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struct file_list::num_entries is only ever used to check if a file list
is empty. Do this check with list_empty() instead and remove the unused
member.
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.barebox.org/20240417061936.3104764-1-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Follow-up commit will add a first user that wants to add a cdev
and more may follow, so let's provide a common
file_list_add_cdev_entry they can call.
The benefit of doing that in common/file-list.c is that we can avoid
an extra allocation for prefixing /dev.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20230609075229.1093397-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On some boards, some partitions exposed to fastboot may become
unavailable under certain circumstances, e.g. if an SD-Card exposed to
fastboot is removed.
Previously, this lead to an error and the fastboot gadget did not
initialize the remaining partitions exposed via fastboot, e.g. an
eMMC which usually is permanently soldered on the board.
This patch allows to append an optional flag 'o' to the description of a
fastboot partition. If this partition is unavailable at the
initialization of the fastboot gadget, said partition is skipped, while
the remaining available partitions are still exposed.
Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
Link: https://lore.barebox.org/20220922132410.2653284-1-j.zink@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have the sequence for creating a new file_list at two places and
follow-up commit will add a third one outside of the file, so it's a
good occasion to use a common helper. No functional change.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220730094615.1762042-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Move the usbgadget parse() function to file_list and rename it to
file_list_parse_null() which will return a NULL pointer instead of an
error. Also adjust the callers in the usbgadget code.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Link: https://lore.barebox.org/20210810052928.101783-1-r.czerwinski@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is a common theme along the code that uses file_lists.
Add a function that abstracts it. This could later be used
to simplify this operation in the fastboot code.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210503114901.13095-15-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Use the new system partitions infrastructure to have fastboot and DFU
fall back to using the same partitions if the global.usbgadget.dfu_function
and global.fastboot_partitions are not set, respectively.
No functional change intended for configurations that have
SYSTEM_PARTITIONS disabled.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210503114901.13095-13-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Both Fastboot and DFU have their own global variables that allow
specifying the partitions that can be flashed via the environment.
With the upcoming addition of the USB mass storage gadget, we will need
some way to define the partitions there as well.
Instead of adding yet another way download method-specific variable,
add a generic global.system.partitions variable that can be specified on a
per-board basis and can be used for all methods.
Existing variables will still remain for backwards-compatibility, but
when unset, it should fall back to this new parameter. This is done
in the follow-up patches.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210503114901.13095-7-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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DFU, fastboot and incoming mass storage support all use file lists as
input, but individually check syntax correctness only on use.
A dedicated file list parameter would improve the user experience
and makes the code using it easier to handle: the struct file_list
can be passed around directly instead of having to parse it first
on use.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210503114901.13095-6-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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information
According to our /README, GPL-2.0-only applies for the whole project
except noted otherwise.
Signed-off-by: Roland Hieber <rohieb@rohieb.name>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This flag is added to better support flashing UBI image with Android
sparse images. Android fastboot splits images which are bigger than the
free memory into multiple images which are then transferred in multiple
fastboot sessions. In a session which is not the first one we can no
longer detect if an image is a UBI image or not, so we need a flag to
make this explicit.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add file_list_add_entry() to add a single entry to a file_list. Then
use it in file_list_parse_one() instead of open coding adding a new
entry.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The dfu command parses a string which contains a list of
devices and flags. This format is useful for other users
aswell, so add common helper functions to parse it and
let the dfu command use this format.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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