On Fri, Oct 20, 2023 at 03:49:20PM +0200, Damian Muszynski wrote: > This set enables hardware rate limiting capabilities on QAT 4xxx > accelerators. Rate Limiting allows to control the rate of the requests > that can be submitted to a ring pair (RP). This allows sharing > a QAT device among multiple users while ensuring guaranteed throughput. > > The driver provides a mechanism that allows users to set policies, through > a sysfs interface, that are then programmed to the device. The device is > then enforcing the policies. > > The first six commits are refactoring and additions in preparation for > the feature. > Patch #6 introduces a mechanism for retrieving firmware feature > capabilities. > Patch #8 implements the core of the rate limiting feature by providing > mechanisms to set rate limiting policies (aka SLAs). > The final three commits add the required sysfs interface that allow > users to configure SLAs. > > Changes since v1: > - Removed unnecessary check > - Simplified a few error paths > - Reduced a few local variables > - Fixed repeated error message > - Moved mutex lock above sla_id existence check. > - Added Reviewed-by tag from Tero Kristo received from an internal review > of the set. > > Ciunas Bennett (3): > crypto: qat - add rate limiting sysfs interface > crypto: qat - add rp2svc sysfs attribute > crypto: qat - add num_rps sysfs attribute > > Damian Muszynski (4): > units: Add BYTES_PER_*BIT > crypto: qat - add bits.h to icp_qat_hw.h > crypto: qat - add retrieval of fw capabilities > crypto: qat - add rate limiting feature to qat_4xxx > > Giovanni Cabiddu (4): > crypto: qat - refactor fw config related functions > crypto: qat - use masks for AE groups > crypto: qat - fix ring to service map for QAT GEN4 > crypto: qat - move admin api > > Documentation/ABI/testing/sysfs-driver-qat | 46 + > Documentation/ABI/testing/sysfs-driver-qat_rl | 227 ++++ > .../intel/qat/qat_4xxx/adf_4xxx_hw_data.c | 190 ++- > .../intel/qat/qat_4xxx/adf_4xxx_hw_data.h | 13 +- > .../intel/qat/qat_c3xxx/adf_c3xxx_hw_data.c | 1 + > .../intel/qat/qat_c62x/adf_c62x_hw_data.c | 1 + > drivers/crypto/intel/qat/qat_common/Makefile | 3 + > .../intel/qat/qat_common/adf_accel_devices.h | 11 + > .../crypto/intel/qat/qat_common/adf_admin.c | 71 + > .../crypto/intel/qat/qat_common/adf_admin.h | 27 + > .../crypto/intel/qat/qat_common/adf_clock.c | 1 + > .../intel/qat/qat_common/adf_cnv_dbgfs.c | 1 + > .../intel/qat/qat_common/adf_common_drv.h | 10 - > .../intel/qat/qat_common/adf_fw_counters.c | 1 + > .../intel/qat/qat_common/adf_gen4_hw_data.h | 7 + > .../crypto/intel/qat/qat_common/adf_gen4_pm.c | 1 + > .../qat/qat_common/adf_gen4_pm_debugfs.c | 1 + > .../intel/qat/qat_common/adf_gen4_timer.c | 1 + > .../intel/qat/qat_common/adf_heartbeat.c | 1 + > .../qat/qat_common/adf_heartbeat_dbgfs.c | 1 + > .../crypto/intel/qat/qat_common/adf_init.c | 13 + > drivers/crypto/intel/qat/qat_common/adf_rl.c | 1169 +++++++++++++++++ > drivers/crypto/intel/qat/qat_common/adf_rl.h | 176 +++ > .../intel/qat/qat_common/adf_rl_admin.c | 97 ++ > .../intel/qat/qat_common/adf_rl_admin.h | 18 + > .../crypto/intel/qat/qat_common/adf_sysfs.c | 80 ++ > .../intel/qat/qat_common/adf_sysfs_rl.c | 451 +++++++ > .../intel/qat/qat_common/adf_sysfs_rl.h | 11 + > .../qat/qat_common/icp_qat_fw_init_admin.h | 41 + > .../crypto/intel/qat/qat_common/icp_qat_hw.h | 2 + > .../qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | 1 + > include/linux/units.h | 4 + > 32 files changed, 2605 insertions(+), 73 deletions(-) > create mode 100644 Documentation/ABI/testing/sysfs-driver-qat_rl > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_admin.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_rl.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_rl.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_rl_admin.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_rl_admin.h > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_sysfs_rl.c > create mode 100644 drivers/crypto/intel/qat/qat_common/adf_sysfs_rl.h > > > base-commit: 1bb03421eab67940b6509fe0869ff43df5fbe3e6 > -- > 2.34.1 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
