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Made use of Immed bit with 1Bh START STOP UNIT and 35h SYNCHRONIZE CACHE

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This commit is contained in:
Thomas Schmitt
2007-09-18 20:03:20 +00:00
parent 129db7ee49
commit a80f8359fe
6 changed files with 82 additions and 12 deletions
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43
libburn/spc.c
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@ -98,19 +98,52 @@ int spc_test_unit_ready(struct burn_drive *d)
/* ts A70315 */
/** @param flag bit0=do not wait 0.1 seconds before first test unit ready */
/** Wait until the drive state becomes clear or until max_usec elapsed */
int spc_wait_unit_attention(struct burn_drive *d, int max_sec)
int spc_wait_unit_attention(struct burn_drive *d, int max_sec, char *cmd_text,
int flag)
{
int i, ret, key, asc, ascq;
char msg[160];
for(i=0; i < max_sec; i++) {
if (!(flag & 1))
usleep(100000);
for(i = !(flag & 1); i < max_sec * 10; i++) {
ret = spc_test_unit_ready_r(d, &key, &asc, &ascq);
if(ret > 0 || key!=0x2 || asc!=0x4) /* ready or error */
if(ret > 0) /* ready */
break;
usleep(1000000);
if(key!=0x2 || asc!=0x4) {
if (key == 0x2 && asc == 0x3A) {
ret = 1; /* medium not present = ok */
break;
}
if (key == 0x6 && asc == 0x28 && ascq == 0x00)
continue; /* media change notice = try again */
sprintf(msg,
"Asynchromous SCSI error on %s: key=%X asc=%2.2Xh ascq=%2.2Xh",
cmd_text, (unsigned) key, (unsigned) asc,
(unsigned) ascq);
libdax_msgs_submit(libdax_messenger, d->global_index,
0x0002014d,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
d->cancel = 1;
break;
}
usleep(100000);
}
if (i < max_sec)
sprintf(msg, "Async %s %s after %d.%d seconds",
cmd_text, (ret > 0 ? "succeeded" : "failed"), i / 10, i % 10);
libdax_msgs_submit(libdax_messenger, d->global_index, 0x00020150,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_LOW, msg, 0, 0);
if (i < max_sec * 10)
return (ret > 0);
sprintf(msg, "Timeout (%d s) with asynchronous SCSI command %s\n",
max_sec, cmd_text);
libdax_msgs_submit(libdax_messenger, d->global_index, 0x0002014f,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH, msg, 0, 0);
return 0;
}