// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright 2015-2016 Freescale Semiconductor Inc.
 * Copyright 2017-2019 NXP
 */

#include "compat.h"
#include "regs.h"
#include "caamalg_qi2.h"
#include "dpseci_cmd.h"
#include "desc_constr.h"
#include "error.h"
#include "sg_sw_sec4.h"
#include "sg_sw_qm2.h"
#include "key_gen.h"
#include "caamalg_desc.h"
#include "caamhash_desc.h"
#include "dpseci-debugfs.h"
#include <linux/fsl/mc.h>
#include <soc/fsl/dpaa2-io.h>
#include <soc/fsl/dpaa2-fd.h>

#define CAAM_CRA_PRIORITY       2000

/* max key is sum of AES_MAX_KEY_SIZE, max split key size */
#define CAAM_MAX_KEY_SIZE       (AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE + \
                                 SHA512_DIGEST_SIZE * 2)

/*
 * This is a a cache of buffers, from which the users of CAAM QI driver
 * can allocate short buffers. It's speedier than doing kmalloc on the hotpath.
 * NOTE: A more elegant solution would be to have some headroom in the frames
 *       being processed. This can be added by the dpaa2-eth driver. This would
 *       pose a problem for userspace application processing which cannot
 *       know of this limitation. So for now, this will work.
 * NOTE: The memcache is SMP-safe. No need to handle spinlocks in-here
 */
static struct kmem_cache *qi_cache;

struct caam_alg_entry {
        struct device *dev;
        int class1_alg_type;
        int class2_alg_type;
        bool rfc3686;
        bool geniv;
        bool nodkp;
};

struct caam_aead_alg {
        struct aead_alg aead;
        struct caam_alg_entry caam;
        bool registered;
};

struct caam_skcipher_alg {
        struct skcipher_alg skcipher;
        struct caam_alg_entry caam;
        bool registered;
};

/**
 * caam_ctx - per-session context
 * @flc: Flow Contexts array
 * @key:  [authentication key], encryption key
 * @flc_dma: I/O virtual addresses of the Flow Contexts
 * @key_dma: I/O virtual address of the key
 * @dir: DMA direction for mapping key and Flow Contexts
 * @dev: dpseci device
 * @adata: authentication algorithm details
 * @cdata: encryption algorithm details
 * @authsize: authentication tag (a.k.a. ICV / MAC) size
 */
struct caam_ctx {
        struct caam_flc flc[NUM_OP];
        u8 key[CAAM_MAX_KEY_SIZE];
        dma_addr_t flc_dma[NUM_OP];
        dma_addr_t key_dma;
        enum dma_data_direction dir;
        struct device *dev;
        struct alginfo adata;
        struct alginfo cdata;
        unsigned int authsize;
};

static void *dpaa2_caam_iova_to_virt(struct dpaa2_caam_priv *priv,
                                     dma_addr_t iova_addr)
{
        phys_addr_t phys_addr;

        phys_addr = priv->domain ? iommu_iova_to_phys(priv->domain, iova_addr) :
                                   iova_addr;

        return phys_to_virt(phys_addr);
}

/*
 * qi_cache_zalloc - Allocate buffers from CAAM-QI cache
 *
 * Allocate data on the hotpath. Instead of using kzalloc, one can use the
 * services of the CAAM QI memory cache (backed by kmem_cache). The buffers
 * will have a size of CAAM_QI_MEMCACHE_SIZE, which should be sufficient for
 * hosting 16 SG entries.
 *
 * @flags - flags that would be used for the equivalent kmalloc(..) call
 *
 * Returns a pointer to a retrieved buffer on success or NULL on failure.
 */
static inline void *qi_cache_zalloc(gfp_t flags)
{
        return kmem_cache_zalloc(qi_cache, flags);
}

/*
 * qi_cache_free - Frees buffers allocated from CAAM-QI cache
 *
 * @obj - buffer previously allocated by qi_cache_zalloc
 *
 * No checking is being done, the call is a passthrough call to
 * kmem_cache_free(...)
 */
static inline void qi_cache_free(void *obj)
{
        kmem_cache_free(qi_cache, obj);
}

static struct caam_request *to_caam_req(struct crypto_async_request *areq)
{
        switch (crypto_tfm_alg_type(areq->tfm)) {
        case CRYPTO_ALG_TYPE_SKCIPHER:
                return skcipher_request_ctx(skcipher_request_cast(areq));
        case CRYPTO_ALG_TYPE_AEAD:
                return aead_request_ctx(container_of(areq, struct aead_request,
                                                     base));
        case CRYPTO_ALG_TYPE_AHASH:
                return ahash_request_ctx(ahash_request_cast(areq));
        default:
                return ERR_PTR(-EINVAL);
        }
}

static void caam_unmap(struct device *dev, struct scatterlist *src,
                       struct scatterlist *dst, int src_nents,
                       int dst_nents, dma_addr_t iv_dma, int ivsize,
                       enum dma_data_direction iv_dir, dma_addr_t qm_sg_dma,
                       int qm_sg_bytes)
{
        if (dst != src) {
                if (src_nents)
                        dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
                if (dst_nents)
                        dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE);
        } else {
                dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
        }

        if (iv_dma)
                dma_unmap_single(dev, iv_dma, ivsize, iv_dir);

        if (qm_sg_bytes)
                dma_unmap_single(dev, qm_sg_dma, qm_sg_bytes, DMA_TO_DEVICE);
}

static int aead_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
                                                 typeof(*alg), aead);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct device *dev = ctx->dev;
        struct dpaa2_caam_priv *priv = dev_get_drvdata(dev);
        struct caam_flc *flc;
        u32 *desc;
        u32 ctx1_iv_off = 0;
        u32 *nonce = NULL;
        unsigned int data_len[2];
        u32 inl_mask;
        const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==
                               OP_ALG_AAI_CTR_MOD128);
        const bool is_rfc3686 = alg->caam.rfc3686;

        if (!ctx->cdata.keylen || !ctx->authsize)
                return 0;

        /*
         * AES-CTR needs to load IV in CONTEXT1 reg
         * at an offset of 128bits (16bytes)
         * CONTEXT1[255:128] = IV
         */
        if (ctr_mode)
                ctx1_iv_off = 16;

        /*
         * RFC3686 specific:
         *      CONTEXT1[255:128] = {NONCE, IV, COUNTER}
         */
        if (is_rfc3686) {
                ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;
                nonce = (u32 *)((void *)ctx->key + ctx->adata.keylen_pad +
                                ctx->cdata.keylen - CTR_RFC3686_NONCE_SIZE);
        }

        /*
         * In case |user key| > |derived key|, using DKP<imm,imm> would result
         * in invalid opcodes (last bytes of user key) in the resulting
         * descriptor. Use DKP<ptr,imm> instead => both virtual and dma key
         * addresses are needed.
         */
        ctx->adata.key_virt = ctx->key;
        ctx->adata.key_dma = ctx->key_dma;

        ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad;
        ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad;

        data_len[0] = ctx->adata.keylen_pad;
        data_len[1] = ctx->cdata.keylen;

