plat_mctp.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _PLAT_MCTP_h
#define _PLAT_MCTP_h
#include <kernel.h>
#include "storage_handler.h"
#include "pldm.h"
 
/* i2c 8 bit address */
#define I2C_ADDR_BIC 0x40
#define I2C_ADDR_BMC 0x20
/* i2c dev bus*/
#define I2C_BUS_BMC 0x02
 
/* i3c dev bus */
#define I3C_BUS_BMC 0
#define I3C_BUS_CONTROLLER 1
#define I3C_BUS_HUB 1
#define I3C_ADDR_HUB 0x70
 
#define I3C_STATIC_ADDR_BIC 0x40
#define I3C_STATIC_ADDR_BMC 0x20
#define I3C_STATIC_ADDR_FF_BIC 0x9
#define I3C_STATIC_ADDR_WF_BIC 0xA
 
/* mctp endpoint */
#define MCTP_EID_BMC 0x08
 
struct mctp_to_ipmi_header_req {
    uint8_t iana[IANA_LEN];
    uint8_t netfn_lun;
    uint8_t ipmi_cmd;
} __attribute__((__packed__));
;
 
struct mctp_to_ipmi_header_resp {
    uint8_t completion_code;
    uint8_t netfn_lun;
    uint8_t ipmi_cmd;
    uint8_t ipmi_comp_code;
} __attribute__((__packed__));
;
 
struct mctp_to_ipmi_sel_req {
    struct mctp_to_ipmi_header_req header;
    struct ipmi_storage_add_sel_req req_data;
} __attribute__((__packed__));
 
struct mctp_to_ipmi_sel_resp {
    struct mctp_to_ipmi_header_resp header;
    struct ipmi_storage_add_sel_resp resp_data;
} __attribute__((__packed__));
 
/* init the mctp moduel for platform */
void plat_mctp_init(void);
void send_cmd_to_dev(struct k_timer *timer);
void send_cmd_to_dev_handler(struct k_work *work);
bool mctp_add_sel_to_ipmi(common_addsel_msg_t *sel_msg);
uint8_t plat_get_mctp_port_count();
mctp_port *plat_get_mctp_port(uint8_t index);
uint8_t plat_get_eid();
 
mctp *find_mctp_by_bus(uint8_t bus);
 
#endif /* _PLAT_MCTP_h */