From nobody Tue Feb 10 20:28:41 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1528386822013595.0626115422426; Thu, 7 Jun 2018 08:53:42 -0700 (PDT) Received: from localhost ([::1]:58764 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fQxEL-0003jS-7D for importer@patchew.org; Thu, 07 Jun 2018 11:53:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38724) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fQxBf-0001ro-KD for qemu-devel@nongnu.org; Thu, 07 Jun 2018 11:51:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fQxBa-0003cE-Uk for qemu-devel@nongnu.org; Thu, 07 Jun 2018 11:50:55 -0400 Received: from 8.mo5.mail-out.ovh.net ([178.32.116.78]:34830) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fQxBa-0003bJ-Ny for qemu-devel@nongnu.org; Thu, 07 Jun 2018 11:50:50 -0400 Received: from player169.ha.ovh.net (unknown [10.109.122.79]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id F0CB11BE4C3 for ; Thu, 7 Jun 2018 17:50:48 +0200 (CEST) Received: from zorba.kaod.org.com (deibp9eh1--blueice1n0.emea.ibm.com [195.212.29.162]) (Authenticated sender: clg@kaod.org) by player169.ha.ovh.net (Postfix) with ESMTPSA id 7A8B75800AF; Thu, 7 Jun 2018 17:50:43 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org Date: Thu, 7 Jun 2018 17:49:41 +0200 Message-Id: <20180607155003.1580-7-clg@kaod.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180607155003.1580-1-clg@kaod.org> References: <20180607155003.1580-1-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 6077607701403765587 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedthedrjeejgdelgecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd 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: 178.32.116.78 Subject: [Qemu-devel] [PATCH v4 06/28] ppc/xive: introduce the XiveFabric interface 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: Greg Kurz , qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The XiveFabric offers a simple interface, between the XiveSource object and the main interrupt controller of the machine. It will forward event notifications to the XIVE Interrupt Virtualization Routing Engine (IVRE). Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive.h | 23 +++++++++++++++++++++++ hw/intc/xive.c | 25 +++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index e118acd59f1e..be93fae6317b 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -13,6 +13,27 @@ #include "hw/sysbus.h" =20 /* + * XIVE Fabric (Interface between Source and Router) + */ + +typedef struct XiveFabric { + Object parent; +} XiveFabric; + +#define TYPE_XIVE_FABRIC "xive-fabric" +#define XIVE_FABRIC(obj) \ + OBJECT_CHECK(XiveFabric, (obj), TYPE_XIVE_FABRIC) +#define XIVE_FABRIC_CLASS(klass) \ + OBJECT_CLASS_CHECK(XiveFabricClass, (klass), TYPE_XIVE_FABRIC) +#define XIVE_FABRIC_GET_CLASS(obj) \ + OBJECT_GET_CLASS(XiveFabricClass, (obj), TYPE_XIVE_FABRIC) + +typedef struct XiveFabricClass { + InterfaceClass parent; + void (*notify)(XiveFabric *xf, uint32_t lisn); +} XiveFabricClass; + +/* * XIVE Interrupt Source */ =20 @@ -42,6 +63,8 @@ typedef struct XiveSource { uint64_t esb_flags; uint32_t esb_shift; MemoryRegion esb_mmio; + + XiveFabric *xive; } XiveSource; =20 /* diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 3ad8c151b9dc..3f6fcb358f83 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -152,7 +152,11 @@ static bool xive_source_esb_eoi(XiveSource *xsrc, uint= 32_t srcno) */ static void xive_source_notify(XiveSource *xsrc, int srcno) { + XiveFabricClass *xfc =3D XIVE_FABRIC_GET_CLASS(xsrc->xive); =20 + if (xfc->notify) { + xfc->notify(xsrc->xive, srcno); + } } =20 /* In a two pages ESB MMIO setting, even page is the trigger page, odd @@ -358,6 +362,17 @@ static void xive_source_reset(DeviceState *dev) static void xive_source_realize(DeviceState *dev, Error **errp) { XiveSource *xsrc =3D XIVE_SOURCE(dev); + Object *obj; + Error *local_err =3D NULL; + + obj =3D object_property_get_link(OBJECT(dev), "xive", &local_err); + if (!obj) { + error_propagate(errp, local_err); + error_prepend(errp, "required link 'xive' not found: "); + return; + } + + xsrc->xive =3D XIVE_FABRIC(obj); =20 if (!xsrc->nr_irqs) { error_setg(errp, "Number of interrupt needs to be greater than 0"); @@ -427,9 +442,19 @@ static const TypeInfo xive_source_info =3D { .class_init =3D xive_source_class_init, }; =20 +/* + * XIVE Fabric + */ +static const TypeInfo xive_fabric_info =3D { + .name =3D TYPE_XIVE_FABRIC, + .parent =3D TYPE_INTERFACE, + .class_size =3D sizeof(XiveFabricClass), +}; + static void xive_register_types(void) { type_register_static(&xive_source_info); + type_register_static(&xive_fabric_info); } =20 type_init(xive_register_types) --=20 2.13.6