[PATCH 2/6] efi: the function transfers status to string
From: Lee, Chun-Yi <hidden>
Date: 2018-08-05 03:22:44
Also in:
keyrings, linux-integrity, lkml
Subsystem:
extensible firmware interface (efi), the rest · Maintainers:
Ard Biesheuvel, Linus Torvalds
This function can be used to transfer EFI status code to string for printing out debug message. Cc: Kees Cook <redacted> Cc: Thomas Gleixner <redacted> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Rafael J. Wysocki" <redacted> Cc: Pavel Machek <redacted> Cc: Chen Yu <yu.c.chen@intel.com> Cc: Oliver Neukum <oneukum@suse.com> Cc: Ryan Chen <redacted> Cc: Ard Biesheuvel <redacted> Cc: David Howells <dhowells@redhat.com> Cc: Mimi Zohar <redacted> Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com> --- include/linux/efi.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 56add823f190..744cf92fe18e 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h@@ -1651,4 +1651,30 @@ struct linux_efi_tpm_eventlog { extern int efi_tpm_eventlog_init(void); +#define EFI_STATUS_STR(_status) \ +case EFI_##_status: \ + return "EFI_" __stringify(_status); + +static inline char * +efi_status_to_str(efi_status_t status) +{ + switch (status) { + EFI_STATUS_STR(SUCCESS) + EFI_STATUS_STR(LOAD_ERROR) + EFI_STATUS_STR(INVALID_PARAMETER) + EFI_STATUS_STR(UNSUPPORTED) + EFI_STATUS_STR(BAD_BUFFER_SIZE) + EFI_STATUS_STR(BUFFER_TOO_SMALL) + EFI_STATUS_STR(NOT_READY) + EFI_STATUS_STR(DEVICE_ERROR) + EFI_STATUS_STR(WRITE_PROTECTED) + EFI_STATUS_STR(OUT_OF_RESOURCES) + EFI_STATUS_STR(NOT_FOUND) + EFI_STATUS_STR(ABORTED) + EFI_STATUS_STR(SECURITY_VIOLATION) + } + + return ""; +} + #endif /* _LINUX_EFI_H */
--
2.13.6