FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxe/ecore_iscsi.h

     /*
      * Copyright (c) 2017-2018 Cavium, Inc. 
      * All rights reserved.
      *
      *  Redistribution and use in source and binary forms, with or without
      *  modification, are permitted provided that the following conditions
      *  are met:
      *
      *  1. Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *  2. Redistributions in binary form must reproduce the above copyright
     *     notice, this list of conditions and the following disclaimer in the
     *     documentation and/or other materials provided with the distribution.
     *
     *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     *  POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     *
     */
    
    #ifndef __ECORE_ISCSI_H__
    #define __ECORE_ISCSI_H__
    
    #include "ecore.h"
    #include "ecore_chain.h"
    #include "ecore_hsi_common.h"
    #include "tcp_common.h"
    #include "ecore_hsi_iscsi.h"
    #include "ecore_sp_commands.h"
    #include "ecore_iscsi_api.h"
    
    #ifndef __EXTRACT__LINUX__H__
    struct ecore_iscsi_info {
            osal_spinlock_t  lock;
            osal_list_t      free_list;
            u16              max_num_outstanding_tasks;
            void             *event_context;
            iscsi_event_cb_t event_cb;
    };
    
    #ifdef CONFIG_ECORE_ISCSI
    enum _ecore_status_t ecore_iscsi_alloc(struct ecore_hwfn *p_hwfn);
    
    void ecore_iscsi_setup(struct ecore_hwfn *p_hwfn);
    
    void ecore_iscsi_free(struct ecore_hwfn *p_hwfn);
    #else
    static inline enum _ecore_status_t
    ecore_iscsi_alloc(struct ecore_hwfn OSAL_UNUSED *p_hwfn)
    {
            return ECORE_INVAL;
    }
    
    static inline void
    ecore_iscsi_setup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
    
    static inline void
    ecore_iscsi_free(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {}
    #endif
    #endif
    
    void ecore_iscsi_free_connection(struct ecore_hwfn *p_hwfn,
                                     struct ecore_iscsi_conn *p_conn);
    
    /**
     * @brief ecore_sp_iscsi_conn_offload - iSCSI connection offload
     *
     * This ramrod offloads iSCSI connection to FW
     *
     * @param p_path
     * @param p_conn
     * @param comp_mode
     * @param comp_addr
     *
     * @return enum _ecore_status_t
     */
    enum _ecore_status_t
    ecore_sp_iscsi_conn_offload(struct ecore_hwfn *p_hwfn,
                                struct ecore_iscsi_conn *p_conn,
                                enum spq_mode comp_mode,
                                struct ecore_spq_comp_cb *p_comp_addr);
    
    /**
     * @brief ecore_sp_iscsi_conn_update - iSCSI connection update
     *
     * This ramrod updatess iSCSI ofloadedconnection in FW
     *
     * @param p_path
     * @param p_conn
    * @param comp_mode
    * @param comp_addr
    *
    * @return enum _ecore_status_t
    */
   enum _ecore_status_t
   ecore_sp_iscsi_conn_update(struct ecore_hwfn *p_hwfn,
                              struct ecore_iscsi_conn *p_conn,
                              enum spq_mode comp_mode,
                              struct ecore_spq_comp_cb *p_comp_addr);
   
   /**
    * @brief ecore_sp_iscsi_mac_update - iSCSI connection's MAC update
    *
    * This ramrod updates remote MAC for iSCSI offloaded connection in FW
    *
    * @param p_path
    * @param p_conn
    * @param comp_mode
    * @param comp_addr
    *
    * @return enum _ecore_status_t
    */
   enum _ecore_status_t
   ecore_sp_iscsi_mac_update(struct ecore_hwfn *p_hwfn,
                             struct ecore_iscsi_conn *p_conn,
                             enum spq_mode comp_mode,
                             struct ecore_spq_comp_cb *p_comp_addr);
   
     /**
    * @brief ecore_sp_iscsi_mac_update - iSCSI connection's MAC update
    *
    * This ramrod updates remote MAC for iSCSI offloaded connection in FW
    *
    * @param p_path
    * @param p_conn
    * @param reset
    * @param comp_mode
    * @param comp_addr
    *
    * @return enum _ecore_status_t
    */
   enum _ecore_status_t
   ecore_sp_iscsi_stats_tcp_update(struct ecore_hwfn *p_hwfn,
                                   struct ecore_iscsi_conn *p_conn,
                                   bool reset,
                                   enum spq_mode comp_mode,
                                   struct ecore_spq_comp_cb *p_comp_addr);
   
   /**
    * @brief ecore_sp_iscsi_conn_terminate - iSCSI connection
    *        terminate
    *
    * This ramrod deletes iSCSI offloaded connection in FW
    *
    * @param p_path
    * @param p_conn
    * @param comp_mode
    * @param comp_addr
    *
    * @return enum _ecore_status_t
    */
   enum _ecore_status_t
   ecore_sp_iscsi_conn_terminate(struct ecore_hwfn *p_hwfn,
                                 struct ecore_iscsi_conn *p_conn,
                                 enum spq_mode comp_mode,
                                 struct ecore_spq_comp_cb *p_comp_addr);
   
   /**
    * @brief ecore_sp_iscsi_conn_clear_sq - iSCSI connection
    *        clear SQ
    *
    * This ramrod clears connection's SQ in FW
    *
    * @param p_path
    * @param p_conn
    * @param comp_mode
    * @param comp_addr
    *
    * @return enum _ecore_status_t
    */
   enum _ecore_status_t
   ecore_sp_iscsi_conn_clear_sq(struct ecore_hwfn *p_hwfn,
                                struct ecore_iscsi_conn *p_conn,
                                enum spq_mode comp_mode,
                                struct ecore_spq_comp_cb *p_comp_addr);
   
   #endif  /*__ECORE_ISCSI_H__*/

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