1913 lines
55 KiB
C
1913 lines
55 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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* Details SLI port (sport) functions.
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*/
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#include "ocs.h"
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#include "ocs_fabric.h"
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#include "ocs_els.h"
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#include "ocs_device.h"
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static void ocs_vport_update_spec(ocs_sport_t *sport);
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static void ocs_vport_link_down(ocs_sport_t *sport);
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void ocs_mgmt_sport_list(ocs_textbuf_t *textbuf, void *sport);
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void ocs_mgmt_sport_get_all(ocs_textbuf_t *textbuf, void *sport);
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int ocs_mgmt_sport_get(ocs_textbuf_t *textbuf, char *parent, char *name, void *sport);
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int ocs_mgmt_sport_set(char *parent, char *name, char *value, void *sport);
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int ocs_mgmt_sport_exec(char *parent, char *action, void *arg_in, uint32_t arg_in_length,
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void *arg_out, uint32_t arg_out_length, void *sport);
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static ocs_mgmt_functions_t sport_mgmt_functions = {
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.get_list_handler = ocs_mgmt_sport_list,
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.get_handler = ocs_mgmt_sport_get,
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.get_all_handler = ocs_mgmt_sport_get_all,
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.set_handler = ocs_mgmt_sport_set,
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.exec_handler = ocs_mgmt_sport_exec,
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};
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/*!
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@defgroup sport_sm SLI Port (sport) State Machine: States
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*/
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/**
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* @ingroup sport_sm
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* @brief SLI port HW callback.
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*
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* @par Description
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* This function is called in response to a HW sport event. This code resolves
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* the reference to the sport object, and posts the corresponding event.
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*
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* @param arg Pointer to the OCS context.
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* @param event HW sport event.
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* @param data Application-specific event (pointer to the sport).
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*
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* @return Returns 0 on success, or a negative error value on failure.
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*/
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int32_t
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ocs_port_cb(void *arg, ocs_hw_port_event_e event, void *data)
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{
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ocs_t *ocs = arg;
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ocs_sli_port_t *sport = data;
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switch (event) {
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case OCS_HW_PORT_ALLOC_OK:
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ocs_log_debug(ocs, "OCS_HW_PORT_ALLOC_OK\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ALLOC_OK, NULL);
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break;
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case OCS_HW_PORT_ALLOC_FAIL:
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ocs_log_debug(ocs, "OCS_HW_PORT_ALLOC_FAIL\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ALLOC_FAIL, NULL);
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break;
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case OCS_HW_PORT_ATTACH_OK:
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ocs_log_debug(ocs, "OCS_HW_PORT_ATTACH_OK\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ATTACH_OK, NULL);
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break;
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case OCS_HW_PORT_ATTACH_FAIL:
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ocs_log_debug(ocs, "OCS_HW_PORT_ATTACH_FAIL\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ATTACH_FAIL, NULL);
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break;
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case OCS_HW_PORT_FREE_OK:
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ocs_log_debug(ocs, "OCS_HW_PORT_FREE_OK\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_FREE_OK, NULL);
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break;
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case OCS_HW_PORT_FREE_FAIL:
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ocs_log_debug(ocs, "OCS_HW_PORT_FREE_FAIL\n");
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ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_FREE_FAIL, NULL);
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break;
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default:
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ocs_log_test(ocs, "unknown event %#x\n", event);
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}
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return 0;
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}
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/**
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* @ingroup sport_sm
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* @brief Allocate a SLI port object.
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*
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* @par Description
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* A sport object is allocated and associated with the domain. Various
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* structure members are initialized.
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*
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* @param domain Pointer to the domain structure.
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* @param wwpn World wide port name in host endian.
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* @param wwnn World wide node name in host endian.
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* @param fc_id Port ID of sport may be specified, use UINT32_MAX to fabric choose
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* @param enable_ini Enables initiator capability on this port using a non-zero value.
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* @param enable_tgt Enables target capability on this port using a non-zero value.
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*
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* @return Pointer to an ocs_sport_t object; or NULL.
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*/
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ocs_sport_t *
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ocs_sport_alloc(ocs_domain_t *domain, uint64_t wwpn, uint64_t wwnn, uint32_t fc_id, uint8_t enable_ini, uint8_t enable_tgt)
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{
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ocs_sport_t *sport;
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if (domain->ocs->ctrlmask & OCS_CTRLMASK_INHIBIT_INITIATOR) {
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enable_ini = 0;
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}
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/* Return a failure if this sport has already been allocated */
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if (wwpn != 0) {
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sport = ocs_sport_find_wwn(domain, wwnn, wwpn);
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if (sport != NULL) {
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ocs_log_test(domain->ocs, "Failed: SPORT %016llx %016llx already allocated\n",
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(unsigned long long)wwnn, (unsigned long long)wwpn);
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return NULL;
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}
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}
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sport = ocs_malloc(domain->ocs, sizeof(*sport), OCS_M_NOWAIT | OCS_M_ZERO);
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if (sport) {
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sport->ocs = domain->ocs;
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ocs_snprintf(sport->display_name, sizeof(sport->display_name), "------");
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sport->domain = domain;
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sport->lookup = spv_new(domain->ocs);
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sport->instance_index = domain->sport_instance_count++;
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ocs_sport_lock_init(sport);
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ocs_list_init(&sport->node_list, ocs_node_t, link);
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sport->sm.app = sport;
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sport->enable_ini = enable_ini;
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sport->enable_tgt = enable_tgt;
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sport->enable_rscn = (sport->enable_ini || (sport->enable_tgt && enable_target_rscn(sport->ocs)));
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/* Copy service parameters from domain */
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ocs_memcpy(sport->service_params, domain->service_params, sizeof(fc_plogi_payload_t));
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/* Update requested fc_id */
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sport->fc_id = fc_id;
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/* Update the sport's service parameters for the new wwn's */
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sport->wwpn = wwpn;
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sport->wwnn = wwnn;
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ocs_snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llx" , (unsigned long long)wwnn);
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/* Initialize node group list */
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ocs_lock_init(sport->ocs, &sport->node_group_lock, "node_group_lock[%d]", sport->instance_index);
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ocs_list_init(&sport->node_group_dir_list, ocs_node_group_dir_t, link);
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/* if this is the "first" sport of the domain, then make it the "phys" sport */
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ocs_domain_lock(domain);
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if (ocs_list_empty(&domain->sport_list)) {
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domain->sport = sport;
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}
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ocs_list_add_tail(&domain->sport_list, sport);
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ocs_domain_unlock(domain);
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sport->mgmt_functions = &sport_mgmt_functions;
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ocs_log_debug(domain->ocs, "[%s] allocate sport\n", sport->display_name);
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}
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return sport;
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}
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/**
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* @ingroup sport_sm
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* @brief Free a SLI port object.
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*
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* @par Description
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* The sport object is freed.
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*
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* @param sport Pointer to the SLI port object.
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*
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* @return None.
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*/
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void
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ocs_sport_free(ocs_sport_t *sport)
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{
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ocs_domain_t *domain;
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ocs_node_group_dir_t *node_group_dir;
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ocs_node_group_dir_t *node_group_dir_next;
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int post_all_free = FALSE;
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if (sport) {
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domain = sport->domain;
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ocs_log_debug(domain->ocs, "[%s] free sport\n", sport->display_name);
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ocs_domain_lock(domain);
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ocs_list_remove(&domain->sport_list, sport);
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ocs_sport_lock(sport);
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spv_del(sport->lookup);
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sport->lookup = NULL;
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ocs_lock(&domain->lookup_lock);
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/* Remove the sport from the domain's sparse vector lookup table */
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spv_set(domain->lookup, sport->fc_id, NULL);
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ocs_unlock(&domain->lookup_lock);
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/* if this is the physical sport, then clear it out of the domain */
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if (sport == domain->sport) {
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domain->sport = NULL;
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}
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/*
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* If the domain's sport_list is empty, then post the ALL_NODES_FREE event to the domain,
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* after the lock is released. The domain may be free'd as a result of the event.
