/*- * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * 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 * OWNER 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. */ #include __FBSDID("$FreeBSD$"); /** * @file * * @brief This file contains the implementation of the SCIF_SAS_DOMAIN * object. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //****************************************************************************** //* P R I V A T E M E T H O D S //****************************************************************************** /** * @brief This method will attempt to handle an operation timeout (i.e. * discovery or reset). * * @param[in] cookie This parameter specifies the domain in which the * timeout occurred. * * @return none */ static void scif_sas_domain_operation_timeout_handler( void * cookie ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) cookie; U32 state; state = sci_base_state_machine_get_state(&fw_domain->parent.state_machine); // Based upon the state of the domain, we know whether we were in the // process of performing discovery or a reset. if (state == SCI_BASE_DOMAIN_STATE_DISCOVERING) { SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "Domain:0x%x State:0x%x DISCOVER timeout!\n", fw_domain, state )); fw_domain->operation.status = SCI_FAILURE_TIMEOUT; //search all the smp devices in the domain and cancel their activities //if there is any outstanding activity remained. The smp devices will terminate //all the started internal IOs. scif_sas_domain_cancel_smp_activities(fw_domain); scif_sas_domain_continue_discover(fw_domain); } else { SCIF_LOG_ERROR(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "Domain:0x%x State:0x%x operation timeout in invalid state\n", fw_domain, state )); } } //****************************************************************************** //* P U B L I C M E T H O D S //****************************************************************************** SCI_PORT_HANDLE_T scif_domain_get_scic_port_handle( SCI_DOMAIN_HANDLE_T domain ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) domain; if ( (fw_domain == NULL) || (fw_domain->core_object == SCI_INVALID_HANDLE) ) return SCI_INVALID_HANDLE; SCIF_LOG_WARNING(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "Domain:0x%x no associated core port found\n", fw_domain )); return fw_domain->core_object; } // --------------------------------------------------------------------------- SCI_REMOTE_DEVICE_HANDLE_T scif_domain_get_device_by_sas_address( SCI_DOMAIN_HANDLE_T domain, SCI_SAS_ADDRESS_T * sas_address ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) domain; SCI_ABSTRACT_ELEMENT_T * element = sci_abstract_list_get_front( &fw_domain->remote_device_list ); SCIF_SAS_REMOTE_DEVICE_T * fw_device; SCI_SAS_ADDRESS_T fw_device_address; SCIF_LOG_TRACE(( sci_base_object_get_logger(domain), SCIF_LOG_OBJECT_DOMAIN, "scif_domain_get_device_by_sas_address(0x%x, 0x%x) enter\n", domain, sas_address )); // Search the abstract list to see if there is a remote device with the // same SAS address. while (element != NULL) { fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) sci_abstract_list_get_object(element); scic_remote_device_get_sas_address( fw_device->core_object, &fw_device_address ); // Check to see if this is the device for which we are searching. if ( (fw_device_address.low == sas_address->low) && (fw_device_address.high == sas_address->high) ) { return fw_device; } element = sci_abstract_list_get_next(element); } return SCI_INVALID_HANDLE; } // --------------------------------------------------------------------------- #if !defined(DISABLE_SCI_ITERATORS) SCI_ITERATOR_HANDLE_T scif_domain_get_remote_device_iterator( SCI_DOMAIN_HANDLE_T domain, void * iterator_buffer ) { SCI_ITERATOR_HANDLE_T iterator = (SCI_ITERATOR_HANDLE_T *)iterator_buffer; sci_base_iterator_construct( iterator, &((SCIF_SAS_DOMAIN_T*) domain)->remote_device_list ); return iterator; } #endif // !defined(DISABLE_SCI_ITERATORS) // --------------------------------------------------------------------------- SCI_STATUS scif_domain_discover( SCI_DOMAIN_HANDLE_T domain, U32 discover_timeout, U32 device_timeout ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) domain; SCI_STATUS status = SCI_SUCCESS; SCI_STATUS op_status = SCI_SUCCESS; SCIF_LOG_TRACE(( sci_base_object_get_logger(domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scif_domain_discover(0x%x, 0x%x, 0x%x) enter\n", domain, discover_timeout, device_timeout )); // Check to make sure the size of the domain doesn't cause potential issues // with the remote device timer and the domain timer. if ((device_timeout * sci_abstract_list_size(&fw_domain->remote_device_list)) > discover_timeout) status = SCI_WARNING_TIMER_CONFLICT; op_status = fw_domain->state_handlers->discover_handler( &fw_domain->parent, discover_timeout, device_timeout ); // The status of the discover operation takes priority. if ( (status == SCI_SUCCESS) || (status != SCI_SUCCESS && op_status != SCI_SUCCESS) ) { status = op_status; } return status; } // --------------------------------------------------------------------------- U32 scif_domain_get_suggested_discover_timeout( SCI_DOMAIN_HANDLE_T domain ) { U32 suggested_timeout = SCIF_DOMAIN_DISCOVER_TIMEOUT; //milli-seconds return suggested_timeout; } // --------------------------------------------------------------------------- void scic_cb_port_stop_complete( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_STATUS completion_status ) { SCIF_LOG_TRACE(( sci_base_object_get_logger((SCIF_SAS_DOMAIN_T*)sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_stop_complete(0x%x, 0x%x, 0x%x) enter\n", controller, port, completion_status )); } // --------------------------------------------------------------------------- void scic_cb_port_ready( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_ready(0x%x, 0x%x) enter\n", controller, port )); // The controller supplied with the port should match the controller // saved in the domain. ASSERT(sci_object_get_association(controller) == fw_domain->controller); fw_domain->is_port_ready = TRUE; fw_domain->state_handlers->port_ready_handler(&fw_domain->parent); } // --------------------------------------------------------------------------- void scic_cb_port_not_ready( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, U32 reason_code ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_not_ready(0x%x, 0x%x) enter\n", controller, port )); // The controller supplied with the port should match the controller // saved in the domain. ASSERT(sci_object_get_association(controller) == fw_domain->controller); // There is no need to take action on the port reconfiguring since it is // just a change of the port width. if (reason_code != SCIC_PORT_NOT_READY_RECONFIGURING) { fw_domain->is_port_ready = FALSE; fw_domain->state_handlers->port_not_ready_handler( &fw_domain->parent, reason_code); } } // --------------------------------------------------------------------------- void scic_cb_port_hard_reset_complete( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_STATUS completion_status ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_SAS_REMOTE_DEVICE_T * fw_device; SCI_FAST_LIST_ELEMENT_T * element = fw_domain->request_list.list_head; SCIF_SAS_TASK_REQUEST_T * task_request = NULL; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_hard_reset_complete(0x%x, 0x%x, 0x%x) enter\n", controller, port, completion_status )); while (element != NULL) { task_request = (SCIF_SAS_TASK_REQUEST_T*) sci_fast_list_get_object(element); element = sci_fast_list_get_next(element); if (scif_sas_task_request_get_function(task_request) == SCI_SAS_HARD_RESET) { fw_device = task_request->parent.device; if (fw_device->domain == fw_domain) { scic_remote_device_reset_complete(fw_device->core_object); scif_cb_task_request_complete( sci_object_get_association(controller), fw_device, task_request, (SCI_TASK_STATUS) completion_status ); break; } } } } // --------------------------------------------------------------------------- void scic_cb_port_bc_change_primitive_recieved( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_SAS_CONTROLLER_T * fw_controller = (SCIF_SAS_CONTROLLER_T *) sci_object_get_association(controller); SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scic_cb_port_bc_change_primitive_recieved(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); if (fw_domain->broadcast_change_count == 0) { // Enable the BCN detection only if the bcn_count is zero. If bcn_count is // not zero at this time, we won't enable BCN detection since all non-zero // BCN_count means same to us. Furthermore, we avoid BCN storm by not // always enabling the BCN_detection. scic_port_enable_broadcast_change_notification(fw_domain->core_object); } fw_domain->broadcast_change_count++; //if there is smp device on this domain that is in the middle of discover //process or smp target reset, don't notify the driver layer. if( ! scif_sas_domain_is_in_smp_activity(fw_domain) ) // Notify the user that there is, potentially, a change to the domain. scif_cb_domain_change_notification(fw_controller, fw_domain); } // --------------------------------------------------------------------------- void scic_cb_port_bc_ses_primitive_recieved( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_bc_ses_primitive_received(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); } // --------------------------------------------------------------------------- void scic_cb_port_bc_expander_primitive_recieved( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_bc_expander_primitive_received(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); } // --------------------------------------------------------------------------- void