From fd89f87ee3d2721155124954dca4156866001562 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Tue, 11 Jul 2023 09:43:44 +0200 Subject: mod: move files to subdirectories --- mod/src/cyber_device_device_class.c | 85 +++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 mod/src/cyber_device_device_class.c (limited to 'mod/src/cyber_device_device_class.c') diff --git a/mod/src/cyber_device_device_class.c b/mod/src/cyber_device_device_class.c new file mode 100644 index 0000000..b908da1 --- /dev/null +++ b/mod/src/cyber_device_device_class.c @@ -0,0 +1,85 @@ +/* + * cyber - Add CYBER to your system + * Copyright (C) 2017 Felix Morgner + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#include "cyber.h" +#include "cyber_device.h" + +#include +#include +#include +#include +#include + +extern struct cyber_device device; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0) +static ssize_t available_show(struct class const * class, struct class_attribute const * attribute, char * __user buffer) +#else +static ssize_t available_show(struct class * class, struct class_attribute * attribute, char * __user buffer) +#endif + { + return sprintf(buffer, "infinite\n"); + } +static CLASS_ATTR_RO(available); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0) +static ssize_t storage_technology_show(struct class const * class, struct class_attribute const * attribute, char * __user buffer) +#else +static ssize_t storage_technology_show(struct class * class, struct class_attribute * attribute, char * __user buffer) +#endif + { + return sprintf(buffer, "condensed di-hydrogen-monoxide\n"); + } +static CLASS_ATTR_RO(storage_technology); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,2,0) +static int cyber_device_handle_uevent(struct device const * kernelDevice, struct kobj_uevent_env * environment) +#else +static int cyber_device_handle_uevent(struct device * kernelDevice, struct kobj_uevent_env * environment) +#endif +{ + add_uevent_var(environment, "DEVMODE=%#o", 0666); + return 0; +} + +int cyber_device_init_device_class(void) +{ + int error = 0; + + device.class.name = CLS_NAME; +#if LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0) + device.class.owner = THIS_MODULE; +#endif + device.class.dev_uevent = cyber_device_handle_uevent; + if((error = class_register(&device.class))) + { + printk(KERN_ALERT DEV_NAME ": Failed to register CYBER device class!\n"); + } + + if((error = class_create_file(&device.class, &class_attr_available)) || + (error = class_create_file(&device.class, &class_attr_storage_technology))) + { + printk(KERN_ALERT DEV_NAME ": Failed to register sysfs CYBER attributes!\n"); + } + + return error; +} + +void cyber_device_shutdown_device_class(void) +{ + class_unregister(&device.class); +} -- cgit v1.2.3