void pal_STORAGE_GET_SDR()

in meta-facebook/yv35-bb/src/ipmi/plat_ipmi.c [317:377]

• 48 lines of code
• 8 McCabe index (conditional complexity)

void pal_STORAGE_GET_SDR(ipmi_msg *msg)
{
	if (msg == NULL) {
		printf("%s: parameter msg is NULL\n", __func__);
		return;
	}

	if (msg->data_len != 6) {
		msg->completion_code = CC_INVALID_LENGTH;
		return;
	}

	uint16_t next_record_ID;
	uint16_t rsv_ID, record_ID;
	uint8_t offset, req_len;
	uint8_t *table_ptr;
	uint8_t rsv_table_index = RSV_TABLE_INDEX_0;

	rsv_ID = (msg->data[1] << 8) | msg->data[0];
	record_ID = (msg->data[3] << 8) | msg->data[2];
	offset = msg->data[4];
	req_len = msg->data[5];

	// Config D: slot1 and slot3 need to use different reservation id
	if (msg->InF_source == SLOT3_BIC_IFs) {
		rsv_table_index = RSV_TABLE_INDEX_1;
	}

	if (!SDR_RSV_ID_check(rsv_ID, rsv_table_index)) {
		msg->completion_code = CC_INVALID_RESERVATION;
		return;
	}

	if (!SDR_check_record_ID(record_ID)) {
		msg->completion_code = CC_INVALID_DATA_FIELD;
		return;
	}

	if ((req_len + 2) >
	    IPMI_DATA_MAX_LENGTH) { // request length + next record ID should not over IPMB data limit
		msg->completion_code = CC_LENGTH_EXCEEDED;
		return;
	}

	if ((offset + req_len) > IPMI_SDR_HEADER_LEN + full_sensor_table[record_ID].record_len) {
		msg->completion_code = CC_PARAM_OUT_OF_RANGE;
		return;
	}

	next_record_ID = SDR_get_record_ID(record_ID);
	msg->data[0] = next_record_ID & 0xFF;
	msg->data[1] = (next_record_ID >> 8) & 0xFF;

	table_ptr = (uint8_t *)&full_sensor_table[record_ID];
	memcpy(&msg->data[2], (table_ptr + offset), req_len);

	msg->data_len = req_len + 2; // return next record ID + sdr data
	msg->completion_code = CC_SUCCESS;

	return;
}