1 /* 2 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __PARTITION_H__ 32 #define __PARTITION_H__ 33 34 #include <cassert.h> 35 #include <types.h> 36 37 #if !PLAT_PARTITION_MAX_ENTRIES 38 # define PLAT_PARTITION_MAX_ENTRIES 128 39 #endif /* PLAT_PARTITION_MAX_ENTRIES */ 40 41 CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); 42 43 #define PARTITION_BLOCK_SIZE 512 44 45 #define EFI_NAMELEN 36 46 47 typedef struct partition_entry { 48 uint64_t start; 49 uint64_t length; 50 char name[EFI_NAMELEN]; 51 } partition_entry_t; 52 53 typedef struct partition_entry_list { 54 partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; 55 int entry_count; 56 } partition_entry_list_t; 57 58 int load_partition_table(unsigned int image_id); 59 const partition_entry_t *get_partition_entry(const char *name); 60 const partition_entry_list_t *get_partition_entry_list(void); 61 void partition_init(unsigned int image_id); 62 63 #endif /* __PARTITION_H__ */ 64