ case SEC_CMODE_OFB:
+ case SEC_CMODE_CTR:
+ if (unlikely(ctx->sec->qm.ver < QM_HW_V3)) {
+ dev_err(dev, "skcipher HW version error!\n");
+ ret = -EINVAL;
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int sec_skcipher_param_check(struct sec_ctx *ctx, struct sec_req *sreq)
+{
+ struct skcipher_request *sk_req = sreq->c_req.sk_req;
+ struct device *dev = ctx->dev;
+ u8 c_alg = ctx->c_ctx.c_alg;
+
+ if (unlikely(!sk_req->src || !sk_req->dst ||
+ sk_req->cryptlen > MAX_INPUT_DATA_LEN)) {
+ dev_err(dev, "skcipher input param error!\n");
+ return -EINVAL;
+ }
+ sreq->c_req.c_len = sk_req->cryptlen;
+
+ if (ctx->pbuf_supported && sk_req->cryptlen <= SEC_PBUF_SZ)
+ sreq->use_pbuf = true;
+ else
+ sreq->use_pbuf = false;
+
+ if (c_alg == SEC_CALG_3DES) {
+ if (unlikely(sk_req->cryptlen & (DES3_EDE_BLOCK_SIZE - 1))) {
+ dev_err(dev, "skcipher 3des input length error!\n");
+ return -EINVAL;
+ }
+ return 0;
+ } else if (c_alg == SEC_CALG_AES || c_alg == SEC_CALG_SM4) {
+ return sec_skcipher_cryptlen_ckeck(ctx, sreq);
+ }
+
+ dev_err(dev, "skcipher algorithm error!\n");
+
+ return -EINVAL;
+}
+
+static int sec_skcipher_soft_crypto(struct sec_ctx *ctx,
+ struct skcipher_request *sreq, bool encrypt)
+{
+ struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+ SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, c_ctx->fbtfm);
+ struct device *dev = ctx->dev;
+ int ret;
+
+ if (!c_ctx->fbtfm) {
+ dev_err_ratelimited(dev, "the soft tfm isn't supported in the current system.\n");
+ return -EINVAL;
+ }
+
+ skcipher_request_set_sync_tfm(subreq, c_ctx->fbtfm);
+
+ /* software need sync mode to do crypto */
+ skcipher_request_set_callback(subreq, sreq->base.flags,
+ NULL, NULL);
+ skcipher_request_set_crypt(subreq, sreq->src, sreq->dst,
+ sreq->cryptlen, sreq->iv);
+ if (encrypt)
+ ret = crypto_skcipher_encrypt(subreq);
+ else
+ ret = crypto_skcipher_decrypt(subreq);
+
+ skcipher_request_zero(subreq);
+
+ return ret;
+}
+
+static int sec_skcipher_crypto(struct skcipher_request *sk_req, bool encrypt)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(sk_req);
+ struct sec_req *req = skcipher_request_ctx(sk_req);
+ struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
+ int ret;
+
+ if (!sk_req->cryptlen) {
+ if (ctx->c_ctx.c_mode == SEC_CMODE_XTS)
+ return -EINVAL;
+ return 0;
+ }
+
+ req->flag = sk_req->base.flags;
+ req->c_req.sk_req = sk_req;
+ req->c_req.encrypt = encrypt;
+ req->ctx = ctx;
+
+ ret = sec_skcipher_param_check(ctx, req);
+ if (unlikely(ret))
+ return -EINVAL;
+
+ if (unlikely(ctx->c_ctx.fallback))
+ return sec_skcipher_soft_crypto(ctx, sk_req, encrypt);
+
+ return ctx->req_op->process(ctx, req);
+}
+
+static int sec_skcipher_encrypt(struct skcipher_request *sk_req)
+{
+ return sec_skcipher_crypto(sk_req, true);
+}
+
+static int sec_skcipher_decrypt(struct skcipher_request *sk_req)
+{
+ return sec_skcipher_crypto(sk_req, false);
+}
+
+#define SEC_SKCIPHER_GEN_ALG(sec_cra_name, sec_set_key, sec_min_key_size, \
+ sec_max_key_size, ctx_init, ctx_exit, blk_size, iv_size)\
+{\
+ .base = {\
+ .cra_name = sec_cra_name,\
+ .cra_driver_name = "hisi_sec_"sec_cra_name,\
+ .cra_priority = SEC_PRIORITY,\
+ .cra_flags = CRYPTO_ALG_ASYNC |\
+ CRYPTO_ALG_NEED_FALLBACK,\
+ .cra_blocksize = blk_size,\
+ .cra_ctxsize = sizeof(struct sec_ctx),\
+ .cra_module = THIS_MODULE,\
+ },\
+ .init = ctx_init,\
+ .exit = ctx_exit,\
+ .setkey = sec_set_key,\
+ .decrypt = sec_skcipher_decrypt,\
+ .encrypt = sec_skcipher_encrypt,\
+ .min_keysize = sec_min_key_size,\
+ .max_keysize = sec_max_key_size,\
+ .ivsize = iv_size,\
+}
+
+#define SEC_SKCIPHER_ALG(name, key_func, min_key_size, \
+ max_key_size, blk_size, iv_size) \
+ SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \
+ sec_skcipher_ctx_init, sec_skcipher_ctx_exit, blk_size, iv_size)
+
+static struct sec_skcipher sec_skciphers[] = {
+ {
+ .alg_msk = BIT(0),
+ .alg = SEC_SKCIPHER_ALG("ecb(aes)", sec_setkey_aes_ecb, AES_MIN_KEY_SIZE,
+ AES_MAX_KEY_SIZE, AES_BLOCK_SIZE, 0),
+ },
+ {
+ .alg_msk = BIT(1),
+ .alg = SEC_SKCIPHER_ALG("cbc(aes)", sec_setkey_aes_cbc, AES_MIN_KEY_SIZE,
+ AES_MAX_KEY_SIZE, AES_BLOCK_SIZE, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(2),
+ .alg = SEC_SKCIPHER_ALG("ctr(aes)", sec_setkey_aes_ctr, AES_MIN_KEY_SIZE,
+ AES_MAX_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(3),
+ .alg = SEC_SKCIPHER_ALG("xts(aes)", sec_setkey_aes_xts, SEC_XTS_MIN_KEY_SIZE,
+ SEC_XTS_MAX_KEY_SIZE, AES_BLOCK_SIZE, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(4),
+ .alg = SEC_SKCIPHER_ALG("ofb(aes)", sec_setkey_aes_ofb, AES_MIN_KEY_SIZE,
+ AES_MAX_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(5),
+ .alg = SEC_SKCIPHER_ALG("cfb(aes)", sec_setkey_aes_cfb, AES_MIN_KEY_SIZE,
+ AES_MAX_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(12),
+ .alg = SEC_SKCIPHER_ALG("cbc(sm4)", sec_setkey_sm4_cbc, AES_MIN_KEY_SIZE,
+ AES_MIN_KEY_SIZE, AES_BLOCK_SIZE, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(13),
+ .alg = SEC_SKCIPHER_ALG("ctr(sm4)", sec_setkey_sm4_ctr, AES_MIN_KEY_SIZE,
+ AES_MIN_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(14),
+ .alg = SEC_SKCIPHER_ALG("xts(sm4)", sec_setkey_sm4_xts, SEC_XTS_MIN_KEY_SIZE,
+ SEC_XTS_MIN_KEY_SIZE, AES_BLOCK_SIZE, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(15),
+ .alg = SEC_SKCIPHER_ALG("ofb(sm4)", sec_setkey_sm4_ofb, AES_MIN_KEY_SIZE,
+ AES_MIN_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(16),
+ .alg = SEC_SKCIPHER_ALG("cfb(sm4)", sec_setkey_sm4_cfb, AES_MIN_KEY_SIZE,
+ AES_MIN_KEY_SIZE, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(23),
+ .alg = SEC_SKCIPHER_ALG("ecb(des3_ede)", sec_setkey_3des_ecb, SEC_DES3_3KEY_SIZE,
+ SEC_DES3_3KEY_SIZE, DES3_EDE_BLOCK_SIZE, 0),
+ },
+ {
+ .alg_msk = BIT(24),
+ .alg = SEC_SKCIPHER_ALG("cbc(des3_ede)", sec_setkey_3des_cbc, SEC_DES3_3KEY_SIZE,
+ SEC_DES3_3KEY_SIZE, DES3_EDE_BLOCK_SIZE,
+ DES3_EDE_BLOCK_SIZE),
+ },
+};
+
+static int aead_iv_demension_check(struct aead_request *aead_req)
+{
+ u8 cl;
+
+ cl = aead_req->iv[0] + 1;
+ if (cl < IV_CL_MIN || cl > IV_CL_MAX)
+ return -EINVAL;
+
+ if (cl < IV_CL_MID && aead_req->cryptlen >> (BYTE_BITS * cl))
+ return -EOVERFLOW;
+
+ return 0;
+}
+
+static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq)
+{
+ struct aead_request *req = sreq->aead_req.aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ size_t authsize = crypto_aead_authsize(tfm);
+ u8 c_mode = ctx->c_ctx.c_mode;
+ struct device *dev = ctx->dev;
+ int ret;
+
+ if (unlikely(req->cryptlen + req->assoclen > MAX_INPUT_DATA_LEN ||
+ req->assoclen > SEC_MAX_AAD_LEN)) {
+ dev_err(dev, "aead input spec error!\n");
+ return -EINVAL;
+ }
+
+ if (unlikely((c_mode == SEC_CMODE_GCM && authsize < DES_BLOCK_SIZE) ||
