Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _TPM_DEV_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _TPM_DEV_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/poll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include "tpm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) struct file_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	struct tpm_chip *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	struct tpm_space *space;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	struct mutex buffer_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	struct timer_list user_read_timer;      /* user needs to claim result */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	struct work_struct timeout_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	struct work_struct async_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	wait_queue_head_t async_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	ssize_t response_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	bool response_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	bool command_enqueued;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	u8 data_buffer[TPM_BUFSIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) void tpm_common_open(struct file *file, struct tpm_chip *chip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		     struct file_priv *priv, struct tpm_space *space);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) ssize_t tpm_common_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			size_t size, loff_t *off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ssize_t tpm_common_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 			 size_t size, loff_t *off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __poll_t tpm_common_poll(struct file *file, poll_table *wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void tpm_common_release(struct file *file, struct file_priv *priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif