diff options
Diffstat (limited to 'drivers/pci/hotplug/cpqphp_sysfs.c')
| -rw-r--r-- | drivers/pci/hotplug/cpqphp_sysfs.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c new file mode 100644 index 000000000000..41c7971d06c5 --- /dev/null +++ b/drivers/pci/hotplug/cpqphp_sysfs.c @@ -0,0 +1,143 @@ +/* + * 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 "cpqphp.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 = cpqhp_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 cpqhp_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); +} |