posix_unblock_lock – stop waiting for a file lock Synopsis int posix_unblock_lock(struct file_lock *waiter); Arguments waiter the lock which was waiting Description lockd needs to block waiting for locks. Copyright
posix_lock_inode_wait – Apply a POSIX-style lock to a file Synopsis int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl); Arguments inode inode of file to which lock request should be applied fl The lock to be applied Description Apply a POSIX style lock request to an inode. Copyright
posix_lock_file – Apply a POSIX-style lock to a file Synopsis int posix_lock_file(struct file *filp, struct file_lock *fl, struct file_lock *conflock); Arguments filp The file to apply the lock to fl The lock to be applied conflock Place to return a copy of the conflicting lock, if found. Description Add a POSIX style lock to a…
pipe_buf_steal – attempt to take ownership of a pipe_buffer Synopsis int pipe_buf_steal(struct pipe_inode_info *pipe, struct pipe_buffer *buf); Arguments pipe the pipe that the buffer belongs to buf the buffer to attempt to steal Copyright
pipe_buf_release – put a reference to a pipe_buffer Synopsis void pipe_buf_release(struct pipe_inode_info *pipe, struct pipe_buffer *buf); Arguments pipe the pipe that the buffer belongs to buf the buffer to put a reference to Copyright
pipe_buf_get – get a reference to a pipe_buffer Synopsis void pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf); Arguments pipe the pipe that the buffer belongs to buf the buffer to get a reference to Copyright
pipe_buf_confirm – verify contents of the pipe buffer Synopsis int pipe_buf_confirm(struct pipe_inode_info *pipe, struct pipe_buffer *buf); Arguments pipe the pipe that the buffer belongs to buf the buffer to confirm Copyright
piix_set_piomode – Initialize host controller PATA PIO timings Synopsis void piix_set_piomode(struct ata_port *ap, struct ata_device *adev); Arguments ap Port whose timings we are configuring adev Drive in question Description Set PIO mode for device, in host controller PCI config space. LOCKING: None (inherited from caller). Author Jeff Garzik Author. Copyright
piix_set_dmamode – Initialize host controller PATA DMA timings Synopsis void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev); Arguments ap Port whose timings we are configuring adev um Description Set MW/UDMA mode for device, in host controller PCI config space. LOCKING: None (inherited from caller). Author Jeff Garzik Author. Copyright
piix_pata_prereset – prereset for PATA host controller Synopsis int piix_pata_prereset(struct ata_link *link, unsigned long deadline); Arguments link Target link deadline deadline jiffies for the operation Description LOCKING: None (inherited from caller). Author Jeff Garzik Author. Copyright
piix_init_one – Register PIIX ATA PCI device with kernel services Synopsis int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); Arguments pdev PCI device to register ent Entry in piix_pci_tbl matching with pdev Description Called from kernel PCI layer. We probe for combined mode (sigh), and then hand over control to libata, for it to do…
piix_check_450nx_errata – Check for problem 450NX setup Synopsis int piix_check_450nx_errata(struct pci_dev *ata_dev); Arguments ata_dev the PCI device to check Description Check for the present of 450NX errata #19 and errata #25. If they are found return an error code so we can turn off DMA Author Jeff Garzik Author. Copyright
phys_to_virt – map physical address to virtual Synopsis void *phys_to_virt(phys_addr_t address); Arguments address address to remap Description The returned virtual address is a current CPU mapping for the memory address given. It is only valid to use this function on addresses that have a kernel mapping This function does not handle bus mappings for DMA…
phy_write_mmd_indirect – writes data to the MMD registers Synopsis void phy_write_mmd_indirect(struct phy_device *phydev, int prtad, int devad, u32 data); Arguments phydev The PHY device prtad MMD Address devad MMD DEVAD data data to write in the MMD register Description Write data from the MMD registers of the specified phy address. To write these register we…
phy_trigger_machine – trigger the state machine to run Synopsis void phy_trigger_machine(struct phy_device *phydev); Arguments phydev the phy_device struct Description There has been a change in state which requires that the state machine runs. Copyright
phy_stop_machine – stop the PHY state machine tracking Synopsis void phy_stop_machine(struct phy_device *phydev); Arguments phydev target phy_device struct Description Stops the state machine timer, sets the state to UP (unless it wasn’t up yet). This function must be called BEFORE phy_detach. Copyright
phy_stop_interrupts – disable interrupts from a PHY device Synopsis int phy_stop_interrupts(struct phy_device *phydev); Arguments phydev target phy_device struct Copyright
phy_stop – Bring down the PHY link, and stop checking the status Synopsis void phy_stop(struct phy_device *phydev); Arguments phydev target phy_device struct Copyright
phy_state_machine – Handle the state machine Synopsis void phy_state_machine(struct work_struct *work); Arguments work work_struct that describes the work to be done Copyright
phy_start_machine – start PHY state machine tracking Synopsis void phy_start_machine(struct phy_device *phydev); Arguments phydev the phy_device struct Description The PHY infrastructure can run a state machine which tracks whether the PHY is starting up, negotiating, etc. This function starts the timer which tracks the state of the PHY. If you want to maintain your own…