1#ifndef _TRANSPORT_H_
2#define _TRANSPORT_H_
3
4#include <linux/blkdev.h>
5
6/* usb_stor_bulk_transfer_xxx() return codes, in order of severity */
7#define USB_STOR_XFER_GOOD	0	/* good transfer                 */
8#define USB_STOR_XFER_SHORT	1	/* transferred less than expected */
9#define USB_STOR_XFER_STALLED	2	/* endpoint stalled              */
10#define USB_STOR_XFER_LONG	3	/* device tried to send too much */
11#define USB_STOR_XFER_ERROR	4	/* transfer died in the middle   */
12
13/* Transport return codes */
14#define USB_STOR_TRANSPORT_GOOD	0	/* Transport good, command good	*/
15#define USB_STOR_TRANSPORT_FAILED 1	/* Transport good, command failed */
16#define USB_STOR_TRANSPORT_NO_SENSE 2	/* Command failed, no auto-sense */
17#define USB_STOR_TRANSPORT_ERROR 3	/* Transport bad (i.e. device dead) */
18
19/*
20 * We used to have USB_STOR_XFER_ABORTED and USB_STOR_TRANSPORT_ABORTED
21 * return codes.  But now the transport and low-level transfer routines
22 * treat an abort as just another error (-ENOENT for a cancelled URB).
23 * It is up to the invoke_transport() function to test for aborts and
24 * distinguish them from genuine communication errors.
25 */
26
27/* CBI accept device specific command */
28#define US_CBI_ADSC		0
29extern int usb_stor_Bulk_transport(struct scsi_cmnd *, struct us_data*);
30extern int usb_stor_Bulk_max_lun(struct us_data *);
31extern int usb_stor_Bulk_reset(struct us_data *);
32extern void usb_stor_print_cmd(struct scsi_cmnd *);
33extern void usb_stor_invoke_transport(struct scsi_cmnd *, struct us_data*);
34extern void usb_stor_stop_transport(struct us_data *);
35extern int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
36		u8 request, u8 requesttype, u16 value, u16 index,
37		void *data, u16 size, int timeout);
38extern int usb_stor_clear_halt(struct us_data *us, unsigned int pipe);
39extern int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
40		void *buf, unsigned int length, unsigned int *act_len);
41extern int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe,
42		void *buf, unsigned int length, int use_sg, int *residual);
43extern int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe,
44		struct scsi_cmnd *srb);
45extern int usb_stor_port_reset(struct us_data *us);
46
47/* Protocol handling routines */
48enum xfer_buf_dir	{TO_XFER_BUF, FROM_XFER_BUF};
49extern unsigned int usb_stor_access_xfer_buf(struct us_data*,
50	unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb,
51	struct scatterlist **, unsigned int *offset, enum xfer_buf_dir dir);
52extern void usb_stor_set_xfer_buf(struct us_data*, unsigned char *buffer,
53	unsigned int buflen, struct scsi_cmnd *srb,
54	unsigned int dir);
55
56/*
57 * ENE scsi function
58 */
59extern void ENE_stor_invoke_transport(struct scsi_cmnd *, struct us_data *);
60extern int ENE_InitMedia(struct us_data *);
61extern int ENE_SMInit(struct us_data *);
62extern int ENE_SendScsiCmd(struct us_data*, BYTE, void*, int);
63extern int ENE_LoadBinCode(struct us_data*, BYTE);
64extern int ENE_Read_BYTE(struct us_data*, WORD index, void *buf);
65extern int ENE_Read_Data(struct us_data*, void *buf, unsigned int length);
66extern int ENE_Write_Data(struct us_data*, void *buf, unsigned int length);
67extern void BuildSenseBuffer(struct scsi_cmnd *, int);
68
69/*
70 * ENE scsi function
71 */
72extern int SM_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb);
73
74#endif
75