mirror_ubuntu-kernels/arch/x86/include/asm/unaccepted_memory.h

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2024-07-02 00:48:40 +03:00
#ifndef _ASM_X86_UNACCEPTED_MEMORY_H
#define _ASM_X86_UNACCEPTED_MEMORY_H
#include <linux/efi.h>
#include <asm/tdx.h>
#include <asm/sev.h>
static inline void arch_accept_memory(phys_addr_t start, phys_addr_t end)
{
/* Platform-specific memory-acceptance call goes here */
if (cpu_feature_enabled(X86_FEATURE_TDX_GUEST)) {
if (!tdx_accept_memory(start, end))
panic("TDX: Failed to accept memory\n");
} else if (cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) {
snp_accept_memory(start, end);
} else {
panic("Cannot accept memory: unknown platform\n");
}
}
static inline struct efi_unaccepted_memory *efi_get_unaccepted_table(void)
{
if (efi.unaccepted == EFI_INVALID_TABLE_ADDR)
return NULL;
return __va(efi.unaccepted);
}
#endif