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xsk_tx_metadata_complete(9)
NAME xsk_tx_metadata_complete - Evaluate AF_XDP TX metadata at completion and call appropriate xsk_tx_metadata_ops operation. SYNOPSIS void xsk_tx_metadata_complete (struct xsk_tx_metadata_compl *compl , const struct xsk_tx_metadata_ops *ops , void *priv ); ARGUMENTS compl pointer to completion metadata produce...
xsk_tx_metadata_request(9)
NAME xsk_tx_metadata_request - Evaluate AF_XDP TX metadata at submission and call appropriate xsk_tx_metadata_ops operation. SYNOPSIS void xsk_tx_metadata_request (const struct xsk_tx_metadata *meta , const struct xsk_tx_metadata_ops *ops , void *priv ); ARGUMENTS meta pointer to AF_XDP metadata area o...
xsk_tx_metadata_to_compl(9)
NAME xsk_tx_metadata_to_compl - Save enough relevant metadata information to perform tx completion in the future. SYNOPSIS void xsk_tx_metadata_to_compl (struct xsk_tx_metadata *meta , struct xsk_tx_metadata_compl *compl ); ARGUMENTS meta pointer to AF_XDP metadata area compl pointer to output st...
xspi_dirmap_write(9)
NAME xspi_dirmap_write - Write data to xspi memory. SYNOPSIS ssize_t xspi_dirmap_write (struct device *dev , u64 offs , size_t len , const void *buf ); ARGUMENTS dev xspi device offs offset len Number of bytes to be written. buf Buffer holding write data. DESCRI...
xsubpp(1)
NAME xsubpp - compiler to convert Perl XS code into C code SYNOPSIS xsubpp [-v] [-except] [-s pattern] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-typemap typemap] [-output filename]... file.xs DESCRIPTION This compiler is typically run by the makefiles created by ExtUtils::MakeMaker or by Module...
xt_alloc_entry_offsets(9)
NAME xt_alloc_entry_offsets - allocate array to store rule head offsets SYNOPSIS unsigned int * xt_alloc_entry_offsets (unsigned int size ); ARGUMENTS size number of entries RETURN NULL or zeroed kmalloc'd or vmalloc'd array SEE ALSO Kernel file ./net/netfilter/x_tables.c xt_check_proc_name(9), xt_check_entr...
xt_check_entry_offsets(9)
NAME xt_check_entry_offsets - validate arp/ip/ip6t_entry SYNOPSIS int xt_check_entry_offsets (const void *base , const char *elems , unsigned int target_offset , unsigned int next_offset ); ARGUMENTS base pointer to arp/ip/ip6t_entry elems pointer to first xt_entry_match, i.e. ip(6)t_entry->elems...
xt_check_proc_name(9)
NAME xt_check_proc_name - check that name is suitable for /proc file creation SYNOPSIS int xt_check_proc_name (const char *name , unsigned int size ); ARGUMENTS name file name candidate size length of buffer DESCRIPTION some x_tables modules wish to create a file in /proc. This function mak...
xt_copy_counters(9)
NAME xt_copy_counters - copy counters and metadata from a sockptr_t SYNOPSIS void * xt_copy_counters (sockptr_t arg , unsigned int len , struct xt_counters_info *info ); ARGUMENTS arg src sockptr len alleged size of userspace memory info where to store the xt_counters_info metad...
xt_find_jump_offset(9)
NAME xt_find_jump_offset - check if target is a valid jump offset SYNOPSIS bool xt_find_jump_offset (const unsigned int *offsets , unsigned int target , unsigned int size ); ARGUMENTS offsets array containing all valid rule start offsets of a rule blob target the jump target to search for siz...
xt_hook_ops_alloc(9)
NAME xt_hook_ops_alloc - set up hooks for a new table SYNOPSIS struct nf_hook_ops * xt_hook_ops_alloc (const struct xt_table *table , nf_hookfn *fn ); ARGUMENTS table table with metadata needed to set up hooks fn Hook function DESCRIPTION This function will create the nf_hook_ops that the x_ta...
