From nobody Tue Feb 10 02:55:24 2026 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 ARC-Seal: i=1; a=rsa-sha256; t=1563450987; cv=none; d=zoho.com; s=zohoarc; b=RoBfFkTwRqZbJ9i3xUgZsicJC3DnpBgC5DoEozMs9PyChw3Ik6ut3HTrDiCQEgYVFTToWTeLzB/UEutCHj5X8L+6bEl/LZ8Xaf7mvkGH1uM/pIEn4wdPIRFdpHZ2VW9cjnFZ8+d3A6gB6W1bjXX0Es4lLNxxyxENbmFh8CXQg0I= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1563450987; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=yEdTeSEvTmzB8DqrUS4cW3jzzqcKhcI/8vI9k6bErmk=; b=cBZMcm5xqXlsVZrG77ppLfNWs4ZHS8Qt6YBFdhCEiC40prd9KzVMegfscMe30KJSGD1Ob4HJ5Z5WtdODNFHdQ+1RLqtmzZjkvgSU55aWJPvk1BCk5Lf6B8qBOpBeP4NEd0pd5ctx0Z1JSSMayZWPt7QT8RbmFrU3no/sRpPLK5k= ARC-Authentication-Results: i=1; mx.zoho.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 1563450987427322.48496468469205; Thu, 18 Jul 2019 04:56:27 -0700 (PDT) Received: from localhost ([::1]:36814 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ho51N-0000Zb-Rd for importer@patchew.org; Thu, 18 Jul 2019 07:56:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59135) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1ho50X-0006yN-Cp for qemu-devel@nongnu.org; Thu, 18 Jul 2019 07:55:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ho50V-0002DC-Bv for qemu-devel@nongnu.org; Thu, 18 Jul 2019 07:55:33 -0400 Received: from 16.mo5.mail-out.ovh.net ([87.98.174.144]:45689) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ho50V-0002CD-5j for qemu-devel@nongnu.org; Thu, 18 Jul 2019 07:55:31 -0400 Received: from player778.ha.ovh.net (unknown [10.109.143.109]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id 97608240EEA for ; Thu, 18 Jul 2019 13:55:29 +0200 (CEST) Received: from kaod.org (lfbn-1-2240-157.w90-76.abo.wanadoo.fr [90.76.60.157]) (Authenticated sender: clg@kaod.org) by player778.ha.ovh.net (Postfix) with ESMTPSA id 16D1B801F502; Thu, 18 Jul 2019 11:55:24 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Date: Thu, 18 Jul 2019 13:54:13 +0200 Message-Id: <20190718115420.19919-11-clg@kaod.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190718115420.19919-1-clg@kaod.org> References: <20190718115420.19919-1-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 6787206114223426534 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeduvddrieehgdegkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 87.98.174.144 Subject: [Qemu-devel] [PATCH v2 10/17] ppc/xive: Introduce xive_tctx_ipb_update() 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We will use it to resend missed interrupts when a vCPU context is pushed a HW thread. Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive.h | 1 + hw/intc/xive.c | 15 +++++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index 206b23ecfab3..51e3c37b7483 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -418,6 +418,7 @@ uint64_t xive_tctx_tm_read(XiveTCTX *tctx, hwaddr offse= t, unsigned size); =20 void xive_tctx_pic_print_info(XiveTCTX *tctx, Monitor *mon); Object *xive_tctx_create(Object *cpu, XiveRouter *xrtr, Error **errp); +void xive_tctx_ipb_update(XiveTCTX *tctx, uint8_t ring, uint8_t ipb); =20 static inline uint32_t xive_nvt_cam_line(uint8_t nvt_blk, uint32_t nvt_idx) { diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 1b0eccb6df40..be66b1fb3261 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -132,6 +132,15 @@ static void xive_tctx_set_cppr(XiveTCTX *tctx, uint8_t= ring, uint8_t cppr) xive_tctx_notify(tctx, ring); } =20 +void xive_tctx_ipb_update(XiveTCTX *tctx, uint8_t ring, uint8_t ipb) +{ + uint8_t *regs =3D &tctx->regs[ring]; + + regs[TM_IPB] |=3D ipb; + regs[TM_PIPR] =3D ipb_to_pipr(regs[TM_IPB]); + xive_tctx_notify(tctx, ring); +} + static inline uint32_t xive_tctx_word2(uint8_t *ring) { return *((uint32_t *) &ring[TM_WORD2]); @@ -330,8 +339,7 @@ static void xive_tm_set_os_cppr(XiveTCTX *tctx, hwaddr = offset, static void xive_tm_set_os_pending(XiveTCTX *tctx, hwaddr offset, uint64_t value, unsigned size) { - ipb_update(&tctx->regs[TM_QW1_OS], value & 0xff); - xive_tctx_notify(tctx, TM_QW1_OS); + xive_tctx_ipb_update(tctx, TM_QW1_OS, priority_to_ipb(value & 0xff)); } =20 static uint64_t xive_tm_pull_os_ctx(XiveTCTX *tctx, hwaddr offset, @@ -1445,8 +1453,7 @@ static bool xive_presenter_notify(XiveRouter *xrtr, u= int8_t format, found =3D xive_presenter_match(xrtr, format, nvt_blk, nvt_idx, cam_ign= ore, priority, logic_serv, &match); if (found) { - ipb_update(&match.tctx->regs[match.ring], priority); - xive_tctx_notify(match.tctx, match.ring); + xive_tctx_ipb_update(match.tctx, match.ring, priority_to_ipb(prior= ity)); } =20 return found; --=20 2.21.0