static void sci_remote_node_context_construct_buffer(struct sci_remote_node_context *sci_rnc) { struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; int rni = sci_rnc->remote_node_index; union scu_remote_node_context *rnc; struct isci_host *ihost; __le64 sas_addr; ihost = idev->owning_port->owning_controller; rnc = sci_rnc_by_id(ihost, rni); memset(rnc, 0, sizeof(union scu_remote_node_context) * sci_remote_device_node_count(idev)); rnc->ssp.remote_node_index = rni; rnc->ssp.remote_node_port_width = idev->device_port_width; rnc->ssp.logical_port_index = idev->owning_port->physical_port_index; /* sas address is __be64, context ram format is __le64 */ sas_addr = cpu_to_le64(SAS_ADDR(dev->sas_addr)); rnc->ssp.remote_sas_address_hi = upper_32_bits(sas_addr); rnc->ssp.remote_sas_address_lo = lower_32_bits(sas_addr); rnc->ssp.nexus_loss_timer_enable = true; rnc->ssp.check_bit = false; rnc->ssp.is_valid = false; rnc->ssp.is_remote_node_context = true; rnc->ssp.function_number = 0; rnc->ssp.arbitration_wait_time = 0; if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { rnc->ssp.connection_occupancy_timeout = ihost->user_parameters.stp_max_occupancy_timeout; rnc->ssp.connection_inactivity_timeout = ihost->user_parameters.stp_inactivity_timeout; } else { rnc->ssp.connection_occupancy_timeout = ihost->user_parameters.ssp_max_occupancy_timeout; rnc->ssp.connection_inactivity_timeout = ihost->user_parameters.ssp_inactivity_timeout; } rnc->ssp.initial_arbitration_wait_time = 0; /* Open Address Frame Parameters */ rnc->ssp.oaf_connection_rate = idev->connection_rate; rnc->ssp.oaf_features = 0; rnc->ssp.oaf_source_zone_group = 0; rnc->ssp.oaf_more_compatibility_features = 0; }
static void sci_remote_node_context_invalidate_context_buffer(struct sci_remote_node_context *sci_rnc) { union scu_remote_node_context *rnc_buffer; struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct isci_host *ihost = idev->owning_port->owning_controller; rnc_buffer = sci_rnc_by_id(ihost, sci_rnc->remote_node_index); rnc_buffer->ssp.is_valid = false; sci_remote_device_post_request(rnc_to_dev(sci_rnc), SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE); }
static void sci_remote_node_context_validate_context_buffer(struct sci_remote_node_context *sci_rnc) { union scu_remote_node_context *rnc_buffer; struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; struct isci_host *ihost = idev->owning_port->owning_controller; rnc_buffer = sci_rnc_by_id(ihost, sci_rnc->remote_node_index); rnc_buffer->ssp.is_valid = true; if (dev_is_sata(dev) && dev->parent) { sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_96); } else { sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_32); if (!dev->parent) sci_port_setup_transports(idev->owning_port, sci_rnc->remote_node_index); } }
static void sci_remote_node_context_validate_context_buffer(struct sci_remote_node_context *sci_rnc) { union scu_remote_node_context *rnc_buffer; struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; struct isci_host *ihost = idev->owning_port->owning_controller; rnc_buffer = sci_rnc_by_id(ihost, sci_rnc->remote_node_index); rnc_buffer->ssp.is_valid = true; if (!idev->is_direct_attached && (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP))) { sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_96); } else { sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_32); if (idev->is_direct_attached) sci_port_setup_transports(idev->owning_port, sci_rnc->remote_node_index); } }