From: Nicolin Chen <nicolinc@nvidia.com>
To: <robin.murphy@arm.com>, <joro@8bytes.org>, <afael@kernel.org>,
<bhelgaas@google.com>, <alex@shazbot.org>, <jgg@nvidia.com>,
<kevin.tian@intel.com>
Cc: <will@kernel.org>, <lenb@kernel.org>, <baolu.lu@linux.intel.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
<linux-pci@vger.kernel.org>, <kvm@vger.kernel.org>,
<patches@lists.linux.dev>, <pjaroszynski@nvidia.com>,
<vsethi@nvidia.com>, <helgaas@kernel.org>, <etzhao1900@gmail.com>
Subject: Re: [PATCH v6 4/5] iommu: Introduce pci_dev_reset_iommu_prepare/done()
Date: Tue, 18 Nov 2025 18:56:33 -0800 [thread overview]
Message-ID: <aR0x4b7fN22K36jR@Asurada-Nvidia> (raw)
In-Reply-To: <246a652600f2ba510354a1a670fa1177280528be.1763512374.git.nicolinc@nvidia.com>
On Tue, Nov 18, 2025 at 04:52:10PM -0800, Nicolin Chen wrote:
> +/* PCI device reset functions */
> +int pci_dev_reset_iommu_prepare(struct pci_dev *pdev);
> +void pci_dev_reset_iommu_done(struct pci_dev *pdev);
> #else /* CONFIG_IOMMU_API */
>
> struct iommu_ops {};
> @@ -1509,6 +1513,15 @@ static inline ioasid_t iommu_alloc_global_pasid(struct device *dev)
> }
>
> static inline void iommu_free_global_pasid(ioasid_t pasid) {}
> +
> +static inline int pci_dev_reset_iommu_prepare(struct device *dev)
> +{
> + return 0;
> +}
> +
> +static inline void pci_dev_reset_iommu_done(struct device *dev)
Ah, I forgot to update these two using struct pci_dev..
Will fix this in v7.
Nicolin
next prev parent reply other threads:[~2025-11-19 2:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-19 0:52 [PATCH v6 0/5] Disable ATS via iommu during PCI resets Nicolin Chen
2025-11-19 0:52 ` [PATCH v6 1/5] iommu: Lock group->mutex in iommu_deferred_attach() Nicolin Chen
2025-11-19 0:52 ` [PATCH v6 2/5] iommu: Tidy domain for iommu_setup_dma_ops() Nicolin Chen
2025-11-19 0:52 ` [PATCH v6 3/5] iommu: Add iommu_driver_get_domain_for_dev() helper Nicolin Chen
2025-11-19 0:52 ` [PATCH v6 4/5] iommu: Introduce pci_dev_reset_iommu_prepare/done() Nicolin Chen
2025-11-19 2:56 ` Nicolin Chen [this message]
2025-11-21 7:59 ` Tian, Kevin
2025-11-19 0:52 ` [PATCH v6 5/5] PCI: Suspend iommu function prior to resetting a device Nicolin Chen
2025-11-19 2:29 ` kernel test robot
2025-11-19 3:03 ` kernel test robot
2025-11-21 7:59 ` Tian, Kevin
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