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The system PM functions were unused when CONFIG_PM is unset. Let's move
them inside CONFIG_PM_SLEEP to silence the compiler warning.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The system PM functions were unused when CONFIG_PM is unset. Let's move
them inside CONFIG_PM_SLEEP to silence the compiler warning.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The error code returned by hardware is four bits wide with an expected
zero MSB. A hardware error condition where the error code can get between
0x8 and 0xf will trigger an out of bound array access on the error
message table.
This patch fixes the invalid array access following such an error and
reports the condition.
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for one-shot givencrypt algorithms.
Givencrypt algorithms will generate their IV and encrypt data
within the same shared job descriptors.
Current algorithms merged from ablkcipher to givencrypt are:
- AES Cipher Block Chaining (CBC)
- AES Counter Mode (CTR) compliant with RFC3686
Signed-off-by: Catalin Vasile <catalin.vasile@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for AES Counter Mode (CTR) compliant with RFC3686 to be
used along with authenc algorithms (md5, sha1, sha224, sha256, sha384,
sha512) as one-shot aead algorithms.
Signed-off-by: Catalin Vasile <catalin.vasile@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for Advanced Encryption Standard (AES) in Counter Mode (CTR)
as provided in IPsec implementation standard RFC3686.
ablkcipher shared descriptors now save context registers after job
execution. This is used to load Nonce specific to RFC3686 only at
first execution of shared job descriptor.
Signed-off-by: Catalin Vasile <catalin.vasile@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for AES working in Counter Mode
Signed-off-by: Catalin Vasile <catalin.vasile@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add AES-GMAC as an IPSec ESP mechanism to provide
data origin authentication, but not confidentiality.
This method is referred as ENCR_NULL_AUTH_AES_GMAC.
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
e.g.: in the worst case we could have one sg entry for a single byte.
This patch fixes it modifying the logic of the bound limit
moving it to nx_sg_build_lists and set a correct sg_max limit,
adding a trim function to ensure the bound in sg_list. Also fixing
nx_build_sg_list NULL and untreated return in case of overflow.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
NX SHA algorithms stores the message digest into tfm what
cause a concurrence issue where hashes may be replaced by others.
This patch cleans up the cases where it's handling unnecessarily shared
variables in nx context and copies the current msg digest to a sctx->state
in order to safetly handle with the hashe's state.
Also fixes and does some clean ups regarding the right sg max limit
and bounds to the sg list avoind a memory crash.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
This patch removes the old logic and replaces it into nx_sg_build_lists
in order to build a correct nx_sg list using the correct sg_max limit
and bounds.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
This patch removes the old logic and replace it into nx_sg_build_lists
in order to build a correct nx_sg list using the correct sg_max limit
and bounds.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
This patch removes the old logic and replaces it into nx_sg_build_lists
in order to build a correct nx_sg list using the correct sg_max limit
and bounds.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
- This patch removes the old logic and replaces it into nx_sg_build_lists
in order to build a correct nx_sg list using the correct sg_max limit
and bounds.
IV vector was not set correctly to zero causing ctr crash in tcrypt tests.
- Fixed setting IV vector bits to zero.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
This patch removes the old logic and replaces it into nx_sg_build_lists in
order to build a correct nx_sg list using the correct sg_max limit and
bounds.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The previous limits were estimated locally in a single step
basead on bound values, however it was not correct since
when given certain scatterlist the function nx_build_sg_lists
was consuming more sg entries than allocated causing a
memory corruption and crashes.
This patch removes the old logic and replaces it into nx_sg_build_lists
in order to build a correct nx_sg list using the correct sg_max limit
and bounds.
Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch fixes the assumption that output sequence is not contiguous
when input sequence is not contiguous and in-place encryption is done.
Output sequence does not need to be contiguous with associated data.
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Move PCI BARs definitions to device specific module where it belongs.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
If dma mapping for dma_addr_out fails, the descriptor memory is freed
but the previous dma mapping for dma_addr_in remains.
This patch resolves the missing dma unmap and groups resource
allocations at function start.
Cc: <stable@vger.kernel.org> # 3.13+
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add Advanced Encryption Standard (AES) in Galois/Counter Mode (GCM)
as an IPsec Encapsulating Security Payload (ESP) mechanism
to provide confidentiality and data origin authentication.
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for AES working in Galois Counter Mode.
There is a limitation related to IV size, similar to the one present in
SW implementation (crypto/gcm.c):
The only IV size allowed is 12 bytes. It will be padded by HW to the right
with 0x0000_0001 (up to 16 bytes - AES block size), according to the GCM
specification.
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
WARNING:UNNECESSARY_BREAK: break is not useful after a goto or return
#472: FILE: drivers/crypto/qat/qat_common/qat_algs.c:472:
+ goto bad_key;
+ break;
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Analyzing with coccinelle MODE=report...
Please check for false positives in the output before submitting a patch.
When using "patch" mode, carefully review the patch before submitting it.
drivers/crypto/qat/qat_dh895xcc/adf_isr.c:191:3-8: WARNING: NULL check
before freeing functions like kfree, debugfs_remove,
debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider
reorganizing relevant code to avoid passing NULL values.
drivers/crypto/qat/qat_dh895xcc/adf_isr.c:208:3-8: WARNING: NULL check
before freeing functions like kfree, debugfs_remove,
debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider
reorganizing relevant code to avoid passing NULL values.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The mutex table_lock is unlocked in two functions without first being locked.
Fix the functions to properly protect the accel_table with the table_lock.
Also, fix a spelling error in one of the function's header comment.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In a system with NUMA configuration we want to enforce that the accelerator is
connected to a node with memory to avoid cross QPI memory transaction.
Otherwise there is no point in using the accelerator as the encryption in
software will be faster.
Cc: stable@vger.kernel.org
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Tested-by: Nikolay Aleksandrov <nikolay@redhat.com>
Reviewed-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Do not attempt to dma map associated data if it is zero length.
Cc: stable@vger.kernel.org
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Tested-by: Nikolay Aleksandrov <nikolay@redhat.com>
Reviewed-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit 7bced397510a ("net_dma: simple removal") removed the long-dead
net_dma code, but unintentionally broke the build for the qualcomm
crypto engine (qce) that had accidentally depended on the inclusion of
<linux/dmaengine.h> through the networking header files that used to
have it.
Add the required dmaengine.h include explicitly to fix the breakage.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If the ccp is built as a built-in module, then ccp-crypto (whether
built as a module or a built-in module) will be able to load and
it will register its crypto algorithms. If the system does not have
a CCP this will result in -ENODEV being returned whenever a command
is attempted to be queued by the registered crypto algorithms.
Add an API, ccp_present(), that checks for the presence of a CCP
on the system. The ccp-crypto module can use this to determine if it
should register it's crypto alogorithms.
Cc: stable@vger.kernel.org
Reported-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Tested-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Removed additional bufer for HW state for partial requests, which are not going
to be supported.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fix typo. resp_hanlder should be resp_handler
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Enable interrupts from all 32 bundles.
Signed-off-by: Conor McLoughlin <conor.mcloughlin@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
CAAM's memory is broken into following address blocks:
Block Included Registers
0 General Registers
1-4 Job ring registers
6 RTIC registers
7 QI registers
8 DECO and CCB
Size of the above stated blocks varies in various platforms. The block size can be 4K or 64K.
The block size can be dynamically determined by reading CTPR register in CAAM.
This patch initializes the block addresses dynamically based on the value read from this register.
Signed-off-by: Ruchika Gupta <r66431@freescale.com>
Signed-off-by: Nitesh Narayan Lal <b44382@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Clearly this was meant to be an include guard, but the #define was
missing.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
