linux/arch/x86/kernel/cpu/sgx/driver.h
Eric Biggers e59236b5a0 x86/sgx: Use SHA-256 library API instead of crypto_shash API
This user of SHA-256 does not support any other algorithm, so the
crypto_shash abstraction provides no value.  Just use the SHA-256
library API instead, which is much simpler and easier to use.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20250428183838.799333-1-ebiggers%40kernel.org
2025-04-28 12:39:33 -07:00

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C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_SGX_DRIVER_H__
#define __ARCH_SGX_DRIVER_H__
#include <linux/kref.h>
#include <linux/mmu_notifier.h>
#include <linux/radix-tree.h>
#include <linux/rwsem.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <uapi/asm/sgx.h>
#include "sgx.h"
#define SGX_EINIT_SPIN_COUNT 20
#define SGX_EINIT_SLEEP_COUNT 50
#define SGX_EINIT_SLEEP_TIME 20
extern u64 sgx_attributes_reserved_mask;
extern u64 sgx_xfrm_reserved_mask;
extern u32 sgx_misc_reserved_mask;
extern const struct file_operations sgx_provision_fops;
long sgx_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
int sgx_drv_init(void);
#endif /* __ARCH_X86_SGX_DRIVER_H__ */