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 9DC54A0543; Fri, 8 Jul 2022 02:17:03 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 107444284D; Fri, 8 Jul 2022 02:16:14 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id 41E7240A7B for ; Fri, 8 Jul 2022 02:16:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657239367; x=1688775367; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=o+sh+mls/ygA45OUdH7SaRAzHiH5S4ZXKMp+pqZ4wqo=; b=H4m6YYxDjv7B0ZV0tW020c9ZFyl9fNDglEpk8wx3gtnkC8arHVGSWcXX aWB2+MHSh8q49NK4L1u09r5dJUKy+n/JwJLjXo6EUUhqzPxMs7GAg+p9z 4TX8KBslRAxuY+44z07poqYhsG9rxZs7i3Uj7BL5RLGehnsFPsJea0h1x 64rlSyaiuTODBJcFuPSuWKWoSSSc+AKe+V9XZqLLq9IB2oe4Yedf4Xixp yqP61980dB2GU4XMuqpQx3zv/izdQH0HH4YEsqRuiDolrfVsgAQL24602 54QjC6w7MbT/8GijLSLKfJGSiRXHrygKNfFacryxn8f56keKCP+bPu7Ug Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10401"; a="264563089" X-IronPort-AV: E=Sophos;i="5.92,253,1650956400"; d="scan'208";a="264563089" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2022 17:16:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,253,1650956400"; d="scan'208";a="591387547" Received: from skx-5gnr-sc12-4.sc.intel.com ([172.25.69.210]) by orsmga007.jf.intel.com with ESMTP; 07 Jul 2022 17:16:04 -0700 From: Nicolas Chautru To: dev@dpdk.org, thomas@monjalon.net, gakhil@marvell.com, hemant.agrawal@nxp.com, trix@redhat.com Cc: maxime.coquelin@redhat.com, mdr@ashroe.eu, bruce.richardson@intel.com, david.marchand@redhat.com, stephen@networkplumber.org, Nicolas Chautru Subject: [PATCH v1 07/10] baseband/acc200: add support for FFT operations Date: Thu, 7 Jul 2022 17:01:40 -0700 Message-Id: <1657238503-143836-8-git-send-email-nicolas.chautru@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1657238503-143836-1-git-send-email-nicolas.chautru@intel.com> References: <1657238503-143836-1-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 functions and capability for FFT processing Signed-off-by: Nicolas Chautru --- drivers/baseband/acc200/rte_acc200_pmd.c | 272 ++++++++++++++++++++++++++++++- 1 file changed, 270 insertions(+), 2 deletions(-) diff --git a/drivers/baseband/acc200/rte_acc200_pmd.c b/drivers/baseband/acc200/rte_acc200_pmd.c index 003a2a3..36c5561 100644 --- a/drivers/baseband/acc200/rte_acc200_pmd.c +++ b/drivers/baseband/acc200/rte_acc200_pmd.c @@ -860,6 +860,21 @@ .num_buffers_soft_out = 0, } }, + { + .type = RTE_BBDEV_OP_FFT, + .cap.fft = { + .capability_flags = + RTE_BBDEV_FFT_WINDOWING | + RTE_BBDEV_FFT_CS_ADJUSTMENT | + RTE_BBDEV_FFT_DFT_BYPASS | + RTE_BBDEV_FFT_IDFT_BYPASS | + RTE_BBDEV_FFT_WINDOWING_BYPASS, + .num_buffers_src = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS, + .num_buffers_dst = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS, + } + }, RTE_BBDEV_END_OF_CAPABILITIES_LIST() }; @@ -882,12 +897,13 @@ d->acc200_conf.q_ul_5g.num_qgroups; dev_info->num_queues[RTE_BBDEV_OP_LDPC_ENC] = d->acc200_conf.q_dl_5g.num_aqs_per_groups * d->acc200_conf.q_dl_5g.num_qgroups; - dev_info->num_queues[RTE_BBDEV_OP_FFT] = 0; + dev_info->num_queues[RTE_BBDEV_OP_FFT] = d->acc200_conf.q_fft.num_aqs_per_groups * + d->acc200_conf.q_fft.num_qgroups; dev_info->queue_priority[RTE_BBDEV_OP_TURBO_DEC] = d->acc200_conf.q_ul_4g.num_qgroups; dev_info->queue_priority[RTE_BBDEV_OP_TURBO_ENC] = d->acc200_conf.q_dl_4g.num_qgroups; dev_info->queue_priority[RTE_BBDEV_OP_LDPC_DEC] = d->acc200_conf.q_ul_5g.num_qgroups; dev_info->queue_priority[RTE_BBDEV_OP_LDPC_ENC] = d->acc200_conf.q_dl_5g.num_qgroups; - dev_info->queue_priority[RTE_BBDEV_OP_FFT] = 0; + dev_info->queue_priority[RTE_BBDEV_OP_FFT] = d->acc200_conf.q_fft.num_qgroups; dev_info->max_num_queues = 0; for (i = RTE_BBDEV_OP_NONE; i <= RTE_BBDEV_OP_FFT; i++) dev_info->max_num_queues += dev_info->num_queues[i]; @@ -2124,6 +2140,21 @@ static inline uint32_t hq_index(uint32_t offset) return 0; } + +/* Validates FFT op parameters */ +static inline int +validate_fft_op(struct rte_bbdev_fft_op *op) +{ + struct rte_bbdev_op_fft *fft = &op->fft; + struct rte_mbuf *input; + input = fft->base_input.data; + if (unlikely(input == NULL)) { + rte_bbdev_log(ERR, "Invalid mbuf pointer"); + return -EFAULT; + } + return 0; +} + #endif /* Enqueue one encode operations for ACC200 device in CB mode */ @@ -4146,6 +4177,241 @@ static inline uint32_t hq_index(uint32_t offset) return i; } +/* Fill in a frame control word for FFT processing. */ +static inline void +acc200_fcw_fft_fill(struct rte_bbdev_fft_op *op, struct acc200_fcw_fft *fcw) +{ + fcw->in_frame_size = op->fft.input_sequence_size; + fcw->leading_pad_size = op->fft.input_leading_padding; + fcw->out_frame_size = op->fft.output_sequence_size; + fcw->leading_depad_size = op->fft.output_leading_depadding; + fcw->cs_window_sel = op->fft.window_index[0] + + (op->fft.window_index[1] << 8) + + (op->fft.window_index[2] << 16) + + (op->fft.window_index[3] << 24); + fcw->cs_window_sel2 = op->fft.window_index[4] + + (op->fft.window_index[5] << 8); + fcw->cs_enable_bmap = op->fft.cs_bitmap; + fcw->num_antennas = op->fft.num_antennas_log2; + fcw->idft_size = op->fft.idft_log2; + fcw->dft_size = op->fft.dft_log2; + fcw->cs_offset = op->fft.cs_time_adjustment; + fcw->idft_shift = op->fft.idft_shift; + fcw->dft_shift = op->fft.dft_shift; + fcw->cs_multiplier = op->fft.ncs_reciprocal; + if (check_bit(op->fft.op_flags, + RTE_BBDEV_FFT_IDFT_BYPASS)) { + if (check_bit(op->fft.op_flags, + RTE_BBDEV_FFT_WINDOWING_BYPASS)) + fcw->bypass = 2; + else + fcw->bypass = 1; + } else if (check_bit(op->fft.op_flags, + RTE_BBDEV_FFT_DFT_BYPASS)) + fcw->bypass = 3; + else + fcw->bypass = 0; +} + +static inline int +acc200_dma_desc_fft_fill(struct rte_bbdev_fft_op *op, + struct acc200_dma_req_desc *desc, + struct rte_mbuf *input, struct rte_mbuf *output, + uint32_t *in_offset, uint32_t *out_offset) +{ + /* FCW already done */ + acc200_header_init(desc); + desc->data_ptrs[1].address = + rte_pktmbuf_iova_offset(input, *in_offset); + desc->data_ptrs[1].blen = op->fft.input_sequence_size * 4; + desc->data_ptrs[1].blkid = ACC200_DMA_BLKID_IN; + desc->data_ptrs[1].last = 1; + desc->data_ptrs[1].dma_ext = 0; + desc->data_ptrs[2].address = + rte_pktmbuf_iova_offset(output, *out_offset); + desc->data_ptrs[2].blen = op->fft.output_sequence_size * 4; + desc->data_ptrs[2].blkid = ACC200_DMA_BLKID_OUT_HARD; + desc->data_ptrs[2].last = 1; + desc->data_ptrs[2].dma_ext = 0; + desc->m2dlen = 2; + desc->d2mlen = 1; + desc->ib_ant_offset = op->fft.input_sequence_size; + desc->num_ant = op->fft.num_antennas_log2 - 3; + int num_cs = 0, i; + for (i = 0; i < 12; i++) + if (check_bit(op->fft.cs_bitmap, 1 << i)) + num_cs++; + desc->num_cs = num_cs; + desc->ob_cyc_offset = op->fft.output_sequence_size; + desc->ob_ant_offset = op->fft.output_sequence_size * num_cs; + desc->op_addr = op; + return 0; +} + + +/** Enqueue one FFT operation for ACC200 device*/ +static inline int +enqueue_fft_one_op(struct acc200_queue *q, struct rte_bbdev_fft_op *op, + uint16_t total_enqueued_cbs) +{ +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (validate_fft_op(op) == -EFAULT) { + rte_bbdev_log(ERR, "FFT op validation failed"); + return -EINVAL; + } +#endif + union acc200_dma_desc *desc; + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + struct rte_mbuf *input, *output; + uint32_t in_offset, out_offset; + input = op->fft.base_input.data; + output = op->fft.base_output.data; + in_offset = op->fft.base_input.offset; + out_offset = op->fft.base_output.offset; +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(input == NULL)) { + rte_bbdev_log(ERR, "Invalid mbuf pointer"); + return -EFAULT; + } +#endif + struct acc200_fcw_fft *fcw; + fcw = &desc->req.fcw_fft; + acc200_fcw_fft_fill(op, fcw); + acc200_dma_desc_fft_fill(op, &desc->req, input, output, + &in_offset, &out_offset); +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "FCW", &desc->req.fcw_fft, + sizeof(desc->req.fcw_fft)); + rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc)); +#endif + return 1; +} + +/* Enqueue decode operations for ACC200 device. */ +static uint16_t +acc200_enqueue_fft(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_fft_op **ops, uint16_t num) +{ + int32_t aq_avail = acc200_aq_avail(q_data, num); + if (unlikely((aq_avail <= 0) || (num == 0))) + return 0; + struct acc200_queue *q = q_data->queue_private; + int32_t avail = acc200_ring_avail_enq(q); + uint16_t i; + union acc200_dma_desc *desc; + int ret; + for (i = 0; i < num; ++i) { + /* Check if there are available space for further processing */ + if (unlikely(avail < 1)) + break; + avail -= 1; + ret = enqueue_fft_one_op(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; + acc200_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; +} + + +/* Dequeue one FFT operations from ACC200 device */ +static inline int +dequeue_fft_one_op(struct rte_bbdev_queue_data *q_data, + struct acc200_queue *q, struct rte_bbdev_fft_op **ref_op, + uint16_t dequeued_cbs, uint32_t *aq_dequeued) +{ + union acc200_dma_desc *desc, atom_desc; + union acc200_dma_rsp_desc rsp; + struct rte_bbdev_fft_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 & ACC200_FDONE)) + return -1; + + rsp.val = atom_desc.rsp.val; +#ifdef RTE_LIBRTE_BBDEV_DEBUG + rte_memdump(stderr, "Resp", &desc->rsp.val, + sizeof(desc->rsp.val)); +#endif + /* Dequeue */ + op = desc->req.op_addr; + + /* Clearing status, it will be set based on response */ + op->status = 0; + op->status |= rsp.input_err << RTE_BBDEV_DATA_ERROR; + op->status |= rsp.dma_err << RTE_BBDEV_DRV_ERROR; + op->status |= rsp.fcw_err << RTE_BBDEV_DRV_ERROR; + if (op->status != 0) + q_data->queue_stats.dequeue_err_count++; + + /* 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 = ACC200_DMA_DESC_TYPE; + desc->rsp.add_info_0 = 0; + *ref_op = op; + /* One CB (op) was successfully dequeued */ + return 1; +} + + +/* Dequeue FFT operations from ACC200 device. */ +static uint16_t +acc200_dequeue_fft(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_fft_op **ops, uint16_t num) +{ + struct acc200_queue *q = q_data->queue_private; + uint16_t dequeue_num, i, dequeued_cbs = 0; + uint32_t avail = acc200_ring_avail_deq(q); + uint32_t aq_dequeued = 0; + int ret; + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(ops == 0 && q == NULL)) + return 0; +#endif + + dequeue_num = RTE_MIN(avail, num); + + for (i = 0; i < dequeue_num; ++i) { + ret = dequeue_fft_one_op( + 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; +} + /* Initialization Function */ static void acc200_bbdev_init(struct rte_bbdev *dev, struct rte_pci_driver *drv) @@ -4161,6 +4427,8 @@ static inline uint32_t hq_index(uint32_t offset) dev->enqueue_ldpc_dec_ops = acc200_enqueue_ldpc_dec; dev->dequeue_ldpc_enc_ops = acc200_dequeue_ldpc_enc; dev->dequeue_ldpc_dec_ops = acc200_dequeue_ldpc_dec; + dev->enqueue_fft_ops = acc200_enqueue_fft; + dev->dequeue_fft_ops = acc200_dequeue_fft; ((struct acc200_device *) dev->data->dev_private)->pf_device = !strcmp(drv->driver.name, -- 1.8.3.1