diff options
Diffstat (limited to 'drivers/misc/mei/interface.h')
-rw-r--r-- | drivers/misc/mei/interface.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/misc/mei/interface.h b/drivers/misc/mei/interface.h new file mode 100644 index 000000000000..ddff5d16616f --- /dev/null +++ b/drivers/misc/mei/interface.h @@ -0,0 +1,75 @@ +/* + * + * Intel Management Engine Interface (Intel MEI) Linux driver + * Copyright (c) 2003-2012, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + */ + + + +#ifndef _MEI_INTERFACE_H_ +#define _MEI_INTERFACE_H_ + +#include <linux/mei.h> +#include "mei_dev.h" + + +#define AMT_WD_DEFAULT_TIMEOUT 120 /* seconds */ +#define AMT_WD_MIN_TIMEOUT 120 /* seconds */ +#define AMT_WD_MAX_TIMEOUT 65535 /* seconds */ + +#define MEI_WATCHDOG_DATA_SIZE 16 +#define MEI_START_WD_DATA_SIZE 20 +#define MEI_WD_PARAMS_SIZE 4 + + +void mei_read_slots(struct mei_device *dev, + unsigned char *buffer, + unsigned long buffer_length); + +int mei_write_message(struct mei_device *dev, + struct mei_msg_hdr *header, + unsigned char *write_buffer, + unsigned long write_length); + +int mei_host_buffer_is_empty(struct mei_device *dev); + +int mei_count_full_read_slots(struct mei_device *dev); + +int mei_count_empty_write_slots(struct mei_device *dev); + +int mei_flow_ctrl_creds(struct mei_device *dev, struct mei_cl *cl); + +int mei_wd_send(struct mei_device *dev); +int mei_wd_stop(struct mei_device *dev, bool preserve); +int mei_wd_host_init(struct mei_device *dev); +/* + * mei_watchdog_register - Registering watchdog interface + * once we got connection to the WD Client + * @dev - mei device + */ +void mei_watchdog_register(struct mei_device *dev); +/* + * mei_watchdog_unregister - Unregistering watchdog interface + * @dev - mei device + */ +void mei_watchdog_unregister(struct mei_device *dev); + +int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl); + +int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl); + +int mei_disconnect(struct mei_device *dev, struct mei_cl *cl); +int mei_other_client_is_connecting(struct mei_device *dev, struct mei_cl *cl); +int mei_connect(struct mei_device *dev, struct mei_cl *cl); + +#endif /* _MEI_INTERFACE_H_ */ |