scic_cb_port_bc_aen_primitive_recieved( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_bc_aen_primitive_received(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); } // --------------------------------------------------------------------------- void scic_cb_port_link_up( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_LOG_TRACE(( sci_base_object_get_logger(sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_link_up(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); scif_sas_domain_update_device_port_width(fw_domain, port); } // --------------------------------------------------------------------------- void scic_cb_port_link_down( SCI_CONTROLLER_HANDLE_T controller, SCI_PORT_HANDLE_T port, SCI_PHY_HANDLE_T phy ) { SCIF_SAS_DOMAIN_T * fw_domain = (SCIF_SAS_DOMAIN_T*) sci_object_get_association(port); SCIF_LOG_TRACE(( sci_base_object_get_logger(sci_object_get_association(port)), SCIF_LOG_OBJECT_DOMAIN, "scic_cb_port_link_down(0x%x, 0x%x, 0x%x) enter\n", controller, port, phy )); scif_sas_domain_update_device_port_width(fw_domain, port); } //****************************************************************************** //* P R O T E C T E D M E T H O D S //****************************************************************************** /** * @brief This method constructs the framework's SAS domain object. During * the construction process a linkage to the corresponding core port * object. * * @param[in] domain This parameter specifies the domain object to be * constructed. * @param[in] domain_id This parameter specifies the ID for the domain * object. * @param[in] fw_controller This parameter specifies the controller managing * the domain being constructed. * * @return none */ void scif_sas_domain_construct( SCIF_SAS_DOMAIN_T * fw_domain, U8 domain_id, SCIF_SAS_CONTROLLER_T * fw_controller ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_controller), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_INITIALIZATION, "scif_sas_domain_construct(0x%x, 0x%x, 0x%x) enter\n", fw_domain, domain_id, fw_controller )); sci_base_domain_construct( &fw_domain->parent, sci_base_object_get_logger(fw_controller), scif_sas_domain_state_table ); scif_sas_domain_initialize_state_logging(fw_domain); sci_abstract_list_construct( &fw_domain->remote_device_list, &fw_controller->free_remote_device_pool ); // Retrieve the core's port object that directly corresponds to this // domain. scic_controller_get_port_handle( fw_controller->core_object, domain_id, &fw_domain->core_object ); // Set the association in the core port to this framework domain object. sci_object_set_association( (SCI_OBJECT_HANDLE_T) fw_domain->core_object, fw_domain ); sci_fast_list_init(&fw_domain->request_list); fw_domain->operation.timer = NULL; fw_domain->is_port_ready = FALSE; fw_domain->device_start_count = 0; fw_domain->controller = fw_controller; fw_domain->operation.status = SCI_SUCCESS; fw_domain->is_config_route_table_needed = FALSE; } /** * @brief This method will terminate the requests outstanding in the core * based on the supplied criteria. * - if the all three parameters are specified then only the single * SCIF_SAS_REQUEST object is terminated. * - if only the SCIF_SAS_DOMAIN and SCIF_SAS_REMOTE_DEVICE are * specified, then all SCIF_SAS_REQUEST objects outstanding at * the device are terminated. The one exclusion to this rule is * that the fw_requestor is not terminated. * - if only the SCIF_SAS_DOMAIN object is specified, then all * SCIF_SAS_REQUEST objects outstanding in the domain are * terminated. * * @param[in] fw_domain This parameter specifies the domain in which to * terminate requests. * @param[in] fw_device This parameter specifies the remote device in * which to terminate requests. This parameter can be NULL * as long as the fw_request parameter is NULL. It is a * required parameter if the fw_request parameter is not NULL. * @param[in] fw_request This parameter specifies the request object to * be terminated. This parameter can be NULL. * @param[in] fw_requestor This parameter specifies the task management * request that is responsible for the termination of requests. * * @return none */ void scif_sas_domain_terminate_requests( SCIF_SAS_DOMAIN_T * fw_domain, SCIF_SAS_REMOTE_DEVICE_T * fw_device, SCIF_SAS_REQUEST_T * fw_request, SCIF_SAS_TASK_REQUEST_T * fw_requestor ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_TASK_MANAGEMENT, "scif_sas_domain_terminate_requests(0x%x, 0x%x, 0x%x, 0x%x) enter\n", fw_domain, fw_device, fw_request, fw_requestor )); if (fw_request != NULL) { fw_request->terminate_requestor = fw_requestor; fw_request->state_handlers->abort_handler(&fw_request->parent); } else { SCI_FAST_LIST_ELEMENT_T * element = fw_domain->request_list.list_head; SCIF_SAS_REQUEST_T * request = NULL; // Cycle through