Message ID | 20221121140049.038269899@linutronix.de |
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State | New |
Headers | show
Return-Path: <linux-pci-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=sd7rSg2k; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=1LwGc7zM; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4NG9Sg0jTZz23nX for <incoming@patchwork.ozlabs.org>; Tue, 22 Nov 2022 01:56:19 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231828AbiKUO4Q (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Mon, 21 Nov 2022 09:56:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231145AbiKUOz6 (ORCPT <rfc822;linux-pci@vger.kernel.org>); Mon, 21 Nov 2022 09:55:58 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E135D0DCC; Mon, 21 Nov 2022 06:45:57 -0800 (PST) Message-ID: <20221121140049.038269899@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1669041583; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=LWZzkLvZ5gHjlFpFBFxZZ1jfolwvE2BdWztZvI0p9OM=; b=sd7rSg2kigN5NlHza6Cga+tuw6V9g85Jshy3OJDjK1D5b+qUcdz91t0O3Qb7ZR3SW3lewI DfbjxwYyurnLIoogWDByWH0NlutYf0V9VkIgvV++7jY+zYa2EGu6EI+IFMEIRtc7la0rzE WH2IxOydVABXRQ06Sao4uSzlRihp9Tikofgzb6iL/mTFJaNuvRHqVrlxRDhFWQbqjxfnwK igW9I5XFFuEXC8Yb8YimZO73/2RCiXQFbZQ3E87PAo1mabN/cafe+5XcUS3S6syHFoA8dp uv6aXrfvYzLHbEOGm8lueongK4ZyUOIXhPaYWp2MYcMNNmNeyME8yfFFDVpvzQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1669041583; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=LWZzkLvZ5gHjlFpFBFxZZ1jfolwvE2BdWztZvI0p9OM=; b=1LwGc7zMWirV3udF+2ZM+b/fwdVY8bzXmFqARcd7mOXQ0aeXbaK0OWc4jNKdf3PHPi8Z1H paC0VXkW6C9Kn5Aw== From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: Will Deacon <will@kernel.org>, linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Marc Zyngier <maz@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jason Gunthorpe <jgg@mellanox.com>, Andrew Lunn <andrew@lunn.ch>, Gregory Clement <gregory.clement@bootlin.com>, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>, Ammar Faizi <ammarfaizi2@gnuweeb.org>, Robin Murphy <robin.murphy@arm.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, linux-arm-kernel@lists.infradead.org, Vinod Koul <vkoul@kernel.org>, Sinan Kaya <okaya@kernel.org>, Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>, Zenghui Yu <yuzenghui@huawei.com>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Fabio Estevam <festevam@gmail.com> Subject: [patch V2 12/40] irqchip/gic-msi-lib: Prepare for PCI MSI/MSIX References: <20221121135653.208611233@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Mon, 21 Nov 2022 15:39:43 +0100 (CET) X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-pci.vger.kernel.org> X-Mailing-List: linux-pci@vger.kernel.org |
Series |
genirq, irqchip: Convert ARM MSI handling to per device MSI domains
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--- a/drivers/irqchip/irq-gic-msi-lib.c +++ b/drivers/irqchip/irq-gic-msi-lib.c @@ -48,6 +48,13 @@ bool gic_msi_lib_init_dev_msi_info(struc /* Is the target domain bus token supported ? */ switch(info->bus_token) { + case DOMAIN_BUS_PCI_DEVICE_MSI: + case DOMAIN_BUS_PCI_DEVICE_MSIX: + if (WARN_ON_ONCE(!IS_ENABLED(CONFIG_PCI_MSI))) + return false; + + pci_device_msi_mask_unmask_parent_enable(); + break; default: /* * This should never be reached. See --- a/drivers/irqchip/irq-gic-msi-lib.h +++ b/drivers/irqchip/irq-gic-msi-lib.h @@ -9,6 +9,12 @@ #include <linux/irqdomain.h> #include <linux/msi.h> +#ifdef CONFIG_PCI_MSI +#define MATCH_PCI_MSI BIT(DOMAIN_BUS_PCI_MSI) +#else +#define MATCH_PCI_MSI (0) +#endif + int gic_msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token);
Add the bus tokens for DOMAIN_BUS_PCI_DEVICE_MSI and DOMAIN_BUS_PCI_DEVICE_MSIX to the common child init function and enable the parent mask/unmask static key in the PCI/MSI core. Provide the match mask which can be used by parent domain implementation so the bitmask based child bus token match works. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- drivers/irqchip/irq-gic-msi-lib.c | 7 +++++++ drivers/irqchip/irq-gic-msi-lib.h | 6 ++++++ 2 files changed, 13 insertions(+)