crypto: sun4i-ss - move from ablkcipher to skcipher API
authorAntoine Ténart <antoine.tenart@free-electrons.com>
Thu, 1 Jun 2017 19:39:01 +0000 (21:39 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Mon, 19 Jun 2017 06:19:51 +0000 (14:19 +0800)
Update the sun4i-ss driver to use the skcipher API instead of the old
ablkcipher one. It's a bit more tricky than s/ablkcipher/skcipher/, but
still nothing special and the driver's logic stays the same.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
drivers/crypto/sunxi-ss/sun4i-ss-core.c
drivers/crypto/sunxi-ss/sun4i-ss.h

index 23e549204365c3a16b55534efd8ac8334d1950b0..5cf64746731a331e5a4e6099320b966beac5a702 100644 (file)
  */
 #include "sun4i-ss.h"
 
-static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
+static int sun4i_ss_opti_poll(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
        struct sun4i_ss_ctx *ss = op->ss;
-       unsigned int ivsize = crypto_ablkcipher_ivsize(tfm);
-       struct sun4i_cipher_req_ctx *ctx = ablkcipher_request_ctx(areq);
+       unsigned int ivsize = crypto_skcipher_ivsize(tfm);
+       struct sun4i_cipher_req_ctx *ctx = skcipher_request_ctx(areq);
        u32 mode = ctx->mode;
        /* when activating SS, the default FIFO space is SS_RX_DEFAULT(32) */
        u32 rx_cnt = SS_RX_DEFAULT;
@@ -31,17 +31,17 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
        u32 v;
        int err = 0;
        unsigned int i;
-       unsigned int ileft = areq->nbytes;
-       unsigned int oleft = areq->nbytes;
+       unsigned int ileft = areq->cryptlen;
+       unsigned int oleft = areq->cryptlen;
        unsigned int todo;
        struct sg_mapping_iter mi, mo;
        unsigned int oi, oo; /* offset for in and out */
        unsigned long flags;
 
-       if (!areq->nbytes)
+       if (!areq->cryptlen)
                return 0;
 
-       if (!areq->info) {
+       if (!areq->iv) {
                dev_err_ratelimited(ss->dev, "ERROR: Empty IV\n");
                return -EINVAL;
        }
@@ -56,9 +56,9 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
        for (i = 0; i < op->keylen; i += 4)
                writel(*(op->key + i / 4), ss->base + SS_KEY0 + i);
 
-       if (areq->info) {
+       if (areq->iv) {
                for (i = 0; i < 4 && i < ivsize / 4; i++) {
-                       v = *(u32 *)(areq->info + i * 4);
+                       v = *(u32 *)(areq->iv + i * 4);
                        writel(v, ss->base + SS_IV0 + i * 4);
                }
        }
@@ -76,8 +76,8 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
                goto release_ss;
        }
 
-       ileft = areq->nbytes / 4;
-       oleft = areq->nbytes / 4;
+       ileft = areq->cryptlen / 4;
+       oleft = areq->cryptlen / 4;
        oi = 0;
        oo = 0;
        do {
@@ -108,10 +108,10 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
                }
        } while (oleft);
 
-       if (areq->info) {
+       if (areq->iv) {
                for (i = 0; i < 4 && i < ivsize / 4; i++) {
                        v = readl(ss->base + SS_IV0 + i * 4);
-                       *(u32 *)(areq->info + i * 4) = v;
+                       *(u32 *)(areq->iv + i * 4) = v;
                }
        }
 