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*/
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if (ocs_list_empty(&domain->sport_list)) {
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post_all_free = TRUE;
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}
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/* Free any node group directories */
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ocs_lock(&sport->node_group_lock);
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ocs_list_foreach_safe(&sport->node_group_dir_list, node_group_dir, node_group_dir_next) {
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ocs_unlock(&sport->node_group_lock);
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ocs_node_group_dir_free(node_group_dir);
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ocs_lock(&sport->node_group_lock);
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}
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ocs_unlock(&sport->node_group_lock);
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ocs_sport_unlock(sport);
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ocs_domain_unlock(domain);
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if (post_all_free) {
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ocs_domain_post_event(domain, OCS_EVT_ALL_CHILD_NODES_FREE, NULL);
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}
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ocs_sport_lock_free(sport);
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ocs_lock_free(&sport->node_group_lock);
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ocs_scsi_sport_deleted(sport);
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ocs_free(domain->ocs, sport, sizeof(*sport));
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}
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}
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/**
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* @ingroup sport_sm
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* @brief Free memory resources of a SLI port object.
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*
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* @par Description
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* After the sport object is freed, its child objects are freed.
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*
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* @param sport Pointer to the SLI port object.
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*
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* @return None.
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*/
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void ocs_sport_force_free(ocs_sport_t *sport)
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{
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ocs_node_t *node;
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ocs_node_t *next;
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/* shutdown sm processing */
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ocs_sm_disable(&sport->sm);
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ocs_scsi_notify_sport_force_free(sport);
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ocs_sport_lock(sport);
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ocs_list_foreach_safe(&sport->node_list, node, next) {
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ocs_node_force_free(node);
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}
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ocs_sport_unlock(sport);
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ocs_sport_free(sport);
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}
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/**
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* @ingroup sport_sm
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* @brief Return a SLI port object, given an instance index.
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*
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* @par Description
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* A pointer to a sport object is returned, given its instance @c index.
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*
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* @param domain Pointer to the domain.
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* @param index Instance index value to find.
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*
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* @return Returns a pointer to the ocs_sport_t object; or NULL.
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*/
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ocs_sport_t *
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ocs_sport_get_instance(ocs_domain_t *domain, uint32_t index)
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{
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ocs_sport_t *sport;
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ocs_domain_lock(domain);
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ocs_list_foreach(&domain->sport_list, sport) {
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if (sport->instance_index == index) {
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ocs_domain_unlock(domain);
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return sport;
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}
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}
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ocs_domain_unlock(domain);
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return NULL;
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}
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/**
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* @ingroup sport_sm
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* @brief Find a SLI port object, given an FC_ID.
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*
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* @par Description
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* Returns a pointer to the sport object, given an FC_ID.
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*
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* @param domain Pointer to the domain.
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* @param d_id FC_ID to find.
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*
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* @return Returns a pointer to the ocs_sport_t; or NULL.
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*/
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ocs_sport_t *
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ocs_sport_find(ocs_domain_t *domain, uint32_t d_id)
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{
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ocs_sport_t *sport;
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ocs_assert(domain, NULL);
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ocs_lock(&domain->lookup_lock);
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if (domain->lookup == NULL) {
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ocs_log_test(domain->ocs, "assertion failed: domain->lookup is not valid\n");
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ocs_unlock(&domain->lookup_lock);
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return NULL;
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}
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sport = spv_get(domain->lookup, d_id);
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ocs_unlock(&domain->lookup_lock);
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return sport;
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}
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/**
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* @ingroup sport_sm
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* @brief Find a SLI port, given the WWNN and WWPN.
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*
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* @par Description
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* Return a pointer to a sport, given the WWNN and WWPN.
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*
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* @param domain Pointer to the domain.
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* @param wwnn World wide node name.
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* @param wwpn World wide port name.
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*
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* @return Returns a pointer to a SLI port, if found; or NULL.
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*/
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ocs_sport_t *
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ocs_sport_find_wwn(ocs_domain_t *domain, uint64_t wwnn, uint64_t wwpn)
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{
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ocs_sport_t *sport = NULL;
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ocs_domain_lock(domain);
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ocs_list_foreach(&domain->sport_list, sport) {
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if ((sport->wwnn == wwnn) && (sport->wwpn == wwpn)) {
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ocs_domain_unlock(domain);
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return sport;
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}
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}
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ocs_domain_unlock(domain);
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return NULL;
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}
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/**
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* @ingroup sport_sm
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* @brief Request a SLI port attach.
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*
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* @par Description
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* External call to request an attach for a sport, given an FC_ID.
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*
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* @param sport Pointer to the sport context.
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* @param fc_id FC_ID of which to attach.
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*
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* @return Returns 0 on success, or a negative error value on failure.
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*/
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int32_t
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ocs_sport_attach(ocs_sport_t *sport, uint32_t fc_id)
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{
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ocs_hw_rtn_e rc;
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ocs_node_t *node;
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/* Set our lookup */
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ocs_lock(&sport->domain->lookup_lock);
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spv_set(sport->domain->lookup, fc_id, sport);
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ocs_unlock(&sport->domain->lookup_lock);
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/* Update our display_name */
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ocs_node_fcid_display(fc_id, sport->display_name, sizeof(sport->display_name));
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ocs_sport_lock(sport);
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ocs_list_foreach(&sport->node_list, node) {
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ocs_node_update_display_name(node);
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}
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ocs_sport_unlock(sport);
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ocs_log_debug(sport->ocs, "[%s] attach sport: fc_id x%06x\n", sport->display_name, fc_id);
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rc = ocs_hw_port_attach(&sport->ocs->hw, sport, fc_id);
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if (rc != OCS_HW_RTN_SUCCESS) {
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ocs_log_err(sport->ocs, "ocs_hw_port_attach failed: %d\n", rc);
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return -1;
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}
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return 0;
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}
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/**
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* @brief Common SLI port state machine declarations and initialization.
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*/
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#define std_sport_state_decl() \
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ocs_sport_t *sport = NULL; \
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ocs_domain_t *domain = NULL; \
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ocs_t *ocs = NULL; \
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\
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ocs_assert(ctx, NULL); \
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sport = ctx->app; \
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ocs_assert(sport, NULL); \
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\
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domain = sport->domain; \
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ocs_assert(domain, NULL); \
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ocs = sport->ocs; \
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ocs_assert(ocs, NULL);
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/**
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* @brief Common SLI port state machine trace logging.
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*/
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#define sport_sm_trace(sport) \
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do { \
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if (OCS_LOG_ENABLE_DOMAIN_SM_TRACE(ocs)) \
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ocs_log_debug(ocs, "[%s] %-20s\n", sport->display_name, ocs_sm_event_name(evt)); \
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} while (0)
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/**
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* @brief SLI port state machine: Common event handler.
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*
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* @par Description
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* Handle common sport events.
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*
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* @param funcname Function name to display.
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* @param ctx Sport state machine context.
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* @param evt Event to process.
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* @param arg Per event optional argument.
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*
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* @return Returns NULL.
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*/
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static void *
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__ocs_sport_common(const char *funcname, ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
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{
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std_sport_state_decl();
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switch(evt) {
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case OCS_EVT_ENTER:
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case OCS_EVT_REENTER:
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case OCS_EVT_EXIT:
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case OCS_EVT_ALL_CHILD_NODES_FREE:
|
|
break;
|
|
case OCS_EVT_SPORT_ATTACH_OK:
|
|
ocs_sm_transition(ctx, __ocs_sport_attached, NULL);
|
|
break;
|
|
case OCS_EVT_SHUTDOWN: {
|
|
ocs_node_t *node;
|
|
ocs_node_t *node_next;
|
|
int node_list_empty;
|
|
|
|
/* Flag this sport as shutting down */
|
|
sport->shutting_down = 1;
|
|
|
|
if (sport->is_vport) {
|
|
ocs_vport_link_down(sport);
|
|
}
|
|
|
|
ocs_sport_lock(sport);
|
|
node_list_empty = ocs_list_empty(&sport->node_list);
|
|
ocs_sport_unlock(sport);
|
|
|
|
if (node_list_empty) {
|
|
/* sm: node list is empty / ocs_hw_port_free
|
|
* Remove the sport from the domain's sparse vector lookup table */
|
|
ocs_lock(&domain->lookup_lock);
|
|
spv_set(domain->lookup, sport->fc_id, NULL);
|
|
ocs_unlock(&domain->lookup_lock);
|
|
ocs_sm_transition(ctx, __ocs_sport_wait_port_free, NULL);
|
|
if (ocs_hw_port_free(&ocs->hw, sport)) {
|
|
ocs_log_test(sport->ocs, "ocs_hw_port_free failed\n");
|
|
/* Not much we can do, free the sport anyways */
|
|
ocs_sport_free(sport);
|
|
}
|
|
} else {
|
|
/* sm: node list is not empty / shutdown nodes */
|
|
ocs_sm_transition(ctx, __ocs_sport_wait_shutdown, NULL);
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach_safe(&sport->node_list, node, node_next) {
|
|
/*
|
|
* If this is a vport, logout of the fabric controller so that it
|
|
* deletes the vport on the switch.
|
|
*/
|
|
if((node->rnode.fc_id == FC_ADDR_FABRIC) && (sport->is_vport)) {
|
|
/* if link is down, don't send logo */
|
|
if (sport->ocs->hw.link.status == SLI_LINK_STATUS_DOWN) {
|
|
ocs_node_post_event(node, OCS_EVT_SHUTDOWN, NULL);
|
|
} else {
|
|
ocs_log_debug(ocs,"[%s] sport shutdown vport,sending logo to node\n",
|
|
node->display_name);
|
|
|
|
if (ocs_send_logo(node, OCS_FC_ELS_SEND_DEFAULT_TIMEOUT,
|
|
0, NULL, NULL) == NULL) {
|
|
/* failed to send LOGO, go ahead and cleanup node anyways */
|
|
node_printf(node, "Failed to send LOGO\n");
|
|
ocs_node_post_event(node, OCS_EVT_SHUTDOWN_EXPLICIT_LOGO, NULL);
|
|
} else {
|
|
/* sent LOGO, wait for response */
|
|
ocs_node_transition(node, __ocs_d_wait_logo_rsp, NULL);
|
|
}
|
|
}
|
|
} else {
|
|
ocs_node_post_event(node, OCS_EVT_SHUTDOWN, NULL);
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
ocs_log_test(sport->ocs, "[%s] %-20s %-20s not handled\n", sport->display_name, funcname, ocs_sm_event_name(evt));
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Physical sport allocated.
|
|
*
|
|
* @par Description
|
|
* This is the initial state for sport objects.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_allocated(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
/* the physical sport is attached */
|
|
case OCS_EVT_SPORT_ATTACH_OK:
|
|
ocs_assert(sport == domain->sport, NULL);
|
|
ocs_sm_transition(ctx, __ocs_sport_attached, NULL);
|
|
break;
|
|
|
|
case OCS_EVT_SPORT_ALLOC_OK:
|
|
/* ignore */
|
|
break;
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Handle initial virtual port events.
|
|
*
|
|
* @par Description
|
|
* This state is entered when a virtual port is instantiated,
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_vport_init(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER: {
|
|
uint64_t be_wwpn = ocs_htobe64(sport->wwpn);
|
|
|
|
if (sport->wwpn == 0) {
|
|
ocs_log_debug(ocs, "vport: letting f/w select WWN\n");
|
|
}
|
|
|
|
if (sport->fc_id != UINT32_MAX) {
|
|
ocs_log_debug(ocs, "vport: hard coding port id: %x\n", sport->fc_id);
|
|
}
|
|
|
|
ocs_sm_transition(ctx, __ocs_sport_vport_wait_alloc, NULL);
|
|
/* If wwpn is zero, then we'll let the f/w */
|
|
if (ocs_hw_port_alloc(&ocs->hw, sport, sport->domain,
|
|
(sport->wwpn == 0) ? NULL : (uint8_t *)&be_wwpn)) {
|
|
ocs_log_err(ocs, "Can't allocate port\n");
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Wait for the HW SLI port allocation to complete.
|
|
*
|
|
* @par Description
|
|
* Waits for the HW sport allocation request to complete.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_vport_wait_alloc(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_SPORT_ALLOC_OK: {
|
|
fc_plogi_payload_t *sp = (fc_plogi_payload_t*) sport->service_params;
|
|
ocs_node_t *fabric;
|
|
|
|
/* If we let f/w assign wwn's, then sport wwn's with those returned by hw */
|
|
if (sport->wwnn == 0) {
|
|
sport->wwnn = ocs_be64toh(sport->sli_wwnn);
|
|
sport->wwpn = ocs_be64toh(sport->sli_wwpn);
|
|
ocs_snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llx", (unsigned long long) sport->wwpn);
|
|
}
|
|
|
|
/* Update the sport's service parameters */
|
|
sp->port_name_hi = ocs_htobe32((uint32_t) (sport->wwpn >> 32ll));
|
|
sp->port_name_lo = ocs_htobe32((uint32_t) sport->wwpn);
|
|
sp->node_name_hi = ocs_htobe32((uint32_t) (sport->wwnn >> 32ll));
|
|
sp->node_name_lo = ocs_htobe32((uint32_t) sport->wwnn);
|
|
|
|
/* if sport->fc_id is uninitialized, then request that the fabric node use FDISC
|
|
* to find an fc_id. Otherwise we're restoring vports, or we're in
|
|
* fabric emulation mode, so attach the fc_id
|
|
*/
|
|
if (sport->fc_id == UINT32_MAX) {
|
|
fabric = ocs_node_alloc(sport, FC_ADDR_FABRIC, FALSE, FALSE);
|
|
if (fabric == NULL) {
|
|
ocs_log_err(ocs, "ocs_node_alloc() failed\n");
|
|
return NULL;
|
|
}
|
|
ocs_node_transition(fabric, __ocs_vport_fabric_init, NULL);
|
|
} else {
|
|
ocs_snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llx", (unsigned long long)sport->wwpn);
|
|
ocs_sport_attach(sport, sport->fc_id);
|
|
}
|
|
ocs_sm_transition(ctx, __ocs_sport_vport_allocated, NULL);
|
|
break;
|
|
}
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: virtual sport allocated.
|
|
*
|
|
* @par Description
|
|
* This state is entered after the sport is allocated; it then waits for a fabric node
|
|
* FDISC to complete, which requests a sport attach.
|
|
* The sport attach complete is handled in this state.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_vport_allocated(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_SPORT_ATTACH_OK: {
|
|
ocs_node_t *node;
|
|
|
|
if (!(domain->femul_enable)) {
|
|
/* Find our fabric node, and forward this event */
|
|
node = ocs_node_find(sport, FC_ADDR_FABRIC);
|
|
if (node == NULL) {
|
|
ocs_log_test(ocs, "can't find node %06x\n", FC_ADDR_FABRIC);
|
|
break;
|
|
}
|
|
/* sm: / forward sport attach to fabric node */
|
|
ocs_node_post_event(node, evt, NULL);
|
|
}
|
|
ocs_sm_transition(ctx, __ocs_sport_attached, NULL);
|
|
break;
|
|
}
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Attached.
|
|
*
|
|
* @par Description
|
|
* State entered after the sport attach has completed.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_attached(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_ENTER: {
|
|
ocs_node_t *node;
|
|
|
|
ocs_log_debug(ocs, "[%s] SPORT attached WWPN %016llx WWNN %016llx \n", sport->display_name,
|
|
sport->wwpn, sport->wwnn);
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
ocs_node_update_display_name(node);
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
sport->tgt_id = sport->fc_id;
|
|
if (sport->enable_ini) {
|
|
ocs_scsi_ini_new_sport(sport);
|
|
}
|
|
if (sport->enable_tgt) {
|
|
ocs_scsi_tgt_new_sport(sport);
|
|
}
|
|
|
|
/* Update the vport (if its not the physical sport) parameters */
|
|
if (sport->is_vport) {
|
|
ocs_vport_update_spec(sport);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case OCS_EVT_EXIT:
|
|
ocs_log_debug(ocs, "[%s] SPORT deattached WWPN %016llx WWNN %016llx \n", sport->display_name,
|
|
sport->wwpn, sport->wwnn);
|
|
if (sport->enable_ini) {
|
|
ocs_scsi_ini_del_sport(sport);
|
|
}
|
|
if (sport->enable_tgt) {
|
|
ocs_scsi_tgt_del_sport(sport);
|
|
}
|
|
break;
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Wait for the node shutdowns to complete.
