arch/x86/include/asm/unaccepted_memory.h

   1 #ifndef _ASM_X86_UNACCEPTED_MEMORY_H
   2 #define _ASM_X86_UNACCEPTED_MEMORY_H
   3
   4 #include <linux/efi.h>
   5 #include <asm/tdx.h>
   6 #include <asm/sev.h>
   7
   8 static inline void arch_accept_memory(phys_addr_t start, phys_addr_t end)
   9 {
  10         /* Platform-specific memory-acceptance call goes here */
  11         if (cpu_feature_enabled(X86_FEATURE_TDX_GUEST)) {
  12                 if (!tdx_accept_memory(start, end))
  13                         panic("TDX: Failed to accept memory\n");
  14         } else if (cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) {
  15                 snp_accept_memory(start, end);
  16         } else {
  17                 panic("Cannot accept memory: unknown platform\n");
  18         }
  19 }
  20
  21 static inline struct efi_unaccepted_memory *efi_get_unaccepted_table(void)
  22 {
  23         if (efi.unaccepted == EFI_INVALID_TABLE_ADDR)
  24                 return NULL;
  25         return __va(efi.unaccepted);
  26 }
  27 #endif