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Offload split key generation in CAAM engine, using DKP.
DKP is supported starting with Era 6.
Note that the way assoclen is transmitted from the job descriptor
to the shared descriptor changes - DPOVRD register is used instead
of MATH3 (where available), since DKP protocol thrashes the MATH
registers.
The replacement of MDHA split key generation with DKP has the side
effect of the crypto engine writing the authentication key, and thus
the DMA mapping direction for the buffer holding the key has to change
from DMA_TO_DEVICE to DMA_BIDIRECTIONAL.
There are two cases:
-key is inlined in descriptor - descriptor buffer mapping changes
-key is referenced - key buffer mapping changes
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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ctx_map_to_sec4_sg() function, added in
commit 045e36780f115 ("crypto: caam - ahash hmac support")
has never used the "desc" parameter, so let's drop it.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Extended descriptor allocation has been changed by
commit dde20ae9d6383 ("crypto: caam - Change kmalloc to kzalloc to avoid residual data")
to provide zeroized memory, meaning we no longer have to sanitize
its members - edesc->src_nents and edesc->dst_dma.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for using the caam/jr backend on DPAA2-based SoCs.
These have some particularities we have to account for:
-HW S/G format is different
-Management Complex (MC) firmware initializes / manages (partially)
the CAAM block: MCFGR, QI enablement in QICTL, RNG
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Driver does not properly handle the case when signals interrupt
wait_for_completion_interruptible():
-it does not check for return value
-completion structure is allocated on stack; in case a signal interrupts
the sleep, it will go out of scope, causing the worker thread
(caam_jr_dequeue) to fail when it accesses it
wait_for_completion_interruptible() is replaced with uninterruptable
wait_for_completion().
We choose to block all signals while waiting for I/O (device executing
the split key generation job descriptor) since the alternative - in
order to have a deterministic device state - would be to flush the job
ring (aborting *all* in-progress jobs).
Cc: <stable@vger.kernel.org>
Fixes: 045e36780f115 ("crypto: caam - ahash hmac support")
Fixes: 4c1ec1f930154 ("crypto: caam - refactor key_gen, sg")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This is the 2nd part of fixing the usage of GFP_KERNEL for memory
allocations, taking care off all the places that haven't caused a real
problem / failure.
Again, the issue being fixed is that GFP_KERNEL should be used only when
MAY_SLEEP flag is set, i.e. MAY_BACKLOG flag usage is orthogonal.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If we register the DMA API debug notification chain to
receive platform bus events:
dma_debug_add_bus(&platform_bus_type);
we start receiving warnings after a simple test like "modprobe caam_jr &&
modprobe caamhash && modprobe -r caamhash && modprobe -r caam_jr":
platform ffe301000.jr: DMA-API: device driver has pending DMA allocations while released from device [count=1938]
One of leaked entries details: [device address=0x0000000173fda090] [size=63 bytes] [mapped with DMA_TO_DEVICE] [mapped as single]
It turns out there are several issues with handling buf_dma (mapping of buffer
holding the previous chunk smaller than hash block size):
-detection of buf_dma mapping failure occurs too late, after a job descriptor
using that value has been submitted for execution
-dma mapping leak - unmapping is not performed in all places: for e.g.
in ahash_export or in most ahash_fin* callbacks (due to current back-to-back
implementation of buf_dma unmapping/mapping)
Fix these by:
-calling dma_mapping_error() on buf_dma right after the mapping and providing
an error code if needed
-unmapping buf_dma during the "job done" (ahash_done_*) callbacks
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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caamhash uses double buffering for holding previous/current
and next chunks (data smaller than block size) to be hashed.
Add (inline) functions to abstract this mechanism.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In case ctx_dma dma mapping fails, ahash_unmap_ctx() tries to
dma unmap an invalid address:
map_seq_out_ptr_ctx() / ctx_map_to_sec4_sg() -> goto unmap_ctx ->
-> ahash_unmap_ctx() -> dma unmap ctx_dma
There is also possible to reach ahash_unmap_ctx() with ctx_dma
uninitialzed or to try to unmap the same address twice.
Fix these by setting ctx_dma = 0 where needed:
-initialize ctx_dma in ahash_init()
-clear ctx_dma in case of mapping error (instead of holding
the error code returned by the dma map function)
-clear ctx_dma after each unmapping
Fixes: 32686d34f8fb6 ("crypto: caam - ensure that we clean up after an error")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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setkey() callback may be invoked multiple times for the same tfm.
In this case, DMA API leaks are caused by shared descriptors
(and key for caamalg) being mapped several times and unmapped only once.
Fix this by performing mapping / unmapping only in crypto algorithm's
cra_init() / cra_exit() callbacks and sync_for_device in the setkey()
tfm callback.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Shared descriptors for hash algorithms are small enough
for (split) keys to be inlined in all cases.
Since driver already does this, all what's left is to remove
unused ctx->key_dma.
Fixes: 045e36780f115 ("crypto: caam - ahash hmac support")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move ahash shared descriptor generation into a single function.
Currently there is no plan to support ahash on any other interface
besides the Job Ring, thus for now the functionality is not exported.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move split key length and padded length computation from caamalg.c
and caamhash.c to key_gen.c.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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A few descriptor commands are generated using generic
inline append "append_cmd" function.
Rewrite them using specific inline append functions.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Information carried by alg_op can be deduced from adata->algtype
plus some fixed flags.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In preparation of factoring out the shared descriptors,
struct alginfo is introduced to group the algorithm related
parameters.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Shared descriptors used by ahash_final() and ahash_finup()
are identical, thus get rid of one of them (sh_desc_finup).
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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-replace offsetof with container_of
-remove unused "assoc_nents", "iv_dma" from aead_edesc
and fix comments
-remove unused CAAM_MAX_IV_LENGTH #define
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 4464a7d4f53d756101291da26563f37f7fce40f3
("crypto: caam - remove error propagation handling")
removed error propagation handling only from caamalg.
Do this in all other places: caamhash, caamrng.
Update descriptors' lengths appropriately.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move statements for error handling which were identical
in two if branches to the end of these functions.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The local variable "ret" will be set to an appropriate value a bit later.
Thus omit the explicit initialisation at the beginning.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* Return a value at the end without storing it in an intermediate variable.
* Delete the local variable "ret" which became unnecessary with
this refactoring.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Adjust jump labels according to the current Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Adjust jump labels according to the current Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".
This issue was detected by using the Coccinelle software.
* Replace the specification of a data type by a pointer dereference
to make the corresponding size determination a bit safer according to
the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a helper to map the source scatterlist into the descriptor.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a helper function to perform the descriptor allocation.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Strictly, dma_map_sg() may coalesce SG entries, but in practise on iMX
hardware, this will never happen. However, dma_map_sg() can fail, and
we completely fail to check its return value. So, fix this properly.
Arrange the code to map the scatterlist early, so we know how many
scatter table entries to allocate, and then fill them in. This allows
us to keep relatively simple error cleanup paths.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Ensure that we clean up allocations and DMA mappings after encountering
an error rather than just giving up and leaking memory and resources.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since the extended descriptor includes the hardware descriptor, and the
sec4 scatterlist immediately follows this, we can declare it as a array
at the very end of the extended descriptor. This allows us to get rid
of an initialiser for every site where we allocate an extended
descriptor.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Mark the hardware descriptor as being cache line aligned; on DMA
incoherent architectures, the hardware descriptor should sit in a
separate cache line from the CPU accessed data to avoid polluting
the caches.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rather than giving the descriptor as hw_desc[0], give it's real size.
All places where we allocate an ahash_edesc incorporate DESC_JOB_IO_LEN
bytes of job descriptor.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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caamhash contains this weird code:
src_nents = sg_count(req->src, req->nbytes);
dma_map_sg(jrdev, req->src, src_nents ? : 1, DMA_TO_DEVICE);
...
edesc->src_nents = src_nents;
sg_count() returns zero when sg_nents_for_len() returns zero or one.
This means we don't need to use a hardware scatterlist. However,
setting src_nents to zero causes problems when we unmap:
if (edesc->src_nents)
dma_unmap_sg_chained(dev, req->src, edesc->src_nents,
DMA_TO_DEVICE, edesc->chained);
as zero here means that we have no entries to unmap. This causes us
to leak DMA mappings, where we map one scatterlist entry and then
fail to unmap it.
This can be fixed in two ways: either by writing the number of entries
that were requested of dma_map_sg(), or by reworking the "no SG
required" case.
We adopt the re-work solution here - we replace sg_count() with
sg_nents_for_len(), so src_nents now contains the real number of
scatterlist entries, and we then change the test for using the
hardware scatterlist to src_nents > 1 rather than just non-zero.
This change passes my sshd, openssl tests hashing /bin and tcrypt
tests.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since 6de62f15b581 ("crypto: algif_hash - Require setkey before
accept(2)"), the AF_ALG interface requires userspace to provide a key
to any algorithm that has a setkey method. However, the non-HMAC
algorithms are not keyed, so setting a key is unnecessary.
Fix this by removing the setkey method from the non-keyed hash
algorithms.
Fixes: 6de62f15b581 ("crypto: algif_hash - Require setkey before accept(2)")
Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There are SoCs like LS1043A where CAAM endianness (BE) does not match
the default endianness of the core (LE).
Moreover, there are requirements for the driver to handle cases like
CPU_BIG_ENDIAN=y on ARM-based SoCs.
This requires for a complete rewrite of the I/O accessors.
PPC-specific accessors - {in,out}_{le,be}XX - are replaced with
generic ones - io{read,write}[be]XX.
Endianness is detected dynamically (at runtime) to allow for
multiplatform kernels, for e.g. running the same kernel image
on LS1043A (BE CAAM) and LS2080A (LE CAAM) armv8-based SoCs.
While here: debugfs entries need to take into consideration the
endianness of the core when displaying data. Add the necessary
glue code so the entries remain the same, but they are properly
read, regardless of the core and/or SEC endianness.
Note: pdb.h fixes only what is currently being used (IPsec).
Reviewed-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Alex Porosanu <alexandru.porosanu@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When buffer 0 is used we should use buflen_0 instead of buflen_1.
Fix it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The sg_nents_for_len() function could fail, this patch add a check for
its return value.
We do the same for sg_count since it use sg_nents_for_len().
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The kernel's coding style suggests that closing braces for initialisers
should not be aligned to the open brace column. The CodingStyle doc
shows how this should be done. Remove the additional tab.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Avoid exporting lots of state by only exporting what we really require,
which is the buffer containing the set of pending bytes to be hashed,
number of pending bytes, the context buffer, and the function pointer
state. This reduces down the exported state size to 216 bytes from
576 bytes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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caam does not properly calculate the size of the retained state
when non-block aligned hashes are requested - it uses the wrong
buffer sizes, which results in errors such as:
caam_jr 2102000.jr1: 40000501: DECO: desc idx 5: SGT Length Error. The descriptor is trying to read more data than is contained in the SGT table.
We end up here with:
in_len 0x46 blocksize 0x40 last_bufsize 0x0 next_bufsize 0x6
to_hash 0x40 ctx_len 0x28 nbytes 0x20
which results in a job descriptor of:
jobdesc@889: ed03d918: b0861c08 3daa0080 f1400000 3d03d938
jobdesc@889: ed03d928: 00000068 f8400000 3cde2a40 00000028
where the word at 0xed03d928 is the expected data size (0x68), and a
scatterlist containing:
sg@892: ed03d938: 00000000 3cde2a40 00000028 00000000
sg@892: ed03d948: 00000000 3d03d100 00000006 00000000
sg@892: ed03d958: 00000000 7e8aa700 40000020 00000000
0x68 comes from 0x28 (the context size) plus the "in_len" rounded down
to a block size (0x40). in_len comes from 0x26 bytes of unhashed data
from the previous operation, plus the 0x20 bytes from the latest
operation.
The fixed version would create:
sg@892: ed03d938: 00000000 3cde2a40 00000028 00000000
sg@892: ed03d948: 00000000 3d03d100 00000026 00000000
sg@892: ed03d958: 00000000 7e8aa700 40000020 00000000
which replaces the 0x06 length with the correct 0x26 bytes of previously
unhashed data.
This fixes a previous commit which erroneously "fixed" this due to a
DMA-API bug report; that commit indicates that the bug was caused via a
test_ahash_pnum() function in the tcrypt module. No such function has
ever existed in the mainline kernel. Given that the change in this
commit has been tested with DMA API debug enabled and shows no issue,
I can only conclude that test_ahash_pnum() was triggering that bad
behaviour by CAAM.
Fixes: 7d5196aba3c8 ("crypto: caam - Correct DMA unmap size in ahash_update_ctx()")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When exporting and importing the hash state, we will only export and
import into hashes which share the same struct crypto_ahash pointer.
(See hash_accept->af_alg_accept->hash_accept_parent.)
This means that saving the caam_hash_ctx structure on export, and
restoring it on import is a waste of resources. So, remove this code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Print the errno code when hash registration fails, so we know why the
failure occurred. This aids debugging.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The caam driver use two dma_map_sg path according to SG are chained
or not.
Since dma_map_sg can handle both case, clean the code with all
references to sg chained.
Thus removing dma_map_sg_chained, dma_unmap_sg_chained
and __sg_count functions.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull crypto updates from Herbert Xu:
"Here is the crypto update for 4.3:
API:
- the AEAD interface transition is now complete.
