fastbootd: erase, boot and partitioning commands
Change-Id: I49ba2ba2e002fd5b6bbd37cc3fd0caa106f42010
diff --git a/fastbootd/commands/partitions.h b/fastbootd/commands/partitions.h
new file mode 100644
index 0000000..f2d590f
--- /dev/null
+++ b/fastbootd/commands/partitions.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2009-2013, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google, Inc. nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+#ifndef __FASTBOOTD_PATITIONS_
+#define __FASTBOOTD_PATITIONS_
+
+#include <stdint.h>
+
+#define GPT_ENTRIES 128
+#define GPT_NAMELEN 36
+
+// it should be passed in little endian order
+struct GPT_entry_raw {
+ uint8_t type_guid[16];
+ uint8_t partition_guid[16];
+ uint64_t first_lba; // little endian
+ uint64_t last_lba;
+ uint64_t flags;
+ uint16_t name[GPT_NAMELEN]; // UTF-16 LE
+};
+
+struct GPT_mapping {
+ void *map_ptr;
+ void *ptr;
+ unsigned size;
+};
+
+struct GPT_entry_table {
+ int fd;
+
+ struct GPT_mapping header_map;
+ struct GPT_mapping entries_map;
+ struct GPT_mapping sec_header_map;
+ struct GPT_mapping sec_entries_map;
+
+ struct GPT_header *header;
+ struct GPT_entry_raw *entries;
+ struct GPT_header *second_header;
+ struct GPT_entry_raw *second_entries;
+
+ unsigned sector_size;
+ unsigned partition_table_size;
+ int second_valid;
+};
+
+struct GPT_header {
+ uint8_t signature[8];
+ uint32_t revision;
+ uint32_t header_size;
+ uint32_t header_checksum;
+ uint32_t reserved_zeros;
+ uint64_t current_lba;
+ uint64_t backup_lba;
+ uint64_t first_usable_lba;
+ uint64_t last_usable_lba;
+ uint8_t disk_guid[16];
+ uint64_t entries_lba;
+ uint32_t entries_count;
+ uint32_t entry_size;
+ uint32_t partition_array_checksum;
+ // the rest should be filled with zeros
+} __attribute__((packed));
+
+struct GPT_content {
+ struct GPT_header header;
+ struct GPT_entry_raw *entries;
+};
+
+
+struct GPT_entry_table* GPT_get_device(const char *, unsigned lba);
+
+void GPT_release_device(struct GPT_entry_table *);
+
+void GPT_edit_entry(struct GPT_entry_table *table,
+ struct GPT_entry_raw *old_entry,
+ struct GPT_entry_raw *new_entry);
+
+int GPT_delete_entry(struct GPT_entry_table *table, struct GPT_entry_raw *entry);
+
+void GPT_add_entry(struct GPT_entry_table *table, struct GPT_entry_raw *entry);
+
+struct GPT_entry_raw *GPT_get_pointer(struct GPT_entry_table *table, struct GPT_entry_raw *entry);
+struct GPT_entry_raw *GPT_get_pointer_by_guid(struct GPT_entry_table *, const char *);
+struct GPT_entry_raw *GPT_get_pointer_by_name(struct GPT_entry_table *, const char *);
+
+//Use after every edit operation
+void GPT_sync();
+
+void GPT_to_UTF16(uint16_t *, const char *, int );
+void GPT_from_UTF16(char *, const uint16_t *, int);
+
+int GPT_parse_entry(char *string, struct GPT_entry_raw *entry);
+
+void GPT_default_content(struct GPT_content *content, struct GPT_entry_table *table);
+
+void GPT_release_content(struct GPT_content *content);
+
+int GPT_parse_file(int fd, struct GPT_content *content);
+
+int GPT_write_content(const char *device, struct GPT_content *content);
+
+int gpt_mmap(struct GPT_mapping *mapping, uint64_t location, int size, int fd);
+
+void gpt_unmap(struct GPT_mapping *mapping);
+
+#endif