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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Make proc files report fips module name and version
Algorithms:
- Move generic SHA1 code into lib/crypto
- Implement Chinese Remainder Theorem for RSA
- Remove blake2s
- Add XCTR with x86/arm64 acceleration
- Add POLYVAL with x86/arm64 acceleration
- Add HCTR2
- Add ARIA
Drivers:
- Add support for new CCP/PSP device ID in ccp"
* tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (89 commits)
crypto: tcrypt - Remove the static variable initialisations to NULL
crypto: arm64/poly1305 - fix a read out-of-bound
crypto: hisilicon/zip - Use the bitmap API to allocate bitmaps
crypto: hisilicon/sec - fix auth key size error
crypto: ccree - Remove a useless dma_supported() call
crypto: ccp - Add support for new CCP/PSP device ID
crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of
crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq
crypto: testmgr - some more fixes to RSA test vectors
cyrpto: powerpc/aes - delete the rebundant word "block" in comments
hwrng: via - Fix comment typo
crypto: twofish - Fix comment typo
crypto: rmd160 - fix Kconfig "its" grammar
crypto: keembay-ocs-ecc - Drop if with an always false condition
Documentation: qat: rewrite description
Documentation: qat: Use code block for qat sysfs example
crypto: lib - add module license to libsha1
crypto: lib - make the sha1 library optional
crypto: lib - move lib/sha1.c into lib/crypto/
crypto: fips - make proc files report fips module name and version
...
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Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
While at it, add an explicit include <linux/bitmap.h>.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The authentication algorithm supports a maximum of 128-byte keys.
The allocated key memory is insufficient.
Fixes: 2f072d75d1ab ("crypto: hisilicon - Add aead support on SEC2")
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is no point in calling dma_supported() before calling
dma_set_coherent_mask(). This function already calls dma_supported() and
returns an error (-EIO) if it fails.
So remove the superfluous dma_supported() call.
Moreover, setting a larger DMA mask will never fail when setting a smaller
one will succeed, so the whole "while" loop can be removed as well. (see
[1])
While at it, fix the name of the function reported in a dev_err().
[1]: https://lore.kernel.org/all/YteQ6Vx2C03UtCkG@infradead.org/
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a new CCP/PSP PCI device ID. This uses same register offsets
as the previously supported structure.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Without MODULE_DEVICE_TABLE, crypto_safexcel.ko module is not automatically
loaded on platforms where inside-secure crypto HW is specified in device
tree (e.g. Armada 3720). So add missing MODULE_DEVICE_TABLE for of.
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Signed-off-by: Pali Rohár <pali@kernel.org>
Acked-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The hpre encryption driver may be used to encrypt and decrypt packets
during the rx softirq, it is not allowed to use GFP_KERNEL.
Fixes: c8b4b477079d ("crypto: hisilicon - add HiSilicon HPRE accelerator")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so ecc_dev is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is a engine status register that can be used to check if the
different HW crypto engines are enabled. Check that first and then only
try to enable the engines if they are not already on.
This has a couple benefits. First we don't need to use match_data for
this. Second, this driver can now work on HS devices where the engine
control registers are read-only and writing causes a firewall exception.
Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Setting these individually gives a better picture of supported
functions at a glance. Plus if the list changes an unwanted
one will not accidentally get set with GENMASK.
Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Initialize sha_dd with platform_get_drvdata() when declaring it.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Initialize sha_dd with platform_get_drvdata() when declaring it.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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caam has its own special NAPI weights. It's also a crypto device
so presumably it can't be used for packet Rx. Switch to the (new)
correct API.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so pdata is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so dd is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so dd is never NULL.
This is a preparation for making platform remove callbacks return void.
While touching this driver remove an assignment without effect.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so dd is never NULL.
This is a preparation for making platform remove callbacks return void.
While touching this driver remove a stray empty line.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so tdes_dd is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so sha_dd is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The remove callback is only called after probe completed successfully.
In this case platform_set_drvdata() was called with a non-NULL argument
and so aes_dd is never NULL.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add clk_disable_unprepare() on error path in cc_pm_resume().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When mixing bit-field and none bit-filed in packed struct the
none bit-field starts at a distinct memory location, thus adding
an additional byte to the overall structure which is used in
memory zero-ing and other configuration calculations.
Fix this by removing the none bit-field that has a following
bit-field.
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Acked-by: Antoine Tenart <atenart@kernel.org>
Acked-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When kunpeng916 encryption driver is used to deencrypt and decrypt
packets during the softirq, it is not allowed to use mutex lock.
Fixes: 915e4e8413da ("crypto: hisilicon - SEC security accelerator driver")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When kunpeng920 encryption driver is used to deencrypt and decrypt
packets during the softirq, it is not allowed to use mutex lock. The
kernel will report the following error:
BUG: scheduling while atomic: swapper/57/0/0x00000300
Call trace:
dump_backtrace+0x0/0x1e4
show_stack+0x20/0x2c
dump_stack+0xd8/0x140
__schedule_bug+0x68/0x80
__schedule+0x728/0x840
schedule+0x50/0xe0
schedule_preempt_disabled+0x18/0x24
__mutex_lock.constprop.0+0x594/0x5dc
__mutex_lock_slowpath+0x1c/0x30
mutex_lock+0x50/0x60
sec_request_init+0x8c/0x1a0 [hisi_sec2]
sec_process+0x28/0x1ac [hisi_sec2]
sec_skcipher_crypto+0xf4/0x1d4 [hisi_sec2]
sec_skcipher_encrypt+0x1c/0x30 [hisi_sec2]
crypto_skcipher_encrypt+0x2c/0x40
crypto_authenc_encrypt+0xc8/0xfc [authenc]
crypto_aead_encrypt+0x2c/0x40
echainiv_encrypt+0x144/0x1a0 [echainiv]
crypto_aead_encrypt+0x2c/0x40
esp_output_tail+0x348/0x5c0 [esp4]
esp_output+0x120/0x19c [esp4]
xfrm_output_one+0x25c/0x4d4
xfrm_output_resume+0x6c/0x1fc
xfrm_output+0xac/0x3c0
xfrm4_output+0x64/0x130
ip_build_and_send_pkt+0x158/0x20c
tcp_v4_send_synack+0xdc/0x1f0
tcp_conn_request+0x7d0/0x994
tcp_v4_conn_request+0x58/0x6c
tcp_v6_conn_request+0xf0/0x100
tcp_rcv_state_process+0x1cc/0xd60
tcp_v4_do_rcv+0x10c/0x250
tcp_v4_rcv+0xfc4/0x10a4
ip_protocol_deliver_rcu+0xf4/0x200
ip_local_deliver_finish+0x58/0x70
ip_local_deliver+0x68/0x120
ip_sublist_rcv_finish+0x70/0x94
ip_list_rcv_finish.constprop.0+0x17c/0x1d0
ip_sublist_rcv+0x40/0xb0
ip_list_rcv+0x140/0x1dc
__netif_receive_skb_list_core+0x154/0x28c
__netif_receive_skb_list+0x120/0x1a0
netif_receive_skb_list_internal+0xe4/0x1f0
napi_complete_done+0x70/0x1f0
gro_cell_poll+0x9c/0xb0
napi_poll+0xcc/0x264
net_rx_action+0xd4/0x21c
__do_softirq+0x130/0x358
irq_exit+0x11c/0x13c
__handle_domain_irq+0x88/0xf0
gic_handle_irq+0x78/0x2c0
el1_irq+0xb8/0x140
arch_cpu_idle+0x18/0x40
default_idle_call+0x5c/0x1c0
cpuidle_idle_call+0x174/0x1b0
do_idle+0xc8/0x160
cpu_startup_entry+0x30/0x11c
secondary_start_kernel+0x158/0x1e4
softirq: huh, entered softirq 3 NET_RX 0000000093774ee4 with
preempt_count 00000100, exited with fffffe00?
