litmus-rt.git - The LITMUS^RT kernel.

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The LITMUS^RT kernel.

Bjoern Brandenburg

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span class="hl com"> */ rc = rtas_set_power_level(slot->power_domain, POWER_ON, &setlevel); if (rc < 0) { dbg("%s: power on slot[%s] failed rc=%d.\n", __FUNCTION__, slot->name, rc); } else { rc = rtas_get_sensor(DR_ENTITY_SENSE, slot->index, state); } } else if (rc == -ENODEV) info("%s: slot is unusable\n", __FUNCTION__); else err("%s failed to get sensor state\n", __FUNCTION__); } return rc; } static void set_slot_name(struct slot *slot) { struct pci_bus *bus = slot->bus; struct pci_dev *bridge; bridge = bus->self; if (bridge) strcpy(slot->name, pci_name(bridge)); else sprintf(slot->name, "%04x:%02x:00.0", pci_domain_nr(bus), bus->number); } /** * rpaphp_enable_slot - record slot state, config pci device * @slot: target &slot * * Initialize values in the slot, and the hotplug_slot info * structures to indicate if there is a pci card plugged into * the slot. If the slot is not empty, run the pcibios routine * to get pcibios stuff correctly set up. */ int rpaphp_enable_slot(struct slot *slot) { int rc, level, state; struct pci_bus *bus; struct hotplug_slot_info *info = slot->hotplug_slot->info; info->adapter_status = NOT_VALID; slot->state = EMPTY; /* Find out if the power is turned on for the slot */ rc = rtas_get_power_level(slot->power_domain, &level); if (rc) return rc; info->power_status = level; /* Figure out if there is an adapter in the slot */ rc = rpaphp_get_sensor_state(slot, &state); if (rc) return rc; bus = pcibios_find_pci_bus(slot->dn); if (!bus) { err("%s: no pci_bus for dn %s\n", __FUNCTION__, slot->dn->full_name); return -EINVAL; } info->adapter_status = EMPTY; slot->bus = bus; slot->pci_devs = &bus->devices; set_slot_name(slot); /* if there's an adapter in the slot, go add the pci devices */ if (state == PRESENT) { info->adapter_status = NOT_CONFIGURED; slot->state = NOT_CONFIGURED; /* non-empty slot has to have child */ if (!slot->dn->child) { err("%s: slot[%s]'s device_node doesn't have child for adapter\n", __FUNCTION__, slot->name); return -EINVAL; } if (list_empty(&bus->devices)) pcibios_add_pci_devices(bus); if (!list_empty(&bus->devices)) { info->adapter_status = CONFIGURED; slot->state = CONFIGURED; } if (debug) { struct pci_dev *dev; dbg("%s: pci_devs of slot[%s]\n", __FUNCTION__, slot->dn->full_name); list_for_each_entry (dev, &bus->devices, bus_list) dbg("\t%s\n", pci_name(dev)); } } return 0; }


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