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https://github.com/riscv-software-src/opensbi.git
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Subrahmanya Lingappa
262571217c
Add RPMI MPXY proxy driver for LOGGING service group so that S-mode can leverage LOGGING service group implemented by the platform microcontroller. Reviewed-by: Rahul Pathak <rahul.pathak@oss.qualcomm.com> Signed-off-by: Subrahmanya Lingappa <subrahmanya.lingappa@oss.qualcomm.com> Link: https://lore.kernel.org/r/20260619103424.990954-1-subrahmanya.lingappa@oss.qualcomm.com Signed-off-by: Anup Patel <anup@brainfault.org>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2026 Qualcomm, Inc
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*
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* Authors:
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* Subrahmanya Lingappa <subrahmanya.lingappa@oss.qualcomm.com>
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*/
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#include <sbi_utils/mpxy/fdt_mpxy_rpmi_mbox.h>
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static struct mpxy_rpmi_service_data logging_services[] = {
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[0] = {
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.id = RPMI_MM_SRV_ENABLE_NOTIFICATION,
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.min_tx_len = sizeof(struct rpmi_enable_notification_req),
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.max_tx_len = sizeof(struct rpmi_enable_notification_req),
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.min_rx_len = sizeof(struct rpmi_enable_notification_resp),
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.max_rx_len = sizeof(struct rpmi_enable_notification_resp),
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},
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[1] = {
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.id = RPMI_LOGGING_SRV_LOG_DATA,
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.min_tx_len = sizeof(u32) * 2,
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.max_tx_len = sizeof(struct rpmi_logging_log_data_req),
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.min_rx_len = sizeof(struct rpmi_logging_log_data_resp),
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.max_rx_len = sizeof(struct rpmi_logging_log_data_resp),
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},
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/*
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* Keep a local terminator for safe lookup because only service ID 0x02
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* is intentionally exposed by this MPXY service group handler.
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*/
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[2] = {
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.id = RPMI_LOGGING_SRV_MAX_COUNT,
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},
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};
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static const struct mpxy_rpmi_mbox_data logging_data = {
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.servicegrp_id = RPMI_SRVGRP_LOGGING,
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.num_services = RPMI_LOGGING_SRV_MAX_COUNT,
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.service_data = logging_services,
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};
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static const struct fdt_match logging_match[] = {
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{ .compatible = "riscv,rpmi-mpxy-logging", .data = &logging_data },
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{ },
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};
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const struct fdt_driver fdt_mpxy_rpmi_logging = {
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.match_table = logging_match,
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.init = mpxy_rpmi_mbox_init,
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.experimental = true,
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};
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