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New API function burn_read_data()

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This commit is contained in:
Thomas Schmitt
2007-08-12 15:25:56 +00:00
parent 12b6a07e9f
commit d21697b289
8 changed files with 161 additions and 4 deletions
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44
libburn/mmc.c
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@ -165,6 +165,10 @@ static unsigned char MMC_READ_FORMAT_CAPACITIES[] =
static unsigned char MMC_RESERVE_TRACK[] =
{ 0x53, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/* ts A70812 : Read data sectors (for types with 2048 bytes/sector only) */
static unsigned char MMC_READ_10[] =
{ 0x28, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static int mmc_function_spy_do_tell = 0;
@ -2793,6 +2797,45 @@ int mmc_compose_mode_page_5(struct burn_drive *d,
}
/* A70812 ts */
int mmc_read_10(struct burn_drive *d, int start,int amount, struct buffer *buf)
{
struct command c;
mmc_function_spy("mmc_read_10");
if (amount > BUFFER_SIZE / 2048)
return -1;
scsi_init_command(&c, MMC_READ_10, sizeof(MMC_READ_10));
c.dxfer_len = amount * 2048;
c.retry = 1;
mmc_int_to_four_char(c.opcode + 2, start);
c.opcode[7] = (amount >> 8) & 0xFF;
c.opcode[8] = amount & 0xFF;
c.page = buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
if (c.error) {
char msg[160];
printf(msg,
"SCSI error on read_10(%d,%d): key=%X asc=%2.2Xh ascq=%2.2Xh",
start, amount,
c.sense[2],c.sense[12],c.sense[13]);
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020144,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
return BE_CANCELLED;
}
buf->sectors = amount;
buf->bytes = amount * 2048;
return 0;
}
/* ts A61021 : the mmc specific part of sg.c:enumerate_common()
*/
int mmc_setup_drive(struct burn_drive *d)
@ -2815,6 +2858,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->read_buffer_capacity = mmc_read_buffer_capacity;
d->format_unit = mmc_format_unit;
d->read_format_capacities = mmc_read_format_capacities;
d->read_10 = mmc_read_10;
/* ts A70302 */