pci_request_regions_exclusive – Reserved PCI I/O and memory resources Synopsis int pci_request_regions_exclusive(struct pci_dev *pdev, const char *res_name); Arguments pdev PCI device whose resources are to be reserved res_name Name to be associated with resource. Description Mark all PCI regions associated with PCI device pdev as being reserved by owner res_name. Do not access any address inside…
pci_request_regions – Reserved PCI I/O and memory resources Synopsis int pci_request_regions(struct pci_dev *pdev, const char *res_name); Arguments pdev PCI device whose resources are to be reserved res_name Name to be associated with resource. Description Mark all PCI regions associated with PCI device pdev as being reserved by owner res_name. Do not access any address inside…
pci_request_region_exclusive – Reserved PCI I/O and memory resource Synopsis int pci_request_region_exclusive(struct pci_dev *pdev, int bar, const char *res_name); Arguments pdev PCI device whose resources are to be reserved bar BAR to be reserved res_name Name to be associated with resource. Description Mark the PCI region associated with PCI device pdev BR bar as being reserved…
pci_request_region – Reserve PCI I/O and memory resource Synopsis int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name); Arguments pdev PCI device whose resources are to be reserved bar BAR to be reserved res_name Name to be associated with resource Description Mark the PCI region associated with PCI device pdev BAR bar as being reserved…
pci_remove_sysfs_dev_files – cleanup PCI specific sysfs files Synopsis void pci_remove_sysfs_dev_files(struct pci_dev *pdev); Arguments pdev device whose entries we should free Description Cleanup when pdev is removed from sysfs. Copyright
pci_remove_resource_files – cleanup resource files Synopsis void pci_remove_resource_files(struct pci_dev *pdev); Arguments pdev dev to cleanup Description If we created resource files for pdev, remove them from sysfs and free their resources. Copyright
pci_release_selected_regions – Release selected PCI I/O and memory resources Synopsis void pci_release_selected_regions(struct pci_dev *pdev, int bars); Arguments pdev PCI device whose resources were previously reserved bars Bitmask of BARs to be released Description Release selected PCI I/O and memory resources previously reserved. Call this function only after all use of the PCI regions has ceased….
pci_release_regions – Release reserved PCI I/O and memory resources Synopsis void pci_release_regions(struct pci_dev *pdev); Arguments pdev PCI device whose resources were previously reserved by pci_request_regions Description Releases all PCI I/O and memory resources previously reserved by a successful call to pci_request_regions. Call this function only after all use of the PCI regions has ceased. Copyright
pci_release_region – Release a PCI bar Synopsis void pci_release_region(struct pci_dev *pdev, int bar); Arguments pdev PCI device whose resources were previously reserved by pci_request_region bar BAR to release Description Releases the PCI I/O and memory resources previously reserved by a successful call to pci_request_region. Call this function only after all use of the PCI regions…
pci_reenable_device – Resume abandoned device Synopsis int pci_reenable_device(struct pci_dev *dev); Arguments dev PCI device to be resumed Description Note this function is a backend of pci_default_resume and is not supposed to be called by normal code, write proper resume handler and use it instead. Copyright
pci_read_vpd – Read one entry from Vital Product Data Synopsis ssize_t pci_read_vpd(struct pci_dev * dev, loff_t pos, size_t count, void * buf); Arguments dev pci device struct pos offset in vpd space count number of bytes to read buf pointer to where to store result Copyright
pci_read_rom – read a PCI ROM Synopsis ssize_t pci_read_rom(struct file * filp, struct kobject * kobj, struct bin_attribute * bin_attr, char * buf, loff_t off, size_t count); Arguments filp sysfs file kobj kernel object handle bin_attr struct bin_attribute for this file buf where to put the data we read from the ROM off file offset count number of bytes to read Description Put count bytes…
pci_read_legacy_io – read byte(s) from legacy I/O port space Synopsis ssize_t pci_read_legacy_io(struct file * filp, struct kobject * kobj, struct bin_attribute * bin_attr, char * buf, loff_t off, size_t count); Arguments filp open sysfs file kobj kobject corresponding to file to read from bin_attr struct bin_attribute for this file buf buffer to store results off offset into legacy I/O port space count number of bytes…
pci_probe_reset_slot – probe whether a PCI slot can be reset Synopsis int pci_probe_reset_slot(struct pci_slot *slot); Arguments slot PCI slot to probe Description Return 0 if slot can be reset, negative if a slot reset is not supported. Copyright
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