You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.1 KiB
96 lines
3.1 KiB
/* |
|
* Compaq 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/module.h> |
|
#include <linux/kernel.h> |
|
#include <linux/types.h> |
|
#include <linux/pci.h> |
|
#include "shpchp.h" |
|
|
|
|
|
/* A few routines that create sysfs entries for the hot plug controller */ |
|
|
|
static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, char *buf) |
|
{ |
|
struct pci_dev *pdev; |
|
char *out = buf; |
|
int index, busnr; |
|
struct resource *res; |
|
struct pci_bus *bus; |
|
|
|
pdev = container_of (dev, struct pci_dev, dev); |
|
bus = pdev->subordinate; |
|
|
|
out += sprintf(buf, "Free resources: memory\n"); |
|
pci_bus_for_each_resource(bus, res, index) { |
|
if (res && (res->flags & IORESOURCE_MEM) && |
|
!(res->flags & IORESOURCE_PREFETCH)) { |
|
out += sprintf(out, "start = %8.8llx, length = %8.8llx\n", |
|
(unsigned long long)res->start, |
|
(unsigned long long)resource_size(res)); |
|
} |
|
} |
|
out += sprintf(out, "Free resources: prefetchable memory\n"); |
|
pci_bus_for_each_resource(bus, res, index) { |
|
if (res && (res->flags & IORESOURCE_MEM) && |
|
(res->flags & IORESOURCE_PREFETCH)) { |
|
out += sprintf(out, "start = %8.8llx, length = %8.8llx\n", |
|
(unsigned long long)res->start, |
|
(unsigned long long)resource_size(res)); |
|
} |
|
} |
|
out += sprintf(out, "Free resources: IO\n"); |
|
pci_bus_for_each_resource(bus, res, index) { |
|
if (res && (res->flags & IORESOURCE_IO)) { |
|
out += sprintf(out, "start = %8.8llx, length = %8.8llx\n", |
|
(unsigned long long)res->start, |
|
(unsigned long long)resource_size(res)); |
|
} |
|
} |
|
out += sprintf(out, "Free resources: bus numbers\n"); |
|
for (busnr = bus->busn_res.start; busnr <= bus->busn_res.end; busnr++) { |
|
if (!pci_find_bus(pci_domain_nr(bus), busnr)) |
|
break; |
|
} |
|
if (busnr < bus->busn_res.end) |
|
out += sprintf(out, "start = %8.8x, length = %8.8x\n", |
|
busnr, (int)(bus->busn_res.end - busnr)); |
|
|
|
return out - buf; |
|
} |
|
static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL); |
|
|
|
int shpchp_create_ctrl_files (struct controller *ctrl) |
|
{ |
|
return device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl); |
|
} |
|
|
|
void shpchp_remove_ctrl_files(struct controller *ctrl) |
|
{ |
|
device_remove_file(&ctrl->pci_dev->dev, &dev_attr_ctrl); |
|
}
|
|
|