// SPDX-License-Identifier: GPL-2.0+
/*
 * caam - Freescale FSL CAAM support for crypto API
 *
 * Copyright 2008-2011 Freescale Semiconductor, Inc.
 * Copyright 2016-2019 NXP
 *
 * Based on talitos crypto API driver.
 *
 * relationship of job descriptors to shared descriptors (SteveC Dec 10 2008):
 *
 * ---------------                     ---------------
 * | JobDesc #1  |-------------------->|  ShareDesc  |
 * | *(packet 1) |                     |   (PDB)     |
 * ---------------      |------------->|  (hashKey)  |
 *       .              |              | (cipherKey) |
 *       .              |    |-------->| (operation) |
 * ---------------      |    |         ---------------
 * | JobDesc #2  |------|    |
 * | *(packet 2) |           |
 * ---------------           |
 *       .                   |
 *       .                   |
 * ---------------           |
 * | JobDesc #3  |------------
 * | *(packet 3) |
 * ---------------
 *
 * The SharedDesc never changes for a connection unless rekeyed, but
 * each packet will likely be in a different place. So all we need
 * to know to process the packet is where the input is, where the
 * output goes, and what context we want to process with. Context is
 * in the SharedDesc, packet references in the JobDesc.
 *
 * So, a job desc looks like:
 *
 * ---------------------
 * | Header            |
 * | ShareDesc Pointer |
 * | SEQ_OUT_PTR       |
 * | (output buffer)   |
 * | (output length)   |
 * | SEQ_IN_PTR        |
 * | (input buffer)    |
 * | (input length)    |
 * ---------------------
 */

#include "compat.h"

#include "regs.h"
#include "intern.h"
#include "desc_constr.h"
#include "jr.h"
#include "error.h"
#include "sg_sw_sec4.h"
#include "key_gen.h"
#include "caamalg_desc.h"
#include <crypto/engine.h>

/*
 * crypto alg
 */
#define CAAM_CRA_PRIORITY               3000
/* 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)

#define AEAD_DESC_JOB_IO_LEN            (DESC_JOB_IO_LEN + CAAM_CMD_SZ * 2)
#define GCM_DESC_JOB_IO_LEN             (AEAD_DESC_JOB_IO_LEN + \
                                         CAAM_CMD_SZ * 4)
#define AUTHENC_DESC_JOB_IO_LEN         (AEAD_DESC_JOB_IO_LEN + \
                                         CAAM_CMD_SZ * 5)

#define CHACHAPOLY_DESC_JOB_IO_LEN      (AEAD_DESC_JOB_IO_LEN + CAAM_CMD_SZ * 6)

#define DESC_MAX_USED_BYTES             (CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN_MIN)
#define DESC_MAX_USED_LEN               (DESC_MAX_USED_BYTES / CAAM_CMD_SZ)

struct caam_alg_entry {
        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;
};

/*
 * per-session context
 */
struct caam_ctx {
        struct crypto_engine_ctx enginectx;
        u32 sh_desc_enc[DESC_MAX_USED_LEN];
        u32 sh_desc_dec[DESC_MAX_USED_LEN];
        u8 key[CAAM_MAX_KEY_SIZE];
        dma_addr_t sh_desc_enc_dma;
        dma_addr_t sh_desc_dec_dma;
        dma_addr_t key_dma;
        enum dma_data_direction dir;
        struct device *jrdev;
        struct alginfo adata;
        struct alginfo cdata;
        unsigned int authsize;
};

struct caam_skcipher_req_ctx {
        struct skcipher_edesc *edesc;
};

struct caam_aead_req_ctx {
        struct aead_edesc *edesc;
};

static int aead_null_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent);
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - AEAD_DESC_JOB_IO_LEN -
                        ctx->adata.keylen_pad;

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

        /* aead_encrypt shared descriptor */
        desc = ctx->sh_desc_enc;
        cnstr_shdsc_aead_null_encap(desc, &ctx->adata, ctx->authsize,
                                    ctrlpriv->era);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   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_AEAD_NULL_DEC_LEN) {
                ctx->adata.key_inline = true;
                ctx->adata.key_virt = ctx->key;
        } else {
                ctx->adata.key_inline = false;
                ctx->adata.key_dma = ctx->key_dma;
        }

        /* aead_decrypt shared descriptor */
        desc = ctx->sh_desc_dec;
        cnstr_shdsc_aead_null_decap(desc, &ctx->adata, ctx->authsize,
                                    ctrlpriv->era);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   desc_bytes(desc), ctx->dir);

        return 0;
}

static int aead_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
                                                 struct caam_aead_alg, aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent);
        u32 ctx1_iv_off = 0;
        u32 *desc, *nonce = NULL;
        u32 inl_mask;
        unsigned int data_len[2];
        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->authsize)
                return 0;

        /* NULL encryption / decryption */
        if (!ctx->cdata.keylen)
                return aead_null_set_sh_desc(aead);

        /*
         * 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;

        if (alg->caam.geniv)
                goto skip_enc;

        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (desc_inline_query(DESC_AEAD_ENC_LEN +
                              (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
                              AUTHENC_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);

