From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- kernel/power/tuxonice_ui.c | 247 --------------------------------------------- 1 file changed, 247 deletions(-) delete mode 100644 kernel/power/tuxonice_ui.c (limited to 'kernel/power/tuxonice_ui.c') diff --git a/kernel/power/tuxonice_ui.c b/kernel/power/tuxonice_ui.c deleted file mode 100644 index 76152f3ff..000000000 --- a/kernel/power/tuxonice_ui.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - * kernel/power/tuxonice_ui.c - * - * Copyright (C) 1998-2001 Gabor Kuti - * Copyright (C) 1998,2001,2002 Pavel Machek - * Copyright (C) 2002-2003 Florent Chabaud - * Copyright (C) 2002-2015 Nigel Cunningham (nigel at nigelcunningham com au) - * - * This file is released under the GPLv2. - * - * Routines for TuxOnIce's user interface. - * - * The user interface code talks to a userspace program via a - * netlink socket. - * - * The kernel side: - * - starts the userui program; - * - sends text messages and progress bar status; - * - * The user space side: - * - passes messages regarding user requests (abort, toggle reboot etc) - * - */ - -#define __KERNEL_SYSCALLS__ - -#include - -#include "tuxonice_sysfs.h" -#include "tuxonice_modules.h" -#include "tuxonice.h" -#include "tuxonice_ui.h" -#include "tuxonice_netlink.h" -#include "tuxonice_power_off.h" -#include "tuxonice_builtin.h" - -static char local_printf_buf[1024]; /* Same as printk - should be safe */ -struct ui_ops *toi_current_ui; - -/** - * toi_wait_for_keypress - Wait for keypress via userui or /dev/console. - * - * @timeout: Maximum time to wait. - * - * Wait for a keypress, either from userui or /dev/console if userui isn't - * available. The non-userui path is particularly for at boot-time, prior - * to userui being started, when we have an important warning to give to - * the user. - */ -static char toi_wait_for_keypress(int timeout) -{ - if (toi_current_ui && toi_current_ui->wait_for_key(timeout)) - return ' '; - - return toi_wait_for_keypress_dev_console(timeout); -} - -/* toi_early_boot_message() - * Description: Handle errors early in the process of booting. - * The user may press C to continue booting, perhaps - * invalidating the image, or space to reboot. - * This works from either the serial console or normally - * attached keyboard. - * - * Note that we come in here from init, while the kernel is - * locked. If we want to get events from the serial console, - * we need to temporarily unlock the kernel. - * - * toi_early_boot_message may also be called post-boot. - * In this case, it simply printks the message and returns. - * - * Arguments: int Whether we are able to erase the image. - * int default_answer. What to do when we timeout. This - * will normally be continue, but the user might - * provide command line options (__setup) to override - * particular cases. - * Char *. Pointer to a string explaining why we're moaning. - */ - -#define say(message, a...) printk(KERN_EMERG message, ##a) - -void toi_early_boot_message(int message_detail, int default_answer, - char *warning_reason, ...) -{ -#if defined(CONFIG_VT) || defined(CONFIG_SERIAL_CONSOLE) - unsigned long orig_state = get_toi_state(), continue_req = 0; - unsigned long orig_loglevel = console_loglevel; - int can_ask = 1; -#else - int can_ask = 0; -#endif - - va_list args; - int printed_len; - - if (!toi_wait) { - set_toi_state(TOI_CONTINUE_REQ); - can_ask = 0; - } - - if (warning_reason) { - va_start(args, warning_reason); - printed_len = vsnprintf(local_printf_buf, - sizeof(local_printf_buf), - warning_reason, - args); - va_end(args); - } - - if (!test_toi_state(TOI_BOOT_TIME)) { - printk("TuxOnIce: %s\n", local_printf_buf); - return; - } - - if (!can_ask) { - continue_req = !!default_answer; - goto post_ask; - } - -#if defined(CONFIG_VT) || defined(CONFIG_SERIAL_CONSOLE) - console_loglevel = 7; - - say("=== TuxOnIce ===\n\n"); - if (warning_reason) { - say("BIG FAT WARNING!! %s\n\n", local_printf_buf); - switch (message_detail) { - case 0: - say("If you continue booting, note that any image WILL" - "NOT BE REMOVED.