diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_init.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_init.c | 91 |
1 files changed, 80 insertions, 11 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_init.c b/drivers/crypto/qat/qat_common/adf_init.c index 5c0e47a00a87..a3afa0ff9ec6 100644 --- a/drivers/crypto/qat/qat_common/adf_init.c +++ b/drivers/crypto/qat/qat_common/adf_init.c @@ -108,26 +108,47 @@ int adf_service_unregister(struct service_hndl *service) EXPORT_SYMBOL_GPL(adf_service_unregister); /** - * adf_dev_start() - Start acceleration service for the given accel device - * @accel_dev: Pointer to acceleration device. + * adf_dev_init() - Init data structures and services for the given accel device + * @accel_dev: Pointer to acceleration device. * - * Function notifies all the registered services that the acceleration device - * is ready to be used. - * To be used by QAT device specific drivers. + * Initialize the ring data structures and the admin comms and arbitration + * services. * * Return: 0 on success, error code othewise. */ -int adf_dev_start(struct adf_accel_dev *accel_dev) +int adf_dev_init(struct adf_accel_dev *accel_dev) { struct service_hndl *service; struct list_head *list_itr; struct adf_hw_device_data *hw_data = accel_dev->hw_device; + if (!hw_data) { + dev_err(&GET_DEV(accel_dev), + "QAT: Failed to init device - hw_data not set\n"); + return -EFAULT; + } + if (!test_bit(ADF_STATUS_CONFIGURED, &accel_dev->status)) { pr_info("QAT: Device not configured\n"); return -EFAULT; } - set_bit(ADF_STATUS_STARTING, &accel_dev->status); + + if (adf_init_etr_data(accel_dev)) { + dev_err(&GET_DEV(accel_dev), "Failed initialize etr\n"); + return -EFAULT; + } + + if (hw_data->init_admin_comms && hw_data->init_admin_comms(accel_dev)) { + dev_err(&GET_DEV(accel_dev), "Failed initialize admin comms\n"); + return -EFAULT; + } + + if (hw_data->init_arb && hw_data->init_arb(accel_dev)) { + dev_err(&GET_DEV(accel_dev), "Failed initialize hw arbiter\n"); + return -EFAULT; + } + + hw_data->enable_ints(accel_dev); if (adf_ae_init(accel_dev)) { pr_err("QAT: Failed to initialise Acceleration Engine\n"); @@ -178,6 +199,27 @@ int adf_dev_start(struct adf_accel_dev *accel_dev) hw_data->enable_error_correction(accel_dev); + return 0; +} +EXPORT_SYMBOL_GPL(adf_dev_init); + +/** + * adf_dev_start() - Start acceleration service for the given accel device + * @accel_dev: Pointer to acceleration device. + * + * Function notifies all the registered services that the acceleration device + * is ready to be used. + * To be used by QAT device specific drivers. + * + * Return: 0 on success, error code othewise. + */ +int adf_dev_start(struct adf_accel_dev *accel_dev) +{ + struct service_hndl *service; + struct list_head *list_itr; + + set_bit(ADF_STATUS_STARTING, &accel_dev->status); + if (adf_ae_start(accel_dev)) { pr_err("QAT: AE Start Failed\n"); return -EFAULT; @@ -232,7 +274,6 @@ EXPORT_SYMBOL_GPL(adf_dev_start); */ int adf_dev_stop(struct adf_accel_dev *accel_dev) { - struct adf_hw_device_data *hw_data = accel_dev->hw_device; struct service_hndl *service; struct list_head *list_itr; int ret, wait = 0; @@ -241,7 +282,6 @@ int adf_dev_stop(struct adf_accel_dev *accel_dev) !test_bit(ADF_STATUS_STARTING, &accel_dev->status)) { return 0; } - clear_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); clear_bit(ADF_STATUS_STARTING, &accel_dev->status); clear_bit(ADF_STATUS_STARTED, &accel_dev->status); @@ -285,6 +325,29 @@ int adf_dev_stop(struct adf_accel_dev *accel_dev) clear_bit(ADF_STATUS_AE_STARTED, &accel_dev->status); } + return 0; +} +EXPORT_SYMBOL_GPL(adf_dev_stop); + +/** + * adf_dev_shutdown() - shutdown acceleration services and data strucutures + * @accel_dev: Pointer to acceleration device + * + * Cleanup the ring data structures and the admin comms and arbitration + * services. + */ +void adf_dev_shutdown(struct adf_accel_dev *accel_dev) +{ + struct adf_hw_device_data *hw_data = accel_dev->hw_device; + struct service_hndl *service; + struct list_head *list_itr; + + if (!hw_data) { + dev_err(&GET_DEV(accel_dev), + "QAT: Failed to shutdown device - hw_data not set\n"); + return; + } + if (test_bit(ADF_STATUS_AE_UCODE_LOADED, &accel_dev->status)) { if (adf_ae_fw_release(accel_dev)) pr_err("QAT: Failed to release the ucode\n"); @@ -335,9 +398,15 @@ int adf_dev_stop(struct adf_accel_dev *accel_dev) if (!test_bit(ADF_STATUS_RESTARTING, &accel_dev->status)) adf_cfg_del_all(accel_dev); - return 0; + if (hw_data->exit_arb) + hw_data->exit_arb(accel_dev); + + if (hw_data->exit_admin_comms) + hw_data->exit_admin_comms(accel_dev); + + adf_cleanup_etr_data(accel_dev); } -EXPORT_SYMBOL_GPL(adf_dev_stop); +EXPORT_SYMBOL_GPL(adf_dev_shutdown); int adf_dev_restarting_notify(struct adf_accel_dev *accel_dev) { |
