From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1343C432C0 for ; Mon, 25 Nov 2019 07:02:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A6CE820748 for ; Mon, 25 Nov 2019 07:02:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6CE820748 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40754 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZ8OC-0004LM-IF for qemu-devel@archiver.kernel.org; Mon, 25 Nov 2019 02:02:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41455) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZ8Ke-0001uj-F2 for qemu-devel@nongnu.org; Mon, 25 Nov 2019 01:58:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iZ8Kb-00019m-S7 for qemu-devel@nongnu.org; Mon, 25 Nov 2019 01:58:48 -0500 Received: from 18.mo3.mail-out.ovh.net ([87.98.172.162]:52996) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iZ8Kb-00018i-Ge for qemu-devel@nongnu.org; Mon, 25 Nov 2019 01:58:45 -0500 Received: from player697.ha.ovh.net (unknown [10.109.146.137]) by mo3.mail-out.ovh.net (Postfix) with ESMTP id 05080233542 for ; Mon, 25 Nov 2019 07:58:44 +0100 (CET) Received: from kaod.org (lfbn-1-2229-223.w90-76.abo.wanadoo.fr [90.76.50.223]) (Authenticated sender: clg@kaod.org) by player697.ha.ovh.net (Postfix) with ESMTPSA id 89C62C809435; Mon, 25 Nov 2019 06:58:38 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Subject: [PATCH v6 02/20] ppc/xive: Implement the XivePresenter interface Date: Mon, 25 Nov 2019 07:58:02 +0100 Message-Id: <20191125065820.927-3-clg@kaod.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191125065820.927-1-clg@kaod.org> References: <20191125065820.927-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Ovh-Tracer-Id: 8908964491588832230 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrudeitddggeduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdqfffguegfifdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufffkffojghfgggtgfesthekredtredtjeenucfhrhhomhepveorughrihgtucfnvgcuifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucfkpheptddrtddrtddrtddpledtrdejiedrhedtrddvvdefnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehplhgrhigvrheileejrdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheptghlgheskhgrohgurdhorhhgpdhrtghpthhtohepqhgvmhhuqdguvghvvghlsehnohhnghhnuhdrohhrghenucevlhhushhtvghrufhiiigvpedu Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 87.98.172.162 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , qemu-ppc@nongnu.org, Greg Kurz , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Each XIVE Router model, sPAPR and PowerNV, now implements the 'match_nvt' handler of the XivePresenter QOM interface. This is simply moving code and taking into account the new API. To be noted that the xive_router_get_tctx() helper is not used anymore when doing CAM matching and will be removed later on after other changes. The XIVE presenter model is still too simple for the PowerNV machine and the CAM matching algo is not correct on multichip system. Subsequent patches will introduce more changes to scan all chips of the system. Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Greg Kurz Signed-off-by: C=C3=A9dric Le Goater --- hw/intc/pnv_xive.c | 41 +++++++++++++++++++++++++++++++++++ hw/intc/spapr_xive.c | 49 ++++++++++++++++++++++++++++++++++++++++++ hw/intc/xive.c | 51 ++++++-------------------------------------- 3 files changed, 97 insertions(+), 44 deletions(-) diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index 9a771f640763..8055de89cf63 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -372,6 +372,45 @@ static int pnv_xive_get_eas(XiveRouter *xrtr, uint8_= t blk, uint32_t idx, return pnv_xive_vst_read(xive, VST_TSEL_IVT, blk, idx, eas); } =20 +static int pnv_xive_match_nvt(XivePresenter *xptr, uint8_t format, + uint8_t nvt_blk, uint32_t nvt_idx, + bool cam_ignore, uint8_t priority, + uint32_t logic_serv, XiveTCTXMatch *match) +{ + CPUState *cs; + int count =3D 0; + + CPU_FOREACH(cs) { + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + XiveTCTX *tctx =3D XIVE_TCTX(pnv_cpu_state(cpu)->intc); + int ring; + + /* + * Check the thread context CAM lines and record matches. + */ + ring =3D xive_presenter_tctx_match(xptr, tctx, format, nvt_blk, = nvt_idx, + cam_ignore, logic_serv); + /* + * Save the context and follow on to catch duplicates, that we + * don't support yet. + */ + if (ring !