diff options
Diffstat (limited to 'drivers/edgetpu/edgetpu-internal.h')
| -rw-r--r-- | drivers/edgetpu/edgetpu-internal.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/edgetpu/edgetpu-internal.h b/drivers/edgetpu/edgetpu-internal.h index 0ed3e55..747150f 100644 --- a/drivers/edgetpu/edgetpu-internal.h +++ b/drivers/edgetpu/edgetpu-internal.h @@ -163,6 +163,18 @@ enum edgetpu_dev_state { ETDEV_STATE_BAD = 3, /* firmware/device is in unusable state. */ }; +/* + * struct edgetpu_dev_prop + * @lock: Protects initialized and opaque. + * @initialized: Set to true when this struct object is initialized. + * @opaque: Device properties defined by runtime and firmware. + */ +struct edgetpu_dev_prop { + struct mutex lock; + bool initialized; + u8 opaque[EDGETPU_DEV_PROP_SIZE]; +}; + /* a mark to know whether we read valid versions from the firmware header */ #define EDGETPU_INVALID_KCI_VERSION (~0u) @@ -210,6 +222,8 @@ struct edgetpu_dev { /* version read from the firmware binary file */ struct edgetpu_fw_version fw_version; atomic_t job_count; /* times joined to a device group */ + /* To save device properties */ + struct edgetpu_dev_prop device_prop; /* counts of error events */ uint firmware_crash_count; |