pci_irq_vector – return Linux IRQ number of a device vector Synopsis int pci_irq_vector(struct pci_dev *dev, unsigned int nr); Arguments dev PCI device to operate on nr device-relative interrupt vector index (0-based). Copyright
pci_irq_get_affinity – return the affinity of a particular msi vector Synopsis const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr); Arguments dev PCI device to operate on nr device-relative interrupt vector index (0-based). Copyright
pci_iomap_wc_range – create a virtual WC mapping cookie for a PCI BAR Synopsis void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, unsigned long offset, unsigned long maxlen); Arguments dev PCI device that owns the BAR bar BAR number offset map memory at the given offset in BAR maxlen max length of the memory to map Description…
pci_iomap_wc – create a virtual WC mapping cookie for a PCI BAR Synopsis void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long maxlen); Arguments dev PCI device that owns the BAR bar BAR number maxlen length of the memory to map Description Using this function you will get a __iomem address to your device BAR….
pci_iomap_range – create a virtual mapping cookie for a PCI BAR Synopsis void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, unsigned long offset, unsigned long maxlen); Arguments dev PCI device that owns the BAR bar BAR number offset map memory at the given offset in BAR maxlen max length of the memory to map Description Using…
pci_iomap – create a virtual mapping cookie for a PCI BAR Synopsis void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen); Arguments dev PCI device that owns the BAR bar BAR number maxlen length of the memory to map Description Using this function you will get a __iomem address to your device BAR. You…
pci_intx_mask_supported – probe for INTx masking support Synopsis bool pci_intx_mask_supported(struct pci_dev * dev); Arguments dev the PCI device to operate on Description Check if the device dev support INTx masking via the config space command word. Copyright
pci_intx – enables/disables PCI INTx for device dev Synopsis void pci_intx(struct pci_dev *pdev, int enable); Arguments pdev the PCI device to operate on enable boolean: whether to enable or disable PCI INTx Description Enables/disables PCI INTx for device dev Copyright
pci_hp_remove_module_link – remove symbolic link to the hotplug driver module. Synopsis void pci_hp_remove_module_link(struct pci_slot *pci_slot); Arguments pci_slot struct pci_slot Description Helper function for pci_hotplug_core.c to remove symbolic link to the hotplug driver module. Copyright
pci_hp_deregister – deregister a hotplug_slot with the PCI hotplug subsystem Synopsis int pci_hp_deregister(struct hotplug_slot *slot); Arguments slot pointer to the struct hotplug_slot to deregister Description The slot must have been registered with the pci hotplug subsystem previously with a call to pci_hp_register. Returns 0 if successful, anything else for an error. Copyright
pci_hp_create_module_link – create symbolic link to the hotplug driver module. Synopsis void pci_hp_create_module_link(struct pci_slot *pci_slot); Arguments pci_slot struct pci_slot Description Helper function for pci_hotplug_core.c to create symbolic link to the hotplug driver module. Copyright
pci_hp_change_slot_info – changes the slot’s information structure in the core Synopsis int pci_hp_change_slot_info(struct hotplug_slot *slot, struct hotplug_slot_info *info); Arguments slot pointer to the slot whose info has changed info pointer to the info copy into the slot’s info structure Description slot must have been registered with the pci hotplug subsystem previously with a call to…
pci_get_subsys – begin or continue searching for a PCI device by vendor/subvendor/device/subdevice id Synopsis struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device, unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from); Arguments vendor PCI vendor id to match, or PCI_ANY_ID to match all vendor ids device PCI device id to match, or PCI_ANY_ID to match…
pci_get_slot – locate PCI device for a given PCI slot Synopsis struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn); Arguments bus PCI bus on which desired PCI device resides devfn encodes number of PCI slot in which the desired PCI device resides and the logical device number within that slot in case of multi-function devices….
pci_get_domain_bus_and_slot – locate PCI device for a given PCI domain (segment), bus, and slot Synopsis struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus, unsigned int devfn); Arguments domain PCI domain/segment on which the PCI device resides. bus PCI bus on which desired PCI device resides devfn encodes number of PCI slot in which the desired PCI…
pci_get_device – begin or continue searching for a PCI device by vendor/device id Synopsis struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from); Arguments vendor PCI vendor id to match, or PCI_ANY_ID to match all vendor ids device PCI device id to match, or PCI_ANY_ID to match all device ids from Previous PCI…
pci_get_class – begin or continue searching for a PCI device by class Synopsis struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from); Arguments class search for a PCI device with this class designation from Previous PCI device found in search, or NULL for new search. Description Iterates through the list of known PCI devices. If a…
pci_free_irq_vectors – free previously allocated IRQs for a device Synopsis void pci_free_irq_vectors(struct pci_dev *dev); Arguments dev PCI device to operate on Description Undoes the allocations and enabling in pci_alloc_irq_vectors. Copyright
pci_find_resource – Return matching PCI device resource Synopsis struct resource *pci_find_resource(struct pci_dev *dev, struct resource *res); Arguments dev PCI device to query res Resource to look for Description Goes over standard PCI resources (BARs) and checks if the given resource is partially or fully contained in any of them. In that case the matching resource…
pci_find_pcie_root_port – return PCIe Root Port Synopsis struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev); Arguments dev PCI device to query Description Traverse up the parent chain and return the PCIe Root Port PCI Device for a given PCI Device. Copyright