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Diffstat (limited to 'kernel/power/tuxonice.h')
| -rw-r--r-- | kernel/power/tuxonice.h | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/kernel/power/tuxonice.h b/kernel/power/tuxonice.h deleted file mode 100644 index 10b65633f..000000000 --- a/kernel/power/tuxonice.h +++ /dev/null @@ -1,260 +0,0 @@ -/* - * kernel/power/tuxonice.h - * - * Copyright (C) 2004-2015 Nigel Cunningham (nigel at nigelcunningham com au) - * - * This file is released under the GPLv2. - * - * It contains declarations used throughout swsusp. - * - */ - -#ifndef KERNEL_POWER_TOI_H -#define KERNEL_POWER_TOI_H - -#include <linux/delay.h> -#include <linux/bootmem.h> -#include <linux/suspend.h> -#include <linux/fs.h> -#include <asm/setup.h> -#include "tuxonice_pageflags.h" -#include "power.h" - -#define TOI_CORE_VERSION "3.3" -#define TOI_HEADER_VERSION 3 -#define MY_BOOT_KERNEL_DATA_VERSION 4 - -struct toi_boot_kernel_data { - int version; - int size; - unsigned long toi_action; - unsigned long toi_debug_state; - u32 toi_default_console_level; - int toi_io_time[2][2]; - char toi_nosave_commandline[COMMAND_LINE_SIZE]; - unsigned long pages_used[33]; - unsigned long incremental_bytes_in; - unsigned long incremental_bytes_out; - unsigned long compress_bytes_in; - unsigned long compress_bytes_out; - unsigned long pruned_pages; -}; - -extern struct toi_boot_kernel_data toi_bkd; - -/* Location of book kernel data struct in kernel being resumed */ -extern unsigned long boot_kernel_data_buffer; - -/* == Action states == */ - -enum { - TOI_REBOOT, - TOI_PAUSE, - TOI_LOGALL, - TOI_CAN_CANCEL, - TOI_KEEP_IMAGE, - TOI_FREEZER_TEST, - TOI_SINGLESTEP, - TOI_PAUSE_NEAR_PAGESET_END, - TOI_TEST_FILTER_SPEED, - TOI_TEST_BIO, - TOI_NO_PAGESET2, - TOI_IGNORE_ROOTFS, - TOI_REPLACE_SWSUSP, - TOI_PAGESET2_FULL, - TOI_ABORT_ON_RESAVE_NEEDED, - TOI_NO_MULTITHREADED_IO, - TOI_NO_DIRECT_LOAD, /* Obsolete */ - TOI_LATE_CPU_HOTPLUG, /* Obsolete */ - TOI_GET_MAX_MEM_ALLOCD, - TOI_NO_FLUSHER_THREAD, - TOI_NO_PS2_IF_UNNEEDED, - TOI_POST_RESUME_BREAKPOINT, - TOI_NO_READAHEAD, - TOI_TRACE_DEBUG_ON, - TOI_INCREMENTAL_IMAGE, -}; - -extern unsigned long toi_bootflags_mask; - -#define clear_action_state(bit) (test_and_clear_bit(bit, &toi_bkd.toi_action)) - -/* == Result states == */ - -enum { - TOI_ABORTED, - TOI_ABORT_REQUESTED, - TOI_NOSTORAGE_AVAILABLE, - TOI_INSUFFICIENT_STORAGE, - TOI_FREEZING_FAILED, - TOI_KEPT_IMAGE, - TOI_WOULD_EAT_MEMORY, - TOI_UNABLE_TO_FREE_ENOUGH_MEMORY, - TOI_PM_SEM, - TOI_DEVICE_REFUSED, - TOI_SYSDEV_REFUSED, - TOI_EXTRA_PAGES_ALLOW_TOO_SMALL, - TOI_UNABLE_TO_PREPARE_IMAGE, - TOI_FAILED_MODULE_INIT, - TOI_FAILED_MODULE_CLEANUP, - TOI_FAILED_IO, - TOI_OUT_OF_MEMORY, - TOI_IMAGE_ERROR, - TOI_PLATFORM_PREP_FAILED, - TOI_CPU_HOTPLUG_FAILED, - TOI_ARCH_PREPARE_FAILED, /* Removed Linux-3.0 */ - TOI_RESAVE_NEEDED, - TOI_CANT_SUSPEND, - TOI_NOTIFIERS_PREPARE_FAILED, - TOI_PRE_SNAPSHOT_FAILED, - TOI_PRE_RESTORE_FAILED, - TOI_USERMODE_HELPERS_ERR, - TOI_CANT_USE_ALT_RESUME, - TOI_HEADER_TOO_BIG, - TOI_WAKEUP_EVENT, - TOI_SYSCORE_REFUSED, - TOI_DPM_PREPARE_FAILED, - TOI_DPM_SUSPEND_FAILED, - TOI_NUM_RESULT_STATES /* Used in printing debug info only */ -}; - -extern unsigned long toi_result; - -#define set_result_state(bit) (test_and_set_bit(bit, &toi_result)) -#define set_abort_result(bit) (test_and_set_bit(TOI_ABORTED, &toi_result), \ - test_and_set_bit(bit, &toi_result)) -#define clear_result_state(bit) (test_and_clear_bit(bit, &toi_result)) -#define