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This updates ubifs-media.h to Linux-5.3-rc3 which brings us the bits
and pieces necessary for UBIFS authentication and offline signing.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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I added ZSTD support to mkfs.ubifs and compared the ZSTD results with
zlib/lzo and the available ZSTD compression levels. The results are in
the following table:
Comp image MiB time image2 MiB time
none 271 0m 0,723s 223 0m 0,589s
lzo 164 0m13,705s 116 0m11,636s
zlib 150 0m 7,654s 103 0m 6,347s
favor-lzo 158 0m21,137s 110 0m17,764s
zstd-01 154 0m 1,607s 106 0m 1,429s
zstd-02 153 0m 1,704s 105 0m 1,479s
zstd-03* 152 0m 1,888s 104 0m 1,668s
zstd-04 151 0m 2,741s 103 0m 2,391s
zstd-05 150 0m 3,257s 102 0m 2,916s
zstd-06 150 0m 3,735s 102 0m 3,356s
zstd-07 150 0m 4,066s 102 0m 3,705s
zstd-08 152 0m 1,857s 104 0m 1,644s
zstd-09 152 0m 1,855s 104 0m 1,639s
zstd-10 150 0m 6,654s 102 0m 6,195s
zstd-11 150 0m10,027s 102 0m 9,130s
zstd-12 149 0m14,724s 101 0m13,415s
zstd-13 148 0m18,232s 100 0m16,719s
zstd-14 148 0m20,859s 100 0m19,554s
zstd-15 148 0m25,033s 100 0m23,186s
zstd-16 148 0m38,837s 100 0m36,543s
zstd-17 148 0m46,051s 100 0m43,120s
zstd-18 148 0m49,157s 100 0m45,807s
zstd-19 148 0m49,421s 100 0m45,951s
zstd-20 148 0m51,271s 100 0m48,030s
zstd-21 148 0m51,015s 100 0m48,676s
zstd-22 148 0m52,575s 100 0m50,013s
The UBIFS image was created via
mkfs.ubifs -x $Comp -m 512 -e 128KiB -c 2200 -r $image $out
I used "debootstrap sid" to create a basic RFS and the results are in
the `image' column. The image2 column denotes the results for the same
image but with .deb files removed.
The time column contains the output of the run time of the command.
ZSTD's compression level three is currently default. Based on the
compression results (for the default level) it outperforms LZO in
run time and compression and is almost as good as ZLIB in terms of
compression but quicker.
The higher compression levels make almost no difference in compression
but take a lot of time.
The compression level used is the default offered by ZSTD. It does not
make sense the higher levels.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Update both header files to add support for flag specifying whether to
skip the CRC check for static UBI volumes.
Taken from the kernel headers.
Some users of static UBI volumes implement their own integrity check,
thus making the volume CRC check done at open time useless. For
instance, this is the case when one use the ubiblock + dm-verity +
squashfs combination, where dm-verity already checks integrity of the
block device but this time at the block granularity instead of verifying
the whole volume.
Skipping this test drastically improves the boot-time.
Suggested-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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... in order to have definitions of things like __le16.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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This file will be shared with the ubidump tool in the future.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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With the addition of block device access to UBI volumes, we now
add a simple userspace tool to access the new ioctls.
Usage of this tool is as simple as it gets:
$ ubiblock --create /dev/ubi0_0
will create a new block device /dev/ubiblock0_0, and
$ ubiblock --remove /dev/ubi0_0
will remove the device.
Artem: slightly changed the header comment.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The helper is for user applications, and it is just a copy of
the kernel helper: mtd_type_is_nand();
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Also remove the eraseblock type support, because kernel commit
a65a0eb6d198e058687a9214683bd1c418f20d39 set the dtype
parameter as obsolete.
Also adjust to some renames:
* 'UBI_PROP_DIRECT_WRITE' -> 'UBI_VOL_PROP_DIRECT_WRITE'
* 'struct ubi_set_prop_req' -> 'struct ubi_set_vol_prop_req'.
* 'UBI_IOCSETPROP' -> 'UBI_IOCSETVOLPROP'
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Kernel ABI header added a new ioctl, killed an old one, and exposed OOB
modes to user-space. Plus, it added a lot of documentation.
We have some trivial name changes for some MTD mode constants as well.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Update the ubi-media.h file in order to add UBI sequence number
support.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Take the latest version from the kernel, where it was renamed
to ubi-media.h.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Just take the latest version from the kernel.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Do not relay on asm/byteorder and use mtd_swab.h instead
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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It appears that older system do not expose __be32 and friends
to userspace, so use uint32_t and friends.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Update UBI headers which requires some renameing changes.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Add 2 new utilities to attach and detach UBI devices.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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Signed-off-by: Frank Haverkamp <haver@vnet.ibm.com>
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Again.
Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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The NAND rework exposes more information to userspace and
has a different mechanism to read raw FLASH contents without
ECC. Update nanddump and nandwrite. Use the new ECC statistics
ioctl to inform the user about corrected and uncorrectable
bitflips.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Since this is optional, it might as well go in immediately.
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Signed-off-by: Josh Boyer <jwboyer@yoda.jdub.homelinux.org>
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include files needed for the utils
Signed-off-by: Josh Boyer <jwboyer@gmail.com>
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