|
|
*
|
|
* @par Description
|
|
* Waits for the ALL_CHILD_NODES_FREE event to be posted from the node
|
|
* shutdown process.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_wait_shutdown(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_SPORT_ALLOC_OK:
|
|
case OCS_EVT_SPORT_ALLOC_FAIL:
|
|
case OCS_EVT_SPORT_ATTACH_OK:
|
|
case OCS_EVT_SPORT_ATTACH_FAIL:
|
|
/* ignore these events - just wait for the all free event */
|
|
break;
|
|
|
|
case OCS_EVT_ALL_CHILD_NODES_FREE: {
|
|
/* Remove the sport from the domain's sparse vector lookup table */
|
|
ocs_lock(&domain->lookup_lock);
|
|
spv_set(domain->lookup, sport->fc_id, NULL);
|
|
ocs_unlock(&domain->lookup_lock);
|
|
ocs_sm_transition(ctx, __ocs_sport_wait_port_free, NULL);
|
|
if (ocs_hw_port_free(&ocs->hw, sport)) {
|
|
ocs_log_err(sport->ocs, "ocs_hw_port_free failed\n");
|
|
/* Not much we can do, free the sport anyways */
|
|
ocs_sport_free(sport);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief SLI port state machine: Wait for the HW's port free to complete.
|
|
*
|
|
* @par Description
|
|
* Waits for the HW's port free to complete.
|
|
*
|
|
* @param ctx Remote node state machine context.
|
|
* @param evt Event to process.
|
|
* @param arg Per event optional argument.
|
|
*
|
|
* @return Returns NULL.
|
|
*/
|
|
|
|
void *
|
|
__ocs_sport_wait_port_free(ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg)
|
|
{
|
|
std_sport_state_decl();
|
|
|
|
sport_sm_trace(sport);
|
|
|
|
switch(evt) {
|
|
case OCS_EVT_SPORT_ATTACH_OK:
|
|
/* Ignore as we are waiting for the free CB */
|
|
break;
|
|
case OCS_EVT_SPORT_FREE_OK: {
|
|
/* All done, free myself */
|
|
ocs_sport_free(sport);
|
|
break;
|
|
}
|
|
default:
|
|
__ocs_sport_common(__func__, ctx, evt, arg);
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief Start the vports on a domain
|
|
*
|
|
* @par Description
|
|
* Use the vport specification to find the associated vports and start them.
|
|
*
|
|
* @param domain Pointer to the domain context.
|
|
*
|
|
* @return Returns 0 on success, or a negative error value on failure.
|
|
*/
|
|
int32_t
|
|
ocs_vport_start(ocs_domain_t *domain)
|
|
{
|
|
ocs_t *ocs = domain->ocs;
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_vport_spec_t *vport;
|
|
ocs_vport_spec_t *next;
|
|
ocs_sport_t *sport;
|
|
int32_t rc = 0;
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_foreach_safe(&xport->vport_list, vport, next) {
|
|
if (vport->domain_instance == domain->instance_index &&
|
|
vport->sport == NULL) {
|
|
/* If role not set, skip this vport */
|
|
if (!(vport->enable_ini || vport->enable_tgt)) {
|
|
continue;
|
|
}
|
|
|
|
/* Allocate a sport */
|
|
vport->sport = sport = ocs_sport_alloc(domain, vport->wwpn, vport->wwnn, vport->fc_id,
|
|
vport->enable_ini, vport->enable_tgt);
|
|
if (sport == NULL) {
|
|
rc = -1;
|
|
} else {
|
|
sport->is_vport = 1;
|
|
sport->tgt_data = vport->tgt_data;
|
|
sport->ini_data = vport->ini_data;
|
|
|
|
/* Transition to vport_init */
|
|
ocs_sm_transition(&sport->sm, __ocs_sport_vport_init, NULL);
|
|
}
|
|
}
|
|
}
|
|
ocs_device_unlock(ocs);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief Clear the sport reference in the vport specification.
|
|
*
|
|
* @par Description
|
|
* Clear the sport pointer on the vport specification when the vport is torn down. This allows it to be
|
|
* re-created when the link is re-established.
|
|
*
|
|
* @param sport Pointer to the sport context.
|
|
*/
|
|
static void
|
|
ocs_vport_link_down(ocs_sport_t *sport)
|
|
{
|
|
ocs_t *ocs = sport->ocs;
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_vport_spec_t *vport;
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_foreach(&xport->vport_list, vport) {
|
|
if (vport->sport == sport) {
|
|
vport->sport = NULL;
|
|
break;
|
|
}
|
|
}
|
|
ocs_device_unlock(ocs);
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief Allocate a new virtual SLI port.
|
|
*
|
|
* @par Description
|
|
* A new sport is created, in response to an external management request.
|
|
*
|
|
* @n @b Note: If the WWPN is zero, the firmware will assign the WWNs.
|
|
*
|
|
* @param domain Pointer to the domain context.
|
|
* @param wwpn World wide port name.
|
|
* @param wwnn World wide node name
|
|
* @param fc_id Requested port ID (used in fabric emulation mode).
|
|
* @param ini TRUE, if port is created as an initiator node.
|
|
* @param tgt TRUE, if port is created as a target node.
|
|
* @param tgt_data Pointer to target specific data
|
|
* @param ini_data Pointer to initiator specific data
|
|
* @param restore_vport If TRUE, then the vport will be re-created automatically
|
|
* on link disruption.
|
|
*
|
|
* @return Returns 0 on success; or a negative error value on failure.
|
|
*/
|
|
|
|
int32_t
|
|
ocs_sport_vport_new(ocs_domain_t *domain, uint64_t wwpn, uint64_t wwnn,
|
|
uint32_t fc_id, uint8_t ini, uint8_t tgt, void *tgt_data,
|
|
void *ini_data, uint8_t restore_vport)
|
|
{
|
|
ocs_sport_t *sport;
|
|
|
|
if (ini && (domain->ocs->enable_ini == 0)) {
|
|
ocs_log_test(domain->ocs, "driver initiator functionality not enabled\n");
|
|
return -1;
|
|
}
|
|
|
|
if (tgt && (domain->ocs->enable_tgt == 0)) {
|
|
ocs_log_test(domain->ocs, "driver target functionality not enabled\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Create a vport spec if we need to recreate this vport after a link up event */
|
|
if (restore_vport) {
|
|
if (ocs_vport_create_spec(domain->ocs, wwnn, wwpn, fc_id, ini, tgt, tgt_data, ini_data)) {
|
|
ocs_log_test(domain->ocs, "failed to create vport object entry\n");
|
|
return -1;
|
|
}
|
|
return ocs_vport_start(domain);
|
|
}
|
|
|
|
/* Allocate a sport */
|
|
sport = ocs_sport_alloc(domain, wwpn, wwnn, fc_id, ini, tgt);
|
|
|
|
if (sport == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
sport->is_vport = 1;
|
|
sport->tgt_data = tgt_data;
|
|
sport->ini_data = ini_data;
|
|
|
|
/* Transition to vport_init */
|
|
ocs_sm_transition(&sport->sm, __ocs_sport_vport_init, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t
|
|
ocs_sport_vport_alloc(ocs_domain_t *domain, ocs_vport_spec_t *vport)
|
|
{
|
|
ocs_sport_t *sport = NULL;
|
|
|
|
if (domain == NULL) {
|
|
return (0);
|
|
}
|
|
|
|
ocs_assert((vport->sport == NULL), -1);
|
|
|
|
/* Allocate a sport */
|
|
vport->sport = sport = ocs_sport_alloc(domain, vport->wwpn, vport->wwnn, UINT32_MAX, vport->enable_ini, vport->enable_tgt);
|
|
|
|
if (sport == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
sport->is_vport = 1;
|
|
sport->tgt_data = vport->tgt_data;
|
|
sport->ini_data = vport->tgt_data;
|
|
|
|
/* Transition to vport_init */
|
|
ocs_sm_transition(&sport->sm, __ocs_sport_vport_init, NULL);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief Remove a previously-allocated virtual port.