@@ -124,16 +124,16 @@ release_ss:
 }
 
 /* Generic function that support SG with size not multiple of 4 */
-static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
+static int sun4i_ss_cipher_poll(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
        struct sun4i_ss_ctx *ss = op->ss;
        int no_chunk = 1;
        struct scatterlist *in_sg = areq->src;
        struct scatterlist *out_sg = areq->dst;
-       unsigned int ivsize = crypto_ablkcipher_ivsize(tfm);
-       struct sun4i_cipher_req_ctx *ctx = ablkcipher_request_ctx(areq);
+       unsigned int ivsize = crypto_skcipher_ivsize(tfm);
+       struct sun4i_cipher_req_ctx *ctx = skcipher_request_ctx(areq);
        u32 mode = ctx->mode;
        /* when activating SS, the default FIFO space is SS_RX_DEFAULT(32) */
        u32 rx_cnt = SS_RX_DEFAULT;
@@ -142,8 +142,8 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
        u32 spaces;
        int err = 0;
        unsigned int i;
-       unsigned int ileft = areq->nbytes;
-       unsigned int oleft = areq->nbytes;
+       unsigned int ileft = areq->cryptlen;
+       unsigned int oleft = areq->cryptlen;
        unsigned int todo;
        struct sg_mapping_iter mi, mo;
        unsigned int oi, oo;    /* offset for in and out */
@@ -154,10 +154,10 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
        unsigned int obl = 0;   /* length of data in bufo */
        unsigned long flags;
 
-       if (!areq->nbytes)
+       if (!areq->cryptlen)
                return 0;
 
-       if (!areq->info) {
+       if (!areq->iv) {
                dev_err_ratelimited(ss->dev, "ERROR: Empty IV\n");
                return -EINVAL;
        }
@@ -190,9 +190,9 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
        for (i = 0; i < op->keylen; i += 4)
                writel(*(op->key + i / 4), ss->base + SS_KEY0 + i);
 
-       if (areq->info) {
+       if (areq->iv) {
                for (i = 0; i < 4 && i < ivsize / 4; i++) {
-                       v = *(u32 *)(areq->info + i * 4);
+                       v = *(u32 *)(areq->iv + i * 4);
                        writel(v, ss->base + SS_IV0 + i * 4);
                }
        }
@@ -209,8 +209,8 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
                err = -EINVAL;
                goto release_ss;
        }
-       ileft = areq->nbytes;
-       oleft = areq->nbytes;
+       ileft = areq->cryptlen;
+       oleft = areq->cryptlen;
        oi = 0;
        oo = 0;
 
@@ -257,8 +257,8 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
                tx_cnt = SS_TXFIFO_SPACES(spaces);
                dev_dbg(ss->dev, "%x %u/%u %u/%u cnt=%u %u/%u %u/%u cnt=%u %u\n",
                        mode,
-                       oi, mi.length, ileft, areq->nbytes, rx_cnt,
-                       oo, mo.length, oleft, areq->nbytes, tx_cnt, ob);
+                       oi, mi.length, ileft, areq->cryptlen, rx_cnt,
+                       oo, mo.length, oleft, areq->cryptlen, tx_cnt, ob);
 
                if (!tx_cnt)
                        continue;
@@ -300,10 +300,10 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
                        /* bufo must be fully used here */
                }
        }
-       if (areq->info) {
+       if (areq->iv) {
                for (i = 0; i < 4 && i < ivsize / 4; i++) {
                        v = readl(ss->base + SS_IV0 + i * 4);
-                       *(u32 *)(areq->info + i * 4) = v;
+                       *(u32 *)(areq->iv + i * 4) = v;
                }
        }
 
@@ -317,22 +317,22 @@ release_ss:
 }
 
 /* CBC AES */
-int sun4i_ss_cbc_aes_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_aes_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_AES | SS_CBC | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_cbc_aes_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_aes_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_AES | SS_CBC | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -340,22 +340,22 @@ int sun4i_ss_cbc_aes_decrypt(struct ablkcipher_request *areq)
 }
 
 /* ECB AES */
-int sun4i_ss_ecb_aes_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_aes_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_AES | SS_ECB | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_ecb_aes_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_aes_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_AES | SS_ECB | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -363,22 +363,22 @@ int sun4i_ss_ecb_aes_decrypt(struct ablkcipher_request *areq)
 }
 
 /* CBC DES */
-int sun4i_ss_cbc_des_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_des_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_DES | SS_CBC | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_cbc_des_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_des_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_DES | SS_CBC | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -386,22 +386,22 @@ int sun4i_ss_cbc_des_decrypt(struct ablkcipher_request *areq)
 }
 
 /* ECB DES */
-int sun4i_ss_ecb_des_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_des_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_DES | SS_ECB | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_ecb_des_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_des_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_DES | SS_ECB | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -409,22 +409,22 @@ int sun4i_ss_ecb_des_decrypt(struct ablkcipher_request *areq)
 }
 
