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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E1F3C43217 for ; Fri, 11 Nov 2022 14:01:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234284AbiKKOBM (ORCPT ); Fri, 11 Nov 2022 09:01:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234099AbiKKOAf (ORCPT ); Fri, 11 Nov 2022 09:00:35 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E737F814FD; Fri, 11 Nov 2022 05:56:48 -0800 (PST) Message-ID: <20221111132706.332816984@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1668175005; 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=+CkTPHTMXOvRSl4YB673TzHqsVFLjHUDowE8deLkwuw=; b=gNnRb6mrbonmhBd8GR2CBf2YUwkoKxyhGHRH2Vew6IAJ1aoaNsG72PZxdV2iXRLVZ4Uh4q vxD/3XMxd+I5f2oUt+iysBur2W5wdQun2frxS2K99K1IFc5OKycKQeMjQYt7e9hv5AxA3u vrzWBUYAkXPOwUVn+/Dj6HyJ1sDgCECZwBQux++n0bUmd7CaQpT8KAjQqNibNkNZWNJQpH YEPnK+UtxPITgqJ01xgYSVgI9NG6OgyLq5KJC6oqZ4yg7eluvoKEdu7FmdNcUX0xtFRfiF amonQVthSLuzmJlWs5l55YkXYmKz3ayecVpRHTlqjQi1j4jfj1Kd5BFoWnXRCg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1668175005; 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=+CkTPHTMXOvRSl4YB673TzHqsVFLjHUDowE8deLkwuw=; b=8IPFVf2Sz/jfFvdgpzjQUfkbUjKJhpZNKH+G9byBcUzBkUSLl+f2JohdhaKYFUMabfMsNd JRIcUopJmj64EPCg== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, Joerg Roedel , Will Deacon , linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Marc Zyngier , Greg Kroah-Hartman , Jason Gunthorpe , Dave Jiang , Alex Williamson , Kevin Tian , Dan Williams , Logan Gunthorpe , Ashok Raj , Jon Mason , Allen Hubbe , "Ahmed S. Darwish" , Reinette Chatre Subject: [patch 05/20] genirq/irqdomain: Provide IRQ_DOMAIN_FLAG_MSI_DEVICE References: <20221111131813.914374272@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Fri, 11 Nov 2022 14:56:45 +0100 (CET) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to marking parent MSI domains it's required to identify per device domains. Add flag and helpers. Signed-off-by: Thomas Gleixner --- include/linux/irqdomain.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -192,6 +192,9 @@ enum { /* Irq domain is a MSI parent domain */ IRQ_DOMAIN_FLAG_MSI_PARENT = (1 << 8), + /* Irq domain is a MSI device domain */ + IRQ_DOMAIN_FLAG_MSI_DEVICE = (1 << 9), + /* * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved * for implementation specific purposes and ignored by the @@ -559,6 +562,11 @@ static inline bool irq_domain_is_msi_par return domain->flags & IRQ_DOMAIN_FLAG_MSI_PARENT; } +static inline bool irq_domain_is_msi_device(struct irq_domain *domain) +{ + return domain->flags & IRQ_DOMAIN_FLAG_MSI_DEVICE; +} + #else /* CONFIG_IRQ_DOMAIN_HIERARCHY */ static inline int irq_domain_alloc_irqs(struct irq_domain *domain, unsigned int nr_irqs, int node, void *arg) @@ -609,6 +617,11 @@ static inline bool irq_domain_is_msi_par { return false; } + +static inline bool irq_domain_is_msi_device(struct irq_domain *domain) +{ + return false; +} #endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */