diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 05e68f35f392..59876de13860 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -328,6 +328,11 @@ struct rcec_ea; * determined (e.g., for Root Complex Integrated * Endpoints without the relevant Capability * Registers). + * @is_hotplug_bridge: Hotplug bridge of any kind (e.g. PCIe Hot-Plug Capable, + * Conventional PCI Hot-Plug, ACPI slot). + * Such bridges are allocated additional MMIO and bus + * number resources to allow for hierarchy expansion. + * @is_pciehp: PCIe Hot-Plug Capable bridge. */ struct pci_dev { struct list_head bus_list; /* Node in per-bus list */ @@ -451,6 +456,7 @@ struct pci_dev { unsigned int is_physfn:1; unsigned int is_virtfn:1; unsigned int is_hotplug_bridge:1; + unsigned int is_pciehp:1; unsigned int shpc_managed:1; /* SHPC owned by shpchp */ unsigned int is_thunderbolt:1; /* Thunderbolt controller */ /* @@ -744,6 +750,21 @@ static inline bool pci_is_vga(struct pci_dev *pdev) return false; } +/** + * pci_is_display - check if the PCI device is a display controller + * @pdev: PCI device + * + * Determine whether the given PCI device corresponds to a display + * controller. Display controllers are typically used for graphical output + * and are identified based on their class code. + * + * Return: true if the PCI device is a display controller, false otherwise. + */ +static inline bool pci_is_display(struct pci_dev *pdev) +{ + return (pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY; +} + #define for_each_pci_bridge(dev, bus) \ list_for_each_entry(dev, &bus->devices, bus_list) \ if (!pci_is_bridge(dev)) {} else @@ -2438,6 +2459,8 @@ int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs); int pci_sriov_get_totalvfs(struct pci_dev *dev); int pci_sriov_configure_simple(struct pci_dev *dev, int nr_virtfn); resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno); +int pci_iov_vf_bar_set_size(struct pci_dev *dev, int resno, int size); +u32 pci_iov_vf_bar_get_sizes(struct pci_dev *dev, int resno, int num_vfs); void pci_vf_drivers_autoprobe(struct pci_dev *dev, bool probe); /* Arch may override these (weak) */ @@ -2490,6 +2513,10 @@ static inline int pci_sriov_get_totalvfs(struct pci_dev *dev) #define pci_sriov_configure_simple NULL static inline resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno) { return 0; } +static inline int pci_iov_vf_bar_set_size(struct pci_dev *dev, int resno, int size) +{ return -ENODEV; } +static inline u32 pci_iov_vf_bar_get_sizes(struct pci_dev *dev, int resno, int num_vfs) +{ return 0; } static inline void pci_vf_drivers_autoprobe(struct pci_dev *dev, bool probe) { } #endif |