        /* aead_encrypt shared descriptor */
        if (desc_inline_query((alg->caam.geniv ? DESC_QI_AEAD_GIVENC_LEN :
                                                 DESC_QI_AEAD_ENC_LEN) +
                              (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
                              DESC_JOB_IO_LEN, data_len, &inl_mask,
                              ARRAY_SIZE(data_len)) < 0)
                return -EINVAL;

        ctx->adata.key_inline = !!(inl_mask & 1);
        ctx->cdata.key_inline = !!(inl_mask & 2);

        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;

        if (alg->caam.geniv)
                cnstr_shdsc_aead_givencap(desc, &ctx->cdata, &ctx->adata,
                                          ivsize, ctx->authsize, is_rfc3686,
                                          nonce, ctx1_iv_off, true,
                                          priv->sec_attr.era);
        else
                cnstr_shdsc_aead_encap(desc, &ctx->cdata, &ctx->adata,
                                       ivsize, ctx->authsize, is_rfc3686, nonce,
                                       ctx1_iv_off, true, priv->sec_attr.era);

        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /* aead_decrypt shared descriptor */
        if (desc_inline_query(DESC_QI_AEAD_DEC_LEN +
                              (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
                              DESC_JOB_IO_LEN, data_len, &inl_mask,
                              ARRAY_SIZE(data_len)) < 0)
                return -EINVAL;

        ctx->adata.key_inline = !!(inl_mask & 1);
        ctx->cdata.key_inline = !!(inl_mask & 2);

        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_aead_decap(desc, &ctx->cdata, &ctx->adata,
                               ivsize, ctx->authsize, alg->caam.geniv,
                               is_rfc3686, nonce, ctx1_iv_off, true,
                               priv->sec_attr.era);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int aead_setauthsize(struct crypto_aead *authenc, unsigned int authsize)
{
        struct caam_ctx *ctx = crypto_aead_ctx(authenc);

        ctx->authsize = authsize;
        aead_set_sh_desc(authenc);

        return 0;
}

static int aead_setkey(struct crypto_aead *aead, const u8 *key,
                       unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        struct crypto_authenc_keys keys;

        if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
                goto badkey;

        dev_dbg(dev, "keylen %d enckeylen %d authkeylen %d\n",
                keys.authkeylen + keys.enckeylen, keys.enckeylen,
                keys.authkeylen);
        print_hex_dump_debug("key in @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

        ctx->adata.keylen = keys.authkeylen;
        ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype &
                                              OP_ALG_ALGSEL_MASK);

        if (ctx->adata.keylen_pad + keys.enckeylen > CAAM_MAX_KEY_SIZE)
                goto badkey;

        memcpy(ctx->key, keys.authkey, keys.authkeylen);
        memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen);
        dma_sync_single_for_device(dev, ctx->key_dma, ctx->adata.keylen_pad +
                                   keys.enckeylen, ctx->dir);
        print_hex_dump_debug("ctx.key@" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, ctx->key,
                             ctx->adata.keylen_pad + keys.enckeylen, 1);

        ctx->cdata.keylen = keys.enckeylen;

        memzero_explicit(&keys, sizeof(keys));
        return aead_set_sh_desc(aead);
badkey:
        crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
        memzero_explicit(&keys, sizeof(keys));
        return -EINVAL;
}

static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key,
                            unsigned int keylen)
{
        struct crypto_authenc_keys keys;
        int err;

        err = crypto_authenc_extractkeys(&keys, key, keylen);
        if (unlikely(err))
                goto badkey;

        err = -EINVAL;
        if (keys.enckeylen != DES3_EDE_KEY_SIZE)
                goto badkey;

        err = crypto_des3_ede_verify_key(crypto_aead_tfm(aead), keys.enckey) ?:
              aead_setkey(aead, key, keylen);

out:
        memzero_explicit(&keys, sizeof(keys));
        return err;

badkey:
        crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
        goto out;
}

static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
                                           bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_request *req_ctx = aead_request_ctx(req);
        struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1];
        struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0];
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
                                                 typeof(*alg), aead);
        struct device *dev = ctx->dev;
        gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
                      GFP_KERNEL : GFP_ATOMIC;
        int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
        int src_len, dst_len = 0;
        struct aead_edesc *edesc;
        dma_addr_t qm_sg_dma, iv_dma = 0;
        int ivsize = 0;
        unsigned int authsize = ctx->authsize;
        int qm_sg_index = 0, qm_sg_nents = 0, qm_sg_bytes;
        int in_len, out_len;
        struct dpaa2_sg_entry *sg_table;

        /* allocate space for base edesc, link tables and IV */
        edesc = qi_cache_zalloc(GFP_DMA | flags);
        if (unlikely(!edesc)) {
                dev_err(dev, "could not allocate extended descriptor\n");
                return ERR_PTR(-ENOMEM);
        }

        if (unlikely(req->dst != req->src)) {
                src_len = req->assoclen + req->cryptlen;
                dst_len = src_len + (encrypt ? authsize : (-authsize));

                src_nents = sg_nents_for_len(req->src, src_len);
                if (unlikely(src_nents < 0)) {
                        dev_err(dev, "Insufficient bytes (%d) in src S/G\n",
                                src_len);
                        qi_cache_free(edesc);
                        return ERR_PTR(src_nents);
                }

                dst_nents = sg_nents_for_len(req->dst, dst_len);
                if (unlikely(dst_nents < 0)) {
                        dev_err(dev, "Insufficient bytes (%d) in dst S/G\n",
                                dst_len);
                        qi_cache_free(edesc);
                        return ERR_PTR(dst_nents);
                }

                if (src_nents) {
                        mapped_src_nents = dma_map_sg(dev, req->src, src_nents,
                                                      DMA_TO_DEVICE);
                        if (unlikely(!mapped_src_nents)) {
                                dev_err(dev, "unable to map source\n");
                                qi_cache_free(edesc);
                                return ERR_PTR(-ENOMEM);
                        }
                } else {
                        mapped_src_nents = 0;
                }

                if (dst_nents) {
                        mapped_dst_nents = dma_map_sg(dev, req->dst, dst_nents,
                                                      DMA_FROM_DEVICE);
                        if (unlikely(!mapped_dst_nents)) {
                                dev_err(dev, "unable to map destination\n");
                                dma_unmap_sg(dev, req->src, src_nents,
                                             DMA_TO_DEVICE);
                                qi_cache_free(edesc);
                                return ERR_PTR(-ENOMEM);
                        }
                } else {
                        mapped_dst_nents = 0;
                }
        } else {
                src_len = req->assoclen + req->cryptlen +
                          (encrypt ? authsize : 0);

                src_nents = sg_nents_for_len(req->src, src_len);
                if (unlikely(src_nents < 0)) {
                        dev_err(dev, "Insufficient bytes (%d) in src S/G\n",
                                src_len);
                        qi_cache_free(edesc);
                        return ERR_PTR(src_nents);
                }

                mapped_src_nents = dma_map_sg(dev, req->src, src_nents,
                                              DMA_BIDIRECTIONAL);
                if (unlikely(!mapped_src_nents)) {
                        dev_err(dev, "unable to map source\n");
                        qi_cache_free(edesc);
                        return ERR_PTR(-ENOMEM);
                }
        }

        if ((alg->caam.rfc3686 && encrypt) || !alg->caam.geniv)
                ivsize = crypto_aead_ivsize(aead);

