3 * Copyright (c) 2008-2019 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 struct usb_fs_privdata;
33 * The following structure defines the USB explore message sent to the USB
38 struct usb_proc_msg hdr;
43 * The following structure defines an USB BUS. There is one USB BUS
44 * for every Host or Device controller.
47 #if USB_HAVE_ROOT_MOUNT_HOLD
48 struct root_hold_token *bus_roothold;
51 /* convenience macros */
52 #define USB_BUS_TT_PROC(bus) USB_BUS_NON_GIANT_ISOC_PROC(bus)
53 #define USB_BUS_CS_PROC(bus) USB_BUS_NON_GIANT_ISOC_PROC(bus)
55 #if USB_HAVE_PER_BUS_PROCESS
56 #define USB_BUS_GIANT_PROC(bus) (&(bus)->giant_callback_proc)
57 #define USB_BUS_NON_GIANT_ISOC_PROC(bus) (&(bus)->non_giant_isoc_callback_proc)
58 #define USB_BUS_NON_GIANT_BULK_PROC(bus) (&(bus)->non_giant_bulk_callback_proc)
59 #define USB_BUS_EXPLORE_PROC(bus) (&(bus)->explore_proc)
60 #define USB_BUS_CONTROL_XFER_PROC(bus) (&(bus)->control_xfer_proc)
62 * There are three callback processes. One for Giant locked
63 * callbacks. One for non-Giant locked non-periodic callbacks
64 * and one for non-Giant locked periodic callbacks. This
65 * should avoid congestion and reduce response time in most
68 struct usb_process giant_callback_proc;
69 struct usb_process non_giant_isoc_callback_proc;
70 struct usb_process non_giant_bulk_callback_proc;
73 struct usb_process explore_proc;
75 /* Control request process */
76 struct usb_process control_xfer_proc;
79 struct usb_bus_msg explore_msg[2];
80 struct usb_bus_msg detach_msg[2];
81 struct usb_bus_msg attach_msg[2];
82 struct usb_bus_msg suspend_msg[2];
83 struct usb_bus_msg resume_msg[2];
84 struct usb_bus_msg reset_msg[2];
85 struct usb_bus_msg shutdown_msg[2];
87 struct usb_bus_msg cleanup_msg[2];
88 LIST_HEAD(,usb_fs_privdata) pd_cleanup_list;
91 * This mutex protects the USB hardware:
94 struct mtx bus_spin_lock;
95 struct usb_xfer_queue intr_q;
96 struct usb_callout power_wdog; /* power management */
99 device_t bdev; /* filled by HC driver */
102 struct usb_dma_parent_tag dma_parent_tag[1];
103 struct usb_dma_tag dma_tags[USB_BUS_DMA_TAG_MAX];
105 struct usb_bus_methods *methods; /* filled by HC driver */
106 struct usb_device **devices;
108 struct ifnet *ifp; /* only for USB Packet Filter */
110 usb_power_mask_t hw_power_state; /* see USB_HW_POWER_XXX */
111 usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
113 uint16_t isoc_time_last; /* in milliseconds */
115 uint8_t alloc_failed; /* Set if memory allocation failed. */
116 uint8_t driver_added_refcount; /* Current driver generation count */
117 enum usb_revision usbrev; /* USB revision. See "USB_REV_XXX". */
119 uint8_t devices_max; /* maximum number of USB devices */
120 uint8_t do_probe; /* set if USB should be re-probed */
121 uint8_t no_explore; /* don't explore USB ports */
122 uint8_t dma_bits; /* number of DMA address lines */
123 uint8_t control_ep_quirk; /* need 64kByte buffer for data stage */
126 #endif /* _USB_BUS_H_ */