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From: "Vincent Stehlé" <vincent.stehle@arm.com>
To: util-linux@vger.kernel.org
Cc: "Vincent Stehlé" <vincent.stehle@arm.com>
Subject: [PATCH] libfdisk: (MBR) recognize EBBR protective partitions
Date: Fri,  3 Dec 2021 16:59:08 +0100	[thread overview]
Message-ID: <20211203155908.6906-1-vincent.stehle@arm.com> (raw)

The MBR partition type 0xF8 is used by the Arm EBBR specification for
protective partitions over fixed-location firmware images.

References: https://github.com/ARM-software/ebbr
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
---
 include/pt-mbr-partnames.h | 1 +
 include/pt-mbr.h           | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/pt-mbr-partnames.h b/include/pt-mbr-partnames.h
index 19a345029..9304793db 100644
--- a/include/pt-mbr-partnames.h
+++ b/include/pt-mbr-partnames.h
@@ -101,6 +101,7 @@
 	{0xf1, N_("SpeedStor")},
 	{0xf4, N_("SpeedStor")},	/* SpeedStor large partition */
 	{0xf2, N_("DOS secondary")},	/* DOS 3.3+ secondary */
+	{0xf8, N_("EBBR protective")},	/* Arm EBBR firmware protective partition */
 	{0xfb, N_("VMware VMFS")},
 	{0xfc, N_("VMware VMKCORE")},	/* VMware kernel dump partition */
 	{0xfd, N_("Linux raid autodetect")},/* Linux raid partition with
diff --git a/include/pt-mbr.h b/include/pt-mbr.h
index 0f014cd88..ff658f346 100644
--- a/include/pt-mbr.h
+++ b/include/pt-mbr.h
@@ -199,6 +199,7 @@ enum {
 	MBR_SPEEDSTOR1_PARTITION	= 0xf1,
 	MBR_SPEEDSTOR2_PARTITION	= 0xf4, /* SpeedStor large partition */
 	MBR_DOS_SECONDARY_PARTITION	= 0xf2, /* DOS 3.3+ secondary */
+	MBR_EBBR_PROTECTIVE_PARTITION	= 0xf8, /* Arm EBBR firmware protective partition */
 	MBR_VMWARE_VMFS_PARTITION	= 0xfb,
 	MBR_VMWARE_VMKCORE_PARTITION	= 0xfc, /* VMware kernel dump partition */
 	MBR_LINUX_RAID_PARTITION	= 0xfd, /* Linux raid partition with autodetect using persistent superblock */
-- 
2.33.0


             reply	other threads:[~2021-12-03 16:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-03 15:59 Vincent Stehlé [this message]
2022-02-07 18:14 ` [PATCH] libfdisk: (MBR) recognize EBBR protective partitions Vincent Stehlé
2022-02-07 21:44   ` Karel Zak

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