The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/dev/ocs_fc/ocs_device.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  * Node state machine functions for remote device node sm
   37  */
   38 
   39 #if !defined(__OCS_DEVICE_H__)
   40 #define __OCS_DEVICE_H__
   41 
   42 /***************************************************************************
   43  * Receive queue configuration
   44  */
   45 
   46 #ifndef OCS_FC_RQ_SIZE_DEFAULT
   47 #define OCS_FC_RQ_SIZE_DEFAULT                  1024
   48 #endif
   49 
   50 /***************************************************************************
   51  * IO Configuration
   52  */
   53 
   54 /**
   55  * @brief Defines the number of SGLs allocated on each IO object
   56  */
   57 #ifndef OCS_FC_MAX_SGL
   58 #define OCS_FC_MAX_SGL          256
   59 #endif
   60 
   61 /***************************************************************************
   62  * DIF Configuration
   63  */
   64 
   65 /**
   66  * @brief Defines the DIF seed value used for the CRC calculation.
   67  */
   68 #ifndef OCS_FC_DIF_SEED
   69 #define OCS_FC_DIF_SEED         0
   70 #endif
   71 
   72 /***************************************************************************
   73  * Timeouts
   74  */
   75 #ifndef OCS_FC_ELS_SEND_DEFAULT_TIMEOUT
   76 #define OCS_FC_ELS_SEND_DEFAULT_TIMEOUT         0
   77 #endif
   78 
   79 #ifndef OCS_FC_ELS_CT_SEND_DEFAULT_TIMEOUT
   80 #define OCS_FC_ELS_CT_SEND_DEFAULT_TIMEOUT      5
   81 #endif
   82 
   83 #ifndef OCS_FC_ELS_DEFAULT_RETRIES
   84 #define OCS_FC_ELS_DEFAULT_RETRIES              3
   85 #endif
   86 
   87 #ifndef OCS_FC_FLOGI_TIMEOUT_SEC
   88 #define OCS_FC_FLOGI_TIMEOUT_SEC                5 /* shorter than default */
   89 #endif
   90 
   91 #ifndef OCS_FC_DOMAIN_SHUTDOWN_TIMEOUT_USEC
   92 #define OCS_FC_DOMAIN_SHUTDOWN_TIMEOUT_USEC     30000000 /* 30 seconds */
   93 #endif
   94 
   95 /***************************************************************************
   96  * Watermark
   97  */
   98 #ifndef OCS_WATERMARK_HIGH_PCT
   99 #define OCS_WATERMARK_HIGH_PCT                  90
  100 #endif
  101 #ifndef OCS_WATERMARK_LOW_PCT
  102 #define OCS_WATERMARK_LOW_PCT                   80
  103 #endif
  104 #ifndef OCS_IO_WATERMARK_PER_INITIATOR
  105 #define OCS_IO_WATERMARK_PER_INITIATOR          8
  106 #endif
  107 
  108 extern void ocs_node_init_device(ocs_node_t *node, int send_plogi);
  109 extern void ocs_process_prli_payload(ocs_node_t *node, fc_prli_payload_t *prli);
  110 extern void ocs_d_send_prli_rsp(ocs_io_t *io, uint16_t ox_id);
  111 extern void ocs_send_ls_acc_after_attach(ocs_io_t *io, fc_header_t *hdr, ocs_node_send_ls_acc_e ls);
  112 
  113 extern void*__ocs_d_wait_loop(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  114 extern void*__ocs_d_wait_plogi_acc_cmpl(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  115 extern void*__ocs_d_init(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  116 extern void*__ocs_d_wait_plogi_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  117 extern void*__ocs_d_wait_plogi_rsp_recvd_prli(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  118 extern void*__ocs_d_wait_domain_attach(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  119 extern void*__ocs_d_wait_topology_notify(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  120 extern void*__ocs_d_wait_node_attach(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  121 extern void*__ocs_d_wait_attach_evt_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  122 extern void*__ocs_d_initiate_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  123 extern void*__ocs_d_port_logged_in(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  124 extern void*__ocs_d_wait_logo_acc_cmpl(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  125 extern void*__ocs_d_device_ready(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  126 extern void*__ocs_d_device_gone(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  127 extern void*__ocs_d_wait_adisc_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  128 extern void*__ocs_d_wait_logo_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  129 extern void*__ocs_d_wait_prlo_rsp(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg);
  130 
  131 #endif /* __OCS_DEVICE_H__ */

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