tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/xe/pf: Promote xe_pci_sriov_get_vf_pdev
In the upcoming patch we would like to use this private helper
during preparation of the sysfs links. Promote it.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patch.msgid.link/20251030222348.186658-15-michal.wajdeczko@intel.com
+24
-13
+23
-13
drivers/gpu/drm/xe/xe_pci_sriov.c
+23
-13
drivers/gpu/drm/xe/xe_pci_sriov.c
···
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xe_sriov_pf_control_reset_vf(xe, n);
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}
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-
static struct pci_dev *xe_pci_pf_get_vf_dev(struct xe_device *xe, unsigned int vf_id)
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{
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struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
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-
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xe_assert(xe, IS_SRIOV_PF(xe));
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-
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/* caller must use pci_dev_put() */
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return pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
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-
pdev->bus->number,
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pci_iov_virtfn_devfn(pdev, vf_id));
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}
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-
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static void pf_link_vfs(struct xe_device *xe, int num_vfs)
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{
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struct pci_dev *pdev_pf = to_pci_dev(xe->drm.dev);
···
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* enforce correct resume order.
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*/
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for (n = 1; n <= num_vfs; n++) {
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-
pdev_vf = xe_pci_pf_get_vf_dev(xe, n - 1);
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+
pdev_vf = xe_pci_sriov_get_vf_pdev(pdev_pf, n);
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/* unlikely, something weird is happening, abort */
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if (!pdev_vf) {
···
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xe_pm_runtime_put(xe);
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return ret;
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+
}
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+
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/**
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* xe_pci_sriov_get_vf_pdev() - Lookup the VF's PCI device using the VF identifier.
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* @pdev: the PF's &pci_dev
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* @vfid: VF identifier (1-based)
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*
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* The caller must decrement the reference count by calling pci_dev_put().
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*
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* Return: the VF's &pci_dev or NULL if the VF device was not found.
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*/
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struct pci_dev *xe_pci_sriov_get_vf_pdev(struct pci_dev *pdev, unsigned int vfid)
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{
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struct xe_device *xe = pdev_to_xe_device(pdev);
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+
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xe_assert(xe, dev_is_pf(&pdev->dev));
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xe_assert(xe, vfid);
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xe_assert(xe, vfid <= pci_sriov_get_totalvfs(pdev));
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+
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return pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
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pdev->bus->number,
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pci_iov_virtfn_devfn(pdev, vfid - 1));
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}
+1
drivers/gpu/drm/xe/xe_pci_sriov.h
+1
drivers/gpu/drm/xe/xe_pci_sriov.h