protocol.h (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) protocol.h (a00828e9ac62caed7b830d631914d7748817ccd1)
1/* Driver for USB Mass Storage compliant devices
2 * Protocol Functions Header File
3 *
4 * $Id: protocol.h,v 1.4 2001/02/13 07:10:03 mdharm Exp $
5 *
6 * Current development and maintenance by:
7 * (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
8 *

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36 * You should have received a copy of the GNU General Public License along
37 * with this program; if not, write to the Free Software Foundation, Inc.,
38 * 675 Mass Ave, Cambridge, MA 02139, USA.
39 */
40
41#ifndef _PROTOCOL_H_
42#define _PROTOCOL_H_
43
1/* Driver for USB Mass Storage compliant devices
2 * Protocol Functions Header File
3 *
4 * $Id: protocol.h,v 1.4 2001/02/13 07:10:03 mdharm Exp $
5 *
6 * Current development and maintenance by:
7 * (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
8 *

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36 * You should have received a copy of the GNU General Public License along
37 * with this program; if not, write to the Free Software Foundation, Inc.,
38 * 675 Mass Ave, Cambridge, MA 02139, USA.
39 */
40
41#ifndef _PROTOCOL_H_
42#define _PROTOCOL_H_
43
44/* Sub Classes */
45
46#define US_SC_RBC 0x01 /* Typically, flash devices */
47#define US_SC_8020 0x02 /* CD-ROM */
48#define US_SC_QIC 0x03 /* QIC-157 Tapes */
49#define US_SC_UFI 0x04 /* Floppy */
50#define US_SC_8070 0x05 /* Removable media */
51#define US_SC_SCSI 0x06 /* Transparent */
52#define US_SC_ISD200 0x07 /* ISD200 ATA */
53#define US_SC_MIN US_SC_RBC
54#define US_SC_MAX US_SC_ISD200
55
56#define US_SC_DEVICE 0xff /* Use device's value */
57
58/* Protocol handling routines */
59extern void usb_stor_ATAPI_command(struct scsi_cmnd*, struct us_data*);
60extern void usb_stor_qic157_command(struct scsi_cmnd*, struct us_data*);
61extern void usb_stor_ufi_command(struct scsi_cmnd*, struct us_data*);
62extern void usb_stor_transparent_scsi_command(struct scsi_cmnd*,
63 struct us_data*);
64
65/* struct scsi_cmnd transfer buffer access utilities */
66enum xfer_buf_dir {TO_XFER_BUF, FROM_XFER_BUF};
67
68extern unsigned int usb_stor_access_xfer_buf(unsigned char *buffer,
69 unsigned int buflen, struct scsi_cmnd *srb, unsigned int *index,
70 unsigned int *offset, enum xfer_buf_dir dir);
71
72extern void usb_stor_set_xfer_buf(unsigned char *buffer,
73 unsigned int buflen, struct scsi_cmnd *srb);
74#endif
44/* Protocol handling routines */
45extern void usb_stor_ATAPI_command(struct scsi_cmnd*, struct us_data*);
46extern void usb_stor_qic157_command(struct scsi_cmnd*, struct us_data*);
47extern void usb_stor_ufi_command(struct scsi_cmnd*, struct us_data*);
48extern void usb_stor_transparent_scsi_command(struct scsi_cmnd*,
49 struct us_data*);
50
51/* struct scsi_cmnd transfer buffer access utilities */
52enum xfer_buf_dir {TO_XFER_BUF, FROM_XFER_BUF};
53
54extern unsigned int usb_stor_access_xfer_buf(unsigned char *buffer,
55 unsigned int buflen, struct scsi_cmnd *srb, unsigned int *index,
56 unsigned int *offset, enum xfer_buf_dir dir);
57
58extern void usb_stor_set_xfer_buf(unsigned char *buffer,
59 unsigned int buflen, struct scsi_cmnd *srb);
60#endif