620 lines
22 KiB
C
620 lines
22 KiB
C
/*-
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* Copyright (c) 2009 Andrew Thompson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _USB_USBDI_H_
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#define _USB_USBDI_H_
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struct usb_fifo;
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struct usb_xfer;
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struct usb_device;
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struct usb_attach_arg;
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struct usb_interface;
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struct usb_endpoint;
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struct usb_page_cache;
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struct usb_page_search;
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struct usb_process;
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struct usb_proc_msg;
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struct usb_mbuf;
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struct usb_fs_privdata;
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struct mbuf;
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typedef enum { /* keep in sync with usb_errstr_table */
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USB_ERR_NORMAL_COMPLETION = 0,
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USB_ERR_PENDING_REQUESTS, /* 1 */
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USB_ERR_NOT_STARTED, /* 2 */
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USB_ERR_INVAL, /* 3 */
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USB_ERR_NOMEM, /* 4 */
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USB_ERR_CANCELLED, /* 5 */
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USB_ERR_BAD_ADDRESS, /* 6 */
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USB_ERR_BAD_BUFSIZE, /* 7 */
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USB_ERR_BAD_FLAG, /* 8 */
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USB_ERR_NO_CALLBACK, /* 9 */
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USB_ERR_IN_USE, /* 10 */
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USB_ERR_NO_ADDR, /* 11 */
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USB_ERR_NO_PIPE, /* 12 */
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USB_ERR_ZERO_NFRAMES, /* 13 */
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USB_ERR_ZERO_MAXP, /* 14 */
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USB_ERR_SET_ADDR_FAILED, /* 15 */
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USB_ERR_NO_POWER, /* 16 */
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USB_ERR_TOO_DEEP, /* 17 */
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USB_ERR_IOERROR, /* 18 */
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USB_ERR_NOT_CONFIGURED, /* 19 */
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USB_ERR_TIMEOUT, /* 20 */
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USB_ERR_SHORT_XFER, /* 21 */
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USB_ERR_STALLED, /* 22 */
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USB_ERR_INTERRUPTED, /* 23 */
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USB_ERR_DMA_LOAD_FAILED, /* 24 */
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USB_ERR_BAD_CONTEXT, /* 25 */
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USB_ERR_NO_ROOT_HUB, /* 26 */
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USB_ERR_NO_INTR_THREAD, /* 27 */
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USB_ERR_NOT_LOCKED, /* 28 */
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USB_ERR_MAX
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} usb_error_t;
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/*
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* Flags for transfers
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*/
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#define USB_FORCE_SHORT_XFER 0x0001 /* force a short transmit last */
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#define USB_SHORT_XFER_OK 0x0004 /* allow short reads */
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#define USB_DELAY_STATUS_STAGE 0x0010 /* insert delay before STATUS stage */
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#define USB_USER_DATA_PTR 0x0020 /* internal flag */
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#define USB_MULTI_SHORT_OK 0x0040 /* allow multiple short frames */
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#define USB_MANUAL_STATUS 0x0080 /* manual ctrl status */
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#define USB_NO_TIMEOUT 0
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#define USB_DEFAULT_TIMEOUT 5000 /* 5000 ms = 5 seconds */
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#if defined(_KERNEL)
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/* typedefs */
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typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t);
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typedef void (usb_proc_callback_t)(struct usb_proc_msg *);
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typedef usb_error_t (usb_handle_req_t)(struct usb_device *,
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struct usb_device_request *, const void **, uint16_t *);
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typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags);
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typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags);
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typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags);
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typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo);
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typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m);
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/* USB events */
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#ifndef USB_GLOBAL_INCLUDE_FILE
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#include <sys/eventhandler.h>
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#endif
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typedef void (*usb_dev_configured_t)(void *, struct usb_device *,
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struct usb_attach_arg *);
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EVENTHANDLER_DECLARE(usb_dev_configured, usb_dev_configured_t);
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/*
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* The following macros are used used to convert milliseconds into
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* HZ. We use 1024 instead of 1000 milliseconds per second to save a
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* full division.
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*/
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#define USB_MS_HZ 1024
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#define USB_MS_TO_TICKS(ms) \
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(((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ)
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/*
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* Common queue structure for USB transfers.
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*/
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struct usb_xfer_queue {
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TAILQ_HEAD(, usb_xfer) head;
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struct usb_xfer *curr; /* current USB transfer processed */
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void (*command) (struct usb_xfer_queue *pq);
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uint8_t recurse_1:1;
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uint8_t recurse_2:1;
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};
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/*
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* The following structure defines an USB endpoint
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* USB endpoint.
