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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6 into next

Browse source 
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 3.16:

   - Added test vectors for SHA/AES-CCM/DES-CBC/3DES-CBC.
   - Fixed a number of error-path memory leaks in tcrypt.
   - Fixed error-path memory leak in caam.
   - Removed unnecessary global mutex from mxs-dcp.
   - Added ahash walk interface that can actually be asynchronous.
   - Cleaned up caam error reporting.
   - Allow crypto_user get operation to be used by non-root users.
   - Add support for SSS module on Exynos.
   - Misc fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6: (60 commits)
  crypto: testmgr - add aead cbc des, des3_ede tests
  crypto: testmgr - Fix DMA-API warning
  crypto: cesa - tfm->__crt_alg->cra_type directly
  crypto: sahara - tfm->__crt_alg->cra_name directly
  crypto: padlock - tfm->__crt_alg->cra_name directly
  crypto: n2 - tfm->__crt_alg->cra_name directly
  crypto: dcp - tfm->__crt_alg->cra_name directly
  crypto: cesa - tfm->__crt_alg->cra_name directly
  crypto: ccp - tfm->__crt_alg->cra_name directly
  crypto: geode - Don't use tfm->__crt_alg->cra_name directly
  crypto: geode - Weed out printk() from probe()
  crypto: geode - Consistently use AES_KEYSIZE_128
  crypto: geode - Kill AES_IV_LENGTH
  crypto: geode - Kill AES_MIN_BLOCK_SIZE
  crypto: mxs-dcp - Remove global mutex
  crypto: hash - Add real ahash walk interface
  hwrng: n2-drv - Introduce the use of the managed version of kzalloc
  crypto: caam - reinitialize keys_fit_inline for decrypt and givencrypt
  crypto: s5p-sss - fix multiplatform build
  hwrng: timeriomem - remove unnecessary OOM messages
  ...
This commit is contained in:
Linus Torvalds 2014-06-07 19:44:40 -07:00
commit 639b4ac691
37 changed files with 2369 additions and 746 deletions
Download patch file Download diff file Expand all files Collapse all files

