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omap_sham_probe() calls pm_runtime_get_sync() and calls
pm_runtime_put_sync() latter to put usage_counter. However,
pm_runtime_get_sync() will increment usage_counter even it failed. Fix
it by replacing it with pm_runtime_resume_and_get() to keep usage
counter balanced.
Fixes: b359f034c8bf ("crypto: omap-sham - Convert to use pm_runtime API")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is no real point in allocating dedicated memory for the irqs array.
MAXFLOW is only 2, so it is easier to allocated the needed space
directly within the 'meson_dev' structure.
This saves some memory allocation and avoids an indirection when using the
irqs array.
Fixes: 48fe583fe541 ("crypto: amlogic - Add crypto accelerator...")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The value of reqsize must only be changed through the helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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release_firmware() checks whether firmware pointer is NULL. Remove the redundant NULL check in release_tar_archive().
Signed-off-by: Yushan Zhou <katrinzhou@tencent.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If CAAM is not in "trusted" or "secure" state, a fixed non-volatile key
is used instead of the unique device key. This is the default mode of
operation without secure boot (HAB). In this scenario, CAAM encrypted
blobs should be used only for testing but not in a production
environment, so issue a warning.
Signed-off-by: Nikolaus Voss <nikolaus.voss@haag-streit.com>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix to return a negative error code -EINVAL instead of 0.
Fixes: 0cec19c761e5 ("crypto: qat - add support for compression for 4xxx")
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In function 'hisi_qm_resume', if the device fails to be started,
directly returning error code will cause the device to be unavailable.
However, the failure may be caused by device error, which will be
reported to the driver, and driver can reset and restart device.
Therefore, check device status instead of returning error code
directly. Returns 0 if device error has occurred, otherwise returns
error code.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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'QM_XEQ_DEPTH_CAP' mask value is GENMASK(31, 0) instead of GENMASK(15, 0).
If the mask value is incorrect, will cause abnormal events cannot be
handled. So fix it.
Fixes: 129a9f340172 ("crypto: hisilicon/qm - get qp num and depth from hardware registers")
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.
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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.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.
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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ccree_init() calls cc_debugfs_global_fini(), the former is an init
function and the latter an exit function though.
A modular build emits:
WARNING: modpost: drivers/crypto/ccree/ccree.o: section mismatch in reference: init_module (section: .init.text) -> cc_debugfs_global_fini (section: .exit.text)
(with CONFIG_DEBUG_SECTION_MISMATCH=y).
Fixes: 4f1c596df706 ("crypto: ccree - Remove debugfs when platform_driver_register failed")
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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Fix that put two or more continuous blank lines inside function.
Signed-off-by: Wenkai Lin <linwenkai6@hisilicon.com>
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There are a couple of spelling mistakes in sec2. Fix them.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Reduce the function complexity by use the function table in the
process of dumping queue. The function input parameters are
unified. And maintainability is enhanced.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Considering that the qm feature and debugfs feature are independent.
The code related to debugfs is getting larger and larger. It should be
separate as a debugfs file. So move some debugfs code to new file from
qm file. The qm code logic is not modified. And maintainability is
enhanced.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The last register logic and different register logic are combined.
Use "u32" instead of 'int' in the regs function input parameter to
simplify some checks.
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 security data in the pointer. It is only a value transferred
as a structure. It makes no sense to zero a variable that is on the stack.
So not need to set the pointer to null.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When platform_driver_register failed, we need to remove debugfs,
which will caused a resource leak, fix it.
Failed logs as follows:
[ 32.606488] debugfs: Directory 'ccree' with parent '/' already present!
Fixes: 4c3f97276e15 ("crypto: ccree - introduce CryptoCell driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Most hw_random devices return entropy which is assumed to be of full
quality, but driver authors don't bother setting the quality knob. Some
hw_random devices return less than full quality entropy, and then driver
authors set the quality knob. Therefore, the entropy crediting should be
opt-out rather than opt-in per-driver, to reflect the actual reality on
the ground.
For example, the two Raspberry Pi RNG drivers produce full entropy
randomness, and both EDK2 and U-Boot's drivers for these treat them as
such. The result is that EFI then uses these numbers and passes the to
Linux, and Linux credits them as boot, thereby initializing the RNG.
Yet, in Linux, the quality knob was never set to anything, and so on the
chance that Linux is booted without EFI, nothing is ever credited.
That's annoying.
The same pattern appears to repeat itself throughout various drivers. In
fact, very very few drivers have bothered setting quality=1024.
Looking at the git history of existing drivers and corresponding mailing
list discussion, this conclusion tracks. There's been a decent amount of
discussion about drivers that set quality < 1024 -- somebody read and
interepreted a datasheet, or made some back of the envelope calculation
somehow. But there's been very little, if any, discussion about most
drivers where the quality is just set to 1024 or unset (or set to 1000
when the authors misunderstood the API and assumed it was base-10 rather
than base-2); in both cases the intent was fairly clear of, "this is a
hardware random device; it's fine."
So let's invert this logic. A hw_random struct's quality knob now
controls the maximum quality a driver can produce, or 0 to specify 1024.
Then, the module-wide switch called "default_quality" is changed to
represent the maximum quality of any driver. By default it's 1024, and
the quality of any particular driver is then given by:
min(default_quality, rng->quality ?: 1024);
This way, the user can still turn this off for weird reasons (and we can
replace whatever driver-specific disabling hacks existed in the past),
yet we get proper crediting for relevant RNGs.
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The ADF_STATUS_PF_RUNNING bit is set after the successful initialization
of the communication between VF to PF in adf_vf2pf_notify_init().
So, it is not required to be set after the execution of the function
adf_dev_init().
Signed-off-by: Shashank Gupta <shashank.gupta@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There is no need to call the dev_err() function directly to print a
custom message when handling an error from either the platform_get_irq()
or platform_get_irq_byname() functions as both are going to display an
appropriate error message in case of a failure.
./drivers/crypto/rockchip/rk3288_crypto.c:351:2-9: line 351 is
redundant because platform_get_irq() already prints an error
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2677
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The gf128mul library does not depend on the crypto API at all, so it can
be moved into lib/crypto. This will allow us to use it in other library
code in a subsequent patch without having to depend on CONFIG_CRYPTO.
While at it, change the Kconfig symbol name to align with other crypto
library implementations. However, the source file name is retained, as
it is reflected in the module .ko filename, and changing this might
break things for users.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Delete the redundant word 'the'.
Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Because the permission on the VF debugfs file is "0444". So
the VF function checking is redundant in qos writing api.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The pci bdf number check is added for qos written by using the pci api.
Directly get the devfn by pci_dev, so delete some redundant code.
And use the kstrtoul instead of sscanf to simplify code.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Increase the buffer to prevent stack overflow by fuzz test. The maximum
length of the qos configuration buffer is 256 bytes. Currently, the value
of the 'val buffer' is only 32 bytes. The sscanf does not check the dest
memory length. So the 'val buffer' may stack overflow.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The RK3399 has 2 rk3288 compatible crypto device named crypto0 and
crypto1. The only difference is lack of RSA in crypto1.
We need to add driver support for 2 parallel instance as only one need
to register crypto algorithms.
Then the driver will round robin each request on each device.
For avoiding complexity (device bringup after a TFM is created), PM is
modified to be handled per request.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The RK3399 has 3 resets, so the driver to handle multiple resets.
This is done by using devm_reset_control_array_get_exclusive().
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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rk_ahash_reg_init() use crypto_info from TFM context, since we will
remove it, let's take if from parameters.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add the number of clocks needed for each compatible.
Rockchip's datasheet give maximum frequencies for some clocks, so add
checks for verifying they are within limits. Let's start with rk3288 for
clock frequency check, other will came later.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The crypto_info to use must be stored in the request context.
This will help when 2 crypto_info will be available on rk3399.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of using the crypto_info from TFM ctx, use the one given as parameter.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of using lot of ctx->dev->xx indirections, use an intermediate
variable for rk_crypto_info.
This will help later, when 2 different rk_crypto_info would be used.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch rework the rk_handle_req(), simply removing the
rk_crypto_info parameter.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Some functions have still ablk in their name even if there are
not handling ablk_cipher anymore.
So let's rename them.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The rk3328 could be used as-is by the rockchip driver.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes some warning reported by checkpatch
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use read_poll_timeout instead of open coding it.
In the same time, fix indentation of related comment.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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rk3328 does not have the same clock names than rk3288, instead of using a complex
clock management, let's use clk_bulk to simplify their handling.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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reset could be handled by PM functions.
We keep the initial reset pulse to be sure the hw is a know device state
after probe.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add runtime PM support for rockchip crypto.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch enable to access usage stats for each algorithm.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of using a custom type for classify algorithms, let's just use
already defined ones.
And let's made a bit more verbose about what is registered.
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of doing manual queue management, let's use the crypto/engine
for that.
In the same time, rework the requests handling to be easier to
understand (and fix all bugs related to them).
Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API")
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now driver have fallback for un-aligned cases, remove all code handling
those cases.
Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API")
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The key should not be set in hardware too much in advance, this will
fail it 2 TFM with different keys generate alternative requests.
The key should be stored and used just before doing cipher operations.
Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API")
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Adds a fallback for all case hardware cannot handle.
Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API")
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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