120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _USB_BUS_H_
|
|
#define _USB_BUS_H_
|
|
|
|
/*
|
|
* The following structure defines the USB explore message sent to the USB
|
|
* explore process.
|
|
*/
|
|
|
|
struct usb_bus_msg {
|
|
struct usb_proc_msg hdr;
|
|
struct usb_bus *bus;
|
|
};
|
|
|
|
/*
|
|
* The following structure defines the USB statistics structure.
|
|
*/
|
|
struct usb_bus_stat {
|
|
uint32_t uds_requests[4];
|
|
};
|
|
|
|
/*
|
|
* The following structure defines an USB BUS. There is one USB BUS
|
|
* for every Host or Device controller.
|
|
*/
|
|
struct usb_bus {
|
|
struct usb_bus_stat stats_err;
|
|
struct usb_bus_stat stats_ok;
|
|
#if USB_HAVE_ROOT_MOUNT_HOLD
|
|
struct root_hold_token *bus_roothold;
|
|
#endif
|
|
|
|
#if USB_HAVE_PER_BUS_PROCESS
|
|
#define USB_BUS_GIANT_PROC(bus) (&(bus)->giant_callback_proc)
|
|
#define USB_BUS_NON_GIANT_PROC(bus) (&(bus)->non_giant_callback_proc)
|
|
#define USB_BUS_EXPLORE_PROC(bus) (&(bus)->explore_proc)
|
|
#define USB_BUS_CONTROL_XFER_PROC(bus) (&(bus)->control_xfer_proc)
|
|
|
|
/*
|
|
* There are two callback processes. One for Giant locked
|
|
* callbacks. One for non-Giant locked callbacks. This should
|
|
* avoid congestion and reduce response time in most cases.
|
|
*/
|
|
struct usb_process giant_callback_proc;
|
|
struct usb_process non_giant_callback_proc;
|
|
|
|
/* Explore process */
|
|
struct usb_process explore_proc;
|
|
|
|
/* Control request process */
|
|
struct usb_process control_xfer_proc;
|
|
#endif
|
|
|
|
struct usb_bus_msg explore_msg[2];
|
|
struct usb_bus_msg detach_msg[2];
|
|
struct usb_bus_msg attach_msg[2];
|
|
struct usb_bus_msg suspend_msg[2];
|
|
struct usb_bus_msg resume_msg[2];
|
|
struct usb_bus_msg reset_msg[2];
|
|
struct usb_bus_msg shutdown_msg[2];
|
|
/*
|
|
* This mutex protects the USB hardware:
|
|
*/
|
|
struct mtx bus_mtx;
|
|
struct usb_xfer_queue intr_q;
|
|
struct usb_callout power_wdog; /* power management */
|
|
|
|
device_t parent;
|
|
device_t bdev; /* filled by HC driver */
|
|
|
|
#if USB_HAVE_BUSDMA
|
|
struct usb_dma_parent_tag dma_parent_tag[1];
|
|
struct usb_dma_tag dma_tags[USB_BUS_DMA_TAG_MAX];
|
|
#endif
|
|
const struct usb_bus_methods *methods; /* filled by HC driver */
|
|
struct usb_device **devices;
|
|
|
|
struct ifnet *ifp; /* only for USB Packet Filter */
|
|
|
|
usb_power_mask_t hw_power_state; /* see USB_HW_POWER_XXX */
|
|
usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
|
|
|
|
uint16_t isoc_time_last; /* in milliseconds */
|
|
|
|
uint8_t alloc_failed; /* Set if memory allocation failed. */
|
|
uint8_t driver_added_refcount; /* Current driver generation count */
|
|
enum usb_revision usbrev; /* USB revision. See "USB_REV_XXX". */
|
|
|
|
uint8_t devices_max; /* maximum number of USB devices */
|
|
uint8_t do_probe; /* set if USB should be re-probed */
|
|
uint8_t no_explore; /* don't explore USB ports */
|
|
};
|
|
|
|
#endif /* _USB_BUS_H_ */
|