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 --- src/cyber.c | 29 -------- src/cyber_device.c | 103 -------------------------- src/cyber_device_character_device.c | 53 ------------- src/cyber_device_device_class.c | 85 --------------------- src/cyber_device_kernel_device.c | 52 ------------- src/cyber_file.c | 144 ------------------------------------ src/cyber_lifecycle.c | 49 ------------ 7 files changed, 515 deletions(-) delete mode 100644 src/cyber.c delete mode 100644 src/cyber_device.c delete mode 100644 src/cyber_device_character_device.c delete mode 100644 src/cyber_device_device_class.c delete mode 100644 src/cyber_device_kernel_device.c delete mode 100644 src/cyber_file.c delete mode 100644 src/cyber_lifecycle.c (limited to 'src') diff --git a/src/cyber.c b/src/cyber.c deleted file mode 100644 index 6063136..0000000 --- a/src/cyber.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * 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 "cyber_lifecycle.h" - -#include -#include -#include - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Felix Morgner"); -MODULE_VERSION("42.1337.1939"); -MODULE_DESCRIPTION("Add CYBER to your system"); diff --git a/src/cyber_device.c b/src/cyber_device.c deleted file mode 100644 index 67b9695..0000000 --- a/src/cyber_device.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * 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 - -struct cyber_device device = {}; - -/** - * Initialize the sysfs CYBER device class - * - * @return zero on success, non-zero otherwise - */ -int cyber_device_init_device_class(void); - -/** - * Shutdown the sysfs CYBER device class - */ -void cyber_device_shutdown_device_class(void); - -/** - * Initialize the CYBER character device - * - * @return zero on success, non-zero otherwise - */ -int cyber_device_init_character_device(void); - -/** - * Shutdown the CYBER character device - */ -void cyber_device_shutdown_character_device(void); - -/** - * Initialize the CYBER kernel device - * - * @return zero on success, non-zero otherwise - */ -int cyber_device_init_kernel_device(void); - -/** - * Shutdown the CYBER kernel device - */ -void cyber_device_shutdown_kernel_device(void); - -int cyber_device_init(void) -{ - int error = 0; - - printk(KERN_INFO DEV_NAME ": Initializing CYBER device\n"); - - if((error = cyber_device_init_character_device())) - { - return error; - } - - if((error = cyber_device_init_device_class())) - { - cyber_device_shutdown_character_device(); - return error; - } - - if((error = cyber_device_init_kernel_device())) - { - cyber_device_shutdown_character_device(); - cyber_device_shutdown_device_class(); - return error; - } - - printk(KERN_INFO DEV_NAME ": New CYBER device with major %d minor %d\n", MAJOR(device.number), MINOR(device.number)); - return error; -} - -void cyber_device_shutdown(void) -{ - printk(KERN_INFO DEV_NAME ": Shutting down CYBER device\n"); - cyber_device_shutdown_kernel_device(); - cyber_device_shutdown_device_class(); - cyber_device_shutdown_character_device(); -} - -void cyber_device_release(struct device * device) -{ - printk(KERN_INFO DEV_NAME ": Closing kernel CYBER device\n"); -} diff --git a/src/cyber_device_character_device.c b/src/cyber_device_character_device.c deleted file mode 100644 index f99e97e..0000000 --- a/src/cyber_device_character_device.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * 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 - -extern struct cyber_device device; -extern struct file_operations const cyber_operations; - -int cyber_device_init_character_device(void) -{ - int error = 0; - - if((error = alloc_chrdev_region(&device.number, 0, 1, DEV_NAME))) - { - printk(KERN_ALERT DEV_NAME ": Failed to allocate character device!\n"); - } - - cdev_init(&device.character, &cyber_operations); - device.character.owner = THIS_MODULE; - device.character.ops = &cyber_operations; - - if((error = cdev_add(&device.character, device.number, 1))) - { - printk(KERN_ALERT DEV_NAME ": Failed to add character device (Error: %d)!\n", error); - } - - return error; -} - -void cyber_device_shutdown_character_device(void) -{ - cdev_del(&device.character); - unregister_chrdev_region(device.number, 1); -} diff --git a/src/cyber_device_device_class.c b/src/cyber_device_device_class.c deleted file mode 100644 index b908da1..0000000 --- a/src/cyber_device_device_class.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * 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); -} diff --git a/src/cyber_device_kernel_device.c b/src/cyber_device_kernel_device.c deleted file mode 100644 index 6a2be4b..0000000 --- a/src/cyber_device_kernel_device.