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GET /api/patches/815339/?format=api
{ "id": 815339, "url": "http://patchwork.ozlabs.org/api/patches/815339/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1505807208-9063-16-git-send-email-eric.auger@redhat.com/", "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": "<1505807208-9063-16-git-send-email-eric.auger@redhat.com>", "list_archive_url": null, "date": "2017-09-19T07:46:47", "name": "[RFC,v4,15/16] virtio-iommu: Implement set_page_size_mask", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "49670f70632633b32a0976fa14575a4cb59ebdcd", "submitter": { "id": 69187, "url": "http://patchwork.ozlabs.org/api/people/69187/?format=api", "name": "Eric Auger", "email": "eric.auger@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1505807208-9063-16-git-send-email-eric.auger@redhat.com/mbox/", "series": [ { "id": 3796, "url": "http://patchwork.ozlabs.org/api/series/3796/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3796", "date": "2017-09-19T07:46:32", "name": "VIRTIO-IOMMU device", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/3796/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/815339/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/815339/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-mx04.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=eric.auger@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 3xxFg43QQRz9s82\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 19 Sep 2017 18:00:47 +1000 (AEST)", "from localhost ([::1]:40650 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 1duDSV-0001FL-6y\n\tfor incoming@patchwork.ozlabs.org; Tue, 19 Sep 2017 04:00:43 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:48470)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <eric.auger@redhat.com>) id 1duDIZ-0001mq-TV\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:50:29 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <eric.auger@redhat.com>) id 1duDIZ-0001zT-0O\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 03:50:27 -0400", "from mx1.redhat.com ([209.132.183.28]:54864)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <eric.auger@redhat.com>)\n\tid 1duDIU-0001vz-4a; Tue, 19 Sep 2017 03:50:22 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\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 0D17D85550;\n\tTue, 19 Sep 2017 07:50:21 +0000 (UTC)", "from localhost.localdomain.com (ovpn-116-197.ams2.redhat.com\n\t[10.36.116.197])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 81D1F60466;\n\tTue, 19 Sep 2017 07:50:13 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 0D17D85550", "From": "Eric Auger <eric.auger@redhat.com>", "To": "eric.auger.pro@gmail.com, eric.auger@redhat.com, peter.maydell@linaro.org,\n\talex.williamson@redhat.com, mst@redhat.com, qemu-arm@nongnu.org,\n\tqemu-devel@nongnu.org, jean-philippe.brucker@arm.com", "Date": "Tue, 19 Sep 2017 09:46:47 +0200", "Message-Id": "<1505807208-9063-16-git-send-email-eric.auger@redhat.com>", "In-Reply-To": "<1505807208-9063-1-git-send-email-eric.auger@redhat.com>", "References": "<1505807208-9063-1-git-send-email-eric.auger@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.28]);\n\tTue, 19 Sep 2017 07:50:21 +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] [RFC v4 15/16] virtio-iommu: Implement\n\tset_page_size_mask", "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": "wei@redhat.com, kevin.tian@intel.com, marc.zyngier@arm.com,\n\ttn@semihalf.com, \n\twill.deacon@arm.com, drjones@redhat.com, peterx@redhat.com,\n\tlinuc.decode@gmail.com, bharat.bhushan@nxp.com,\n\tchristoffer.dall@linaro.org", "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": "We implement the set_page_size_mask callback to allow the\nvirtio-iommu to be aware of any restrictions on the page size\nmask due to an underlying HW IOMMU.\n\nSigned-off-by: Eric Auger <eric.auger@redhat.com>\n---\n hw/virtio/trace-events | 1 +\n hw/virtio/virtio-iommu.c | 16 ++++++++++++++++\n 2 files changed, 17 insertions(+)", "diff": "diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events\nindex 9ccfad1..2793604 100644\n--- a/hw/virtio/trace-events\n+++ b/hw/virtio/trace-events\n@@ -48,3 +48,4 @@ virtio_iommu_unmap_inc_interval(uint64_t low, uint64_t high) \"Unmap inc [0x%\"PRI\n virtio_iommu_translate_out(uint64_t virt_addr, uint64_t phys_addr, uint32_t sid) \"0x%\"PRIx64\" -> 0x%\"PRIx64 \" for sid=%d\"\n virtio_iommu_fill_resv_property(uint32_t devid, uint8_t subtype, uint64_t addr, uint64_t size, uint32_t flags, size_t filled) \"dev= %d, subtype=%d addr=0x%\"PRIx64\" size=0x%\"PRIx64\" flags=%d filled=0x%lx\"\n virtio_iommu_fill_none_property(uint32_t devid) \"devid=%d\"\n+virtio_iommu_set_page_size_mask(const char *iommu_mr, uint64_t mask) \"mr=%s page_size_mask=0x%\"PRIx64\ndiff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c\nindex 281b0f8..1873b9a 100644\n--- a/hw/virtio/virtio-iommu.c\n+++ b/hw/virtio/virtio-iommu.c\n@@ -714,6 +714,21 @@ unlock:\n return entry;\n }\n \n+static void virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr,\n+ uint64_t page_size_mask)\n+{\n+ IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr);\n+ VirtIOIOMMU *s = sdev->viommu;\n+\n+ s->config.page_size_mask &= page_size_mask;\n+ if (!s->config.page_size_mask) {\n+ error_setg(&error_fatal,\n+ \"No compatible page size between guest and host iommus\");\n+ }\n+\n+ trace_virtio_iommu_set_page_size_mask(mr->parent_obj.name, page_size_mask);\n+}\n+\n static void virtio_iommu_get_config(VirtIODevice *vdev, uint8_t *config_data)\n {\n VirtIOIOMMU *dev = VIRTIO_IOMMU(vdev);\n@@ -881,6 +896,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass,\n IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);\n \n imrc->translate = virtio_iommu_translate;\n+ imrc->set_page_size_mask = virtio_iommu_set_page_size_mask;\n }\n \n static const TypeInfo virtio_iommu_info = {\n", "prefixes": [ "RFC", "v4", "15/16" ] }