diff options
Diffstat (limited to 'drivers/crypto/omap-sham.c')
| -rw-r--r-- | drivers/crypto/omap-sham.c | 281 |
1 files changed, 145 insertions, 136 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index cbeda59c6b19..a6b4a0b3ace3 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -13,34 +13,30 @@ #define pr_fmt(fmt) "%s: " fmt, __func__ +#include <crypto/engine.h> +#include <crypto/hmac.h> +#include <crypto/internal/hash.h> +#include <crypto/scatterwalk.h> +#include <crypto/sha1.h> +#include <crypto/sha2.h> #include <linux/err.h> #include <linux/device.h> -#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> #include <linux/init.h> -#include <linux/errno.h> #include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/irq.h> #include <linux/io.h> -#include <linux/platform_device.h> -#include <linux/scatterlist.h> -#include <linux/dma-mapping.h> -#include <linux/dmaengine.h> -#include <linux/pm_runtime.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/of_address.h> #include <linux/of_irq.h> -#include <linux/delay.h> -#include <linux/crypto.h> -#include <crypto/scatterwalk.h> -#include <crypto/algapi.h> -#include <crypto/sha1.h> -#include <crypto/sha2.h> -#include <crypto/hash.h> -#include <crypto/hmac.h> -#include <crypto/internal/hash.h> -#include <crypto/engine.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/scatterlist.h> +#include <linux/slab.h> +#include <linux/string.h> #define MD5_DIGEST_SIZE 16 @@ -168,7 +164,6 @@ struct omap_sham_hmac_ctx { }; struct omap_sham_ctx { - struct crypto_engine_ctx enginectx; unsigned long flags; /* fallback stuff */ @@ -180,7 +175,7 @@ struct omap_sham_ctx { #define OMAP_SHAM_QUEUE_LENGTH 10 struct omap_sham_algs_info { - struct ahash_alg *algs_list; + struct ahash_engine_alg *algs_list; unsigned int size; unsigned int registered; }; @@ -1074,6 +1069,10 @@ static int omap_sham_hash_one_req(struct crypto_engine *engine, void *areq) dev_dbg(dd->dev, "hash-one: op: %u, total: %u, digcnt: %zd, final: %d", ctx->op, ctx->total, ctx->digcnt, final); + err = omap_sham_prepare_request(engine, areq); + if (err) + return err; + err = pm_runtime_resume_and_get(dd->dev); if (err < 0) { dev_err(dd->dev, "failed to get sync: %d\n", err); @@ -1349,10 +1348,6 @@ static int omap_sham_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base) } - tctx->enginectx.op.do_one_request = omap_sham_hash_one_req; - tctx->enginectx.op.prepare_request = omap_sham_prepare_request; - tctx->enginectx.op.unprepare_request = NULL; - return 0; } @@ -1423,15 +1418,15 @@ static int omap_sham_import(struct ahash_request *req, const void *in) return 0; } -static struct ahash_alg algs_sha1_md5[] = { +static struct ahash_engine_alg algs_sha1_md5[] = { { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = SHA1_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = SHA1_DIGEST_SIZE, + .base.halg.base = { .cra_name = "sha1", .cra_driver_name = "omap-sha1", .cra_priority = 400, @@ -1444,16 +1439,17 @@ static struct ahash_alg algs_sha1_md5[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = MD5_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = MD5_DIGEST_SIZE, + .base.halg.base = { .cra_name = "md5", .cra_driver_name = "omap-md5", .cra_priority = 400, @@ -1466,17 +1462,18 @@ static struct ahash_alg algs_sha1_md5[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = SHA1_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = SHA1_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(sha1)", .cra_driver_name = "omap-hmac-sha1", .cra_priority = 400, @@ -1490,17 +1487,18 @@ static struct ahash_alg algs_sha1_md5[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_sha1_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = MD5_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = MD5_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(md5)", .cra_driver_name = "omap-hmac-md5", .cra_priority = 400, @@ -1514,20 +1512,21 @@ static struct ahash_alg algs_sha1_md5[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_md5_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, } }; /* OMAP4 has some algs in addition to what OMAP2 has */ -static struct ahash_alg algs_sha224_sha256[] = { -{ - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = SHA224_DIGEST_SIZE, - .halg.base = { +static struct ahash_engine_alg algs_sha224_sha256[] = { +{ + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = SHA224_DIGEST_SIZE, + .base.halg.base = { .cra_name = "sha224", .cra_driver_name = "omap-sha224", .cra_priority = 400, @@ -1540,16 +1539,17 @@ static struct ahash_alg algs_sha224_sha256[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = SHA256_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = SHA256_DIGEST_SIZE, + .base.halg.base = { .cra_name = "sha256", .cra_driver_name = "omap-sha256", .cra_priority = 400, @@ -1562,17 +1562,18 @@ static struct ahash_alg algs_sha224_sha256[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = SHA224_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = SHA224_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(sha224)", .cra_driver_name = "omap-hmac-sha224", .cra_priority = 400, @@ -1586,17 +1587,18 @@ static struct ahash_alg algs_sha224_sha256[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_sha224_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = SHA256_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = SHA256_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(sha256)", .cra_driver_name = "omap-hmac-sha256", .cra_priority = 400, @@ -1610,19 +1612,20 @@ static struct ahash_alg algs_sha224_sha256[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_sha256_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, }; -static struct ahash_alg algs_sha384_sha512[] = { +static struct ahash_engine_alg algs_sha384_sha512[] = { { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = SHA384_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = SHA384_DIGEST_SIZE, + .base.halg.base = { .cra_name = "sha384", .cra_driver_name = "omap-sha384", .cra_priority = 400, @@ -1635,16 +1638,17 @@ static struct ahash_alg algs_sha384_sha512[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .halg.digestsize = SHA512_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.halg.digestsize = SHA512_DIGEST_SIZE, + .base.halg.base = { .cra_name = "sha512", .cra_driver_name = "omap-sha512", .cra_priority = 400, @@ -1657,17 +1661,18 @@ static struct ahash_alg algs_sha384_sha512[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = SHA384_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = SHA384_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(sha384)", .cra_driver_name = "omap-hmac-sha384", .cra_priority = 400, @@ -1681,17 +1686,18 @@ static struct ahash_alg algs_sha384_sha512[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_sha384_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, { - .init = omap_sham_init, - .update = omap_sham_update, - .final = omap_sham_final, - .finup = omap_sham_finup, - .digest = omap_sham_digest, - .setkey = omap_sham_setkey, - .halg.digestsize = SHA512_DIGEST_SIZE, - .halg.base = { + .base.init = omap_sham_init, + .base.update = omap_sham_update, + .base.final = omap_sham_final, + .base.finup = omap_sham_finup, + .base.digest = omap_sham_digest, + .base.setkey = omap_sham_setkey, + .base.halg.digestsize = SHA512_DIGEST_SIZE, + .base.halg.base = { .cra_name = "hmac(sha512)", .cra_driver_name = "omap-hmac-sha512", .cra_priority = 400, @@ -1705,7 +1711,8 @@ static struct ahash_alg algs_sha384_sha512[] = { .cra_module = THIS_MODULE, .cra_init = omap_sham_cra_sha512_init, .cra_exit = omap_sham_cra_exit, - } + }, + .op.do_one_request = omap_sham_hash_one_req, }, }; @@ -2146,14 +2153,16 @@ static int omap_sham_probe(struct platform_device *pdev) break; for (j = 0; j < dd->pdata->algs_info[i].size; j++) { + struct ahash_engine_alg *ealg; struct ahash_alg *alg; - alg = &dd->pdata->algs_info[i].algs_list[j]; + ealg = &dd->pdata->algs_info[i].algs_list[j]; + alg = &ealg->base; alg->export = omap_sham_export; alg->import = omap_sham_import; alg->halg.statesize = sizeof(struct omap_sham_reqctx) + BUFLEN; - err = crypto_register_ahash(alg); + err = crypto_engine_register_ahash(ealg); if (err) goto err_algs; @@ -2172,7 +2181,7 @@ static int omap_sham_probe(struct platform_device *pdev) err_algs: for (i = dd->pdata->algs_info_size - 1; i >= 0; i--) for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) - crypto_unregister_ahash( + crypto_engine_unregister_ahash( &dd->pdata->algs_info[i].algs_list[j]); err_engine_start: crypto_engine_exit(dd->engine); @@ -2203,7 +2212,7 @@ static int omap_sham_remove(struct platform_device *pdev) spin_unlock_bh(&sham.lock); for (i = dd->pdata->algs_info_size - 1; i >= 0; i--) for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) { - crypto_unregister_ahash( + crypto_engine_unregister_ahash( &dd->pdata->algs_info[i].algs_list[j]); dd->pdata->algs_info[i].registered--; } |