// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) /* Copyright(c) 2015 - 2020 Intel Corporation */ #include "adf_accel_devices.h" #include "adf_common_drv.h" #include "adf_pf2vf_msg.h" /** * adf_vf2pf_init() - send init msg to PF * @accel_dev: Pointer to acceleration VF device. * * Function sends an init message from the VF to a PF * * Return: 0 on success, error code otherwise. */ int adf_vf2pf_init(struct adf_accel_dev *accel_dev) { u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM | (ADF_VF2PF_MSGTYPE_INIT << ADF_VF2PF_MSGTYPE_SHIFT)); if (adf_iov_putmsg(accel_dev, msg, 0)) { dev_err(&GET_DEV(accel_dev), "Failed to send Init event to PF\n"); return -EFAULT; } set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status); return 0; } EXPORT_SYMBOL_GPL(adf_vf2pf_init); /** * adf_vf2pf_shutdown() - send shutdown msg to PF * @accel_dev: Pointer to acceleration VF device. * * Function sends a shutdown message from the VF to a PF * * Return: void */ void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev) { u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM | (ADF_VF2PF_MSGTYPE_SHUTDOWN << ADF_VF2PF_MSGTYPE_SHIFT)); if (test_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status)) if (adf_iov_putmsg(accel_dev, msg, 0)) dev_err(&GET_DEV(accel_dev), "Failed to send Shutdown event to PF\n"); } EXPORT_SYMBOL_GPL(adf_vf2pf_shutdown);