189
drivers/char/hw_random/Kconfig
View file

@ -2,7 +2,7 @@
# Hardware Random Number Generator (RNG) configuration
#
config HW_RANDOM
menuconfig HW_RANDOM
tristate "Hardware Random Number Generator Core support"
default m
---help---
@ -20,9 +20,11 @@ config HW_RANDOM
If unsure, say Y.
if HW_RANDOM
config HW_RANDOM_TIMERIOMEM
tristate "Timer IOMEM HW Random Number Generator support"
depends on HW_RANDOM && HAS_IOMEM
depends on HAS_IOMEM
---help---
This driver provides kernel-side support for a generic Random
Number Generator used by reading a 'dumb' iomem address that
@ -36,7 +38,7 @@ config HW_RANDOM_TIMERIOMEM
config HW_RANDOM_INTEL
tristate "Intel HW Random Number Generator support"
depends on HW_RANDOM && (X86 || IA64) && PCI
depends on (X86 || IA64) && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -49,7 +51,7 @@ config HW_RANDOM_INTEL
config HW_RANDOM_AMD
tristate "AMD HW Random Number Generator support"
depends on HW_RANDOM && (X86 || PPC_MAPLE) && PCI
depends on (X86 || PPC_MAPLE) && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -62,8 +64,8 @@ config HW_RANDOM_AMD
config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
depends on HW_RANDOM && HAVE_CLK
default (HW_RANDOM && ARCH_AT91)
depends on ARCH_AT91 && HAVE_CLK
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Atmel AT91 devices.
@ -75,7 +77,7 @@ config HW_RANDOM_ATMEL
config HW_RANDOM_BCM63XX
tristate "Broadcom BCM63xx Random Number Generator support"
depends on HW_RANDOM && BCM63XX
depends on BCM63XX
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -88,7 +90,7 @@ config HW_RANDOM_BCM63XX
config HW_RANDOM_BCM2835
tristate "Broadcom BCM2835 Random Number Generator support"
depends on HW_RANDOM && ARCH_BCM2835
depends on ARCH_BCM2835
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -101,7 +103,7 @@ config HW_RANDOM_BCM2835
config HW_RANDOM_GEODE
tristate "AMD Geode HW Random Number Generator support"
depends on HW_RANDOM && X86_32 && PCI
depends on X86_32 && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -114,7 +116,7 @@ config HW_RANDOM_GEODE
config HW_RANDOM_N2RNG
tristate "Niagara2 Random Number Generator support"
depends on HW_RANDOM && SPARC64
depends on SPARC64
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -127,7 +129,7 @@ config HW_RANDOM_N2RNG
config HW_RANDOM_VIA
tristate "VIA HW Random Number Generator support"
depends on HW_RANDOM && X86
depends on X86
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -140,7 +142,7 @@ config HW_RANDOM_VIA
config HW_RANDOM_IXP4XX
tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support"
depends on HW_RANDOM && ARCH_IXP4XX
depends on ARCH_IXP4XX
default HW_RANDOM
---help---
This driver provides kernel-side support for the Pseudo-Random
@ -153,7 +155,7 @@ config HW_RANDOM_IXP4XX
config HW_RANDOM_OMAP
tristate "OMAP Random Number Generator support"
depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -167,7 +169,7 @@ config HW_RANDOM_OMAP
config HW_RANDOM_OMAP3_ROM
tristate "OMAP3 ROM Random Number Generator support"
depends on HW_RANDOM && ARCH_OMAP3
depends on ARCH_OMAP3
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -180,7 +182,7 @@ config HW_RANDOM_OMAP3_ROM
config HW_RANDOM_OCTEON
tristate "Octeon Random Number Generator support"
depends on HW_RANDOM && CAVIUM_OCTEON_SOC
depends on CAVIUM_OCTEON_SOC
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -193,7 +195,7 @@ config HW_RANDOM_OCTEON
config HW_RANDOM_PASEMI
tristate "PA Semi HW Random Number Generator support"
depends on HW_RANDOM && PPC_PASEMI
depends on PPC_PASEMI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -206,7 +208,7 @@ config HW_RANDOM_PASEMI
config HW_RANDOM_VIRTIO
tristate "VirtIO Random Number Generator support"
depends on HW_RANDOM && VIRTIO
depends on VIRTIO
---help---
This driver provides kernel-side support for the virtual Random Number
Generator hardware.
@ -216,7 +218,7 @@ config HW_RANDOM_VIRTIO
config HW_RANDOM_TX4939
tristate "TX4939 Random Number Generator support"
depends on HW_RANDOM && SOC_TX4939
depends on SOC_TX4939
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@ -229,7 +231,8 @@ config HW_RANDOM_TX4939
config HW_RANDOM_MXC_RNGA
tristate "Freescale i.MX RNGA Random Number Generator"
depends on HW_RANDOM && ARCH_HAS_RNGA
depends on ARCH_HAS_RNGA
