From patchwork Fri Jan 10 14:54:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 1221149 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=T++sQJcY; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 47vR216PHxz9sR4 for ; Sat, 11 Jan 2020 01:58:33 +1100 (AEDT) Received: from localhost ([::1]:47182 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ipvk7-00008S-5T for incoming@patchwork.ozlabs.org; Fri, 10 Jan 2020 09:58:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53970) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ipvgy-0004qA-A6 for qemu-devel@nongnu.org; Fri, 10 Jan 2020 09:55:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ipvgw-0007Dq-VN for qemu-devel@nongnu.org; Fri, 10 Jan 2020 09:55:16 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:27245 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 1ipvgw-0007Bu-Qc for qemu-devel@nongnu.org; Fri, 10 Jan 2020 09:55:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578668114; 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=A9N2aRoAuhJExNcXHHKcgXxx/GMzDOlebGq7Fw5BkDk=; b=T++sQJcYvd6/4QW72EImRHQF1qU08x/Q92C75XduFj0EAD1fLR7IcXZ4xoI/q+Fi9rKieS wjzf2ATHJR440JM8SdI1Y0w9xt8q3Zw8OqBMVfbIBVN0TEkenDZ5Ok9vChIm8f0m/RYHEd C0TO78eU7Ny6s4yce+MNGoD2fVNmC8s= 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-242-ePoRKuSlMn2JcuCbsgeOXA-1; Fri, 10 Jan 2020 09:55:13 -0500 X-MC-Unique: ePoRKuSlMn2JcuCbsgeOXA-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 D690318C43CF; Fri, 10 Jan 2020 14:55:10 +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 DC5647C3E2; Fri, 10 Jan 2020 14:55:07 +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 v2 10/16] arm/arm64: ITS: its_enable_defaults Date: Fri, 10 Jan 2020 15:54:06 +0100 Message-Id: <20200110145412.14937-11-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 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" its_enable_defaults() is the top init function that allocates all the requested tables (device, collection, lpi config and pending tables), enable LPIs at distributor level and ITS level. gicv3_enable_defaults must be called before. Signed-off-by: Eric Auger --- lib/arm/asm/gic-v3-its.h | 1 + lib/arm/gic-v3-its.c | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/lib/arm/asm/gic-v3-its.h b/lib/arm/asm/gic-v3-its.h index d2db292..0e31848 100644 --- a/lib/arm/asm/gic-v3-its.h +++ b/lib/arm/asm/gic-v3-its.h @@ -100,6 +100,7 @@ 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); +extern void its_enable_defaults(void); #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 c7c6f80..f488cca 100644 --- a/lib/arm/gic-v3-its.c +++ b/lib/arm/gic-v3-its.c @@ -217,3 +217,43 @@ void gicv3_rdist_ctrl_lpi(u32 redist, bool set) val &= ~GICR_CTLR_ENABLE_LPIS; writel(val, ptr + GICR_CTLR); } + +void its_enable_defaults(void) +{ + unsigned int i; + + its_parse_typer(); + + /* Allocate BASER tables (device and collection tables) */ + for (i = 0; i < GITS_BASER_NR_REGS; i++) { + struct its_baser *baser = &its_data.baser[i]; + int ret; + + ret = its_parse_baser(i, baser); + if (ret) + continue; + + switch (baser->type) { + case GITS_BASER_TYPE_DEVICE: + baser->valid = true; + its_setup_baser(i, baser); + break; + case GITS_BASER_TYPE_COLLECTION: + baser->valid = true; + its_setup_baser(i, baser); + break; + default: + break; + } + } + + /* Allocate LPI config and pending tables */ + alloc_lpi_tables(); + + init_cmd_queue(); + + for (i = 0; i < nr_cpus; i++) + gicv3_rdist_ctrl_lpi(i, true); + + writel(GITS_CTLR_ENABLE, its_data.base + GITS_CTLR); +}