1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Interface to the libusual.
4  *
5  * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
6  * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
7  * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
8  */
9 
10 #ifndef __LINUX_USB_USUAL_H
11 #define __LINUX_USB_USUAL_H
12 
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 	US_FLAG(MAX_SECTORS_64,	0x00000400)			\
48 		/* Sets max_sectors to 64    */			\
49 	US_FLAG(IGNORE_DEVICE,	0x00000800)			\
50 		/* Don't claim device */			\
51 	US_FLAG(CAPACITY_HEURISTICS,	0x00001000)		\
52 		/* sometimes sizes is too big */		\
53 	US_FLAG(MAX_SECTORS_MIN,0x00002000)			\
54 		/* Sets max_sectors to arch min */		\
55 	US_FLAG(BULK_IGNORE_TAG,0x00004000)			\
56 		/* Ignore tag mismatch in bulk operations */    \
57 	US_FLAG(SANE_SENSE,     0x00008000)			\
58 		/* Sane Sense (> 18 bytes) */			\
59 	US_FLAG(CAPACITY_OK,	0x00010000)			\
60 		/* READ CAPACITY response is correct */		\
61 	US_FLAG(BAD_SENSE,	0x00020000)			\
62 		/* Bad Sense (never more than 18 bytes) */	\
63 	US_FLAG(NO_READ_DISC_INFO,	0x00040000)		\
64 		/* cannot handle READ_DISC_INFO */		\
65 	US_FLAG(NO_READ_CAPACITY_16,	0x00080000)		\
66 		/* cannot handle READ_CAPACITY_16 */		\
67 	US_FLAG(INITIAL_READ10,	0x00100000)			\
68 		/* Initial READ(10) (and others) must be retried */	\
69 	US_FLAG(WRITE_CACHE,	0x00200000)			\
70 		/* Write Cache status is not available */	\
71 	US_FLAG(NEEDS_CAP16,	0x00400000)			\
72 		/* cannot handle READ_CAPACITY_10 */		\
73 	US_FLAG(IGNORE_UAS,	0x00800000)			\
74 		/* Device advertises UAS but it is broken */	\
75 	US_FLAG(BROKEN_FUA,	0x01000000)			\
76 		/* Cannot handle FUA in WRITE or READ CDBs */	\
77 	US_FLAG(NO_ATA_1X,	0x02000000)			\
78 		/* Cannot handle ATA_12 or ATA_16 CDBs */	\
79 	US_FLAG(NO_REPORT_OPCODES,	0x04000000)		\
80 		/* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */	\
81 	US_FLAG(MAX_SECTORS_240,	0x08000000)		\
82 		/* Sets max_sectors to 240 */			\
83 	US_FLAG(NO_REPORT_LUNS,	0x10000000)			\
84 		/* Cannot handle REPORT_LUNS */			\
85 	US_FLAG(ALWAYS_SYNC, 0x20000000)			\
86 		/* lies about caching, so always sync */	\
87 	US_FLAG(NO_SAME, 0x40000000)				\
88 		/* Cannot handle WRITE_SAME */			\
89 	US_FLAG(SENSE_AFTER_SYNC, 0x80000000)			\
90 		/* Do REQUEST_SENSE after SYNCHRONIZE_CACHE */	\
91 
92 #define US_FLAG(name, value)	US_FL_##name = value ,
93 enum { US_DO_ALL_FLAGS };
94 #undef US_FLAG
95 
96 #include <linux/usb/storage.h>
97 
98 extern int usb_usual_ignore_device(struct usb_interface *intf);
99 extern const struct usb_device_id usb_storage_usb_ids[];
100 
101 #endif /* __LINUX_USB_USUAL_H */
102