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * 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 - -extern struct cyber_device device; - -static void cyber_device_close_kernel_device(struct device * device) -{ - printk(KERN_INFO DEV_NAME ": Closing kernel CYBER device\n"); -} - -int cyber_device_init_kernel_device(void) -{ - int error = 0; - - device.kernel.class = &device.class; - device.kernel.devt = device.number; - device.kernel.init_name = DEV_NAME; - device.kernel.release = cyber_device_close_kernel_device; - - if((error = device_register(&device.kernel))) - { - printk(KERN_ALERT DEV_NAME ": Failed to create CYBER device!\n"); - } - - return error; -} - -void cyber_device_shutdown_kernel_device(void) -{ - device_unregister(&device.kernel); -} diff --git a/src/cyber_file.c b/src/cyber_file.c deleted file mode 100644 index 4ff5581..0000000 --- a/src/cyber_file.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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_file.h" - -#include -#include -#include -#include -#include - -static unsigned char separator = ' '; -module_param(separator, byte, S_IRUGO); -MODULE_PARM_DESC(separator, "The string to separate the CYBER by"); - - -static char cyberPattern[] = {'!', 'C', 'Y', 'B', 'E', 'R', '!', ' '}; -static char * cyberSpace; - -/** - * Handler for CYBER device open events - * - * @param inode The kernel inode associated with the CYBER device - * @param file The kernel file associated with the CYBER device - * @return zero on success, non-zero otherwise - */ -static int cyber_file_open(struct inode * inode, struct file * file) -{ - return 0; -} - -/** - * Handler for CYBER device read events - * - * @param file The kernel file associated with the CYBER device - * @param buffer The user-space target buffer for all the CYBER - * @param size The size of the user-space buffer - * @param offset The offset into the CYBER - * @return The number of bytes that were read, negative on error - */ -static ssize_t cyber_file_read(struct file * file, char __user * buffer, size_t size, loff_t * offset) -{ - int const cyberChunks = (size + PAGE_SIZE - 1) / PAGE_SIZE; - int const cybersPerChunk = (size > PAGE_SIZE ? PAGE_SIZE : size) / 8; - int copiedCybers = 0; - - for(; copiedCybers < cyberChunks; ++copiedCybers) - { - if(raw_copy_to_user(buffer + copiedCybers * PAGE_SIZE, cyberSpace, cybersPerChunk * 8)) - { - return -EFAULT; - } - } - - return cyberChunks * cybersPerChunk * 8; -} - -static int cyber_file_mmap(struct file * file, struct vm_area_struct * vma) -{ - ssize_t vmaSize = vma->vm_end - vma->vm_start; - ssize_t offset = 0; - for(; vmaSize; vmaSize -= PAGE_SIZE, ++offset) - { - vm_insert_page(vma, vma->vm_start + offset * PAGE_SIZE, virt_to_page(cyberSpace)); - } - return 0; -} - -/** - * Handler for CYBER device write events - * - * @param file The kernel file associated with the CYBER device - * @param buffer The user-space source buffer for all the CYBER - * @param size The size of the user-space buffer - * @param offset The offset into the CYBER - * @param The number of bytes that were written, negative on error - */ -static ssize_t cyber_file_write(struct file * file, char __user const * buffer, size_t size, loff_t * offset) -{ - return size; -} - -/** - * Handler for CYBER device close events - * - * @param inode The kernel inode associated with the CYBER device - * @param file The kernel file associated with the CYBER device - * @param zero on success, non-zero otherwise - */ -static int cyber_file_close(struct inode * inode, struct file * file) -{ - return 0; -} - -struct file_operations const cyber_operations = { - .owner = THIS_MODULE, - .open = cyber_file_open, - .read = cyber_file_read, - .write = cyber_file_write, - .release = cyber_file_close, - .mmap = cyber_file_mmap, -}; - -int cyber_file_init(void) -{ - int i; - - printk(KERN_INFO DEV_NAME ": Initializing CYBER space\n"); - cyberSpace = (char *)__get_free_page(GFP_KERNEL); - if(!cyberSpace) - { - printk(KERN_ALERT DEV_NAME ": Out of CYBER space!\n"); - return ENOMEM; - } - - cyberPattern[7] = separator; - for(i = 0; i < PAGE_SIZE; ++i) - { - cyberSpace[i] = cyberPattern[i % 8]; - } - - return 0; -} - -void cyber_file_shutdown(void) -{ - printk(KERN_INFO DEV_NAME ": Releasing CYBER space\n"); - free_page((unsigned long)cyberSpace); -} diff --git a/src/cyber_lifecycle.c b/src/cyber_lifecycle.c deleted file mode 100644 index 02df37d..0000000 --- a/src/cyber_lifecycle.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * 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_device.h" -#include "cyber_file.h" -#include "cyber_lifecycle.h" - -#include - -int cyber_driver_init(void) -{ - int error; - - if((error = cyber_file_init())) - { - return error; - } - - if((error = cyber_device_init()) < 0) - { - cyber_file_shutdown(); - return error; - } - - return 0; -} - -void cyber_driver_exit(void) -{ - cyber_device_shutdown(); - cyber_file_shutdown(); -} - -module_init(cyber_driver_init) -module_exit(cyber_driver_exit) -- cgit v1.2.3