void usb_stor_show_command_data(struct scsi_cmnd *srb, char *what)
{
int i;
#endif
US_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len);
US_DEBUGP("");
for (i = 0; i < srb->cmd_len && i < 16; i++)
US_DEBUGPX(" %02x", srb->cmnd[i]);
US_DEBUGPX("\n");
}
void usb_stor_show_sense(
unsigned char key,
unsigned char asc,
unsigned char ascq) {
const char *what, *keystr;
keystr = scsi_sense_key_string(key);
what = scsi_extd_sense_format(asc, ascq);
if (keystr == NULL)
keystr = "(Unknown Key)";
if (what == NULL)
what = "(unknown ASC/ASCQ)";
US_DEBUGP("%s: ", keystr);
US_DEBUGPX(what, ascq);
US_DEBUGPX("\n");
}
void usb_stor_show_sense(const struct us_data *us,
unsigned char key,
unsigned char asc,
unsigned char ascq)
{
const char *what, *keystr, *fmt;
keystr = scsi_sense_key_string(key);
what = scsi_extd_sense_format(asc, ascq, &fmt);
if (keystr == NULL)
keystr = "(Unknown Key)";
if (what == NULL)
what = "(unknown ASC/ASCQ)";
usb_stor_dbg(us, "%s: ", keystr);
if (fmt)
US_DEBUGPX("%s (%s%x)\n", what, fmt, ascq);
else
US_DEBUGPX("%s\n", what);
}
void usb_stor_show_command(struct scsi_cmnd *srb)
{
char *what = NULL;
int i;
switch (srb->cmnd[0]) {
case TEST_UNIT_READY: what = "TEST_UNIT_READY"; break;
case REZERO_UNIT: what = "REZERO_UNIT"; break;
case REQUEST_SENSE: what = "REQUEST_SENSE"; break;
case FORMAT_UNIT: what = "FORMAT_UNIT"; break;
case READ_BLOCK_LIMITS: what = "READ_BLOCK_LIMITS"; break;
case REASSIGN_BLOCKS: what = "REASSIGN_BLOCKS"; break;
case READ_6: what = "READ_6"; break;
case WRITE_6: what = "WRITE_6"; break;
case SEEK_6: what = "SEEK_6"; break;
case READ_REVERSE: what = "READ_REVERSE"; break;
case WRITE_FILEMARKS: what = "WRITE_FILEMARKS"; break;
case SPACE: what = "SPACE"; break;
case INQUIRY: what = "INQUIRY"; break;
case RECOVER_BUFFERED_DATA: what = "RECOVER_BUFFERED_DATA"; break;
case MODE_SELECT: what = "MODE_SELECT"; break;
case RESERVE: what = "RESERVE"; break;
case RELEASE: what = "RELEASE"; break;
case COPY: what = "COPY"; break;
case ERASE: what = "ERASE"; break;
case MODE_SENSE: what = "MODE_SENSE"; break;
case START_STOP: what = "START_STOP"; break;
case RECEIVE_DIAGNOSTIC: what = "RECEIVE_DIAGNOSTIC"; break;
case SEND_DIAGNOSTIC: what = "SEND_DIAGNOSTIC"; break;
case ALLOW_MEDIUM_REMOVAL: what = "ALLOW_MEDIUM_REMOVAL"; break;
case SET_WINDOW: what = "SET_WINDOW"; break;
case READ_CAPACITY: what = "READ_CAPACITY"; break;
case READ_10: what = "READ_10"; break;
case WRITE_10: what = "WRITE_10"; break;
case SEEK_10: what = "SEEK_10"; break;
case WRITE_VERIFY: what = "WRITE_VERIFY"; break;
case VERIFY: what = "VERIFY"; break;
case SEARCH_HIGH: what = "SEARCH_HIGH"; break;
case SEARCH_EQUAL: what = "SEARCH_EQUAL"; break;
case SEARCH_LOW: what = "SEARCH_LOW"; break;
case SET_LIMITS: what = "SET_LIMITS"; break;
case READ_POSITION: what = "READ_POSITION"; break;
case SYNCHRONIZE_CACHE: what = "SYNCHRONIZE_CACHE"; break;
case LOCK_UNLOCK_CACHE: what = "LOCK_UNLOCK_CACHE"; break;
case READ_DEFECT_DATA: what = "READ_DEFECT_DATA"; break;
case MEDIUM_SCAN: what = "MEDIUM_SCAN"; break;
case COMPARE: what = "COMPARE"; break;
case COPY_VERIFY: what = "COPY_VERIFY"; break;
case WRITE_BUFFER: what = "WRITE_BUFFER"; break;
case READ_BUFFER: what = "READ_BUFFER"; break;
case UPDATE_BLOCK: what = "UPDATE_BLOCK"; break;
case READ_LONG: what = "READ_LONG"; break;
case WRITE_LONG: what = "WRITE_LONG"; break;
case CHANGE_DEFINITION: what = "CHANGE_DEFINITION"; break;
case WRITE_SAME: what = "WRITE_SAME"; break;
case GPCMD_READ_SUBCHANNEL: what = "READ SUBCHANNEL"; break;
case READ_TOC: what = "READ_TOC"; break;
case GPCMD_READ_HEADER: what = "READ HEADER"; break;
case GPCMD_PLAY_AUDIO_10: what = "PLAY AUDIO (10)"; break;
case GPCMD_PLAY_AUDIO_MSF: what = "PLAY AUDIO MSF"; break;
case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
what = "GET EVENT/STATUS NOTIFICATION"; break;
case GPCMD_PAUSE_RESUME: what = "PAUSE/RESUME"; break;
case LOG_SELECT: what = "LOG_SELECT"; break;
