Hi On 2015年11月06日 09:54, Caesar Wang wrote: > I guess the subject: > "crypto: rockchip: ...." > > Maybe better. ok! done! > > 在 2015年11月06日 09:17, Zain Wang 写道: >> The names registered are: >> ecb(aes) cbc(aes) ecb(des) cbc(des) ecb(des3_ede) cbc(des3_ede) >> You can alloc tags above in your case. >> >> And other algorithms and platforms will be added later on. >> >> Signed-off-by: Zain Wang <zain.wang@xxxxxxxxxxxxxx> >> --- >> >> Changed in v2: >> - remove some part about hash >> - add weak key detection >> - changed some variate's type >> >> Changde in v1: >> - modify some variate's name >> - modify some variate's type >> - modify some return value >> - remove or modify some print info >> - use more dev_xxx in probe >> - modify the prio of cipher > > [...] > >> +static int rk_crypto_remove(struct platform_device *pdev) >> +{ >> + struct crypto_info_t *crypto_tmp = platform_get_drvdata(pdev); >> + >> + rk_crypto_unregister(); >> + tasklet_kill(&crypto_tmp->crypto_tasklet); >> + free_irq(crypto_tmp->irq, crypto_tmp); >> + crypto_p = NULL; >> + >> + return 0; >> +} >> + >> +#ifdef CONFIG_OF >> +static const struct of_device_id crypto_of_id_table[] = { >> + { .compatible = "rockchip,rk3288-crypto" }, >> + {} >> +}; >> +#endif /* CONFIG_OF */ > > I see the rk3368/ rk32xx SoCs the crypto seem the same IP. > So, > I guess we should put the "of_device_id" before the device probe > since we should can compatible for more SoCs. > > Others, for example the commit need a bit change. ok! done! > >> + >> +static struct platform_driver crypto_driver = { >> + .probe = rk_crypto_probe, >> + .remove = rk_crypto_remove, >> + .driver = { >> + .name = "rockchip,rk3288-crypto", >> + .of_match_table = of_match_ptr(crypto_of_id_table), >> + }, >> +}; >> + >> +module_platform_driver(crypto_driver); >> + >> +MODULE_LICENSE("GPL"); >> +MODULE_AUTHOR("Zain Wang"); >> diff --git a/drivers/crypto/rockchip/rk3288_crypto.h >> b/drivers/crypto/rockchip/rk3288_crypto.h >> new file mode 100644 >> index 0000000..cf4cd18 >> --- /dev/null >> +++ b/drivers/crypto/rockchip/rk3288_crypto.h >> @@ -0,0 +1,222 @@ >> +#ifndef __RK3288_CRYPTO_H__ >> +#define __RK3288_CRYPTO_H__ >> + >> +#include <crypto/sha.h> >> +#include <crypto/aes.h> >> +#include <crypto/des.h> >> +#include <crypto/ctr.h> >> +#include <crypto/algapi.h> >> +#include <linux/interrupt.h> >> +#include <linux/delay.h> >> + >> +#define _SBF(v, f) ((v) << (f)) >> + >> +/* Crypto control registers*/ >> +#define RK_CRYPTO_INTSTS 0x0000 >> +#define RK_CRYPTO_PKA_DONE_INT BIT(5) >> +#define RK_CRYPTO_HASH_DONE_INT BIT(4) >> +#define RK_CRYPTO_HRDMA_ERR_INT BIT(3) >> +#define RK_CRYPTO_HRDMA_DONE_INT BIT(2) >> +#define RK_CRYPTO_BCDMA_ERR_INT BIT(1) >> +#define RK_CRYPTO_BCDMA_DONE_INT BIT(0) >> + >> +#define RK_CRYPTO_INTENA 0x0004 >> +#define RK_CRYPTO_PKA_DONE_ENA BIT(5) >> +#define RK_CRYPTO_HASH_DONE_ENA BIT(4) >> +#define RK_CRYPTO_HRDMA_ERR_ENA BIT(3) >> +#define RK_CRYPTO_HRDMA_DONE_ENA BIT(2) >> +#define RK_CRYPTO_BCDMA_ERR_ENA BIT(1) >> +#define RK_CRYPTO_BCDMA_DONE_ENA BIT(0) >> + >> +#define RK_CRYPTO_CTRL 0x0008 >> +#define RK_CRYPTO_WRITE_MASK (0xFFFF << 16) >> +#define RK_CRYPTO_TRNG_FLUSH BIT(9) >> +#define RK_CRYPTO_TRNG_START BIT(8) >> +#define