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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 73DF8C282DD for ; Fri, 10 Jan 2020 14:55:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A9D020842 for ; Fri, 10 Jan 2020 14:55:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="RNJzlCon" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728442AbgAJOzN (ORCPT ); Fri, 10 Jan 2020 09:55:13 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:48584 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728422AbgAJOzM (ORCPT ); Fri, 10 Jan 2020 09:55:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578668111; 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=gBKAcnxc2MYZzCoP970ndMhL3JY30iNVMqi2oK57oys=; b=RNJzlConDDNJyLKfAVOIcB28NlVTMKWNNfwAP1WZ9wxnoAS9E+xe4A9SndEUoZx3SrHtBW HUvjkqVQauMzL0NSNQSYT9lpbCeb9X97jCr4IEFZjEBFGVT4HAGPioUP7LzCdRCRFifDzG yxbNrCcpHsD8lwvicvKTmzrFHqIvYkE= 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-137-JQMSqK-yNEazhUrjO_r2Cg-1; Fri, 10 Jan 2020 09:55:10 -0500 X-MC-Unique: JQMSqK-yNEazhUrjO_r2Cg-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 841A6108838E; Fri, 10 Jan 2020 14:55:07 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-108.ams2.redhat.com [10.36.117.108]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5DB427BA5F; Fri, 10 Jan 2020 14:54:59 +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 Cc: drjones@redhat.com, andre.przywara@arm.com, peter.maydell@linaro.org, yuzenghui@huawei.com, alexandru.elisei@arm.com, thuth@redhat.com Subject: [kvm-unit-tests PATCH v2 09/16] arm/arm64: ITS: Enable/Disable LPIs at re-distributor level Date: Fri, 10 Jan 2020 15:54:05 +0100 Message-Id: <20200110145412.14937-10-eric.auger@redhat.com> In-Reply-To: <20200110145412.14937-1-eric.auger@redhat.com> References: <20200110145412.14937-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Content-Transfer-Encoding: quoted-printable Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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 93814f7..d2db292 100644 --- a/lib/arm/asm/gic-v3-its.h +++ b/lib/arm/asm/gic-v3-its.h @@ -99,6 +99,7 @@ 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 3037c84..c7c6f80 100644 --- a/lib/arm/gic-v3-its.c +++ b/lib/arm/gic-v3-its.c @@ -199,3 +199,21 @@ void init_cmd_queue(void) its_data.cmd_write =3D its_data.cmd_base; writeq(0, its_data.base + GITS_CWRITER); } + +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