+ (c_mode == SEC_CMODE_CCM && (authsize < MIN_MAC_LEN ||
+ authsize & MAC_LEN_MASK)))) {
+ dev_err(dev, "aead input mac length error!\n");
+ return -EINVAL;
+ }
+
+ if (c_mode == SEC_CMODE_CCM) {
+ if (unlikely(req->assoclen > SEC_MAX_CCM_AAD_LEN)) {
+ dev_err_ratelimited(dev, "CCM input aad parameter is too long!\n");
+ return -EINVAL;
+ }
+ ret = aead_iv_demension_check(req);
+ if (ret) {
+ dev_err(dev, "aead input iv param error!\n");
+ return ret;
+ }
+ }
+
+ if (sreq->c_req.encrypt)
+ sreq->c_req.c_len = req->cryptlen;
+ else
+ sreq->c_req.c_len = req->cryptlen - authsize;
+ if (c_mode == SEC_CMODE_CBC) {
+ if (unlikely(sreq->c_req.c_len & (AES_BLOCK_SIZE - 1))) {
+ dev_err(dev, "aead crypto length error!\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int sec_aead_param_check(struct sec_ctx *ctx, struct sec_req *sreq)
+{
+ struct aead_request *req = sreq->aead_req.aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ size_t authsize = crypto_aead_authsize(tfm);
+ struct device *dev = ctx->dev;
+ u8 c_alg = ctx->c_ctx.c_alg;
+
+ if (unlikely(!req->src || !req->dst)) {
+ dev_err(dev, "aead input param error!\n");
+ return -EINVAL;
+ }
+
+ if (ctx->sec->qm.ver == QM_HW_V2) {
+ if (unlikely(!req->cryptlen || (!sreq->c_req.encrypt &&
+ req->cryptlen <= authsize))) {
+ ctx->a_ctx.fallback = true;
+ return -EINVAL;
+ }
+ }
+
+ /* Support AES or SM4 */
+ if (unlikely(c_alg != SEC_CALG_AES && c_alg != SEC_CALG_SM4)) {
+ dev_err(dev, "aead crypto alg error!\n");
+ return -EINVAL;
+ }
+
+ if (unlikely(sec_aead_spec_check(ctx, sreq)))
+ return -EINVAL;
+
+ if (ctx->pbuf_supported && (req->cryptlen + req->assoclen) <=
+ SEC_PBUF_SZ)
+ sreq->use_pbuf = true;
+ else
+ sreq->use_pbuf = false;
+
+ return 0;
+}
+
+static int sec_aead_soft_crypto(struct sec_ctx *ctx,
+ struct aead_request *aead_req,
+ bool encrypt)
+{
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+ struct device *dev = ctx->dev;
+ struct aead_request *subreq;
+ int ret;
+
+ /* Kunpeng920 aead mode not support input 0 size */
+ if (!a_ctx->fallback_aead_tfm) {
+ dev_err(dev, "aead fallback tfm is NULL!\n");
+ return -EINVAL;
+ }
+
+ subreq = aead_request_alloc(a_ctx->fallback_aead_tfm, GFP_KERNEL);
+ if (!subreq)
+ return -ENOMEM;
+
+ aead_request_set_tfm(subreq, a_ctx->fallback_aead_tfm);
+ aead_request_set_callback(subreq, aead_req->base.flags,
+ aead_req->base.complete, aead_req->base.data);
+ aead_request_set_crypt(subreq, aead_req->src, aead_req->dst,
+ aead_req->cryptlen, aead_req->iv);
+ aead_request_set_ad(subreq, aead_req->assoclen);
+
+ if (encrypt)
+ ret = crypto_aead_encrypt(subreq);
+ else
+ ret = crypto_aead_decrypt(subreq);
+ aead_request_free(subreq);
+
+ return ret;
+}
+
+static int sec_aead_crypto(struct aead_request *a_req, bool encrypt)
+{
+ struct crypto_aead *tfm = crypto_aead_reqtfm(a_req);
+ struct sec_req *req = aead_request_ctx(a_req);
+ struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ int ret;
+
+ req->flag = a_req->base.flags;
+ req->aead_req.aead_req = a_req;
+ req->c_req.encrypt = encrypt;
+ req->ctx = ctx;
+
+ ret = sec_aead_param_check(ctx, req);
+ if (unlikely(ret)) {
+ if (ctx->a_ctx.fallback)
+ return sec_aead_soft_crypto(ctx, a_req, encrypt);
+ return -EINVAL;
+ }
+
+ return ctx->req_op->process(ctx, req);
+}
+
+static int sec_aead_encrypt(struct aead_request *a_req)
+{
+ return sec_aead_crypto(a_req, true);
+}
+
+static int sec_aead_decrypt(struct aead_request *a_req)
+{
+ return sec_aead_crypto(a_req, false);
+}
+
+#define SEC_AEAD_ALG(sec_cra_name, sec_set_key, ctx_init,\
+ ctx_exit, blk_size, iv_size, max_authsize)\
+{\
+ .base = {\
+ .cra_name = sec_cra_name,\
+ .cra_driver_name = "hisi_sec_"sec_cra_name,\
+ .cra_priority = SEC_PRIORITY,\
+ .cra_flags = CRYPTO_ALG_ASYNC |\
+ CRYPTO_ALG_NEED_FALLBACK,\
+ .cra_blocksize = blk_size,\
+ .cra_ctxsize = sizeof(struct sec_ctx),\
+ .cra_module = THIS_MODULE,\
+ },\
+ .init = ctx_init,\
+ .exit = ctx_exit,\
+ .setkey = sec_set_key,\
+ .setauthsize = sec_aead_setauthsize,\
+ .decrypt = sec_aead_decrypt,\
+ .encrypt = sec_aead_encrypt,\
+ .ivsize = iv_size,\
+ .maxauthsize = max_authsize,\
+}
+
+static struct sec_aead sec_aeads[] = {
+ {
+ .alg_msk = BIT(6),
+ .alg = SEC_AEAD_ALG("ccm(aes)", sec_setkey_aes_ccm, sec_aead_xcm_ctx_init,
+ sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE,
+ AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(7),
+ .alg = SEC_AEAD_ALG("gcm(aes)", sec_setkey_aes_gcm, sec_aead_xcm_ctx_init,
+ sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, SEC_AIV_SIZE,
+ AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(17),
+ .alg = SEC_AEAD_ALG("ccm(sm4)", sec_setkey_sm4_ccm, sec_aead_xcm_ctx_init,
+ sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, AES_BLOCK_SIZE,
+ AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(18),
+ .alg = SEC_AEAD_ALG("gcm(sm4)", sec_setkey_sm4_gcm, sec_aead_xcm_ctx_init,
+ sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, SEC_AIV_SIZE,
+ AES_BLOCK_SIZE),
+ },
+ {
+ .alg_msk = BIT(43),
+ .alg = SEC_AEAD_ALG("authenc(hmac(sha1),cbc(aes))", sec_setkey_aes_cbc_sha1,
+ sec_aead_sha1_ctx_init, sec_aead_ctx_exit, AES_BLOCK_SIZE,
+ AES_BLOCK_SIZE, SHA1_DIGEST_SIZE),
+ },
+ {
+ .alg_msk = BIT(44),
+ .alg = SEC_AEAD_ALG("authenc(hmac(sha256),cbc(aes))", sec_setkey_aes_cbc_sha256,
+ sec_aead_sha256_ctx_init, sec_aead_ctx_exit, AES_BLOCK_SIZE,
+ AES_BLOCK_SIZE, SHA256_DIGEST_SIZE),
+ },
+ {
+ .alg_msk = BIT(45),
+ .alg = SEC_AEAD_ALG("authenc(hmac(sha512),cbc(aes))", sec_setkey_aes_cbc_sha512,
+ sec_aead_sha512_ctx_init, sec_aead_ctx_exit, AES_BLOCK_SIZE,
+ AES_BLOCK_SIZE, SHA512_DIGEST_SIZE),
+ },
+};
+
+static void sec_unregister_skcipher(u64 alg_mask, int end)
+{
+ int i;
+
+ for (i = 0; i < end; i++)
+ if (sec_skciphers[i].alg_msk & alg_mask)
+ crypto_unregister_skcipher(&sec_skciphers[i].alg);
+}
+
+static int sec_register_skcipher(u64 alg_mask)
+{
+ int i, ret, count;
+
+ count = ARRAY_SIZE(sec_skciphers);
+
+ for (i = 0; i < count; i++) {
+ if (!(sec_skciphers[i].alg_msk & alg_mask))
+ continue;
+
+ ret = crypto_register_skcipher(&sec_skciphers[i].alg);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ sec_unregister_skcipher(alg_mask, i);
+
+ return ret;
+}
+
+static void sec_unregister_aead(u64 alg_mask, int end)
+{
+ int i;
+
+ for (i = 0; i < end; i++)
+ if (sec_aeads[i].alg_msk & alg_mask)
+ crypto_unregister_aead(&sec_aeads[i].alg);
+}
+
+static int sec_register_aead(u64 alg_mask)
+{
+ int i, ret, count;
+
+ count = ARRAY_SIZE(sec_aeads);
+
+ for (i = 0; i < count; i++) {
+ if (!(sec_aeads[i].alg_msk & alg_mask))
+ continue;
+
