From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C015BA0540; Thu, 7 Jul 2022 01:43:20 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 857444282F; Thu, 7 Jul 2022 01:42:51 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id 76785410D1 for ; Thu, 7 Jul 2022 01:42:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657150965; x=1688686965; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OyYVSvS9edvvZd/QqF7cGcsZk3l+Gd7x9tVctZ9biIU=; b=ML7oG7uZct1JHj4wt7V+tyZ4u3wHjobFtt9LOtPaEhnPBzfC9IRw8cdY F0QVyJQWnwVWgalZJBLB7VTNX7sgZotVdQUIU2cvXP/Ab27cGKDVcpSjN h71CeglhysCqEJ9ojSBr7twCrksquTIQ3CbgJQdwvuw5RtujIkqaaXX+N 17O6Ezjq9KtnhvMYAFJOZvXiOVD1f5QxOaAQeqmN8fZDkPzvsrAfnKkBv rfT8s9jISeRbrly8Y/CLtAFENj4GQIKNNJlYDXUBJCojZtWVa/f+ggQFk jZly2h47Pp9oaGwyeRkFBrWlYLLSspEdN6i6UZq4nLCfhIUep95zMX7EN w==; X-IronPort-AV: E=McAfee;i="6400,9594,10400"; a="370210639" X-IronPort-AV: E=Sophos;i="5.92,251,1650956400"; d="scan'208";a="370210639" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2022 16:42:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,251,1650956400"; d="scan'208";a="770221929" Received: from skx-5gnr-sc12-4.sc.intel.com ([172.25.69.210]) by orsmga005.jf.intel.com with ESMTP; 06 Jul 2022 16:42:43 -0700 From: Nicolas Chautru To: dev@dpdk.org, thomas@monjalon.net, gakhil@marvell.com, hemant.agrawal@nxp.com Cc: maxime.coquelin@redhat.com, trix@redhat.com, mdr@ashroe.eu, bruce.richardson@intel.com, david.marchand@redhat.com, stephen@networkplumber.org, Nicolas Chautru Subject: [PATCH v5 5/7] bbdev: add new operation for FFT processing Date: Wed, 6 Jul 2022 16:28:28 -0700 Message-Id: <1657150110-69957-6-git-send-email-nicolas.chautru@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1657150110-69957-1-git-send-email-nicolas.chautru@intel.com> References: <1655491040-183649-6-git-send-email-nicolas.chautru@intel.com> <1657150110-69957-1-git-send-email-nicolas.chautru@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=a Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Extension of bbdev operation to support FFT based operations. Signed-off-by: Nicolas Chautru Acked-by: Hemant Agrawal --- doc/guides/prog_guide/bbdev.rst | 130 +++++++++++++++++++++++++++++++++++ lib/bbdev/rte_bbdev.c | 10 ++- lib/bbdev/rte_bbdev.h | 76 ++++++++++++++++++++ lib/bbdev/rte_bbdev_op.h | 149 ++++++++++++++++++++++++++++++++++++++++ lib/bbdev/version.map | 4 ++ 5 files changed, 368 insertions(+), 1 deletion(-) diff --git a/doc/guides/prog_guide/bbdev.rst b/doc/guides/prog_guide/bbdev.rst index 70fa01a..150161b 100644 --- a/doc/guides/prog_guide/bbdev.rst +++ b/doc/guides/prog_guide/bbdev.rst @@ -1118,6 +1118,136 @@ Figure :numref:`figure_turbo_tb_decode` above showing the Turbo decoding of CBs using BBDEV interface in TB-mode is also valid for LDPC decode. +BBDEV FFT Operation +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +This operation allows to run a combination of DFT and/or IDFT and/or time-domain windowing. +These can be used in a modular fashion (using bypass modes) or as a processing pipeline +which can be used for FFT-based baseband signal processing. +In more details it allows : +- to process the data first through an IDFT of adjustable size and padding; +- to perform the windowing as a programmable cyclic shift offset of the data followed by a +pointwise multiplication by a time domain window; +- to process the related data through a DFT of adjustable size and depadding for each such cyclic +shift output. + +A flexible number of Rx antennas are being processed in parallel with the same configuration. +The API allows more generally for flexibility in what the PMD may support (cabability flags) and +flexibility to adjust some of the parameters of the