RK_CRYPTO_PKA_FLUSH BIT(7) >> +#define RK_CRYPTO_HASH_FLUSH BIT(6) >> +#define RK_CRYPTO_BLOCK_FLUSH BIT(5) >> +#define RK_CRYPTO_PKA_START BIT(4) >> +#define RK_CRYPTO_HASH_START BIT(3) >> +#define RK_CRYPTO_BLOCK_START BIT(2) >> +#define RK_CRYPTO_TDES_START BIT(1) >> +#define RK_CRYPTO_AES_START BIT(0) >> + >> +#define RK_CRYPTO_CONF 0x000c >> +/* HASH Receive DMA Address Mode: fix | increment */ >> +#define RK_CRYPTO_HR_ADDR_MODE BIT(8) >> +/* Block Transmit DMA Address Mode: fix | increment */ >> +#define RK_CRYPTO_BT_ADDR_MODE BIT(7) >> +/* Block Receive DMA Address Mode: fix | increment */ >> +#define RK_CRYPTO_BR_ADDR_MODE BIT(6) >> +#define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5) >> +#define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4) >> +#define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3) >> +/* AES = 0 OR DES = 1 */ >> +#define RK_CRYPTO_DESSEL BIT(2) >> +#define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0) >> +#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0) >> +#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0) >> + >> +/* Block Receiving DMA Start Address Register */ >> +#define RK_CRYPTO_BRDMAS 0x0010 >> +/* Block Transmitting DMA Start Address Register */ >> +#define RK_CRYPTO_BTDMAS 0x0014 >> +/* Block Receiving DMA Length Register */ >> +#define RK_CRYPTO_BRDMAL 0x0018 >> +/* Hash Receiving DMA Start Address Register */ >> +#define RK_CRYPTO_HRDMAS 0x001c >> +/* Hash Receiving DMA Length Register */ >> +#define RK_CRYPTO_HRDMAL 0x0020 >> + >> +/* AES registers */ >> +#define RK_CRYPTO_AES_CTRL 0x0080 >> +#define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11) >> +#define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10) >> +#define RK_CRYPTO_AES_BYTESWAP_IV BIT(9) >> +#define RK_CRYPTO_AES_BYTESWAP_DO BIT(8) >> +#define RK_CRYPTO_AES_BYTESWAP_DI BIT(7) >> +#define RK_CRYPTO_AES_KEY_CHANGE BIT(6) >> +#define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4) >> +#define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4) >> +#define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4) >> +#define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2) >> +#define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2) >> +#define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2) >> +/* Slave = 0 / fifo = 1 */ >> +#define RK_CRYPTO_AES_FIFO_MODE BIT(1) >> +/* Encryption = 0 , Decryption = 1 */ >> +#define RK_CRYPTO_AES_DEC BIT(0) >> + >> +#define RK_CRYPTO_AES_STS 0x0084 >> +#define RK_CRYPTO_AES_DONE BIT(0) >> + >> +/* AES Input Data 0-3 Register */ >> +#define RK_CRYPTO_AES_DIN_0 0x0088 >> +#define RK_CRYPTO_AES_DIN_1 0x008c >> +#define RK_CRYPTO_AES_DIN_2 0x0090 >> +#define RK_CRYPTO_AES_DIN_3 0x0094 >> + >> +/* AES output Data 0-3 Register */ >> +#define RK_CRYPTO_AES_DOUT_0 0x0098 >> +#define RK_CRYPTO_AES_DOUT_1 0x009c >> +#define RK_CRYPTO_AES_DOUT_2 0x00a0 >> +#define RK_CRYPTO_AES_DOUT_3 0x00a4 >> + >> +/* AES IV Data 0-3 Register */ >> +#define RK_CRYPTO_AES_IV_0 0x00a8 >> +#define RK_CRYPTO_AES_IV_1 0x00ac >> +#define RK_CRYPTO_AES_IV_2 0x00b0 >> +#define RK_CRYPTO_AES_IV_3 0x00b4 >> + >> +/* AES Key Data 0-3 Register */ >> +#define RK_CRYPTO_AES_KEY_0 0x00b8 >> +#define RK_CRYPTO_AES_KEY_1 0x00bc >> +#define RK_CRYPTO_AES_KEY_2 0x00c0 >> +#define RK_CRYPTO_AES_KEY_3 0x00c4 >> +#define RK_CRYPTO_AES_KEY_4 0x00c8 >> +#define RK_CRYPTO_AES_KEY_5 0x00cc >> +#define RK_CRYPTO_AES_KEY_6 0x00d0 >> +#define RK_CRYPTO_AES_KEY_7 0x00d4 >> + >> +/* AES Input Counter 0-3 Register */ >> +#define RK_CRYPTO_AES_CNT_0 0x00d8 >> +#define RK_CRYPTO_AES_CNT_1 0x00dc >> +#define RK_CRYPTO_AES_CNT_2 0x00e0 >> +#define RK_CRYPTO_AES_CNT_3 0x00e4 >> + >> +/* des/tdes */ >> +#define RK_CRYPTO_TDES_CTRL 0x0100 >> +#define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8) >> +#define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7) >> +#define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6) >> +#define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5) >> +/* 0: ECB, 1: CBC */ >> +#define RK_CRYPTO_TDES_CHAINMODE BIT(4) >> +/* TDES Key Mode, 0 : EDE, 1 : EEE */ >> +#define RK_CRYPTO_TDES_EEE BIT(3) >> +/* 0: DES, 1:TDES */ >> +#define RK_CRYPTO_TDES_SELECT BIT(2) >> +/* 0: Slave, 1:Fifo */ >> +#define RK_CRYPTO_TDES_FIFO_MODE BIT(1) >> +/* Encryption = 0 , Decryption = 1 */ >> +#define RK_CRYPTO_TDES_DEC BIT(0) >> + >> +#define RK_CRYPTO_TDES_STS 0x0104 >> +#define RK_CRYPTO_TDES_DONE BIT(0) >> + >> +#define RK_CRYPTO_TDES_DIN_0 0x0108 >> +#define RK_CRYPTO_TDES_DIN_1 0x010c >> +#define RK_CRYPTO_TDES_DOUT_0 0x0110 >> +#define RK_CRYPTO_TDES_DOUT_1 0x0114 >> +#define RK_CRYPTO_TDES_IV_0 0x0118 >> +#define RK_CRYPTO_TDES_IV_1 0x011c >> +#define RK_CRYPTO_TDES_KEY1_0 0x0120 >> +#define RK_CRYPTO_TDES_KEY1_1 0x0124 >> +#define RK_CRYPTO_TDES_KEY2_0 0x0128 >> +#define RK_CRYPTO_TDES_KEY2_1 0x012c >> +#define RK_CRYPTO_TDES_KEY3_0 0x0130 >> +#define RK_CRYPTO_TDES_KEY3_1 0x0134 >> + >> +#define CRYPTO_READ(dev, offset) \ >> + readl_relaxed(((dev)->reg + (offset))) >> +#define CRYPTO_WRITE(dev, offset, val) \ >> + writel_relaxed((val), ((dev)->reg + (offset))) >> +/* get register virt address */ >> +#define CRYPTO_GET_REG_VIRT(dev, offset) ((dev)->reg + (offset)) >> + >> +struct crypto_info_t { >> + struct device *dev; >> + struct clk *aclk; >> + struct clk *hclk; >> + struct clk *sclk; >> + struct clk *dmaclk; >> + void __iomem *reg; >> + int irq; >> + struct crypto_queue queue; >> + struct tasklet_struct crypto_tasklet; >> + struct ablkcipher_request *ablk_req; >> + /* device lock */ >> + spinlock_t lock; >> + >> + /* the public variable */ >> + struct scatterlist *sg_src; >> + struct scatterlist *sg_dst; >> + struct scatterlist sg_tmp; >> + struct scatterlist *first; >> + unsigned int left_bytes; >> + void *addr_vir; >> + int aligned; >> + int align_size; >> + size_t nents; >> + unsigned int total; >> + unsigned int count; >> + u32 mode; >> + dma_addr_t addr_in; >> + dma_addr_t addr_out; >> + int (*start)(struct crypto_info_t *dev); >> + int (*update)(struct crypto_info_t *dev); >> + void (*complete)(struct crypto_info_t *dev, int err); >> + int (*enable_clk)(struct crypto_info_t *dev); >> + void (*disable_clk)(struct crypto_info_t *dev); >> + int (*load_data)(struct crypto_info_t *dev, >> + struct scatterlist *sg_src, >> + struct scatterlist *sg_dst); >> + void (*unload_data)(struct crypto_info_t *dev); >> +}; >> + >> +/* the private variable of cipher */ >> +struct rk_cipher_ctx { >> + struct crypto_info_t *dev; >> + unsigned int keylen; >> +}; >> + >> +extern struct crypto_info_t *crypto_p; >> + >> +extern struct crypto_alg rk_ecb_aes_alg; >> +extern struct crypto_alg rk_cbc_aes_alg; >> +extern struct crypto_alg rk_ecb_des_alg; >> +extern struct crypto_alg rk_cbc_des_alg; >> +extern struct crypto_alg rk_ecb_des3_ede_alg; >> +extern struct crypto_alg rk_cbc_des3_ede_alg; >> + >> +#endif >> diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c >> b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c >> new file mode 100644 >> index 0000000..28b49c9 >> --- /dev/null >> +++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c >> @@ -0,0 +1,511 @@ >> +/* >> + *Crypto acceleration support for Rockchip RK3288 >> + * >> + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd >> + * >> + * Author: Zain Wang <zain.wang@xxxxxxxxxxxxxx> >> + * >> + * This program is free software; you can redistribute it and/or >> modify it >> + * under the terms and conditions of the GNU General Public License, >> + * version 2, as published by the Free Software Foundation. >> + * >> + * Some ideas are from marvell-cesa.c and s5p-sss.c driver. >> + */ >> +#include "rk3288_crypto.h" >> + >> +#define RK_CRYPTO_DEC BIT(0) >> +#define AES 0 >> +#define TDES BIT(16) >> + >> +static void rk_crypto_complete(struct crypto_info_t *dev, int err) >> +{ >> + if (dev->ablk_req->base.complete) { >> + if (err) >> + dev_warn(dev->dev, "[%s:%d] err = %d\n", >> + __func__, __LINE__, err); >> + dev->ablk_req->base.complete(&dev->ablk_req->base, err); >> + } >> +} >> + >> +static int rk_handle_req(struct ablkcipher_request *req, int >> alig_bytes) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + int err; >> + >> + if (!IS_ALIGNED(req->nbytes, alig_bytes)) >> + return -EINVAL; >> + >> + spin_lock(&dev->lock); >> + err = ablkcipher_enqueue_request(&dev->queue, req); >> + spin_unlock(&dev->lock); >> + tasklet_schedule(&dev->crypto_tasklet); >> + return err; >> +} >> + >> +static void rk_ablk_init(struct crypto_info_t *dev, >> + struct ablkcipher_request *req) >> +{ >> + dev->left_bytes = req->nbytes; >> + dev->total = req->nbytes; >> + dev->sg_src = req->src; >> + dev->first = req->src; >> + dev->nents = sg_nents(req->src); >> + dev->sg_dst = req->dst; >> + dev->aligned = 1; >> + dev->ablk_req = req; >> +} >> + >> +static int rk_aes_setkey(struct crypto_ablkcipher *cipher, >> + const u8 *key, unsigned int keylen) >> +{ >> + struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); >> + struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); >> + >> + if (!key) { >> + dev_err(ctx->dev->dev, "[%s:%d] no key error\n", >> + __func__, __LINE__); >> + return -EINVAL; >> + } >> + >> + if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 && >> + keylen != AES_KEYSIZE_256) { >> + crypto_ablkcipher_set_flags(cipher, >> CRYPTO_TFM_RES_BAD_KEY_LEN); >> + dev_err(ctx->dev->dev, "[%s:%d] expect key len = %d\n", >> + __func__, __LINE__, keylen); >> + return -EINVAL; >> + } >> + ctx->keylen = keylen; >> + memcpy(ctx->dev->reg + RK_CRYPTO_AES_KEY_0, key, keylen); >> + return 0; >> +} >> + >> +static int rk_tdes_setkey(struct crypto_ablkcipher *cipher, >> + const u8 *key, unsigned int keylen) >> +{ >> + struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); >> + struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); >> + u32 tmp[DES_EXPKEY_WORDS]; >> + >> + if (!key) { >> + dev_err(ctx->dev->dev, "[%s:%d] no key error\n", >> + __func__, __LINE__); >> + return -EINVAL; >> + } >> + >> + if (keylen != DES_KEY_SIZE && keylen != DES3_EDE_KEY_SIZE) { >> + crypto_ablkcipher_set_flags(cipher, >> CRYPTO_TFM_RES_BAD_KEY_LEN); >> + dev_err(ctx->dev->dev, "[%s:%d] expect key len = %d\n", >> + __func__, __LINE__, keylen); >> + return -EINVAL; >> + } >> + >> + if (keylen == DES_KEY_SIZE) { >> + if (!des_ekey(tmp, key) && >> + (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) { >> + tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; >> + return -EINVAL; >> + } >> + } >> + >> + ctx->keylen = keylen; >> + memcpy(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen); >> + return 0; >> +} >> + >> +static int rk_aes_ecb_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_AES_ECB_MODE | AES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_aes_ecb_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_AES_ECB_MODE | RK_CRYPTO_DEC | AES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_aes_cbc_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_AES_CBC_MODE | AES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_aes_cbc_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_AES_CBC_MODE | RK_CRYPTO_DEC | AES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des_ecb_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des_ecb_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_DEC | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des_cbc_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_CHAINMODE | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des_cbc_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_CHAINMODE | RK_CRYPTO_DEC | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des3_ede_ecb_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_SELECT | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des3_ede_ecb_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_DEC | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des3_ede_cbc_encrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE | >> TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static int rk_des3_ede_cbc_decrypt(struct ablkcipher_request *req) >> +{ >> + struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + struct crypto_info_t *dev = ctx->dev; >> + >> + dev->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE | >> + RK_CRYPTO_DEC | TDES; >> + rk_ablk_init(dev, req); >> + return rk_handle_req(req, dev->align_size); >> +} >> + >> +static void rk_ablk_hw_init(struct crypto_info_t *dev) >> +{ >> + struct crypto_ablkcipher *tfm = >> crypto_ablkcipher_reqtfm(dev->ablk_req); >> + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); >> + u32 conf_reg = 0; >> + >> + if (dev->mode & TDES) { >> + dev->mode &= ~TDES; >> + dev->mode |= RK_CRYPTO_TDES_FIFO_MODE | >> + RK_CRYPTO_TDES_BYTESWAP_KEY | >> + RK_CRYPTO_TDES_BYTESWAP_IV; >> + CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, dev->mode); >> + >> + memcpy(dev->reg + RK_CRYPTO_TDES_IV_0, dev->ablk_req->info, 8); >> + conf_reg = RK_CRYPTO_DESSEL; >> + } else { >> + dev->mode |= RK_CRYPTO_AES_FIFO_MODE | >> + RK_CRYPTO_AES_KEY_CHANGE | >> + RK_CRYPTO_AES_BYTESWAP_KEY | >> + RK_CRYPTO_AES_BYTESWAP_IV; >> + >> + if (ctx->keylen == AES_KEYSIZE_192) >> + dev->mode |= RK_CRYPTO_AES_192BIT_key; >> + else if (ctx->keylen == AES_KEYSIZE_256) >> + dev->mode |= RK_CRYPTO_AES_256BIT_key; >> + >> + CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, dev->mode); >> + >> + memcpy(dev->reg + RK_CRYPTO_AES_IV_0, dev->ablk_req->info, 16); >> + } >> + conf_reg |= RK_CRYPTO_BYTESWAP_BTFIFO | >> + RK_CRYPTO_BYTESWAP_BRFIFO; >> + CRYPTO_WRITE(dev, RK_CRYPTO_CONF, conf_reg); >> + CRYPTO_WRITE(dev, RK_CRYPTO_INTENA, >> + RK_CRYPTO_BCDMA_ERR_ENA | RK_CRYPTO_BCDMA_DONE_ENA); >> +} >> + >> +static void crypto_dma_start(struct crypto_info_t *dev) >> +{ >> + CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, dev->addr_in); >> + CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, dev->count / 4); >> + CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, dev->addr_out); >> + CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START | >> + (RK_CRYPTO_BLOCK_START << 16)); >> +} >> + >> +static int rk_set_data_start(struct crypto_info_t *dev) >> +{ >> + int err; >> + >> + err = dev->load_data(dev, dev->sg_src, dev->sg_dst); >> + if (!err) >> + crypto_dma_start(dev); >> + return err; >> +} >> + >> +static int rk_ablk_start(struct crypto_info_t *dev) >> +{ >> + int err; >> + >> + spin_lock(&dev->lock); >> + rk_ablk_hw_init(dev); >> + err = rk_set_data_start(dev); >> + spin_unlock(&dev->lock); >> + return err; >> +} >> + >> +/* return: >> + * true some err was occurred >> + * fault no err, continue >> + */ >> +static int rk_ablk_rx(struct crypto_info_t *dev) >> +{ >> + int err = 0; >> + >> + dev->unload_data(dev); >> + if (!dev->aligned) { >> + if (!sg_pcopy_from_buffer(dev->ablk_req->dst, dev->nents, >> + dev->addr_vir, dev->count, >> + dev->total - dev->left_bytes - >> + dev->count)) { >> + err = -EINVAL; >> + goto out_rx; >> + } >> + } >> + if (dev->left_bytes) { >> + if (dev->aligned) { >> + if (sg_is_last(dev->sg_src)) { >> + dev_err(dev->dev, "[%s:%d], lack of data\n", >> + __func__, __LINE__); >> + err = -ENOMEM; >> + goto out_rx; >> + } >> + dev->sg_src = sg_next(dev->sg_src); >> + dev->sg_dst = sg_next(dev->sg_dst); >> + } >> + err = rk_set_data_start(dev); >> + } else { >> + /* here show the calculation is over without any err */ >> + dev->complete(dev, 0); >> + } >> +out_rx: >> + return err; >> +} >> + >> +static int rk_ablk_cra_init(struct crypto_tfm *tfm) >> +{ >> + struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); >> + >> + ctx->dev = crypto_p; >> + ctx->dev->align_size = crypto_tfm_alg_alignmask(tfm) + 1; >> + ctx->dev->start = rk_ablk_start; >> + ctx->dev->update = rk_ablk_rx; >> + ctx->dev->complete = rk_crypto_complete; >> + ctx->dev->addr_vir = (char *)__get_free_page(GFP_KERNEL); >> + >> + return ctx->dev->addr_vir ? ctx->dev->enable_clk(ctx->dev) : >> -ENOMEM; >> +} >> + >> +static void rk_ablk_cra_exit(struct crypto_tfm *tfm) >> +{ >> + struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); >> + >> + free_page((unsigned