+ ret = crypto_register_aead(&sec_aeads[i].alg);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ sec_unregister_aead(alg_mask, i);
+
+ return ret;
+}
+
+int sec_register_to_crypto(struct hisi_qm *qm)
+{
+ u64 alg_mask;
+ int ret = 0;
+
+ alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_IDX,
+ SEC_DRV_ALG_BITMAP_LOW_IDX);
+
+
+ ret = sec_register_skcipher(alg_mask);
+ if (ret)
+ return ret;
+
+ ret = sec_register_aead(alg_mask);
+ if (ret)
+ sec_unregister_skcipher(alg_mask, ARRAY_SIZE(sec_skciphers));
+
+ return ret;
+}
+
+void sec_unregister_from_crypto(struct hisi_qm *qm)
+{
+ u64 alg_mask;
+
+ alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_IDX,
+ SEC_DRV_ALG_BITMAP_LOW_IDX);
+
+ sec_unregister_aead(alg_mask, ARRAY_SIZE(sec_aeads));
+ sec_unregister_skcipher(alg_mask, ARRAY_SIZE(sec_skciphers));
+}
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.h b/drivers/crypto/hisilicon/sec2/sec_crypto.h
new file mode 100644
index 000000000..d033f63b5
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.h
@@ -0,0 +1,410 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#ifndef __HISI_SEC_V2_CRYPTO_H
+#define __HISI_SEC_V2_CRYPTO_H
+
+#define SEC_AIV_SIZE 12
+#define SEC_IV_SIZE 24
+#define SEC_MAX_KEY_SIZE 64
+#define SEC_MAX_AKEY_SIZE 128
+#define SEC_COMM_SCENE 0
+#define SEC_MIN_BLOCK_SZ 1
+
+enum sec_calg {
+ SEC_CALG_3DES = 0x1,
+ SEC_CALG_AES = 0x2,
+ SEC_CALG_SM4 = 0x3,
+};
+
+enum sec_hash_alg {
+ SEC_A_HMAC_SHA1 = 0x10,
+ SEC_A_HMAC_SHA256 = 0x11,
+ SEC_A_HMAC_SHA512 = 0x15,
+};
+
+enum sec_mac_len {
+ SEC_HMAC_CCM_MAC = 16,
+ SEC_HMAC_GCM_MAC = 16,
+ SEC_SM3_MAC = 32,
+ SEC_HMAC_SM3_MAC = 32,
+ SEC_HMAC_MD5_MAC = 16,
+ SEC_HMAC_SHA1_MAC = 20,
+ SEC_HMAC_SHA256_MAC = 32,
+ SEC_HMAC_SHA512_MAC = 64,
+};
+
+enum sec_cmode {
+ SEC_CMODE_ECB = 0x0,
+ SEC_CMODE_CBC = 0x1,
+ SEC_CMODE_CFB = 0x2,
+ SEC_CMODE_OFB = 0x3,
+ SEC_CMODE_CTR = 0x4,
+ SEC_CMODE_CCM = 0x5,
+ SEC_CMODE_GCM = 0x6,
+ SEC_CMODE_XTS = 0x7,
+};
+
+enum sec_ckey_type {
+ SEC_CKEY_128BIT = 0x0,
+ SEC_CKEY_192BIT = 0x1,
+ SEC_CKEY_256BIT = 0x2,
+ SEC_CKEY_3DES_3KEY = 0x1,
+ SEC_CKEY_3DES_2KEY = 0x3,
+};
+
+enum sec_bd_type {
+ SEC_BD_TYPE1 = 0x1,
+ SEC_BD_TYPE2 = 0x2,
+ SEC_BD_TYPE3 = 0x3,
+};
+
+enum sec_auth {
+ SEC_NO_AUTH = 0x0,
+ SEC_AUTH_TYPE1 = 0x1,
+ SEC_AUTH_TYPE2 = 0x2,
+};
+
+enum sec_cipher_dir {
+ SEC_CIPHER_ENC = 0x1,
+ SEC_CIPHER_DEC = 0x2,
+};
+
+enum sec_addr_type {
+ SEC_PBUF = 0x0,
+ SEC_SGL = 0x1,
+ SEC_PRP = 0x2,
+};
+
+struct bd_status {
+ u64 tag;
+ u8 done;
+ u8 err_type;
+ u16 flag;
+ u16 icv;
+};
+
+enum {
+ AUTHPAD_PAD,
+ AUTHPAD_NOPAD,
+};
+
+enum {
+ AIGEN_GEN,
+ AIGEN_NOGEN,
+};
+
+struct sec_sqe_type2 {
+ /*
+ * mac_len: 0~4 bits
+ * a_key_len: 5~10 bits
+ * a_alg: 11~16 bits
+ */
+ __le32 mac_key_alg;
+
+ /*
+ * c_icv_len: 0~5 bits
+ * c_width: 6~8 bits
+ * c_key_len: 9~11 bits
+ * c_mode: 12~15 bits
+ */
+ __le16 icvw_kmode;
+
+ /* c_alg: 0~3 bits */
+ __u8 c_alg;
+ __u8 rsvd4;
+
+ /*
+ * a_len: 0~23 bits
+ * iv_offset_l: 24~31 bits
+ */
+ __le32 alen_ivllen;
+
+ /*
+ * c_len: 0~23 bits
+ * iv_offset_h: 24~31 bits
+ */
+ __le32 clen_ivhlen;
+
+ __le16 auth_src_offset;
+ __le16 cipher_src_offset;
+ __le16 cs_ip_header_offset;
+ __le16 cs_udp_header_offset;
+ __le16 pass_word_len;
+ __le16 dk_len;
+ __u8 salt3;
+ __u8 salt2;
+ __u8 salt1;
+ __u8 salt0;
+
+ __le16 tag;
+ __le16 rsvd5;
+
+ /*
+ * c_pad_type: 0~3 bits
+ * c_pad_len: 4~11 bits
+ * c_pad_data_type: 12~15 bits
+ */
+ __le16 cph_pad;
+
+ /* c_pad_len_field: 0~1 bits */
+ __le16 c_pad_len_field;
+
+ __le64 long_a_data_len;
+ __le64 a_ivin_addr;
+ __le64 a_key_addr;
+ __le64 mac_addr;
+ __le64 c_ivin_addr;
+ __le64 c_key_addr;
+
+ __le64 data_src_addr;
+ __le64 data_dst_addr;
+
+ /*
+ * done: 0 bit
+ * icv: 1~3 bits
+ * csc: 4~6 bits
+ * flag: 7-10 bits
+ * dif_check: 11~13 bits
+ */
+ __le16 done_flag;
+
+ __u8 error_type;
+ __u8 warning_type;
+ __u8 mac_i3;
+ __u8 mac_i2;
+ __u8 mac_i1;
+ __u8 mac_i0;
+ __le16 check_sum_i;
+ __u8 tls_pad_len_i;
+ __u8 rsvd12;
+ __le32 counter;
+};
+
+struct sec_sqe {
+ /*
+ * type: 0~3 bits
+ * cipher: 4~5 bits
+ * auth: 6~7 bit s
+ */
+ __u8 type_cipher_auth;
+
+ /*
+ * seq: 0 bit
+ * de: 1~2 bits
+ * scene: 3~6 bits
+ * src_addr_type: ~7 bit, with sdm_addr_type 0-1 bits
+ */
+ __u8 sds_sa_type;
+
+ /*
+ * src_addr_type: 0~1 bits, not used now,
+ * if support PRP, set this field, or set zero.
+ * dst_addr_type: 2~4 bits
+ * mac_addr_type: 5~7 bits
+ */
+ __u8 sdm_addr_type;
+ __u8 rsvd0;
+
+ /*
+ * nonce_len(type2): 0~3 bits
+ * huk(type2): 4 bit
+ * key_s(type2): 5 bit
+ * ci_gen: 6~7 bits
+ */
+ __u8 huk_key_ci;
+
+ /*
+ * ai_gen: 0~1 bits
+ * a_pad(type2): 2~3 bits
+ * c_s(type2): 4~5 bits
+ */
+ __u8 ai_apd_cs;
+
+ /*
+ * rhf(type2): 0 bit
+ * c_key_type: 1~2 bits
+ * a_key_type: 3~4 bits
+ * write_frame_len(type2): 5~7 bits
+ */
+ __u8 rca_key_frm;
+
+ /*
+ * cal_iv_addr_en(type2): 0 bit
+ * tls_up(type2): 1 bit
+ * inveld: 7 bit
+ */
+ __u8 iv_tls_ld;
+
+ /* Just using type2 BD now */
+ struct sec_sqe_type2 type2;
+};
+
+struct bd3_auth_ivin {
+ __le64 a_ivin_addr;
+ __le32 rsvd0;
+ __le32 rsvd1;
+} __packed __aligned(4);
+
+struct bd3_skip_data {
+ __le32 rsvd0;
+
+ /*
+ * gran_num: 0~15 bits
+ * reserved: 16~31 bits
+ */
+ __le32 gran_num;
+
+ /*
+ * src_skip_data_len: 0~24 bits
+ * reserved: 25~31 bits
+ */
+ __le32 src_skip_data_len;
+
+ /*
+ * dst_skip_data_len: 0~24 bits
+ * reserved: 25~31 bits
+ */
+ __le32 dst_skip_data_len;
+};
+
+struct bd3_stream_scene {
+ __le64 c_ivin_addr;
+ __le64 long_a_data_len;
+
+ /*
+ * auth_pad: 0~1 bits
+ * stream_protocol: 2~4 bits
+ * reserved: 5~7 bits
+ */
+ __u8 stream_auth_pad;
+ __u8 plaintext_type;
+ __le16 pad_len_1p3;
+} __packed __aligned(4);
+
+struct bd3_no_scene {
+ __le64 c_ivin_addr;
+ __le32 rsvd0;
+ __le32 rsvd1;
+ __le32 rsvd2;
+} __packed __aligned(4);
+
+struct bd3_check_sum {
+ __u8 rsvd0;
+ __u8 hac_sva_status;
+ __le16 check_sum_i;
+};
+
+struct bd3_tls_type_back {
+ __u8 tls_1p3_type_back;
+ __u8 hac_sva_status;
+ __le16 pad_len_1p3_back;
+};
+
+struct sec_sqe3 {
+ /*
+ * type: 0~3 bit
+ * bd_invalid: 4 bit
+ * scene: 5~8 bit
+ * de: 9~10 bit
+ * src_addr_type: 11~13 bit
+ * dst_addr_type: 14~16 bit
+ * mac_addr_type: 17~19 bit
+ * reserved: 20~31 bits
+ */
+ __le32 bd_param;
+
+ /*
+ * cipher: 0~1 bits
+ * ci_gen: 2~3 bit
+ * c_icv_len: 4~9 bit
+ * c_width: 10~12 bits
+ * c_key_len: 13~15 bits
+ */
+ __le16 c_icv_key;
+
+ /*
+ * c_mode : 0~3 bits
+ * c_alg : 4~7 bits
+ */
+ __u8 c_mode_alg;
+
+ /*
+ * nonce_len : 0~3 bits
+ * huk : 4 bits
+ * cal_iv_addr_en : 5 bits
+ * seq : 6 bits
+ * reserved : 7 bits
+ */
+ __u8 huk_iv_seq;
+
+ __le64 tag;
+ __le64 data_src_addr;
+ __le64 a_key_addr;
+ union {
+ struct bd3_auth_ivin auth_ivin;