\nTuxOnIce is unable to do so " - "because the appropriate modules aren't\n" - "loaded. You should manually remove the image " - "to avoid any\npossibility of corrupting your " - "filesystem(s) later.\n"); - break; - case 1: - say("If you want to use the current TuxOnIce image, " - "reboot and try\nagain with the same kernel " - "that you hibernated from. If you want\n" - "to forget that image, continue and the image " - "will be erased.\n"); - break; - } - say("Press SPACE to reboot or C to continue booting with " - "this kernel\n\n"); - if (toi_wait > 0) - say("Default action if you don't select one in %d " - "seconds is: %s.\n", - toi_wait, - default_answer == TOI_CONTINUE_REQ ? - "continue booting" : "reboot"); - } else { - say("BIG FAT WARNING!!\n\n" - "You have tried to resume from this image before.\n" - "If it failed once, it may well fail again.\n" - "Would you like to remove the image and boot " - "normally?\nThis will be equivalent to entering " - "noresume on the\nkernel command line.\n\n" - "Press SPACE to remove the image or C to continue " - "resuming.\n\n"); - if (toi_wait > 0) - say("Default action if you don't select one in %d " - "seconds is: %s.\n", toi_wait, - !!default_answer ? - "continue resuming" : "remove the image"); - } - console_loglevel = orig_loglevel; - - set_toi_state(TOI_SANITY_CHECK_PROMPT); - clear_toi_state(TOI_CONTINUE_REQ); - - if (toi_wait_for_keypress(toi_wait) == 0) /* We timed out */ - continue_req = !!default_answer; - else - continue_req = test_toi_state(TOI_CONTINUE_REQ); - -#endif /* CONFIG_VT or CONFIG_SERIAL_CONSOLE */ - -post_ask: - if ((warning_reason) && (!continue_req)) - kernel_restart(NULL); - - restore_toi_state(orig_state); - if (continue_req) - set_toi_state(TOI_CONTINUE_REQ); -} - -#undef say - -/* - * User interface specific /sys/power/tuxonice entries. - */ - -static struct toi_sysfs_data sysfs_params[] = { -#if defined(CONFIG_NET) && defined(CONFIG_SYSFS) - SYSFS_INT("default_console_level", SYSFS_RW, - &toi_bkd.toi_default_console_level, 0, 7, 0, NULL), - SYSFS_UL("debug_sections", SYSFS_RW, &toi_bkd.toi_debug_state, 0, - 1 << 30, 0), - SYSFS_BIT("log_everything", SYSFS_RW, &toi_bkd.toi_action, TOI_LOGALL, - 0) -#endif -}; - -static struct toi_module_ops userui_ops = { - .type = MISC_HIDDEN_MODULE, - .name = "printk ui", - .directory = "user_interface", - .module = THIS_MODULE, - .sysfs_data = sysfs_params, - .num_sysfs_entries = sizeof(sysfs_params) / - sizeof(struct toi_sysfs_data), -}; - -int toi_register_ui_ops(struct ui_ops *this_ui) -{ - if (toi_current_ui) { - printk(KERN_INFO "Only one TuxOnIce user interface module can " - "be loaded at a time."); - return -EBUSY; - } - - toi_current_ui = this_ui; - - return 0; -} - -void toi_remove_ui_ops(struct ui_ops *this_ui) -{ - if (toi_current_ui != this_ui) - return; - - toi_current_ui = NULL; -} - -/* toi_console_sysfs_init - * Description: Boot time initialisation for user interface. - */ - -int toi_ui_init(void) -{ - return toi_register_module(&userui_ops); -} - -void toi_ui_exit(void) -{ - toi_unregister_module(&userui_ops); -} -- cgit v1.2.3-54-g00ecf