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xenbus_switch_state(9)
NAME xenbus_switch_state - save the new state of a driver SYNOPSIS int xenbus_switch_state (struct xenbus_device *dev , enum xenbus_state state ); ARGUMENTS dev xenbus device state new state DESCRIPTION Advertise in the store a change of the given driver to the given new_state. On error, the d...
xenbus_unmap_ring(9)
NAME xenbus_unmap_ring - unmap memory from another domain SYNOPSIS int xenbus_unmap_ring (struct xenbus_device *dev , grant_handle_t *handles , unsigned int nr_handles , unsigned long *vaddrs ); ARGUMENTS dev xenbus device handles grant handle array nr_handles number of handles in the arr...
xenbus_unmap_ring_vfree(9)
NAME xenbus_unmap_ring_vfree - unmap a page of memory from another domain SYNOPSIS int xenbus_unmap_ring_vfree (struct xenbus_device *dev , void *vaddr ); ARGUMENTS dev xenbus device vaddr addr to unmap DESCRIPTION Based on Rusty Russell's skeleton driver's unmap_page. Unmap a page of memor...
xenbus_watch_path(9)
NAME xenbus_watch_path - register a watch SYNOPSIS int xenbus_watch_path (struct xenbus_device *dev , const char *path , struct xenbus_watch *watch , bool (*will_handle)(struct xenbus_watch *, const char *, const char *) , void (*callback)(struct xenbus_watch *, const char *, const char *) ); ARGUMENTS dev ...
xenbus_watch_pathfmt(9)
NAME xenbus_watch_pathfmt - register a watch on a sprintf-formatted path SYNOPSIS int xenbus_watch_pathfmt (struct xenbus_device *dev , struct xenbus_watch *watch , bool (*will_handle)(struct xenbus_watch *, const char *, const char *) , void (*callback)(struct xenbus_watch *, const char *, const char *) , const char...
xencrypt(3)
NAME xencrypt, xdecrypt, passwd2des - RFS password encryption LIBRARY Standard C library (libc, -lc) SYNOPSIS #include <rpc/des_crypt.h> void passwd2des(char *passwd, char *key); int xencrypt(char *secret, char *passwd); int xdecrypt(char *secret, char *passwd); DESCRIPTION WARNING: Do not use...
xent_key_init(9)
NAME xent_key_init - initialize extended attribute entry key. SYNOPSIS void xent_key_init (const struct ubifs_info *c , union ubifs_key *key , ino_t inum , const struct fscrypt_name *nm ); ARGUMENTS c UBIFS file-system description object key key to initialize inum host inode n...
xent_key_init_flash(9)
NAME xent_key_init_flash - initialize on-flash extended attribute entry key. SYNOPSIS void xent_key_init_flash (const struct ubifs_info *c , void *k , ino_t inum , const struct fscrypt_name *nm ); ARGUMENTS c UBIFS file-system description object k key to initialize inum host...
xetex(1)
NAME xetex - extended TeX with native support for Unicode, OpenType, system fonts SYNOPSIS xetex [options] [&format] [file|\commands] DESCRIPTION XeTeX (xetex) is a TeX engine with native support for Unicode, OpenType, and system-installed fonts, using third-party libraries (such as ICU, HarfBuzz, and Freetype). It w...
xetex-unsafe(1)
NAME xetex-unsafe, xelatex-unsafe - run xe(la)latex unsafely SYNOPSIS xetex-unsafe [xetex-options] xelatex-unsafe [xetex-options] DESCRIPTION xetex-unsafe (xelatex-unsafe) runs XeTeX (XeLaTeX) unsafely; specifically, using the dvipdfmx-unsafe.cfg configuration file. As of TeX Live 2022, doing this is necessar...
xfer_get_init(9)
NAME xfer_get_init - Allocate and initialise one message for transmit SYNOPSIS int xfer_get_init (const struct scmi_protocol_handle *ph , u8 msg_id , size_t tx_size , size_t rx_size , struct scmi_xfer **p ); ARGUMENTS ph Pointer to SCMI protocol handle msg_id Message identifier tx_size ...
xfer_put(9)
NAME xfer_put - Release a transmit message SYNOPSIS void xfer_put (const struct scmi_protocol_handle *ph , struct scmi_xfer *xfer ); ARGUMENTS ph Pointer to SCMI protocol handle xfer message that was reserved by xfer_get_init SEE ALSO Kernel file ./drivers/firmware/arm_scmi/driver.c struct...
xfer_to_guest_mode_handle_work(9)
NAME xfer_to_guest_mode_handle_work - Check and handle pending work which needs to be handled before going to guest mode SYNOPSIS int xfer_to_guest_mode_handle_work (void ); ARGUMENTS void no arguments RETURN 0 or an error code SEE ALSO Kernel file ./include/linux/entry-virt.h arch_xfer_to_guest_mode_handle_...
xfer_to_guest_mode_prepare(9)
NAME xfer_to_guest_mode_prepare - Perform last minute preparation work that need to be handled while IRQs are disabled upon entering to guest. SYNOPSIS void xfer_to_guest_mode_prepare (void ); ARGUMENTS void no arguments DESCRIPTION Has to be invoked with interrupts disabled before the last call to xfer_to_gu...
xfer_to_guest_mode_work_pending(9)
NAME xfer_to_guest_mode_work_pending - Check if work is pending which needs to be handled before returning to guest mode SYNOPSIS bool xfer_to_guest_mode_work_pending (void ); ARGUMENTS void no arguments RETURN True if work pending, False otherwise. DESCRIPTION Has to be invoked with interrupts disabled befo...
xfs_btree_agblock_v5hdr_verify(9)
NAME xfs_btree_agblock_v5hdr_verify - - verify the v5 fields of a short-format btree block SYNOPSIS xfs_failaddr_t xfs_btree_agblock_v5hdr_verify (struct xfs_buf *bp ); ARGUMENTS bp buffer containing the btree block SEE ALSO Kernel file ./fs/xfs/libxfs/xfs_btree.c xfs_btree_agblock_verify(9) April 2026 ...
xfs_btree_agblock_verify(9)
NAME xfs_btree_agblock_verify - - verify a short-format btree block SYNOPSIS xfs_failaddr_t xfs_btree_agblock_verify (struct xfs_buf *bp , unsigned int max_recs ); ARGUMENTS bp buffer containing the btree block max_recs maximum records allowed in this btree node SEE ALSO Kernel file ./fs/xfs/libx...
xfsdist.bt(8)
NAME xfsdist.bt - Summarize XFS operation latency. Uses bpftrace/eBPF. SYNOPSIS xfsdist.bt DESCRIPTION This tool summarizes time (latency) spent in common XFS file operations: reads, writes, opens, and syncs, and presents it as a power-of-2 histogram. It uses an in-kernel eBPF map to store the histogram for efficienc...
xgene_ahci_do_hardreset(9)
NAME xgene_ahci_do_hardreset - Issue the actual COMRESET SYNOPSIS int xgene_ahci_do_hardreset (struct ata_link *link , unsigned long deadline , bool *online ); ARGUMENTS link link to reset deadline deadline jiffies for the operation online Return value to indicate if device online DESC...
xgene_ahci_handle_broken_edge_irq(9)
NAME xgene_ahci_handle_broken_edge_irq - Handle the broken irq. SYNOPSIS int xgene_ahci_handle_broken_edge_irq (struct ata_host *host , u32 irq_masked ); ARGUMENTS host Host that received the irq irq_masked HOST_IRQ_STAT value DESCRIPTION For hardware with broken edge trigger latch the HOST_IRQ_STAT ...
xgene_ahci_pmp_softreset(9)
NAME xgene_ahci_pmp_softreset - Issue the softreset to the drives connected to Port Multiplier. SYNOPSIS int xgene_ahci_pmp_softreset (struct ata_link *link , unsigned int *class , unsigned long deadline ); ARGUMENTS link link to reset class Return value to indicate class of device deadli...
xgene_ahci_poll_reg_val(9)
NAME xgene_ahci_poll_reg_val - Poll a register on a specific value. SYNOPSIS int xgene_ahci_poll_reg_val (struct ata_port *ap , void __iomem *reg , unsigned int val , unsigned int interval , unsigned int timeout ); ARGUMENTS ap ATA port of interest. reg Register of interest. val ...
xgene_ahci_qc_issue(9)
NAME xgene_ahci_qc_issue - Issue commands to the device SYNOPSIS unsigned int xgene_ahci_qc_issue (struct ata_queued_cmd *qc ); ARGUMENTS qc Command to issue DESCRIPTION Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot clear the BSY bit after receiving the PIO setup FIS. This resul...
xgene_ahci_read_id(9)
NAME xgene_ahci_read_id - Read ID data from the specified device SYNOPSIS unsigned int xgene_ahci_read_id (struct ata_device *dev , struct ata_taskfile *tf , __le16 *id ); ARGUMENTS dev device tf proposed taskfile id data buffer DESCRIPTION This custom read ID function is re...
xgene_ahci_restart_engine(9)
NAME xgene_ahci_restart_engine - Restart the dma engine. SYNOPSIS int xgene_ahci_restart_engine (struct ata_port *ap ); ARGUMENTS ap ATA port of interest DESCRIPTION Waits for completion of multiple commands and restarts the DMA engine inside the controller. SEE ALSO Kernel file ./drivers/ata/ahci_xgene....
xgene_ahci_softreset(9)
NAME xgene_ahci_softreset - Issue the softreset to the drive. SYNOPSIS int xgene_ahci_softreset (struct ata_link *link , unsigned int *class , unsigned long deadline ); ARGUMENTS link link to reset class Return value to indicate class of device deadline deadline jiffies for the operati...
xgene_chan_xfer_ld_pending(9)
NAME xgene_chan_xfer_ld_pending - push any pending transactions to hw SYNOPSIS void xgene_chan_xfer_ld_pending (struct xgene_dma_chan *chan ); ARGUMENTS chan X-Gene DMA channel DESCRIPTION LOCKING: must hold chan->lock SEE ALSO Kernel file ./drivers/dma/xgene-dma.c struct xgene_dma_chan(9), struct...
xgene_dma_clean_completed_descriptor(9)
NAME xgene_dma_clean_completed_descriptor - free all descriptors which has been completed and acked SYNOPSIS void xgene_dma_clean_completed_descriptor (struct xgene_dma_chan *chan ); ARGUMENTS chan X-Gene DMA channel DESCRIPTION This function is used on all completed and acked descriptors. SEE ALSO Kernel f...
xgene_dma_clean_running_descriptor(9)
NAME xgene_dma_clean_running_descriptor - move the completed descriptor from ld_running to ld_completed SYNOPSIS void xgene_dma_clean_running_descriptor (struct xgene_dma_chan *chan , struct xgene_dma_desc_sw *desc ); ARGUMENTS chan X-Gene DMA channel desc the descriptor which is completed DESC...
xgene_dma_cleanup_descriptors(9)
NAME xgene_dma_cleanup_descriptors - cleanup link descriptors which are completed and move them to ld_completed to free until flag 'ack' is set SYNOPSIS void xgene_dma_cleanup_descriptors (struct xgene_dma_chan *chan ); ARGUMENTS chan X-Gene DMA channel DESCRIPTION This function is used on descriptors which h...
xgene_dma_free_desc_list(9)
NAME xgene_dma_free_desc_list - Free all descriptors in a queue SYNOPSIS void xgene_dma_free_desc_list (struct xgene_dma_chan *chan , struct list_head *list ); ARGUMENTS chan X-Gene DMA channel list the list to free DESCRIPTION LOCKING: must hold chan->lock SEE ALSO Kernel file ./drivers/...
xgene_dma_run_tx_complete_actions(9)
NAME xgene_dma_run_tx_complete_actions - cleanup a single link descriptor SYNOPSIS void xgene_dma_run_tx_complete_actions (struct xgene_dma_chan *chan , struct xgene_dma_desc_sw *desc ); ARGUMENTS chan X-Gene DMA channel desc descriptor to cleanup and free DESCRIPTION This function is used on a...
xgmac_change_mtu(9)
NAME xgmac_change_mtu - entry point to change MTU size for the device. SYNOPSIS int xgmac_change_mtu (struct net_device *dev , int new_mtu ); ARGUMENTS dev device pointer. new_mtu the new MTU size for the device. DESCRIPTION the Maximum Transfer Unit (MTU) is used by the network layer to drive pa...
xgmac_dma_desc_rings_init(9)
NAME xgmac_dma_desc_rings_init - init the RX/TX descriptor rings SYNOPSIS int xgmac_dma_desc_rings_init (struct net_device *dev ); ARGUMENTS dev net device structure DESCRIPTION this function initializes the DMA RX/TX descriptors and allocates the socket buffers. SEE ALSO Kernel file ./drivers/net/etherne...
xgmac_open(9)
NAME xgmac_open - open entry point of the driver SYNOPSIS int xgmac_open (struct net_device *dev ); ARGUMENTS dev pointer to the device structure. DESCRIPTION This function is the open entry point of the driver. Return value: 0 on success and an appropriate (-)ve integer as defined in errno.h file on failur...
xgmac_poll(9)
NAME xgmac_poll - xgmac poll method (NAPI) SYNOPSIS int xgmac_poll (struct napi_struct *napi , int budget ); ARGUMENTS napi pointer to the napi structure. budget maximum number of packets that the current CPU can receive from all interfaces. DESCRIPTION This function implements the reception proc...
xgmac_probe(9)
NAME xgmac_probe - SYNOPSIS int xgmac_probe (struct platform_device *pdev ); ARGUMENTS pdev platform device pointer DESCRIPTION the driver is initialized through platform_device. SEE ALSO Kernel file ./drivers/net/ethernet/calxeda/xgmac.c xgmac_dma_desc_rings_init(9), xgmac_tx_complete(9), xgmac_open(9...
