handle_edge_irq – edge type IRQ handler Synopsis void handle_edge_irq(struct irq_desc *desc); Arguments desc the interrupt description structure for this irq Description Interrupt occures on the falling and/or rising edge of a hardware signal. The occurrence is latched into the irq controller hardware and must be acked in order to be reenabled. After the ack another…
handle_edge_eoi_irq – edge eoi type IRQ handler Synopsis void handle_edge_eoi_irq(struct irq_desc *desc); Arguments desc the interrupt description structure for this irq Description Similar as the above handle_edge_irq, but using eoi and w/o the mask/unmask logic. Authors Thomas Gleixner <tglx [at] linutronix.de> Author. Ingo Molnar <mingo [at] elte.hu> Author. Copyright
handle_early_requeue_pi_wakeup – Detect early wakeup on the initial futex Synopsis int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb, struct futex_q *q, union futex_key *key2, struct hrtimer_sleeper *timeout); Arguments hb the hash_bucket futex_q was original enqueued on q the futex_q woken while waiting to be requeued key2 the futex_key of the requeue target futex timeout the timeout associated with the…
gnet_stats_start_copy_compat – start dumping procedure in compatibility mode Synopsis int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, int tc_stats_type, int xstats_type, spinlock_t *lock, struct gnet_dump *d, int padattr); Arguments skb socket buffer to put statistics TLVs into type TLV type for top level statistic TLV tc_stats_type TLV type for backward compatibility struct tc_stats TLV xstats_type TLV type…
gnet_stats_start_copy – start dumping procedure in compatibility mode Synopsis int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, struct gnet_dump *d, int padattr); Arguments skb socket buffer to put statistics TLVs into type TLV type for top level statistic TLV lock statistics lock d dumping handle padattr padding attribute Description Initializes the dumping handle, grabs the…
gnet_stats_finish_copy – finish dumping procedure Synopsis int gnet_stats_finish_copy(struct gnet_dump *d); Arguments d dumping handle Description Corrects the length of the top level TLV to include all TLVs added by gnet_stats_copy_XXX calls. Adds the backward compatibility TLVs if gnet_stats_start_copy_compat was used and releases the statistics lock. Returns 0 on success or -1 with the statistic lock…
gnet_stats_copy_rate_est – copy rate estimator statistics into statistics TLV Synopsis int gnet_stats_copy_rate_est(struct gnet_dump *d, const struct gnet_stats_basic_packed *b, struct gnet_stats_rate_est64 *r); Arguments d dumping handle b basic statistics r rate estimator statistics Description Appends the rate estimator statistics to the top level TLV created by gnet_stats_start_copy. Returns 0 on success or -1 with the statistic…
gnet_stats_copy_queue – copy queue statistics into statistics TLV Synopsis int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue __percpu *cpu_q, struct gnet_stats_queue *q, __u32 qlen); Arguments d dumping handle cpu_q per cpu queue statistics q queue statistics qlen queue length statistics Description Appends the queue statistics to the top level TLV created by gnet_stats_start_copy. Using per cpu queue…
gnet_stats_copy_basic – copy basic statistics into statistic TLV Synopsis int gnet_stats_copy_basic(const seqcount_t *running, struct gnet_dump *d, struct gnet_stats_basic_cpu __percpu *cpu, struct gnet_stats_basic_packed *b); Arguments running seqcount_t pointer d dumping handle cpu copy statistic per cpu b basic statistics Description Appends the basic statistics to the top level TLV created by gnet_stats_start_copy. Returns 0 on success…
gnet_stats_copy_app – copy application specific statistics into statistics TLV Synopsis int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); Arguments d dumping handle st application specific statistics data len length of data Description Appends the application specific statistics to the top level TLV created by gnet_stats_start_copy and remembers the data for XSTATS if the dumping handle…
get_user_pages_fast – pin user pages in memory Synopsis int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages); Arguments start starting user address nr_pages number of pages from start to pin write whether pages will be written to pages array that receives pointers to the pages pinned. Should be at least nr_pages long. Description…
get_super_thawed – get thawed superblock of a device Synopsis struct super_block *get_super_thawed(struct block_device *bdev); Arguments bdev device to get the superblock for Description Scans the superblock list and finds the superblock of the file system mounted on the device. The superblock is returned once it is thawed (or immediately if it was not frozen). NULL…
get_super – get the superblock of a device Synopsis struct super_block *get_super(struct block_device *bdev); Arguments bdev device to get the superblock for Scans the superblock list and finds the superblock of the file system mounted on the device given. NULL is returned if no match is found. Copyright
get_request – get a free request Synopsis struct request *get_request(struct request_queue *q, int op, int op_flags, struct bio *bio, gfp_t gfp_mask); Arguments q request_queue to allocate request from op REQ_OP_READ/REQ_OP_WRITE op_flags rq_flag_bits bio bio to allocate request for (can be NULL) gfp_mask allocation mask Description Get a free request from q. If __GFP_DIRECT_RECLAIM is set…
get_phy_id – reads the specified addr for its ID. Synopsis int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); Arguments bus the target MII bus addr PHY address on the MII bus phy_id where to store the ID retrieved. is_c45 If true the PHY uses the 802.3 clause 45 protocol c45_ids…
get_phy_device – reads the specified PHY device and returns its phy_device struct Synopsis struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); Arguments bus the target MII bus addr PHY address on the MII bus is_c45 If true the PHY uses the 802.3 clause 45 protocol Description Reads the ID registers of the PHY at…
get_phy_c45_ids – reads the specified addr for its 802.3-c45 IDs. Synopsis int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, struct phy_c45_device_ids *c45_ids); Arguments bus the target MII bus addr PHY address on the MII bus phy_id where to store the ID retrieved. c45_ids where to store the c45 ID information. Description If the PHY devices-in-package…
get_pfn_range_for_nid – Return the start and end page frames for a node Synopsis void get_pfn_range_for_nid(unsigned int nid, unsigned long *start_pfn, unsigned long *end_pfn); Arguments nid The nid to return the range for. If MAX_NUMNODES, the min and max PFN are returned. start_pfn Passed by reference. On return, it will have the node start_pfn. end_pfn Passed…
get_options – Parse a string into a list of integers Synopsis char *get_options(const char *str, int nints, int *ints); Arguments str String to be parsed nints size of integer array ints integer array Description This function parses a string containing a comma-separated list of integers, a hyphen-separated range of _positive_ integers, or a combination of…
get_option – Parse integer from an option string Synopsis int get_option(char **str, int *pint); Arguments str option string pint (output) integer value parsed from str Description Read an int from an option string; if available accept a subsequent comma as well. Return values: 0 – no int in string 1 – int found, no subsequent…