diff options
Diffstat (limited to 'drivers/char/tpm/tpm-dev.h')
| -rw-r--r-- | drivers/char/tpm/tpm-dev.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm-dev.h b/drivers/char/tpm/tpm-dev.h index 4048677bbd78..a126b575cb8c 100644 --- a/drivers/char/tpm/tpm-dev.h +++ b/drivers/char/tpm/tpm-dev.h @@ -2,18 +2,22 @@ #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; - /* Data passed to and from the tpm via the read/write calls */ - size_t data_pending; + /* 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 work; + struct work_struct timeout_work; + struct work_struct async_work; + wait_queue_head_t async_wait; + bool command_enqueued; u8 data_buffer[TPM_BUFSIZE]; }; @@ -24,6 +28,7 @@ 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); -void tpm_common_release(struct file *file, struct file_priv *priv); +__poll_t tpm_common_poll(struct file *file, poll_table *wait); +void tpm_common_release(struct file *file, struct file_priv *priv); #endif |