block/add-cow.h

   1 #ifndef QEMU_ADD_COW_H
   2 #include <sys/types.h>
   3 #include <stdint.h>
   4 #include <stdio.h>
   5 #include <stdio.h>
   6 #include <errno.h>
   7
   8 #include "qemu-common.h"
   9
  10 struct add_cow_head {
  11     char backing_file[1024];
  12     char backing_format[1024];
  13     uint64_t size;
  14 };
  15
  16 int get_add_cow_head(const char * add_cow_file, struct add_cow_head* p);
  17 int create_cow_file(const char *backing_file,const char *backing_format, const char *cow_file, uint64_t size);
  18 int my_cow_update_bitmap(BlockDriverState *bs, int64_t sector_num,int nb_sectors);
  19 int my_cow_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *num_same);
  20 inline int my_is_bit_set(BlockDriverState *bs, int64_t bitnum);
  21 inline int my_cow_set_bit(BlockDriverState *bs, int64_t bitnum);
  22
  23 #endif
  24