FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxe/ecore_proto_if.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_PROTO_IF_H__
    #define __ECORE_PROTO_IF_H__
    
    /*
     * PF parameters (according to personality/protocol)
     */
    
    #define ECORE_ROCE_PROTOCOL_INDEX       (3)
    
    struct ecore_eth_pf_params {
            /* The following parameters are used during HW-init
             * and these parameters need to be passed as arguments
             * to update_pf_params routine invoked before slowpath start
             */
            u16     num_cons;
    
            /* per-VF number of CIDs */
            u8      num_vf_cons;
    #define ETH_PF_PARAMS_VF_CONS_DEFAULT   (32)
    
            /* To enable arfs, previous to HW-init a positive number needs to be
             * set [as filters require allocated searcher ILT memory].
             * This will set the maximal number of configured steering-filters.
             */
            u32     num_arfs_filters;
    };
    
    /* Most of the the parameters below are described in the FW FCoE HSI */
    struct ecore_fcoe_pf_params {
            /* The following parameters are used during protocol-init */
            u64             glbl_q_params_addr;
            u64             bdq_pbl_base_addr[2];
    
            /* The following parameters are used during HW-init
             * and these parameters need to be passed as arguments
             * to update_pf_params routine invoked before slowpath start
             */
            u16             num_cons;
            u16             num_tasks;
    
            /* The following parameters are used during protocol-init */
            u16             sq_num_pbl_pages;
    
            u16             cq_num_entries;
            u16             cmdq_num_entries;
            u16             rq_buffer_log_size;
            u16             mtu;
            u16             dummy_icid;
            u16             bdq_xoff_threshold[2];
            u16             bdq_xon_threshold[2];
            u16             rq_buffer_size;
            u8              num_cqs; /* num of global CQs */
            u8              log_page_size;
            u8              gl_rq_pi;
            u8              gl_cmd_pi;
            u8              debug_mode;
            u8              is_target;
            u8              bdq_pbl_num_entries[2];
    };
    
    /* Most of the the parameters below are described in the FW iSCSI / TCP HSI */
    struct ecore_iscsi_pf_params {
            u64             glbl_q_params_addr;
            u64             bdq_pbl_base_addr[3];
            u16             cq_num_entries;
            u16             cmdq_num_entries;
            u32             two_msl_timer;
            u16             tx_sws_timer;
            /* The following parameters are used during HW-init
            * and these parameters need to be passed as arguments
            * to update_pf_params routine invoked before slowpath start
            */
           u16             num_cons;
           u16             num_tasks;
   
           /* The following parameters are used during protocol-init */
           u16             half_way_close_timeout;
           u16             bdq_xoff_threshold[3];
           u16             bdq_xon_threshold[3];
           u16             cmdq_xoff_threshold;
           u16             cmdq_xon_threshold;
           u16             rq_buffer_size;
   
           u8              num_sq_pages_in_ring;
           u8              num_r2tq_pages_in_ring;
           u8              num_uhq_pages_in_ring;
           u8              num_queues;
           u8              log_page_size;
           u8              rqe_log_size;
           u8              max_fin_rt;
           u8              gl_rq_pi;
           u8              gl_cmd_pi;
           u8              debug_mode;
           u8              ll2_ooo_queue_id;
   
           u8              is_target;
           u8              is_soc_en;
           u8              soc_num_of_blocks_log;
           u8              bdq_pbl_num_entries[3];
           u8              disable_stats_collection;
   };
   
   enum ecore_rdma_protocol {
           ECORE_RDMA_PROTOCOL_DEFAULT,
           ECORE_RDMA_PROTOCOL_NONE,
           ECORE_RDMA_PROTOCOL_ROCE,
           ECORE_RDMA_PROTOCOL_IWARP,
   };
   
   struct ecore_rdma_pf_params {
           /* Supplied to ECORE during resource allocation (may affect the ILT and
            * the doorbell BAR).
            */
           u32             min_dpis;       /* number of requested DPIs */
           u32             num_qps;        /* number of requested Queue Pairs */
           u32             num_srqs;       /* number of requested SRQs */
           u32             num_xrc_srqs;   /* number of requested XRC SRQs */
           u8              roce_edpm_mode; /* see QED_ROCE_EDPM_MODE_ENABLE */
           u8              gl_pi;          /* protocol index */
   
           /* Will allocate rate limiters to be used with QPs */
           u8              enable_dcqcn;
   
           /* Max number of CNQs - limits number of ECORE_RDMA_CNQ feature,
            * Allowing an incrementation in ECORE_PF_L2_QUE.
            * To disable CNQs, use dedicated value instead of `0'.
            */
   #define ECORE_RDMA_PF_PARAMS_CNQS_NONE  (0xffff)
           u16             max_cnqs;
   
           /* TCP port number used for the iwarp traffic */
           u16             iwarp_port;
           enum ecore_rdma_protocol rdma_protocol;
   };
   
   struct ecore_pf_params {
           struct ecore_eth_pf_params      eth_pf_params;
           struct ecore_fcoe_pf_params     fcoe_pf_params;
           struct ecore_iscsi_pf_params    iscsi_pf_params;
           struct ecore_rdma_pf_params     rdma_pf_params;
   };
   
   #endif

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