X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpci%2Fhotplug%2Frpaphp_slot.c;h=c58541addf50390d3e943b434d9209fd0ecf2726;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=0e952c86f132142d0105d3aa192de9d10c7a4d95;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c index 0e952c86f..c58541add 100644 --- a/drivers/pci/hotplug/rpaphp_slot.c +++ b/drivers/pci/hotplug/rpaphp_slot.c @@ -27,8 +27,38 @@ #include #include #include +#include #include "rpaphp.h" +static ssize_t removable_read_file (struct hotplug_slot *php_slot, char *buf) +{ + u8 value; + int retval = -ENOENT; + struct slot *slot = (struct slot *)php_slot->private; + + if (!slot) + return retval; + + value = slot->removable; + retval = sprintf (buf, "%d\n", value); + return retval; +} + +static struct hotplug_slot_attribute hotplug_slot_attr_removable = { + .attr = {.name = "phy_removable", .mode = S_IFREG | S_IRUGO}, + .show = removable_read_file, +}; + +static void rpaphp_sysfs_add_attr_removable (struct hotplug_slot *slot) +{ + sysfs_create_file(&slot->kobj, &hotplug_slot_attr_removable.attr); +} + +static void rpaphp_sysfs_remove_attr_removable (struct hotplug_slot *slot) +{ + sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_removable.attr); +} + static ssize_t location_read_file (struct hotplug_slot *php_slot, char *buf) { char *value; @@ -53,7 +83,7 @@ static void rpaphp_sysfs_add_attr_location (struct hotplug_slot *slot) sysfs_create_file(&slot->kobj, &hotplug_slot_attr_location.attr); } -void rpaphp_sysfs_remove_attr_location (struct hotplug_slot *slot) +static void rpaphp_sysfs_remove_attr_location (struct hotplug_slot *slot) { sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_location.attr); } @@ -68,6 +98,17 @@ static void rpaphp_release_slot(struct hotplug_slot *hotplug_slot) void dealloc_slot_struct(struct slot *slot) { + struct list_head *ln, *n; + + if (slot->dev_type == PCI_DEV) { + list_for_each_safe (ln, n, &slot->dev.pci_funcs) { + struct rpaphp_pci_func *func; + + func = list_entry(ln, struct rpaphp_pci_func, sibling); + kfree(func); + } + } + kfree(slot->hotplug_slot->info); kfree(slot->hotplug_slot->name); kfree(slot->hotplug_slot); @@ -86,7 +127,7 @@ struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_ memset(slot, 0, sizeof (struct slot)); slot->hotplug_slot = kmalloc(sizeof (struct hotplug_slot), GFP_KERNEL); if (!slot->hotplug_slot) - goto error_slot; + goto error_slot; memset(slot->hotplug_slot, 0, sizeof (struct hotplug_slot)); slot->hotplug_slot->info = kmalloc(sizeof (struct hotplug_slot_info), GFP_KERNEL); @@ -95,7 +136,7 @@ struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_ memset(slot->hotplug_slot->info, 0, sizeof (struct hotplug_slot_info)); slot->hotplug_slot->name = kmalloc(BUS_ID_SIZE + 1, GFP_KERNEL); if (!slot->hotplug_slot->name) - goto error_info; + goto error_info; slot->location = kmalloc(strlen(drc_name) + 1, GFP_KERNEL); if (!slot->location) goto error_name; @@ -107,9 +148,8 @@ struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_ slot->hotplug_slot->private = slot; slot->hotplug_slot->ops = &rpaphp_hotplug_slot_ops; slot->hotplug_slot->release = &rpaphp_release_slot; - slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN; - - return slot; + + return (slot); error_name: kfree(slot->hotplug_slot->name); @@ -123,15 +163,56 @@ error_nomem: return NULL; } +static int is_registered(struct slot *slot) +{ + struct slot *tmp_slot; + + list_for_each_entry(tmp_slot, &rpaphp_slot_head, rpaphp_slot_list) { + if (!strcmp(tmp_slot->name, slot->name)) + return 1; + } + return 0; +} + +int deregister_slot(struct slot *slot) +{ + int retval = 0; + struct hotplug_slot *php_slot = slot->hotplug_slot; + + dbg("%s - Entry: deregistering slot=%s\n", + __FUNCTION__, slot->name); + + list_del(&slot->rpaphp_slot_list); + + /* remove "phy_location" file */ + rpaphp_sysfs_remove_attr_location(php_slot); + + /* remove "phy_removable" file */ + rpaphp_sysfs_remove_attr_removable(php_slot); + + retval = pci_hp_deregister(php_slot); + if (retval) + err("Problem unregistering a slot %s\n", slot->name); + else + num_slots--; + + dbg("%s - Exit: rc[%d]\n", __FUNCTION__, retval); + return retval; +} + int register_slot(struct slot *slot) { int retval; - char *vio_uni_addr = NULL; - dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n", - __FUNCTION__, slot->dn->full_name, slot->index, slot->name, + dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n", + __FUNCTION__, slot->dn->full_name, slot->index, slot->name, slot->power_domain, slot->type); - + /* should not try to register the same slot twice */ + if (is_registered(slot)) { /* should't be here */ + err("register_slot: slot[%s] is already registered\n", slot->name); + rpaphp_release_slot(slot->hotplug_slot); + return 1; + } retval = pci_hp_register(slot->hotplug_slot); if (retval) { err("pci_hp_register failed with error %d\n", retval); @@ -142,30 +223,40 @@ int register_slot(struct slot *slot) /* create "phy_locatoin" file */ rpaphp_sysfs_add_attr_location(slot->hotplug_slot); + /* create "phy_removable" file */ + rpaphp_sysfs_add_attr_removable(slot->hotplug_slot); + /* add slot to our internal list */ dbg("%s adding slot[%s] to rpaphp_slot_list\n", __FUNCTION__, slot->name); list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head); - if (vio_uni_addr) - info("Slot [%s](vio_uni_addr=%s) registered\n", - slot->name, vio_uni_addr); + if (slot->dev_type == VIO_DEV) + info("Slot [%s](VIO location=%s) registered\n", + slot->name, slot->location); else - info("Slot [%s](bus_id=%s) registered\n", - slot->name, pci_name(slot->bridge)); + info("Slot [%s](PCI location=%s) registered\n", + slot->name, slot->location); num_slots++; return 0; } int rpaphp_get_power_status(struct slot *slot, u8 * value) { - int rc; - - rc = rtas_get_power_level(slot->power_domain, (int *) value); - if (rc) - err("failed to get power-level for slot(%s), rc=0x%x\n", - slot->name, rc); + int rc = 0; + + if (slot->type == EMBEDDED) { + dbg("%s set to POWER_ON for EMBEDDED slot %s\n", + __FUNCTION__, slot->location); + *value = POWER_ON; + } + else { + rc = rtas_get_power_level(slot->power_domain, (int *) value); + if (rc) + err("failed to get power-level for slot(%s), rc=0x%x\n", + slot->location, rc); + } return rc; } @@ -177,8 +268,8 @@ int rpaphp_set_attention_status(struct slot *slot, u8 status) /* status: LED_OFF or LED_ON */ rc = rtas_set_indicator(DR_INDICATOR, slot->index, status); if (rc) - err("slot(%s) set attention-status(%d) failed! rc=0x%x\n", - slot->name, status, rc); + err("slot(name=%s location=%s index=0x%x) set attention-status(%d) failed! rc=0x%x\n", + slot->name, slot->location, slot->index, status, rc); return rc; }