idr_alloc – allocate new idr entry Synopsis int idr_alloc(struct idr *idr, void *ptr, int start, int end, gfp_t gfp_mask); Arguments idr the (initialized) idr ptr pointer to be associated with the new id start the minimum id (inclusive) end the maximum id (exclusive, <= 0 for max) gfp_mask memory allocation flags Description Allocate an id…
ida_simple_remove – remove an allocated id. Synopsis void ida_simple_remove(struct ida *ida, unsigned int id); Arguments ida the (initialized) ida. id the id returned by ida_simple_get. Copyright
ida_simple_get – get a new id. Synopsis int ida_simple_get(struct ida *ida, unsigned int start, unsigned int end, gfp_t gfp_mask); Arguments ida the (initialized) ida. start the minimum id (inclusive, < 0x8000000) end the maximum id (exclusive, < 0x8000000 or 0) gfp_mask memory allocation flags Description Allocates an id in the range start <= id <…
ida_remove – remove the given ID Synopsis void ida_remove(struct ida *ida, int id); Arguments ida ida handle id ID to free Copyright
ida_pre_get – reserve resources for ida allocation Synopsis int ida_pre_get(struct ida *ida, gfp_t gfp_mask); Arguments ida ida handle gfp_mask memory allocation flag Description This function should be called prior to locking and calling the following function. It preallocates enough memory to satisfy the worst possible allocation. If the system is REALLY out of memory this…
ida_init – initialize ida handle Synopsis void ida_init(struct ida *ida); Arguments ida ida handle Description This function is use to set up the handle (ida) that you will pass to the rest of the functions. Copyright
ida_get_new_above – allocate new ID above or equal to a start id Synopsis int ida_get_new_above(struct ida *ida, int starting_id, int *p_id); Arguments ida ida handle starting_id id to start search at p_id pointer to the allocated handle Description Allocate new ID above or equal to starting_id. It should be called with any required locks. If…
ida_destroy – release all cached layers within an ida tree Synopsis void ida_destroy(struct ida *ida); Arguments ida ida handle Copyright
ich_set_dmamode – Initialize host controller PATA DMA timings Synopsis void ich_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
ich_pata_cable_detect – Probe host controller cable detect info Synopsis int ich_pata_cable_detect(struct ata_port *ap); Arguments ap Port for which cable detect info is desired Description Read 80c cable indicator from ATA PCI device’s PCI config register. This register is normally set by firmware (BIOS). LOCKING: None (inherited from caller). Author Jeff Garzik Author. Copyright
ht_destroy_irq – destroy an irq created with ht_create_irq Synopsis void ht_destroy_irq(unsigned int irq); Arguments irq irq to be destroyed Description This reverses ht_create_irq removing the specified irq from existence. The irq should be free before this happens. Copyright
ht_create_irq – create an irq and attach it to a device. Synopsis int ht_create_irq(struct pci_dev *dev, int idx); Arguments dev The hypertransport device to find the irq capability on. idx Which of the possible irqs to attach to. Description ht_create_irq needs to be called for all hypertransport devices that generate irqs. The irq number of…
hlist_for_each_entry_safe – iterate over list of given type safe against removal of list entry Synopsis hlist_for_each_entry_safe(pos, n, head, member); Arguments pos the type * to use as a loop cursor. n another struct hlist_node to use as temporary storage head the head for your list. member the name of the hlist_node within the struct. Copyright
hlist_for_each_entry_from – iterate over a hlist continuing from current point Synopsis hlist_for_each_entry_from(pos, member); Arguments pos the type * to use as a loop cursor. member the name of the hlist_node within the struct. Copyright
hlist_for_each_entry_continue – iterate over a hlist continuing after current point Synopsis hlist_for_each_entry_continue(pos, member); Arguments pos the type * to use as a loop cursor. member the name of the hlist_node within the struct. Copyright
hlist_for_each_entry – iterate over list of given type Synopsis hlist_for_each_entry(pos, head, member); Arguments pos the type * to use as a loop cursor. head the head for your list. member the name of the hlist_node within the struct. Copyright
hcd_buffer_destroy – deallocate buffer pools Synopsis void hcd_buffer_destroy(struct usb_hcd *hcd); Arguments hcd the bus whose buffer pools are to be destroyed Context !in_interrupt Description This frees the buffer pools created by hcd_buffer_create. Copyright
hcd_buffer_create – initialize buffer pools Synopsis int hcd_buffer_create(struct usb_hcd *hcd); Arguments hcd the bus whose buffer pools are to be initialized Context !in_interrupt Description Call this as part of initializing a host controller that uses the dma memory allocators. It initializes some pools of dma-coherent memory that will be shared by all drivers using that…
have_submounts – check for mounts over a dentry Synopsis int have_submounts(struct dentry *parent); Arguments parent dentry to check. Description Return true if the parent or its subdirectories contain a mount point Copyright
hash_futex – Return the hash bucket in the global hash Synopsis struct futex_hash_bucket *hash_futex(union futex_key *key); Arguments key Pointer to the futex key for which the hash is calculated Description We hash on the keys returned from get_futex_key (see below) and return the corresponding hash bucket in the global hash. Author Rusty Russell <rusty [at]…