xgmac_remove(9)
NAME xgmac_remove - SYNOPSIS void xgmac_remove (struct platform_device *pdev ); ARGUMENTS pdev platform device pointer DESCRIPTION this function resets the TX/RX processes, disables the MAC RX/TX changes the link status, releases the DMA descriptor rings, unregisters the MDIO bus and unmaps the allocated memo...
xgmac_set_rx_mode(9)
NAME xgmac_set_rx_mode - entry point for multicast addressing SYNOPSIS void xgmac_set_rx_mode (struct net_device *dev ); ARGUMENTS dev pointer to the device structure DESCRIPTION This function is a driver entry point which gets called by the kernel whenever multicast addresses must be enabled/disabled. Retu...
xgmac_stop(9)
NAME xgmac_stop - close entry point of the driver SYNOPSIS int xgmac_stop (struct net_device *dev ); ARGUMENTS dev device pointer. DESCRIPTION This is the stop entry point of the driver. SEE ALSO Kernel file ./drivers/net/ethernet/calxeda/xgmac.c xgmac_dma_desc_rings_init(9), xgmac_tx_complete(9), xgma...
xgmac_tx_complete(9)
NAME xgmac_tx_complete - SYNOPSIS void xgmac_tx_complete (struct xgmac_priv *priv ); ARGUMENTS priv private driver structure DESCRIPTION it reclaims resources after transmission completes. SEE ALSO Kernel file ./drivers/net/ethernet/calxeda/xgmac.c xgmac_dma_desc_rings_init(9), xgmac_open(9), xgmac_stop(9),...
xgmac_tx_timeout(9)
NAME xgmac_tx_timeout - SYNOPSIS void xgmac_tx_timeout (struct net_device *dev , unsigned int txqueue ); ARGUMENTS dev Pointer to net device structure txqueue index of the hung transmit queue DESCRIPTION this function is called when a packet transmission fails to complete within a reasonable t...
xgmac_xmit(9)
NAME xgmac_xmit - SYNOPSIS netdev_tx_t xgmac_xmit (struct sk_buff *skb , struct net_device *dev ); ARGUMENTS skb the socket buffer dev device pointer DESCRIPTION Tx entry point of the driver. SEE ALSO Kernel file ./drivers/net/ethernet/calxeda/xgmac.c xgmac_dma_desc_rings_init(9), xgmac_...
xgpio_dir_in(9)
NAME xgpio_dir_in - Set the direction of the specified GPIO signal as input. SYNOPSIS int xgpio_dir_in (struct gpio_chip *gc , unsigned int gpio ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. RETURN 0 - if direction of GPIO signals is set as input otherwise it...
xgpio_dir_out(9)
NAME xgpio_dir_out - Set the direction of the specified GPIO signal as output. SYNOPSIS int xgpio_dir_out (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 sig...
xgpio_get(9)
NAME xgpio_get - Read the specified signal of the GPIO device. SYNOPSIS int xgpio_get (struct gpio_chip *gc , unsigned int gpio ); ARGUMENTS gc Pointer to gpio_chip device structure. gpio GPIO signal number. DESCRIPTION This function reads the specified signal of the GPIO device. RETURN 0 if...
xgpio_irq_ack(9)
NAME xgpio_irq_ack - Acknowledge a child GPIO interrupt. SYNOPSIS void xgpio_irq_ack (struct irq_data *irq_data ); ARGUMENTS irq_data per IRQ and chip data passed down to chip functions This currently does nothing, but irq_ack is unconditionally called by handle_edge_irq and therefore must be defined. SEE ALSO Ke...
xgpio_irq_mask(9)
NAME xgpio_irq_mask - Write the specified signal of the GPIO device. SYNOPSIS void xgpio_irq_mask (struct irq_data *irq_data ); ARGUMENTS irq_data per IRQ and chip data passed down to chip functions SEE ALSO Kernel file ./drivers/gpio/gpio-xilinx.c struct xgpio_instance(9), xgpio_get(9), xgpio_set(9), xgpio_set_m...
xgpio_irq_unmask(9)
NAME xgpio_irq_unmask - Write the specified signal of the GPIO device. SYNOPSIS void xgpio_irq_unmask (struct irq_data *irq_data ); ARGUMENTS irq_data per IRQ and chip data passed down to chip functions SEE ALSO Kernel file ./drivers/gpio/gpio-xilinx.c struct xgpio_instance(9), xgpio_get(9), xgpio_set(9), ...
