diff options
Diffstat (limited to 'drivers/staging/keucr/transport.h')
| -rw-r--r-- | drivers/staging/keucr/transport.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/staging/keucr/transport.h b/drivers/staging/keucr/transport.h new file mode 100644 index 00000000..2a11a983 --- /dev/null +++ b/drivers/staging/keucr/transport.h @@ -0,0 +1,74 @@ +#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 |