processing. + +The operation/capability flags that can be set for each FFT operation are given below. + + **NOTE:** The actual operation flags that may be used with a specific + BBDEV PMD are dependent on the driver capabilities as reported via + ``rte_bbdev_info_get()``, and may be a subset of those below. + ++--------------------------------------------------------------------+ +|Description of FFT capability flags | ++====================================================================+ +|RTE_BBDEV_FFT_WINDOWING | +| Set to enable/support windowing in time domain | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_CS_ADJUSTMENT | +| Set to enable/support the cyclic shift time offset adjustment | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_DFT_BYPASS | +| Set to bypass the DFT and use directly the IDFT as an option | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_IDFT_BYPASS | +| Set to bypass the IDFT and use directly the DFT as an option | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_WINDOWING_BYPASS | +| Set to bypass the time domain windowing as an option | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_POWER_MEAS | +| Set to provide an optional power measurement of the DFT output | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_FP16_INPUT | +| Set if the input data shall use FP16 format instead of INT16 | ++--------------------------------------------------------------------+ +|RTE_BBDEV_FFT_FP16_OUTPUT | +| Set if the output data shall use FP16 format instead of INT16 | ++--------------------------------------------------------------------+ + +The structure passed for each FFT operation is given below, +with the operation flags forming a bitmask in the ``op_flags`` field. + +.. code-block:: c + + struct rte_bbdev_op_fft { + struct rte_bbdev_op_data base_input; + struct rte_bbdev_op_data base_output; + struct rte_bbdev_op_data power_meas_output; + uint32_t op_flags; + uint16_t input_sequence_size; + uint16_t input_leading_padding; + uint16_t output_sequence_size; + uint16_t output_leading_depadding; + uint8_t window_index[RTE_BBDEV_MAX_CS_2]; + uint16_t cs_bitmap; + uint8_t num_antennas_log2; + uint8_t idft_log2; + uint8_t dft_log2; + int8_t cs_time_adjustment; + int8_t idft_shift; + int8_t dft_shift; + uint16_t ncs_reciprocal; + uint16_t power_shift; + uint16_t fp16_exp_adjust; + }; + +The FFT parameters are set out in the table below. + ++-------------------------+--------------------------------------------------------------+ +|Parameter |Description | ++=========================+==============================================================+ +|base_input |input data | ++-------------------------+--------------------------------------------------------------+ +|base_output |output data | ++-------------------------+--------------------------------------------------------------+ +|power_meas_output |optional output data with power measurement on DFT output | ++-------------------------+--------------------------------------------------------------+ +|op_flags |bitmask of all active operation capabilities | ++-------------------------+--------------------------------------------------------------+ +|input_sequence_size |size of the input sequence in 32-bits points per antenna | ++-------------------------+--------------------------------------------------------------+ +|input_leading_padding |number of points padded at the start of input data | ++-------------------------+--------------------------------------------------------------+ +|output_sequence_size |size of the output sequence per antenna and cyclic shift | ++-------------------------+--------------------------------------------------------------+ +|output_leading_depadding |number of points depadded at the start of output data | ++-------------------------+--------------------------------------------------------------+ +|window_index |optional windowing profile index used for each cyclic shift | ++-------------------------+--------------------------------------------------------------+ +|cs_bitmap |bitmap of the cyclic shift output requested (LSB for index 0) | ++-------------------------+--------------------------------------------------------------+ +|num_antennas_log2 |number of antennas as a log2 (10 maps to 1024...) | ++-------------------------+--------------------------------------------------------------+ +|idft_log2 |iDFT size as a log2 | ++-------------------------+--------------------------------------------------------------+ +|dft_log2 |DFT size as a log2 | ++-------------------------+--------------------------------------------------------------+ +|cs_time_adjustment |adjustment of time position of all the cyclic shift output | ++-------------------------+--------------------------------------------------------------+ +|idft_shift |shift down of signal level post iDFT | ++-------------------------+--------------------------------------------------------------+ +|dft_shift |shift down of signal level post DFT | ++-------------------------+--------------------------------------------------------------+ +|ncs_reciprocal |inverse of max number of CS normalized to 15b (ie. 231 for 12)| ++-------------------------+--------------------------------------------------------------+ +|power_shift |shift down of level of power measurement when enabled | ++-------------------------+--------------------------------------------------------------+ +|fp16_exp_adjust |value added to FP16 exponent at conversion from INT16 | ++-------------------------+--------------------------------------------------------------+ + +The mbuf input ``base_input`` is mandatory for all BBDEV PMDs and is the +incoming data for the processing. Its size may not fit into an actual mbuf, but the +structure is used to pass iova address. +The mbuf output ``output`` is mandatory and is output of the FFT processing chain. +Each point is a complex number of 32bits : either as 2 INT16 or as 2 FP16 based when the option +supported. +The data layout is based on contiguous concatenation of output data first by cyclic shift then +by antenna. Sample code ----------- diff --git a/lib/bbdev/rte_bbdev.c b/lib/bbdev/rte_bbdev.c index 38630a2..9d65ba8 100644 --- a/lib/bbdev/rte_bbdev.c +++ b/lib/bbdev/rte_bbdev.c @@ -24,7 +24,7 @@ #define DEV_NAME "BBDEV" /* Number of supported operation types */ -#define BBDEV_OP_TYPE_COUNT 5 +#define BBDEV_OP_TYPE_COUNT 6 /* BBDev library logging ID */ RTE_LOG_REGISTER_DEFAULT(bbdev_logtype, NOTICE); @@ -852,6 +852,9 @@ struct rte_bbdev * case RTE_BBDEV_OP_LDPC_ENC: result = sizeof(struct rte_bbdev_enc_op); break; + case RTE_BBDEV_OP_FFT: + result = sizeof(struct rte_bbdev_fft_op); + break; default: break; } @@ -875,6 +878,10 @@ struct rte_bbdev * struct rte_bbdev_enc_op *op = element; memset(op, 0, mempool->elt_size); op->mempool = mempool; + } else if (type == RTE_BBDEV_OP_FFT) { + struct rte_bbdev_fft_op *op = element; + memset(op, 0, mempool->elt_size); + op->mempool = mempool; } } @@ -1125,6 +1132,7 @@ struct rte_mempool * "RTE_BBDEV_OP_TURBO_ENC", "RTE_BBDEV_OP_LDPC_DEC", "RTE_BBDEV_OP_LDPC_ENC", + "RTE_BBDEV_OP_FFT", }; if (op_type < BBDEV_OP_TYPE_COUNT) diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h index ac941d6..ed528b8 100644 --- a/lib/bbdev/rte_bbdev.h +++ b/lib/bbdev/rte_bbdev.h @@ -401,6 +401,12 @@ typedef uint16_t (*rte_bbdev_enqueue_dec_ops_t)( struct rte_bbdev_dec_op **ops, uint16_t num); +/** @internal Enqueue fft operations for processing on queue of a device. */ +typedef uint16_t (*rte_bbdev_enqueue_fft_ops_t)( + struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_fft_op **ops, + uint16_t num); + /** @internal Dequeue encode operations from a queue of a device. */ typedef uint16_t (*rte_bbdev_dequeue_enc_ops_t)( struct rte_bbdev_queue_data *q_data, @@ -411,6 +417,11 @@ typedef uint16_t (*rte_bbdev_dequeue_dec_ops_t)( struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num); +/** @internal Dequeue fft operations from a queue of a device. */ +typedef uint16_t (*rte_bbdev_dequeue_fft_ops_t)( + struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_fft_op **ops, uint16_t num); + #define RTE_BBDEV_NAME_MAX_LEN 64 /**< Max length of device name */ /** @@ -459,6 +470,10 @@ struct __rte_cache_aligned rte_bbdev { rte_bbdev_dequeue_enc_ops_t dequeue_ldpc_enc_ops; /** Dequeue decode function */ rte_bbdev_dequeue_dec_ops_t dequeue_ldpc_dec_ops; + /** Enqueue FFT function */ + rte_bbdev_enqueue_fft_ops_t enqueue_fft_ops; + /** Dequeue FFT function */ + rte_bbdev_dequeue_fft_ops_t dequeue_fft_ops; const struct rte_bbdev_ops *dev_ops; /**< Functions exported by PMD */ struct rte_bbdev_data *data; /**< Pointer to device data */ enum rte_bbdev_state state; /**< If device is currently used or not */ @@ -591,6 +606,36 @@ struct __rte_cache_aligned rte_bbdev { return dev->enqueue_ldpc_dec_ops(q_data, ops, num_ops); } +/** + * Enqueue a burst of fft operations to a queue of the device. + * This functions only enqueues as many operations as currently possible and + * does not block until @p num_ops entries in the queue are available. + * This function does not provide any error notification to avoid the + * corresponding overhead. + * + * @param dev_id + * The identifier of the device. + * @param queue_id + * The index of the queue. + * @param ops + * Pointer array containing operations to be enqueued Must have at least + * @p num_ops entries + * @param num_ops + * The maximum number of operations to enqueue. + * + * @return + * The number of operations actually enqueued (this is the number of processed + * entries in the @p ops array). + */ +__rte_experimental +static inline uint16_t +rte_bbdev_enqueue_fft_ops(uint16_t dev_id, uint16_t queue_id, + struct rte_bbdev_fft_op **ops, uint16_t num_ops) +{ + struct rte_bbdev *dev = &rte_bbdev_devices[dev_id]; + struct rte_bbdev_queue_data *q_data = &dev->data->queues[queue_id]; + return dev->enqueue_fft_ops(q_data, ops, num_ops); +} /** * Dequeue a burst of processed encode operations from a queue of the device. @@ -716,6 +761,37 @@ struct __rte_cache_aligned rte_bbdev { return dev->dequeue_ldpc_dec_ops(q_data, ops, num_ops); } +/** + * Dequeue a burst of fft operations from a queue of the device. + * This functions returns only the current contents of the queue, and does not + * block until @ num_ops is available. + * This function does not provide any error notification to avoid the + * corresponding overhead. + * + * @param dev_id + * The identifier of the device. + * @param queue_id + * The index of the queue. + * @param ops + * Pointer array where operations will be dequeued to. Must have at least + * @p num_ops entries + * @param num_ops + * The maximum number of operations to dequeue. + * + * @return + * The number of operations actually dequeued (this is the number of entries + * copied into the @p ops array). + */ +__rte_experimental +static inline uint16_t +rte_bbdev_dequeue_fft_ops(uint16_t dev_id, uint16_t queue_id, + struct rte_bbdev_fft_op **ops, uint16_t num_ops) +{ + struct rte_bbdev *dev = &rte_bbdev_devices[dev_id]; + struct rte_bbdev_queue_data *q_data = &dev->data->queues[queue_id]; + return dev->dequeue_fft_ops(q_data, ops, num_ops); +} + /** Definitions of device event types */ enum rte_bbdev_event_type { RTE_BBDEV_EVENT_UNKNOWN, /**< unknown event type */ diff --git a/lib/bbdev/rte_bbdev_op.h b/lib/bbdev/rte_bbdev_op.h index cd82418..afa1a71 100644 --- a/lib/bbdev/rte_bbdev_op.h +++ b/lib/bbdev/rte_bbdev_op.h @@ -47,6 +47,8 @@ #define RTE_BBDEV_TURBO_MAX_CODE_BLOCKS (64) /* LDPC: Maximum number of Code Blocks in Transport Block.