diff options
Diffstat (limited to 'drivers/scsi/isci/core/scic_sds_smp_request.c')
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_smp_request.c | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/drivers/scsi/isci/core/scic_sds_smp_request.c b/drivers/scsi/isci/core/scic_sds_smp_request.c new file mode 100644 index 000000000000..949d23e7452a --- /dev/null +++ b/drivers/scsi/isci/core/scic_sds_smp_request.c @@ -0,0 +1,669 @@ +/* + * 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. + * * Neither the name of Intel Corporation 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 + * 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 "intel_sas.h" +#include "sci_base_state_machine.h" +#include "scic_controller.h" +#include "scic_remote_device.h" +#include "scic_sds_controller.h" +#include "scic_sds_remote_device.h" +#include "scic_sds_request.h" +#include "scic_sds_smp_request.h" +#include "sci_environment.h" +#include "sci_util.h" +#include "scu_completion_codes.h" +#include "scu_task_context.h" + +static void scu_smp_request_construct_task_context( + struct scic_sds_request *this_request, + struct smp_request *smp_request); + +/** + * + * + * This method return the memory space required for STP PIO requests. u32 + */ +u32 scic_sds_smp_request_get_object_size(void) +{ + return sizeof(struct scic_sds_request) + + sizeof(struct smp_request) + + sizeof(struct smp_response) + + sizeof(struct scu_task_context); +} + +/** + * scic_sds_smp_request_get_command_buffer() - + * + * This macro returns the address of the smp command buffer in the smp request + * memory. No need to cast to SMP request type. + */ +#define scic_sds_smp_request_get_command_buffer(memory) \ + (((char *)(memory)) + sizeof(struct scic_sds_request)) + +/** + * scic_sds_smp_request_get_response_buffer() - + * + * This macro returns the address of the smp response buffer in the smp request + * memory. + */ +#define scic_sds_smp_request_get_response_buffer(memory) \ + (((char *)(scic_sds_smp_request_get_command_buffer(memory))) \ + + sizeof(struct smp_request)) + +/** + * scic_sds_smp_request_get_task_context_buffer() - + * + * This macro returs the task context buffer for the SMP request. + */ +#define scic_sds_smp_request_get_task_context_buffer(memory) \ + ((struct scu_task_context *)(\ + ((char *)(scic_sds_smp_request_get_response_buffer(memory))) \ + + sizeof(struct smp_response) \ + )) + + + +/** + * This method build the remainder of the IO request object. + * @this_request: This parameter specifies the request object being constructed. + * + * The scic_sds_general_request_construct() must be called before this call is + * valid. none + */ + +void scic_sds_smp_request_assign_buffers( + struct scic_sds_request *this_request) +{ + /* Assign all of the buffer pointers */ + this_request->command_buffer = + scic_sds_smp_request_get_command_buffer(this_request); + this_request->response_buffer = + scic_sds_smp_request_get_response_buffer(this_request); + this_request->sgl_element_pair_buffer = NULL; + + if (this_request->was_tag_assigned_by_user == false) { + this_request->task_context_buffer = + scic_sds_smp_request_get_task_context_buffer(this_request); + this_request->task_context_buffer = + scic_sds_request_align_task_context_buffer(this_request->task_context_buffer); + } + +} +/** + * This method is called by the SCI user to build an SMP IO request. + * + * - The user must have previously called scic_io_request_construct() on the + * supplied IO request. Indicate if the controller successfully built the IO + * request. SCI_SUCCESS This value is returned if the IO request was + * successfully built. SCI_FAILURE_UNSUPPORTED_PROTOCOL This value is returned + * if the remote_device does not support the SMP protocol. + * SCI_FAILURE_INVALID_ASSOCIATION This value is returned if the user did not + * properly set the association between the SCIC IO request and the user's IO + * request. Please refer to the sci_object_set_association() routine for more + * information. + */ +enum sci_status scic_io_request_construct_smp( + struct scic_sds_request *sci_req) +{ + struct smp_request *smp_req = kmalloc(sizeof(*smp_req), GFP_KERNEL); + + if (!smp_req) + return SCI_FAILURE_INSUFFICIENT_RESOURCES; + + sci_req->protocol = SCIC_SMP_PROTOCOL; + sci_req->has_started_substate_machine = true; + + /* Construct the started sub-state machine. */ + sci_base_state_machine_construct( + &sci_req->started_substate_machine, + &sci_req->parent.parent, + scic_sds_smp_request_started_substate_table, + SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE + ); + + /* Construct the SMP SCU Task Context */ + memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req)); + + /* + * Look at the SMP requests' header fields; for certain SAS 1.x SMP + * functions under SAS 2.0, a zero request length really indicates + * a non-zero default length. */ + if (smp_req->header.request_length == 0) { + switch (smp_req->header.function) { + case SMP_FUNCTION_DISCOVER: + case SMP_FUNCTION_REPORT_PHY_ERROR_LOG: + case SMP_FUNCTION_REPORT_PHY_SATA: + case SMP_FUNCTION_REPORT_ROUTE_INFORMATION: + smp_req->header.request_length = 2; + break; + case SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION: + case