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sys/compat/linuxkpi/3.15/include/linux/miscdevice.h
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * Copyright (c) 2010 Isilon Systems, Inc. | |||||
| * Copyright (c) 2010 iX Systems, Inc. | |||||
| * Copyright (c) 2010 Panasas, Inc. | |||||
| * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice unmodified, this list of conditions, and the following | |||||
| * disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
| */ | |||||
| #ifndef _LINUX_MISCDEVICE_H_ | |||||
| #define _LINUX_MISCDEVICE_H_ | |||||
| #define MISC_DYNAMIC_MINOR -1 | |||||
| #include <linux/device.h> | |||||
| #include <linux/cdev.h> | |||||
| struct miscdevice { | |||||
| const char *name; | |||||
| struct device *this_device; | |||||
| const struct file_operations *fops; | |||||
| struct cdev *cdev; | |||||
| int minor; | |||||
| const char *nodename; | |||||
| umode_t mode; | |||||
| }; | |||||
| #define miscclass LINUXKPI_PREFIXED_SYM(miscclass) | |||||
| extern struct class miscclass; | |||||
| static inline int | |||||
| misc_register(struct miscdevice *misc) | |||||
| { | |||||
| misc->this_device = device_create(&miscclass, &linuxkpi_rootdev, 0, misc, | |||||
| misc->name); | |||||
| misc->cdev = cdev_alloc(); | |||||
| if (misc->cdev == NULL) | |||||
| return -ENOMEM; | |||||
| misc->cdev->owner = THIS_MODULE; | |||||
| misc->cdev->ops = misc->fops; | |||||
| kobject_set_name(&misc->cdev->kobj, misc->name); | |||||
| if (cdev_add(misc->cdev, misc->this_device->devt, 1)) | |||||
| return -EINVAL; | |||||
| return (0); | |||||
| } | |||||
| static inline int | |||||
| misc_deregister(struct miscdevice *misc) | |||||
| { | |||||
| device_destroy(&miscclass, misc->this_device->devt); | |||||
| cdev_del(misc->cdev); | |||||
| return (0); | |||||
| } | |||||
| #endif /* _LINUX_MISCDEVICE_H_ */ | |||||