+ struct bd3_skip_data skip_data;
+ };
+
+ __le64 c_key_addr;
+
+ /*
+ * auth: 0~1 bits
+ * ai_gen: 2~3 bits
+ * mac_len: 4~8 bits
+ * akey_len: 9~14 bits
+ * a_alg: 15~20 bits
+ * key_sel: 21~24 bits
+ * ctr_count_mode/sm4_xts: 25~26 bits
+ * sva_prefetch: 27 bits
+ * key_wrap_num: 28~30 bits
+ * update_key: 31 bits
+ */
+ __le32 auth_mac_key;
+ __le32 salt;
+ __le16 auth_src_offset;
+ __le16 cipher_src_offset;
+
+ /*
+ * auth_len: 0~23 bit
+ * auth_key_offset: 24~31 bits
+ */
+ __le32 a_len_key;
+
+ /*
+ * cipher_len: 0~23 bit
+ * auth_ivin_offset: 24~31 bits
+ */
+ __le32 c_len_ivin;
+ __le64 data_dst_addr;
+ __le64 mac_addr;
+ union {
+ struct bd3_stream_scene stream_scene;
+ struct bd3_no_scene no_scene;
+ };
+
+ /*
+ * done: 0 bit
+ * icv: 1~3 bit
+ * csc: 4~6 bit
+ * flag: 7~10 bit
+ * reserved: 11~15 bit
+ */
+ __le16 done_flag;
+ __u8 error_type;
+ __u8 warning_type;
+ union {
+ __le32 mac_i;
+ __le32 kek_key_addr_l;
+ };
+ union {
+ __le32 kek_key_addr_h;
+ struct bd3_check_sum check_sum;
+ struct bd3_tls_type_back tls_type_back;
+ };
+ __le32 counter;
+} __packed __aligned(4);
+
+int sec_register_to_crypto(struct hisi_qm *qm);
+void sec_unregister_from_crypto(struct hisi_qm *qm);
+#endif
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
new file mode 100644
index 000000000..4bab5000a
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -0,0 +1,1383 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#include <linux/acpi.h>
+#include <linux/aer.h>
+#include <linux/bitops.h>
+#include <linux/debugfs.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iommu.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <linux/seq_file.h>
+#include <linux/topology.h>
+#include <linux/uacce.h>
+
+#include "sec.h"
+
+#define SEC_VF_NUM 63
+#define SEC_QUEUE_NUM_V1 4096
+#define PCI_DEVICE_ID_HUAWEI_SEC_PF 0xa255
+
+#define SEC_BD_ERR_CHK_EN0 0xEFFFFFFF
+#define SEC_BD_ERR_CHK_EN1 0x7ffff7fd
+#define SEC_BD_ERR_CHK_EN3 0xffffbfff
+
+#define SEC_SQE_SIZE 128
+#define SEC_PF_DEF_Q_NUM 256
+#define SEC_PF_DEF_Q_BASE 0
+#define SEC_CTX_Q_NUM_DEF 2
+#define SEC_CTX_Q_NUM_MAX 32
+
+#define SEC_CTRL_CNT_CLR_CE 0x301120
+#define SEC_CTRL_CNT_CLR_CE_BIT BIT(0)
+#define SEC_CORE_INT_SOURCE 0x301010
+#define SEC_CORE_INT_MASK 0x301000
+#define SEC_CORE_INT_STATUS 0x301008
+#define SEC_CORE_SRAM_ECC_ERR_INFO 0x301C14
+#define SEC_ECC_NUM 16
+#define SEC_ECC_MASH 0xFF
+#define SEC_CORE_INT_DISABLE 0x0
+
+#define SEC_RAS_CE_REG 0x301050
+#define SEC_RAS_FE_REG 0x301054
+#define SEC_RAS_NFE_REG 0x301058
+#define SEC_RAS_FE_ENB_MSK 0x0
+#define SEC_OOO_SHUTDOWN_SEL 0x301014
+#define SEC_RAS_DISABLE 0x0
+#define SEC_MEM_START_INIT_REG 0x301100
+#define SEC_MEM_INIT_DONE_REG 0x301104
+
+/* clock gating */
+#define SEC_CONTROL_REG 0x301200
+#define SEC_DYNAMIC_GATE_REG 0x30121c
+#define SEC_CORE_AUTO_GATE 0x30212c
+#define SEC_DYNAMIC_GATE_EN 0x7bff
+#define SEC_CORE_AUTO_GATE_EN GENMASK(3, 0)
+#define SEC_CLK_GATE_ENABLE BIT(3)
+#define SEC_CLK_GATE_DISABLE (~BIT(3))
+
+#define SEC_TRNG_EN_SHIFT 8
+#define SEC_AXI_SHUTDOWN_ENABLE BIT(12)
+#define SEC_AXI_SHUTDOWN_DISABLE 0xFFFFEFFF
+
+#define SEC_INTERFACE_USER_CTRL0_REG 0x301220
+#define SEC_INTERFACE_USER_CTRL1_REG 0x301224
+#define SEC_SAA_EN_REG 0x301270
+#define SEC_BD_ERR_CHK_EN_REG0 0x301380
+#define SEC_BD_ERR_CHK_EN_REG1 0x301384
+#define SEC_BD_ERR_CHK_EN_REG3 0x30138c
+
+#define SEC_USER0_SMMU_NORMAL (BIT(23) | BIT(15))
+#define SEC_USER1_SMMU_NORMAL (BIT(31) | BIT(23) | BIT(15) | BIT(7))
+#define SEC_USER1_ENABLE_CONTEXT_SSV BIT(24)
+#define SEC_USER1_ENABLE_DATA_SSV BIT(16)
+#define SEC_USER1_WB_CONTEXT_SSV BIT(8)
+#define SEC_USER1_WB_DATA_SSV BIT(0)
+#define SEC_USER1_SVA_SET (SEC_USER1_ENABLE_CONTEXT_SSV | \
+ SEC_USER1_ENABLE_DATA_SSV | \
+ SEC_USER1_WB_CONTEXT_SSV | \
+ SEC_USER1_WB_DATA_SSV)
+#define SEC_USER1_SMMU_SVA (SEC_USER1_SMMU_NORMAL | SEC_USER1_SVA_SET)
+#define SEC_USER1_SMMU_MASK (~SEC_USER1_SVA_SET)
+#define SEC_INTERFACE_USER_CTRL0_REG_V3 0x302220
+#define SEC_INTERFACE_USER_CTRL1_REG_V3 0x302224
+#define SEC_USER1_SMMU_NORMAL_V3 (BIT(23) | BIT(17) | BIT(11) | BIT(5))
+#define SEC_USER1_SMMU_MASK_V3 0xFF79E79E
+#define SEC_CORE_INT_STATUS_M_ECC BIT(2)
+
+#define SEC_PREFETCH_CFG 0x301130
+#define SEC_SVA_TRANS 0x301EC4
+#define SEC_PREFETCH_ENABLE (~(BIT(0) | BIT(1) | BIT(11)))
+#define SEC_PREFETCH_DISABLE BIT(1)
+#define SEC_SVA_DISABLE_READY (BIT(7) | BIT(11))
+
+#define SEC_DELAY_10_US 10
+#define SEC_POLL_TIMEOUT_US 1000
+#define SEC_DBGFS_VAL_MAX_LEN 20
+#define SEC_SINGLE_PORT_MAX_TRANS 0x2060
+
+#define SEC_SQE_MASK_OFFSET 64
+#define SEC_SQE_MASK_LEN 48
+#define SEC_SHAPER_TYPE_RATE 400
+
+#define SEC_DFX_BASE 0x301000
+#define SEC_DFX_CORE 0x302100
+#define SEC_DFX_COMMON1 0x301600
+#define SEC_DFX_COMMON2 0x301C00
+#define SEC_DFX_BASE_LEN 0x9D
+#define SEC_DFX_CORE_LEN 0x32B
+#define SEC_DFX_COMMON1_LEN 0x45
+#define SEC_DFX_COMMON2_LEN 0xBA
+
+#define SEC_ALG_BITMAP_SHIFT 32
+
+#define SEC_CIPHER_BITMAP (GENMASK_ULL(5, 0) | GENMASK_ULL(16, 12) | \
+ GENMASK(24, 21))
+#define SEC_DIGEST_BITMAP (GENMASK_ULL(11, 8) | GENMASK_ULL(20, 19) | \
+ GENMASK_ULL(42, 25))
+#define SEC_AEAD_BITMAP (GENMASK_ULL(7, 6) | GENMASK_ULL(18, 17) | \
+ GENMASK_ULL(45, 43))
+
+struct sec_hw_error {
+ u32 int_msk;
+ const char *msg;
+};
+
+struct sec_dfx_item {
+ const char *name;
+ u32 offset;
+};
+
+static const char sec_name[] = "hisi_sec2";
+static struct dentry *sec_debugfs_root;
+
+static struct hisi_qm_list sec_devices = {
+ .register_to_crypto = sec_register_to_crypto,
+ .unregister_from_crypto = sec_unregister_from_crypto,
+};
+
+static const struct hisi_qm_cap_info sec_basic_info[] = {
+ {SEC_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C77, 0x7C77},
+ {SEC_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC77, 0x6C77},
+ {SEC_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77},
+ {SEC_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8},
+ {SEC_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x177, 0x60177},
+ {SEC_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x177, 0x177},
+ {SEC_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x4, 0x177},
+ {SEC_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x88, 0xC088},
+ {SEC_CLUSTER_NUM_CAP, 0x313c, 20, GENMASK(3, 0), 0x1, 0x1, 0x1},
+ {SEC_CORE_TYPE_NUM_CAP, 0x313c, 16, GENMASK(3, 0), 0x1, 0x1, 0x1},
+ {SEC_CORE_NUM_CAP, 0x313c, 8, GENMASK(7, 0), 0x4, 0x4, 0x4},
+ {SEC_CORES_PER_CLUSTER_NUM_CAP, 0x313c, 0, GENMASK(7, 0), 0x4, 0x4, 0x4},
+ {SEC_CORE_ENABLE_BITMAP, 0x3140, 32, GENMASK(31, 0), 0x17F, 0x17F, 0xF},
+ {SEC_DRV_ALG_BITMAP_LOW, 0x3144, 0, GENMASK(31, 0), 0x18050CB, 0x18050CB, 0x187F0FF},
+ {SEC_DRV_ALG_BITMAP_HIGH, 0x3148, 0, GENMASK(31, 0), 0x395C, 0x395C, 0x395C},
+ {SEC_DEV_ALG_BITMAP_LOW, 0x314c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_DEV_ALG_BITMAP_HIGH, 0x3150, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE1_ALG_BITMAP_LOW, 0x3154, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE1_ALG_BITMAP_HIGH, 0x3158, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE2_ALG_BITMAP_LOW, 0x315c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE2_ALG_BITMAP_HIGH, 0x3160, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE3_ALG_BITMAP_LOW, 0x3164, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE3_ALG_BITMAP_HIGH, 0x3168, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE4_ALG_BITMAP_LOW, 0x316c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE4_ALG_BITMAP_HIGH, 0x3170, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+};
+
+static const u32 sec_pre_store_caps[] = {
+ SEC_DRV_ALG_BITMAP_LOW,
+ SEC_DRV_ALG_BITMAP_HIGH,
+ SEC_DEV_ALG_BITMAP_LOW,
+ SEC_DEV_ALG_BITMAP_HIGH,
+};
+
+static const struct qm_dev_alg sec_dev_algs[] = { {
+ .alg_msk = SEC_CIPHER_BITMAP,
+ .alg = "cipher\n",
+ }, {
+ .alg_msk = SEC_DIGEST_BITMAP,
+ .alg = "digest\n",
+ }, {
+ .alg_msk = SEC_AEAD_BITMAP,
+ .alg = "aead\n",
+ },
+};
+
+static const struct sec_hw_error sec_hw_errors[] = {
+ {
+ .int_msk = BIT(0),
+ .msg = "sec_axi_rresp_err_rint"
+ },
+ {
+ .int_msk = BIT(1),
+ .msg = "sec_axi_bresp_err_rint"
+ },
+ {
+ .int_msk = BIT(2),
+ .msg = "sec_ecc_2bit_err_rint"
+ },
+ {
+ .int_msk = BIT(3),
+ .msg = "sec_ecc_1bit_err_rint"
+ },
+ {
+ .int_msk = BIT(4),
+ .msg = "sec_req_trng_timeout_rint"
+ },
+ {
+ .int_msk = BIT(5),
+ .msg = "sec_fsm_hbeat_rint"
+ },
+ {
+ .int_msk = BIT(6),
+ .msg = "sec_channel_req_rng_timeout_rint"
+ },
+ {
+ .int_msk = BIT(7),
+ .msg = "sec_bd_err_rint"
+ },
+ {
+ .int_msk = BIT(8),
+ .msg = "sec_chain_buff_err_rint"
+ },
+ {
+ .int_msk = BIT(14),
+ .msg = "sec_no_secure_access"
+ },
+ {
+ .int_msk = BIT(15),
+ .msg = "sec_wrapping_key_auth_err"
+ },
+ {
+ .int_msk = BIT(16),
+ .msg = "sec_km_key_crc_fail"
+ },
+ {
+ .int_msk = BIT(17),
+ .msg = "sec_axi_poison_err"
+ },
+ {
+ .int_msk = BIT(18),
+ .msg = "sec_sva_err"
+ },
+ {}
+};
+
+static const char * const sec_dbg_file_name[] = {
+ [SEC_CLEAR_ENABLE] = "clear_enable",
+};
+
+static struct sec_dfx_item sec_dfx_labels[] = {
+ {"send_cnt", offsetof(struct sec_dfx, send_cnt)},
+ {"recv_cnt", offsetof(struct sec_dfx, recv_cnt)},
+ {"send_busy_cnt", offsetof(struct sec_dfx, send_busy_cnt)},
+ {"recv_busy_cnt", offsetof(struct sec_dfx, recv_busy_cnt)},
+ {"err_bd_cnt", offsetof(struct sec_dfx, err_bd_cnt)},
+ {"invalid_req_cnt", offsetof(struct sec_dfx, invalid_req_cnt)},
+ {"done_flag_cnt", offsetof(struct sec_dfx, done_flag_cnt)},
+};
+
+static const struct debugfs_reg32 sec_dfx_regs[] = {
+ {"SEC_PF_ABNORMAL_INT_SOURCE ", 0x301010},
+ {"SEC_SAA_EN ", 0x301270},
+ {"SEC_BD_LATENCY_MIN ", 0x301600},
+ {"SEC_BD_LATENCY_MAX ", 0x301608},
+ {"SEC_BD_LATENCY_AVG ", 0x30160C},
+ {"SEC_BD_NUM_IN_SAA0 ", 0x301670},
+ {"SEC_BD_NUM_IN_SAA1 ", 0x301674},
+ {"SEC_BD_NUM_IN_SEC ", 0x301680},
+ {"SEC_ECC_1BIT_CNT ", 0x301C00},
+ {"SEC_ECC_1BIT_INFO ", 0x301C04},
+ {"SEC_ECC_2BIT_CNT ", 0x301C10},
+ {"SEC_ECC_2BIT_INFO ", 0x301C14},
+ {"SEC_BD_SAA0 ", 0x301C20},
+ {"SEC_BD_SAA1 ", 0x301C24},
+ {"SEC_BD_SAA2 ", 0x301C28},
+ {"SEC_BD_SAA3 ", 0x301C2C},
+ {"SEC_BD_SAA4 ", 0x301C30},
+ {"SEC_BD_SAA5 ", 0x301C34},
+ {"SEC_BD_SAA6 ", 0x301C38},
+ {"SEC_BD_SAA7 ", 0x301C3C},
+ {"SEC_BD_SAA8 ", 0x301C40},
+};
+
+/* define the SEC's dfx regs region and region length */
+static struct dfx_diff_registers sec_diff_regs[] = {
+ {
+ .reg_offset = SEC_DFX_BASE,
+ .reg_len = SEC_DFX_BASE_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON1,
+ .reg_len = SEC_DFX_COMMON1_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON2,
+ .reg_len = SEC_DFX_COMMON2_LEN,
+ }, {
+ .reg_offset = SEC_DFX_CORE,
+ .reg_len = SEC_DFX_CORE_LEN,
+ },
+};
+
+static int sec_diff_regs_show(struct seq_file *s, void *unused)
+{
+ struct hisi_qm *qm = s->private;
+
+ hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs,
+ ARRAY_SIZE(sec_diff_regs));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(sec_diff_regs);
+
+static bool pf_q_num_flag;
+static int sec_pf_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ pf_q_num_flag = true;
+
+ return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_SEC_PF);
+}
+
+static const struct kernel_param_ops sec_pf_q_num_ops = {
+ .set = sec_pf_q_num_set,
+ .get = param_get_int,
+};
+
+static u32 pf_q_num = SEC_PF_DEF_Q_NUM;
+module_param_cb(pf_q_num, &sec_pf_q_num_ops, &pf_q_num, 0444);
+MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 2-4096, v2 2-1024)");
+
+static int sec_ctx_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ u32 ctx_q_num;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = kstrtou32(val, 10, &ctx_q_num);
+ if (ret)
+ return -EINVAL;
+
+ if (!ctx_q_num || ctx_q_num > SEC_CTX_Q_NUM_MAX || ctx_q_num & 0x1) {
+ pr_err("ctx queue num[%u] is invalid!\n", ctx_q_num);
+ return -EINVAL;
+ }
+
+ return param_set_int(val, kp);
+}
+
+static const struct kernel_param_ops sec_ctx_q_num_ops = {
+ .set = sec_ctx_q_num_set,
+ .get = param_get_int,
+};
+static u32 ctx_q_num = SEC_CTX_Q_NUM_DEF;
+module_param_cb(ctx_q_num, &sec_ctx_q_num_ops, &ctx_q_num, 0444);
+MODULE_PARM_DESC(ctx_q_num, "Queue num in ctx (2 default, 2, 4, ..., 32)");
+
+static const struct kernel_param_ops vfs_num_ops = {
+ .set = vfs_num_set,
+ .get = param_get_int,
+};
+
+static u32 vfs_num;
+module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
+MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
+
+void sec_destroy_qps(struct hisi_qp **qps, int qp_num)
+{
+ hisi_qm_free_qps(qps, qp_num);
+ kfree(qps);
+}
+
+struct hisi_qp **sec_create_qps(void)
+{
+ int node = cpu_to_node(smp_processor_id());
+ u32 ctx_num = ctx_q_num;
+ struct hisi_qp **qps;
+ int ret;
+
+ qps = kcalloc(ctx_num, sizeof(struct hisi_qp *), GFP_KERNEL);
+ if (!qps)
+ return NULL;
+
+ ret = hisi_qm_alloc_qps_node(&sec_devices, ctx_num, 0, node, qps);
+ if (!ret)
+ return qps;
+
+ kfree(qps);
+ return NULL;
+}
+
+u64 sec_get_alg_bitmap(struct hisi_qm *qm, u32 high, u32 low)
+{
+ u32 cap_val_h, cap_val_l;
+
+ cap_val_h = qm->cap_tables.dev_cap_table[high].cap_val;
+ cap_val_l = qm->cap_tables.dev_cap_table[low].cap_val;
+
+ return ((u64)cap_val_h << SEC_ALG_BITMAP_SHIFT) | (u64)cap_val_l;
+}
+
+static const struct kernel_param_ops sec_uacce_mode_ops = {
+ .set = uacce_mode_set,
+ .get = param_get_int,
+};
+
+/*
+ * uacce_mode = 0 means sec only register to crypto,
+ * uacce_mode = 1 means sec both register to crypto and uacce.