Fixes: 416d82204df4 ("crypto: hisilicon - add HiSilicon SEC V2 driver")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The argument passed to sec_queue_aw_alloc() should be
SEC_QUEUE_AW_FROCE_NOALLOC instead of SEC_QUEUE_AR_FROCE_NOALLOC.
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In nx842_pseries_init(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put to keep
refcount balance.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In crypto4xx_probe(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put to keep
refcount balance.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The compiler complains that p8_ghash_alg isn't declared which is
because the header file aesp8-ppc.h isn't included in ghash.c.
This patch fixes the warning.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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qat_4xxx devices can be configured to allow either crypto or compression
operations. At the moment, devices are configured statically according to
the following rule:
- odd numbered devices assigned to compression services
- even numbered devices assigned to crypto services
Expose the sysfs attribute /sys/bus/pci/devices/<BDF>/qat/cfg_services
to allow to detect the configuration of a device and to change it.
The `cfg_service` attribute is only exposed for qat_4xxx devices and it
is limited to two configurations: (1) "sym;asym" for crypto services and
"dc" for compression services.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Co-developed-by: Tomasz Kowallik <tomaszx.kowalik@intel.com>
Signed-off-by: Tomasz Kowallik <tomaszx.kowalik@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The function adf_sriov_prepare_restart() is used in adf_sriov.c to stop
and shutdown a device preserving its configuration.
Since this function will be re-used by the logic that allows to
reconfigure the device through sysfs, move it to adf_init.c and rename
it as adf_dev_shutdown_cache_cfg();
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The function adf_cfg_add_key_value_param() allows to insert duplicates
entries in the key value store of the driver.
Change the behaviour of that function to the following policy:
- if the key doesn't exist, add it;
- if the key already exists with a different value, then delete it and
replace it with a new one containing the new value;
- if the key exists with the same value, then return without doing
anything.
The behaviour of this function has been changed in order to easily
update key-values in the driver database. In particular this is required
to update the value of the ServiceEnables key used to change the service
loaded on a device.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Expose the device state through an attribute in sysfs and allow to
change it. This is to stop and shutdown a QAT device in order to change
its configuration.
The state attribute has been added to a newly created `qat` attribute
group which will contain all _QAT specific_ attributes.
The logic that implements the sysfs entries is part of a new file,
adf_sysfs.c. This exposes an entry point to allow the driver to create
attributes.
The function that creates the sysfs attributes is called from the probe
function of the driver and not in the state machine init function to
allow the change of states even if the device is in the down state.
In order to restore the device configuration between a transition from
down to up, the function that configures the devices has been abstracted
into the HW data structure.
The `state` attribute is only exposed for qat_4xxx devices.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Co-developed-by: Tomasz Kowallik <tomaszx.kowalik@intel.com>
Signed-off-by: Tomasz Kowallik <tomaszx.kowalik@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Various accelerated software implementation Kconfig values for S390 were
mistakenly placed into drivers/crypto/Kconfig, even though they're
mainly just SIMD code and live in arch/s390/crypto/ like usual. This
gives them the very unusual dependency on CRYPTO_HW, which leads to
problems elsewhere.
This patch fixes the issue by moving the Kconfig values for non-hardware
drivers into the usual place in crypto/Kconfig.
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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there is an unexpected word 'for' in the comments that need to be dropped
file - drivers/crypto/vmx/ghashp8-ppc.pl
line - 19
"# GHASH for for PowerISA v2.07."
changed to:
"# GHASH for PowerISA v2.07."
