Improved reaction on Damage Bit and missing NWA_V of READ TRACK INFORMATION

This commit is contained in:
2011-05-26 14:58:10 +00:00
parent edd131b1b9
commit 0352486f97
4 changed files with 57 additions and 7 deletions

View File

@ -423,9 +423,12 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf,
int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
{
struct buffer *buf = NULL;
int ret, num, alloc_len = 20;
int ret, num, alloc_len = 20, err;
unsigned char *data;
char *msg = NULL;
if (trackno <= 0)
d->next_track_damaged = 0;
mmc_start_if_needed(d, 1);
if (mmc_function_spy(d, "mmc_get_nwa") <= 0)
{ret = -1; goto ex;}
@ -447,16 +450,53 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
/* >>> memorize track mode : data[6] & 0xf */;
#endif
{ static int fake_damage = 0; /* bit0= damage on , bit1= NWA_V off */
if (fake_damage & 1)
data[5] |= 32; /* Damage bit */
if (fake_damage & 2)
data[7] &= ~1;
}
BURN_ALLOC_MEM(msg, char, 160);
if (trackno > 0)
sprintf(msg, "Track number %d: ", trackno);
else
sprintf(msg, "Upcomming track: ");
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12 || d->current_profile == 0x43) {
/* overwriteable */
*lba = *nwa = num = 0;
} else if (!(data[7]&1)) {
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
"mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);
} else if (data[5] & 32) { /* ts B10534 : MMC-5 6.27.3.7 Damage Bit */
if (!(data[7] & 1)) { /* NWA_V is set to zero */
/* "not closed due to an incomplete write" */
strcat(msg, "Damaged, not closed and not writable");
err= 0x00020185;
} else {
/* "may be recorded further in an incremental manner"*/
strcat(msg, "Damaged and not closed");
err= 0x00020186;
}
libdax_msgs_submit(libdax_messenger, d->global_index, err,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
if (trackno <= 0)
d->next_track_damaged |= ((!(data[7] & 1)) << 1) | 1;
{ret = 0; goto ex;}
} else if (!(data[7] & 1)) {
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
strcat(msg, "No Next-Writable-Address");
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020184,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
if (trackno <= 0)
d->next_track_damaged |= 2;
{ret = 0; goto ex;}
}
if (num > 0) {
burn_drive_set_media_capacity_remaining(d,
@ -473,6 +513,7 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
ret = 1;
ex:
BURN_FREE_MEM(buf);
BURN_FREE_MEM(msg);
return ret;
}
@ -4485,6 +4526,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->current_feat23h_byte4 = 0;
d->current_feat23h_byte8 = 0;
d->current_feat2fh_byte4 = -1;
d->next_track_damaged = 0;
d->needs_close_session = 0;
d->needs_sync_cache = 0;
d->bg_format_status = -1;