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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/misc/mei/hbm.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
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 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h new file mode 100644 index 000000000..cd5b08ca3 --- /dev/null +++ b/drivers/misc/mei/hbm.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2003-2018, Intel Corporation. All rights reserved. + * Intel Management Engine Interface (Intel MEI) Linux driver + */ + +#ifndef _MEI_HBM_H_ +#define _MEI_HBM_H_ + +struct mei_device; +struct mei_msg_hdr; +struct mei_cl; +struct mei_dma_data; + +/** + * 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_CAP_SETUP : capabilities request message was sent + * @MEI_HBM_DR_SETUP : dma ring setup 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_CAP_SETUP, + MEI_HBM_DR_SETUP, + 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); +int mei_hbm_cl_dma_map_req(struct mei_device *dev, struct mei_cl *cl); +int mei_hbm_cl_dma_unmap_req(struct mei_device *dev, struct mei_cl *cl); +#endif /* _MEI_HBM_H_ */ + |