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 26DF9A0561; Thu, 4 Mar 2021 15:32:02 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E06B422A2E7; Thu, 4 Mar 2021 15:31:22 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by mails.dpdk.org (Postfix) with ESMTP id 3B44822A2E7 for ; Thu, 4 Mar 2021 15:31:21 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from xuemingl@nvidia.com) with SMTP; 4 Mar 2021 16:31:16 +0200 Received: from nvidia.com (pegasus05.mtr.labs.mlnx [10.210.16.100]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 124EUkoW027668; Thu, 4 Mar 2021 16:31:15 +0200 From: Xueming Li To: Andrew Rybchenko Cc: dev@dpdk.org, Viacheslav Ovsiienko , xuemingl@nvidia.com, Asaf Penso , Thomas Monjalon , Ferruh Yigit , Ray Kinsella , Neil Horman Date: Thu, 4 Mar 2021 14:30:24 +0000 Message-Id: <1614868228-13685-9-git-send-email-xuemingl@nvidia.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1614868228-13685-1-git-send-email-xuemingl@nvidia.com> References: <1614868228-13685-1-git-send-email-xuemingl@nvidia.com> In-Reply-To: <1608303356-13089-2-git-send-email-xuemingl@nvidia.com> References: <1608303356-13089-2-git-send-email-xuemingl@nvidia.com> Subject: [dpdk-dev] [PATCH v8 8/9] ethdev: representor iterator compare complete info 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 Sender: "dev" The NIC can have multiple PCIe links and can be attached to multiple hosts, for example the same single NIC can be shared for multiple server units in the rack. On each PCIe link NIC can provide multiple PFs and VFs/SFs based on these ones. The full representor identifier consists of three indices - controller index, PF index, and VF or SF index (if any). SR-IOV and SubFunction are created on top of PF. PF index is introduced because there might be multiple PFs in the bonding configuration and only bonding device is probed. In eth representor comparator callback, ethdev representor ID was compared with devarg. Since controller index and PF index not compared, callback returned representor from other PF or controller. This patch adds new API to get representor ID from controller, pf and vf/sf index. Representor comparer callback get representor ID then compare with device representor ID. Signed-off-by: Xueming Li --- lib/librte_ethdev/ethdev_driver.h | 32 +++++++++++ lib/librte_ethdev/rte_class_eth.c | 38 +++++++++---- lib/librte_ethdev/rte_ethdev.c | 88 +++++++++++++++++++++++++++++++ lib/librte_ethdev/version.map | 1 + 4 files changed, 150 insertions(+), 9 deletions(-) diff --git a/lib/librte_ethdev/ethdev_driver.h b/lib/librte_ethdev/ethdev_driver.h index 36e866aa03..abe2738348 100644 --- a/lib/librte_ethdev/ethdev_driver.h +++ b/lib/librte_ethdev/ethdev_driver.h @@ -1244,6 +1244,38 @@ struct rte_eth_devargs { enum rte_eth_representor_type type; /* type of representor */ }; +/** + * PMD helper function to get representor ID from location detail. + * + * Get representor ID from controller, pf and (sf or vf). + * The mapping is retrieved from rte_eth_representor_info_get(). + * + * For backward compatibility, if no representor info, direct + * map legacy VF (no controller and pf). + * + * @param ethdev + * Handle of ethdev port. + * @param type + * Representor type. + * @param controller + * Controller ID, -1 if unspecified. + * @param pf + * PF port ID, -1 if unspecified. + * @param representor_port + * VF or SF representor port number, -1 if unspecified. + * @param repr_id + * Pointer to output representor ID. + * + * @return + * Negative errno value on error, 0 on success. + */ +__rte_internal +int +rte_eth_representor_id_get(const struct rte_eth_dev *ethdev, + enum rte_eth_representor_type type, + int controller, int pf, int representor_port, + uint16_t *repr_id); + /** * PMD helper function to parse ethdev arguments * diff --git a/lib/librte_ethdev/rte_class_eth.c b/lib/librte_ethdev/rte_class_eth.c index 051c892b40..1fe5fa1f36 100644 --- a/lib/librte_ethdev/rte_class_eth.c +++ b/lib/librte_ethdev/rte_class_eth.c @@ -65,9 +65,10 @@ eth_representor_cmp(const char *key __rte_unused, { int ret; char *values; - const struct rte_eth_dev_data *data = opaque; - struct rte_eth_devargs representors; - uint16_t index; + const struct rte_eth_dev *edev = opaque; + const struct rte_eth_dev_data *data = edev->data; + struct rte_eth_devargs eth_da; + uint16_t id, nc, np, nf, i, c, p, f; if ((data->dev_flags & RTE_ETH_DEV_REPRESENTOR) == 0) return -1; /* not a representor port */ @@ -76,17 +77,36 @@ eth_representor_cmp(const