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=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 34E09C433DB for ; Tue, 16 Mar 2021 17:55:59 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 3329E65101 for ; Tue, 16 Mar 2021 17:55:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3329E65101 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LqYYZ4g1MAyrAAr/6ztobQgAwpTln2oKWzsr6s+eUDg=; b=Ab1apzsF5YpZ+264y96ZogxPV LEFhvYTeYef4W1GEn4gij28soNtEReVFrVBmcgMyf7ERjkRlebOHNSmUKPtc+ncV1MfmN3zgGexg6 wFGb0vopNUxD6GmRlPWQMxCtWq52RF5gXWb3nFs7O6YwUSq31DDqWtVeH8zehvfBmDDp1L2jIec0C C/R1vLEINStROryRRgBRfPx+Uln9EdKii7A+ksjRYLealhK7LWNM3kX2qc8bg24tlFL6F/0zmvK4P eYDkGFNuA6i9oZw9EP3MmXsQGw6z+zT8Ab1ZwD/KPgShvhGBOnlCJd759IJStOX49+aAUQG9dgdWG 6KNzMWplA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMDta-001TTf-4O; Tue, 16 Mar 2021 17:54:18 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMDsz-001TIS-Ru for linux-arm-kernel@lists.infradead.org; Tue, 16 Mar 2021 17:53:47 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6D24365120; Tue, 16 Mar 2021 17:53:40 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lMDmG-0021ao-P3; Tue, 16 Mar 2021 17:46:44 +0000 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: James Morse , Julien Thierry , Suzuki K Poulose , Alexandru Elisei , Eric Auger , Hector Martin , Mark Rutland , kernel-team@android.com Subject: [PATCH 11/11] irqchip/apple-aic: Advertise some level of vGICv3 compatibility Date: Tue, 16 Mar 2021 17:46:16 +0000 Message-Id: <20210316174617.173033-12-maz@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210316174617.173033-1-maz@kernel.org> References: <20210316174617.173033-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, eric.auger@redhat.com, marcan@marcan.st, mark.rutland@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210316_175342_643795_69C1480C X-CRM114-Status: GOOD ( 12.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The CPUs in the Apple M1 SoC partially implement a virtual GICv3 CPU interface, although one that is incapable of HW deactivation of interrupts. Advertise the support to KVM. Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-apple-aic.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/irqchip/irq-apple-aic.c b/drivers/irqchip/irq-apple-aic.c index 26ee149dbae3..ac24d9fcc044 100644 --- a/drivers/irqchip/irq-apple-aic.c +++ b/drivers/irqchip/irq-apple-aic.c @@ -51,6 +51,7 @@ #include #include #include +#include #include #include #include @@ -655,6 +656,11 @@ static int aic_init_cpu(unsigned int cpu) } +static struct gic_kvm_info vgic_info __initdata = { + .type = GIC_V3, + .no_hw_deactivation = true, +}; + static int __init aic_of_ic_init(struct device_node *node, struct device_node *parent) { int i; @@ -708,6 +714,7 @@ static int __init aic_of_ic_init(struct device_node *node, struct device_node *p "irqchip/apple-aic/ipi:starting", aic_init_cpu, NULL); + vgic_set_kvm_info(&vgic_info); pr_info("AIC: initialized with %d IRQs, %d FIQs, %d vIPIs\n", irqc->nr_hw, AIC_NR_FIQ, AIC_NR_SWIPI); -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel