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Build and sysctl configuration modes are introduced for QAT SPR
devices to disable safe dc mode. A new QAT driver build option
‘QAT_DISABLE_SAFE_DC_MODE’ is required to build the QAT driver
with code that allows a request to be sent to FW to override the
‘History Buffer’ mitigation. Default QAT driver builds do not
include this ‘QAT_DISABLE_SAFE_DC_MODE’ build option. Even if the
QAT driver was built with code that allows a request to be sent to
FW to override the ‘History Buffer’ mitigation, the QAT driver must
still be configured using sysctl to request an override of the
‘History Buffer’ mitigation if desired. The default QAT driver
configuration option sysctl dev.qat.X.disable_safe_dc_mode does not
allow override of the mitigation. The new sysctl attribute
disable_safe_dc_mode is to be set to 1 for overriding the history
buffer mitigation. Firmware for qat_4xxx is updated for this change.
If this mode is enabled, decompression throughput increases but may
result in a data leak if num_user_processes is more than 1.
This option is to be enabled only if your system is not prone to
user data leaks.
Reviewed by: markj, ziaee
MFC after: 2 weeks
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D50379
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Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
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Overview:
Intel(R) QuickAssist Technology (Intel(R) QAT) provides hardware
acceleration for offloading security, authentication and compression
services from the CPU, thus significantly increasing the performance and
efficiency of standard platform solutions.
This commit introduces:
- Intel® 4xxx Series VF driver support.
- Device configurability via sysctls.
- UIO support for Intel® 4xxx Series devices.
Patch co-authored by: Krzysztof Zdziarski <krzysztofx.zdziarski@intel.com>
Patch co-authored by: Michal Gulbicki <michalx.gulbicki@intel.com>
Patch co-authored by: Julian Grajkowski <julianx.grajkowski@intel.com>
Patch co-authored by: Piotr Kasierski <piotrx.kasierski@intel.com>
Patch co-authored by: Lukasz Kolodzinski <lukaszx.kolodzinski@intel.com>
Patch co-authored by: Karol Grzadziel <karolx.grzadziel@intel.com>
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D39850
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Overview:
Intel(R) QuickAssist Technology (Intel(R) QAT) provides hardware
acceleration for offloading security, authentication and compression
services from the CPU, thus significantly increasing the performance and
efficiency of standard platform solutions.
This commit introduces:
- Intel® 4xxx Series platform support.
- QuickAssist kernel API implementation update for Generation 4 device.
Enabled services: symmetric cryptography and data compression.
- Increased default number of crypto instances in static configuration
for performance purposes.
OCF backend changes:
- changed GCM/CCM MAC validation policy to generate MAC by HW
and validate by SW due to the QAT HW limitations.
Patch co-authored by: Krzysztof Zdziarski <krzysztofx.zdziarski@intel.com>
Patch co-authored by: Michal Jaraczewski <michalx.jaraczewski@intel.com>
Patch co-authored by: Michal Gulbicki <michalx.gulbicki@intel.com>
Patch co-authored by: Julian Grajkowski <julianx.grajkowski@intel.com>
Patch co-authored by: Piotr Kasierski <piotrx.kasierski@intel.com>
Patch co-authored by: Adam Czupryna <adamx.czupryna@intel.com>
Patch co-authored by: Konrad Zelazny <konradx.zelazny@intel.com>
Patch co-authored by: Katarzyna Rucinska <katarzynax.kargol@intel.com>
Patch co-authored by: Lukasz Kolodzinski <lukaszx.kolodzinski@intel.com>
Patch co-authored by: Zbigniew Jedlinski <zbigniewx.jedlinski@intel.com>
Sponsored by: Intel Corporation
Reviewed by: markj, jhb
Differential Revision: https://reviews.freebsd.org/D36254
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While for in-kernel we already have LINUXKPI_INCLUDES in kern.pre.mk
for kmod builds we've not had a common define to use leading to various
spellings of include paths.
In order for the include list to be expanded more easily in the future,
e.g., adding the "dummy" includes (for all) and to harmonize code,
duplicate LINUXKPI_INCLUDES to kmod.mk and use it for all module Makefiles.
MFC after: 1 week
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D36683
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QAT in-tree driver ported from out-of-tree release available
from 01.org.
The driver exposes complete cryptography and data compression
API in the kernel and integrates with Open Crypto Framework.
Details of supported operations, devices and usage can be found
in man and on 01.org.
Patch co-authored by: Krzysztof Zdziarski <krzysztofx.zdziarski@intel.com>
Patch co-authored by: Michal Jaraczewski <michalx.jaraczewski@intel.com>
Patch co-authored by: Michal Gulbicki <michalx.gulbicki@intel.com>
Patch co-authored by: Julian Grajkowski <julianx.grajkowski@intel.com>
Patch co-authored by: Piotr Kasierski <piotrx.kasierski@intel.com>
Patch co-authored by: Adam Czupryna <adamx.czupryna@intel.com>
Patch co-authored by: Konrad Zelazny <konradx.zelazny@intel.com>
Patch co-authored by: Katarzyna Rucinska <katarzynax.kargol@intel.com>
Patch co-authored by: Lukasz Kolodzinski <lukaszx.kolodzinski@intel.com>
Patch co-authored by: Zbigniew Jedlinski <zbigniewx.jedlinski@intel.com>
Reviewed by: markj, jhb (OCF integration)
Reviewed by: debdrup, pauamma (docs)
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D34632
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