1 // SPDX-License-Identifier: GPL-2.0+
6  * Copyright (C) 2001,2003 Greg Kroah-Hartman ([email protected])
30 	char *out = buf;  in show_ctrl()  local
34 	out += sprintf(buf, "Free resources: memory\n");  in show_ctrl()
36 	res = ctrl->mem_head;  in show_ctrl()
37 	while (res && index--) {  in show_ctrl()
38 		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_ctrl()
39 		res = res->next;  in show_ctrl()
41 	out += sprintf(out, "Free resources: prefetchable memory\n");  in show_ctrl()
43 	res = ctrl->p_mem_head;  in show_ctrl()
44 	while (res && index--) {  in show_ctrl()
45 		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_ctrl()
46 		res = res->next;  in show_ctrl()
48 	out += sprintf(out, "Free resources: IO\n");  in show_ctrl()
50 	res = ctrl->io_head;  in show_ctrl()
51 	while (res && index--) {  in show_ctrl()
52 		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_ctrl()
53 		res = res->next;  in show_ctrl()
55 	out += sprintf(out, "Free resources: bus numbers\n");  in show_ctrl()
57 	res = ctrl->bus_head;  in show_ctrl()
58 	while (res && index--) {  in show_ctrl()
59 		out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_ctrl()
60 		res = res->next;  in show_ctrl()
63 	return out - buf;  in show_ctrl()
68 	char *out = buf;  in show_dev()  local
74 	slot = ctrl->slot;  in show_dev()
77 		new_slot = cpqhp_slot_find(slot->bus, slot->device, 0);  in show_dev()
80 		out += sprintf(out, "assigned resources: memory\n");  in show_dev()
82 		res = new_slot->mem_head;  in show_dev()
83 		while (res && index--) {  in show_dev()
84 			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_dev()
85 			res = res->next;  in show_dev()
87 		out += sprintf(out, "assigned resources: prefetchable memory\n");  in show_dev()
89 		res = new_slot->p_mem_head;  in show_dev()
90 		while (res && index--) {  in show_dev()
91 			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_dev()
92 			res = res->next;  in show_dev()
94 		out += sprintf(out, "assigned resources: IO\n");  in show_dev()
96 		res = new_slot->io_head;  in show_dev()
97 		while (res && index--) {  in show_dev()
98 			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_dev()
99 			res = res->next;  in show_dev()
101 		out += sprintf(out, "assigned resources: bus numbers\n");  in show_dev()
103 		res = new_slot->bus_head;  in show_dev()
104 		while (res && index--) {  in show_dev()
105 			out += sprintf(out, "start = %8.8x, length = %8.8x\n", res->base, res->length);  in show_dev()
106 			res = res->next;  in show_dev()
108 		slot = slot->next;  in show_dev()
111 	return out - buf;  in show_dev()
114 static int spew_debug_info(struct controller *ctrl, char *data, int size)  in spew_debug_info()  argument
118 	used = size - show_ctrl(ctrl, data);  in spew_debug_info()
119 	used = (size - used) - show_dev(ctrl, &data[used]);  in spew_debug_info()
125 	char *data;  member
132 	struct controller *ctrl = inode->i_private;  in open()
134 	int retval = -ENOMEM;  in open()
140 	dbg->data = kmalloc(MAX_OUTPUT, GFP_KERNEL);  in open()
141 	if (!dbg->data) {  in open()
145 	dbg->size = spew_debug_info(ctrl, dbg->data, MAX_OUTPUT);  in open()
146 	file->private_data = dbg;  in open()
155 	struct ctrl_dbg *dbg = file->private_data;  in lseek()
156 	return fixed_size_llseek(file, off, whence, dbg->size);  in lseek()
162 	struct ctrl_dbg *dbg = file->private_data;  in read()
163 	return simple_read_from_buffer(buf, nbytes, ppos, dbg->data, dbg->size);  in read()
168 	struct ctrl_dbg *dbg = file->private_data;  in release()
170 	kfree(dbg->data);  in release()
198 	ctrl->dentry = debugfs_create_file(dev_name(&ctrl->pci_dev->dev),  in cpqhp_create_debugfs_files()
204 	debugfs_remove(ctrl->dentry);  in cpqhp_remove_debugfs_files()
205 	ctrl->dentry = NULL;  in cpqhp_remove_debugfs_files()