| #ifndef _TRANSPORT_H_ |
| #define _TRANSPORT_H_ |
| |
| #include <linux/blkdev.h> |
| |
| /* usb_stor_bulk_transfer_xxx() return codes, in order of severity */ |
| #define USB_STOR_XFER_GOOD 0 /* good transfer */ |
| #define USB_STOR_XFER_SHORT 1 /* transferred less than expected */ |
| #define USB_STOR_XFER_STALLED 2 /* endpoint stalled */ |
| #define USB_STOR_XFER_LONG 3 /* device tried to send too much */ |
| #define USB_STOR_XFER_ERROR 4 /* transfer died in the middle */ |
| |
| /* Transport return codes */ |
| #define USB_STOR_TRANSPORT_GOOD 0 /* Transport good, command good */ |
| #define USB_STOR_TRANSPORT_FAILED 1 /* Transport good, command failed */ |
| #define USB_STOR_TRANSPORT_NO_SENSE 2 /* Command failed, no auto-sense */ |
| #define USB_STOR_TRANSPORT_ERROR 3 /* Transport bad (i.e. device dead) */ |
| |
| /* |
| * We used to have USB_STOR_XFER_ABORTED and USB_STOR_TRANSPORT_ABORTED |
| * return codes. But now the transport and low-level transfer routines |
| * treat an abort as just another error (-ENOENT for a cancelled URB). |
| * It is up to the invoke_transport() function to test for aborts and |
| * distinguish them from genuine communication errors. |
| */ |
| |
| /* CBI accept device specific command */ |
| #define US_CBI_ADSC 0 |
| extern int usb_stor_Bulk_transport(struct scsi_cmnd *, struct us_data*); |
| extern int usb_stor_Bulk_max_lun(struct us_data *); |
| extern int usb_stor_Bulk_reset(struct us_data *); |
| extern void usb_stor_print_cmd(struct scsi_cmnd *); |
| extern void usb_stor_invoke_transport(struct scsi_cmnd *, struct us_data*); |
| extern void usb_stor_stop_transport(struct us_data *); |
| extern int usb_stor_control_msg(struct us_data *us, unsigned int pipe, |
| u8 request, u8 requesttype, u16 value, u16 index, |
| void *data, u16 size, int timeout); |
| extern int usb_stor_clear_halt(struct us_data *us, unsigned int pipe); |
| extern int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe, |
| void *buf, unsigned int length, unsigned int *act_len); |
| extern int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe, |
| void *buf, unsigned int length, int use_sg, int *residual); |
| extern int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe, |
| struct scsi_cmnd *srb); |
| extern int usb_stor_port_reset(struct us_data *us); |
| |
| /* Protocol handling routines */ |
| enum xfer_buf_dir {TO_XFER_BUF, FROM_XFER_BUF}; |
| extern unsigned int usb_stor_access_xfer_buf(struct us_data*, |
| unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb, |
| struct scatterlist **, unsigned int *offset, enum xfer_buf_dir dir); |
| extern void usb_stor_set_xfer_buf(struct us_data*, unsigned char *buffer, |
| unsigned int buflen, struct scsi_cmnd *srb, |
| unsigned int dir); |
| |
| /* |
| * ENE scsi function |
| */ |
| extern void ENE_stor_invoke_transport(struct scsi_cmnd *, struct us_data *); |
| extern int ENE_InitMedia(struct us_data *); |
| extern int ENE_SMInit(struct us_data *); |
| extern int ENE_SendScsiCmd(struct us_data*, BYTE, void*, int); |
| extern int ENE_LoadBinCode(struct us_data*, BYTE); |
| extern int ENE_Read_BYTE(struct us_data*, WORD index, void *buf); |
| extern int ENE_Read_Data(struct us_data*, void *buf, unsigned int length); |
| extern int ENE_Write_Data(struct us_data*, void *buf, unsigned int length); |
| extern void BuildSenseBuffer(struct scsi_cmnd *, int); |
| |
| /* |
| * ENE scsi function |
| */ |
| extern int SM_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb); |
| |
| #endif |
