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/* SPDX-License-Identifier: BSD-3-Clause */
/*
* Copyright (c) 2015-2019, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2019-2020, Linaro Limited
*/
#ifndef SCMI_MSG_BASE_H
#define SCMI_MSG_BASE_H
#include <stdint.h>
#define SCMI_PROTOCOL_VERSION_BASE 0x20000U
#define SCMI_DEFAULT_STRING_LENGTH 16U
enum scmi_base_message_id {
SCMI_BASE_DISCOVER_VENDOR = 0x003,
SCMI_BASE_DISCOVER_SUB_VENDOR = 0x004,
SCMI_BASE_DISCOVER_IMPLEMENTATION_VERSION = 0x005,
SCMI_BASE_DISCOVER_LIST_PROTOCOLS = 0x006,
SCMI_BASE_DISCOVER_AGENT = 0x007,
SCMI_BASE_NOTIFY_ERRORS = 0x008,
};
/*
* PROTOCOL_ATTRIBUTES
*/
#define SCMI_BASE_PROTOCOL_ATTRS_NUM_PROTOCOLS_POS 0
#define SCMI_BASE_PROTOCOL_ATTRS_NUM_AGENTS_POS 8
#define SCMI_BASE_PROTOCOL_ATTRS_NUM_PROTOCOLS_MASK 0xFFU
#define SCMI_BASE_PROTOCOL_ATTRS_NUM_AGENTS_MASK 0xFF00U
#define SCMI_BASE_PROTOCOL_ATTRIBUTES(NUM_PROTOCOLS, NUM_AGENTS) \
((((NUM_PROTOCOLS) << SCMI_BASE_PROTOCOL_ATTRS_NUM_PROTOCOLS_POS) & \
SCMI_BASE_PROTOCOL_ATTRS_NUM_PROTOCOLS_MASK) | \
(((NUM_AGENTS) << SCMI_BASE_PROTOCOL_ATTRS_NUM_AGENTS_POS) & \
SCMI_BASE_PROTOCOL_ATTRS_NUM_AGENTS_MASK))
/*
* BASE_DISCOVER_VENDOR
*/
struct scmi_base_discover_vendor_p2a {
int32_t status;
char vendor_identifier[SCMI_DEFAULT_STRING_LENGTH];
};
/*
* BASE_DISCOVER_SUB_VENDOR
*/
struct scmi_base_discover_sub_vendor_p2a {
int32_t status;
char sub_vendor_identifier[SCMI_DEFAULT_STRING_LENGTH];
};
/*
* BASE_DISCOVER_IMPLEMENTATION_VERSION
* No special structure right now, see protocol_version.
*/
/*
* BASE_DISCOVER_LIST_PROTOCOLS
*/
struct scmi_base_discover_list_protocols_a2p {
uint32_t skip;
};
struct scmi_base_discover_list_protocols_p2a {
int32_t status;
uint32_t num_protocols;
uint32_t protocols[];
};
#endif /* SCMI_MSG_BASE_H */