diff mbox series

[1/2] efi: add a function for transferring status to string

Message ID 20191212093812.10518-2-jlee@suse.com (mailing list archive)
State New, archived
Headers show
Series efi: cosmetic patches for the error messages when loading certificates | expand

Commit Message

Lee, Chun-Yi Dec. 12, 2019, 9:38 a.m. UTC 
This function can be used to transfer EFI status code to string
to improve the readability of debug log.

Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
---
 include/linux/efi.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

Comments

Ard Biesheuvel Dec. 12, 2019, 11:20 a.m. UTC | #1 
On Thu, 12 Dec 2019 at 10:38, Lee, Chun-Yi <joeyli.kernel@gmail.com> wrote:
>
> This function can be used to transfer EFI status code to string
> to improve the readability of debug log.
>
> Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>

I think I mentioned this the last time you sent this patch: by making
this a static inline, those strings will be copied into each object
file that uses this routine.
Instead, please make it an ordinary function.

> ---
>  include/linux/efi.h | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/include/linux/efi.h b/include/linux/efi.h
> index d87acf62958e..08daf4cdd807 100644
> --- a/include/linux/efi.h
> +++ b/include/linux/efi.h
> @@ -42,6 +42,32 @@
>  #define EFI_ABORTED            (21 | (1UL << (BITS_PER_LONG-1)))
>  #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1)))
>
> +#define EFI_STATUS_STR(_status) \
> +       case EFI_##_status: \
> +               return "EFI_" __stringify(_status);
> +
> +static inline char *
> +efi_status_to_str(unsigned long 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 "";
> +}
> +
>  typedef unsigned long efi_status_t;
>  typedef u8 efi_bool_t;
>  typedef u16 efi_char16_t;              /* UNICODE character */
> --
> 2.16.4
>
joeyli Dec. 12, 2019, 2:24 p.m. UTC | #2 
Hi Ard, 

On Thu, Dec 12, 2019 at 11:20:48AM +0000, Ard Biesheuvel wrote:
> On Thu, 12 Dec 2019 at 10:38, Lee, Chun-Yi <joeyli.kernel@gmail.com> wrote:
> >
> > This function can be used to transfer EFI status code to string
> > to improve the readability of debug log.
> >
> > Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
> 
> I think I mentioned this the last time you sent this patch: by making
> this a static inline, those strings will be copied into each object
> file that uses this routine.
> Instead, please make it an ordinary function.
> 

Sorry for I just sent a old version patch. I will send a new one.

Thanks a lot!
Joey Lee 

> > ---
> >  include/linux/efi.h | 26 ++++++++++++++++++++++++++
> >  1 file changed, 26 insertions(+)
> >
> > diff --git a/include/linux/efi.h b/include/linux/efi.h
> > index d87acf62958e..08daf4cdd807 100644
> > --- a/include/linux/efi.h
> > +++ b/include/linux/efi.h
> > @@ -42,6 +42,32 @@
> >  #define EFI_ABORTED            (21 | (1UL << (BITS_PER_LONG-1)))
> >  #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1)))
> >
> > +#define EFI_STATUS_STR(_status) \
> > +       case EFI_##_status: \
> > +               return "EFI_" __stringify(_status);
> > +
> > +static inline char *
> > +efi_status_to_str(unsigned long 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 "";
> > +}
> > +
> >  typedef unsigned long efi_status_t;
> >  typedef u8 efi_bool_t;
> >  typedef u16 efi_char16_t;              /* UNICODE character */
> > --
> > 2.16.4
> >
diff mbox series

Patch

diff --git a/include/linux/efi.h b/include/linux/efi.h
index d87acf62958e..08daf4cdd807 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -42,6 +42,32 @@ 
 #define EFI_ABORTED		(21 | (1UL << (BITS_PER_LONG-1)))
 #define EFI_SECURITY_VIOLATION	(26 | (1UL << (BITS_PER_LONG-1)))
 
+#define EFI_STATUS_STR(_status) \
+	case EFI_##_status: \
+		return "EFI_" __stringify(_status);
+
+static inline char *
+efi_status_to_str(unsigned long 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 "";
+}
+
 typedef unsigned long efi_status_t;
 typedef u8 efi_bool_t;
 typedef u16 efi_char16_t;		/* UNICODE character */