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 2400EA0508; Mon, 4 Apr 2022 23:17:24 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B29B242874; Mon, 4 Apr 2022 23:16:33 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id D51E64282F for ; Mon, 4 Apr 2022 23:16:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649106987; x=1680642987; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=l/mmelNJ+4tI7RIVJDqkEV8ctJdls4d1yzZzSAuEGCY=; b=fDGBoKzBOcDY3kZ8ewtSnH+ZLdCWsos/JzdpcsrliCRpwjs8cTxSQ6p7 brV3K9T1LqdJSTF8GInQZSAb7muu28eDqhQOcnuvvsZkDB7oa3hW6E2rH e8h9fD/k8NX2w208qasGYyrolxtuggHb4h46Vh3O8Zvg3cZPcUYVoaZ7K ZA43dr9CKGdZ+OhUpmJTAcz0vdZR9TWI9a5j9INgjZ5hAqh6J1Smgku6F ilIYNXX3poHv8uYMKTSRs76xBX2/r3vrw5PwDShP65lry/OG5jeO48042 +YB3XJrPgbzTdTOws+PyuFGeZD+9vnJih+OSeesJAMorH3yhT33tmmmtE Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10307"; a="258194702" X-IronPort-AV: E=Sophos;i="5.90,235,1643702400"; d="scan'208";a="258194702" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2022 14:16:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,235,1643702400"; d="scan'208";a="569552063" Received: from skx-5gnr-sc12-4.sc.intel.com ([172.25.69.210]) by orsmga008.jf.intel.com with ESMTP; 04 Apr 2022 14:16:24 -0700 From: Nicolas Chautru To: dev@dpdk.org, gakhil@marvell.com Cc: trix@redhat.com, thomas@monjalon.net, ray.kinsella@intel.com, bruce.richardson@intel.com, hemant.agrawal@nxp.com, mingshan.zhang@intel.com, david.marchand@redhat.com, Nicolas Chautru Subject: [PATCH v1 7/9] baseband/acc101: support 4G processing Date: Mon, 4 Apr 2022 14:13:46 -0700 Message-Id: <1649106828-116338-8-git-send-email-nicolas.chautru@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1649106828-116338-1-git-send-email-nicolas.chautru@intel.com> References: <1649106828-116338-1-git-send-email-nicolas.chautru@intel.com> 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 Add capabilities and functions to support the LTE encoder and decode processing operations. Signed-off-by: Nicolas Chautru --- doc/guides/bbdevs/acc101.rst | 21 + doc/guides/bbdevs/features/acc101.ini | 4 +- drivers/baseband/acc101/rte_acc101_pmd.c | 1012 +++++++++++++++++++++++++++++- 3 files changed, 1019 insertions(+), 18 deletions(-) diff --git a/doc/guides/bbdevs/acc101.rst b/doc/guides/bbdevs/acc101.rst index 49f6c74..3daf399 100644 --- a/doc/guides/bbdevs/acc101.rst +++ b/doc/guides/bbdevs/acc101.rst @@ -17,6 +17,8 @@ ACC101 5G/4G FEC PMD supports the following features: - LDPC Encode in the DL (5GNR) - LDPC Decode in the UL (5GNR) +- Turbo Encode in the DL (4G) +- Turbo Decode in the UL (4G) - 16 VFs per PF (physical device) - Maximum of 128 queues per VF - PCIe Gen-3 x16 Interface @@ -44,6 +46,25 @@ ACC101 5G/4G FEC PMD supports the following BBDEV capabilities: - ``RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION`` : supports compression of the HARQ input/output - ``RTE_BBDEV_LDPC_LLR_COMPRESSION`` : supports LLR input compression +* For the turbo encode operation: + - ``RTE_BBDEV_TURBO_CRC_24B_ATTACH`` : set to attach CRC24B to CB(s) + - ``RTE_BBDEV_TURBO_RATE_MATCH`` : if set then do not do Rate Match bypass + - ``RTE_BBDEV_TURBO_ENC_INTERRUPTS`` : set for encoder dequeue interrupts + - ``RTE_BBDEV_TURBO_RV_INDEX_BYPASS`` : set to bypass RV index + - ``RTE_BBDEV_TURBO_ENC_SCATTER_GATHER`` : supports scatter-gather for input/output data + +* For the turbo decode operation: + - ``RTE_BBDEV_TURBO_CRC_TYPE_24B`` : check CRC24B from CB(s) + - ``RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE`` : perform subblock de-interleave + - ``RTE_BBDEV_TURBO_DEC_INTERRUPTS`` : set for decoder dequeue interrupts + - ``RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN`` : set if negative LLR encoder i/p is supported + - ``RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN`` : set if positive LLR encoder i/p is supported + - ``RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP`` : keep CRC24B bits appended while decoding + - ``RTE_BBDEV_TURBO_DEC_CRC_24B_DROP`` : option to drop the code block CRC after decoding + - ``RTE_BBDEV_TURBO_EARLY_TERMINATION`` : set early termination feature + - ``RTE_BBDEV_TURBO_DEC_SCATTER_GATHER`` : supports scatter-gather for input/output data + - ``RTE_BBDEV_TURBO_HALF_ITERATION_EVEN`` : set half iteration granularity + Installation ------------ diff --git a/doc/guides/bbdevs/features/acc101.ini b/doc/guides/bbdevs/features/acc101.ini index 4a88932..0e2c21a 100644 --- a/doc/guides/bbdevs/features/acc101.ini +++ b/doc/guides/bbdevs/features/acc101.ini @@ -4,8 +4,8 @@ ; Refer to default.ini for the full list of available PMD features. ; [Features] -Turbo Decoder (4G) = N -Turbo Encoder (4G) = N +Turbo Decoder (4G) = Y +Turbo Encoder (4G) = Y LDPC Decoder (5G) = Y LDPC Encoder (5G) = Y LLR/HARQ Compression = Y diff --git a/drivers/baseband/acc101/rte_acc101_pmd.c b/drivers/baseband/acc101/rte_acc101_pmd.c index 2009c1a..2bb98b5 100644 --- a/drivers/baseband/acc101/rte_acc101_pmd.c +++ b/drivers/baseband/acc101/rte_acc101_pmd.c @@ -763,6 +763,41 @@ struct acc101_device *d = dev->data->dev_private; static const struct rte_bbdev_op_cap bbdev_capabilities[] = { { + .type = RTE_BBDEV_OP_TURBO_DEC, + .cap.turbo_dec = { + .capability_flags = + RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE | + RTE_BBDEV_TURBO_CRC_TYPE_24B | + RTE_BBDEV_TURBO_HALF_ITERATION_EVEN | + RTE_BBDEV_TURBO_EARLY_TERMINATION | + RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN | + RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP | + RTE_BBDEV_TURBO_DEC_CRC_24B_DROP | + RTE_BBDEV_TURBO_DEC_SCATTER_GATHER, + .max_llr_modulus = INT8_MAX, + .num_buffers_src = + RTE_BBDEV_TURBO_MAX_CODE_BLOCKS, + .num_buffers_hard_out = + RTE_BBDEV_TURBO_MAX_CODE_BLOCKS, + .num_buffers_soft_out = + RTE_BBDEV_TURBO_MAX_CODE_BLOCKS, + } + }, + { + .type = RTE_BBDEV_OP_TURBO_ENC, + .cap.turbo_enc = { + .capability_flags = + RTE_BBDEV_TURBO_CRC_24B_ATTACH | + RTE_BBDEV_TURBO_RV_INDEX_BYPASS | + RTE_BBDEV_TURBO_RATE_MATCH | + RTE_BBDEV_TURBO_ENC_SCATTER_GATHER, + .num_buffers_src = + RTE_BBDEV_TURBO_MAX_CODE_BLOCKS, + .num_buffers_dst = + RTE_BBDEV_TURBO_MAX_CODE_BLOCKS, + } + }, + { .type = RTE_BBDEV_OP_LDPC_ENC, .cap.ldpc_enc = { .capability_flags = @@ -888,6 +923,58 @@ return tail; } +/* Fill in a frame control word for turbo encoding. */ +static inline void +acc101_fcw_te_fill(const struct rte_bbdev_enc_op *op, struct acc101_fcw_te *fcw) +{ + fcw->code_block_mode = op->turbo_enc.code_block_mode; + if (fcw->code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) { + fcw->k_neg = op->turbo_enc.tb_params.k_neg; + fcw->k_pos = op->turbo_enc.tb_params.k_pos; + fcw->c_neg = op->turbo_enc.tb_params.c_neg; + fcw->c = op->turbo_enc.tb_params.c; + fcw->ncb_neg = op->turbo_enc.tb_params.ncb_neg; + fcw->ncb_pos = op->turbo_enc.tb_params.ncb_pos; + + if (check_bit(op->turbo_enc.op_flags, + RTE_BBDEV_TURBO_RATE_MATCH)) { + fcw->bypass_rm = 0; + fcw->cab = op->turbo_enc.tb_params.cab; + fcw->ea = op->turbo_enc.tb_params.ea; + fcw->eb = op->turbo_enc.tb_params.eb; + } else { + /* E is set to the encoding output size when RM is + * bypassed. + */ + fcw->bypass_rm = 1; + fcw->cab = fcw->c_neg; + fcw->ea = 3 * fcw->k_neg + 12; + fcw->eb = 3 * fcw->k_pos + 12; + } + } else { /* For CB mode */ + fcw->k_pos = op->turbo_enc.cb_params.k; + fcw->ncb_pos = op->turbo_enc.cb_params.ncb; + + if (check_bit(op->turbo_enc.op_flags, + RTE_BBDEV_TURBO_RATE_MATCH)) { + fcw->bypass_rm = 0; + fcw->eb = op->turbo_enc.cb_params.e; + } else { + /* E is set to the encoding output size when RM is + * bypassed. + */ + fcw->bypass_rm = 1; + fcw->eb = 3 * fcw->k_pos + 12; + } + } + + fcw->bypass_rv_idx1 = check_bit(op->turbo_enc.op_flags, + RTE_BBDEV_TURBO_RV_INDEX_BYPASS); + fcw->code_block_crc = check_bit(op->turbo_enc.op_flags, + RTE_BBDEV_TURBO_CRC_24B_ATTACH); + fcw->rv_idx1 = op->turbo_enc.rv_index; +} + /* Compute value of k0. * Based on 3GPP 38.212 Table 5.4.2.1-2 * Starting position of different redundancy versions, k0 @@ -940,6 +1027,25 @@ fcw->mcb_count = num_cb; } +/* Fill in a frame control word for turbo decoding. */ +static inline void +acc101_fcw_td_fill(const struct rte_bbdev_dec_op *op, struct acc101_fcw_td *fcw) +{ + /* Note : Early termination is always enabled for 4GUL */ + fcw->fcw_ver = 1; + if (op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) + fcw->k_pos = op->turbo_dec.tb_params.k_pos; + else + fcw->k_pos = op->turbo_dec.cb_params.k; + fcw->turbo_crc_type = check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_CRC_TYPE_24B); + fcw->bypass_sb_deint = 0; + fcw->raw_decoder_input_on = 0; + fcw->max_iter = op->turbo_dec.iter_max; + fcw->half_iter_on = !check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_HALF_ITERATION_EVEN); +} + /* Convert offset to harq index for harq_layout structure */ static inline uint32_t hq_index(uint32_t offset) { @@ -1195,6 +1301,89 @@ static inline uint32_t hq_index(uint32_t offset) #endif static inline int +acc101_dma_desc_te_fill(struct rte_bbdev_enc_op *op, + struct acc101_dma_req_desc *desc, struct rte_mbuf **input, + struct rte_mbuf *output, uint32_t *in_offset, + uint32_t *out_offset, uint32_t *out_length, + uint32_t *mbuf_total_left, uint32_t *seg_total_left, uint8_t r) +{ + int next_triplet = 1; /* FCW already done */ + uint32_t e, ea, eb, length; + uint16_t k, k_neg, k_pos; + uint8_t cab, c_neg; + + desc->word0 = ACC101_DMA_DESC_TYPE; + desc->word1 = 0; /**< Timestamp could be disabled */ + desc->word2 = 0; + desc->word3 = 0; + desc->numCBs = 1; + + if (op->turbo_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) { + ea = op->turbo_enc.tb_params.ea; + eb = op->turbo_enc.tb_params.eb; + cab = op->turbo_enc.tb_params.cab; + k_neg = op->turbo_enc.tb_params.k_neg; + k_pos = op->turbo_enc.tb_params.k_pos; + c_neg = op->turbo_enc.tb_params.c_neg; + e = (r < cab) ? ea : eb; + k = (r < c_neg) ? k_neg : k_pos; + } else { + e = op->turbo_enc.cb_params.e; + k = op->turbo_enc.cb_params.k; + } + + if (check_bit(op->turbo_enc.op_flags, RTE_BBDEV_TURBO_CRC_24B_ATTACH)) + length = (k - 24) >> 3; + else + length = k >> 3; + + if (unlikely((*mbuf_total_left == 0) || (*mbuf_total_left < length))) { + rte_bbdev_log(ERR, + "Mismatch between mbuf length and included CB sizes: mbuf len %u, cb len %u", + *mbuf_total_left, length); + return -1; + } + + next_triplet = acc101_dma_fill_blk_type_in(desc, input, in_offset, + length, seg_total_left, next_triplet, + check_bit(op->turbo_enc.op_flags, + RTE_BBDEV_TURBO_ENC_SCATTER_GATHER)); + if (unlikely(next_triplet < 0)) { + rte_bbdev_log(ERR, + "Mismatch between data to process and mbuf data length in bbdev_op: %p", + op); + return -1; + } + desc->data_ptrs[next_triplet - 1].last = 1; + desc->m2dlen = next_triplet; + *mbuf_total_left -= length; + + /* Set output length */ + if (check_bit(op->turbo_enc.op_flags, RTE_BBDEV_TURBO_RATE_MATCH)) + /* Integer round up division by 8 */ + *out_length = (e + 7) >> 3; + else + *out_length = (k >> 3) * 3 + 2; + + next_triplet = acc101_dma_fill_blk_type_out(desc, output, *out_offset, + *out_length, next_triplet, ACC101_DMA_BLKID_OUT_ENC); + if (unlikely(next_triplet < 0)) { + rte_bbdev_log(ERR, + "Mismatch between data to process and mbuf data length in bbdev_op: %p", + op); + return -1; + } + op->turbo_enc.output.length += *out_length; + *out_offset += *out_length; + desc->data_ptrs[next_triplet - 1].last = 1; + desc->d2mlen = next_triplet - desc->m2dlen; + + desc->op_addr = op; + + return 0; +} + +static inline int acc101_dma_desc_le_fill(struct rte_bbdev_enc_op *op, struct acc101_dma_req_desc *desc, struct rte_mbuf **input, struct rte_mbuf *output, uint32_t *in_offset, @@ -1253,6 +1442,128 @@ static inline uint32_t hq_index(uint32_t offset) } static inline int +acc101_dma_desc_td_fill(struct rte_bbdev_dec_op *op, + struct acc101_dma_req_desc *desc, struct rte_mbuf **input, + struct rte_mbuf *h_output, struct rte_mbuf *s_output, + uint32_t *in_offset, uint32_t *h_out_offset, + uint32_t *s_out_offset, uint32_t *h_out_length, + uint32_t *s_out_length, uint32_t *mbuf_total_left, + uint32_t *seg_total_left, uint8_t r) +{ + int next_triplet = 1; /* FCW already done */ + uint16_t k; + uint16_t crc24_overlap = 0; + uint32_t e, kw; + + desc->word0 = ACC101_DMA_DESC_TYPE; + desc->word1 = 0; /**< Timestamp could be disabled */ + desc->word2 = 0; + desc->word3 = 0; + desc->numCBs = 1; + + if (op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) { + k = (r < op->turbo_dec.tb_params.c_neg) + ? op->turbo_dec.tb_params.k_neg + : op->turbo_dec.tb_params.k_pos; + e = (r < op->turbo_dec.tb_params.cab) + ? op->turbo_dec.tb_params.ea + : op->turbo_dec.tb_params.eb; + } else { + k = op->turbo_dec.cb_params.k; + e = op->turbo_dec.cb_params.e; + } + + if ((op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) + && !check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP)) + crc24_overlap = 24; + if ((op->turbo_dec.code_block_mode == RTE_BBDEV_CODE_BLOCK) + && check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_CRC_24B_DROP)) + crc24_overlap = 24; + + /* Calculates circular buffer size. + * According to 3gpp 36.212 section 5.1.4.2 + * Kw = 3 * Kpi, + * where: + * Kpi = nCol * nRow + * where nCol is 32 and nRow can be calculated from: + * D =< nCol * nRow + * where D is the size of each output from turbo encoder block (k + 4). + */ + kw = RTE_ALIGN_CEIL(k + 4, 32) * 3; + + if (unlikely((*mbuf_total_left == 0) || (*mbuf_total_left < kw))) { + rte_bbdev_log(ERR, + "Mismatch between mbuf length and included CB sizes: mbuf len %u, cb len %u", + *mbuf_total_left, kw); + return -1; + } + + next_triplet = acc101_dma_fill_blk_type_in(desc, input, in_offset, kw, + seg_total_left, next_triplet, + check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_SCATTER_GATHER)); + if (unlikely(next_triplet < 0)) { + rte_bbdev_log(ERR, + "Mismatch between data to process and mbuf data length in bbdev_op: %p", + op); + return -1; + } + desc->data_ptrs[next_triplet - 1].last = 1; + desc->m2dlen = next_triplet; + *mbuf_total_left -= kw; + + next_triplet = acc101_dma_fill_blk_type_out( + desc, h_output, *h_out_offset, + (k - crc24_overlap) >> 3, next_triplet, + ACC101_DMA_BLKID_OUT_HARD); + if (unlikely(next_triplet < 0)) { + rte_bbdev_log(ERR, + "Mismatch between data to process and mbuf data length in bbdev_op: %p", + op); + return -1; + } + + *h_out_length = ((k - crc24_overlap) >> 3); + op->turbo_dec.hard_output.length += *h_out_length; + *h_out_offset += *h_out_length; + + /* Soft output */ + if (check_bit(op->turbo_dec.op_flags, RTE_BBDEV_TURBO_SOFT_OUTPUT)) { + if (op->turbo_dec.soft_output.data == 0) { + rte_bbdev_log(ERR, "Soft output is not defined"); + return -1; + } + if (check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_EQUALIZER)) + *s_out_length = e; + else + *s_out_length = (k * 3) + 12; + + next_triplet = acc101_dma_fill_blk_type_out(desc, s_output, + *s_out_offset, *s_out_length, next_triplet, + ACC101_DMA_BLKID_OUT_SOFT); + if (unlikely(next_triplet < 0)) { + rte_bbdev_log(ERR, + "Mismatch between data to process and mbuf data length in bbdev_op: %p", + op); + return -1; + } + + op->turbo_dec.soft_output.length += *s_out_length; + *s_out_offset += *s_out_length; + } + + desc->data_ptrs[next_triplet - 1].last = 1; + desc->d2mlen = next_triplet - desc->m2dlen; + + desc->op_addr = op; + + return 0; +} + +static inline int acc101_dma_desc_ld_fill(struct rte_bbdev_dec_op *op, struct acc101_dma_req_desc *desc, struct rte_mbuf **input, struct rte_mbuf *h_output, @@ -1505,6 +1816,52 @@ static inline uint32_t hq_index(uint32_t offset) } +/* Enqueue one encode operations for ACC101 device in CB mode */ +static inline int +enqueue_enc_one_op_cb(struct acc101_queue *q, struct rte_bbdev_enc_op *op, + uint16_t total_enqueued_cbs) +{ + union acc101_dma_desc *desc = NULL; + int ret; + uint32_t in_offset, out_offset, out_length, mbuf_total_left, + seg_total_left; + struct rte_mbuf *input, *output_head, *output; + + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + acc101_fcw_te_fill(op, &desc->req.fcw_te); + + input = op->turbo_enc.input.data; + output_head = output = op->turbo_enc.output.data; + in_offset = op->turbo_enc.input.offset; + out_offset = op->turbo_enc.output.offset; + out_length = 0; + mbuf_total_left = op->turbo_enc.input.length; + seg_total_left = rte_pktmbuf_data_len(op->turbo_enc.input.data) + - in_offset; + + ret = acc101_dma_desc_te_fill(op, &desc->req, &input, output, + &in_offset, &out_offset, &out_length, &mbuf_total_left, + &seg_total_left, 0); + + if (unlikely(ret < 0)) + return ret; + + mbuf_append(output_head, output, out_length); + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "FCW", &desc->req.fcw_te, + sizeof(desc->req.fcw_te) - 8); + rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc)); + if (check_mbuf_total_left(mbuf_total_left) != 0) + return -EINVAL; +#endif + /* One CB (one op) was successfully prepared to enqueue */ + return 1; +} + + /* Enqueue one encode operations for ACC101 device in CB mode * multiplexed on the same descriptor */ @@ -1667,6 +2024,88 @@ static inline uint32_t hq_index(uint32_t offset) return 1; } + +/* Enqueue one encode operations for ACC101 device in TB mode. */ +static inline int +enqueue_enc_one_op_tb(struct acc101_queue *q, struct rte_bbdev_enc_op *op, + uint16_t total_enqueued_cbs, uint8_t cbs_in_tb) +{ + union acc101_dma_desc *desc = NULL; + int ret; + uint8_t r, c; + uint32_t in_offset, out_offset, out_length, mbuf_total_left, + seg_total_left; + struct rte_mbuf *input, *output_head, *output; + uint16_t current_enqueued_cbs = 0; + + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + uint64_t fcw_offset = (desc_idx << 8) + ACC101_DESC_FCW_OFFSET; + acc101_fcw_te_fill(op, &desc->req.fcw_te); + + input = op->turbo_enc.input.data; + output_head = output = op->turbo_enc.output.data; + in_offset = op->turbo_enc.input.offset; + out_offset = op->turbo_enc.output.offset; + out_length = 0; + mbuf_total_left = op->turbo_enc.input.length; + + c = op->turbo_enc.tb_params.c; + r = op->turbo_enc.tb_params.r; + + while (mbuf_total_left > 0 && r < c) { + if (unlikely(input == 0)) { + rte_bbdev_log(ERR, "Not enough input segment"); + return -EINVAL; + } + seg_total_left = rte_pktmbuf_data_len(input) - in_offset; + /* Set up DMA descriptor */ + desc = q->ring_addr + ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc->req.data_ptrs[0].address = q->ring_addr_iova + fcw_offset; + desc->req.data_ptrs[0].blen = ACC101_FCW_TE_BLEN; + + ret = acc101_dma_desc_te_fill(op, &desc->req, &input, output, + &in_offset, &out_offset, &out_length, + &mbuf_total_left, &seg_total_left, r); + if (unlikely(ret < 0)) + return ret; + mbuf_append(output_head, output, out_length); + + /* Set total number of CBs in TB */ + desc->req.cbs_in_tb = cbs_in_tb; +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "FCW", &desc->req.fcw_te, + sizeof(desc->req.fcw_te) - 8); + rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc)); +#endif + + if (seg_total_left == 0) { + /* Go to the next mbuf */ + input = input->next; + in_offset = 0; + output = output->next; + out_offset = 