char *key __rte_unused, values = strdup(value); if (values == NULL) return -1; - memset(&representors, 0, sizeof(representors)); - ret = rte_eth_devargs_parse_representor_ports(values, &representors); + memset(ð_da, 0, sizeof(eth_da)); + ret = rte_eth_devargs_parse_representor_ports(values, ð_da); free(values); if (ret != 0) return -1; /* invalid devargs value */ + if (eth_da.nb_mh_controllers == 0 && eth_da.nb_ports == 0 && + eth_da.nb_representor_ports == 0) + return -1; + nc = eth_da.nb_mh_controllers > 0 ? eth_da.nb_mh_controllers : 1; + np = eth_da.nb_ports > 0 ? eth_da.nb_ports : 1; + nf = eth_da.nb_representor_ports > 0 ? eth_da.nb_representor_ports : 1; + /* Return 0 if representor id is matching one of the values. */ - for (index = 0; index < representors.nb_representor_ports; index++) - if (data->representor_id == - representors.representor_ports[index]) + for (i = 0; i < nc * np * nf; ++i) { + c = i / (np * nf); + p = (i / nf) % np; + f = i % nf; + if (rte_eth_representor_id_get(edev, + eth_da.type, + eth_da.nb_mh_controllers == 0 ? -1 : + eth_da.mh_controllers[c], + eth_da.nb_ports == 0 ? -1 : eth_da.ports[p], + eth_da.nb_representor_ports == 0 ? -1 : + eth_da.representor_ports[f], + &id) < 0) + continue; + if (data->representor_id == id) return 0; + } return -1; /* no match */ } @@ -112,7 +132,7 @@ eth_dev_match(const struct rte_eth_dev *edev, ret = rte_kvargs_process(kvlist, eth_params_keys[RTE_ETH_PARAM_REPRESENTOR], - eth_representor_cmp, edev->data); + eth_representor_cmp, (void *)(uintptr_t)edev); if (ret != 0) return -1; /* search for representor key */ diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 3d4ec8ad5c..2dc464a7ad 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -5609,6 +5609,94 @@ rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da) return result; } +int +rte_eth_representor_id_get(const struct rte_eth_dev *ethdev, + enum rte_eth_representor_type type, + int controller, int pf, int representor_port, + uint16_t *repr_id) +{ + int ret, n, i, count; + struct rte_eth_representor_info *info = NULL; + size_t size; + + if (type == RTE_ETH_REPRESENTOR_NONE) + return 0; + if (repr_id == NULL) + return -EINVAL; + + /* Get PMD representor range info. */ + ret = rte_eth_representor_info_get(ethdev->data->port_id, NULL); + if (ret < 0) { + if (type == RTE_ETH_REPRESENTOR_VF && controller == -1 && + pf == -1) { + /* Direct mapping for legacy VF representor. */ + *repr_id = representor_port; + return 0; + } else { + return ret; + } + } + n = ret; + size = sizeof(*info) + n * sizeof(info->ranges[0]); + info = calloc(1, size); + if (info == NULL) + return -ENOMEM; + ret = rte_eth_representor_info_get(ethdev->data->port_id, info); + if (ret < 0) + goto out; + + /* Default controller and pf to caller. */ + if (controller == -1) + controller = info->controller; + if (pf == -1) + pf = info->pf; + + /* Locate representor ID. */ + ret = -ENOENT; + for (i = 0; i < n; ++i) { + if (info->ranges[i].type != type) + continue; + if (info->ranges[i].controller != controller) + continue; + count = info->ranges[i].id_end - info->ranges[i].id_base + 1; + switch (info->ranges[i].type) { + case RTE_ETH_REPRESENTOR_PF: + if (pf < info->ranges[i].pf || + pf >= info->ranges[i].pf + count) + continue; + *repr_id = info->ranges[i].id_base + + (pf - info->ranges[i].pf); + ret = 0; + goto out; + case RTE_ETH_REPRESENTOR_VF: + if (info->ranges[i].pf != pf) + continue; + if (representor_port < info->ranges[i].vf || + representor_port >= info->ranges[i].vf + count) + continue; + *repr_id = info->ranges[i].id_base + + (representor_port - info->ranges[i].vf); + ret = 0; + goto out; + case RTE_ETH_REPRESENTOR_SF: + if (info->ranges[i].pf != pf) + continue; + if (representor_port < info->ranges[i].sf || + representor_port >= info->ranges[i].sf + count) + continue; + *repr_id = info->ranges[i].id_base + + (representor_port - info->ranges[i].sf); + ret = 0; + goto out; + default: + break; + } + } +out: + free(info); + return ret; +} + static int eth_dev_handle_port_list(const char *cmd __rte_unused, const char *params __rte_unused, diff --git a/lib/librte_ethdev/version.map b/lib/librte_ethdev/version.map index bb6f7436c2..93ad388e96 100644 --- a/lib/librte_ethdev/version.map +++ b/lib/librte_ethdev/version.map @@ -268,6 +268,7 @@ INTERNAL { rte_eth_hairpin_queue_peer_bind; rte_eth_hairpin_queue_peer_unbind; rte_eth_hairpin_queue_peer_update; + rte_eth_representor_id_get; rte_eth_switch_domain_alloc; rte_eth_switch_domain_free; }; -- 2.25.1