int ftape_activate_drive(vendor_struct * drive_type)
{
int result = 0;
TRACE_FUN(ft_t_flow);
/* If we already know the drive type, wake it up.
* Else try to find out what kind of drive is attached.
*/
if (drive_type->wake_up != unknown_wake_up) {
TRACE(ft_t_flow, "enabling tape drive and fdc");
result = ftape_wakeup_drive(drive_type->wake_up);
if (result < 0) {
TRACE(ft_t_err, "known wakeup method failed");
}
} else {
wake_up_types method;
const ft_trace_t old_tracing = TRACE_LEVEL;
if (TRACE_LEVEL < ft_t_flow) {
SET_TRACE_LEVEL(ft_t_bug);
}
/* Try to awaken the drive using all known methods.
* Lower tracing for a while.
*/
for (method=no_wake_up; method < NR_ITEMS(methods); ++method) {
drive_type->wake_up = method;
#ifdef CONFIG_FT_TWO_DRIVES
/* Test setup for dual drive configuration.
* /dev/rft2 uses mountain wakeup
* /dev/rft3 uses colorado wakeup
* Other systems will use the normal scheme.
*/
if ((ft_drive_sel < 2) ||
(ft_drive_sel == 2 && method == FT_WAKE_UP_1) ||
(ft_drive_sel == 3 && method == FT_WAKE_UP_2)) {
result=ftape_wakeup_drive(drive_type->wake_up);
} else {
result = -EIO;
}
#else
result = ftape_wakeup_drive(drive_type->wake_up);
#endif
if (result >= 0) {
TRACE(ft_t_warn, "drive wakeup method: %s",
methods[drive_type->wake_up].name);
break;
}
}
SET_TRACE_LEVEL(old_tracing);
if (method >= NR_ITEMS(methods)) {
/* no response at all, cannot open this drive */
drive_type->wake_up = unknown_wake_up;
TRACE(ft_t_err, "no tape drive found !");
result = -ENODEV;
}
}
TRACE_EXIT result;
}
int ftape_activate_drive(vendor_struct * drive_type)
{
TRACE_FUN(5, "ftape_activate_drive");
int result = 0;
/* If we already know the drive type, wake it up.
* Else try to find out what kind of drive is attached.
*/
if (drive_type->wake_up != unknown_wake_up) {
TRACE(5, "enabling tape drive and fdc");
result = ftape_wakeup_drive(drive_type->wake_up);
if (result < 0) {
TRACE(1, "known wakeup method failed");
}
} else {
int old_tracing = tracing;
wake_up_types method;
/* Try to awaken the drive using all known methods.
* Lower tracing for a while.
*/
if (tracing <= 4) {
tracing = 0;
}
for (method = no_wake_up; method < NR_ITEMS(methods); ++method) {
drive_type->wake_up = method;
#if 0
/* Test setup for dual drive configuration in dodo.
* /dev/rft2 uses mountain wakeup only -> Archive QIC-80
* /dev/rft3 uses colorado wakeup only -> Jumbo QIC-40
* Other systems will use the normal scheme.
*/
if ((FTAPE_UNIT < 2) ||
(FTAPE_UNIT == 2 && method == wake_up_mountain) ||
(FTAPE_UNIT == 3 && method == wake_up_colorado)) {
result = ftape_wakeup_drive(drive_type->wake_up);
} else {
result = -EIO;
}
#else
result = ftape_wakeup_drive(drive_type->wake_up);
#endif
if (result >= 0) {
int tracing = old_tracing; /* fool TRACE */
TRACEx1(2, "drive wakeup method: %s",
methods[drive_type->wake_up].name);
break;
}
}
tracing = old_tracing;
if (method >= NR_ITEMS(methods)) {
/* no response at all, cannot open this drive */
drive_type->wake_up = unknown_wake_up;
TRACE(1, "no tape drive found !");
tracing = old_tracing;
result = -ENODEV;
}
}
TRACE_EXIT;
return result;
}
