usb_busdma.h File Reference

#include <sys/uio.h>
#include <sys/mbuf.h>
#include <machine/bus.h>

Include dependency graph for usb_busdma.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	usb_page
struct	usb_page_search
struct	usb_page_cache
struct	usb_dma_parent_tag
struct	usb_dma_tag

Macros
#define	USB_PAGE_SIZE   PAGE_SIZE /* use system PAGE_SIZE */
#define	USB_GET_DMA_TAG(dev)   NULL /* XXX */

Typedefs
typedef void()	usb_dma_callback_t(struct usb_dma_parent_tag *udpt)

Functions
int	usb_uiomove (struct usb_page_cache *pc, struct uio *uio, usb_frlength_t pc_offset, usb_frlength_t len)
struct usb_dma_tag *	usb_dma_tag_find (struct usb_dma_parent_tag *udpt, usb_size_t size, usb_size_t align)
uint8_t	usb_pc_alloc_mem (struct usb_page_cache *pc, struct usb_page *pg, usb_size_t size, usb_size_t align)
uint8_t	usb_pc_dmamap_create (struct usb_page_cache *pc, usb_size_t size)
uint8_t	usb_pc_load_mem (struct usb_page_cache *pc, usb_size_t size, uint8_t sync)
void	usb_bdma_done_event (struct usb_dma_parent_tag *udpt)
void	usb_bdma_post_sync (struct usb_xfer *xfer)
void	usb_bdma_pre_sync (struct usb_xfer *xfer)
void	usb_bdma_work_loop (struct usb_xfer_queue *pq)
void	usb_dma_tag_setup (struct usb_dma_parent_tag *udpt, struct usb_dma_tag *udt, bus_dma_tag_t dmat, struct mtx *mtx, usb_dma_callback_t *func, uint8_t ndmabits, uint8_t nudt)
void	usb_dma_tag_unsetup (struct usb_dma_parent_tag *udpt)
void	usb_pc_cpu_flush (struct usb_page_cache *pc)
void	usb_pc_cpu_invalidate (struct usb_page_cache *pc)
void	usb_pc_dmamap_destroy (struct usb_page_cache *pc)
void	usb_pc_free_mem (struct usb_page_cache *pc)
uint8_t	usb_pc_buffer_is_aligned (struct usb_page_cache *pc, usb_frlength_t offset, usb_frlength_t len, usb_frlength_t mask)

Macro Definition Documentation

USB_GET_DMA_TAG

#define USB_GET_DMA_TAG

(

dev

)

NULL /* XXX */

Definition at line 46 of file usb_busdma.h.

USB_PAGE_SIZE

#define USB_PAGE_SIZE   PAGE_SIZE /* use system PAGE_SIZE */

Definition at line 41 of file usb_busdma.h.

Typedef Documentation

usb_dma_callback_t

typedef void() usb_dma_callback_t(struct usb_dma_parent_tag *udpt)

Definition at line 59 of file usb_busdma.h.

Function Documentation

usb_bdma_done_event()

void usb_bdma_done_event

(

struct usb_dma_parent_tag *

udpt

)

Referenced by usbd_transfer_setup().

Here is the caller graph for this function:

usb_bdma_post_sync()

void usb_bdma_post_sync

(

struct usb_xfer *

xfer

)

Referenced by uhci_isoc_done(), uhci_non_isoc_done(), and usbd_callback_wrapper().

Here is the caller graph for this function:

usb_bdma_pre_sync()

void usb_bdma_pre_sync

(

struct usb_xfer *

xfer

)

usb_bdma_work_loop()

void usb_bdma_work_loop

(

struct usb_xfer_queue *

pq

)

Referenced by usbd_transfer_setup().

Here is the caller graph for this function:

usb_dma_tag_find()

struct usb_dma_tag * usb_dma_tag_find	(	struct usb_dma_parent_tag *	udpt,
		usb_size_t	size,
		usb_size_t	align
	)

usb_dma_tag_setup()

void usb_dma_tag_setup	(	struct usb_dma_parent_tag *	udpt,
		struct usb_dma_tag *	udt,
		bus_dma_tag_t	dmat,
		struct mtx *	mtx,
		usb_dma_callback_t *	func,
		uint8_t	ndmabits,
		uint8_t	nudt
	)

Referenced by usb_bus_mem_alloc_all(), and usbd_transfer_setup().

Here is the caller graph for this function:

usb_dma_tag_unsetup()

void usb_dma_tag_unsetup

(

struct usb_dma_parent_tag *

udpt

)

Referenced by usb_bus_mem_free_all(), and usbd_transfer_unsetup_sub().

