diff options
Diffstat (limited to 'drivers/misc/mei/hw.h')
| -rw-r--r-- | drivers/misc/mei/hw.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index e961be392fae..a2c7aaba25d4 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -95,6 +95,11 @@ #define MEI_HBM_ADD_CLIENT_REQ_CMD 0x0f #define MEI_HBM_ADD_CLIENT_RES_CMD 0x8f + +#define MEI_HBM_NOTIFY_REQ_CMD 0x10 +#define MEI_HBM_NOTIFY_RES_CMD 0x90 +#define MEI_HBM_NOTIFICATION_CMD 0x11 + /* * MEI Stop Reason * used by hbm_host_stop_request.reason @@ -352,5 +357,62 @@ struct hbm_flow_control { u8 reserved[MEI_FC_MESSAGE_RESERVED_LENGTH]; } __packed; +#define MEI_HBM_NOTIFICATION_START 1 +#define MEI_HBM_NOTIFICATION_STOP 0 +/** + * struct hbm_notification_request - start/stop notification request + * + * @hbm_cmd: bus message command header + * @me_addr: address of the client in ME + * @host_addr: address of the client in the driver + * @start: start = 1 or stop = 0 asynchronous notifications + */ +struct hbm_notification_request { + u8 hbm_cmd; + u8 me_addr; + u8 host_addr; + u8 start; +} __packed; + +/** + * struct hbm_notification_response - start/stop notification response + * + * @hbm_cmd: bus message command header + * @me_addr: address of the client in ME + * @host_addr: - address of the client in the driver + * @status: (mei_hbm_status) response status for the request + * - MEI_HBMS_SUCCESS: successful stop/start + * - MEI_HBMS_CLIENT_NOT_FOUND: if the connection could not be found. + * - MEI_HBMS_ALREADY_STARTED: for start requests for a previously + * started notification. + * - MEI_HBMS_NOT_STARTED: for stop request for a connected client for whom + * asynchronous notifications are currently disabled. + * + * @start: start = 1 or stop = 0 asynchronous notifications + * @reserved: reserved + */ +struct hbm_notification_response { + u8 hbm_cmd; + u8 me_addr; + u8 host_addr; + u8 status; + u8 start; + u8 reserved[3]; +} __packed; + +/** + * struct hbm_notification - notification event + * + * @hbm_cmd: bus message command header + * @me_addr: address of the client in ME + * @host_addr: address of the client in the driver + * @reserved: reserved for alignment + */ +struct hbm_notification { + u8 hbm_cmd; + u8 me_addr; + u8 host_addr; + u8 reserved[1]; +} __packed; #endif |