Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Interface to the libusual.
3 *
4 * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
5 * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
6 * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
7 */
8
9#ifndef __LINUX_USB_USUAL_H
10#define __LINUX_USB_USUAL_H
11
12#include <linux/config.h>
13
14/* We should do this for cleanliness... But other usb_foo.h do not do this. */
15/* #include <linux/usb.h> */
16
17/*
18 * The flags field, which we store in usb_device_id.driver_info.
19 * It is compatible with the old usb-storage flags in lower 24 bits.
20 */
21
22/*
23 * Static flag definitions. We use this roundabout technique so that the
24 * proc_info() routine can automatically display a message for each flag.
25 */
26#define US_DO_ALL_FLAGS \
27 US_FLAG(SINGLE_LUN, 0x00000001) \
28 /* allow access to only LUN 0 */ \
29 US_FLAG(NEED_OVERRIDE, 0x00000002) \
30 /* unusual_devs entry is necessary */ \
31 US_FLAG(SCM_MULT_TARG, 0x00000004) \
32 /* supports multiple targets */ \
33 US_FLAG(FIX_INQUIRY, 0x00000008) \
34 /* INQUIRY response needs faking */ \
35 US_FLAG(FIX_CAPACITY, 0x00000010) \
36 /* READ CAPACITY response too big */ \
37 US_FLAG(IGNORE_RESIDUE, 0x00000020) \
38 /* reported residue is wrong */ \
39 US_FLAG(BULK32, 0x00000040) \
40 /* Uses 32-byte CBW length */ \
41 US_FLAG(NOT_LOCKABLE, 0x00000080) \
42 /* PREVENT/ALLOW not supported */ \
43 US_FLAG(GO_SLOW, 0x00000100) \
44 /* Need delay after Command phase */ \
45 US_FLAG(NO_WP_DETECT, 0x00000200) \
46 /* Don't check for write-protect */ \
47
48#define US_FLAG(name, value) US_FL_##name = value ,
49enum { US_DO_ALL_FLAGS };
50#undef US_FLAG
51
52/*
53 * The bias field for libusual and friends.
54 */
55#define USB_US_TYPE_NONE 0
56#define USB_US_TYPE_STOR 1 /* usb-storage */
57#define USB_US_TYPE_UB 2 /* ub */
58
59#define USB_US_TYPE(flags) (((flags) >> 24) & 0xFF)
60#define USB_US_ORIG_FLAGS(flags) ((flags) & 0x00FFFFFF)
61
62/*
63 * This is probably not the best place to keep these constants, conceptually.
64 * But it's the only header included into all places which need them.
65 */
66
67/* Sub Classes */
68
69#define US_SC_RBC 0x01 /* Typically, flash devices */
70#define US_SC_8020 0x02 /* CD-ROM */
71#define US_SC_QIC 0x03 /* QIC-157 Tapes */
72#define US_SC_UFI 0x04 /* Floppy */
73#define US_SC_8070 0x05 /* Removable media */
74#define US_SC_SCSI 0x06 /* Transparent */
75#define US_SC_ISD200 0x07 /* ISD200 ATA */
76#define US_SC_MIN US_SC_RBC
77#define US_SC_MAX US_SC_ISD200
78
79#define US_SC_DEVICE 0xff /* Use device's value */
80
81/* Protocols */
82
83#define US_PR_CBI 0x00 /* Control/Bulk/Interrupt */
84#define US_PR_CB 0x01 /* Control/Bulk w/o interrupt */
85#define US_PR_BULK 0x50 /* bulk only */
86#ifdef CONFIG_USB_STORAGE_USBAT
87#define US_PR_USBAT 0x80 /* SCM-ATAPI bridge */
88#endif
89#ifdef CONFIG_USB_STORAGE_SDDR09
90#define US_PR_EUSB_SDDR09 0x81 /* SCM-SCSI bridge for SDDR-09 */
91#endif
92#ifdef CONFIG_USB_STORAGE_SDDR55
93#define US_PR_SDDR55 0x82 /* SDDR-55 (made up) */
94#endif
95#define US_PR_DPCM_USB 0xf0 /* Combination CB/SDDR09 */
96#ifdef CONFIG_USB_STORAGE_FREECOM
97#define US_PR_FREECOM 0xf1 /* Freecom */
98#endif
99#ifdef CONFIG_USB_STORAGE_DATAFAB
100#define US_PR_DATAFAB 0xf2 /* Datafab chipsets */
101#endif
102#ifdef CONFIG_USB_STORAGE_JUMPSHOT
103#define US_PR_JUMPSHOT 0xf3 /* Lexar Jumpshot */
104#endif
105#ifdef CONFIG_USB_STORAGE_ALAUDA
106#define US_PR_ALAUDA 0xf4 /* Alauda chipsets */
107#endif
108
109#define US_PR_DEVICE 0xff /* Use device's value */
110
111/*
112 */
113#ifdef CONFIG_USB_LIBUSUAL
114
115extern struct usb_device_id storage_usb_ids[];
116extern void usb_usual_set_present(int type);
117extern void usb_usual_clear_present(int type);
118extern int usb_usual_check_type(const struct usb_device_id *, int type);
119#else
120
121#define usb_usual_set_present(t) do { } while(0)
122#define usb_usual_clear_present(t) do { } while(0)
123#define usb_usual_check_type(id, t) (0)
124#endif /* CONFIG_USB_LIBUSUAL */
125
126#endif /* __LINUX_USB_USUAL_H */