FreeBSD/Linux Kernel Cross Reference
sys/dev/qat/qat_api/qat_direct/include/icp_adf_poll.h

     /* SPDX-License-Identifier: BSD-3-Clause */
     /* Copyright(c) 2007-2022 Intel Corporation */
     /* $FreeBSD$ */
     /*****************************************************************************
      * @file icp_adf_poll.h
      *
      * @description
      *      File contains Public API Definitions for the polling method.
      *
     *****************************************************************************/
    #ifndef ICP_ADF_POLL_H
    #define ICP_ADF_POLL_H
    
    #include "cpa.h"
    /*
     * icp_adf_pollInstance
     *
     * Description:
     * Poll an instance. In order to poll an instance
     * sal will pass in a table of trans handles from which
     * the ring to be polled can be obtained and subsequently
     * polled.
     *
     * Returns:
     *   CPA_STATUS_SUCCESS   on polling a ring with data
     *   CPA_STATUS_FAIL      on failure
     *   CPA_STATUS_RETRY     if ring has no data on it
     *                        or ring is already being polled.
     */
    CpaStatus icp_adf_pollInstance(icp_comms_trans_handle *trans_hnd,
                                   Cpa32U num_transHandles,
                                   Cpa32U response_quota);
    
    /*
     * icp_adf_check_RespInstance
     *
     * Description:
     * Check whether an instance is empty or has remaining responses on it. In
     * order to check an instance for the remaining responses, sal will pass in
     * a table of trans handles from which the instance to be checked can be
     * obtained and subsequently checked.
     *
     * Returns:
     *   CPA_STATUS_SUCCESS         if response ring is empty
     *   CPA_STATUS_FAIL            on failure
     *   CPA_STATUS_RETRY           if response ring is not empty
     *   CPA_STATUS_INVALID_PARAM   Invalid parameter passed in
     */
    CpaStatus icp_adf_check_RespInstance(icp_comms_trans_handle *trans_hnd,
                                         Cpa32U num_transHandles);
    
    #endif /* ICP_ADF_POLL_H */

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