        /*
         * Create S/G table: req->assoclen, [IV,] req->src [, req->dst].
         * Input is not contiguous.
         * HW reads 4 S/G entries at a time; make sure the reads don't go beyond
         * the end of the table by allocating more S/G entries. Logic:
         * if (src != dst && output S/G)
         *      pad output S/G, if needed
         * else if (src == dst && S/G)
         *      overlapping S/Gs; pad one of them
         * else if (input S/G) ...
         *      pad input S/G, if needed
         */
        qm_sg_nents = 1 + !!ivsize + mapped_src_nents;
        if (mapped_dst_nents > 1)
                qm_sg_nents += pad_sg_nents(mapped_dst_nents);
        else if ((req->src == req->dst) && (mapped_src_nents > 1))
                qm_sg_nents = max(pad_sg_nents(qm_sg_nents),
                                  1 + !!ivsize +
                                  pad_sg_nents(mapped_src_nents));
        else
                qm_sg_nents = pad_sg_nents(qm_sg_nents);

        sg_table = &edesc->sgt[0];
        qm_sg_bytes = qm_sg_nents * sizeof(*sg_table);
        if (unlikely(offsetof(struct aead_edesc, sgt) + qm_sg_bytes + ivsize >
                     CAAM_QI_MEMCACHE_SIZE)) {
                dev_err(dev, "No space for %d S/G entries and/or %dB IV\n",
                        qm_sg_nents, ivsize);
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, DMA_NONE, 0, 0);
                qi_cache_free(edesc);
                return ERR_PTR(-ENOMEM);
        }

        if (ivsize) {
                u8 *iv = (u8 *)(sg_table + qm_sg_nents);

                /* Make sure IV is located in a DMAable area */
                memcpy(iv, req->iv, ivsize);

                iv_dma = dma_map_single(dev, iv, ivsize, DMA_TO_DEVICE);
                if (dma_mapping_error(dev, iv_dma)) {
                        dev_err(dev, "unable to map IV\n");
                        caam_unmap(dev, req->src, req->dst, src_nents,
                                   dst_nents, 0, 0, DMA_NONE, 0, 0);
                        qi_cache_free(edesc);
                        return ERR_PTR(-ENOMEM);
                }
        }

        edesc->src_nents = src_nents;
        edesc->dst_nents = dst_nents;
        edesc->iv_dma = iv_dma;

        if ((alg->caam.class1_alg_type & OP_ALG_ALGSEL_MASK) ==
            OP_ALG_ALGSEL_CHACHA20 && ivsize != CHACHAPOLY_IV_SIZE)
                /*
                 * The associated data comes already with the IV but we need
                 * to skip it when we authenticate or encrypt...
                 */
                edesc->assoclen = cpu_to_caam32(req->assoclen - ivsize);
        else
                edesc->assoclen = cpu_to_caam32(req->assoclen);
        edesc->assoclen_dma = dma_map_single(dev, &edesc->assoclen, 4,
                                             DMA_TO_DEVICE);
        if (dma_mapping_error(dev, edesc->assoclen_dma)) {
                dev_err(dev, "unable to map assoclen\n");
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents,
                           iv_dma, ivsize, DMA_TO_DEVICE, 0, 0);
                qi_cache_free(edesc);
                return ERR_PTR(-ENOMEM);
        }

        dma_to_qm_sg_one(sg_table, edesc->assoclen_dma, 4, 0);
        qm_sg_index++;
        if (ivsize) {
                dma_to_qm_sg_one(sg_table + qm_sg_index, iv_dma, ivsize, 0);
                qm_sg_index++;
        }
        sg_to_qm_sg_last(req->src, src_len, sg_table + qm_sg_index, 0);
        qm_sg_index += mapped_src_nents;

        if (mapped_dst_nents > 1)
                sg_to_qm_sg_last(req->dst, dst_len, sg_table + qm_sg_index, 0);

        qm_sg_dma = dma_map_single(dev, sg_table, qm_sg_bytes, DMA_TO_DEVICE);
        if (dma_mapping_error(dev, qm_sg_dma)) {
                dev_err(dev, "unable to map S/G table\n");
                dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE);
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents,
                           iv_dma, ivsize, DMA_TO_DEVICE, 0, 0);
                qi_cache_free(edesc);
                return ERR_PTR(-ENOMEM);
        }

        edesc->qm_sg_dma = qm_sg_dma;
        edesc->qm_sg_bytes = qm_sg_bytes;

        out_len = req->assoclen + req->cryptlen +
                  (encrypt ? ctx->authsize : (-ctx->authsize));
        in_len = 4 + ivsize + req->assoclen + req->cryptlen;

        memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt));
        dpaa2_fl_set_final(in_fle, true);
        dpaa2_fl_set_format(in_fle, dpaa2_fl_sg);
        dpaa2_fl_set_addr(in_fle, qm_sg_dma);
        dpaa2_fl_set_len(in_fle, in_len);

        if (req->dst == req->src) {
                if (mapped_src_nents == 1) {
                        dpaa2_fl_set_format(out_fle, dpaa2_fl_single);
                        dpaa2_fl_set_addr(out_fle, sg_dma_address(req->src));
                } else {
                        dpaa2_fl_set_format(out_fle, dpaa2_fl_sg);
                        dpaa2_fl_set_addr(out_fle, qm_sg_dma +
                                          (1 + !!ivsize) * sizeof(*sg_table));
                }
        } else if (!mapped_dst_nents) {
                /*
                 * crypto engine requires the output entry to be present when
                 * "frame list" FD is used.
                 * Since engine does not support FMT=2'b11 (unused entry type),
                 * leaving out_fle zeroized is the best option.
                 */
                goto skip_out_fle;
        } else if (mapped_dst_nents == 1) {
                dpaa2_fl_set_format(out_fle, dpaa2_fl_single);
                dpaa2_fl_set_addr(out_fle, sg_dma_address(req->dst));
        } else {
                dpaa2_fl_set_format(out_fle, dpaa2_fl_sg);
                dpaa2_fl_set_addr(out_fle, qm_sg_dma + qm_sg_index *
                                  sizeof(*sg_table));
        }

        dpaa2_fl_set_len(out_fle, out_len);

skip_out_fle:
        return edesc;
}

static int chachapoly_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct device *dev = ctx->dev;
        struct caam_flc *flc;
        u32 *desc;

        if (!ctx->cdata.keylen || !ctx->authsize)
                return 0;

        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, true, true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, false, true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int chachapoly_setauthsize(struct crypto_aead *aead,
                                  unsigned int authsize)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);

        if (authsize != POLY1305_DIGEST_SIZE)
                return -EINVAL;

        ctx->authsize = authsize;
        return chachapoly_set_sh_desc(aead);
}

static int chachapoly_setkey(struct crypto_aead *aead, const u8 *key,
                             unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        unsigned int saltlen = CHACHAPOLY_IV_SIZE - ivsize;

        if (keylen != CHACHA_KEY_SIZE + saltlen) {
                crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }

        ctx->cdata.key_virt = key;
        ctx->cdata.keylen = keylen - saltlen;

        return chachapoly_set_sh_desc(aead);
}

static int gcm_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct caam_flc *flc;
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
                        ctx->cdata.keylen;

        if (!ctx->cdata.keylen || !ctx->authsize)
                return 0;