the fast list of IO requests. Terminate each // outstanding requests that matches the criteria supplied by the // caller. while (element != NULL) { request = (SCIF_SAS_REQUEST_T*) sci_fast_list_get_object(element); // The current element may be deleted from the list becasue of // IO completion so advance to the next element early element = sci_fast_list_get_next(element); // Ensure we pass the supplied criteria before terminating the // request. if ( (fw_device == NULL) || ( (request->device == fw_device) && (fw_requestor != (SCIF_SAS_TASK_REQUEST_T*) request) ) ) { if ( (request->is_waiting_for_abort_task_set == FALSE) || (request->terminate_requestor == NULL) ) { request->terminate_requestor = fw_requestor; request->state_handlers->abort_handler(&request->parent); } } } } } /** * @brief This method searches the domain object to find a * SCIF_SAS_REQUEST object associated with the supplied IO tag. * * @param[in] fw_domain This parameter specifies the domain in which to * to find the request object. * @param[in] io_tag This parameter specifies the IO tag value for which * to locate the corresponding request. * * @return This method returns a pointer to the SCIF_SAS_REQUEST object * associated with the supplied IO tag. * @retval NULL This value is returned if the IO tag does not resolve to * a request. */ SCIF_SAS_REQUEST_T * scif_sas_domain_get_request_by_io_tag( SCIF_SAS_DOMAIN_T * fw_domain, U16 io_tag ) { SCI_FAST_LIST_ELEMENT_T * element = fw_domain->request_list.list_head; SCIF_SAS_IO_REQUEST_T * io_request = NULL; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_TASK_MANAGEMENT, "scif_sas_domain_get_request_by_io_tag(0x%x, 0x%x) enter\n", fw_domain, io_tag )); while (element != NULL) { io_request = (SCIF_SAS_IO_REQUEST_T*) sci_fast_list_get_object(element); // Check to see if we located the request with an identical IO tag. if (scic_io_request_get_io_tag(io_request->parent.core_object) == io_tag) return &io_request->parent; element = sci_fast_list_get_next(element); } return NULL; } /** * @brief This method performs domain object initialization to be done * when the scif_controller_initialize() method is invoked. * This includes operation timeout creation. * * @param[in] fw_domain This parameter specifies the domain object for * which to perform initialization. * * @return none */ void scif_sas_domain_initialize( SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_INITIALIZATION, "scif_sas_domain_initialize(0x%x) enter\n", fw_domain )); // Create the timer for each domain. It is too early in the process // to allocate this during construction since the user didn't have // a chance to set it's association. if (fw_domain->operation.timer == 0) { fw_domain->operation.timer = scif_cb_timer_create( fw_domain->controller, scif_sas_domain_operation_timeout_handler, fw_domain ); } } /** * @brief This method performs domain object handling for core remote * device start complete notifications. Core remote device starts * and start completes are only done during discovery. This could * ultimately be wrapped into a handler method on the domain (they * actually already exist). This method will decrement the number * of device start operations ongoing and attempt to determine if * discovery is complete. * * @param[in] fw_domain This parameter specifies the domain object for * which to perform initialization. * * @return none */ void scif_sas_domain_remote_device_start_complete( SCIF_SAS_DOMAIN_T * fw_domain, SCIF_SAS_REMOTE_DEVICE_T * fw_device ) { SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scif_sas_domain_remote_device_start_complete(0x%x, 0x%x) enter\n", fw_domain, fw_device )); // If a device is being started/start completed, then we must be // during discovery. ASSERT(fw_domain->parent.state_machine.current_state_id == SCI_BASE_DOMAIN_STATE_DISCOVERING); scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols); // Decrement the number of devices being started and check to see // if all have finished being started or failed as the case may be. fw_domain->device_start_in_progress_count--; if ( dev_protocols.u.bits.attached_smp_target ) { if ( fw_device->containing_device == NULL ) //kick off the smp discover process if this expander is direct attached. scif_sas_smp_remote_device_start_discover(fw_device); else //mark this device, the discover process of this device will start after //its containing smp device finish discover. fw_device->protocol_device.smp_device.scheduled_activity = SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_DISCOVER; } else { fw_domain->state_handlers->device_start_complete_handler( &fw_domain->parent, &fw_device->parent ); } } /** * @brief This methods check each smp device in this domain. If there is at * least one smp device in discover or target reset activity, this * domain is considered in smp activity. Note this routine is not * called on fast IO path. * * @param[in] fw_domain The framework domain object * * @return BOOL value to indicate whether a domain is in SMP activity. */ BOOL scif_sas_domain_is_in_smp_activity( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_ABSTRACT_ELEMENT_T * current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); SCIF_SAS_REMOTE_DEVICE_T * current_device; while ( current_element != NULL ) { SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); scic_remote_device_get_protocols(current_device->core_object, &dev_protocols ); if (dev_protocols.u.bits.attached_smp_target && scif_sas_smp_remote_device_is_in_activity(current_device)) return TRUE; current_element = sci_abstract_list_get_next(current_element); } return FALSE; } /** * @brief This methods finds a expander attached device by searching the domain's * device list using connected expander device and expander phy id. * * @param[in] fw_domain The framework domain object * @param[in] parent_device The expander device the target device attaches to. * @param[in] expander_phy_id The expander phy id that the target device owns. * * @return found remote device or a NULL value if no device found. */ SCIF_SAS_REMOTE_DEVICE_T * scif_sas_domain_get_device_by_containing_device( SCIF_SAS_DOMAIN_T * fw_domain, SCIF_SAS_REMOTE_DEVICE_T * containing_device, U8 expander_phy_id ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device; SCI_ABSTRACT_ELEMENT_T * element = sci_abstract_list_get_front( &fw_domain->remote_device_list ); //parent device must not be NULL. ASSERT(containing_device != NULL); // Search the abstract list to see if there is a remote device meets the // search condition. while (element != NULL) { fw_device = (SCIF_SAS_REMOTE_DEVICE_T*) sci_abstract_list_get_object(element); // Check to see if this is the device for which we are searching. if ( (fw_device->containing_device == containing_device) && (fw_device->expander_phy_identifier == expander_phy_id) ) { return fw_device; } element = sci_abstract_list_get_next(element); } return SCI_INVALID_HANDLE; } /** * @brief This methods finds the first device that is in STOPPED state and its * connection_rate is still in SPINUP_HOLD(value 3). * * @param[in] fw_domain The framework domain object * * @return SCIF_SAS_REMOTE_DEVICE_T The device that is in SPINUP_HOLD or NULL. */ SCIF_SAS_REMOTE_DEVICE_T * scif_sas_domain_find_device_in_spinup_hold( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_ABSTRACT_ELEMENT_T * current_element; SCIF_SAS_REMOTE_DEVICE_T * current_device; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scif_sas_domain_find_device_in_spinup_hold(0x%x) enter\n", fw_domain )); //search throught domain's device list to find the first sata device on spinup_hold current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); while (current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); //We must get the next element before we remove the current //device. Or else, we will get wrong next_element, since the erased //element has been put into free pool. current_element = sci_abstract_list_get_next(current_element); if ( sci_base_state_machine_get_state(¤t_device->parent.state_machine) == SCI_BASE_REMOTE_DEVICE_STATE_STOPPED && scic_remote_device_get_connection_rate(current_device->core_object) == SCI_SATA_SPINUP_HOLD ) { return current_device; } } return NULL; } /** * @brief This methods finds the first device that has specific activity scheduled. * * @param[in] fw_domain The framework domain object * @param[in] smp_activity A specified smp activity. The valid range is [1,5]. * * @return SCIF_SAS_REMOTE_DEVICE_T The device that has specified smp activity scheduled. */ SCIF_SAS_REMOTE_DEVICE_T * scif_sas_domain_find_device_has_scheduled_activity( SCIF_SAS_DOMAIN_T * fw_domain, U8 smp_activity ) { SCI_ABSTRACT_ELEMENT_T * current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); SCIF_SAS_REMOTE_DEVICE_T * current_device; SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; //config route table activity has higher priority than discover activity. while ( current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); scic_remote_device_get_protocols(current_device->core_object, &dev_protocols); current_element = sci_abstract_list_get_next(current_element); if ( dev_protocols.u.bits.attached_smp_target && current_device->protocol_device.smp_device.scheduled_activity == smp_activity) { return current_device; } } return NULL; } /** * @brief This methods finds the smp device that has is_config_route_table_scheduled * flag set to TRUE, and start config route table on it. If there is no * smp device scheduled to config route table, find the smp device has * is_discover_scheduled and start the smp discover process on them. * * @param[in] fw_domain The framework domain that to start smp discover process. * * @return NONE */ void scif_sas_domain_start_smp_activity( SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_SAS_REMOTE_DEVICE_T * device_has_scheduled_activity = NULL; //first, find device that has config route table activity scheduled. //config route table activity has higher priority than Discover. device_has_scheduled_activity = scif_sas_domain_find_device_has_scheduled_activity( fw_domain, SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_CONFIG_ROUTE_TABLE ); if (device_has_scheduled_activity != NULL) { scif_sas_smp_remote_device_configure_route_table(device_has_scheduled_activity); device_has_scheduled_activity->protocol_device.smp_device.scheduled_activity = SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_NONE; return; } //if no device has config route table activity scheduled, search again, find //device has discover activity scheduled. device_has_scheduled_activity = scif_sas_domain_find_device_has_scheduled_activity( fw_domain, SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_DISCOVER ); if (device_has_scheduled_activity != NULL) scif_sas_smp_remote_device_start_discover(device_has_scheduled_activity); } /** * @brief This method starts domain's smp discover process from the top level expander. * * @param[in] fw_domain The framework domain that to start smp discover process. @ @param[in] top_expander The top level expander device to start smp discover process. * * @return None */ void scif_sas_domain_start_smp_discover( SCIF_SAS_DOMAIN_T * fw_domain, SCIF_SAS_REMOTE_DEVICE_T * top_expander ) { SCI_ABSTRACT_ELEMENT_T * current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); SCIF_SAS_REMOTE_DEVICE_T * current_device; // something changed behind expander // mark all the device behind expander to be NOT // is_currently_discovered. while ( current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); current_device->is_currently_discovered = FALSE; //reset all the devices' port witdh except the top expander. if (current_device->containing_device != NULL) current_device->device_port_width = 1; current_element = sci_abstract_list_get_next(current_element); } //expander device itself should be set to is_currently_discovered. top_expander->is_currently_discovered = TRUE; //kick off the smp discover process. scif_sas_smp_remote_device_start_discover(top_expander); } /** * @brief This method continues domain's smp discover process and * may transit to READY state if all smp activities are done. * * @param[in] fw_domain The framework domain that to start smp discover process. * * @return None */ void scif_sas_domain_continue_discover( SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scif_sas_domain_continue_discover(0x%x) enter\n", fw_domain )); if ( fw_domain->device_start_in_progress_count == 0 && !scif_sas_domain_is_in_smp_activity(fw_domain) ) { //domain scrub the remote device list to see if there is a need //to start smp discover on expander device. There may be no //need to start any smp discover. scif_sas_domain_start_smp_activity(fw_domain); //In domain discovery timeout case, we cancel all //the smp activities, and terminate all the smp requests, then //this routine is called. But the smp request may not done //terminated. We want to guard the domain trasitting to READY //by checking outstanding smp request count. If there is outstanding //smp request, the domain will not transit to READY. Later when //the smp request is terminated at smp remote device, this routine //will be called then the domain will transit to READY state. if ( ! scif_sas_domain_is_in_smp_activity(fw_domain) && scif_sas_domain_get_smp_request_count(fw_domain) == 0) { //before domain transit to READY state, domain has some clean up //work to do, such like update domain's remote devcie list. scif_sas_domain_finish_discover(fw_domain); } } } /** * @brief This method finishes domain's smp discover process and * update domain's remote device list. * * @param[in] fw_domain The framework domain that's to finish smp discover process. * * @return None */ void scif_sas_domain_finish_discover( SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_SAS_REMOTE_DEVICE_T * current_device = NULL; SCI_ABSTRACT_ELEMENT_T * current_element = NULL; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY, "scif_sas_domain_finish_discover(0x%x) enter\n", fw_domain )); //need to scrub all the devices behind the expander. Check each //device's discover_status. if the is_currently_discovered is FALSE, means //the device is not been rediscovered. this device needs to be removed. current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); while (current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); //We must get the next element before we remove the current //device. Or else, we will get wrong next_element, since the erased //element has been put into free pool. current_element = sci_abstract_list_get_next(current_element); if ( current_device->is_currently_discovered == FALSE ) { // Notify the framework user of the device removal. scif_cb_domain_device_removed( fw_domain->controller, fw_domain, current_device ); } } sci_base_state_machine_change_state( &fw_domain->parent.state_machine, SCI_BASE_DOMAIN_STATE_READY ); } /** * @brief This method remove an expander device and its child devices, in order to * deal with a detected illeagal phy connection. * * @param[in] fw_domain The domain that a expander belongs to. * @param[in] fw_device The expander device to be removed. * * @return none. */ void scif_sas_domain_remove_expander_device( SCIF_SAS_DOMAIN_T * fw_domain, SCIF_SAS_REMOTE_DEVICE_T * fw_device ) { SCIF_SAS_SMP_REMOTE_DEVICE_T * smp_remote_device = &fw_device->protocol_device.smp_device; SCI_FAST_LIST_ELEMENT_T * element = smp_remote_device->smp_phy_list.list_head; SCIF_SAS_SMP_PHY_T * curr_smp_phy = NULL; SCIF_SAS_REMOTE_DEVICE_T * current_device = NULL; while (element != NULL) { curr_smp_phy = (SCIF_SAS_SMP_PHY_T*) sci_fast_list_get_object(element); element = sci_fast_list_get_next(element); if ( curr_smp_phy->attached_device_type != SMP_NO_DEVICE_ATTACHED && curr_smp_phy->u.end_device != NULL ) { if (curr_smp_phy->attached_device_type == SMP_END_DEVICE_ONLY) current_device = curr_smp_phy->u.end_device; else current_device = curr_smp_phy->u.attached_phy->owning_device; scif_cb_domain_device_removed(fw_domain->controller, fw_domain, current_device); } } //remove device itself scif_cb_domain_device_removed(fw_domain->controller, fw_domain, fw_device); } /** * @brief This method searches the whole domain and finds all the smp devices to * cancel their smp activities if there is any. * * @param[in] fw_domain The domain that its smp activities are to be canceled. * * @return none. */ void scif_sas_domain_cancel_smp_activities( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_ABSTRACT_ELEMENT_T * current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); SCIF_SAS_REMOTE_DEVICE_T * current_device; //purge all the outstanding internal IOs in HPQ. scif_sas_high_priority_request_queue_purge_domain( &fw_domain->controller->hprq, fw_domain ); while ( current_element != NULL ) { SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); scic_remote_device_get_protocols(current_device->core_object, &dev_protocols ); if (dev_protocols.u.bits.attached_smp_target) { scif_sas_smp_remote_device_cancel_smp_activity(current_device); } current_element = sci_abstract_list_get_next(current_element); } } /** * @brief This method searches the domain's request list and counts outstanding * smp IOs. * * @param[in] fw_domain The domain that its request list is to be searched. * * @return U8 The possible return value of this routine is 0 or 1. */ U8 scif_sas_domain_get_smp_request_count( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_FAST_LIST_ELEMENT_T * element = fw_domain->request_list.list_head; SCIF_SAS_REQUEST_T * request = NULL; U8 count = 0; SCIC_TRANSPORT_PROTOCOL protocol; // Cycle through the fast list of IO requests. Terminate each // outstanding requests that matches the criteria supplied by the // caller. while (element != NULL) { request = (SCIF_SAS_REQUEST_T*) sci_fast_list_get_object(element); // The current element may be deleted from the list becasue of // IO completion so advance to the next element early element = sci_fast_list_get_next(element); protocol = scic_io_request_get_protocol(request->core_object); if ( protocol == SCIC_SMP_PROTOCOL) count++; } return count; } /** * @brief This method start clear affiliation activities for smp devices in * this domain. * * @param[in] fw_domain The domain that its smp devices are scheduled to clear * affiliation for all the EA SATA devices. * * @return none. */ void scif_sas_domain_start_clear_affiliation( SCIF_SAS_DOMAIN_T * fw_domain ) { scif_sas_domain_schedule_clear_affiliation(fw_domain); scif_sas_domain_continue_clear_affiliation(fw_domain); } /** * @brief This method schedule clear affiliation activities for smp devices in * this domain. * * @param[in] fw_domain The domain that its smp devices are scheduled to clear * affiliation for all the EA SATA devices. * * @return none. */ void scif_sas_domain_schedule_clear_affiliation( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_ABSTRACT_ELEMENT_T * current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); SCIF_SAS_REMOTE_DEVICE_T * current_device; SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; //config route table activity has higher priority than discover activity. while ( current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); scic_remote_device_get_protocols(current_device->core_object, &dev_protocols); current_element = sci_abstract_list_get_next(current_element); if ( dev_protocols.u.bits.attached_smp_target ) { current_device->protocol_device.smp_device.scheduled_activity = SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_CLEAR_AFFILIATION; } } } /** * @brief This method carries clear affiliation activities for a smp devices in * this domain during controller stop process. * * @param[in] fw_domain The domain that its smp devices are to clear * affiliation for all the EA SATA devices. * * @return none. */ void scif_sas_domain_continue_clear_affiliation( SCIF_SAS_DOMAIN_T * fw_domain ) { SCIF_SAS_REMOTE_DEVICE_T * smp_device = scif_sas_domain_find_device_has_scheduled_activity( fw_domain, SCIF_SAS_SMP_REMOTE_DEVICE_ACTIVITY_CLEAR_AFFILIATION ); if (smp_device != NULL) scif_sas_smp_remote_device_start_clear_affiliation(smp_device); else { //This domain has done clear affiliation. SCIF_SAS_CONTROLLER_T * fw_controller = fw_domain->controller; fw_controller->current_domain_to_clear_affiliation++; //let controller continue to clear affiliation on other domains. scif_sas_controller_clear_affiliation(fw_domain->controller); } } /** * @brief This method releases resource for a framework domain. * * @param[in] fw_controller This parameter specifies the framework * controller, its associated domain's resources are to be released. * @param[in] fw_domain This parameter specifies the framework * domain whose resources are to be released. */ void scif_sas_domain_release_resource( SCIF_SAS_CONTROLLER_T * fw_controller, SCIF_SAS_DOMAIN_T * fw_domain ) { if (fw_domain->operation.timer != NULL) { scif_cb_timer_destroy(fw_controller, fw_domain->operation.timer); fw_domain->operation.timer = NULL; } } /** * @brief This method finds the a EA device that has target reset scheduled. * * @param[in] fw_domain The framework domain object * * @return SCIF_SAS_REMOTE_DEVICE_T The EA device that has target reset scheduled. */ SCIF_SAS_REMOTE_DEVICE_T * scif_sas_domain_find_next_ea_target_reset( SCIF_SAS_DOMAIN_T * fw_domain ) { SCI_ABSTRACT_ELEMENT_T * current_element; SCIF_SAS_REMOTE_DEVICE_T * current_device; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scif_sas_domain_find_next_ea_target_reset(0x%x) enter\n", fw_domain )); //search throught domain's device list to find the first sata device on spinup_hold current_element = sci_abstract_list_get_front(&fw_domain->remote_device_list); while (current_element != NULL ) { current_device = (SCIF_SAS_REMOTE_DEVICE_T *) sci_abstract_list_get_object(current_element); current_element = sci_abstract_list_get_next(current_element); if ( current_device->ea_target_reset_request_scheduled != NULL ) { return current_device; } } return NULL; } #if !defined(DISABLE_WIDE_PORTED_TARGETS) /** * @brief This method update the direct attached device port width. * * @param[in] fw_domain The framework domain object * @param[in] port The associated port object which recently has link up/down * event happened. * * @return none */ void scif_sas_domain_update_device_port_width( SCIF_SAS_DOMAIN_T * fw_domain, SCI_PORT_HANDLE_T port ) { SCIF_SAS_REMOTE_DEVICE_T * fw_device; SCIC_PORT_PROPERTIES_T properties; U8 new_port_width = 0; SCIF_LOG_TRACE(( sci_base_object_get_logger(fw_domain), SCIF_LOG_OBJECT_DOMAIN, "scif_sas_domain_update_device_port_width(0x%x, 0x%x) enter\n", fw_domain, port )); scic_port_get_properties(port, &properties); fw_device = (SCIF_SAS_REMOTE_DEVICE_T *) scif_domain_get_device_by_sas_address( fw_domain, &properties.remote.sas_address ); // If the device already existed in the domain, it is a wide port SSP target, // we need to update its port width. if (fw_device != SCI_INVALID_HANDLE) { SMP_DISCOVER_RESPONSE_PROTOCOLS_T dev_protocols; scic_remote_device_get_protocols(fw_device->core_object, &dev_protocols); if (dev_protocols.u.bits.attached_ssp_target) { //Get accurate port width from port's phy mask for a DA device. SCI_GET_BITS_SET_COUNT(properties.phy_mask, new_port_width); scif_sas_remote_device_update_port_width(fw_device, new_port_width); } } } #endif //#if !defined(DISABLE_WIDE_PORTED_TARGETS) #ifdef SCI_LOGGING /** * This method will turn on logging of domain state changes. * * @param[in] fw_domain The domain for which the state logging is to be turned * on. */ void scif_sas_domain_initialize_state_logging( SCIF_SAS_DOMAIN_T *fw_domain ) { sci_base_state_machine_logger_initialize( &fw_domain->parent.state_machine_logger, &fw_domain->parent.state_machine, &fw_domain->parent.parent, scif_cb_logger_log_states, "SCIF_SAS_DOMAIN_T", "base state machine", SCIF_LOG_OBJECT_DOMAIN ); } /** * This method will turn off logging of domain state changes. * * @param[in] fw_domain The domain for which the state logging is to be turned * off. */ void scif_sas_domain_deinitialize_state_logging( SCIF_SAS_DOMAIN_T *fw_domain ) { sci_base_state_machine_logger_deinitialize( &fw_domain->parent.state_machine_logger, &fw_domain->parent.state_machine ); } #endif