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33 lines
944 B
33 lines
944 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _TPM_DEV_H |
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#define _TPM_DEV_H |
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#include <linux/poll.h> |
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#include "tpm.h" |
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struct file_priv { |
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struct tpm_chip *chip; |
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struct tpm_space *space; |
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struct mutex buffer_mutex; |
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struct timer_list user_read_timer; /* user needs to claim result */ |
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struct work_struct timeout_work; |
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struct work_struct async_work; |
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wait_queue_head_t async_wait; |
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ssize_t response_length; |
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bool response_read; |
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bool command_enqueued; |
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u8 data_buffer[TPM_BUFSIZE]; |
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}; |
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void tpm_common_open(struct file *file, struct tpm_chip *chip, |
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struct file_priv *priv, struct tpm_space *space); |
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ssize_t tpm_common_read(struct file *file, char __user *buf, |
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size_t size, loff_t *off); |
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ssize_t tpm_common_write(struct file *file, const char __user *buf, |
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size_t size, loff_t *off); |
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__poll_t tpm_common_poll(struct file *file, poll_table *wait); |
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void tpm_common_release(struct file *file, struct file_priv *priv); |
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#endif
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