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=unavailable 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 1C7F1C3B19D for ; Fri, 14 Feb 2020 14:58:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E600F24654 for ; Fri, 14 Feb 2020 14:58:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581692281; bh=R6j+U+I+XQkvCRJstNT8X5ez+Q80+JuN85z9z5HuAN4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=okOSw4cVTFqlpQAY3u9YK1SPbDKpxCMAS0vCkb3nX2hjMP2JxSK58vPI3cHflw0jr GKZua6jx/NofDhNiQOZtDEqwauhZ69YpMs9rImQkFwQC9CcUrv6fSNKiyAHAsEk09y 7zTYAF1w5Tm0AFICrOw314j6w9Ue74p+JnJ+ngGc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387539AbgBNO54 (ORCPT ); Fri, 14 Feb 2020 09:57:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:51364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387523AbgBNO5y (ORCPT ); Fri, 14 Feb 2020 09:57:54 -0500 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 9EDE5246B0; Fri, 14 Feb 2020 14:57:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581692273; bh=R6j+U+I+XQkvCRJstNT8X5ez+Q80+JuN85z9z5HuAN4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vrSGUAlZmZfRATl02GeeyMM+P7SKT8PY6M7IFawtJO55BBmCTZ4e0FQ+n1TKNGbqH zTyPVma143y2U06HiST13Yle/622ayd9CSWaPohtHRZF0bLx/X9CQiMZRYJm2Fya/K BPCV5U00sfk/mmWWFLh9GUJm6XFDd2vpwCnZYmVk= 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:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1j2cPg-0057sw-02; Fri, 14 Feb 2020 14:57:52 +0000 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lorenzo Pieralisi , Jason Cooper , Robert Richter , Thomas Gleixner , Zenghui Yu , Eric Auger , James Morse , Julien Thierry , Suzuki K Poulose Subject: [PATCH v4 09/20] irqchip/gic-v4.1: Plumb set_vcpu_affinity SGI callbacks Date: Fri, 14 Feb 2020 14:57:25 +0000 Message-Id: <20200214145736.18550-10-maz@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214145736.18550-1-maz@kernel.org> References: <20200214145736.18550-1-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: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.pieralisi@arm.com, jason@lakedaemon.net, rrichter@marvell.com, tglx@linutronix.de, yuzenghui@huawei.com, eric.auger@redhat.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org As for VLPIs, there is a number of configuration bits that cannot be directly communicated through the normal irqchip API, and we have to use our good old friend set_vcpu_affinity. This is used to configure group and priority for a given vSGI. Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic-v3-its.c | 18 ++++++++++++++++++ include/linux/irqchip/arm-gic-v4.h | 5 +++++ 2 files changed, 23 insertions(+) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index a9753435c4ff..a2e824eae43f 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3969,6 +3969,23 @@ static int its_sgi_get_irqchip_state(struct irq_data *d, return 0; } +static int its_sgi_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) +{ + struct its_vpe *vpe = irq_data_get_irq_chip_data(d); + struct its_cmd_info *info = vcpu_info; + + switch (info->cmd_type) { + case PROP_UPDATE_SGI: + vpe->sgi_config[d->hwirq].priority = info->priority; + vpe->sgi_config[d->hwirq].group = info->group; + its_configure_sgi(d, false); + return 0; + + default: + return -EINVAL; + } +} + static struct irq_chip its_sgi_irq_chip = { .name = "GICv4.1-sgi", .irq_mask = its_sgi_mask_irq, @@ -3976,6 +3993,7 @@ static struct irq_chip its_sgi_irq_chip = { .irq_set_affinity = its_sgi_set_affinity, .irq_set_irqchip_state = its_sgi_set_irqchip_state, .irq_get_irqchip_state = its_sgi_get_irqchip_state, + .irq_set_vcpu_affinity = its_sgi_set_vcpu_affinity, }; static int its_sgi_irq_domain_alloc(struct irq_domain *domain, diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h index 30b4855bf766..a1a9d40266f5 100644 --- a/include/linux/irqchip/arm-gic-v4.h +++ b/include/linux/irqchip/arm-gic-v4.h @@ -98,6 +98,7 @@ enum its_vcpu_info_cmd_type { SCHEDULE_VPE, DESCHEDULE_VPE, INVALL_VPE, + PROP_UPDATE_SGI, }; struct its_cmd_info { @@ -110,6 +111,10 @@ struct its_cmd_info { bool g0en; bool g1en; }; + struct { + u8 priority; + bool group; + }; }; }; -- 2.20.1