Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (34 commits)
  crypto: caam - ablkcipher support
  crypto: caam - faster aead implementation
  crypto: caam - structure renaming
  crypto: caam - shorter names
  crypto: talitos - don't bad_key in ablkcipher setkey
  crypto: talitos - remove unused giv from ablkcipher methods
  crypto: talitos - don't set done notification in hot path
  crypto: talitos - ensure request ordering within a single tfm
  crypto: gf128mul - fix call to memset()
  crypto: s390 - support hardware accelerated SHA-224
  crypto: algif_hash - Handle initial af_alg_make_sg error correctly
  crypto: sha1_generic - use SHA1_BLOCK_SIZE
  hwrng: ppc4xx - add support for ppc4xx TRNG
  crypto: crypto4xx - Perform read/modify/write on device control register
  crypto: caam - fix build warning when DEBUG_FS not configured
  crypto: arc4 - Fixed coding style issues
  crypto: crc32c - Fixed coding style issue
  crypto: omap-sham - do not schedule tasklet if there is no active requests
  crypto: omap-sham - clear device flags when finishing request
  crypto: omap-sham - irq handler must not clear error code
  ...

13 files changed, 1756 insertions, 552 deletions

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index a60043b3e40..1d2ebc7a494 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -210,3 +210,15 @@ config HW_RANDOM_PICOXCELL
 	  module will be called picoxcell-rng.
 
 	  If unsure, say Y.
+
+config HW_RANDOM_PPC4XX
+	tristate "PowerPC 4xx generic true random number generator support"
+	depends on HW_RANDOM && PPC && 4xx
+	---help---
+	 This driver provides the kernel-side support for the TRNG hardware
+	 found in the security function of some PowerPC 4xx SoCs.
+
+	 To compile this driver as a module, choose M here: the
+	 module will be called ppc4xx-rng.
+
+	 If unsure, say N.
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index 3db4eb8b19c..c88f244c8a7 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -20,3 +20,4 @@ obj-$(CONFIG_HW_RANDOM_MXC_RNGA) += mxc-rnga.o
 obj-$(CONFIG_HW_RANDOM_OCTEON) += octeon-rng.o
 obj-$(CONFIG_HW_RANDOM_NOMADIK) += nomadik-rng.o
 obj-$(CONFIG_HW_RANDOM_PICOXCELL) += picoxcell-rng.o
+obj-$(CONFIG_HW_RANDOM_PPC4XX) += ppc4xx-rng.o
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index dd1d143eb8e..52e08ca3ccd 100644
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -55,7 +55,7 @@ static int nmk_rng_probe(struct amba_device *dev, const struct amba_id *id)
 
 	ret = amba_request_regions(dev, dev->dev.init_name);
 	if (ret)
-		return ret;
+		goto out_clk;
 	ret = -ENOMEM;
 	base = ioremap(dev->res.start, resource_size(&dev->res));
 	if (!base)
@@ -70,6 +70,7 @@ out_unmap:
 	iounmap(base);
 out_release:
 	amba_release_regions(dev);
+out_clk:
 	clk_disable(rng_clk);
 	clk_put(rng_clk);
 	return ret;
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 2cc755a6430..b757fac3cd1 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -113,8 +113,10 @@ static int __devinit omap_rng_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	if (!res)
-		return -ENOENT;
+	if (!res) {
+		ret = -ENOENT;
+		goto err_region;
+	}
 
 	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
 		ret = -EBUSY;
diff --git a/drivers/char/hw_random/ppc4xx-rng.c b/drivers/char/hw_random/ppc4xx-rng.c
new file mode 100644
index 00000000000..b8afa6a4ff6
--- /dev/null
+++ b/drivers/char/hw_random/ppc4xx-rng.c
@@ -0,0 +1,156 @@
+/*
+ * Generic PowerPC 44x RNG driver
+ *
+ * Copyright 2011 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/hw_random.h>
+#include <linux/delay.h>
+#include <linux/of_platform.h>
+#include <asm/io.h>
+
+#define PPC4XX_TRNG_DEV_CTRL 0x60080
+
+#define PPC4XX_TRNGE 0x00020000
+#define PPC4XX_TRNG_CTRL 0x0008
+#define PPC4XX_TRNG_CTRL_DALM 0x20
+#define PPC4XX_TRNG_STAT 0x0004
+#define PPC4XX_TRNG_STAT_B 0x1
+#define PPC4XX_TRNG_DATA 0x0000
+
+#define MODULE_NAME "ppc4xx_rng"
+
+static int ppc4xx_rng_data_present(struct hwrng *rng, int wait)
+{
+	void __iomem *rng_regs = (void __iomem *) rng->priv;
+	int busy, i, present = 0;
+
+	for (i = 0; i < 20; i++) {
+		busy = (in_le32(rng_regs + PPC4XX_TRNG_STAT) & PPC4XX_TRNG_STAT_B);
+		if (!busy || !wait) {
+			present = 1;
+			break;
+		}
+		udelay(10);
+	}
+	return present;
+}
+
+static int ppc4xx_rng_data_read(struct hwrng *rng, u32 *data)
+{
+	void __iomem *rng_regs = (void __iomem *) rng->priv;
+	*data = in_le32(rng_regs + PPC4XX_TRNG_DATA);
+	return 4;
+}
+
+static int ppc4xx_rng_enable(int enable)
+{
+	struct device_node *ctrl;
+	void __iomem *ctrl_reg;
+	int err = 0;
+	u32 val;
+
+	/* Find the main crypto device node and map it to turn the TRNG on */
+	ctrl = of_find_compatible_node(NULL, NULL, "amcc,ppc4xx-crypto");
+	if (!ctrl)
+		return -ENODEV;
+
+	ctrl_reg = of_iomap(ctrl, 0);
+	if (!ctrl_reg) {
+		err = -ENODEV;
+		goto out;
+	}
+
+	val = in_le32(ctrl_reg + PPC4XX_TRNG_DEV_CTRL);
+
+	if (enable)
+		val |= PPC4XX_TRNGE;
+	else
+		val = val & ~PPC4XX_TRNGE;
+
+	out_le32(ctrl_reg + PPC4XX_TRNG_DEV_CTRL, val);
+	iounmap(ctrl_reg);
+
+out:
+	of_node_put(ctrl);
+
+	return err;
+}
+
+static struct hwrng ppc4xx_rng = {
+	.name = MODULE_NAME,
+	.data_present = ppc4xx_rng_data_present,
+	.data_read = ppc4xx_rng_data_read,
+};
+
+static int __devinit ppc4xx_rng_probe(struct platform_device *dev)
+{
+	void __iomem *rng_regs;
+	int err = 0;
+
+	rng_regs = of_iomap(dev->dev.of_node, 0);
+	if (!rng_regs)
+		return -ENODEV;
+
+	err = ppc4xx_rng_enable(1);
+	if (err)
+		return err;
+
+	out_le32(rng_regs + PPC4XX_TRNG_CTRL, PPC4XX_TRNG_CTRL_DALM);
+	ppc4xx_rng.priv = (unsigned long) rng_regs;
+
+	err = hwrng_register(&ppc4xx_rng);
+
+	return err;
+}
+
+static int __devexit ppc4xx_rng_remove(struct platform_device *dev)
+{
+	void __iomem *rng_regs = (void __iomem *) ppc4xx_rng.priv;
+
+	hwrng_unregister(&ppc4xx_rng);
+	ppc4xx_rng_enable(0);
+	iounmap(rng_regs);
+
+	return 0;
+}
+
+static struct of_device_id ppc4xx_rng_match[] = {
+	{ .compatible = "ppc4xx-rng", },
+	{ .compatible = "amcc,ppc460ex-rng", },
+	{ .compatible = "amcc,ppc440epx-rng", },
+	{},
+};
+
+static struct platform_driver ppc4xx_rng_driver = {
+	.driver = {
+		.name = MODULE_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = ppc4xx_rng_match,
+	},
+	.probe = ppc4xx_rng_probe,
+	.remove = ppc4xx_rng_remove,
+};
+
+static int __init ppc4xx_rng_init(void)
+{
+	return platform_driver_register(&ppc4xx_rng_driver);
+}
+module_init(ppc4xx_rng_init);
+
+static void __exit ppc4xx_rng_exit(void)
+{
+	platform_driver_unregister(&ppc4xx_rng_driver);
+}
+module_exit(ppc4xx_rng_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Josh Boyer <jwboyer@linux.vnet.ibm.com>");
+MODULE_DESCRIPTION("HW RNG driver for PPC 4xx processors");
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index a94e930575f..a8428e6f64a 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -100,8 +100,7 @@ static int __devinit timeriomem_rng_probe(struct platform_device *pdev)
 
 	timeriomem_rng_data = pdev->dev.platform_data;
 
-	timeriomem_rng_data->address = ioremap(res->start,
-						res->end - res->start + 1);
+	timeriomem_rng_data->address = ioremap(res->start, resource_size(res));
 	if (!timeriomem_rng_data->address)
 		return -EIO;
 
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 18912521a7a..1d103f997dc 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -51,6 +51,7 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev)
 	union ce_io_threshold io_threshold;
 	u32 rand_num;
 	union ce_pe_dma_cfg pe_dma_cfg;
+	u32 device_ctrl;
 
 	writel(PPC4XX_BYTE_ORDER, dev->ce_base + CRYPTO4XX_BYTE_ORDER_CFG);
 	/* setup pe dma, include reset sg, pdr and pe, then release reset */
@@ -84,7 +85,9 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev)
 	writel(ring_size.w, dev->ce_base + CRYPTO4XX_RING_SIZE);
 	ring_ctrl.w = 0;
 	writel(ring_ctrl.w, dev->ce_base + CRYPTO4XX_RING_CTRL);
-	writel(PPC4XX_DC_3DES_EN, dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
+	device_ctrl = readl(dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
+	device_ctrl |= PPC4XX_DC_3DES_EN;
+	writel(device_ctrl, dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
 	writel(dev->gdr_pa, dev->ce_base + CRYPTO4XX_GATH_RING_BASE);
 	writel(dev->sdr_pa, dev->ce_base + CRYPTO4XX_SCAT_RING_BASE);
 	part_ring_size.w = 0;
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 676d957c22b..4159265b453 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -62,10 +62,22 @@
 #define CAAM_MAX_IV_LENGTH		16
 
 /* length of descriptors text */
-#define DESC_AEAD_SHARED_TEXT_LEN	4
-#define DESC_AEAD_ENCRYPT_TEXT_LEN 	21
-#define DESC_AEAD_DECRYPT_TEXT_LEN 	24
-#define DESC_AEAD_GIVENCRYPT_TEXT_LEN 	27
+#define DESC_JOB_IO_LEN			(CAAM_CMD_SZ * 3 + CAAM_PTR_SZ * 3)
+
+#define DESC_AEAD_BASE			(4 * CAAM_CMD_SZ)
+#define DESC_AEAD_ENC_LEN		(DESC_AEAD_BASE + 16 * CAAM_CMD_SZ)
+#define DESC_AEAD_DEC_LEN		(DESC_AEAD_BASE + 21 * CAAM_CMD_SZ)
+#define DESC_AEAD_GIVENC_LEN		(DESC_AEAD_ENC_LEN + 7 * CAAM_CMD_SZ)
+
+#define DESC_ABLKCIPHER_BASE		(3 * CAAM_CMD_SZ)
+#define DESC_ABLKCIPHER_ENC_LEN		(DESC_ABLKCIPHER_BASE + \
+					 20 * CAAM_CMD_SZ)
+#define DESC_ABLKCIPHER_DEC_LEN		(DESC_ABLKCIPHER_BASE + \
+					 15 * CAAM_CMD_SZ)
+
+#define DESC_MAX_USED_BYTES		(DESC_AEAD_GIVENC_LEN + \
+					 CAAM_MAX_KEY_SIZE)
+#define DESC_MAX_USED_LEN		(DESC_MAX_USED_BYTES / CAAM_CMD_SZ)
 
 #ifdef DEBUG
 /* for print_hex_dumps with line references */
@@ -76,30 +88,366 @@
 #define debug(format, arg...)
 #endif
 
+/* Set DK bit in class 1 operation if shared */
+static inline void append_dec_op1(u32 *desc, u32 type)
+{
+	u32 *jump_cmd, *uncond_jump_cmd;
+
+	jump_cmd = append_jump(desc, JUMP_TEST_ALL | JUMP_COND_SHRD);
+	append_operation(desc, type | OP_ALG_AS_INITFINAL |
+			 OP_ALG_DECRYPT);
+	uncond_jump_cmd = append_jump(desc, JUMP_TEST_ALL);
+	set_jump_tgt_here(desc, jump_cmd);
+	append_operation(desc, type | OP_ALG_AS_INITFINAL |
+			 OP_ALG_DECRYPT | OP_ALG_AAI_DK);
+	set_jump_tgt_here(desc, uncond_jump_cmd);
+}
+
+/*
+ * Wait for completion of class 1 key loading before allowing
+ * error propagation
+ */
+static inline void append_dec_shr_done(u32 *desc)
+{
+	u32 *jump_cmd;
+
+	jump_cmd = append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TEST_ALL);
+	set_jump_tgt_here(desc, jump_cmd);
+	append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+}
+
+/*
+ * For aead functions, read payload and write payload,
+ * both of which are specified in req->src and req->dst
+ */
+static inline void aead_append_src_dst(u32 *desc, u32 msg_type)
+{
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH |
+			     KEY_VLF | msg_type | FIFOLD_TYPE_LASTBOTH);
+	append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF);
+}
+
+/*
+ * For aead encrypt and decrypt, read iv for both classes
+ */
+static inline void aead_append_ld_iv(u32 *desc, int ivsize)
+{
+	append_cmd(desc, CMD_SEQ_LOAD | LDST_SRCDST_BYTE_CONTEXT |
+		   LDST_CLASS_1_CCB | ivsize);
+	append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO | ivsize);
+}
+
+/*
+ * For ablkcipher encrypt and decrypt, read from req->src and
+ * write to req->dst
+ */
+static inline void ablkcipher_append_src_dst(u32 *desc)
+{
+	append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ); \
+	append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); \
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS1 | \
+			     KEY_VLF | FIFOLD_TYPE_MSG | FIFOLD_TYPE_LAST1); \
+	append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); \
+}
+
+/*
+ * If all data, including src (with assoc and iv) or dst (with iv only) are
+ * contiguous
+ */
+#define GIV_SRC_CONTIG		1
+#define GIV_DST_CONTIG		(1 << 1)
+
 /*
  * per-session context
  */
 struct caam_ctx {
 	struct device *jrdev;
-	u32 *sh_desc;
-	dma_addr_t shared_desc_phys;
+	u32 sh_desc_enc[DESC_MAX_USED_LEN];
+	u32 sh_desc_dec[DESC_MAX_USED_LEN];
+	u32 sh_desc_givenc[DESC_MAX_USED_LEN];
+	dma_addr_t sh_desc_enc_dma;
+	dma_addr_t sh_desc_dec_dma;
+	dma_addr_t sh_desc_givenc_dma;
 	u32 class1_alg_type;
 	u32 class2_alg_type;
 	u32 alg_op;
-	u8 *key;
-	dma_addr_t key_phys;
+	u8 key[CAAM_MAX_KEY_SIZE];
+	dma_addr_t key_dma;
 	unsigned int enckeylen;
 	unsigned int split_key_len;
 	unsigned int split_key_pad_len;
 	unsigned int authsize;
 };
 