xt_percpu_counter_alloc(9)
NAME xt_percpu_counter_alloc - allocate x_tables rule counter SYNOPSIS bool xt_percpu_counter_alloc (struct xt_percpu_counter_alloc_state *state , struct xt_counters *counter ); ARGUMENTS state pointer to xt_percpu allocation state counter pointer to counter struct inside the ip(6)/arpt_entry struct...
xt_write_recseq_begin(9)
NAME xt_write_recseq_begin - start of a write section SYNOPSIS unsigned int xt_write_recseq_begin (void ); ARGUMENTS void no arguments DESCRIPTION Begin packet processing : all readers must wait the end 1) Must be called with preemption disabled 2) softirqs must be disabled too (or we should use this_cpu_add)...
xt_write_recseq_end(9)
NAME xt_write_recseq_end - end of a write section SYNOPSIS void xt_write_recseq_end (unsigned int addend ); ARGUMENTS addend return value from previous xt_write_recseq_begin DESCRIPTION End packet processing : all readers can proceed 1) Must be called with preemption disabled 2) softirqs must be disabled too (o...
xterm(1)
NAME xterm - terminal emulator for X SYNOPSIS xterm [-toolkitoption ...] [-option ...] [shell] DESCRIPTION The xterm program is a terminal emulator for the X Window System. It provides DEC VT102/VT220 and selected features from higher-level terminals such as VT320/VT420/VT520 (VTxxx). It also provides Tektronix 401...
xtmr_inject_probe(9)
NAME xtmr_inject_probe - Driver probe function SYNOPSIS int xtmr_inject_probe (struct platform_device *pdev ); ARGUMENTS pdev Pointer to the platform_device structure DESCRIPTION This is the driver probe routine. It does all the memory allocation for the device. RETURN 0 on success and failure value on error...
xtmr_manager_probe(9)
NAME xtmr_manager_probe - Driver probe function SYNOPSIS int xtmr_manager_probe (struct platform_device *pdev ); ARGUMENTS pdev Pointer to the platform_device structure DESCRIPTION This is the driver probe routine. It does all the memory allocation for the device. RETURN 0 on success and failure value on err...
xudc_clear_stall_all_ep(9)
NAME xudc_clear_stall_all_ep - clears stall of every endpoint. SYNOPSIS void xudc_clear_stall_all_ep (struct xusb_udc *udc ); ARGUMENTS udc pointer to the udc structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9),...
xudc_ctrl_ep_handler(9)
NAME xudc_ctrl_ep_handler - Endpoint 0 interrupt handler. SYNOPSIS void xudc_ctrl_ep_handler (struct xusb_udc *udc , u32 intrstatus ); ARGUMENTS udc pointer to the udc structure. intrstatus It's the mask value for the interrupt sources on endpoint 0. DESCRIPTION Processes the commands received durin...
xudc_dma_receive(9)
NAME xudc_dma_receive - Receives OUT data using DMA. SYNOPSIS int xudc_dma_receive (struct xusb_ep *ep , struct xusb_req *req , u8 *buffer , u32 length ); ARGUMENTS ep pointer to the usb device endpoint structure. req pointer to the usb request structure. buffer pointer to storag...
xudc_dma_send(9)
NAME xudc_dma_send - Sends IN data using DMA. SYNOPSIS int xudc_dma_send (struct xusb_ep *ep , struct xusb_req *req , u8 *buffer , u32 length ); ARGUMENTS ep pointer to the usb device endpoint structure. req pointer to the usb request structure. buffer pointer to data to be sent....
xudc_done(9)
NAME xudc_done - Exeutes the endpoint data transfer completion tasks. SYNOPSIS void xudc_done (struct xusb_ep *ep , struct xusb_req *req , int status ); ARGUMENTS ep pointer to the usb device endpoint structure. req pointer to the usb request structure. status Status of the data ...
xudc_ep0_disable(9)
NAME xudc_ep0_disable - Disables the given endpoint. SYNOPSIS int xudc_ep0_disable (struct usb_ep *ep ); ARGUMENTS ep pointer to the usb endpoint structure. RETURN error always. DESCRIPTION endpoint 0 disable should not be called by gadget layer. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c...
