Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "Algorithms:
   - add private key generation to ecdh

  Drivers:
   - add generic gcm(aes) to aesni-intel
   - add SafeXcel EIP197 crypto engine driver
   - add ecb(aes), cfb(aes) and ecb(des3_ede) to cavium
   - add support for CNN55XX adapters in cavium
   - add ctr mode to chcr
   - add support for gcm(aes) to omap"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (140 commits)
  crypto: testmgr - Reenable sha1/aes in FIPS mode
  crypto: ccp - Release locks before returning
  crypto: cavium/nitrox - dma_mapping_error() returns bool
  crypto: doc - fix typo in docs
  Documentation/bindings: Document the SafeXel cryptographic engine driver
  crypto: caam - fix gfp allocation flags (part II)
  crypto: caam - fix gfp allocation flags (part I)
  crypto: drbg - Fixes panic in wait_for_completion call
  crypto: caam - make of_device_ids const.
  crypto: vmx - remove unnecessary check
  crypto: n2 - make of_device_ids const
  crypto: inside-secure - use the base_end pointer in ring rollback
  crypto: inside-secure - increase the batch size
  crypto: inside-secure - only dequeue when needed
  crypto: inside-secure - get the backlog before dequeueing the request
  crypto: inside-secure - stop requeueing failed requests
  crypto: inside-secure - use one queue per hw ring
  crypto: inside-secure - update the context and request later
  crypto: inside-secure - align the cipher and hash send functions
  crypto: inside-secure - optimize DSE bufferability control
  ...

79 files changed, 11731 insertions, 1137 deletions

diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c
index df8eb54fd5a3..8da7bcf54105 100644
--- a/drivers/char/hw_random/mtk-rng.c
+++ b/drivers/char/hw_random/mtk-rng.c
@@ -25,6 +25,10 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+/* Runtime PM autosuspend timeout: */
+#define RNG_AUTOSUSPEND_TIMEOUT		100
 
 #define USEC_POLL			2
 #define TIMEOUT_POLL			20
@@ -90,6 +94,8 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
 	struct mtk_rng *priv = to_mtk_rng(rng);
 	int retval = 0;
 
+	pm_runtime_get_sync((struct device *)priv->rng.priv);
+
 	while (max >= sizeof(u32)) {
 		if (!mtk_rng_wait_ready(rng, wait))
 			break;
@@ -100,6 +106,9 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
 		max -= sizeof(u32);
 	}
 
+	pm_runtime_mark_last_busy((struct device *)priv->rng.priv);
+	pm_runtime_put_sync_autosuspend((struct device *)priv->rng.priv);
+
 	return retval || !wait ? retval : -EIO;
 }
 
@@ -120,9 +129,12 @@ static int mtk_rng_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	priv->rng.name = pdev->name;
+#ifndef CONFIG_PM
 	priv->rng.init = mtk_rng_init;
 	priv->rng.cleanup = mtk_rng_cleanup;
+#endif
 	priv->rng.read = mtk_rng_read;
+	priv->rng.priv = (unsigned long)&pdev->dev;
 
 	priv->clk = devm_clk_get(&pdev->dev, "rng");
 	if (IS_ERR(priv->clk)) {
@@ -142,11 +154,40 @@ static int mtk_rng_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	dev_set_drvdata(&pdev->dev, priv);
+	pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT);
+	pm_runtime_use_autosuspend(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+
 	dev_info(&pdev->dev, "registered RNG driver\n");
 
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int mtk_rng_runtime_suspend(struct device *dev)
+{
+	struct mtk_rng *priv = dev_get_drvdata(dev);
+
+	mtk_rng_cleanup(&priv->rng);
+
+	return 0;
+}
+
+static int mtk_rng_runtime_resume(struct device *dev)
+{
+	struct mtk_rng *priv = dev_get_drvdata(dev);
+
+	return mtk_rng_init(&priv->rng);
+}
+
+static UNIVERSAL_DEV_PM_OPS(mtk_rng_pm_ops, mtk_rng_runtime_suspend,
+			    mtk_rng_runtime_resume, NULL);
+#define MTK_RNG_PM_OPS (&mtk_rng_pm_ops)
+#else	/* CONFIG_PM */
+#define MTK_RNG_PM_OPS NULL
+#endif	/* CONFIG_PM */
+
 static const struct of_device_id mtk_rng_match[] = {
 	{ .compatible = "mediatek,mt7623-rng" },
 	{},
@@ -157,6 +198,7 @@ static struct platform_driver mtk_rng_driver = {
 	.probe          = mtk_rng_probe,
 	.driver = {
 		.name = MTK_RNG_DEV,
+		.pm = MTK_RNG_PM_OPS,
 		.of_match_table = mtk_rng_match,
 	},
 };
diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
index 37a58d78aab3..38b719017186 100644
--- a/drivers/char/hw_random/omap3-rom-rng.c
+++ b/drivers/char/hw_random/omap3-rom-rng.c
@@ -53,7 +53,10 @@ static int omap3_rom_rng_get_random(void *buf, unsigned int count)
 
 	cancel_delayed_work_sync(&idle_work);
 	if (rng_idle) {
-		clk_prepare_enable(rng_clk);
+		r = clk_prepare_enable(rng_clk);
+		if (r)
+			return r;
+
 		r = omap3_rom_rng_call(0, 0, RNG_GEN_PRNG_HW_INIT);
 		if (r != 0) {
 			clk_disable_unprepare(rng_clk);
@@ -88,6 +91,8 @@ static struct hwrng omap3_rom_rng_ops = {
 
 static int omap3_rom_rng_probe(struct platform_device *pdev)
 {
+	int ret = 0;
+
 	pr_info("initializing\n");
 
 	omap3_rom_rng_call = pdev->dev.platform_data;
@@ -104,7 +109,9 @@ static int omap3_rom_rng_probe(struct platform_device *pdev)
 	}
 
 	/* Leave the RNG in reset state. */
-	clk_prepare_enable(rng_clk);
+	ret = clk_prepare_enable(rng_clk);
+	if (ret)
+		return ret;
 	omap3_rom_rng_idle(0);
 
 	return hwrng_register(&omap3_rom_rng_ops);
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index a0faa5f05deb..03ff5483d865 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -151,8 +151,15 @@ static int timeriomem_rng_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev, "missing period\n");
 			return -EINVAL;
 		}
+
+		if (!of_property_read_u32(pdev->dev.of_node,
+						"quality", &i))
+			priv->rng_ops.quality = i;
+		else
+			priv->rng_ops.quality = 0;
 	} else {
 		period = pdata->period;
+		priv->rng_ops.quality = pdata->quality;
 	}
 
 	priv->period = ns_to_ktime(period * NSEC_PER_USEC);
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 9c7951bb05ac..193204dfbf3a 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -327,6 +327,15 @@ config HW_RANDOM_PPC4XX
 	 This option provides the kernel-side support for the TRNG hardware
 	 found in the security function of some PowerPC 4xx SoCs.
 
+config CRYPTO_DEV_OMAP
+	tristate "Support for OMAP crypto HW accelerators"
+	depends on ARCH_OMAP2PLUS
+	help
+	  OMAP processors have various crypto HW accelerators. Select this if
+          you want to use the OMAP modules for any of the crypto algorithms.
+
+if CRYPTO_DEV_OMAP
+
 config CRYPTO_DEV_OMAP_SHAM
 	tristate "Support for OMAP MD5/SHA1/SHA2 hw accelerator"
 	depends on ARCH_OMAP2PLUS
@@ -348,6 +357,7 @@ config CRYPTO_DEV_OMAP_AES
 	select CRYPTO_CBC
 	select CRYPTO_ECB
 	select CRYPTO_CTR
+	select CRYPTO_AEAD
 	help
 	  OMAP processors have AES module accelerator. Select this if you
 	  want to use the OMAP module for AES algorithms.
@@ -364,6 +374,8 @@ config CRYPTO_DEV_OMAP_DES
 	  the ECB and CBC modes of operation are supported by the driver. Also
 	  accesses made on unaligned boundaries are supported.
 
+endif # CRYPTO_DEV_OMAP
+
 config CRYPTO_DEV_PICOXCELL
 	tristate "Support for picoXcell IPSEC and Layer2 crypto engines"
 	depends on (ARCH_PICOXCELL || COMPILE_TEST) && HAVE_CLK
@@ -542,6 +554,7 @@ config CRYPTO_DEV_MXS_DCP
 
 source "drivers/crypto/qat/Kconfig"
 source "drivers/crypto/cavium/cpt/Kconfig"
+source "drivers/crypto/cavium/nitrox/Kconfig"
 
 config CRYPTO_DEV_CAVIUM_ZIP
 	tristate "Cavium ZIP driver"
@@ -656,4 +669,21 @@ config CRYPTO_DEV_BCM_SPU
 
 source "drivers/crypto/stm32/Kconfig"
 
