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Centralized interpretation of SCSI command outcome

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This commit is contained in:
Thomas Schmitt
2010-09-14 12:50:06 +00:00
parent 4cc524097b
commit c1f4063193
7 changed files with 198 additions and 38 deletions
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80
libburn/spc.c
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@ -1408,28 +1408,10 @@ int scsi_notify_error(struct burn_drive *d, struct command *c,
sprintf(msg, "SCSI error condition on command %2.2Xh %s: ",
c->opcode[0],
scsi_command_name((unsigned int) c->opcode[0], 0));
#ifdef NIX
if (key>=0)
sprintf(msg+strlen(msg), " key=%Xh", key);
if (asc>=0)
sprintf(msg+strlen(msg), " asc=%2.2Xh", asc);
if (ascq>=0)
sprintf(msg+strlen(msg), " ascq=%2.2Xh", ascq);
ret = libdax_msgs_submit(libdax_messenger, d->global_index, 0x0002010f,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH, msg,0,0);
if (ret < 0)
return ret;
ret = libdax_msgs_submit(libdax_messenger, d->global_index, 0x0002010f,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
scsi_msg,0,0);
#else
strcat(msg, scsi_msg);
ret = libdax_msgs_submit(libdax_messenger, d->global_index, 0x0002010f,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH, msg,0,0);
#endif /* NIX */
return ret;
}
@ -1530,13 +1512,6 @@ int scsi_log_err(struct command *c, void *fp_in, unsigned char sense[18],
if (fp != NULL && (fp == stderr || (burn_sg_log_scsi & 1))) {
if (flag & 1) {
durtxt[0] = 0;
if (!(flag & 2))
sprintf(durtxt, " (%6d ms)", duration);
spc_decode_sense(sense, 0, &key, &asc, &ascq);
fprintf(fp, "+++ key=%X asc=%2.2Xh ascq=%2.2Xh%s\n",
(unsigned int) key, (unsigned int) asc,
(unsigned int) ascq, durtxt);
l = 18;
if ((sense[0] & 0x7f) == 0x72 ||
(sense[0] & 0x7f) == 0x73)
@ -1547,6 +1522,13 @@ int scsi_log_err(struct command *c, void *fp_in, unsigned char sense[18],
for (i = 0 ; i < l; i++)
fprintf(fp, " %2.2X", sense[i]);
fprintf(fp, "\n");
durtxt[0] = 0;
if (!(flag & 2))
sprintf(durtxt, " (%6d ms)", duration);
spc_decode_sense(sense, 0, &key, &asc, &ascq);
fprintf(fp, "+++ key=%X asc=%2.2Xh ascq=%2.2Xh%s\n",
(unsigned int) key, (unsigned int) asc,
(unsigned int) ascq, durtxt);
} else {
scsi_show_cmd_reply(c, fp, 0);
if (!(flag & 2))
@ -1561,3 +1543,51 @@ int scsi_log_err(struct command *c, void *fp_in, unsigned char sense[18],
return 1;
}
/* ts B00808 */
/*
@param flag bit0 = do not retry
bit1 = do not print duration
@return 0 = not yet done , 1 = done , -1 = error
*/
int scsi_eval_cmd_outcome(struct burn_drive *d, struct command *c, void *fp,
unsigned char *sense, int sense_len,
int duration, time_t start_time, int timeout_ms,
int loop_count, int flag)
{
enum response outcome;
int done = -1, usleep_time;
if (sense_len <= 0)
return 1;
if (burn_sg_log_scsi & 3)
scsi_log_err(c, fp, sense, sense_len, duration,
1 | (flag & 2));
outcome = scsi_error(d, sense, sense_len);
if (outcome == RETRY && c->retry && !(flag & 1)) {
/* Calming down retries and breaking up endless cycle
*/
usleep_time = Libburn_scsi_retry_usleeP +
loop_count * Libburn_scsi_retry_incR;
if (time(NULL) + usleep_time / 1000000 - start_time >
timeout_ms / 1000 + 1) {
done = 1;
goto ex;
}
usleep(usleep_time);
if (burn_sg_log_scsi & 3)
scsi_log_cmd(c, fp, 0);
return 0;
} else if (outcome == RETRY) {
done = 1;
} else if (outcome == GO_ON) {
return 1;
} else if (outcome == FAIL) {
done = 1;
}
ex:;
c->error = 1;
scsi_notify_error(d, c, sense, sense_len, 0);
return done;
}