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/*
* Driver for Microtek Scanmaker X6 USB scanner and possibly others.
*
* (C) Copyright 2000 John Fremlin <vii@penguinpowered.com>
* (C) Copyright 2000 Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
*
* See microtek.c for history
*
*/
typedef void (*mts_scsi_cmnd_callback)(Scsi_Cmnd *);
struct mts_transfer_context
{
struct mts_desc* instance;
mts_scsi_cmnd_callback final_callback;
Scsi_Cmnd *srb;
void* data;
unsigned data_length;
int data_pipe;
int fragment;
u8 status; /* status returned from ep_response after command completion */
};
struct mts_desc {
struct mts_desc *next;
struct mts_desc *prev;
struct usb_device *usb_dev;
struct usb_interface *usb_intf;
/* Endpoint addresses */
u8 ep_out;
u8 ep_response;
u8 ep_image;
struct Scsi_Host * host;
struct semaphore lock;
struct urb *urb;
struct mts_transfer_context context;
};
#define MTS_EP_OUT 0x1
#define MTS_EP_RESPONSE 0x2
#define MTS_EP_IMAGE 0x3
#define MTS_EP_TOTAL 0x3
#define MTS_SCSI_ERR_MASK ~0x3fu
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