xgpio_irqhandler(9)
NAME xgpio_irqhandler - Gpio interrupt service routine SYNOPSIS void xgpio_irqhandler (struct irq_desc *desc ); ARGUMENTS desc Pointer to interrupt description SEE ALSO Kernel file ./drivers/gpio/gpio-xilinx.c struct xgpio_instance(9), xgpio_get(9), xgpio_set(9), xgpio_set_multiple(9), xgpio_dir_in(9)...
xgpio_probe(9)
NAME xgpio_probe - Probe method for the GPIO device. SYNOPSIS int xgpio_probe (struct platform_device *pdev ); ARGUMENTS pdev pointer to the platform device RETURN It returns 0, if the driver is bound to the GPIO device, or a negative value if there is an error. SEE ALSO Kernel file ./drivers/gpio/gpio-xil...
xgpio_remove(9)
NAME xgpio_remove - Remove method for the GPIO device. SYNOPSIS void xgpio_remove (struct platform_device *pdev ); ARGUMENTS pdev pointer to the platform device DESCRIPTION This function remove gpiochips and frees all the allocated resources. RETURN 0 always SEE ALSO Kernel file ./drivers/gpio/gpio-xilinx...
xgpio_save_regs(9)
NAME xgpio_save_regs - Set initial values of GPIO pins SYNOPSIS void xgpio_save_regs (struct xgpio_instance *chip ); ARGUMENTS chip Pointer to GPIO instance SEE ALSO Kernel file ./drivers/gpio/gpio-xilinx.c struct xgpio_instance(9), xgpio_get(9), xgpio_set(9), xgpio_set_multiple(9), xgpio_dir_in(9), xgpio_di...
xgpio_set(9)
NAME xgpio_set - Write the specified signal of the GPIO device. SYNOPSIS int xgpio_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 T...
xgpio_set_irq_type(9)
NAME xgpio_set_irq_type - Write the specified signal of the GPIO device. SYNOPSIS int xgpio_set_irq_type (struct irq_data *irq_data , unsigned int type ); ARGUMENTS irq_data Per IRQ and chip data passed down to chip functions type Interrupt type that is to be set for the gpio pin RETURN 0 if interr...
xgpio_set_multiple(9)
NAME xgpio_set_multiple - Write the specified signals of the GPIO device. SYNOPSIS int xgpio_set_multiple (struct gpio_chip *gc , unsigned long *mask , unsigned long *bits ); ARGUMENTS gc Pointer to gpio_chip device structure. mask Mask of the GPIOS to modify. bits Value to be w...
xgpu_ai_mailbox_handle_bad_pages_work(9)
NAME xgpu_ai_mailbox_handle_bad_pages_work - Reinitialize the data exchange region to get fresh bad page information SYNOPSIS void xgpu_ai_mailbox_handle_bad_pages_work (struct work_struct *work ); ARGUMENTS work pointer to the work_struct DESCRIPTION This work handler is triggered when bad pages are ready, a...
xgpu_nv_mailbox_handle_bad_pages_work(9)
NAME xgpu_nv_mailbox_handle_bad_pages_work - Reinitialize the data exchange region to get fresh bad page information SYNOPSIS void xgpu_nv_mailbox_handle_bad_pages_work (struct work_struct *work ); ARGUMENTS work pointer to the work_struct DESCRIPTION This work handler is triggered when bad pages are ready, a...
xhci_get_endpoint_index(9)
NAME xhci_get_endpoint_index - Used for passing endpoint bitmasks between the core and HCDs. Find the index for an endpoint given its descriptor. Use the return value to right shift 1 for the bitmask. SYNOPSIS unsigned int xhci_get_endpoint_index (struct usb_endpoint_descriptor *desc ); ARGUMENTS desc USB endp...
xhci_port_is_tunneled(9)
NAME xhci_port_is_tunneled - Check if USB3 connection is tunneled over USB4 SYNOPSIS enum usb_link_tunnel_mode xhci_port_is_tunneled (struct xhci_hcd *xhci , struct xhci_port *port ); ARGUMENTS xhci xhci host controller port USB3 port to be checked. DESCRIPTION Some hosts can detect if a USB...
xhci_port_state_to_neutral(9)
NAME xhci_port_state_to_neutral - Clean up read portsc value back into writeable SYNOPSIS u32 xhci_port_state_to_neutral (u32 state ); ARGUMENTS state u32 port value read from portsc register to be cleanup up DESCRIPTION Given a port state, this function returns a value that would result in the port being ...
