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GET /api/patches/812451/?format=api
{ "id": 812451, "url": "http://patchwork.ozlabs.org/api/patches/812451/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-2-clg@kaod.org/", "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": "<20170911171235.29331-2-clg@kaod.org>", "list_archive_url": null, "date": "2017-09-11T17:12:15", "name": "[RFC,v2,01/21] ppc/xive: introduce a skeleton for the sPAPR XIVE interrupt controller", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1310525d4f2ad92f1f25b3f48f2441ca7a713d58", "submitter": { "id": 68548, "url": "http://patchwork.ozlabs.org/api/people/68548/?format=api", "name": "Cédric Le Goater", "email": "clg@kaod.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-2-clg@kaod.org/mbox/", "series": [ { "id": 2526, "url": "http://patchwork.ozlabs.org/api/series/2526/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2526", "date": "2017-09-11T17:12:14", "name": "Guest exploitation of the XIVE interrupt controller (POWER9)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/2526/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/812451/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812451/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>)", "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 3xrZJw57pBz9s83\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 12 Sep 2017 03:13:52 +1000 (AEST)", "from localhost ([::1]:59253 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 1drSHO-0000D6-Kq\n\tfor incoming@patchwork.ozlabs.org; Mon, 11 Sep 2017 13:13:50 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:34584)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSGc-00006f-1S\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:13:07 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSGX-0003jA-Rr\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:13:02 -0400", "from 2.mo2.mail-out.ovh.net ([188.165.53.149]:59556)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <clg@kaod.org>) id 1drSGX-0003ib-IB\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:12:57 -0400", "from player770.ha.ovh.net (b6.ovh.net [213.186.33.56])\n\tby mo2.mail-out.ovh.net (Postfix) with ESMTP id EDECEA4C3C\n\tfor <qemu-devel@nongnu.org>; Mon, 11 Sep 2017 19:12:55 +0200 (CEST)", "from zorba.kaod.org.com (LFbn-1-2231-173.w90-76.abo.wanadoo.fr\n\t[90.76.52.173]) (Authenticated sender: clg@kaod.org)\n\tby player770.ha.ovh.net (Postfix) with ESMTPSA id BD0BE3C006C;\n\tMon, 11 Sep 2017 19:12:48 +0200 (CEST)" ], "From": "=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>", "To": "qemu-ppc@nongnu.org, qemu-devel@nongnu.org,\n\tDavid Gibson <david@gibson.dropbear.id.au>,\n\tBenjamin Herrenschmidt <benh@kernel.crashing.org>,\n\tAlexey Kardashevskiy <aik@ozlabs.ru>, Alexander Graf <agraf@suse.de>", "Date": "Mon, 11 Sep 2017 19:12:15 +0200", "Message-Id": "<20170911171235.29331-2-clg@kaod.org>", "X-Mailer": "git-send-email 2.13.5", "In-Reply-To": "<20170911171235.29331-1-clg@kaod.org>", "References": "<20170911171235.29331-1-clg@kaod.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "X-Ovh-Tracer-Id": "14129762359865412435", "X-VR-SPAMSTATE": "OK", "X-VR-SPAMSCORE": "-100", "X-VR-SPAMCAUSE": "gggruggvucftvghtrhhoucdtuddrfeelledrgedtgdduudehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm", "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": "188.165.53.149", "Subject": "[Qemu-devel] [RFC PATCH v2 01/21] ppc/xive: introduce a skeleton\n\tfor the sPAPR XIVE interrupt controller", "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?C=C3=A9dric_Le_Goater?= <clg@kaod.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": "Start with a couple of attributes for the XIVE sPAPR controller\nmodel. The number of provisionned IRQ is necessary to size the\ndifferent internal XIVE tables, the number of CPUs is also.\n\nSigned-off-by: Cédric Le Goater <clg@kaod.org>\n---\n default-configs/ppc64-softmmu.mak | 1 +\n hw/intc/Makefile.objs | 1 +\n hw/intc/spapr_xive.c | 76 +++++++++++++++++++++++++++++++++++++++\n include/hw/ppc/spapr_xive.h | 37 +++++++++++++++++++\n 4 files changed, 115 insertions(+)\n create mode 100644 hw/intc/spapr_xive.c\n create mode 100644 include/hw/ppc/spapr_xive.h", "diff": "diff --git a/default-configs/ppc64-softmmu.mak b/default-configs/ppc64-softmmu.mak\nindex 46c95993217d..8294df31c0f5 100644\n--- a/default-configs/ppc64-softmmu.mak\n+++ b/default-configs/ppc64-softmmu.mak\n@@ -56,6 +56,7 @@ CONFIG_SM501=y\n CONFIG_XICS=$(CONFIG_PSERIES)\n CONFIG_XICS_SPAPR=$(CONFIG_PSERIES)\n CONFIG_XICS_KVM=$(and $(CONFIG_PSERIES),$(CONFIG_KVM))\n+CONFIG_XIVE_SPAPR=$(CONFIG_PSERIES)\n # For PReP\n CONFIG_SERIAL_ISA=y\n CONFIG_MC146818RTC=y\ndiff --git a/hw/intc/Makefile.objs b/hw/intc/Makefile.objs\nindex 78426a7dafcd..2dae80bdf611 100644\n--- a/hw/intc/Makefile.objs\n+++ b/hw/intc/Makefile.objs\n@@ -35,6 +35,7 @@ obj-$(CONFIG_SH4) += sh_intc.o\n obj-$(CONFIG_XICS) += xics.o\n obj-$(CONFIG_XICS_SPAPR) += xics_spapr.o\n obj-$(CONFIG_XICS_KVM) += xics_kvm.o\n+obj-$(CONFIG_XIVE_SPAPR) += spapr_xive.o\n obj-$(CONFIG_POWERNV) += xics_pnv.o\n obj-$(CONFIG_ALLWINNER_A10_PIC) += allwinner-a10-pic.o\n obj-$(CONFIG_S390_FLIC) += s390_flic.o\ndiff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c\nnew file mode 100644\nindex 000000000000..c83796519586\n--- /dev/null\n+++ b/hw/intc/spapr_xive.c\n@@ -0,0 +1,76 @@\n+/*\n+ * QEMU PowerPC sPAPR XIVE model\n+ *\n+ * Copyright (c) 2017, IBM Corporation.\n+ *\n+ * This program is free software; you can redistribute it and/or modify\n+ * it under the terms of the GNU General Public License, version 2, as\n+ * published by the Free Software Foundation.\n+ *\n+ * This program is distributed in the hope that it will be useful,\n+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\n+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n+ * GNU General Public License for more details.\n+ *\n+ * You should have received a copy of the GNU General Public License\n+ * along with this program; if not, see <http://www.gnu.org/licenses/>.\n+ */\n+#include \"qemu/osdep.h\"\n+#include \"qemu/log.h\"\n+#include \"qapi/error.h\"\n+#include \"target/ppc/cpu.h\"\n+#include \"sysemu/cpus.h\"\n+#include \"sysemu/dma.h\"\n+#include \"monitor/monitor.h\"\n+#include \"hw/ppc/xics.h\"\n+#include \"hw/ppc/spapr_xive.h\"\n+\n+\n+/*\n+ * Main XIVE object\n+ */\n+\n+static void spapr_xive_realize(DeviceState *dev, Error **errp)\n+{\n+ sPAPRXive *xive = SPAPR_XIVE(dev);\n+\n+ if (!xive->nr_targets) {\n+ error_setg(errp, \"Number of interrupt targets needs to be greater 0\");\n+ return;\n+ }\n+\n+ /* We need to be able to allocate at least the IPIs */\n+ if (!xive->nr_irqs || xive->nr_irqs < xive->nr_targets) {\n+ error_setg(errp, \"Number of interrupts too small\");\n+ return;\n+ }\n+}\n+\n+static Property spapr_xive_properties[] = {\n+ DEFINE_PROP_UINT32(\"nr-irqs\", sPAPRXive, nr_irqs, 0),\n+ DEFINE_PROP_UINT32(\"nr-targets\", sPAPRXive, nr_targets, 0),\n+ DEFINE_PROP_END_OF_LIST(),\n+};\n+\n+static void spapr_xive_class_init(ObjectClass *klass, void *data)\n+{\n+ DeviceClass *dc = DEVICE_CLASS(klass);\n+\n+ dc->realize = spapr_xive_realize;\n+ dc->props = spapr_xive_properties;\n+ dc->desc = \"sPAPR XIVE interrupt controller\";\n+}\n+\n+static const TypeInfo spapr_xive_info = {\n+ .name = TYPE_SPAPR_XIVE,\n+ .parent = TYPE_SYS_BUS_DEVICE,\n+ .instance_size = sizeof(sPAPRXive),\n+ .class_init = spapr_xive_class_init,\n+};\n+\n+static void spapr_xive_register_types(void)\n+{\n+ type_register_static(&spapr_xive_info);\n+}\n+\n+type_init(spapr_xive_register_types)\ndiff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h\nnew file mode 100644\nindex 000000000000..5b99f7fc2b81\n--- /dev/null\n+++ b/include/hw/ppc/spapr_xive.h\n@@ -0,0 +1,37 @@\n+/*\n+ * QEMU PowerPC sPAPR XIVE model\n+ *\n+ * Copyright (c) 2017, IBM Corporation.\n+ *\n+ * This program is free software; you can redistribute it and/or modify\n+ * it under the terms of the GNU General Public License, version 2, as\n+ * published by the Free Software Foundation.\n+ *\n+ * This program is distributed in the hope that it will be useful,\n+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\n+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n+ * GNU General Public License for more details.\n+ *\n+ * You should have received a copy of the GNU General Public License\n+ * along with this program; if not, see <http://www.gnu.org/licenses/>.\n+ */\n+\n+#ifndef PPC_SPAPR_XIVE_H\n+#define PPC_SPAPR_XIVE_H\n+\n+#include <hw/sysbus.h>\n+\n+typedef struct sPAPRXive sPAPRXive;\n+\n+#define TYPE_SPAPR_XIVE \"spapr-xive\"\n+#define SPAPR_XIVE(obj) OBJECT_CHECK(sPAPRXive, (obj), TYPE_SPAPR_XIVE)\n+\n+struct sPAPRXive {\n+ SysBusDevice parent;\n+\n+ /* Properties */\n+ uint32_t nr_targets;\n+ uint32_t nr_irqs;\n+};\n+\n+#endif /* PPC_SPAPR_XIVE_H */\n", "prefixes": [ "RFC", "v2", "01/21" ] }