*/ #define RTE_BBDEV_LDPC_MAX_CODE_BLOCKS (256) +/* 12 CS maximum */ +#define RTE_BBDEV_MAX_CS_2 (6) /** Flags for turbo decoder operation and capability structure */ enum rte_bbdev_op_td_flag_bitmasks { @@ -211,6 +213,26 @@ enum rte_bbdev_op_ldpcenc_flag_bitmasks { RTE_BBDEV_LDPC_ENC_CONCATENATION = (1ULL << 7) }; +/** Flags for DFT operation and capability structure */ +enum rte_bbdev_op_fft_flag_bitmasks { + /** Flexible windowing capability */ + RTE_BBDEV_FFT_WINDOWING = (1ULL << 0), + /** Flexible adjustment of Cyclic Shift time offset */ + RTE_BBDEV_FFT_CS_ADJUSTMENT = (1ULL << 1), + /** Set for bypass the DFT and get directly into iDFT input */ + RTE_BBDEV_FFT_DFT_BYPASS = (1ULL << 2), + /** Set for bypass the IDFT and get directly the DFT output */ + RTE_BBDEV_FFT_IDFT_BYPASS = (1ULL << 3), + /** Set for bypass time domain windowing */ + RTE_BBDEV_FFT_WINDOWING_BYPASS = (1ULL << 4), + /** Set for optional power measurement on DFT output */ + RTE_BBDEV_FFT_POWER_MEAS = (1ULL << 5), + /** Set if the input data used FP16 format */ + RTE_BBDEV_FFT_FP16_INPUT = (1ULL << 6), + /** Set if the output data uses FP16 format */ + RTE_BBDEV_FFT_FP16_OUTPUT = (1ULL << 7) +}; + /** Flags for the Code Block/Transport block mode */ enum rte_bbdev_op_cb_mode { /** One operation is one or fraction of one transport block */ @@ -689,6 +711,55 @@ struct rte_bbdev_op_ldpc_enc { }; }; +/** Operation structure for FFT processing. + * + * The operation processes the data for multiple antennas in a single call + * (.i.e for all the REs belonging to a given SRS sequence for instance) + * + * The output mbuf data structure is expected to be allocated by the + * application with enough room for the output data. + */ +struct rte_bbdev_op_fft { + /** Input data starting from first antenna */ + struct rte_bbdev_op_data base_input; + /** Output data starting from first antenna and first cyclic shift */ + struct rte_bbdev_op_data base_output; + /** Optional power measurement output data */ + struct rte_bbdev_op_data power_meas_output; + /** Flags from rte_bbdev_op_fft_flag_bitmasks */ + uint32_t op_flags; + /** Input sequence size in 32-bits points */ + uint16_t input_sequence_size; + /** Padding at the start of the sequence */ + uint16_t input_leading_padding; + /** Output sequence size in 32-bits points */ + uint16_t output_sequence_size; + /** Depadding at the start of the DFT output */ + uint16_t output_leading_depadding; + /** Window index being used for each cyclic shift output */ + uint8_t window_index[RTE_BBDEV_MAX_CS_2]; + /** Bitmap of the cyclic shift output requested */ + uint16_t cs_bitmap; + /** Number of antennas as a log2 – 8 to 128 */ + uint8_t num_antennas_log2; + /** iDFT size as a log2 - 32 to 2048 */ + uint8_t idft_log2; + /** DFT size as a log2 - 8 to 2048 */ + uint8_t dft_log2; + /** Adjustment of position of the cyclic shifts - -31 to 31 */ + int8_t cs_time_adjustment; + /** iDFT shift down */ + int8_t idft_shift; + /** DFT shift down */ + int8_t dft_shift; + /** NCS reciprocal factor */ + uint16_t ncs_reciprocal; + /** power measurement out shift down */ + uint16_t power_shift; + /** Adjust the FP6 exponent for INT<->FP16 conversion */ + uint16_t fp16_exp_adjust; +}; + /** List of the capabilities for the Turbo Decoder */ struct rte_bbdev_op_cap_turbo_dec { /** Flags from rte_bbdev_op_td_flag_bitmasks */ @@ -741,6 +812,16 @@ struct rte_bbdev_op_cap_ldpc_enc { uint16_t num_buffers_dst; }; +/** List of the capabilities for the FFT */ +struct rte_bbdev_op_cap_fft { + /** Flags from rte_bbdev_op_fft_flag_bitmasks */ + uint32_t capability_flags; + /** Num input code block buffers */ + uint16_t num_buffers_src; + /** Num output code block buffers */ + uint16_t num_buffers_dst; +}; + /** Different operation types supported by the device */ enum rte_bbdev_op_type { RTE_BBDEV_OP_NONE, /**< Dummy operation that does nothing */ @@ -748,6 +829,7 @@ enum rte_bbdev_op_type { RTE_BBDEV_OP_TURBO_ENC, /**< Turbo encode */ RTE_BBDEV_OP_LDPC_DEC, /**< LDPC decode */ RTE_BBDEV_OP_LDPC_ENC, /**< LDPC encode */ + RTE_BBDEV_OP_FFT, /**< FFT */ RTE_BBDEV_OP_TYPE_PADDED_MAX = 8, /**< Maximum op type number including padding */ }; @@ -791,6 +873,18 @@ struct rte_bbdev_dec_op { }; }; +/** Structure specifying a single fft operation */ +struct rte_bbdev_fft_op { + /** Status of operation that was performed */ + int status; + /** Mempool which op instance is in */ + struct rte_mempool *mempool; + /** Opaque pointer for user data */ + void *opaque_data; + /** Contains turbo decoder specific parameters */ + struct rte_bbdev_op_fft fft; +}; + /** Operation capabilities supported by a device */ struct rte_bbdev_op_cap { enum rte_bbdev_op_type type; /**< Type of operation */ @@ -799,6 +893,7 @@ struct rte_bbdev_op_cap { struct rte_bbdev_op_cap_turbo_enc turbo_enc; struct rte_bbdev_op_cap_ldpc_dec ldpc_dec; struct rte_bbdev_op_cap_ldpc_enc ldpc_enc; + struct rte_bbdev_op_cap_fft fft; } cap; /**< Operation-type specific capabilities */ }; @@ -918,6 +1013,42 @@ struct rte_mempool * } /** + * Bulk allocate fft operations from a mempool with parameter defaults reset. + * + * @param mempool + * Operation mempool, created by rte_bbdev_op_pool_create(). + * @param ops + * Output array to place allocated operations + * @param num_ops + * Number of operations to allocate + * + * @returns + * - 0 on success + * - EINVAL if invalid mempool is provided + */ +__rte_experimental +static inline int +rte_bbdev_fft_op_alloc_bulk(struct rte_mempool *mempool, + struct rte_bbdev_fft_op **ops, uint16_t num_ops) +{ + struct rte_bbdev_op_pool_private *priv; + int ret; + + /* Check type */ + priv = (struct rte_bbdev_op_pool_private *) + rte_mempool_get_priv(mempool); + if (unlikely(priv->type != RTE_BBDEV_OP_FFT)) + return -EINVAL; + + /* Get elements */ + ret = rte_mempool_get_bulk(mempool, (void **)ops, num_ops); + if (unlikely(ret < 0)) + return ret; + + return 0; +} + +/** * Free decode operation structures that were allocated by * rte_bbdev_dec_op_alloc_bulk(). * All structures must belong to the same mempool. @@ -951,6 +1082,24 @@ struct rte_mempool * rte_mempool_put_bulk(ops[0]->mempool, (void **)ops, num_ops); } +/** + * Free encode operation structures that were allocated by + * rte_bbdev_fft_op_alloc_bulk(). + * All structures must belong to the same mempool. + * + * @param ops + * Operation structures + * @param num_ops + * Number of structures + */ +__rte_experimental +static inline void +rte_bbdev_fft_op_free_bulk(struct rte_bbdev_fft_op **ops, unsigned int num_ops) +{ + if (num_ops > 0) + rte_mempool_put_bulk(ops[0]->mempool, (void **)ops, num_ops); +} + #ifdef __cplusplus } #endif diff --git a/lib/bbdev/version.map b/lib/bbdev/version.map index 9ac3643..efae50b 100644 --- a/lib/bbdev/version.map +++ b/lib/bbdev/version.map @@ -44,4 +44,8 @@ EXPERIMENTAL { global: rte_bbdev_device_status_str; + rte_bbdev_enqueue_fft_ops; + rte_bbdev_dequeue_fft_ops; + rte_bbdev_fft_op_alloc_bulk; + rte_bbdev_fft_op_free_bulk; }; -- 1.8.3.1