        /* aead_encrypt shared descriptor */
        desc = ctx->sh_desc_enc;
        cnstr_shdsc_aead_encap(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, is_rfc3686, nonce, ctx1_iv_off,
                               false, ctrlpriv->era);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   desc_bytes(desc), ctx->dir);

skip_enc:
        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (desc_inline_query(DESC_AEAD_DEC_LEN +
                              (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
                              AUTHENC_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);

        /* aead_decrypt shared descriptor */
        desc = ctx->sh_desc_dec;
        cnstr_shdsc_aead_decap(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, alg->caam.geniv, is_rfc3686,
                               nonce, ctx1_iv_off, false, ctrlpriv->era);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   desc_bytes(desc), ctx->dir);

        if (!alg->caam.geniv)
                goto skip_givenc;

        /*
         * Job Descriptor and Shared Descriptors
         * must all fit into the 64-word Descriptor h/w Buffer
         */
        if (desc_inline_query(DESC_AEAD_GIVENC_LEN +
                              (is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
                              AUTHENC_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);

        /* aead_givencrypt shared descriptor */
        desc = ctx->sh_desc_enc;
        cnstr_shdsc_aead_givencap(desc, &ctx->cdata, &ctx->adata, ivsize,
                                  ctx->authsize, is_rfc3686, nonce,
                                  ctx1_iv_off, false, ctrlpriv->era);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   desc_bytes(desc), ctx->dir);

skip_givenc:
        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 gcm_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_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_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;
        }

        desc = ctx->sh_desc_enc;
        cnstr_shdsc_gcm_encap(desc, &ctx->cdata, ivsize, ctx->authsize, false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   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_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;
        }

        desc = ctx->sh_desc_dec;
        cnstr_shdsc_gcm_decap(desc, &ctx->cdata, ivsize, ctx->authsize, false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   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 rfc4106_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -
                        ctx->cdata.keylen;

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

        /*
         * RFC4106 encrypt shared descriptor
         * Job Descriptor and Shared Descriptor
         * must fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_RFC4106_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;
        }

        desc = ctx->sh_desc_enc;
        cnstr_shdsc_rfc4106_encap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   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_RFC4106_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;
        }

        desc = ctx->sh_desc_dec;
        cnstr_shdsc_rfc4106_decap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   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 rfc4543_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        u32 *desc;
        int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -
                        ctx->cdata.keylen;

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

        /*
         * RFC4543 encrypt shared descriptor
         * Job Descriptor and Shared Descriptor
         * must fit into the 64-word Descriptor h/w Buffer
         */
        if (rem_bytes >= DESC_RFC4543_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;
        }

        desc = ctx->sh_desc_enc;
        cnstr_shdsc_rfc4543_encap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   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_RFC4543_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;
        }

        desc = ctx->sh_desc_dec;
        cnstr_shdsc_rfc4543_decap(desc, &ctx->cdata, ivsize, ctx->authsize,
                                  false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   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 chachapoly_set_sh_desc(struct crypto_aead *aead)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        unsigned int ivsize = crypto_aead_ivsize(aead);
        u32 *desc;

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

        desc = ctx->sh_desc_enc;
        cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, true, false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   desc_bytes(desc), ctx->dir);

        desc = ctx->sh_desc_dec;
        cnstr_shdsc_chachapoly(desc, &ctx->cdata, &ctx->adata, ivsize,
                               ctx->authsize, false, false);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   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)
                return -EINVAL;

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

        return chachapoly_set_sh_desc(aead);
}

static int aead_setkey(struct crypto_aead *aead,
                               const u8 *key, unsigned int keylen)
{
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent);
        struct crypto_authenc_keys keys;
        int ret = 0;

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

        dev_dbg(jrdev, "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);

        /*
         * If DKP is supported, use it in the shared descriptor to generate
         * the split key.
         */
        if (ctrlpriv->era >= 6) {
                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(jrdev, ctx->key_dma,
                                           ctx->adata.keylen_pad +
                                           keys.enckeylen, ctx->dir);
                goto skip_split_key;
        }

        ret = gen_split_key(ctx->jrdev, ctx->key, &ctx->adata, keys.authkey,
                            keys.authkeylen, CAAM_MAX_KEY_SIZE -
                            keys.enckeylen);
        if (ret) {
                goto badkey;
        }

        /* postpend encryption key to auth split key */
        memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen);
        dma_sync_single_for_device(jrdev, 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);

skip_split_key:
        ctx->cdata.keylen = keys.enckeylen;
        memzero_explicit(&keys, sizeof(keys));
        return aead_set_sh_desc(aead);
badkey:
        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))
                return err;

        err = verify_aead_des3_key(aead, keys.enckey, keys.enckeylen) ?:
              aead_setkey(aead, key, keylen);

        memzero_explicit(&keys, sizeof(keys));
        return err;
}

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

        err = aes_check_keylen(keylen);
        if (err)
                return err;

        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(jrdev, ctx->key_dma, keylen, ctx->dir);
        ctx->cdata.keylen = keylen;

        return gcm_set_sh_desc(aead);
}

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

        err = aes_check_keylen(keylen - 4);
        if (err)
                return err;

        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(jrdev, ctx->key_dma, ctx->cdata.keylen,
                                   ctx->dir);
        return rfc4106_set_sh_desc(aead);
}

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

        err = aes_check_keylen(keylen - 4);
        if (err)
                return err;

