blob: ba3b6f9dacf7c6a0f55bca4de024ea736f3304b9 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TPM_DEV_H
#define _TPM_DEV_H
#include "tpm.h"
struct file_priv {
struct tpm_chip *chip;
/* Data passed to and from the tpm via the read/write calls */
atomic_t data_pending;
struct mutex buffer_mutex;
struct timer_list user_read_timer; /* user needs to claim result */
struct work_struct work;
u8 data_buffer[TPM_BUFSIZE];
void tpm_common_open(struct file *file, struct tpm_chip *chip,
struct file_priv *priv);
ssize_t tpm_common_read(struct file *file, char __user *buf,
size_t size, loff_t *off);
ssize_t tpm_common_write(struct file *file, const char __user *buf,
size_t size, loff_t *off, struct tpm_space *space);
void tpm_common_release(struct file *file, struct file_priv *priv);