On Fri, Jun 30, 2023 at 07:03:53PM +0200, Damian Muszynski wrote: > This set introduces support for the QAT heartbeat feature. It allows > detection whenever device firmware or acceleration unit will hang. > We're adding this feature to allow our clients having a tool with > they could verify if all of the Quick Assist hardware resources are > healthy and operational. > > QAT device firmware periodically writes counters to a specified physical > memory location. A pair of counters per thread is incremented at > the start and end of the main processing loop within the firmware. > Checking for Heartbeat consists of checking the validity of the pair > of counter values for each thread. Stagnant counters indicate > a firmware hang. > > The first patch adds timestamp synchronization to the firmware. > The second patch removes historical and never used HB definitions. > Patch no. 3 is implementing the hardware clock frequency measuring > interface. > The fourth introduces the main heartbeat implementation with the debugfs > interface. > The last patch implements an algorithm that allows the code to detect > which version of heartbeat API is used at the currently loaded firmware. > > Changes since v3: > - improved comment in measure_clock() as suggested by Andy Shevchenko > - changed release date and version for 6.6 in interface documentation > > Changes since v2: > - fixed build error on a few of architectures - reduced unnecessary > 64bit division. > > Changes since v1: > - fixed build errors on a few of architectures - replaced macro > DIV_ROUND_CLOSEST with DIV_ROUND_CLOSEST_ULL > - included prerequisite patch "add internal timer for qat 4xxx" which initially > was sent separately as this patchset was still in development. > - timer patch reworked to use delayed work as suggested by Herbert Xu > > Damian Muszynski (5): > crypto: qat - add internal timer for qat 4xxx > crypto: qat - drop obsolete heartbeat interface > crypto: qat - add measure clock frequency > crypto: qat - add heartbeat feature > crypto: qat - add heartbeat counters check > > Documentation/ABI/testing/debugfs-driver-qat | 51 +++ > .../intel/qat/qat_4xxx/adf_4xxx_hw_data.c | 14 + > .../intel/qat/qat_4xxx/adf_4xxx_hw_data.h | 4 + > drivers/crypto/intel/qat/qat_4xxx/adf_drv.c | 3 + > .../intel/qat/qat_c3xxx/adf_c3xxx_hw_data.c | 28 ++ > .../intel/qat/qat_c3xxx/adf_c3xxx_hw_data.h | 7 + > .../intel/qat/qat_c62x/adf_c62x_hw_data.c | 28 ++ > .../intel/qat/qat_c62x/adf_c62x_hw_data.h | 7 + > drivers/crypto/intel/qat/qat_common/Makefile | 4 + > .../intel/qat/qat_common/adf_accel_devices.h | 13 + > .../crypto/intel/qat/qat_common/adf_admin.c | 43 +++ > .../intel/qat/qat_common/adf_cfg_strings.h | 2 + > .../crypto/intel/qat/qat_common/adf_clock.c | 131 +++++++ > .../crypto/intel/qat/qat_common/adf_clock.h | 14 + > .../intel/qat/qat_common/adf_common_drv.h | 5 + > .../crypto/intel/qat/qat_common/adf_dbgfs.c | 9 +- > .../intel/qat/qat_common/adf_gen2_config.c | 7 + > .../intel/qat/qat_common/adf_gen2_hw_data.h | 3 + > .../intel/qat/qat_common/adf_gen4_hw_data.h | 3 + > .../intel/qat/qat_common/adf_gen4_timer.c | 70 ++++ > .../intel/qat/qat_common/adf_gen4_timer.h | 21 ++ > .../intel/qat/qat_common/adf_heartbeat.c | 336 ++++++++++++++++++ > .../intel/qat/qat_common/adf_heartbeat.h | 79 ++++ > .../qat/qat_common/adf_heartbeat_dbgfs.c | 194 ++++++++++ > .../qat/qat_common/adf_heartbeat_dbgfs.h | 12 + > .../crypto/intel/qat/qat_common/adf_init.c | 28 ++ > drivers/crypto/intel/qat/qat_common/adf_isr.c | 6 + > .../qat/qat_common/icp_qat_fw_init_admin.h | 23 +- > .../qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | 13 + > .../qat/qat_dh895xcc/adf_dh895xcc_hw_data.h | 5 + > 30 files changed, 1147 insertions(+), 16 deletions(-) > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_clock.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_clock.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_gen4_timer.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_gen4_timer.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_heartbeat.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_heartbeat.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_heartbeat_dbgfs.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_heartbeat_dbgfs.h > > > base-commit: 67b9bc0df80cfa241fe7a9c2b857c3e3efde982a > -- > 2.40.1 All applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