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Freescale i.MX processors.
@ -241,7 +244,8 @@ config HW_RANDOM_MXC_RNGA
config HW_RANDOM_NOMADIK
tristate "ST-Ericsson Nomadik Random Number Generator support"
depends on HW_RANDOM && ARCH_NOMADIK
depends on ARCH_NOMADIK
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on ST-Ericsson SoCs (8815 and 8500).
@ -251,21 +255,10 @@ config HW_RANDOM_NOMADIK
If unsure, say Y.
config HW_RANDOM_PICOXCELL
tristate "Picochip picoXcell true random number generator support"
depends on HW_RANDOM && ARCH_PICOXCELL && PICOXCELL_PC3X3
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Picochip PC3x3 and later devices.
To compile this driver as a module, choose M here: the
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
depends on PPC && 4xx
default HW_RANDOM
---help---
This driver provides the kernel-side support for the TRNG hardware
found in the security function of some PowerPC 4xx SoCs.
@ -275,6 +268,73 @@ config HW_RANDOM_PPC4XX
If unsure, say N.
config HW_RANDOM_PSERIES
tristate "pSeries HW Random Number Generator support"
depends on PPC64 && IBMVIO
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on POWER7+ machines and above
To compile this driver as a module, choose M here: the
module will be called pseries-rng.
If unsure, say Y.
config HW_RANDOM_POWERNV
tristate "PowerNV Random Number Generator support"
depends on PPC_POWERNV
default HW_RANDOM
---help---
This is the driver for Random Number Generator hardware found
in POWER7+ and above machines for PowerNV platform.
To compile this driver as a module, choose M here: the
module will be called powernv-rng.
If unsure, say Y.
config HW_RANDOM_EXYNOS
tristate "EXYNOS HW random number generator support"
depends on ARCH_EXYNOS
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on EXYNOS SOCs.
To compile this driver as a module, choose M here: the
module will be called exynos-rng.
If unsure, say Y.
config HW_RANDOM_TPM
tristate "TPM HW Random Number Generator support"
depends on TCG_TPM
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator in the Trusted Platform Module
To compile this driver as a module, choose M here: the
module will be called tpm-rng.
If unsure, say Y.
config HW_RANDOM_MSM
tristate "Qualcomm SoCs Random Number Generator support"
depends on HW_RANDOM && ARCH_QCOM
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Qualcomm SoCs.
To compile this driver as a module, choose M here. the
module will be called msm-rng.
If unsure, say Y.
endif # HW_RANDOM
config UML_RANDOM
depends on UML
tristate "Hardware random number generator"
@ -289,66 +349,3 @@ config UML_RANDOM
(check your distro, or download from
http://sourceforge.net/projects/gkernel/). rngd periodically reads
/dev/hwrng and injects the entropy into /dev/random.
config HW_RANDOM_PSERIES
tristate "pSeries HW Random Number Generator support"
depends on HW_RANDOM && PPC64 && IBMVIO
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on POWER7+ machines and above
To compile this driver as a module, choose M here: the
module will be called pseries-rng.
If unsure, say Y.
config HW_RANDOM_POWERNV
tristate "PowerNV Random Number Generator support"
depends on HW_RANDOM && PPC_POWERNV
default HW_RANDOM
---help---
This is the driver for Random Number Generator hardware found
in POWER7+ and above machines for PowerNV platform.
To compile this driver as a module, choose M here: the
module will be called powernv-rng.
If unsure, say Y.
config HW_RANDOM_EXYNOS
tristate "EXYNOS HW random number generator support"
depends on HW_RANDOM && HAS_IOMEM && HAVE_CLK
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on EXYNOS SOCs.
To compile this driver as a module, choose M here: the
module will be called exynos-rng.
If unsure, say Y.
config HW_RANDOM_TPM
tristate "TPM HW Random Number Generator support"
depends on HW_RANDOM && TCG_TPM
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator in the Trusted Platform Module
To compile this driver as a module, choose M here: the
module will be called tpm-rng.
If unsure, say Y.
config HW_RANDOM_MSM
tristate "Qualcomm SoCs Random Number Generator support"
depends on HW_RANDOM && ARCH_QCOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Qualcomm SoCs.
To compile this driver as a module, choose M here. the
module will be called msm-rng.
If unsure, say Y.

