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);
}
}
