| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Header file for Special Initializers for certain USB Mass Storage devices |
| 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. |
| 21 | */ |
| 22 | |
| 23 | #include "usb.h" |
| 24 | #include "transport.h" |
| 25 | |
| 26 | /* |
| 27 | * This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target |
| 28 | * mode |
| 29 | */ |
| 30 | int usb_stor_euscsi_init(struct us_data *us); |
| 31 | |
| 32 | /* |
| 33 | * This function is required to activate all four slots on the UCR-61S2B |
| 34 | * flash reader |
| 35 | */ |
| 36 | int usb_stor_ucr61s2b_init(struct us_data *us); |
| 37 | |
| 38 | /* This places the HUAWEI E220 devices in multi-port mode */ |
| 39 | int usb_stor_huawei_e220_init(struct us_data *us); |