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efi_loader: add efi_dp_from_name()

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Factor out efi_set_bootdev() and extract efi_dp_from_name().
This function will be used to set a boot device in efishell command.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
AKASHI Takahiro 2018-10-17 16:32:03 +09:00 • committed by Alexander Graf
parent b0c78d8ffc
commit f1589ffb33
3 changed files with 59 additions and 34 deletions
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4
include/efi_loader.h
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@ -432,6 +432,10 @@ const struct efi_device_path *efi_dp_last_node(
efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
struct efi_device_path **device_path,
struct efi_device_path **file_path);
efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
const char *path,
struct efi_device_path **device,
struct efi_device_path **file);
#define EFI_DP_TYPE(_dp, _type, _subtype) \
(((_dp)->type == DEVICE_PATH_TYPE_##_type) && \