/* * PCI Express Hot Plug Controller Driver * * Copyright (C) 1995,2001 Compaq Computer Corporation * Copyright (C) 2001,2003 Greg Kroah-Hartman (greg@kroah.com) * Copyright (C) 2001 IBM Corp. * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT.  See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Send feedback to <greg@kroah.com> * */#include <linux/config.h>#include <linux/module.h>#include <linux/kernel.h>#include <linux/types.h>#include <linux/proc_fs.h>#include <linux/workqueue.h>#include <linux/pci.h>#include "pciehp.h"/* A few routines that create sysfs entries for the hot plug controller */static ssize_t show_ctrl (struct device *dev, char *buf){	struct pci_dev *pci_dev;	struct controller *ctrl;	char * out = buf;	int index;	struct pci_resource *res;	pci_dev = container_of (dev, struct pci_dev, dev);	ctrl = pci_get_drvdata(pci_dev);	out += sprintf(buf, "Free resources: memory\n");	index = 11;	res = ctrl->mem_head;	while (res && index--) {		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);		res = res->next;	}	out += sprintf(out, "Free resources: prefetchable memory\n");	index = 11;	res = ctrl->p_mem_head;	while (res && index--) {		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);		res = res->next;	}	out += sprintf(out, "Free resources: IO\n");	index = 11;	res = ctrl->io_head;	while (res && index--) {		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);		res = res->next;	}	out += sprintf(out, "Free resources: bus numbers\n");	index = 11;	res = ctrl->bus_head;	while (res && index--) {		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);		res = res->next;	}	return out - buf;}static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);static ssize_t show_dev (struct device *dev, char *buf){	struct pci_dev *pci_dev;	struct controller *ctrl;	char * out = buf;	int index;	struct pci_resource *res;	struct pci_func *new_slot;	struct slot *slot;	pci_dev = container_of (dev, struct pci_dev, dev);	ctrl = pci_get_drvdata(pci_dev);	slot=ctrl->slot;	while (slot) {		new_slot = pciehp_slot_find(slot->bus, slot->device, 0);		if (!new_slot)			break;		out += sprintf(out, "assigned resources: memory\n");		index = 11;		res = new_slot->mem_head;		while (res && index--) {			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);			res = res->next;		}		out += sprintf(out, "assigned resources: prefetchable memory\n");		index = 11;		res = new_slot->p_mem_head;		while (res && index--) {			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);			res = res->next;		}		out += sprintf(out, "assigned resources: IO\n");		index = 11;		res = new_slot->io_head;		while (res && index--) {			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);			res = res->next;		}		out += sprintf(out, "assigned resources: bus numbers\n");		index = 11;		res = new_slot->bus_head;		while (res && index--) {			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);			res = res->next;		}		slot=slot->next;	}	return out - buf;}static DEVICE_ATTR (dev, S_IRUGO, show_dev, NULL);void pciehp_create_ctrl_files (struct controller *ctrl){	device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);	device_create_file (&ctrl->pci_dev->dev, &dev_attr_dev);}