drivers/char/tpm/tpm-dev.h

Source file repositories/reference/linux-study-clean/drivers/char/tpm/tpm-dev.h

File Facts

System
Linux kernel
Corpus path
drivers/char/tpm/tpm-dev.h
Extension
.h
Size
944 bytes
Lines
34
Domain
Driver Families
Bucket
drivers/char
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

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

Annotation

Implementation Notes