partition: check GPT partition table

Now only support GPT partition table. MBR partition table isn't
supported yet.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/drivers/partition/partition.h b/include/drivers/partition/partition.h
new file mode 100644
index 00000000..9d7221dd
--- /dev/null
+++ b/include/drivers/partition/partition.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2016, ARM Limited and Contributors. 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 ARM 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 HOLDER 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 __PARTITION_H__
+#define __PARTITION_H__
+
+#include <cassert.h>
+#include <types.h>
+
+#if !PLAT_PARTITION_MAX_ENTRIES
+# define PLAT_PARTITION_MAX_ENTRIES	128
+#endif	/* PLAT_PARTITION_MAX_ENTRIES */
+
+CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries);
+
+#define PARTITION_BLOCK_SIZE		512
+
+#define EFI_NAMELEN			36
+
+typedef struct partition_entry {
+	uint64_t		start;
+	uint64_t		length;
+	char			name[EFI_NAMELEN];
+} partition_entry_t;
+
+typedef struct partition_entry_list {
+	partition_entry_t	list[PLAT_PARTITION_MAX_ENTRIES];
+	int			entry_count;
+} partition_entry_list_t;
+
+int load_partition_table(unsigned int image_id);
+const partition_entry_t *get_partition_entry(const char *name);
+const partition_entry_list_t *get_partition_entry_list(void);
+void partition_init(unsigned int image_id);
+
+#endif	/* __PARTITION_H__ */