0; + } + + total_enqueued_cbs++; + current_enqueued_cbs++; + r++; + } + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (check_mbuf_total_left(mbuf_total_left) != 0) + return -EINVAL; +#endif + + /* Set SDone on last CB descriptor for TB mode. */ + desc->req.sdone_enable = 1; + desc->req.irq_enable = q->irq_enable; + + return current_enqueued_cbs; +} + /* Enqueue one encode operations for ACC101 device in TB mode. * returns the number of descs used */ @@ -1731,24 +2170,89 @@ static inline uint32_t hq_index(uint32_t offset) return return_descs; } +/** Enqueue one decode operations for ACC101 device in CB mode */ static inline int -harq_loopback(struct acc101_queue *q, struct rte_bbdev_dec_op *op, - uint16_t total_enqueued_cbs) { - struct acc101_fcw_ld *fcw; - union acc101_dma_desc *desc; - int next_triplet = 1; - struct rte_mbuf *hq_output_head, *hq_output; - uint16_t harq_dma_length_in, harq_dma_length_out; - uint16_t harq_in_length = op->ldpc_dec.harq_combined_input.length; - if (harq_in_length == 0) { - rte_bbdev_log(ERR, "Loopback of invalid null size\n"); - return -EINVAL; - } +enqueue_dec_one_op_cb(struct acc101_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs) +{ + union acc101_dma_desc *desc = NULL; + int ret; + uint32_t in_offset, h_out_offset, s_out_offset, s_out_length, + h_out_length, mbuf_total_left, seg_total_left; + struct rte_mbuf *input, *h_output_head, *h_output, + *s_output_head, *s_output; - int h_comp = check_bit(op->ldpc_dec.op_flags, - RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION - ) ? 1 : 0; - if (h_comp == 1) { + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + acc101_fcw_td_fill(op, &desc->req.fcw_td); + + input = op->turbo_dec.input.data; + h_output_head = h_output = op->turbo_dec.hard_output.data; + s_output_head = s_output = op->turbo_dec.soft_output.data; + in_offset = op->turbo_dec.input.offset; + h_out_offset = op->turbo_dec.hard_output.offset; + s_out_offset = op->turbo_dec.soft_output.offset; + h_out_length = s_out_length = 0; + mbuf_total_left = op->turbo_dec.input.length; + seg_total_left = rte_pktmbuf_data_len(input) - in_offset; + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(input == NULL)) { + rte_bbdev_log(ERR, "Invalid mbuf pointer"); + return -EFAULT; + } +#endif + + /* Set up DMA descriptor */ + desc = q->ring_addr + ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + + ret = acc101_dma_desc_td_fill(op, &desc->req, &input, h_output, + s_output, &in_offset, &h_out_offset, &s_out_offset, + &h_out_length, &s_out_length, &mbuf_total_left, + &seg_total_left, 0); + + if (unlikely(ret < 0)) + return ret; + + /* Hard output */ + mbuf_append(h_output_head, h_output, h_out_length); + + /* Soft output */ + if (check_bit(op->turbo_dec.op_flags, RTE_BBDEV_TURBO_SOFT_OUTPUT)) + mbuf_append(s_output_head, s_output, s_out_length); + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "FCW", &desc->req.fcw_td, + sizeof(desc->req.fcw_td) - 8); + rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc)); + if (check_mbuf_total_left(mbuf_total_left) != 0) + return -EINVAL; +#endif + + /* One CB (one op) was successfully prepared to enqueue */ + return 1; +} + +static inline int +harq_loopback(struct acc101_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs) { + struct acc101_fcw_ld *fcw; + union acc101_dma_desc *desc; + int next_triplet = 1; + struct rte_mbuf *hq_output_head, *hq_output; + uint16_t harq_dma_length_in, harq_dma_length_out; + uint16_t harq_in_length = op->ldpc_dec.harq_combined_input.length; + if (harq_in_length == 0) { + rte_bbdev_log(ERR, "Loopback of invalid null size\n"); + return -EINVAL; + } + + int h_comp = check_bit(op->ldpc_dec.op_flags, + RTE_BBDEV_LDPC_HARQ_6BIT_COMPRESSION + ) ? 1 : 0; + if (h_comp == 1) { harq_in_length = harq_in_length * 8 / 6; harq_in_length = RTE_ALIGN(harq_in_length, 64); harq_dma_length_in = harq_in_length * 6 / 8; @@ -2069,6 +2573,100 @@ static inline uint32_t hq_index(uint32_t offset) return current_enqueued_cbs; } +/* Enqueue one decode operations for ACC101 device in TB mode */ +static inline int +enqueue_dec_one_op_tb(struct acc101_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs, uint8_t cbs_in_tb) +{ + union acc101_dma_desc *desc = NULL; + int ret; + uint8_t r, c; + uint32_t in_offset, h_out_offset, s_out_offset, s_out_length, + h_out_length, mbuf_total_left, seg_total_left; + struct rte_mbuf *input, *h_output_head, *h_output, + *s_output_head, *s_output; + uint16_t current_enqueued_cbs = 0; + + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + uint64_t fcw_offset = (desc_idx << 8) + ACC101_DESC_FCW_OFFSET; + acc101_fcw_td_fill(op, &desc->req.fcw_td); + + input = op->turbo_dec.input.data; + h_output_head = h_output = op->turbo_dec.hard_output.data; + s_output_head = s_output = op->turbo_dec.soft_output.data; + in_offset = op->turbo_dec.input.offset; + h_out_offset = op->turbo_dec.hard_output.offset; + s_out_offset = op->turbo_dec.soft_output.offset; + h_out_length = s_out_length = 0; + mbuf_total_left = op->turbo_dec.input.length; + c = op->turbo_dec.tb_params.c; + r = op->turbo_dec.tb_params.r; + + while (mbuf_total_left > 0 && r < c) { + + seg_total_left = rte_pktmbuf_data_len(input) - in_offset; + + /* Set up DMA descriptor */ + desc = q->ring_addr + ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc->req.data_ptrs[0].address = q->ring_addr_iova + fcw_offset; + desc->req.data_ptrs[0].blen = ACC101_FCW_TD_BLEN; + ret = acc101_dma_desc_td_fill(op, &desc->req, &input, + h_output, s_output, &in_offset, &h_out_offset, + &s_out_offset, &h_out_length, &s_out_length, + &mbuf_total_left, &seg_total_left, r); + + if (unlikely(ret < 0)) + return ret; + + /* Hard output */ + mbuf_append(h_output_head, h_output, h_out_length); + + /* Soft output */ + if (check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_SOFT_OUTPUT)) + mbuf_append(s_output_head, s_output, s_out_length); + + /* Set total number of CBs in TB */ + desc->req.cbs_in_tb = cbs_in_tb; +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "FCW", &desc->req.fcw_td, + sizeof(desc->req.fcw_td) - 8); + rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc)); +#endif + + if (seg_total_left == 0) { + /* Go to the next mbuf */ + input = input->next; + in_offset = 0; + h_output = h_output->next; + h_out_offset = 0; + + if (check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_SOFT_OUTPUT)) { + s_output = s_output->next; + s_out_offset = 0; + } + } + + total_enqueued_cbs++; + current_enqueued_cbs++; + r++; + } + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (check_mbuf_total_left(mbuf_total_left) != 0) + return -EINVAL; +#endif + /* Set SDone on last CB descriptor for TB mode */ + desc->req.sdone_enable = 1; + desc->req.irq_enable = q->irq_enable; + + return current_enqueued_cbs; +} + /* Calculates number of CBs in processed encoder TB based on 'r' and input * length. */ @@ -2095,6 +2693,63 @@ static inline uint32_t hq_index(uint32_t offset) return cbs_in_tb; } +/* Calculates number of CBs in processed encoder TB based on 'r' and input + * length. + */ +static inline uint8_t +get_num_cbs_in_tb_enc(struct rte_bbdev_op_turbo_enc *turbo_enc) +{ + uint8_t c, c_neg, r, crc24_bits = 0; + uint16_t k, k_neg, k_pos; + uint8_t cbs_in_tb = 0; + int32_t length; + + length = turbo_enc->input.length; + r = turbo_enc->tb_params.r; + c = turbo_enc->tb_params.c; + c_neg = turbo_enc->tb_params.c_neg; + k_neg = turbo_enc->tb_params.k_neg; + k_pos = turbo_enc->tb_params.k_pos; + crc24_bits = 0; + if (check_bit(turbo_enc->op_flags, RTE_BBDEV_TURBO_CRC_24B_ATTACH)) + crc24_bits = 24; + while (length > 0 && r < c) { + k = (r < c_neg) ? k_neg : k_pos; + length -= (k - crc24_bits) >> 3; + r++; + cbs_in_tb++; + } + + return cbs_in_tb; +} + +/* Calculates number of CBs in processed decoder TB based on 'r' and input + * length. + */ +static inline uint16_t +get_num_cbs_in_tb_dec(struct rte_bbdev_op_turbo_dec *turbo_dec) +{ + uint8_t c, c_neg, r = 0; + uint16_t kw, k, k_neg, k_pos, cbs_in_tb = 0; + int32_t length; + + length = turbo_dec->input.length; + r = turbo_dec->tb_params.r; + c = turbo_dec->tb_params.c; + c_neg = turbo_dec->tb_params.c_neg; + k_neg = turbo_dec->tb_params.k_neg; + k_pos = turbo_dec->tb_params.k_pos; + while (length > 0 && r < c) { + k = (r < c_neg) ? k_neg : k_pos; + kw = RTE_ALIGN_CEIL(k + 4, 32) * 3; + length -= kw; + r++; + cbs_in_tb++; + } + + return cbs_in_tb; +} + /* Calculates number of CBs in processed decoder TB based on 'r' and input * length. */ @@ -2128,6 +2783,45 @@ static inline uint32_t hq_index(uint32_t offset) return (q->sw_ring_depth + q->sw_ring_head - q->sw_ring_tail) % q->sw_ring_depth; } +/* Enqueue encode operations for ACC101 device in CB mode. */ +static uint16_t +acc101_enqueue_enc_cb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + int32_t avail = acc101_ring_avail_enq(q); + uint16_t i; + union acc101_dma_desc *desc; + int ret; + + for (i = 0; i < num; ++i) { + /* Check if there are available space for further processing */ + if (unlikely(avail - 1 < 0)) + break; + avail -= 1; + + ret = enqueue_enc_one_op_cb(q, ops[i], i); + if (ret < 0) + break; + } + + if (unlikely(i == 0)) + return 0; /* Nothing to enqueue */ + + /* Set SDone in last CB in enqueued ops for CB mode*/ + desc = q->ring_addr + ((q->sw_ring_head + i - 1) + & q->sw_ring_wrap_mask); + desc->req.sdone_enable = 1; + desc->req.irq_enable = q->irq_enable; + + acc101_dma_enqueue(q, i, &q_data->queue_stats); + + /* Update stats */ + q_data->queue_stats.enqueued_count += i; + q_data->queue_stats.enqueue_err_count += num - i; + return i; +} + /* Check we can mux encode operations with common