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Diffstat (limited to 'include/linux/efi.h')
-rw-r--r--include/linux/efi.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index a0008e3d4e9d..57695f400044 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -523,6 +523,7 @@ typedef struct {
extern struct efi {
const efi_runtime_services_t *runtime; /* EFI runtime services table */
unsigned int runtime_version; /* Runtime services version */
+ unsigned int runtime_supported_mask;
unsigned long acpi; /* ACPI table (IA64 ext 0.71) */
unsigned long acpi20; /* ACPI table (ACPI 2.0) */
@@ -551,6 +552,26 @@ extern struct efi {
unsigned long flags;
} efi;
+#define EFI_RT_SUPPORTED_GET_TIME 0x0001
+#define EFI_RT_SUPPORTED_SET_TIME 0x0002
+#define EFI_RT_SUPPORTED_GET_WAKEUP_TIME 0x0004
+#define EFI_RT_SUPPORTED_SET_WAKEUP_TIME 0x0008
+#define EFI_RT_SUPPORTED_GET_VARIABLE 0x0010
+#define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME 0x0020
+#define EFI_RT_SUPPORTED_SET_VARIABLE 0x0040
+#define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP 0x0080
+#define EFI_RT_SUPPORTED_CONVERT_POINTER 0x0100
+#define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT 0x0200
+#define EFI_RT_SUPPORTED_RESET_SYSTEM 0x0400
+#define EFI_RT_SUPPORTED_UPDATE_CAPSULE 0x0800
+#define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES 0x1000
+#define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO 0x2000
+
+#define EFI_RT_SUPPORTED_ALL 0x3fff
+
+#define EFI_RT_SUPPORTED_TIME_SERVICES 0x000f
+#define EFI_RT_SUPPORTED_VARIABLE_SERVICES 0x0070
+
extern struct mm_struct efi_mm;
static inline int
@@ -761,6 +782,11 @@ static inline bool __pure efi_soft_reserve_enabled(void)
return IS_ENABLED(CONFIG_EFI_SOFT_RESERVE)
&& __efi_soft_reserve_enabled();
}
+
+static inline bool efi_rt_services_supported(unsigned int mask)
+{
+ return (efi.runtime_supported_mask & mask) == mask;
+}
#else
static inline bool efi_enabled(int feature)
{
@@ -779,6 +805,11 @@ static inline bool efi_soft_reserve_enabled(void)
{
return false;
}
+
+static inline bool efi_rt_services_supported(unsigned int mask)
+{
+ return false;
+}
#endif
extern int efi_status_to_err(efi_status_t status);