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| author |   Bjorn Helgaas <bhelgaas@google.com> | 2017-07-02 18:48:47 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-07-02 18:48:47 -0500 |
| commit | f9bfeccd6603484563b00462480c9b32f5ae43bd (patch) | |
| tree | 02007afd15934627b74a601daa4aa996d0e0df89 /include/linux/pci.h | |
| parent | Merge branch 'pci/dpc' into next (diff) | |
| parent | PCI: Enable ECRC only if device supports it (diff) | |
| download | wireguard-linux-f9bfeccd6603484563b00462480c9b32f5ae43bd.tar.xz wireguard-linux-f9bfeccd6603484563b00462480c9b32f5ae43bd.zip | |
Merge branch 'pci/enumeration' into next
* pci/enumeration:
PCI: Enable ECRC only if device supports it
PCI: Add sysfs max_link_speed/width, current_link_speed/width, etc
PCI: Test INTx masking during enumeration, not at run-time
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 33c2b0b77429..4f0613d5d2d9 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -366,7 +366,7 @@ struct pci_dev { unsigned int is_thunderbolt:1; /* Thunderbolt controller */ unsigned int __aer_firmware_first_valid:1; unsigned int __aer_firmware_first:1; - unsigned int broken_intx_masking:1; + unsigned int broken_intx_masking:1; /* INTx masking can't be used */ unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */ unsigned int irq_managed:1; unsigned int has_secondary_link:1; @@ -1003,6 +1003,15 @@ int __must_check pci_reenable_device(struct pci_dev *); int __must_check pcim_enable_device(struct pci_dev *pdev); void pcim_pin_device(struct pci_dev *pdev); +static inline bool pci_intx_mask_supported(struct pci_dev *pdev) +{ + /* + * INTx masking is supported if PCI_COMMAND_INTX_DISABLE is + * writable and no quirk has marked the feature broken. + */ + return !pdev->broken_intx_masking; +} + static inline int pci_is_enabled(struct pci_dev *pdev) { return (atomic_read(&pdev->enable_cnt) > 0); @@ -1026,7 +1035,6 @@ int __must_check pci_set_mwi(struct pci_dev *dev); int pci_try_set_mwi(struct pci_dev *dev); void pci_clear_mwi(struct pci_dev *dev); void pci_intx(struct pci_dev *dev, int enable); -bool pci_intx_mask_supported(struct pci_dev *dev); bool pci_check_and_mask_intx(struct pci_dev *dev); bool pci_check_and_unmask_intx(struct pci_dev *dev); int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask); |