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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 7C3B9C2D0CF for ; Tue, 24 Dec 2019 11:43:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41848206CB for ; Tue, 24 Dec 2019 11:43:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577187804; bh=OU3i052ZF//Wu4rkWcKgh+KLFM8jnoqZQPBXrJ+hcAM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=L2NC59puao9dBCuWf2R6DFuFsX02mfxoFQ3blrWWn+Y3dnLeRD/Cg0H75RkOS7Aap ZgUeYTCmdEGqHDRrurSTpwa3ZWFLeUhzjUtRwF9P0TGQOldghTfXvF04a/KpZN+YXF yv1RMQx1qsJUWLN0MfXD1nxyX4cKZWYbO7qfZW8g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727234AbfLXLnX (ORCPT ); Tue, 24 Dec 2019 06:43:23 -0500 Received: from inca-roads.misterjones.org ([213.251.177.50]:55243 "EHLO inca-roads.misterjones.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726206AbfLXLnW (ORCPT ); Tue, 24 Dec 2019 06:43:22 -0500 Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by cheepnis.misterjones.org with esmtpsa (TLSv1.2:DHE-RSA-AES128-GCM-SHA256:128) (Exim 4.80) (envelope-from ) id 1iji6I-000169-Js; Tue, 24 Dec 2019 12:11:43 +0100 From: Marc Zyngier To: kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org Cc: Eric Auger , James Morse , Julien Thierry , Suzuki K Poulose , Thomas Gleixner , Jason Cooper , Lorenzo Pieralisi , Andrew Murray , Zenghui Yu , Robert Richter Subject: [PATCH v3 32/32] KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs Date: Tue, 24 Dec 2019 11:10:55 +0000 Message-Id: <20191224111055.11836-33-maz@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191224111055.11836-1-maz@kernel.org> References: <20191224111055.11836-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, eric.auger@redhat.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, tglx@linutronix.de, jason@lakedaemon.net, lorenzo.pieralisi@arm.com, Andrew.Murray@arm.com, yuzenghui@huawei.com, rrichter@marvell.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The vgic-state debugfs file could do with showing the pending state of the HW-backed SGIs. Plug it into the low-level code. Signed-off-by: Marc Zyngier --- virt/kvm/arm/vgic/vgic-debug.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/virt/kvm/arm/vgic/vgic-debug.c b/virt/kvm/arm/vgic/vgic-debug.c index cc12fe9b2df3..b13a9e3f99dd 100644 --- a/virt/kvm/arm/vgic/vgic-debug.c +++ b/virt/kvm/arm/vgic/vgic-debug.c @@ -178,6 +178,8 @@ static void print_irq_state(struct seq_file *s, struct vgic_irq *irq, struct kvm_vcpu *vcpu) { char *type; + bool pending; + if (irq->intid < VGIC_NR_SGIS) type = "SGI"; else if (irq->intid < VGIC_NR_PRIVATE_IRQS) @@ -190,6 +192,16 @@ static void print_irq_state(struct seq_file *s, struct vgic_irq *irq, if (irq->intid ==0 || irq->intid == VGIC_NR_PRIVATE_IRQS) print_header(s, irq, vcpu); + pending = irq->pending_latch; + if (irq->hw && vgic_irq_is_sgi(irq->intid)) { + int err; + + err = irq_get_irqchip_state(irq->host_irq, + IRQCHIP_STATE_PENDING, + &pending); + WARN_ON_ONCE(err); + } + seq_printf(s, " %s %4d " " %2d " "%d%d%d%d%d%d%d " @@ -201,7 +213,7 @@ static void print_irq_state(struct seq_file *s, struct vgic_irq *irq, "\n", type, irq->intid, (irq->target_vcpu) ? irq->target_vcpu->vcpu_id : -1, - irq->pending_latch, + pending, irq->line_level, irq->active, irq->enabled, -- 2.20.1