diff options
| author | Cristian Marussi <cristian.marussi@arm.com> | 2023-01-18 15:14:21 +0300 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2023-01-20 14:41:15 +0300 |
| commit | 3c3d818a9317a5f8ff7fb4547b2d6d5bcc39137d (patch) | |
| tree | 6c5f82c1604719220e82a9c2d1dbb0d53e751ba0 /drivers/firmware/arm_scmi/raw_mode.h | |
| parent | 0f62ed0092ec468f48847897738dfafa8b941991 (diff) | |
| download | linux-3c3d818a9317a5f8ff7fb4547b2d6d5bcc39137d.tar.xz | |
firmware: arm_scmi: Add core raw transmission support
Add SCMI raw mode support which exposes a userspace interface to allow for
bare SCMI command injection and snooping from userspace.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-13-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi/raw_mode.h')
| -rw-r--r-- | drivers/firmware/arm_scmi/raw_mode.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/raw_mode.h b/drivers/firmware/arm_scmi/raw_mode.h new file mode 100644 index 000000000000..1e3d1660b0e4 --- /dev/null +++ b/drivers/firmware/arm_scmi/raw_mode.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * System Control and Management Interface (SCMI) Message Protocol + * Raw mode support header. + * + * Copyright (C) 2022 ARM Ltd. + */ +#ifndef _SCMI_RAW_MODE_H +#define _SCMI_RAW_MODE_H + +#include "common.h" + +enum { + SCMI_RAW_REPLY_QUEUE, + SCMI_RAW_NOTIF_QUEUE, + SCMI_RAW_ERRS_QUEUE, + SCMI_RAW_MAX_QUEUE +}; + +void *scmi_raw_mode_init(const struct scmi_handle *handle, + struct dentry *top_dentry, int instance_id, + const struct scmi_desc *desc, int tx_max_msg); +void scmi_raw_mode_cleanup(void *raw); + +void scmi_raw_message_report(void *raw, struct scmi_xfer *xfer, + unsigned int idx); +void scmi_raw_error_report(void *raw, struct scmi_chan_info *cinfo, + u32 msg_hdr, void *priv); + +#endif /* _SCMI_RAW_MODE_H */ |