diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/misc/mei/hbm.h | |
Diffstat (limited to 'drivers/misc/mei/hbm.h')
| -rw-r--r-- | drivers/misc/mei/hbm.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h new file mode 100644 index 00000000..e80dc24e --- /dev/null +++ b/drivers/misc/mei/hbm.h @@ -0,0 +1,60 @@ +/* + * + * 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_HBM_H_ +#define _MEI_HBM_H_ + +struct mei_device; +struct mei_msg_hdr; +struct mei_cl; + +/** + * enum mei_hbm_state - host bus message protocol state + * + * @MEI_HBM_IDLE : protocol not started + * @MEI_HBM_START : start request message was sent + * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent + * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties + */ +enum mei_hbm_state { + MEI_HBM_IDLE = 0, + MEI_HBM_START, + MEI_HBM_ENUM_CLIENTS, + MEI_HBM_CLIENT_PROPERTIES, + MEI_HBM_STARTED, + MEI_HBM_STOP, +}; + +void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); + +static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length) +{ + hdr->host_addr = 0; + hdr->me_addr = 0; + hdr->length = length; + hdr->msg_complete = 1; + hdr->reserved = 0; +} + +int mei_hbm_start_req(struct mei_device *dev); +int mei_hbm_start_wait(struct mei_device *dev); +int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl); +int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl); +int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl); + + +#endif /* _MEI_HBM_H_ */ + |