Files
Linux_Drivers/linux_5.10/drivers/char/tpm/tpm-dev.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

34 lines
944 B
C

/* 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;
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;
ssize_t response_length;
bool response_read;
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