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From 72a58fb27c71a8f74fd31c4ca734536e20ac7918 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 6 May 2010 09:54:45 +0200
Subject: [PATCH parted 1/2] msdos: recognize id 27 as a diagnostics (recovery) partition

msdos partitiontable partition id 27 is recommended by microsoft for
use as id for recovery partitions, see:
http://technet.microsoft.com/en-us/library/dd744364%28WS.10%29.aspx
http://bugzilla.redhat.com/show_bug.cgi?id=534066

* libparted/labels/dos.c(PARTITION_MSFT_RECOVERY): add define
* libparted/labels/dos.c(raw_part_parse): recognize id 27
* libparted/labels/dos.c(msdos_partition_set_system): recognize id 27
---
 libparted/labels/dos.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/libparted/labels/dos.c b/libparted/labels/dos.c
index fdc679b..cb51491 100644
--- a/libparted/labels/dos.c
+++ b/libparted/labels/dos.c
@@ -81,6 +81,7 @@ static const char MBR_BOOT_CODE[] = {
 #define PARTITION_FAT16_LBA_H	(PARTITION_FAT16_LBA	| PART_FLAG_HIDDEN)
 
 #define PARTITION_COMPAQ_DIAG	0x12
+#define PARTITION_MSFT_RECOVERY	0x27
 #define PARTITION_LDM		0x42
 #define PARTITION_LINUX_SWAP	0x82
 #define PARTITION_LINUX		0x83
@@ -837,6 +838,7 @@ raw_part_parse (const PedDisk* disk, con
 	dos_data->palo = raw_part->type == PARTITION_PALO;
 	dos_data->prep = raw_part->type == PARTITION_PREP;
 	dos_data->diag = raw_part->type == PARTITION_COMPAQ_DIAG ||
+			 raw_part->type == PARTITION_MSFT_RECOVERY ||
 			 raw_part->type == PARTITION_DELL_DIAG;
 	dos_data->orig = ped_malloc (sizeof (OrigState));
 	if (!dos_data->orig) {
@@ -1334,6 +1336,7 @@ msdos_partition_set_system (PedPartition* part,
 		/* Don't change the system if it already is a diag type,
 		   otherwise use Compaq as almost all vendors use that. */
 		if (dos_data->system != PARTITION_COMPAQ_DIAG &&
+		    dos_data->system != PARTITION_MSFT_RECOVERY &&
 		    dos_data->system != PARTITION_DELL_DIAG)
 			dos_data->system = PARTITION_COMPAQ_DIAG;
 		return 1;
-- 
1.7.0.1

From 042f7dae4b95681cc613b4aad7c0339e2eef0bbe Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 6 May 2010 10:10:03 +0200
Subject: [PATCH parted 2/2] gpt: recognize microsoft recovery GUID

Microsoft advices creating recovery partitions with a GUID of
de94bba4-06d1-4d40-a16a-bfd50179d6ac, see:
http://technet.microsoft.com/en-us/library/dd744301%28WS.10%29.aspx

This patch makes parted recognize this guid (using the DIAG flag).
* libparted/labels/gpt.c(PARTITION_MSFT_RECOVERY, GPTPartitionData,
_parse_part_entry, gpt_partition_new, gpt_partition_set_system,
gpt_partition_set_flag, gpt_partition_get_flag,
gpt_partition_is_flag_available): support microsoft recovery GUID
---
 libparted/labels/gpt.c |   39 +++++++++++++++++++++++++++++++++++++--
 1 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
index 4793315..4aedd6d 100644
--- a/libparted/labels/gpt.c
+++ b/libparted/labels/gpt.c
@@ -103,6 +103,10 @@ typedef struct
     ((efi_guid_t) { PED_CPU_TO_LE32 (0xE3C9E316), PED_CPU_TO_LE16 (0x0B5C), \
                     PED_CPU_TO_LE16 (0x4DB8), 0x81, 0x7D, \
                     { 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE }})
+#define PARTITION_MSFT_RECOVERY \
+    ((efi_guid_t) { PED_CPU_TO_LE32 (0xDE94BBA4), PED_CPU_TO_LE16 (0x06D1), \
+                    PED_CPU_TO_LE16 (0x4D40), 0xA1, 0x6A, \
+                    { 0xBF, 0xD5, 0x01, 0x79, 0xD6, 0xAC }})
 #define PARTITION_BASIC_DATA_GUID \
     ((efi_guid_t) { PED_CPU_TO_LE32 (0xEBD0A0A2), PED_CPU_TO_LE16 (0xB9E5), \
                     PED_CPU_TO_LE16 (0x4433), 0x87, 0xC0, \
@@ -269,6 +273,7 @@ typedef struct _GPTPartitionData
   int hidden;
   int msftres;
   int atvrecv;
+  int msftrecv;
 } GPTPartitionData;
 
 static PedDiskType gpt_disk_type;
@@ -773,6 +778,7 @@ _parse_part_entry (PedDisk *disk, GuidPartitionEntry_t *pte)
   gpt_part_data->lvm = gpt_part_data->raid
     = gpt_part_data->boot = gpt_part_data->hp_service
     = gpt_part_data->hidden = gpt_part_data->msftres
+    = gpt_part_data->msftrecv
     = gpt_part_data->bios_grub = gpt_part_data->atvrecv = 0;
 
