diff options
| -rw-r--r-- | arch/x86/include/asm/efi.h | 7 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile | 2 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/smbios.c | 39 | ||||
| -rw-r--r-- | include/linux/efi.h | 4 |
4 files changed, 34 insertions, 18 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index b3e4d999b913..521aad70e41b 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -229,7 +229,8 @@ static inline bool efi_is_native(void) static inline void *efi64_zero_upper(void *p) { - ((u32 *)p)[1] = 0; + if (p) + ((u32 *)p)[1] = 0; return p; } @@ -315,6 +316,10 @@ static inline u32 efi64_convert_status(efi_status_t status) #define __efi64_argmap_clear_memory_attributes(protocol, phys, size, flags) \ ((protocol), __efi64_split(phys), __efi64_split(size), __efi64_split(flags)) +/* EFI SMBIOS protocol */ +#define __efi64_argmap_get_next(protocol, smbioshandle, type, record, phandle) \ + ((protocol), (smbioshandle), (type), efi64_zero_upper(record), \ + efi64_zero_upper(phandle)) /* * The macros below handle the plumbing for the argument mapping. To add a * mapping for a specific EFI method, simply define a macro diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 06f0428a723c..1f32d6cf98d6 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -76,7 +76,7 @@ lib-$(CONFIG_EFI_GENERIC_STUB) += efi-stub.o string.o intrinsics.o systable.o \ lib-$(CONFIG_ARM) += arm32-stub.o lib-$(CONFIG_ARM64) += kaslr.o arm64.o arm64-stub.o smbios.o -lib-$(CONFIG_X86) += x86-stub.o +lib-$(CONFIG_X86) += x86-stub.o smbios.o lib-$(CONFIG_X86_64) += x86-5lvl.o lib-$(CONFIG_RISCV) += kaslr.o riscv.o riscv-stub.o lib-$(CONFIG_LOONGARCH) += loongarch.o loongarch-stub.o diff --git a/drivers/firmware/efi/libstub/smbios.c b/drivers/firmware/efi/libstub/smbios.c index 520c9079717a..f31410d7e7e1 100644 --- a/drivers/firmware/efi/libstub/smbios.c +++ b/drivers/firmware/efi/libstub/smbios.c @@ -6,20 +6,31 @@ #include "efistub.h" -typedef struct efi_smbios_protocol efi_smbios_protocol_t; - -struct efi_smbios_protocol { - efi_status_t (__efiapi *add)(efi_smbios_protocol_t *, efi_handle_t, - u16 *, struct efi_smbios_record *); - efi_status_t (__efiapi *update_string)(efi_smbios_protocol_t *, u16 *, - unsigned long *, u8 *); - efi_status_t (__efiapi *remove)(efi_smbios_protocol_t *, u16); - efi_status_t (__efiapi *get_next)(efi_smbios_protocol_t *, u16 *, u8 *, - struct efi_smbios_record **, - efi_handle_t *); - - u8 major_version; - u8 minor_version; +typedef union efi_smbios_protocol efi_smbios_protocol_t; + +union efi_smbios_protocol { + struct { + efi_status_t (__efiapi *add)(efi_smbios_protocol_t *, efi_handle_t, + u16 *, struct efi_smbios_record *); + efi_status_t (__efiapi *update_string)(efi_smbios_protocol_t *, u16 *, + unsigned long *, u8 *); + efi_status_t (__efiapi *remove)(efi_smbios_protocol_t *, u16); + efi_status_t (__efiapi *get_next)(efi_smbios_protocol_t *, u16 *, u8 *, + struct efi_smbios_record **, + efi_handle_t *); + + u8 major_version; + u8 minor_version; + }; + struct { + u32 add; + u32 update_string; + u32 remove; + u32 get_next; + + u8 major_version; + u8 minor_version; + } mixed_mode; }; const struct efi_smbios_record *efi_get_smbios_record(u8 type) diff --git a/include/linux/efi.h b/include/linux/efi.h index 418e555459da..2a539816a436 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -74,10 +74,10 @@ typedef void *efi_handle_t; */ typedef guid_t efi_guid_t __aligned(__alignof__(u32)); -#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ +#define EFI_GUID(a, b, c, d...) ((efi_guid_t){ { \ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ (b) & 0xff, ((b) >> 8) & 0xff, \ - (c) & 0xff, ((c) >> 8) & 0xff, d } } + (c) & 0xff, ((c) >> 8) & 0xff, d } }) /* * Generic EFI table header |