237 	struct vhdx_header header;  in vhdx_write_headers()  local
241 	memset(&header, 0, sizeof(header));  in vhdx_write_headers()
242 	le32enc(&header.signature, VHDX_HEADER_SIGNATURE);  in vhdx_write_headers()
243 	le32enc(&header.sequence_number, 0);  in vhdx_write_headers()
244 	le16enc(&header.log_version, 0);  in vhdx_write_headers()
245 	le16enc(&header.version, 1);  in vhdx_write_headers()
246 	le32enc(&header.log_length, SIZE_1MB);  in vhdx_write_headers()
247 	le64enc(&header.log_offset, SIZE_1MB);  in vhdx_write_headers()
248 	checksum = crc32c(&header, sizeof(header));  in vhdx_write_headers()
249 	le32enc(&header.checksum, checksum);  in vhdx_write_headers()
250 	error = vhdx_write_and_pad(fd, &header, sizeof(header), SIZE_64KB);  in vhdx_write_headers()
255 	le32enc(&header.sequence_number, 1);  in vhdx_write_headers()
256 	header.checksum = 0;  in vhdx_write_headers()
257 	checksum = crc32c(&header, sizeof(header));  in vhdx_write_headers()
258 	le32enc(&header.checksum, checksum);  in vhdx_write_headers()
259 	return vhdx_write_and_pad(fd, &header, sizeof(header), SIZE_64KB);  in vhdx_write_headers()
267 	struct vhdx_region_table_header header;  in vhdx_write_region_tables()  local
276 	memset(&header, 0, sizeof(header));  in vhdx_write_region_tables()
277 	le32enc(&header.signature, VHDX_REGION_TABLE_HEADER_SIGNATURE);  in vhdx_write_region_tables()
278 	le32enc(&header.entry_count, 2);  in vhdx_write_region_tables()
279 	memcpy(region_table, &header, sizeof(header));  in vhdx_write_region_tables()
285 	memcpy(region_table + sizeof(header),  in vhdx_write_region_tables()
292 	memcpy(region_table + sizeof(header) + sizeof(entry),  in vhdx_write_region_tables()
321 	struct vhdx_metadata_table_header header;  in vhdx_write_metadata()  local
331 	memset(&header, 0, sizeof(header));  in vhdx_write_metadata()
334 	le64enc(&header.signature, VHDX_METADATA_TABLE_HEADER_SIGNATURE);  in vhdx_write_metadata()
335 	le16enc(&header.entry_count, 5);  in vhdx_write_metadata()
336 	memcpy(metadata, &header, sizeof(header));  in vhdx_write_metadata()
337 	header_ptr = sizeof(header);  in vhdx_write_metadata()