isci: unify remote_device start_io_handlers
Implement all states in scic_sds_remote_device_start_io() and delete the state handler. Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
parent
8151518265
commit
1860655706
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@ -305,22 +305,132 @@ enum sci_status scic_sds_remote_device_event_handler(
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return sci_dev->state_handlers->event_handler(sci_dev, event_code);
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}
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/**
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*
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* @controller: The controller that is starting the io request.
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* @sci_dev: The remote device for which the start io handling is being
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* requested.
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* @io_request: The io request that is being started.
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*
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* This method invokes the remote device start io handler. enum sci_status
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*/
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enum sci_status scic_sds_remote_device_start_io(
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struct scic_sds_controller *controller,
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *io_request)
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static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *sci_req,
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enum sci_status status)
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{
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return sci_dev->state_handlers->start_io_handler(
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sci_dev, io_request);
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struct scic_sds_port *sci_port = sci_dev->owning_port;
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/* cleanup requests that failed after starting on the port */
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if (status != SCI_SUCCESS)
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scic_sds_port_complete_io(sci_port, sci_dev, sci_req);
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else
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scic_sds_remote_device_increment_request_count(sci_dev);
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}
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enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic,
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *sci_req)
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{
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struct sci_base_state_machine *sm = &sci_dev->state_machine;
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enum scic_sds_remote_device_states state = sm->current_state_id;
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struct scic_sds_port *sci_port = sci_dev->owning_port;
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enum sci_status status;
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switch (state) {
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case SCI_BASE_REMOTE_DEVICE_STATE_INITIAL:
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case SCI_BASE_REMOTE_DEVICE_STATE_STOPPED:
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case SCI_BASE_REMOTE_DEVICE_STATE_STARTING:
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case SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR:
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case SCI_BASE_REMOTE_DEVICE_STATE_STOPPING:
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case SCI_BASE_REMOTE_DEVICE_STATE_FAILED:
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case SCI_BASE_REMOTE_DEVICE_STATE_RESETTING:
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case SCI_BASE_REMOTE_DEVICE_STATE_FINAL:
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default:
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dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n",
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__func__, state);
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return SCI_FAILURE_INVALID_STATE;
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case SCI_BASE_REMOTE_DEVICE_STATE_READY:
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/* attempt to start an io request for this device object. The remote
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* device object will issue the start request for the io and if
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* successful it will start the request for the port object then
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* increment its own request count.
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*/
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status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
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if (status != SCI_SUCCESS)
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break;
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status = scic_sds_request_start(sci_req);
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break;
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case SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE: {
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/* handle the start io operation for a sata device that is in
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* the command idle state. - Evalute the type of IO request to
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* be started - If its an NCQ request change to NCQ substate -
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* If its any other command change to the CMD substate
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*
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* If this is a softreset we may want to have a different
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* substate.
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*/
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enum scic_sds_remote_device_states new_state;
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status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
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if (status != SCI_SUCCESS)
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break;
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status = sci_req->state_handlers->start_handler(sci_req);
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if (status != SCI_SUCCESS)
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break;
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if (isci_sata_get_sat_protocol(sci_req->ireq) == SAT_PROTOCOL_FPDMA)
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new_state = SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ;
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else {
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sci_dev->working_request = sci_req;
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new_state = SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD;
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}
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sci_base_state_machine_change_state(sm, new_state);
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break;
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}
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case SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ:
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if (isci_sata_get_sat_protocol(sci_req->ireq) == SAT_PROTOCOL_FPDMA) {
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status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
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if (status != SCI_SUCCESS)
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break;
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status = sci_req->state_handlers->start_handler(sci_req);
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} else
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return SCI_FAILURE_INVALID_STATE;
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break;
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case SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET:
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return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
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case SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE:
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status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
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if (status != SCI_SUCCESS)
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break;
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status = scic_sds_request_start(sci_req);
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if (status != SCI_SUCCESS)
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break;
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sci_dev->working_request = sci_req;
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sci_base_state_machine_change_state(&sci_dev->state_machine,
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SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
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break;
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case SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD:
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case SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD:
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/* device is already handling a command it can not accept new commands
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* until this one is complete.
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*/
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return SCI_FAILURE_INVALID_STATE;
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}
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scic_sds_remote_device_start_request(sci_dev, sci_req, status);
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return status;
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}
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/**
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@ -409,32 +519,6 @@ static void remote_device_resume_done(void *_dev)
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}
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}
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/**
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*
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* @device: This parameter specifies the device for which the request is being
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* started.
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* @request: This parameter specifies the request being started.
