83 lines
2.2 KiB
C
Executable File
83 lines
2.2 KiB
C
Executable File
/*
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* File Attributes for DIO Devices
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*
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* Copyright (C) 2004 Jochen Friedrich
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*
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* Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/dio.h>
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#include <linux/stat.h>
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/* show configuration fields */
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static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct dio_dev *d;
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d = to_dio_dev(dev);
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return sprintf(buf, "0x%02x\n", (d->id & 0xff));
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}
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static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL);
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static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct dio_dev *d;
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d = to_dio_dev(dev);
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return sprintf(buf, "0x%02x\n", d->ipl);
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}
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static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL);
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static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct dio_dev *d;
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d = to_dio_dev(dev);
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return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff));
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}
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static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL);
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static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct dio_dev *d;
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d = to_dio_dev(dev);
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return sprintf(buf, "%s\n", d->name);
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}
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static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL);
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static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct dio_dev *d = to_dio_dev(dev);
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return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
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(unsigned long)dio_resource_start(d),
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(unsigned long)dio_resource_end(d),
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dio_resource_flags(d));
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}
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static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
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int dio_create_sysfs_dev_files(struct dio_dev *d)
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{
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struct device *dev = &d->dev;
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int error;
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/* current configuration's attributes */
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if ((error = device_create_file(dev, &dev_attr_id)) ||
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(error = device_create_file(dev, &dev_attr_ipl)) ||
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(error = device_create_file(dev, &dev_attr_secid)) ||
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(error = device_create_file(dev, &dev_attr_name)) ||
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(error = device_create_file(dev, &dev_attr_resource)))
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return error;
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return 0;
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}
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