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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
commit | 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch) | |
tree | da68ca54bb79f4080079bf0828acda937593a4e1 /src/basic/efivars.h | |
parent | Initial commit. (diff) | |
download | systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.tar.xz systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.zip |
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/efivars.h')
-rw-r--r-- | src/basic/efivars.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/basic/efivars.h b/src/basic/efivars.h new file mode 100644 index 0000000..d310dde --- /dev/null +++ b/src/basic/efivars.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#if !ENABLE_EFI +# include <errno.h> +#endif +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> + +#include "sd-id128.h" + +#include "efi/loader-features.h" +#include "time-util.h" + +#define EFI_VENDOR_LOADER SD_ID128_MAKE(4a,67,b0,82,0a,4c,41,cf,b6,c7,44,0b,29,bb,8c,4f) +#define EFI_VENDOR_GLOBAL SD_ID128_MAKE(8b,e4,df,61,93,ca,11,d2,aa,0d,00,e0,98,03,2b,8c) +#define EFI_VENDOR_SYSTEMD SD_ID128_MAKE(8c,f2,64,4b,4b,0b,42,8f,93,87,6d,87,60,50,dc,67) +#define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001 +#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002 +#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004 + +#if ENABLE_EFI + +char* efi_variable_path(sd_id128_t vendor, const char *name); +int efi_get_variable(sd_id128_t vendor, const char *name, uint32_t *attribute, void **value, size_t *size); +int efi_get_variable_string(sd_id128_t vendor, const char *name, char **p); +int efi_set_variable(sd_id128_t vendor, const char *name, const void *value, size_t size); +int efi_set_variable_string(sd_id128_t vendor, const char *name, const char *p); + +bool is_efi_boot(void); +bool is_efi_secure_boot(void); +bool is_efi_secure_boot_setup_mode(void); + +int cache_efi_options_variable(void); +int systemd_efi_options_variable(char **line); + +#else + +static inline char* efi_variable_path(sd_id128_t vendor, const char *name) { + return NULL; +} + +static inline int efi_get_variable(sd_id128_t vendor, const char *name, uint32_t *attribute, void **value, size_t *size) { + return -EOPNOTSUPP; +} + +static inline int efi_get_variable_string(sd_id128_t vendor, const char *name, char **p) { + return -EOPNOTSUPP; +} + +static inline int efi_set_variable(sd_id128_t vendor, const char *name, const void *value, size_t size) { + return -EOPNOTSUPP; +} + +static inline int efi_set_variable_string(sd_id128_t vendor, const char *name, const char *p) { + return -EOPNOTSUPP; +} + +static inline bool is_efi_boot(void) { + return false; +} + +static inline bool is_efi_secure_boot(void) { + return false; +} + +static inline bool is_efi_secure_boot_setup_mode(void) { + return false; +} + +static inline int cache_efi_options_variable(void) { + return -EOPNOTSUPP; +} + +static inline int systemd_efi_options_variable(char **line) { + return -ENODATA; +} + +#endif |