Initial import

1 files changed, 72 insertions, 0 deletions

diff --git a/kernel/power/tuxonice_io.h b/kernel/power/tuxonice_io.h
new file mode 100644
index 000000000..56645a5c6
--- /dev/null
+++ b/kernel/power/tuxonice_io.h
@@ -0,0 +1,72 @@
+/*
+ * kernel/power/tuxonice_io.h
+ *
+ * Copyright (C) 2005-2015 Nigel Cunningham (nigel at nigelcunningham com au)
+ *
+ * This file is released under the GPLv2.
+ *
+ * It contains high level IO routines for hibernating.
+ *
+ */
+
+#include <linux/utsname.h>
+#include "tuxonice_pagedir.h"
+
+/* Non-module data saved in our image header */
+struct toi_header {
+	/*
+	 * Mirror struct swsusp_info, but without
+	 * the page aligned attribute
+	 */
+	struct new_utsname uts;
+	u32 version_code;
+	unsigned long num_physpages;
+	int cpus;
+	unsigned long image_pages;
+	unsigned long pages;
+	unsigned long size;
+
+	/* Our own data */
+	unsigned long orig_mem_free;
+	int page_size;
+	int pageset_2_size;
+	int param0;
+	int param1;
+	int param2;
+	int param3;
+	int progress0;
+	int progress1;
+	int progress2;
+	int progress3;
+	int io_time[2][2];
+	struct pagedir pagedir;
+	dev_t root_fs;
+	unsigned long bkd; /* Boot kernel data locn */
+};
+
+extern int write_pageset(struct pagedir *pagedir);
+extern int write_image_header(void);
+extern int read_pageset1(void);
+extern int read_pageset2(int overwrittenpagesonly);
+
+extern int toi_attempt_to_parse_resume_device(int quiet);
+extern void attempt_to_parse_resume_device2(void);
+extern void attempt_to_parse_alt_resume_param(void);
+int image_exists_read(const char *page, int count);
+int image_exists_write(const char *buffer, int count);
+extern void save_restore_alt_param(int replace, int quiet);
+extern atomic_t toi_io_workers;
+
+/* Args to save_restore_alt_param */
+#define RESTORE 0
+#define SAVE 1
+
+#define NOQUIET 0
+#define QUIET 1
+
+extern wait_queue_head_t toi_io_queue_flusher;
+extern int toi_bio_queue_flusher_should_finish;
+
+int fs_info_space_needed(void);
+
+extern int toi_max_workers;