ocs_xport.h

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    1 /*-
    2  * Copyright (c) 2017 Broadcom. All rights reserved.
    3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions are met:
    7  *
    8  * 1. Redistributions of source code must retain the above copyright notice,
    9  *    this list of conditions and the following disclaimer.
   10  *
   11  * 2. Redistributions in binary form must reproduce the above copyright notice,
   12  *    this list of conditions and the following disclaimer in the documentation
   13  *    and/or other materials provided with the distribution.
   14  *
   15  * 3. Neither the name of the copyright holder nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  *
   31  * $FreeBSD$
   32  */
   33 
   34 /**
   35  * @file
   36  *
   37  */
   38 
   39 #if !defined(__OCS_XPORT_H__)
   40 #define __OCS_XPORT_H__
   41 
   42 /**
   43  * @brief FCFI lookup/pending frames
   44  */
   45 typedef struct ocs_xport_fcfi_s {
   46         ocs_lock_t      pend_frames_lock;
   47         ocs_list_t      pend_frames;
   48         uint32_t        hold_frames:1;          /*<< hold pending frames */
   49         uint32_t        pend_frames_processed;  /*<< count of pending frames that were processed */
   50 } ocs_xport_fcfi_t;
   51 
   52 /**
   53  * @brief Structure to hold the information related to an RQ processing thread used
   54  *        to increase 40G performance.
   55  */
   56 typedef struct ocs_xport_rq_thread_info_s {
   57         ocs_t *ocs;
   58         uint8_t thread_started;
   59         ocs_thread_t thread;
   60         ocs_cbuf_t * seq_cbuf;
   61         char thread_name[64];
   62 } ocs_xport_rq_thread_info_t;
   63 
   64 typedef enum {
   65         OCS_XPORT_PORT_ONLINE=1,
   66         OCS_XPORT_PORT_OFFLINE,
   67         OCS_XPORT_SHUTDOWN,
   68         OCS_XPORT_POST_NODE_EVENT,
   69         OCS_XPORT_WWNN_SET,
   70         OCS_XPORT_WWPN_SET,
   71 } ocs_xport_ctrl_e;
   72 
   73 typedef enum {
   74         OCS_XPORT_PORT_STATUS,
   75         OCS_XPORT_CONFIG_PORT_STATUS,
   76         OCS_XPORT_LINK_SPEED,
   77         OCS_XPORT_IS_SUPPORTED_LINK_SPEED,
   78         OCS_XPORT_LINK_STATISTICS,
   79         OCS_XPORT_LINK_STAT_RESET,
   80         OCS_XPORT_IS_QUIESCED
   81 } ocs_xport_status_e;
   82 
   83 typedef struct ocs_xport_link_stats_s {
   84         uint32_t        rec:1,
   85                                 gec:1,
   86                                 w02of:1,
   87                                 w03of:1,
   88                                 w04of:1,
   89                                 w05of:1,
   90                                 w06of:1,
   91                                 w07of:1,
   92                                 w08of:1,
   93                                 w09of:1,
   94                                 w10of:1,
   95                                 w11of:1,
   96                                 w12of:1,
   97                                 w13of:1,
   98                                 w14of:1,
   99                                 w15of:1,
  100                                 w16of:1,
  101                                 w17of:1,
  102                                 w18of:1,
  103                                 w19of:1,
  104                                 w20of:1,
  105                                 w21of:1,
  106                                 resv0:8,
  107                                 clrc:1,
  108                                 clof:1;
  109         uint32_t        link_failure_error_count;
  110         uint32_t        loss_of_sync_error_count;
  111         uint32_t        loss_of_signal_error_count;
  112         uint32_t        primitive_sequence_error_count;
  113         uint32_t        invalid_transmission_word_error_count;
  114         uint32_t        crc_error_count;
  115         uint32_t        primitive_sequence_event_timeout_count;
  116         uint32_t        elastic_buffer_overrun_error_count;
  117         uint32_t        arbitration_fc_al_timout_count;
  118         uint32_t        advertised_receive_bufftor_to_buffer_credit;
  119         uint32_t        current_receive_buffer_to_buffer_credit;
  120         uint32_t        advertised_transmit_buffer_to_buffer_credit;
  121         uint32_t        current_transmit_buffer_to_buffer_credit;
  122         uint32_t        received_eofa_count;
  123         uint32_t        received_eofdti_count;
  124         uint32_t        received_eofni_count;
  125         uint32_t        received_soff_count;
  126         uint32_t        received_dropped_no_aer_count;
