blob: a126b575cb8c8ac6cce4a62cd263e13bbc7d6a9c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TPM_DEV_H
#define _TPM_DEV_H
#include <linux/poll.h>
#include "tpm.h"
struct file_priv {
struct tpm_chip *chip;
struct tpm_space *space;
/* Holds the amount of data passed or an error code from async op */
ssize_t data_pending;
struct mutex buffer_mutex;
struct timer_list user_read_timer; /* user needs to claim result */
struct work_struct timeout_work;
struct work_struct async_work;
wait_queue_head_t async_wait;
bool command_enqueued;
u8 data_buffer[TPM_BUFSIZE];
};
void tpm_common_open(struct file *file, struct tpm_chip *chip,
struct file_priv *priv, struct tpm_space *space);
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);
__poll_t tpm_common_poll(struct file *file, poll_table *wait);
void tpm_common_release(struct file *file, struct file_priv *priv);
#endif
|
