diff options
Diffstat (limited to 'drivers/crypto/omap-des.c')
| -rw-r--r-- | drivers/crypto/omap-des.c | 214 |
1 files changed, 100 insertions, 114 deletions
diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index f783769ea110..089dd45eaedd 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -16,27 +16,23 @@ #define prx(num) do { } while (0) #endif +#include <crypto/engine.h> +#include <crypto/internal/des.h> +#include <crypto/internal/skcipher.h> +#include <crypto/scatterwalk.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> #include <linux/err.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/io.h> #include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.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/of.h> -#include <linux/of_device.h> -#include <linux/of_address.h> -#include <linux/io.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <crypto/scatterwalk.h> -#include <crypto/internal/des.h> -#include <crypto/internal/skcipher.h> -#include <crypto/algapi.h> -#include <crypto/engine.h> +#include <linux/scatterlist.h> +#include <linux/string.h> #include "omap-crypto.h" @@ -83,7 +79,6 @@ #define FLAGS_OUT_DATA_ST_SHIFT 10 struct omap_des_ctx { - struct crypto_engine_ctx enginectx; struct omap_des_dev *dd; int keylen; @@ -99,9 +94,9 @@ struct omap_des_reqctx { #define OMAP_DES_CACHE_SIZE 0 struct omap_des_algs_info { - struct skcipher_alg *algs_list; - unsigned int size; - unsigned int registered; + struct skcipher_engine_alg *algs_list; + unsigned int size; + unsigned int registered; }; struct omap_des_pdata { @@ -522,20 +517,15 @@ static int omap_des_handle_queue(struct omap_des_dev *dd, return 0; } -static int omap_des_prepare_req(struct crypto_engine *engine, - void *areq) +static int omap_des_prepare_req(struct skcipher_request *req, + struct omap_des_dev *dd) { - struct skcipher_request *req = container_of(areq, struct skcipher_request, base); struct omap_des_ctx *ctx = crypto_skcipher_ctx( crypto_skcipher_reqtfm(req)); - struct omap_des_dev *dd = omap_des_find_dev(ctx); struct omap_des_reqctx *rctx; int ret; u16 flags; - if (!dd) - return -ENODEV; - /* assign new request to device */ dd->req = req; dd->total = req->cryptlen; @@ -590,7 +580,8 @@ static int omap_des_crypt_req(struct crypto_engine *engine, if (!dd) return -ENODEV; - return omap_des_crypt_dma_start(dd); + return omap_des_prepare_req(req, dd) ?: + omap_des_crypt_dma_start(dd); } static void omap_des_done_task(unsigned long data) @@ -709,98 +700,99 @@ static int omap_des_cbc_decrypt(struct skcipher_request *req) return omap_des_crypt(req, FLAGS_CBC); } -static int omap_des_prepare_req(struct crypto_engine *engine, - void *areq); -static int omap_des_crypt_req(struct crypto_engine *engine, - void *areq); - static int omap_des_init_tfm(struct crypto_skcipher *tfm) { - struct omap_des_ctx *ctx = crypto_skcipher_ctx(tfm); - pr_debug("enter\n"); crypto_skcipher_set_reqsize(tfm, sizeof(struct omap_des_reqctx)); - ctx->enginectx.op.prepare_request = omap_des_prepare_req; - ctx->enginectx.op.unprepare_request = NULL; - ctx->enginectx.op.do_one_request = omap_des_crypt_req; - return 0; } /* ********************** ALGS ************************************ */ -static struct skcipher_alg algs_ecb_cbc[] = { +static struct skcipher_engine_alg algs_ecb_cbc[] = { { - .base.cra_name = "ecb(des)", - .base.cra_driver_name = "ecb-des-omap", - .base.cra_priority = 300, - .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, - .base.cra_blocksize = DES_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct omap_des_ctx), - .base.cra_module = THIS_MODULE, - - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = omap_des_setkey, - .encrypt = omap_des_ecb_encrypt, - .decrypt = omap_des_ecb_decrypt, - .init = omap_des_init_tfm, + .base = { + .base.cra_name = "ecb(des)", + .base.cra_driver_name = "ecb-des-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_des_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = omap_des_setkey, + .encrypt = omap_des_ecb_encrypt, + .decrypt = omap_des_ecb_decrypt, + .init = omap_des_init_tfm, + }, + .op.do_one_request = omap_des_crypt_req, }, { - .base.cra_name = "cbc(des)", - .base.cra_driver_name = "cbc-des-omap", - .base.cra_priority = 300, - .