diff options
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index beff9ef319f8..1aaaf0b6681c 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -153,6 +153,20 @@ struct mei_msg_data { unsigned char *data; }; +/* Maximum number of processed FW status registers */ +#define MEI_FW_STATUS_MAX 2 + +/* + * struct mei_fw_status - storage of FW status data + * + * @count - number of actually available elements in array + * @status - FW status registers + */ +struct mei_fw_status { + int count; + u32 status[MEI_FW_STATUS_MAX]; +}; + /** * struct mei_me_client - representation of me (fw) client * @@ -213,6 +227,7 @@ struct mei_cl { /** struct mei_hw_ops * + * @fw_status - read FW status from PCI config space * @host_is_ready - query for host readiness * @hw_is_ready - query if hw is ready @@ -240,6 +255,8 @@ struct mei_cl { */ struct mei_hw_ops { + int (*fw_status)(struct mei_device *dev, + struct mei_fw_status *fw_status); bool (*host_is_ready)(struct mei_device *dev); bool (*hw_is_ready)(struct mei_device *dev); @@ -681,6 +698,17 @@ static inline int mei_count_full_read_slots(struct mei_device *dev) return dev->ops->rdbuf_full_slots(dev); } +static inline int mei_fw_status(struct mei_device *dev, + struct mei_fw_status *fw_status) +{ + return dev->ops->fw_status(dev, fw_status); +} + +#define FW_STS_FMT "%08X %08X" +#define FW_STS_PRM(fw_status) \ + (fw_status).count > 0 ? (fw_status).status[0] : 0xDEADBEEF, \ + (fw_status).count > 1 ? (fw_status).status[1] : 0xDEADBEEF + bool mei_hbuf_acquire(struct mei_device *dev); bool mei_write_is_idle(struct mei_device *dev); |