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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/misc/mei/hbm.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/misc/mei/hbm.h')
| -rw-r--r-- | drivers/misc/mei/hbm.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h new file mode 100644 index 000000000..a2025a508 --- /dev/null +++ b/drivers/misc/mei/hbm.h @@ -0,0 +1,62 @@ +/* + * + * 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_STARTING : start request message was sent + * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent + * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties + * @MEI_HBM_STARTED : enumeration was completed + * @MEI_HBM_STOPPED : stopping exchange + */ +enum mei_hbm_state { + MEI_HBM_IDLE = 0, + MEI_HBM_STARTING, + MEI_HBM_ENUM_CLIENTS, + MEI_HBM_CLIENT_PROPERTIES, + MEI_HBM_STARTED, + MEI_HBM_STOPPED, +}; + +const char *mei_hbm_state_str(enum mei_hbm_state state); + +int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr); + +void mei_hbm_idle(struct mei_device *dev); +void mei_hbm_reset(struct mei_device *dev); +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_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl); +int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl); +bool mei_hbm_version_is_supported(struct mei_device *dev); +int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd); +void mei_hbm_pg_resume(struct mei_device *dev); +int mei_hbm_cl_notify_req(struct mei_device *dev, + struct mei_cl *cl, u8 request); + +#endif /* _MEI_HBM_H_ */ + |