-static int aead_authenc_setauthsize(struct crypto_aead *authenc,
+static void append_key_aead(u32 *desc, struct caam_ctx *ctx,
+			    int keys_fit_inline)
+{
+	if (keys_fit_inline) {
+		append_key_as_imm(desc, ctx->key, ctx->split_key_pad_len,
+				  ctx->split_key_len, CLASS_2 |
+				  KEY_DEST_MDHA_SPLIT | KEY_ENC);
+		append_key_as_imm(desc, (void *)ctx->key +
+				  ctx->split_key_pad_len, ctx->enckeylen,
+				  ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
+	} else {
+		append_key(desc, ctx->key_dma, ctx->split_key_len, CLASS_2 |
+			   KEY_DEST_MDHA_SPLIT | KEY_ENC);
+		append_key(desc, ctx->key_dma + ctx->split_key_pad_len,
+			   ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
+	}
+}
+
+static void init_sh_desc_key_aead(u32 *desc, struct caam_ctx *ctx,
+				  int keys_fit_inline)
+{
+	u32 *key_jump_cmd;
+
+	init_sh_desc(desc, HDR_SHARE_WAIT);
+
+	/* Skip if already shared */
+	key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
+				   JUMP_COND_SHRD);
+
+	append_key_aead(desc, ctx, keys_fit_inline);
+
+	set_jump_tgt_here(desc, key_jump_cmd);
+
+	/* Propagate errors from shared to job descriptor */
+	append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+}
+
+static int aead_set_sh_desc(struct crypto_aead *aead)
+{
+	struct aead_tfm *tfm = &aead->base.crt_aead;
+	struct caam_ctx *ctx = crypto_aead_ctx(aead);
+	struct device *jrdev = ctx->jrdev;
+	bool keys_fit_inline = 0;
+	u32 *key_jump_cmd, *jump_cmd;
+	u32 geniv, moveiv;
+	u32 *desc;
+
+	if (!ctx->enckeylen || !ctx->authsize)
+		return 0;
+
+	/*
+	 * Job Descriptor and Shared Descriptors
+	 * must all fit into the 64-word Descriptor h/w Buffer
+	 */
+	if (DESC_AEAD_ENC_LEN + DESC_JOB_IO_LEN +
+	    ctx->split_key_pad_len + ctx->enckeylen <=
+	    CAAM_DESC_BYTES_MAX)
+		keys_fit_inline = 1;
+
+	/* aead_encrypt shared descriptor */
+	desc = ctx->sh_desc_enc;
+
+	init_sh_desc_key_aead(desc, ctx, keys_fit_inline);
+
+	/* Class 2 operation */
+	append_operation(desc, ctx->class2_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+	/* cryptlen = seqoutlen - authsize */
+	append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize);
+
+	/* assoclen + cryptlen = seqinlen - ivsize */
+	append_math_sub_imm_u32(desc, REG2, SEQINLEN, IMM, tfm->ivsize);
+
+	/* assoclen + cryptlen = (assoclen + cryptlen) - cryptlen */
+	append_math_sub(desc, VARSEQINLEN, REG2, REG3, CAAM_CMD_SZ);
+
+	/* read assoc before reading payload */
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG |
+			     KEY_VLF);
+	aead_append_ld_iv(desc, tfm->ivsize);
+
+	/* Class 1 operation */
+	append_operation(desc, ctx->class1_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+	/* Read and write cryptlen bytes */
+	append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ);
+	append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ);
+	aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2);
+
+	/* Write ICV */
+	append_seq_store(desc, ctx->authsize, LDST_CLASS_2_CCB |
+			 LDST_SRCDST_BYTE_CONTEXT);
+
+	ctx->sh_desc_enc_dma = dma_map_single(jrdev, desc,
+					      desc_bytes(desc),
+					      DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
+		dev_err(jrdev, "unable to map shared descriptor\n");
+		return -ENOMEM;
+	}
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead enc shdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+		       desc_bytes(desc), 1);
+#endif
+
+	/*
+	 * Job Descriptor and Shared Descriptors
+	 * must all fit into the 64-word Descriptor h/w Buffer
+	 */
+	if (DESC_AEAD_DEC_LEN + DESC_JOB_IO_LEN +
+	    ctx->split_key_pad_len + ctx->enckeylen <=
+	    CAAM_DESC_BYTES_MAX)
+		keys_fit_inline = 1;
+
+	desc = ctx->sh_desc_dec;
+
+	/* aead_decrypt shared descriptor */
+	init_sh_desc(desc, HDR_SHARE_WAIT);
+
+	/* Skip if already shared */
+	key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
+				   JUMP_COND_SHRD);
+
+	append_key_aead(desc, ctx, keys_fit_inline);
+
+	/* Only propagate error immediately if shared */
+	jump_cmd = append_jump(desc, JUMP_TEST_ALL);
+	set_jump_tgt_here(desc, key_jump_cmd);
+	append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+	set_jump_tgt_here(desc, jump_cmd);
+
+	/* Class 2 operation */
+	append_operation(desc, ctx->class2_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_DECRYPT | OP_ALG_ICV_ON);
+
+	/* assoclen + cryptlen = seqinlen - ivsize */
+	append_math_sub_imm_u32(desc, REG3, SEQINLEN, IMM,
+				ctx->authsize + tfm->ivsize)
+	/* assoclen = (assoclen + cryptlen) - cryptlen */
+	append_math_sub(desc, REG2, SEQOUTLEN, REG0, CAAM_CMD_SZ);
+	append_math_sub(desc, VARSEQINLEN, REG3, REG2, CAAM_CMD_SZ);
+
+	/* read assoc before reading payload */
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG |
+			     KEY_VLF);
+
+	aead_append_ld_iv(desc, tfm->ivsize);
+
+	append_dec_op1(desc, ctx->class1_alg_type);
+
+	/* Read and write cryptlen bytes */
+	append_math_add(desc, VARSEQINLEN, ZERO, REG2, CAAM_CMD_SZ);
+	append_math_add(desc, VARSEQOUTLEN, ZERO, REG2, CAAM_CMD_SZ);
+	aead_append_src_dst(desc, FIFOLD_TYPE_MSG);
+
+	/* Load ICV */
+	append_seq_fifo_load(desc, ctx->authsize, FIFOLD_CLASS_CLASS2 |
+			     FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_ICV);
+	append_dec_shr_done(desc);
+
+	ctx->sh_desc_dec_dma = dma_map_single(jrdev, desc,
+					      desc_bytes(desc),
+					      DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->sh_desc_dec_dma)) {
+		dev_err(jrdev, "unable to map shared descriptor\n");
+		return -ENOMEM;
+	}
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead dec shdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+		       desc_bytes(desc), 1);
+#endif
+
+	/*
+	 * Job Descriptor and Shared Descriptors
+	 * must all fit into the 64-word Descriptor h/w Buffer
+	 */
+	if (DESC_AEAD_GIVENC_LEN + DESC_JOB_IO_LEN +
+	    ctx->split_key_pad_len + ctx->enckeylen <=
+	    CAAM_DESC_BYTES_MAX)
+		keys_fit_inline = 1;
+
+	/* aead_givencrypt shared descriptor */
+	desc = ctx->sh_desc_givenc;
+
+	init_sh_desc_key_aead(desc, ctx, keys_fit_inline);
+
+	/* Generate IV */
+	geniv = NFIFOENTRY_STYPE_PAD | NFIFOENTRY_DEST_DECO |
+		NFIFOENTRY_DTYPE_MSG | NFIFOENTRY_LC1 |
+		NFIFOENTRY_PTYPE_RND | (tfm->ivsize << NFIFOENTRY_DLEN_SHIFT);
+	append_load_imm_u32(desc, geniv, LDST_CLASS_IND_CCB |
+			    LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM);
+	append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO);
+	append_move(desc, MOVE_SRC_INFIFO |
+		    MOVE_DEST_CLASS1CTX | (tfm->ivsize << MOVE_LEN_SHIFT));
+	append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO);
+
+	/* Copy IV to class 1 context */
+	append_move(desc, MOVE_SRC_CLASS1CTX |
+		    MOVE_DEST_OUTFIFO | (tfm->ivsize << MOVE_LEN_SHIFT));
+
+	/* Return to encryption */
+	append_operation(desc, ctx->class2_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+	/* ivsize + cryptlen = seqoutlen - authsize */
+	append_math_sub_imm_u32(desc, REG3, SEQOUTLEN, IMM, ctx->authsize);
+
+	/* assoclen = seqinlen - (ivsize + cryptlen) */
+	append_math_sub(desc, VARSEQINLEN, SEQINLEN, REG3, CAAM_CMD_SZ);
+
+	/* read assoc before reading payload */
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG |
+			     KEY_VLF);
+
+	/* Copy iv from class 1 ctx to class 2 fifo*/
+	moveiv = NFIFOENTRY_STYPE_OFIFO | NFIFOENTRY_DEST_CLASS2 |
+		 NFIFOENTRY_DTYPE_MSG | (tfm->ivsize << NFIFOENTRY_DLEN_SHIFT);
+	append_load_imm_u32(desc, moveiv, LDST_CLASS_IND_CCB |
+			    LDST_SRCDST_WORD_INFO_FIFO | LDST_IMM);
+	append_load_imm_u32(desc, tfm->ivsize, LDST_CLASS_2_CCB |
+			    LDST_SRCDST_WORD_DATASZ_REG | LDST_IMM);
+
+	/* Class 1 operation */
+	append_operation(desc, ctx->class1_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+	/* Will write ivsize + cryptlen */
+	append_math_add(desc, VARSEQOUTLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
+
+	/* Not need to reload iv */
+	append_seq_fifo_load(desc, tfm->ivsize,
+			     FIFOLD_CLASS_SKIP);
+
+	/* Will read cryptlen */
+	append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
+	aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2);
+
+	/* Write ICV */
+	append_seq_store(desc, ctx->authsize, LDST_CLASS_2_CCB |
+			 LDST_SRCDST_BYTE_CONTEXT);
+
+	ctx->sh_desc_givenc_dma = dma_map_single(jrdev, desc,
+						 desc_bytes(desc),
+						 DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->sh_desc_givenc_dma)) {
+		dev_err(jrdev, "unable to map shared descriptor\n");
+		return -ENOMEM;
+	}
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead givenc shdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+		       desc_bytes(desc), 1);
+#endif
+
+	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;
 }
@@ -117,6 +465,7 @@ static void split_key_done(struct device *dev, u32 *desc, u32 err,
 #ifdef DEBUG
 	dev_err(dev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 #endif
+
 	if (err) {
 		char tmp[CAAM_ERROR_STR_MAX];
 
@@ -220,73 +569,7 @@ static u32 gen_split_key(struct caam_ctx *ctx, const u8 *key_in, u32 authkeylen)
 	return ret;
 }
 
-static int build_sh_desc_ipsec(struct caam_ctx *ctx)
-{
-	struct device *jrdev = ctx->jrdev;
-	u32 *sh_desc;
-	u32 *jump_cmd;
-	bool keys_fit_inline = 0;
-
-	/*
-	 * largest Job Descriptor and its Shared Descriptor
-	 * must both fit into the 64-word Descriptor h/w Buffer
-	 */
-	if ((DESC_AEAD_GIVENCRYPT_TEXT_LEN +
-	     DESC_AEAD_SHARED_TEXT_LEN) * CAAM_CMD_SZ +
-	    ctx->split_key_pad_len + ctx->enckeylen <= CAAM_DESC_BYTES_MAX)
-		keys_fit_inline = 1;
-
-	/* build shared descriptor for this session */
-	sh_desc = kmalloc(CAAM_CMD_SZ * DESC_AEAD_SHARED_TEXT_LEN +
-			  (keys_fit_inline ?
-			   ctx->split_key_pad_len + ctx->enckeylen :
-			   CAAM_PTR_SZ * 2), GFP_DMA | GFP_KERNEL);
-	if (!sh_desc) {
-		dev_err(jrdev, "could not allocate shared descriptor\n");
-		return -ENOMEM;
-	}
-
-	init_sh_desc(sh_desc, HDR_SAVECTX | HDR_SHARE_SERIAL);
-
-	jump_cmd = append_jump(sh_desc, CLASS_BOTH | JUMP_TEST_ALL |
-			       JUMP_COND_SHRD | JUMP_COND_SELF);
-
-	/*
-	 * process keys, starting with class 2/authentication.
-	 */
-	if (keys_fit_inline) {
-		append_key_as_imm(sh_desc, ctx->key, ctx->split_key_pad_len,
-				  ctx->split_key_len,
-				  CLASS_2 | KEY_DEST_MDHA_SPLIT | KEY_ENC);
-
-		append_key_as_imm(sh_desc, (void *)ctx->key +
-				  ctx->split_key_pad_len, ctx->enckeylen,
-				  ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
-	} else {
-		append_key(sh_desc, ctx->key_phys, ctx->split_key_len, CLASS_2 |
-			   KEY_DEST_MDHA_SPLIT | KEY_ENC);
-		append_key(sh_desc, ctx->key_phys + ctx->split_key_pad_len,
-			   ctx->enckeylen, CLASS_1 | KEY_DEST_CLASS_REG);
-	}
-
-	/* update jump cmd now that we are at the jump target */
-	set_jump_tgt_here(sh_desc, jump_cmd);
-
-	ctx->shared_desc_phys = dma_map_single(jrdev, sh_desc,
-					       desc_bytes(sh_desc),
-					       DMA_TO_DEVICE);
-	if (dma_mapping_error(jrdev, ctx->shared_desc_phys)) {
-		dev_err(jrdev, "unable to map shared descriptor\n");
-		kfree(sh_desc);
-		return -ENOMEM;
-	}
-
-	ctx->sh_desc = sh_desc;
-
-	return 0;
-}
-
-static int aead_authenc_setkey(struct crypto_aead *aead,
+static int aead_setkey(struct crypto_aead *aead,
 			       const u8 *key, unsigned int keylen)
 {
 	/* Sizes for MDHA pads (*not* keys): MD5, SHA1, 224, 256, 384, 512 */
@@ -326,27 +609,19 @@ static int aead_authenc_setkey(struct crypto_aead *aead,
 	print_hex_dump(KERN_ERR, "key in @"xstr(__LINE__)": ",
 		       DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
 #endif
-	ctx->key = kmalloc(ctx->split_key_pad_len + enckeylen,
-			   GFP_KERNEL | GFP_DMA);
-	if (!ctx->key) {
-		dev_err(jrdev, "could not allocate key output memory\n");
-		return -ENOMEM;
-	}
 
 	ret = gen_split_key(ctx, key, authkeylen);
 	if (ret) {
-		kfree(ctx->key);
 		goto badkey;
 	}
 
 	/* postpend encryption key to auth split key */
 	memcpy(ctx->key + ctx->split_key_pad_len, key + authkeylen, enckeylen);
 
-	ctx->key_phys = dma_map_single(jrdev, ctx->key, ctx->split_key_pad_len +
+	ctx->key_dma = dma_map_single(jrdev, ctx->key, ctx->split_key_pad_len +
 				       enckeylen, DMA_TO_DEVICE);
-	if (dma_mapping_error(jrdev, ctx->key_phys)) {
+	if (dma_mapping_error(jrdev, ctx->key_dma)) {
 		dev_err(jrdev, "unable to map key i/o memory\n");
-		kfree(ctx->key);
 		return -ENOMEM;
 	}
 #ifdef DEBUG
@@ -357,11 +632,10 @@ static int aead_authenc_setkey(struct crypto_aead *aead,
 
 	ctx->enckeylen = enckeylen;
 