xudc_ep0_enable(9)
NAME xudc_ep0_enable - Enables the given endpoint. SYNOPSIS int xudc_ep0_enable (struct usb_ep *ep , const struct usb_endpoint_descriptor *desc ); ARGUMENTS ep pointer to the usb endpoint structure. desc pointer to usb endpoint descriptor. RETURN error always. DESCRIPTION endpoint 0 enable s...
xudc_ep0_in(9)
NAME xudc_ep0_in - Processes the endpoint 0 IN token. SYNOPSIS void xudc_ep0_in (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9), xu...
xudc_ep0_out(9)
NAME xudc_ep0_out - Processes the endpoint 0 OUT token. SYNOPSIS void xudc_ep0_out (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9),...
xudc_ep0_queue(9)
NAME xudc_ep0_queue - Adds the request to endpoint 0 queue. SYNOPSIS int xudc_ep0_queue (struct usb_ep *_ep , struct usb_request *_req , gfp_t gfp_flags ); ARGUMENTS _ep pointer to the usb endpoint 0 structure. _req pointer to the usb request structure. gfp_flags Flags related to the ...
xudc_ep0_stall(9)
NAME xudc_ep0_stall - Stall endpoint zero. SYNOPSIS void xudc_ep0_stall (struct xusb_udc *udc ); ARGUMENTS udc pointer to the udc structure. DESCRIPTION This function stalls endpoint zero. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), ...
xudc_ep_alloc_request(9)
NAME xudc_ep_alloc_request - Initializes the request queue. SYNOPSIS struct usb_request * xudc_ep_alloc_request (struct usb_ep *_ep , gfp_t gfp_flags ); ARGUMENTS _ep pointer to the usb endpoint structure. gfp_flags Flags related to the request call. RETURN pointer to request structure on success a...
xudc_ep_dequeue(9)
NAME xudc_ep_dequeue - Removes the request from the queue. SYNOPSIS int xudc_ep_dequeue (struct usb_ep *_ep , struct usb_request *_req ); ARGUMENTS _ep pointer to the usb device endpoint structure. _req pointer to the usb request structure. RETURN 0 for success and error value on failure SEE ...
xudc_ep_disable(9)
NAME xudc_ep_disable - Disables the given endpoint. SYNOPSIS int xudc_ep_disable (struct usb_ep *_ep ); ARGUMENTS _ep pointer to the usb endpoint structure. RETURN 0 for success and error value on failure SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), ...
xudc_ep_enable(9)
NAME xudc_ep_enable - Enables the given endpoint. SYNOPSIS int xudc_ep_enable (struct usb_ep *_ep , const struct usb_endpoint_descriptor *desc ); ARGUMENTS _ep pointer to the usb endpoint structure. desc pointer to usb endpoint descriptor. RETURN 0 for success and error value on failure SEE A...
xudc_ep_queue(9)
NAME xudc_ep_queue - Adds the request to endpoint queue. SYNOPSIS int xudc_ep_queue (struct usb_ep *_ep , struct usb_request *_req , gfp_t gfp_flags ); ARGUMENTS _ep pointer to the usb endpoint structure. _req pointer to the usb request structure. gfp_flags Flags related to the reques...
xudc_ep_set_halt(9)
NAME xudc_ep_set_halt - Stalls/unstalls the given endpoint. SYNOPSIS int xudc_ep_set_halt (struct usb_ep *_ep , int value ); ARGUMENTS _ep pointer to the usb device endpoint structure. value value to indicate stall/unstall. RETURN 0 for success and error value on failure SEE ALSO Kernel file ...
xudc_epconfig(9)
NAME xudc_epconfig - Configures the given endpoint. SYNOPSIS void xudc_epconfig (struct xusb_ep *ep , struct xusb_udc *udc ); ARGUMENTS ep pointer to the usb device endpoint structure. udc pointer to the usb peripheral controller structure. DESCRIPTION This function configures a specific end...
xudc_eps_init(9)
NAME xudc_eps_init - initialize endpoints. SYNOPSIS void xudc_eps_init (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9), xudc_read32...
xudc_eptxrx(9)
NAME xudc_eptxrx - Transmits or receives data to or from an endpoint. SYNOPSIS int xudc_eptxrx (struct xusb_ep *ep , struct xusb_req *req , u8 *bufferptr , u32 bufferlen ); ARGUMENTS ep pointer to the usb endpoint configuration structure. req pointer to the usb request structure. buff...
