vistara.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 VISTARA_H
#define VISTARA_H
 
#ifdef ENABLE_VISTARA
#include "cci.h"
 
#define READ_DDR_TEMP_REQ_LEN 0
#define READ_DDR_TEMP_RESP_LEN 32
 
enum VISTARA_CCI_CMD_OEM_OPCODE {
    CCI_OEM_OP_READ_DDR_TEMP = 0xC531,
};
 
enum VISTARA_SENSOR_TYPE {
    DDR_TEMP,
};
 
enum VISTARA_DIMM_ID {
    DIMMA_ID = 0,
    DIMMB_ID,
    DIMMC_ID,
    DIMMD_ID,
    MAX_DIMM_ID,
};
 
typedef struct {
    uint8_t temp_valid;
    uint8_t dimm_id;
    uint8_t spd_id;
    uint8_t reserved;
    uint8_t dimm_temp[4];
} read_ddr_temp_resp;
 
uint8_t plat_get_cxl_eid(uint8_t cxl_id);
void plat_set_dimm_cache(uint8_t *resp_buf, uint8_t cxl_id, uint8_t status);
float plat_get_dimm_cache(uint8_t cxl_id, uint8_t dimm_id);
bool vistara_cci_command(uint8_t cxl_eid, mctp_cci_msg cci_msg, uint8_t *resp, uint8_t resp_len);
bool vistara_read_ddr_temp(uint8_t cxl_eid, uint8_t *resp);
 
#endif
#endif