-	ret = build_sh_desc_ipsec(ctx);
+	ret = aead_set_sh_desc(aead);
 	if (ret) {
-		dma_unmap_single(jrdev, ctx->key_phys, ctx->split_key_pad_len +
+		dma_unmap_single(jrdev, ctx->key_dma, ctx->split_key_pad_len +
 				 enckeylen, DMA_TO_DEVICE);
-		kfree(ctx->key);
 	}
 
 	return ret;
@@ -370,6 +644,119 @@ badkey:
 	return -EINVAL;
 }
 
+static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher,
+			     const u8 *key, unsigned int keylen)
+{
+	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+	struct ablkcipher_tfm *tfm = &ablkcipher->base.crt_ablkcipher;
+	struct device *jrdev = ctx->jrdev;
+	int ret = 0;
+	u32 *key_jump_cmd, *jump_cmd;
+	u32 *desc;
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "key in @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
+#endif
+
+	memcpy(ctx->key, key, keylen);
+	ctx->key_dma = dma_map_single(jrdev, ctx->key, keylen,
+				      DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->key_dma)) {
+		dev_err(jrdev, "unable to map key i/o memory\n");
+		return -ENOMEM;
+	}
+	ctx->enckeylen = keylen;
+
+	/* ablkcipher_encrypt shared descriptor */
+	desc = ctx->sh_desc_enc;
+	init_sh_desc(desc, HDR_SHARE_WAIT);
+	/* Skip if already shared */
+	key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
+				   JUMP_COND_SHRD);
+
+	/* Load class1 key only */
+	append_key_as_imm(desc, (void *)ctx->key, ctx->enckeylen,
+			  ctx->enckeylen, CLASS_1 |
+			  KEY_DEST_CLASS_REG);
+
+	set_jump_tgt_here(desc, key_jump_cmd);
+
+	/* Propagate errors from shared to job descriptor */
+	append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+
+	/* Load iv */
+	append_cmd(desc, CMD_SEQ_LOAD | LDST_SRCDST_BYTE_CONTEXT |
+		   LDST_CLASS_1_CCB | tfm->ivsize);
+
+	/* Load operation */
+	append_operation(desc, ctx->class1_alg_type |
+			 OP_ALG_AS_INITFINAL | OP_ALG_ENCRYPT);
+
+	/* Perform operation */
+	ablkcipher_append_src_dst(desc);
+
+	ctx->sh_desc_enc_dma = dma_map_single(jrdev, desc,
+					      desc_bytes(desc),
+					      DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
+		dev_err(jrdev, "unable to map shared descriptor\n");
+		return -ENOMEM;
+	}
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "ablkcipher enc shdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+		       desc_bytes(desc), 1);
+#endif
+	/* ablkcipher_decrypt shared descriptor */
+	desc = ctx->sh_desc_dec;
+
+	init_sh_desc(desc, HDR_SHARE_WAIT);
+	/* Skip if already shared */
+	key_jump_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL |
+				   JUMP_COND_SHRD);
+
+	/* Load class1 key only */
+	append_key_as_imm(desc, (void *)ctx->key, ctx->enckeylen,
+			  ctx->enckeylen, CLASS_1 |
+			  KEY_DEST_CLASS_REG);
+
+	/* For aead, only propagate error immediately if shared */
+	jump_cmd = append_jump(desc, JUMP_TEST_ALL);
+	set_jump_tgt_here(desc, key_jump_cmd);
+	append_cmd(desc, SET_OK_PROP_ERRORS | CMD_LOAD);
+	set_jump_tgt_here(desc, jump_cmd);
+
+	/* load IV */
+	append_cmd(desc, CMD_SEQ_LOAD | LDST_SRCDST_BYTE_CONTEXT |
+		   LDST_CLASS_1_CCB | tfm->ivsize);
+
+	/* Choose operation */
+	append_dec_op1(desc, ctx->class1_alg_type);
+
+	/* Perform operation */
+	ablkcipher_append_src_dst(desc);
+
+	/* Wait for key to load before allowing propagating error */
+	append_dec_shr_done(desc);
+
+	ctx->sh_desc_dec_dma = dma_map_single(jrdev, desc,
+					      desc_bytes(desc),
+					      DMA_TO_DEVICE);
+	if (dma_mapping_error(jrdev, ctx->sh_desc_enc_dma)) {
+		dev_err(jrdev, "unable to map shared descriptor\n");
+		return -ENOMEM;
+	}
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "ablkcipher dec shdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, desc,
+		       desc_bytes(desc), 1);
+#endif
+
+	return ret;
+}
+
 struct link_tbl_entry {
 	u64 ptr;
 	u32 len;
@@ -379,64 +766,109 @@ struct link_tbl_entry {
 };
 
 /*
- * ipsec_esp_edesc - s/w-extended ipsec_esp descriptor
+ * aead_edesc - s/w-extended aead descriptor
+ * @assoc_nents: number of segments in associated data (SPI+Seq) scatterlist
  * @src_nents: number of segments in input scatterlist
  * @dst_nents: number of segments in output scatterlist
- * @assoc_nents: number of segments in associated data (SPI+Seq) scatterlist
+ * @iv_dma: dma address of iv for checking continuity and link table
  * @desc: h/w descriptor (variable length; must not exceed MAX_CAAM_DESCSIZE)
  * @link_tbl_bytes: length of dma mapped link_tbl space
  * @link_tbl_dma: bus physical mapped address of h/w link table
  * @hw_desc: the h/w job descriptor followed by any referenced link tables
  */
-struct ipsec_esp_edesc {
+struct aead_edesc {
 	int assoc_nents;
 	int src_nents;
 	int dst_nents;
+	dma_addr_t iv_dma;
 	int link_tbl_bytes;
 	dma_addr_t link_tbl_dma;
 	struct link_tbl_entry *link_tbl;
 	u32 hw_desc[0];
 };
 
-static void ipsec_esp_unmap(struct device *dev,
-			    struct ipsec_esp_edesc *edesc,
-			    struct aead_request *areq)
-{
-	dma_unmap_sg(dev, areq->assoc, edesc->assoc_nents, DMA_TO_DEVICE);
+/*
+ * ablkcipher_edesc - s/w-extended ablkcipher descriptor
+ * @src_nents: number of segments in input scatterlist
+ * @dst_nents: number of segments in output scatterlist
+ * @iv_dma: dma address of iv for checking continuity and link table
+ * @desc: h/w descriptor (variable length; must not exceed MAX_CAAM_DESCSIZE)
+ * @link_tbl_bytes: length of dma mapped link_tbl space
+ * @link_tbl_dma: bus physical mapped address of h/w link table
+ * @hw_desc: the h/w job descriptor followed by any referenced link tables
+ */
+struct ablkcipher_edesc {
+	int src_nents;
+	int dst_nents;
+	dma_addr_t iv_dma;
+	int link_tbl_bytes;
+	dma_addr_t link_tbl_dma;
+	struct link_tbl_entry *link_tbl;
+	u32 hw_desc[0];
+};
 
-	if (unlikely(areq->dst != areq->src)) {
-		dma_unmap_sg(dev, areq->src, edesc->src_nents,
-			     DMA_TO_DEVICE);
-		dma_unmap_sg(dev, areq->dst, edesc->dst_nents,
-			     DMA_FROM_DEVICE);
+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 link_tbl_dma,
+		       int link_tbl_bytes)
+{
+	if (unlikely(dst != src)) {
+		dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
+		dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE);
 	} else {
-		dma_unmap_sg(dev, areq->src, edesc->src_nents,
-			     DMA_BIDIRECTIONAL);
+		dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
 	}
 
-	if (edesc->link_tbl_bytes)
-		dma_unmap_single(dev, edesc->link_tbl_dma,
-				 edesc->link_tbl_bytes,
+	if (iv_dma)
+		dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE);
+	if (link_tbl_bytes)
+		dma_unmap_single(dev, link_tbl_dma, link_tbl_bytes,
 				 DMA_TO_DEVICE);
 }
 
-/*
- * ipsec_esp descriptor callbacks
- */
-static void ipsec_esp_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
+static void aead_unmap(struct device *dev,
+		       struct aead_edesc *edesc,
+		       struct aead_request *req)
+{
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
+	int ivsize = crypto_aead_ivsize(aead);
+
+	dma_unmap_sg(dev, req->assoc, edesc->assoc_nents, DMA_TO_DEVICE);
+
+	caam_unmap(dev, req->src, req->dst,
+		   edesc->src_nents, edesc->dst_nents,
+		   edesc->iv_dma, ivsize, edesc->link_tbl_dma,
+		   edesc->link_tbl_bytes);
+}
+
+static void ablkcipher_unmap(struct device *dev,
+			     struct ablkcipher_edesc *edesc,
+			     struct ablkcipher_request *req)
+{
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+	caam_unmap(dev, req->src, req->dst,
+		   edesc->src_nents, edesc->dst_nents,
+		   edesc->iv_dma, ivsize, edesc->link_tbl_dma,
+		   edesc->link_tbl_bytes);
+}
+
+static void aead_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
 				   void *context)
 {
-	struct aead_request *areq = context;
-	struct ipsec_esp_edesc *edesc;
+	struct aead_request *req = context;
+	struct aead_edesc *edesc;
 #ifdef DEBUG
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
-	int ivsize = crypto_aead_ivsize(aead);
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct caam_ctx *ctx = crypto_aead_ctx(aead);
+	int ivsize = crypto_aead_ivsize(aead);
 
 	dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 #endif
-	edesc = (struct ipsec_esp_edesc *)((char *)desc -
-		 offsetof(struct ipsec_esp_edesc, hw_desc));
+
+	edesc = (struct aead_edesc *)((char *)desc -
+		 offsetof(struct aead_edesc, hw_desc));
 
 	if (err) {
 		char tmp[CAAM_ERROR_STR_MAX];
@@ -444,39 +876,50 @@ static void ipsec_esp_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
 		dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
 	}
 
-	ipsec_esp_unmap(jrdev, edesc, areq);
+	aead_unmap(jrdev, edesc, req);
 
 #ifdef DEBUG
 	print_hex_dump(KERN_ERR, "assoc  @"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->assoc),
-		       areq->assoclen , 1);
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->assoc),
+		       req->assoclen , 1);
 	print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->src) - ivsize,
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src) - ivsize,
 		       edesc->src_nents ? 100 : ivsize, 1);
 	print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->src),
-		       edesc->src_nents ? 100 : areq->cryptlen +
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       edesc->src_nents ? 100 : req->cryptlen +
 		       ctx->authsize + 4, 1);
 #endif
 
 	kfree(edesc);
 
-	aead_request_complete(areq, err);
+	aead_request_complete(req, err);
 }
 
-static void ipsec_esp_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
+static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
 				   void *context)
 {
-	struct aead_request *areq = context;
-	struct ipsec_esp_edesc *edesc;
+	struct aead_request *req = context;
+	struct aead_edesc *edesc;
 #ifdef DEBUG
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct caam_ctx *ctx = crypto_aead_ctx(aead);
+	int ivsize = crypto_aead_ivsize(aead);
 
 	dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 #endif
-	edesc = (struct ipsec_esp_edesc *)((char *)desc -
-		 offsetof(struct ipsec_esp_edesc, hw_desc));
+
+	edesc = (struct aead_edesc *)((char *)desc -
+		 offsetof(struct aead_edesc, hw_desc));
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
+		       ivsize, 1);
+	print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->dst),
+		       req->cryptlen, 1);
+#endif
 
 	if (err) {
 		char tmp[CAAM_ERROR_STR_MAX];
@@ -484,7 +927,7 @@ static void ipsec_esp_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
 		dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
 	}
 
-	ipsec_esp_unmap(jrdev, edesc, areq);
+	aead_unmap(jrdev, edesc, req);
 
 	/*
 	 * verify hw auth check passed else return -EBADMSG
@@ -495,255 +938,413 @@ static void ipsec_esp_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
 #ifdef DEBUG
 	print_hex_dump(KERN_ERR, "iphdrout@"xstr(__LINE__)": ",
 		       DUMP_PREFIX_ADDRESS, 16, 4,
-		       ((char *)sg_virt(areq->assoc) - sizeof(struct iphdr)),
-		       sizeof(struct iphdr) + areq->assoclen +
-		       ((areq->cryptlen > 1500) ? 1500 : areq->cryptlen) +
+		       ((char *)sg_virt(req->assoc) - sizeof(struct iphdr)),
+		       sizeof(struct iphdr) + req->assoclen +
+		       ((req->cryptlen > 1500) ? 1500 : req->cryptlen) +
 		       ctx->authsize + 36, 1);
 	if (!err && edesc->link_tbl_bytes) {
-		struct scatterlist *sg = sg_last(areq->src, edesc->src_nents);
+		struct scatterlist *sg = sg_last(req->src, edesc->src_nents);
 		print_hex_dump(KERN_ERR, "sglastout@"xstr(__LINE__)": ",
 			       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(sg),
 			sg->length + ctx->authsize + 16, 1);
 	}
 #endif
+
 	kfree(edesc);
 
-	aead_request_complete(areq, err);
+	aead_request_complete(req, err);
+}
+
+static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
+				   void *context)
+{
+	struct ablkcipher_request *req = context;
+	struct ablkcipher_edesc *edesc;
+#ifdef DEBUG
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+	dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+#endif
+
+	edesc = (struct ablkcipher_edesc *)((char *)desc -
+		 offsetof(struct ablkcipher_edesc, hw_desc));
+
+	if (err) {
+		char tmp[CAAM_ERROR_STR_MAX];
+
+		dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
+	}
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+		       edesc->src_nents > 1 ? 100 : ivsize, 1);
+	print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
+#endif
+
+	ablkcipher_unmap(jrdev, edesc, req);
+	kfree(edesc);
+
+	ablkcipher_request_complete(req, err);
+}
+
+static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
+				    void *context)
+{
+	struct ablkcipher_request *req = context;
+	struct ablkcipher_edesc *edesc;
+#ifdef DEBUG
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
+	dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+#endif
+
+	edesc = (struct ablkcipher_edesc *)((char *)desc -
+		 offsetof(struct ablkcipher_edesc, hw_desc));
+	if (err) {
+		char tmp[CAAM_ERROR_STR_MAX];
+
+		dev_err(jrdev, "%08x: %s\n", err, caam_jr_strstatus(tmp, err));
+	}
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "dstiv  @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+		       ivsize, 1);
+	print_hex_dump(KERN_ERR, "dst    @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       edesc->dst_nents > 1 ? 100 : req->nbytes, 1);
+#endif
+
+	ablkcipher_unmap(jrdev, edesc, req);
+	kfree(edesc);
+
+	ablkcipher_request_complete(req, err);
+}
+
+static void sg_to_link_tbl_one(struct link_tbl_entry *link_tbl_ptr,
+			       dma_addr_t dma, u32 len, u32 offset)
+{
+	link_tbl_ptr->ptr = dma;
+	link_tbl_ptr->len = len;
+	link_tbl_ptr->reserved = 0;
+	link_tbl_ptr->buf_pool_id = 0;
+	link_tbl_ptr->offset = offset;
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "link_tbl_ptr@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, link_tbl_ptr,
+		       sizeof(struct link_tbl_entry), 1);
+#endif
 }
 
 /*
  * convert scatterlist to h/w link table format
- * scatterlist must have been previously dma mapped
+ * but does not have final bit; instead, returns last entry
  */
-static void sg_to_link_tbl(struct scatterlist *sg, int sg_count,
-			   struct link_tbl_entry *link_tbl_ptr, u32 offset)
+static struct link_tbl_entry *sg_to_link_tbl(struct scatterlist *sg,
+					     int sg_count, struct link_tbl_entry
+					     *link_tbl_ptr, u32 offset)
 {
 	while (sg_count) {
-		link_tbl_ptr->ptr = sg_dma_address(sg);
-		link_tbl_ptr->len = sg_dma_len(sg);
-		link_tbl_ptr->reserved = 0;
-		link_tbl_ptr->buf_pool_id = 0;
-		link_tbl_ptr->offset = offset;
+		sg_to_link_tbl_one(link_tbl_ptr, sg_dma_address(sg),
+				   sg_dma_len(sg), offset);
 		link_tbl_ptr++;
 		sg = sg_next(sg);
 		sg_count--;
 	}
+	return link_tbl_ptr - 1;
+}
 