- add top-level skcipher interface.
Drivers:
- x86-64 acceleration for chacha20/poly1305.
- add sunxi-ss Allwinner Security System crypto accelerator.
- add RSA algorithm to qat driver.
- add SRIOV support to qat driver.
- add LS1021A support to caam.
- add i.MX6 support to caam"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (163 commits)
crypto: algif_aead - fix for multiple operations on AF_ALG sockets
crypto: qat - enable legacy VFs
MPI: Fix mpi_read_buffer
crypto: qat - silence a static checker warning
crypto: vmx - Fixing opcode issue
crypto: caam - Use the preferred style for memory allocations
crypto: caam - Propagate the real error code in caam_probe
crypto: caam - Fix the error handling in caam_probe
crypto: caam - fix writing to JQCR_MS when using service interface
crypto: hash - Add AHASH_REQUEST_ON_STACK
crypto: testmgr - Use new skcipher interface
crypto: skcipher - Add top-level skcipher interface
crypto: cmac - allow usage in FIPS mode
crypto: sahara - Use dmam_alloc_coherent
crypto: caam - Add support for LS1021A
crypto: qat - Don't move data inside output buffer
crypto: vmx - Fixing GHASH Key issue on little endian
crypto: vmx - Fixing AES-CTR counter bug
crypto: null - Add missing Kconfig tristate for NULL2
crypto: nx - Add forward declaration for struct crypto_aead
...
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"The preferred form for passing a size of a struct is the following:
p = kmalloc(sizeof(*p), ...);
....
The preferred form for allocating a zeroed array is the following:
p = kcalloc(n, sizeof(...), ...); "
,so do as suggested.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Horia Geant? <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When doing pointer operation for accessing the HW S/G table,
a value representing number of entries (and not number of bytes)
must be used.
Cc: <stable@vger.kernel.org> # 3.6+
Fixes: 045e36780f115 ("crypto: caam - ahash hmac support")
Signed-off-by: Horia Geant? <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Register only algorithms supported by CAAM hardware, using the CHA
version and instantiation registers to identify hardware capabilities.
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Tested-by: Horia Geantă <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This change fixes:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 456 at lib/dma-debug.c:1103 check_unmap+0x438/0x958()
caam_jr 2101000.jr0: DMA-API: device driver frees DMA memory with different size [device address=0x000000003a241080] [map ]
Modules linked in: tcrypt(+)
CPU: 0 PID: 456 Comm: insmod Not tainted 4.1.0-248766-gf823586-dirty #82
Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[<80015e0c>] (unwind_backtrace) from [<80012764>] (show_stack+0x10/0x14)
[<80012764>] (show_stack) from [<806df8e8>] (dump_stack+0x84/0xc4)
[<806df8e8>] (dump_stack) from [<800266fc>] (warn_slowpath_common+0x84/0xb4)
[<800266fc>] (warn_slowpath_common) from [<8002675c>] (warn_slowpath_fmt+0x30/0x40)
[<8002675c>] (warn_slowpath_fmt) from [<802c7db8>] (check_unmap+0x438/0x958)
[<802c7db8>] (check_unmap) from [<802c835c>] (debug_dma_unmap_page+0x84/0x8c)
[<802c835c>] (debug_dma_unmap_page) from [<804d3b94>] (ahash_update_ctx+0xb08/0xec4)
[<804d3b94>] (ahash_update_ctx) from [<7f002984>] (test_ahash_pnum.isra.9.constprop.19+0x2b8/0x514 [tcrypt])
[<7f002984>] (test_ahash_pnum.isra.9.constprop.19 [tcrypt]) from [<7f005998>] (do_test+0x2db8/0x37cc [tcrypt])
[<7f005998>] (do_test [tcrypt]) from [<7f00b050>] (tcrypt_mod_init+0x50/0x9c [tcrypt])
[<7f00b050>] (tcrypt_mod_init [tcrypt]) from [<80009730>] (do_one_initcall+0x8c/0x1d4)
[<80009730>] (do_one_initcall) from [<806dda4c>] (do_init_module+0x5c/0x1a8)
[<806dda4c>] (do_init_module) from [<80085308>] (load_module+0x17e0/0x1da0)
[<80085308>] (load_module) from [<80085998>] (SyS_init_module+0xd0/0x120)
[<80085998>] (SyS_init_module) from [<8000f4c0>] (ret_fast_syscall+0x0/0x3c)
---[ end trace 60807cfb6521c79f ]---
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Tested-by: Horia Geantă <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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