+config CRYPTO_DEV_SAFEXCEL
+	tristate "Inside Secure's SafeXcel cryptographic engine driver"
+	depends on HAS_DMA && OF
+	depends on (ARM64 && ARCH_MVEBU) || (COMPILE_TEST && 64BIT)
+	select CRYPTO_AES
+	select CRYPTO_BLKCIPHER
+	select CRYPTO_HASH
+	select CRYPTO_HMAC
+	select CRYPTO_SHA1
+	select CRYPTO_SHA256
+	select CRYPTO_SHA512
+	help
+	  This driver interfaces with the SafeXcel EIP-197 cryptographic engine
+	  designed by Inside Secure. Select this if you want to use CBC/ECB
+	  chain mode, AES cipher mode and SHA1/SHA224/SHA256/SHA512 hash
+	  algorithms.
+
 endif # CRYPTO_HW
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index 463f33592d93..2c555a3393b2 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_CRYPTO_DEV_CAVIUM_ZIP) += cavium/
 obj-$(CONFIG_CRYPTO_DEV_CCP) += ccp/
 obj-$(CONFIG_CRYPTO_DEV_CHELSIO) += chelsio/
 obj-$(CONFIG_CRYPTO_DEV_CPT) += cavium/cpt/
+obj-$(CONFIG_CRYPTO_DEV_NITROX) += cavium/nitrox/
 obj-$(CONFIG_CRYPTO_DEV_EXYNOS_RNG) += exynos-rng.o
 obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM) += caam/
 obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
@@ -20,7 +21,9 @@ obj-$(CONFIG_CRYPTO_DEV_MXC_SCC) += mxc-scc.o
 obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o
 n2_crypto-y := n2_core.o n2_asm.o
 obj-$(CONFIG_CRYPTO_DEV_NX) += nx/
-obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
+obj-$(CONFIG_CRYPTO_DEV_OMAP) += omap-crypto.o
+obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes-driver.o
+omap-aes-driver-objs := omap-aes.o omap-aes-gcm.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_DES) += omap-des.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
@@ -39,3 +42,4 @@ obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/
 obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio/
 obj-$(CONFIG_CRYPTO_DEV_VMX) += vmx/
 obj-$(CONFIG_CRYPTO_DEV_BCM_SPU) += bcm/
+obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += inside-secure/
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index fdc83a2281ca..65dc78b91dea 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1179,6 +1179,7 @@ static int crypto4xx_probe(struct platform_device *ofdev)
 	dev_set_drvdata(dev, core_dev);
 	core_dev->ofdev = ofdev;
 	core_dev->dev = kzalloc(sizeof(struct crypto4xx_device), GFP_KERNEL);
+	rc = -ENOMEM;
 	if (!core_dev->dev)
 		goto err_alloc_dev;
 
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index cc0d5b98006e..9cfd36c1bcb6 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -36,6 +36,7 @@
 #include <crypto/internal/aead.h>
 #include <crypto/aes.h>
 #include <crypto/des.h>
+#include <crypto/hmac.h>
 #include <crypto/sha.h>
 #include <crypto/md5.h>
 #include <crypto/authenc.h>
@@ -2510,8 +2511,8 @@ static int ahash_hmac_setkey(struct crypto_ahash *ahash, const u8 *key,
 		memcpy(ctx->opad, ctx->ipad, blocksize);
 
 		for (index = 0; index < blocksize; index++) {
-			ctx->ipad[index] ^= 0x36;
-			ctx->opad[index] ^= 0x5c;
+			ctx->ipad[index] ^= HMAC_IPAD_VALUE;
+			ctx->opad[index] ^= HMAC_OPAD_VALUE;
 		}
 
 		flow_dump("  ipad: ", ctx->ipad, blocksize);
@@ -2638,7 +2639,7 @@ static int aead_need_fallback(struct aead_request *req)
 	    (spu->spu_type == SPU_TYPE_SPUM) &&
 	    (ctx->digestsize != 8) && (ctx->digestsize != 12) &&
 	    (ctx->digestsize != 16)) {
-		flow_log("%s() AES CCM needs fallbck for digest size %d\n",
+		flow_log("%s() AES CCM needs fallback for digest size %d\n",
 			 __func__, ctx->digestsize);
 		return 1;
 	}
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 398807d1b77e..fde399c88779 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1187,8 +1187,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
 	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;
+	gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
 	struct aead_edesc *edesc;
 	int sec4_sg_index, sec4_sg_len, sec4_sg_bytes;
@@ -1475,8 +1475,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
 	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_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
 		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
 	struct ablkcipher_edesc *edesc;
@@ -1681,8 +1680,7 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc(
 	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_t flags = (req->base.flags &  CRYPTO_TFM_REQ_MAY_SLEEP) ?
 		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents;
 	struct ablkcipher_edesc *edesc;
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c
index ea0e5b8b9171..78c4c0485c58 100644
--- a/drivers/crypto/caam/caamalg_qi.c
+++ b/drivers/crypto/caam/caamalg_qi.c
@@ -555,8 +555,8 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
 	struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
 						 typeof(*alg), aead);
 	struct device *qidev = ctx->qidev;
-	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
-		       CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC;
+	gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
 	struct aead_edesc *edesc;
 	dma_addr_t qm_sg_dma, iv_dma = 0;
@@ -808,8 +808,7 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
 	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
 	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
 	struct device *qidev = ctx->qidev;
-	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
-					  CRYPTO_TFM_REQ_MAY_SLEEP)) ?
+	gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
 		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
 	struct ablkcipher_edesc *edesc;
@@ -953,8 +952,7 @@ static struct ablkcipher_edesc *ablkcipher_giv_edesc_alloc(
 	struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
 	struct caam_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
 	struct device *qidev = ctx->qidev;
-	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
-					  CRYPTO_TFM_REQ_MAY_SLEEP)) ?
+	gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
 		       GFP_KERNEL : GFP_ATOMIC;
 	int src_nents, mapped_src_nents, dst_nents, mapped_dst_nents;
 	struct ablkcipher_edesc *edesc;
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index da4f94eab3da..7c44c90ad593 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -719,8 +719,8 @@ static int ahash_update_ctx(struct ahash_request *req)
 	struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
 	struct caam_hash_state *state = ahash_request_ctx(req);
 	struct device *jrdev = ctx->jrdev;
-	gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |