From: Nicolas Chautru Date: Mon, 5 Oct 2020 22:12:46 +0000 (-0700) Subject: baseband/acc100: support 4G processing X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=f404dfe35cc3cca8fb81ec0a05faadca9bf4df56;p=dpdk.git baseband/acc100: support 4G processing Adding capability for 4G encode and decoder processing Signed-off-by: Nicolas Chautru Acked-by: Liu Tianjiao Acked-by: Maxime Coquelin --- diff --git a/doc/guides/bbdevs/features/acc100.ini b/doc/guides/bbdevs/features/acc100.ini index 40c7adc9c6..642cd48818 100644 --- a/doc/guides/bbdevs/features/acc100.ini +++ b/doc/guides/bbdevs/features/acc100.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/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c index 0541046c5d..e9aa07d3b2 100644 --- a/drivers/baseband/acc100/rte_acc100_pmd.c +++ b/drivers/baseband/acc100/rte_acc100_pmd.c @@ -342,7 +342,6 @@ alloc_sw_rings_min_mem(struct rte_bbdev *dev, struct acc100_device *d, free_base_addresses(base_addrs, i); } - /* Allocate 64MB memory used for all software rings */ static int acc100_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id) @@ -663,6 +662,41 @@ acc100_dev_info_get(struct rte_bbdev *dev, struct acc100_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_MAP_DEC | + RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP | + 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 = { @@ -746,7 +780,6 @@ acc100_dev_info_get(struct rte_bbdev *dev, #endif } - static const struct rte_bbdev_ops acc100_bbdev_ops = { .setup_queues = acc100_setup_queues, .close = acc100_dev_close, @@ -790,6 +823,58 @@ mbuf_append(struct rte_mbuf *m_head, struct rte_mbuf *m, uint16_t len) return tail; } +/* Fill in a frame control word for turbo encoding. */ +static inline void +acc100_fcw_te_fill(const struct rte_bbdev_enc_op *op, struct acc100_fcw_te *fcw) +{ + fcw->code_block_mode = op->turbo_enc.code_block_mode; + if (fcw->code_block_mode == 0) { /* For TB mode */ + 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 @@ -840,6 +925,25 @@ acc100_fcw_le_fill(const struct rte_bbdev_enc_op *op, fcw->mcb_count = num_cb; } +/* Fill in a frame control word for turbo decoding. */ +static inline void +acc100_fcw_td_fill(const struct rte_bbdev_dec_op *op, struct acc100_fcw_td *fcw) +{ + /* Note : Early termination is always enabled for 4GUL */ + fcw->fcw_ver = 1; + if (op->turbo_dec.code_block_mode == 0) + 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); +} + /* Fill in a frame control word for LDPC decoding. */ static inline void acc100_fcw_ld_fill(const struct rte_bbdev_dec_op *op, struct acc100_fcw_ld *fcw, @@ -1092,6 +1196,87 @@ check_mbuf_total_left(uint32_t mbuf_total_left) } #endif +static inline int +acc100_dma_desc_te_fill(struct rte_bbdev_enc_op *op, + struct acc100_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 = ACC100_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 == 0) { + 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 = acc100_dma_fill_blk_type_in(desc, input, in_offset, + length, seg_total_left, next_triplet); + 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 = acc100_dma_fill_blk_type_out(desc, output, *out_offset, + *out_length, next_triplet, ACC100_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 acc100_dma_desc_le_fill(struct rte_bbdev_enc_op *op, struct acc100_dma_req_desc *desc, struct rte_mbuf **input, @@ -1150,6 +1335,117 @@ acc100_dma_desc_le_fill(struct rte_bbdev_enc_op *op, return 0; } +static inline int +acc100_dma_desc_td_fill(struct rte_bbdev_dec_op *op, + struct acc100_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 = ACC100_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 == 0) { + 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 == 0) + && !check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP)) + 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 = acc100_dma_fill_blk_type_in(desc, input, in_offset, kw, + seg_total_left, next_triplet); + 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 = acc100_dma_fill_blk_type_out( + desc, h_output, *h_out_offset, + k >> 3, next_triplet, ACC100_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 (check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_EQUALIZER)) + *s_out_length = e; + else + *s_out_length = (k * 3) + 12; + + next_triplet = acc100_dma_fill_blk_type_out(desc, s_output, + *s_out_offset, *s_out_length, next_triplet, + ACC100_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 acc100_dma_desc_ld_fill(struct rte_bbdev_dec_op *op, struct acc100_dma_req_desc *desc, @@ -1402,6 +1698,51 @@ acc100_dma_enqueue(struct acc100_queue *q, uint16_t n, } +/* Enqueue one encode operations for ACC100 device in CB mode */ +static inline int +enqueue_enc_one_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op *op, + uint16_t total_enqueued_cbs) +{ + union acc100_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; + acc100_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 = acc100_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 ACC100 device in CB mode */ static inline int enqueue_ldpc_enc_n_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op **ops, @@ -1503,85 +1844,235 @@ enqueue_ldpc_enc_one_op_cb(struct acc100_queue *q, struct rte_bbdev_enc_op *op, return 1; } -static inline int -harq_loopback(struct acc100_queue *q, struct rte_bbdev_dec_op *op, - uint16_t total_enqueued_cbs) { - struct acc100_fcw_ld *fcw; - union acc100_dma_desc *desc; - int next_triplet = 1; - struct rte_mbuf *hq_output_head, *hq_output; - 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); - uint16_t harq_dma_length_in = (h_comp == 0) ? - harq_in_length : - harq_in_length * 6 / 8; - uint16_t harq_dma_length_out = harq_dma_length_in; - bool ddr_mem_in = check_bit(op->ldpc_dec.op_flags, - RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE); - union acc100_harq_layout_data *harq_layout = q->d->harq_layout; - uint16_t harq_index = (ddr_mem_in ? - op->ldpc_dec.harq_combined_input.offset : - op->ldpc_dec.harq_combined_output.offset) - / ACC100_HARQ_OFFSET; +/* Enqueue one encode operations for ACC100 device in TB mode. */ +static inline int +enqueue_enc_one_op_tb(struct acc100_queue *q, struct rte_bbdev_enc_op *op, + uint16_t total_enqueued_cbs, uint8_t cbs_in_tb) +{ + union acc100_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; - fcw = &desc->req.fcw_ld; - /* Set the FCW from loopback into DDR */ - memset(fcw, 0, sizeof(struct acc100_fcw_ld)); - fcw->FCWversion = ACC100_FCW_VER; - fcw->qm = 2; - fcw->Zc = 384; - if (harq_in_length < 16 * ACC100_N_ZC_1) - fcw->Zc = 16; - fcw->ncb = fcw->Zc * ACC100_N_ZC_1; - fcw->rm_e = 2; - fcw->hcin_en = 1; - fcw->hcout_en = 1; + uint64_t fcw_offset = (desc_idx << 8) + ACC100_DESC_FCW_OFFSET; + acc100_fcw_te_fill(op, &desc->req.fcw_te); - rte_bbdev_log(DEBUG, "Loopback IN %d Index %d offset %d length %d %d\n", - ddr_mem_in, harq_index, - harq_layout[harq_index].offset, harq_in_length, - harq_dma_length_in); + 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; - if (ddr_mem_in && (harq_layout[harq_index].offset > 0)) { - fcw->hcin_size0 = harq_layout[harq_index].size0; - fcw->hcin_offset = harq_layout[harq_index].offset; - fcw->hcin_size1 = harq_in_length - fcw->hcin_offset; - harq_dma_length_in = (fcw->hcin_size0 + fcw->hcin_size1); - if (h_comp == 1) - harq_dma_length_in = harq_dma_length_in * 6 / 8; - } else { - fcw->hcin_size0 = harq_in_length; - } - harq_layout[harq_index].val = 0; - rte_bbdev_log(DEBUG, "Loopback FCW Config %d %d %d\n", - fcw->hcin_size0, fcw->hcin_offset, fcw->hcin_size1); - fcw->hcout_size0 = harq_in_length; - fcw->hcin_decomp_mode = h_comp; - fcw->hcout_comp_mode = h_comp; - fcw->gain_i = 1; - fcw->gain_h = 1; + c = op->turbo_enc.tb_params.c; + r = op->turbo_enc.tb_params.r; - /* Set the prefix of descriptor. This could be done at polling */ - acc100_header_init(&desc->req); + 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 = ACC100_FCW_TE_BLEN; - /* Null LLR input for Decoder */ - desc->req.data_ptrs[next_triplet].address = - q->lb_in_addr_iova; - desc->req.data_ptrs[next_triplet].blen = 2; - desc->req.data_ptrs[next_triplet].blkid = ACC100_DMA_BLKID_IN; + ret = acc100_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++; + } + + if (unlikely(desc == NULL)) + return current_enqueued_cbs; + +#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 decode operations for ACC100 device in CB mode */ +static inline int +enqueue_dec_one_op_cb(struct acc100_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs) +{ + union acc100_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; + + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + acc100_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 = acc100_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 acc100_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs) { + struct acc100_fcw_ld *fcw; + union acc100_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; + } else { + harq_in_length = RTE_ALIGN(harq_in_length, 64); + harq_dma_length_in = harq_in_length; + } + harq_dma_length_out = harq_dma_length_in; + + bool ddr_mem_in = check_bit(op->ldpc_dec.op_flags, + RTE_BBDEV_LDPC_INTERNAL_HARQ_MEMORY_IN_ENABLE); + union acc100_harq_layout_data *harq_layout = q->d->harq_layout; + uint16_t harq_index = (ddr_mem_in ? + op->ldpc_dec.harq_combined_input.offset : + op->ldpc_dec.harq_combined_output.offset) + / ACC100_HARQ_OFFSET; + + uint16_t desc_idx = ((q->sw_ring_head + total_enqueued_cbs) + & q->sw_ring_wrap_mask); + desc = q->ring_addr + desc_idx; + fcw = &desc->req.fcw_ld; + /* Set the FCW from loopback into DDR */ + memset(fcw, 0, sizeof(struct acc100_fcw_ld)); + fcw->FCWversion = ACC100_FCW_VER; + fcw->qm = 2; + fcw->Zc = 384; + if (harq_in_length < 16 * ACC100_N_ZC_1) + fcw->Zc = 16; + fcw->ncb = fcw->Zc * ACC100_N_ZC_1; + fcw->rm_e = 2; + fcw->hcin_en = 1; + fcw->hcout_en = 1; + + rte_bbdev_log(DEBUG, "Loopback IN %d Index %d offset %d length %d %d\n", + ddr_mem_in, harq_index, + harq_layout[harq_index].offset, harq_in_length, + harq_dma_length_in); + + if (ddr_mem_in && (harq_layout[harq_index].offset > 0)) { + fcw->hcin_size0 = harq_layout[harq_index].size0; + fcw->hcin_offset = harq_layout[harq_index].offset; + fcw->hcin_size1 = harq_in_length - fcw->hcin_offset; + harq_dma_length_in = (fcw->hcin_size0 + fcw->hcin_size1); + if (h_comp == 1) + harq_dma_length_in = harq_dma_length_in * 6 / 8; + } else { + fcw->hcin_size0 = harq_in_length; + } + harq_layout[harq_index].val = 0; + rte_bbdev_log(DEBUG, "Loopback FCW Config %d %d %d\n", + fcw->hcin_size0, fcw->hcin_offset, fcw->hcin_size1); + fcw->hcout_size0 = harq_in_length; + fcw->hcin_decomp_mode = h_comp; + fcw->hcout_comp_mode = h_comp; + fcw->gain_i = 1; + fcw->gain_h = 1; + + /* Set the prefix of descriptor. This could be done at polling */ + acc100_header_init(&desc->req); + + /* Null LLR input for Decoder */ + desc->req.data_ptrs[next_triplet].address = + q->lb_in_addr_iova; + desc->req.data_ptrs[next_triplet].blen = 2; + desc->req.data_ptrs[next_triplet].blkid = ACC100_DMA_BLKID_IN; desc->req.data_ptrs[next_triplet].last = 0; desc->req.data_ptrs[next_triplet].dma_ext = 0; next_triplet++; @@ -1831,6 +2322,102 @@ enqueue_ldpc_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op, return current_enqueued_cbs; } +/* Enqueue one decode operations for ACC100 device in TB mode */ +static inline int +enqueue_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op, + uint16_t total_enqueued_cbs, uint8_t cbs_in_tb) +{ + union acc100_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) + ACC100_DESC_FCW_OFFSET; + acc100_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 = ACC100_FCW_TD_BLEN; + ret = acc100_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++; + } + + if (unlikely(desc == NULL)) + return current_enqueued_cbs; + +#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. @@ -1908,6 +2495,45 @@ get_num_cbs_in_tb_ldpc_dec(struct rte_bbdev_op_ldpc_dec *ldpc_dec) return cbs_in_tb; } +/* Enqueue encode operations for ACC100 device in CB mode. */ +static uint16_t +acc100_enqueue_enc_cb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + uint16_t i; + union acc100_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; + + acc100_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 bool check_mux(struct rte_bbdev_enc_op **ops, uint16_t num) { @@ -1976,6 +2602,54 @@ acc100_enqueue_ldpc_enc_cb(struct rte_bbdev_queue_data *q_data, return i; } +/* Enqueue encode operations for ACC100 device in TB mode. */ +static uint16_t +acc100_enqueue_enc_tb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + 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 */ + + acc100_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 encode operations for ACC100 device. */ +static uint16_t +acc100_enqueue_enc(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + if (unlikely(num == 0)) + return 0; + if (ops[0]->turbo_enc.code_block_mode == 0) + return acc100_enqueue_enc_tb(q_data, ops, num); + else + return acc100_enqueue_enc_cb(q_data, ops, num); +} + /* Enqueue encode operations for ACC100 device. */ static uint16_t acc100_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data, @@ -1983,7 +2657,51 @@ acc100_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data, { if (unlikely(num == 0)) return 0; - return acc100_enqueue_ldpc_enc_cb(q_data, ops, num); + if (ops[0]->ldpc_enc.code_block_mode == 0) + return acc100_enqueue_enc_tb(q_data, ops, num); + else + return acc100_enqueue_ldpc_enc_cb(q_data, ops, num); +} + + +/* Enqueue decode operations for ACC100 device in CB mode */ +static uint16_t +acc100_enqueue_dec_cb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + uint16_t i; + union acc100_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; + + acc100_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 */ @@ -2081,6 +2799,53 @@ acc100_enqueue_ldpc_dec_cb(struct rte_bbdev_queue_data *q_data, return i; } + +/* Enqueue decode operations for ACC100 device in TB mode */ +static uint16_t +acc100_enqueue_dec_tb(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + int32_t avail = q->sw_ring_depth + q->sw_ring_tail - q->sw_ring_head; + 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; + } + + acc100_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 ACC100 device. */ +static uint16_t +acc100_enqueue_dec(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + if (unlikely(num == 0)) + return 0; + if (ops[0]->turbo_dec.code_block_mode == 0) + return acc100_enqueue_dec_tb(q_data, ops, num); + else + return acc100_enqueue_dec_cb(q_data, ops, num); +} + /* Enqueue decode operations for ACC100 device. */ static uint16_t acc100_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data, @@ -2404,6 +3169,52 @@ dequeue_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op **ref_op, return cb_idx; } +/* Dequeue encode operations from ACC100 device. */ +static uint16_t +acc100_dequeue_enc(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + uint16_t dequeue_num; + uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + uint32_t aq_dequeued = 0; + uint16_t i, dequeued_cbs = 0; + struct rte_bbdev_enc_op *op; + int ret; + +#ifdef RTE_LIBRTE_BBDEV_DEBUG + if (unlikely(ops == NULL || q == NULL)) { + rte_bbdev_log_debug("Unexpected undefined pointer"); + 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_enc.code_block_mode == 0) + ret = dequeue_enc_one_op_tb(q, &ops[i], dequeued_cbs, + &aq_dequeued); + else + ret = dequeue_enc_one_op_cb(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 LDPC encode operations from ACC100 device. */ static uint16_t acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data, @@ -2442,6 +3253,52 @@ acc100_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data, return dequeued_cbs; } + +/* Dequeue decode operations from ACC100 device. */ +static uint16_t +acc100_dequeue_dec(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t num) +{ + struct acc100_queue *q = q_data->queue_private; + uint16_t dequeue_num; + uint32_t avail = q->sw_ring_head - q->sw_ring_tail; + 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 == 0) + 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 ACC100 device. */ static uint16_t acc100_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data, @@ -2495,6 +3352,10 @@ acc100_bbdev_init(struct rte_bbdev *dev, struct rte_pci_driver *drv) struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev->device); dev->dev_ops = &acc100_bbdev_ops; + dev->enqueue_enc_ops = acc100_enqueue_enc; + dev->enqueue_dec_ops = acc100_enqueue_dec; + dev->dequeue_enc_ops = acc100_dequeue_enc; + dev->dequeue_dec_ops = acc100_dequeue_dec; dev->enqueue_ldpc_enc_ops = acc100_enqueue_ldpc_enc; dev->enqueue_ldpc_dec_ops = acc100_enqueue_ldpc_dec; dev->dequeue_ldpc_enc_ops = acc100_dequeue_ldpc_enc;