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| author | Mark Brown <broonie@kernel.org> | 2020-08-25 13:01:46 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-08-25 13:01:46 +0300 |
| commit | 3bec5b6aae830355e786e204b20a7cea38c3a8ed (patch) | |
| tree | fd597b87faf55ceb2a207ee94f4feca6276696db /drivers/pci/ats.c | |
| parent | a577f3456c0a2fac3dee037c483753e6e68f3e49 (diff) | |
| parent | d012a7190fc1fd72ed48911e77ca97ba4521bccd (diff) | |
| download | linux-3bec5b6aae830355e786e204b20a7cea38c3a8ed.tar.xz | |
Merge tag 'v5.9-rc2' into regulator-5.9
Linux 5.9-rc2
Diffstat (limited to 'drivers/pci/ats.c')
| -rw-r--r-- | drivers/pci/ats.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index b761c1f72f67..0d3719407b8b 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -188,7 +188,8 @@ void pci_pri_init(struct pci_dev *pdev) /** * pci_enable_pri - Enable PRI capability - * @ pdev: PCI device structure + * @pdev: PCI device structure + * @reqs: outstanding requests * * Returns 0 on success, negative value on error */ @@ -325,6 +326,21 @@ int pci_prg_resp_pasid_required(struct pci_dev *pdev) return pdev->pasid_required; } + +/** + * pci_pri_supported - Check if PRI is supported. + * @pdev: PCI device structure + * + * Returns true if PRI capability is present, false otherwise. + */ +bool pci_pri_supported(struct pci_dev *pdev) +{ + /* VFs share the PF PRI */ + if (pci_physfn(pdev)->pri_cap) + return true; + return false; +} +EXPORT_SYMBOL_GPL(pci_pri_supported); #endif /* CONFIG_PCI_PRI */ #ifdef CONFIG_PCI_PASID |