xudc_free_request(9)
NAME xudc_free_request - Releases the request from queue. SYNOPSIS void xudc_free_request (struct usb_ep *_ep , struct usb_request *_req ); ARGUMENTS _ep pointer to the usb device endpoint structure. _req pointer to the usb request structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc...
xudc_get_frame(9)
NAME xudc_get_frame - Reads the current usb frame number. SYNOPSIS int xudc_get_frame (struct usb_gadget *gadget ); ARGUMENTS gadget pointer to the usb gadget structure. RETURN current frame number for success and error value on failure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xus...
xudc_getstatus(9)
NAME xudc_getstatus - executes GET_STATUS command SYNOPSIS void xudc_getstatus (struct xusb_udc *udc ); ARGUMENTS udc pointer to the udc structure. DESCRIPTION This function executes USB GET_STATUS command SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9),...
xudc_handle_setup(9)
NAME xudc_handle_setup - Processes the setup packet. SYNOPSIS void xudc_handle_setup (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. DESCRIPTION Process setup packet and delegate to gadget layer. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xus...
xudc_irq(9)
NAME xudc_irq - The main interrupt handler. SYNOPSIS irqreturn_t xudc_irq (int irq , void *_udc ); ARGUMENTS irq The interrupt number. _udc pointer to the usb device controller structure. RETURN IRQ_HANDLED after the interrupt is handled. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xi...
xudc_nonctrl_ep_handler(9)
NAME xudc_nonctrl_ep_handler - Non control endpoint interrupt handler. SYNOPSIS void xudc_nonctrl_ep_handler (struct xusb_udc *udc , u8 epnum , u32 intrstatus ); ARGUMENTS udc pointer to the udc structure. epnum End point number for which the interrupt is to be processed intrstatus mask...
xudc_nuke(9)
NAME xudc_nuke - Cleans up the data transfer message list. SYNOPSIS void xudc_nuke (struct xusb_ep *ep , int status ); ARGUMENTS ep pointer to the usb device endpoint structure. status Status of the data transfer. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9)...
xudc_probe(9)
NAME xudc_probe - The device probe function for driver initialization. SYNOPSIS int xudc_probe (struct platform_device *pdev ); ARGUMENTS pdev pointer to the platform device structure. RETURN 0 for success and error value on failure SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_r...
xudc_pullup(9)
NAME xudc_pullup - start/stop USB traffic SYNOPSIS int xudc_pullup (struct usb_gadget *gadget , int is_on ); ARGUMENTS gadget pointer to the usb gadget structure. is_on flag to start or stop RETURN 0 always DESCRIPTION This function starts/stops SIE engine of IP based on is_on. SEE ALSO Kernel ...
xudc_read32(9)
NAME xudc_read32 - little endian read from device registers SYNOPSIS unsigned int xudc_read32 (void __iomem *addr ); ARGUMENTS addr addr of device register RETURN value at addr SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32...
xudc_read32_be(9)
NAME xudc_read32_be - big endian read from device registers SYNOPSIS unsigned int xudc_read32_be (void __iomem *addr ); ARGUMENTS addr addr of device register RETURN value at addr SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_w...
xudc_read_fifo(9)
NAME xudc_read_fifo - Reads the data from the given endpoint buffer. SYNOPSIS int xudc_read_fifo (struct xusb_ep *ep , struct xusb_req *req ); ARGUMENTS ep pointer to the usb device endpoint structure. req pointer to the usb request structure. RETURN 0 if request is completed and -EAGAIN if ...
xudc_remove(9)
NAME xudc_remove - Releases the resources allocated during the initialization. SYNOPSIS void xudc_remove (struct platform_device *pdev ); ARGUMENTS pdev pointer to the platform device structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_...
xudc_set_clear_feature(9)
NAME xudc_set_clear_feature - Executes the set feature and clear feature commands. SYNOPSIS void xudc_set_clear_feature (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. DESCRIPTION Processes the SET_FEATURE and CLEAR_FEATURE commands. SEE ALSO Kernel file ./drivers/us...