|
|
*
|
|
* @par Description
|
|
* A previously-allocated virtual port is removed by posting the shutdown event to the
|
|
* sport with a matching WWN.
|
|
*
|
|
* @param ocs Pointer to the device object.
|
|
* @param domain Pointer to the domain structure (may be NULL).
|
|
* @param wwpn World wide port name of the port to delete (host endian).
|
|
* @param wwnn World wide node name of the port to delete (host endian).
|
|
*
|
|
* @return Returns 0 on success, or a negative error value on failure.
|
|
*/
|
|
|
|
int32_t ocs_sport_vport_del(ocs_t *ocs, ocs_domain_t *domain, uint64_t wwpn, uint64_t wwnn)
|
|
{
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_sport_t *sport;
|
|
int found = 0;
|
|
ocs_vport_spec_t *vport;
|
|
ocs_vport_spec_t *next;
|
|
uint32_t instance;
|
|
|
|
/* If no domain is given, use instance 0, otherwise use domain instance */
|
|
if (domain == NULL) {
|
|
instance = 0;
|
|
} else {
|
|
instance = domain->instance_index;
|
|
}
|
|
|
|
/* walk the ocs_vport_list and remove from there */
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_foreach_safe(&xport->vport_list, vport, next) {
|
|
if ((vport->domain_instance == instance) &&
|
|
(vport->wwpn == wwpn) && (vport->wwnn == wwnn)) {
|
|
vport->sport = NULL;
|
|
break;
|
|
}
|
|
}
|
|
ocs_device_unlock(ocs);
|
|
|
|
if (domain == NULL) {
|
|
/* No domain means no sport to look for */
|
|
return 0;
|
|
}
|
|
|
|
ocs_domain_lock(domain);
|
|
ocs_list_foreach(&domain->sport_list, sport) {
|
|
if ((sport->wwpn == wwpn) && (sport->wwnn == wwnn)) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (found) {
|
|
/* Shutdown this SPORT */
|
|
ocs_sm_post_event(&sport->sm, OCS_EVT_SHUTDOWN, NULL);
|
|
}
|
|
ocs_domain_unlock(domain);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @brief Force free all saved vports.
|
|
*
|
|
* @par Description
|
|
* Delete all device vports.
|
|
*
|
|
* @param ocs Pointer to the device object.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
void
|
|
ocs_vport_del_all(ocs_t *ocs)
|
|
{
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_vport_spec_t *vport;
|
|
ocs_vport_spec_t *next;
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_foreach_safe(&xport->vport_list, vport, next) {
|
|
ocs_list_remove(&xport->vport_list, vport);
|
|
ocs_free(ocs, vport, sizeof(*vport));
|
|
}
|
|
ocs_device_unlock(ocs);
|
|
}
|
|
|
|
/**
|
|
* @ingroup sport_sm
|
|
* @brief Generate a SLI port ddump.
|
|
*
|
|
* @par Description
|
|
* Generates the SLI port ddump data.
|
|
*
|
|
* @param textbuf Pointer to the text buffer.
|
|
* @param sport Pointer to the SLI-4 port.
|
|
*
|
|
* @return Returns 0 on success, or a negative value on failure.
|
|
*/
|
|
|
|
int
|
|
ocs_ddump_sport(ocs_textbuf_t *textbuf, ocs_sli_port_t *sport)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_node_group_dir_t *node_group_dir;
|
|
int retval = 0;
|
|
|
|
ocs_ddump_section(textbuf, "sport", sport->instance_index);
|
|
ocs_ddump_value(textbuf, "display_name", "%s", sport->display_name);
|
|
|
|
ocs_ddump_value(textbuf, "is_vport", "%d", sport->is_vport);
|
|
ocs_ddump_value(textbuf, "enable_ini", "%d", sport->enable_ini);
|
|
ocs_ddump_value(textbuf, "enable_tgt", "%d", sport->enable_tgt);
|
|
ocs_ddump_value(textbuf, "shutting_down", "%d", sport->shutting_down);
|
|
ocs_ddump_value(textbuf, "topology", "%d", sport->topology);
|
|
ocs_ddump_value(textbuf, "p2p_winner", "%d", sport->p2p_winner);
|
|
ocs_ddump_value(textbuf, "p2p_port_id", "%06x", sport->p2p_port_id);
|
|
ocs_ddump_value(textbuf, "p2p_remote_port_id", "%06x", sport->p2p_remote_port_id);
|
|
ocs_ddump_value(textbuf, "wwpn", "%016llx", (unsigned long long)sport->wwpn);
|
|
ocs_ddump_value(textbuf, "wwnn", "%016llx", (unsigned long long)sport->wwnn);
|
|
/*TODO: service_params */
|
|
|
|
ocs_ddump_value(textbuf, "indicator", "x%x", sport->indicator);
|
|
ocs_ddump_value(textbuf, "fc_id", "x%06x", sport->fc_id);
|
|
ocs_ddump_value(textbuf, "index", "%d", sport->index);
|
|
|
|
ocs_display_sparams(NULL, "sport_sparams", 1, textbuf, sport->service_params+4);
|
|
|
|
/* HLM dump */
|
|
ocs_ddump_section(textbuf, "hlm", sport->instance_index);
|
|
ocs_lock(&sport->node_group_lock);
|
|
ocs_list_foreach(&sport->node_group_dir_list, node_group_dir) {
|
|
ocs_remote_node_group_t *remote_node_group;
|
|
|
|
ocs_ddump_section(textbuf, "node_group_dir", node_group_dir->instance_index);
|
|
|
|
ocs_ddump_value(textbuf, "node_group_list_count", "%d", node_group_dir->node_group_list_count);
|
|
ocs_ddump_value(textbuf, "next_idx", "%d", node_group_dir->next_idx);
|
|
ocs_list_foreach(&node_group_dir->node_group_list, remote_node_group) {
|
|
ocs_ddump_section(textbuf, "node_group", remote_node_group->instance_index);
|
|
ocs_ddump_value(textbuf, "indicator", "x%x", remote_node_group->indicator);
|
|
ocs_ddump_value(textbuf, "index", "x%x", remote_node_group->index);
|
|
ocs_ddump_value(textbuf, "instance_index", "x%x", remote_node_group->instance_index);
|
|
ocs_ddump_endsection(textbuf, "node_group", 0);
|
|
}
|
|
ocs_ddump_endsection(textbuf, "node_group_dir", 0);
|
|
}
|
|
ocs_unlock(&sport->node_group_lock);
|
|
ocs_ddump_endsection(textbuf, "hlm", sport->instance_index);
|
|
|
|
ocs_scsi_ini_ddump(textbuf, OCS_SCSI_DDUMP_SPORT, sport);
|
|
ocs_scsi_tgt_ddump(textbuf, OCS_SCSI_DDUMP_SPORT, sport);
|
|
|
|
/* Dump all the nodes */
|
|
if (ocs_sport_lock_try(sport) != TRUE) {
|
|
/* Didn't get lock */
|
|
return -1;
|
|
}
|
|
/* Here the sport lock is held */
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
retval = ocs_ddump_node(textbuf, node);
|
|
if (retval != 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
|
|
ocs_ddump_endsection(textbuf, "sport", sport->index);
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
ocs_mgmt_sport_list(ocs_textbuf_t *textbuf, void *object)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_sport_t *sport = (ocs_sport_t *)object;
|
|
|
|
ocs_mgmt_start_section(textbuf, "sport", sport->instance_index);
|
|
|
|
/* Add my status values to textbuf */
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "indicator");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "fc_id");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "index");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "display_name");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "is_vport");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "enable_ini");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "enable_tgt");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "p2p");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "p2p_winner");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "p2p_port_id");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "p2p_remote_port_id");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "wwpn");
|
|
ocs_mgmt_emit_property_name(textbuf, MGMT_MODE_RD, "wwnn");
|
|
|
|
if (ocs_sport_lock_try(sport) == TRUE) {
|
|
/* If we get here, then we are holding the sport lock */
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
if ((node->mgmt_functions) && (node->mgmt_functions->get_list_handler)) {
|
|
node->mgmt_functions->get_list_handler(textbuf, node);
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
}
|
|
|
|
ocs_mgmt_end_section(textbuf, "sport", sport->instance_index);
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_sport_get(ocs_textbuf_t *textbuf, char *parent, char *name, void *object)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_sport_t *sport = (ocs_sport_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
ocs_mgmt_start_section(textbuf, "sport", sport->instance_index);
|
|
|
|
snprintf(qualifier, sizeof(qualifier), "%s/sport[%d]", parent, sport->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(name, qualifier, strlen(qualifier)) == 0) {
|
|
char *unqualified_name = name + strlen(qualifier) +1;
|
|
|
|
/* See if it's a value I can supply */
|
|
if (ocs_strcmp(unqualified_name, "indicator") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "indicator", "0x%x", sport->indicator);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "fc_id") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "fc_id", "0x%06x", sport->fc_id);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "index") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "index", "%d", sport->index);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "display_name") == 0) {
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "display_name", sport->display_name);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "is_vport") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "is_vport", sport->is_vport);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "enable_ini") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "enable_ini", sport->enable_ini);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "enable_tgt") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "enable_tgt", sport->enable_tgt);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "p2p_winner") == 0) {
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "p2p_winner", sport->p2p_winner);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "p2p_port_id") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "p2p_port_id", "0x%06x", sport->p2p_port_id);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "p2p_remote_port_id") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "p2p_remote_port_id", "0x%06x", sport->p2p_remote_port_id);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "wwpn") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwpn", "0x%016llx", (unsigned long long)sport->wwpn);
|
|
retval = 0;
|
|
} else if (ocs_strcmp(unqualified_name, "wwnn") == 0) {
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwnn", "0x%016llx", (unsigned long long)sport->wwnn);
|
|
retval = 0;
|
|
} else {
|
|
/* If I didn't know the value of this status pass the request to each of my children */
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
if ((node->mgmt_functions) && (node->mgmt_functions->get_handler)) {
|
|
retval = node->mgmt_functions->get_handler(textbuf, qualifier, name, node);
|
|
}
|
|
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
}
|
|
}
|
|
|
|
ocs_mgmt_end_section(textbuf, "sport", sport->instance_index);
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
ocs_mgmt_sport_get_all(ocs_textbuf_t *textbuf, void *object)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_sport_t *sport = (ocs_sport_t *)object;
|
|
|
|
ocs_mgmt_start_section(textbuf, "sport", sport->instance_index);
|
|
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "indicator", "0x%x", sport->indicator);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "fc_id", "0x%06x", sport->fc_id);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "index", "%d", sport->index);
|
|
ocs_mgmt_emit_string(textbuf, MGMT_MODE_RD, "display_name", sport->display_name);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "is_vport", sport->is_vport);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "enable_ini", sport->enable_ini);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "enable_tgt", sport->enable_tgt);
|
|
ocs_mgmt_emit_boolean(textbuf, MGMT_MODE_RD, "p2p_winner", sport->p2p_winner);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "p2p_port_id", "0x%06x", sport->p2p_port_id);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "p2p_remote_port_id", "0x%06x", sport->p2p_remote_port_id);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwpn", "0x%016llx" , (unsigned long long)sport->wwpn);
|
|
ocs_mgmt_emit_int(textbuf, MGMT_MODE_RD, "wwnn", "0x%016llx", (unsigned long long)sport->wwnn);
|
|
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
if ((node->mgmt_functions) && (node->mgmt_functions->get_all_handler)) {
|
|
node->mgmt_functions->get_all_handler(textbuf, node);
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
|
|
ocs_mgmt_end_section(textbuf, "sport", sport->instance_index);
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_sport_set(char *parent, char *name, char *value, void *object)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_sport_t *sport = (ocs_sport_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
snprintf(qualifier, sizeof(qualifier), "%s/sport[%d]", parent, sport->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(name, qualifier, strlen(qualifier)) == 0) {
|
|
/* The sport has no settable values. Pass the request to each node. */
|
|
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
if ((node->mgmt_functions) && (node->mgmt_functions->set_handler)) {
|
|
retval = node->mgmt_functions->set_handler(qualifier, name, value, node);
|
|
}
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
int
|
|
ocs_mgmt_sport_exec(char *parent, char *action, void *arg_in, uint32_t arg_in_length,
|
|
void *arg_out, uint32_t arg_out_length, void *object)
|
|
{
|
|
ocs_node_t *node;
|
|
ocs_sport_t *sport = (ocs_sport_t *)object;
|
|
char qualifier[80];
|
|
int retval = -1;
|
|
|
|
snprintf(qualifier, sizeof(qualifier), "%s.sport%d", parent, sport->instance_index);
|
|
|
|
/* If it doesn't start with my qualifier I don't know what to do with it */
|
|
if (ocs_strncmp(action, qualifier, strlen(qualifier)) == 0) {
|
|
/* See if it's an action I can perform */
|
|
|
|
/* if (ocs_strcmp ....
|
|
* {
|
|
* } else
|
|
*/
|
|
|
|
{
|
|
/* If I didn't know how to do this action pass the request to each of my children */
|
|
ocs_sport_lock(sport);
|
|
ocs_list_foreach(&sport->node_list, node) {
|
|
if ((node->mgmt_functions) && (node->mgmt_functions->exec_handler)) {
|
|
retval = node->mgmt_functions->exec_handler(qualifier, action, arg_in, arg_in_length,
|
|
arg_out, arg_out_length, node);
|
|
}
|
|
|
|
if (retval == 0) {
|
|
break;
|
|
}
|
|
}
|
|
ocs_sport_unlock(sport);
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* @brief Save the virtual port's parameters.
|
|
*
|
|
* @par Description
|
|
* The information required to restore a virtual port is saved.
|
|
*
|
|
* @param sport Pointer to the sport context.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
static void
|
|
ocs_vport_update_spec(ocs_sport_t *sport)
|
|
{
|
|
ocs_t *ocs = sport->ocs;
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_vport_spec_t *vport;
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_foreach(&xport->vport_list, vport) {
|
|
if (vport->sport == sport) {
|
|
vport->wwnn = sport->wwnn;
|
|
vport->wwpn = sport->wwpn;
|
|
vport->tgt_data = sport->tgt_data;
|
|
vport->ini_data = sport->ini_data;
|
|
break;
|
|
}
|
|
}
|
|
ocs_device_unlock(ocs);
|
|
}
|
|
|
|
/**
|
|
* @brief Create a saved vport entry.
|
|
*
|
|
* A saved vport entry is added to the vport list, which is restored following
|
|
* a link up. This function is used to allow vports to be created the first time
|
|
* the link comes up without having to go through the ioctl() API.
|
|
*
|
|
* @param ocs Pointer to device context.
|
|
* @param wwnn World wide node name (may be zero for auto-select).
|
|
* @param wwpn World wide port name (may be zero for auto-select).
|
|
* @param fc_id Requested port ID (used in fabric emulation mode).
|
|
* @param enable_ini TRUE if vport is to be an initiator port.
|
|
* @param enable_tgt TRUE if vport is to be a target port.
|
|
* @param tgt_data Pointer to target specific data.