long)ctx->dev->addr_vir); >> + ctx->dev->disable_clk(ctx->dev); >> +} >> + >> +struct crypto_alg rk_ecb_aes_alg = { >> + .cra_name = "ecb(aes)", >> + .cra_driver_name = "ecb-aes-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = AES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x0f, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = AES_MIN_KEY_SIZE, >> + .max_keysize = AES_MAX_KEY_SIZE, >> + .setkey = rk_aes_setkey, >> + .encrypt = rk_aes_ecb_encrypt, >> + .decrypt = rk_aes_ecb_decrypt, >> + } >> +}; >> + >> +struct crypto_alg rk_cbc_aes_alg = { >> + .cra_name = "cbc(aes)", >> + .cra_driver_name = "cbc-aes-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = AES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x0f, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = AES_MIN_KEY_SIZE, >> + .max_keysize = AES_MAX_KEY_SIZE, >> + .ivsize = AES_BLOCK_SIZE, >> + .setkey = rk_aes_setkey, >> + .encrypt = rk_aes_cbc_encrypt, >> + .decrypt = rk_aes_cbc_decrypt, >> + } >> +}; >> + >> +struct crypto_alg rk_ecb_des_alg = { >> + .cra_name = "ecb(des)", >> + .cra_driver_name = "ecb-des-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = DES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x07, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = DES_KEY_SIZE, >> + .max_keysize = DES_KEY_SIZE, >> + .setkey = rk_tdes_setkey, >> + .encrypt = rk_des_ecb_encrypt, >> + .decrypt = rk_des_ecb_decrypt, >> + } >> +}; >> + >> +struct crypto_alg rk_cbc_des_alg = { >> + .cra_name = "cbc(des)", >> + .cra_driver_name = "cbc-des-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = DES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x07, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = DES_KEY_SIZE, >> + .max_keysize = DES_KEY_SIZE, >> + .ivsize = DES_BLOCK_SIZE, >> + .setkey = rk_tdes_setkey, >> + .encrypt = rk_des_cbc_encrypt, >> + .decrypt = rk_des_cbc_decrypt, >> + } >> +}; >> + >> +struct crypto_alg rk_ecb_des3_ede_alg = { >> + .cra_name = "ecb(des3_ede)", >> + .cra_driver_name = "ecb-des3-ede-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = DES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x07, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = DES3_EDE_KEY_SIZE, >> + .max_keysize = DES3_EDE_KEY_SIZE, >> + .ivsize = DES_BLOCK_SIZE, >> + .setkey = rk_tdes_setkey, >> + .encrypt = rk_des3_ede_ecb_encrypt, >> + .decrypt = rk_des3_ede_ecb_decrypt, >> + } >> +}; >> + >> +struct crypto_alg rk_cbc_des3_ede_alg = { >> + .cra_name = "cbc(des3_ede)", >> + .cra_driver_name = "cbc-des3-ede-rk", >> + .cra_priority = 300, >> + .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | >> + CRYPTO_ALG_ASYNC, >> + .cra_blocksize = DES_BLOCK_SIZE, >> + .cra_ctxsize = sizeof(struct rk_cipher_ctx), >> + .cra_alignmask = 0x07, >> + .cra_type = &crypto_ablkcipher_type, >> + .cra_module = THIS_MODULE, >> + .cra_init = rk_ablk_cra_init, >> + .cra_exit = rk_ablk_cra_exit, >> + .cra_u.ablkcipher = { >> + .min_keysize = DES3_EDE_KEY_SIZE, >> + .max_keysize = DES3_EDE_KEY_SIZE, >> + .ivsize = DES_BLOCK_SIZE, >> + .setkey = rk_tdes_setkey, >> + .encrypt = rk_des3_ede_cbc_encrypt, >> + .decrypt = rk_des3_ede_cbc_decrypt, >> + } >> +}; > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html