/*- * Copyright (c) 2017 Broadcom. All rights reserved. * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /** * @file * Details SLI port (sport) functions. */ #include "ocs.h" #include "ocs_fabric.h" #include "ocs_els.h" #include "ocs_device.h" static void ocs_vport_update_spec(ocs_sport_t *sport); static void ocs_vport_link_down(ocs_sport_t *sport); void ocs_mgmt_sport_list(ocs_textbuf_t *textbuf, void *sport); void ocs_mgmt_sport_get_all(ocs_textbuf_t *textbuf, void *sport); int ocs_mgmt_sport_get(ocs_textbuf_t *textbuf, char *parent, char *name, void *sport); int ocs_mgmt_sport_set(char *parent, char *name, char *value, void *sport); 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 *sport); static ocs_mgmt_functions_t sport_mgmt_functions = { .get_list_handler = ocs_mgmt_sport_list, .get_handler = ocs_mgmt_sport_get, .get_all_handler = ocs_mgmt_sport_get_all, .set_handler = ocs_mgmt_sport_set, .exec_handler = ocs_mgmt_sport_exec, }; /*! @defgroup sport_sm SLI Port (sport) State Machine: States */ /** * @ingroup sport_sm * @brief SLI port HW callback. * * @par Description * This function is called in response to a HW sport event. This code resolves * the reference to the sport object, and posts the corresponding event. * * @param arg Pointer to the OCS context. * @param event HW sport event. * @param data Application-specific event (pointer to the sport). * * @return Returns 0 on success, or a negative error value on failure. */ int32_t ocs_port_cb(void *arg, ocs_hw_port_event_e event, void *data) { ocs_t *ocs = arg; ocs_sli_port_t *sport = data; switch (event) { case OCS_HW_PORT_ALLOC_OK: ocs_log_debug(ocs, "OCS_HW_PORT_ALLOC_OK\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ALLOC_OK, NULL); break; case OCS_HW_PORT_ALLOC_FAIL: ocs_log_debug(ocs, "OCS_HW_PORT_ALLOC_FAIL\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ALLOC_FAIL, NULL); break; case OCS_HW_PORT_ATTACH_OK: ocs_log_debug(ocs, "OCS_HW_PORT_ATTACH_OK\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ATTACH_OK, NULL); break; case OCS_HW_PORT_ATTACH_FAIL: ocs_log_debug(ocs, "OCS_HW_PORT_ATTACH_FAIL\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_ATTACH_FAIL, NULL); break; case OCS_HW_PORT_FREE_OK: ocs_log_debug(ocs, "OCS_HW_PORT_FREE_OK\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_FREE_OK, NULL); break; case OCS_HW_PORT_FREE_FAIL: ocs_log_debug(ocs, "OCS_HW_PORT_FREE_FAIL\n"); ocs_sm_post_event(&sport->sm, OCS_EVT_SPORT_FREE_FAIL, NULL); break; default: ocs_log_test(ocs, "unknown event %#x\n", event); } return 0; } /** * @ingroup sport_sm * @brief Allocate a SLI port object. * * @par Description * A sport object is allocated and associated with the domain. Various * structure members are initialized. * * @param domain Pointer to the domain structure. * @param wwpn World wide port name in host endian. * @param wwnn World wide node name in host endian. * @param fc_id Port ID of sport may be specified, use UINT32_MAX to fabric choose * @param enable_ini Enables initiator capability on this port using a non-zero value. * @param enable_tgt Enables target capability on this port using a non-zero value. * * @return Pointer to an ocs_sport_t object; or NULL. */ ocs_sport_t * 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) { ocs_sport_t *sport; if (domain->ocs->ctrlmask & OCS_CTRLMASK_INHIBIT_INITIATOR) { enable_ini = 0; } /* Return a failure if this sport has already been allocated */ if (wwpn != 0) { sport = ocs_sport_find_wwn(domain, wwnn, wwpn); if (sport != NULL) { ocs_log_test(domain->ocs, "Failed: SPORT %016llx %016llx already allocated\n", (unsigned long long)wwnn, (unsigned long long)wwpn); return NULL; } } sport = ocs_malloc(domain->ocs, sizeof(*sport), OCS_M_NOWAIT | OCS_M_ZERO); if (sport) { sport->ocs = domain->ocs; ocs_snprintf(sport->display_name, sizeof(sport->display_name), "------"); sport->domain = domain; sport->lookup = spv_new(domain->ocs); sport->instance_index = domain->sport_instance_count++; ocs_sport_lock_init(sport); ocs_list_init(&sport->node_list, ocs_node_t, link); sport->sm.app = sport; sport->enable_ini = enable_ini; sport->enable_tgt = enable_tgt; sport->enable_rscn = (sport->enable_ini || (sport->enable_tgt && enable_target_rscn(sport->ocs))); /* Copy service parameters from domain */ ocs_memcpy(sport->service_params, domain->service_params, sizeof(fc_plogi_payload_t)); /* Update requested fc_id */ sport->fc_id = fc_id; /* Update the sport's service parameters for the new wwn's */ sport->wwpn = wwpn; sport->wwnn = wwnn; ocs_snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llx" , (unsigned long long)wwnn); /* Initialize node group list */ ocs_lock_init(sport->ocs, &sport->node_group_lock, "node_group_lock[%d]", sport->instance_index); ocs_list_init(&sport->node_group_dir_list, ocs_node_group_dir_t, link); /* if this is the "first" sport of the domain, then make it the "phys" sport */ ocs_domain_lock(domain); if (ocs_list_empty(&domain->sport_list)) { domain->sport = sport; } ocs_list_add_tail(&domain->sport_list, sport); ocs_domain_unlock(domain); sport->mgmt_functions = &sport_mgmt_functions; ocs_log_debug(domain->ocs, "[%s] allocate sport\n", sport->display_name); } return sport; } /** * @ingroup sport_sm * @brief Free a SLI port object. * * @par Description * The sport object is freed. * * @param sport Pointer to the SLI port object. * * @return None. */ void ocs_sport_free(ocs_sport_t *sport) { ocs_domain_t *domain; ocs_node_group_dir_t *node_group_dir; ocs_node_group_dir_t *node_group_dir_next; int post_all_free = FALSE; if (sport) { domain = sport->domain; ocs_log_debug(domain->ocs, "[%s] free sport\n", sport->display_name); ocs_domain_lock(domain); ocs_list_remove(&domain->sport_list, sport); ocs_sport_lock(sport); spv_del(sport->lookup); sport->lookup = NULL; ocs_lock(&domain->lookup_lock); /* Remove the sport from the domain's sparse vector lookup table */ spv_set(domain->lookup, sport->fc_id, NULL); ocs_unlock(&domain->lookup_lock); /* if this is the physical sport, then clear it out of the domain */ if (sport == domain->sport) { domain->sport = NULL; } /* * If the domain's sport_list is empty, then post the ALL_NODES_FREE event to the domain, * after the lock is released. The domain may be free'd as a result of the event. */ if (ocs_list_empty(&domain->sport_list)) { post_all_free = TRUE; } /* Free any node group directories */ ocs_lock(&sport->node_group_lock); ocs_list_foreach_safe(&sport->node_group_dir_list, node_group_dir, node_group_dir_next) { ocs_unlock(&sport->node_group_lock); ocs_node_group_dir_free(node_group_dir); ocs_lock(&sport->node_group_lock); } ocs_unlock(&sport->node_group_lock); ocs_sport_unlock(sport); ocs_domain_unlock(domain); if (post_all_free) { ocs_domain_post_event(domain, OCS_EVT_ALL_CHILD_NODES_FREE, NULL); } ocs_sport_lock_free(sport); ocs_lock_free(&sport->node_group_lock); ocs_scsi_sport_deleted(sport); ocs_free(sport->ocs, sport, sizeof(*sport)); } } /** * @ingroup sport_sm * @brief Free memory resources of a SLI port object. * * @par Description * After the sport object is freed, its child objects are freed. * * @param sport Pointer to the SLI port object. * * @return None. */ void ocs_sport_force_free(ocs_sport_t *sport) { ocs_node_t *node; ocs_node_t *next; /* shutdown sm processing */ ocs_sm_disable(&sport->sm); ocs_scsi_notify_sport_force_free(sport); ocs_sport_lock(sport); ocs_list_foreach_safe(&sport->node_list, node, next) { ocs_node_force_free(node); } ocs_sport_unlock(sport); ocs_sport_free(sport); } /** * @ingroup sport_sm * @brief Return a SLI port object, given an instance index. * * @par Description * A pointer to a sport object is returned, given its instance @c index. * * @param domain Pointer to the domain. * @param index Instance index value to find. * * @return Returns