mirror of https://gitee.com/openkylin/linux.git
144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
/*
|
|
* 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/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 "shpchp.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 = shpchp_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 shpchp_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);
|
|
}
|