xhci_setup_device(9)
NAME xhci_setup_device - issues an Address Device command to assign a unique USB bus address. SYNOPSIS int xhci_setup_device (struct usb_hcd *hcd , struct usb_device *udev , enum xhci_setup_dev setup , unsigned int timeout_ms ); ARGUMENTS hcd USB host controller data structure. udev USB dev str...
xhci_sideband_add_endpoint(9)
NAME xhci_sideband_add_endpoint - add endpoint to sideband access list SYNOPSIS int xhci_sideband_add_endpoint (struct xhci_sideband *sb , struct usb_host_endpoint *host_ep ); ARGUMENTS sb sideband instance for this usb device host_ep usb host endpoint DESCRIPTION Adds an endpoint to the list of...
xhci_sideband_check(9)
NAME xhci_sideband_check - check the existence of active sidebands SYNOPSIS bool xhci_sideband_check (struct usb_hcd *hcd ); ARGUMENTS hcd the host controller driver associated with the target host controller DESCRIPTION Allow other drivers, such as usb controller driver, to check if there are any sideband a...
xhci_sideband_create_interrupter(9)
NAME xhci_sideband_create_interrupter - creates a new interrupter for this sideband SYNOPSIS int xhci_sideband_create_interrupter (struct xhci_sideband *sb , int num_seg , bool ip_autoclear , u32 imod_interval , int intr_num ); ARGUMENTS sb sideband instance for this usb device num_seg number of ...
xhci_sideband_get_endpoint_buffer(9)
NAME xhci_sideband_get_endpoint_buffer - gets the endpoint transfer buffer address SYNOPSIS struct sg_table * xhci_sideband_get_endpoint_buffer (struct xhci_sideband *sb , struct usb_host_endpoint *host_ep ); ARGUMENTS sb sideband instance for this usb device host_ep usb host endpoint DESCRIPTIO...
xhci_sideband_get_event_buffer(9)
NAME xhci_sideband_get_event_buffer - return the event buffer for this device SYNOPSIS struct sg_table * xhci_sideband_get_event_buffer (struct xhci_sideband *sb ); ARGUMENTS sb sideband instance for this usb device DESCRIPTION If a secondary xhci interupter is set up for this usb device then this function ...
xhci_sideband_interrupter_id(9)
NAME xhci_sideband_interrupter_id - return the interrupter target id SYNOPSIS int xhci_sideband_interrupter_id (struct xhci_sideband *sb ); ARGUMENTS sb sideband instance for this usb device DESCRIPTION If a secondary xhci interrupter is set up for this usb device then this function returns the ID used by t...
xhci_sideband_notify_ep_ring_free(9)
NAME xhci_sideband_notify_ep_ring_free - notify client of xfer ring free SYNOPSIS void xhci_sideband_notify_ep_ring_free (struct xhci_sideband *sb , unsigned int ep_index ); ARGUMENTS sb sideband instance for this usb device ep_index usb endpoint index DESCRIPTION Notifies the xHCI sideband clie...
xhci_sideband_register(9)
NAME xhci_sideband_register - register a sideband for a usb device SYNOPSIS struct xhci_sideband * xhci_sideband_register (struct usb_interface *intf , enum xhci_sideband_type type , int (*notify_client)(struct usb_interface *intf, struct xhci_sideband_event *evt) ); ARGUMENTS intf usb interface associated wit...
xhci_sideband_remove_endpoint(9)
NAME xhci_sideband_remove_endpoint - remove endpoint from sideband access list SYNOPSIS int xhci_sideband_remove_endpoint (struct xhci_sideband *sb , struct usb_host_endpoint *host_ep ); ARGUMENTS sb sideband instance for this usb device host_ep usb host endpoint DESCRIPTION Removes an endpoint ...
xhci_sideband_remove_interrupter(9)
NAME xhci_sideband_remove_interrupter - remove the interrupter from a sideband SYNOPSIS void xhci_sideband_remove_interrupter (struct xhci_sideband *sb ); ARGUMENTS sb sideband instance for this usb device DESCRIPTION Removes a registered interrupt for a sideband. This would allow for other sideband users ...
xhci_sideband_unregister(9)
NAME xhci_sideband_unregister - unregister sideband access to a usb device SYNOPSIS void xhci_sideband_unregister (struct xhci_sideband *sb ); ARGUMENTS sb sideband instance to be unregistered DESCRIPTION Unregisters sideband access to a usb device and frees the sideband instance. After this the endpoint a...
xiic_setclk(9)
NAME xiic_setclk - Sets the configured clock rate SYNOPSIS int xiic_setclk (struct xiic_i2c *i2c ); ARGUMENTS i2c Pointer to the xiic device structure DESCRIPTION The timing register values are calculated according to the input clock frequency and configured scl frequency. For details, please refer the AXI I...
