From nobody Tue Feb 10 03:40:31 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1630589250827796.8029512739878; Thu, 2 Sep 2021 06:27:30 -0700 (PDT) Received: from localhost ([::1]:47164 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mLmkb-0006VN-HS for importer@patchew.org; Thu, 02 Sep 2021 09:27:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42496) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mLmTR-0005zW-0e for qemu-devel@nongnu.org; Thu, 02 Sep 2021 09:09:45 -0400 Received: from 5.mo52.mail-out.ovh.net ([188.165.45.220]:53405) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mLmTL-0001xe-QY for qemu-devel@nongnu.org; Thu, 02 Sep 2021 09:09:44 -0400 Received: from mxplan5.mail.ovh.net (unknown [10.109.156.48]) by mo52.mail-out.ovh.net (Postfix) with ESMTPS id 2A109295E7D; Thu, 2 Sep 2021 15:09:38 +0200 (CEST) Received: from kaod.org (37.59.142.101) by DAG4EX1.mxp5.local (172.16.2.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Thu, 2 Sep 2021 15:09:35 +0200 Authentication-Results: garm.ovh; auth=pass (GARM-101G0048c719ff5-afb2-4b4f-a74f-e5f81a7b7081, 0F69C8711EE098B745CC44F7BEC1CAFBB1DDDEDC) smtp.auth=clg@kaod.org X-OVh-ClientIp: 82.64.250.170 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson , Greg Kurz Subject: [PATCH v2 11/20] ppc/xive2: Add support for notification injection on ESB pages Date: Thu, 2 Sep 2021 15:09:19 +0200 Message-ID: <20210902130928.528803-12-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210902130928.528803-1-clg@kaod.org> References: <20210902130928.528803-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.101] X-ClientProxiedBy: DAG5EX1.mxp5.local (172.16.2.41) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: 65341003-1cc7-40d3-8903-9ccb1f97d701 X-Ovh-Tracer-Id: 14776028906517269411 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvtddruddvhedgieduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufffkffojghfgggtgfhisehtkeertdertdejnecuhfhrohhmpeevrogurhhitgcunfgvucfiohgrthgvrhcuoegtlhhgsehkrghougdrohhrgheqnecuggftrfgrthhtvghrnhepheehfeegjeeitdfffeetjeduveejueefuefgtdefueelueetveeliefhhffgtdelnecukfhppedtrddtrddtrddtpdefjedrheelrddugedvrddutddunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhpqdhouhhtpdhhvghlohepmhigphhlrghnhedrmhgrihhlrdhovhhhrdhnvghtpdhinhgvtheptddrtddrtddrtddpmhgrihhlfhhrohhmpegtlhhgsehkrghougdrohhrghdprhgtphhtthhopegtlhhgsehkrghougdrohhrgh 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=188.165.45.220; envelope-from=clg@kaod.org; helo=5.mo52.mail-out.ovh.net X-Spam_score_int: 7 X-Spam_score: 0.7 X-Spam_bar: / X-Spam_report: (0.7 / 5.0 requ) RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action 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: 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" X-ZM-MESSAGEID: 1630589253248100001 This is an internal offset used to inject triggers when the PQ state bits are not controlled locally. Such as for LSIs when the PHB5 are using the Address-Based Interrupt Trigger mode and on the END. Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive.h | 1 + hw/intc/xive.c | 9 +++++++++ hw/intc/xive2.c | 10 ++++++++++ 3 files changed, 20 insertions(+) diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index 252c58a1d691..c270efd0e9a2 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -278,6 +278,7 @@ uint8_t xive_esb_set(uint8_t *pq, uint8_t value); #define XIVE_ESB_STORE_EOI 0x400 /* Store */ #define XIVE_ESB_LOAD_EOI 0x000 /* Load */ #define XIVE_ESB_GET 0x800 /* Load */ +#define XIVE_ESB_INJECT 0x800 /* Store */ #define XIVE_ESB_SET_PQ_00 0xc00 /* Load */ #define XIVE_ESB_SET_PQ_01 0xd00 /* Load */ #define XIVE_ESB_SET_PQ_10 0xe00 /* Load */ diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 6c82326ec768..0a9149284dad 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -1061,6 +1061,15 @@ static void xive_source_esb_write(void *opaque, hwad= dr addr, notify =3D xive_source_esb_eoi(xsrc, srcno); break; =20 + /* + * This is an internal offset used to inject triggers when the PQ + * state bits are not controlled locally. Such as for LSIs when + * under ABT mode. + */ + case XIVE_ESB_INJECT ... XIVE_ESB_INJECT + 0x3FF: + notify =3D true; + break; + case XIVE_ESB_SET_PQ_00 ... XIVE_ESB_SET_PQ_00 + 0x0FF: case XIVE_ESB_SET_PQ_01 ... XIVE_ESB_SET_PQ_01 + 0x0FF: case XIVE_ESB_SET_PQ_10 ... XIVE_ESB_SET_PQ_10 + 0x0FF: diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c index 9e186bbb6cd9..d474476b5a55 100644 --- a/hw/intc/xive2.c +++ b/hw/intc/xive2.c @@ -658,6 +658,16 @@ static void xive2_end_source_write(void *opaque, hwadd= r addr, notify =3D xive_esb_eoi(&pq); break; =20 + case XIVE_ESB_INJECT ... XIVE_ESB_INJECT + 0x3FF: + if (end_esmask =3D=3D END2_W1_ESe) { + qemu_log_mask(LOG_GUEST_ERROR, + "XIVE: END %x/%x can not EQ inject on ESe\n", + end_blk, end_idx); + return; + } + notify =3D true; + break; + default: qemu_log_mask(LOG_GUEST_ERROR, "XIVE: invalid END ESB write addr %= d\n", offset); --=20 2.31.1