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Formatting of BD-R SRM to default size and by index

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This commit is contained in:
Thomas Schmitt 2008-12-10 09:26:09 +00:00
parent eb7e20a02c
commit 22554efe4f
5 changed files with 141 additions and 17 deletions
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2
cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2008.12.09.123558"
#define Cdrskin_timestamP "2008.12.10.092535"

4
libburn/async.c
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@ -412,7 +412,9 @@ void burn_disc_format(struct burn_drive *drive, off_t size, int flag)
} else if (drive->current_profile == 0x41) {
/* >>> BD-R SRM */
/* >>> check whether still unformatted */;
ok= 1;
/* >>> check whether already formatted */;
} else if (drive->current_profile == 0x43) {
ok = 1; /* BD-RE */

147
libburn/mmc.c
View File

@ -203,6 +203,10 @@ static unsigned char MMC_RESERVE_TRACK[] =
static unsigned char MMC_READ_10[] =
{ 0x28, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/* ts A81210 : Determine the upper limit of readable data size */
static unsigned char MMC_READ_CAPACITY[] =
{ 0x25, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static int mmc_function_spy_do_tell = 0;
@ -1463,6 +1467,7 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
char msg[160];
/* ts A70131 : had to move mmc_read_toc() to end of function */
int do_read_toc = 0, session_state, disc_status, len, old_alloc_len;
int ret;
/* ts A61020 */
d->start_lba = d->end_lba = -2000000000;
@ -1473,6 +1478,9 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
d->media_capacity_remaining = 0;
d->media_lba_limit = 0;
/* ts A81210 */
d->media_read_capacity = 0x7fffffff;
/* ts A61202 */
d->toc_entries = 0;
if (d->status == BURN_DISC_EMPTY)
@ -1549,6 +1557,7 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
switch (disc_status) {
case 0:
regard_as_blank:;
d->toc_entries = 0;
d->start_lba = burn_msf_to_lba(data[17], data[18], data[19]);
d->end_lba = burn_msf_to_lba(data[21], data[22], data[23]);
@ -1563,28 +1572,25 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
break;
case 1:
d->status = BURN_DISC_APPENDABLE;
case 2:
if (disc_status == 2)
d->status = BURN_DISC_FULL;
/* ts A81210 */
ret = mmc_read_capacity(d);
/* Freshly formatted, unwritten BD-R pretend to be appendable
but in our model they need to be regarded as blank.
*/
if (d->current_profile == 0x41 && ret > 0 &&
d->status == BURN_DISC_APPENDABLE &&
d->media_read_capacity == 0)
goto regard_as_blank;
do_read_toc = 1;
break;
}
#ifdef NIX
/* <<< on its way out. DVD-R DL are current_is_supported_profile
unconditionally. Writeability is handled above now.
*/
/* ts A80207 : DVD - R DL can normally be read but not be written */
if(d->current_profile == 0x15 && !d->current_is_supported_profile) {
if(d->status == BURN_DISC_APPENDABLE)
d->status = BURN_DISC_FULL;
d->erasable = 0; /* never erasable */
d->current_is_supported_profile = 1;
}
#endif /* NIX */
if ((d->current_profile != 0 || d->status != BURN_DISC_UNREADY)
&& ! d->current_is_supported_profile) {
if (!d->silent_on_scsi_error) {
@ -2773,6 +2779,7 @@ int mmc_read_buffer_capacity(struct burn_drive *d)
bit6= try to avoid lengthy media certification
bit7= bit8 to bit15 contain the index of the format to use
bit8-bit15 = see bit7
bit16= enable POW on blank BD-R
*/
int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
{
@ -3064,6 +3071,81 @@ no_suitable_formatting_type:;
c.opcode[1] |= 0x08;
}
} else if (d->current_profile == 0x41) {
/* BD-R SRM */
index = -1;
format_size = -1;
if (d->num_format_descr <= 0)
goto no_suitable_formatting_type;
if (d->format_descriptors[0].type != 0)
goto no_suitable_formatting_type;
for (i = 0; i < d->num_format_descr; i++) {
format_type = d->format_descriptors[i].type;
i_size = d->format_descriptors[i].size;
if (format_type != 0x00 && format_type != 0x32)
continue;
if (flag & 32) { /* No defect mgt */
/* >>> how to do this ? */
/* <<< */
goto no_suitable_formatting_type;
} else if(size_mode == 2) { /* max payload size */
/* search largest 0x32 format descriptor */
if(format_type != 0x32)
continue;
} else if(size_mode == 3) { /* default payload size */
if (format_type == 0x00) {
index = i;
break;
}
continue;
} else { /* defect managed format with size wish */
/* search for smallest 0x32 >= size */
/* >>> is the size freely adjustable ? */
if(format_type != 0x32)
continue;
if (i_size < size)
continue;
if (format_size >= 0 && i_size >= format_size)
continue;
index = i;
format_size = i_size;
continue;
}
/* common for all cases which search largest
descriptors */
if (i_size > format_size) {
format_size = i_size;
index = i;
}
}
if (size_mode == 2 && index < 0 && !(flag & 32))
index = 0;
if (index < 0)
goto no_suitable_formatting_type;
format_type = d->format_descriptors[index].type;
if (flag & (1 << 16))
format_sub_type = 0; /* SRM + POW */
else
format_sub_type = 1; /* SRM (- POW) */
/* >>> is the size freely adjustable ? */
num_of_blocks = d->format_descriptors[index].size / 2048;
mmc_int_to_four_char(c.page->data + 4, num_of_blocks);
for (i = 0; i < 3; i++)
c.page->data[9 + i] =
( d->format_descriptors[index].tdp >>
(16 - 8 * i)) & 0xff;
sprintf(descr, "%s", d->current_profile_text);
return_immediately = 1; /* caller must do the waiting */
c.page->data[1] |= 0x80; /* FOV = this flag vector is valid */
} else if (d->current_profile == 0x43) {
/* BD-RE */
index = -1;
@ -3108,6 +3190,9 @@ no_suitable_formatting_type:;
continue;
} else { /* defect managed format with size wish */
/* search for smallest 0x30 >= size */
/* >>> is the size freely adjustable ? */
if(format_type != 0x30)
continue;
if (i_size < size)
@ -3136,6 +3221,9 @@ no_suitable_formatting_type:;
else
format_sub_type = 2; /* Full certification */
}
/* >>> is the size freely adjustable ? */
num_of_blocks = d->format_descriptors[index].size / 2048;
mmc_int_to_four_char(c.page->data + 4, num_of_blocks);
for (i = 0; i < 3; i++)
@ -3547,6 +3635,34 @@ int mmc_read_10(struct burn_drive *d, int start,int amount, struct buffer *buf)
}
/* ts A81210 : Determine the upper limit of readable data size */
int mmc_read_capacity(struct burn_drive *d)
{
struct buffer buf;
struct command c;
int alloc_len= 8;
d->media_read_capacity = 0x7fffffff;
if (mmc_function_spy(d, "mmc_read_capacity") <= 0)
return 0;
scsi_init_command(&c, MMC_READ_CAPACITY, sizeof(MMC_READ_CAPACITY));
c.dxfer_len = alloc_len;
c.retry = 1;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
d->media_read_capacity = mmc_four_char_to_int(c.page->data);
if (d->media_read_capacity < 0) {
d->media_read_capacity = 0x7fffffff;
return 0;
}
return 1;
}
/* ts A61021 : the mmc specific part of sg.c:enumerate_common()
*/
int mmc_setup_drive(struct burn_drive *d)
@ -3597,6 +3713,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->last_track_no = 1;
d->media_capacity_remaining = 0;
d->media_lba_limit = 0;
d->media_read_capacity = 0x7fffffff;
d->pessimistic_buffer_free = 0;
d->pbf_altered = 0;
d->wait_for_buffer_free = Libburn_wait_for_buffer_freE;

2
libburn/mmc.h
View File

@ -72,6 +72,8 @@ int mmc_compose_mode_page_5(struct burn_drive *d,
int mmc_read_10(struct burn_drive *d, int start, int amount,
struct buffer *buf);
/* ts A81210 : Determine the upper limit of readable data size */
int mmc_read_capacity(struct burn_drive *d);
/* mmc5r03c.pdf 4.3.4.4.1 d) "The maximum number of RZones is 2 302." */

3
libburn/transport.h
View File

@ -235,6 +235,9 @@ struct burn_drive
/* ts A70215 : if > 0 : first lba on media that is too high for write*/
int media_lba_limit;
/* ts A81210 : Upper limit of readable data size,
0x7fffffff = unknown */
int media_read_capacity;
int toc_temp;
struct burn_disc *disc; /* disc structure */