|
|
* @param ini_data Pointer to initiator specific data.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
int8_t
|
|
ocs_vport_create_spec(ocs_t *ocs, uint64_t wwnn, uint64_t wwpn, uint32_t fc_id, uint32_t enable_ini, uint32_t enable_tgt, void *tgt_data, void *ini_data)
|
|
{
|
|
ocs_xport_t *xport = ocs->xport;
|
|
ocs_vport_spec_t *vport;
|
|
|
|
/* walk the ocs_vport_list and return failure if a valid(vport with non zero WWPN and WWNN) vport entry
|
|
is already created */
|
|
ocs_list_foreach(&xport->vport_list, vport) {
|
|
if ((wwpn && (vport->wwpn == wwpn)) && (wwnn && (vport->wwnn == wwnn))) {
|
|
ocs_log_test(ocs, "Failed: VPORT %016llx %016llx already allocated\n",
|
|
(unsigned long long)wwnn, (unsigned long long)wwpn);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
vport = ocs_malloc(ocs, sizeof(*vport), OCS_M_ZERO | OCS_M_NOWAIT);
|
|
if (vport == NULL) {
|
|
ocs_log_err(ocs, "ocs_malloc failed\n");
|
|
return -1;
|
|
}
|
|
|
|
vport->wwnn = wwnn;
|
|
vport->wwpn = wwpn;
|
|
vport->fc_id = fc_id;
|
|
vport->domain_instance = 0; /*TODO: may need to change this */
|
|
vport->enable_tgt = enable_tgt;
|
|
vport->enable_ini = enable_ini;
|
|
vport->tgt_data = tgt_data;
|
|
vport->ini_data = ini_data;
|
|
|
|
ocs_device_lock(ocs);
|
|
ocs_list_add_tail(&xport->vport_list, vport);
|
|
ocs_device_unlock(ocs);
|
|
return 0;
|
|
}
|
|
|
|
/* node group api */
|
|
|
|
/**
|
|
* @brief Perform the AND operation on source vectors.
|
|
*
|
|
* @par Description
|
|
* Performs an AND operation on the 8-bit values in source vectors @c b and @c c.
|
|
* The resulting value is stored in @c a.
|
|
*
|
|
* @param a Destination-byte vector.
|
|
* @param b Source-byte vector.
|
|
* @param c Source-byte vector.
|
|
* @param n Byte count.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
static void
|
|
and8(uint8_t *a, uint8_t *b, uint8_t *c, uint32_t n)
|
|
{
|
|
uint32_t i;
|
|
|
|
for (i = 0; i < n; i ++) {
|
|
*a = *b & *c;
|
|
a++;
|
|
b++;
|
|
c++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Service parameters mask data.
|
|
*/
|
|
static fc_sparms_t sparms_cmp_mask = {
|
|
0, /*uint32_t command_code: 8, */
|
|
0, /* resv1: 24; */
|
|
{~0, ~0, ~0, ~0}, /* uint32_t common_service_parameters[4]; */
|
|
0, /* uint32_t port_name_hi; */
|
|
0, /* uint32_t port_name_lo; */
|
|
0, /* uint32_t node_name_hi; */
|
|
0, /* uint32_t node_name_lo; */
|
|
{~0, ~0, ~0, ~0}, /* uint32_t class1_service_parameters[4]; */
|
|
{~0, ~0, ~0, ~0}, /* uint32_t class2_service_parameters[4]; */
|
|
{~0, ~0, ~0, ~0}, /* uint32_t class3_service_parameters[4]; */
|
|
{~0, ~0, ~0, ~0}, /* uint32_t class4_service_parameters[4]; */
|
|
{~0, ~0, ~0, ~0}}; /* uint32_t vendor_version_level[4]; */
|
|
|
|
/**
|
|
* @brief Compare service parameters.
|
|
*
|
|
* @par Description
|
|
* Returns 0 if the two service parameters are the same, excluding the port/node name
|
|
* elements.
|
|
*
|
|
* @param sp1 Pointer to service parameters 1.
|
|
* @param sp2 Pointer to service parameters 2.
|
|
*
|
|
* @return Returns 0 if parameters match; otherwise, returns a positive or negative value,
|
|
* depending on the arithmetic magnitude of the first mismatching byte.
|
|
*/
|
|
|
|
int
|
|
ocs_sparm_cmp(uint8_t *sp1, uint8_t *sp2)
|
|
{
|
|
int i;
|
|
int v;
|
|
uint8_t *sp3 = (uint8_t*) &sparms_cmp_mask;
|
|
|
|
for (i = 0; i < OCS_SERVICE_PARMS_LENGTH; i ++) {
|
|
v = ((int)(sp1[i] & sp3[i])) - ((int)(sp2[i] & sp3[i]));
|
|
if (v) {
|
|
break;
|
|
}
|
|
}
|
|
return v;
|
|
}
|
|
|
|
/**
|
|
* @brief Allocate a node group directory entry.
|
|
*
|
|
* @par Description
|
|
* A node group directory entry is allocated, initialized, and added to the sport's
|
|
* node group directory list.
|
|
*
|
|
* @param sport Pointer to the sport object.
|
|
* @param sparms Pointer to the service parameters.
|
|
*
|
|
* @return Returns a pointer to the allocated ocs_node_group_dir_t; or NULL.
|
|
*/
|
|
|
|
ocs_node_group_dir_t *
|
|
ocs_node_group_dir_alloc(ocs_sport_t *sport, uint8_t *sparms)
|
|
{
|
|
ocs_node_group_dir_t *node_group_dir;
|
|
|
|
node_group_dir = ocs_malloc(sport->ocs, sizeof(*node_group_dir), OCS_M_ZERO | OCS_M_NOWAIT);
|
|
if (node_group_dir != NULL) {
|
|
node_group_dir->sport = sport;
|
|
|
|
ocs_lock(&sport->node_group_lock);
|
|
node_group_dir->instance_index = sport->node_group_dir_next_instance++;
|
|
and8(node_group_dir->service_params, sparms, (uint8_t*)&sparms_cmp_mask, OCS_SERVICE_PARMS_LENGTH);
|
|
ocs_list_init(&node_group_dir->node_group_list, ocs_remote_node_group_t, link);
|
|
|
|
node_group_dir->node_group_list_count = 0;
|
|
node_group_dir->next_idx = 0;
|
|
ocs_list_add_tail(&sport->node_group_dir_list, node_group_dir);
|
|
ocs_unlock(&sport->node_group_lock);
|
|
|
|
ocs_log_debug(sport->ocs, "[%s] [%d] allocating node group directory\n", sport->display_name,
|
|
node_group_dir->instance_index);
|
|
}
|
|
return node_group_dir;
|
|
}
|
|
|
|
/**
|
|
* @brief Free a node group directory entry.
|
|
*
|
|
* @par Description
|
|
* The node group directory entry @c node_group_dir is removed
|
|
* from the sport's node group directory list and freed.
|
|
*
|
|
* @param node_group_dir Pointer to the node group directory entry.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
void
|
|
ocs_node_group_dir_free(ocs_node_group_dir_t *node_group_dir)
|
|
{
|
|
ocs_sport_t *sport;
|
|
if (node_group_dir != NULL) {
|
|
sport = node_group_dir->sport;
|
|
ocs_log_debug(sport->ocs, "[%s] [%d] freeing node group directory\n", sport->display_name,
|
|
node_group_dir->instance_index);
|
|
ocs_lock(&sport->node_group_lock);
|
|
if (!ocs_list_empty(&node_group_dir->node_group_list)) {
|
|
ocs_log_test(sport->ocs, "[%s] WARNING: node group list not empty\n", sport->display_name);
|
|
}
|
|
ocs_list_remove(&sport->node_group_dir_list, node_group_dir);
|
|
ocs_unlock(&sport->node_group_lock);
|
|
ocs_free(sport->ocs, node_group_dir, sizeof(*node_group_dir));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Find a matching node group directory entry.
|
|
*
|
|
* @par Description
|
|
* The sport's node group directory list is searched for a matching set of
|
|
* service parameters. The first matching entry is returned; otherwise
|
|
* NULL is returned.
|
|
*
|
|
* @param sport Pointer to the sport object.
|
|
* @param sparms Pointer to the sparams to match.
|
|
*
|
|
* @return Returns a pointer to the first matching entry found; or NULL.
|
|
*/
|
|
|
|
ocs_node_group_dir_t *
|
|
ocs_node_group_dir_find(ocs_sport_t *sport, uint8_t *sparms)
|
|
{
|
|
ocs_node_group_dir_t *node_dir = NULL;
|
|
|
|
ocs_lock(&sport->node_group_lock);
|
|
ocs_list_foreach(&sport->node_group_dir_list, node_dir) {
|
|
if (ocs_sparm_cmp(sparms, node_dir->service_params) == 0) {
|
|
ocs_unlock(&sport->node_group_lock);
|
|
return node_dir;
|
|
}
|
|
}
|
|
ocs_unlock(&sport->node_group_lock);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* @brief Allocate a remote node group object.
