X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fgpt.h;h=add1df420f6160da847d1b637e067bed36caf922;hp=2956377b48e02206f58b7441977610ceba0b5d94;hb=8eb444001b790b0c16369ceb1420afde4c1e5b24;hpb=e48fdd84432bbf9c2ecc339183258c7c33116032

diff --git a/src/shared/gpt.h b/src/shared/gpt.h
index 2956377b4..add1df420 100644
--- a/src/shared/gpt.h
+++ b/src/shared/gpt.h
@@ -19,10 +19,45 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
+#include <endian.h>
+
 #include "sd-id128.h"
 
-#define GPT_ESP  SD_ID128_MAKE(c1,2a,73,28,f8,1f,11,d2,ba,4b,00,a0,c9,3e,c9,3b)
-#define GPT_ROOT SD_ID128_MAKE(4f,68,bc,e3,e8,cd,4d,b1,96,e7,fb,ca,f9,84,b7,09)
-#define GPT_SWAP SD_ID128_MAKE(06,57,fd,6d,a4,ab,43,c4,84,e5,09,33,c8,4b,4f,4f)
-#define GPT_HOME SD_ID128_MAKE(93,3a,c7,e1,2e,b4,4f,13,b8,44,0e,14,e2,ae,f9,15)
-#define GPT_SRV  SD_ID128_MAKE(3b,8f,84,25,20,e0,4f,3b,90,7f,1a,25,a7,6f,98,e8)
+/* We only support root disk discovery for x86, x86-64 and ARM for
+ * now, since EFI for anything else doesn't really exist, and we only
+ * care for root partitions on the same disk as the EFI ESP. */
+
+#define GPT_ROOT_X86    SD_ID128_MAKE(44,47,95,40,f2,97,41,b2,9a,f7,d1,31,d5,f0,45,8a)
+#define GPT_ROOT_X86_64 SD_ID128_MAKE(4f,68,bc,e3,e8,cd,4d,b1,96,e7,fb,ca,f9,84,b7,09)
+#define GPT_ROOT_ARM    SD_ID128_MAKE(69,da,d7,10,2c,e4,4e,3c,b1,6c,21,a1,d4,9a,be,d3)
+#define GPT_ROOT_ARM_64 SD_ID128_MAKE(b9,21,b0,45,1d,f0,41,c3,af,44,4c,6f,28,0d,3f,ae)
+
+#define GPT_ESP         SD_ID128_MAKE(c1,2a,73,28,f8,1f,11,d2,ba,4b,00,a0,c9,3e,c9,3b)
+#define GPT_SWAP        SD_ID128_MAKE(06,57,fd,6d,a4,ab,43,c4,84,e5,09,33,c8,4b,4f,4f)
+#define GPT_HOME        SD_ID128_MAKE(93,3a,c7,e1,2e,b4,4f,13,b8,44,0e,14,e2,ae,f9,15)
+#define GPT_SRV         SD_ID128_MAKE(3b,8f,84,25,20,e0,4f,3b,90,7f,1a,25,a7,6f,98,e8)
+
+#if defined(__x86_64__)
+#  define GPT_ROOT_NATIVE GPT_ROOT_X86_64
+#  define GPT_ROOT_SECONDARY GPT_ROOT_X86
+#elif defined(__i386__)
+#  define GPT_ROOT_NATIVE GPT_ROOT_X86
+#endif
+
+#if defined(__aarch64__) && (__BYTE_ORDER != __BIG_ENDIAN)
+#  define GPT_ROOT_NATIVE GPT_ROOT_ARM_64
+#  define GPT_ROOT_SECONDARY GPT_ROOT_ARM
+#elif defined(__arm__) && (__BYTE_ORDER != __BIG_ENDIAN)
+#  define GPT_ROOT_NATIVE GPT_ROOT_ARM
+#endif
+
+/* Flags we recognize on the root, swap, home and srv partitions when
+ * doing auto-discovery. These happen to be identical to what
+ * Microsoft defines for its own Basic Data Partitions, but that's
+ * just because we saw no point in defining any other values here. */
+#define GPT_FLAG_READ_ONLY (1ULL << 60)
+#define GPT_FLAG_NO_AUTO (1ULL << 63)
+
+#define GPT_LINUX_GENERIC SD_ID128_MAKE(0f,c6,3d,af,84,83,47,72,8e,79,3d,69,d8,47,7d,e4)