xref: /dragonfly/sys/bus/u4b/usb_pf.h (revision c66c7e2fb8d0d28477d550f1d2a50c4677d547ff)
1 /*-
2  * Copyright (c) 1990, 1991, 1993
3  *        The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from the Stanford/CMU enet packet filter,
6  * (net/enet.c) distributed as part of 4.3BSD, and code contributed
7  * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
8  * Berkeley Laboratory.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD: head/sys/dev/usb/usb_pf.h 220301 2011-04-03 20:03:45Z hselasky $
35  */
36 
37 #ifndef _DEV_USB_PF_H
38 #define   _DEV_USB_PF_H
39 
40 struct usbpf_pkthdr {
41           uint32_t  up_totlen;          /* Total length including all headers */
42           uint32_t  up_busunit;         /* Host controller unit number */
43           uint8_t             up_address;         /* USB device index */
44           uint8_t             up_mode;  /* Mode of transfer */
45 #define   USBPF_MODE_HOST               0
46 #define   USBPF_MODE_DEVICE   1
47           uint8_t             up_type;  /* points SUBMIT / DONE */
48           uint8_t             up_xfertype;        /* Transfer type, see USB2.0 spec. */
49           uint32_t  up_flags; /* Transfer flags */
50 #define   USBPF_FLAG_FORCE_SHORT_XFER   (1 << 0)
51 #define   USBPF_FLAG_SHORT_XFER_OK      (1 << 1)
52 #define   USBPF_FLAG_SHORT_FRAMES_OK    (1 << 2)
53 #define   USBPF_FLAG_PIPE_BOF           (1 << 3)
54 #define   USBPF_FLAG_PROXY_BUFFER                 (1 << 4)
55 #define   USBPF_FLAG_EXT_BUFFER                   (1 << 5)
56 #define   USBPF_FLAG_MANUAL_STATUS      (1 << 6)
57 #define   USBPF_FLAG_NO_PIPE_OK                   (1 << 7)
58 #define   USBPF_FLAG_STALL_PIPE                   (1 << 8)
59           uint32_t  up_status;          /* Transfer status */
60 #define   USBPF_STATUS_OPEN             (1 << 0)
61 #define   USBPF_STATUS_TRANSFERRING     (1 << 1)
62 #define   USBPF_STATUS_DID_DMA_DELAY    (1 << 2)
63 #define   USBPF_STATUS_DID_CLOSE                  (1 << 3)
64 #define   USBPF_STATUS_DRAINING                   (1 << 4)
65 #define   USBPF_STATUS_STARTED                    (1 << 5)
66 #define   USBPF_STATUS_BW_RECLAIMED     (1 << 6)
67 #define   USBPF_STATUS_CONTROL_XFR      (1 << 7)
68 #define   USBPF_STATUS_CONTROL_HDR      (1 << 8)
69 #define   USBPF_STATUS_CONTROL_ACT      (1 << 9)
70 #define   USBPF_STATUS_CONTROL_STALL    (1 << 10)
71 #define   USBPF_STATUS_SHORT_FRAMES_OK  (1 << 11)
72 #define   USBPF_STATUS_SHORT_XFER_OK    (1 << 12)
73 #define   USBPF_STATUS_BDMA_ENABLE      (1 << 13)
74 #define   USBPF_STATUS_BDMA_NO_POST_SYNC          (1 << 14)
75 #define   USBPF_STATUS_BDMA_SETUP                 (1 << 15)
76 #define   USBPF_STATUS_ISOCHRONOUS_XFR  (1 << 16)
77 #define   USBPF_STATUS_CURR_DMA_SET     (1 << 17)
78 #define   USBPF_STATUS_CAN_CANCEL_IMMED (1 << 18)
79 #define   USBPF_STATUS_DOING_CALLBACK   (1 << 19)
80           uint32_t  up_error; /* USB error, see USB_ERR_XXX */
81           uint32_t  up_interval;        /* For interrupt and isoc (ms) */
82           uint32_t  up_frames;          /* Number of following frames */
83           uint32_t  up_packet_size;     /* Packet size used */
84           uint32_t  up_packet_count;    /* Packet count used */
85           uint32_t  up_endpoint;        /* USB endpoint / stream ID */
86           uint8_t             up_speed; /* USB speed, see USB_SPEED_XXX */
87           /* sizeof(struct usbpf_pkthdr) == 128 bytes */
88           uint8_t             up_reserved[83];
89 };
90 
91 struct usbpf_framehdr {
92           /*
93            * The frame length field excludes length of frame header and
94            * any alignment.
95            */
96           uint32_t length;
97 #define   USBPF_FRAME_ALIGN(x)                    (((x) + 3) & ~3)
98           uint32_t flags;
99 #define   USBPF_FRAMEFLAG_READ                    (1 << 0)
100 #define   USBPF_FRAMEFLAG_DATA_FOLLOWS  (1 << 1)
101 };
102 
103 #define   USBPF_HDR_LEN                 128       /* bytes */
104 #define   USBPF_FRAME_HDR_LEN 8         /* bytes */
105 
106 extern uint8_t usbpf_pkthdr_size_ok[
107     (sizeof(struct usbpf_pkthdr) == USBPF_HDR_LEN) ? 1 : -1];
108 extern uint8_t usbpf_framehdr_size_ok[
109     (sizeof(struct usbpf_framehdr) == USBPF_FRAME_HDR_LEN) ? 1 : -1];
110 
111 #define   USBPF_XFERTAP_SUBMIT          0
112 #define   USBPF_XFERTAP_DONE  1
113 
114 #ifdef _KERNEL
115 void      usbpf_attach(struct usb_bus *);
116 void      usbpf_detach(struct usb_bus *);
117 void      usbpf_xfertap(struct usb_xfer *, int);
118 #endif
119 
120 #endif
121