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 71742C33C9E for ; Tue, 28 Jan 2020 10:37:27 +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 3D5182467E for ; Tue, 28 Jan 2020 10:37:27 +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="Y8wufg16" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3D5182467E 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]:56642 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iwOFK-000248-FA for qemu-devel@archiver.kernel.org; Tue, 28 Jan 2020 05:37:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48309) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iwOEJ-0000Ie-8H for qemu-devel@nongnu.org; Tue, 28 Jan 2020 05:36:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iwOEI-0000f8-4V for qemu-devel@nongnu.org; Tue, 28 Jan 2020 05:36:23 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:57167 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iwOEI-0000ex-16 for qemu-devel@nongnu.org; Tue, 28 Jan 2020 05:36:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1580207781; 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=78G0omYBZtnhpn3J/dduj+Q41/b0ahCr4I2teh8jw18=; b=Y8wufg168fsx2zz69IBuywVl65yAc3CR4GfPfE6tpMgYpRGUdGemsjNtMuZl8YvVugyWbM 9gZhEfUZd1PyVnqaWPi9Y1wStYRO1iVgp5zXCq3s5o4KMW/5WU1Hb9ztxAboU0PgrqzRhJ gNXcTk6u849euCuhUVo0eXbyBcj6Ip4= 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-366-QHcEkjAAPcSg6VQP7dxRFA-1; Tue, 28 Jan 2020 05:36:07 -0500 X-MC-Unique: QHcEkjAAPcSg6VQP7dxRFA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CB695107ACC4; Tue, 28 Jan 2020 10:36:05 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-37.ams2.redhat.com [10.36.116.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id 50F401001DD8; Tue, 28 Jan 2020 10:35:58 +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 v3 07/14] arm/arm64: gicv3: Enable/Disable LPIs at re-distributor level Date: Tue, 28 Jan 2020 11:34:52 +0100 Message-Id: <20200128103459.19413-8-eric.auger@redhat.com> In-Reply-To: <20200128103459.19413-1-eric.auger@redhat.com> References: <20200128103459.19413-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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 controls the signaling of LPIs at redistributor level. Signed-off-by: Eric Auger --- v2 -> v3: - move the helper in lib/arm/gic-v3.c - rename the function with gicv3_lpi_ prefix - s/report_abort/assert --- lib/arm/asm/gic-v3.h | 1 + lib/arm/gic-v3.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/lib/arm/asm/gic-v3.h b/lib/arm/asm/gic-v3.h index ec2a6f0..734c0c0 100644 --- a/lib/arm/asm/gic-v3.h +++ b/lib/arm/asm/gic-v3.h @@ -96,6 +96,7 @@ extern void gicv3_lpi_set_config(int n, u8 val); extern u8 gicv3_lpi_get_config(int n); extern void gicv3_lpi_set_pending_table_bit(int rdist, int n, bool set); extern void gicv3_lpi_alloc_tables(void); +extern void gicv3_lpi_rdist_ctrl(u32 redist, bool set); =20 static inline void gicv3_do_wait_for_rwp(void *base) { diff --git a/lib/arm/gic-v3.c b/lib/arm/gic-v3.c index c33f883..7865d01 100644 --- a/lib/arm/gic-v3.c +++ b/lib/arm/gic-v3.c @@ -210,4 +210,21 @@ void gicv3_lpi_set_pending_table_bit(int rdist, int = n, bool set) byte &=3D ~mask; *ptr =3D byte; } + +void gicv3_lpi_rdist_ctrl(u32 redist, bool set) +{ + void *ptr; + u64 val; + + assert(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); +} #endif /* __aarch64__ */ + --=20 2.20.1