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* @status: This parameter specifies the current start operation status.
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*
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* This method will perform the STP request start processing common to IO
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* requests and task requests of all types. none
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*/
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static void scic_sds_remote_device_start_request(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *sci_req,
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enum sci_status status)
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{
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/* We still have a fault in starting the io complete it on the port */
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if (status == SCI_SUCCESS)
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scic_sds_remote_device_increment_request_count(sci_dev);
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else{
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sci_dev->owning_port->state_handlers->complete_io_handler(
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sci_dev->owning_port, sci_dev, sci_req
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);
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}
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}
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/**
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*
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* @request: This parameter specifies the request being continued.
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@ -699,35 +783,6 @@ static enum sci_status scic_sds_remote_device_ready_state_start_task_handler(
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return result;
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}
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/*
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* This method will attempt to start an io request for this device object. The
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* remote device object will issue the start request for the io and if
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* successful it will start the request for the port object then increment its
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* own requet count. enum sci_status SCI_SUCCESS if the io request is started for
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* this device object. SCI_FAILURE_INSUFFICIENT_RESOURCES if the io request
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* object could not get the resources to start.
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*/
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static enum sci_status scic_sds_remote_device_ready_state_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *request)
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{
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enum sci_status result;
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/* See if the port is in a state where we can start the IO request */
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result = scic_sds_port_start_io(
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scic_sds_remote_device_get_port(sci_dev), sci_dev, request);
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if (result == SCI_SUCCESS) {
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result = scic_sds_remote_node_context_start_io(&sci_dev->rnc, request);
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if (result == SCI_SUCCESS)
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result = scic_sds_request_start(request);
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scic_sds_remote_device_start_request(sci_dev, request, result);
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}
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return result;
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}
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/*
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* This method will complete the request for the remote device object. The
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* method will call the completion handler for the request object and if
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@ -920,48 +975,6 @@ out:
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return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS;
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}
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/* handle the start io operation for a sata device that is in the command idle
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* state. - Evalute the type of IO request to be started - If its an NCQ
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* request change to NCQ substate - If its any other command change to the CMD
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* substate
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*
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* If this is a softreset we may want to have a different substate.
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*/
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static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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struct isci_request *isci_request = request->ireq;
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enum scic_sds_remote_device_states new_state;
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/* Will the port allow the io request to start? */
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status = sci_dev->owning_port->state_handlers->start_io_handler(
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sci_dev->owning_port, sci_dev, request);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, request);
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if (status != SCI_SUCCESS)
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goto out;
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status = request->state_handlers->start_handler(request);
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if (status != SCI_SUCCESS)
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goto out;
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if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA)
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new_state = SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ;
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else {
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sci_dev->working_request = request;
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new_state = SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD;
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}
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sci_base_state_machine_change_state(&sci_dev->state_machine, new_state);
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out:
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scic_sds_remote_device_start_request(sci_dev, request, status);
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return status;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_event_handler(
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struct scic_sds_remote_device *sci_dev,
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u32 event_code)
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@ -982,31 +995,6 @@ static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_event_hand
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return status;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *request)
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{
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enum sci_status status;
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struct isci_request *isci_request = request->ireq;
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scic_sds_port_io_request_handler_t start_io;
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if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
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start_io = sci_dev->owning_port->state_handlers->start_io_handler;
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status = start_io(sci_dev->owning_port, sci_dev, request);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, request);
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if (status == SCI_SUCCESS)
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status = request->state_handlers->start_handler(request);
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scic_sds_remote_device_start_request(sci_dev, request, status);
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} else
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status = SCI_FAILURE_INVALID_STATE;
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return status;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_frame_handler(struct scic_sds_remote_device *sci_dev,
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u32 frame_index)
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{
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@ -1046,16 +1034,6 @@ static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_frame_handl
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return status;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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{
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/* device is already handling a command it can not accept new commands
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* until this one is complete.
