linux-toradex.git/drivers/crypto/vmx, branch v4.2.6

crypto: vmx - Adding enable_kernel_vsx() to access VSX instructions

2015-09-29T17:33:24+00:00

commit 2d6f0600b2cd755959527230ef5a6fba97bb762a upstream.

vmx-crypto driver make use of some VSX instructions which are
only available if VSX is enabled. Running in cases where VSX
are not enabled vmx-crypto fails in a VSX exception.

In order to fix this enable_kernel_vsx() was added to turn on
VSX instructions for vmx-crypto.

Signed-off-by: Leonidas S. Barbosa 
Signed-off-by: Herbert Xu 
Signed-off-by: Michael Ellerman 
Signed-off-by: Greg Kroah-Hartman

crypto: vmx - Fixing GHASH Key issue on little endian

2015-09-21T17:10:54+00:00

commit 3c5f0ed78e976be705218cad62acf6a68e9d121e upstream.

GHASH table algorithm is using a big endian key.
In little endian machines key will be LE ordered.
After a lxvd2x instruction key is loaded as it is,
LE/BE order, in first case it'll generate a wrong
table resulting in wrong hashes from the algorithm.

Bug affects only LE machines.
In order to fix it we do a swap for loaded key.

Signed-off-by: Leonidas S Barbosa 
Signed-off-by: Herbert Xu 
Signed-off-by: Greg Kroah-Hartman

crypto: vmx - Fixing AES-CTR counter bug

2015-09-21T17:10:54+00:00

commit 1d4aa0b4c1816e8ca92a6aadb0d8f6b43c56c0d0 upstream.

AES-CTR is using a counter 8bytes-8bytes what miss match with
kernel specs.

In the previous code a vadduwm was done to increment counter.
Replacing this for a vadduqm now considering both cases counter
8-8 bytes and full 16bytes.

Signed-off-by: Leonidas S Barbosa 
Signed-off-by: Herbert Xu 
Signed-off-by: Greg Kroah-Hartman

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

2015-06-23T04:04:48+00:00

Pull crypto update from Herbert Xu:
 "Here is the crypto update for 4.2:

  API:

   - Convert RNG interface to new style.

   - New AEAD interface with one SG list for AD and plain/cipher text.
     All external AEAD users have been converted.

   - New asymmetric key interface (akcipher).

  Algorithms:

   - Chacha20, Poly1305 and RFC7539 support.

   - New RSA implementation.

   - Jitter RNG.

   - DRBG is now seeded with both /dev/random and Jitter RNG.  If kernel
     pool isn't ready then DRBG will be reseeded when it is.

   - DRBG is now the default crypto API RNG, replacing krng.

   - 842 compression (previously part of powerpc nx driver).

  Drivers:

   - Accelerated SHA-512 for arm64.

   - New Marvell CESA driver that supports DMA and more algorithms.

   - Updated powerpc nx 842 support.

   - Added support for SEC1 hardware to talitos"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (292 commits)
  crypto: marvell/cesa - remove COMPILE_TEST dependency
  crypto: algif_aead - Temporarily disable all AEAD algorithms
  crypto: af_alg - Forbid the use internal algorithms
  crypto: echainiv - Only hold RNG during initialisation
  crypto: seqiv - Add compatibility support without RNG
  crypto: eseqiv - Offer normal cipher functionality without RNG
  crypto: chainiv - Offer normal cipher functionality without RNG
  crypto: user - Add CRYPTO_MSG_DELRNG
  crypto: user - Move cryptouser.h to uapi
  crypto: rng - Do not free default RNG when it becomes unused
  crypto: skcipher - Allow givencrypt to be NULL
  crypto: sahara - propagate the error on clk_disable_unprepare() failure
  crypto: rsa - fix invalid select for AKCIPHER
  crypto: picoxcell - Update to the current clk API
  crypto: nx - Check for bogus firmware properties
  crypto: marvell/cesa - add DT bindings documentation
  crypto: marvell/cesa - add support for Kirkwood and Dove SoCs
  crypto: marvell/cesa - add support for Orion SoCs
  crypto: marvell/cesa - add allhwsupport module parameter
  crypto: marvell/cesa - add support for all armada SoCs
  ...

crypto: vmx - Reindent to kernel style

2015-06-16T06:35:02+00:00

This patch reidents the vmx code-base to the kernel coding style.

Signed-off-by: Herbert Xu

crypto: vmx - Remove duplicate PPC64 dependency

2015-06-16T06:35:01+00:00

The top-level CRYPTO_DEV_VMX option already depends on PPC64 so
there is no need to depend on it again at CRYPTO_DEV_VMX_ENCRYPT.

This patch also removes a redundant "default n".

Signed-off-by: Herbert Xu

sched/preempt, powerpc: Disable preemption in enable_kernel_altivec() explicitly

2015-05-19T06:39:17+00:00

enable_kernel_altivec() has to be called with disabled preemption.
Let's make this explicit, to prepare for pagefault_disable() not
touching preemption anymore.

Reviewed-and-tested-by: Thomas Gleixner 
Signed-off-by: David Hildenbrand 
Signed-off-by: Peter Zijlstra (Intel) 
Acked-by: Benjamin Herrenschmidt 
Cc: David.Laight@ACULAB.COM
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: bigeasy@linutronix.de
Cc: borntraeger@de.ibm.com
Cc: daniel.vetter@intel.com
Cc: heiko.carstens@de.ibm.com
Cc: herbert@gondor.apana.org.au
Cc: hocko@suse.cz
Cc: hughd@google.com
Cc: mst@redhat.com
Cc: paulus@samba.org
Cc: ralf@linux-mips.org
Cc: schwidefsky@de.ibm.com
Cc: yang.shi@windriver.com
Link: http://lkml.kernel.org/r/1431359540-32227-14-git-send-email-dahi@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar

crypto: vmx - fix two mistyped texts

2015-05-15T06:57:46+00:00

One mistyped description and another mistyped target were corrected.

Signed-off-by: Paulo Flabiano Smorigo 
Signed-off-by: Herbert Xu

linux-next: Tree for Mar 11 (powerpc build failure due to vmx crypto code)

2015-03-12T10:18:00+00:00

crypto: vmx - Fix assembler perl to use _GLOBAL

Rather than doing things by hand for global symbols to deal with
different calling conventions we already have a macro _GLOBAL in
Linux to handle this.

Signed-off-by: Herbert Xu 
Tested-by: Guenter Roeck

crypto: vmx - Enabling VMX module for PPC64

2015-02-28T10:13:46+00:00

This patch enables VMX module in PPC64.

Signed-off-by: Leonidas S. Barbosa 
Signed-off-by: Herbert Xu