        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(jrdev, 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), typeof(*alg),
                             skcipher);
        struct device *jrdev = ctx->jrdev;
        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 */
        desc = ctx->sh_desc_enc;
        cnstr_shdsc_skcipher_encap(desc, &ctx->cdata, ivsize, is_rfc3686,
                                   ctx1_iv_off);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   desc_bytes(desc), ctx->dir);

        /* skcipher_decrypt shared descriptor */
        desc = ctx->sh_desc_dec;
        cnstr_shdsc_skcipher_decap(desc, &ctx->cdata, ivsize, is_rfc3686,
                                   ctx1_iv_off);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   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)
                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)
                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)
                return err;

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

static int arc4_skcipher_setkey(struct crypto_skcipher *skcipher,
                                const u8 *key, unsigned int keylen)
{
        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 *jrdev = ctx->jrdev;
        u32 *desc;

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

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

        /* xts_skcipher_encrypt shared descriptor */
        desc = ctx->sh_desc_enc;
        cnstr_shdsc_xts_skcipher_encap(desc, &ctx->cdata);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_enc_dma,
                                   desc_bytes(desc), ctx->dir);

        /* xts_skcipher_decrypt shared descriptor */
        desc = ctx->sh_desc_dec;
        cnstr_shdsc_xts_skcipher_decap(desc, &ctx->cdata);
        dma_sync_single_for_device(jrdev, ctx->sh_desc_dec_dma,
                                   desc_bytes(desc), ctx->dir);

        return 0;
}

/*
 * aead_edesc - s/w-extended aead descriptor
 * @src_nents: number of segments in input s/w scatterlist
 * @dst_nents: number of segments in output s/w scatterlist
 * @mapped_src_nents: number of segments in input h/w link table
 * @mapped_dst_nents: number of segments in output h/w link table
 * @sec4_sg_bytes: length of dma mapped sec4_sg space
 * @bklog: stored to determine if the request needs backlog
 * @sec4_sg_dma: bus physical mapped address of h/w link table
 * @sec4_sg: pointer to h/w link table
 * @hw_desc: the h/w job descriptor followed by any referenced link tables
 */
struct aead_edesc {
        int src_nents;
        int dst_nents;
        int mapped_src_nents;
        int mapped_dst_nents;
        int sec4_sg_bytes;
        bool bklog;
        dma_addr_t sec4_sg_dma;
        struct sec4_sg_entry *sec4_sg;
        u32 hw_desc[];
};

/*
 * skcipher_edesc - s/w-extended skcipher descriptor
 * @src_nents: number of segments in input s/w scatterlist
 * @dst_nents: number of segments in output s/w scatterlist
 * @mapped_src_nents: number of segments in input h/w link table
 * @mapped_dst_nents: number of segments in output h/w link table
 * @iv_dma: dma address of iv for checking continuity and link table
 * @sec4_sg_bytes: length of dma mapped sec4_sg space
 * @bklog: stored to determine if the request needs backlog
 * @sec4_sg_dma: bus physical mapped address of h/w link table
 * @sec4_sg: pointer to h/w link table
 * @hw_desc: the h/w job descriptor followed by any referenced link tables
 *           and IV
 */
struct skcipher_edesc {
        int src_nents;
        int dst_nents;
        int mapped_src_nents;
        int mapped_dst_nents;
        dma_addr_t iv_dma;
        int sec4_sg_bytes;
        bool bklog;
        dma_addr_t sec4_sg_dma;
        struct sec4_sg_entry *sec4_sg;
        u32 hw_desc[];
};

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, dma_addr_t sec4_sg_dma,
                       int sec4_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, DMA_BIDIRECTIONAL);
        if (sec4_sg_bytes)
                dma_unmap_single(dev, sec4_sg_dma, sec4_sg_bytes,
                                 DMA_TO_DEVICE);
}

static void aead_unmap(struct device *dev,
                       struct aead_edesc *edesc,
                       struct aead_request *req)
{
        caam_unmap(dev, req->src, req->dst,
                   edesc->src_nents, edesc->dst_nents, 0, 0,
                   edesc->sec4_sg_dma, edesc->sec4_sg_bytes);
}

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,
                   edesc->sec4_sg_dma, edesc->sec4_sg_bytes);
}

static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err,
                            void *context)
{
        struct aead_request *req = context;
        struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
        struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
        struct aead_edesc *edesc;
        int ecode = 0;
        bool has_bklog;

        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);

        edesc = rctx->edesc;
        has_bklog = edesc->bklog;

        if (err)
                ecode = caam_jr_strstatus(jrdev, err);

        aead_unmap(jrdev, edesc, req);

        kfree(edesc);

        /*
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
        if (!has_bklog)
                aead_request_complete(req, ecode);
        else
                crypto_finalize_aead_request(jrp->engine, req, ecode);
}

static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err,
                                void *context)
{
        struct skcipher_request *req = context;
        struct skcipher_edesc *edesc;
        struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
        int ivsize = crypto_skcipher_ivsize(skcipher);
        int ecode = 0;
        bool has_bklog;

