1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 /* We only support root disk discovery for x86, x86-64 and ARM for
27 * now, since EFI for anything else doesn't really exist, and we only
28 * care for root partitions on the same disk as the EFI ESP. */
30 #define GPT_ROOT_X86 SD_ID128_MAKE(44,47,95,40,f2,97,41,b2,9a,f7,d1,31,d5,f0,45,8a)
31 #define GPT_ROOT_X86_64 SD_ID128_MAKE(4f,68,bc,e3,e8,cd,4d,b1,96,e7,fb,ca,f9,84,b7,09)
32 #define GPT_ROOT_ARM SD_ID128_MAKE(69,da,d7,10,2c,e4,4e,3c,b1,6c,21,a1,d4,9a,be,d3)
33 #define GPT_ROOT_ARM_64 SD_ID128_MAKE(b9,21,b0,45,1d,f0,41,c3,af,44,4c,6f,28,0d,3f,ae)
35 #define GPT_ESP SD_ID128_MAKE(c1,2a,73,28,f8,1f,11,d2,ba,4b,00,a0,c9,3e,c9,3b)
36 #define GPT_SWAP SD_ID128_MAKE(06,57,fd,6d,a4,ab,43,c4,84,e5,09,33,c8,4b,4f,4f)
37 #define GPT_HOME SD_ID128_MAKE(93,3a,c7,e1,2e,b4,4f,13,b8,44,0e,14,e2,ae,f9,15)
38 #define GPT_SRV SD_ID128_MAKE(3b,8f,84,25,20,e0,4f,3b,90,7f,1a,25,a7,6f,98,e8)
40 #if defined(__x86_64__)
41 # define GPT_ROOT_NATIVE GPT_ROOT_X86_64
42 # define GPT_ROOT_SECONDARY GPT_ROOT_X86
43 #elif defined(__i386__)
44 # define GPT_ROOT_NATIVE GPT_ROOT_X86
47 #if defined(__aarch64__) && (__BYTE_ORDER != __BIG_ENDIAN)
48 # define GPT_ROOT_NATIVE GPT_ROOT_ARM_64
49 # define GPT_ROOT_SECONDARY GPT_ROOT_ARM
50 #elif defined(__arm__) && (__BYTE_ORDER != __BIG_ENDIAN)
51 # define GPT_ROOT_NATIVE GPT_ROOT_ARM
54 /* Flags we recognize on the root, swap, home and srv partitions when
55 * doing auto-discovery. These happen to be identical to what
56 * Microsoft defines for its own Basic Data Partitions, but that's
57 * just because we saw no point in defining any other values here. */
58 #define GPT_FLAG_READ_ONLY (1ULL << 60)
59 #define GPT_FLAG_NO_AUTO (1ULL << 63)