 /* CBC 3DES */
-int sun4i_ss_cbc_des3_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_des3_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_3DES | SS_CBC | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_cbc_des3_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_cbc_des3_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_3DES | SS_CBC | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -432,22 +432,22 @@ int sun4i_ss_cbc_des3_decrypt(struct ablkcipher_request *areq)
 }
 
 /* ECB 3DES */
-int sun4i_ss_ecb_des3_encrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_des3_encrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_3DES | SS_ECB | SS_ENABLED | SS_ENCRYPTION |
                op->keymode;
        return sun4i_ss_cipher_poll(areq);
 }
 
-int sun4i_ss_ecb_des3_decrypt(struct ablkcipher_request *areq)
+int sun4i_ss_ecb_des3_decrypt(struct skcipher_request *areq)
 {
-       struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(areq);
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
-       struct sun4i_cipher_req_ctx *rctx = ablkcipher_request_ctx(areq);
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+       struct sun4i_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
 
        rctx->mode = SS_OP_3DES | SS_ECB | SS_ENABLED | SS_DECRYPTION |
                op->keymode;
@@ -457,24 +457,25 @@ int sun4i_ss_ecb_des3_decrypt(struct ablkcipher_request *areq)
 int sun4i_ss_cipher_init(struct crypto_tfm *tfm)
 {
        struct sun4i_tfm_ctx *op = crypto_tfm_ctx(tfm);
-       struct crypto_alg *alg = tfm->__crt_alg;
        struct sun4i_ss_alg_template *algt;
 
        memset(op, 0, sizeof(struct sun4i_tfm_ctx));
 
-       algt = container_of(alg, struct sun4i_ss_alg_template, alg.crypto);
+       algt = container_of(tfm->__crt_alg, struct sun4i_ss_alg_template,
+                           alg.crypto.base);
        op->ss = algt->ss;
 
-       tfm->crt_ablkcipher.reqsize = sizeof(struct sun4i_cipher_req_ctx);
+       crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm),
+                                   sizeof(struct sun4i_cipher_req_ctx));
 
        return 0;
 }
 
 /* check and set the AES key, prepare the mode to be used */
-int sun4i_ss_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
                        unsigned int keylen)
 {
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
        struct sun4i_ss_ctx *ss = op->ss;
 
        switch (keylen) {
@@ -489,7 +490,7 @@ int sun4i_ss_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
                break;
        default:
                dev_err(ss->dev, "ERROR: Invalid keylen %u\n", keylen);
-               crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+               crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }
        op->keylen = keylen;
@@ -498,10 +499,10 @@ int sun4i_ss_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
 }
 
 /* check and set the DES key, prepare the mode to be used */
-int sun4i_ss_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key,
                        unsigned int keylen)
 {
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
        struct sun4i_ss_ctx *ss = op->ss;
        u32 flags;
        u32 tmp[DES_EXPKEY_WORDS];
@@ -509,15 +510,15 @@ int sun4i_ss_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
 
        if (unlikely(keylen != DES_KEY_SIZE)) {
                dev_err(ss->dev, "Invalid keylen %u\n", keylen);
-               crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+               crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }
 
-       flags = crypto_ablkcipher_get_flags(tfm);
+       flags = crypto_skcipher_get_flags(tfm);
 
        ret = des_ekey(tmp, key);
        if (unlikely(!ret) && (flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
-               crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY);
+               crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY);
                dev_dbg(ss->dev, "Weak key %u\n", keylen);
                return -EINVAL;
        }
@@ -528,15 +529,15 @@ int sun4i_ss_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
 }
 