  127         uint32_t        received_dropped_no_available_rpi_resources_count;
  128         uint32_t        received_dropped_no_available_xri_resources_count;
  129 } ocs_xport_link_stats_t;
  130 
  131 typedef struct ocs_xport_host_stats_s {
  132         uint32_t        cc:1,
  133                                   :31;
  134         uint32_t        transmit_kbyte_count;
  135         uint32_t        receive_kbyte_count;
  136         uint32_t        transmit_frame_count;
  137         uint32_t        receive_frame_count;
  138         uint32_t        transmit_sequence_count;
  139         uint32_t        receive_sequence_count;
  140         uint32_t        total_exchanges_originator;
  141         uint32_t        total_exchanges_responder;
  142         uint32_t        receive_p_bsy_count;
  143         uint32_t        receive_f_bsy_count;
  144         uint32_t        dropped_frames_due_to_no_rq_buffer_count;
  145         uint32_t        empty_rq_timeout_count;
  146         uint32_t        dropped_frames_due_to_no_xri_count;
  147         uint32_t        empty_xri_pool_count;
  148 } ocs_xport_host_stats_t;
  149 
  150 typedef struct ocs_xport_host_statistics_s {
  151         ocs_sem_t semaphore;
  152         ocs_xport_link_stats_t link_stats;
  153         ocs_xport_host_stats_t host_stats;
  154 } ocs_xport_host_statistics_t;
  155 
  156 typedef union ocs_xport {
  157         uint32_t value;
  158         ocs_xport_host_statistics_t stats;
  159 } ocs_xport_stats_t;
  160 /**
  161  * @brief Transport private values
  162  */
  163 struct ocs_xport_s {
  164         ocs_t *ocs;
  165         uint64_t req_wwpn;                      /*<< wwpn requested by user for primary sport */
  166         uint64_t req_wwnn;                      /*<< wwnn requested by user for primary sport */
  167 
  168         ocs_xport_fcfi_t fcfi[SLI4_MAX_FCFI];
  169 
  170         /* Nodes */
  171         uint32_t nodes_count;                   /**< number of allocated nodes */
  172         ocs_node_t **nodes;                     /**< array of pointers to nodes */
  173         ocs_list_t nodes_free_list;             /**< linked list of free nodes */
  174 
  175         /* Io pool and counts */
  176         ocs_io_pool_t *io_pool;                 /**< pointer to IO pool */
  177         ocs_atomic_t io_alloc_failed_count;     /**< used to track how often IO pool is empty */
  178         ocs_lock_t io_pending_lock;             /**< lock for io_pending_list */
  179         ocs_list_t io_pending_list;             /**< list of IOs waiting for HW resources
  180                                                  **  lock: xport->io_pending_lock
  181                                                  **  link: ocs_io_t->io_pending_link
  182                                                  */
  183         ocs_atomic_t io_total_alloc;            /**< count of totals IOS allocated */
  184         ocs_atomic_t io_total_free;             /**< count of totals IOS free'd */
  185         ocs_atomic_t io_total_pending;          /**< count of totals IOS that were pended */
  186         ocs_atomic_t io_active_count;           /**< count of active IOS */
  187         ocs_atomic_t io_pending_count;          /**< count of pending IOS */
  188         ocs_atomic_t io_pending_recursing;      /**< non-zero if ocs_scsi_check_pending is executing */
  189 
  190         /* vport */
  191         ocs_list_t vport_list;                  /**< list of VPORTS (NPIV) */
  192 
  193         /* Port */
  194         uint32_t configured_link_state;         /**< requested link state */
  195 
  196         /* RQ processing threads */
  197         uint32_t num_rq_threads;
  198         ocs_xport_rq_thread_info_t *rq_thread_info;
  199 
  200         ocs_timer_t     stats_timer;            /**< Timer for Statistics */
  201         ocs_xport_stats_t fc_xport_stats;
  202 };
  203 
  204 extern ocs_xport_t *ocs_xport_alloc(ocs_t *ocs);
  205 extern int32_t ocs_xport_attach(ocs_xport_t *xport);
  206 extern int32_t ocs_xport_initialize(ocs_xport_t *xport);
  207 extern int32_t ocs_xport_detach(ocs_xport_t *xport);
  208 extern int32_t ocs_xport_control(ocs_xport_t *xport, ocs_xport_ctrl_e cmd, ...);
  209 extern int32_t ocs_xport_status(ocs_xport_t *xport, ocs_xport_status_e cmd, ocs_xport_stats_t *result);
  210 extern void ocs_xport_free(ocs_xport_t *xport);
  211 
  212 #endif

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FreeBSD/Linux Kernel Cross Reference sys/dev/ocs_fc/ocs_xport.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ocs_fc/ocs_xport.h