xilinx_axidma_alloc_tx_segment(9)
NAME xilinx_axidma_alloc_tx_segment - Allocate transaction segment SYNOPSIS struct xilinx_axidma_tx_segment * xilinx_axidma_alloc_tx_segment (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN The allocated segment on success and NULL on failure. SEE ALSO Kernel file ./drivers/...
xilinx_aximcdma_alloc_tx_segment(9)
NAME xilinx_aximcdma_alloc_tx_segment - Allocate transaction segment SYNOPSIS struct xilinx_aximcdma_tx_segment * xilinx_aximcdma_alloc_tx_segment (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN The allocated segment on success and NULL on failure. SEE ALSO Kernel file ./dr...
xilinx_cdma_alloc_tx_segment(9)
NAME xilinx_cdma_alloc_tx_segment - Allocate transaction segment SYNOPSIS struct xilinx_cdma_tx_segment * xilinx_cdma_alloc_tx_segment (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN The allocated segment on success and NULL on failure. SEE ALSO Kernel file ./drivers/dma/xi...
xilinx_cdma_free_tx_segment(9)
NAME xilinx_cdma_free_tx_segment - Free transaction segment SYNOPSIS void xilinx_cdma_free_tx_segment (struct xilinx_dma_chan *chan , struct xilinx_cdma_tx_segment *segment ); ARGUMENTS chan Driver specific DMA channel segment DMA transaction segment SEE ALSO Kernel file ./drivers/dma/xilinx/xilin...
xilinx_cdma_prep_memcpy(9)
NAME xilinx_cdma_prep_memcpy - prepare descriptors for a memcpy transaction SYNOPSIS struct dma_async_tx_descriptor * xilinx_cdma_prep_memcpy (struct dma_chan *dchan , dma_addr_t dma_dst , dma_addr_t dma_src , size_t len , unsigned long flags ); ARGUMENTS dchan DMA channel dma_dst destination addres...
xilinx_cdma_start_transfer(9)
NAME xilinx_cdma_start_transfer - Starts cdma transfer SYNOPSIS void xilinx_cdma_start_transfer (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific channel struct pointer SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct x...
xilinx_cdma_stop_transfer(9)
NAME xilinx_cdma_stop_transfer - Wait for the current transfer to complete SYNOPSIS int xilinx_cdma_stop_transfer (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_h...
xilinx_cpm_pcie_init_irq_domain(9)
NAME xilinx_cpm_pcie_init_irq_domain - Initialize IRQ domain SYNOPSIS int xilinx_cpm_pcie_init_irq_domain (struct xilinx_cpm_pcie *port ); ARGUMENTS port PCIe port information RETURN SEE ALSO Kernel file ./drivers/pci/controller/pcie-xilinx-cpm.c struct xilinx_cpm_variant(9), struct xilinx_cpm_pci...
xilinx_cpm_pcie_init_port(9)
NAME xilinx_cpm_pcie_init_port - Initialize hardware SYNOPSIS void xilinx_cpm_pcie_init_port (struct xilinx_cpm_pcie *port ); ARGUMENTS port PCIe port information SEE ALSO Kernel file ./drivers/pci/controller/pcie-xilinx-cpm.c struct xilinx_cpm_variant(9), struct xilinx_cpm_pcie(9), xilinx_cpm_pcie_in...
xilinx_cpm_pcie_intx_map(9)
NAME xilinx_cpm_pcie_intx_map - Set the handler for the INTx and mark IRQ as valid SYNOPSIS int xilinx_cpm_pcie_intx_map (struct irq_domain *domain , unsigned int irq , irq_hw_number_t hwirq ); ARGUMENTS domain IRQ domain irq Virtual IRQ number hwirq HW interrupt number RETURN Alwa...
xilinx_cpm_pcie_parse_dt(9)
NAME xilinx_cpm_pcie_parse_dt - Parse Device tree SYNOPSIS int xilinx_cpm_pcie_parse_dt (struct xilinx_cpm_pcie *port , struct resource *bus_range ); ARGUMENTS port PCIe port information bus_range Bus resource RETURN SEE ALSO Kernel file ./drivers/pci/controller/pcie-xilinx-cpm.c struct xilinx_c...
xilinx_cpm_pcie_probe(9)
NAME xilinx_cpm_pcie_probe - Probe function SYNOPSIS int xilinx_cpm_pcie_probe (struct platform_device *pdev ); ARGUMENTS pdev Platform device pointer RETURN SEE ALSO Kernel file ./drivers/pci/controller/pcie-xilinx-cpm.c struct xilinx_cpm_variant(9), struct xilinx_cpm_pcie(9), xilinx_cpm_pcie_intx_map(9), xi...
