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libflashrom: Add layout "exclude" API

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Layouts can be expensive to derive (reading from flash), so we might
want to reuse a layout for different purposes. Today, it's not possible
to undo a flashrom_layout_include_region() operation (to, say, operate
on a different region). Add such an API.

Change-Id: I7ea3e0674f25e34bf2cfc8f464ae7ca1c1a3fbfd
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/76005
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
This commit is contained in:
Brian Norris
2023-06-22 11:07:18 -07:00
committed by Edward O'Callaghan
parent 91aa2d8526
commit e08899fcf4
5 changed files with 58 additions and 0 deletions
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10
include/libflashrom.h
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@ -420,6 +420,16 @@ int flashrom_layout_add_region(struct flashrom_layout *layout, size_t start, siz
* 1 if the given name can't be found.
*/
int flashrom_layout_include_region(struct flashrom_layout *layout, const char *name);
/**
* @brief Mark given region as not included.
*
* @param layout The layout to alter.
* @param name The name of the region to exclude.
*
* @return 0 on success,
* 1 if the given name can't be found.
*/
int flashrom_layout_exclude_region(struct flashrom_layout *layout, const char *name);
/**
* @brief Get given region's offset and length.
*