From patchwork Tue Nov 12 13:26:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Wagner X-Patchwork-Id: 13872232 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 76BE0157494; Tue, 12 Nov 2024 13:26:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731418000; cv=none; b=RJEPtsEV5wkZWEkCsiVxty52vgV9mdDJK00HJF5JFiHvaUCngnf2z/ZSn7T3J3cNsBNNXfmwzTcB7323ixYNElDxWrxB8NO8ytFtaJI1W8JryVPT5PW/phm0VJzv4u+oYJLHGMIUuWp0thrfR/ZW2VGo9QUVpDFuMWLyuMxEm8s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731418000; c=relaxed/simple; bh=8c9yRiNz5l6j6ma+lUrUvRBWbUG9fNcB/XLsfuWbhOE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gCFK991NUJrMeg40hxqHMZ8EtyUqEKjwEuNRVZXmTovRt1UBLjaTADuY5CvdcQFPLVeYe1zLUXEPh0Ag4a/xwzLC5FWn19rBG1iNlbjBcXizsv6AhZxuTSe7FZsDLu9yvuoSe7NrHz1jfZ7jL6fGh4nVCHKnbhP4t5d4JzrWW5M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WF8qYi2p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WF8qYi2p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD4ADC4CED5; Tue, 12 Nov 2024 13:26:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731417999; bh=8c9yRiNz5l6j6ma+lUrUvRBWbUG9fNcB/XLsfuWbhOE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=WF8qYi2pzIBf0y54sQH9lmK5MdgbBym3p6VgwVSB9az4eQJUNihiXZHYuvpA0nkOk 7R3spOcB97zvmUjmb3PmSTgPqDRMIFAHMYd5LgfyJiJeb4FgtmKu6HVLQhHodUW7PJ JRDX8f+b3Uk/hJUHu7Cr6xD5NaT5+QR7rmDceoBlEf2SGDmLcxyCcDN0bFxMwGLPWY Qvq1cQf6sDzCO/kBTKVhy9fFXSPe7dTezWSBH9Sm8LpuIwienLYv5kEgefnxsxpUL3 QrvsIDCfvVK6GcBYlTxoQCPGePETggQ2sggtwivfG6rPTT+FurgcrgVXLI5vx6AS5N kP2uno8dbV+6A== From: Daniel Wagner Date: Tue, 12 Nov 2024 14:26:17 +0100 Subject: [PATCH v3 2/8] PCI: hookup irq_get_affinity callback Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241112-refactor-blk-affinity-helpers-v3-2-573bfca0cbd8@kernel.org> References: <20241112-refactor-blk-affinity-helpers-v3-0-573bfca0cbd8@kernel.org> In-Reply-To: <20241112-refactor-blk-affinity-helpers-v3-0-573bfca0cbd8@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 , Greg Kroah-Hartman 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 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 Signed-off-by: Daniel Wagner Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- 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..a9cb0e3ad2e6eca58c34683303b1242228e96909 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,