1
drivers/char/hw_random/Makefile
View file

@ -22,7 +22,6 @@ obj-$(CONFIG_HW_RANDOM_TX4939) += tx4939-rng.o
obj-$(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
obj-$(CONFIG_HW_RANDOM_PSERIES) += pseries-rng.o
obj-$(CONFIG_HW_RANDOM_POWERNV) += powernv-rng.o

24
drivers/char/hw_random/n2-drv.c
View file

@ -632,7 +632,7 @@ static int n2rng_probe(struct platform_device *op)
multi_capable = (match->data != NULL);
n2rng_driver_version();
np = kzalloc(sizeof(*np), GFP_KERNEL);
np = devm_kzalloc(&op->dev, sizeof(*np), GFP_KERNEL);
if (!np)
goto out;
np->op = op;
@ -653,7 +653,7 @@ static int n2rng_probe(struct platform_device *op)
&np->hvapi_minor)) {
dev_err(&op->dev, "Cannot register suitable "
"HVAPI version.\n");
goto out_free;
goto out;
}
}
@ -676,15 +676,16 @@ static int n2rng_probe(struct platform_device *op)
dev_info(&op->dev, "Registered RNG HVAPI major %lu minor %lu\n",
np->hvapi_major, np->hvapi_minor);
np->units = kzalloc(sizeof(struct n2rng_unit) * np->num_units,
GFP_KERNEL);
np->units = devm_kzalloc(&op->dev,
sizeof(struct n2rng_unit) * np->num_units,
GFP_KERNEL);
err = -ENOMEM;
if (!np->units)
goto out_hvapi_unregister;
err = n2rng_init_control(np);
if (err)
goto out_free_units;
goto out_hvapi_unregister;
dev_info(&op->dev, "Found %s RNG, units: %d\n",
((np->flags & N2RNG_FLAG_MULTI) ?
@ -697,7 +698,7 @@ static int n2rng_probe(struct platform_device *op)
err = hwrng_register(&np->hwrng);
if (err)
goto out_free_units;
goto out_hvapi_unregister;
platform_set_drvdata(op, np);
@ -705,15 +706,9 @@ static int n2rng_probe(struct platform_device *op)
return 0;
out_free_units:
kfree(np->units);
np->units = NULL;
out_hvapi_unregister:
sun4v_hvapi_unregister(HV_GRP_RNG);
out_free:
kfree(np);
out:
return err;
}
@ -730,11 +725,6 @@ static int n2rng_remove(struct platform_device *op)
sun4v_hvapi_unregister(HV_GRP_RNG);
kfree(np->units);
np->units = NULL;
kfree(np);
return 0;
}

4
drivers/char/hw_random/omap-rng.c
View file

@ -369,10 +369,8 @@ static int omap_rng_probe(struct platform_device *pdev)
int ret;
priv = devm_kzalloc(dev, sizeof(struct omap_rng_dev), GFP_KERNEL);
if (!priv) {
dev_err(&pdev->dev, "could not allocate memory\n");
if (!priv)
return -ENOMEM;
};
omap_rng_ops.priv = (unsigned long)priv;
platform_set_drvdata(pdev, priv);