+ */
+static u32 uacce_mode = UACCE_MODE_NOUACCE;
+module_param_cb(uacce_mode, &sec_uacce_mode_ops, &uacce_mode, 0444);
+MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC);
+
+static const struct pci_device_id sec_dev_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_SEC_PF) },
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_SEC_VF) },
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, sec_dev_ids);
+
+static void sec_set_endian(struct hisi_qm *qm)
+{
+ u32 reg;
+
+ reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ reg &= ~(BIT(1) | BIT(0));
+ if (!IS_ENABLED(CONFIG_64BIT))
+ reg |= BIT(1);
+
+
+ if (!IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+ reg |= BIT(0);
+
+ writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_engine_sva_config(struct hisi_qm *qm)
+{
+ u32 reg;
+
+ if (qm->ver > QM_HW_V2) {
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG_V3);
+ reg |= SEC_USER0_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG_V3);
+
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG_V3);
+ reg &= SEC_USER1_SMMU_MASK_V3;
+ reg |= SEC_USER1_SMMU_NORMAL_V3;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG_V3);
+ } else {
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG);
+ reg |= SEC_USER0_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG);
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG);
+ reg &= SEC_USER1_SMMU_MASK;
+ if (qm->use_sva)
+ reg |= SEC_USER1_SMMU_SVA;
+ else
+ reg |= SEC_USER1_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG);
+ }
+}
+
+static void sec_open_sva_prefetch(struct hisi_qm *qm)
+{
+ u32 val;
+ int ret;
+
+ if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps))
+ return;
+
+ /* Enable prefetch */
+ val = readl_relaxed(qm->io_base + SEC_PREFETCH_CFG);
+ val &= SEC_PREFETCH_ENABLE;
+ writel(val, qm->io_base + SEC_PREFETCH_CFG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_PREFETCH_CFG,
+ val, !(val & SEC_PREFETCH_DISABLE),
+ SEC_DELAY_10_US, SEC_POLL_TIMEOUT_US);
+ if (ret)
+ pci_err(qm->pdev, "failed to open sva prefetch\n");
+}
+
+static void sec_close_sva_prefetch(struct hisi_qm *qm)
+{
+ u32 val;
+ int ret;
+
+ if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps))
+ return;
+
+ val = readl_relaxed(qm->io_base + SEC_PREFETCH_CFG);
+ val |= SEC_PREFETCH_DISABLE;
+ writel(val, qm->io_base + SEC_PREFETCH_CFG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_SVA_TRANS,
+ val, !(val & SEC_SVA_DISABLE_READY),
+ SEC_DELAY_10_US, SEC_POLL_TIMEOUT_US);
+ if (ret)
+ pci_err(qm->pdev, "failed to close sva prefetch\n");
+}
+
+static void sec_enable_clock_gate(struct hisi_qm *qm)
+{
+ u32 val;
+
+ if (qm->ver < QM_HW_V3)
+ return;
+
+ val = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ val |= SEC_CLK_GATE_ENABLE;
+ writel_relaxed(val, qm->io_base + SEC_CONTROL_REG);
+
+ val = readl(qm->io_base + SEC_DYNAMIC_GATE_REG);
+ val |= SEC_DYNAMIC_GATE_EN;
+ writel(val, qm->io_base + SEC_DYNAMIC_GATE_REG);
+
+ val = readl(qm->io_base + SEC_CORE_AUTO_GATE);
+ val |= SEC_CORE_AUTO_GATE_EN;
+ writel(val, qm->io_base + SEC_CORE_AUTO_GATE);
+}
+
+static void sec_disable_clock_gate(struct hisi_qm *qm)
+{
+ u32 val;
+
+ /* Kunpeng920 needs to close clock gating */
+ val = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ val &= SEC_CLK_GATE_DISABLE;
+ writel_relaxed(val, qm->io_base + SEC_CONTROL_REG);
+}
+
+static int sec_engine_init(struct hisi_qm *qm)
+{
+ int ret;
+ u32 reg;
+
+ /* disable clock gate control before mem init */
+ sec_disable_clock_gate(qm);
+
+ writel_relaxed(0x1, qm->io_base + SEC_MEM_START_INIT_REG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_MEM_INIT_DONE_REG,
+ reg, reg & 0x1, SEC_DELAY_10_US,
+ SEC_POLL_TIMEOUT_US);
+ if (ret) {
+ pci_err(qm->pdev, "fail to init sec mem\n");
+ return ret;
+ }
+
+ reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ reg |= (0x1 << SEC_TRNG_EN_SHIFT);
+ writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
+
+ sec_engine_sva_config(qm);
+
+ writel(SEC_SINGLE_PORT_MAX_TRANS,
+ qm->io_base + AM_CFG_SINGLE_PORT_MAX_TRANS);
+
+ reg = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_CORE_ENABLE_BITMAP, qm->cap_ver);
+ writel(reg, qm->io_base + SEC_SAA_EN_REG);
+
+ if (qm->ver < QM_HW_V3) {
+ /* HW V2 enable sm4 extra mode, as ctr/ecb */
+ writel_relaxed(SEC_BD_ERR_CHK_EN0,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG0);
+
+ /* HW V2 enable sm4 xts mode multiple iv */
+ writel_relaxed(SEC_BD_ERR_CHK_EN1,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG1);
+ writel_relaxed(SEC_BD_ERR_CHK_EN3,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG3);
+ }
+
+ /* config endian */
+ sec_set_endian(qm);
+
+ sec_enable_clock_gate(qm);
+
+ return 0;
+}
+
+static int sec_set_user_domain_and_cache(struct hisi_qm *qm)
+{
+ /* qm user domain */
+ writel(AXUSER_BASE, qm->io_base + QM_ARUSER_M_CFG_1);
+ writel(ARUSER_M_CFG_ENABLE, qm->io_base + QM_ARUSER_M_CFG_ENABLE);
+ writel(AXUSER_BASE, qm->io_base + QM_AWUSER_M_CFG_1);
+ writel(AWUSER_M_CFG_ENABLE, qm->io_base + QM_AWUSER_M_CFG_ENABLE);
+ writel(WUSER_M_CFG_ENABLE, qm->io_base + QM_WUSER_M_CFG_ENABLE);
+
+ /* qm cache */
+ writel(AXI_M_CFG, qm->io_base + QM_AXI_M_CFG);
+ writel(AXI_M_CFG_ENABLE, qm->io_base + QM_AXI_M_CFG_ENABLE);
+
+ /* disable FLR triggered by BME(bus master enable) */
+ writel(PEH_AXUSER_CFG, qm->io_base + QM_PEH_AXUSER_CFG);
+ writel(PEH_AXUSER_CFG_ENABLE, qm->io_base + QM_PEH_AXUSER_CFG_ENABLE);
+
+ /* enable sqc,cqc writeback */
+ writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE |
+ CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) |
+ FIELD_PREP(CQC_CACHE_WB_THRD, 1), qm->io_base + QM_CACHE_CTL);
+
+ return sec_engine_init(qm);
+}
+
+/* sec_debug_regs_clear() - clear the sec debug regs */
+static void sec_debug_regs_clear(struct hisi_qm *qm)
+{
+ int i;
+
+ /* clear sec dfx regs */
+ writel(0x1, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++)
+ readl(qm->io_base + sec_dfx_regs[i].offset);
+
+ /* clear rdclr_en */
+ writel(0x0, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+
+ hisi_qm_debug_regs_clear(qm);
+}
+
+static void sec_master_ooo_ctrl(struct hisi_qm *qm, bool enable)
+{
+ u32 val1, val2;
+
+ val1 = readl(qm->io_base + SEC_CONTROL_REG);
+ if (enable) {
+ val1 |= SEC_AXI_SHUTDOWN_ENABLE;
+ val2 = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ } else {
+ val1 &= SEC_AXI_SHUTDOWN_DISABLE;
+ val2 = 0x0;
+ }
+
+ if (qm->ver > QM_HW_V2)
+ writel(val2, qm->io_base + SEC_OOO_SHUTDOWN_SEL);
+
+ writel(val1, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_hw_error_enable(struct hisi_qm *qm)
+{
+ u32 ce, nfe;
+
+ if (qm->ver == QM_HW_V1) {
+ writel(SEC_CORE_INT_DISABLE, qm->io_base + SEC_CORE_INT_MASK);
+ pci_info(qm->pdev, "V1 not support hw error handle\n");
+ return;
+ }
+
+ ce = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_CE_MASK_CAP, qm->cap_ver);
+ nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
+
+ /* clear SEC hw error source if having */
+ writel(ce | nfe | SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_CORE_INT_SOURCE);
+
+ /* enable RAS int */
+ writel(ce, qm->io_base + SEC_RAS_CE_REG);
+ writel(SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_RAS_FE_REG);
+ writel(nfe, qm->io_base + SEC_RAS_NFE_REG);
+
+ /* enable SEC block master OOO when nfe occurs on Kunpeng930 */
+ sec_master_ooo_ctrl(qm, true);
+
+ /* enable SEC hw error interrupts */
+ writel(ce | nfe | SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_CORE_INT_MASK);
+}
+
+static void sec_hw_error_disable(struct hisi_qm *qm)
+{
+ /* disable SEC hw error interrupts */
+ writel(SEC_CORE_INT_DISABLE, qm->io_base + SEC_CORE_INT_MASK);
+
+ /* disable SEC block master OOO when nfe occurs on Kunpeng930 */
+ sec_master_ooo_ctrl(qm, false);
+
+ /* disable RAS int */
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_CE_REG);
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_FE_REG);
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_NFE_REG);
+}
+
+static u32 sec_clear_enable_read(struct hisi_qm *qm)
+{
+ return readl(qm->io_base + SEC_CTRL_CNT_CLR_CE) &
+ SEC_CTRL_CNT_CLR_CE_BIT;
+}
+
+static int sec_clear_enable_write(struct hisi_qm *qm, u32 val)
+{
+ u32 tmp;
+
+ if (val != 1 && val)
+ return -EINVAL;
+
+ tmp = (readl(qm->io_base + SEC_CTRL_CNT_CLR_CE) &
+ ~SEC_CTRL_CNT_CLR_CE_BIT) | val;
+ writel(tmp, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+
+ return 0;
+}
+
+static ssize_t sec_debug_read(struct file *filp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct sec_debug_file *file = filp->private_data;
+ char tbuf[SEC_DBGFS_VAL_MAX_LEN];
+ struct hisi_qm *qm = file->qm;
+ u32 val;
+ int ret;
+
+ ret = hisi_qm_get_dfx_access(qm);
+ if (ret)
+ return ret;
+
+ spin_lock_irq(&file->lock);
+
+ switch (file->index) {
+ case SEC_CLEAR_ENABLE:
+ val = sec_clear_enable_read(qm);
+ break;
+ default:
+ goto err_input;
+ }
+
+ spin_unlock_irq(&file->lock);
+
+ hisi_qm_put_dfx_access(qm);
+ ret = snprintf(tbuf, SEC_DBGFS_VAL_MAX_LEN, "%u\n", val);
+ return simple_read_from_buffer(buf, count, pos, tbuf, ret);
+
+err_input:
