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@@ -1,164 +0,0 @@
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-/* Works like the fakephp driver used to, except a little better.
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- *
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- * - It's possible to remove devices with subordinate busses.
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- * - New PCI devices that appear via any method, not just a fakephp triggered
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- * rescan, will be noticed.
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- * - Devices that are removed via any method, not just a fakephp triggered
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- * removal, will also be noticed.
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- *
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- * Uses nothing from the pci-hotplug subsystem.
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- *
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- */
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-
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-#include <linux/module.h>
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-#include <linux/kernel.h>
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-#include <linux/types.h>
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-#include <linux/list.h>
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-#include <linux/kobject.h>
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-#include <linux/sysfs.h>
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-#include <linux/init.h>
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-#include <linux/pci.h>
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-#include <linux/device.h>
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-#include <linux/slab.h>
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-#include "../pci.h"
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-
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-struct legacy_slot {
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- struct kobject kobj;
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- struct pci_dev *dev;
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- struct list_head list;
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-};
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-
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-static LIST_HEAD(legacy_list);
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-
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-static ssize_t legacy_show(struct kobject *kobj, struct attribute *attr,
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- char *buf)
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-{
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- struct legacy_slot *slot = container_of(kobj, typeof(*slot), kobj);
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- strcpy(buf, "1\n");
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- return 2;
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-}
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-
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-static void remove_callback(void *data)
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-{
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- pci_stop_and_remove_bus_device((struct pci_dev *)data);
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-}
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-
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-static ssize_t legacy_store(struct kobject *kobj, struct attribute *attr,
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- const char *buf, size_t len)
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-{
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- struct legacy_slot *slot = container_of(kobj, typeof(*slot), kobj);
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- unsigned long val;
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-
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- if (strict_strtoul(buf, 0, &val) < 0)
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- return -EINVAL;
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-
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- if (val)
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- pci_rescan_bus(slot->dev->bus);
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- else
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- sysfs_schedule_callback(&slot->dev->dev.kobj, remove_callback,
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- slot->dev, THIS_MODULE);
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- return len;
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-}
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-
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-static struct attribute *legacy_attrs[] = {
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- &(struct attribute){ .name = "power", .mode = 0644 },
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- NULL,
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-};
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-
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-static void legacy_release(struct kobject *kobj)
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-{
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- struct legacy_slot *slot = container_of(kobj, typeof(*slot), kobj);
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-
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- pci_dev_put(slot->dev);
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- kfree(slot);
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-}
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-
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-static struct kobj_type legacy_ktype = {
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- .sysfs_ops = &(const struct sysfs_ops){
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- .store = legacy_store, .show = legacy_show
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- },
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- .release = &legacy_release,
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- .default_attrs = legacy_attrs,
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-};
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-
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-static int legacy_add_slot(struct pci_dev *pdev)
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-{
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- struct legacy_slot *slot = kzalloc(sizeof(*slot), GFP_KERNEL);
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-
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- if (!slot)
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- return -ENOMEM;
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-
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- if (kobject_init_and_add(&slot->kobj, &legacy_ktype,
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- &pci_slots_kset->kobj, "%s",
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- dev_name(&pdev->dev))) {
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- dev_warn(&pdev->dev, "Failed to created legacy fake slot\n");
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- return -EINVAL;
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- }
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- slot->dev = pci_dev_get(pdev);
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-
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- list_add(&slot->list, &legacy_list);
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-
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- return 0;
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-}
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-
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-static int legacy_notify(struct notifier_block *nb,
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- unsigned long action, void *data)
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-{
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- struct pci_dev *pdev = to_pci_dev(data);
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-
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- if (action == BUS_NOTIFY_ADD_DEVICE) {
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- legacy_add_slot(pdev);
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- } else if (action == BUS_NOTIFY_DEL_DEVICE) {
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- struct legacy_slot *slot;
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-
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- list_for_each_entry(slot, &legacy_list, list)
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- if (slot->dev == pdev)
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- goto found;
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-
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- dev_warn(&pdev->dev, "Missing legacy fake slot?");
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- return -ENODEV;
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-found:
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- kobject_del(&slot->kobj);
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- list_del(&slot->list);
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- kobject_put(&slot->kobj);
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- }
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-
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- return 0;
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-}
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-
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-static struct notifier_block legacy_notifier = {
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- .notifier_call = legacy_notify
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-};
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-
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-static int __init init_legacy(void)
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-{
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- struct pci_dev *pdev = NULL;
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-
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- /* Add existing devices */
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- for_each_pci_dev(pdev)
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- legacy_add_slot(pdev);
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-
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- /* Be alerted of any new ones */
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- bus_register_notifier(&pci_bus_type, &legacy_notifier);
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- return 0;
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-}
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-module_init(init_legacy);
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-
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-static void __exit remove_legacy(void)
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-{
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- struct legacy_slot *slot, *tmp;
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-
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- bus_unregister_notifier(&pci_bus_type, &legacy_notifier);
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-
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- list_for_each_entry_safe(slot, tmp, &legacy_list, list) {
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- list_del(&slot->list);
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- kobject_del(&slot->kobj);
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- kobject_put(&slot->kobj);
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- }
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-}
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-module_exit(remove_legacy);
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-
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-
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-MODULE_AUTHOR("Trent Piepho <xyzzy@speakeasy.org>");
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-MODULE_DESCRIPTION("Legacy version of the fakephp interface");
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-MODULE_LICENSE("GPL");
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Bjorn Helgaas