From nobody Tue Feb 10 07:22:20 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 1637928352447578.690690179714; Fri, 26 Nov 2021 04:05:52 -0800 (PST) Received: from localhost ([::1]:35978 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqZzC-00059I-OD for importer@patchew.org; Fri, 26 Nov 2021 07:05:50 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59518) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqZnq-0003Rp-Q6 for qemu-devel@nongnu.org; Fri, 26 Nov 2021 06:54:08 -0500 Received: from smtpout3.mo529.mail-out.ovh.net ([46.105.54.81]:60791) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqZni-0007T8-Jo for qemu-devel@nongnu.org; Fri, 26 Nov 2021 06:54:04 -0500 Received: from mxplan5.mail.ovh.net (unknown [10.108.20.2]) by mo529.mail-out.ovh.net (Postfix) with ESMTPS id C6F8ACE26F07; Fri, 26 Nov 2021 12:53:56 +0100 (CET) Received: from kaod.org (37.59.142.105) 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 15.1.2308.20; Fri, 26 Nov 2021 12:53:56 +0100 Authentication-Results: garm.ovh; auth=pass (GARM-105G00672324542-314b-4d07-a91e-ab5f5cf809f4, B8303126CBA279BD35B7DF0844B381DDFAFB7782) smtp.auth=clg@kaod.org X-OVh-ClientIp: 82.64.250.170 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: , Subject: [PATCH v3 09/18] ppc/xive2: Add support for notification injection on ESB pages Date: Fri, 26 Nov 2021 12:53:40 +0100 Message-ID: <20211126115349.2737605-10-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211126115349.2737605-1-clg@kaod.org> References: <20211126115349.2737605-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.105] X-ClientProxiedBy: DAG1EX2.mxp5.local (172.16.2.2) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: 6a290eef-d4e2-47ea-91ff-be0ac7c28132 X-Ovh-Tracer-Id: 14615306691671264108 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvuddrhedvgdefvdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffufffkofgjfhggtgfgihesthekredtredtjeenucfhrhhomhepveorughrihgtucfnvgcuifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeehheefgeejiedtffefteejudevjeeufeeugfdtfeeuleeuteevleeihffhgfdtleenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddtheenucevlhhushhtvghrufhiiigvpedvnecurfgrrhgrmhepmhhouggvpehsmhhtphhouhhtpdhhvghlohepmhigphhlrghnhedrmhgrihhlrdhovhhhrdhnvghtpdhinhgvtheptddrtddrtddrtddpmhgrihhlfhhrohhmpegtlhhgsehkrghougdrohhrghdprhgtphhtthhopegtlhhgsehkrghougdrohhrgh 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=46.105.54.81; envelope-from=clg@kaod.org; helo=smtpout3.mo529.mail-out.ovh.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: , Cc: Alexey Kardashevskiy , Daniel Henrique Barboza , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Frederic Barrat , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1637928355702100001 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 Reviewed-by: Daniel Henrique Barboza --- 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 b8ab0bf7490f..875c7f639689 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 190194d27f84..2c73ab5ca9d6 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