phy_attach_direct – attach a network device to a given PHY device pointer Synopsis int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, u32 flags, phy_interface_t interface); Arguments dev network device to attach phydev Pointer to phy_device to attach flags PHY device’s dev_flags interface PHY device’s interface Description Called by drivers to attach to a particular PHY device….
phy_attach – attach a network device to a particular PHY device Synopsis struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, phy_interface_t interface); Arguments dev network device to attach bus_id Bus ID of PHY device to attach interface PHY device’s interface Description Same as phy_attach_direct except that a PHY bus_id string is passed instead of a…
phy_aneg_done – return auto-negotiation status Synopsis int phy_aneg_done(struct phy_device *phydev); Arguments phydev target phy_device struct Description Return the auto-negotiation status from this phydev Returns > 0 on success or < 0 on error. 0 means that auto-negotiation is still pending. Copyright
pcm_format_to_bits – Strong-typed conversion of pcm_format to bitwise Synopsis u64 pcm_format_to_bits(snd_pcm_format_t pcm_format); Arguments pcm_format PCM format Copyright
pcix_set_mmrbc – set PCI-X maximum memory read byte count Synopsis int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc); Arguments dev PCI device to query mmrbc maximum memory read count in bytes valid values are 512, 1024, 2048, 4096 Description If possible sets maximum memory read byte count, some bridges have erratas that prevent this. Copyright
pcix_get_mmrbc – get PCI-X maximum memory read byte count Synopsis int pcix_get_mmrbc(struct pci_dev *dev); Arguments dev PCI device to query Description Returns mmrbc: maximum memory read count in bytes or appropriate error value. Copyright
pcix_get_max_mmrbc – get PCI-X maximum designed memory read byte count Synopsis int pcix_get_max_mmrbc(struct pci_dev *dev); Arguments dev PCI device to query Description Returns mmrbc: maximum designed memory read count in bytes or appropriate error value. Copyright
pcim_pin_device – Pin managed PCI device Synopsis void pcim_pin_device(struct pci_dev *pdev); Arguments pdev PCI device to pin Description Pin managed PCI device pdev. Pinned device won’t be disabled on driver detach. pdev must have been enabled with pcim_enable_device. Copyright
pcim_enable_device – Managed pci_enable_device Synopsis int pcim_enable_device(struct pci_dev *pdev); Arguments pdev PCI device to be initialized Description Managed pci_enable_device. Copyright
pcie_set_readrq – set PCI Express maximum memory read request Synopsis int pcie_set_readrq(struct pci_dev *dev, int rq); Arguments dev PCI device to query rq maximum memory read count in bytes valid values are 128, 256, 512, 1024, 2048, 4096 Description If possible sets maximum memory read request in bytes Copyright
pcie_set_mps – set PCI Express maximum payload size Synopsis int pcie_set_mps(struct pci_dev *dev, int mps); Arguments dev PCI device to query mps maximum payload size in bytes valid values are 128, 256, 512, 1024, 2048, 4096 Description If possible sets maximum payload size Copyright
pcie_get_readrq – get PCI Express read request size Synopsis int pcie_get_readrq(struct pci_dev *dev); Arguments dev PCI device to query Description Returns maximum memory read request in bytes or appropriate error value. Copyright
pcie_get_mps – get PCI Express maximum payload size Synopsis int pcie_get_mps(struct pci_dev *dev); Arguments dev PCI device to query Description Returns maximum payload size in bytes Copyright
pcie_get_minimum_link – determine minimum link settings of a PCI device Synopsis int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed, enum pcie_link_width *width); Arguments dev PCI device to query speed storage for minimum speed width storage for minimum width Description This function will walk up the PCI device chain and determine the minimum link width and speed…
pci_write_vpd – Write entry to Vital Product Data Synopsis ssize_t pci_write_vpd(struct pci_dev * dev, loff_t pos, size_t count, const void * buf); Arguments dev pci device struct pos offset in vpd space count number of bytes to write buf buffer containing write data Copyright
pci_write_rom – used to enable access to the PCI ROM display Synopsis ssize_t pci_write_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 user input off file offset count number of byte in input Description writing anything except 0 enables it…
pci_write_legacy_io – write byte(s) to legacy I/O port space Synopsis ssize_t pci_write_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 containing value to be written off offset into legacy I/O port space count number…
pci_wake_from_d3 – enable/disable device to wake up from D3_hot or D3_cold Synopsis int pci_wake_from_d3(struct pci_dev *dev, bool enable); Arguments dev PCI device to prepare enable True to enable wake-up event generation; false to disable Description Many drivers want the device to wake up the system from D3_hot or D3_cold and this function allows them to…
pci_wait_for_pending_transaction – waits for pending transaction Synopsis int pci_wait_for_pending_transaction(struct pci_dev *dev); Arguments dev the PCI device to operate on Description Return 0 if transaction is pending 1 otherwise. Copyright
pci_vfs_assigned – returns number of VFs are assigned to a guest Synopsis int pci_vfs_assigned(struct pci_dev *dev); Arguments dev the PCI device Description Returns number of VFs belonging to this device that are assigned to a guest. If device is not a physical function returns 0. Copyright