From: "Liu, Yi L" <yi.l.liu@intel.com>
To: Alex Williamson <alex.williamson@redhat.com>,
"Tian, Kevin" <kevin.tian@intel.com>
Cc: "jgg@nvidia.com" <jgg@nvidia.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
"cohuck@redhat.com" <cohuck@redhat.com>,
"eric.auger@redhat.com" <eric.auger@redhat.com>,
"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
"chao.p.peng@linux.intel.com" <chao.p.peng@linux.intel.com>,
"yi.y.sun@linux.intel.com" <yi.y.sun@linux.intel.com>,
"peterx@redhat.com" <peterx@redhat.com>,
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"shameerali.kolothum.thodi@huawei.com"
<shameerali.kolothum.thodi@huawei.com>,
"lulu@redhat.com" <lulu@redhat.com>,
"suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
"intel-gvt-dev@lists.freedesktop.org"
<intel-gvt-dev@lists.freedesktop.org>,
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"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"Hao, Xudong" <xudong.hao@intel.com>,
"Zhao, Yan Y" <yan.y.zhao@intel.com>,
"Xu, Terrence" <terrence.xu@intel.com>,
"Jiang, Yanting" <yanting.jiang@intel.com>
Subject: RE: [PATCH v2 10/10] vfio/pci: Add VFIO_DEVICE_GET_PCI_HOT_RESET_GROUP_INFO
Date: Thu, 30 Mar 2023 12:56:02 +0000 [thread overview]
Message-ID: <DS0PR11MB7529EF6CE101CBC90CB5DE7FC38E9@DS0PR11MB7529.namprd11.prod.outlook.com> (raw)
In-Reply-To: <DS0PR11MB75298AF9A9ACAEBDD5D445ECC38E9@DS0PR11MB7529.namprd11.prod.outlook.com>
> From: Liu, Yi L <yi.l.liu@intel.com>
> Sent: Thursday, March 30, 2023 8:48 PM
> if (fill->cur == fill->max)
> return -EAGAIN; /* Something changed, try again */
> @@ -791,7 +812,24 @@ static int vfio_pci_fill_devs(struct pci_dev *pdev, void *data)
> if (!iommu_group)
> return -EPERM; /* Cannot reset non-isolated devices */
>
> - fill->devices[fill->cur].group_id = iommu_group_id(iommu_group);
> + /*
> + * If dev_id is needed, fill in the dev_id field, otherwise
> + * fill in group_id.
> + */
> + if (fill->require_devid) {
> + /*
> + * Report the devices that are opened as cdev and have
> + * the same iommufd with the fill->iommufd. Otherwise,
> + * just fill in an IOMMUFD_INVALID_ID.
> + */
> + vdev = vfio_pci_find_device_in_devset(dev_set, pdev);
> + if (vdev && !vfio_device_cdev_opened(vdev) &&
a typo..it should be
if (vdev && vfio_device_cdev_opened(vdev) &&
> + fill->iommufd == vfio_iommufd_physical_ictx(vdev))
> + vfio_iommufd_physical_devid(vdev, &fill->devices[fill-
> >cur].dev_id);
> + fill->devices[fill->cur].dev_id = IOMMUFD_INVALID_ID;
> + } else {
> + fill->devices[fill->cur].group_id = iommu_group_id(iommu_group);
> + }
> fill->devices[fill->cur].segment = pci_domain_nr(pdev->bus);
> fill->devices[fill->cur].bus = pdev->bus->number;
> fill->devices[fill->cur].devfn = pdev->devfn;
Regards,
Yi Liu
next prev parent reply other threads:[~2023-03-30 12:56 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 9:34 [PATCH v2 00/10] Introduce new methods for verifying ownership in vfio PCI hot reset Yi Liu
2023-03-27 9:34 ` [PATCH v2 01/10] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset() Yi Liu
2023-03-27 9:34 ` [PATCH v2 02/10] vfio/pci: Only check ownership of opened devices in hot reset Yi Liu
2023-03-27 9:34 ` [PATCH v2 03/10] vfio/pci: Move the existing hot reset logic to be a helper Yi Liu
2023-03-30 23:39 ` Jason Gunthorpe
2023-03-30 23:44 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 04/10] vfio-iommufd: Add helper to retrieve iommufd_ctx and devid for vfio_device Yi Liu
2023-03-30 23:44 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 05/10] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET Yi Liu
2023-03-30 23:47 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 06/10] vfio: Refine vfio file kAPIs for vfio PCI hot reset Yi Liu
2023-03-30 23:48 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 07/10] vfio: Accpet device file from vfio PCI hot reset path Yi Liu
2023-03-30 23:49 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 08/10] vfio/pci: Renaming for accepting device fd in " Yi Liu
2023-03-27 9:34 ` [PATCH v2 09/10] vfio/pci: Accept device fd in VFIO_DEVICE_PCI_HOT_RESET ioctl Yi Liu
2023-03-30 23:50 ` Jason Gunthorpe
2023-03-27 9:34 ` [PATCH v2 10/10] vfio/pci: Add VFIO_DEVICE_GET_PCI_HOT_RESET_GROUP_INFO Yi Liu
2023-03-27 19:26 ` Alex Williamson
2023-03-27 20:40 ` Alex Williamson
2023-03-28 3:45 ` Liu, Yi L
2023-03-28 3:32 ` Liu, Yi L
2023-03-28 6:19 ` Tian, Kevin
2023-03-28 14:25 ` Alex Williamson
2023-03-28 14:38 ` Liu, Yi L
2023-03-28 14:46 ` Alex Williamson
2023-03-28 15:00 ` Liu, Yi L
2023-03-28 15:18 ` Alex Williamson
2023-03-28 15:45 ` Liu, Yi L
2023-03-28 16:00 ` Alex Williamson
2023-03-29 3:13 ` Liu, Yi L
2023-03-29 9:41 ` Tian, Kevin
2023-03-29 15:49 ` Alex Williamson
2023-03-29 15:57 ` Jason Gunthorpe
2023-03-30 1:17 ` Tian, Kevin
2023-03-30 22:38 ` Jason Gunthorpe
2023-03-30 12:48 ` Liu, Yi L
2023-03-30 12:56 ` Liu, Yi L [this message]
2023-03-30 22:44 ` Jason Gunthorpe
2023-03-30 23:05 ` Alex Williamson
2023-03-30 23:18 ` Jason Gunthorpe
2023-03-29 15:50 ` Jason Gunthorpe
2023-03-30 1:10 ` Tian, Kevin
2023-03-30 1:33 ` Tian, Kevin
2023-03-28 16:29 ` Jason Gunthorpe
2023-03-28 19:09 ` Alex Williamson
2023-03-28 19:22 ` Jason Gunthorpe
2023-03-28 12:40 ` Jason Gunthorpe
2023-03-28 14:45 ` Liu, Yi L
2023-03-31 3:14 ` [PATCH v2 00/10] Introduce new methods for verifying ownership in vfio PCI hot reset Jiang, Yanting
2023-03-31 13:24 ` Alex Williamson
2023-04-03 2:04 ` Jiang, Yanting
2023-03-31 5:01 ` Jiang, Yanting
2023-03-31 17:27 ` Xu, Terrence
2023-03-31 17:49 ` Alex Williamson
2023-04-01 9:15 ` Xu, Terrence
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