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