        /*
         * AES GCM encrypt shared descriptor
         * Job Descriptor and Shared Descriptor
         * must fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_GCM_ENC_LEN) {
                ctx->cdata.key_inline = true;
                ctx->cdata.key_virt = ctx->key;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ivsize, ctx->authsize, true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_GCM_DEC_LEN) {
                ctx->cdata.key_inline = true;
                ctx->cdata.key_virt = ctx->key;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ivsize, ctx->authsize, true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize)
{
        struct caam_ctx *ctx = crypto_aead_ctx(authenc);
        int err;

        err = crypto_gcm_check_authsize(authsize);
        if (err)
                return err;

        ctx->authsize = authsize;
        gcm_set_sh_desc(authenc);

        return 0;
}

static int gcm_setkey(struct crypto_aead *aead,
                      const u8 *key, unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        int ret;

        ret = aes_check_keylen(keylen);
        if (ret) {
                crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return ret;
        }
        print_hex_dump_debug("key in @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

        memcpy(ctx->key, key, keylen);
        dma_sync_single_for_device(dev, ctx->key_dma, keylen, ctx->dir);
        ctx->cdata.keylen = keylen;

        return gcm_set_sh_desc(aead);
}

static int rfc4106_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct caam_flc *flc;
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
                        ctx->cdata.keylen;

        if (!ctx->cdata.keylen || !ctx->authsize)
                return 0;

        ctx->cdata.key_virt = ctx->key;

        /*
         * RFC4106 encrypt shared descriptor
         * Job Descriptor and Shared Descriptor
         * must fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_RFC4106_ENC_LEN) {
                ctx->cdata.key_inline = true;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_RFC4106_DEC_LEN) {
                ctx->cdata.key_inline = true;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int rfc4106_setauthsize(struct crypto_aead *authenc,
                               unsigned int authsize)
{
        struct caam_ctx *ctx = crypto_aead_ctx(authenc);
        int err;

        err = crypto_rfc4106_check_authsize(authsize);
        if (err)
                return err;

        ctx->authsize = authsize;
        rfc4106_set_sh_desc(authenc);

        return 0;
}

static int rfc4106_setkey(struct crypto_aead *aead,
                          const u8 *key, unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        int ret;

        ret = aes_check_keylen(keylen - 4);
        if (ret) {
                crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return ret;
        }

        print_hex_dump_debug("key in @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

        memcpy(ctx->key, key, keylen);
        /*
         * The last four bytes of the key material are used as the salt value
         * in the nonce. Update the AES key length.
         */
        ctx->cdata.keylen = keylen - 4;
        dma_sync_single_for_device(dev, ctx->key_dma, ctx->cdata.keylen,
                                   ctx->dir);

        return rfc4106_set_sh_desc(aead);
}

static int rfc4543_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct caam_flc *flc;
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
                        ctx->cdata.keylen;

        if (!ctx->cdata.keylen || !ctx->authsize)
                return 0;

        ctx->cdata.key_virt = ctx->key;

        /*
         * RFC4543 encrypt shared descriptor
         * Job Descriptor and Shared Descriptor
         * must fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_RFC4543_ENC_LEN) {
                ctx->cdata.key_inline = true;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_QI_RFC4543_DEC_LEN) {
                ctx->cdata.key_inline = true;
        } else {
                ctx->cdata.key_inline = false;
                ctx->cdata.key_dma = ctx->key_dma;
        }

        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  true);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int rfc4543_setauthsize(struct crypto_aead *authenc,
                               unsigned int authsize)
{
        struct caam_ctx *ctx = crypto_aead_ctx(authenc);

        if (authsize != 16)
                return -EINVAL;

        ctx->authsize = authsize;
        rfc4543_set_sh_desc(authenc);

        return 0;
}

static int rfc4543_setkey(struct crypto_aead *aead,
                          const u8 *key, unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *dev = ctx->dev;
        int ret;

        ret = aes_check_keylen(keylen - 4);
        if (ret) {
                crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return ret;
        }

        print_hex_dump_debug("key in @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

        memcpy(ctx->key, key, keylen);
        /*
         * The last four bytes of the key material are used as the salt value
         * in the nonce. Update the AES key length.
         */
        ctx->cdata.keylen = keylen - 4;
        dma_sync_single_for_device(dev, ctx->key_dma, ctx->cdata.keylen,
                                   ctx->dir);

        return rfc4543_set_sh_desc(aead);
}

static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
                           unsigned int keylen, const u32 ctx1_iv_off)
{
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct caam_skcipher_alg *alg =
                container_of(crypto_skcipher_alg(skcipher),
                             struct caam_skcipher_alg, skcipher);
        struct device *dev = ctx->dev;
        struct caam_flc *flc;
        unsigned int ivsize = crypto_skcipher_ivsize(skcipher);
        u32 *desc;
        const bool is_rfc3686 = alg->caam.rfc3686;

        print_hex_dump_debug("key in @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

        ctx->cdata.keylen = keylen;
        ctx->cdata.key_virt = key;
        ctx->cdata.key_inline = true;

        /* skcipher_encrypt shared descriptor */
        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_skcipher_encap(desc, &ctx->cdata, ivsize, is_rfc3686,
                                   ctx1_iv_off);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /* skcipher_decrypt shared descriptor */
        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_skcipher_decap(desc, &ctx->cdata, ivsize, is_rfc3686,
                                   ctx1_iv_off);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static int aes_skcipher_setkey(struct crypto_skcipher *skcipher,
                               const u8 *key, unsigned int keylen)
{
        int err;

        err = aes_check_keylen(keylen);
        if (err) {
                crypto_skcipher_set_flags(skcipher,
                                          CRYPTO_TFM_RES_BAD_KEY_LEN);
                return err;
        }

        return skcipher_setkey(skcipher, key, keylen, 0);
}

static int rfc3686_skcipher_setkey(struct crypto_skcipher *skcipher,
                                   const u8 *key, unsigned int keylen)
{
        u32 ctx1_iv_off;
        int err;

        /*
         * RFC3686 specific:
         *      | CONTEXT1[255:128] = {NONCE, IV, COUNTER}
         *      | *key = {KEY, NONCE}
         */
        ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;
        keylen -= CTR_RFC3686_NONCE_SIZE;

        err = aes_check_keylen(keylen);
        if (err) {
                crypto_skcipher_set_flags(skcipher,
                                          CRYPTO_TFM_RES_BAD_KEY_LEN);
                return err;
        }

        return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);
}

static int ctr_skcipher_setkey(struct crypto_skcipher *skcipher,
                               const u8 *key, unsigned int keylen)
{
        u32 ctx1_iv_off;
        int err;