FCW */ static inline int16_t check_mux(struct rte_bbdev_enc_op **ops, uint16_t num) { @@ -2202,6 +2896,41 @@ static inline uint32_t hq_index(uint32_t offset) return i; } +/* Enqueue encode operations for ACC101 device in TB mode. */ +static uint16_t +acc101_enqueue_enc_tb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + int32_t avail = acc101_ring_avail_enq(q); + uint16_t i, enqueued_cbs = 0; + uint8_t cbs_in_tb; + int ret; + + for (i = 0; i < num; ++i) { + cbs_in_tb = get_num_cbs_in_tb_enc(&ops[i]->turbo_enc); + /* Check if there are available space for further processing */ + if (unlikely(avail - cbs_in_tb < 0)) + break; + avail -= cbs_in_tb; + + ret = enqueue_enc_one_op_tb(q, ops[i], enqueued_cbs, cbs_in_tb); + if (ret < 0) + break; + enqueued_cbs += ret; + } + if (unlikely(enqueued_cbs == 0)) + return 0; /* Nothing to enqueue */ + + acc101_dma_enqueue(q, enqueued_cbs, &q_data->queue_stats); + + /* Update stats */ + q_data->queue_stats.enqueued_count += i; + q_data->queue_stats.enqueue_err_count += num - i; + + return i; +} + /* Enqueue LDPC encode operations for ACC101 device in TB mode. */ static uint16_t acc101_enqueue_ldpc_enc_tb(struct rte_bbdev_queue_data *q_data, @@ -2253,6 +2982,22 @@ static inline uint32_t hq_index(uint32_t offset) /* Enqueue encode operations for ACC101 device. */ static uint16_t +acc101_enqueue_enc(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + uint16_t ret; + int32_t aq_avail = acc101_aq_avail(q_data, num); + if (unlikely((aq_avail <= 0) || (num == 0))) + return 0; + if (ops[0]->turbo_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) + ret = acc101_enqueue_enc_tb(q_data, ops, num); + else + ret = acc101_enqueue_enc_cb(q_data, ops, num); + return ret; +} + +/* Enqueue encode operations for ACC101 device. */ +static uint16_t acc101_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_enc_op **ops, uint16_t num) { @@ -2267,6 +3012,47 @@ static inline uint32_t hq_index(uint32_t offset) return ret; } + +/* Enqueue decode operations for ACC101 device in CB mode */ +static uint16_t +acc101_enqueue_dec_cb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + int32_t avail = acc101_ring_avail_enq(q); + uint16_t i; + union acc101_dma_desc *desc; + int ret; + + for (i = 0; i < num; ++i) { + /* Check if there are available space for further processing */ + if (unlikely(avail - 1 < 0)) + break; + avail -= 1; + + ret = enqueue_dec_one_op_cb(q, ops[i], i); + if (ret < 0) + break; + } + + if (unlikely(i == 0)) + return 0; /* Nothing to enqueue */ + + /* Set SDone in last CB in enqueued ops for CB mode*/ + desc = q->ring_addr + ((q->sw_ring_head + i - 1) + & q->sw_ring_wrap_mask); + desc->req.sdone_enable = 1; + desc->req.irq_enable = q->irq_enable; + + acc101_dma_enqueue(q, i, &q_data->queue_stats); + + /* Update stats */ + q_data->queue_stats.enqueued_count += i; + q_data->queue_stats.enqueue_err_count += num - i; + + return i; +} + /* Enqueue decode operations for ACC101 device in TB mode */ static uint16_t acc101_enqueue_ldpc_dec_tb(struct rte_bbdev_queue_data *q_data, @@ -2348,6 +3134,56 @@ static inline uint32_t hq_index(uint32_t offset) return i; } + +/* Enqueue decode operations for ACC101 device in TB mode */ +static uint16_t +acc101_enqueue_dec_tb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + int32_t avail = acc101_ring_avail_enq(q); + uint16_t i, enqueued_cbs = 0; + uint8_t cbs_in_tb; + int ret; + + for (i = 0; i < num; ++i) { + cbs_in_tb = get_num_cbs_in_tb_dec(&ops[i]->turbo_dec); + /* Check if there are available space for further processing */ + if (unlikely(avail - cbs_in_tb < 0)) + break; + avail -= cbs_in_tb; + + ret = enqueue_dec_one_op_tb(q, ops[i], enqueued_cbs, cbs_in_tb); + if (ret < 0) + break; + enqueued_cbs += ret; + } + + acc101_dma_enqueue(q, enqueued_cbs, &q_data->queue_stats); + + /* Update stats */ + q_data->queue_stats.enqueued_count += i; + q_data->queue_stats.enqueue_err_count += num - i; + + return i; +} + +/* Enqueue decode operations for ACC101 device. */ +static uint16_t +acc101_enqueue_dec(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + uint16_t ret; + int32_t aq_avail = acc101_aq_avail(q_data, num); + if (unlikely((aq_avail <= 0) || (num == 0))) + return 0; + if (ops[0]->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) + ret = acc101_enqueue_dec_tb(q_data, ops, num); + else + ret = acc101_enqueue_dec_cb(q_data, ops, num); + return ret; +} + /* Enqueue decode operations for ACC101 device. */ static uint16_t acc101_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data, @@ -2493,6 +3329,58 @@ static inline uint32_t hq_index(uint32_t offset) } +/* Dequeue one decode operation from ACC101 device in CB mode */ +static inline int +dequeue_dec_one_op_cb(struct rte_bbdev_queue_data *q_data, + struct acc101_queue *q, struct rte_bbdev_dec_op **ref_op, + uint16_t dequeued_cbs, uint32_t *aq_dequeued) +{ + union acc101_dma_desc *desc, atom_desc; + union acc101_dma_rsp_desc rsp; + struct rte_bbdev_dec_op *op; + + desc = q->ring_addr + ((q->sw_ring_tail + dequeued_cbs) + & q->sw_ring_wrap_mask); + atom_desc.atom_hdr = __atomic_load_n((uint64_t *)desc, + __ATOMIC_RELAXED); + + /* Check fdone bit */ + if (!