        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);

        edesc = rctx->edesc;
        has_bklog = edesc->bklog;
        if (err)
                ecode = caam_jr_strstatus(jrdev, err);

        skcipher_unmap(jrdev, 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 (ivsize && !ecode) {
                memcpy(req->iv, (u8 *)edesc->sec4_sg + edesc->sec4_sg_bytes,
                       ivsize);

                print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                                     DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
                                     ivsize, 1);
        }

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

        kfree(edesc);

        /*
         * If no backlog flag, the completion of the request is done
         * by CAAM, not crypto engine.
         */
        if (!has_bklog)
                skcipher_request_complete(req, ecode);
        else
                crypto_finalize_skcipher_request(jrp->engine, req, ecode);
}

/*
 * Fill in aead job descriptor
 */
static void init_aead_job(struct aead_request *req,
                          struct aead_edesc *edesc,
                          bool all_contig, bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        int authsize = ctx->authsize;
        u32 *desc = edesc->hw_desc;
        u32 out_options, in_options;
        dma_addr_t dst_dma, src_dma;
        int len, sec4_sg_index = 0;
        dma_addr_t ptr;
        u32 *sh_desc;

        sh_desc = encrypt ? ctx->sh_desc_enc : ctx->sh_desc_dec;
        ptr = encrypt ? ctx->sh_desc_enc_dma : ctx->sh_desc_dec_dma;

        len = desc_len(sh_desc);
        init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);

        if (all_contig) {
                src_dma = edesc->mapped_src_nents ? sg_dma_address(req->src) :
                                                    0;
                in_options = 0;
        } else {
                src_dma = edesc->sec4_sg_dma;
                sec4_sg_index += edesc->mapped_src_nents;
                in_options = LDST_SGF;
        }

        append_seq_in_ptr(desc, src_dma, req->assoclen + req->cryptlen,
                          in_options);

        dst_dma = src_dma;
        out_options = in_options;

        if (unlikely(req->src != req->dst)) {
                if (!edesc->mapped_dst_nents) {
                        dst_dma = 0;
                        out_options = 0;
                } else if (edesc->mapped_dst_nents == 1) {
                        dst_dma = sg_dma_address(req->dst);
                        out_options = 0;
                } else {
                        dst_dma = edesc->sec4_sg_dma +
                                  sec4_sg_index *
                                  sizeof(struct sec4_sg_entry);
                        out_options = LDST_SGF;
                }
        }

        if (encrypt)
                append_seq_out_ptr(desc, dst_dma,
                                   req->assoclen + req->cryptlen + authsize,
                                   out_options);
        else
                append_seq_out_ptr(desc, dst_dma,
                                   req->assoclen + req->cryptlen - authsize,
                                   out_options);
}

static void init_gcm_job(struct aead_request *req,
                         struct aead_edesc *edesc,
                         bool all_contig, bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        u32 *desc = edesc->hw_desc;
        bool generic_gcm = (ivsize == GCM_AES_IV_SIZE);
        unsigned int last;

        init_aead_job(req, edesc, all_contig, encrypt);
        append_math_add_imm_u32(desc, REG3, ZERO, IMM, req->assoclen);

        /* BUG This should not be specific to generic GCM. */
        last = 0;
        if (encrypt && generic_gcm && !(req->assoclen + req->cryptlen))
                last = FIFOLD_TYPE_LAST1;

        /* Read GCM IV */
        append_cmd(desc, CMD_FIFO_LOAD | FIFOLD_CLASS_CLASS1 | IMMEDIATE |
                         FIFOLD_TYPE_IV | FIFOLD_TYPE_FLUSH1 | GCM_AES_IV_SIZE | last);
        /* Append Salt */
        if (!generic_gcm)
                append_data(desc, ctx->key + ctx->cdata.keylen, 4);
        /* Append IV */
        append_data(desc, req->iv, ivsize);
        /* End of blank commands */
}

static void init_chachapoly_job(struct aead_request *req,
                                struct aead_edesc *edesc, bool all_contig,
                                bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        unsigned int assoclen = req->assoclen;
        u32 *desc = edesc->hw_desc;
        u32 ctx_iv_off = 4;

        init_aead_job(req, edesc, all_contig, encrypt);

        if (ivsize != CHACHAPOLY_IV_SIZE) {
                /* IPsec specific: CONTEXT1[223:128] = {NONCE, IV} */
                ctx_iv_off += 4;

                /*
                 * The associated data comes already with the IV but we need
                 * to skip it when we authenticate or encrypt...
                 */
                assoclen -= ivsize;
        }

        append_math_add_imm_u32(desc, REG3, ZERO, IMM, assoclen);

        /*
         * For IPsec load the IV further in the same register.
         * For RFC7539 simply load the 12 bytes nonce in a single operation
         */
        append_load_as_imm(desc, req->iv, ivsize, LDST_CLASS_1_CCB |
                           LDST_SRCDST_BYTE_CONTEXT |
                           ctx_iv_off << LDST_OFFSET_SHIFT);
}

static void init_authenc_job(struct aead_request *req,
                             struct aead_edesc *edesc,
                             bool all_contig, bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
                                                 struct caam_aead_alg, aead);
        unsigned int ivsize = crypto_aead_ivsize(aead);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctx->jrdev->parent);
        const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==
                               OP_ALG_AAI_CTR_MOD128);
        const bool is_rfc3686 = alg->caam.rfc3686;
        u32 *desc = edesc->hw_desc;
        u32 ivoffset = 0;

