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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0+ |
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2 | /* |
3 | * Header file for Special Initializers for certain USB Mass Storage devices | |
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4 | * |
5 | * Current development and maintenance by: | |
6 | * (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net) | |
7 | * | |
8 | * This driver is based on the 'USB Mass Storage Class' document. This | |
9 | * describes in detail the protocol used to communicate with such | |
10 | * devices. Clearly, the designers had SCSI and ATAPI commands in | |
11 | * mind when they created this document. The commands are all very | |
12 | * similar to commands in the SCSI-II and ATAPI specifications. | |
13 | * | |
14 | * It is important to note that in a number of cases this class | |
15 | * exhibits class-specific exemptions from the USB specification. | |
16 | * Notably the usage of NAK, STALL and ACK differs from the norm, in | |
17 | * that they are used to communicate wait, failed and OK on commands. | |
18 | * | |
19 | * Also, for certain devices, the interrupt endpoint is used to convey | |
20 | * status of a command. | |
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21 | */ |
22 | ||
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23 | #include "usb.h" |
24 | #include "transport.h" | |
25 | ||
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26 | /* |
27 | * This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target | |
28 | * mode | |
29 | */ | |
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30 | int usb_stor_euscsi_init(struct us_data *us); |
31 | ||
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32 | /* |
33 | * This function is required to activate all four slots on the UCR-61S2B | |
34 | * flash reader | |
35 | */ | |
1da177e4 | 36 | int usb_stor_ucr61s2b_init(struct us_data *us); |
d853d872 | 37 | |
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38 | /* This places the HUAWEI E220 devices in multi-port mode */ |
39 | int usb_stor_huawei_e220_init(struct us_data *us); |