Messages in this thread Patch in this message | | | From | "Lee, Chun-Yi" <> | Subject | [PATCH 1/2] efi: add a function for transferring status to string | Date | Sun, 24 Mar 2019 08:26:20 +0800 |
| |
This function can be used to transfer EFI status code to string for printing out debug message. Using this function can improve the readability of log.
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Kees Cook <keescook@chromium.org> Cc: Anton Vorontsov <anton@enomsg.org> Cc: Colin Cross <ccross@android.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com> --- include/linux/efi.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/include/linux/efi.h b/include/linux/efi.h index 54357a258b35..a43cb0dc37af 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1768,4 +1768,32 @@ struct linux_efi_memreserve { #define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \ / sizeof(((struct linux_efi_memreserve *)0)->entry[0])) +#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) + default: + pr_warn("Unknown efi status: 0x%lx", status); + } + + return "Unknown efi status"; +} + #endif /* _LINUX_EFI_H */ -- 2.16.4
| |