xilinx_dma_alloc_chan_resources(9)
NAME xilinx_dma_alloc_chan_resources - Allocate channel resources SYNOPSIS int xilinx_dma_alloc_chan_resources (struct dma_chan *dchan ); ARGUMENTS dchan DMA channel RETURN SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct xilinx_aximc...
xilinx_dma_alloc_tx_descriptor(9)
NAME xilinx_dma_alloc_tx_descriptor - Allocate transaction descriptor SYNOPSIS struct xilinx_dma_tx_descriptor * xilinx_dma_alloc_tx_descriptor (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN The allocated descriptor on success and NULL on failure. SEE ALSO Kernel file ./dr...
xilinx_dma_calc_copysize(9)
NAME xilinx_dma_calc_copysize - Calculate the amount of data to copy SYNOPSIS int xilinx_dma_calc_copysize (struct xilinx_dma_chan *chan , int size , int done ); ARGUMENTS chan Driver specific DMA channel size Total data that needs to be copied done Amount of data that has been al...
xilinx_dma_chan_desc_cleanup(9)
NAME xilinx_dma_chan_desc_cleanup - Clean channel descriptors SYNOPSIS void xilinx_dma_chan_desc_cleanup (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct xil...
xilinx_dma_chan_handle_cyclic(9)
NAME xilinx_dma_chan_handle_cyclic - Cyclic dma callback SYNOPSIS void xilinx_dma_chan_handle_cyclic (struct xilinx_dma_chan *chan , struct xilinx_dma_tx_descriptor *desc , unsigned long *flags ); ARGUMENTS chan Driver specific dma channel desc dma transaction descriptor flags flag...
xilinx_dma_chan_probe(9)
NAME xilinx_dma_chan_probe - Per Channel Probing It get channel features from the device tree entry and initialize special channel handling routines SYNOPSIS int xilinx_dma_chan_probe (struct xilinx_dma_device *xdev , struct device_node *node ); ARGUMENTS xdev Driver specific device structure node ...
xilinx_dma_chan_remove(9)
NAME xilinx_dma_chan_remove - Per Channel remove function SYNOPSIS void xilinx_dma_chan_remove (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct xilinx_aximcd...
xilinx_dma_chan_reset(9)
NAME xilinx_dma_chan_reset - Reset DMA channel and enable interrupts SYNOPSIS int xilinx_dma_chan_reset (struct xilinx_dma_chan *chan ); ARGUMENTS chan Driver specific DMA channel RETURN SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), stru...
xilinx_dma_child_probe(9)
NAME xilinx_dma_child_probe - Per child node probe It get number of dma-channels per child node from device-tree and initializes all the channels. SYNOPSIS int xilinx_dma_child_probe (struct xilinx_dma_device *xdev , struct device_node *node ); ARGUMENTS xdev Driver specific device structure node ...
xilinx_dma_complete_descriptor(9)
NAME xilinx_dma_complete_descriptor - Mark the active descriptor as complete SYNOPSIS void xilinx_dma_complete_descriptor (struct xilinx_dma_chan *chan ); ARGUMENTS chan xilinx DMA channel CONTEXT hardirq SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axid...
xilinx_dma_device_config(9)
NAME xilinx_dma_device_config - Configure the DMA channel SYNOPSIS int xilinx_dma_device_config (struct dma_chan *dchan , struct dma_slave_config *config ); ARGUMENTS dchan DMA channel config channel configuration RETURN 0 always. SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xili...
xilinx_dma_do_tasklet(9)
NAME xilinx_dma_do_tasklet - Schedule completion tasklet SYNOPSIS void xilinx_dma_do_tasklet (struct tasklet_struct *t ); ARGUMENTS t Pointer to the Xilinx DMA channel structure SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct xil...
xilinx_dma_free_chan_resources(9)
NAME xilinx_dma_free_chan_resources - Free channel resources SYNOPSIS void xilinx_dma_free_chan_resources (struct dma_chan *dchan ); ARGUMENTS dchan DMA channel SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c struct xilinx_vdma_desc_hw(9), struct xilinx_axidma_desc_hw(9), struct xilinx_aximcdma_desc_hw(...
xilinx_dma_free_desc_list(9)
NAME xilinx_dma_free_desc_list - Free descriptors list SYNOPSIS void xilinx_dma_free_desc_list (struct xilinx_dma_chan *chan , struct list_head *list ); ARGUMENTS chan Driver specific DMA channel list List to parse and delete the descriptor SEE ALSO Kernel file ./drivers/dma/xilinx/xilinx_dma.c...