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, - .base.cra_blocksize = DES_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct omap_des_ctx), - .base.cra_module = THIS_MODULE, - - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = omap_des_setkey, - .encrypt = omap_des_cbc_encrypt, - .decrypt = omap_des_cbc_decrypt, - .init = omap_des_init_tfm, + .base = { + .base.cra_name = "cbc(des)", + .base.cra_driver_name = "cbc-des-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_des_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = omap_des_setkey, + .encrypt = omap_des_cbc_encrypt, + .decrypt = omap_des_cbc_decrypt, + .init = omap_des_init_tfm, + }, + .op.do_one_request = omap_des_crypt_req, }, { - .base.cra_name = "ecb(des3_ede)", - .base.cra_driver_name = "ecb-des3-omap", - .base.cra_priority = 300, - .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, - .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct omap_des_ctx), - .base.cra_module = THIS_MODULE, - - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .setkey = omap_des3_setkey, - .encrypt = omap_des_ecb_encrypt, - .decrypt = omap_des_ecb_decrypt, - .init = omap_des_init_tfm, + .base = { + .base.cra_name = "ecb(des3_ede)", + .base.cra_driver_name = "ecb-des3-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC, + .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_des_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = omap_des3_setkey, + .encrypt = omap_des_ecb_encrypt, + .decrypt = omap_des_ecb_decrypt, + .init = omap_des_init_tfm, + }, + .op.do_one_request = omap_des_crypt_req, }, { - .base.cra_name = "cbc(des3_ede)", - .base.cra_driver_name = "cbc-des3-omap", - .base.cra_priority = 300, - .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC, - .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, - .base.cra_ctxsize = sizeof(struct omap_des_ctx), - .base.cra_module = THIS_MODULE, - - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .ivsize = DES3_EDE_BLOCK_SIZE, - .setkey = omap_des3_setkey, - .encrypt = omap_des_cbc_encrypt, - .decrypt = omap_des_cbc_decrypt, - .init = omap_des_init_tfm, + .base = { + .base.cra_name = "cbc(des3_ede)", + .base.cra_driver_name = "cbc-des3-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC, + .base.cra_blocksize = DES3_EDE_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_des_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = omap_des3_setkey, + .encrypt = omap_des_cbc_encrypt, + .decrypt = omap_des_cbc_decrypt, + .init = omap_des_init_tfm, + }, + .op.do_one_request = omap_des_crypt_req, } }; @@ -958,7 +950,7 @@ static int omap_des_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct omap_des_dev *dd; - struct skcipher_alg *algp; + struct skcipher_engine_alg *algp; struct resource *res; int err = -ENOMEM, i, j, irq = -1; u32 reg; @@ -971,18 +963,12 @@ static int omap_des_probe(struct platform_device *pdev) dd->dev = dev; platform_set_drvdata(pdev, dd); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "no MEM resource info\n"); - goto err_res; - } - err = (dev->of_node) ? omap_des_get_of(dd, pdev) : omap_des_get_pdev(dd, pdev); if (err) goto err_res; - dd->io_base = devm_ioremap_resource(dev, res); + dd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(dd->io_base)) { err = PTR_ERR(dd->io_base); goto err_res; @@ -1052,9 +1038,9 @@ static int omap_des_probe(struct platform_device *pdev) for (j = 0; j < dd->pdata->algs_info[i].size; j++) { algp = &dd->pdata->algs_info[i].algs_list[j]; - pr_debug("reg alg: %s\n", algp->base.cra_name); + pr_debug("reg alg: %s\n", algp->base.base.cra_name); - err = crypto_register_skcipher(algp); + err = crypto_engine_register_skcipher(algp); if (err) goto err_algs; @@ -1067,7 +1053,7 @@ static int omap_des_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_skcipher( + crypto_engine_unregister_skcipher( &dd->pdata->algs_info[i].algs_list[j]); err_engine: @@ -1097,7 +1083,7 @@ static int omap_des_remove(struct platform_device *pdev) 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_skcipher( + crypto_engine_unregister_skcipher( &dd->pdata->algs_info[i].algs_list[j]); tasklet_kill(&dd->done_task); |