Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, 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, 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, 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, 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, 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 | dio_resource_start(d), dio_resource_end(d), |
| 62 | dio_resource_flags(d)); |
| 63 | } |
| 64 | static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL); |
| 65 | |
| 66 | void dio_create_sysfs_dev_files(struct dio_dev *d) |
| 67 | { |
| 68 | struct device *dev = &d->dev; |
| 69 | |
| 70 | /* current configuration's attributes */ |
| 71 | device_create_file(dev, &dev_attr_id); |
| 72 | device_create_file(dev, &dev_attr_ipl); |
| 73 | device_create_file(dev, &dev_attr_secid); |
| 74 | device_create_file(dev, &dev_attr_name); |
| 75 | device_create_file(dev, &dev_attr_resource); |
| 76 | } |
| 77 | |