   if (pte->Attributes.RequiredToFunction & 0x1)
@@ -790,6 +796,8 @@ _parse_part_entry (PedDisk *disk, GuidPartitionEntry_t *pte)
     gpt_part_data->hp_service = 1;
   else if (!guid_cmp (gpt_part_data->type, PARTITION_MSFT_RESERVED_GUID))
     gpt_part_data->msftres = 1;
+  else if (!guid_cmp (gpt_part_data->type, PARTITION_MSFT_RECOVERY))
+    gpt_part_data->msftrecv = 1;
   else if (!guid_cmp (gpt_part_data->type, PARTITION_APPLE_TV_RECOVERY_GUID))
     gpt_part_data->atvrecv = 1;
 
@@ -1291,6 +1299,7 @@ gpt_partition_new (const PedDisk *disk,
   gpt_part_data->hp_service = 0;
   gpt_part_data->hidden = 0;
   gpt_part_data->msftres = 0;
+  gpt_part_data->msftrecv = 0;
   gpt_part_data->atvrecv = 0;
   uuid_generate ((unsigned char *) &gpt_part_data->uuid);
   swap_uuid_and_efi_guid ((unsigned char *) (&gpt_part_data->uuid));
@@ -1387,6 +1396,11 @@ gpt_partition_set_system (PedPartition *part,
       gpt_part_data->type = PARTITION_MSFT_RESERVED_GUID;
       return 1;
     }
+  if (gpt_part_data->msftrecv)
+    {
+      gpt_part_data->type = PARTITION_MSFT_RECOVERY;
+      return 1;
+    }
   if (gpt_part_data->atvrecv)
     {
       gpt_part_data->type = PARTITION_APPLE_TV_RECOVERY_GUID;
@@ -1491,6 +1505,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->bios_grub
           = gpt_part_data->hp_service
           = gpt_part_data->msftres
+          = gpt_part_data->msftrecv
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_BIOS_GRUB:
@@ -1501,6 +1516,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->boot
           = gpt_part_data->hp_service
           = gpt_part_data->msftres
+          = gpt_part_data->msftrecv
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_RAID:
@@ -1511,6 +1527,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->bios_grub
           = gpt_part_data->hp_service
           = gpt_part_data->msftres
+          = gpt_part_data->msftrecv
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_LVM:
@@ -1521,6 +1538,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->bios_grub
           = gpt_part_data->hp_service
           = gpt_part_data->msftres
+          = gpt_part_data->msftrecv
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_HPSERVICE:
@@ -1531,6 +1549,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->lvm
           = gpt_part_data->bios_grub
           = gpt_part_data->msftres
+          = gpt_part_data->msftrecv
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_MSFT_RESERVED:
@@ -1541,6 +1560,18 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->lvm
           = gpt_part_data->bios_grub
           = gpt_part_data->hp_service
+          = gpt_part_data->msftrecv
+          = gpt_part_data->atvrecv = 0;
+      return gpt_partition_set_system (part, part->fs_type);
+    case PED_PARTITION_DIAG:
+      gpt_part_data->msftrecv = state;
+      if (state)
+        gpt_part_data->boot
+          = gpt_part_data->raid
+          = gpt_part_data->lvm
+          = gpt_part_data->bios_grub
+          = gpt_part_data->hp_service
+          = gpt_part_data->msftres
           = gpt_part_data->atvrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_APPLE_TV_RECOVERY:
@@ -1551,7 +1582,8 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
           = gpt_part_data->lvm
           = gpt_part_data->bios_grub
           = gpt_part_data->hp_service
-          = gpt_part_data->msftres = 0;
+          = gpt_part_data->msftres
+          = gpt_part_data->msftrecv = 0;
       return gpt_partition_set_system (part, part->fs_type);
     case PED_PARTITION_HIDDEN:
       gpt_part_data->hidden = state;
@@ -1586,7 +1618,9 @@ gpt_partition_get_flag (const PedPartition *part, PedPartitionFlag flag)
       return gpt_part_data->hp_service;
     case PED_PARTITION_MSFT_RESERVED:
       return gpt_part_data->msftres;
-   case PED_PARTITION_APPLE_TV_RECOVERY:
+    case PED_PARTITION_DIAG:
+      return gpt_part_data->msftrecv;
+    case PED_PARTITION_APPLE_TV_RECOVERY:
       return gpt_part_data->atvrecv;
     case PED_PARTITION_HIDDEN:
       return gpt_part_data->hidden;
@@ -1611,6 +1645,7 @@ gpt_partition_is_flag_available (const PedPartition *part,
     case PED_PARTITION_BIOS_GRUB:
     case PED_PARTITION_HPSERVICE:
     case PED_PARTITION_MSFT_RESERVED:
+    case PED_PARTITION_DIAG:
     case PED_PARTITION_APPLE_TV_RECOVERY:
     case PED_PARTITION_HIDDEN:
       return 1;
-- 
1.7.0.1