linux/arch/x86/mm/mem_encrypt.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Memory Encryption Support Common Code
 *
 * Copyright (C) 2016 Advanced Micro Devices, Inc.
 *
 * Author: Tom Lendacky <[email protected]>
 */

#include <linux/dma-direct.h>
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
#include <linux/cc_platform.h>
#include <linux/mem_encrypt.h>
#include <linux/virtio_anchor.h>

#include <asm/sev.h>

/* Override for DMA direct allocation check - ARCH_HAS_FORCE_DMA_UNENCRYPTED */
bool force_dma_unencrypted(struct device *dev)
{ … }

static void print_mem_encrypt_feature_info(void)
{ … }

/* Architecture __weak replacement functions */
void __init mem_encrypt_init(void)
{ … }

void __init mem_encrypt_setup_arch(void)
{ … }