[parted-devel] [PATCH] GPT: add support for PReP GUID
Avik Sil
aviksil at linux.vnet.ibm.com
Fri Oct 4 09:17:02 UTC 2013
From: Daniel Battaiola Kreling <dbkreling at br.ibm.com>
A new GUID 9e1a2d38-c612-4316-aa26-8b49521e5a8b for PReP partition
is proposed to be included in GPT.
---
libparted/labels/gpt.c | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
index 490de70..ee8148d 100644
--- a/libparted/labels/gpt.c
+++ b/libparted/labels/gpt.c
@@ -146,6 +146,10 @@ typedef struct
((efi_guid_t) { PED_CPU_TO_LE32 (0x5265636F), PED_CPU_TO_LE16 (0x7665), \
PED_CPU_TO_LE16 (0x11AA), 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xEC, 0xAC }})
+#define PARTITION_PREP_GUID \
+ ((efi_guid_t) { PED_CPU_TO_LE32 (0x9e1a2d38), PED_CPU_TO_LE16 (0xc612), \
+ PED_CPU_TO_LE16 (0x4316), 0xaa, 0x26, \
+ { 0x8b, 0x49, 0x52, 0x1e, 0x5a, 0x8b }})
struct __attribute__ ((packed)) _GuidPartitionTableHeader_t
{
@@ -288,6 +292,7 @@ typedef struct _GPTPartitionData
int atvrecv;
int msftrecv;
int legacy_boot;
+ int prep;
} GPTPartitionData;
static PedDiskType gpt_disk_type;
@@ -796,6 +801,7 @@ _parse_part_entry (PedDisk *disk, GuidPartitionEntry_t *pte)
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
= gpt_part_data->legacy_boot
+ = gpt_part_data->prep
= gpt_part_data->bios_grub = gpt_part_data->atvrecv = 0;
if (pte->Attributes.RequiredToFunction & 0x1)
@@ -821,6 +827,8 @@ _parse_part_entry (PedDisk *disk, GuidPartitionEntry_t *pte)
gpt_part_data->msftrecv = 1;
else if (!guid_cmp (gpt_part_data->type, PARTITION_APPLE_TV_RECOVERY_GUID))
gpt_part_data->atvrecv = 1;
+ else if (!guid_cmp (gpt_part_data->type, PARTITION_PREP_GUID))
+ gpt_part_data->prep = 1;
return part;
}
@@ -1338,6 +1346,7 @@ gpt_partition_new (const PedDisk *disk,
gpt_part_data->msftrecv = 0;
gpt_part_data->atvrecv = 0;
gpt_part_data->legacy_boot = 0;
+ gpt_part_data->prep = 0;
uuid_generate ((unsigned char *) &gpt_part_data->uuid);
swap_uuid_and_efi_guid ((unsigned char *) (&gpt_part_data->uuid));
memset (gpt_part_data->name, 0, sizeof gpt_part_data->name);
@@ -1411,6 +1420,11 @@ gpt_partition_set_system (PedPartition *part,
gpt_part_data->type = PARTITION_RAID_GUID;
return 1;
}
+ if (gpt_part_data->prep)
+ {
+ gpt_part_data->type = PARTITION_PREP_GUID;
+ return 1;
+ }
if (gpt_part_data->boot)
{
gpt_part_data->type = PARTITION_SYSTEM_GUID;
@@ -1587,6 +1601,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->msftres
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_BIOS_GRUB:
@@ -1599,6 +1614,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->msftres
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_RAID:
@@ -1611,6 +1627,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->msftres
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_LVM:
@@ -1623,6 +1640,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->msftres
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_HPSERVICE:
@@ -1635,6 +1653,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->msftres
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_MSFT_RESERVED:
@@ -1647,6 +1666,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->hp_service
= gpt_part_data->msftdata
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_MSFT_DATA:
@@ -1659,6 +1679,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->hp_service
= gpt_part_data->msftres
= gpt_part_data->msftrecv
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
gpt_part_data->msftdata = 1;
} else {
@@ -1675,6 +1696,7 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->hp_service
= gpt_part_data->msftdata
= gpt_part_data->msftres
+ = gpt_part_data->prep
= gpt_part_data->atvrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_APPLE_TV_RECOVERY:
@@ -1687,8 +1709,21 @@ gpt_partition_set_flag (PedPartition *part, PedPartitionFlag flag, int state)
= gpt_part_data->hp_service
= gpt_part_data->msftres
= gpt_part_data->msftdata
+ = gpt_part_data->prep
= gpt_part_data->msftrecv = 0;
return gpt_partition_set_system (part, part->fs_type);
+ case PED_PARTITION_PREP:
+ gpt_part_data->prep = 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->msftrecv
+ = gpt_part_data->atvrecv = 0;
+ return gpt_partition_set_system (part, part->fs_type);
case PED_PARTITION_HIDDEN:
gpt_part_data->hidden = state;
return 1;
@@ -1735,6 +1770,8 @@ gpt_partition_get_flag (const PedPartition *part, PedPartitionFlag flag)
return gpt_part_data->hidden;
case PED_PARTITION_LEGACY_BOOT:
return gpt_part_data->legacy_boot;
+ case PED_PARTITION_PREP:
+ return gpt_part_data->prep;
case PED_PARTITION_SWAP:
case PED_PARTITION_LBA:
case PED_PARTITION_ROOT:
@@ -1761,6 +1798,7 @@ gpt_partition_is_flag_available (const PedPartition *part,
case PED_PARTITION_APPLE_TV_RECOVERY:
case PED_PARTITION_HIDDEN:
case PED_PARTITION_LEGACY_BOOT:
+ case PED_PARTITION_PREP:
return 1;
case PED_PARTITION_SWAP:
case PED_PARTITION_ROOT:
--
1.7.11.7
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