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

        /*
         * RFC3686 specific:
         *      CONTEXT1[255:128] = {NONCE, IV, COUNTER}
         */
        if (is_rfc3686)
                ivoffset = 16 + CTR_RFC3686_NONCE_SIZE;

        init_aead_job(req, edesc, all_contig, encrypt);

        /*
         * {REG3, DPOVRD} = assoclen, depending on whether MATH command supports
         * having DPOVRD as destination.
         */
        if (ctrlpriv->era < 3)
                append_math_add_imm_u32(desc, REG3, ZERO, IMM, req->assoclen);
        else
                append_math_add_imm_u32(desc, DPOVRD, ZERO, IMM, req->assoclen);

        if (ivsize && ((is_rfc3686 && encrypt) || !alg->caam.geniv))
                append_load_as_imm(desc, req->iv, ivsize,
                                   LDST_CLASS_1_CCB |
                                   LDST_SRCDST_BYTE_CONTEXT |
                                   (ivoffset << LDST_OFFSET_SHIFT));
}

/*
 * Fill in skcipher job descriptor
 */
static void init_skcipher_job(struct skcipher_request *req,
                              struct skcipher_edesc *edesc,
                              const bool encrypt)
{
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct device *jrdev = ctx->jrdev;
        int ivsize = crypto_skcipher_ivsize(skcipher);
        u32 *desc = edesc->hw_desc;
        u32 *sh_desc;
        u32 in_options = 0, out_options = 0;
        dma_addr_t src_dma, dst_dma, ptr;
        int len, sec4_sg_index = 0;

        print_hex_dump_debug("presciv@"__stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv, ivsize, 1);
        dev_dbg(jrdev, "asked=%d, cryptlen%d\n",
               (int)edesc->src_nents > 1 ? 100 : req->cryptlen, req->cryptlen);

        caam_dump_sg("src    @" __stringify(__LINE__)": ",
                     DUMP_PREFIX_ADDRESS, 16, 4, req->src,
                     edesc->src_nents > 1 ? 100 : req->cryptlen, 1);

        sh_desc = encrypt ? ctx->sh_desc_enc : ctx->sh_desc_dec;
        ptr = encrypt ? ctx->sh_desc_enc_dma : ctx->sh_desc_dec_dma;

        len = desc_len(sh_desc);
        init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);

        if (ivsize || edesc->mapped_src_nents > 1) {
                src_dma = edesc->sec4_sg_dma;
                sec4_sg_index = edesc->mapped_src_nents + !!ivsize;
                in_options = LDST_SGF;
        } else {
                src_dma = sg_dma_address(req->src);
        }

        append_seq_in_ptr(desc, src_dma, req->cryptlen + ivsize, in_options);

        if (likely(req->src == req->dst)) {
                dst_dma = src_dma + !!ivsize * sizeof(struct sec4_sg_entry);
                out_options = in_options;
        } else if (!ivsize && edesc->mapped_dst_nents == 1) {
                dst_dma = sg_dma_address(req->dst);
        } else {
                dst_dma = edesc->sec4_sg_dma + sec4_sg_index *
                          sizeof(struct sec4_sg_entry);
                out_options = LDST_SGF;
        }

        append_seq_out_ptr(desc, dst_dma, req->cryptlen + ivsize, out_options);
}

/*
 * allocate and map the aead extended descriptor
 */
static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
                                           int desc_bytes, bool *all_contig_ptr,
                                           bool encrypt)
{
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
        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;
        int sec4_sg_index, sec4_sg_len, sec4_sg_bytes;
        unsigned int authsize = ctx->authsize;

        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(jrdev, "Insufficient bytes (%d) in src S/G\n",
                                src_len);
                        return ERR_PTR(src_nents);
                }

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

        if (likely(req->src == req->dst)) {
                mapped_src_nents = dma_map_sg(jrdev, req->src, src_nents,
                                              DMA_BIDIRECTIONAL);
                if (unlikely(!mapped_src_nents)) {
                        dev_err(jrdev, "unable to map source\n");
                        return ERR_PTR(-ENOMEM);
                }
        } else {
                /* Cover also the case of null (zero length) input data */
                if (src_nents) {
                        mapped_src_nents = dma_map_sg(jrdev, req->src,
                                                      src_nents, DMA_TO_DEVICE);
                        if (unlikely(!mapped_src_nents)) {
                                dev_err(jrdev, "unable to map source\n");
                                return ERR_PTR(-ENOMEM);
                        }
                } else {
                        mapped_src_nents = 0;
                }

                /* Cover also the case of null (zero length) output data */
                if (dst_nents) {
                        mapped_dst_nents = dma_map_sg(jrdev, req->dst,
                                                      dst_nents,
                                                      DMA_FROM_DEVICE);
                        if (unlikely(!mapped_dst_nents)) {
                                dev_err(jrdev, "unable to map destination\n");
                                dma_unmap_sg(jrdev, req->src, src_nents,
                                             DMA_TO_DEVICE);
                                return ERR_PTR(-ENOMEM);
                        }
                } else {
                        mapped_dst_nents = 0;
                }
        }

        /*
         * 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.
         */
        sec4_sg_len = mapped_src_nents > 1 ? mapped_src_nents : 0;
        if (mapped_dst_nents > 1)
                sec4_sg_len += pad_sg_nents(mapped_dst_nents);
        else
                sec4_sg_len = pad_sg_nents(sec4_sg_len);

        sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry);

        /* allocate space for base edesc and hw desc commands, link tables */
        edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes,
                        GFP_DMA | flags);
        if (!edesc) {
                caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, 0, 0);
                return ERR_PTR(-ENOMEM);
        }

        edesc->src_nents = src_nents;
        edesc->dst_nents = dst_nents;
        edesc->mapped_src_nents = mapped_src_nents;
        edesc->mapped_dst_nents = mapped_dst_nents;
        edesc->sec4_sg = (void *)edesc + sizeof(struct aead_edesc) +
                         desc_bytes;

        rctx->edesc = edesc;

        *all_contig_ptr = !(mapped_src_nents > 1);

        sec4_sg_index = 0;
        if (mapped_src_nents > 1) {
                sg_to_sec4_sg_last(req->src, src_len,
                                   edesc->sec4_sg + sec4_sg_index, 0);
                sec4_sg_index += mapped_src_nents;
        }
        if (mapped_dst_nents > 1) {
                sg_to_sec4_sg_last(req->dst, dst_len,
                                   edesc->sec4_sg + sec4_sg_index, 0);
        }

        if (!sec4_sg_bytes)
                return edesc;

        edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
                                            sec4_sg_bytes, DMA_TO_DEVICE);
        if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) {
                dev_err(jrdev, "unable to map S/G table\n");
                aead_unmap(jrdev, edesc, req);
                kfree(edesc);
                return ERR_PTR(-ENOMEM);
        }

        edesc->sec4_sg_bytes = sec4_sg_bytes;

        return edesc;
}

static int aead_enqueue_req(struct device *jrdev, struct aead_request *req)
{
        struct caam_drv_private_jr *jrpriv = dev_get_drvdata(jrdev);
        struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
        struct aead_edesc *edesc = rctx->edesc;
        u32 *desc = edesc->hw_desc;
        int ret;

        /*
         * Only the backlog request are sent to crypto-engine since the others
         * can be handled by CAAM, if free, especially since JR has up to 1024
         * entries (more than the 10 entries from crypto-engine).
         */
        if (req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)
                ret = crypto_transfer_aead_request_to_engine(jrpriv->engine,
                                                             req);
        else
                ret = caam_jr_enqueue(jrdev, desc, aead_crypt_done, req);

        if ((ret != -EINPROGRESS) && (ret != -EBUSY)) {
                aead_unmap(jrdev, edesc, req);
                kfree(rctx->edesc);
        }

        return ret;
}

static inline int chachapoly_crypt(struct aead_request *req, bool encrypt)
{
        struct aead_edesc *edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        bool all_contig;
        u32 *desc;

        edesc = aead_edesc_alloc(req, CHACHAPOLY_DESC_JOB_IO_LEN, &all_contig,
                                 encrypt);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        desc = edesc->hw_desc;

        init_chachapoly_job(req, edesc, all_contig, encrypt);
        print_hex_dump_debug("chachapoly jobdesc@" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc),
                             1);

        return aead_enqueue_req(jrdev, req);
}

static int chachapoly_encrypt(struct aead_request *req)
{
        return chachapoly_crypt(req, true);
}

static int chachapoly_decrypt(struct aead_request *req)
{
        return chachapoly_crypt(req, false);
}

static inline int aead_crypt(struct aead_request *req, bool encrypt)
{
        struct aead_edesc *edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        bool all_contig;

        /* allocate extended descriptor */
        edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN,
                                 &all_contig, encrypt);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        /* Create and submit job descriptor */
        init_authenc_job(req, edesc, all_contig, encrypt);

        print_hex_dump_debug("aead jobdesc@"__stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
                             desc_bytes(edesc->hw_desc), 1);

        return aead_enqueue_req(jrdev, req);
}

static int aead_encrypt(struct aead_request *req)
{
        return aead_crypt(req, true);
}

static int aead_decrypt(struct aead_request *req)
{
        return aead_crypt(req, false);
}

static int aead_do_one_req(struct crypto_engine *engine, void *areq)
{
        struct aead_request *req = aead_request_cast(areq);
        struct caam_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
        struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
        u32 *desc = rctx->edesc->hw_desc;
        int ret;

        rctx->edesc->bklog = true;

        ret = caam_jr_enqueue(ctx->jrdev, desc, aead_crypt_done, req);

        if (ret != -EINPROGRESS) {
                aead_unmap(ctx->jrdev, rctx->edesc, req);
                kfree(rctx->edesc);
        } else {
                ret = 0;
        }

        return ret;
}

static inline int gcm_crypt(struct aead_request *req, bool encrypt)
{
        struct aead_edesc *edesc;
        struct crypto_aead *aead = crypto_aead_reqtfm(req);
        struct caam_ctx *ctx = crypto_aead_ctx(aead);
        struct device *jrdev = ctx->jrdev;
        bool all_contig;

        /* allocate extended descriptor */
        edesc = aead_edesc_alloc(req, GCM_DESC_JOB_IO_LEN, &all_contig,
                                 encrypt);
        if (IS_ERR(edesc))
                return PTR_ERR(edesc);

