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GET /api/patches/807332/?format=api
{ "id": 807332, "url": "http://patchwork.ozlabs.org/api/patches/807332/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170829220539.31136.82540.stgit@gimli.home/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170829220539.31136.82540.stgit@gimli.home>", "list_archive_url": null, "date": "2017-08-29T22:05:39", "name": "[2/3] vfio/pci: Add virtual capabilities quirk infrastructure", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "41b43da6bc57bab25f67dc5e3bcb60177d8e0447", "submitter": { "id": 4123, "url": "http://patchwork.ozlabs.org/api/people/4123/?format=api", "name": "Alex Williamson", "email": "alex.williamson@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170829220539.31136.82540.stgit@gimli.home/mbox/", "series": [ { "id": 492, "url": "http://patchwork.ozlabs.org/api/series/492/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492", "date": "2017-08-29T22:05:24", "name": "vfio/pci: Add NVIDIA GPUDirect P2P clique support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/807332/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/807332/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=alex.williamson@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xhjS45lkmz9s9Y\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 30 Aug 2017 08:07:48 +1000 (AEST)", "from localhost ([::1]:47232 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dmofi-0000D1-Jx\n\tfor incoming@patchwork.ozlabs.org; Tue, 29 Aug 2017 18:07:46 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:39185)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <alex.williamson@redhat.com>) id 1dmodo-00080O-HG\n\tfor qemu-devel@nongnu.org; Tue, 29 Aug 2017 18:05:49 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <alex.williamson@redhat.com>) id 1dmodj-0001bk-Ji\n\tfor qemu-devel@nongnu.org; Tue, 29 Aug 2017 18:05:48 -0400", "from mx1.redhat.com ([209.132.183.28]:43654)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <alex.williamson@redhat.com>)\n\tid 1dmodj-0001Zj-Dy\n\tfor qemu-devel@nongnu.org; Tue, 29 Aug 2017 18:05:43 -0400", "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 6E45F883C6;\n\tTue, 29 Aug 2017 22:05:42 +0000 (UTC)", "from gimli.home (ovpn-116-27.phx2.redhat.com [10.3.116.27])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 32AF36FEF1;\n\tTue, 29 Aug 2017 22:05:40 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 6E45F883C6", "From": "Alex Williamson <alex.williamson@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Tue, 29 Aug 2017 16:05:39 -0600", "Message-ID": "<20170829220539.31136.82540.stgit@gimli.home>", "In-Reply-To": "<20170829214929.31136.21144.stgit@gimli.home>", "References": "<20170829214929.31136.21144.stgit@gimli.home>", "User-Agent": "StGit/0.17.1-dirty", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.13", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.26]);\n\tTue, 29 Aug 2017 22:05:42 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH 2/3] vfio/pci: Add virtual capabilities quirk\n\tinfrastructure", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "a175818323@gmail.com", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "If the hypervisor needs to add purely virtual capabilties, give us a\nhook through quirks to do that. Note that we determine the maximum\nsize for a capability based on the physical device, if we insert a\nvirtual capability, that can change. Therefore if maximum size is\nsmaller after added virt capabilities, use that.\n\nSigned-off-by: Alex Williamson <alex.williamson@redhat.com>\n---\n hw/vfio/pci-quirks.c | 4 ++++\n hw/vfio/pci.c | 8 ++++++++\n hw/vfio/pci.h | 1 +\n 3 files changed, 13 insertions(+)", "diff": "diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c\nindex 349085ea12bc..40aaae76feb9 100644\n--- a/hw/vfio/pci-quirks.c\n+++ b/hw/vfio/pci-quirks.c\n@@ -1850,3 +1850,7 @@ void vfio_setup_resetfn_quirk(VFIOPCIDevice *vdev)\n break;\n }\n }\n+int vfio_add_virt_caps(VFIOPCIDevice *vdev, Error **errp)\n+{\n+ return 0;\n+}\ndiff --git a/hw/vfio/pci.c b/hw/vfio/pci.c\nindex 916d365dfab3..bfeaaef22d00 100644\n--- a/hw/vfio/pci.c\n+++ b/hw/vfio/pci.c\n@@ -1833,8 +1833,16 @@ static int vfio_add_std_cap(VFIOPCIDevice *vdev, uint8_t pos, Error **errp)\n pdev->config[PCI_CAPABILITY_LIST] = 0;\n vdev->emulated_config_bits[PCI_CAPABILITY_LIST] = 0xff;\n vdev->emulated_config_bits[PCI_STATUS] |= PCI_STATUS_CAP_LIST;\n+\n+ ret = vfio_add_virt_caps(vdev, errp);\n+ if (ret) {\n+ return ret;\n+ }\n }\n \n+ /* Scale down size, esp in case virt caps were added above */\n+ size = MIN(size, vfio_std_cap_max_size(pdev, pos));\n+\n /* Use emulated next pointer to allow dropping caps */\n pci_set_byte(vdev->emulated_config_bits + pos + PCI_CAP_LIST_NEXT, 0xff);\n \ndiff --git a/hw/vfio/pci.h b/hw/vfio/pci.h\nindex a8366bb2a74a..958cee058b3b 100644\n--- a/hw/vfio/pci.h\n+++ b/hw/vfio/pci.h\n@@ -160,6 +160,7 @@ void vfio_bar_quirk_setup(VFIOPCIDevice *vdev, int nr);\n void vfio_bar_quirk_exit(VFIOPCIDevice *vdev, int nr);\n void vfio_bar_quirk_finalize(VFIOPCIDevice *vdev, int nr);\n void vfio_setup_resetfn_quirk(VFIOPCIDevice *vdev);\n+int vfio_add_virt_caps(VFIOPCIDevice *vdev, Error **errp);\n \n int vfio_populate_vga(VFIOPCIDevice *vdev, Error **errp);\n \n", "prefixes": [ "2/3" ] }