From patchwork Wed Apr 14 09:18:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhu, Lingshan" X-Patchwork-Id: 12202273 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 076EAC43461 for ; Wed, 14 Apr 2021 09:24:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC5CB61249 for ; Wed, 14 Apr 2021 09:24:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350286AbhDNJYe (ORCPT ); Wed, 14 Apr 2021 05:24:34 -0400 Received: from mga17.intel.com ([192.55.52.151]:26133 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348621AbhDNJY0 (ORCPT ); Wed, 14 Apr 2021 05:24:26 -0400 IronPort-SDR: xMnKtvwJML/HyIHFKrGTDdOnJetkWIawLpD7QZo+sH0Qg72eQxVAcnjgneE6u+agdktatFgeXn PVaugwso4smw== X-IronPort-AV: E=McAfee;i="6200,9189,9953"; a="174709608" X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="174709608" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:05 -0700 IronPort-SDR: OC97/ZAKLwm9Tme1kR0NX3e9TUmlAIeVFUWlmLmUyKUpOMby++OUJVCdGNYY07mVdxgu3RYTvf hsD5kfR6CC9A== X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="424648455" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.240.193.73]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:01 -0700 From: Zhu Lingshan To: jasowang@redhat.com, mst@redhat.com, lulu@redhat.com, leonro@nvidia.com Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Zhu Lingshan Subject: [PATCH 1/3] vDPA/ifcvf: deduce VIRTIO device ID when probe Date: Wed, 14 Apr 2021 17:18:30 +0800 Message-Id: <20210414091832.5132-2-lingshan.zhu@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210414091832.5132-1-lingshan.zhu@intel.com> References: <20210414091832.5132-1-lingshan.zhu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This commit deduces VIRTIO device ID as device type when probe, then ifcvf_vdpa_get_device_id() can simply return the ID. ifcvf_vdpa_get_features() and ifcvf_vdpa_get_config_size() can work properly based on the device ID. Signed-off-by: Zhu Lingshan --- drivers/vdpa/ifcvf/ifcvf_base.h | 1 + drivers/vdpa/ifcvf/ifcvf_main.c | 22 ++++++++++------------ 2 files changed, 11 insertions(+), 12 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index b2eeb16b9c2c..1c04cd256fa7 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -84,6 +84,7 @@ struct ifcvf_hw { u32 notify_off_multiplier; u64 req_features; u64 hw_features; + u32 dev_type; struct virtio_pci_common_cfg __iomem *common_cfg; void __iomem *net_cfg; struct vring_info vring[IFCVF_MAX_QUEUE_PAIRS * 2]; diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 44d7586019da..99b0a6b4c227 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -323,19 +323,9 @@ static u32 ifcvf_vdpa_get_generation(struct vdpa_device *vdpa_dev) static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev) { - struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev); - struct pci_dev *pdev = adapter->pdev; - u32 ret = -ENODEV; - - if (pdev->device < 0x1000 || pdev->device > 0x107f) - return ret; - - if (pdev->device < 0x1040) - ret = pdev->subsystem_device; - else - ret = pdev->device - 0x1040; + struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); - return ret; + return vf->dev_type; } static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev) @@ -466,6 +456,14 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, adapter); vf = &adapter->vf; + if (pdev->device < 0x1000 || pdev->device > 0x107f) + return -EOPNOTSUPP; + + if (pdev->device < 0x1040) + vf->dev_type = pdev->subsystem_device; + else + vf->dev_type = pdev->device - 0x1040; + vf->base = pcim_iomap_table(pdev); adapter->pdev = pdev; From patchwork Wed Apr 14 09:18:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhu, Lingshan" X-Patchwork-Id: 12202275 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9921C433B4 for ; Wed, 14 Apr 2021 09:24:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C478961242 for ; Wed, 14 Apr 2021 09:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235343AbhDNJYk (ORCPT ); Wed, 14 Apr 2021 05:24:40 -0400 Received: from mga17.intel.com ([192.55.52.151]:26135 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348698AbhDNJY3 (ORCPT ); Wed, 14 Apr 2021 05:24:29 -0400 IronPort-SDR: LnV2rzYkcCFsgAzfVh7CETP0evYJVX8sEAkMN+qQTNJhunUH9KgNZRSNl56FDo3khxQifF1zfd 3P9Hpq4+146w== X-IronPort-AV: E=McAfee;i="6200,9189,9953"; a="174709611" X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="174709611" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:08 -0700 IronPort-SDR: FnRRq6L3gRk3Auawzws+8SRx6P5dR0jGKMsHTu2nqQMHity/KuenDtuV4LwdXFb5hSzpgivqPa HItbTFFjBpdg== X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="424648471" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.240.193.73]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:05 -0700 From: Zhu Lingshan To: jasowang@redhat.com, mst@redhat.com, lulu@redhat.com, leonro@nvidia.com Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Zhu Lingshan Subject: [PATCH 2/3] vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA Date: Wed, 14 Apr 2021 17:18:31 +0800 Message-Id: <20210414091832.5132-3-lingshan.zhu@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210414091832.5132-1-lingshan.zhu@intel.com> References: <20210414091832.5132-1-lingshan.zhu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-block for vDPA. Signed-off-by: Zhu Lingshan --- drivers/vdpa/ifcvf/ifcvf_base.h | 17 ++++++++++++++++- drivers/vdpa/ifcvf/ifcvf_main.c | 10 +++++++++- 2 files changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index 1c04cd256fa7..8b403522bf06 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -28,7 +29,12 @@ #define C5000X_PL_SUBSYS_VENDOR_ID 0x8086 #define C5000X_PL_SUBSYS_DEVICE_ID 0x0001 -#define IFCVF_SUPPORTED_FEATURES \ +#define C5000X_PL_BLK_VENDOR_ID 0x1AF4 +#define C5000X_PL_BLK_DEVICE_ID 0x1001 +#define C5000X_PL_BLK_SUBSYS_VENDOR_ID 0x8086 +#define C5000X_PL_BLK_SUBSYS_DEVICE_ID 0x0002 + +#define IFCVF_NET_SUPPORTED_FEATURES \ ((1ULL << VIRTIO_NET_F_MAC) | \ (1ULL << VIRTIO_F_ANY_LAYOUT) | \ (1ULL << VIRTIO_F_VERSION_1) | \ @@ -37,6 +43,15 @@ (1ULL << VIRTIO_F_ACCESS_PLATFORM) | \ (1ULL << VIRTIO_NET_F_MRG_RXBUF)) +#define IFCVF_BLK_SUPPORTED_FEATURES \ + ((1ULL << VIRTIO_BLK_F_SIZE_MAX) | \ + (1ULL << VIRTIO_BLK_F_SEG_MAX) | \ + (1ULL << VIRTIO_BLK_F_BLK_SIZE) | \ + (1ULL << VIRTIO_BLK_F_TOPOLOGY) | \ + (1ULL << VIRTIO_BLK_F_MQ) | \ + (1ULL << VIRTIO_F_VERSION_1) | \ + (1ULL << VIRTIO_F_ACCESS_PLATFORM)) + /* Only one queue pair for now. */ #define IFCVF_MAX_QUEUE_PAIRS 1 diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 99b0a6b4c227..9b6a38b798fa 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -171,7 +171,11 @@ static u64 ifcvf_vdpa_get_features(struct vdpa_device *vdpa_dev) struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); u64 features; - features = ifcvf_get_features(vf) & IFCVF_SUPPORTED_FEATURES; + if (vf->dev_type == VIRTIO_ID_NET) + features = ifcvf_get_features(vf) & IFCVF_NET_SUPPORTED_FEATURES; + + if (vf->dev_type == VIRTIO_ID_BLOCK) + features = ifcvf_get_features(vf) & IFCVF_BLK_SUPPORTED_FEATURES; return features; } @@ -509,6 +513,10 @@ static struct pci_device_id ifcvf_pci_ids[] = { C5000X_PL_DEVICE_ID, C5000X_PL_SUBSYS_VENDOR_ID, C5000X_PL_SUBSYS_DEVICE_ID) }, + { PCI_DEVICE_SUB(C5000X_PL_BLK_VENDOR_ID, + C5000X_PL_BLK_DEVICE_ID, + C5000X_PL_BLK_SUBSYS_VENDOR_ID, + C5000X_PL_BLK_SUBSYS_DEVICE_ID) }, { 0 }, }; From patchwork Wed Apr 14 09:18:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhu, Lingshan" X-Patchwork-Id: 12202277 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24AB0C433ED for ; Wed, 14 Apr 2021 09:24:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0502761242 for ; Wed, 14 Apr 2021 09:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235497AbhDNJYo (ORCPT ); Wed, 14 Apr 2021 05:24:44 -0400 Received: from mga17.intel.com ([192.55.52.151]:26135 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350278AbhDNJYd (ORCPT ); Wed, 14 Apr 2021 05:24:33 -0400 IronPort-SDR: 1gamoEltVEOeC9yc18sbTKA9NC2z8g3BWxDF15fRxUZnSTLIojzYxUI1vLKJW7qneb/nPiTkMT W2hlh/7vuoAA== X-IronPort-AV: E=McAfee;i="6200,9189,9953"; a="174709620" X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="174709620" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:11 -0700 IronPort-SDR: Z+lCQ2wpwHMYl9Ms9Fo0q5WnUi2F2x6tcWxAgSrwJ6QWzTjiuzgM9J23MPeqObhjGGhh0n5UZj 0XbC13vOlfdQ== X-IronPort-AV: E=Sophos;i="5.82,221,1613462400"; d="scan'208";a="424648494" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.240.193.73]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 02:24:08 -0700 From: Zhu Lingshan To: jasowang@redhat.com, mst@redhat.com, lulu@redhat.com, leonro@nvidia.com Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Zhu Lingshan Subject: [PATCH 3/3] vDPA/ifcvf: get_config_size should return dev specific config size Date: Wed, 14 Apr 2021 17:18:32 +0800 Message-Id: <20210414091832.5132-4-lingshan.zhu@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210414091832.5132-1-lingshan.zhu@intel.com> References: <20210414091832.5132-1-lingshan.zhu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org get_config_size() should return the size based on the decected device type. Signed-off-by: Zhu Lingshan Acked-by: Jason Wang --- drivers/vdpa/ifcvf/ifcvf_main.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 9b6a38b798fa..b48b9789b69e 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -347,7 +347,16 @@ static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev) static size_t ifcvf_vdpa_get_config_size(struct vdpa_device *vdpa_dev) { - return sizeof(struct virtio_net_config); + struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); + size_t size; + + if (vf->dev_type == VIRTIO_ID_NET) + size = sizeof(struct virtio_net_config); + + if (vf->dev_type == VIRTIO_ID_BLOCK) + size = sizeof(struct virtio_blk_config); + + return size; } static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev,