{"id":812471,"url":"http://patchwork.ozlabs.org/api/patches/812471/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-15-clg@kaod.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","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":"<20170911171235.29331-15-clg@kaod.org>","list_archive_url":null,"date":"2017-09-11T17:12:28","name":"[RFC,v2,14/21] ppc/xive: add support for the SET_OS_PENDING command","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"316d0306c6db4b012cad3b09009f42330d40b5a3","submitter":{"id":68548,"url":"http://patchwork.ozlabs.org/api/people/68548/?format=json","name":"Cédric Le Goater","email":"clg@kaod.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-15-clg@kaod.org/mbox/","series":[{"id":2526,"url":"http://patchwork.ozlabs.org/api/series/2526/?format=json","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/812471/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/812471/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=)","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 3xrZYY6DJkz9s81\n\tfor ;\n\tTue, 12 Sep 2017 03:24:49 +1000 (AEST)","from localhost ([::1]:59327 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1drSRz-0001bj-Qe\n\tfor incoming@patchwork.ozlabs.org; Mon, 11 Sep 2017 13:24:47 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:35545)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1drSI7-0001eK-AN\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:36 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1drSI2-0004eM-R1\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:35 -0400","from 3.mo2.mail-out.ovh.net ([46.105.58.226]:57314)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from ) id 1drSI2-0004di-KB\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:30 -0400","from player770.ha.ovh.net (b6.ovh.net [213.186.33.56])\n\tby mo2.mail-out.ovh.net (Postfix) with ESMTP id A79E4AB236\n\tfor ; Mon, 11 Sep 2017 19:14:29 +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 7A2F93C006C;\n\tMon, 11 Sep 2017 19:14:22 +0200 (CEST)"],"From":"=?utf-8?q?C=C3=A9dric_Le_Goater?= ","To":"qemu-ppc@nongnu.org, qemu-devel@nongnu.org,\n\tDavid Gibson ,\n\tBenjamin Herrenschmidt ,\n\tAlexey Kardashevskiy , Alexander Graf ","Date":"Mon, 11 Sep 2017 19:12:28 +0200","Message-Id":"<20170911171235.29331-15-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":"14156221004876188499","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":"46.105.58.226","Subject":"[Qemu-devel] [RFC PATCH v2 14/21] ppc/xive: add support for the\n\tSET_OS_PENDING command","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"=?utf-8?q?C=C3=A9dric_Le_Goater?= ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Adjusting the Interrupt Pending Buffer for the O/S would allow a CPU\nto process event queues of other priorities during one physical\ninterrupt cycle. This is not currently used by the XIVE support for\nsPAPR in Linux but it is by the hypervisor.\n\nSigned-off-by: Cédric Le Goater \n---\n hw/intc/spapr_xive.c | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)","diff":"diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c\nindex ad3ff91b13ea..ad3f03e37401 100644\n--- a/hw/intc/spapr_xive.c\n+++ b/hw/intc/spapr_xive.c\n@@ -162,7 +162,14 @@ static bool spapr_xive_tm_is_readonly(uint8_t index)\n static void spapr_xive_tm_write_special(ICPState *icp, hwaddr offset,\n uint64_t value, unsigned size)\n {\n- /* TODO: support TM_SPC_SET_OS_PENDING */\n+ if (offset == TM_SPC_SET_OS_PENDING && size == 1) {\n+ icp->tima_os[TM_IPB] |= priority_to_ipb(value & 0xff);\n+ icp->tima_os[TM_PIPR] = ipb_to_pipr(icp->tima_os[TM_IPB]);\n+ spapr_xive_icp_notify(icp);\n+ } else {\n+ qemu_log_mask(LOG_GUEST_ERROR, \"XIVE: invalid TIMA write @%\"\n+ HWADDR_PRIx\" size %d\\n\", offset, size);\n+ }\n \n /* TODO: support TM_SPC_ACK_OS_EL */\n }\n","prefixes":["RFC","v2","14/21"]}