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[ Upstream commit 18fcba469ba5359c1de7e3fb16f7b9e8cd1b8e02 ]
Upon receiving a PFVF message, check if the interrupt bit is set in the
message. If it is not, that means that the interrupt was probably
triggered by a collision. In this case, disregard the message and
re-enable the interrupts.
Fixes: ed8ccaef52fa ("crypto: qat - Add support for SRIOV")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9b768e8a3909ac1ab39ed44a3933716da7761a6f ]
Detect a PFVF collision between the local and the remote function by
checking if the message on the PFVF CSR has been overwritten.
This is done after the remote function confirms that the message has
been received, by clearing the interrupt bit, or the maximum number of
attempts (ADF_IOV_MSG_ACK_MAX_RETRY) to check the CSR has been exceeded.
Fixes: ed8ccaef52fa ("crypto: qat - Add support for SRIOV")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Co-developed-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 462354d986b6a89c6449b85f17aaacf44e455216 ]
Replace vf_mask type with unsigned long to avoid a stack-out-of-bound.
This is to fix the following warning reported by KASAN the first time
adf_msix_isr_ae() gets called.
[ 692.091987] BUG: KASAN: stack-out-of-bounds in find_first_bit+0x28/0x50
[ 692.092017] Read of size 8 at addr ffff88afdf789e60 by task swapper/32/0
[ 692.092076] Call Trace:
[ 692.092089] <IRQ>
[ 692.092101] dump_stack+0x9c/0xcf
[ 692.092132] print_address_description.constprop.0+0x18/0x130
[ 692.092164] ? find_first_bit+0x28/0x50
[ 692.092185] kasan_report.cold+0x7f/0x111
[ 692.092213] ? static_obj+0x10/0x80
[ 692.092234] ? find_first_bit+0x28/0x50
[ 692.092262] find_first_bit+0x28/0x50
[ 692.092288] adf_msix_isr_ae+0x16e/0x230 [intel_qat]
Fixes: ed8ccaef52fa ("crypto: qat - Add support for SRIOV")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 645ae0af1840199086c33e4f841892ebee73f615 ]
The function adf_iov_putmsg() is only used inside the intel_qat module
therefore should not be exported.
Remove EXPORT_SYMBOL for the function adf_iov_putmsg().
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b90c1c4d3fa8cd90f4e8245b13564380fd0bfad1 ]
At start and shutdown, VFs notify the PF about their state. These
notifications are carried out through a message exchange using the PFVF
protocol.
Function names lead to believe they do perform init or shutdown logic.
This is to fix the naming to better reflect their purpose.
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3d655732b0199562267a05c7ff69ecdd11632939 ]
Use reinit_completion() to set to a clean state a completion variable,
used to coordinate the VF to PF request-response flow, before every
new VF request.
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0a73c762e1eee33a5e5dc0e3488f1b7cd17249b3 ]
The top half of the VF drivers handled only a source at the time.
If an interrupt for PF2VF and bundle occurred at the same time, the ISR
scheduled only the bottom half for PF2VF.
This patch fixes the VF top half so that if both sources of interrupt
trigger at the same time, both bottom halves are scheduled.
This patch is based on earlier work done by Conor McLoughlin.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5147f0906d50a9d26f2b8698cd06b5680e9867ff ]
The function adf_dev_init() ignores the error code reported by
enable_vf2pf_comms(). If the latter fails, e.g. the VF is not compatible
with the pf, then the load of the VF driver progresses.
This patch changes adf_dev_init() so that the error code from
enable_vf2pf_comms() is returned to the caller.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9afe77cf25d9670e61b489fd52cc6f75fd7f6803 ]
Remove the unused macro ICP_DH895XCC_PESRAM_BAR_SIZE in the firmware
loader.
This is to fix the following warning when compiling the driver using the
clang compiler with CC=clang W=2:
drivers/crypto/qat/qat_common/qat_uclo.c:345:9: warning: macro is not used [-Wunused-macros]
Signed-off-by: Jack Xu <jack.xu@intel.com>
Co-developed-by: Zhehui Xiang <zhehui.xiang@intel.com>
Signed-off-by: Zhehui Xiang <zhehui.xiang@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 96b57229209490c8bca4335b01a426a96173dc56 ]
Check the return code of the function qat_hal_rd_rel_reg() and return it
to the caller.
This is to fix the following warning when compiling the driver with
clang scan-build:
drivers/crypto/qat/qat_common/qat_hal.c:1436:2: warning: 6th function call argument is an uninitialized value
Signed-off-by: Jack Xu <jack.xu@intel.com>
Co-developed-by: Zhehui Xiang <zhehui.xiang@intel.com>
Signed-off-by: Zhehui Xiang <zhehui.xiang@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f7cae626cabb3350b23722b78fe34dd7a615ca04 ]
In adf_create_ring, if the callee adf_init_ring() failed, the callee will
free the ring->base_addr by dma_free_coherent() and return -EFAULT. Then
adf_create_ring will goto err and the ring->base_addr will be freed again
in adf_cleanup_ring().
My patch sets ring->base_addr to NULL after the first freed to avoid the
double free.
Fixes: a672a9dc872ec ("crypto: qat - Intel(R) QAT transport code")
Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 83dc1173d73f80cbce2fee4d308f51f87b2f26ae ]
The function adf_isr_resource_alloc() is not unwinding correctly in case
of error.
This patch fixes the error paths and propagate the errors to the caller.
Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446 ]
ADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown()
before calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the
vf2pf_lock is initialized in adf_dev_init(), which can fail and when it
fail, the vf2pf_lock is either not initialized or destroyed, a subsequent
use of vf2pf_lock will cause issue.
To fix this issue, only set this flag if adf_dev_init() returns 0.
[ 7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0
[ 7.180345] Call Trace:
[ 7.182576] mutex_lock+0xc9/0xd0
[ 7.183257] adf_iov_putmsg+0x118/0x1a0 [intel_qat]
[ 7.183541] adf_vf2pf_shutdown+0x4d/0x7b [intel_qat]
[ 7.183834] adf_dev_shutdown+0x172/0x2b0 [intel_qat]
[ 7.184127] adf_probe+0x5e9/0x600 [qat_dh895xccvf]
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Fixes: 25c6ffb249f6 ("crypto: qat - check if PF is running")
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 45cb6653b0c355fc1445a8069ba78a4ce8720511 upstream.
Return -EINVAL for authenc(hmac(sha1),cbc(aes)),
authenc(hmac(sha256),cbc(aes)) and authenc(hmac(sha512),cbc(aes))
if the cipher length is not multiple of the AES block.
This is to prevent an undefined device behaviour.
Fixes: d370cec32194 ("crypto: qat - Intel(R) QAT crypto interface")
Cc: <stable@vger.kernel.org>
Signed-off-by: Dominik Przychodni <dominik.przychodni@intel.com>
[giovanni.cabiddu@intel.com: reworded commit message]
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c06c76602e03bde24ee69a2022a829127e504202 upstream.
clang static analysis flags this error
qat_uclo.c:297:3: warning: Attempt to free released memory
[unix.Malloc]
kfree(*init_tab_base);
^~~~~~~~~~~~~~~~~~~~~
When input *init_tab_base is null, the function allocates memory for
the head of the list. When there is problem allocating other list
elements the list is unwound and freed. Then a check is made if the
list head was allocated and is also freed.
Keeping track of the what may need to be freed is the variable 'tail_old'.
The unwinding/freeing block is
while (tail_old) {
mem_init = tail_old->next;
kfree(tail_old);
tail_old = mem_init;
}
The problem is that the first element of tail_old is also what was
allocated for the list head
init_header = kzalloc(sizeof(*init_header), GFP_KERNEL);
...
*init_tab_base = init_header;
flag = 1;
}
tail_old = init_header;
So *init_tab_base/init_header are freed twice.
There is another problem.
When the input *init_tab_base is non null the tail_old is calculated by
traveling down the list to first non null entry.
tail_old = init_header;
while (tail_old->next)
tail_old = tail_old->next;
When the unwinding free happens, the last entry of the input list will
be freed.
So the freeing needs a general changed.
If locally allocated the first element of tail_old is freed, else it
is skipped. As a bit of cleanup, reset *init_tab_base if it came in
as null.
Fixes: b4b7e67c917f ("crypto: qat - Intel(R) QAT ucode part of fw loader")
Cc: <stable@vger.kernel.org>
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 1b82feb6c5e1996513d0fb0bbb475417088b4954 upstream.
It seems that smp_processor_id() is only used for a best-effort
load-balancing, refer to qat_crypto_get_instance_node(). It's not feasible
to disable preemption for the duration of the crypto requests. Therefore,
just silence the warning. This commit is similar to e7a9b05ca4
("crypto: cavium - Fix smp_processor_id() warnings").
Silences the following splat:
BUG: using smp_processor_id() in preemptible [00000000] code: cryptomgr_test/2904
caller is qat_alg_ablkcipher_setkey+0x300/0x4a0 [intel_qat]
CPU: 1 PID: 2904 Comm: cryptomgr_test Tainted: P O 4.14.69 #1
...
Call Trace:
dump_stack+0x5f/0x86
check_preemption_disabled+0xd3/0xe0
qat_alg_ablkcipher_setkey+0x300/0x4a0 [intel_qat]
skcipher_setkey_ablkcipher+0x2b/0x40
__test_skcipher+0x1f3/0xb20
? cpumask_next_and+0x26/0x40
? find_busiest_group+0x10e/0x9d0
? preempt_count_add+0x49/0xa0
? try_module_get+0x61/0xf0
? crypto_mod_get+0x15/0x30
? __kmalloc+0x1df/0x1f0
? __crypto_alloc_tfm+0x116/0x180
? crypto_skcipher_init_tfm+0xa6/0x180
? crypto_create_tfm+0x4b/0xf0
test_skcipher+0x21/0xa0
alg_test_skcipher+0x3f/0xa0
alg_test.part.6+0x126/0x2a0
? finish_task_switch+0x21b/0x260
? __schedule+0x1e9/0x800
? __wake_up_common+0x8d/0x140
cryptomgr_test+0x40/0x50
kthread+0xff/0x130
? cryptomgr_notify+0x540/0x540
? kthread_create_on_node+0x70/0x70
ret_from_fork+0x24/0x50
Fixes: ed8ccaef52 ("crypto: qat - Add support for SRIOV")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 685ce0626840e2673fe64ea8807684f7324fec5f upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3484ecbe0e9deb94afb0b9b6172d77e98eb72b94 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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>
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>
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>
Increase value of supported key sizes for qat_aes_xts.
aes-xts keys consists of keys of equal size concatenated.
Fixes: def14bfaf30d ("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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>