213 lines
6.8 KiB
C
213 lines
6.8 KiB
C
/*-
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* Copyright (c) 2017 Broadcom. All rights reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/**
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* @file
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*
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*/
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#if !defined(__OCS_XPORT_H__)
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#define __OCS_XPORT_H__
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/**
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* @brief FCFI lookup/pending frames
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*/
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typedef struct ocs_xport_fcfi_s {
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ocs_lock_t pend_frames_lock;
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ocs_list_t pend_frames;
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uint32_t hold_frames:1; /*<< hold pending frames */
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uint32_t pend_frames_processed; /*<< count of pending frames that were processed */
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} ocs_xport_fcfi_t;
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/**
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* @brief Structure to hold the information related to an RQ processing thread used
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* to increase 40G performance.
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*/
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typedef struct ocs_xport_rq_thread_info_s {
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ocs_t *ocs;
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uint8_t thread_started;
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ocs_thread_t thread;
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ocs_cbuf_t * seq_cbuf;
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char thread_name[64];
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} ocs_xport_rq_thread_info_t;
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typedef enum {
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OCS_XPORT_PORT_ONLINE=1,
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OCS_XPORT_PORT_OFFLINE,
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OCS_XPORT_SHUTDOWN,
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OCS_XPORT_POST_NODE_EVENT,
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OCS_XPORT_WWNN_SET,
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OCS_XPORT_WWPN_SET,
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} ocs_xport_ctrl_e;
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typedef enum {
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OCS_XPORT_PORT_STATUS,
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OCS_XPORT_CONFIG_PORT_STATUS,
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OCS_XPORT_LINK_SPEED,
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OCS_XPORT_IS_SUPPORTED_LINK_SPEED,
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OCS_XPORT_LINK_STATISTICS,
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OCS_XPORT_LINK_STAT_RESET,
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OCS_XPORT_IS_QUIESCED
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} ocs_xport_status_e;
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typedef struct ocs_xport_link_stats_s {
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uint32_t rec:1,
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gec:1,
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w02of:1,
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w03of:1,
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w04of:1,
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w05of:1,
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w06of:1,
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w07of:1,
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w08of:1,
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w09of:1,
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w10of:1,
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w11of:1,
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w12of:1,
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w13of:1,
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w14of:1,
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w15of:1,
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w16of:1,
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w17of:1,
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w18of:1,
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w19of:1,
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w20of:1,
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w21of:1,
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resv0:8,
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clrc:1,
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clof:1;
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uint32_t link_failure_error_count;
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uint32_t loss_of_sync_error_count;
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uint32_t loss_of_signal_error_count;
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uint32_t primitive_sequence_error_count;
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uint32_t invalid_transmission_word_error_count;
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uint32_t crc_error_count;
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uint32_t primitive_sequence_event_timeout_count;
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uint32_t elastic_buffer_overrun_error_count;
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uint32_t arbitration_fc_al_timout_count;
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uint32_t advertised_receive_bufftor_to_buffer_credit;
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uint32_t current_receive_buffer_to_buffer_credit;
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uint32_t advertised_transmit_buffer_to_buffer_credit;
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uint32_t current_transmit_buffer_to_buffer_credit;
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uint32_t received_eofa_count;
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uint32_t received_eofdti_count;
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uint32_t received_eofni_count;
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uint32_t received_soff_count;
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uint32_t received_dropped_no_aer_count;
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uint32_t received_dropped_no_available_rpi_resources_count;
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uint32_t received_dropped_no_available_xri_resources_count;
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} ocs_xport_link_stats_t;
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typedef struct ocs_xport_host_stats_s {
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uint32_t cc:1,
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:31;
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uint32_t transmit_kbyte_count;
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uint32_t receive_kbyte_count;
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uint32_t transmit_frame_count;
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uint32_t receive_frame_count;
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uint32_t transmit_sequence_count;
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uint32_t receive_sequence_count;
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uint32_t total_exchanges_originator;
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uint32_t total_exchanges_responder;
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uint32_t receive_p_bsy_count;
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uint32_t receive_f_bsy_count;
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uint32_t dropped_frames_due_to_no_rq_buffer_count;
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uint32_t empty_rq_timeout_count;
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uint32_t dropped_frames_due_to_no_xri_count;
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uint32_t empty_xri_pool_count;
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} ocs_xport_host_stats_t;
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typedef struct ocs_xport_host_statistics_s {
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ocs_sem_t semaphore;
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ocs_xport_link_stats_t link_stats;
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ocs_xport_host_stats_t host_stats;
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} ocs_xport_host_statistics_t;
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typedef union ocs_xport {
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uint32_t value;
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ocs_xport_host_statistics_t stats;
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} ocs_xport_stats_t;
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/**
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* @brief Transport private values
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*/
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struct ocs_xport_s {
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ocs_t *ocs;
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uint64_t req_wwpn; /*<< wwpn requested by user for primary sport */
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uint64_t req_wwnn; /*<< wwnn requested by user for primary sport */
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ocs_xport_fcfi_t fcfi[SLI4_MAX_FCFI];
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/* Nodes */
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uint32_t nodes_count; /**< number of allocated nodes */
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ocs_node_t **nodes; /**< array of pointers to nodes */
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ocs_list_t nodes_free_list; /**< linked list of free nodes */
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/* Io pool and counts */
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ocs_io_pool_t *io_pool; /**< pointer to IO pool */
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ocs_atomic_t io_alloc_failed_count; /**< used to track how often IO pool is empty */
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ocs_lock_t io_pending_lock; /**< lock for io_pending_list */
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ocs_list_t io_pending_list; /**< list of IOs waiting for HW resources
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** lock: xport->io_pending_lock
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** link: ocs_io_t->io_pending_link
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*/
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ocs_atomic_t io_total_alloc; /**< count of totals IOS allocated */
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ocs_atomic_t io_total_free; /**< count of totals IOS free'd */
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ocs_atomic_t io_total_pending; /**< count of totals IOS that were pended */
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ocs_atomic_t io_active_count; /**< count of active IOS */
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ocs_atomic_t io_pending_count; /**< count of pending IOS */
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ocs_atomic_t io_pending_recursing; /**< non-zero if ocs_scsi_check_pending is executing */
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/* vport */
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ocs_list_t vport_list; /**< list of VPORTS (NPIV) */
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/* Port */
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uint32_t configured_link_state; /**< requested link state */
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/* RQ processing threads */
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uint32_t num_rq_threads;
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ocs_xport_rq_thread_info_t *rq_thread_info;
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ocs_timer_t stats_timer; /**< Timer for Statistics */
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ocs_xport_stats_t fc_xport_stats;
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};
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extern ocs_xport_t *ocs_xport_alloc(ocs_t *ocs);
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extern int32_t ocs_xport_attach(ocs_xport_t *xport);
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extern int32_t ocs_xport_initialize(ocs_xport_t *xport);
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extern int32_t ocs_xport_detach(ocs_xport_t *xport);
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extern int32_t ocs_xport_control(ocs_xport_t *xport, ocs_xport_ctrl_e cmd, ...);
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extern int32_t ocs_xport_status(ocs_xport_t *xport, ocs_xport_status_e cmd, ocs_xport_stats_t *result);
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extern void ocs_xport_free(ocs_xport_t *xport);
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#endif
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