        /* Create and submit job descriptor */
        init_gcm_job(req, edesc, all_contig, encrypt);

        print_hex_dump_debug("aead jobdesc@"__stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
                             desc_bytes(edesc->hw_desc), 1);

        return aead_enqueue_req(jrdev, req);
}

static int gcm_encrypt(struct aead_request *req)
{
        return gcm_crypt(req, true);
}

static int gcm_decrypt(struct aead_request *req)
{
        return gcm_crypt(req, false);
}

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

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

/*
 * allocate and map the skcipher extended descriptor for skcipher
 */
static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req,
                                                   int desc_bytes)
{
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
        struct device *jrdev = ctx->jrdev;
        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 = 0;
        u8 *iv;
        int ivsize = crypto_skcipher_ivsize(skcipher);
        int dst_sg_idx, sec4_sg_ents, sec4_sg_bytes;

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

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

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

        if (!ivsize && mapped_src_nents == 1)
                sec4_sg_ents = 0; // no need for an input hw s/g table
        else
                sec4_sg_ents = mapped_src_nents + !!ivsize;
        dst_sg_idx = sec4_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. Logic:
         * if (output S/G)
         *      pad output S/G, if needed
         * else if (input S/G) ...
         *      pad input S/G, if needed
         */
        if (ivsize || mapped_dst_nents > 1) {
                if (req->src == req->dst)
                        sec4_sg_ents = !!ivsize + pad_sg_nents(sec4_sg_ents);
                else
                        sec4_sg_ents += pad_sg_nents(mapped_dst_nents +
                                                     !!ivsize);
        } else {
                sec4_sg_ents = pad_sg_nents(sec4_sg_ents);
        }

        sec4_sg_bytes = sec4_sg_ents * sizeof(struct sec4_sg_entry);

        /*
         * allocate space for base edesc and hw desc commands, link tables, IV
         */
        edesc = kzalloc(sizeof(*edesc) + desc_bytes + sec4_sg_bytes + ivsize,
                        GFP_DMA | flags);
        if (!edesc) {
                dev_err(jrdev, "could not allocate extended descriptor\n");
                caam_unmap(jrdev, req->src, req->dst, src_nents, dst_nents, 0,
                           0, 0, 0);
                return ERR_PTR(-ENOMEM);
        }

        edesc->src_nents = src_nents;
        edesc->dst_nents = dst_nents;
        edesc->mapped_src_nents = mapped_src_nents;
        edesc->mapped_dst_nents = mapped_dst_nents;
        edesc->sec4_sg_bytes = sec4_sg_bytes;
        edesc->sec4_sg = (struct sec4_sg_entry *)((u8 *)edesc->hw_desc +
                                                  desc_bytes);
        rctx->edesc = edesc;

        /* Make sure IV is located in a DMAable area */
        if (ivsize) {
                iv = (u8 *)edesc->sec4_sg + sec4_sg_bytes;
                memcpy(iv, req->iv, ivsize);

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

                dma_to_sec4_sg_one(edesc->sec4_sg, iv_dma, ivsize, 0);
        }
        if (dst_sg_idx)
                sg_to_sec4_sg(req->src, req->cryptlen, edesc->sec4_sg +
                              !!ivsize, 0);

        if (req->src != req->dst && (ivsize || mapped_dst_nents > 1))
                sg_to_sec4_sg(req->dst, req->cryptlen, edesc->sec4_sg +
                              dst_sg_idx, 0);

        if (ivsize)
                dma_to_sec4_sg_one(edesc->sec4_sg + dst_sg_idx +
                                   mapped_dst_nents, iv_dma, ivsize, 0);

        if (ivsize || mapped_dst_nents > 1)
                sg_to_sec4_set_last(edesc->sec4_sg + dst_sg_idx +
                                    mapped_dst_nents - 1 + !!ivsize);

        if (sec4_sg_bytes) {
                edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
                                                    sec4_sg_bytes,
                                                    DMA_TO_DEVICE);
                if (dma_mapping_error(jrdev, edesc->sec4_sg_dma)) {
                        dev_err(jrdev, "unable to map S/G table\n");
                        caam_unmap(jrdev, req->src, req->dst, src_nents,
                                   dst_nents, iv_dma, ivsize, 0, 0);
                        kfree(edesc);
                        return ERR_PTR(-ENOMEM);
                }
        }

        edesc->iv_dma = iv_dma;

        print_hex_dump_debug("skcipher sec4_sg@" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, edesc->sec4_sg,
                             sec4_sg_bytes, 1);

        return edesc;
}

static int skcipher_do_one_req(struct crypto_engine *engine, void *areq)
{
        struct skcipher_request *req = skcipher_request_cast(areq);
        struct caam_ctx *ctx = crypto_skcipher_ctx(crypto_skcipher_reqtfm(req));
        struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
        u32 *desc = rctx->edesc->hw_desc;
        int ret;

        rctx->edesc->bklog = true;

        ret = caam_jr_enqueue(ctx->jrdev, desc, skcipher_crypt_done, req);

        if (ret != -EINPROGRESS) {
                skcipher_unmap(ctx->jrdev, rctx->edesc, req);
                kfree(rctx->edesc);
        } else {
                ret = 0;
        }

        return ret;
}

static inline int skcipher_crypt(struct skcipher_request *req, bool encrypt)
{
        struct skcipher_edesc *edesc;
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
        struct device *jrdev = ctx->jrdev;
        struct caam_drv_private_jr *jrpriv = dev_get_drvdata(jrdev);
        u32 *desc;
        int ret = 0;

        if (!req->cryptlen)
                return 0;

