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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 04656C43603 for ; Mon, 16 Dec 2019 14:05:48 +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 C2D5F20684 for ; Mon, 16 Dec 2019 14:05:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eHhVD94O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2D5F20684 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54272 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igr0M-0006Bf-Hw for qemu-devel@archiver.kernel.org; Mon, 16 Dec 2019 09:05:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58671) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igqyt-0004KR-2x for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1igqys-0003y8-11 for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:14 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:53983 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1igqyr-0003xu-TK for qemu-devel@nongnu.org; Mon, 16 Dec 2019 09:04:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576505053; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OCRQ/pdsIh4TpbiB2k9WKBIlHq8frf2VL5aV01rBiHQ=; b=eHhVD94OqnPQ/aKluQHF3Q743GPiau8yLs+1UY6ZGrXBoX0zFkHsn9bbjeV+ESfCBoSxnk CfzFafFqLJ19sjc7wXJ7yEiot7cOOEcaWe+2P8uvSAp6uJvZ4x3u5g49OLuj8DJ+Hg2z82 nIT+D1/a+yOmeqPEhmY95sHNvvAm2vE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-266-d9quq6-aOwC9kim1AWnO3A-1; Mon, 16 Dec 2019 09:04:12 -0500 X-MC-Unique: d9quq6-aOwC9kim1AWnO3A-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 85EBD1809A43; Mon, 16 Dec 2019 14:04:10 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-117.ams2.redhat.com [10.36.116.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id 72116675B8; Mon, 16 Dec 2019 14:04:07 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [kvm-unit-tests PATCH 09/16] arm/arm64: ITS: Enable/Disable LPIs at re-distributor level Date: Mon, 16 Dec 2019 15:02:28 +0100 Message-Id: <20191216140235.10751-10-eric.auger@redhat.com> In-Reply-To: <20191216140235.10751-1-eric.auger@redhat.com> References: <20191216140235.10751-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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: 205.139.110.120 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: peter.maydell@linaro.org, drjones@redhat.com, andre.przywara@arm.com, thuth@redhat.com, yuzenghui@huawei.com, alexandru.elisei@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This helper function enables or disables the signaling of LPIs at redistributor level. Signed-off-by: Eric Auger --- lib/arm/asm/gic-v3-its.h | 1 + lib/arm/gic-v3-its.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/lib/arm/asm/gic-v3-its.h b/lib/arm/asm/gic-v3-its.h index ed42707..d56a17f 100644 --- a/lib/arm/asm/gic-v3-its.h +++ b/lib/arm/asm/gic-v3-its.h @@ -138,6 +138,7 @@ extern struct its_baser *its_lookup_baser(int type); extern void set_lpi_config(int n, u8 val); extern u8 get_lpi_config(int n); extern void set_pending_table_bit(int rdist, int n, bool set); +extern void gicv3_rdist_ctrl_lpi(u32 redist, bool set); =20 #endif /* !__ASSEMBLY__ */ #endif /* _ASMARM_GIC_V3_ITS_H_ */ diff --git a/lib/arm/gic-v3-its.c b/lib/arm/gic-v3-its.c index 8b6a095..b0f7714 100644 --- a/lib/arm/gic-v3-its.c +++ b/lib/arm/gic-v3-its.c @@ -225,3 +225,21 @@ void init_cmd_queue(void) writeq(0, its_data.base + GITS_CWRITER); writeq(0, its_data.base + GITS_CREADR); } + +void gicv3_rdist_ctrl_lpi(u32 redist, bool set) +{ + void *ptr; + u64 val; + + if (redist >=3D nr_cpus) + report_abort("%s redist=3D%d >=3D cpu_count=3D%d\n", + __func__, redist, nr_cpus); + + ptr =3D gicv3_data.redist_base[redist]; + val =3D readl(ptr + GICR_CTLR); + if (set) + val |=3D GICR_CTLR_ENABLE_LPIS; + else + val &=3D ~GICR_CTLR_ENABLE_LPIS; + writel(val, ptr + GICR_CTLR); +} --=20 2.20.1