Граф коммитов

192 Коммитов

Автор SHA1 Сообщение Дата
Colin Ian King a93854c9a5 crypto: qat - fix spelling mistake: "runing" -> "running"
trivial fix to spelling mistake in dev_info message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-07-18 17:50:51 +08:00
Linus Torvalds f72e24a124 This is the first pull request for the new dma-mapping subsystem
In this new subsystem we'll try to properly maintain all the generic
 code related to dma-mapping, and will further consolidate arch code
 into common helpers.
 
 This pull request contains:
 
  - removal of the DMA_ERROR_CODE macro, replacing it with calls
    to ->mapping_error so that the dma_map_ops instances are
    more self contained and can be shared across architectures (me)
  - removal of the ->set_dma_mask method, which duplicates the
    ->dma_capable one in terms of functionality, but requires more
    duplicate code.
  - various updates for the coherent dma pool and related arm code
    (Vladimir)
  - various smaller cleanups (me)
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Merge tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping infrastructure from Christoph Hellwig:
 "This is the first pull request for the new dma-mapping subsystem

  In this new subsystem we'll try to properly maintain all the generic
  code related to dma-mapping, and will further consolidate arch code
  into common helpers.

  This pull request contains:

   - removal of the DMA_ERROR_CODE macro, replacing it with calls to
     ->mapping_error so that the dma_map_ops instances are more self
     contained and can be shared across architectures (me)

   - removal of the ->set_dma_mask method, which duplicates the
     ->dma_capable one in terms of functionality, but requires more
     duplicate code.

   - various updates for the coherent dma pool and related arm code
     (Vladimir)

   - various smaller cleanups (me)"

* tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping: (56 commits)
  ARM: dma-mapping: Remove traces of NOMMU code
  ARM: NOMMU: Set ARM_DMA_MEM_BUFFERABLE for M-class cpus
  ARM: NOMMU: Introduce dma operations for noMMU
  drivers: dma-mapping: allow dma_common_mmap() for NOMMU
  drivers: dma-coherent: Introduce default DMA pool
  drivers: dma-coherent: Account dma_pfn_offset when used with device tree
  dma: Take into account dma_pfn_offset
  dma-mapping: replace dmam_alloc_noncoherent with dmam_alloc_attrs
  dma-mapping: remove dmam_free_noncoherent
  crypto: qat - avoid an uninitialized variable warning
  au1100fb: remove a bogus dma_free_nonconsistent call
  MAINTAINERS: add entry for dma mapping helpers
  powerpc: merge __dma_set_mask into dma_set_mask
  dma-mapping: remove the set_dma_mask method
  powerpc/cell: use the dma_supported method for ops switching
  powerpc/cell: clean up fixed mapping dma_ops initialization
  tile: remove dma_supported and mapping_error methods
  xen-swiotlb: remove xen_swiotlb_set_dma_mask
  arm: implement ->dma_supported instead of ->set_dma_mask
  mips/loongson64: implement ->dma_supported instead of ->set_dma_mask
  ...
2017-07-06 19:20:54 -07:00
Arnd Bergmann 72eed06376 crypto: qat - avoid an uninitialized variable warning
After commit 9e442aa6a753 ("x86: remove DMA_ERROR_CODE"), the inlining
decisions in the qat driver changed slightly, introducing a new false-positive
warning:

drivers/crypto/qat/qat_common/qat_algs.c: In function 'qat_alg_sgl_to_bufl.isra.6':
include/linux/dma-mapping.h:228:2: error: 'sz_out' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/crypto/qat/qat_common/qat_algs.c:676:9: note: 'sz_out' was declared here

The patch that introduced this is correct, so let's just avoid the
warning in this driver by rearranging the unwinding after an error
to make it more obvious to the compiler what is going on.

