1 files changed, 106 insertions, 0 deletions
diff --git a/kernel/power/tuxonice_pageflags.h b/kernel/power/tuxonice_pageflags.h
new file mode 100644
index 000000000..ddeeaf1e7
--- /dev/null
+++ b/kernel/power/tuxonice_pageflags.h
@@ -0,0 +1,106 @@
+/*
+ * kernel/power/tuxonice_pageflags.h
+ *
+ * Copyright (C) 2004-2015 Nigel Cunningham (nigel at nigelcunningham com au)
+ *
+ * This file is released under the GPLv2.
+ */
+
+#ifndef KERNEL_POWER_TUXONICE_PAGEFLAGS_H
+#define KERNEL_POWER_TUXONICE_PAGEFLAGS_H
+
+struct  memory_bitmap;
+void memory_bm_free(struct memory_bitmap *bm, int clear_nosave_free);
+void memory_bm_clear(struct memory_bitmap *bm);
+
+int mem_bm_set_bit_check(struct memory_bitmap *bm, int index, unsigned long pfn);
+void memory_bm_set_bit(struct memory_bitmap *bm, int index, unsigned long pfn);
+unsigned long memory_bm_next_pfn(struct memory_bitmap *bm, int index);
+unsigned long memory_bm_next_pfn_index(struct memory_bitmap *bm, int index);
+void memory_bm_position_reset(struct memory_bitmap *bm);
+void memory_bm_free(struct memory_bitmap *bm, int clear_nosave_free);
+int toi_alloc_bitmap(struct memory_bitmap **bm);
+void toi_free_bitmap(struct memory_bitmap **bm);
+void memory_bm_clear(struct memory_bitmap *bm);
+void memory_bm_clear_bit(struct memory_bitmap *bm, int index, unsigned long pfn);
+void memory_bm_set_bit(struct memory_bitmap *bm, int index, unsigned long pfn);
+int memory_bm_test_bit(struct memory_bitmap *bm, int index, unsigned long pfn);
+int memory_bm_test_bit_index(struct memory_bitmap *bm, int index, unsigned long pfn);
+void memory_bm_clear_bit_index(struct memory_bitmap *bm, int index, unsigned long pfn);
+
+struct toi_module_ops;
+int memory_bm_write(struct memory_bitmap *bm, int (*rw_chunk)
+        (int rw, struct toi_module_ops *owner, char *buffer, int buffer_size));
+int memory_bm_read(struct memory_bitmap *bm, int (*rw_chunk)
+        (int rw, struct toi_module_ops *owner, char *buffer, int buffer_size));
+int memory_bm_space_needed(struct memory_bitmap *bm);
+
+extern struct memory_bitmap *pageset1_map;
+extern struct memory_bitmap *pageset1_copy_map;
+extern struct memory_bitmap *pageset2_map;
+extern struct memory_bitmap *page_resave_map;
+extern struct memory_bitmap *io_map;
+extern struct memory_bitmap *nosave_map;
+extern struct memory_bitmap *free_map;
+extern struct memory_bitmap *compare_map;
+
+#define PagePageset1(page) \
+        (pageset1_map && memory_bm_test_bit(pageset1_map, smp_processor_id(), page_to_pfn(page)))
+#define SetPagePageset1(page) \
+        (memory_bm_set_bit(pageset1_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPagePageset1(page) \
+        (memory_bm_clear_bit(pageset1_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PagePageset1Copy(page) \
+        (memory_bm_test_bit(pageset1_copy_map, smp_processor_id(), page_to_pfn(page)))
+#define SetPagePageset1Copy(page) \
+        (memory_bm_set_bit(pageset1_copy_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPagePageset1Copy(page) \
+        (memory_bm_clear_bit(pageset1_copy_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PagePageset2(page) \
+        (memory_bm_test_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+#define SetPagePageset2(page) \
+        (memory_bm_set_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPagePageset2(page) \
+        (memory_bm_clear_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PageWasRW(page) \
+        (memory_bm_test_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+#define SetPageWasRW(page) \
+        (memory_bm_set_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPageWasRW(page) \
+        (memory_bm_clear_bit(pageset2_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PageResave(page) (page_resave_map ? \
+        memory_bm_test_bit(page_resave_map, smp_processor_id(), page_to_pfn(page)) : 0)
+#define SetPageResave(page) \
+        (memory_bm_set_bit(page_resave_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPageResave(page) \
+        (memory_bm_clear_bit(page_resave_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PageNosave(page) (nosave_map ? \
+        memory_bm_test_bit(nosave_map, smp_processor_id(), page_to_pfn(page)) : 0)
+#define SetPageNosave(page) \
+        (mem_bm_set_bit_check(nosave_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPageNosave(page) \
+        (memory_bm_clear_bit(nosave_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PageNosaveFree(page) (free_map ? \
+                memory_bm_test_bit(free_map, smp_processor_id(), page_to_pfn(page)) : 0)
+#define SetPageNosaveFree(page) \
+        (memory_bm_set_bit(free_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPageNosaveFree(page) \
+        (memory_bm_clear_bit(free_map, smp_processor_id(), page_to_pfn(page)))
+
+#define PageCompareChanged(page) (compare_map ? \
+                memory_bm_test_bit(compare_map, smp_processor_id(), page_to_pfn(page)) : 0)
+#define SetPageCompareChanged(page) \
+        (memory_bm_set_bit(compare_map, smp_processor_id(), page_to_pfn(page)))
+#define ClearPageCompareChanged(page) \
+        (memory_bm_clear_bit(compare_map, smp_processor_id(), page_to_pfn(page)))
+
+extern void save_pageflags(struct memory_bitmap *pagemap);
+extern int load_pageflags(struct memory_bitmap *pagemap);
+extern int toi_pageflags_space_needed(void);
+#endif