 /* check and set the 3DES key, prepare the mode to be used */
-int sun4i_ss_des3_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
                         unsigned int keylen)
 {
-       struct sun4i_tfm_ctx *op = crypto_ablkcipher_ctx(tfm);
+       struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm);
        struct sun4i_ss_ctx *ss = op->ss;
 
        if (unlikely(keylen != 3 * DES_KEY_SIZE)) {
                dev_err(ss->dev, "Invalid keylen %u\n", keylen);
-               crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+               crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }
        op->keylen = keylen;
index 50af81c3eb4582ce1066186191eccf1308375b36..f7b99974d1bb9f8944a74c6271e44eee0b3aa059 100644 (file)
@@ -83,134 +83,128 @@ static struct sun4i_ss_alg_template ss_algs[] = {
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "cbc(aes)",
-               .cra_driver_name = "cbc-aes-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = AES_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_tfm_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_ablkcipher = {
-                       .min_keysize    = AES_MIN_KEY_SIZE,
-                       .max_keysize    = AES_MAX_KEY_SIZE,
-                       .ivsize         = AES_BLOCK_SIZE,
-                       .setkey         = sun4i_ss_aes_setkey,
-                       .encrypt        = sun4i_ss_cbc_aes_encrypt,
-                       .decrypt        = sun4i_ss_cbc_aes_decrypt,
+               .setkey         = sun4i_ss_aes_setkey,
+               .encrypt        = sun4i_ss_cbc_aes_encrypt,
+               .decrypt        = sun4i_ss_cbc_aes_decrypt,
+               .min_keysize    = AES_MIN_KEY_SIZE,
+               .max_keysize    = AES_MAX_KEY_SIZE,
+               .ivsize         = AES_BLOCK_SIZE,
+               .base = {
+                       .cra_name = "cbc(aes)",
+                       .cra_driver_name = "cbc-aes-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = AES_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_tfm_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "ecb(aes)",
-               .cra_driver_name = "ecb-aes-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = AES_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_tfm_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_ablkcipher = {
-                       .min_keysize    = AES_MIN_KEY_SIZE,
-                       .max_keysize    = AES_MAX_KEY_SIZE,
-                       .ivsize         = AES_BLOCK_SIZE,
-                       .setkey         = sun4i_ss_aes_setkey,
-                       .encrypt        = sun4i_ss_ecb_aes_encrypt,
-                       .decrypt        = sun4i_ss_ecb_aes_decrypt,
+               .setkey         = sun4i_ss_aes_setkey,
+               .encrypt        = sun4i_ss_ecb_aes_encrypt,
+               .decrypt        = sun4i_ss_ecb_aes_decrypt,
+               .min_keysize    = AES_MIN_KEY_SIZE,
+               .max_keysize    = AES_MAX_KEY_SIZE,
+               .ivsize         = AES_BLOCK_SIZE,
+               .base = {
+                       .cra_name = "ecb(aes)",
+                       .cra_driver_name = "ecb-aes-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = AES_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_tfm_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "cbc(des)",
-               .cra_driver_name = "cbc-des-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = DES_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_req_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_u.ablkcipher = {
-                       .min_keysize    = DES_KEY_SIZE,
-                       .max_keysize    = DES_KEY_SIZE,
-                       .ivsize         = DES_BLOCK_SIZE,
-                       .setkey         = sun4i_ss_des_setkey,
-                       .encrypt        = sun4i_ss_cbc_des_encrypt,
-                       .decrypt        = sun4i_ss_cbc_des_decrypt,
+               .setkey         = sun4i_ss_des_setkey,
+               .encrypt        = sun4i_ss_cbc_des_encrypt,
+               .decrypt        = sun4i_ss_cbc_des_decrypt,
+               .min_keysize    = DES_KEY_SIZE,
+               .max_keysize    = DES_KEY_SIZE,
+               .ivsize         = DES_BLOCK_SIZE,
+               .base = {
+                       .cra_name = "cbc(des)",
+                       .cra_driver_name = "cbc-des-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = DES_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_req_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "ecb(des)",
-               .cra_driver_name = "ecb-des-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = DES_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_req_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_u.ablkcipher = {
-                       .min_keysize    = DES_KEY_SIZE,
-                       .max_keysize    = DES_KEY_SIZE,
-                       .setkey         = sun4i_ss_des_setkey,
-                       .encrypt        = sun4i_ss_ecb_des_encrypt,
-                       .decrypt        = sun4i_ss_ecb_des_decrypt,
