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{ "id": 815481, "url": "http://patchwork.ozlabs.org/api/covers/815481/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170919115814.14724-1-marcandre.lureau@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": "<20170919115814.14724-1-marcandre.lureau@redhat.com>", "list_archive_url": null, "date": "2017-09-19T11:58:10", "name": "[v2,0/4] fw_cfg: add DMA operations & etc/vmcoreinfo support", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170919115814.14724-1-marcandre.lureau@redhat.com/mbox/", "series": [ { "id": 3856, "url": "http://patchwork.ozlabs.org/api/series/3856/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3856", "date": "2017-09-19T11:58:10", "name": "fw_cfg: add DMA operations & etc/vmcoreinfo support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/3856/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/815481/comments/", "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-mx09.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx09.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=marcandre.lureau@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 3xxLxr14Byz9s4q\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 19 Sep 2017 21:58:56 +1000 (AEST)", "from localhost ([::1]:41992 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 1duHB0-0007KG-9P\n\tfor incoming@patchwork.ozlabs.org; Tue, 19 Sep 2017 07:58:54 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:40555)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duHAY-0007Iy-DX\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 07:58:27 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <marcandre.lureau@redhat.com>) id 1duHAV-0001uG-Cl\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 07:58:26 -0400", "from mx1.redhat.com ([209.132.183.28]:47104)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <marcandre.lureau@redhat.com>)\n\tid 1duHAV-0001t1-6e\n\tfor qemu-devel@nongnu.org; Tue, 19 Sep 2017 07:58:23 -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 466244E4C6;\n\tTue, 19 Sep 2017 11:58:21 +0000 (UTC)", "from localhost (ovpn-112-56.ams2.redhat.com [10.36.112.56])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 99F031964D;\n\tTue, 19 Sep 2017 11:58:15 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 466244E4C6", "From": "marcandre.lureau@redhat.com", "To": "linux-kernel@vger.kernel.org", "Date": "Tue, 19 Sep 2017 13:58:10 +0200", "Message-Id": "<20170919115814.14724-1-marcandre.lureau@redhat.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "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 [10.5.110.38]);\n\tTue, 19 Sep 2017 11:58:21 +0000 (UTC)", "Content-Transfer-Encoding": "quoted-printable", "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 v2 0/4] fw_cfg: add DMA operations &\n\tetc/vmcoreinfo support", "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": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n\tsomlo@cmu.edu, qemu-devel@nongnu.org, mst@redhat.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": "From: Marc-André Lureau <marcandre.lureau@redhat.com>\n\nHi,\n\nThis series brings DMA operations support to the fw_cfg kernel module\nand provide \"etc/vmcoreinfo\" support.\n\nAt the current iteration of \"[Qemu-devel] [PATCH v6 0/7] KASLR kernel\ndump support\" patch series, a \"etc/vmcoreinfo\" entry is added with\nqemu -device vmcoreinfo, where the guest during boot or later, can\nwrite the addr/size location of a ELF note to be appended in the qemu\ndump.\n\nv2:\n- use platform device for dma mapping\n- add etc/vmcoreinfo patch\n- some code cleanups\n\nMarc-André Lureau (4):\n fw_cfg: add DMA register\n fw_cfg: do DMA read operation\n fw_cfg: write vmcoreinfo details\n RFC: fw_cfg: add DMA write operation in sysfs\n\n drivers/firmware/qemu_fw_cfg.c | 284 ++++++++++++++++++++++++++++++++++++-----\n 1 file changed, 254 insertions(+), 30 deletions(-)" }