#ifndef _LINUX_EFI_BGRT_H
  #define _LINUX_EFI_BGRT_H
  
  #ifdef CONFIG_ACPI_BGRT
  
  #include <linux/acpi.h>
  
  void efi_bgrt_init(void);
  
  /* The BGRT data itself; only valid if bgrt_image != NULL. */
  extern void *bgrt_image;
  extern size_t bgrt_image_size;
  extern struct acpi_table_bgrt *bgrt_tab;
  
  #else /* !CONFIG_ACPI_BGRT */
  
  static inline void efi_bgrt_init(void) {}
  
  #endif /* !CONFIG_ACPI_BGRT */
  
  #endif /* _LINUX_EFI_BGRT_H */