(atom_desc.rsp.val & ACC101_FDONE)) + return -1; + + rsp.val = atom_desc.rsp.val; + rte_bbdev_log_debug("Resp. desc %p: %x", desc, rsp.val); + + /* Dequeue */ + op = desc->req.op_addr; + + /* Clearing status, it will be set based on response */ + op->status = 0; + op->status |= ((rsp.input_err) + ? (1 << RTE_BBDEV_DATA_ERROR) : 0); + op->status |= ((rsp.dma_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0); + op->status |= ((rsp.fcw_err) ? (1 << RTE_BBDEV_DRV_ERROR) : 0); + if (op->status != 0) + q_data->queue_stats.dequeue_err_count++; + + /* CRC invalid if error exists */ + if (!op->status) + op->status |= rsp.crc_status << RTE_BBDEV_CRC_ERROR; + op->turbo_dec.iter_count = (uint8_t) rsp.iter_cnt / 2; + /* Check if this is the last desc in batch (Atomic Queue) */ + if (desc->req.last_desc_in_batch) { + (*aq_dequeued)++; + desc->req.last_desc_in_batch = 0; + } + desc->rsp.val = ACC101_DMA_DESC_TYPE; + desc->rsp.add_info_0 = 0; + desc->rsp.add_info_1 = 0; + *ref_op = op; + + /* One CB (op) was successfully dequeued */ + return 1; +} + /* Dequeue one decode operations from ACC101 device in CB mode */ static inline int dequeue_ldpc_dec_one_op_cb(struct rte_bbdev_queue_data *q_data, @@ -2625,6 +3513,50 @@ static inline uint32_t hq_index(uint32_t offset) return cb_idx; } +/* Dequeue encode operations from ACC101 device. */ +static uint16_t +acc101_dequeue_enc(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + uint32_t avail = acc101_ring_avail_deq(q); + uint32_t aq_dequeued = 0; + uint16_t i, dequeued_ops = 0, dequeued_descs = 0; + int ret; + struct rte_bbdev_enc_op *op; + if (avail == 0) + return 0; + op = (q->ring_addr + (q->sw_ring_tail & + q->sw_ring_wrap_mask))->req.op_addr; +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(ops == NULL || q == NULL || op == NULL)) + return 0; +#endif + int cbm = op->turbo_enc.code_block_mode; + + for (i = 0; i < num; i++) { + if (cbm == RTE_BBDEV_TRANSPORT_BLOCK) + ret = dequeue_enc_one_op_tb(q, &ops[dequeued_ops], + &dequeued_ops, &aq_dequeued, + &dequeued_descs); + else + ret = dequeue_enc_one_op_cb(q, &ops[dequeued_ops], + &dequeued_ops, &aq_dequeued, + &dequeued_descs); + if (ret < 0) + break; + if (dequeued_ops >= num) + break; + } + + q->aq_dequeued += aq_dequeued; + q->sw_ring_tail += dequeued_descs; + + /* Update enqueue stats */ + q_data->queue_stats.dequeued_count += dequeued_ops; + return dequeued_ops; +} + /* Dequeue LDPC encode operations from ACC101 device. */ static uint16_t acc101_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data, @@ -2671,6 +3603,50 @@ static inline uint32_t hq_index(uint32_t offset) /* Dequeue decode operations from ACC101 device. */ static uint16_t +acc101_dequeue_dec(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc101_queue *q = q_data->queue_private; + uint16_t dequeue_num; + uint32_t avail = acc101_ring_avail_deq(q); + uint32_t aq_dequeued = 0; + uint16_t i; + uint16_t dequeued_cbs = 0; + struct rte_bbdev_dec_op *op; + int ret; + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(ops == 0 && q == NULL)) + return 0; +#endif + + dequeue_num = (avail < num) ? avail : num; + + for (i = 0; i < dequeue_num; ++i) { + op = (q->ring_addr + ((q->sw_ring_tail + dequeued_cbs) + & q->sw_ring_wrap_mask))->req.op_addr; + if (op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) + ret = dequeue_dec_one_op_tb(q, &ops[i], dequeued_cbs, + &aq_dequeued); + else + ret = dequeue_dec_one_op_cb(q_data, q, &ops[i], + dequeued_cbs, &aq_dequeued); + + if (ret < 0) + break; + dequeued_cbs += ret; + } + + q->aq_dequeued += aq_dequeued; + q->sw_ring_tail += dequeued_cbs; + + /* Update enqueue stats */ + q_data->queue_stats.dequeued_count += i; + return i; +} + +/* Dequeue decode operations from ACC101 device. */ +static uint16_t acc101_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data, struct rte_bbdev_dec_op **ops, uint16_t num) { @@ -2721,6 +3697,10 @@ static inline uint32_t hq_index(uint32_t offset) struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev->device); dev->dev_ops = &acc101_bbdev_ops; + dev->enqueue_enc_ops = acc101_enqueue_enc; + dev->enqueue_dec_ops = acc101_enqueue_dec; + dev->dequeue_enc_ops = acc101_dequeue_enc; + dev->dequeue_dec_ops = acc101_dequeue_dec; dev->enqueue_ldpc_enc_ops = acc101_enqueue_ldpc_enc; dev->enqueue_ldpc_dec_ops = acc101_enqueue_ldpc_dec; dev->dequeue_ldpc_enc_ops = acc101_dequeue_ldpc_enc; -- 1.8.3.1