From nobody Sun Nov 9 22:26:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1551862845692416.9470111006807; Wed, 6 Mar 2019 01:00:45 -0800 (PST) Received: from localhost ([127.0.0.1]:56624 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h1SPq-000550-Kh for importer@patchew.org; Wed, 06 Mar 2019 04:00:42 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55145) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h1SGq-0006GP-RZ for qemu-devel@nongnu.org; Wed, 06 Mar 2019 03:51:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h1SGo-0001lw-T1 for qemu-devel@nongnu.org; Wed, 06 Mar 2019 03:51:24 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:45872) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h1SGk-0001DZ-KF for qemu-devel@nongnu.org; Wed, 06 Mar 2019 03:51:21 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x268mbwO046197 for ; Wed, 6 Mar 2019 03:50:50 -0500 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2r29u4c1k1-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 06 Mar 2019 03:50:49 -0500 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 6 Mar 2019 08:50:44 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x268ohmZ16056394 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 6 Mar 2019 08:50:43 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A76194C04E; Wed, 6 Mar 2019 08:50:43 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 94C994C040; Wed, 6 Mar 2019 08:50:43 +0000 (GMT) Received: from smtp.lab.toulouse-stg.fr.ibm.com (unknown [9.101.4.1]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 6 Mar 2019 08:50:43 +0000 (GMT) Received: from zorba.kaod.org.com (sig-9-145-0-135.uk.ibm.com [9.145.0.135]) by smtp.lab.toulouse-stg.fr.ibm.com (Postfix) with ESMTP id 18356220221; Wed, 6 Mar 2019 09:50:43 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Date: Wed, 6 Mar 2019 09:50:08 +0100 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190306085032.15744-1-clg@kaod.org> References: <20190306085032.15744-1-clg@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19030608-0012-0000-0000-000002FF23D6 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19030608-0013-0000-0000-000021362D99 Message-Id: <20190306085032.15744-4-clg@kaod.org> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-06_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=885 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903060061 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-001b2d01.pphosted.com id x268mbwO046197 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH 03/27] ppc/xive: export the TIMA memory accessors X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" The PowerNV machine can perform indirect loads and stores on the TIMA on behalf of another CPU. Give the controller the possibility to call the TIMA memory accessors with a XiveTCTX of its choice. Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive.h | 3 +++ hw/intc/xive.c | 23 ++++++++++++++++++----- 2 files changed, 21 insertions(+), 5 deletions(-) diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index 13a487527b11..7dd80e0f46ef 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -410,6 +410,9 @@ void xive_end_queue_pic_print_info(XiveEND *end, uint32= _t width, Monitor *mon); #define XIVE_TM_USER_PAGE 0x3 =20 extern const MemoryRegionOps xive_tm_ops; +void xive_tctx_tm_write(XiveTCTX *tctx, hwaddr offset, uint64_t value, + unsigned size); +uint64_t xive_tctx_tm_read(XiveTCTX *tctx, hwaddr offset, unsigned size); =20 void xive_tctx_pic_print_info(XiveTCTX *tctx, Monitor *mon); Object *xive_tctx_create(Object *cpu, XiveRouter *xrtr, Error **errp); diff --git a/hw/intc/xive.c b/hw/intc/xive.c index b21759c93856..3d7de864e93f 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -317,10 +317,9 @@ static const XiveTmOp *xive_tm_find_op(hwaddr offset, = unsigned size, bool write) /* * TIMA MMIO handlers */ -static void xive_tm_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) +void xive_tctx_tm_write(XiveTCTX *tctx, hwaddr offset, uint64_t value, + unsigned size) { - XiveTCTX *tctx =3D xive_router_get_tctx(XIVE_ROUTER(opaque), current_c= pu); const XiveTmOp *xto; =20 /* @@ -356,9 +355,8 @@ static void xive_tm_write(void *opaque, hwaddr offset, xive_tm_raw_write(tctx, offset, value, size); } =20 -static uint64_t xive_tm_read(void *opaque, hwaddr offset, unsigned size) +uint64_t xive_tctx_tm_read(XiveTCTX *tctx, hwaddr offset, unsigned size) { - XiveTCTX *tctx =3D xive_router_get_tctx(XIVE_ROUTER(opaque), current_c= pu); const XiveTmOp *xto; =20 /* @@ -392,6 +390,21 @@ static uint64_t xive_tm_read(void *opaque, hwaddr offs= et, unsigned size) return xive_tm_raw_read(tctx, offset, size); } =20 +static void xive_tm_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + XiveTCTX *tctx =3D xive_router_get_tctx(XIVE_ROUTER(opaque), current_c= pu); + + xive_tctx_tm_write(tctx, offset, value, size); +} + +static uint64_t xive_tm_read(void *opaque, hwaddr offset, unsigned size) +{ + XiveTCTX *tctx =3D xive_router_get_tctx(XIVE_ROUTER(opaque), current_c= pu); + + return xive_tctx_tm_read(tctx, offset, size); +} + const MemoryRegionOps xive_tm_ops =3D { .read =3D xive_tm_read, .write =3D xive_tm_write, --=20 2.20.1