=3D -1) { + if (match->tctx) { + qemu_log_mask(LOG_GUEST_ERROR, "XIVE: already found a " + "thread context NVT %x/%x\n", + nvt_blk, nvt_idx); + return -1; + } + + match->ring =3D ring; + match->tctx =3D tctx; + count++; + } + } + + return count; +} + static XiveTCTX *pnv_xive_get_tctx(XiveRouter *xrtr, CPUState *cs) { PowerPCCPU *cpu =3D POWERPC_CPU(cs); @@ -1780,6 +1819,7 @@ static void pnv_xive_class_init(ObjectClass *klass,= void *data) PnvXScomInterfaceClass *xdc =3D PNV_XSCOM_INTERFACE_CLASS(klass); XiveRouterClass *xrc =3D XIVE_ROUTER_CLASS(klass); XiveNotifierClass *xnc =3D XIVE_NOTIFIER_CLASS(klass); + XivePresenterClass *xpc =3D XIVE_PRESENTER_CLASS(klass); =20 xdc->dt_xscom =3D pnv_xive_dt_xscom; =20 @@ -1795,6 +1835,7 @@ static void pnv_xive_class_init(ObjectClass *klass,= void *data) xrc->get_tctx =3D pnv_xive_get_tctx; =20 xnc->notify =3D pnv_xive_notify; + xpc->match_nvt =3D pnv_xive_match_nvt; }; =20 static const TypeInfo pnv_xive_info =3D { diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 729246e906c9..bb3b2dfdb77f 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -405,6 +405,52 @@ static XiveTCTX *spapr_xive_get_tctx(XiveRouter *xrt= r, CPUState *cs) return spapr_cpu_state(cpu)->tctx; } =20 +static int spapr_xive_match_nvt(XivePresenter *xptr, uint8_t format, + uint8_t nvt_blk, uint32_t nvt_idx, + bool cam_ignore, uint8_t priority, + uint32_t logic_serv, XiveTCTXMatch *matc= h) +{ + CPUState *cs; + int count =3D 0; + + CPU_FOREACH(cs) { + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + XiveTCTX *tctx =3D spapr_cpu_state(cpu)->tctx; + int ring; + + /* + * Skip partially initialized vCPUs. This can happen when + * vCPUs are hotplugged. + */ + if (!tctx) { + continue; + } + + /* + * Check the thread context CAM lines and record matches. + */ + ring =3D xive_presenter_tctx_match(xptr, tctx, format, nvt_blk, = nvt_idx, + cam_ignore, logic_serv); + /* + * Save the matching thread interrupt context and follow on to + * check for duplicates which are invalid. + */ + if (ring !=3D -1) { + if (match->tctx) { + qemu_log_mask(LOG_GUEST_ERROR, "XIVE: already found a th= read " + "context NVT %x/%x\n", nvt_blk, nvt_idx); + return -1; + } + + match->ring =3D ring; + match->tctx =3D tctx; + count++; + } + } + + return count; +} + static const VMStateDescription vmstate_spapr_xive_end =3D { .name =3D TYPE_SPAPR_XIVE "/end", .version_id =3D 1, @@ -684,6 +730,7 @@ static void spapr_xive_class_init(ObjectClass *klass,= void *data) DeviceClass *dc =3D DEVICE_CLASS(klass); XiveRouterClass *xrc =3D XIVE_ROUTER_CLASS(klass); SpaprInterruptControllerClass *sicc =3D SPAPR_INTC_CLASS(klass); + XivePresenterClass *xpc =3D XIVE_PRESENTER_CLASS(klass); =20 dc->desc =3D "sPAPR XIVE Interrupt Controller"; dc->props =3D spapr_xive_properties; @@ -708,6 +755,8 @@ static void spapr_xive_class_init(ObjectClass *klass,= void *data) sicc->print_info =3D spapr_xive_print_info; sicc->dt =3D spapr_xive_dt; sicc->post_load =3D spapr_xive_post_load; + + xpc->match_nvt =3D spapr_xive_match_nvt; } =20 static const TypeInfo spapr_xive_info =3D { diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 344bb3f3bc4b..da6196ca958f 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -1428,51 +1428,14 @@ static bool xive_presenter_match(XiveRouter *xrtr= , uint8_t format, bool cam_ignore, uint8_t priority, uint32_t logic_serv, XiveTCTXMatch *mat= ch) { - CPUState *cs; + XivePresenter *xptr =3D XIVE_PRESENTER(xrtr); + XivePresenterClass *xpc =3D XIVE_PRESENTER_GET_CLASS(xptr); + int count; =20 - /* - * TODO (PowerNV): handle chip_id overwrite of block field for - * hardwired CAM compares - */ - - CPU_FOREACH(cs) { - XiveTCTX *tctx =3D xive_router_get_tctx(xrtr, cs); - int ring; - - /* - * Skip partially initialized vCPUs. This can happen when - * vCPUs are hotplugged. - */ - if (!tctx) { - continue; - } - - /* - * HW checks that the CPU is enabled in the Physical Thread - * Enable Register (PTER). - */ - - /* - * Check the thread context CAM lines and record matches. We - * will handle CPU exception delivery later - */ - ring =3D xive_presenter_tctx_match(XIVE_PRESENTER(xrtr), tctx, f= ormat, - nvt_blk, nvt_idx, - cam_ignore, logic_serv); - /* - * Save the context and follow on to catch duplicates, that we - * don't support yet. - */ - if (ring !=3D -1) { - if (match->tctx) { - qemu_log_mask(LOG_GUEST_ERROR, "XIVE: already found a th= read " - "context NVT %x/%x\n", nvt_blk, nvt_idx); - return false; - } - - match->ring =3D ring; - match->tctx =3D tctx; - } + count =3D xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, + priority, logic_serv, match); + if (count < 0) { + return false; } =20 if (!match->tctx) { --=20 2.21.0