-	/* set Final bit (marks end of link table) */
-	link_tbl_ptr--;
+/*
+ * convert scatterlist to h/w link table format
+ * scatterlist must have been previously dma mapped
+ */
+static void sg_to_link_tbl_last(struct scatterlist *sg, int sg_count,
+				struct link_tbl_entry *link_tbl_ptr, u32 offset)
+{
+	link_tbl_ptr = sg_to_link_tbl(sg, sg_count, link_tbl_ptr, offset);
 	link_tbl_ptr->len |= 0x40000000;
 }
 
 /*
- * fill in and submit ipsec_esp job descriptor
+ * Fill in aead job descriptor
  */
-static int ipsec_esp(struct ipsec_esp_edesc *edesc, struct aead_request *areq,
-		     u32 encrypt,
-		     void (*callback) (struct device *dev, u32 *desc,
-				       u32 err, void *context))
+static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
+			  struct aead_edesc *edesc,
+			  struct aead_request *req,
+			  bool all_contig, bool encrypt)
 {
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct caam_ctx *ctx = crypto_aead_ctx(aead);
-	struct device *jrdev = ctx->jrdev;
-	u32 *desc = edesc->hw_desc, options;
-	int ret, sg_count, assoc_sg_count;
 	int ivsize = crypto_aead_ivsize(aead);
 	int authsize = ctx->authsize;
-	dma_addr_t ptr, dst_dma, src_dma;
-#ifdef DEBUG
-	u32 *sh_desc = ctx->sh_desc;
+	u32 *desc = edesc->hw_desc;
+	u32 out_options = 0, in_options;
+	dma_addr_t dst_dma, src_dma;
+	int len, link_tbl_index = 0;
 
+#ifdef DEBUG
 	debug("assoclen %d cryptlen %d authsize %d\n",
-	      areq->assoclen, areq->cryptlen, authsize);
+	      req->assoclen, req->cryptlen, authsize);
 	print_hex_dump(KERN_ERR, "assoc  @"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->assoc),
-		       areq->assoclen , 1);
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->assoc),
+		       req->assoclen , 1);
 	print_hex_dump(KERN_ERR, "presciv@"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->src) - ivsize,
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
 		       edesc->src_nents ? 100 : ivsize, 1);
 	print_hex_dump(KERN_ERR, "src    @"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(areq->src),
-			edesc->src_nents ? 100 : areq->cryptlen + authsize, 1);
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+			edesc->src_nents ? 100 : req->cryptlen, 1);
 	print_hex_dump(KERN_ERR, "shrdesc@"xstr(__LINE__)": ",
 		       DUMP_PREFIX_ADDRESS, 16, 4, sh_desc,
 		       desc_bytes(sh_desc), 1);
 #endif
-	assoc_sg_count = dma_map_sg(jrdev, areq->assoc, edesc->assoc_nents ?: 1,
-				    DMA_TO_DEVICE);
-	if (areq->src == areq->dst)
-		sg_count = dma_map_sg(jrdev, areq->src, edesc->src_nents ? : 1,
-				      DMA_BIDIRECTIONAL);
-	else
-		sg_count = dma_map_sg(jrdev, areq->src, edesc->src_nents ? : 1,
-				      DMA_TO_DEVICE);
 
-	/* start auth operation */
-	append_operation(desc, ctx->class2_alg_type | OP_ALG_AS_INITFINAL |
-			 (encrypt ? : OP_ALG_ICV_ON));
+	len = desc_len(sh_desc);
+	init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
 
-	/* Load FIFO with data for Class 2 CHA */
-	options = FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG;
-	if (!edesc->assoc_nents) {
-		ptr = sg_dma_address(areq->assoc);
+	if (all_contig) {
+		src_dma = sg_dma_address(req->assoc);
+		in_options = 0;
 	} else {
-		sg_to_link_tbl(areq->assoc, edesc->assoc_nents,
-			       edesc->link_tbl, 0);
-		ptr = edesc->link_tbl_dma;
-		options |= LDST_SGF;
+		src_dma = edesc->link_tbl_dma;
+		link_tbl_index += (edesc->assoc_nents ? : 1) + 1 +
+				  (edesc->src_nents ? : 1);
+		in_options = LDST_SGF;
 	}
-	append_fifo_load(desc, ptr, areq->assoclen, options);
-
-	/* copy iv from cipher/class1 input context to class2 infifo */
-	append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO | ivsize);
-
-	if (!encrypt) {
-		u32 *jump_cmd, *uncond_jump_cmd;
-
-		/* JUMP if shared */
-		jump_cmd = append_jump(desc, JUMP_TEST_ALL | JUMP_COND_SHRD);
+	if (encrypt)
+		append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
+				  req->cryptlen - authsize, in_options);
+	else
+		append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
+				  req->cryptlen, in_options);
 
-		/* start class 1 (cipher) operation, non-shared version */
-		append_operation(desc, ctx->class1_alg_type |
-				 OP_ALG_AS_INITFINAL);
+	if (likely(req->src == req->dst)) {
+		if (all_contig) {
+			dst_dma = sg_dma_address(req->src);
+		} else {
+			dst_dma = src_dma + sizeof(struct link_tbl_entry) *
+				  ((edesc->assoc_nents ? : 1) + 1);
+			out_options = LDST_SGF;
+		}
+	} else {
+		if (!edesc->dst_nents) {
+			dst_dma = sg_dma_address(req->dst);
+		} else {
+			dst_dma = edesc->link_tbl_dma +
+				  link_tbl_index *
+				  sizeof(struct link_tbl_entry);
+			out_options = LDST_SGF;
+		}
+	}
+	if (encrypt)
+		append_seq_out_ptr(desc, dst_dma, req->cryptlen, out_options);
+	else
+		append_seq_out_ptr(desc, dst_dma, req->cryptlen - authsize,
+				   out_options);
+}
 
-		uncond_jump_cmd = append_jump(desc, 0);
+/*
+ * Fill in aead givencrypt job descriptor
+ */
+static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
+			      struct aead_edesc *edesc,
+			      struct aead_request *req,
+			      int contig)
+{
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
+	struct caam_ctx *ctx = crypto_aead_ctx(aead);
+	int ivsize = crypto_aead_ivsize(aead);
+	int authsize = ctx->authsize;
+	u32 *desc = edesc->hw_desc;
+	u32 out_options = 0, in_options;
+	dma_addr_t dst_dma, src_dma;
+	int len, link_tbl_index = 0;
 
-		set_jump_tgt_here(desc, jump_cmd);
+#ifdef DEBUG
+	debug("assoclen %d cryptlen %d authsize %d\n",
+	      req->assoclen, req->cryptlen, authsize);
+	print_hex_dump(KERN_ERR, "assoc  @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->assoc),
+		       req->assoclen , 1);
+	print_hex_dump(KERN_ERR, "presciv@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->iv, ivsize, 1);
+	print_hex_dump(KERN_ERR, "src    @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+			edesc->src_nents > 1 ? 100 : req->cryptlen, 1);
+	print_hex_dump(KERN_ERR, "shrdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sh_desc,
+		       desc_bytes(sh_desc), 1);
+#endif
 
-		/* start class 1 (cipher) operation, shared version */
-		append_operation(desc, ctx->class1_alg_type |
-				 OP_ALG_AS_INITFINAL | OP_ALG_AAI_DK);
-		set_jump_tgt_here(desc, uncond_jump_cmd);
-	} else
-		append_operation(desc, ctx->class1_alg_type |
-				 OP_ALG_AS_INITFINAL | encrypt);
+	len = desc_len(sh_desc);
+	init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
 
-	/* load payload & instruct to class2 to snoop class 1 if encrypting */
-	options = 0;
-	if (!edesc->src_nents) {
-		src_dma = sg_dma_address(areq->src);
+	if (contig & GIV_SRC_CONTIG) {
+		src_dma = sg_dma_address(req->assoc);
+		in_options = 0;
 	} else {
-		sg_to_link_tbl(areq->src, edesc->src_nents, edesc->link_tbl +
-			       edesc->assoc_nents, 0);
-		src_dma = edesc->link_tbl_dma + edesc->assoc_nents *
-			  sizeof(struct link_tbl_entry);
-		options |= LDST_SGF;
+		src_dma = edesc->link_tbl_dma;
+		link_tbl_index += edesc->assoc_nents + 1 + edesc->src_nents;
+		in_options = LDST_SGF;
 	}
-	append_seq_in_ptr(desc, src_dma, areq->cryptlen + authsize, options);
-	append_seq_fifo_load(desc, areq->cryptlen, FIFOLD_CLASS_BOTH |
-			     FIFOLD_TYPE_LASTBOTH |
-			     (encrypt ? FIFOLD_TYPE_MSG1OUT2
-				      : FIFOLD_TYPE_MSG));
-
-	/* specify destination */
-	if (areq->src == areq->dst) {
-		dst_dma = src_dma;
+	append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
+			  req->cryptlen - authsize, in_options);
+
+	if (contig & GIV_DST_CONTIG) {
+		dst_dma = edesc->iv_dma;
 	} else {
-		sg_count = dma_map_sg(jrdev, areq->dst, edesc->dst_nents ? : 1,
-				      DMA_FROM_DEVICE);
-		if (!edesc->dst_nents) {
-			dst_dma = sg_dma_address(areq->dst);
-			options = 0;
+		if (likely(req->src == req->dst)) {
+			dst_dma = src_dma + sizeof(struct link_tbl_entry) *
+				  edesc->assoc_nents;
+			out_options = LDST_SGF;
 		} else {
-			sg_to_link_tbl(areq->dst, edesc->dst_nents,
-				       edesc->link_tbl + edesc->assoc_nents +
-				       edesc->src_nents, 0);
-			dst_dma = edesc->link_tbl_dma + (edesc->assoc_nents +
-				  edesc->src_nents) *
+			dst_dma = edesc->link_tbl_dma +
+				  link_tbl_index *
 				  sizeof(struct link_tbl_entry);
-			options = LDST_SGF;
+			out_options = LDST_SGF;
 		}
 	}
-	append_seq_out_ptr(desc, dst_dma, areq->cryptlen + authsize, options);
-	append_seq_fifo_store(desc, areq->cryptlen, FIFOST_TYPE_MESSAGE_DATA);
 
-	/* ICV */
-	if (encrypt)
-		append_seq_store(desc, authsize, LDST_CLASS_2_CCB |
-				 LDST_SRCDST_BYTE_CONTEXT);
-	else
-		append_seq_fifo_load(desc, authsize, FIFOLD_CLASS_CLASS2 |
-				     FIFOLD_TYPE_LAST2 | FIFOLD_TYPE_ICV);
+	append_seq_out_ptr(desc, dst_dma, ivsize + req->cryptlen, out_options);
+}
+
+/*
+ * Fill in ablkcipher job descriptor
+ */
+static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
+				struct ablkcipher_edesc *edesc,
+				struct ablkcipher_request *req,
+				bool iv_contig)
+{
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+	u32 *desc = edesc->hw_desc;
+	u32 out_options = 0, in_options;
+	dma_addr_t dst_dma, src_dma;
+	int len, link_tbl_index = 0;
 
 #ifdef DEBUG
-	debug("job_desc_len %d\n", desc_len(desc));
-	print_hex_dump(KERN_ERR, "jobdesc@"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc) , 1);
-	print_hex_dump(KERN_ERR, "jdlinkt@"xstr(__LINE__)": ",
-		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->link_tbl,
-			edesc->link_tbl_bytes, 1);
+	print_hex_dump(KERN_ERR, "presciv@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, req->info,
+		       ivsize, 1);
+	print_hex_dump(KERN_ERR, "src    @"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       edesc->src_nents ? 100 : req->nbytes, 1);
 #endif
 
-	ret = caam_jr_enqueue(jrdev, desc, callback, areq);
-	if (!ret)
-		ret = -EINPROGRESS;
-	else {
-		ipsec_esp_unmap(jrdev, edesc, areq);
-		kfree(edesc);
+	len = desc_len(sh_desc);
+	init_job_desc_shared(desc, ptr, len, HDR_SHARE_DEFER | HDR_REVERSE);
+
+	if (iv_contig) {
+		src_dma = edesc->iv_dma;
+		in_options = 0;
+	} else {
+		src_dma = edesc->link_tbl_dma;
+		link_tbl_index += (iv_contig ? 0 : 1) + edesc->src_nents;
+		in_options = LDST_SGF;
 	}
+	append_seq_in_ptr(desc, src_dma, req->nbytes + ivsize, in_options);
 
-	return ret;
+	if (likely(req->src == req->dst)) {
+		if (!edesc->src_nents && iv_contig) {
+			dst_dma = sg_dma_address(req->src);
+		} else {
+			dst_dma = edesc->link_tbl_dma +
+				sizeof(struct link_tbl_entry);
+			out_options = LDST_SGF;
+		}
+	} else {
+		if (!edesc->dst_nents) {
+			dst_dma = sg_dma_address(req->dst);
+		} else {
+			dst_dma = edesc->link_tbl_dma +
+				link_tbl_index * sizeof(struct link_tbl_entry);
+			out_options = LDST_SGF;
+		}
+	}
+	append_seq_out_ptr(desc, dst_dma, req->nbytes, out_options);
 }
 
 /*
  * derive number of elements in scatterlist
  */
-static int sg_count(struct scatterlist *sg_list, int nbytes, int *chained)
+static int sg_count(struct scatterlist *sg_list, int nbytes)
 {
 	struct scatterlist *sg = sg_list;
 	int sg_nents = 0;
 
-	*chained = 0;
 	while (nbytes > 0) {
 		sg_nents++;
 		nbytes -= sg->length;
 		if (!sg_is_last(sg) && (sg + 1)->length == 0)
-			*chained = 1;
+			BUG(); /* Not support chaining */
 		sg = scatterwalk_sg_next(sg);
 	}
 
+	if (likely(sg_nents == 1))
+		return 0;
+
 	return sg_nents;
 }
 
 /*
- * allocate and map the ipsec_esp extended descriptor
+ * allocate and map the aead extended descriptor
  */
-static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
-						     int desc_bytes)
+static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
+					   int desc_bytes, bool *all_contig_ptr)
 {
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct caam_ctx *ctx = crypto_aead_ctx(aead);
 	struct device *jrdev = ctx->jrdev;
-	gfp_t flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
-		      GFP_ATOMIC;
-	int assoc_nents, src_nents, dst_nents = 0, chained, link_tbl_bytes;
-	struct ipsec_esp_edesc *edesc;
-
-	assoc_nents = sg_count(areq->assoc, areq->assoclen, &chained);
-	BUG_ON(chained);
-	if (likely(assoc_nents == 1))
-		assoc_nents = 0;
-
-	src_nents = sg_count(areq->src, areq->cryptlen + ctx->authsize,
-			     &chained);
-	BUG_ON(chained);
-	if (src_nents == 1)
-		src_nents = 0;
-
-	if (unlikely(areq->dst != areq->src)) {
-		dst_nents = sg_count(areq->dst, areq->cryptlen + ctx->authsize,
-				     &chained);
-		BUG_ON(chained);
-		if (dst_nents == 1)
-			dst_nents = 0;
+	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
+		       CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
+	int assoc_nents, src_nents, dst_nents = 0;
+	struct aead_edesc *edesc;
+	dma_addr_t iv_dma = 0;
+	int sgc;
+	bool all_contig = true;
+	int ivsize = crypto_aead_ivsize(aead);
+	int link_tbl_index, link_tbl_len = 0, link_tbl_bytes;
+
+	assoc_nents = sg_count(req->assoc, req->assoclen);
+	src_nents = sg_count(req->src, req->cryptlen);
+
+	if (unlikely(req->dst != req->src))
+		dst_nents = sg_count(req->dst, req->cryptlen);
+
+	sgc = dma_map_sg(jrdev, req->assoc, assoc_nents ? : 1,
+			 DMA_BIDIRECTIONAL);
+	if (likely(req->src == req->dst)) {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_BIDIRECTIONAL);
+	} else {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_TO_DEVICE);
+		sgc = dma_map_sg(jrdev, req->dst, dst_nents ? : 1,
+				 DMA_FROM_DEVICE);
 	}
 
-	link_tbl_bytes = (assoc_nents + src_nents + dst_nents) *
-			 sizeof(struct link_tbl_entry);
-	debug("link_tbl_bytes %d\n", link_tbl_bytes);
+	/* Check if data are contiguous */
+	iv_dma = dma_map_single(jrdev, req->iv, ivsize, DMA_TO_DEVICE);
+	if (assoc_nents || sg_dma_address(req->assoc) + req->assoclen !=
+	    iv_dma || src_nents || iv_dma + ivsize !=
+	    sg_dma_address(req->src)) {
+		all_contig = false;
+		assoc_nents = assoc_nents ? : 1;
+		src_nents = src_nents ? : 1;
+		link_tbl_len = assoc_nents + 1 + src_nents;
+	}
+	link_tbl_len += dst_nents;
+
+	link_tbl_bytes = link_tbl_len * sizeof(struct link_tbl_entry);
 
 	/* allocate space for base edesc and hw desc commands, link tables */
-	edesc = kmalloc(sizeof(struct ipsec_esp_edesc) + desc_bytes +
+	edesc = kmalloc(sizeof(struct aead_edesc) + desc_bytes +
 			link_tbl_bytes, GFP_DMA | flags);
 	if (!edesc) {
 		dev_err(jrdev, "could not allocate extended descriptor\n");
@@ -753,142 +1354,450 @@ static struct ipsec_esp_edesc *ipsec_esp_edesc_alloc(struct aead_request *areq,
 	edesc->assoc_nents = assoc_nents;
 	edesc->src_nents = src_nents;
 	edesc->dst_nents = dst_nents;
-	edesc->link_tbl = (void *)edesc + sizeof(struct ipsec_esp_edesc) +
+	edesc->iv_dma = iv_dma;
+	edesc->link_tbl_bytes = link_tbl_bytes;
+	edesc->link_tbl = (void *)edesc + sizeof(struct aead_edesc) +
 			  desc_bytes;
 	edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
 					     link_tbl_bytes, DMA_TO_DEVICE);
-	edesc->link_tbl_bytes = link_tbl_bytes;
+	*all_contig_ptr = all_contig;
+
+	link_tbl_index = 0;
+	if (!all_contig) {
+		sg_to_link_tbl(req->assoc,
+			       (assoc_nents ? : 1),
+			       edesc->link_tbl +
+			       link_tbl_index, 0);
+		link_tbl_index += assoc_nents ? : 1;
+		sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
+				   iv_dma, ivsize, 0);
+		link_tbl_index += 1;
+		sg_to_link_tbl_last(req->src,
+				    (src_nents ? : 1),
+				    edesc->link_tbl +
+				    link_tbl_index, 0);
+		link_tbl_index += src_nents ? : 1;
+	}
+	if (dst_nents) {
+		sg_to_link_tbl_last(req->dst, dst_nents,
+				    edesc->link_tbl + link_tbl_index, 0);
+	}
 
 	return edesc;
 }
 
-static int aead_authenc_encrypt(struct aead_request *areq)
+static int aead_encrypt(struct aead_request *req)
 {
-	struct ipsec_esp_edesc *edesc;
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
+	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;
-	int ivsize = crypto_aead_ivsize(aead);
+	bool all_contig;
 	u32 *desc;
-	dma_addr_t iv_dma;
+	int ret = 0;
+
+	req->cryptlen += ctx->authsize;
 
 	/* allocate extended descriptor */
-	edesc = ipsec_esp_edesc_alloc(areq, DESC_AEAD_ENCRYPT_TEXT_LEN *
-				      CAAM_CMD_SZ);
+	edesc = aead_edesc_alloc(req, DESC_JOB_IO_LEN *
+				 CAAM_CMD_SZ, &all_contig);
 	if (IS_ERR(edesc))
 		return PTR_ERR(edesc);
 
-	desc = edesc->hw_desc;
-
-	/* insert shared descriptor pointer */
-	init_job_desc_shared(desc, ctx->shared_desc_phys,
-			     desc_len(ctx->sh_desc), HDR_SHARE_DEFER);
-
-	iv_dma = dma_map_single(jrdev, areq->iv, ivsize, DMA_TO_DEVICE);
-	/* check dma error */
+	/* Create and submit job descriptor */
+	init_aead_job(ctx->sh_desc_enc, ctx->sh_desc_enc_dma, edesc, req,
+		      all_contig, true);
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead jobdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+		       desc_bytes(edesc->hw_desc), 1);
+#endif
 
-	append_load(desc, iv_dma, ivsize,
-		    LDST_CLASS_1_CCB | LDST_SRCDST_BYTE_CONTEXT);
+	desc = edesc->hw_desc;
+	ret = caam_jr_enqueue(jrdev, desc, aead_encrypt_done, req);
+	if (!ret) {
+		ret = -EINPROGRESS;
+	} else {
+		aead_unmap(jrdev, edesc, req);
+		kfree(edesc);
+	}
 
-	return ipsec_esp(edesc, areq, OP_ALG_ENCRYPT, ipsec_esp_encrypt_done);
+	return ret;
 }
 
-static int aead_authenc_decrypt(struct aead_request *req)
+static int aead_decrypt(struct aead_request *req)
 {
+	struct aead_edesc *edesc;
 	struct crypto_aead *aead = crypto_aead_reqtfm(req);
-	int ivsize = crypto_aead_ivsize(aead);
 	struct caam_ctx *ctx = crypto_aead_ctx(aead);
 	struct device *jrdev = ctx->jrdev;
-	struct ipsec_esp_edesc *edesc;
+	bool all_contig;
 	u32 *desc;
-	dma_addr_t iv_dma;
-
-	req->cryptlen -= ctx->authsize;
+	int ret = 0;
 
 	/* allocate extended descriptor */
-	edesc = ipsec_esp_edesc_alloc(req, DESC_AEAD_DECRYPT_TEXT_LEN *
-				      CAAM_CMD_SZ);
+	edesc = aead_edesc_alloc(req, DESC_JOB_IO_LEN *
+				 CAAM_CMD_SZ, &all_contig);
 	if (IS_ERR(edesc))
 		return PTR_ERR(edesc);
 
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "dec src@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       req->cryptlen, 1);
+#endif
+
+	/* Create and submit job descriptor*/
+	init_aead_job(ctx->sh_desc_dec,
+		      ctx->sh_desc_dec_dma, edesc, req, all_contig, false);
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead jobdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+		       desc_bytes(edesc->hw_desc), 1);
+#endif
+
 	desc = edesc->hw_desc;
+	ret = caam_jr_enqueue(jrdev, desc, aead_decrypt_done, req);
+	if (!ret) {
+		ret = -EINPROGRESS;
+	} else {
+		aead_unmap(jrdev, edesc, req);
+		kfree(edesc);
+	}
 
-	/* insert shared descriptor pointer */
-	init_job_desc_shared(desc, ctx->shared_desc_phys,
-			     desc_len(ctx->sh_desc), HDR_SHARE_DEFER);
+	return ret;
+}
 
-	iv_dma = dma_map_single(jrdev, req->iv, ivsize, DMA_TO_DEVICE);
-	/* check dma error */
+/*
+ * allocate and map the aead extended descriptor for aead givencrypt
+ */
+static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
+					       *greq, int desc_bytes,
+					       u32 *contig_ptr)
+{
+	struct aead_request *req = &greq->areq;
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
+	struct caam_ctx *ctx = crypto_aead_ctx(aead);
+	struct device *jrdev = ctx->jrdev;
+	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
+		       CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
+	int assoc_nents, src_nents, dst_nents = 0;
+	struct aead_edesc *edesc;
+	dma_addr_t iv_dma = 0;
+	int sgc;
+	u32 contig = GIV_SRC_CONTIG | GIV_DST_CONTIG;
+	int ivsize = crypto_aead_ivsize(aead);
+	int link_tbl_index, link_tbl_len = 0, link_tbl_bytes;
+
+	assoc_nents = sg_count(req->assoc, req->assoclen);
+	src_nents = sg_count(req->src, req->cryptlen);
 
-	append_load(desc, iv_dma, ivsize,
-		    LDST_CLASS_1_CCB | LDST_SRCDST_BYTE_CONTEXT);
+	if (unlikely(req->dst != req->src))
+		dst_nents = sg_count(req->dst, req->cryptlen);
 
-	return ipsec_esp(edesc, req, !OP_ALG_ENCRYPT, ipsec_esp_decrypt_done);
+	sgc = dma_map_sg(jrdev, req->assoc, assoc_nents ? : 1,
+			 DMA_BIDIRECTIONAL);
+	if (likely(req->src == req->dst)) {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_BIDIRECTIONAL);
+	} else {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_TO_DEVICE);
+		sgc = dma_map_sg(jrdev, req->dst, dst_nents ? : 1,
+				 DMA_FROM_DEVICE);
+	}
+
+	/* Check if data are contiguous */
+	iv_dma = dma_map_single(jrdev, greq->giv, ivsize, DMA_TO_DEVICE);
+	if (assoc_nents || sg_dma_address(req->assoc) + req->assoclen !=
+	    iv_dma || src_nents || iv_dma + ivsize != sg_dma_address(req->src))
+		contig &= ~GIV_SRC_CONTIG;
+	if (dst_nents || iv_dma + ivsize != sg_dma_address(req->dst))
+		contig &= ~GIV_DST_CONTIG;
+		if (unlikely(req->src != req->dst)) {
+			dst_nents = dst_nents ? : 1;
+			link_tbl_len += 1;
+		}
+	if (!(contig & GIV_SRC_CONTIG)) {
+		assoc_nents = assoc_nents ? : 1;
+		src_nents = src_nents ? : 1;
+		link_tbl_len += assoc_nents + 1 + src_nents;
+		if (likely(req->src == req->dst))
+			contig &= ~GIV_DST_CONTIG;
+	}
+	link_tbl_len += dst_nents;
+
+	link_tbl_bytes = link_tbl_len * sizeof(struct link_tbl_entry);
+
+	/* allocate space for base edesc and hw desc commands, link tables */
+	edesc = kmalloc(sizeof(struct aead_edesc) + desc_bytes +
+			link_tbl_bytes, GFP_DMA | flags);
+	if (!edesc) {
+		dev_err(jrdev, "could not allocate extended descriptor\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	edesc->assoc_nents = assoc_nents;
+	edesc->src_nents = src_nents;
+	edesc->dst_nents = dst_nents;
+	edesc->iv_dma = iv_dma;
+	edesc->link_tbl_bytes = link_tbl_bytes;
+	edesc->link_tbl = (void *)edesc + sizeof(struct aead_edesc) +
+			  desc_bytes;
+	edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
+					     link_tbl_bytes, DMA_TO_DEVICE);
+	*contig_ptr = contig;
+
+	link_tbl_index = 0;
+	if (!(contig & GIV_SRC_CONTIG)) {
+		sg_to_link_tbl(req->assoc, assoc_nents,
+			       edesc->link_tbl +
+			       link_tbl_index, 0);
+		link_tbl_index += assoc_nents;
+		sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
+				   iv_dma, ivsize, 0);
+		link_tbl_index += 1;
+		sg_to_link_tbl_last(req->src, src_nents,
+				    edesc->link_tbl +
+				    link_tbl_index, 0);
+		link_tbl_index += src_nents;
+	}
+	if (unlikely(req->src != req->dst && !(contig & GIV_DST_CONTIG))) {
+		sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
+				   iv_dma, ivsize, 0);
+		link_tbl_index += 1;
+		sg_to_link_tbl_last(req->dst, dst_nents,
+				    edesc->link_tbl + link_tbl_index, 0);
+	}
+
+	return edesc;
 }
 
-static int aead_authenc_givencrypt(struct aead_givcrypt_request *req)
+static int aead_givencrypt(struct aead_givcrypt_request *areq)
 {
-	struct aead_request *areq = &req->areq;
-	struct ipsec_esp_edesc *edesc;
-	struct crypto_aead *aead = crypto_aead_reqtfm(areq);
+	struct aead_request *req = &areq->areq;
+	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;
-	int ivsize = crypto_aead_ivsize(aead);
-	dma_addr_t iv_dma;
+	u32 contig;
 	u32 *desc;
+	int ret = 0;
 
-	iv_dma = dma_map_single(jrdev, req->giv, ivsize, DMA_FROM_DEVICE);
-
-	debug("%s: giv %p\n", __func__, req->giv);
+	req->cryptlen += ctx->authsize;
 
 	/* allocate extended descriptor */
-	edesc = ipsec_esp_edesc_alloc(areq, DESC_AEAD_GIVENCRYPT_TEXT_LEN *
-				      CAAM_CMD_SZ);
+	edesc = aead_giv_edesc_alloc(areq, DESC_JOB_IO_LEN *
+				     CAAM_CMD_SZ, &contig);
+
 	if (IS_ERR(edesc))
 		return PTR_ERR(edesc);
 
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "giv src@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(req->src),
+		       req->cryptlen, 1);
+#endif
+
+	/* Create and submit job descriptor*/
+	init_aead_giv_job(ctx->sh_desc_givenc,
+			  ctx->sh_desc_givenc_dma, edesc, req, contig);
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "aead jobdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+		       desc_bytes(edesc->hw_desc), 1);
+#endif
+
 	desc = edesc->hw_desc;
+	ret = caam_jr_enqueue(jrdev, desc, aead_encrypt_done, req);
+	if (!ret) {
+		ret = -EINPROGRESS;
+	} else {
+		aead_unmap(jrdev, edesc, req);
+		kfree(edesc);
+	}
 
-	/* insert shared descriptor pointer */
-	init_job_desc_shared(desc, ctx->shared_desc_phys,
-			     desc_len(ctx->sh_desc), HDR_SHARE_DEFER);
+	return ret;
+}
 
-	/*
-	 * LOAD IMM Info FIFO
-	 * to DECO, Last, Padding, Random, Message, 16 bytes
-	 */
-	append_load_imm_u32(desc, NFIFOENTRY_DEST_DECO | NFIFOENTRY_LC1 |
-			    NFIFOENTRY_STYPE_PAD | NFIFOENTRY_DTYPE_MSG |
-			    NFIFOENTRY_PTYPE_RND | ivsize,
-			    LDST_SRCDST_WORD_INFO_FIFO);
+/*
+ * allocate and map the ablkcipher extended descriptor for ablkcipher
+ */
+static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
+						       *req, int desc_bytes,
+						       bool *iv_contig_out)
+{
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+	struct device *jrdev = ctx->jrdev;
+	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
+					  CRYPTO_TFM_REQ_MAY_SLEEP)) ?
+		       GFP_KERNEL : GFP_ATOMIC;
+	int src_nents, dst_nents = 0, link_tbl_bytes;
+	struct ablkcipher_edesc *edesc;
+	dma_addr_t iv_dma = 0;
+	bool iv_contig = false;
+	int sgc;
+	int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+	int link_tbl_index;
+
+	src_nents = sg_count(req->src, req->nbytes);
+
+	if (unlikely(req->dst != req->src))
+		dst_nents = sg_count(req->dst, req->nbytes);
+
+	if (likely(req->src == req->dst)) {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_BIDIRECTIONAL);
+	} else {
+		sgc = dma_map_sg(jrdev, req->src, src_nents ? : 1,
+				 DMA_TO_DEVICE);
+		sgc = dma_map_sg(jrdev, req->dst, dst_nents ? : 1,
+				 DMA_FROM_DEVICE);
+	}
 