test_result_state(bit) (test_bit(bit, &toi_result)) - -/* == Debug sections and levels == */ - -/* debugging levels. */ -enum { - TOI_STATUS = 0, - TOI_ERROR = 2, - TOI_LOW, - TOI_MEDIUM, - TOI_HIGH, - TOI_VERBOSE, -}; - -enum { - TOI_ANY_SECTION, - TOI_EAT_MEMORY, - TOI_IO, - TOI_HEADER, - TOI_WRITER, - TOI_MEMORY, - TOI_PAGEDIR, - TOI_COMPRESS, - TOI_BIO, -}; - -#define set_debug_state(bit) (test_and_set_bit(bit, &toi_bkd.toi_debug_state)) -#define clear_debug_state(bit) \ - (test_and_clear_bit(bit, &toi_bkd.toi_debug_state)) -#define test_debug_state(bit) (test_bit(bit, &toi_bkd.toi_debug_state)) - -/* == Steps in hibernating == */ - -enum { - STEP_HIBERNATE_PREPARE_IMAGE, - STEP_HIBERNATE_SAVE_IMAGE, - STEP_HIBERNATE_POWERDOWN, - STEP_RESUME_CAN_RESUME, - STEP_RESUME_LOAD_PS1, - STEP_RESUME_DO_RESTORE, - STEP_RESUME_READ_PS2, - STEP_RESUME_GO, - STEP_RESUME_ALT_IMAGE, - STEP_CLEANUP, - STEP_QUIET_CLEANUP -}; - -/* == TuxOnIce states == - (see also include/linux/suspend.h) */ - -#define get_toi_state() (toi_state) -#define restore_toi_state(saved_state) \ - do { toi_state = saved_state; } while (0) - -/* == Module support == */ - -struct toi_core_fns { - int (*post_context_save)(void); - unsigned long (*get_nonconflicting_page)(void); - int (*try_hibernate)(void); - void (*try_resume)(void); -}; - -extern struct toi_core_fns *toi_core_fns; - -/* == All else == */ -#define KB(x) ((x) << (PAGE_SHIFT - 10)) -#define MB(x) ((x) >> (20 - PAGE_SHIFT)) - -extern int toi_start_anything(int toi_or_resume); -extern void toi_finish_anything(int toi_or_resume); - -extern int save_image_part1(void); -extern int toi_atomic_restore(void); - -extern int toi_try_hibernate(void); -extern void toi_try_resume(void); - -extern int __toi_post_context_save(void); - -extern unsigned int nr_hibernates; -extern char alt_resume_param[256]; - -extern void copyback_post(void); -extern int toi_hibernate(void); -extern unsigned long extra_pd1_pages_used; - -#define SECTOR_SIZE 512 - -extern void toi_early_boot_message(int can_erase_image, int default_answer, - char *warning_reason, ...); - -extern int do_check_can_resume(void); -extern int do_toi_step(int step); -extern int toi_launch_userspace_program(char *command, int channel_no, - int wait, int debug); - -extern char tuxonice_signature[9]; - -extern int toi_start_other_threads(void); -extern void toi_stop_other_threads(void); - -extern int toi_trace_index; -#define TOI_TRACE_DEBUG(PFN, DESC, ...) \ - do { \ - if (test_action_state(TOI_TRACE_DEBUG_ON)) { \ - printk("*TOI* %ld %02d" DESC "\n", PFN, toi_trace_index, ##__VA_ARGS__); \ - } \ - } while(0) - -#ifdef CONFIG_TOI_KEEP_IMAGE -#define toi_keeping_image (test_action_state(TOI_KEEP_IMAGE) || test_action_state(TOI_INCREMENTAL_IMAGE)) -#else -#define toi_keeping_image (0) -#endif - -#ifdef CONFIG_TOI_INCREMENTAL -extern void toi_reset_dirtiness_one(unsigned long pfn, int verbose); -extern int toi_reset_dirtiness(int verbose); -extern void toi_cbw_write(void); -extern void toi_cbw_restore(void); -extern int toi_allocate_cbw_data(void); -extern void toi_free_cbw_data(void); -extern int toi_cbw_init(void); -extern void toi_mark_tasks_cbw(void); -#else -static inline int toi_reset_dirtiness(int verbose) { return 0; } -#define toi_cbw_write() do { } while(0) -#define toi_cbw_restore() do { } while(0) -#define toi_allocate_cbw_data() do { } while(0) -#define toi_free_cbw_data() do { } while(0) -static inline int toi_cbw_init(void) { return 0; } -#endif -#endif |