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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 07273D78327 for ; Mon, 2 Dec 2024 14:02:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yX46BcerRd35uVyhIrxpMAuXRID1aO6PRtofNLjF+Zo=; b=CvoMKhTWpJwNyw7/gNXPepHtsV urvllH0n12/zvRjLimIOB+nBPlhH/Ys8HleE3LCdzcVSj5ek+95raQev+dSVXcAuFRVyx68OqI70a cL1uMywfQc85phAdkHPegmuJ+Kw9D00jxOeKgSXC5WM1hhKCUV2qtyEdvpm6mwT4Tk6keVO1QkYhv W2bkYKQdMH4RwD6ZZQf1fs57ysSNZME+0QnfA2X9uQQy/Z/cgjwdeZS5pl73C8ixKUeS/Zb0jkNxb opJja9qICYnPSay3gcNHW5ld58ULi1NwTSpfg+hPNbmvgzNFOURm+c37pmFF8YjrubdlyKQ2Wbxyo 2Fds/WTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tI70b-00000006KtL-15DJ; Mon, 02 Dec 2024 14:02:41 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tI6yX-00000006KNt-0WCd for linux-nvme@lists.infradead.org; Mon, 02 Dec 2024 14:00:34 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6FA085C54FE; Mon, 2 Dec 2024 13:59:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4E82C4CEDA; Mon, 2 Dec 2024 14:00:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733148032; bh=QwopfMBlIpOJKvr84RlumMLTnY5y/KlMMcdWguS43pQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=vILuAv9kzZEUUbo+6bQQUIEj33xabc+2LPXE6xcQkvqMHgAH1aBdy133YS7lnQ3pS K+w6AftighOsw6MS+9LjK1bZ3HSL8jweR9lZXIlSkTo26bG04HRjhKDx9Oij+ZUd7J AesheAr3s/QFZE5BKlg2eMc51l/05nqFiGXMlZMvPhEX8g8EIyIyYei1t6q+khXwqJ xTRlQlqKiHxMerLC1PkozpmEC1pAqP6/mB0DKw1MoYxSqvih78jjaB3LcgImkT+Ui6 EazyrShhcg612YOUxJCu4y2IMEQdXdQScRtVeneX+OQ6Wby5k2JrKsTnRiZW5vsicW Bb7nC1Mn34Z0w== From: Daniel Wagner Date: Mon, 02 Dec 2024 15:00:10 +0100 Subject: [PATCH v6 2/8] PCI: hookup irq_get_affinity callback MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241202-refactor-blk-affinity-helpers-v6-2-27211e9c2cd5@kernel.org> References: <20241202-refactor-blk-affinity-helpers-v6-0-27211e9c2cd5@kernel.org> In-Reply-To: <20241202-refactor-blk-affinity-helpers-v6-0-27211e9c2cd5@kernel.org> To: Jens Axboe , Bjorn Helgaas , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , "Martin K. Petersen" , Keith Busch , Christoph Hellwig , Sagi Grimberg , John Garry , Greg Kroah-Hartman , Hannes Reinecke , Ming Lei Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, virtualization@lists.linux.dev, linux-scsi@vger.kernel.org, megaraidlinux.pdl@broadcom.com, mpi3mr-linuxdrv.pdl@broadcom.com, MPT-FusionLinux.pdl@broadcom.com, storagedev@microchip.com, linux-nvme@lists.infradead.org, Daniel Wagner X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241202_060033_206478_17D363DC X-CRM114-Status: GOOD ( 12.39 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org struct bus_type has a new callback for retrieving the IRQ affinity for a device. Hook this callback up for PCI based devices. Acked-by: Bjorn Helgaas Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Reviewed-by: Ming Lei Reviewed-by: John Garry Signed-off-by: Daniel Wagner --- drivers/pci/pci-driver.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 35270172c833186995aebdda6f95ab3ffd7c67a0..f57ea36d125d6eecfb60a6dc84d189cf9ed9b423 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1670,6 +1670,19 @@ static void pci_dma_cleanup(struct device *dev) iommu_device_unuse_default_domain(dev); } +/* + * pci_device_irq_get_affinity - get IRQ affinity mask for device + * @dev: ptr to dev structure + * @irq_vec: interrupt vector number + * + * Return the CPU affinity mask for @dev and @irq_vec. + */ +static const struct cpumask *pci_device_irq_get_affinity(struct device *dev, + unsigned int irq_vec) +{ + return pci_irq_get_affinity(to_pci_dev(dev), irq_vec); +} + const struct bus_type pci_bus_type = { .name = "pci", .match = pci_bus_match, @@ -1677,6 +1690,7 @@ const struct bus_type pci_bus_type = { .probe = pci_device_probe, .remove = pci_device_remove, .shutdown = pci_device_shutdown, + .irq_get_affinity = pci_device_irq_get_affinity, .dev_groups = pci_dev_groups, .bus_groups = pci_bus_groups, .drv_groups = pci_drv_groups, -- 2.47.0