From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1EDFCCA486 for ; Fri, 24 Jun 2022 02:57:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8286684849; Fri, 24 Jun 2022 02:57:42 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 8286684849 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ndX2Me_FUxsE; Fri, 24 Jun 2022 02:57:41 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id 099EC84839; Fri, 24 Jun 2022 02:57:41 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 099EC84839 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id BC602C0032; Fri, 24 Jun 2022 02:57:40 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 07B98C002D for ; Fri, 24 Jun 2022 02:57:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id D2C5B405D6 for ; Fri, 24 Jun 2022 02:57:38 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org D2C5B405D6 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id URMWy0SyCpJz for ; Fri, 24 Jun 2022 02:57:38 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 9443E40CB5 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by smtp2.osuosl.org (Postfix) with ESMTPS id 9443E40CB5 for ; Fri, 24 Jun 2022 02:57:37 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R711e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018046050; MF=xuanzhuo@linux.alibaba.com; NM=1; PH=DS; RN=37; SR=0; TI=SMTPD_---0VHEuW6w_1656039449; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0VHEuW6w_1656039449) by smtp.aliyun-inc.com; Fri, 24 Jun 2022 10:57:30 +0800 From: Xuan Zhuo To: virtualization@lists.linux-foundation.org Subject: [PATCH v10 30/41] virtio_pci: extract the logic of active vq for modern pci Date: Fri, 24 Jun 2022 10:56:10 +0800 Message-Id: <20220624025621.128843-31-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> References: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 X-Git-Hash: fef800c86cd2 Cc: Vadim Pasternak , "Michael S. Tsirkin" , linux-remoteproc@vger.kernel.org, Alexei Starovoitov , Bjorn Andersson , Eric Dumazet , Alexander Gordeev , kangjie.xu@linux.alibaba.com, Anton Ivanov , kvm@vger.kernel.org, Daniel Borkmann , Richard Weinberger , Vincent Whitchurch , John Fastabend , Halil Pasic , Jakub Kicinski , Eric Farman , Jesper Dangaard Brouer , Vasily Gorbik , linux-s390@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Mark Gross , Hans de Goede , platform-driver-x86@vger.kernel.org, bpf@vger.kernel.org, Paolo Abeni , Mathieu Poirier , netdev@vger.kernel.org, Cornelia Huck , Sven Schnelle , Johannes Berg , "David S. Miller" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Introduce vp_active_vq() to configure vring to backend after vq attach vring. And configure vq vector if necessary. Signed-off-by: Xuan Zhuo Acked-by: Jason Wang --- drivers/virtio/virtio_pci_modern.c | 46 ++++++++++++++++++------------ 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e7e0b8c850f6..9041d9a41b7d 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -176,6 +176,29 @@ static void vp_reset(struct virtio_device *vdev) vp_synchronize_vectors(vdev); } +static int vp_active_vq(struct virtqueue *vq, u16 msix_vec) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_modern_device *mdev = &vp_dev->mdev; + unsigned long index; + + index = vq->index; + + /* activate the queue */ + vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); + vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), + virtqueue_get_avail_addr(vq), + virtqueue_get_used_addr(vq)); + + if (msix_vec != VIRTIO_MSI_NO_VECTOR) { + msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); + if (msix_vec == VIRTIO_MSI_NO_VECTOR) + return -EBUSY; + } + + return 0; +} + static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) { return vp_modern_config_vector(&vp_dev->mdev, vector); @@ -220,32 +243,19 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, vq->num_max = num; - /* activate the queue */ - vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); - vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), - virtqueue_get_avail_addr(vq), - virtqueue_get_used_addr(vq)); + err = vp_active_vq(vq, msix_vec); + if (err) + goto err; vq->priv = (void __force *)vp_modern_map_vq_notify(mdev, index, NULL); if (!vq->priv) { err = -ENOMEM; - goto err_map_notify; - } - - if (msix_vec != VIRTIO_MSI_NO_VECTOR) { - msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); - if (msix_vec == VIRTIO_MSI_NO_VECTOR) { - err = -EBUSY; - goto err_assign_vector; - } + goto err; } return vq; -err_assign_vector: - if (!mdev->notify_base) - pci_iounmap(mdev->pci_dev, (void __iomem __force *)vq->priv); -err_map_notify: +err: vring_del_virtqueue(vq); return ERR_PTR(err); } -- 2.31.0 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BAD50C433EF for ; Fri, 24 Jun 2022 02:58:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231861AbiFXC6o (ORCPT ); Thu, 23 Jun 2022 22:58:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231508AbiFXC5i (ORCPT ); Thu, 23 Jun 2022 22:57:38 -0400 Received: from out30-45.freemail.mail.aliyun.com (out30-45.freemail.mail.aliyun.com [115.124.30.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B97D062BE1; Thu, 23 Jun 2022 19:57:36 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R711e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046050;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=37;SR=0;TI=SMTPD_---0VHEuW6w_1656039449; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0VHEuW6w_1656039449) by smtp.aliyun-inc.com; Fri, 24 Jun 2022 10:57:30 +0800 From: Xuan Zhuo To: virtualization@lists.linux-foundation.org Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Xuan Zhuo , Vincent Whitchurch , linux-um@lists.infradead.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org, kangjie.xu@linux.alibaba.com Subject: [PATCH v10 30/41] virtio_pci: extract the logic of active vq for modern pci Date: Fri, 24 Jun 2022 10:56:10 +0800 Message-Id: <20220624025621.128843-31-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> References: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 X-Git-Hash: fef800c86cd2 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Introduce vp_active_vq() to configure vring to backend after vq attach vring. And configure vq vector if necessary. Signed-off-by: Xuan Zhuo Acked-by: Jason Wang --- drivers/virtio/virtio_pci_modern.c | 46 ++++++++++++++++++------------ 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e7e0b8c850f6..9041d9a41b7d 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -176,6 +176,29 @@ static void vp_reset(struct virtio_device *vdev) vp_synchronize_vectors(vdev); } +static int vp_active_vq(struct virtqueue *vq, u16 msix_vec) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_modern_device *mdev = &vp_dev->mdev; + unsigned long index; + + index = vq->index; + + /* activate the queue */ + vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); + vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), + virtqueue_get_avail_addr(vq), + virtqueue_get_used_addr(vq)); + + if (msix_vec != VIRTIO_MSI_NO_VECTOR) { + msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); + if (msix_vec == VIRTIO_MSI_NO_VECTOR) + return -EBUSY; + } + + return 0; +} + static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) { return vp_modern_config_vector(&vp_dev->mdev, vector); @@ -220,32 +243,19 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, vq->num_max = num; - /* activate the queue */ - vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); - vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), - virtqueue_get_avail_addr(vq), - virtqueue_get_used_addr(vq)); + err = vp_active_vq(vq, msix_vec); + if (err) + goto err; vq->priv = (void __force *)vp_modern_map_vq_notify(mdev, index, NULL); if (!vq->priv) { err = -ENOMEM; - goto err_map_notify; - } - - if (msix_vec != VIRTIO_MSI_NO_VECTOR) { - msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); - if (msix_vec == VIRTIO_MSI_NO_VECTOR) { - err = -EBUSY; - goto err_assign_vector; - } + goto err; } return vq; -err_assign_vector: - if (!mdev->notify_base) - pci_iounmap(mdev->pci_dev, (void __iomem __force *)vq->priv); -err_map_notify: +err: vring_del_virtqueue(vq); return ERR_PTR(err); } -- 2.31.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4ZVp-00HVkE-Pb for linux-um@lists.infradead.org; Fri, 24 Jun 2022 02:57:40 +0000 From: Xuan Zhuo Subject: [PATCH v10 30/41] virtio_pci: extract the logic of active vq for modern pci Date: Fri, 24 Jun 2022 10:56:10 +0800 Message-Id: <20220624025621.128843-31-xuanzhuo@linux.alibaba.com> In-Reply-To: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> References: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: virtualization@lists.linux-foundation.org Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Xuan Zhuo , Vincent Whitchurch , linux-um@lists.infradead.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org, kangjie.xu@linux.alibaba.com Introduce vp_active_vq() to configure vring to backend after vq attach vring. And configure vq vector if necessary. Signed-off-by: Xuan Zhuo Acked-by: Jason Wang --- drivers/virtio/virtio_pci_modern.c | 46 ++++++++++++++++++------------ 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index e7e0b8c850f6..9041d9a41b7d 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -176,6 +176,29 @@ static void vp_reset(struct virtio_device *vdev) vp_synchronize_vectors(vdev); } +static int vp_active_vq(struct virtqueue *vq, u16 msix_vec) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_modern_device *mdev = &vp_dev->mdev; + unsigned long index; + + index = vq->index; + + /* activate the queue */ + vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); + vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), + virtqueue_get_avail_addr(vq), + virtqueue_get_used_addr(vq)); + + if (msix_vec != VIRTIO_MSI_NO_VECTOR) { + msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); + if (msix_vec == VIRTIO_MSI_NO_VECTOR) + return -EBUSY; + } + + return 0; +} + static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) { return vp_modern_config_vector(&vp_dev->mdev, vector); @@ -220,32 +243,19 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, vq->num_max = num; - /* activate the queue */ - vp_modern_set_queue_size(mdev, index, virtqueue_get_vring_size(vq)); - vp_modern_queue_address(mdev, index, virtqueue_get_desc_addr(vq), - virtqueue_get_avail_addr(vq), - virtqueue_get_used_addr(vq)); + err = vp_active_vq(vq, msix_vec); + if (err) + goto err; vq->priv = (void __force *)vp_modern_map_vq_notify(mdev, index, NULL); if (!vq->priv) { err = -ENOMEM; - goto err_map_notify; - } - - if (msix_vec != VIRTIO_MSI_NO_VECTOR) { - msix_vec = vp_modern_queue_vector(mdev, index, msix_vec); - if (msix_vec == VIRTIO_MSI_NO_VECTOR) { - err = -EBUSY; - goto err_assign_vector; - } + goto err; } return vq; -err_assign_vector: - if (!mdev->notify_base) - pci_iounmap(mdev->pci_dev, (void __iomem __force *)vq->priv); -err_map_notify: +err: vring_del_virtqueue(vq); return ERR_PTR(err); } -- 2.31.0 _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um