From nobody Sun Nov 24 16:57:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1722544386; cv=none; d=zohomail.com; s=zohoarc; b=T+6R42i4njcwd5ItlrJiEbQr2wxDwG0U45Gnsf1OpIIT+DRVTpO448YXaRNLkUXbJ0F422mixIdOGgoBEJpfVUe1PQ8Q3IFLwN1+pwiU5ut7FtGSuiOrIfma9aUd1ZFVOtWsoLq+nLr8nNfksJ1DbOkG2MbTOZdC16ERO4kuQXQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1722544386; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=PL1rElm9TJqbVs745ODuzk6Z/UHFAyr57R56n4iNMus=; b=VuJOgBMctci1EnK/YsUQqL1N6gp1HgqAZApqZfehP+Kne3FxO36fgbdcJflT7xmqxb17vFEbV8t4a7T4v2mBBLbPDhTKWz61XXrCqIGqhCr20YF8+faC4K0/a/lTPY1cSbnC3pfulLWWx7Hskym+uekO/c69dWHl9WL/WONWwDs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1722544386560470.43925369627334; Thu, 1 Aug 2024 13:33:06 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sZcRx-0004Xs-1D; Thu, 01 Aug 2024 16:31:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sZcRm-0003sE-MP; Thu, 01 Aug 2024 16:30:50 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sZcRk-0007Og-61; Thu, 01 Aug 2024 16:30:50 -0400 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 471JwpAi019741; Thu, 1 Aug 2024 20:30:44 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 40rh0501tv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2024 20:30:43 +0000 (GMT) Received: from m0360072.ppops.net (m0360072.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 471KUhLg008660; Thu, 1 Aug 2024 20:30:43 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 40rh0501tt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2024 20:30:43 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 471Jdsg1011151; Thu, 1 Aug 2024 20:30:42 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 40ncqn3pdh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2024 20:30:42 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 471KUa0X52429142 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 1 Aug 2024 20:30:38 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 814BF20040; Thu, 1 Aug 2024 20:30:36 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 57DF22004B; Thu, 1 Aug 2024 20:30:35 +0000 (GMT) Received: from gfwr518.rchland.ibm.com (unknown [9.10.239.106]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 1 Aug 2024 20:30:35 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=pp1; bh=PL1rElm9TJqbV s745ODuzk6Z/UHFAyr57R56n4iNMus=; b=inzLmVjB98PLkF+iWKgQgbAIm0K2X S4X2zP4ZM05mave9zlXOJ/4CH2kdTomTKMxum11bsoW9EpBYIGLPoYDjH6zy/cpZ TSJxaX8P6kI31sP9/JcKZ9UZvR1QS94dsEEmN8lKXHTfwOLErA4wfONe8rjeGQia XogARp1XZilc+0/up7aiZlbECh8hEEW68D0DJn2/hEail/nuB7wnPTc6/jxaH87A EqEytNIAjXiNRu7ot5Y8ToTj/pvSAeGszgpzWfisCNPuh2jWulu/0pdXAb+ZERTq EyAaOiJg/c3bP+QrKMZr0gsHvbykSjBbpOtJ6yvIceKMbhEhuIDVEKmdQ== From: Michael Kowal To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, clg@kaod.org, fbarrat@linux.ibm.com, npiggin@gmail.com, milesg@linux.ibm.com Subject: [PATCH 12/13] pnv/xive2: TIMA support for 8-byte OS context push for PHYP Date: Thu, 1 Aug 2024 15:30:07 -0500 Message-Id: <20240801203008.11224-13-kowal@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240801203008.11224-1-kowal@linux.ibm.com> References: <20240801203008.11224-1-kowal@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: WEplU-KQNfXIMT_PNbqaSCnyQc88QXhm X-Proofpoint-GUID: 31URnERD22lQZwviV9eAbi49Vd6suLlh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-01_18,2024-08-01_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 spamscore=0 phishscore=0 mlxlogscore=931 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408010135 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=kowal@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1722544388228116600 Content-Type: text/plain; charset="utf-8" From: Glenn Miles PHYP uses 8-byte writes to the 2nd doubleword of the OS context line when dispatching an OS level virtual processor. This support was not used by OPAL/Linux and so was never added. Without this support, the XIVE code doesn't notice that a new context is being pushed and fails to check for unpresented pending interrupts for that context. Signed-off-by: Glenn Miles Signed-off-by: Michael Kowal Reviewed-by: C=C3=A9dric Le Goater --- hw/intc/xive.c | 2 ++ hw/intc/xive2.c | 24 +++++++++++++++++++----- 2 files changed, 21 insertions(+), 5 deletions(-) diff --git a/hw/intc/xive.c b/hw/intc/xive.c index d951aac3a0..99c8bea598 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -596,6 +596,8 @@ static const XiveTmOp xive2_tm_operations[] =3D { NULL }, { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2, 4, xive2_tm_push_os_ctx, NULL }, + { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2, 8, xive2_tm_push_os_ctx, + NULL }, { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_LGS, 1, xive_tm_set_os_lgs, NULL }, { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR, 1, xive_tm_set_hv_cppr, diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c index af9699ec88..76f2f36973 100644 --- a/hw/intc/xive2.c +++ b/hw/intc/xive2.c @@ -612,17 +612,31 @@ static void xive2_tctx_need_resend(Xive2Router *xrtr,= XiveTCTX *tctx, void xive2_tm_push_os_ctx(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, uint64_t value, unsigned size) { - uint32_t cam =3D value; - uint32_t qw1w2 =3D cpu_to_be32(cam); + uint32_t cam; + uint32_t qw1w2; + uint64_t qw1dw1; uint8_t nvp_blk; uint32_t nvp_idx; bool vo; bool do_restore; =20 - xive2_cam_decode(cam, &nvp_blk, &nvp_idx, &vo, &do_restore); - /* First update the thead context */ - memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &qw1w2, 4); + switch (size) { + case 4: + cam =3D value; + qw1w2 =3D cpu_to_be32(cam); + memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &qw1w2, 4); + break; + case 8: + cam =3D value >> 32; + qw1dw1 =3D cpu_to_be64(value); + memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &qw1dw1, 8); + break; + default: + g_assert_not_reached(); + } + + xive2_cam_decode(cam, &nvp_blk, &nvp_idx, &vo, &do_restore); =20 /* Check the interrupt pending bits */ if (vo) { --=20 2.43.0