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8e6857f7 |
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20-Oct-2023 |
Giovanni Cabiddu <giovanni.cabiddu@intel.com> |
crypto: qat - move admin api The admin API is growing and deserves its own include. Move it from adf_common_drv.h to adf_admin.h. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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bec61a29 |
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30-Jun-2023 |
Damian Muszynski <damian.muszynski@intel.com> |
crypto: qat - add heartbeat counters check A firmware update for QAT GEN2 changed the format of a data structure used to report the heartbeat counters. To support all firmware versions, extend the heartbeat logic with an algorithm that detects the number of counters returned by firmware. The algorithm detects the number of counters to be used (and size of the corresponding data structure) by the comparison the expected size of the data in memory, with the data which was written by the firmware. Firmware detection is done one time during the first read of heartbeat debugfs file to avoid increasing the time needed to load the module. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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359b84f8 |
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30-Jun-2023 |
Damian Muszynski <damian.muszynski@intel.com> |
crypto: qat - add heartbeat feature Under some circumstances, firmware in the QAT devices could become unresponsive. The Heartbeat feature provides a mechanism to detect unresponsive devices. The QAT FW periodically writes to memory a set of counters that allow to detect the liveness of a device. This patch adds logic to enable the reporting of those counters, analyze them and report if a device is alive or not. In particular this adds (1) heartbeat enabling, reading and detection logic (2) reporting of heartbeat status and configuration via debugfs (3) documentation for the newly created sysfs entries (4) configuration of FW settings related to heartbeat, e.g. tick period (5) logic to convert time in ms (provided by the user) to clock ticks This patch introduces a new folder in debugfs called heartbeat with the following attributes: - status - queries_sent - queries_failed - config All attributes except config are reading only. In particular: - `status` file returns 0 when device is operational and -1 otherwise. - `queries_sent` returns the total number of heartbeat queries sent. - `queries_failed` returns the total number of heartbeat queries failed. - `config` allows to adjust the frequency at which the firmware writes counters to memory. This period is given in milliseconds and it is fixed for GEN4 devices. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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e2980ba5 |
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30-Jun-2023 |
Damian Muszynski <damian.muszynski@intel.com> |
crypto: qat - add measure clock frequency The QAT hardware does not expose a mechanism to report its clock frequency. This is required to implement the Heartbeat feature. Add a clock measuring algorithm that estimates the frequency by comparing the internal timestamp counter incremented by the firmware with the time measured by the kernel. The frequency value is only used internally and not exposed to the user. Signed-off-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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a4b16dad |
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28-Mar-2023 |
Tom Zanussi <tom.zanussi@linux.intel.com> |
crypto: qat - Move driver to drivers/crypto/intel/qat With the growing number of Intel crypto drivers, it makes sense to group them all into a single drivers/crypto/intel/ directory. Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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