pci_probe_reset_bus – probe whether a PCI bus can be reset Synopsis int pci_probe_reset_bus(struct pci_bus *bus); Arguments bus PCI bus to probe Description Return 0 if bus can be reset, negative if a bus reset is not supported. Copyright
pci_prepare_to_sleep – prepare PCI device for system-wide transition into a sleep state Synopsis int pci_prepare_to_sleep(struct pci_dev *dev); Arguments dev Device to handle. Description Choose the power state appropriate for the device depending on whether it can wake up the system and/or is power manageable by the platform (PCI_D3hot is the default) and put the device…
pci_pme_capable – check the capability of PCI device to generate PME# Synopsis bool pci_pme_capable(struct pci_dev * dev, pci_power_t state); Arguments dev PCI device to handle. state PCI state from which device will issue PME#. Copyright
pci_pme_active – enable or disable PCI device’s PME# function Synopsis void pci_pme_active(struct pci_dev *dev, bool enable); Arguments dev PCI device to handle. enable ‘true’ to enable PME# generation; ‘false’ to disable it. Description The caller must verify that the device is capable of generating PME# before calling this function with enable equal to ‘true’. Copyright
pci_platform_rom – provides a pointer to any ROM image provided by the platform Synopsis void __iomem *pci_platform_rom(struct pci_dev *pdev, size_t *size); Arguments pdev pointer to pci device struct size pointer to receive size of pci window over ROM Copyright
pci_num_vf – return number of VFs associated with a PF device_release_driver Synopsis int pci_num_vf(struct pci_dev *dev); Arguments dev the PCI device Description Returns number of VFs, or 0 if SR-IOV is not enabled. Copyright
pci_msix_vec_count – return the number of device’s MSI-X table entries Synopsis int pci_msix_vec_count(struct pci_dev *dev); Arguments dev pointer to the pci_dev data structure of MSI-X device function This function returns the number of device’s MSI-X table entries and therefore the number of MSI-X vectors device is capable of sending. It returns a negative errno if…
pci_msi_vec_count – Return the number of MSI vectors a device can send Synopsis int pci_msi_vec_count(struct pci_dev *dev); Arguments dev device to report about Description This function returns the number of MSI vectors a device requested via Multiple Message Capable register. It returns a negative errno if the device is not capable sending MSI interrupts. Otherwise,…
pci_msi_unmask_irq – Generic irq chip callback to unmask PCI/MSI interrupts Synopsis void pci_msi_unmask_irq(struct irq_data *data); Arguments data pointer to irqdata associated to that interrupt Copyright
pci_msi_mask_irq – Generic irq chip callback to mask PCI/MSI interrupts Synopsis void pci_msi_mask_irq(struct irq_data *data); Arguments data pointer to irqdata associated to that interrupt Copyright
pci_msi_enabled – is MSI enabled? Synopsis int pci_msi_enabled(void); Arguments void no arguments Description Returns true if MSI has not been disabled by the command-line option pci=nomsi. Copyright
pci_msi_create_irq_domain – Create a MSI interrupt domain Synopsis struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, struct msi_domain_info *info, struct irq_domain *parent); Arguments fwnode Optional fwnode of the interrupt controller info MSI domain info parent Parent irq domain Description Updates the domain and chip ops and creates a MSI interrupt domain. Return A domain pointer or NULL in…
pci_mmap_resource – map a PCI resource into user memory space Synopsis int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, struct vm_area_struct *vma, int write_combine); Arguments kobj kobject for mapping attr struct bin_attribute for the file being mapped vma struct vm_area_struct passed into the mmap write_combine 1 for write_combine mapping Description Use the regular PCI mapping routines…
pci_mmap_legacy_mem – map legacy PCI memory into user memory space Synopsis int pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, struct vm_area_struct *vma); Arguments filp open sysfs file kobj kobject corresponding to device to be mapped attr struct bin_attribute for this file vma struct vm_area_struct passed to mmap Description Uses an arch specific callback,…
pci_mmap_legacy_io – map legacy PCI IO into user memory space Synopsis int pci_mmap_legacy_io(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, struct vm_area_struct *vma); Arguments filp open sysfs file kobj kobject corresponding to device to be mapped attr struct bin_attribute for this file vma struct vm_area_struct passed to mmap Description Uses an arch specific callback,…
pci_match_id – See if a pci device matches a given pci_id table Synopsis const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev); Arguments ids array of PCI device id structures to search in dev the PCI device structure to match against. Description Used by a driver to check whether a PCI device present in…
pci_map_rom – map a PCI ROM to kernel space Synopsis void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size); Arguments pdev pointer to pci device struct size pointer to receive size of pci window over ROM Return kernel virtual pointer to image of ROM Map a PCI ROM into kernel space. If ROM is boot video ROM,…
pci_lost_interrupt – reports a lost PCI interrupt Synopsis enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev * pdev); Arguments pdev device whose interrupt is lost Description The primary function of this routine is to report a lost interrupt in a standard way which users can recognise (instead of blaming the driver). Return a suggestion for fixing it (although the driver is…
pci_load_saved_state – Reload the provided save state into struct pci_dev. Synopsis int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state); Arguments dev PCI device that we’re dealing with state Saved state returned from pci_store_saved_state Copyright
pci_load_and_free_saved_state – Reload the save state pointed to by state, and free the memory allocated for it. Synopsis int pci_load_and_free_saved_state(struct pci_dev *dev, struct pci_saved_state **state); Arguments dev PCI device that we’re dealing with state Pointer to saved state returned from pci_store_saved_state Copyright