|
|
*
|
|
* @par Description
|
|
* A remote node group object is allocated, initialized, and placed on the node group
|
|
* list of @c node_group_dir. The HW remote node group @b alloc function is called.
|
|
*
|
|
* @param node_group_dir Pointer to the node group directory.
|
|
*
|
|
* @return Returns a pointer to the allocated remote node group object; or NULL.
|
|
*/
|
|
|
|
ocs_remote_node_group_t *
|
|
ocs_remote_node_group_alloc(ocs_node_group_dir_t *node_group_dir)
|
|
{
|
|
ocs_t *ocs;
|
|
ocs_sport_t *sport;
|
|
ocs_remote_node_group_t *node_group;
|
|
ocs_hw_rtn_e hrc;
|
|
|
|
ocs_assert(node_group_dir, NULL);
|
|
ocs_assert(node_group_dir->sport, NULL);
|
|
ocs_assert(node_group_dir->sport->ocs, NULL);
|
|
|
|
sport = node_group_dir->sport;
|
|
ocs = sport->ocs;
|
|
|
|
node_group = ocs_malloc(ocs, sizeof(*node_group), OCS_M_ZERO | OCS_M_NOWAIT);
|
|
if (node_group != NULL) {
|
|
/* set pointer to node group directory */
|
|
node_group->node_group_dir = node_group_dir;
|
|
|
|
ocs_lock(&node_group_dir->sport->node_group_lock);
|
|
node_group->instance_index = sport->node_group_next_instance++;
|
|
ocs_unlock(&node_group_dir->sport->node_group_lock);
|
|
|
|
/* invoke HW node group inialization */
|
|
hrc = ocs_hw_node_group_alloc(&ocs->hw, node_group);
|
|
if (hrc != OCS_HW_RTN_SUCCESS) {
|
|
ocs_log_err(ocs, "ocs_hw_node_group_alloc() failed: %d\n", hrc);
|
|
ocs_free(ocs, node_group, sizeof(*node_group));
|
|
return NULL;
|
|
}
|
|
|
|
ocs_log_debug(ocs, "[%s] [%d] indicator x%03x allocating node group\n", sport->display_name,
|
|
node_group->indicator, node_group->instance_index);
|
|
|
|
/* add to the node group directory entry node group list */
|
|
ocs_lock(&node_group_dir->sport->node_group_lock);
|
|
ocs_list_add_tail(&node_group_dir->node_group_list, node_group);
|
|
node_group_dir->node_group_list_count ++;
|
|
ocs_unlock(&node_group_dir->sport->node_group_lock);
|
|
}
|
|
return node_group;
|
|
}
|
|
|
|
/**
|
|
* @brief Free a remote node group object.
|
|
*
|
|
* @par Description
|
|
* The remote node group object @c node_group is removed from its
|
|
* node group directory entry and freed.
|
|
*
|
|
* @param node_group Pointer to the remote node group object.
|
|
*
|
|
* @return None.
|
|
*/
|
|
|
|
void
|
|
ocs_remote_node_group_free(ocs_remote_node_group_t *node_group)
|
|
{
|
|
ocs_sport_t *sport;
|
|
ocs_node_group_dir_t *node_group_dir;
|
|
|
|
if (node_group != NULL) {
|
|
ocs_assert(node_group->node_group_dir);
|
|
ocs_assert(node_group->node_group_dir->sport);
|
|
ocs_assert(node_group->node_group_dir->sport->ocs);
|
|
|
|
node_group_dir = node_group->node_group_dir;
|
|
sport = node_group_dir->sport;
|
|
|
|
ocs_log_debug(sport->ocs, "[%s] [%d] freeing node group\n", sport->display_name, node_group->instance_index);
|
|
|
|
/* Remove from node group directory node group list */
|
|
ocs_lock(&sport->node_group_lock);
|
|
ocs_list_remove(&node_group_dir->node_group_list, node_group);
|
|
node_group_dir->node_group_list_count --;
|
|
/* TODO: note that we're going to have the node_group_dir entry persist forever ... we could delete it if
|
|
* the group_list_count goes to zero (or the linked list is empty */
|
|
ocs_unlock(&sport->node_group_lock);
|
|
ocs_free(sport->ocs, node_group, sizeof(*node_group));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Initialize a node for high login mode.
|
|
*
|
|
* @par Description
|
|
* The @c node is initialized for high login mode. The following steps are performed:
|
|
* 1. The sports node group directory is searched for a matching set of service parameters.
|
|
* 2. If a matching set is not found, a node group directory entry is allocated.
|
|
* 3. If less than the @c hlm_group_size number of remote node group objects is present in the
|
|
* node group directory, a new remote node group object is allocated and added to the list.
|
|
* 4. A remote node group object is selected, and the node is attached to the node group.
|
|
*
|
|
* @param node Pointer to the node.
|
|
*
|
|
* @return Returns 0 on success, or a negative error value on failure.
|
|
*/
|
|
|
|
int
|
|
ocs_node_group_init(ocs_node_t *node)
|
|
{
|
|
ocs_t *ocs;
|
|
ocs_sport_t *sport;
|
|
ocs_node_group_dir_t *node_group_dir;
|
|
ocs_remote_node_group_t *node_group;
|
|
ocs_hw_rtn_e hrc;
|
|
|
|
ocs_assert(node, -1);
|
|
ocs_assert(node->sport, -1);
|
|
ocs_assert(node->ocs, -1);
|
|
|
|
ocs = node->ocs;
|
|
sport = node->sport;
|
|
|
|
ocs_assert(ocs->enable_hlm, -1);
|
|
|
|
/* see if there's a node group directory allocated for this service parameter set */
|
|
node_group_dir = ocs_node_group_dir_find(sport, node->service_params);
|
|
if (node_group_dir == NULL) {
|
|
/* not found, so allocate one */
|
|
node_group_dir = ocs_node_group_dir_alloc(sport, node->service_params);
|
|
if (node_group_dir == NULL) {
|
|
/* node group directory allocation failed ... can't continue, however,
|
|
* the node will be allocated with a normal (not shared) RPI
|
|
*/
|
|
ocs_log_err(ocs, "ocs_node_group_dir_alloc() failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* check to see if we've allocated hlm_group_size's worth of node group structures for this
|
|
* directory entry, if not, then allocate and use a new one, otherwise pick the next one.
|
|
*/
|
|
ocs_lock(&node->sport->node_group_lock);
|
|
if (node_group_dir->node_group_list_count < ocs->hlm_group_size) {
|
|
ocs_unlock(&node->sport->node_group_lock);
|
|
node_group = ocs_remote_node_group_alloc(node_group_dir);
|
|
if (node_group == NULL) {
|
|
ocs_log_err(ocs, "ocs_remote_node_group_alloc() failed\n");
|
|
return -1;
|
|
}
|
|
ocs_lock(&node->sport->node_group_lock);
|
|
} else {
|
|
uint32_t idx = 0;
|
|
|
|
ocs_list_foreach(&node_group_dir->node_group_list, node_group) {
|
|
if (idx >= ocs->hlm_group_size) {
|
|
ocs_log_err(node->ocs, "assertion failed: idx >= ocs->hlm_group_size\n");
|
|
ocs_unlock(&node->sport->node_group_lock);
|
|
return -1;
|
|
}
|
|
|
|
if (idx == node_group_dir->next_idx) {
|
|
break;
|
|
}
|
|
idx ++;
|
|
}
|
|
if (idx == ocs->hlm_group_size) {
|
|
node_group = ocs_list_get_head(&node_group_dir->node_group_list);
|
|
}
|
|
if (++node_group_dir->next_idx >= node_group_dir->node_group_list_count) {
|
|
node_group_dir->next_idx = 0;
|
|
}
|
|
}
|
|
ocs_unlock(&node->sport->node_group_lock);
|
|
|
|
/* Initialize a pointer in the node back to the node group */
|
|
node->node_group = node_group;
|
|
|
|
/* Join this node into the group */
|
|
hrc = ocs_hw_node_group_attach(&ocs->hw, node_group, &node->rnode);
|
|
|
|
return (hrc == OCS_HW_RTN_SUCCESS) ? 0 : -1;
|
|
}
|