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 40689A0093; Thu, 21 Apr 2022 17:19:43 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A011B427EC; Thu, 21 Apr 2022 17:19:24 +0200 (CEST) Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) by mails.dpdk.org (Postfix) with ESMTP id 7C0FF427FE for ; Thu, 21 Apr 2022 17:19:22 +0200 (CEST) Received: by mail-pl1-f179.google.com with SMTP id b7so5184638plh.2 for ; Thu, 21 Apr 2022 08:19:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=atomicrules-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=py4SuoAVf+nvLpz0nTSkxikJUk20y4m0CYE5cArRewk=; b=0kbThIVbf+ZQOayTwKu05sALiA0NnAEuzjaDKP19A0GHL7TG7k0lO7hexVDtCGeBCL o41r2KTVZF+YzX/rObXZHAJuY4T04CvD7G3DzW827XLSOscOtwMuLgS1Ca06dpbjm6p0 ZiCfoRUHhGjfZFDzvIhodnyDs04LDE0lFrGOM8WvLLoQkpUX0WccLRJ3Loy5gn4B0fgJ 0Th4eXgYVV0BTcB+YQN6vWHmdjgDtY7cgf2PF8cE1eu/OwFAZ2jgTScnkiSXD5eGyIb+ M6yc4/sd2bVbhqhWzhESAs91FjMoQK6+2nqOgNIopIlA6qBf9Xby/LoJJfr4TomSZad0 ImNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=py4SuoAVf+nvLpz0nTSkxikJUk20y4m0CYE5cArRewk=; b=sI50duSrP+m9Aub29qcBv0twkvMX1b5mrSI1FswFHeWBWIQztzBlTvDbt+2PNmFOZq Gp3Nzw836kXl1YnWnVHljQcBPvDsoiGuAKfaRYkwYytlm6LlIwQCgttR3dPQSsUjWH9/ sglFw00Fstz/gtKd8DQykZmpNFu2TbZFaxg4LtqhpGnenrf7rpwgXMakecOvx1EhMaCq PFey8dQzkuGyD3rAnLSQ0oXJhRtlHtKGk4kgdYvKT3jbxlVGUPeLNf7glyaz98W+tiy8 8gl2dW8uFICYlfvSxZ3gDCGuVP85Kt4etwHjZVD3GtuVtYG3hFS5jw67c731VkC2UPH5 9i8w== X-Gm-Message-State: AOAM533VHpEn4Ei6oUYexUV5pGBL4qLoXNAElgYQrtfLeBYpr4KVK1fD oZS425CTDXSnII2qITeS6fBzOId71rZZRA== X-Google-Smtp-Source: ABdhPJzhgQztCJAoqzKSNq0rc7gM3x4U48poK3cxmw12ThPhomE/j7df3kxHAB9f0gNZaGOqIxrn4g== X-Received: by 2002:a17:902:9a0a:b0:158:a22a:5448 with SMTP id v10-20020a1709029a0a00b00158a22a5448mr26812697plp.20.1650554360878; Thu, 21 Apr 2022 08:19:20 -0700 (PDT) Received: from john-All-Series.tds (h75-100-85-216.cntcnh.broadband.dynamic.tds.net. [75.100.85.216]) by smtp.gmail.com with ESMTPSA id q5-20020a056a00084500b0050ace4a699dsm6463465pfk.95.2022.04.21.08.19.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Apr 2022 08:19:20 -0700 (PDT) From: John Miller To: dev@dpdk.org Cc: ferruh.yigit@xilinx.com, ed.czeck@atomicrules.com, John Miller Subject: [PATCH 05/10] baseband/ark: add ark baseband device Date: Thu, 21 Apr 2022 10:18:55 -0500 Message-Id: <20220421151900.703467-5-john.miller@atomicrules.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220421151900.703467-1-john.miller@atomicrules.com> References: <20220421151900.703467-1-john.miller@atomicrules.com> MIME-Version: 1.0 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 Add new ark baseband device. Signed-off-by: John Miller --- drivers/baseband/ark/ark_bbdev.c | 1064 +++++++++++++++++++++++ drivers/baseband/ark/ark_bbdev_common.c | 125 +++ drivers/baseband/ark/ark_bbdev_common.h | 92 ++ drivers/baseband/ark/ark_bbdev_custom.c | 201 +++++ drivers/baseband/ark/ark_bbdev_custom.h | 30 + drivers/baseband/ark/meson.build | 11 + drivers/baseband/ark/version.map | 3 + 7 files changed, 1526 insertions(+) create mode 100644 drivers/baseband/ark/ark_bbdev.c create mode 100644 drivers/baseband/ark/ark_bbdev_common.c create mode 100644 drivers/baseband/ark/ark_bbdev_common.h create mode 100644 drivers/baseband/ark/ark_bbdev_custom.c create mode 100644 drivers/baseband/ark/ark_bbdev_custom.h create mode 100644 drivers/baseband/ark/meson.build create mode 100644 drivers/baseband/ark/version.map diff --git a/drivers/baseband/ark/ark_bbdev.c b/drivers/baseband/ark/ark_bbdev.c new file mode 100644 index 0000000000..b23bbd44d1 --- /dev/null +++ b/drivers/baseband/ark/ark_bbdev.c @@ -0,0 +1,1064 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2021 Atomic Rules LLC + */ + +#include "ark_common.h" +#include "ark_bbdev_common.h" +#include "ark_bbdev_custom.h" +#include "ark_ddm.h" +#include "ark_mpu.h" +#include "ark_rqp.h" +#include "ark_udm.h" + +#include +#include +#include +#include +#include +#include +#include + +#include + +#define DRIVER_NAME baseband_ark + +RTE_LOG_REGISTER_DEFAULT(ark_bbdev_logtype, DEBUG); + +#define ARK_SYSCTRL_BASE 0x0 +#define ARK_PKTGEN_BASE 0x10000 +#define ARK_MPU_RX_BASE 0x20000 +#define ARK_UDM_BASE 0x30000 +#define ARK_MPU_TX_BASE 0x40000 +#define ARK_DDM_BASE 0x60000 +#define ARK_PKTDIR_BASE 0xa0000 +#define ARK_PKTCHKR_BASE 0x90000 +#define ARK_RCPACING_BASE 0xb0000 +#define ARK_MPU_QOFFSET 0x00100 + +#define BB_ARK_TX_Q_FACTOR 4 + +/* TODO move to UDM, verify configuration */ +#define ARK_RX_META_SIZE 32 +#define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE) +#define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM) + +static_assert(sizeof(struct ark_rx_meta) == ARK_RX_META_SIZE, "Unexpected struct size ark_rx_meta"); +static_assert(sizeof(union ark_tx_meta) == 8, "Unexpected struct size ark_tx_meta"); + +static struct rte_pci_id pci_id_ark[] = { + {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1015)}, + {RTE_PCI_DEVICE(AR_VENDOR_ID, 0x1016)}, + {.device_id = 0}, +}; + +static const struct ark_dev_caps +ark_device_caps[] = { + SET_DEV_CAPS(0x1015, true), + SET_DEV_CAPS(0x1016, true), + {.device_id = 0,} +}; + + +/* Forward declarations */ +static const struct rte_bbdev_ops ark_bbdev_pmd_ops; + + +/* queue */ +struct ark_bbdev_queue { + struct rte_ring *active_ops; /* Ring for processed packets */ + + /* RX components */ + /* array of physical addresses of the mbuf data pointer */ + rte_iova_t *rx_paddress_q; + struct ark_udm_t *udm; + struct ark_mpu_t *rx_mpu; + + /* TX components */ + union ark_tx_meta *tx_meta_q; + struct ark_mpu_t *tx_mpu; + struct ark_ddm_t *ddm; + + /* */ + uint32_t tx_queue_mask; + uint32_t rx_queue_mask; + + int32_t rx_seed_index; /* step 1 set with empty mbuf */ + int32_t rx_cons_index; /* step 3 consumed by driver */ + + /* 3 indexes to the paired data rings. */ + int32_t tx_prod_index; /* where to put the next one */ + int32_t tx_free_index; /* local copy of tx_cons_index */ + + /* separate cache line -- written by FPGA -- RX announce */ + RTE_MARKER cacheline1 __rte_cache_min_aligned; + volatile int32_t rx_prod_index; /* step 2 filled by FPGA */ + + /* Separate cache line -- written by FPGA -- RX completion */ + RTE_MARKER cacheline2 __rte_cache_min_aligned; + volatile int32_t tx_cons_index; /* hw is done, can be freed */ +} __rte_cache_aligned; + +static int +ark_bb_hw_q_setup(struct rte_bbdev *bbdev, uint16_t q_id, uint16_t queue_size) +{ + struct ark_bbdev_queue *q = bbdev->data->queues[q_id].queue_private; + + rte_iova_t queue_base; + rte_iova_t phys_addr_q_base; + rte_iova_t phys_addr_prod_index; + rte_iova_t phys_addr_cons_index; + + uint32_t write_interval_ns = 500; /* TODO this seems big */ + + if (ark_mpu_verify(q->rx_mpu, sizeof(rte_iova_t))) { + ARK_BBDEV_LOG(ERR, "Illegal hw/sw configuration RX queue"); + return -1; + } + ARK_BBDEV_LOG(DEBUG, "ark_bb_q setup %u:%u", + bbdev->data->dev_id, q_id); + + /* RX MPU */ + phys_addr_q_base = rte_malloc_virt2iova(q->rx_paddress_q); + /* Force TX mode on MPU to match bbdev behavior */ + ark_mpu_configure(q->rx_mpu, phys_addr_q_base, queue_size, 1); + ark_mpu_reset_stats(q->rx_mpu); + ark_mpu_start(q->rx_mpu); + + /* UDM */ + queue_base = rte_malloc_virt2iova(q); + phys_addr_prod_index = queue_base + + offsetof(struct ark_bbdev_queue, rx_prod_index); + ark_udm_write_addr(q->udm, phys_addr_prod_index); + ark_udm_queue_enable(q->udm, 1); + + /* TX MPU */ + phys_addr_q_base = rte_malloc_virt2iova(q->tx_meta_q); + ark_mpu_configure(q->tx_mpu, phys_addr_q_base, + BB_ARK_TX_Q_FACTOR * queue_size, 1); + ark_mpu_start(q->tx_mpu); + + /* DDM */ + phys_addr_cons_index = queue_base + + offsetof(struct ark_bbdev_queue, tx_cons_index); + ark_ddm_setup(q->ddm, phys_addr_cons_index, write_interval_ns); + + return 0; +} + +/* Setup a queue */ +static int +ark_bb_q_setup(struct rte_bbdev *bbdev, uint16_t q_id, + const struct rte_bbdev_queue_conf *queue_conf) +{ + struct ark_bbdev_queue *q; + struct ark_bbdevice *ark_bb = bbdev->data->dev_private; + + const uint32_t queue_size = queue_conf->queue_size; + const int socket_id = queue_conf->socket; + const uint64_t pg_sz = sysconf(_SC_PAGESIZE); + char ring_name[RTE_RING_NAMESIZE]; + + /* Configuration checks */ + if (!rte_is_power_of_2(queue_size)) { + ARK_BBDEV_LOG(ERR, + "Configuration queue size" + " must be power of two %u", + queue_size); + return -EINVAL; + } + + if (RTE_PKTMBUF_HEADROOM < ARK_RX_META_SIZE) { + ARK_BBDEV_LOG(ERR, + "Error: Ark bbdev requires head room > %d bytes (%s)", + ARK_RX_META_SIZE, __func__); + return -EINVAL; + } + + /* Allocate the queue data structure. */ + q = rte_zmalloc_socket(RTE_STR(DRIVER_NAME), sizeof(*q), + RTE_CACHE_LINE_SIZE, queue_conf->socket); + if (q == NULL) { + ARK_BBDEV_LOG(ERR, "Failed to allocate queue memory"); + return -ENOMEM; + } + bbdev->data->queues[q_id].queue_private = q; + + /* RING */ + snprintf(ring_name, RTE_RING_NAMESIZE, RTE_STR(DRIVER_NAME) "%u:%u", + bbdev->data->dev_id, q_id); + q->active_ops = rte_ring_create(ring_name, + queue_size, + queue_conf->socket, + RING_F_SP_ENQ | RING_F_SC_DEQ); + if (q->active_ops == NULL) { + ARK_BBDEV_LOG(ERR, "Failed to create ring"); + goto free_all; + } + + q->rx_queue_mask = queue_size - 1; + q->tx_queue_mask = (BB_ARK_TX_Q_FACTOR * queue_size) - 1; + + /* Each mbuf requires 2 to 4 objects, factor by BB_ARK_TX_Q_FACTOR */ + q->tx_meta_q = + rte_zmalloc_socket("Ark_bb_txqueue meta", + queue_size * BB_ARK_TX_Q_FACTOR * + sizeof(union ark_tx_meta), + pg_sz, + socket_id); + + if (q->tx_meta_q == 0) { + ARK_BBDEV_LOG(ERR, "Failed to allocate " + "queue memory in %s", __func__); + goto free_all; + } + + q->ddm = RTE_PTR_ADD(ark_bb->ddm.v, q_id * ARK_DDM_QOFFSET); + q->tx_mpu = RTE_PTR_ADD(ark_bb->mputx.v, q_id * ARK_MPU_QOFFSET); + + q->rx_paddress_q = + rte_zmalloc_socket("ark_bb_rx_paddress_q", + queue_size * sizeof(rte_iova_t), + pg_sz, + socket_id); + + if (q->rx_paddress_q == 0) { + ARK_BBDEV_LOG(ERR, + "Failed to allocate queue memory in %s", + __func__); + goto free_all; + } + q->udm = RTE_PTR_ADD(ark_bb->udm.v, q_id * ARK_UDM_QOFFSET); + q->rx_mpu = RTE_PTR_ADD(ark_bb->mpurx.v, q_id * ARK_MPU_QOFFSET); + + /* Structure have been configured, set the hardware */ + return ark_bb_hw_q_setup(bbdev, q_id, queue_size); + +free_all: + rte_free(q->tx_meta_q); + rte_free(q->rx_paddress_q); + rte_free(q); + return -EFAULT; +} + +/* Release queue */ +static int +ark_bb_q_release(struct rte_bbdev *bbdev, uint16_t q_id) +{ + struct ark_bbdev_queue *q = bbdev->data->queues[q_id].queue_private; + + /* TODO Wait for ddm to send out all packets in flight, + * Is this only called after q stop? + */ + + ark_mpu_dump(q->rx_mpu, "rx_MPU release", q_id); + ark_mpu_dump(q->tx_mpu, "tx_MPU release", q_id); + + rte_ring_free(q->active_ops); + rte_free(q->tx_meta_q); + rte_free(q->rx_paddress_q); + rte_free(q); + bbdev->data->queues[q_id].queue_private = NULL; + + ARK_BBDEV_LOG(DEBUG, "released device queue %u:%u", + bbdev->data->dev_id, q_id); + return 0; +} + +static int +ark_bbdev_start(struct rte_bbdev *bbdev) +{ + struct ark_bbdevice *ark_bb = bbdev->data->dev_private; + + ARK_BBDEV_LOG(DEBUG, "Starting device %u", bbdev->data->dev_id); + if (ark_bb->started) + return 0; + + /* start UDM */ + ark_udm_start(ark_bb->udm.v); + + /* start DDM */ + ark_ddm_start(ark_bb->ddm.v); + + ark_bb->started = 1; + + if (ark_bb->start_pg) + ark_pktchkr_run(ark_bb->pc); + + if (ark_bb->start_pg) { + pthread_t thread; + + /* Delay packet generator start allow the hardware to be ready + * This is only used for sanity checking with internal generator + */ + if (pthread_create(&thread, NULL, + ark_pktgen_delay_start, ark_bb->pg)) { + ARK_BBDEV_LOG(ERR, "Could not create pktgen " + "starter thread"); + return -1; + } + } + + return 0; +} + +static void +ark_bbdev_stop(struct rte_bbdev *bbdev) +{ + struct ark_bbdevice *ark_bb = bbdev->data->dev_private; + struct ark_mpu_t *mpu; + unsigned int i; + int status; + + ARK_BBDEV_LOG(DEBUG, "Stopping device %u", bbdev->data->dev_id); + + if (!ark_bb->started) + return; + + /* Stop the packet generator */ + if (ark_bb->start_pg) + ark_pktgen_pause(ark_bb->pg); + + /* Stop DDM */ + /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ + for (i = 0; i < 10; i++) { + status = ark_ddm_stop(ark_bb->ddm.v, 1); + if (status == 0) + break; + } + if (status || i != 0) { + ARK_BBDEV_LOG(ERR, "DDM stop anomaly. status:" + " %d iter: %u. (%s)", + status, + i, + __func__); + ark_ddm_dump(ark_bb->ddm.v, "Stop anomaly"); + + mpu = ark_bb->mputx.v; + for (i = 0; i < ark_bb->max_nb_queues; i++) { + ark_mpu_dump(mpu, "DDM failure dump", i); + mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); + } + } + ark_ddm_dump_stats(ark_bb->ddm.v, "bbdev stop"); + + /* STOP RX Side */ + /* Stop UDM multiple tries attempted */ + for (i = 0; i < 10; i++) { + status = ark_udm_stop(ark_bb->udm.v, 1); + if (status == 0) + break; + } + if (status || i != 0) { + ARK_BBDEV_LOG(WARNING, "UDM stop anomaly. status %d iter: %u. (%s)", + status, i, __func__); + ark_udm_dump(ark_bb->udm.v, "Stop anomaly"); + + mpu = ark_bb->mpurx.v; + for (i = 0; i < ark_bb->max_nb_queues; i++) { + ark_mpu_dump(mpu, "UDM Stop anomaly", i); + mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); + } + } + + ark_udm_dump_stats(ark_bb->udm.v, "Post stop"); + ark_udm_dump_perf(ark_bb->udm.v, "Post stop"); + + /* Stop the packet checker if it is running */ + if (ark_bb->start_pg) { + ark_pktchkr_dump_stats(ark_bb->pc); + ark_pktchkr_stop(ark_bb->pc); + } +} + +static int +ark_bb_q_start(struct rte_bbdev *bbdev, uint16_t q_id) +{ + struct ark_bbdev_queue *q = bbdev->data->queues[q_id].queue_private; + ARK_BBDEV_LOG(DEBUG, "ark_bb_q start %u:%u", bbdev->data->dev_id, q_id); + ark_mpu_start(q->tx_mpu); + ark_mpu_start(q->rx_mpu); + return 0; +} +static int +ark_bb_q_stop(struct rte_bbdev *bbdev, uint16_t q_id) +{ + struct ark_bbdev_queue *q = bbdev->data->queues[q_id].queue_private; + ARK_BBDEV_LOG(DEBUG, "ark_bb_q stop %u:%u", bbdev->data->dev_id, q_id); + ark_mpu_stop(q->tx_mpu); + ark_mpu_stop(q->rx_mpu); + return 0; +} + +/* ************************************************************************* */ +/* Common function for all enqueue and dequeue ops */ +static inline void +ark_bb_enqueue_desc_fill(struct ark_bbdev_queue *q, + struct rte_mbuf *mbuf, + uint16_t offset, /* Extra offset */ + uint8_t flags, + uint32_t *meta, + uint8_t meta_cnt /* 0, 1 or 2 */ + ) +{ + union ark_tx_meta *tx_meta; + int32_t tx_idx; + uint8_t m; + + /* Header */ + tx_idx = q->tx_prod_index & q->tx_queue_mask; + tx_meta = &q->tx_meta_q[tx_idx]; + tx_meta->data_len = rte_pktmbuf_data_len(mbuf) - offset; + tx_meta->flags = flags; + tx_meta->meta_cnt = meta_cnt; + tx_meta->user1 = *meta++; + q->tx_prod_index++; + + for (m = 0; m < meta_cnt; m++) { + tx_idx = q->tx_prod_index & q->tx_queue_mask; + tx_meta = &q->tx_meta_q[tx_idx]; + tx_meta->usermeta0 = *meta++; + tx_meta->usermeta1 = *meta++; + q->tx_prod_index++; + } + + tx_idx = q->tx_prod_index & q->tx_queue_mask; + tx_meta = &q->tx_meta_q[tx_idx]; + tx_meta->physaddr = rte_mbuf_data_iova(mbuf) + offset; + q->tx_prod_index++; +} + +static inline void +ark_bb_enqueue_segmented_pkt(struct ark_bbdev_queue *q, + struct rte_mbuf *mbuf, + uint16_t offset, + uint32_t *meta, uint8_t meta_cnt) +{ + struct rte_mbuf *next; + uint8_t flags = ARK_DDM_SOP; + + while (mbuf != NULL) { + next = mbuf->next; + flags |= (next == NULL) ? ARK_DDM_EOP : 0; + + ark_bb_enqueue_desc_fill(q, mbuf, offset, flags, + meta, meta_cnt); + + flags &= ~ARK_DDM_SOP; /* drop SOP flags */ + meta_cnt = 0; + offset = 0; + + mbuf = next; + } +} + +static inline int +ark_bb_enqueue_common(struct ark_bbdev_queue *q, + struct rte_mbuf *m_in, struct rte_mbuf *m_out, + uint16_t offset, + uint32_t *meta, uint8_t meta_cnt) +{ + int32_t free_queue_space; + int32_t rx_idx; + + /* TX side limit */ + free_queue_space = q->tx_queue_mask - + (q->tx_prod_index - q->tx_free_index); + if (unlikely(free_queue_space < (2 + (2 * m_in->nb_segs)))) + return 1; + + /* RX side limit */ + free_queue_space = q->rx_queue_mask - + (q->rx_seed_index - q->rx_cons_index); + if (unlikely(free_queue_space < m_out->nb_segs)) + return 1; + + if (unlikely(m_in->nb_segs > 1)) + ark_bb_enqueue_segmented_pkt(q, m_in, offset, meta, meta_cnt); + else + ark_bb_enqueue_desc_fill(q, m_in, offset, + ARK_DDM_SOP | ARK_DDM_EOP, + meta, meta_cnt); + + /* We assume that the return mubf has exactly enough segments for + * return data, which is 2048 bytes per segment. + */ + do { + rx_idx = q->rx_seed_index & q->rx_queue_mask; + q->rx_paddress_q[rx_idx] = m_out->buf_iova; + q->rx_seed_index++; + m_out = m_out->next; + } while (m_out); + + return 0; +} + +static inline void +ark_bb_enqueue_finalize(struct rte_bbdev_queue_data *q_data, + struct ark_bbdev_queue *q, + void **ops, + uint16_t nb_ops, uint16_t nb) +{ + /* BBDEV global stats */ + /* These are not really errors, not sure why bbdev counts these. */ + q_data->queue_stats.enqueue_err_count += nb_ops - nb; + q_data->queue_stats.enqueued_count += nb; + + /* Notify HW that */ + if (unlikely(nb == 0)) + return; + + ark_mpu_set_producer(q->tx_mpu, q->tx_prod_index); + ark_mpu_set_producer(q->rx_mpu, q->rx_seed_index); + + /* Queue info for dequeue-side processing */ + rte_ring_enqueue_burst(q->active_ops, + (void **)ops, nb, NULL); +} + +static int +ark_bb_dequeue_segmented(struct rte_mbuf *mbuf0, + int32_t *prx_cons_index, + uint16_t pkt_len + ) +{ + struct rte_mbuf *mbuf; + uint16_t data_len; + uint16_t remaining; + uint16_t segments = 1; + + data_len = RTE_MIN(pkt_len, RTE_MBUF_DEFAULT_DATAROOM); + remaining = pkt_len - data_len; + + mbuf = mbuf0; + mbuf0->data_len = data_len; + while (remaining) { + segments += 1; + mbuf = mbuf->next; + if (unlikely(mbuf == 0)) { + ARK_BBDEV_LOG(CRIT, "Expected chained mbuf with " + "at least %d segments for dequeue " + "of packet length %d", + segments, pkt_len); + return 1; + } + + data_len = RTE_MIN(remaining, + RTE_MBUF_DEFAULT_DATAROOM); + remaining -= data_len; + + mbuf->data_len = data_len; + *prx_cons_index += 1; + } + + if (mbuf->next != 0) { + ARK_BBDEV_LOG(CRIT, "Expected chained mbuf with " + "at exactly %d segments for dequeue " + "of packet length %d. Found %d " + "segments", + segments, pkt_len, mbuf0->nb_segs); + return 1; + } + return 0; +} + +/* ************************************************************************* */ +/* LDPC Decode ops */ +static int16_t +ark_bb_enqueue_ldpc_dec_one_op(struct ark_bbdev_queue *q, + struct rte_bbdev_dec_op *this_op) +{ + struct rte_bbdev_op_ldpc_dec *ldpc_dec_op = &this_op->ldpc_dec; + struct rte_mbuf *m_in = ldpc_dec_op->input.data; + struct rte_mbuf *m_out = ldpc_dec_op->hard_output.data; + uint16_t offset = ldpc_dec_op->input.offset; + uint32_t meta[5] = {0}; + uint8_t meta_cnt = 0; + + /* User's meta move from bbdev op to Arkville HW */ + if (ark_bb_user_enqueue_ldpc_dec(this_op, meta, &meta_cnt)) { + ARK_BBDEV_LOG(ERR, "%s failed", __func__); + return 1; + } + + return ark_bb_enqueue_common(q, m_in, m_out, offset, meta, meta_cnt); +} + +/* Enqueue LDPC Decode -- burst */ +static uint16_t +ark_bb_enqueue_ldpc_dec_ops(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t nb_ops) +{ + struct ark_bbdev_queue *q = q_data->queue_private; + unsigned int max_enq; + uint16_t nb; + + max_enq = rte_ring_free_count(q->active_ops); + max_enq = RTE_MIN(max_enq, nb_ops); + for (nb = 0; nb < max_enq; nb++) { + if (ark_bb_enqueue_ldpc_dec_one_op(q, ops[nb])) + break; + } + + ark_bb_enqueue_finalize(q_data, q, (void **)ops, nb_ops, nb); + return nb; +} + +/* ************************************************************************* */ +/* Dequeue LDPC Decode -- burst */ +static uint16_t +ark_bb_dequeue_ldpc_dec_ops(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_dec_op **ops, uint16_t nb_ops) +{ + struct ark_bbdev_queue *q = q_data->queue_private; + struct rte_mbuf *mbuf; + struct rte_bbdev_dec_op *this_op; + struct ark_rx_meta *meta; + uint32_t *usermeta; + + uint16_t nb = 0; + int32_t prod_index = q->rx_prod_index; + int32_t cons_index = q->rx_cons_index; + + q->tx_free_index = q->tx_cons_index; + + while ((prod_index - cons_index) > 0) { + if (rte_ring_dequeue(q->active_ops, (void **)&this_op)) { + ARK_BBDEV_LOG(ERR, "%s data ready but no op!", + __func__); + q_data->queue_stats.dequeue_err_count += 1; + break; + } + ops[nb] = this_op; + + mbuf = this_op->ldpc_dec.hard_output.data; + + /* META DATA embedded in headroom */ + meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET); + + mbuf->pkt_len = meta->pkt_len; + mbuf->data_len = meta->pkt_len; + + if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN)) { + if (ark_bb_dequeue_segmented(mbuf, &cons_index, + meta->pkt_len)) + q_data->queue_stats.dequeue_err_count += 1; + } else if (mbuf->next != 0) { + ARK_BBDEV_LOG(CRIT, "Expected mbuf with " + "at exactly 1 segments for dequeue " + "of packet length %d. Found %d " + "segments", + meta->pkt_len, mbuf->nb_segs); + q_data->queue_stats.dequeue_err_count += 1; + } + + usermeta = meta->user_meta; + /* User's meta move from Arkville HW to bbdev OP */ + ark_bb_user_dequeue_ldpc_dec(this_op, usermeta); + nb++; + cons_index++; + if (nb >= nb_ops) + break; + } + + q->rx_cons_index = cons_index; + + /* BBdev stats */ + q_data->queue_stats.dequeued_count += nb; + + return nb; +} + +/**************************************************************************/ +/* Enqueue LDPC Encode */ +static int16_t +ark_bb_enqueue_ldpc_enc_one_op(struct ark_bbdev_queue *q, + struct rte_bbdev_enc_op *this_op) +{ + struct rte_bbdev_op_ldpc_enc *ldpc_enc_op = &this_op->ldpc_enc; + struct rte_mbuf *m_in = ldpc_enc_op->input.data; + struct rte_mbuf *m_out = ldpc_enc_op->output.data; + uint16_t offset = ldpc_enc_op->input.offset; + uint32_t meta[5] = {0}; + uint8_t meta_cnt = 0; + + /* User's meta move from bbdev op to Arkville HW */ + if (ark_bb_user_enqueue_ldpc_enc(this_op, meta, &meta_cnt)) { + ARK_BBDEV_LOG(ERR, "%s failed", __func__); + return 1; + } + + return ark_bb_enqueue_common(q, m_in, m_out, offset, meta, meta_cnt); +} + +/* Enqueue LDPC Encode -- burst */ +static uint16_t +ark_bb_enqueue_ldpc_enc_ops(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t nb_ops) +{ + struct ark_bbdev_queue *q = q_data->queue_private; + unsigned int max_enq; + uint16_t nb; + + max_enq = rte_ring_free_count(q->active_ops); + max_enq = RTE_MIN(max_enq, nb_ops); + for (nb = 0; nb < max_enq; nb++) { + if (ark_bb_enqueue_ldpc_enc_one_op(q, ops[nb])) + break; + } + + ark_bb_enqueue_finalize(q_data, q, (void **)ops, nb_ops, nb); + return nb; +} + +/* Dequeue LDPC Encode -- burst */ +static uint16_t +ark_bb_dequeue_ldpc_enc_ops(struct rte_bbdev_queue_data *q_data, + struct rte_bbdev_enc_op **ops, uint16_t nb_ops) +{ + struct ark_bbdev_queue *q = q_data->queue_private; + struct rte_mbuf *mbuf; + struct rte_bbdev_enc_op *this_op; + struct ark_rx_meta *meta; + uint32_t *usermeta; + + uint16_t nb = 0; + int32_t prod_index = q->rx_prod_index; + int32_t cons_index = q->rx_cons_index; + + q->tx_free_index = q->tx_cons_index; + + while ((prod_index - cons_index) > 0) { + if (rte_ring_dequeue(q->active_ops, (void **)&this_op)) { + ARK_BBDEV_LOG(ERR, "%s data ready but no op!", + __func__); + q_data->queue_stats.dequeue_err_count += 1; + break; + } + ops[nb] = this_op; + + mbuf = this_op->ldpc_enc.output.data; + + /* META DATA embedded in headroom */ + meta = RTE_PTR_ADD(mbuf->buf_addr, ARK_RX_META_OFFSET); + + mbuf->pkt_len = meta->pkt_len; + mbuf->data_len = meta->pkt_len; + usermeta = meta->user_meta; + + if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN)) { + if (ark_bb_dequeue_segmented(mbuf, &cons_index, + meta->pkt_len)) + q_data->queue_stats.dequeue_err_count += 1; + } else if (mbuf->next != 0) { + ARK_BBDEV_LOG(CRIT, "Expected mbuf with " + "at exactly 1 segments for dequeue " + "of packet length %d. Found %d " + "segments", + meta->pkt_len, mbuf->nb_segs); + q_data->queue_stats.dequeue_err_count += 1; + } + + /* User's meta move from Arkville HW to bbdev OP */ + ark_bb_user_dequeue_ldpc_enc(this_op, usermeta); + nb++; + cons_index++; + if (nb >= nb_ops) + break; + } + + q->rx_cons_index = cons_index; + + /* BBdev stats */ + q_data->queue_stats.dequeued_count += nb; + + return nb; +} + +/**************************************************************************/ +/* + *Initial device hardware configuration when device is opened + * setup the DDM, and UDM; called once per PCIE device + */ +static int +ark_bb_config_device(struct ark_bbdevice *ark_bb) +{ + uint16_t num_q, i; + struct ark_mpu_t *mpu; + + /* + * Make sure that the packet director, generator and checker are in a + * known state + */ + ark_bb->start_pg = 0; + ark_bb->pg = ark_pktgen_init(ark_bb->pktgen.v, 0, 1); + if (ark_bb->pg == NULL) + return -1; + ark_pktgen_reset(ark_bb->pg); + ark_bb->pc = ark_pktchkr_init(ark_bb->pktchkr.v, 0, 1); + if (ark_bb->pc == NULL) + return -1; + ark_pktchkr_stop(ark_bb->pc); + ark_bb->pd = ark_pktdir_init(ark_bb->pktdir.v); + if (ark_bb->pd == NULL) + return -1; + + /* Verify HW */ + if (ark_udm_verify(ark_bb->udm.v)) + return -1; + if (ark_ddm_verify(ark_bb->ddm.v)) + return -1; + + /* UDM */ + if (ark_udm_reset(ark_bb->udm.v)) { + ARK_BBDEV_LOG(ERR, "Unable to stop and reset UDM"); + return -1; + } + /* Keep in reset until the MPU are cleared */ + + /* MPU reset */ + mpu = ark_bb->mpurx.v; + num_q = ark_api_num_queues(mpu); + ark_bb->max_nb_queues = num_q; + + for (i = 0; i < num_q; i++) { + ark_mpu_reset(mpu); + mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); + } + + /* Only 1 queue supported in the udm */ + ark_udm_stop(ark_bb->udm.v, 0); + ark_udm_configure(ark_bb->udm.v, + RTE_PKTMBUF_HEADROOM, + bbdev->data->queues[q_id]->dataroom, + ARK_RX_WRITE_TIME_NS); + + + ark_udm_stats_reset(ark_bb->udm.v); + ark_udm_stop(ark_bb->udm.v, 0); + + /* TX -- DDM */ + if (ark_ddm_stop(ark_bb->ddm.v, 1)) + ARK_BBDEV_LOG(ERR, "Unable to stop DDM"); + + mpu = ark_bb->mputx.v; + num_q = ark_api_num_queues(mpu); + for (i = 0; i < num_q; i++) { + ark_mpu_reset(mpu); + mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); + } + + ark_ddm_reset(ark_bb->ddm.v); + ark_ddm_stats_reset(ark_bb->ddm.v); + + ark_ddm_stop(ark_bb->ddm.v, 0); + if (ark_bb->rqpacing) + ark_rqp_stats_reset(ark_bb->rqpacing); + + ARK_BBDEV_LOG(INFO, "packet director set to 0x%x", ark_bb->pkt_dir_v); + ark_pktdir_setup(ark_bb->pd, ark_bb->pkt_dir_v); + + if (ark_bb->pkt_gen_args[0]) { + ARK_BBDEV_LOG(INFO, "Setting up the packet generator"); + ark_pktgen_parse(ark_bb->pkt_gen_args); + ark_pktgen_reset(ark_bb->pg); + ark_pktgen_setup(ark_bb->pg); + ark_bb->start_pg = 1; + } + + return 0; +} + +static int +ark_bbdev_init(struct rte_bbdev *bbdev, struct rte_pci_driver *pci_drv) +{ + struct ark_bbdevice *ark_bb = bbdev->data->dev_private; + struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(bbdev->device); + bool rqpacing = false; + int p; + + RTE_SET_USED(pci_drv); + + ark_bb->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; + ark_bb->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; + + ark_bb->sysctrl.v = (void *)&ark_bb->bar0[ARK_SYSCTRL_BASE]; + ark_bb->mpurx.v = (void *)&ark_bb->bar0[ARK_MPU_RX_BASE]; + ark_bb->udm.v = (void *)&ark_bb->bar0[ARK_UDM_BASE]; + ark_bb->mputx.v = (void *)&ark_bb->bar0[ARK_MPU_TX_BASE]; + ark_bb->ddm.v = (void *)&ark_bb->bar0[ARK_DDM_BASE]; + ark_bb->pktdir.v = (void *)&ark_bb->bar0[ARK_PKTDIR_BASE]; + ark_bb->pktgen.v = (void *)&ark_bb->bar0[ARK_PKTGEN_BASE]; + ark_bb->pktchkr.v = (void *)&ark_bb->bar0[ARK_PKTCHKR_BASE]; + + p = 0; + while (ark_device_caps[p].device_id != 0) { + if (pci_dev->id.device_id == ark_device_caps[p].device_id) { + rqpacing = ark_device_caps[p].caps.rqpacing; + break; + } + p++; + } + + if (rqpacing) + ark_bb->rqpacing = + (struct ark_rqpace_t *)(ark_bb->bar0 + ARK_RCPACING_BASE); + else + ark_bb->rqpacing = NULL; + + ark_bb->started = 0; + + ARK_BBDEV_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x", + ark_bb->sysctrl.t32[4], + rte_be_to_cpu_32(ark_bb->sysctrl.t32[0x20 / 4])); + ARK_BBDEV_LOG(INFO, "Arkville HW Commit_ID: %08x", + rte_be_to_cpu_32(ark_bb->sysctrl.t32[0x20 / 4])); + + /* If HW sanity test fails, return an error */ + if (ark_bb->sysctrl.t32[4] != 0xcafef00d) { + ARK_BBDEV_LOG(ERR, + "HW Sanity test has failed, expected constant" + " 0x%x, read 0x%x (%s)", + 0xcafef00d, + ark_bb->sysctrl.t32[4], __func__); + return -1; + } + + return ark_bb_config_device(ark_bb); +} + +static int +ark_bbdev_uninit(struct rte_bbdev *bbdev) +{ + struct ark_bbdevice *ark_bb = bbdev->data->dev_private; + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + ark_pktgen_uninit(ark_bb->pg); + ark_pktchkr_uninit(ark_bb->pc); + + return 0; +} + +static int +ark_bbdev_probe(struct rte_pci_driver *pci_drv, + struct rte_pci_device *pci_dev) +{ + struct rte_bbdev *bbdev = NULL; + char dev_name[RTE_BBDEV_NAME_MAX_LEN]; + struct ark_bbdevice *ark_bb; + + if (pci_dev == NULL) + return -EINVAL; + + rte_pci_device_name(&pci_dev->addr, dev_name, sizeof(dev_name)); + + /* Allocate memory to be used privately by drivers */ + bbdev = rte_bbdev_allocate(pci_dev->device.name); + if (bbdev == NULL) + return -ENODEV; + + /* allocate device private memory */ + bbdev->data->dev_private = rte_zmalloc_socket(dev_name, + sizeof(struct ark_bbdevice), + RTE_CACHE_LINE_SIZE, + pci_dev->device.numa_node); + + if (bbdev->data->dev_private == NULL) { + ARK_BBDEV_LOG(CRIT, + "Allocate of %zu bytes for device \"%s\" failed", + sizeof(struct ark_bbdevice), dev_name); + rte_bbdev_release(bbdev); + return -ENOMEM; + } + ark_bb = bbdev->data->dev_private; + /* Initialize ark_bb */ + ark_bb->pkt_dir_v = 0x00110110; + + /* Fill HW specific part of device structure */ + bbdev->device = &pci_dev->device; + bbdev->intr_handle = NULL; + bbdev->data->socket_id = pci_dev->device.numa_node; + bbdev->dev_ops = &ark_bbdev_pmd_ops; + if (pci_dev->device.devargs) + parse_ark_bbdev_params(pci_dev->device.devargs->args, ark_bb); + + + /* Device specific initialization */ + if (ark_bbdev_init(bbdev, pci_drv)) + return -EIO; + if (ark_bbdev_start(bbdev)) + return -EIO; + + /* Core operations LDPC encode amd decode */ + bbdev->enqueue_ldpc_enc_ops = ark_bb_enqueue_ldpc_enc_ops; + bbdev->dequeue_ldpc_enc_ops = ark_bb_dequeue_ldpc_enc_ops; + bbdev->enqueue_ldpc_dec_ops = ark_bb_enqueue_ldpc_dec_ops; + bbdev->dequeue_ldpc_dec_ops = ark_bb_dequeue_ldpc_dec_ops; + + ARK_BBDEV_LOG(DEBUG, "bbdev id = %u [%s]", + bbdev->data->dev_id, dev_name); + + return 0; +} + +/* Uninitialize device */ +static int +ark_bbdev_remove(struct rte_pci_device *pci_dev) +{ + struct rte_bbdev *bbdev; + int ret; + + if (pci_dev == NULL) + return -EINVAL; + + /* Find device */ + bbdev = rte_bbdev_get_named_dev(pci_dev->device.name); + if (bbdev == NULL) { + ARK_BBDEV_LOG(CRIT, + "Couldn't find HW dev \"%s\" to Uninitialize it", + pci_dev->device.name); + return -ENODEV; + } + + /* Arkville device close */ + ark_bbdev_uninit(bbdev); + rte_free(bbdev->data->dev_private); + + /* Close device */ + ret = rte_bbdev_close(bbdev->data->dev_id); + if (ret < 0) + ARK_BBDEV_LOG(ERR, + "Device %i failed to close during remove: %i", + bbdev->data->dev_id, ret); + + return rte_bbdev_release(bbdev); +} + +/* Operation for the PMD */ +static const struct rte_bbdev_ops ark_bbdev_pmd_ops = { + .info_get = ark_bbdev_info_get, + .start = ark_bbdev_start, + .stop = ark_bbdev_stop, + .queue_setup = ark_bb_q_setup, + .queue_release = ark_bb_q_release, + .queue_start = ark_bb_q_start, + .queue_stop = ark_bb_q_stop, +}; + + + +static struct rte_pci_driver ark_bbdev_pmd_drv = { + .probe = ark_bbdev_probe, + .remove = ark_bbdev_remove, + .id_table = pci_id_ark, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING +}; + +RTE_PMD_REGISTER_PCI(DRIVER_NAME, ark_bbdev_pmd_drv); +RTE_PMD_REGISTER_PCI_TABLE(DRIVER_NAME, pci_id_ark); +RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME, + ARK_BBDEV_PKTGEN_ARG "= " + ARK_BBDEV_PKTCHKR_ARG "= " + ARK_BBDEV_PKTDIR_ARG "=" + ); diff --git a/drivers/baseband/ark/ark_bbdev_common.c b/drivers/baseband/ark/ark_bbdev_common.c new file mode 100644 index 0000000000..6ef0f43654 --- /dev/null +++ b/drivers/baseband/ark/ark_bbdev_common.c @@ -0,0 +1,125 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2021 Atomic Rules LLC + */ + +#include + +#include +#include + +#include "ark_bbdev_common.h" + +static const char * const ark_bbdev_valid_params[] = { + ARK_BBDEV_PKTDIR_ARG, + ARK_BBDEV_PKTGEN_ARG, + ARK_BBDEV_PKTCHKR_ARG, + NULL +}; + +/* Parse 16-bit integer from string argument */ +static inline int +parse_u16_arg(const char *key, const char *value, void *extra_args) +{ + uint16_t *u16 = extra_args; + unsigned int long result; + + if ((value == NULL) || (extra_args == NULL)) + return -EINVAL; + errno = 0; + result = strtoul(value, NULL, 0); + if ((result >= (1 << 16)) || (errno != 0)) { + ARK_BBDEV_LOG(ERR, "Invalid value %" PRIu64 " for %s", result, key); + return -ERANGE; + } + *u16 = (uint16_t)result; + return 0; +} + +static inline int +process_pktdir_arg(const char *key, const char *value, + void *extra_args) +{ + uint32_t *u32 = extra_args; + ARK_BBDEV_LOG(DEBUG, "key = %s, value = %s", key, value); + + *u32 = strtol(value, NULL, 0); + ARK_BBDEV_LOG(DEBUG, "pkt_dir_v = 0x%x", *u32); + return 0; +} + +static inline int +process_file_args(const char *key, const char *value, void *extra_args) +{ + char *args = (char *)extra_args; + ARK_BBDEV_LOG(DEBUG, "key = %s, value = %s", key, value); + + /* Open the configuration file */ + FILE *file = fopen(value, "r"); + char line[ARK_MAX_ARG_LEN]; + int size = 0; + int first = 1; + + if (file == NULL) { + ARK_BBDEV_LOG(ERR, "Unable to open config file %s", + value); + return -1; + } + + while (fgets(line, sizeof(line), file)) { + size += strlen(line); + if (size >= ARK_MAX_ARG_LEN) { + ARK_BBDEV_LOG(ERR, "Unable to parse file %s args, " + "parameter list is too long", value); + fclose(file); + return -1; + } + if (first) { + strncpy(args, line, ARK_MAX_ARG_LEN); + first = 0; + } else { + strncat(args, line, ARK_MAX_ARG_LEN); + } + } + ARK_BBDEV_LOG(DEBUG, "file = %s", args); + fclose(file); + return 0; +} + + +/* Parse parameters used to create device */ +int +parse_ark_bbdev_params(const char *input_args, + struct ark_bbdevice *ark_bb) +{ + struct rte_kvargs *kvlist = NULL; + int ret = 0; + + if (ark_bb == NULL) + return -EINVAL; + if (input_args == NULL) + return ret; + + kvlist = rte_kvargs_parse(input_args, ark_bbdev_valid_params); + if (kvlist == NULL) + return -EFAULT; + + ret = rte_kvargs_process(kvlist, ARK_BBDEV_PKTDIR_ARG, + &process_pktdir_arg, &ark_bb->pkt_dir_v); + if (ret < 0) + goto exit; + + ret = rte_kvargs_process(kvlist, ARK_BBDEV_PKTGEN_ARG, + &process_file_args, &ark_bb->pkt_gen_args); + if (ret < 0) + goto exit; + + ret = rte_kvargs_process(kvlist, ARK_BBDEV_PKTCHKR_ARG, + &process_file_args, &ark_bb->pkt_chkr_args); + if (ret < 0) + goto exit; + + exit: + if (kvlist) + rte_kvargs_free(kvlist); + return ret; +} diff --git a/drivers/baseband/ark/ark_bbdev_common.h b/drivers/baseband/ark/ark_bbdev_common.h new file mode 100644 index 0000000000..670e7e86d6 --- /dev/null +++ b/drivers/baseband/ark/ark_bbdev_common.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2021 Atomic Rules LLC + */ + +#ifndef _ARK_BBDEV_COMMON_H_ +#define _ARK_BBDEV_COMMON_H_ + +#include "ark_pktchkr.h" +#include "ark_pktdir.h" +#include "ark_pktgen.h" + +#define ARK_MAX_ARG_LEN 256 + +/* Acceptable params for ark BBDEV devices */ +/* + * The packet generator is a functional block used to generate packet + * patterns for testing. It is not intended for nominal use. + */ +#define ARK_BBDEV_PKTGEN_ARG "Pkt_gen" + +/* + * The packet checker is a functional block used to verify packet + * patterns for testing. It is not intended for nominal use. + */ +#define ARK_BBDEV_PKTCHKR_ARG "Pkt_chkr" + +/* + * The packet director is used to select the internal ingress and + * egress packets paths during testing. It is not intended for + * nominal use. + */ +#define ARK_BBDEV_PKTDIR_ARG "Pkt_dir" + + +#define def_ptr(type, name) \ + union type { \ + uint64_t *t64; \ + uint32_t *t32; \ + uint16_t *t16; \ + uint8_t *t8; \ + void *v; \ + } name + +/* + * Structure to store private data for each PF/VF instance. + */ +struct ark_bbdevice { + /* Our Bar 0 */ + uint8_t *bar0; + + /* Application Bar needed for extensions */ + uint8_t *a_bar; + + /* Arkville hardware block offsets */ + def_ptr(sys_ctrl, sysctrl); + def_ptr(pkt_gen, pktgen); + def_ptr(mpu_rx, mpurx); + def_ptr(UDM, udm); + def_ptr(mpu_tx, mputx); + def_ptr(DDM, ddm); + def_ptr(pkt_dir, pktdir); + def_ptr(pkt_chkr, pktchkr); + struct ark_rqpace_t *rqpacing; + + /* Pointers to packet generator and checker */ + int start_pg; + ark_pkt_gen_t pg; + ark_pkt_chkr_t pc; + ark_pkt_dir_t pd; + + /* Packet generator/checker args */ + char pkt_gen_args[ARK_MAX_ARG_LEN]; + char pkt_chkr_args[ARK_MAX_ARG_LEN]; + uint32_t pkt_dir_v; + + int started; + unsigned int max_nb_queues; /**< Max number of queues */ + +}; + + +/* Log message for PMD */ +extern int ark_bbdev_logtype; + +/* Helper macro for logging */ +#define ARK_BBDEV_LOG(level, fmt, ...) \ + rte_log(RTE_LOG_ ## level, ark_bbdev_logtype, \ + "ARK_BBD: " fmt "\n", ##__VA_ARGS__) + +int parse_ark_bbdev_params(const char *argv, struct ark_bbdevice *dev); + +#endif diff --git a/drivers/baseband/ark/ark_bbdev_custom.c b/drivers/baseband/ark/ark_bbdev_custom.c new file mode 100644 index 0000000000..6b1553abe1 --- /dev/null +++ b/drivers/baseband/ark/ark_bbdev_custom.c @@ -0,0 +1,201 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2021 Atomic Rules LLC + */ + +#include +#include + +#include +#include /* For debug */ + + +#include "ark_bbdev_common.h" +#include "ark_bbdev_custom.h" + +/* It is expected that functions in this file will be modified based on + * specifics of the FPGA hardware beyond the core Arkville + * components. + */ + +/* bytyes must be range of 0 to 20 */ +static inline +uint8_t ark_bb_cvt_bytes_meta_cnt(size_t bytes) +{ + return (bytes + 3) / 8; +} + +void +ark_bbdev_info_get(struct rte_bbdev *dev, + struct rte_bbdev_driver_info *dev_info) +{ + struct ark_bbdevice *ark_bb = dev->data->dev_private; + + static const struct rte_bbdev_op_cap bbdev_capabilities[] = { + { + .type = RTE_BBDEV_OP_LDPC_DEC, + .cap.ldpc_dec = { + .capability_flags = + RTE_BBDEV_LDPC_CRC_24B_ATTACH | + RTE_BBDEV_LDPC_RATE_MATCH, + .num_buffers_src = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS, + .num_buffers_hard_out = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS + } + }, + { + .type = RTE_BBDEV_OP_LDPC_ENC, + .cap.ldpc_enc = { + .capability_flags = + RTE_BBDEV_LDPC_CRC_24B_ATTACH | + RTE_BBDEV_LDPC_RATE_MATCH, + .num_buffers_src = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS, + .num_buffers_dst = + RTE_BBDEV_LDPC_MAX_CODE_BLOCKS + } + }, + RTE_BBDEV_END_OF_CAPABILITIES_LIST(), + }; + + static struct rte_bbdev_queue_conf default_queue_conf = { + .queue_size = RTE_BBDEV_QUEUE_SIZE_LIMIT, + }; + + default_queue_conf.socket = dev->data->socket_id; + + dev_info->driver_name = RTE_STR(DRIVER_NAME); + dev_info->max_num_queues = ark_bb->max_nb_queues; + dev_info->queue_size_lim = RTE_BBDEV_QUEUE_SIZE_LIMIT; + dev_info->hardware_accelerated = true; + dev_info->max_dl_queue_priority = 0; + dev_info->max_ul_queue_priority = 0; + dev_info->default_queue_conf = default_queue_conf; + dev_info->capabilities = bbdev_capabilities; + dev_info->cpu_flag_reqs = NULL; + dev_info->min_alignment = 4; + +} + +/* Structure defining layout of the ldpc command struct */ +struct ark_bb_ldpc_enc_meta { + uint16_t header; + uint8_t rv_index:2, + basegraph:1, + code_block_mode:1, + rfu_71_68:4; + + uint8_t q_m; + uint32_t e_ea; + uint32_t eb; + uint8_t c; + uint8_t cab; + uint16_t n_cb; + uint16_t pad; + uint16_t trailer; +} __rte_packed; + +/* The size must be less then 20 Bytes */ +static_assert(sizeof(struct ark_bb_ldpc_enc_meta) <= 20, "struct size"); + +/* Custom operation on equeue ldpc operation */ +/* Do these function need queue number? */ +/* Maximum of 20 bytes */ +int +ark_bb_user_enqueue_ldpc_enc(struct rte_bbdev_enc_op *enc_op, + uint32_t *meta, uint8_t *meta_cnt) +{ + struct rte_bbdev_op_ldpc_enc *ldpc_enc_op = &enc_op->ldpc_enc; + struct ark_bb_ldpc_enc_meta *src = (struct ark_bb_ldpc_enc_meta *)meta; + + src->header = 0x4321; /* For testings */ + src->trailer = 0xFEDC; + + src->rv_index = ldpc_enc_op->rv_index; + src->basegraph = ldpc_enc_op->basegraph; + src->code_block_mode = ldpc_enc_op->code_block_mode; + + src->q_m = ldpc_enc_op->q_m; + src->e_ea = 0xABCD; + src->eb = ldpc_enc_op->tb_params.eb; + src->c = ldpc_enc_op->tb_params.c; + src->cab = ldpc_enc_op->tb_params.cab; + + src->n_cb = 0; + + meta[0] = 0x11111110; + meta[1] = 0x22222220; + meta[2] = 0x33333330; + meta[3] = 0x44444440; + meta[4] = 0x55555550; + + *meta_cnt = ark_bb_cvt_bytes_meta_cnt( + sizeof(struct ark_bb_ldpc_enc_meta)); + return 0; +} + +/* Custom operation on dequeue ldpc operation */ +int +ark_bb_user_dequeue_ldpc_enc(struct rte_bbdev_enc_op *enc_op, + const uint32_t *usermeta) +{ + static int dump; /* = 0 */ + /* Just compare with what was sent? */ + uint32_t meta_in[5] = {0}; + uint8_t meta_cnt; + + ark_bb_user_enqueue_ldpc_enc(enc_op, meta_in, &meta_cnt); + if (memcmp(usermeta, meta_in, 3 + (meta_cnt * 8))) { + fprintf(stderr, + "------------------------------------------\n"); + rte_hexdump(stdout, "meta difference for lpdc_enc IN", + meta_in, 20); + rte_hexdump(stdout, "meta difference for lpdc_enc OUT", + usermeta, 20); + } else if (dump) { + rte_hexdump(stdout, "DUMP lpdc_enc IN", usermeta, 20); + dump--; + } + + return 0; +} + + +/* Turbo op call backs for user meta data */ +int ark_bb_user_enqueue_ldpc_dec(struct rte_bbdev_dec_op *enc_op, + uint32_t *meta, uint8_t *meta_cnt) +{ + RTE_SET_USED(enc_op); + meta[0] = 0xF1111110; + meta[1] = 0xF2222220; + meta[2] = 0xF3333330; + meta[3] = 0xF4444440; + meta[4] = 0xF5555550; + + *meta_cnt = ark_bb_cvt_bytes_meta_cnt(20); + return 0; +} + +int ark_bb_user_dequeue_ldpc_dec(struct rte_bbdev_dec_op *enc_op, + const uint32_t *usermeta) +{ + RTE_SET_USED(enc_op); + static int dump; /* = 0 */ + /* Just compare with what was sent? */ + uint32_t meta_in[5] = {0}; + uint8_t meta_cnt; + + ark_bb_user_enqueue_ldpc_dec(enc_op, meta_in, &meta_cnt); + if (memcmp(usermeta, meta_in, 3 + (meta_cnt * 8))) { + fprintf(stderr, + "------------------------------------------\n"); + rte_hexdump(stdout, "meta difference for lpdc_enc IN", + meta_in, 20); + rte_hexdump(stdout, "meta difference for lpdc_enc OUT", + usermeta, 20); + } else if (dump) { + rte_hexdump(stdout, "DUMP lpdc_enc IN", usermeta, 20); + dump--; + } + return 0; +} diff --git a/drivers/baseband/ark/ark_bbdev_custom.h b/drivers/baseband/ark/ark_bbdev_custom.h new file mode 100644 index 0000000000..32a2ef6bb6 --- /dev/null +++ b/drivers/baseband/ark/ark_bbdev_custom.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2021 Atomic Rules LLC + */ + +#ifndef _ARK_BBDEV_CUSTOM_H_ +#define _ARK_BBDEV_CUSTOM_H_ + +#include + +/* Forward declarations */ +struct rte_bbdev; +struct rte_bbdev_driver_info; +struct rte_bbdev_enc_op; +struct rte_bbdev_dec_op; +struct rte_mbuf; + +void ark_bbdev_info_get(struct rte_bbdev *dev, + struct rte_bbdev_driver_info *dev_info); + +int ark_bb_user_enqueue_ldpc_dec(struct rte_bbdev_dec_op *enc_op, + uint32_t *meta, uint8_t *meta_cnt); +int ark_bb_user_dequeue_ldpc_dec(struct rte_bbdev_dec_op *enc_op, + const uint32_t *usermeta); + +int ark_bb_user_enqueue_ldpc_enc(struct rte_bbdev_enc_op *enc_op, + uint32_t *meta, uint8_t *meta_cnt); +int ark_bb_user_dequeue_ldpc_enc(struct rte_bbdev_enc_op *enc_op, + const uint32_t *usermeta); + +#endif diff --git a/drivers/baseband/ark/meson.build b/drivers/baseband/ark/meson.build new file mode 100644 index 0000000000..b876f05c6e --- /dev/null +++ b/drivers/baseband/ark/meson.build @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Luca Boccassi + +deps += ['common_ark', 'bbdev', 'bus_pci', 'pci', 'ring'] +sources = files( + 'ark_bbdev.c', + 'ark_bbdev_common.c', + 'ark_bbdev_custom.c' + ) + +includes += include_directories('../../common/ark') diff --git a/drivers/baseband/ark/version.map b/drivers/baseband/ark/version.map new file mode 100644 index 0000000000..4a76d1d52d --- /dev/null +++ b/drivers/baseband/ark/version.map @@ -0,0 +1,3 @@ +DPDK_21 { + local: *; +}; -- 2.25.1