From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 08004A0540; Mon, 20 Jul 2020 08:27:03 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id BBB0E2D13; Mon, 20 Jul 2020 08:26:36 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 3A0D72C5E for ; Mon, 20 Jul 2020 08:26:33 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE1 (envelope-from orika@mellanox.com) with SMTP; 20 Jul 2020 09:26:32 +0300 Received: from pegasus04.mtr.labs.mlnx. (pegasus04.mtr.labs.mlnx [10.210.16.126]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 06K6QKuf008177; Mon, 20 Jul 2020 09:26:31 +0300 From: Ori Kam To: jerinj@marvell.com, xiang.w.wang@intel.com, matan@mellanox.com, viacheslavo@mellanox.com, Shahaf Shuler , Thomas Monjalon Cc: guyk@marvell.com, dev@dpdk.org, pbhagavatula@marvell.com, hemant.agrawal@nxp.com, opher@mellanox.com, alexr@mellanox.com, dovrat@marvell.com, pkapoor@marvell.com, nipun.gupta@nxp.com, bruce.richardson@intel.com, yang.a.hong@intel.com, harry.chang@intel.com, gu.jian1@zte.com.cn, shanjiangh@chinatelecom.cn, zhangy.yun@chinatelecom.cn, lixingfu@huachentel.com, wushuai@inspur.com, yuyingxia@yxlink.com, fanchenggang@sunyainfo.com, davidfgao@tencent.com, liuzhong1@chinaunicom.cn, zhaoyong11@huawei.com, oc@yunify.com, jim@netgate.com, hongjun.ni@intel.com, deri@ntop.org, fc@napatech.com, arthur.su@lionic.com, orika@mellanox.com, rasland@mellanox.com, Parav Pandit Date: Mon, 20 Jul 2020 06:26:07 +0000 Message-Id: <1595226378-81144-4-git-send-email-orika@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1595226378-81144-1-git-send-email-orika@mellanox.com> References: <1593941027-86651-1-git-send-email-orika@mellanox.com> <1595226378-81144-1-git-send-email-orika@mellanox.com> Subject: [dpdk-dev] [PATCH v6 03/13] regex/mlx5: add probe function X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This commit adds the probe function to the RegEx PMD. Signed-off-by: Parav Pandit Signed-off-by: Ori Kam --- drivers/common/mlx5/mlx5_devx_cmds.c | 3 + drivers/common/mlx5/mlx5_devx_cmds.h | 2 + drivers/common/mlx5/mlx5_prm.h | 9 +- drivers/regex/mlx5/Makefile | 2 + drivers/regex/mlx5/mlx5_regex.c | 172 +++++++++++++++++++++++++++++++++++ drivers/regex/mlx5/mlx5_regex.h | 6 ++ mk/rte.app.mk | 1 + 7 files changed, 193 insertions(+), 2 deletions(-) diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c index 757c55e..66b8d24 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.c +++ b/drivers/common/mlx5/mlx5_devx_cmds.c @@ -706,6 +706,9 @@ struct mlx5_devx_obj * device_frequency_khz); attr->scatter_fcs_w_decap_disable = MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable); + attr->regex = MLX5_GET(cmd_hca_cap, hcattr, regexp); + attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr, + regexp_num_of_engines); if (attr->qos.sup) { MLX5_SET(query_hca_cap_in, in, op_mod, MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP | diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h index a7e3c39..ab61454 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.h +++ b/drivers/common/mlx5/mlx5_devx_cmds.h @@ -99,6 +99,8 @@ struct mlx5_hca_attr { uint32_t log_max_static_sq_wq:5; /* Static WQE size SQ. */ uint32_t dev_freq_khz; /* Timestamp counter frequency, kHz. */ uint32_t scatter_fcs_w_decap_disable:1; + uint32_t regex:1; + uint32_t regexp_num_of_engines; struct mlx5_hca_qos_attr qos; struct mlx5_hca_vdpa_attr vdpa; }; diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h index d7d6cf8..364db81 100644 --- a/drivers/common/mlx5/mlx5_prm.h +++ b/drivers/common/mlx5/mlx5_prm.h @@ -1043,9 +1043,14 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 wqe_index_ignore_cap[0x1]; u8 dynamic_qp_allocation[0x1]; u8 log_max_qp[0x5]; - u8 reserved_at_a0[0xb]; + u8 regexp[0x1]; + u8 reserved_at_a1[0x3]; + u8 regexp_num_of_engines[0x4]; + u8 reserved_at_a8[0x3]; u8 log_max_srq[0x5]; - u8 reserved_at_b0[0xb]; + u8 reserved_at_b0[0x3]; + u8 regexp_log_crspace_size[0x5]; + u8 reserved_at_b8[0x3]; u8 scatter_fcs_w_decap_disable[0x1]; u8 reserved_at_bc[0x4]; u8 reserved_at_c0[0x8]; diff --git a/drivers/regex/mlx5/Makefile b/drivers/regex/mlx5/Makefile index 4a2f4e0..1bddf21 100644 --- a/drivers/regex/mlx5/Makefile +++ b/drivers/regex/mlx5/Makefile @@ -16,6 +16,8 @@ CFLAGS += -g CFLAGS += -I$(RTE_SDK)/drivers/common/mlx5 CFLAGS += -I$(BUILDDIR)/drivers/common/mlx5 CFLAGS += -I$(RTE_SDK)/drivers/common/mlx5/linux +CFLAGS += -I$(RTE_SDK)/drivers/common/mlx5/linux +CFLAGS += -I$(BUILDDIR)/drivers/common/mlx5/linux CFLAGS += -D_BSD_SOURCE CFLAGS += -D_DEFAULT_SOURCE CFLAGS += -D_XOPEN_SOURCE=600 diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c index 922c236..fe44429 100644 --- a/drivers/regex/mlx5/mlx5_regex.c +++ b/drivers/regex/mlx5/mlx5_regex.c @@ -2,9 +2,181 @@ * Copyright 2020 Mellanox Technologies, Ltd */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + #include "mlx5_regex.h" #include "mlx5_regex_utils.h" int mlx5_regex_logtype; +static const struct rte_regexdev_ops mlx5_regexdev_ops = {0}; + +static struct ibv_device * +mlx5_regex_get_ib_device_match(struct rte_pci_addr *addr) +{ + int n; + struct ibv_device **ibv_list = mlx5_glue->get_device_list(&n); + struct ibv_device *ibv_match = NULL; + + if (!ibv_list) { + rte_errno = ENOSYS; + return NULL; + } + while (n-- > 0) { + struct rte_pci_addr pci_addr; + + DRV_LOG(DEBUG, "Checking device \"%s\"..", ibv_list[n]->name); + if (mlx5_dev_to_pci_addr(ibv_list[n]->ibdev_path, &pci_addr)) + continue; + if (rte_pci_addr_cmp(addr, &pci_addr)) + continue; + ibv_match = ibv_list[n]; + break; + } + if (!ibv_match) + rte_errno = ENOENT; + mlx5_glue->free_device_list(ibv_list); + return ibv_match; +} + +static void +mlx5_regex_get_name(char *name, struct rte_pci_device *pci_dev __rte_unused) +{ + sprintf(name, "mlx5_regex_%02x:%02x.%02x", pci_dev->addr.bus, + pci_dev->addr.devid, pci_dev->addr.function); +} + +static int +mlx5_regex_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + struct ibv_device *ibv; + struct mlx5_regex_priv *priv = NULL; + struct ibv_context *ctx = NULL; + struct mlx5_hca_attr attr; + char name[RTE_REGEXDEV_NAME_MAX_LEN]; + int ret; + + ibv = mlx5_regex_get_ib_device_match(&pci_dev->addr); + if (!ibv) { + DRV_LOG(ERR, "No matching IB device for PCI slot " + PCI_PRI_FMT ".", pci_dev->addr.domain, + pci_dev->addr.bus, pci_dev->addr.devid, + pci_dev->addr.function); + return -rte_errno; + } + DRV_LOG(INFO, "PCI information matches for device \"%s\".", + ibv->name); + ctx = mlx5_glue->dv_open_device(ibv); + if (!ctx) { + DRV_LOG(ERR, "Failed to open IB device \"%s\".", ibv->name); + rte_errno = ENODEV; + return -rte_errno; + } + ret = mlx5_devx_cmd_query_hca_attr(ctx, &attr); + if (ret) { + DRV_LOG(ERR, "Unable to read HCA capabilities."); + rte_errno = ENOTSUP; + goto error; + } else if (!attr.regex || attr.regexp_num_of_engines == 0) { + DRV_LOG(ERR, "Not enough capabilities to support RegEx, maybe " + "old FW/OFED version?"); + rte_errno = ENOTSUP; + goto error; + } + priv = rte_zmalloc("mlx5 regex device private", sizeof(*priv), + RTE_CACHE_LINE_SIZE); + if (!priv) { + DRV_LOG(ERR, "Failed to allocate private memory."); + rte_errno = ENOMEM; + goto error; + } + priv->ctx = ctx; + mlx5_regex_get_name(name, pci_dev); + priv->regexdev = rte_regexdev_register(name); + if (priv->regexdev == NULL) { + DRV_LOG(ERR, "Failed to register RegEx device."); + rte_errno = rte_errno ? rte_errno : EINVAL; + goto error; + } + priv->regexdev->dev_ops = &mlx5_regexdev_ops; + priv->regexdev->device = (struct rte_device *)pci_dev; + priv->regexdev->data->dev_private = priv; + return 0; + +error: + if (ctx) + mlx5_glue->close_device(ctx); + if (priv) + rte_free(priv); + return -rte_errno; +} + +static int +mlx5_regex_pci_remove(struct rte_pci_device *pci_dev) +{ + char name[RTE_REGEXDEV_NAME_MAX_LEN]; + struct rte_regexdev *dev; + struct mlx5_regex_priv *priv = NULL; + + mlx5_regex_get_name(name, pci_dev); + dev = rte_regexdev_get_device_by_name(name); + if (!dev) + return 0; + priv = dev->data->dev_private; + if (priv) { + if (priv->ctx) + mlx5_glue->close_device(priv->ctx); + if (priv->regexdev) + rte_regexdev_unregister(priv->regexdev); + rte_free(priv); + } + return 0; +} + +static const struct rte_pci_id mlx5_regex_pci_id_map[] = { + { + RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, + PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF) + }, + { + .vendor_id = 0 + } +}; + +static struct rte_mlx5_pci_driver mlx5_regex_driver = { + .dev_class = MLX5_CLASS_REGEX, + .pci_driver = { + .driver = { + .name = "mlx5_regex", + }, + .id_table = mlx5_regex_pci_id_map, + .probe = mlx5_regex_pci_probe, + .remove = mlx5_regex_pci_remove, + .drv_flags = 0, + }, +}; + +RTE_INIT_PRIO(rte_mlx5_regex_init, CLASS) +{ + if (mlx5_glue) + rte_mlx5_pci_driver_register(&mlx5_regex_driver); +} + RTE_LOG_REGISTER(mlx5_regex_logtype, pmd.regex.mlx5, NOTICE) +RTE_PMD_EXPORT_NAME(net_mlx5_regex, __COUNTER__); +RTE_PMD_REGISTER_PCI_TABLE(net_mlx5_regex, mlx5_regex_pci_id_map); +RTE_PMD_REGISTER_KMOD_DEP(net_mlx5_regex, "* ib_uverbs & mlx5_core & mlx5_ib"); diff --git a/drivers/regex/mlx5/mlx5_regex.h b/drivers/regex/mlx5/mlx5_regex.h index 0e0495c..0ce1e4d 100644 --- a/drivers/regex/mlx5/mlx5_regex.h +++ b/drivers/regex/mlx5/mlx5_regex.h @@ -5,4 +5,10 @@ #ifndef MLX5_REGEX_H #define MLX5_REGEX_H +struct mlx5_regex_priv { + TAILQ_ENTRY(mlx5_regex_priv) next; + struct ibv_context *ctx; /* Device context. */ + struct rte_pci_device *pci_dev; + struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */ +}; #endif /* MLX5_REGEX_H */ diff --git a/mk/rte.app.mk b/mk/rte.app.mk index a7f30c4..5241fbe 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -101,6 +101,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_SCHED) += -lrte_sched _LDLIBS-$(CONFIG_RTE_LIBRTE_RCU) += -lrte_rcu _LDLIBS-$(CONFIG_RTE_LIBRTE_GRAPH) += -lrte_graph _LDLIBS-$(CONFIG_RTE_LIBRTE_NODE) += -lrte_node +_LDLIBS-$(CONFIG_RTE_LIBRTE_REGEXDEV) += -lrte_regexdev ifeq ($(CONFIG_RTE_EXEC_ENV_LINUX),y) _LDLIBS-$(CONFIG_RTE_LIBRTE_KNI) += -lrte_kni -- 1.8.3.1