The problem here is the 'if (unlikely(dma_mapping_error(dev, blp)))'
check, in which the 'unlikely' causes gcc to forget what it knew about
the state of the variables. Cleaning up the dma state in the reverse
order it was created means we can simplify the logic so it doesn't have
to know about that state, and also makes it easier to understand.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-06-28 06:54:58 -07:00
Tudor-Dan Ambarus 515c4d27d6 crypto: qat - comply with crypto_akcipher_maxsize()
crypto_akcipher_maxsize() asks for the output buffer size without
caring for errors. It allways assume that will be called after
a valid setkey. Comply with it and return what he wants.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-10 12:04:31 +08:00
Tudor-Dan Ambarus 85ac98cbac crypto: qat - comply with crypto_kpp_maxsize()
crypto_kpp_maxsize() asks for the output buffer size without
caring for errors. It allways assume that will be called after
a valid setkey. Comply with it and return what he wants.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-10 12:04:29 +08:00
Corentin LABBE f14011ad7c crypto: qat - Use IPAD/OPAD constant
This patch simply replace all occurrence of HMAC IPAD/OPAD value by their
define.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-05-23 12:52:09 +08:00
Christoph Hellwig 248c65056c crypto: qat - use pcie_flr instead of duplicating it
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-05-23 12:52:04 +08:00
Eric Biggers 5527dfb6dd crypto: kpp - constify buffer passed to crypto_kpp_set_secret()
Constify the buffer passed to crypto_kpp_set_secret() and
kpp_alg.set_secret, since it is never modified.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-09 18:34:27 +08:00
Xin Zeng 1043c51468 crypto: qat - increase number of supported devices
The unsigned long type for init_status and start_status in
service_hndl are not long enough to represent more than 64
acceleration devices. Use an array instead.

Signed-off-by: Xin Zeng <xin.zeng@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:36 +08:00
Pablo Marcos Oltra 21aad0b6ca crypto: qat - modify format of dev top level debugfs entries
Remove leading zeros in pci function number to be consistent
with output from lspci.

Signed-off-by: Pablo Marcos Oltra <pablo.marcos.oltra@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:34 +08:00
Giovanni Cabiddu 841d6d10b3 crypto: qat - zero esram only for DH85x devices
Zero embedded ram in DH85x devices. This is not
needed for newer generations as it is done by HW.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:28 +08:00
Giovanni Cabiddu 4f78ce870a crypto: qat - fix bar discovery for c62x
Some accelerators of the c62x series have only two bars.
This patch skips BAR0 if the accelerator does not have it.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:27 +08:00
Giovanni Cabiddu ac6d9a2cec crypto: qat - replace hardcoded BIT(0) in vf_isr
Replace BIT(0) macro with proper definition in pf2vf path

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:24 +08:00
Ahsan Atta aebeff8882 crypto: qat - fix comments describing adf_disable_sriov()
Signed-off-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:23 +08:00
Ahsan Atta 0a3b1abedf crypto: qat - fix indentation
Signed-off-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-12-30 19:52:20 +08:00
Herbert Xu c3afafa478 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pull in vmx ghash fix.
2016-10-10 11:19:47 +08:00
Giovanni Cabiddu 378bc4ed74 crypto: qat - fix leak on error path
Fix a memory leak in an error path in uc loader.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-09-13 20:27:22 +08:00
Maksim Lukoshkov 1548a37da0 crypto: qat - fix incorrect accelerator mask for C3X devices
Fix incorrect value of ADF_C3XXX_ACCELERATORS_MASK.

Signed-off-by: Maksim Lukoshkov <maksim.lukoshkov@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-09-07 21:08:25 +08:00
Maksim Lukoshkov 93ba73fed3 crypto: qat - fix constants table DMA
Copy const_tab array into DMA-able memory (accesible by qat hw).

Signed-off-by: Maksim Lukoshkov <maksim.lukoshkov@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-08-31 23:00:50 +08:00
Giovanni Cabiddu 10bb087ce3 crypto: qat - fix aes-xts key sizes
Increase value of supported key sizes for qat_aes_xts.
aes-xts keys consists of keys of equal size concatenated.

