if (rc < 0) {
if (rc == -EFAULT || rc == -EEXIST) {
dbg("%s: slot must be power up to get sensor-state\n",
- __FUNCTION__);
+ __func__);
/* some slots have to be powered up
* before get-sensor will succeed.
&setlevel);
if (rc < 0) {
dbg("%s: power on slot[%s] failed rc=%d.\n",
- __FUNCTION__, slot->name, rc);
+ __func__, 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__);
+ info("%s: slot is unusable\n", __func__);
else
- err("%s failed to get sensor state\n", __FUNCTION__);
+ err("%s failed to get sensor state\n", __func__);
}
return rc;
}
/**
- * get_pci_adapter_status - get the status of a slot
- *
- * 0-- slot is empty
- * 1-- adapter is configured
- * 2-- adapter is not configured
- * 3-- not valid
+ * 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_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value)
+int rpaphp_enable_slot(struct slot *slot)
{
+ int rc, level, state;
struct pci_bus *bus;
- int state, rc;
-
- *value = NOT_VALID;
- rc = rpaphp_get_sensor_state(slot, &state);
- if (rc)
- goto exit;
-
- if (state == EMPTY)
- *value = EMPTY;
- else if (state == PRESENT) {
- if (!is_init) {
- /* at run-time slot->state can be changed by */
- /* config/unconfig adapter */
- *value = slot->state;
- } else {
- bus = pcibios_find_pci_bus(slot->dn);
- if (bus && !list_empty(&bus->devices))
- *value = CONFIGURED;
- else
- *value = NOT_CONFIGURED;
- }
- }
-exit:
- return rc;
-}
-
-static void print_slot_pci_funcs(struct pci_bus *bus)
-{
- struct device_node *dn;
- struct pci_dev *dev;
-
- dn = pci_bus_to_OF_node(bus);
- if (!dn)
- return;
+ struct hotplug_slot_info *info = slot->hotplug_slot->info;
- dbg("%s: pci_devs of slot[%s]\n", __FUNCTION__, dn->full_name);
- list_for_each_entry (dev, &bus->devices, bus_list)
- dbg("\t%s\n", pci_name(dev));
- return;
-}
-
-static int setup_pci_hotplug_slot_info(struct slot *slot)
-{
- struct hotplug_slot_info *hotplug_slot_info = slot->hotplug_slot->info;
-
- dbg("%s Initilize the PCI slot's hotplug->info structure ...\n",
- __FUNCTION__);
- rpaphp_get_power_status(slot, &hotplug_slot_info->power_status);
- rpaphp_get_pci_adapter_status(slot, 1,
- &hotplug_slot_info->adapter_status);
- if (hotplug_slot_info->adapter_status == NOT_VALID) {
- err("%s: NOT_VALID: skip dn->full_name=%s\n",
- __FUNCTION__, slot->dn->full_name);
- return -EINVAL;
- }
- return 0;
-}
+ info->adapter_status = NOT_VALID;
+ slot->state = EMPTY;
-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);
-}
+ /* 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;
-static int setup_pci_slot(struct slot *slot)
-{
- struct device_node *dn = slot->dn;
- struct pci_bus *bus;
+ /* Figure out if there is an adapter in the slot */
+ rc = rpaphp_get_sensor_state(slot, &state);
+ if (rc)
+ return rc;
- BUG_ON(!dn);
- bus = pcibios_find_pci_bus(dn);
+ bus = pcibios_find_pci_bus(slot->dn);
if (!bus) {
- err("%s: no pci_bus for dn %s\n", __FUNCTION__, dn->full_name);
- goto exit_rc;
+ err("%s: no pci_bus for dn %s\n", __func__, slot->dn->full_name);
+ return -EINVAL;
}
+ info->adapter_status = EMPTY;
slot->bus = bus;
slot->pci_devs = &bus->devices;
- set_slot_name(slot);
-
- /* find slot's pci_dev if it's not empty */
- if (slot->hotplug_slot->info->adapter_status == EMPTY) {
- slot->state = EMPTY; /* slot is empty */
- } else {
- /* slot is occupied */
- if (!dn->child) {
- /* non-empty slot has to have child */
- err("%s: slot[%s]'s device_node doesn't have child for adapter\n",
- __FUNCTION__, slot->name);
- goto exit_rc;
- }
- if (slot->hotplug_slot->info->adapter_status == NOT_CONFIGURED) {
- dbg("%s CONFIGURING pci adapter in slot[%s]\n",
- __FUNCTION__, slot->name);
- pcibios_add_pci_devices(slot->bus);
+ /* 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;
- } else if (slot->hotplug_slot->info->adapter_status != CONFIGURED) {
- err("%s: slot[%s]'s adapter_status is NOT_VALID.\n",
- __FUNCTION__, slot->name);
- goto exit_rc;
+ /* 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",
+ __func__, slot->name);
+ return -EINVAL;
}
- print_slot_pci_funcs(slot->bus);
- if (!list_empty(slot->pci_devs)) {
+
+ if (list_empty(&bus->devices))
+ pcibios_add_pci_devices(bus);
+
+ if (!list_empty(&bus->devices)) {
+ info->adapter_status = CONFIGURED;
slot->state = CONFIGURED;
- } else {
- /* DLPAR add as opposed to
- * boot time */
- slot->state = NOT_CONFIGURED;
+ }
+
+ if (rpaphp_debug) {
+ struct pci_dev *dev;
+ dbg("%s: pci_devs of slot[%s]\n", __func__, slot->dn->full_name);
+ list_for_each_entry (dev, &bus->devices, bus_list)
+ dbg("\t%s\n", pci_name(dev));
}
}
- return 0;
-exit_rc:
- return -EINVAL;
-}
-int rpaphp_register_pci_slot(struct slot *slot)
-{
- int rc = -EINVAL;
-
- if (setup_pci_hotplug_slot_info(slot))
- goto exit_rc;
- if (setup_pci_slot(slot))
- goto exit_rc;
- rc = rpaphp_register_slot(slot);
-exit_rc:
- return rc;
+ return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff