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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/firdata/sbe_fifo.h $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __SBE_FIFO_H
#define __SBE_FIFO_H
#include <scom_trgt.h>
#include <stdint.h>
#define PACKED __attribute__((__packed__))
#define PUT_SCOM_REQUEST_WORD_CNT 0x06
#define GET_SCOM_REQUEST_WORD_CNT 0x04
#define SBE_FIFO_CMD_GET_SCOM 0x01
#define SBE_FIFO_CMD_PUT_SCOM 0x02
#define SBE_FIFO_CLASS_SCOM_ACCESS 0xA2
#define SBE_FIFO_DNFIFO_MAX_TSFR 0x00002458
#define SBE_FIFO_UPFIFO_DATA_IN 0x00002400
#define SBE_FIFO_UPFIFO_SIG_EOT 0x00002408
#define FSB_UPFIFO_SIG_EOT 0x80000000
#define SBE_FIFO_UPFIFO_STATUS 0x00002404
#define SBE_FIFO_DNFIFO_STATUS 0x00002444
#define UPFIFO_STATUS_FIFO_FULL 0x00200000
#define DNFIFO_STATUS_FIFO_EMPTY 0x00100000
#define DNFIFO_STATUS_DEQUEUED_EOT_FLAG 0x00800000
#define SBE_FIFO_DNFIFO_ACK_EOT 0x00002454
#define SBE_FIFO_DNFIFO_DATA_OUT 0x00002440
#define NS_PER_MSEC (1000000ull)
#define MAX_UP_FIFO_TIMEOUT_NS 10*NS_PER_MSEC
#define READ_BUFFER_SIZE 2048
#define FIFO_STATUS_MAGIC 0xC0DE
#define SBE_PRI_OPERATION_SUCCESSFUL 0x00
#define SBE_SEC_OPERATION_SUCCESSFUL 0x00
struct statusHeader
{
uint16_t magic; //set to 0xC0DE
uint8_t commandClass;
uint8_t command;
uint16_t primaryStatus;
uint16_t secondaryStatus;
} PACKED;
struct ffdc_struct
{
const void* ptr;
uint32_t size;
};
struct fifoPutScomRequest
{
uint32_t wordCnt;
uint16_t reserved;
uint8_t commandClass;
uint8_t command;
uint64_t address;
uint64_t data;
} PACKED;
struct fifoPutScomResponse
{
struct statusHeader status;
struct ffdc_struct ffdc; //ffdc data
uint32_t status_distance; //distance to status
} PACKED;
struct fifoGetScomRequest
{
uint32_t wordCnt;
uint16_t reserved;
uint8_t commandClass;
uint8_t command;
uint64_t address;
} PACKED;
struct fifoGetScomResponse
{
uint64_t data; //Data (0..31) + (32..63)
struct statusHeader status;
struct ffdc_struct ffdc; //ffdc data
uint32_t status_distance; // distance to status
} PACKED;
/** @brief Performs a write SCOM operation using SBE FIFO
* @param i_target The SCOM target.
* @param i_addr 64-bit SCOM address.
* @param i_data 64-bit data to write.
* @return Non-SUCCESS if the SCOM fails. SUCCESS otherwise.
*/
int32_t putFifoScom(SCOM_Trgt_t* i_target, uint64_t i_addr, uint64_t i_data);
/** @brief Performs a read SCOM operation using SBE FIFO
* @param i_target The SCOM target.
* @param i_addr 64-bit SCOM address.
* @param o_data 64-bit returned value.
* @return Non-SUCCESS if the SCOM fails. SUCCESS otherwise.
*/
int32_t getFifoScom(SCOM_Trgt_t* i_target, uint64_t i_addr, uint64_t* o_data);
#endif
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