The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
ata_cmd_ioctl – Handler for HDIO_DRIVE_CMD ioctl Synopsis int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg); Arguments scsidev Device to which we are issuing command arg User provided data for issuing command Description LOCKING: Defined by the SCSI layer. We don’t really care. Return Zero on success, negative errno on error. Author Jeff Garzik Author. Copyright
ata_cable_unknown – return unknown PATA cable. Synopsis int ata_cable_unknown(struct ata_port *ap); Arguments ap port Description Helper method for drivers which have no PATA cable detection. Author Jeff Garzik Author. Copyright
ata_cable_sata – return SATA cable type Synopsis int ata_cable_sata(struct ata_port *ap); Arguments ap port Description Helper method for drivers which have SATA cables Author Jeff Garzik Author. Copyright
ata_cable_ignore – return ignored PATA cable. Synopsis int ata_cable_ignore(struct ata_port *ap); Arguments ap port Description Helper method for drivers which don’t use cable type to limit transfer mode. Author Jeff Garzik Author. Copyright
ata_cable_80wire – return 80 wire cable type Synopsis int ata_cable_80wire(struct ata_port *ap); Arguments ap port Description Helper method for drivers which want to hardwire 80 wire cable detection. Author Jeff Garzik Author. Copyright
ata_cable_40wire – return 40 wire cable type Synopsis int ata_cable_40wire(struct ata_port *ap); Arguments ap port Description Helper method for drivers which want to hardwire 40 wire cable detection. Author Jeff Garzik Author. Copyright
ata_bus_probe – Reset and probe ATA bus Synopsis int ata_bus_probe(struct ata_port *ap); Arguments ap Bus to probe Description Master ATA bus probing function. Initiates a hardware-dependent bus reset, then attempts to identify any devices found on the bus. LOCKING: PCI/etc. bus probe sem. Return Zero on success, negative errno otherwise. Author Jeff Garzik Author. Copyright
ata_build_rw_tf – Build ATA taskfile for given read/write request Synopsis int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag); Arguments tf Target ATA taskfile dev ATA device tf belongs to block Block address n_block Number of blocks tf_flags RW/FUA etc… tag tag Description LOCKING: None. Build ATA…
arch_phys_wc_add – add a WC MTRR and handle errors if PAT is unavailable Synopsis int arch_phys_wc_add(unsigned long base, unsigned long size); Arguments base Physical base address size Size of region Description If PAT is available, this does nothing. If PAT is unavailable, it attempts to add a WC MTRR covering size bytes starting at base…
allocate_resource – allocate empty slot in the resource tree given range & alignment. The resource will be reallocated with a new size if it was already allocated Synopsis int allocate_resource(struct resource *root, struct resource *new, resource_size_t size, resource_size_t min, resource_size_t max, resource_size_t align, resource_size_t (*alignf)(void *, const struct resource *, resource_size_t, resource_size_t), void *alignf_data); Arguments…
alloc_vm_area – allocate a range of kernel address space Synopsis struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes); Arguments size size of the area ptes returns the PTEs for the address space Return NULL on failure, vm_struct on success This function reserves a range of kernel address space, and allocates pagetables to map that range. No actual…
alloc_skb_with_frags – allocate skb with page frags Synopsis struct sk_buff *alloc_skb_with_frags(unsigned long header_len, unsigned long data_len, int max_page_order, int *errcode, gfp_t gfp_mask); Arguments header_len size of linear part data_len needed length in frags max_page_order max page order desired. errcode pointer to error code if any gfp_mask allocation mask Description This can be used to allocate…
alloc_pages_exact_nid – allocate an exact number of physically-contiguous pages on a node. Synopsis void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); Arguments nid the preferred node ID where memory should be allocated size the number of bytes to allocate gfp_mask GFP flags for the allocation Description Like alloc_pages_exact, but try to allocate on node nid first…
alloc_netdev_mqs – allocate network device Synopsis struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, unsigned char name_assign_type, void (*setup)(struct net_device *), unsigned int txqs, unsigned int rxqs); Arguments sizeof_priv size of private data to allocate space for name device name format string name_assign_type origin of device name setup callback to initialize device txqs the number of…
alloc_etherdev_mqs – Allocates and sets up an Ethernet device Synopsis struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs, unsigned int rxqs); Arguments sizeof_priv Size of additional driver-private structure to be allocated for this Ethernet device txqs The number of TX queues this device has. rxqs The number of RX queues this device has. Description Fill in…
alloc_contig_range – – tries to allocate given range of pages Synopsis int alloc_contig_range(unsigned long start, unsigned long end, unsigned migratetype); Arguments start start PFN to allocate end one-past-the-last PFN to allocate migratetype migratetype of the underlaying pageblocks (either #MIGRATE_MOVABLE or #MIGRATE_CMA). All pageblocks in range must have the same migratetype and it must be either…
alloc_chrdev_region – register a range of char device numbers Synopsis int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count, const char *name); Arguments dev output parameter for first assigned number baseminor first of the requested range of minor numbers count the number of minor numbers required name the name of the associated device or driver Description Allocates…
akcipher_request_set_crypt – Sets request parameters Synopsis void akcipher_request_set_crypt(struct akcipher_request *req, struct scatterlist *src, struct scatterlist *dst, unsigned int src_len, unsigned int dst_len); Arguments req public key request src ptr to input scatter list dst ptr to output scatter list src_len size of the src input scatter list to be processed dst_len size of the dst…
akcipher_request_set_callback – Sets an asynchronous callback. Synopsis void akcipher_request_set_callback(struct akcipher_request *req, u32 flgs, crypto_completion_t cmpl, void *data); Arguments req request that the callback will be set for flgs specify for instance if the operation may backlog cmpl callback which will be called data private data used by the caller Description Callback will be called when…
akcipher_request_free – zeroize and free public key request Synopsis void akcipher_request_free(struct akcipher_request *req); Arguments req request to free Authors Stephan Mueller <smueller [at] chronox.de> Author. Marek Vasut <marek [at] denx.de> Author. Copyright