        /*
         * AES-CTR needs to load IV in CONTEXT1 reg
         * at an offset of 128bits (16bytes)
         * CONTEXT1[255:128] = IV
         */
        ctx1_iv_off = 16;

        err = aes_check_keylen(keylen);
        if (err) {
                crypto_skcipher_set_flags(skcipher,
                                          CRYPTO_TFM_RES_BAD_KEY_LEN);
                return err;
        }

        return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);
}

static int chacha20_skcipher_setkey(struct crypto_skcipher *skcipher,
                                    const u8 *key, unsigned int keylen)
{
        if (keylen != CHACHA_KEY_SIZE) {
                crypto_skcipher_set_flags(skcipher,
                                          CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }

        return skcipher_setkey(skcipher, key, keylen, 0);
}

static int des_skcipher_setkey(struct crypto_skcipher *skcipher,
                               const u8 *key, unsigned int keylen)
{
        return verify_skcipher_des_key(skcipher, key) ?:
               skcipher_setkey(skcipher, key, keylen, 0);
}

static int des3_skcipher_setkey(struct crypto_skcipher *skcipher,
                                const u8 *key, unsigned int keylen)
{
        return verify_skcipher_des3_key(skcipher, key) ?:
               skcipher_setkey(skcipher, key, keylen, 0);
}

static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
                               unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct device *dev = ctx->dev;
        struct caam_flc *flc;
        u32 *desc;

        if (keylen != 2 * AES_MIN_KEY_SIZE  && keylen != 2 * AES_MAX_KEY_SIZE) {
                dev_err(dev, "key size mismatch\n");
                crypto_skcipher_set_flags(skcipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }

        ctx->cdata.keylen = keylen;
        ctx->cdata.key_virt = key;
        ctx->cdata.key_inline = true;

        /* xts_skcipher_encrypt shared descriptor */
        flc = &ctx->flc[ENCRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_xts_skcipher_encap(desc, &ctx->cdata);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[ENCRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        /* xts_skcipher_decrypt shared descriptor */
        flc = &ctx->flc[DECRYPT];
        desc = flc->sh_desc;
        cnstr_shdsc_xts_skcipher_decap(desc, &ctx->cdata);
        flc->flc[1] = cpu_to_caam32(desc_len(desc)); /* SDL */
        dma_sync_single_for_device(dev, ctx->flc_dma[DECRYPT],
                                   sizeof(flc->flc) + desc_bytes(desc),
                                   ctx->dir);

        return 0;
}

static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req)
{
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_request *req_ctx = skcipher_request_ctx(req);
        struct dpaa2_fl_entry *in_fle = &req_ctx->fd_flt[1];
        struct dpaa2_fl_entry *out_fle = &req_ctx->fd_flt[0];
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct device *dev = ctx->dev;
        gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
                       GFP_KERNEL : GFP_ATOMIC;
        int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
        struct skcipher_edesc *edesc;
        dma_addr_t iv_dma;
        u8 *iv;
        int ivsize = crypto_skcipher_ivsize(skcipher);
        int dst_sg_idx, qm_sg_ents, qm_sg_bytes;
        struct dpaa2_sg_entry *sg_table;

        src_nents = sg_nents_for_len(req->src, req->cryptlen);
        if (unlikely(src_nents < 0)) {
                dev_err(dev, "Insufficient bytes (%d) in src S/G\n",
                        req->cryptlen);
                return ERR_PTR(src_nents);
        }

        if (unlikely(req->dst != req->src)) {
                dst_nents = sg_nents_for_len(req->dst, req->cryptlen);
                if (unlikely(dst_nents < 0)) {
                        dev_err(dev, "Insufficient bytes (%d) in dst S/G\n",
                                req->cryptlen);
                        return ERR_PTR(dst_nents);
                }

                mapped_src_nents = dma_map_sg(dev, req->src, src_nents,
                                              DMA_TO_DEVICE);
                if (unlikely(!mapped_src_nents)) {
                        dev_err(dev, "unable to map source\n");
                        return ERR_PTR(-ENOMEM);
                }

                mapped_dst_nents = dma_map_sg(dev, req->dst, dst_nents,
                                              DMA_FROM_DEVICE);
                if (unlikely(!mapped_dst_nents)) {
                        dev_err(dev, "unable to map destination\n");
                        dma_unmap_sg(dev, req->src, src_nents, DMA_TO_DEVICE);
                        return ERR_PTR(-ENOMEM);
                }
        } else {
                mapped_src_nents = dma_map_sg(dev, req->src, src_nents,
                                              DMA_BIDIRECTIONAL);
                if (unlikely(!mapped_src_nents)) {
                        dev_err(dev, "unable to map source\n");
                        return ERR_PTR(-ENOMEM);
                }
        }

        qm_sg_ents = 1 + mapped_src_nents;
        dst_sg_idx = qm_sg_ents;

        /*
         * Input, output HW S/G tables: [IV, src][dst, IV]
         * IV entries point to the same buffer
         * If src == dst, S/G entries are reused (S/G tables overlap)
         *
         * HW reads 4 S/G entries at a time; make sure the reads don't go beyond
         * the end of the table by allocating more S/G entries.
         */
        if (req->src != req->dst)
                qm_sg_ents += pad_sg_nents(mapped_dst_nents + 1);
        else
                qm_sg_ents = 1 + pad_sg_nents(qm_sg_ents);

        qm_sg_bytes = qm_sg_ents * sizeof(struct dpaa2_sg_entry);
        if (unlikely(offsetof(struct skcipher_edesc, sgt) + qm_sg_bytes +
                     ivsize > CAAM_QI_MEMCACHE_SIZE)) {
                dev_err(dev, "No space for %d S/G entries and/or %dB IV\n",
                        qm_sg_ents, ivsize);
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, DMA_NONE, 0, 0);
                return ERR_PTR(-ENOMEM);
        }

        /* allocate space for base edesc, link tables and IV */
        edesc = qi_cache_zalloc(GFP_DMA | flags);
        if (unlikely(!edesc)) {
                dev_err(dev, "could not allocate extended descriptor\n");
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, DMA_NONE, 0, 0);
                return ERR_PTR(-ENOMEM);
        }

        /* Make sure IV is located in a DMAable area */
        sg_table = &edesc->sgt[0];
        iv = (u8 *)(sg_table + qm_sg_ents);
        memcpy(iv, req->iv, ivsize);

        iv_dma = dma_map_single(dev, iv, ivsize, DMA_BIDIRECTIONAL);
        if (dma_mapping_error(dev, iv_dma)) {
                dev_err(dev, "unable to map IV\n");
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, DMA_NONE, 0, 0);
                qi_cache_free(edesc);
                return ERR_PTR(-ENOMEM);
        }

        edesc->src_nents = src_nents;
        edesc->dst_nents = dst_nents;
        edesc->iv_dma = iv_dma;
        edesc->qm_sg_bytes = qm_sg_bytes;

        dma_to_qm_sg_one(sg_table, iv_dma, ivsize, 0);
        sg_to_qm_sg(req->src, req->cryptlen, sg_table + 1, 0);

        if (req->src != req->dst)
                sg_to_qm_sg(req->dst, req->cryptlen, sg_table + dst_sg_idx, 0);

        dma_to_qm_sg_one(sg_table + dst_sg_idx + mapped_dst_nents, iv_dma,
                         ivsize, 0);

        edesc->qm_sg_dma = dma_map_single(dev, sg_table, edesc->qm_sg_bytes,
                                          DMA_TO_DEVICE);
        if (dma_mapping_error(dev, edesc->qm_sg_dma)) {
                dev_err(dev, "unable to map S/G table\n");
                caam_unmap(dev, req->src, req->dst, src_nents, dst_nents,
                           iv_dma, ivsize, DMA_BIDIRECTIONAL, 0, 0);
                qi_cache_free(edesc);
                return ERR_PTR(-ENOMEM);
        }

        memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt));
        dpaa2_fl_set_final(in_fle, true);
        dpaa2_fl_set_len(in_fle, req->cryptlen + ivsize);
        dpaa2_fl_set_len(out_fle, req->cryptlen + ivsize);

        dpaa2_fl_set_format(in_fle, dpaa2_fl_sg);
        dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma);

        dpaa2_fl_set_format(out_fle, dpaa2_fl_sg);

        if (req->src == req->dst)
                dpaa2_fl_set_addr(out_fle, edesc->qm_sg_dma +
                                  sizeof(*sg_table));
        else
                dpaa2_fl_set_addr(out_fle, edesc->qm_sg_dma + dst_sg_idx *
                                  sizeof(*sg_table));

        return edesc;
}

static void aead_unmap(struct device *dev, struct aead_edesc *edesc,
                       struct aead_request *req)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        int ivsize = crypto_aead_ivsize(aead);

        caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents,
                   edesc->iv_dma, ivsize, DMA_TO_DEVICE, edesc->qm_sg_dma,
                   edesc->qm_sg_bytes);
        dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE);
}

static void skcipher_unmap(struct device *dev, struct skcipher_edesc *edesc,
                           struct skcipher_request *req)
{
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        int ivsize = crypto_skcipher_ivsize(skcipher);

        caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents,
                   edesc->iv_dma, ivsize, DMA_BIDIRECTIONAL, edesc->qm_sg_dma,
                   edesc->qm_sg_bytes);
}

static void aead_encrypt_done(void *cbk_ctx, u32 status)
{
        struct crypto_async_request *areq = cbk_ctx;
        struct aead_request *req = container_of(areq, struct aead_request,
                                                base);
        struct caam_request *req_ctx = to_caam_req(areq);
        struct aead_edesc *edesc = req_ctx->edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        int ecode = 0;

        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);

        if (unlikely(status))
                ecode = caam_qi2_strstatus(ctx->dev, status);

        aead_unmap(ctx->dev, edesc, req);
        qi_cache_free(edesc);
        aead_request_complete(req, ecode);
}

static void aead_decrypt_done(void *cbk_ctx, u32 status)
{
        struct crypto_async_request *areq = cbk_ctx;
        struct aead_request *req = container_of(areq, struct aead_request,
                                                base);
        struct caam_request *req_ctx = to_caam_req(areq);
        struct aead_edesc *edesc = req_ctx->edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        int ecode = 0;

        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);

        if (unlikely(status))
                ecode = caam_qi2_strstatus(ctx->dev, status);

        aead_unmap(ctx->dev, edesc, req);
        qi_cache_free(edesc);
        aead_request_complete(req, ecode);
}

static int aead_encrypt(struct aead_request *req)
{
        struct aead_edesc *edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct caam_request *caam_req = aead_request_ctx(req);
        int ret;

        /* allocate extended descriptor */
        edesc = aead_edesc_alloc(req, true);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        caam_req->flc = &ctx->flc[ENCRYPT];
        caam_req->flc_dma = ctx->flc_dma[ENCRYPT];
        caam_req->cbk = aead_encrypt_done;
        caam_req->ctx = &req->base;
        caam_req->edesc = edesc;
        ret = dpaa2_caam_enqueue(ctx->dev, caam_req);
        if (ret != -EINPROGRESS &&
            !(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
                aead_unmap(ctx->dev, edesc, req);
                qi_cache_free(edesc);
        }

        return ret;
}

static int aead_decrypt(struct aead_request *req)
{
        struct aead_edesc *edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct caam_request *caam_req = aead_request_ctx(req);
        int ret;

        /* allocate extended descriptor */
        edesc = aead_edesc_alloc(req, false);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        caam_req->flc = &ctx->flc[DECRYPT];
        caam_req->flc_dma = ctx->flc_dma[DECRYPT];
        caam_req->cbk = aead_decrypt_done;
        caam_req->ctx = &req->base;
        caam_req->edesc = edesc;
        ret = dpaa2_caam_enqueue(ctx->dev, caam_req);
        if (ret != -EINPROGRESS &&
            !(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
                aead_unmap(ctx->dev, edesc, req);
                qi_cache_free(edesc);
        }

        return ret;
}

static int ipsec_gcm_encrypt(struct aead_request *req)
{
        return crypto_ipsec_check_assoclen(req->assoclen) ? : aead_encrypt(req);
}

static int ipsec_gcm_decrypt(struct aead_request *req)
{
        return crypto_ipsec_check_assoclen(req->assoclen) ? : aead_decrypt(req);
}

static void skcipher_encrypt_done(void *cbk_ctx, u32 status)
{
        struct crypto_async_request *areq = cbk_ctx;
        struct skcipher_request *req = skcipher_request_cast(areq);
        struct caam_request *req_ctx = to_caam_req(areq);
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct skcipher_edesc *edesc = req_ctx->edesc;
        int ecode = 0;
        int ivsize = crypto_skcipher_ivsize(skcipher);

        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);

        if (unlikely(status))
                ecode = caam_qi2_strstatus(ctx->dev, status);

        print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
                             edesc->src_nents > 1 ? 100 : ivsize, 1);
        caam_dump_sg("dst    @" __stringify(__LINE__)": ",
                     DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
                     edesc->dst_nents > 1 ? 100 : req->cryptlen, 1);

        skcipher_unmap(ctx->dev, edesc, req);

        /*
         * The crypto API expects us to set the IV (req->iv) to the last
         * ciphertext block (CBC mode) or last counter (CTR mode).
         * This is used e.g. by the CTS mode.
         */
        if (!ecode)
                memcpy(req->iv, (u8 *)&edesc->sgt[0] + edesc->qm_sg_bytes,
                       ivsize);

        qi_cache_free(edesc);
        skcipher_request_complete(req, ecode);
}

static void skcipher_decrypt_done(void *cbk_ctx, u32 status)
{
        struct crypto_async_request *areq = cbk_ctx;
        struct skcipher_request *req = skcipher_request_cast(areq);
        struct caam_request *req_ctx = to_caam_req(areq);
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct skcipher_edesc *edesc = req_ctx->edesc;
        int ecode = 0;
        int ivsize = crypto_skcipher_ivsize(skcipher);

        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);

        if (unlikely(status))
                ecode = caam_qi2_strstatus(ctx->dev, status);

        print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
                             edesc->src_nents > 1 ? 100 : ivsize, 1);
        caam_dump_sg("dst    @" __stringify(__LINE__)": ",
                     DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
                     edesc->dst_nents > 1 ? 100 : req->cryptlen, 1);

        skcipher_unmap(ctx->dev, edesc, req);

        /*
         * The crypto API expects us to set the IV (req->iv) to the last
         * ciphertext block (CBC mode) or last counter (CTR mode).
         * This is used e.g. by the CTS mode.
         */
        if (!ecode)
                memcpy(req->iv, (u8 *)&edesc->sgt[0] + edesc->qm_sg_bytes,
                       ivsize);

        qi_cache_free(edesc);
        skcipher_request_complete(req, ecode);
}

static int skcipher_encrypt(struct skcipher_request *req)
{
        struct skcipher_edesc *edesc;
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct caam_request *caam_req = skcipher_request_ctx(req);
        int ret;

        if (!req->cryptlen)
                return 0;