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

        /* Create and submit job descriptor*/
        init_skcipher_job(req, edesc, encrypt);

        print_hex_dump_debug("skcipher jobdesc@" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
                             desc_bytes(edesc->hw_desc), 1);

        desc = edesc->hw_desc;
        /*
         * Only the backlog request are sent to crypto-engine since the others
         * can be handled by CAAM, if free, especially since JR has up to 1024
         * entries (more than the 10 entries from crypto-engine).
         */
        if (req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)
                ret = crypto_transfer_skcipher_request_to_engine(jrpriv->engine,
                                                                 req);
        else
                ret = caam_jr_enqueue(jrdev, desc, skcipher_crypt_done, req);

        if ((ret != -EINPROGRESS) && (ret != -EBUSY)) {
                skcipher_unmap(jrdev, edesc, req);
                kfree(edesc);
        }

        return ret;
}

static int skcipher_encrypt(struct skcipher_request *req)
{
        return skcipher_crypt(req, true);
}

static int skcipher_decrypt(struct skcipher_request *req)
{
        return skcipher_crypt(req, false);
}

static struct caam_skcipher_alg driver_algs[] = {
        {
                .skcipher = {
                        .base = {
                                .cra_name = "cbc(aes)",
                                .cra_driver_name = "cbc-aes-caam",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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 = "ecb(des)",
                                .cra_driver_name = "ecb-des-caam",
                                .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,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_ECB,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "ecb(aes)",
                                .cra_driver_name = "ecb-aes-caam",
                                .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,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_ECB,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "ecb(des3_ede)",
                                .cra_driver_name = "ecb-des3-caam",
                                .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,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_ECB,
        },
        {
                .skcipher = {
                        .base = {
                                .cra_name = "ecb(arc4)",
                                .cra_driver_name = "ecb-arc4-caam",
                                .cra_blocksize = ARC4_BLOCK_SIZE,
                        },
                        .setkey = arc4_skcipher_setkey,
                        .encrypt = skcipher_encrypt,
                        .decrypt = skcipher_decrypt,
                        .min_keysize = ARC4_MIN_KEY_SIZE,
                        .max_keysize = ARC4_MAX_KEY_SIZE,
                },
                .caam.class1_alg_type = OP_ALG_ALGSEL_ARC4 | OP_ALG_AAI_ECB,
        },
};

static struct caam_aead_alg driver_aeads[] = {
        {
                .aead = {
                        .base = {
                                .cra_name = "rfc4106(gcm(aes))",
                                .cra_driver_name = "rfc4106-gcm-aes-caam",
                                .cra_blocksize = 1,
                        },
                        .setkey = rfc4106_setkey,
                        .setauthsize = rfc4106_setauthsize,
                        .encrypt = ipsec_gcm_encrypt,
                        .decrypt = ipsec_gcm_decrypt,
                        .ivsize = GCM_RFC4106_IV_SIZE,
                        .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",
                                .cra_blocksize = 1,
                        },
                        .setkey = rfc4543_setkey,
                        .setauthsize = rfc4543_setauthsize,
                        .encrypt = ipsec_gcm_encrypt,
                        .decrypt = ipsec_gcm_decrypt,
                        .ivsize = GCM_RFC4543_IV_SIZE,
                        .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",
                                .cra_blocksize = 1,
                        },
                        .setkey = gcm_setkey,
                        .setauthsize = gcm_setauthsize,
                        .encrypt = gcm_encrypt,
                        .decrypt = gcm_decrypt,
                        .ivsize = GCM_AES_IV_SIZE,
                        .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),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = MD5_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_MD5 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha1),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-sha1-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = SHA1_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_SHA1 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha224),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-sha224-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = SHA224_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_SHA224 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha256),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-sha256-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = SHA256_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_SHA256 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha384),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-sha384-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = SHA384_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_SHA384 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(sha512),"
                                            "ecb(cipher_null))",
                                .cra_driver_name = "authenc-hmac-sha512-"
                                                   "ecb-cipher_null-caam",
                                .cra_blocksize = NULL_BLOCK_SIZE,
                        },
                        .setkey = aead_setkey,
                        .setauthsize = aead_setauthsize,
                        .encrypt = aead_encrypt,
                        .decrypt = aead_decrypt,
                        .ivsize = NULL_IV_SIZE,
                        .maxauthsize = SHA512_DIGEST_SIZE,
                },
                .caam = {
                        .class2_alg_type = OP_ALG_ALGSEL_SHA512 |
                                           OP_ALG_AAI_HMAC_PRECOMP,
                },
        },
        {
                .aead = {
                        .base = {
                                .cra_name = "authenc(hmac(md5),cbc(aes))",
                                .cra_driver_name = "authenc-hmac-md5-"
                                                   "cbc-aes-caam",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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-des-caam",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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",
                                .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 = {