case LOG_SENSE: what = "LOG_SENSE"; break;
case GPCMD_STOP_PLAY_SCAN: what = "STOP PLAY/SCAN"; break;
case GPCMD_READ_DISC_INFO: what = "READ DISC INFORMATION"; break;
case GPCMD_READ_TRACK_RZONE_INFO:
what = "READ TRACK INFORMATION"; break;
case GPCMD_RESERVE_RZONE_TRACK: what = "RESERVE TRACK"; break;
case GPCMD_SEND_OPC: what = "SEND OPC"; break;
case MODE_SELECT_10: what = "MODE_SELECT_10"; break;
case GPCMD_REPAIR_RZONE_TRACK: what = "REPAIR TRACK"; break;
case 0x59: what = "READ MASTER CUE"; break;
case MODE_SENSE_10: what = "MODE_SENSE_10"; break;
case GPCMD_CLOSE_TRACK: what = "CLOSE TRACK/SESSION"; break;
case 0x5C: what = "READ BUFFER CAPACITY"; break;
case 0x5D: what = "SEND CUE SHEET"; break;
case GPCMD_BLANK: what = "BLANK"; break;
case MOVE_MEDIUM: what = "MOVE_MEDIUM or PLAY AUDIO (12)"; break;
case READ_12: what = "READ_12"; break;
case WRITE_12: what = "WRITE_12"; break;
case WRITE_VERIFY_12: what = "WRITE_VERIFY_12"; break;
case SEARCH_HIGH_12: what = "SEARCH_HIGH_12"; break;
case SEARCH_EQUAL_12: what = "SEARCH_EQUAL_12"; break;
case SEARCH_LOW_12: what = "SEARCH_LOW_12"; break;
case SEND_VOLUME_TAG: what = "SEND_VOLUME_TAG"; break;
case READ_ELEMENT_STATUS: what = "READ_ELEMENT_STATUS"; break;
case GPCMD_READ_CD_MSF: what = "READ CD MSF"; break;
case GPCMD_SCAN: what = "SCAN"; break;
case GPCMD_SET_SPEED: what = "SET CD SPEED"; break;
case GPCMD_MECHANISM_STATUS: what = "MECHANISM STATUS"; break;
case GPCMD_READ_CD: what = "READ CD"; break;
case 0xE1: what = "WRITE CONTINUE"; break;
case WRITE_LONG_2: what = "WRITE_LONG_2"; break;
default: what = "(unknown command)"; break;
}
US_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len);
US_DEBUGP("");
for (i = 0; i < srb->cmd_len && i < 16; i++)
US_DEBUGPX(" %02x", srb->cmnd[i]);
US_DEBUGPX("\n");
}
/* This resets the device port, and simulates the device
* disconnect/reconnect for all drivers which have claimed other
* interfaces. */
static int bus_reset( Scsi_Cmnd *srb )
{
struct us_data *us = (struct us_data *)srb->host->hostdata[0];
int i;
int result;
/* we use the usb_reset_device() function to handle this for us */
US_DEBUGP("bus_reset() called\n");
/* if the device has been removed, this worked */
if (!us->pusb_dev) {
US_DEBUGP("-- device removed already\n");
return SUCCESS;
}
spin_unlock_irq(&io_request_lock);
/* release the IRQ, if we have one */
down(&(us->irq_urb_sem));
if (us->irq_urb) {
US_DEBUGP("-- releasing irq URB\n");
result = usb_unlink_urb(us->irq_urb);
US_DEBUGP("-- usb_unlink_urb() returned %d\n", result);
}
up(&(us->irq_urb_sem));
/* attempt to reset the port */
if (usb_reset_device(us->pusb_dev) < 0) {
spin_lock_irq(&io_request_lock);
return FAILED;
}
/* FIXME: This needs to lock out driver probing while it's working
* or we can have race conditions */
for (i = 0; i < us->pusb_dev->actconfig->bNumInterfaces; i++) {
struct usb_interface *intf =
&us->pusb_dev->actconfig->interface[i];
const struct usb_device_id *id;
/* if this is an unclaimed interface, skip it */
if (!intf->driver) {
continue;
}
US_DEBUGP("Examinging driver %s...", intf->driver->name);
/* skip interfaces which we've claimed */
if (intf->driver == &usb_storage_driver) {
US_DEBUGPX("skipping ourselves.\n");
continue;
}
/* simulate a disconnect and reconnect for all interfaces */
US_DEBUGPX("simulating disconnect/reconnect.\n");
down(&intf->driver->serialize);
intf->driver->disconnect(us->pusb_dev, intf->private_data);
id = usb_match_id(us->pusb_dev, intf, intf->driver->id_table);
intf->driver->probe(us->pusb_dev, i, id);
up(&intf->driver->serialize);
}
/* re-allocate the IRQ URB and submit it to restore connectivity
* for CBI devices
*/
if (us->protocol == US_PR_CBI) {
down(&(us->irq_urb_sem));
us->irq_urb->dev = us->pusb_dev;
result = usb_submit_urb(us->irq_urb);
US_DEBUGP("usb_submit_urb() returns %d\n", result);
up(&(us->irq_urb_sem));
}
spin_lock_irq(&io_request_lock);
US_DEBUGP("bus_reset() complete\n");
return SUCCESS;
}