+               .setkey         = sun4i_ss_des_setkey,
+               .encrypt        = sun4i_ss_ecb_des_encrypt,
+               .decrypt        = sun4i_ss_ecb_des_decrypt,
+               .min_keysize    = DES_KEY_SIZE,
+               .max_keysize    = DES_KEY_SIZE,
+               .base = {
+                       .cra_name = "ecb(des)",
+                       .cra_driver_name = "ecb-des-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = DES_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_req_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "cbc(des3_ede)",
-               .cra_driver_name = "cbc-des3-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_req_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_u.ablkcipher = {
-                       .min_keysize    = DES3_EDE_KEY_SIZE,
-                       .max_keysize    = DES3_EDE_KEY_SIZE,
-                       .ivsize         = DES3_EDE_BLOCK_SIZE,
-                       .setkey         = sun4i_ss_des3_setkey,
-                       .encrypt        = sun4i_ss_cbc_des3_encrypt,
-                       .decrypt        = sun4i_ss_cbc_des3_decrypt,
+               .setkey         = sun4i_ss_des3_setkey,
+               .encrypt        = sun4i_ss_cbc_des3_encrypt,
+               .decrypt        = sun4i_ss_cbc_des3_decrypt,
+               .min_keysize    = DES3_EDE_KEY_SIZE,
+               .max_keysize    = DES3_EDE_KEY_SIZE,
+               .ivsize         = DES3_EDE_BLOCK_SIZE,
+               .base = {
+                       .cra_name = "cbc(des3_ede)",
+                       .cra_driver_name = "cbc-des3-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_req_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
-{       .type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+{       .type = CRYPTO_ALG_TYPE_SKCIPHER,
        .alg.crypto = {
-               .cra_name = "ecb(des3_ede)",
-               .cra_driver_name = "ecb-des3-sun4i-ss",
-               .cra_priority = 300,
-               .cra_blocksize = DES3_EDE_BLOCK_SIZE,
-               .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER,
-               .cra_ctxsize = sizeof(struct sun4i_req_ctx),
-               .cra_module = THIS_MODULE,
-               .cra_alignmask = 3,
-               .cra_type = &crypto_ablkcipher_type,
-               .cra_init = sun4i_ss_cipher_init,
-               .cra_u.ablkcipher = {
-                       .min_keysize    = DES3_EDE_KEY_SIZE,
-                       .max_keysize    = DES3_EDE_KEY_SIZE,
-                       .ivsize         = DES3_EDE_BLOCK_SIZE,
-                       .setkey         = sun4i_ss_des3_setkey,
-                       .encrypt        = sun4i_ss_ecb_des3_encrypt,
-                       .decrypt        = sun4i_ss_ecb_des3_decrypt,
+               .setkey         = sun4i_ss_des3_setkey,
+               .encrypt        = sun4i_ss_ecb_des3_encrypt,
+               .decrypt        = sun4i_ss_ecb_des3_decrypt,
+               .min_keysize    = DES3_EDE_KEY_SIZE,
+               .max_keysize    = DES3_EDE_KEY_SIZE,
+               .ivsize         = DES3_EDE_BLOCK_SIZE,
+               .base = {
+                       .cra_name = "ecb(des3_ede)",
+                       .cra_driver_name = "ecb-des3-sun4i-ss",
+                       .cra_priority = 300,
+                       .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+                       .cra_flags = CRYPTO_ALG_TYPE_SKCIPHER,
+                       .cra_ctxsize = sizeof(struct sun4i_req_ctx),
+                       .cra_module = THIS_MODULE,
+                       .cra_alignmask = 3,
+                       .cra_init = sun4i_ss_cipher_init,
                }
        }
 },
@@ -340,11 +334,11 @@ static int sun4i_ss_probe(struct platform_device *pdev)
        for (i = 0; i < ARRAY_SIZE(ss_algs); i++) {
                ss_algs[i].ss = ss;
                switch (ss_algs[i].type) {
-               case CRYPTO_ALG_TYPE_ABLKCIPHER:
-                       err = crypto_register_alg(&ss_algs[i].alg.crypto);
+               case CRYPTO_ALG_TYPE_SKCIPHER:
+                       err = crypto_register_skcipher(&ss_algs[i].alg.crypto);
                        if (err) {
                                dev_err(ss->dev, "Fail to register %s\n",
-                                       ss_algs[i].alg.crypto.cra_name);
+                                       ss_algs[i].alg.crypto.base.cra_name);
                                goto error_alg;
                        }
                        break;
@@ -364,8 +358,8 @@ error_alg:
        i--;
        for (; i >= 0; i--) {
                switch (ss_algs[i].type) {
-               case CRYPTO_ALG_TYPE_ABLKCIPHER:
-                       crypto_unregister_alg(&ss_algs[i].alg.crypto);
+               case CRYPTO_ALG_TYPE_SKCIPHER:
+                       crypto_unregister_skcipher(&ss_algs[i].alg.crypto);
                        break;
                case CRYPTO_ALG_TYPE_AHASH:
                        crypto_unregister_ahash(&ss_algs[i].alg.hash);
@@ -388,8 +382,8 @@ static int sun4i_ss_remove(struct platform_device *pdev)
 