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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there is an unexpected word 'for' in the comments that need to be dropped
file - drivers/crypto/caam/caamhash_desc.c
line - 25
* must be false for for ahash first and digest
changed to:
* must be false for ahash first and digest
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Drop the unexpected word 'a' in the comments that need to be dropped
* This is a a cache of buffers, from which the users of CAAM QI driver
-->
* This is a cache of buffers, from which the users of CAAM QI driver
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace 'is' with 'it'
file: drivers/crypto/cavium/cpt/cpt_hw_types.h
line: 268
* which if the line hits and is is dirty will cause the line to be
changed to:
* which if the line hits and it is dirty will cause the line to be
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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there is an unexpected word "the" in the comments that need to be dropped
>- * specified in the the hw design spec. Either due to incorrect info in the
>+ * specified in the hw design spec. Either due to incorrect info in the
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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there is an unexpected word "the" in the comments that need to be dropped
>- * The DDE is setup with the the DDE count, byte count, and address of
>+ * The DDE is setup with the DDE count, byte count, and address of
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This dependency looks outdated. After the previous patch, we have been able
to use this driver to encrypt some data and to create working VF on arm64.
We have not tested it yet on any big endian machine, hence the new dependency
Signed-off-by: Yoan Picchi <yoan.picchi@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently the QAT driver code uses a self-defined wrapper function
called get_current_node() when it wants to learn the current NUMA node.
This implementation references the topology_physical_package_id[] array,
which more or less coincidentally contains the NUMA node id, at least
on x86.
Because this is not universal, and Linux offers a direct function to
learn the NUMA node ID, replace that function with a call to
numa_node_id(), which would work everywhere.
This fixes the QAT driver operation on arm64 machines.
Reported-by: Yoan Picchi <Yoan.Picchi@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Yoan Picchi <yoan.picchi@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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On shutdown, each CCP device instance performs shutdown processing.
However, __sev_platform_shutdown_locked() uses the controlling psp
structure to obtain the pointer to the sev_device structure. However,
during driver initialization, it is possible that an error can be received
from the firmware that results in the sev_data pointer being cleared from
the controlling psp structure. The __sev_platform_shutdown_locked()
function does not check for this situation and will segfault.
While not common, this scenario should be accounted for. Add a check for a
NULL sev_device structure before attempting to use it.
Fixes: 5441a07a127f ("crypto: ccp - shutdown SEV firmware on kexec")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The ccp driver loops through the platform device resources array to get
the IRQ count for the device. With commit a1a2b7125e10 ("of/platform: Drop
static setup of IRQ resource from DT core"), the IRQ resources are no
longer stored in the platform device resource array. As a result, the IRQ
count is now always zero. This causes the driver to issue a second call to
platform_get_irq(), which fails if the IRQ count is really 1, causing the
loading of the driver to fail.
Replace looping through the resources array to count the number of IRQs
with a call to platform_irq_count().
Fixes: a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT core")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The base register address of V2 and V3 are different. HW V3 not needs
to change the BD err detection.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is no i decrement in while (i >= 0) loop.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When the driver receives an event interrupt, the driver will enable
the event interrupt after handling all completed tasks on the function,
tasks on the function are parsed through only one thread. If the task's
user callback takes time, other tasks on the function will be blocked.
Therefore, the event irq processing is modified as follows:
1. Obtain the ID of the queue that completes the task.
2. Enable event interrupt.
3. Parse the completed tasks in the queue and call the user callback.
Enabling event interrupt in advance can quickly report pending event
interrupts and process tasks in multiple threads.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Before stopping the function, the driver needs to flush all the remaining
work about event irq. Therefore, accelerator drivers use a private
workqueue(qm->wq) to handle event irq instead of the system workqueue.
This patch moves alloc workqueue from sec_main.c and zip_main.c to qm.c.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The resources allocated by hisi_qm_memory_init() are released by
hisi_qm_uninit(). Add hisi_qm_memory_uninit() to release resources,
no functional change.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The return value of 'readl_poll_timeout' is '0' or '-ETIMEDOUT'. Therefore,
change the local variable 'ret' type from 'u32' to 'int'.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The crypto_alloc_shash() function never returns NULL. It returns error
pointers.
Fixes: 801b7d572c0a ("crypto: sun8i-ss - add hmac(sha1)")
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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