a pointer to the ocs_sport_t object; or NULL. */ ocs_sport_t * ocs_sport_get_instance(ocs_domain_t *domain, uint32_t index) { ocs_sport_t *sport; ocs_domain_lock(domain); ocs_list_foreach(&domain->sport_list, sport) { if (sport->instance_index == index) { ocs_domain_unlock(domain); return sport; } } ocs_domain_unlock(domain); return NULL; } /** * @ingroup sport_sm * @brief Find a SLI port object, given an FC_ID. * * @par Description * Returns a pointer to the sport object, given an FC_ID. * * @param domain Pointer to the domain. * @param d_id FC_ID to find. * * @return Returns a pointer to the ocs_sport_t; or NULL. */ ocs_sport_t * ocs_sport_find(ocs_domain_t *domain, uint32_t d_id) { ocs_sport_t *sport; ocs_assert(domain, NULL); ocs_lock(&domain->lookup_lock); if (domain->lookup == NULL) { ocs_log_test(domain->ocs, "assertion failed: domain->lookup is not valid\n"); ocs_unlock(&domain->lookup_lock); return NULL; } sport = spv_get(domain->lookup, d_id); ocs_unlock(&domain->lookup_lock); return sport; } /** * @ingroup sport_sm * @brief Find a SLI port, given the WWNN and WWPN. * * @par Description * Return a pointer to a sport, given the WWNN and WWPN. * * @param domain Pointer to the domain. * @param wwnn World wide node name. * @param wwpn World wide port name. * * @return Returns a pointer to a SLI port, if found; or NULL. */ ocs_sport_t * ocs_sport_find_wwn(ocs_domain_t *domain, uint64_t wwnn, uint64_t wwpn) { ocs_sport_t *sport = NULL; ocs_domain_lock(domain); ocs_list_foreach(&domain->sport_list, sport) { if ((sport->wwnn == wwnn) && (sport->wwpn == wwpn)) { ocs_domain_unlock(domain); return sport; } } ocs_domain_unlock(domain); return NULL; } /** * @ingroup sport_sm * @brief Request a SLI port attach. * * @par Description * External call to request an attach for a sport, given an FC_ID. * * @param sport Pointer to the sport context. * @param fc_id FC_ID of which to attach. * * @return Returns 0 on success, or a negative error value on failure. */ int32_t ocs_sport_attach(ocs_sport_t *sport, uint32_t fc_id) { ocs_hw_rtn_e rc; ocs_node_t *node; /* Set our lookup */ ocs_lock(&sport->domain->lookup_lock); spv_set(sport->domain->lookup, fc_id, sport); ocs_unlock(&sport->domain->lookup_lock); /* Update our display_name */ ocs_node_fcid_display(fc_id, sport->display_name, sizeof(sport->display_name)); ocs_sport_lock(sport); ocs_list_foreach(&sport->node_list, node) { ocs_node_update_display_name(node); } ocs_sport_unlock(sport); ocs_log_debug(sport->ocs, "[%s] attach sport: fc_id x%06x\n", sport->display_name, fc_id); rc = ocs_hw_port_attach(&sport->ocs->hw, sport, fc_id); if (rc != OCS_HW_RTN_SUCCESS) { ocs_log_err(sport->ocs, "ocs_hw_port_attach failed: %d\n", rc); return -1; } return 0; } /** * @brief Common SLI port state machine declarations and initialization. */ #define std_sport_state_decl() \ ocs_sport_t *sport = NULL; \ ocs_domain_t *domain = NULL; \ ocs_t *ocs = NULL; \ \ ocs_assert(ctx, NULL); \ sport = ctx->app; \ ocs_assert(sport, NULL); \ \ domain = sport->domain; \ ocs_assert(domain, NULL); \ ocs = sport->ocs; \ ocs_assert(ocs, NULL); /** * @brief Common SLI port state machine trace logging. */ #define sport_sm_trace(sport) \ do { \ if (OCS_LOG_ENABLE_DOMAIN_SM_TRACE(ocs)) \ ocs_log_debug(ocs, "[%s] %-20s\n", sport->display_name, ocs_sm_event_name(evt)); \ } while (0) /** * @brief SLI port state machine: Common event handler. * * @par Description * Handle common sport events. * * @param funcname Function name to display. * @param ctx Sport state machine context. * @param evt Event to process. * @param arg Per event optional argument. * * @return Returns NULL. */ static void * __ocs_sport_common(const char *funcname, ocs_sm_ctx_t *ctx, ocs_sm_event_t evt, void *arg) { std_sport_state_decl(); switch(evt) { case OCS_EVT_ENTER: case OCS_EVT_REENTER: case OCS_EVT_EXIT: 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; }