 	/*
-	 * disable info fifo entries since the above serves as the entry
-	 * this way, the MOVE command won't generate an entry.
-	 * Note that this isn't required in more recent versions of
-	 * SEC as a MOVE that doesn't do info FIFO entries is available.
+	 * Check if iv can be contiguous with source and destination.
+	 * If so, include it. If not, create scatterlist.
 	 */
-	append_cmd(desc, CMD_LOAD | DISABLE_AUTO_INFO_FIFO);
+	iv_dma = dma_map_single(jrdev, req->info, ivsize, DMA_TO_DEVICE);
+	if (!src_nents && iv_dma + ivsize == sg_dma_address(req->src))
+		iv_contig = true;
+	else
+		src_nents = src_nents ? : 1;
+	link_tbl_bytes = ((iv_contig ? 0 : 1) + src_nents + dst_nents) *
+			 sizeof(struct link_tbl_entry);
 
-	/* MOVE DECO Alignment -> C1 Context 16 bytes */
-	append_move(desc, MOVE_SRC_INFIFO | MOVE_DEST_CLASS1CTX | ivsize);
+	/* allocate space for base edesc and hw desc commands, link tables */
+	edesc = kmalloc(sizeof(struct ablkcipher_edesc) + desc_bytes +
+			link_tbl_bytes, GFP_DMA | flags);
+	if (!edesc) {
+		dev_err(jrdev, "could not allocate extended descriptor\n");
+		return ERR_PTR(-ENOMEM);
+	}
 
-	/* re-enable info fifo entries */
-	append_cmd(desc, CMD_LOAD | ENABLE_AUTO_INFO_FIFO);
+	edesc->src_nents = src_nents;
+	edesc->dst_nents = dst_nents;
+	edesc->link_tbl_bytes = link_tbl_bytes;
+	edesc->link_tbl = (void *)edesc + sizeof(struct ablkcipher_edesc) +
+			  desc_bytes;
+
+	link_tbl_index = 0;
+	if (!iv_contig) {
+		sg_to_link_tbl_one(edesc->link_tbl, iv_dma, ivsize, 0);
+		sg_to_link_tbl_last(req->src, src_nents,
+				    edesc->link_tbl + 1, 0);
+		link_tbl_index += 1 + src_nents;
+	}
+
+	if (unlikely(dst_nents)) {
+		sg_to_link_tbl_last(req->dst, dst_nents,
+			edesc->link_tbl + link_tbl_index, 0);
+	}
+
+	edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
+					     link_tbl_bytes, DMA_TO_DEVICE);
+	edesc->iv_dma = iv_dma;
+
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "ablkcipher link_tbl@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->link_tbl,
+		       link_tbl_bytes, 1);
+#endif
+
+	*iv_contig_out = iv_contig;
+	return edesc;
+}
+
+static int ablkcipher_encrypt(struct ablkcipher_request *req)
+{
+	struct ablkcipher_edesc *edesc;
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+	struct device *jrdev = ctx->jrdev;
+	bool iv_contig;
+	u32 *desc;
+	int ret = 0;
+
+	/* allocate extended descriptor */
+	edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN *
+				       CAAM_CMD_SZ, &iv_contig);
+	if (IS_ERR(edesc))
+		return PTR_ERR(edesc);
 
-	/* MOVE C1 Context -> OFIFO 16 bytes */
-	append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_OUTFIFO | ivsize);
+	/* Create and submit job descriptor*/
+	init_ablkcipher_job(ctx->sh_desc_enc,
+		ctx->sh_desc_enc_dma, edesc, req, iv_contig);
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+		       desc_bytes(edesc->hw_desc), 1);
+#endif
+	desc = edesc->hw_desc;
+	ret = caam_jr_enqueue(jrdev, desc, ablkcipher_encrypt_done, req);
 
-	append_fifo_store(desc, iv_dma, ivsize, FIFOST_TYPE_MESSAGE_DATA);
+	if (!ret) {
+		ret = -EINPROGRESS;
+	} else {
+		ablkcipher_unmap(jrdev, edesc, req);
+		kfree(edesc);
+	}
 
-	return ipsec_esp(edesc, areq, OP_ALG_ENCRYPT, ipsec_esp_encrypt_done);
+	return ret;
 }
 
+static int ablkcipher_decrypt(struct ablkcipher_request *req)
+{
+	struct ablkcipher_edesc *edesc;
+	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+	struct device *jrdev = ctx->jrdev;
+	bool iv_contig;
+	u32 *desc;
+	int ret = 0;
+
+	/* allocate extended descriptor */
+	edesc = ablkcipher_edesc_alloc(req, DESC_JOB_IO_LEN *
+				       CAAM_CMD_SZ, &iv_contig);
+	if (IS_ERR(edesc))
+		return PTR_ERR(edesc);
+
+	/* Create and submit job descriptor*/
+	init_ablkcipher_job(ctx->sh_desc_dec,
+		ctx->sh_desc_dec_dma, edesc, req, iv_contig);
+	desc = edesc->hw_desc;
+#ifdef DEBUG
+	print_hex_dump(KERN_ERR, "ablkcipher jobdesc@"xstr(__LINE__)": ",
+		       DUMP_PREFIX_ADDRESS, 16, 4, edesc->hw_desc,
+		       desc_bytes(edesc->hw_desc), 1);
+#endif
+
+	ret = caam_jr_enqueue(jrdev, desc, ablkcipher_decrypt_done, req);
+	if (!ret) {
+		ret = -EINPROGRESS;
+	} else {
+		ablkcipher_unmap(jrdev, edesc, req);
+		kfree(edesc);
+	}
+
+	return ret;
+}
+
+#define template_aead		template_u.aead
+#define template_ablkcipher	template_u.ablkcipher
 struct caam_alg_template {
 	char name[CRYPTO_MAX_ALG_NAME];
 	char driver_name[CRYPTO_MAX_ALG_NAME];
 	unsigned int blocksize;
-	struct aead_alg aead;
+	u32 type;
+	union {
+		struct ablkcipher_alg ablkcipher;
+		struct aead_alg aead;
+		struct blkcipher_alg blkcipher;
+		struct cipher_alg cipher;
+		struct compress_alg compress;
+		struct rng_alg rng;
+	} template_u;
 	u32 class1_alg_type;
 	u32 class2_alg_type;
 	u32 alg_op;
@@ -900,12 +1809,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha1),cbc(aes))",
 		.driver_name = "authenc-hmac-sha1-cbc-aes-caam",
 		.blocksize = AES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = AES_BLOCK_SIZE,
 			.maxauthsize = SHA1_DIGEST_SIZE,
@@ -918,12 +1828,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha256),cbc(aes))",
 		.driver_name = "authenc-hmac-sha256-cbc-aes-caam",
 		.blocksize = AES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = AES_BLOCK_SIZE,
 			.maxauthsize = SHA256_DIGEST_SIZE,
@@ -937,12 +1848,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha512),cbc(aes))",
 		.driver_name = "authenc-hmac-sha512-cbc-aes-caam",
 		.blocksize = AES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = AES_BLOCK_SIZE,
 			.maxauthsize = SHA512_DIGEST_SIZE,
@@ -956,12 +1868,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha1),cbc(des3_ede))",
 		.driver_name = "authenc-hmac-sha1-cbc-des3_ede-caam",
 		.blocksize = DES3_EDE_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES3_EDE_BLOCK_SIZE,
 			.maxauthsize = SHA1_DIGEST_SIZE,
@@ -974,12 +1887,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha256),cbc(des3_ede))",
 		.driver_name = "authenc-hmac-sha256-cbc-des3_ede-caam",
 		.blocksize = DES3_EDE_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES3_EDE_BLOCK_SIZE,
 			.maxauthsize = SHA256_DIGEST_SIZE,
@@ -993,12 +1907,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha512),cbc(des3_ede))",
 		.driver_name = "authenc-hmac-sha512-cbc-des3_ede-caam",
 		.blocksize = DES3_EDE_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES3_EDE_BLOCK_SIZE,
 			.maxauthsize = SHA512_DIGEST_SIZE,
@@ -1012,12 +1927,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha1),cbc(des))",
 		.driver_name = "authenc-hmac-sha1-cbc-des-caam",
 		.blocksize = DES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES_BLOCK_SIZE,
 			.maxauthsize = SHA1_DIGEST_SIZE,
@@ -1030,12 +1946,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha256),cbc(des))",
 		.driver_name = "authenc-hmac-sha256-cbc-des-caam",
 		.blocksize = DES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES_BLOCK_SIZE,
 			.maxauthsize = SHA256_DIGEST_SIZE,
@@ -1049,12 +1966,13 @@ static struct caam_alg_template driver_algs[] = {
 		.name = "authenc(hmac(sha512),cbc(des))",
 		.driver_name = "authenc-hmac-sha512-cbc-des-caam",
 		.blocksize = DES_BLOCK_SIZE,
-		.aead = {
-			.setkey = aead_authenc_setkey,
-			.setauthsize = aead_authenc_setauthsize,
-			.encrypt = aead_authenc_encrypt,
-			.decrypt = aead_authenc_decrypt,
-			.givencrypt = aead_authenc_givencrypt,
+		.type = CRYPTO_ALG_TYPE_AEAD,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
 			.geniv = "<built-in>",
 			.ivsize = DES_BLOCK_SIZE,
 			.maxauthsize = SHA512_DIGEST_SIZE,
@@ -1064,6 +1982,55 @@ static struct caam_alg_template driver_algs[] = {
 				   OP_ALG_AAI_HMAC_PRECOMP,
 		.alg_op = OP_ALG_ALGSEL_SHA512 | OP_ALG_AAI_HMAC,
 	},
+	/* ablkcipher descriptor */
+	{
+		.name = "cbc(aes)",
+		.driver_name = "cbc-aes-caam",
+		.blocksize = AES_BLOCK_SIZE,
+		.type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+		.template_ablkcipher = {
+			.setkey = ablkcipher_setkey,
+			.encrypt = ablkcipher_encrypt,
+			.decrypt = ablkcipher_decrypt,
+			.geniv = "eseqiv",
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
+	},
+	{
+		.name = "cbc(des3_ede)",
+		.driver_name = "cbc-3des-caam",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+		.template_ablkcipher = {
+			.setkey = ablkcipher_setkey,
+			.encrypt = ablkcipher_encrypt,
+			.decrypt = ablkcipher_decrypt,
+			.geniv = "eseqiv",
+			.min_keysize = DES3_EDE_KEY_SIZE,
+			.max_keysize = DES3_EDE_KEY_SIZE,
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
+	},
+	{
+		.name = "cbc(des)",
+		.driver_name = "cbc-des-caam",
+		.blocksize = DES_BLOCK_SIZE,
+		.type = CRYPTO_ALG_TYPE_ABLKCIPHER,
+		.template_ablkcipher = {
+			.setkey = ablkcipher_setkey,
+			.encrypt = ablkcipher_encrypt,
+			.decrypt = ablkcipher_decrypt,
+			.geniv = "eseqiv",
+			.min_keysize = DES_KEY_SIZE,
+			.max_keysize = DES_KEY_SIZE,
+			.ivsize = DES_BLOCK_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
+	}
 };
 
 struct caam_crypto_alg {
@@ -1102,16 +2069,19 @@ static void caam_cra_exit(struct crypto_tfm *tfm)
 {
 	struct caam_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	if (!dma_mapping_error(ctx->jrdev, ctx->shared_desc_phys))
-		dma_unmap_single(ctx->jrdev, ctx->shared_desc_phys,
-				 desc_bytes(ctx->sh_desc), DMA_TO_DEVICE);
-	kfree(ctx->sh_desc);
-
-	if (!dma_mapping_error(ctx->jrdev, ctx->key_phys))
-		dma_unmap_single(ctx->jrdev, ctx->key_phys,
-				 ctx->split_key_pad_len + ctx->enckeylen,
+	if (ctx->sh_desc_enc_dma &&
+	    !dma_mapping_error(ctx->jrdev, ctx->sh_desc_enc_dma))
+		dma_unmap_single(ctx->jrdev, ctx->sh_desc_enc_dma,
+				 desc_bytes(ctx->sh_desc_enc), DMA_TO_DEVICE);
+	if (ctx->sh_desc_dec_dma &&
+	    !dma_mapping_error(ctx->jrdev, ctx->sh_desc_dec_dma))
+		dma_unmap_single(ctx->jrdev, ctx->sh_desc_dec_dma,
+				 desc_bytes(ctx->sh_desc_dec), DMA_TO_DEVICE);
+	if (ctx->sh_desc_givenc_dma &&
+	    !dma_mapping_error(ctx->jrdev, ctx->sh_desc_givenc_dma))
+		dma_unmap_single(ctx->jrdev, ctx->sh_desc_givenc_dma,
+				 desc_bytes(ctx->sh_desc_givenc),
 				 DMA_TO_DEVICE);
-	kfree(ctx->key);
 }
 
 static void __exit caam_algapi_exit(void)
@@ -1175,12 +2145,20 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
 	alg->cra_init = caam_cra_init;
 	alg->cra_exit = caam_cra_exit;
 	alg->cra_priority = CAAM_CRA_PRIORITY;
-	alg->cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
 	alg->cra_blocksize = template->blocksize;
 	alg->cra_alignmask = 0;
-	alg->cra_type = &crypto_aead_type;
 	alg->cra_ctxsize = sizeof(struct caam_ctx);
-	alg->cra_u.aead = template->aead;
+	alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
+	switch (template->type) {
+	case CRYPTO_ALG_TYPE_ABLKCIPHER:
+		alg->cra_type = &crypto_ablkcipher_type;
+		alg->cra_ablkcipher = template->template_ablkcipher;
+		break;
+	case CRYPTO_ALG_TYPE_AEAD:
+		alg->cra_type = &crypto_aead_type;
+		alg->cra_aead = template->template_aead;
+		break;
+	}
 
 	t_alg->class1_alg_type = template->class1_alg_type;
 	t_alg->class2_alg_type = template->class2_alg_type;
diff --git a/drivers/crypto/caam/compat.h b/drivers/crypto/caam/compat.h
index 950450346f7..d38f2afaa96 100644
--- a/drivers/crypto/caam/compat.h
+++ b/drivers/crypto/caam/compat.h
@@ -31,5 +31,6 @@
 #include <crypto/aead.h>
 #include <crypto/authenc.h>
 #include <crypto/scatterwalk.h>
+#include <crypto/internal/skcipher.h>
 