+ spin_unlock_irq(&file->lock);
+ hisi_qm_put_dfx_access(qm);
+ return -EINVAL;
+}
+
+static ssize_t sec_debug_write(struct file *filp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct sec_debug_file *file = filp->private_data;
+ char tbuf[SEC_DBGFS_VAL_MAX_LEN];
+ struct hisi_qm *qm = file->qm;
+ unsigned long val;
+ int len, ret;
+
+ if (*pos != 0)
+ return 0;
+
+ if (count >= SEC_DBGFS_VAL_MAX_LEN)
+ return -ENOSPC;
+
+ len = simple_write_to_buffer(tbuf, SEC_DBGFS_VAL_MAX_LEN - 1,
+ pos, buf, count);
+ if (len < 0)
+ return len;
+
+ tbuf[len] = '\0';
+ if (kstrtoul(tbuf, 0, &val))
+ return -EFAULT;
+
+ ret = hisi_qm_get_dfx_access(qm);
+ if (ret)
+ return ret;
+
+ spin_lock_irq(&file->lock);
+
+ switch (file->index) {
+ case SEC_CLEAR_ENABLE:
+ ret = sec_clear_enable_write(qm, val);
+ if (ret)
+ goto err_input;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err_input;
+ }
+
+ ret = count;
+
+ err_input:
+ spin_unlock_irq(&file->lock);
+ hisi_qm_put_dfx_access(qm);
+ return ret;
+}
+
+static const struct file_operations sec_dbg_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = sec_debug_read,
+ .write = sec_debug_write,
+};
+
+static int sec_debugfs_atomic64_get(void *data, u64 *val)
+{
+ *val = atomic64_read((atomic64_t *)data);
+
+ return 0;
+}
+
+static int sec_debugfs_atomic64_set(void *data, u64 val)
+{
+ if (val)
+ return -EINVAL;
+
+ atomic64_set((atomic64_t *)data, 0);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(sec_atomic64_ops, sec_debugfs_atomic64_get,
+ sec_debugfs_atomic64_set, "%lld\n");
+
+static int sec_regs_show(struct seq_file *s, void *unused)
+{
+ hisi_qm_regs_dump(s, s->private);
+
+ return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(sec_regs);
+
+static int sec_core_debug_init(struct hisi_qm *qm)
+{
+ struct dfx_diff_registers *sec_regs = qm->debug.acc_diff_regs;
+ struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
+ struct device *dev = &qm->pdev->dev;
+ struct sec_dfx *dfx = &sec->debug.dfx;
+ struct debugfs_regset32 *regset;
+ struct dentry *tmp_d;
+ int i;
+
+ tmp_d = debugfs_create_dir("sec_dfx", qm->debug.debug_root);
+
+ regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
+ if (!regset)
+ return -ENOMEM;
+
+ regset->regs = sec_dfx_regs;
+ regset->nregs = ARRAY_SIZE(sec_dfx_regs);
+ regset->base = qm->io_base;
+ regset->dev = dev;
+
+ if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF)
+ debugfs_create_file("regs", 0444, tmp_d, regset, &sec_regs_fops);
+ if (qm->fun_type == QM_HW_PF && sec_regs)
+ debugfs_create_file("diff_regs", 0444, tmp_d,
+ qm, &sec_diff_regs_fops);
+
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_labels); i++) {
+ atomic64_t *data = (atomic64_t *)((uintptr_t)dfx +
+ sec_dfx_labels[i].offset);
+ debugfs_create_file(sec_dfx_labels[i].name, 0644,
+ tmp_d, data, &sec_atomic64_ops);
+ }
+
+ return 0;
+}
+
+static int sec_debug_init(struct hisi_qm *qm)
+{
+ struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
+ int i;
+
+ if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF) {
+ for (i = SEC_CLEAR_ENABLE; i < SEC_DEBUG_FILE_NUM; i++) {
+ spin_lock_init(&sec->debug.files[i].lock);
+ sec->debug.files[i].index = i;
+ sec->debug.files[i].qm = qm;
+
+ debugfs_create_file(sec_dbg_file_name[i], 0600,
+ qm->debug.debug_root,
+ sec->debug.files + i,
+ &sec_dbg_fops);
+ }
+ }
+
+ return sec_core_debug_init(qm);
+}
+
+static int sec_debugfs_init(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ int ret;
+
+ qm->debug.debug_root = debugfs_create_dir(dev_name(dev),
+ sec_debugfs_root);
+ qm->debug.sqe_mask_offset = SEC_SQE_MASK_OFFSET;
+ qm->debug.sqe_mask_len = SEC_SQE_MASK_LEN;
+
+ ret = hisi_qm_regs_debugfs_init(qm, sec_diff_regs, ARRAY_SIZE(sec_diff_regs));
+ if (ret) {
+ dev_warn(dev, "Failed to init SEC diff regs!\n");
+ goto debugfs_remove;
+ }
+
+ hisi_qm_debug_init(qm);
+
+ ret = sec_debug_init(qm);
+ if (ret)
+ goto failed_to_create;
+
+ return 0;
+
+failed_to_create:
+ hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+debugfs_remove:
+ debugfs_remove_recursive(sec_debugfs_root);
+ return ret;
+}
+
+static void sec_debugfs_exit(struct hisi_qm *qm)
+{
+ hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+
+ debugfs_remove_recursive(qm->debug.debug_root);
+}
+
+static int sec_show_last_regs_init(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+ int i;
+
+ debug->last_words = kcalloc(ARRAY_SIZE(sec_dfx_regs),
+ sizeof(unsigned int), GFP_KERNEL);
+ if (!debug->last_words)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++)
+ debug->last_words[i] = readl_relaxed(qm->io_base +
+ sec_dfx_regs[i].offset);
+
+ return 0;
+}
+
+static void sec_show_last_regs_uninit(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+
+ if (qm->fun_type == QM_HW_VF || !debug->last_words)
+ return;
+
+ kfree(debug->last_words);
+ debug->last_words = NULL;
+}
+
+static void sec_show_last_dfx_regs(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+ struct pci_dev *pdev = qm->pdev;
+ u32 val;
+ int i;
+
+ if (qm->fun_type == QM_HW_VF || !debug->last_words)
+ return;
+
+ /* dumps last word of the debugging registers during controller reset */
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++) {
+ val = readl_relaxed(qm->io_base + sec_dfx_regs[i].offset);
+ if (val != debug->last_words[i])
+ pci_info(pdev, "%s \t= 0x%08x => 0x%08x\n",
+ sec_dfx_regs[i].name, debug->last_words[i], val);
+ }
+}
+
+static void sec_log_hw_error(struct hisi_qm *qm, u32 err_sts)
+{
+ const struct sec_hw_error *errs = sec_hw_errors;
+ struct device *dev = &qm->pdev->dev;
+ u32 err_val;
+
+ while (errs->msg) {
+ if (errs->int_msk & err_sts) {
+ dev_err(dev, "%s [error status=0x%x] found\n",
+ errs->msg, errs->int_msk);
+
+ if (SEC_CORE_INT_STATUS_M_ECC & errs->int_msk) {
+ err_val = readl(qm->io_base +
+ SEC_CORE_SRAM_ECC_ERR_INFO);
+ dev_err(dev, "multi ecc sram num=0x%x\n",
+ ((err_val) >> SEC_ECC_NUM) &
+ SEC_ECC_MASH);
+ }
+ }
+ errs++;
+ }
+}
+
+static u32 sec_get_hw_err_status(struct hisi_qm *qm)
+{
+ return readl(qm->io_base + SEC_CORE_INT_STATUS);
+}
+
+static void sec_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
+{
+ u32 nfe;
+
+ writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE);
+ nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
+ writel(nfe, qm->io_base + SEC_RAS_NFE_REG);
+}
+
+static void sec_open_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 val;
+
+ val = readl(qm->io_base + SEC_CONTROL_REG);
+ writel(val & SEC_AXI_SHUTDOWN_DISABLE, qm->io_base + SEC_CONTROL_REG);
+ writel(val | SEC_AXI_SHUTDOWN_ENABLE, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_err_info_init(struct hisi_qm *qm)
+{
+ struct hisi_qm_err_info *err_info = &qm->err_info;
+
+ err_info->fe = SEC_RAS_FE_ENB_MSK;
+ err_info->ce = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_QM_CE_MASK_CAP, qm->cap_ver);
+ err_info->nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_QM_NFE_MASK_CAP, qm->cap_ver);
+ err_info->ecc_2bits_mask = SEC_CORE_INT_STATUS_M_ECC;
+ err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_QM_RESET_MASK_CAP, qm->cap_ver);
+ err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_RESET_MASK_CAP, qm->cap_ver);
+ err_info->msi_wr_port = BIT(0);
+ err_info->acpi_rst = "SRST";
+}
+
+static const struct hisi_qm_err_ini sec_err_ini = {
+ .hw_init = sec_set_user_domain_and_cache,
+ .hw_err_enable = sec_hw_error_enable,
+ .hw_err_disable = sec_hw_error_disable,
+ .get_dev_hw_err_status = sec_get_hw_err_status,
+ .clear_dev_hw_err_status = sec_clear_hw_err_status,
+ .log_dev_hw_err = sec_log_hw_error,
+ .open_axi_master_ooo = sec_open_axi_master_ooo,
+ .open_sva_prefetch = sec_open_sva_prefetch,
+ .close_sva_prefetch = sec_close_sva_prefetch,
+ .show_last_dfx_regs = sec_show_last_dfx_regs,
+ .err_info_init = sec_err_info_init,
+};
+
+static int sec_pf_probe_init(struct sec_dev *sec)
+{
+ struct hisi_qm *qm = &sec->qm;
+ int ret;
+
+ qm->err_ini = &sec_err_ini;
+ qm->err_ini->err_info_init(qm);
+
+ ret = sec_set_user_domain_and_cache(qm);
+ if (ret)
+ return ret;
+
+ sec_open_sva_prefetch(qm);
+ hisi_qm_dev_err_init(qm);
+ sec_debug_regs_clear(qm);
+ ret = sec_show_last_regs_init(qm);
+ if (ret)
+ pci_err(qm->pdev, "Failed to init last word regs!\n");
+
+ return ret;
+}
+
+static int sec_pre_store_cap_reg(struct hisi_qm *qm)
+{
+ struct hisi_qm_cap_record *sec_cap;
+ struct pci_dev *pdev = qm->pdev;
+ size_t i, size;
+
+ size = ARRAY_SIZE(sec_pre_store_caps);
+ sec_cap = devm_kzalloc(&pdev->dev, sizeof(*sec_cap) * size, GFP_KERNEL);
+ if (!sec_cap)
+ return -ENOMEM;
+
+ for (i = 0; i < size; i++) {
+ sec_cap[i].type = sec_pre_store_caps[i];
+ sec_cap[i].cap_val = hisi_qm_get_hw_info(qm, sec_basic_info,
+ sec_pre_store_caps[i], qm->cap_ver);
+ }
+
+ qm->cap_tables.dev_cap_table = sec_cap;
+
+ return 0;
+}
+
+static int sec_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
+{
+ u64 alg_msk;
+ int ret;
+
+ qm->pdev = pdev;
+ qm->ver = pdev->revision;
+ qm->mode = uacce_mode;
+ qm->sqe_size = SEC_SQE_SIZE;
+ qm->dev_name = sec_name;
+
+ qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF) ?