        for (i = 0; i < ARRAY_SIZE(ss_algs); i++) {
                switch (ss_algs[i].type) {
-               case CRYPTO_ALG_TYPE_ABLKCIPHER:
-                       crypto_unregister_alg(&ss_algs[i].alg.crypto);
+               case CRYPTO_ALG_TYPE_SKCIPHER:
+                       crypto_unregister_skcipher(&ss_algs[i].alg.crypto);
                        break;
                case CRYPTO_ALG_TYPE_AHASH:
                        crypto_unregister_ahash(&ss_algs[i].alg.hash);
index f04c0f8cf026928275b299270e185361943ce459..a0e1efc1cb2a14472d109a41a033e6776be6c8ce 100644 (file)
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <crypto/md5.h>
+#include <crypto/skcipher.h>
 #include <crypto/sha.h>
 #include <crypto/hash.h>
 #include <crypto/internal/hash.h>
+#include <crypto/internal/skcipher.h>
 #include <crypto/aes.h>
 #include <crypto/des.h>
 #include <crypto/internal/rng.h>
@@ -140,7 +142,7 @@ struct sun4i_ss_alg_template {
        u32 type;
        u32 mode;
        union {
-               struct crypto_alg crypto;
+               struct skcipher_alg crypto;
                struct ahash_alg hash;
        } alg;
        struct sun4i_ss_ctx *ss;
@@ -177,25 +179,25 @@ int sun4i_hash_import_md5(struct ahash_request *areq, const void *in);
 int sun4i_hash_export_sha1(struct ahash_request *areq, void *out);
 int sun4i_hash_import_sha1(struct ahash_request *areq, const void *in);
 
-int sun4i_ss_cbc_aes_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_cbc_aes_decrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_aes_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_aes_decrypt(struct ablkcipher_request *areq);
+int sun4i_ss_cbc_aes_encrypt(struct skcipher_request *areq);
+int sun4i_ss_cbc_aes_decrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_aes_encrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_aes_decrypt(struct skcipher_request *areq);
 
-int sun4i_ss_cbc_des_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_cbc_des_decrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_des_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_des_decrypt(struct ablkcipher_request *areq);
+int sun4i_ss_cbc_des_encrypt(struct skcipher_request *areq);
+int sun4i_ss_cbc_des_decrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_des_encrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_des_decrypt(struct skcipher_request *areq);
 
-int sun4i_ss_cbc_des3_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_cbc_des3_decrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_des3_encrypt(struct ablkcipher_request *areq);
-int sun4i_ss_ecb_des3_decrypt(struct ablkcipher_request *areq);
+int sun4i_ss_cbc_des3_encrypt(struct skcipher_request *areq);
+int sun4i_ss_cbc_des3_decrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_des3_encrypt(struct skcipher_request *areq);
+int sun4i_ss_ecb_des3_decrypt(struct skcipher_request *areq);
 
 int sun4i_ss_cipher_init(struct crypto_tfm *tfm);
-int sun4i_ss_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
                        unsigned int keylen);
-int sun4i_ss_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key,
                        unsigned int keylen);
-int sun4i_ss_des3_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+int sun4i_ss_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
                         unsigned int keylen);