xudc_setaddress(9)
NAME xudc_setaddress - executes SET_ADDRESS command SYNOPSIS void xudc_setaddress (struct xusb_udc *udc ); ARGUMENTS udc pointer to the udc structure. DESCRIPTION This function executes USB SET_ADDRESS command SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep...
xudc_start(9)
NAME xudc_start - Starts the device. SYNOPSIS int xudc_start (struct usb_gadget *gadget , struct usb_gadget_driver *driver ); ARGUMENTS gadget pointer to the usb gadget structure driver pointer to gadget driver structure RETURN zero on success and error on failure SEE ALSO Kernel file ./drivers/...
xudc_start_dma(9)
NAME xudc_start_dma - Starts DMA transfer. SYNOPSIS int xudc_start_dma (struct xusb_ep *ep , dma_addr_t src , dma_addr_t dst , u32 length ); ARGUMENTS ep pointer to the usb device endpoint structure. src DMA source address. dst DMA destination address. length numb...
xudc_startup_handler(9)
NAME xudc_startup_handler - The usb device controller interrupt handler. SYNOPSIS void xudc_startup_handler (struct xusb_udc *udc , u32 intrstatus ); ARGUMENTS udc pointer to the udc structure. intrstatus The mask value containing the interrupt sources. DESCRIPTION This function handles the RESET,SU...
xudc_stop(9)
NAME xudc_stop - stops the device. SYNOPSIS int xudc_stop (struct usb_gadget *gadget ); ARGUMENTS gadget pointer to the usb gadget structure RETURN zero always SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9), xudc_read32...
xudc_stop_activity(9)
NAME xudc_stop_activity - Stops any further activity on the device. SYNOPSIS void xudc_stop_activity (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9)...
xudc_wakeup(9)
NAME xudc_wakeup - Send remote wakeup signal to host SYNOPSIS int xudc_wakeup (struct usb_gadget *gadget ); ARGUMENTS gadget pointer to the usb gadget structure. RETURN 0 on success and error on failure SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struc...
xudc_write32(9)
NAME xudc_write32 - little endian write to device registers SYNOPSIS void xudc_write32 (void __iomem *addr , u32 offset , u32 val ); ARGUMENTS addr base addr of device registers offset register offset val data to be written SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilin...
xudc_write32_be(9)
NAME xudc_write32_be - big endian write to device registers SYNOPSIS void xudc_write32_be (void __iomem *addr , u32 offset , u32 val ); ARGUMENTS addr base addr of device registers offset register offset val data to be written SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xi...
xudc_write_fifo(9)
NAME xudc_write_fifo - Writes data into the given endpoint buffer. SYNOPSIS int xudc_write_fifo (struct xusb_ep *ep , struct xusb_req *req ); ARGUMENTS ep pointer to the usb device endpoint structure. req pointer to the usb request structure. RETURN 0 if request is completed and -EAGAIN if n...
xudc_wrstatus(9)
NAME xudc_wrstatus - Sets up the usb device status stages. SYNOPSIS void xudc_wrstatus (struct xusb_udc *udc ); ARGUMENTS udc pointer to the usb device controller structure. SEE ALSO Kernel file ./drivers/usb/gadget/udc/udc-xilinx.c struct xusb_req(9), struct xusb_ep(9), struct xusb_udc(9), xudc_write32(9),...
xvcu_probe(9)
NAME xvcu_probe - Probe existence of the logicoreIP and initialize PLL SYNOPSIS int xvcu_probe (struct platform_device *pdev ); ARGUMENTS pdev Pointer to the platform_device structure RETURN Returns 0 on success Negative error code otherwise SEE ALSO Kernel file ./drivers/clk/xilinx/xlnx_vcu.c struct xvcu_de...
xvcu_read(9)
NAME xvcu_read - Read from the VCU register space SYNOPSIS u32 xvcu_read (void __iomem *iomem , u32 offset ); ARGUMENTS iomem vcu reg space base address offset vcu reg offset from base RETURN Returns 32bit value from VCU register specified SEE ALSO Kernel file ./drivers/clk/xilinx/xlnx_vcu.c stru...