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*/
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struct usb_endpoint {
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/* queue of USB transfers */
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struct usb_xfer_queue endpoint_q[USB_MAX_EP_STREAMS];
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struct usb_endpoint_descriptor *edesc;
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struct usb_endpoint_ss_comp_descriptor *ecomp;
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const struct usb_pipe_methods *methods; /* set by HC driver */
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uint16_t isoc_next;
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uint8_t toggle_next:1; /* next data toggle value */
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uint8_t is_stalled:1; /* set if endpoint is stalled */
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uint8_t is_synced:1; /* set if we a synchronised */
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uint8_t unused:5;
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uint8_t iface_index; /* not used by "default endpoint" */
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uint8_t refcount_alloc; /* allocation refcount */
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uint8_t refcount_bw; /* bandwidth refcount */
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#define USB_EP_REF_MAX 0x3f
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/* High-Speed resource allocation (valid if "refcount_bw" > 0) */
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uint8_t usb_smask; /* USB start mask */
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uint8_t usb_cmask; /* USB complete mask */
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uint8_t usb_uframe; /* USB microframe */
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/* USB endpoint mode, see USB_EP_MODE_XXX */
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uint8_t ep_mode;
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};
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/*
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* The following structure defines an USB interface.
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*/
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struct usb_interface {
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struct usb_interface_descriptor *idesc;
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device_t subdev;
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uint8_t alt_index;
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uint8_t parent_iface_index;
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/* Linux compat */
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struct usb_host_interface *altsetting;
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struct usb_host_interface *cur_altsetting;
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struct usb_device *linux_udev;
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void *bsd_priv_sc; /* device specific information */
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char *pnpinfo; /* additional PnP-info for this interface */
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uint8_t num_altsetting; /* number of alternate settings */
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uint8_t bsd_iface_index;
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};
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/*
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* The following structure defines a set of USB transfer flags.
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*/
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struct usb_xfer_flags {
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uint8_t force_short_xfer:1; /* force a short transmit transfer
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* last */
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uint8_t short_xfer_ok:1; /* allow short receive transfers */
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uint8_t short_frames_ok:1; /* allow short frames */
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uint8_t pipe_bof:1; /* block pipe on failure */
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uint8_t proxy_buffer:1; /* makes buffer size a factor of
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* "max_frame_size" */
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uint8_t ext_buffer:1; /* uses external DMA buffer */
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uint8_t manual_status:1; /* non automatic status stage on
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* control transfers */
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uint8_t no_pipe_ok:1; /* set if "USB_ERR_NO_PIPE" error can
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* be ignored */
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uint8_t stall_pipe:1; /* set if the endpoint belonging to
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* this USB transfer should be stalled
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* before starting this transfer! */
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uint8_t pre_scale_frames:1; /* "usb_config->frames" is
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* assumed to give the
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* buffering time in
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* milliseconds and is
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* converted into the nearest
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* number of frames when the
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* USB transfer is setup. This
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* option only has effect for
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* ISOCHRONOUS transfers.
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*/
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};
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/*
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* The following structure define an USB configuration, that basically
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* is used when setting up an USB transfer.
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*/
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struct usb_config {
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usb_callback_t *callback; /* USB transfer callback */
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usb_frlength_t bufsize; /* total pipe buffer size in bytes */
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usb_frcount_t frames; /* maximum number of USB frames */
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usb_timeout_t interval; /* interval in milliseconds */
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#define USB_DEFAULT_INTERVAL 0
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usb_timeout_t timeout; /* transfer timeout in milliseconds */
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struct usb_xfer_flags flags; /* transfer flags */
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usb_stream_t stream_id; /* USB3.0 specific */
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enum usb_hc_mode usb_mode; /* host or device mode */
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uint8_t type; /* pipe type */
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uint8_t endpoint; /* pipe number */
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uint8_t direction; /* pipe direction */
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uint8_t ep_index; /* pipe index match to use */
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uint8_t if_index; /* "ifaces" index to use */
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};
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/*
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* Use these macro when defining USB device ID arrays if you want to
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* have your driver module automatically loaded in host, device or
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* both modes respectivly:
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*/
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#if USB_HAVE_ID_SECTION
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#define STRUCT_USB_HOST_ID \
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struct usb_device_id __section("usb_host_id")
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#define STRUCT_USB_DEVICE_ID \
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struct usb_device_id __section("usb_device_id")
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#define STRUCT_USB_DUAL_ID \
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struct usb_device_id __section("usb_dual_id")
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#else
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#define STRUCT_USB_HOST_ID \
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struct usb_device_id
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#define STRUCT_USB_DEVICE_ID \
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struct usb_device_id
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#define STRUCT_USB_DUAL_ID \
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struct usb_device_id
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#endif /* USB_HAVE_ID_SECTION */
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/*
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* The following structure is used when looking up an USB driver for
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* an USB device. It is inspired by the Linux structure called
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* "usb_device_id".
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*/
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struct usb_device_id {
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/* Hook for driver specific information */
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unsigned long driver_info;
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/* Used for product specific matches; the BCD range is inclusive */
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice_lo;
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uint16_t bcdDevice_hi;
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/* Used for device class matches */
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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/* Used for interface class matches */
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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/* Select which fields to match against */
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uint8_t match_flag_vendor:1;
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uint8_t match_flag_product:1;
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uint8_t match_flag_dev_lo:1;
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uint8_t match_flag_dev_hi:1;
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uint8_t match_flag_dev_class:1;
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uint8_t match_flag_dev_subclass:1;
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uint8_t match_flag_dev_protocol:1;
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uint8_t match_flag_int_class:1;
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uint8_t match_flag_int_subclass:1;
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uint8_t match_flag_int_protocol:1;
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uint8_t match_flag_unused:6;
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#if USB_HAVE_COMPAT_LINUX
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/* which fields to match against */
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uint16_t match_flags;
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#define USB_DEVICE_ID_MATCH_VENDOR 0x0001
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#define USB_DEVICE_ID_MATCH_PRODUCT 0x0002
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#define USB_DEVICE_ID_MATCH_DEV_LO 0x0004
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#define USB_DEVICE_ID_MATCH_DEV_HI 0x0008
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#define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010
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#define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020
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#define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040
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#define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080
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#define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100
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#define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
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#endif
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} __aligned(32);
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/* check that the size of the structure above is correct */
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extern char usb_device_id_assert[(sizeof(struct usb_device_id) == 32) ? 1 : -1];
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#define USB_VENDOR(vend) \
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.match_flag_vendor = 1, .idVendor = (vend)
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#define USB_PRODUCT(prod) \
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.match_flag_product = 1, .idProduct = (prod)
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#define USB_VP(vend,prod) \
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USB_VENDOR(vend), USB_PRODUCT(prod)
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#define USB_VPI(vend,prod,info) \
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USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
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#define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \
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.match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
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#define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \
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.match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
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#define USB_DEV_CLASS(dc) \
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.match_flag_dev_class = 1, .bDeviceClass = (dc)
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#define USB_DEV_SUBCLASS(dsc) \
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.match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
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#define USB_DEV_PROTOCOL(dp) \
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.match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
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#define USB_IFACE_CLASS(ic) \
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.match_flag_int_class = 1, .bInterfaceClass = (ic)
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#define USB_IFACE_SUBCLASS(isc) \
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.match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
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#define USB_IFACE_PROTOCOL(ip) \
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.match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
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#define USB_IF_CSI(class,subclass,info) \
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USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
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#define USB_DRIVER_INFO(n) \
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.driver_info = (n)
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#define USB_GET_DRIVER_INFO(did) \
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(did)->driver_info
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/*
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* The following structure keeps information that is used to match
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* against an array of "usb_device_id" elements.
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*/
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struct usbd_lookup_info {
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t bIfaceIndex;
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uint8_t bIfaceNum;
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uint8_t bConfigIndex;
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uint8_t bConfigNum;
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};
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/* Structure used by probe and attach */
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struct usb_attach_arg {
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struct usbd_lookup_info info;
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device_t temp_dev; /* for internal use */
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unsigned long driver_info; /* for internal use */
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void *driver_ivar;
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struct usb_device *device; /* current device */
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struct usb_interface *iface; /* current interface */
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enum usb_hc_mode usb_mode; /* host or device mode */
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uint8_t port;
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uint8_t dev_state;
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#define UAA_DEV_READY 0
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#define UAA_DEV_DISABLED 1
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#define UAA_DEV_EJECTING 2
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};
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/*
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* The following is a wrapper for the callout structure to ease
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* porting the code to other platforms.
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*/
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struct usb_callout {
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struct callout co;
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};
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#define usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f)
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#define usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d)
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#define usb_callout_stop(c) callout_stop(&(c)->co)
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#define usb_callout_drain(c) callout_drain(&(c)->co)
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#define usb_callout_pending(c) callout_pending(&(c)->co)
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/* USB transfer states */
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#define USB_ST_SETUP 0
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#define USB_ST_TRANSFERRED 1
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#define USB_ST_ERROR 2
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/* USB handle request states */
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#define USB_HR_NOT_COMPLETE 0
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#define USB_HR_COMPLETE_OK 1
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#define USB_HR_COMPLETE_ERR 2
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/*
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* The following macro will return the current state of an USB
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* transfer like defined by the "USB_ST_XXX" enums.
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*/
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#define USB_GET_STATE(xfer) (usbd_xfer_state(xfer))
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/*
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* The following structure defines the USB process message header.
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*/
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struct usb_proc_msg {
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TAILQ_ENTRY(usb_proc_msg) pm_qentry;
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usb_proc_callback_t *pm_callback;
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usb_size_t pm_num;
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};
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#define USB_FIFO_TX 0
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#define USB_FIFO_RX 1
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/*
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* Locking note for the following functions. All the
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* "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called
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* locked. The others are called unlocked.
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*/
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struct usb_fifo_methods {
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usb_fifo_open_t *f_open;
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usb_fifo_close_t *f_close;
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usb_fifo_ioctl_t *f_ioctl;
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/*
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* NOTE: The post-ioctl callback is called after the USB reference
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* gets locked in the IOCTL handler:
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*/
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usb_fifo_ioctl_t *f_ioctl_post;
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usb_fifo_cmd_t *f_start_read;
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usb_fifo_cmd_t *f_stop_read;
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usb_fifo_cmd_t *f_start_write;
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usb_fifo_cmd_t *f_stop_write;
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usb_fifo_filter_t *f_filter_read;
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usb_fifo_filter_t *f_filter_write;
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const char *basename[4];
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const char *postfix[4];
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};
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struct usb_fifo_sc {
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struct usb_fifo *fp[2];
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struct usb_fs_privdata *dev;
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};
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const char *usbd_errstr(usb_error_t error);
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void *usbd_find_descriptor(struct usb_device *udev, void *id,
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uint8_t iface_index, uint8_t type, uint8_t type_mask,
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uint8_t subtype, uint8_t subtype_mask);
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struct usb_config_descriptor *usbd_get_config_descriptor(
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struct usb_device *udev);
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struct usb_device_descriptor *usbd_get_device_descriptor(
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struct usb_device *udev);
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struct usb_interface *usbd_get_iface(struct usb_device *udev,
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uint8_t iface_index);
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struct usb_interface_descriptor *usbd_get_interface_descriptor(
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struct usb_interface *iface);
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struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index,
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const struct usb_config *setup);
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struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val);
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usb_error_t usbd_interface_count(struct usb_device *udev, uint8_t *count);
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enum usb_hc_mode usbd_get_mode(struct usb_device *udev);
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enum usb_dev_speed usbd_get_speed(struct usb_device *udev);
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void device_set_usb_desc(device_t dev);
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void usb_pause_mtx(struct mtx *mtx, int _ticks);
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usb_error_t usbd_set_pnpinfo(struct usb_device *udev,
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uint8_t iface_index, const char *pnpinfo);
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usb_error_t usbd_add_dynamic_quirk(struct usb_device *udev,
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uint16_t quirk);
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usb_error_t usbd_set_endpoint_mode(struct usb_device *udev,
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struct usb_endpoint *ep, uint8_t ep_mode);
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uint8_t usbd_get_endpoint_mode(struct usb_device *udev,
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struct usb_endpoint *ep);
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const struct usb_device_id *usbd_lookup_id_by_info(
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const struct usb_device_id *id, usb_size_t sizeof_id,
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const struct usbd_lookup_info *info);
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int usbd_lookup_id_by_uaa(const struct usb_device_id *id,
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usb_size_t sizeof_id, struct usb_attach_arg *uaa);
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usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx,
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struct usb_device_request *req, void *data, uint16_t flags,
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uint16_t *actlen, usb_timeout_t timeout);
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#define usbd_do_request(u,m,r,d) \
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usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT)
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uint8_t usbd_clear_stall_callback(struct usb_xfer *xfer1,
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struct usb_xfer *xfer2);
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uint8_t usbd_get_interface_altindex(struct usb_interface *iface);
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usb_error_t usbd_set_alt_interface_index(struct usb_device *udev,
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uint8_t iface_index, uint8_t alt_index);
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uint32_t usbd_get_isoc_fps(struct usb_device *udev);
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usb_error_t usbd_transfer_setup(struct usb_device *udev,
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const uint8_t *ifaces, struct usb_xfer **pxfer,
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const struct usb_config *setup_start, uint16_t n_setup,
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void *priv_sc, struct mtx *priv_mtx);
