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 87085CA9EAF for ; Sun, 27 Oct 2019 14:46:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5330921D80 for ; Sun, 27 Oct 2019 14:46:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572187564; bh=QqBkOBNIjEQibOWEUB5mjhbEHtaLh+Iis5MerWZP6so=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lcemEU5Y/Mu6ZFtExE7iF2EQu/2Hhig04hZOnP3CiOxOTPdny25NcmNQdqOdR6CSx vT5c3Uj0KR6icIwMG167Q1h2C/UQjUGD+zeke9oEIbvg4kpofhxVvvG2hdGzYPJ+e9 PiWFKJWIVaSTIaj8FBYhHlE/SLFoNbNc8xTAwKJE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727473AbfJ0OqD (ORCPT ); Sun, 27 Oct 2019 10:46:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:38780 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726817AbfJ0OqC (ORCPT ); Sun, 27 Oct 2019 10:46:02 -0400 Received: from localhost.localdomain (82-132-239-15.dab.02.net [82.132.239.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 412D821850; Sun, 27 Oct 2019 14:45:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572187561; bh=QqBkOBNIjEQibOWEUB5mjhbEHtaLh+Iis5MerWZP6so=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bNq7KNghIOwe7aCG/obAybLuPLgyykw8l1cn0DLS+0u5sLu3Ge8vhvC7XwApDntPs ddU4JUwozIWZkQXhC5008NU5Q5pPIgAIYzJ1zSMkP6Vecbm13SawOhqXUvMKaNdZ2f GchnCghwN5PwxknnBCk4VDyDJjdwWqRlHVRAAbUg= 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 , Jayachandran C , Robert Richter Subject: [PATCH v2 28/36] irqchip/gic-v4.1: Plumb set_vcpu_affinity SGI callbacks Date: Sun, 27 Oct 2019 14:42:26 +0000 Message-Id: <20191027144234.8395-29-maz@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191027144234.8395-1-maz@kernel.org> References: <20191027144234.8395-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 58dd497dc274..03ba4964a7f5 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3744,6 +3744,23 @@ 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, @@ -3751,6 +3768,7 @@ 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 03bbd0aed2e2..6185926e4582 100644 --- a/include/linux/irqchip/arm-gic-v4.h +++ b/include/linux/irqchip/arm-gic-v4.h @@ -96,6 +96,7 @@ enum its_vcpu_info_cmd_type { SCHEDULE_VPE, DESCHEDULE_VPE, INVALL_VPE, + PROP_UPDATE_SGI, }; struct its_cmd_info { @@ -108,6 +109,10 @@ struct its_cmd_info { bool g0en; bool g1en; }; + struct { + u8 priority; + bool group; + }; }; }; -- 2.20.1