/** * sas_discover_domain -- discover the domain * @port: port to the domain of interest * * NOTE: this process _must_ quit (return) as soon as any connection * errors are encountered. Connection recovery is done elsewhere. * Discover process only interrogates devices in order to discover the * domain. */ static void sas_discover_domain(struct work_struct *work) { struct domain_device *dev; int error = 0; struct sas_discovery_event *ev = container_of(work, struct sas_discovery_event, work); struct asd_sas_port *port = ev->port; sas_begin_event(DISCE_DISCOVER_DOMAIN, &port->disc.disc_event_lock, &port->disc.pending); if (port->port_dev) return; error = sas_get_port_device(port); if (error) return; dev = port->port_dev; SAS_DPRINTK("DOING DISCOVERY on port %d, pid:%d\n", port->id, task_pid_nr(current)); switch (dev->dev_type) { case SAS_END_DEV: error = sas_discover_end_dev(dev); break; case EDGE_DEV: case FANOUT_DEV: error = sas_discover_root_expander(dev); break; case SATA_DEV: case SATA_PM: #ifdef CONFIG_SCSI_SAS_ATA error = sas_discover_sata(dev); break; #else SAS_DPRINTK("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n"); /* Fall through */ #endif default: error = -ENXIO; SAS_DPRINTK("unhandled device %d\n", dev->dev_type); break; } if (error) { sas_rphy_free(dev->rphy); dev->rphy = NULL; spin_lock_irq(&port->dev_list_lock); list_del_init(&dev->dev_list_node); spin_unlock_irq(&port->dev_list_lock); kfree(dev); /* not kobject_register-ed yet */ port->port_dev = NULL; } SAS_DPRINTK("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id, task_pid_nr(current), error); }
static void sas_phye_oob_error(struct work_struct *work) { struct asd_sas_event *ev = container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct asd_sas_port *port = phy->port; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); sas_begin_event(PHYE_OOB_ERROR, &phy->ha->event_lock, &phy->phy_events_pending); sas_deform_port(phy, 1); if (!port && phy->enabled && i->dft->lldd_control_phy) { phy->error++; switch (phy->error) { case 1: case 2: i->dft->lldd_control_phy(phy, PHY_FUNC_HARD_RESET, NULL); break; case 3: default: phy->error = 0; phy->enabled = 0; i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL); break; } } }
static void sas_phye_oob_done(void *data) { struct asd_sas_phy *phy = data; sas_begin_event(PHYE_OOB_DONE, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; }
static void sas_phye_loss_of_signal(void *data) { struct asd_sas_phy *phy = data; sas_begin_event(PHYE_LOSS_OF_SIGNAL, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; sas_deform_port(phy, 1); }
static void sas_phye_oob_done(struct work_struct *work) { struct asd_sas_event *ev = container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; sas_begin_event(PHYE_OOB_DONE, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; }
static void sas_phye_loss_of_signal(struct work_struct *work) { struct asd_sas_event *ev = container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; sas_begin_event(PHYE_LOSS_OF_SIGNAL, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; <<<<<<< HEAD
static void sas_phye_spinup_hold(void *data) { struct asd_sas_phy *phy = data; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); sas_begin_event(PHYE_SPINUP_HOLD, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; i->dft->lldd_control_phy_new(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL); }
static void sas_phye_spinup_hold(struct work_struct *work) { struct asd_sas_event *ev = container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); sas_begin_event(PHYE_SPINUP_HOLD, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL); }
static void sas_revalidate_domain(struct work_struct *work) { int res = 0; struct sas_discovery_event *ev = container_of(work, struct sas_discovery_event, work); struct asd_sas_port *port = ev->port; sas_begin_event(DISCE_REVALIDATE_DOMAIN, &port->disc.disc_event_lock, &port->disc.pending); SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id, task_pid_nr(current)); if (port->port_dev) res = sas_ex_revalidate_domain(port->port_dev); SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n", port->id, task_pid_nr(current), res); }