Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/1658307/?format=api
{ "id": 1658307, "url": "http://patchwork.ozlabs.org/api/patches/1658307/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/patch/20220720030436.79520-29-xuanzhuo@linux.alibaba.com/", "project": { "id": 60, "url": "http://patchwork.ozlabs.org/api/projects/60/?format=api", "name": "User-mode Linux Development", "link_name": "linux-um", "list_id": "linux-um.lists.infradead.org", "list_email": "linux-um@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20220720030436.79520-29-xuanzhuo@linux.alibaba.com>", "list_archive_url": null, "date": "2022-07-20T03:04:24", "name": "[v12,28/40] virtio_pci: introduce helper to get/set queue reset", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "dcd00024794739ccdec47eb47972f7c62fed7479", "submitter": { "id": 80519, "url": "http://patchwork.ozlabs.org/api/people/80519/?format=api", "name": "Xuan Zhuo", "email": "xuanzhuo@linux.alibaba.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-um/patch/20220720030436.79520-29-xuanzhuo@linux.alibaba.com/mbox/", "series": [ { "id": 310331, "url": "http://patchwork.ozlabs.org/api/series/310331/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/list/?series=310331", "date": "2022-07-20T03:03:59", "name": "virtio pci support VIRTIO_F_RING_RESET", "version": 12, "mbox": "http://patchwork.ozlabs.org/series/310331/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1658307/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1658307/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "bilbo.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=cJ2j3ndL;\n\tdkim-atps=neutral", "ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=<UNKNOWN>)" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby bilbo.ozlabs.org (Postfix) with ESMTPS id 4LngZK0yP2z9s2R\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 20 Jul 2022 13:06:01 +1000 (AEST)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oE027-00HFFg-1W; Wed, 20 Jul 2022 03:05:55 +0000", "from out30-44.freemail.mail.aliyun.com ([115.124.30.44])\n\tby bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oE023-00HFAI-QD\n\tfor linux-um@lists.infradead.org; Wed, 20 Jul 2022 03:05:53 +0000", "from localhost(mailfrom:xuanzhuo@linux.alibaba.com\n fp:SMTPD_---0VJuvIne_1658286343)\n by smtp.aliyun-inc.com;\n Wed, 20 Jul 2022 11:05:44 +0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=Z8CvMuLeXQPcvB/XTkEO0c/RrSdWo3a6z2AC7zK6nag=; b=cJ2j3ndL1rTD37\n\tjfWyKE/7/8P/T+HppxEHQqtVY/3kXvMs4jbVR7aK3IVtuqXBvQpAtQwyW8qayeuoWg364l+lvtb7r\n\tJUFJ2g11ZDwFMYDuaSG9Nh7PLxR758Gc+Ke3GY9taBSWE/7Id5EpjC2xnmRdOWJFucFEtgseSEBfu\n\tgh8E1KRmj/z9pTY+VYFoUwUkyKKNA6tecTcQEvzBAzbB8niEl5GPUgNED8NIw80AXTK89P615OFjT\n\t3oFxaVb7myci03+/gceTn2kaXyC07orIOqhSM2duxT6BfVoLUV0CZ65GO8Am3/QRhl6BXGzdKjNpz\n\tfD89Xfm0IEcRJ93EZt0w==;", "X-Alimail-AntiSpam": "\n AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=37;SR=0;TI=SMTPD_---0VJuvIne_1658286343;", "From": "Xuan Zhuo <xuanzhuo@linux.alibaba.com>", "To": "virtualization@lists.linux-foundation.org", "Cc": "Richard Weinberger <richard@nod.at>,\n\tAnton Ivanov <anton.ivanov@cambridgegreys.com>,\n\tJohannes Berg <johannes@sipsolutions.net>,\n\t\"Michael S. Tsirkin\" <mst@redhat.com>,\n\tJason Wang <jasowang@redhat.com>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tEric Dumazet <edumazet@google.com>,\n\tJakub Kicinski <kuba@kernel.org>,\n\tPaolo Abeni <pabeni@redhat.com>,\n\tHans de Goede <hdegoede@redhat.com>,\n\tMark Gross <markgross@kernel.org>,\n\tVadim Pasternak <vadimp@nvidia.com>,\n\tBjorn Andersson <bjorn.andersson@linaro.org>,\n\tMathieu Poirier <mathieu.poirier@linaro.org>,\n\tCornelia Huck <cohuck@redhat.com>,\n\tHalil Pasic <pasic@linux.ibm.com>,\n\tEric Farman <farman@linux.ibm.com>,\n\tHeiko Carstens <hca@linux.ibm.com>,\n\tVasily Gorbik <gor@linux.ibm.com>,\n\tAlexander Gordeev <agordeev@linux.ibm.com>,\n\tChristian Borntraeger <borntraeger@linux.ibm.com>,\n\tSven Schnelle <svens@linux.ibm.com>,\n\tAlexei Starovoitov <ast@kernel.org>,\n\tDaniel Borkmann <daniel@iogearbox.net>,\n\tJesper Dangaard Brouer <hawk@kernel.org>,\n\tJohn Fastabend <john.fastabend@gmail.com>,\n\tXuan Zhuo <xuanzhuo@linux.alibaba.com>,\n\tVincent Whitchurch <vincent.whitchurch@axis.com>,\n\tlinux-um@lists.infradead.org,\n\tnetdev@vger.kernel.org,\n\tplatform-driver-x86@vger.kernel.org,\n\tlinux-remoteproc@vger.kernel.org,\n\tlinux-s390@vger.kernel.org,\n\tkvm@vger.kernel.org,\n\tbpf@vger.kernel.org,\n\tkangjie.xu@linux.alibaba.com", "Subject": "[PATCH v12 28/40] virtio_pci: introduce helper to get/set queue reset", "Date": "Wed, 20 Jul 2022 11:04:24 +0800", "Message-Id": "<20220720030436.79520-29-xuanzhuo@linux.alibaba.com>", "X-Mailer": "git-send-email 2.31.0", "In-Reply-To": "<20220720030436.79520-1-xuanzhuo@linux.alibaba.com>", "References": "<20220720030436.79520-1-xuanzhuo@linux.alibaba.com>", "MIME-Version": "1.0", "X-Git-Hash": "366032b2ffac", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20220719_200552_040259_DDE12636 ", "X-CRM114-Status": "UNSURE ( 7.87 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-8.0 (--------)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Introduce new helpers to implement queue reset and get\n queue\n reset status. https://github.com/oasis-tcs/virtio-spec/issues/124\n https://github.com/oasis-tcs/virtio-spec/issues/139\n Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang\n <jasowang@redhat.com> --- drivers/virtio/virtio_pci_modern_dev.c | 39\n ++++++++++++++++++++++++++\n include/linux/virtio_pci_mod [...]\n Content analysis details: (-8.0 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/,\n no trust\n [115.124.30.44 listed in list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -7.5 USER_IN_DEF_SPF_WL From: address is in the default SPF\n white-list\n -0.5 ENV_AND_HDR_SPF_MATCH Env and Hdr From used in default SPF WL\n Match\n 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay\n lines", "X-BeenThere": "linux-um@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<linux-um.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-um/>", "List-Post": "<mailto:linux-um@lists.infradead.org>", "List-Help": "<mailto:linux-um-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-um\" <linux-um-bounces@lists.infradead.org>", "Errors-To": "linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Introduce new helpers to implement queue reset and get queue reset\nstatus.\n\n https://github.com/oasis-tcs/virtio-spec/issues/124\n https://github.com/oasis-tcs/virtio-spec/issues/139\n\nSigned-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>\nAcked-by: Jason Wang <jasowang@redhat.com>\n---\n drivers/virtio/virtio_pci_modern_dev.c | 39 ++++++++++++++++++++++++++\n include/linux/virtio_pci_modern.h | 2 ++\n 2 files changed, 41 insertions(+)", "diff": "diff --git a/drivers/virtio/virtio_pci_modern_dev.c b/drivers/virtio/virtio_pci_modern_dev.c\nindex fa2a9445bb18..869cb46bef96 100644\n--- a/drivers/virtio/virtio_pci_modern_dev.c\n+++ b/drivers/virtio/virtio_pci_modern_dev.c\n@@ -3,6 +3,7 @@\n #include <linux/virtio_pci_modern.h>\n #include <linux/module.h>\n #include <linux/pci.h>\n+#include <linux/delay.h>\n \n /*\n * vp_modern_map_capability - map a part of virtio pci capability\n@@ -474,6 +475,44 @@ void vp_modern_set_status(struct virtio_pci_modern_device *mdev,\n }\n EXPORT_SYMBOL_GPL(vp_modern_set_status);\n \n+/*\n+ * vp_modern_get_queue_reset - get the queue reset status\n+ * @mdev: the modern virtio-pci device\n+ * @index: queue index\n+ */\n+int vp_modern_get_queue_reset(struct virtio_pci_modern_device *mdev, u16 index)\n+{\n+\tstruct virtio_pci_modern_common_cfg __iomem *cfg;\n+\n+\tcfg = (struct virtio_pci_modern_common_cfg __iomem *)mdev->common;\n+\n+\tvp_iowrite16(index, &cfg->cfg.queue_select);\n+\treturn vp_ioread16(&cfg->queue_reset);\n+}\n+EXPORT_SYMBOL_GPL(vp_modern_get_queue_reset);\n+\n+/*\n+ * vp_modern_set_queue_reset - reset the queue\n+ * @mdev: the modern virtio-pci device\n+ * @index: queue index\n+ */\n+void vp_modern_set_queue_reset(struct virtio_pci_modern_device *mdev, u16 index)\n+{\n+\tstruct virtio_pci_modern_common_cfg __iomem *cfg;\n+\n+\tcfg = (struct virtio_pci_modern_common_cfg __iomem *)mdev->common;\n+\n+\tvp_iowrite16(index, &cfg->cfg.queue_select);\n+\tvp_iowrite16(1, &cfg->queue_reset);\n+\n+\twhile (vp_ioread16(&cfg->queue_reset))\n+\t\tmsleep(1);\n+\n+\twhile (vp_ioread16(&cfg->cfg.queue_enable))\n+\t\tmsleep(1);\n+}\n+EXPORT_SYMBOL_GPL(vp_modern_set_queue_reset);\n+\n /*\n * vp_modern_queue_vector - set the MSIX vector for a specific virtqueue\n * @mdev: the modern virtio-pci device\ndiff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h\nindex 05123b9a606f..c4eeb79b0139 100644\n--- a/include/linux/virtio_pci_modern.h\n+++ b/include/linux/virtio_pci_modern.h\n@@ -113,4 +113,6 @@ void __iomem * vp_modern_map_vq_notify(struct virtio_pci_modern_device *mdev,\n \t\t\t\t u16 index, resource_size_t *pa);\n int vp_modern_probe(struct virtio_pci_modern_device *mdev);\n void vp_modern_remove(struct virtio_pci_modern_device *mdev);\n+int vp_modern_get_queue_reset(struct virtio_pci_modern_device *mdev, u16 index);\n+void vp_modern_set_queue_reset(struct virtio_pci_modern_device *mdev, u16 index);\n #endif\n", "prefixes": [ "v12", "28/40" ] }