/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright(c) 2007-2022 Intel Corporation */
/*****************************************************************************
 * @file icp_adf_init.h
 *
 * @description
 *      This file contains the function prototype used to register a subsystem
 *      into the Acceleration Driver Framework (ADF).
 *
 *****************************************************************************/
#ifndef ICP_ADF_INIT_H
#define ICP_ADF_INIT_H

#include "icp_accel_devices.h"
#include "adf_kernel_types.h"
#include "adf_cfg_common.h"

/*
 * Events that will be sending to subsystem. The order of the enum
 * declaration matters. It should be defined so that the messages can be
 * sent in loop.
 */
typedef enum icp_adf_subsystemEvent_s {
	ICP_ADF_EVENT_INIT = 0,
	ICP_ADF_EVENT_START,
	ICP_ADF_EVENT_STOP,
	ICP_ADF_EVENT_SHUTDOWN,
	ICP_ADF_EVENT_RESTARING,
	ICP_ADF_EVENT_RESTARTED,
	ICP_ADF_EVENT_ERROR,
	ICP_ADF_EVENT_END
} icp_adf_subsystemEvent_t;

/*
 * Ring info operation used to enable or disable ring polling by ME
 */
typedef enum icp_adf_ringInfoOperation_e {
	ICP_ADF_RING_ENABLE = 0,
	ICP_ADF_RING_DISABLE
} icp_adf_ringInfoOperation_t;

/*
 * Ring generic serivce info private data
 */
typedef enum icp_adf_ringInfoService_e {
	ICP_ADF_RING_SERVICE_0 = 0,
	ICP_ADF_RING_SERVICE_1,
	ICP_ADF_RING_SERVICE_2,
	ICP_ADF_RING_SERVICE_3,
	ICP_ADF_RING_SERVICE_4,
	ICP_ADF_RING_SERVICE_5,
	ICP_ADF_RING_SERVICE_6,
	ICP_ADF_RING_SERVICE_7,
	ICP_ADF_RING_SERVICE_8,
	ICP_ADF_RING_SERVICE_9,
	ICP_ADF_RING_SERVICE_10,
} icp_adf_ringInfoService_t;

/*
 * Ring info callback. Function is used to send operation and ring info
 * to enable or disable ring polling by ME
 */
typedef CpaStatus (*ringInfoCb)(icp_accel_dev_t *accel_dev,
				Cpa32U ringNumber,
				icp_adf_ringInfoOperation_t operation,
				icp_adf_ringInfoService_t info);

/*
 * Registration handle structure
 * Each subservice has to have an instance of it.
 */
typedef struct subservice_registation_handle_s {
	CpaStatus (*subserviceEventHandler)(icp_accel_dev_t *accel_dev,
					    icp_adf_subsystemEvent_t event,
					    void *param);
	struct {
		Cpa32U subsystemInitBit : 1;
		Cpa32U subsystemStartBit : 1;
		Cpa32U subsystemFailedBit : 1;
	} subsystemStatus[ADF_MAX_DEVICES];
	char *subsystem_name;
	struct subservice_registation_handle_s *pNext;
	struct subservice_registation_handle_s *pPrev;
} subservice_registation_handle_t;

/*
 * icp_adf_subsystemRegister
 *
 * Description:
 *  Function used by subsystem to register within ADF
 *  Should be called during insertion of a subsystem
 *
 * Returns:
 *   CPA_STATUS_SUCCESS   on success
 *   CPA_STATUS_FAIL      on failure
 */
CpaStatus icp_adf_subsystemRegister(subservice_registation_handle_t *handle);

/*
 * icp_adf_subsystemUnregister
 *
 * Description:
 *  Function used by subsystem to unregister from ADF
 *  Should be called while subsystem in removed
 *  If the subsystem is initialised and/or started
 *  it will be stopped and shutdown by this function
 *
 * Returns:
 *   CPA_STATUS_SUCCESS   on success
 *   CPA_STATUS_FAIL      on failure
 */
CpaStatus icp_adf_subsystemUnregister(subservice_registation_handle_t *handle);

/*
 * icp_adf_accesLayerRingInfoCbRegister
 *
 * Description:
 *  Function register access layer callback, which sends ring info message
 *
 * Returns:
 *   CPA_STATUS_SUCCESS   on success
 *   CPA_STATUS_FAIL      on failure
 */
CpaStatus icp_adf_accesLayerRingInfoCbRegister(icp_accel_dev_t *accel_dev,
					       ringInfoCb);

/*
 * icp_adf_accesLayerRingInfoCbUnregister
 *
 * Description:
 *  Function unregister access layer callback for ring info message
 *
 * Returns:
 *   CPA_STATUS_SUCCESS   on success
 *   CPA_STATUS_FAIL      on failure
 */
void icp_adf_accesLayerRingInfoCbUnregister(icp_accel_dev_t *accel_dev);

/*
 * icp_adf_isSubsystemStarted
 *
 * Description:
 * Function returns true if the service is started on a device
 *
 * Returns:
 *   CPA_TRUE   if subsystem is started
 *   CPA_FALSE  if subsystem is not started
 */

CpaBoolean
icp_adf_isSubsystemStarted(subservice_registation_handle_t *subsystem_hdl);

/*
 * icp_adf_isDevStarted
 *
 * Description:
 * Function returns true if the device is started
 * Returns:
 *   CPA_TRUE   if dev is started
 *   CPA_FALSE  if dev is not started
 */
CpaBoolean icp_adf_isDevStarted(icp_accel_dev_t *accel_dev);

/*
 * adf_subsystemRestarting
 *
 * Description:
 * Function sends restarting event to all subsystems.
 * This function should be used by error handling function only
 *
 * Returns:
 *   CPA_TRUE   on success
 *   CPA_FALSE  on failure
 */
CpaStatus adf_subsystemRestarting(icp_accel_dev_t *accel_dev);

/*
 * adf_subsystemRestarted
 *
 * Description:
 * Function sends restarted event to all subsystems.
 * This function should be used by error handling function only
 *
 * Returns:
 *   CPA_TRUE   on success
 *   CPA_FALSE  on failure
 */
CpaStatus adf_subsystemRestarted(icp_accel_dev_t *accel_dev);

/*
 * adf_subsystemError
 *
 * Description:
 * Function sends error event to all subsystems.
 * This function should be used by error handling funct. only
 *
 * Returns:
 *   CPA_STATUS_SUCCESS   on success
 *   CPA_STATUS_FAIL      on failure
 */
CpaStatus adf_subsystemError(icp_accel_dev_t *accel_dev);

/*
 * reset_adf_subsystemTable
 *
 * Description:
 * Function to reset subsystem table head, the pointer
 * to the head of the list and lock.
 *
 * Returns: void
 */
void reset_adf_subsystemTable(void);

#endif /* ICP_ADF_INIT_H */