Here is the caller graph for this function:

usb_pc_alloc_mem()

uint8_t usb_pc_alloc_mem	(	struct usb_page_cache *	pc,
		struct usb_page *	pg,
		usb_size_t	size,
		usb_size_t	align
	)

Referenced by xhci_alloc_device_ext().

Here is the caller graph for this function:

usb_pc_buffer_is_aligned()

uint8_t usb_pc_buffer_is_aligned	(	struct usb_page_cache *	pc,
		usb_frlength_t	offset,
		usb_frlength_t	len,
		usb_frlength_t	mask
	)

Definition at line 141 of file usb_busdma.c.

References usb_page_search::buffer, len, usb_page_search::length, offset, USB_P2U, and usbd_get_page().

Referenced by dwc_otg_read_fifo(), and dwc_otg_write_fifo().

Here is the call graph for this function:

Here is the caller graph for this function:

usb_pc_cpu_flush()

void usb_pc_cpu_flush

(

struct usb_page_cache *

pc

)

Referenced by _ehci_append_fs_td(), _ehci_append_hs_td(), _ehci_append_qh(), _ehci_remove_fs_td(), _ehci_remove_hs_td(), _ehci_remove_qh(), _ohci_append_qh(), _ohci_remove_qh(), _uhci_append_qh(), _uhci_append_td(), _uhci_remove_qh(), _uhci_remove_td(), ehci_device_isoc_fs_enter(), ehci_device_isoc_fs_open(), ehci_device_isoc_hs_enter(), ehci_device_isoc_hs_open(), ehci_setup_standard_chain(), ehci_setup_standard_chain_sub(), ehci_xfer_setup(), ohci_check_transfer_sub(), ohci_device_isoc_enter(), ohci_interrupt(), ohci_setup_standard_chain(), ohci_setup_standard_chain_sub(), ohci_xfer_setup(), uhci_add_loop(), uhci_check_transfer_sub(), uhci_device_bulk_start(), uhci_device_ctrl_start(), uhci_device_intr_start(), uhci_device_isoc_enter(), uhci_device_isoc_open(), uhci_mem_layout_fixup(), uhci_rem_loop(), uhci_setup_standard_chain(), uhci_setup_standard_chain_sub(), uhci_xfer_setup(), xhci_activate_transfer(), xhci_alloc_device_ext(), xhci_check_transfer(), xhci_configure_device(), xhci_configure_endpoint(), xhci_configure_endpoint_by_xfer(), xhci_configure_mask(), xhci_do_command(), xhci_reset_command_queue_locked(), xhci_set_slot_pointer(), xhci_setup_generic_chain_sub(), xhci_skip_transfer(), xhci_transfer_insert(), and xhci_xfer_setup().

usb_pc_cpu_invalidate()

void usb_pc_cpu_invalidate

(

struct usb_page_cache *

pc

)

Referenced by ehci_check_transfer(), ehci_isoc_fs_done(), ehci_isoc_hs_done(), ehci_non_isoc_done(), ehci_non_isoc_done_sub(), ohci_check_transfer(), ohci_check_transfer_sub(), ohci_device_done(), ohci_get_hcca(), ohci_isoc_done(), ohci_non_isoc_done_sub(), uhci_check_transfer(), uhci_device_done(), uhci_isoc_done(), uhci_mem_layout_fixup(), uhci_non_isoc_done_sub(), xhci_activate_transfer(), xhci_check_transfer(), xhci_generic_done_sub(), xhci_get_endpoint_state(), xhci_interrupt_poll(), xhci_set_address(), and xhci_skip_transfer().

Here is the caller graph for this function:

usb_pc_dmamap_create()

uint8_t usb_pc_dmamap_create	(	struct usb_page_cache *	pc,
		usb_size_t	size
	)

Referenced by usbd_transfer_setup_sub().

Here is the caller graph for this function:

usb_pc_dmamap_destroy()

void usb_pc_dmamap_destroy

(

struct usb_page_cache *

pc

)

Referenced by usbd_transfer_unsetup_sub().

Here is the caller graph for this function:

usb_pc_free_mem()

void usb_pc_free_mem

(

struct usb_page_cache *

pc

)

Referenced by usbd_transfer_unsetup_sub(), and xhci_free_device_ext().

Here is the caller graph for this function:

usb_pc_load_mem()

uint8_t usb_pc_load_mem	(	struct usb_page_cache *	pc,
		usb_size_t	size,
		uint8_t	sync
	)

usb_uiomove()

int usb_uiomove	(	struct usb_page_cache *	pc,
		struct uio *	uio,
		usb_frlength_t	pc_offset,
		usb_frlength_t	len
	)