diff options
Diffstat (limited to 'src/occ_gpe0/firdata/sbe_fifo.h')
-rw-r--r-- | src/occ_gpe0/firdata/sbe_fifo.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/occ_gpe0/firdata/sbe_fifo.h b/src/occ_gpe0/firdata/sbe_fifo.h new file mode 100644 index 0000000..4194471 --- /dev/null +++ b/src/occ_gpe0/firdata/sbe_fifo.h @@ -0,0 +1,123 @@ +/* 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; + size_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 + |