SMP_FUNCTION_PHY_CONTROL: + case SMP_FUNCTION_PHY_TEST: + smp_req->header.request_length = 9; + break; + /* Default - zero is a valid default for 2.0. */ + } + } + + scu_smp_request_construct_task_context(sci_req, smp_req); + + sci_base_state_machine_change_state( + &sci_req->parent.state_machine, + SCI_BASE_REQUEST_STATE_CONSTRUCTED + ); + + kfree(smp_req); + + return SCI_SUCCESS; +} + +/** + * This method is called by the SCI user to build an SMP pass-through IO + * request. + * @scic_smp_request: This parameter specifies the handle to the io request + * object to be built. + * @passthru_cb: This parameter specifies the pointer to the callback structure + * that contains the function pointers + * + * - The user must have previously called scic_io_request_construct() on the + * supplied IO request. Indicate if the controller successfully built the IO + * request. + */ + +/** + * This method will fill in the SCU Task Context for a SMP request. The + * following important settings are utilized: -# task_type == + * SCU_TASK_TYPE_SMP. This simply indicates that a normal request type + * (i.e. non-raw frame) is being utilized to perform task management. -# + * control_frame == 1. This ensures that the proper endianess is set so + * that the bytes are transmitted in the right order for a smp request frame. + * @this_request: This parameter specifies the smp request object being + * constructed. + * + */ +static void scu_smp_request_construct_task_context( + struct scic_sds_request *this_request, + struct smp_request *smp_request) +{ + dma_addr_t physical_address; + struct scic_sds_controller *owning_controller; + struct scic_sds_remote_device *target_device; + struct scic_sds_port *target_port; + struct scu_task_context *task_context; + + /* byte swap the smp request. */ + scic_word_copy_with_swap( + this_request->command_buffer, + (u32 *)smp_request, + sizeof(struct smp_request) / sizeof(u32) + ); + + task_context = scic_sds_request_get_task_context(this_request); + + owning_controller = scic_sds_request_get_controller(this_request); + target_device = scic_sds_request_get_device(this_request); + target_port = scic_sds_request_get_port(this_request); + + /* + * Fill in the TC with the its required data + * 00h */ + task_context->priority = 0; + task_context->initiator_request = 1; + task_context->connection_rate = + scic_remote_device_get_connection_rate(target_device); + task_context->protocol_engine_index = + scic_sds_controller_get_protocol_engine_group(owning_controller); + task_context->logical_port_index = + scic_sds_port_get_index(target_port); + task_context->protocol_type = SCU_TASK_CONTEXT_PROTOCOL_SMP; + task_context->abort = 0; + task_context->valid = SCU_TASK_CONTEXT_VALID; + task_context->context_type = SCU_TASK_CONTEXT_TYPE; + + /* 04h */ + task_context->remote_node_index = this_request->target_device->rnc->remote_node_index; + task_context->command_code = 0; + task_context->task_type = SCU_TASK_TYPE_SMP_REQUEST; + + /* 08h */ + task_context->link_layer_control = 0; + task_context->do_not_dma_ssp_good_response = 1; + task_context->strict_ordering = 0; + task_context->control_frame = 1; + task_context->timeout_enable = 0; + task_context->block_guard_enable = 0; + + /* 0ch */ + task_context->address_modifier = 0; + + /* 10h */ + task_context->ssp_command_iu_length = smp_request->header.request_length; + + /* 14h */ + task_context->transfer_length_bytes = 0; + + /* + * 18h ~ 30h, protocol specific + * since commandIU has been build by framework at this point, we just + * copy the frist DWord from command IU to this location. */ + memcpy((void *)(&task_context->type.smp), this_request->command_buffer, sizeof(u32)); + + /* + * 40h + * "For SMP you could program it to zero. We would prefer that way so that + * done code will be consistent." - Venki */ + task_context->task_phase = 0; + + if (this_request->was_tag_assigned_by_user) { + /* Build the task context now since we have already read the data */ + this_request->post_context = ( + SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC + | ( + scic_sds_controller_get_protocol_engine_group(owning_controller) + << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT + ) + | ( + scic_sds_port_get_index(target_port) + << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT + ) + | scic_sds_io_tag_get_index(this_request->io_tag) + ); + } else { + /* Build the task context now since we have already read the data */ + this_request->post_context = ( + SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC + | ( + scic_sds_controller_get_protocol_engine_group(owning_controller) + << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT + ) + | ( + scic_sds_port_get_index(target_port) + << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT + ) + /* This is not assigned because we have to wait until we get a TCi */ + ); + } + + /* + * Copy the physical address for the command buffer to the SCU Task Context + * command buffer should not contain command header. */ + scic_cb_io_request_get_physical_address( + scic_sds_request_get_controller(this_request), + this_request, + ((char *)(this_request->command_buffer) + sizeof(u32)), + &physical_address + ); + + task_context->command_iu_upper = + upper_32_bits(physical_address); + task_context->command_iu_lower = + lower_32_bits(physical_address); + + + /* SMP response comes as UF, so no need to set response IU address. */ + task_context->response_iu_upper = 0; + task_context->response_iu_lower = 0; +} + +/** + * This method processes an unsolicited frame while the SMP request is waiting + * for a response frame. It will copy the response data, release the + * unsolicited frame, and transition the request to the + * SCI_BASE_REQUEST_STATE_COMPLETED state. + * @this_request: This parameter specifies the request for which the + * unsolicited frame was received. + * @frame_index: This parameter indicates the unsolicited frame index that + * should contain the response. + * + * This method returns an indication of whether the response frame was handled + * successfully or not. SCI_SUCCESS Currently this value is always returned and + * indicates successful processing of the TC response. + */ +static enum sci_status scic_sds_smp_request_await_response_frame_handler( + struct scic_sds_request *this_request, + u32 frame_index) +{ + enum sci_status status; + void *frame_header; + struct smp_response_header *this_frame_header; + u8 *user_smp_buffer = this_request->response_buffer; + + status = scic_sds_unsolicited_frame_control_get_header( + &(scic_sds_request_get_controller(this_request)->uf_control), + frame_index, + &frame_header + ); + + /* byte swap the header. */ + scic_word_copy_with_swap( + (u32 *)user_smp_buffer, + frame_header, + sizeof(struct smp_response_header) / sizeof(u32) + ); + this_frame_header = (struct smp_response_header *)user_smp_buffer; + + if (this_frame_header->smp_frame_type == SMP_FRAME_TYPE_RESPONSE) { + void *smp_response_buffer; + + status = scic_sds_unsolicited_frame_control_get_buffer( + &(scic_sds_request_get_controller(this_request)->uf_control), + frame_index, + &smp_response_buffer + ); + + scic_word_copy_with_swap( + (u32 *)(user_smp_buffer + sizeof(struct smp_response_header)), + smp_response_buffer, + sizeof(union smp_response_body) / sizeof(u32) + ); + if (this_frame_header->function == SMP_FUNCTION_DISCOVER) { + struct smp_response *this_smp_response; + + this_smp_response = (struct smp_response *)user_smp_buffer; + + /* + * Some expanders only report an attached SATA device, and + * not an STP target. Since the core depends on the STP + * target attribute to correctly build I/O, set the bit now + * if necessary. */ + if (this_smp_response->response.discover.protocols.u.bits.attached_sata_device + && !this_smp_response->response.discover.protocols.u.bits.attached_stp_target) { + this_smp_response->response.discover.protocols.u.bits.attached_stp_target = 1; + + dev_dbg(scic_to_dev(this_request->owning_controller), + "%s: scic_sds_smp_request_await_response_frame_handler(0x%p) Found SATA dev, setting STP bit.\n", + __func__, this_request); + } + } + + /* + * Don't need to copy to user space. User instead will refer to + * core request's response buffer. */ + + /* + * copy the smp response to framework smp request's response buffer. + * scic_sds_smp_request_copy_response(this_request); */ + + scic_sds_request_set_status( + this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS + ); + + sci_base_state_machine_change_state( + &this_request->started_substate_machine, + SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION + ); + } else { + /* This was not a response frame why did it get forwarded? */ + dev_err(scic_to_dev(this_request->owning_controller), + "%s: SCIC SMP Request 0x%p received unexpected frame " + "%d type 0x%02x\n", + __func__, + this_request, + frame_index, + this_frame_header->smp_frame_type); + + scic_sds_request_set_status( + this_request, + SCU_TASK_DONE_SMP_FRM_TYPE_ERR, + SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + } + + scic_sds_controller_release_frame( + this_request->owning_controller, frame_index + ); + + return SCI_SUCCESS; +} + + +/** + * This method processes an abnormal TC completion while the SMP request is + * waiting for a response frame. It decides what happened to the IO based + * on TC completion status. + * @this_request: This parameter specifies the request for which the TC + * completion was received. + * @completion_code: This parameter indicates the completion status information + * for the TC. + * + * Indicate if the tc completion handler was successful. SCI_SUCCESS currently + * this method always returns success. + */ +static enum sci_status scic_sds_smp_request_await_response_tc_completion_handler( + struct scic_sds_request *this_request, + u32 completion_code) +{ + switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): + /* + * In the AWAIT RESPONSE state, any TC completion is unexpected. + * but if the TC has success status, we complete the IO anyway. */ + scic_sds_request_set_status( + this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + break; + + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_RESP_TO_ERR): + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_UFI_ERR): + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_FRM_TYPE_ERR): + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_LL_RX_ERR): + /* + * These status has been seen in a specific LSI expander, which sometimes + * is not able