xvcu_remove(9)
NAME xvcu_remove - Insert gasket isolation and disable the clock SYNOPSIS void xvcu_remove (struct platform_device *pdev ); ARGUMENTS pdev Pointer to the platform_device structure RETURN Returns 0 on success Negative error code otherwise SEE ALSO Kernel file ./drivers/clk/xilinx/xlnx_vcu.c struct xvcu_device...
xvcu_write(9)
NAME xvcu_write - Write to the VCU register space SYNOPSIS void xvcu_write (void __iomem *iomem , u32 offset , u32 value ); ARGUMENTS iomem vcu reg space base address offset vcu reg offset from base value Value to write SEE ALSO Kernel file ./drivers/clk/xilinx/xlnx_vcu.c struct xvcu...
xvip_clr_and_set(9)
NAME xvip_clr_and_set - Clear and set the register with a bitmask SYNOPSIS void xvip_clr_and_set (struct xvip_device *xvip , u32 addr , u32 clr , u32 set ); ARGUMENTS xvip Xilinx Video IP device addr address of register clr bitmask to be cleared set bitmask to be ...
xvip_clr_or_set(9)
NAME xvip_clr_or_set - Clear or set the register with a bitmask SYNOPSIS void xvip_clr_or_set (struct xvip_device *xvip , u32 addr , u32 mask , bool set ); ARGUMENTS xvip Xilinx Video IP device addr address of register mask bitmask to be set or cleared set boolean ...
xvip_enum_frame_size(9)
NAME xvip_enum_frame_size - Enumerate the media bus frame size SYNOPSIS int xvip_enum_frame_size (struct v4l2_subdev *subdev , struct v4l2_subdev_state *sd_state , struct v4l2_subdev_frame_size_enum *fse ); ARGUMENTS subdev V4L2 subdevice sd_state V4L2 subdev state fse returning media ...
xvip_enum_mbus_code(9)
NAME xvip_enum_mbus_code - Enumerate the media format code SYNOPSIS int xvip_enum_mbus_code (struct v4l2_subdev *subdev , struct v4l2_subdev_state *sd_state , struct v4l2_subdev_mbus_code_enum *code ); ARGUMENTS subdev V4L2 subdevice sd_state V4L2 subdev state code returning media bus c...
xvip_get_format_by_code(9)
NAME xvip_get_format_by_code - Retrieve format information for a media bus code SYNOPSIS const struct xvip_video_format * xvip_get_format_by_code (unsigned int code ); ARGUMENTS code the format media bus code RETURN a pointer to the format information structure corresponding to the given V4L2 media bus format...
xvip_get_format_by_fourcc(9)
NAME xvip_get_format_by_fourcc - Retrieve format information for a 4CC SYNOPSIS const struct xvip_video_format * xvip_get_format_by_fourcc (u32 fourcc ); ARGUMENTS fourcc the format 4CC RETURN a pointer to the format information structure corresponding to the given V4L2 format fourcc. If not found, return a poi...
xvip_of_get_format(9)
NAME xvip_of_get_format - Parse a device tree node and return format information SYNOPSIS const struct xvip_video_format * xvip_of_get_format (struct device_node *node ); ARGUMENTS node the device tree node DESCRIPTION Read the xlnx,video-format, xlnx,video-width and xlnx,cfa-pattern properties from the devic...
xvip_pipeline_cleanup(9)
NAME xvip_pipeline_cleanup - Cleanup the pipeline after streaming SYNOPSIS void xvip_pipeline_cleanup (struct xvip_pipeline *pipe ); ARGUMENTS pipe the pipeline DESCRIPTION Decrease the pipeline use count and clean it up if we were the last user. SEE ALSO Kernel file ./drivers/media/platform/xilinx/xilinx-dm...
xvip_pipeline_prepare(9)
NAME xvip_pipeline_prepare - Prepare the pipeline for streaming SYNOPSIS int xvip_pipeline_prepare (struct xvip_pipeline *pipe , struct xvip_dma *dma ); ARGUMENTS pipe the pipeline dma DMA engine at one end of the pipeline DESCRIPTION Validate the pipeline if no user exists yet, otherwise just...
