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 213