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 66C22A052A; Mon, 25 Jan 2021 18:16:23 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4335D141036; Mon, 25 Jan 2021 18:15:54 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by mails.dpdk.org (Postfix) with ESMTP id 72831141028 for ; Mon, 25 Jan 2021 18:15:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611594948; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oeBuFj3a19Igmd2cb60IjFZObmnBhMn4NWytrQS7EmY=; b=SQfvXG6by+/TI+3uEX9pb10sCMIAMfk71YHsCvuqkynAun57t0YxG2/2VxH5bUQGrYB3HU vzsHC0o8bNe1NdlRUuJtra1QqgGPc/Amj9exySSLw/NSL+xVBMusGFexzqaaI1EG9FrUg1 P/1Kv6xCeNCx1tz5Nwl7ArJyih964S0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-429-4tGX-5VfPY-KeU9moNIqPw-1; Mon, 25 Jan 2021 12:15:43 -0500 X-MC-Unique: 4tGX-5VfPY-KeU9moNIqPw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D405C8049C4; Mon, 25 Jan 2021 17:15:42 +0000 (UTC) Received: from max-t490s.redhat.com (unknown [10.36.110.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6895B5D9DB; Mon, 25 Jan 2021 17:15:41 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com, amorenoz@redhat.com, david.marchand@redhat.com Cc: Maxime Coquelin Date: Mon, 25 Jan 2021 18:14:08 +0100 Message-Id: <20210125171444.167241-9-maxime.coquelin@redhat.com> In-Reply-To: <20210125171444.167241-1-maxime.coquelin@redhat.com> References: <20210125171444.167241-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Subject: [dpdk-dev] [PATCH v3 08/44] net/virtio: move PCI specific dev init to PCI ethdev init 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" This patch moves the PCI specific initialization from eth_virtio_dev_init() to eth_virtio_pci_init(). Signed-off-by: Maxime Coquelin Reviewed-by: Chenbo Xia Reviewed-by: David Marchand --- drivers/net/virtio/virtio_ethdev.c | 63 +---------------------- drivers/net/virtio/virtio_pci_ethdev.c | 71 +++++++++++++++++++++++++- 2 files changed, 71 insertions(+), 63 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index ad7e9efd5f..a3e81f336d 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -1676,7 +1676,6 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) struct virtio_hw *hw = eth_dev->data->dev_private; struct virtio_net_config *config; struct virtio_net_config local_config; - struct rte_pci_device *pci_dev = NULL; int ret; /* Reset the device although not necessary at startup */ @@ -1697,9 +1696,6 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) hw->weak_barriers = !vtpci_with_feature(hw, VIRTIO_F_ORDER_PLATFORM); - if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY || hw->bus_type == VIRTIO_BUS_PCI_MODERN) - pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - /* If host does not support both status and MSI-X then disable LSC */ if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) && hw->use_msix != VIRTIO_MSIX_NONE) @@ -1828,45 +1824,9 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) vtpci_reinit_complete(hw); - if (pci_dev) - PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x", - eth_dev->data->port_id, pci_dev->id.vendor_id, - pci_dev->id.device_id); - return 0; } -/* - * Remap the PCI device again (IO port map for legacy device and - * memory map for modern device), so that the secondary process - * could have the PCI initiated correctly. - */ -static int -virtio_remap_pci(struct rte_pci_device *pci_dev, struct virtio_hw *hw) -{ - if (hw->bus_type == VIRTIO_BUS_PCI_MODERN) { - /* - * We don't have to re-parse the PCI config space, since - * rte_pci_map_device() makes sure the mapped address - * in secondary process would equal to the one mapped in - * the primary process: error will be returned if that - * requirement is not met. - * - * That said, we could simply reuse all cap pointers - * (such as dev_cfg, common_cfg, etc.) parsed from the - * primary process, which is stored in shared memory. - */ - if (rte_pci_map_device(pci_dev)) { - PMD_INIT_LOG(DEBUG, "failed to map pci device!"); - return -1; - } - } else if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY) { - if (rte_pci_ioport_map(pci_dev, 0, VTPCI_IO(hw)) < 0) - return -1; - } - - return 0; -} static void virtio_set_vtpci_ops(struct virtio_hw *hw) @@ -1909,17 +1869,11 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) eth_dev->rx_descriptor_done = virtio_dev_rx_queue_done; if (rte_eal_process_type() == RTE_PROC_SECONDARY) { - if (hw->bus_type != VIRTIO_BUS_USER) { - ret = virtio_remap_pci(RTE_ETH_DEV_TO_PCI(eth_dev), hw); - if (ret) - return ret; - } - virtio_set_vtpci_ops(hw); set_rxtx_funcs(eth_dev); - return 0; } + ret = virtio_dev_devargs_parse(eth_dev->device->devargs, &speed, &vectorized); if (ret < 0) return ret; @@ -1936,15 +1890,6 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) } hw->port_id = eth_dev->data->port_id; - /* For virtio_user case the hw->virtio_user_dev is populated by - * virtio_user_eth_dev_alloc() before eth_virtio_dev_init() is called. - */ - if (hw->bus_type != VIRTIO_BUS_USER) { - ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw); - if (ret) - goto err_vtpci_init; - } - rte_spinlock_init(&hw->state_lock); /* reset device and negotiate default features */ @@ -1971,12 +1916,6 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) return 0; err_virtio_init: - if (hw->bus_type == VIRTIO_BUS_PCI_MODERN || hw->bus_type == VIRTIO_BUS_PCI_LEGACY) { - rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); - if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY) - rte_pci_ioport_unmap(VTPCI_IO(hw)); - } -err_vtpci_init: rte_free(eth_dev->data->mac_addrs); eth_dev->data->mac_addrs = NULL; return ret; diff --git a/drivers/net/virtio/virtio_pci_ethdev.c b/drivers/net/virtio/virtio_pci_ethdev.c index 7c849d01ec..6a0ef6edc3 100644 --- a/drivers/net/virtio/virtio_pci_ethdev.c +++ b/drivers/net/virtio/virtio_pci_ethdev.c @@ -32,10 +32,79 @@ static const struct rte_pci_id pci_id_virtio_map[] = { { .vendor_id = 0, /* sentinel */ }, }; + +/* + * Remap the PCI device again (IO port map for legacy device and + * memory map for modern device), so that the secondary process + * could have the PCI initiated correctly. + */ +static int +virtio_remap_pci(struct rte_pci_device *pci_dev, struct virtio_hw *hw) +{ + if (hw->bus_type == VIRTIO_BUS_PCI_MODERN) { + /* + * We don't have to re-parse the PCI config space, since + * rte_pci_map_device() makes sure the mapped address + * in secondary process would equal to the one mapped in + * the primary process: error will be returned if that + * requirement is not met. + * + * That said, we could simply reuse all cap pointers + * (such as dev_cfg, common_cfg, etc.) parsed from the + * primary process, which is stored in shared memory. + */ + if (rte_pci_map_device(pci_dev)) { + PMD_INIT_LOG(DEBUG, "failed to map pci device!"); + return -1; + } + } else if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY) { + if (rte_pci_ioport_map(pci_dev, 0, VTPCI_IO(hw)) < 0) + return -1; + } + + return 0; +} + static int eth_virtio_pci_init(struct rte_eth_dev *eth_dev) { - return eth_virtio_dev_init(eth_dev); + struct virtio_pci_dev *dev = eth_dev->data->dev_private; + struct virtio_hw *hw = &dev->hw; + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + int ret; + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw); + if (ret) { + PMD_INIT_LOG(ERR, "Failed to init PCI device\n"); + return -1; + } + } else { + ret = virtio_remap_pci(RTE_ETH_DEV_TO_PCI(eth_dev), hw); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to remap PCI device\n"); + return -1; + } + } + + ret = eth_virtio_dev_init(eth_dev); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to init virtio device\n"); + goto err_unmap; + } + + PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x", + eth_dev->data->port_id, pci_dev->id.vendor_id, + pci_dev->id.device_id); + + return 0; + +err_unmap: + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); + if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY) + rte_pci_ioport_unmap(VTPCI_IO(hw)); + + return ret; } static int -- 2.29.2