diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-08-09 18:10:01 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-08-09 18:10:01 +0300 |
| commit | 402e262d77cd8b075a56809e30e6903ef648ad1a (patch) | |
| tree | 5df805a2118cf9c121e10ea79e85d93f9f36a613 /include/linux/efi.h | |
| parent | c30a13538d9f8b2a60b2f6b26abe046dea10aa12 (diff) | |
| parent | 02eb7a8eee20b9ec6aafd5e17c5c41b53e8b13ef (diff) | |
Merge tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Expose the OVMF firmware debug log via sysfs
- Lower the default log level for the EFI stub to avoid corrupting any
splash screens with unimportant diagnostic output
* tag 'efi-next-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: add API doc entry for ovmf_debug_log
efistub: Lower default log level
efi: add ovmf debug log driver
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index e3776d9cad07..a98cc39e7aaa 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -439,6 +439,7 @@ void efi_native_runtime_setup(void); /* OVMF protocol GUIDs */ #define OVMF_SEV_MEMORY_ACCEPTANCE_PROTOCOL_GUID EFI_GUID(0xc5a010fe, 0x38a7, 0x4531, 0x8a, 0x4a, 0x05, 0x00, 0xd2, 0xfd, 0x16, 0x49) +#define OVMF_MEMORY_LOG_TABLE_GUID EFI_GUID(0x95305139, 0xb20f, 0x4723, 0x84, 0x25, 0x62, 0x7c, 0x88, 0x8f, 0xf1, 0x21) typedef struct { efi_guid_t guid; @@ -642,6 +643,7 @@ extern struct efi { unsigned long esrt; /* ESRT table */ unsigned long tpm_log; /* TPM2 Event Log table */ unsigned long tpm_final_log; /* TPM2 Final Events Log table */ + unsigned long ovmf_debug_log; unsigned long mokvar_table; /* MOK variable config table */ unsigned long coco_secret; /* Confidential computing secret table */ unsigned long unaccepted; /* Unaccepted memory table */ @@ -1344,6 +1346,8 @@ bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table) umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n); +int ovmf_log_probe(unsigned long ovmf_debug_log_table); + /* * efivar ops event type */ |