From nobody Thu Dec 18 13:01:50 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 25F07195B21; Fri, 14 Jun 2024 10:25:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718360721; cv=none; b=aaWbcK5/VslbSlsFMHDNlCJD5wLz2ltJ8aotInBS4G4j7Uglm3ldU8Xu0lbclIsKI/NQgB9yHGd3pzqLLiu2Mmsl5J+Osi4wtBbKLDFAQpJDIYaCGabKKQMmzBA4/cRl5+xcYH3pXfsOJKL9PaZt1tTjCwvyNGdU3wUhkCnv3C4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718360721; c=relaxed/simple; bh=VVyE2J8mEjfpFKgi+2wVYCGHx96Y+dCn6bhZztmIErM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=KfhOLch38OEMe3BlH9UtlbLZMFr0yJ9FL6d0NJMQJu5mXEK9ldFpO99bnGl5zfaZKvughioZzPMwRrjh45UhB5v4JAHQY6sR+2sAma0qC01Q7HmlUHRJvYexicGeiJGQNaf7pKtK2+WJQUkiqi9MSKDgph+oQ1mwHodVYlF/wMU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=MGIQcmcx; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=VvbDJc/H; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="MGIQcmcx"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="VvbDJc/H" From: Shivamurthy Shastri DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1718360718; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yikTSJu1poetWI4ECiHRreU60wKS8OeepPBXxI3d4d4=; b=MGIQcmcxZ0rfEOL3+Wbuv6rWLeI+IkHbRgAt8SmWjOpFBeC7eCmOOfr+MY0HrYhvbEeQGr qSXiXIX6elvE6UIS41eSqCYc0Z3lU/IPloK5/+Vng+aqojVuCFbMdvn8YPQbZAjg8E+UnB qPH+dCpISzJHo0G/qGuLNUTm9V9EPutV/XWwmbHIuBq2lXeyaifnpioIY4ZQlOZTgzL/q6 aAF/MiRkrZ9f/YsGlDET1nldnlBTI29Derm8XB4IfS1tiWZ1YnCc/R/qygFgCoDnkr+IjI NIZKCALshoigVJ7jf0ILSctll/mztWNLN1Y+0yu/8QhZQ084ae70gepdQGq+rQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1718360718; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yikTSJu1poetWI4ECiHRreU60wKS8OeepPBXxI3d4d4=; b=VvbDJc/HuaBSHK3ChIXMYo5r/ZQ36HBco0XgZFcuhZgdw2kMhglczLQ+0c4QIHWUkepK2f fEVpKnsx6s4HA5DA== To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, maz@kernel.org, tglx@linutronix.de, anna-maria@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, bhelgaas@google.com, rdunlap@infradead.org, vidyas@nvidia.com, ilpo.jarvinen@linux.intel.com, apatel@ventanamicro.com, kevin.tian@intel.com, nipun.gupta@amd.com, den@valinux.co.jp, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, gregkh@linuxfoundation.org, rafael@kernel.org, alex.williamson@redhat.com, will@kernel.org, lorenzo.pieralisi@arm.com, jgg@mellanox.com, ammarfaizi2@gnuweeb.org, robin.murphy@arm.com, lpieralisi@kernel.org, nm@ti.com, kristo@kernel.org, vkoul@kernel.org, okaya@kernel.org, agross@kernel.org, andersson@kernel.org, mark.rutland@arm.com, shameerali.kolothum.thodi@huawei.com, yuzenghui@huawei.com, shivamurthy.shastri@linutronix.de Subject: [PATCH v3 06/24] irqchip/irq-msi-lib: Prepare for PCI MSI/MSIX Date: Fri, 14 Jun 2024 12:23:45 +0200 Message-Id: <20240614102403.13610-7-shivamurthy.shastri@linutronix.de> In-Reply-To: <20240614102403.13610-1-shivamurthy.shastri@linutronix.de> References: <20240614102403.13610-1-shivamurthy.shastri@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Thomas Gleixner Add the bus tokens for DOMAIN_BUS_PCI_DEVICE_MSI and DOMAIN_BUS_PCI_DEVICE_MSIX to the common child init function. 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 Signed-off-by: Anna-Maria Behnsen Signed-off-by: Shivamurthy Shastri --- v3: removed pci_device_msi_mask_unmask_parent_enable call as there is no more global static key. --- drivers/irqchip/irq-msi-lib.c | 6 ++++++ drivers/irqchip/irq-msi-lib.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/irqchip/irq-msi-lib.c b/drivers/irqchip/irq-msi-lib.c index acbccf8f7f5b..0b359c5d8c6c 100644 --- a/drivers/irqchip/irq-msi-lib.c +++ b/drivers/irqchip/irq-msi-lib.c @@ -48,6 +48,12 @@ bool msi_lib_init_dev_msi_info(struct device *dev, struc= t irq_domain *domain, =20 /* 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; + + break; default: /* * This should never be reached. See diff --git a/drivers/irqchip/irq-msi-lib.h b/drivers/irqchip/irq-msi-lib.h index f0706cc28264..525aa5284a99 100644 --- a/drivers/irqchip/irq-msi-lib.h +++ b/drivers/irqchip/irq-msi-lib.h @@ -9,6 +9,12 @@ #include #include =20 +#ifdef CONFIG_PCI_MSI +#define MATCH_PCI_MSI BIT(DOMAIN_BUS_PCI_MSI) +#else +#define MATCH_PCI_MSI (0) +#endif + int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fws= pec, enum irq_domain_bus_token bus_token); =20 --=20 2.34.1