xvip_pipeline_set_stream(9)
NAME xvip_pipeline_set_stream - Enable/disable streaming on a pipeline SYNOPSIS int xvip_pipeline_set_stream (struct xvip_pipeline *pipe , bool on ); ARGUMENTS pipe The pipeline on Turn the stream on when true or off when false DESCRIPTION The pipeline is shared between all DMA engines conne...
xvip_pipeline_start_stop(9)
NAME xvip_pipeline_start_stop - Start ot stop streaming on a pipeline SYNOPSIS int xvip_pipeline_start_stop (struct xvip_pipeline *pipe , bool start ); ARGUMENTS pipe The pipeline start Start (when true) or stop (when false) the pipeline DESCRIPTION Walk the entities chain starting at the pipeli...
xvip_set_format_size(9)
NAME xvip_set_format_size - Set the media bus frame format size SYNOPSIS void xvip_set_format_size (struct v4l2_mbus_framefmt *format , const struct v4l2_subdev_format *fmt ); ARGUMENTS format V4L2 frame format on media bus fmt media bus format DESCRIPTION Set the media bus frame format size....
xway_stp_dir_out(9)
NAME xway_stp_dir_out - gpio_chip->dir_out - set gpio direction. SYNOPSIS int xway_stp_dir_out (struct gpio_chip *gc , unsigned gpio , int val ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. val Value to be written to specified signal. DESCRIPTI...
xway_stp_get(9)
NAME xway_stp_get - gpio_chip->get - get gpios. SYNOPSIS int xway_stp_get (struct gpio_chip *gc , unsigned int gpio ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. DESCRIPTION Gets the shadow value. SEE ALSO Kernel file ./drivers/gpio/gpio-stp-xway.c xway_stp_...
xway_stp_hw_init(9)
NAME xway_stp_hw_init - Configure the STP unit and enable the clock gate SYNOPSIS void xway_stp_hw_init (struct xway_stp *chip ); ARGUMENTS chip Pointer to the xway_stp chip structure SEE ALSO Kernel file ./drivers/gpio/gpio-stp-xway.c xway_stp_get(9), xway_stp_set(9), xway_stp_dir_out(9), xway_stp_request(9)...
xway_stp_request(9)
NAME xway_stp_request - gpio_chip->request SYNOPSIS int xway_stp_request (struct gpio_chip *gc , unsigned gpio ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. DESCRIPTION We mask out the HW driven pins SEE ALSO Kernel file ./drivers/gpio/gpio-stp-xway.c xway_s...
xway_stp_set(9)
NAME xway_stp_set - gpio_chip->set - set gpios. SYNOPSIS int xway_stp_set (struct gpio_chip *gc , unsigned int gpio , int val ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. val Value to be written to specified signal. DESCRIPTION Set the shadow...
xwdt_resume(9)
NAME xwdt_resume - Resume the device. SYNOPSIS int __maybe_unused xwdt_resume (struct device *dev ); ARGUMENTS dev handle to the device structure. RETURN 0 on success, errno otherwise. SEE ALSO Kernel file ./drivers/watchdog/of_xilinx_wdt.c xwdt_suspend(9) April 2026 ...
xwdt_suspend(9)
NAME xwdt_suspend - Suspend the device. SYNOPSIS int __maybe_unused xwdt_suspend (struct device *dev ); ARGUMENTS dev handle to the device structure. RETURN 0 always. SEE ALSO Kernel file ./drivers/watchdog/of_xilinx_wdt.c xwdt_resume(9) April 2026 ...
xxh32(9)
NAME xxh32 - calculate the 32-bit hash of the input with a given seed. SYNOPSIS uint32_t xxh32 (const void *input , size_t length , uint32_t seed ); ARGUMENTS input The data to hash. length The length of the data to hash. seed The seed can be used to alter the result predictably. DE...
xxh64(9)
NAME xxh64 - calculate the 64-bit hash of the input with a given seed. SYNOPSIS uint64_t xxh64 (const void *input , size_t length , uint64_t seed ); ARGUMENTS input The data to hash. length The length of the data to hash. seed The seed can be used to alter the result predictably. DE...
xxh64_digest(9)
NAME xxh64_digest - produce the current xxh64 hash SYNOPSIS uint64_t xxh64_digest (const struct xxh64_state *state ); ARGUMENTS state Produce the current xxh64 hash of this state. DESCRIPTION A hash value can be produced at any time. It is still possible to continue inserting input into the hash state after a ...
xxh64_reset(9)
NAME xxh64_reset - reset the xxh64 state to start a new hashing operation SYNOPSIS void xxh64_reset (struct xxh64_state *state , uint64_t seed ); ARGUMENTS state The xxh64 state to reset. seed Initialize the hash state with this seed. SEE ALSO Kernel file ./include/linux/xxhash.h xxh32(9), xxh64...
xxh64_update(9)
NAME xxh64_update - hash the data given and update the xxh64 state SYNOPSIS int xxh64_update (struct xxh64_state *state , const void *input , size_t length ); ARGUMENTS state The xxh64 state to update. input The data to hash. length The length of the data to hash. DESCRIPTION After c...
xxhash(9)
NAME xxhash - calculate wordsize hash of the input with a given seed SYNOPSIS unsigned long xxhash (const void *input , size_t length , uint64_t seed ); ARGUMENTS input The data to hash. length The length of the data to hash. seed The seed can be used to alter the result predictably....
xxxfb_blank(9)
NAME xxxfb_blank - NOT a required function. Blanks the display. SYNOPSIS int xxxfb_blank (int blank_mode , struct fb_info *info ); ARGUMENTS blank_mode the blank mode we want. info frame buffer structure that represents a single frame buffer DESCRIPTION Blank the screen if blank_mode != FB_BLANK...
xxxfb_check_var(9)
NAME xxxfb_check_var - Optional function. Validates a var passed in. SYNOPSIS int xxxfb_check_var (struct fb_var_screeninfo *var , struct fb_info *info ); ARGUMENTS var frame buffer variable screen structure info frame buffer structure that represents a single frame buffer DESCRIPTION Checks t...
xxxfb_copyarea(9)
NAME xxxfb_copyarea - REQUIRED function. Can use generic routines if non acclerated hardware and packed pixel based. Copies one area of the screen to another area. SYNOPSIS void xxxfb_copyarea (struct fb_info *p , const struct fb_copyarea *area ); ARGUMENTS p -- undescribed -- area Structure ...
xxxfb_cursor(9)
NAME xxxfb_cursor - OPTIONAL. If your hardware lacks support for a cursor, leave this field NULL. SYNOPSIS int xxxfb_cursor (struct fb_info *info , struct fb_cursor *cursor ); ARGUMENTS info frame buffer structure that represents a single frame buffer cursor structure defining the cursor to draw. ...
xxxfb_fillrect(9)
NAME xxxfb_fillrect - REQUIRED function. Can use generic routines if non acclerated hardware and packed pixel based. Draws a rectangle on the screen. SYNOPSIS void xxxfb_fillrect (struct fb_info *p , const struct fb_fillrect *region ); ARGUMENTS p -- undescribed -- region The structure represen...
xxxfb_imageblit(9)
NAME xxxfb_imageblit - REQUIRED function. Can use generic routines if non acclerated hardware and packed pixel based. Copies a image from system memory to the screen. SYNOPSIS void xxxfb_imageblit (struct fb_info *p , const struct fb_image *image ); ARGUMENTS p -- undescribed -- image structur...
xxxfb_open(9)
NAME xxxfb_open - Optional function. Called when the framebuffer is first accessed. SYNOPSIS int xxxfb_open (struct fb_info *info , int user ); ARGUMENTS info frame buffer structure that represents a single frame buffer user tell us if the userland (value=1) or the console is accessing the frame...
xxxfb_pan_display(9)
NAME xxxfb_pan_display - NOT a required function. Pans the display. SYNOPSIS int xxxfb_pan_display (struct fb_var_screeninfo *var , struct fb_info *info ); ARGUMENTS var frame buffer variable screen structure info frame buffer structure that represents a single frame buffer DESCRIPTION Pan (or...
xxxfb_release(9)
NAME xxxfb_release - Optional function. Called when the framebuffer device is closed. SYNOPSIS int xxxfb_release (struct fb_info *info , int user ); ARGUMENTS info frame buffer structure that represents a single frame buffer user tell us if the userland (value=1) or the console is accessing the ...