Fixes: def14bfaf3 ("crypto: qat - add support for ctr(aes) and xts(aes)")
Cc: stable@vger.kernel.org
Reported-by: Wenqian Yu <wenqian.yu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-08-24 20:51:19 +08:00
Salvatore Benedetto bd76ad4abf crypto: qat - Stop dropping leading zeros from RSA output
There is not need to drop leading zeros from the RSA output
operations results.

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-11 18:03:11 +08:00
Salvatore Benedetto c9839143eb crypto: qat - Add DH support
Add DH support under kpp api. Drop struct qat_rsa_request and
introduce a more generic struct qat_asym_request and share it
between RSA and DH requests.

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-11 18:03:10 +08:00
Salvatore Benedetto 879f77e907 crypto: qat - Add RSA CRT mode
Extend qat driver to use RSA CRT mode when all CRT related components are
present in the private key. Simplify code in qat_rsa_setkey by adding
qat_rsa_clear_ctx.

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-05 23:05:28 +08:00
Conor McLoughlin e24860f2a6 crypto: qat - Use alternative reset methods depending on the specific device
Different product families will use FLR or SBR.
Virtual Function devices have no reset method.

Signed-off-by: Conor McLoughlin <conor.mcloughlin@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-05 23:05:25 +08:00
Salvatore Benedetto 6889621fd2 crypto: qat - Switch to new rsa_helper functions
Drop all asn1 related code and use the new rsa_helper
functions rsa_parse_[pub|priv]_key for parsing the key

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-05 23:05:21 +08:00
Bhaktipriya Shridhar 773b197972 crypto: qat - Remove deprecated create_workqueue
alloc_workqueue replaces deprecated create_workqueue().

The workqueue device_reset_wq has workitem &reset_data->reset_work per
adf_reset_dev_data. The workqueue  pf2vf_resp_wq is a workqueue for
PF2VF responses has workitem &pf2vf_resp->pf2vf_resp_work per pf2vf_resp.
The workqueue adf_vf_stop_wq is used to call adf_dev_stop()
asynchronously.

Dedicated workqueues have been used in all cases since the workitems
on the workqueues are involved in operation of crypto which can be used in
the IO path which is depended upon during memory reclaim. Hence,
WQ_MEM_RECLAIM has been set to gurantee forward progress under memory
pressure.
Since there are only a fixed number of work items, explicit concurrency
limit is unnecessary.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-06-13 17:47:48 +08:00
Tadeusz Struk 21a3d3b234 crypto: qat - fix typos sizeof for ctx
The sizeof(*ctx->dec_cd) and sizeof(*ctx->enc_cd) are equal,
but we should use the correct one for freeing memory anyway.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-31 16:41:48 +08:00
Tadeusz Struk 256b1cfb9a crypto: qat - change the adf_ctl_stop_devices to void
Change the adf_ctl_stop_devices to a void function.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-13 17:30:18 +08:00
Tadeusz Struk d0c15bd506 crypto: qat - make adf_vf_isr.c dependant on IOV config
The adf_vf_isr.c should only be build if CONFIG_PCI_IOV is enabled

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-03 16:10:13 +08:00
Tadeusz Struk cca0a7b0ac crypto: qat - Fix typo in comments
Fix copy and paste typo adf_isr.c

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-03 16:10:13 +08:00
Herbert Xu 6dd4c83ed7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pull in the qat adf_init_pf_wq fix.
2016-05-03 16:01:52 +08:00
Tadeusz Struk 6dc5df71ee crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
Fix undefined reference issue reported by kbuild test robot.

Cc: <stable@vger.kernel.org>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-03 15:53:48 +08:00
Herbert Xu 6f6438975d Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pull in the qat adf_init_pf_wq change.
2016-04-28 09:13:03 +08:00
Tadeusz Struk 9e209fcfb8 crypto: qat - fix invalid pf2vf_resp_wq logic
The pf2vf_resp_wq is a global so it has to be created at init
and destroyed at exit, instead of per device.

Cc: <stable@vger.kernel.org>
Tested-by: Suresh Marikkannu <sureshx.marikkannu@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-28 08:58:07 +08:00
Tadeusz Struk b3ab30a7cb crypto: qat - fix section mismatch warning
Fix Section mismatch warinig in adf_exit_vf_wq()

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-18 18:49:52 +08:00
Tadeusz Struk 87ba569a39 crypto: qat - interrupts need to be enabled when VFs are disabled
IRQs need to be enabled when VFs go down in case some VF to PF
comms happens.

Tested-by: Suman Bangalore Sathyanarayana <sumanx.bangalore.sathyanarayana@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-18 18:49:52 +08:00
Tadeusz Struk 25c6ffb249 crypto: qat - check if PF is running
Before VF sends a signal to PF it should check if PF
is still running.

Tested-by: Suman Bangalore Sathyanarayana <sumanx.bangalore.sathyanarayana@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-18 18:49:51 +08:00
Tadeusz Struk 02dc8d634b crypto: qat - move vf2pf_init and vf2pf_exit to common
The vf2pf_init and vf2pf_exit are exactly the same for all VFs
so move them to common and reuse.

Tested-by: Suman Bangalore Sathyanarayana <sumanx.bangalore.sathyanarayana@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-18 18:49:47 +08:00
Tadeusz Struk d6064165ba crypto: qat - adf_dev_stop should not be called in atomic context
VFs call adf_dev_stop() from a PF to VF interrupt bottom half.
This causes an oops "scheduling while atomic", because it tries
to acquire a mutex to un-register crypto algorithms.
This patch fixes the issue by calling adf_dev_stop() asynchronously.

Changes in v2:
 - change kthread to a work queue.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-15 22:35:45 +08:00
Tadeusz Struk f1420ceef3 crypto: qat - changed adf_dev_stop to void
It returns always zero anyway.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:54 +08:00
Tadeusz Struk cb00bca42f crypto: qat - explicitly stop all VFs first
When stopping devices it is not enought to loop backwards.
We need to explicitly stop all VFs first.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:53 +08:00
Tudor Ambarus 738f98233b crypto: qat - fix address leaking of RSA public exponent
Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:52 +08:00
Tudor Ambarus aa8b6dd4b0 crypto: qat - avoid memory corruption or undefined behaviour
memcopying to a (null pointer + offset) will result
in memory corruption or undefined behaviour.

Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:52 +08:00
Ahsan Atta 0c4935b31d crypto: qat - Remove redundant nrbg rings
Remove redundant nrbg rings.

Signed-off-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:52 +08:00
Tadeusz Struk 082ebe92ca crypto: qat - make sure const_tab is 1024 bytes aligned
FW requires the const_tab to be 1024 bytes aligned.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-04-05 20:35:52 +08:00
Tadeusz Struk 34074205bb crypto: qat - remove redundant arbiter configuration
The default arbiter configuration for ring weights and response ordering
is exactly what we want so we don't need to configure anything more.
This will also fix the problem where number of bundles is different
between different devices.

Reported-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-03-11 21:22:18 +08:00
Pingchao Yang 84a0ced0b6 crypto: qat - Change the definition of icp_qat_uof_regtype
The definition of icp_qat_uof_regtype should be coherent with
 the definition in firmware compiler.

Signed-off-by: Yang Pingchao <pingchao.yang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-03-11 21:19:19 +08:00
Pingchao Yang f93a8b25d2 crypto: qat - The AE id should be less than the maximal AE number
Signed-off-by: Yang Pingchao <pingchao.yang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-02-28 03:26:31 +08:00
Tadeusz Struk 26d52ea39b crypto: qat - fix leak on error path
Fix a leak on error path in qat asym

Reported-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-02-17 04:07:52 +08:00
Cabiddu, Giovanni 7768fb2ee9 crypto: qat - Reduced reqsize in qat_algs
req_alloc functions already take into account the request data structure
when allocating memory.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-01-25 22:42:10 +08:00