181
drivers/char/hw_random/picoxcell-rng.c
View file

@ -1,181 +0,0 @@
/*
* Copyright (c) 2010-2011 Picochip Ltd., Jamie Iles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* All enquiries to support@picochip.com
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/hw_random.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#define DATA_REG_OFFSET 0x0200
#define CSR_REG_OFFSET 0x0278
#define CSR_OUT_EMPTY_MASK (1 << 24)
#define CSR_FAULT_MASK (1 << 1)
#define TRNG_BLOCK_RESET_MASK (1 << 0)
#define TAI_REG_OFFSET 0x0380
/*
* The maximum amount of time in microseconds to spend waiting for data if the
* core wants us to wait. The TRNG should generate 32 bits every 320ns so a
* timeout of 20us seems reasonable. The TRNG does builtin tests of the data
* for randomness so we can't always assume there is data present.
*/
#define PICO_TRNG_TIMEOUT 20
static void __iomem *rng_base;
static struct clk *rng_clk;
static struct device *rng_dev;
static inline u32 picoxcell_trng_read_csr(void)
{
return __raw_readl(rng_base + CSR_REG_OFFSET);
}
static inline bool picoxcell_trng_is_empty(void)
{
return picoxcell_trng_read_csr() & CSR_OUT_EMPTY_MASK;
}
/*
* Take the random number generator out of reset and make sure the interrupts
* are masked. We shouldn't need to get large amounts of random bytes so just
* poll the status register. The hardware generates 32 bits every 320ns so we
* shouldn't have to wait long enough to warrant waiting for an IRQ.
*/
static void picoxcell_trng_start(void)
{
__raw_writel(0, rng_base + TAI_REG_OFFSET);
__raw_writel(0, rng_base + CSR_REG_OFFSET);
}
static void picoxcell_trng_reset(void)
{
__raw_writel(TRNG_BLOCK_RESET_MASK, rng_base + CSR_REG_OFFSET);
__raw_writel(TRNG_BLOCK_RESET_MASK, rng_base + TAI_REG_OFFSET);
picoxcell_trng_start();
}
/*
* Get some random data from the random number generator. The hw_random core
* layer provides us with locking.
*/
static int picoxcell_trng_read(struct hwrng *rng, void *buf, size_t max,
bool wait)
{
int i;
/* Wait for some data to become available. */
for (i = 0; i < PICO_TRNG_TIMEOUT && picoxcell_trng_is_empty(); ++i) {
if (!wait)
return 0;
udelay(1);
}
if (picoxcell_trng_read_csr() & CSR_FAULT_MASK) {
dev_err(rng_dev, "fault detected, resetting TRNG\n");
picoxcell_trng_reset();
return -EIO;
}
if (i == PICO_TRNG_TIMEOUT)
return 0;
*(u32 *)buf = __raw_readl(rng_base + DATA_REG_OFFSET);
return sizeof(u32);
}
static struct hwrng picoxcell_trng = {
.name = "picoxcell",
.read = picoxcell_trng_read,
};
static int picoxcell_trng_probe(struct platform_device *pdev)
{
int ret;
struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rng_base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(rng_base))
return PTR_ERR(rng_base);
rng_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(rng_clk)) {
dev_warn(&pdev->dev, "no clk\n");
return PTR_ERR(rng_clk);
}
ret = clk_enable(rng_clk);
if (ret) {
dev_warn(&pdev->dev, "unable to enable clk\n");
return ret;
}
picoxcell_trng_start();
ret = hwrng_register(&picoxcell_trng);
if (ret)
goto err_register;
rng_dev = &pdev->dev;
dev_info(&pdev->dev, "pixoxcell random number generator active\n");
return 0;
err_register:
clk_disable(rng_clk);
return ret;
}
static int picoxcell_trng_remove(struct platform_device *pdev)
{
hwrng_unregister(&picoxcell_trng);
clk_disable(rng_clk);
return 0;
}
#ifdef CONFIG_PM
static int picoxcell_trng_suspend(struct device *dev)
{
clk_disable(rng_clk);
return 0;
}
static int picoxcell_trng_resume(struct device *dev)
{
return clk_enable(rng_clk);
}
static const struct dev_pm_ops picoxcell_trng_pm_ops = {
.suspend = picoxcell_trng_suspend,
.resume = picoxcell_trng_resume,
};
#endif /* CONFIG_PM */
static struct platform_driver picoxcell_trng_driver = {
.probe = picoxcell_trng_probe,
.remove = picoxcell_trng_remove,
.driver = {
.name = "picoxcell-trng",
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &picoxcell_trng_pm_ops,
#endif /* CONFIG_PM */
},
};
module_platform_driver(picoxcell_trng_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jamie Iles");
MODULE_DESCRIPTION("Picochip picoXcell TRNG driver");

4
drivers/char/hw_random/timeriomem-rng.c
View file

@ -120,10 +120,8 @@ static int timeriomem_rng_probe(struct platform_device *pdev)
/* Allocate memory for the device structure (and zero it) */
priv = devm_kzalloc(&pdev->dev,
sizeof(struct timeriomem_rng_private_data), GFP_KERNEL);
if (!priv) {
dev_err(&pdev->dev, "failed to allocate device structure.\n");
if (!priv)
return -ENOMEM;
}
platform_set_drvdata(pdev, priv);