to send smp response within 2 ms. This causes our hardware + * break the connection and set TC completion with one of these SMP_XXX_XX_ERR + * status. For these type of error, we ask scic user to retry the request. */ + scic_sds_request_set_status( + this_request, SCU_TASK_DONE_SMP_RESP_TO_ERR, SCI_FAILURE_RETRY_REQUIRED + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + break; + + default: + /* + * All other completion status cause the IO to be complete. If a NAK + * was received, then it is up to the user to retry the request. */ + scic_sds_request_set_status( + this_request, + SCU_NORMALIZE_COMPLETION_STATUS(completion_code), + SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + break; + } + + return SCI_SUCCESS; +} + + +/** + * This method processes the completions transport layer (TL) status to + * determine if the SMP request was sent successfully. If the SMP request + * was sent successfully, then the state for the SMP request transits to + * waiting for a response frame. + * @this_request: This parameter specifies the request for which the TC + * completion was received. + * @completion_code: This parameter indicates the completion status information + * for the TC. + * + * Indicate if the tc completion handler was successful. SCI_SUCCESS currently + * this method always returns success. + */ +static enum sci_status scic_sds_smp_request_await_tc_completion_tc_completion_handler( + struct scic_sds_request *this_request, + u32 completion_code) +{ + switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { + case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): + scic_sds_request_set_status( + this_request, SCU_TASK_DONE_GOOD, SCI_SUCCESS + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + break; + + default: + /* + * All other completion status cause the IO to be complete. If a NAK + * was received, then it is up to the user to retry the request. */ + scic_sds_request_set_status( + this_request, + SCU_NORMALIZE_COMPLETION_STATUS(completion_code), + SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR + ); + + sci_base_state_machine_change_state( + &this_request->parent.state_machine, + SCI_BASE_REQUEST_STATE_COMPLETED + ); + break; + } + + return SCI_SUCCESS; +} + + +const struct scic_sds_io_request_state_handler scic_sds_smp_request_started_substate_handler_table[] = { + [SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = { + .parent.start_handler = scic_sds_request_default_start_handler, + .parent.abort_handler = scic_sds_request_started_state_abort_handler, + .parent.complete_handler = scic_sds_request_default_complete_handler, + .parent.destruct_handler = scic_sds_request_default_destruct_handler, + .tc_completion_handler = scic_sds_smp_request_await_response_tc_completion_handler, + .event_handler = scic_sds_request_default_event_handler, + .frame_handler = scic_sds_smp_request_await_response_frame_handler, + }, + [SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION] = { + .parent.start_handler = scic_sds_request_default_start_handler, + .parent.abort_handler = scic_sds_request_started_state_abort_handler, + .parent.complete_handler = scic_sds_request_default_complete_handler, + .parent.destruct_handler = scic_sds_request_default_destruct_handler, + .tc_completion_handler = scic_sds_smp_request_await_tc_completion_tc_completion_handler, + .event_handler = scic_sds_request_default_event_handler, + .frame_handler = scic_sds_request_default_frame_handler, + } +}; + +/** + * This method performs the actions required when entering the + * SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_RESPONSE sub-state. This + * includes setting the IO request state handlers for this sub-state. + * @object: This parameter specifies the request object for which the sub-state + * change is occuring. + * + * none. + */ +static void scic_sds_smp_request_started_await_response_substate_enter( + struct sci_base_object *object) +{ + struct scic_sds_request *this_request = (struct scic_sds_request *)object; + + SET_STATE_HANDLER( + this_request, + scic_sds_smp_request_started_substate_handler_table, + SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE + ); +} + +/** + * This method performs the actions required when entering the + * SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION sub-state. + * This includes setting the SMP request state handlers for this sub-state. + * @object: This parameter specifies the request object for which the sub-state + * change is occuring. + * + * none. + */ +static void scic_sds_smp_request_started_await_tc_completion_substate_enter( + struct sci_base_object *object) +{ + struct scic_sds_request *this_request = (struct scic_sds_request *)object; + + SET_STATE_HANDLER( + this_request, + scic_sds_smp_request_started_substate_handler_table, + SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION + ); +} + +const struct sci_base_state scic_sds_smp_request_started_substate_table[] = { + [SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE] = { + .enter_state = scic_sds_smp_request_started_await_response_substate_enter, + }, + [SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION] = { + .enter_state = scic_sds_smp_request_started_await_tc_completion_substate_enter, + }, +}; + |