patch-2.4.15 linux/drivers/hotplug/cpqphp_proc.c

• Lines: 193
• Date: Fri Nov 9 14:01:22 2001
• Orig file: v2.4.14/linux/drivers/hotplug/cpqphp_proc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.14/linux/drivers/hotplug/cpqphp_proc.c linux/drivers/hotplug/cpqphp_proc.c
@@ -0,0 +1,192 @@
+/*
+ * Compaq Hot Plug Controller Driver
+ *
+ * Copyright (c) 1995,2001 Compaq Computer Corporation
+ * Copyright (c) 2001 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/pci.h>
+#include "cpqphp.h"
+
+
+
+static struct proc_dir_entry *ctrl_proc_root;
+
+/* A few routines that create proc entries for the hot plug controller */
+
+static int read_ctrl (char *buf, char **start, off_t offset, int len, int *eof, void *data)
+{
+	struct controller *ctrl = (struct controller *)data;
+	char * out = buf;
+	int index;
+	struct pci_resource *res;
+
+	if (offset > 0)	return 0; /* no partial requests */
+	len  = 0;
+	*eof = 1;
+
+	out += sprintf(out, "hot plug ctrl Info Page\n");
+	out += sprintf(out, "bus = %d, device = %d, function = %d\n",ctrl->bus,
+		       ctrl->device, ctrl->function);
+	out += sprintf(out, "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;
+	}
+
+	*start = buf;
+	len = out-buf;
+
+	return len;
+}
+
+static int read_dev (char *buf, char **start, off_t offset, int len, int *eof, void *data)
+{
+	struct controller *ctrl = (struct controller *)data;
+	char * out = buf;
+	int index;
+	struct pci_resource *res;
+	struct pci_func *new_slot;
+	struct slot *slot;
+
+	if (offset > 0)	return 0; /* no partial requests */
+	len  = 0;
+	*eof = 1;
+
+	out += sprintf(out, "hot plug ctrl Info Page\n");
+	out += sprintf(out, "bus = %d, device = %d, function = %d\n",ctrl->bus,
+		       ctrl->device, ctrl->function);
+
+	slot=ctrl->slot;
+
+	while (slot) {
+		new_slot = cpqhp_slot_find(slot->bus, slot->device, 0);
+		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;
+	}
+
+	*start = buf;
+	len = out-buf;
+
+	return len;
+}
+
+int cpqhp_proc_create_ctrl (struct controller *ctrl)
+{
+	strcpy(ctrl->proc_name, "hpca");
+	ctrl->proc_name[3] = 'a' + ctrl->bus;
+
+	ctrl->proc_entry = create_proc_entry(ctrl->proc_name, S_IFREG | S_IRUGO, ctrl_proc_root);
+	ctrl->proc_entry->data = ctrl;
+	ctrl->proc_entry->read_proc = &read_ctrl;
+
+	strcpy(ctrl->proc_name2, "slot_a");
+	ctrl->proc_name2[5] = 'a' + ctrl->bus;
+	ctrl->proc_entry2 = create_proc_entry(ctrl->proc_name2, S_IFREG | S_IRUGO, ctrl_proc_root);
+	ctrl->proc_entry2->data = ctrl;
+	ctrl->proc_entry2->read_proc = &read_dev;
+
+	return 0;
+}
+
+int cpqhp_proc_remove_ctrl (struct controller *ctrl)
+{
+	if (ctrl->proc_entry)
+		remove_proc_entry(ctrl->proc_name, ctrl_proc_root);
+	if (ctrl->proc_entry2)
+		remove_proc_entry(ctrl->proc_name2, ctrl_proc_root);
+
+	return 0;
+}
+	
+int cpqhp_proc_init_ctrl (void)
+{
+	ctrl_proc_root = proc_mkdir("driver/hpc", NULL);
+	if (!ctrl_proc_root)
+		return -ENOMEM;
+	ctrl_proc_root->owner = THIS_MODULE;
+	return 0;
+}
+
+int cpqhp_proc_destroy_ctrl (void)
+{
+	remove_proc_entry("hpc", proc_root_driver);
+	return 0;
+}
+