        /* allocate extended descriptor */
        edesc = skcipher_edesc_alloc(req);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        caam_req->flc = &ctx->flc[ENCRYPT];
        caam_req->flc_dma = ctx->flc_dma[ENCRYPT];
        caam_req->cbk = skcipher_encrypt_done;
        caam_req->ctx = &req->base;
        caam_req->edesc = edesc;
        ret = dpaa2_caam_enqueue(ctx->dev, caam_req);
        if (ret != -EINPROGRESS &&
            !(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
                skcipher_unmap(ctx->dev, edesc, req);
                qi_cache_free(edesc);
        }

        return ret;
}

static int skcipher_decrypt(struct skcipher_request *req)
{
        struct skcipher_edesc *edesc;
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct caam_request *caam_req = skcipher_request_ctx(req);
        int ret;

        if (!req->cryptlen)
                return 0;
        /* allocate extended descriptor */
        edesc = skcipher_edesc_alloc(req);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        caam_req->flc = &ctx->flc[DECRYPT];
        caam_req->flc_dma = ctx->flc_dma[DECRYPT];
        caam_req->cbk = skcipher_decrypt_done;
        caam_req->ctx = &req->base;
        caam_req->edesc = edesc;
        ret = dpaa2_caam_enqueue(ctx->dev, caam_req);
        if (ret != -EINPROGRESS &&
            !(ret == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
                skcipher_unmap(ctx->dev, edesc, req);
                qi_cache_free(edesc);
        }

        return ret;
}

static int caam_cra_init(struct caam_ctx *ctx, struct caam_alg_entry *caam,
                         bool uses_dkp)
{
        dma_addr_t dma_addr;
        int i;

        /* copy descriptor header template value */
        ctx->cdata.algtype = OP_TYPE_CLASS1_ALG | caam->class1_alg_type;
        ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam->class2_alg_type;

        ctx->dev = caam->dev;
        ctx->dir = uses_dkp ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE;

        dma_addr = dma_map_single_attrs(ctx->dev, ctx->flc,
                                        offsetof(struct caam_ctx, flc_dma),
                                        ctx->dir, DMA_ATTR_SKIP_CPU_SYNC);
        if (dma_mapping_error(ctx->dev, dma_addr)) {
                dev_err(ctx->dev, "unable to map key, shared descriptors\n");
                return -ENOMEM;
        }

        for (i = 0; i < NUM_OP; i++)
                ctx->flc_dma[i] = dma_addr + i * sizeof(ctx->flc[i]);
        ctx->key_dma = dma_addr + NUM_OP * sizeof(ctx->flc[0]);

        return 0;
}

static int caam_cra_init_skcipher(struct crypto_skcipher *tfm)
{
        struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
        struct caam_skcipher_alg *caam_alg =
                container_of(alg, typeof(*caam_alg), skcipher);

        crypto_skcipher_set_reqsize(tfm, sizeof(struct caam_request));
        return caam_cra_init(crypto_skcipher_ctx(tfm), &caam_alg->caam, false);
}

static int caam_cra_init_aead(struct crypto_aead *tfm)
{
        struct aead_alg *alg = crypto_aead_alg(tfm);
        struct caam_aead_alg *caam_alg = container_of(alg, typeof(*caam_alg),
                                                      aead);

        crypto_aead_set_reqsize(tfm, sizeof(struct caam_request));
        return caam_cra_init(crypto_aead_ctx(tfm), &caam_alg->caam,
                             !caam_alg->caam.nodkp);
}

static void caam_exit_common(struct caam_ctx *ctx)
{
        dma_unmap_single_attrs(ctx->dev, ctx->flc_dma[0],
                               offsetof(struct caam_ctx, flc_dma), ctx->dir,
                               DMA_ATTR_SKIP_CPU_SYNC);
}

static void caam_cra_exit(struct crypto_skcipher *tfm)
{
        caam_exit_common(crypto_skcipher_ctx(tfm));
}

static void caam_cra_exit_aead(struct crypto_aead *tfm)
{
        caam_exit_common(crypto_aead_ctx(tfm));
}

static struct caam_skcipher_alg driver_algs[] = {
        {
                .skcipher = {
                        .base = {
                                .cra_name = "cbc(aes)",
                                .cra_driver_name = "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aes_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = AES_MIN_KEY_SIZE,
                        .max_keysize = AES_MAX_KEY_SIZE,
                        .ivsize = AES_BLOCK_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "cbc(des3_ede)",
                                .cra_driver_name = "cbc-3des-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = DES3_EDE_KEY_SIZE,
                        .max_keysize = DES3_EDE_KEY_SIZE,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "cbc(des)",
                                .cra_driver_name = "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = des_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = DES_KEY_SIZE,
                        .max_keysize = DES_KEY_SIZE,
                        .ivsize = DES_BLOCK_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "ctr(aes)",
                                .cra_driver_name = "ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = ctr_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = AES_MIN_KEY_SIZE,
                        .max_keysize = AES_MAX_KEY_SIZE,
                        .ivsize = AES_BLOCK_SIZE,
                        .chunksize = AES_BLOCK_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_AES |
                                        OP_ALG_AAI_CTR_MOD128,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "rfc3686(ctr(aes))",
                                .cra_driver_name = "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = rfc3686_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = AES_MIN_KEY_SIZE +
                                       CTR_RFC3686_NONCE_SIZE,
                        .max_keysize = AES_MAX_KEY_SIZE +
                                       CTR_RFC3686_NONCE_SIZE,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .chunksize = AES_BLOCK_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .rfc3686 = true,
                },
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "xts(aes)",
                                .cra_driver_name = "xts-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = xts_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = 2 * AES_MIN_KEY_SIZE,
                        .max_keysize = 2 * AES_MAX_KEY_SIZE,
                        .ivsize = AES_BLOCK_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_XTS,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "chacha20",
                                .cra_driver_name = "chacha20-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = chacha20_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = CHACHA_KEY_SIZE,
                        .max_keysize = CHACHA_KEY_SIZE,
                        .ivsize = CHACHA_IV_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_CHACHA20,
        },
};

static struct caam_aead_alg driver_aeads[] = {
        {
                .aead = {
                        .base = {
                                .cra_name = "rfc4106(gcm(aes))",
                                .cra_driver_name = "rfc4106-gcm-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = rfc4106_setkey,
                        .setauthsize = rfc4106_setauthsize,
                        .encrypt = ipsec_gcm_encrypt,
                        .decrypt = ipsec_gcm_decrypt,
                        .ivsize = 8,
                        .maxauthsize = AES_BLOCK_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
                        .nodkp = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "rfc4543(gcm(aes))",
                                .cra_driver_name = "rfc4543-gcm-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = rfc4543_setkey,
                        .setauthsize = rfc4543_setauthsize,
                        .encrypt = ipsec_gcm_encrypt,
                        .decrypt = ipsec_gcm_decrypt,
                        .ivsize = 8,
                        .maxauthsize = AES_BLOCK_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
                        .nodkp = true,
                },
        },
        /* Galois Counter Mode */
        {
                .aead = {
                        .base = {
                                .cra_name = "gcm(aes)",
                                .cra_driver_name = "gcm-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = gcm_setkey,
                        .setauthsize = gcm_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = 12,
                        .maxauthsize = AES_BLOCK_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
                        .nodkp = true,
                }
        },
        /* single-pass ipsec_esp descriptor */
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(md5),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(md5),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-hmac-md5-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha1),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-sha1-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha1),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha1-cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha224),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-sha224-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha224),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha224-cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha256),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-sha256-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha256),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha256-cbc-aes-"
                                                   "caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha384),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-sha384-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha384),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha384-cbc-aes-"
                                                   "caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |

                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha512),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-sha512-"
                                                   "cbc-aes-caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha512),"
                                            "cbc(aes)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha512-cbc-aes-"
                                                   "caam-qi2",
                                .cra_blocksize = AES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = AES_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(md5),cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(md5),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-hmac-md5-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha1),"
                                            "cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-sha1-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha1),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha1-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha224),"
                                            "cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-sha224-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha224),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha224-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha256),"
                                            "cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-sha256-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha256),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha256-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha384),"
                                            "cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-sha384-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha384),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha384-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha512),"
                                            "cbc(des3_ede))",
                                .cra_driver_name = "authenc-hmac-sha512-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha512),"
                                            "cbc(des3_ede)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha512-"
                                                   "cbc-des3_ede-caam-qi2",
                                .cra_blocksize = DES3_EDE_BLOCK_SIZE,
                        },
                        .setkey = des3_aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES3_EDE_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(md5),cbc(des))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(md5),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-hmac-md5-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha1),cbc(des))",
                                .cra_driver_name = "authenc-hmac-sha1-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha1),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha1-cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha224),cbc(des))",
                                .cra_driver_name = "authenc-hmac-sha224-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha224),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha224-cbc-des-"
                                                   "caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha256),cbc(des))",
                                .cra_driver_name = "authenc-hmac-sha256-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha256),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha256-cbc-desi-"
                                                   "caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha384),cbc(des))",
                                .cra_driver_name = "authenc-hmac-sha384-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha384),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha384-cbc-des-"
                                                   "caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha512),cbc(des))",
                                .cra_driver_name = "authenc-hmac-sha512-"
                                                   "cbc-des-caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "echainiv(authenc(hmac(sha512),"
                                            "cbc(des)))",
                                .cra_driver_name = "echainiv-authenc-"
                                                   "hmac-sha512-cbc-des-"
                                                   "caam-qi2",
                                .cra_blocksize = DES_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = DES_BLOCK_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .geniv = true,
                }
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(md5),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc("
                                            "hmac(md5),rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-md5-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha1),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-sha1-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc("
                                            "hmac(sha1),rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-sha1-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha224),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-sha224-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc("
                                            "hmac(sha224),rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-sha224-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha256),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-sha256-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc(hmac(sha256),"
                                            "rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-sha256-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha384),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-sha384-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc(hmac(sha384),"
                                            "rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-sha384-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "rfc7539(chacha20,poly1305)",
                                .cra_driver_name = "rfc7539-chacha20-poly1305-"
                                                   "caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = chachapoly_setkey,
                        .setauthsize = chachapoly_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CHACHAPOLY_IV_SIZE,
                        .maxauthsize = POLY1305_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_CHACHA20 |
                                           OP_ALG_AAI_AEAD,
                        .class2_alg_type = OP_ALG_ALGSEL_POLY1305 |
                                           OP_ALG_AAI_AEAD,
                        .nodkp = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "rfc7539esp(chacha20,poly1305)",
                                .cra_driver_name = "rfc7539esp-chacha20-"
                                                   "poly1305-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = chachapoly_setkey,
                        .setauthsize = chachapoly_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = 8,
                        .maxauthsize = POLY1305_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_CHACHA20 |
                                           OP_ALG_AAI_AEAD,
                        .class2_alg_type = OP_ALG_ALGSEL_POLY1305 |
                                           OP_ALG_AAI_AEAD,
                        .nodkp = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha512),"
                                            "rfc3686(ctr(aes)))",
                                .cra_driver_name = "authenc-hmac-sha512-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "seqiv(authenc(hmac(sha512),"
                                            "rfc3686(ctr(aes))))",
                                .cra_driver_name = "seqiv-authenc-hmac-sha512-"
                                                   "rfc3686-ctr-aes-caam-qi2",
                                .cra_blocksize = 1,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = CTR_RFC3686_IV_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class1_alg_type = OP_ALG_ALGSEL_AES |
                                           OP_ALG_AAI_CTR_MOD128,
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                        .rfc3686 = true,
                        .geniv = true,
                },
        },
};

static void caam_skcipher_alg_init(struct caam_skcipher_alg *t_alg)
{
        struct skcipher_alg *alg = &t_alg->skcipher;

        alg->base.cra_module = THIS_MODULE;
        alg->base.cra_priority = CAAM_CRA_PRIORITY;
        alg->base.cra_ctxsize = sizeof(struct caam_ctx);
        alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;

        alg->init = caam_cra_init_skcipher;
        alg->exit = caam_cra_exit;
}

static void caam_aead_alg_init(struct caam_aead_alg *t_alg)
{
        struct aead_alg *alg = &t_alg->aead;

        alg->base.cra_module = THIS_MODULE;
        alg->base.cra_priority = CAAM_CRA_PRIORITY;
        alg->base.cra_ctxsize = sizeof(struct caam_ctx);
        alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;

        alg->init = caam_cra_init_aead;
        alg->exit = caam_cra_exit_aead;
}

/* max hash key is max split key size */
#define CAAM_MAX_HASH_KEY_SIZE          (SHA512_DIGEST_SIZE * 2)

#define CAAM_MAX_HASH_BLOCK_SIZE        SHA512_BLOCK_SIZE

/* caam context sizes for hashes: running digest + 8 */
#define HASH_MSG_LEN                    8
#define MAX_CTX_LEN                     (HASH_MSG_LEN + SHA512_DIGEST_SIZE)

enum hash_optype {
        UPDATE = 0,
        UPDATE_FIRST,
        FINALIZE,
        DIGEST,
        HASH_NUM_OP
};

/**
 * caam_hash_ctx - ahash per-session context
 * @flc: Flow Contexts array
 * @key: authentication key
 * @flc_dma: I/O virtual addresses of the Flow Contexts
 * @dev: dpseci device
 * @ctx_len: size of Context Register
 * @adata: hashing algorithm details
 */
struct caam_hash_ctx {
        struct caam_flc flc[HASH_NUM_OP];
        u8 key[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned;
        dma_addr_t flc_dma[HASH_NUM_OP];
        struct device *dev;
        int ctx_len;
        struct alginfo adata;
};

/* ahash state */
struct caam_hash_state {
        struct caam_request caam_req;
        dma_addr_t buf_dma;
        dma_addr_t ctx_dma;
        int ctx_dma_len;