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-rw-r--r--kernel/power/tuxonice_ui.c247
1 files changed, 0 insertions, 247 deletions
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 <seasons@fornax.hu>
- * Copyright (C) 1998,2001,2002 Pavel Machek <pavel@suse.cz>
- * Copyright (C) 2002-2003 Florent Chabaud <fchabaud@free.fr>
- * 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 <linux/reboot.h>
-
-#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);
-}
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