1 /* 2 * File Attributes for DIO Devices 3 * 4 * Copyright (C) 2004 Jochen Friedrich 5 * 6 * Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file COPYING in the main directory of this archive 10 * for more details. 11 */ 12 13 14 #include <linux/kernel.h> 15 #include <linux/dio.h> 16 #include <linux/stat.h> 17 18 /* show configuration fields */ 19 20 static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf) 21 { 22 struct dio_dev *d; 23 24 d = to_dio_dev(dev); 25 return sprintf(buf, "0x%02x\n", (d->id & 0xff)); 26 } 27 static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL); 28 29 static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf) 30 { 31 struct dio_dev *d; 32 33 d = to_dio_dev(dev); 34 return sprintf(buf, "0x%02x\n", d->ipl); 35 } 36 static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL); 37 38 static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf) 39 { 40 struct dio_dev *d; 41 42 d = to_dio_dev(dev); 43 return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff)); 44 } 45 static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL); 46 47 static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf) 48 { 49 struct dio_dev *d; 50 51 d = to_dio_dev(dev); 52 return sprintf(buf, "%s\n", d->name); 53 } 54 static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL); 55 56 static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf) 57 { 58 struct dio_dev *d = to_dio_dev(dev); 59 60 return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", 61 (unsigned long)dio_resource_start(d), 62 (unsigned long)dio_resource_end(d), 63 dio_resource_flags(d)); 64 } 65 static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL); 66 67 int dio_create_sysfs_dev_files(struct dio_dev *d) 68 { 69 struct device *dev = &d->dev; 70 int error; 71 72 /* current configuration's attributes */ 73 if ((error = device_create_file(dev, &dev_attr_id)) || 74 (error = device_create_file(dev, &dev_attr_ipl)) || 75 (error = device_create_file(dev, &dev_attr_secid)) || 76 (error = device_create_file(dev, &dev_attr_name)) || 77 (error = device_create_file(dev, &dev_attr_resource))) 78 return error; 79 80 return 0; 81 } 82 83