 #endif /* !defined(CAAM_COMPAT_H) */
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 9009713a3c2..fc2d9ed2247 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -52,9 +52,11 @@ static int caam_probe(struct platform_device *pdev)
 	struct caam_ctrl __iomem *ctrl;
 	struct caam_full __iomem *topregs;
 	struct caam_drv_private *ctrlpriv;
-	struct caam_perfmon *perfmon;
 	struct caam_deco **deco;
 	u32 deconum;
+#ifdef CONFIG_DEBUG_FS
+	struct caam_perfmon *perfmon;
+#endif
 
 	ctrlpriv = kzalloc(sizeof(struct caam_drv_private), GFP_KERNEL);
 	if (!ctrlpriv)
diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h
index 46915800c26..0991323cf3f 100644
--- a/drivers/crypto/caam/desc_constr.h
+++ b/drivers/crypto/caam/desc_constr.h
@@ -9,7 +9,7 @@
 #define IMMEDIATE (1 << 23)
 #define CAAM_CMD_SZ sizeof(u32)
 #define CAAM_PTR_SZ sizeof(dma_addr_t)
-#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * 64)
+#define CAAM_DESC_BYTES_MAX (CAAM_CMD_SZ * MAX_CAAM_DESCSIZE)
 
 #ifdef DEBUG
 #define PRINT_POS do { printk(KERN_DEBUG "%02d: %s\n", desc_len(desc),\
@@ -18,6 +18,9 @@
 #define PRINT_POS
 #endif
 
+#define SET_OK_PROP_ERRORS (IMMEDIATE | LDST_CLASS_DECO | \
+			    LDST_SRCDST_WORD_DECOCTRL | \
+			    (LDOFF_CHG_SHARE_OK_PROP << LDST_OFFSET_SHIFT))
 #define DISABLE_AUTO_INFO_FIFO (IMMEDIATE | LDST_CLASS_DECO | \
 				LDST_SRCDST_WORD_DECOCTRL | \
 				(LDOFF_DISABLE_AUTO_NFIFO << LDST_OFFSET_SHIFT))
@@ -203,3 +206,56 @@ static inline void append_##cmd##_imm_##type(u32 *desc, type immediate, \
 	append_cmd(desc, immediate); \
 }
 APPEND_CMD_RAW_IMM(load, LOAD, u32);
+
+/*
+ * Append math command. Only the last part of destination and source need to
+ * be specified
+ */
+#define APPEND_MATH(op, desc, dest, src_0, src_1, len) \
+append_cmd(desc, CMD_MATH | MATH_FUN_##op | MATH_DEST_##dest | \
+	   MATH_SRC0_##src_0 | MATH_SRC1_##src_1 | (u32) (len & MATH_LEN_MASK));
+
+#define append_math_add(desc, dest, src0, src1, len) \
+	APPEND_MATH(ADD, desc, dest, src0, src1, len)
+#define append_math_sub(desc, dest, src0, src1, len) \
+	APPEND_MATH(SUB, desc, dest, src0, src1, len)
+#define append_math_add_c(desc, dest, src0, src1, len) \
+	APPEND_MATH(ADDC, desc, dest, src0, src1, len)
+#define append_math_sub_b(desc, dest, src0, src1, len) \
+	APPEND_MATH(SUBB, desc, dest, src0, src1, len)
+#define append_math_and(desc, dest, src0, src1, len) \
+	APPEND_MATH(AND, desc, dest, src0, src1, len)
+#define append_math_or(desc, dest, src0, src1, len) \
+	APPEND_MATH(OR, desc, dest, src0, src1, len)
+#define append_math_xor(desc, dest, src0, src1, len) \
+	APPEND_MATH(XOR, desc, dest, src0, src1, len)
+#define append_math_lshift(desc, dest, src0, src1, len) \
+	APPEND_MATH(LSHIFT, desc, dest, src0, src1, len)
+#define append_math_rshift(desc, dest, src0, src1, len) \
+	APPEND_MATH(RSHIFT, desc, dest, src0, src1, len)
+
+/* Exactly one source is IMM. Data is passed in as u32 value */
+#define APPEND_MATH_IMM_u32(op, desc, dest, src_0, src_1, data) \
+do { \
+	APPEND_MATH(op, desc, dest, src_0, src_1, CAAM_CMD_SZ); \
+	append_cmd(desc, data); \
+} while (0);
+
+#define append_math_add_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(ADD, desc, dest, src0, src1, data)
+#define append_math_sub_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(SUB, desc, dest, src0, src1, data)
+#define append_math_add_c_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(ADDC, desc, dest, src0, src1, data)
+#define append_math_sub_b_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(SUBB, desc, dest, src0, src1, data)
+#define append_math_and_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(AND, desc, dest, src0, src1, data)
+#define append_math_or_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(OR, desc, dest, src0, src1, data)
+#define append_math_xor_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(XOR, desc, dest, src0, src1, data)
+#define append_math_lshift_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(LSHIFT, desc, dest, src0, src1, data)
+#define append_math_rshift_imm_u32(desc, dest, src0, src1, data) \
+	APPEND_MATH_IMM_u32(RSHIFT, desc, dest, src0, src1, data)
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index ba8f1ea84c5..6399a8f1938 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -72,17 +72,20 @@
 
 #define DEFAULT_TIMEOUT_INTERVAL	HZ
 
-#define FLAGS_FINUP		0x0002
-#define FLAGS_FINAL		0x0004
-#define FLAGS_SG		0x0008
-#define FLAGS_SHA1		0x0010
-#define FLAGS_DMA_ACTIVE	0x0020
-#define FLAGS_OUTPUT_READY	0x0040
-#define FLAGS_INIT		0x0100
-#define FLAGS_CPU		0x0200
-#define FLAGS_HMAC		0x0400
-#define FLAGS_ERROR		0x0800
-#define FLAGS_BUSY		0x1000
+/* mostly device flags */
+#define FLAGS_BUSY		0
+#define FLAGS_FINAL		1
+#define FLAGS_DMA_ACTIVE	2
+#define FLAGS_OUTPUT_READY	3
+#define FLAGS_INIT		4
+#define FLAGS_CPU		5
+#define FLAGS_DMA_READY		6
+/* context flags */
+#define FLAGS_FINUP		16
+#define FLAGS_SG		17
+#define FLAGS_SHA1		18
+#define FLAGS_HMAC		19
+#define FLAGS_ERROR		20
 
 #define OP_UPDATE	1
 #define OP_FINAL	2
@@ -144,7 +147,6 @@ struct omap_sham_dev {
 	int			dma;
 	int			dma_lch;
 	struct tasklet_struct	done_task;
-	struct tasklet_struct	queue_task;
 
 	unsigned long		flags;
 	struct crypto_queue	queue;
@@ -223,7 +225,7 @@ static void omap_sham_copy_ready_hash(struct ahash_request *req)
 	if (!hash)
 		return;
 
-	if (likely(ctx->flags & FLAGS_SHA1)) {
+	if (likely(ctx->flags & BIT(FLAGS_SHA1))) {
 		/* SHA1 results are in big endian */
 		for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++)
 			hash[i] = be32_to_cpu(in[i]);
@@ -238,7 +240,7 @@ static int omap_sham_hw_init(struct omap_sham_dev *dd)
 {
 	clk_enable(dd->iclk);
 
-	if (!(dd->flags & FLAGS_INIT)) {
+	if (!test_bit(FLAGS_INIT, &dd->flags)) {
 		omap_sham_write_mask(dd, SHA_REG_MASK,
 			SHA_REG_MASK_SOFTRESET, SHA_REG_MASK_SOFTRESET);
 
@@ -246,7 +248,7 @@ static int omap_sham_hw_init(struct omap_sham_dev *dd)
 					SHA_REG_SYSSTATUS_RESETDONE))
 			return -ETIMEDOUT;
 
-		dd->flags |= FLAGS_INIT;
+		set_bit(FLAGS_INIT, &dd->flags);
 		dd->err = 0;
 	}
 
@@ -269,7 +271,7 @@ static void omap_sham_write_ctrl(struct omap_sham_dev *dd, size_t length,
 	 * Setting ALGO_CONST only for the first iteration
 	 * and CLOSE_HASH only for the last one.
 	 */
-	if (ctx->flags & FLAGS_SHA1)
+	if (ctx->flags & BIT(FLAGS_SHA1))
 		val |= SHA_REG_CTRL_ALGO;
 	if (!ctx->digcnt)
 		val |= SHA_REG_CTRL_ALGO_CONST;
@@ -301,7 +303,9 @@ static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
 		return -ETIMEDOUT;
 
 	if (final)
-		ctx->flags |= FLAGS_FINAL; /* catch last interrupt */
+		set_bit(FLAGS_FINAL, &dd->flags); /* catch last interrupt */
+
+	set_bit(FLAGS_CPU, &dd->flags);
 
 	len32 = DIV_ROUND_UP(length, sizeof(u32));
 
@@ -334,9 +338,9 @@ static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
 	ctx->digcnt += length;
 
 	if (final)
-		ctx->flags |= FLAGS_FINAL; /* catch last interrupt */
+		set_bit(FLAGS_FINAL, &dd->flags); /* catch last interrupt */
 
-	dd->flags |= FLAGS_DMA_ACTIVE;
+	set_bit(FLAGS_DMA_ACTIVE, &dd->flags);
 
 	omap_start_dma(dd->dma_lch);
 
@@ -392,7 +396,7 @@ static int omap_sham_xmit_dma_map(struct omap_sham_dev *dd,
 		return -EINVAL;
 	}
 
-	ctx->flags &= ~FLAGS_SG;
+	ctx->flags &= ~BIT(FLAGS_SG);
 
 	/* next call does not fail... so no unmap in the case of error */
 	return omap_sham_xmit_dma(dd, ctx->dma_addr, length, final);
@@ -406,7 +410,7 @@ static int omap_sham_update_dma_slow(struct omap_sham_dev *dd)
 
 	omap_sham_append_sg(ctx);
 
-	final = (ctx->flags & FLAGS_FINUP) && !ctx->total;
+	final = (ctx->flags & BIT(FLAGS_FINUP)) && !ctx->total;
 
 	dev_dbg(dd->dev, "slow: bufcnt: %u, digcnt: %d, final: %d\n",
 					 ctx->bufcnt, ctx->digcnt, final);
@@ -452,7 +456,7 @@ static int omap_sham_update_dma_start(struct omap_sham_dev *dd)
 	length = min(ctx->total, sg->length);
 
 	if (sg_is_last(sg)) {
-		if (!(ctx->flags & FLAGS_FINUP)) {
+		if (!(ctx->flags & BIT(FLAGS_FINUP))) {
 			/* not last sg must be SHA1_MD5_BLOCK_SIZE aligned */
 			tail = length & (SHA1_MD5_BLOCK_SIZE - 1);
 			/* without finup() we need one block to close hash */
@@ -467,12 +471,12 @@ static int omap_sham_update_dma_start(struct omap_sham_dev *dd)
 		return -EINVAL;
 	}
 
-	ctx->flags |= FLAGS_SG;
+	ctx->flags |= BIT(FLAGS_SG);
 
 	ctx->total -= length;
 	ctx->offset = length; /* offset where to start slow */
 
-	final = (ctx->flags & FLAGS_FINUP) && !ctx->total;
+	final = (ctx->flags & BIT(FLAGS_FINUP)) && !ctx->total;
 
 	/* next call does not fail... so no unmap in the case of error */
 	return omap_sham_xmit_dma(dd, sg_dma_address(ctx->sg), length, final);
@@ -495,7 +499,7 @@ static int omap_sham_update_dma_stop(struct omap_sham_dev *dd)
 	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
 
 	omap_stop_dma(dd->dma_lch);
-	if (ctx->flags & FLAGS_SG) {
+	if (ctx->flags & BIT(FLAGS_SG)) {
 		dma_unmap_sg(dd->dev, ctx->sg, 1, DMA_TO_DEVICE);
 		if (ctx->sg->length == ctx->offset) {
 			ctx->sg = sg_next(ctx->sg);
@@ -537,18 +541,18 @@ static int omap_sham_init(struct ahash_request *req)
 		crypto_ahash_digestsize(tfm));
 
 	if (crypto_ahash_digestsize(tfm) == SHA1_DIGEST_SIZE)
-		ctx->flags |= FLAGS_SHA1;
+		ctx->flags |= BIT(FLAGS_SHA1);
 
 	ctx->bufcnt = 0;
 	ctx->digcnt = 0;
 	ctx->buflen = BUFLEN;
 
-	if (tctx->flags & FLAGS_HMAC) {
+	if (tctx->flags & BIT(FLAGS_HMAC)) {
 		struct omap_sham_hmac_ctx *bctx = tctx->base;
 
 		memcpy(ctx->buffer, bctx->ipad, SHA1_MD5_BLOCK_SIZE);
 		ctx->bufcnt = SHA1_MD5_BLOCK_SIZE;
-		ctx->flags |= FLAGS_HMAC;
+		ctx->flags |= BIT(FLAGS_HMAC);
 	}
 
 	return 0;
@@ -562,9 +566,9 @@ static int omap_sham_update_req(struct omap_sham_dev *dd)
 	int err;
 
 	dev_dbg(dd->dev, "update_req: total: %u, digcnt: %d, finup: %d\n",
-		 ctx->total, ctx->digcnt, (ctx->flags & FLAGS_FINUP) != 0);
+		 ctx->total, ctx->digcnt, (ctx->flags & BIT(FLAGS_FINUP)) != 0);
 
-	if (ctx->flags & FLAGS_CPU)
+	if (ctx->flags & BIT(FLAGS_CPU))
 		err = omap_sham_update_cpu(dd);
 	else
 		err = omap_sham_update_dma_start(dd);
@@ -624,7 +628,7 @@ static int omap_sham_finish(struct ahash_request *req)
 
 	if (ctx->digcnt) {
 		omap_sham_copy_ready_hash(req);
-		if (ctx->flags & FLAGS_HMAC)
+		if (ctx->flags & BIT(FLAGS_HMAC))
 			err = omap_sham_finish_hmac(req);
 	}
 
@@ -639,18 +643,23 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
 	struct omap_sham_dev *dd = ctx->dd;
 
 	if (!err) {
-		omap_sham_copy_hash(ctx->dd->req, 1);
-		if (ctx->flags & FLAGS_FINAL)
+		omap_sham_copy_hash(req, 1);
+		if (test_bit(FLAGS_FINAL, &dd->flags))
 			err = omap_sham_finish(req);
 	} else {
-		ctx->flags |= FLAGS_ERROR;
+		ctx->flags |= BIT(FLAGS_ERROR);
 	}
 
+	/* atomic operation is not needed here */
+	dd->flags &= ~(BIT(FLAGS_BUSY) | BIT(FLAGS_FINAL) | BIT(FLAGS_CPU) |
+			BIT(FLAGS_DMA_READY) | BIT(FLAGS_OUTPUT_READY));
 	clk_disable(dd->iclk);
-	dd->flags &= ~FLAGS_BUSY;
 
 	if (req->base.complete)
 		req->base.complete(&req->base, err);
+
+	/* handle new request */
+	tasklet_schedule(&dd->done_task);
 }
 
 static int omap_sham_handle_queue(struct omap_sham_dev *dd,
@@ -658,21 +667,20 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
 {
 	struct crypto_async_request *async_req, *backlog;
 	struct omap_sham_reqctx *ctx;
-	struct ahash_request *prev_req;
 	unsigned long flags;
 	int err = 0, ret = 0;
 
 	spin_lock_irqsave(&dd->lock, flags);
 	if (req)
 		ret = ahash_enqueue_request(&dd->queue, req);
-	if (dd->flags & FLAGS_BUSY) {
+	if (test_bit(FLAGS_BUSY, &dd->flags)) {
 		spin_unlock_irqrestore(&dd->lock, flags);
 		return ret;
 	}
 	backlog = crypto_get_backlog(&dd->queue);
 	async_req = crypto_dequeue_request(&dd->queue);
 	if (async_req)
-		dd->flags |= FLAGS_BUSY;
+		set_bit(FLAGS_BUSY, &dd->flags);
 	spin_unlock_irqrestore(&dd->lock, flags);
 
 	if (!async_req)
@@ -682,16 +690,12 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
 		backlog->complete(backlog, -EINPROGRESS);
 
 	req = ahash_request_cast(async_req);
-
-	prev_req = dd->req;
 	dd->req = req;
-
 	ctx = ahash_request_ctx(req);
 
 	dev_dbg(dd->dev, "handling new req, op: %lu, nbytes: %d\n",
 						ctx->op, req->nbytes);
 
-
 	err = omap_sham_hw_init(dd);
 	if (err)
 		goto err1;
@@ -712,18 +716,16 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
 
 	if (ctx->op == OP_UPDATE) {
 		err = omap_sham_update_req(dd);
-		if (err != -EINPROGRESS && (ctx->flags & FLAGS_FINUP))
+		if (err != -EINPROGRESS && (ctx->flags & BIT(FLAGS_FINUP)))
 			/* no final() after finup() */
 			err = omap_sham_final_req(dd);
 	} else if (ctx->op == OP_FINAL) {
 		err = omap_sham_final_req(dd);
 	}
 err1:
-	if (err != -EINPROGRESS) {
+	if (err != -EINPROGRESS)
 		/* done_task will not finish it, so do it here */
 		omap_sham_finish_req(req, err);
-		tasklet_schedule(&dd->queue_task);
-	}
 
 	dev_dbg(dd->dev, "exit, err: %d\n", err);
 
@@ -752,7 +754,7 @@ static int omap_sham_update(struct ahash_request *req)
 	ctx->sg = req->src;
 	ctx->offset = 0;
 
-	if (ctx->flags & FLAGS_FINUP) {
+	if (ctx->flags & BIT(FLAGS_FINUP)) {
 		if ((ctx->digcnt + ctx->bufcnt + ctx->total) < 9) {
 			/*
 			* OMAP HW accel works only with buffers >= 9
@@ -765,7 +767,7 @@ static int omap_sham_update(struct ahash_request *req)
 			/*
 			* faster to use CPU for short transfers
 			*/
-			ctx->flags |= FLAGS_CPU;
+			ctx->flags |= BIT(FLAGS_CPU);
 		}
 	} else if (ctx->bufcnt + ctx->total < ctx->buflen) {
 		omap_sham_append_sg(ctx);
@@ -802,9 +804,9 @@ static int omap_sham_final(struct ahash_request *req)
 {
 	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
 
-	ctx->flags |= FLAGS_FINUP;
+	ctx->flags |= BIT(FLAGS_FINUP);
 
-	if (ctx->flags & FLAGS_ERROR)
+	if (ctx->flags & BIT(FLAGS_ERROR))
 		return 0; /* uncompleted hash is not needed */
 
 	/* OMAP HW accel works only with buffers >= 9 */
@@ -823,7 +825,7 @@ static int omap_sham_finup(struct ahash_request *req)
 	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
 	int err1, err2;
 
-	ctx->flags |= FLAGS_FINUP;
+	ctx->flags |= BIT(FLAGS_FINUP);
 
 	err1 = omap_sham_update(req);
 	if (err1 == -EINPROGRESS || err1 == -EBUSY)
@@ -895,7 +897,7 @@ static int omap_sham_cra_init_alg(struct crypto_tfm *tfm, const char *alg_base)
 
 	if (alg_base) {
 		struct omap_sham_hmac_ctx *bctx = tctx->base;
-		tctx->flags |= FLAGS_HMAC;
+		tctx->flags |= BIT(FLAGS_HMAC);
 		bctx->shash = crypto_alloc_shash(alg_base, 0,
 						CRYPTO_ALG_NEED_FALLBACK);
 		if (IS_ERR(bctx->shash)) {
@@ -932,7 +934,7 @@ static void omap_sham_cra_exit(struct crypto_tfm *tfm)
 	crypto_free_shash(tctx->fallback);
 	tctx->fallback = NULL;
 
-	if (tctx->flags & FLAGS_HMAC) {
+	if (tctx->flags & BIT(FLAGS_HMAC)) {
 		struct omap_sham_hmac_ctx *bctx = tctx->base;
 		crypto_free_shash(bctx->shash);
 	}
@@ -1036,51 +1038,46 @@ static struct ahash_alg algs[] = {
 static void omap_sham_done_task(unsigned long data)
 {
 	struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
-	struct ahash_request *req = dd->req;
-	struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
-	int ready = 0, err = 0;
+	int err = 0;
 
-	if (ctx->flags & FLAGS_OUTPUT_READY) {
-		ctx->flags &= ~FLAGS_OUTPUT_READY;
-		ready = 1;
+	if (!test_bit(FLAGS_BUSY, &dd->flags)) {
+		omap_sham_handle_queue(dd, NULL);
+		return;
 	}
 
-	if (dd->flags & FLAGS_DMA_ACTIVE) {
-		dd->flags &= ~FLAGS_DMA_ACTIVE;
-		omap_sham_update_dma_stop(dd);
-		if (!dd->err)
+	if (test_bit(FLAGS_CPU, &dd->flags)) {
+		if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags))
+			goto finish;
+	} else if (test_bit(FLAGS_DMA_READY, &dd->flags)) {
+		if (test_and_clear_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
+			omap_sham_update_dma_stop(dd);
+			if (dd->err) {
+				err = dd->err;
+				goto finish;
+			}
+		}
+		if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags)) {
+			/* hash or semi-hash ready */
+			clear_bit(FLAGS_DMA_READY, &dd->flags);
 			err = omap_sham_update_dma_start(dd);
+			if (err != -EINPROGRESS)
+				goto finish;
+		}
 	}
 
-	err = dd->err ? : err;
-
-	if (err != -EINPROGRESS && (ready || err)) {
-		dev_dbg(dd->dev, "update done: err: %d\n", err);
-		/* finish curent request */
-		omap_sham_finish_req(req, err);
-		/* start new request */
-		omap_sham_handle_queue(dd, NULL);
-	}
-}
-
-static void omap_sham_queue_task(unsigned long data)
-{
-	struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
+	return;
 
-	omap_sham_handle_queue(dd, NULL);
+finish:
+	dev_dbg(dd->dev, "update done: err: %d\n", err);
+	/* finish curent request */
+	omap_sham_finish_req(dd->req, err);
 }
 
 static irqreturn_t omap_sham_irq(int irq, void *dev_id)
 {
 	struct omap_sham_dev *dd = dev_id;
-	struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
-
-	if (!ctx) {
-		dev_err(dd->dev, "unknown interrupt.\n");
-		return IRQ_HANDLED;
-	}
 
-	if (unlikely(ctx->flags & FLAGS_FINAL))
+	if (unlikely(test_bit(FLAGS_FINAL, &dd->flags)))
 		/* final -> allow device to go to power-saving mode */
 		omap_sham_write_mask(dd, SHA_REG_CTRL, 0, SHA_REG_CTRL_LENGTH);
 
@@ -1088,8 +1085,12 @@ static irqreturn_t omap_sham_irq(int irq, void *dev_id)
 				 SHA_REG_CTRL_OUTPUT_READY);
 	omap_sham_read(dd, SHA_REG_CTRL);
 
-	ctx->flags |= FLAGS_OUTPUT_READY;
-	dd->err = 0;
+	if (!test_bit(FLAGS_BUSY, &dd->flags)) {
+		dev_warn(dd->dev, "Interrupt when no active requests.\n");
+		return IRQ_HANDLED;
+	}
+
+	set_bit(FLAGS_OUTPUT_READY, &dd->flags);
 	tasklet_schedule(&dd->done_task);
 
 	return IRQ_HANDLED;
@@ -1102,9 +1103,10 @@ static void omap_sham_dma_callback(int lch, u16 ch_status, void *data)
 	if (ch_status != OMAP_DMA_BLOCK_IRQ) {
 		pr_err("omap-sham DMA error status: 0x%hx\n", ch_status);
 		dd->err = -EIO;
-		dd->flags &= ~FLAGS_INIT; /* request to re-initialize */
+		clear_bit(FLAGS_INIT, &dd->flags);/* request to re-initialize */
 	}
 
+	set_bit(FLAGS_DMA_READY, &dd->flags);
 	tasklet_schedule(&dd->done_task);
 }
 
@@ -1151,7 +1153,6 @@ static int __devinit omap_sham_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&dd->list);
 	spin_lock_init(&dd->lock);
 	tasklet_init(&dd->done_task, omap_sham_done_task, (unsigned long)dd);
-	tasklet_init(&dd->queue_task, omap_sham_queue_task, (unsigned long)dd);
 	crypto_init_queue(&dd->queue, OMAP_SHAM_QUEUE_LENGTH);
 
 	dd->irq = -1;
@@ -1260,7 +1261,6 @@ static int __devexit omap_sham_remove(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(algs); i++)
 		crypto_unregister_ahash(&algs[i]);
 	tasklet_kill(&dd->done_task);
-	tasklet_kill(&dd->queue_task);
 	iounmap(dd->io_base);
 	clk_put(dd->iclk);
 	omap_sham_dma_cleanup(dd);
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 854e2632f9a..8a0bb417aa1 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -1,7 +1,7 @@
 /*
  * talitos - Freescale Integrated Security Engine (SEC) device driver
  *
- * Copyright (c) 2008-2010 Freescale Semiconductor, Inc.
+ * Copyright (c) 2008-2011 Freescale Semiconductor, Inc.
  *
  * Scatterlist Crypto API glue code copied from files with the following:
  * Copyright (c) 2006-2007 Herbert Xu <herbert@gondor.apana.org.au>
@@ -282,6 +282,7 @@ static int init_device(struct device *dev)
 /**
  * talitos_submit - submits a descriptor to the device for processing
  * @dev:	the SEC device to be used
+ * @ch:		the SEC device channel to be used
  * @desc:	the descriptor to be processed by the device
  * @callback:	whom to call when processing is complete
  * @context:	a handle for use by caller (optional)
@@ -290,7 +291,7 @@ static int init_device(struct device *dev)
  * callback must check err and feedback in descriptor header
  * for device processing status.
  */
-static int talitos_submit(struct device *dev, struct talitos_desc *desc,
+static int talitos_submit(struct device *dev, int ch, struct talitos_desc *desc,
 			  void (*callback)(struct device *dev,
 					   struct talitos_desc *desc,
 					   void *context, int error),
@@ -298,15 +299,9 @@ static int talitos_submit(struct device *dev, struct talitos_desc *desc,
 {
 	struct talitos_private *priv = dev_get_drvdata(dev);
 	struct talitos_request *request;
-	unsigned long flags, ch;
+	unsigned long flags;
 	int head;
 
-	/* select done notification */
-	desc->hdr |= DESC_HDR_DONE_NOTIFY;
-
-	/* emulate SEC's round-robin channel fifo polling scheme */
-	ch = atomic_inc_return(&priv->last_chan) & (priv->num_channels - 1);
-
 	spin_lock_irqsave(&priv->chan[ch].head_lock, flags);
 
 	if (!atomic_inc_not_zero(&priv->chan[ch].submit_count)) {
@@ -706,6 +701,7 @@ static void talitos_unregister_rng(struct device *dev)
 
 struct talitos_ctx {
 	struct device *dev;
+	int ch;
 	__be32 desc_hdr_template;
 	u8 key[TALITOS_MAX_KEY_SIZE];
 	u8 iv[TALITOS_MAX_IV_LENGTH];
@@ -1117,7 +1113,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 	map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, 0,
 			       DMA_FROM_DEVICE);
 
-	ret = talitos_submit(dev, desc, callback, areq);
+	ret = talitos_submit(dev, ctx->ch, desc, callback, areq);
 	if (ret != -EINPROGRESS) {
 		ipsec_esp_unmap(dev, edesc, areq);
 		kfree(edesc);
@@ -1382,22 +1378,11 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
 			     const u8 *key, unsigned int keylen)
 {
 	struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
-	struct ablkcipher_alg *alg = crypto_ablkcipher_alg(cipher);
-
-	if (keylen > TALITOS_MAX_KEY_SIZE)
-		goto badkey;
-
-	if (keylen < alg->min_keysize || keylen > alg->max_keysize)
-		goto badkey;
 
 	memcpy(&ctx->key, key, keylen);
 	ctx->keylen = keylen;
 
 	return 0;
-
-badkey:
-	crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
-	return -EINVAL;
 }
 
 static void common_nonsnoop_unmap(struct device *dev,
@@ -1433,7 +1418,6 @@ static void ablkcipher_done(struct device *dev,
 
 static int common_nonsnoop(struct talitos_edesc *edesc,
 			   struct ablkcipher_request *areq,
-			   u8 *giv,
 			   void (*callback) (struct device *dev,
 					     struct talitos_desc *desc,
 					     void *context, int error))
@@ -1453,7 +1437,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
 
 	/* cipher iv */
 	ivsize = crypto_ablkcipher_ivsize(cipher);
-	map_single_talitos_ptr(dev, &desc->ptr[1], ivsize, giv ?: areq->info, 0,
+	map_single_talitos_ptr(dev, &desc->ptr[1], ivsize, areq->info, 0,
 			       DMA_TO_DEVICE);
 
 	/* cipher key */
@@ -1524,7 +1508,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
 	to_talitos_ptr(&desc->ptr[6], 0);
 	desc->ptr[6].j_extent = 0;
 
-	ret = talitos_submit(dev, desc, callback, areq);
+	ret = talitos_submit(dev, ctx->ch, desc, callback, areq);
 	if (ret != -EINPROGRESS) {
 		common_nonsnoop_unmap(dev, edesc, areq);
 		kfree(edesc);
@@ -1556,7 +1540,7 @@ static int ablkcipher_encrypt(struct ablkcipher_request *areq)
 	/* set encrypt */
 	edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT;
 
-	return common_nonsnoop(edesc, areq, NULL, ablkcipher_done);
+	return common_nonsnoop(edesc, areq, ablkcipher_done);
 }
 
 static int ablkcipher_decrypt(struct ablkcipher_request *areq)
@@ -1572,7 +1556,7 @@ static int ablkcipher_decrypt(struct ablkcipher_request *areq)
 
 	edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND;
 
-	return common_nonsnoop(edesc, areq, NULL, ablkcipher_done);
+	return common_nonsnoop(edesc, areq, ablkcipher_done);
 }
 
 static void common_nonsnoop_hash_unmap(struct device *dev,
@@ -1703,7 +1687,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 	/* last DWORD empty */
 	desc->ptr[6] = zero_entry;
 
-	ret = talitos_submit(dev, desc, callback, areq);
+	ret = talitos_submit(dev, ctx->ch, desc, callback, areq);
 	if (ret != -EINPROGRESS) {
 		common_nonsnoop_hash_unmap(dev, edesc, areq);
 		kfree(edesc);
@@ -2244,6 +2228,7 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
 	struct crypto_alg *alg = tfm->__crt_alg;
 	struct talitos_crypto_alg *talitos_alg;
 	struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct talitos_private *priv;
 
 	if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
 		talitos_alg = container_of(__crypto_ahash_alg(alg),
@@ -2256,9 +2241,17 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
 	/* update context with ptr to dev */
 	ctx->dev = talitos_alg->dev;
 
+	/* assign SEC channel to tfm in round-robin fashion */
+	priv = dev_get_drvdata(ctx->dev);
+	ctx->ch = atomic_inc_return(&priv->last_chan) &
+		  (priv->num_channels - 1);
+
 	/* copy descriptor header template value */
 	ctx->desc_hdr_template = talitos_alg->algt.desc_hdr_template;
 
+	/* select done notification */
+	ctx->desc_hdr_template |= DESC_HDR_DONE_NOTIFY;
+
 	return 0;
 }