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*/
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return SCI_FAILURE_INVALID_STATE;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_suspend_handler(
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struct scic_sds_remote_device *sci_dev,
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u32 suspend_type)
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@ -1080,13 +1058,6 @@ static enum sci_status scic_sds_stp_remote_device_ready_cmd_substate_frame_handl
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frame_index);
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}
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static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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{
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return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
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}
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static enum sci_status scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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@ -1126,46 +1097,6 @@ static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handl
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isci_remote_device_ready(scic->ihost, idev);
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}
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static enum sci_status scic_sds_smp_remote_device_ready_idle_substate_start_io_handler(
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struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *sci_req)
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{
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enum sci_status status;
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/* Will the port allow the io request to start? */
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status = sci_dev->owning_port->state_handlers->start_io_handler(
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sci_dev->owning_port, sci_dev, sci_req);
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if (status != SCI_SUCCESS)
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return status;
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status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
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if (status != SCI_SUCCESS)
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goto out;
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status = scic_sds_request_start(sci_req);
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if (status != SCI_SUCCESS)
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goto out;
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sci_dev->working_request = sci_req;
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sci_base_state_machine_change_state(&sci_dev->state_machine,
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SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
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out:
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scic_sds_remote_device_start_request(sci_dev, sci_req, status);
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return status;
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}
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static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler(
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struct scic_sds_remote_device *device,
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struct scic_sds_request *request)
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{
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/* device is already handling a command it can not accept new commands
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* until this one is complete.
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*/
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return SCI_FAILURE_INVALID_STATE;
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}
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static enum sci_status
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scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler(struct scic_sds_remote_device *sci_dev,
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struct scic_sds_request *sci_req)
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@ -1213,7 +1144,6 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl
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static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
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[SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
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.start_io_handler = scic_sds_remote_device_default_start_request_handler,
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.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
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.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
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.start_task_handler = scic_sds_remote_device_default_start_request_handler,
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@ -1224,7 +1154,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
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.frame_handler = scic_sds_remote_device_default_frame_handler
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},
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[SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = {
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.start_io_handler = scic_sds_remote_device_default_start_request_handler,
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.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
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.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
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.start_task_handler = scic_sds_remote_device_default_start_request_handler,
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@ -1235,7 +1164,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
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.frame_handler = scic_sds_remote_device_default_frame_handler
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},
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[SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = {
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.start_io_handler = scic_sds_remote_device_default_start_request_handler,
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.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
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.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1246,7 +1174,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_default_frame_handler
|
||||
},
|
||||
[SCI_BASE_REMOTE_DEVICE_STATE_READY] = {
|
||||
.start_io_handler = scic_sds_remote_device_ready_state_start_io_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_ready_state_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_ready_state_start_task_handler,
|
||||
|
|
@ -1257,7 +1184,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler,
|
||||
},
|
||||
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
|
||||
.start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
||||
|
|
@ -1268,7 +1194,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_default_frame_handler
|
||||
},
|
||||
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
|
||||
.start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
||||
|
|
@ -1279,7 +1204,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler
|
||||
},
|
||||
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = {
|
||||
.start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
||||
|
|
@ -1290,7 +1214,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler
|
||||
},
|
||||
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
|
||||
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
.complete_io_handler = scic_sds_stp_remote_device_complete_request,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
||||
|
|
@ -1301,7 +1224,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler
|
||||
},
|
||||
[SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
|
||||
.start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_stp_remote_device_ready_substate_start_request_handler,
|
||||
|
|
@ -1312,7 +1234,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler
|
||||
},
|
||||
[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
|
||||
.start_io_handler = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1323,7 +1244,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_default_frame_handler
|
||||
},
|
||||
[SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
|
||||
.start_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler,
|
||||
.complete_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1334,7 +1254,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler
|
||||
},
|
||||
[SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = {
|
||||
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_stopping_state_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1345,7 +1264,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler
|
||||
},
|
||||
[SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = {
|
||||
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1356,7 +1274,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler
|
||||
},
|
||||
[SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = {
|
||||
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_resetting_state_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
@ -1367,7 +1284,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
|
|||
.frame_handler = scic_sds_remote_device_general_frame_handler
|
||||
},
|
||||
[SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = {
|
||||
.start_io_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
.complete_io_handler = scic_sds_remote_device_default_complete_request_handler,
|
||||
.continue_io_handler = scic_sds_remote_device_default_continue_request_handler,
|
||||
.start_task_handler = scic_sds_remote_device_default_start_request_handler,
|
||||
|
|
|
|||
|
|
@ -386,12 +386,6 @@ typedef void (*scic_sds_remote_device_ready_not_ready_handler_t)(
|
|||
*
|
||||
*/
|
||||
struct scic_sds_remote_device_state_handler {
|
||||
/**
|
||||
* The start_io_handler specifies the method invoked when a user
|
||||
* attempts to start an IO request for a remote device.
|
||||
*/
|
||||
scic_sds_remote_device_request_handler_t start_io_handler;
|
||||
|
||||
/**
|
||||
* The complete_io_handler specifies the method invoked when a user
|
||||
* attempts to complete an IO request for a remote device.
|
||||
|
|
|
|||
Loading…
Reference in a new issue