+ QM_HW_PF : QM_HW_VF;
+ if (qm->fun_type == QM_HW_PF) {
+ qm->qp_base = SEC_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+ qm->debug.curr_qm_qp_num = pf_q_num;
+ qm->qm_list = &sec_devices;
+ if (pf_q_num_flag)
+ set_bit(QM_MODULE_PARAM, &qm->misc_ctl);
+ } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) {
+ /*
+ * have no way to get qm configure in VM in v1 hardware,
+ * so currently force PF to uses SEC_PF_DEF_Q_NUM, and force
+ * to trigger only one VF in v1 hardware.
+ * v2 hardware has no such problem.
+ */
+ qm->qp_base = SEC_PF_DEF_Q_NUM;
+ qm->qp_num = SEC_QUEUE_NUM_V1 - SEC_PF_DEF_Q_NUM;
+ }
+
+ ret = hisi_qm_init(qm);
+ if (ret) {
+ pci_err(qm->pdev, "Failed to init sec qm configures!\n");
+ return ret;
+ }
+
+ /* Fetch and save the value of capability registers */
+ ret = sec_pre_store_cap_reg(qm);
+ if (ret) {
+ pci_err(qm->pdev, "Failed to pre-store capability registers!\n");
+ hisi_qm_uninit(qm);
+ return ret;
+ }
+
+ alg_msk = sec_get_alg_bitmap(qm, SEC_DEV_ALG_BITMAP_HIGH_IDX, SEC_DEV_ALG_BITMAP_LOW_IDX);
+ ret = hisi_qm_set_algs(qm, alg_msk, sec_dev_algs, ARRAY_SIZE(sec_dev_algs));
+ if (ret) {
+ pci_err(qm->pdev, "Failed to set sec algs!\n");
+ hisi_qm_uninit(qm);
+ }
+
+ return ret;
+}
+
+static void sec_qm_uninit(struct hisi_qm *qm)
+{
+ hisi_qm_uninit(qm);
+}
+
+static int sec_probe_init(struct sec_dev *sec)
+{
+ u32 type_rate = SEC_SHAPER_TYPE_RATE;
+ struct hisi_qm *qm = &sec->qm;
+ int ret;
+
+ if (qm->fun_type == QM_HW_PF) {
+ ret = sec_pf_probe_init(sec);
+ if (ret)
+ return ret;
+ /* enable shaper type 0 */
+ if (qm->ver >= QM_HW_V3) {
+ type_rate |= QM_SHAPER_ENABLE;
+ qm->type_rate = type_rate;
+ }
+ }
+
+ return 0;
+}
+
+static void sec_probe_uninit(struct hisi_qm *qm)
+{
+ hisi_qm_dev_err_uninit(qm);
+}
+
+static void sec_iommu_used_check(struct sec_dev *sec)
+{
+ struct iommu_domain *domain;
+ struct device *dev = &sec->qm.pdev->dev;
+
+ domain = iommu_get_domain_for_dev(dev);
+
+ /* Check if iommu is used */
+ sec->iommu_used = false;
+ if (domain) {
+ if (domain->type & __IOMMU_DOMAIN_PAGING)
+ sec->iommu_used = true;
+ dev_info(dev, "SMMU Opened, the iommu type = %u\n",
+ domain->type);
+ }
+}
+
+static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct sec_dev *sec;
+ struct hisi_qm *qm;
+ int ret;
+
+ sec = devm_kzalloc(&pdev->dev, sizeof(*sec), GFP_KERNEL);
+ if (!sec)
+ return -ENOMEM;
+
+ qm = &sec->qm;
+ ret = sec_qm_init(qm, pdev);
+ if (ret) {
+ pci_err(pdev, "Failed to init SEC QM (%d)!\n", ret);
+ return ret;
+ }
+
+ sec->ctx_q_num = ctx_q_num;
+ sec_iommu_used_check(sec);
+
+ ret = sec_probe_init(sec);
+ if (ret) {
+ pci_err(pdev, "Failed to probe!\n");
+ goto err_qm_uninit;
+ }
+
+ ret = hisi_qm_start(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start sec qm!\n");
+ goto err_probe_uninit;
+ }
+
+ ret = sec_debugfs_init(qm);
+ if (ret)
+ pci_warn(pdev, "Failed to init debugfs!\n");
+
+ if (qm->qp_num >= ctx_q_num) {
+ ret = hisi_qm_alg_register(qm, &sec_devices);
+ if (ret < 0) {
+ pr_err("Failed to register driver to crypto.\n");
+ goto err_qm_stop;
+ }
+ } else {
+ pci_warn(qm->pdev,
+ "Failed to use kernel mode, qp not enough!\n");
+ }
+
+ if (qm->uacce) {
+ ret = uacce_register(qm->uacce);
+ if (ret) {
+ pci_err(pdev, "failed to register uacce (%d)!\n", ret);
+ goto err_alg_unregister;
+ }
+ }
+
+ if (qm->fun_type == QM_HW_PF && vfs_num) {
+ ret = hisi_qm_sriov_enable(pdev, vfs_num);
+ if (ret < 0)
+ goto err_alg_unregister;
+ }
+
+ hisi_qm_pm_init(qm);
+
+ return 0;
+
+err_alg_unregister:
+ if (qm->qp_num >= ctx_q_num)
+ hisi_qm_alg_unregister(qm, &sec_devices);
+err_qm_stop:
+ sec_debugfs_exit(qm);
+ hisi_qm_stop(qm, QM_NORMAL);
+err_probe_uninit:
+ sec_show_last_regs_uninit(qm);
+ sec_probe_uninit(qm);
+err_qm_uninit:
+ sec_qm_uninit(qm);
+ return ret;
+}
+
+static void sec_remove(struct pci_dev *pdev)
+{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+
+ hisi_qm_pm_uninit(qm);
+ hisi_qm_wait_task_finish(qm, &sec_devices);
+ if (qm->qp_num >= ctx_q_num)
+ hisi_qm_alg_unregister(qm, &sec_devices);
+
+ if (qm->fun_type == QM_HW_PF && qm->vfs_num)
+ hisi_qm_sriov_disable(pdev, true);
+
+ sec_debugfs_exit(qm);
+
+ (void)hisi_qm_stop(qm, QM_NORMAL);
+
+ if (qm->fun_type == QM_HW_PF)
+ sec_debug_regs_clear(qm);
+ sec_show_last_regs_uninit(qm);
+
+ sec_probe_uninit(qm);
+
+ sec_qm_uninit(qm);
+}
+
+static const struct dev_pm_ops sec_pm_ops = {
+ SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL)
+};
+
+static const struct pci_error_handlers sec_err_handler = {
+ .error_detected = hisi_qm_dev_err_detected,
+ .slot_reset = hisi_qm_dev_slot_reset,
+ .reset_prepare = hisi_qm_reset_prepare,
+ .reset_done = hisi_qm_reset_done,
+};
+
+static struct pci_driver sec_pci_driver = {
+ .name = "hisi_sec2",
+ .id_table = sec_dev_ids,
+ .probe = sec_probe,
+ .remove = sec_remove,
+ .err_handler = &sec_err_handler,
+ .sriov_configure = hisi_qm_sriov_configure,
+ .shutdown = hisi_qm_dev_shutdown,
+ .driver.pm = &sec_pm_ops,
+};
+
+struct pci_driver *hisi_sec_get_pf_driver(void)
+{
+ return &sec_pci_driver;
+}
+EXPORT_SYMBOL_GPL(hisi_sec_get_pf_driver);
+
+static void sec_register_debugfs(void)
+{
+ if (!debugfs_initialized())
+ return;
+
+ sec_debugfs_root = debugfs_create_dir("hisi_sec2", NULL);
+}
+
+static void sec_unregister_debugfs(void)
+{
+ debugfs_remove_recursive(sec_debugfs_root);
+}
+
+static int __init sec_init(void)
+{
+ int ret;
+
+ hisi_qm_init_list(&sec_devices);
+ sec_register_debugfs();
+
+ ret = pci_register_driver(&sec_pci_driver);
+ if (ret < 0) {
+ sec_unregister_debugfs();
+ pr_err("Failed to register pci driver.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void __exit sec_exit(void)
+{
+ pci_unregister_driver(&sec_pci_driver);
+ sec_unregister_debugfs();
+}
+
+module_init(sec_init);
+module_exit(sec_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Zaibo Xu <xuzaibo@huawei.com>");
+MODULE_AUTHOR("Longfang Liu <liulongfang@huawei.com>");
+MODULE_AUTHOR("Kai Ye <yekai13@huawei.com>");
+MODULE_AUTHOR("Wei Zhang <zhangwei375@huawei.com>");
+MODULE_DESCRIPTION("Driver for HiSilicon SEC accelerator");