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Differential D36254 Diff 115177 sys/dev/qat/qat_api/common/compression/include/dc_datapath.h

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sys/dev/qat/qat_api/common/compression/include/dc_datapath.h

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/* Restriction on the source buffer size for compression due to the firmware /* Restriction on the source buffer size for compression due to the firmware
* processing */ * processing */
#define DC_SRC_BUFFER_MIN_SIZE (15) #define DC_SRC_BUFFER_MIN_SIZE (15)
/* Restriction on the destination buffer size for compression due to /* Restriction on the destination buffer size for compression due to
* the management of skid buffers in the firmware */ * the management of skid buffers in the firmware */
#define DC_DEST_BUFFER_DYN_MIN_SIZE (128) #define DC_DEST_BUFFER_DYN_MIN_SIZE (128)
#define DC_DEST_BUFFER_STA_MIN_SIZE (64) #define DC_DEST_BUFFER_STA_MIN_SIZE (64)
#define DC_DEST_BUFFER_DYN_MIN_SIZE_GEN4 (512)
#define DC_DEST_BUFFER_STA_MIN_SIZE_GEN4 (1024)
/* C62x and C3xxx pcie rev0 devices require an additional 32bytes */ /* C62x and C3xxx pcie rev0 devices require an additional 32bytes */
#define DC_DEST_BUFFER_STA_ADDITIONAL_SIZE (32) #define DC_DEST_BUFFER_STA_ADDITIONAL_SIZE (32)
/* C4xxx device only requires 47 bytes */ /* C4xxx device only requires 47 bytes */
#define DC_DEST_BUFFER_MIN_SIZE (47) #define DC_DEST_BUFFER_MIN_SIZE (47)
/* Minimum destination buffer size for decompression */ /* Minimum destination buffer size for decompression */
#define DC_DEST_BUFFER_DEC_MIN_SIZE (1) #define DC_DEST_BUFFER_DEC_MIN_SIZE (1)
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/* Mask used to check the CompressAndVerifyAndRecover capability bit */ /* Mask used to check the CompressAndVerifyAndRecover capability bit */
#define DC_CNVNR_EXTENDED_CAPABILITY (0x100) #define DC_CNVNR_EXTENDED_CAPABILITY (0x100)
/* Default values for CNV integrity checks, /* Default values for CNV integrity checks,
* those are used to inform hardware of specifying CRC parameters to be used * those are used to inform hardware of specifying CRC parameters to be used
* when calculating CRCs */ * when calculating CRCs */
#define DC_CRC_POLY_DEFAULT 0x04c11db7 #define DC_CRC_POLY_DEFAULT 0x04c11db7
#define DC_CRC64_POLY_DEFAULT 0x42f0e1eba9ea3693ULL
#define DC_XOR_FLAGS_DEFAULT 0xe0000 #define DC_XOR_FLAGS_DEFAULT 0xe0000
#define DC_XOR_OUT_DEFAULT 0xffffffff #define DC_XOR_OUT_DEFAULT 0xffffffff
#define DC_XOR64_OUT_DEFAULT 0x0ULL
#define DC_INVALID_CRC 0x0 #define DC_INVALID_CRC 0x0
/** /**
******************************************************************************* *******************************************************************************
* @ingroup cpaDc Data Compression * @ingroup cpaDc Data Compression
* Compression cookie * Compression cookie
* @description * @description
* This cookie stores information for a particular compression perform op. * This cookie stores information for a particular compression perform op.
Show All 36 Linestypedef struct dc_compression_cookie_s {
/**< Total length of the destination data */ /**< Total length of the destination data */
dc_request_dir_t compDecomp; dc_request_dir_t compDecomp;
/**< Used to know whether the request is compression or decompression. /**< Used to know whether the request is compression or decompression.
* Useful when defining the session as combined */ * Useful when defining the session as combined */
CpaBufferList *pUserSrcBuff; CpaBufferList *pUserSrcBuff;
/**< virtual userspace ptr to source SGL */ /**< virtual userspace ptr to source SGL */
CpaBufferList *pUserDestBuff; CpaBufferList *pUserDestBuff;
/**< virtual userspace ptr to destination SGL */ /**< virtual userspace ptr to destination SGL */
CpaDcCallbackFn pCbFunc;
/**< Callback function defined for the traditional sessionless API */
CpaDcChecksum checksumType;
/**< Type of checksum */
dc_integrity_crc_fw_t dataIntegrityCrcs;
/**< Data integrity table */
} dc_compression_cookie_t; } dc_compression_cookie_t;
/** /**
***************************************************************************** *****************************************************************************
* @ingroup Dc_DataCompression * @ingroup Dc_DataCompression
* Callback function called for compression and decompression requests in * Callback function called for compression and decompression requests in
* asynchronous mode * asynchronous mode
* *
* @description * @description
* Called to process compression and decompression response messages. This * Called to process compression and decompression response messages. This
* callback will check for errors, update the statistics and will call the * callback will check for errors, update the statistics and will call the
* user callback * user callback
* *
* @param[in] pRespMsg Response message * @param[in] pRespMsg Response message
* *
*****************************************************************************/ *****************************************************************************/
void dcCompression_ProcessCallback(void *pRespMsg); void dcCompression_ProcessCallback(void *pRespMsg);
CpaStatus dcCheckOpData(sal_compression_service_t *pService,
CpaDcOpData *pOpData);
/** /**
***************************************************************************** *****************************************************************************
* @ingroup Dc_DataCompression * @ingroup Dc_DataCompression
* Describes CNV and CNVNR modes * Describes CNV and CNVNR modes
* *
* @description * @description
* This enum is used to indicate the CNV modes. * This enum is used to indicate the CNV modes.
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