diff options
Diffstat (limited to 'drivers/iommu/iommufd/fault.c')
| -rw-r--r-- | drivers/iommu/iommufd/fault.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/iommu/iommufd/fault.c b/drivers/iommu/iommufd/fault.c index a643d5c7c535..053b0e30f55a 100644 --- a/drivers/iommu/iommufd/fault.c +++ b/drivers/iommu/iommufd/fault.c @@ -3,14 +3,15 @@ */ #define pr_fmt(fmt) "iommufd: " fmt +#include <linux/anon_inodes.h> #include <linux/file.h> #include <linux/fs.h> +#include <linux/iommufd.h> #include <linux/module.h> #include <linux/mutex.h> -#include <linux/iommufd.h> #include <linux/pci.h> +#include <linux/pci-ats.h> #include <linux/poll.h> -#include <linux/anon_inodes.h> #include <uapi/linux/iommufd.h> #include "../iommu-priv.h" @@ -27,8 +28,12 @@ static int iommufd_fault_iopf_enable(struct iommufd_device *idev) * resource between PF and VFs. There is no coordination for this * shared capability. This waits for a vPRI reset to recover. */ - if (dev_is_pci(dev) && to_pci_dev(dev)->is_virtfn) - return -EINVAL; + if (dev_is_pci(dev)) { + struct pci_dev *pdev = to_pci_dev(dev); + + if (pdev->is_virtfn && pci_pri_supported(pdev)) + return -EINVAL; + } mutex_lock(&idev->iopf_lock); /* Device iopf has already been on. */ @@ -161,7 +166,6 @@ static int __fault_domain_replace_dev(struct iommufd_device *idev, if (!handle) return -ENOMEM; - handle->handle.domain = hwpt->domain; handle->idev = idev; ret = iommu_replace_group_handle(idev->igroup->group, hwpt->domain, &handle->handle); @@ -361,7 +365,6 @@ static const struct file_operations iommufd_fault_fops = { .write = iommufd_fault_fops_write, .poll = iommufd_fault_fops_poll, .release = iommufd_fault_fops_release, - .llseek = no_llseek, }; int iommufd_fault_alloc(struct iommufd_ucmd *ucmd) |