swap_buf_le16 – swap halves of 16-bit words in place Synopsis void swap_buf_le16(u16 *buf, unsigned int buf_words); Arguments buf Buffer to swap buf_words Number of 16-bit words in buffer. Description Swap halves of 16-bit words if needed to convert from little-endian byte order to native cpu byte order, or vice-versa. LOCKING: Inherited from caller. Author Jeff…
svc_xprt_names – format a buffer with a list of transport names Synopsis int svc_xprt_names(struct svc_serv *serv, char *buf, const int buflen); Arguments serv pointer to an RPC service buf pointer to a buffer to be filled in buflen length of buffer to be filled in Description Fills in buf with a string containing a list…
svc_reserve – change the space reserved for the reply to a request. Synopsis void svc_reserve(struct svc_rqst *rqstp, int space); Arguments rqstp The request in question space new max space to reserve Description Each request reserves some space on the output queue of the transport to make sure the reply fits. This function reduces that reserved…
svc_print_addr – Format rq_addr field for printing Synopsis char *svc_print_addr(struct svc_rqst *rqstp, char *buf, size_t len); Arguments rqstp svc_rqst struct containing address to print buf target buffer for formatted address len length of target buffer Copyright
svc_find_xprt – find an RPC transport instance Synopsis struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name, struct net *net, const sa_family_t af, const unsigned short port); Arguments serv pointer to svc_serv to search xcl_name C string containing transport’s class name net owner net pointer af Address family of transport’s local address port transport’s IP port…
superhyway_unregister_driver – Unregister a SuperHyway driver Synopsis void superhyway_unregister_driver(struct superhyway_driver *drv); Arguments drv SuperHyway driver to unregister. Description This cleans up after superhyway_register_driver, and should be invoked in the exit path of any module drivers. Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
superhyway_register_driver – Register a new SuperHyway driver Synopsis int superhyway_register_driver(struct superhyway_driver *drv); Arguments drv SuperHyway driver to register. Description This registers the passed in drv. Any devices matching the id table will automatically be populated and handed off to the driver’s specified probe routine. Author Paul Mundt <lethal [at] linux-sh.org> Author. Copyright
superhyway_add_device – Add a SuperHyway module Synopsis int superhyway_add_device(unsigned long base, struct superhyway_device *sdev, struct superhyway_bus *bus); Arguments base Physical address where module is mapped. sdev SuperHyway device to add, or NULL to allocate a new one. bus Bus where SuperHyway module resides. Description This is responsible for adding a new SuperHyway module. This sets…
submit_bio_wait – submit a bio, and wait until it completes Synopsis int submit_bio_wait(struct bio *bio); Arguments bio The struct bio which describes the I/O Description Simple wrapper around submit_bio. Returns 0 on success, or the error from bio_endio on failure. Copyright
submit_bio – submit a bio to the block device layer for I/O Synopsis blk_qc_t submit_bio(struct bio * bio); Arguments bio The struct bio which describes the I/O Description submit_bio is very similar in purpose to generic_make_request, and uses that function to do most of the work. Both are fairly rough interfaces; bio must be presetup and ready…
struct_wimax_dev – Generic WiMAX device Synopsis struct wimax_dev { struct net_device *net_dev; struct list_head id_table_node; struct mutex mutex; struct mutex mutex_reset; enum wimax_st state; int (*op_msg_from_user)(struct wimax_dev *wimax_dev, const char *, const void *, size_t, const struct genl_info *info); int (*op_rfkill_sw_toggle)(struct wimax_dev *wimax_dev, enum wimax_rf_state); int (*op_reset)(struct wimax_dev *wimax_dev); struct rfkill *rfkill; unsigned int rf_hw;…
struct_w1_slave – holds a single slave device on the bus Synopsis struct w1_slave { struct module *owner; unsigned char name[W1_MAXNAMELEN]; struct list_head w1_slave_entry; struct w1_reg_num reg_num; atomic_t refcnt; int ttl; unsigned long flags; struct w1_master *master; struct w1_family *family; void *family_data; struct device dev; }; Members owner Points to the one wire “wire” kernel module….
struct_w1_reg_num – broken out slave device id Synopsis struct w1_reg_num { #if defined(__LITTLE_ENDIAN_BITFIELD) __u64 family : 8; __u64 id : 48; __u64 crc : 8; #elif defined(__BIG_ENDIAN_BITFIELD) __u64 crc : 8; __u64 id : 48; __u64 family : 8; #else #error "Please fix <asm/byteorder.h>" #endif }; Members family identifies the type of device id along…
struct_w1_netlink_msg – holds w1 message type, id, and result Synopsis struct w1_netlink_msg { __u8 type; __u8 status; __u16 len; union id; __u8 data[0]; }; Members type one of enum w1_netlink_message_types status kernel feedback for success 0 or errno failure value len length of data following w1_netlink_msg id union holding master bus id (msg.id) and slave…
struct_w1_netlink_cmd – holds the command and data Synopsis struct w1_netlink_cmd { __u8 cmd; __u8 res; __u16 len; __u8 data[0]; }; Members cmd one of enum w1_commands res reserved len length of data following w1_netlink_cmd data[0] start address of any following data Description One or more struct w1_netlink_cmd is placed starting at w1_netlink_msg.data each with optional…
struct_w1_master – one per bus master Synopsis struct w1_master { struct list_head w1_master_entry; struct module *owner; unsigned char name[W1_MAXNAMELEN]; struct mutex list_mutex; struct list_head slist; struct list_head async_list; int max_slave_count; int slave_count; unsigned long attempts; int slave_ttl; int initialized; u32 id; int search_count; u64 search_id; atomic_t refcnt; void *priv; int enable_pullup; int pullup_duration; long flags;…
struct_w1_family_ops – operations for a family type Synopsis struct w1_family_ops { int (*add_slave)(struct w1_slave *); void (*remove_slave)(struct w1_slave *); const struct attribute_group **groups; }; Members add_slave add_slave remove_slave remove_slave groups sysfs group Author David Fries <David [at] Fries.net> Author. Copyright
struct_w1_family – reference counted family structure. Synopsis struct w1_family { struct list_head family_entry; u8 fid; struct w1_family_ops *fops; atomic_t refcnt; }; Members family_entry family linked list fid 8 bit family identifier fops operations for this family refcnt reference counter Author David Fries <David [at] Fries.net> Author. Copyright
struct_w1_bus_master – operations available on a bus master Synopsis struct w1_bus_master { void *data; u8 (*read_bit)(void *); void (*write_bit)(void *, u8); u8 (*touch_bit)(void *, u8); u8 (*read_byte)(void *); void (*write_byte)(void *, u8); u8 (*read_block)(void *, u8 *, int); void (*write_block)(void *, const u8 *, int); u8 (*triplet)(void *, u8); u8 (*reset_bus)(void *); u8 (*set_pullup)(void *,…
struct_w1_async_cmd – execute callback from the w1_process kthread Synopsis struct w1_async_cmd { struct list_head async_entry; void (*cb)(struct w1_master *dev, struct w1_async_cmd *async_cmd); }; Members async_entry link entry cb callback function, must list_del and destroy this list before returning Description When inserted into the w1_master async_list, w1_process will execute the callback. Embed this into the structure…