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void usbd_transfer_submit(struct usb_xfer *xfer);
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void usbd_transfer_clear_stall(struct usb_xfer *xfer);
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void usbd_transfer_drain(struct usb_xfer *xfer);
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uint8_t usbd_transfer_pending(struct usb_xfer *xfer);
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void usbd_transfer_start(struct usb_xfer *xfer);
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void usbd_transfer_stop(struct usb_xfer *xfer);
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void usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup);
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void usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max);
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void usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index,
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uint8_t parent_index);
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uint8_t usbd_get_bus_index(struct usb_device *udev);
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uint8_t usbd_get_device_index(struct usb_device *udev);
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void usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode);
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uint8_t usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode);
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uint8_t usbd_device_attached(struct usb_device *udev);
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usb_frlength_t
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usbd_xfer_old_frame_length(struct usb_xfer *xfer, usb_frcount_t frindex);
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void usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen,
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int *aframes, int *nframes);
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struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
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void *usbd_xfer_get_frame_buffer(struct usb_xfer *, usb_frcount_t);
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void *usbd_xfer_softc(struct usb_xfer *xfer);
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void *usbd_xfer_get_priv(struct usb_xfer *xfer);
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void usbd_xfer_set_priv(struct usb_xfer *xfer, void *);
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void usbd_xfer_set_interval(struct usb_xfer *xfer, int);
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uint8_t usbd_xfer_state(struct usb_xfer *xfer);
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void usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
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void *ptr, usb_frlength_t len);
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void usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
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void **ptr, int *len);
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void usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset,
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usb_frcount_t frindex);
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usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
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usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer);
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usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer);
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uint8_t usbd_xfer_get_fps_shift(struct usb_xfer *xfer);
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usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer,
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usb_frcount_t frindex);
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void usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex,
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usb_frlength_t len);
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void usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout);
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void usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
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void usbd_xfer_set_stall(struct usb_xfer *xfer);
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int usbd_xfer_is_stalled(struct usb_xfer *xfer);
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void usbd_xfer_set_flag(struct usb_xfer *xfer, int flag);
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void usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag);
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uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer);
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void usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset,
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const void *ptr, usb_frlength_t len);
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int usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset,
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const void *ptr, usb_frlength_t len);
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void usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset,
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void *ptr, usb_frlength_t len);
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int usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset,
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void *ptr, usb_frlength_t len);
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void usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset,
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struct usb_page_search *res);
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void usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset,
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struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len);
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void usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset,
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usb_frlength_t len);
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void usbd_start_re_enumerate(struct usb_device *udev);
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int usb_fifo_attach(struct usb_device *udev, void *priv_sc,
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struct mtx *priv_mtx, struct usb_fifo_methods *pm,
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struct usb_fifo_sc *f_sc, uint16_t unit, int16_t subunit,
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uint8_t iface_index, uid_t uid, gid_t gid, int mode);
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void usb_fifo_detach(struct usb_fifo_sc *f_sc);
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int usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize,
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uint16_t nbuf);
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void usb_fifo_free_buffer(struct usb_fifo *f);
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uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo);
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void usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
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usb_frlength_t offset, usb_frlength_t len, uint8_t what);
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void usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr,
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usb_size_t len, uint8_t what);
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uint8_t usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len);
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void usb_fifo_put_data_error(struct usb_fifo *fifo);
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uint8_t usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc,
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usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen,
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uint8_t what);
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uint8_t usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr,
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usb_size_t len, usb_size_t *actlen, uint8_t what);
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uint8_t usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr,
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usb_size_t *plen);
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void usb_fifo_reset(struct usb_fifo *f);
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void usb_fifo_wakeup(struct usb_fifo *f);
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void usb_fifo_get_data_error(struct usb_fifo *fifo);
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void *usb_fifo_softc(struct usb_fifo *fifo);
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void usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t);
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void usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t);
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void usb_fifo_free(struct usb_fifo *f);
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#endif /* _KERNEL */
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#endif /* _USB_USBDI_H_ */
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