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libburn/libburn/sbc.c

76 lines
1.6 KiB

/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* scsi block commands */
#include <string.h>
#include <unistd.h>
#include "transport.h"
#include "sbc.h"
#include "spc.h"
#include "options.h"
/* spc command set */
static unsigned char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
static unsigned char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
static unsigned char SBC_START_UNIT[] = { 0x1b, 0, 0, 0, 1, 0 };
void sbc_load(struct burn_drive *d)
{
struct command c;
scsi_init_command(&c, SBC_LOAD, sizeof(SBC_LOAD));
/*
memcpy(c.opcode, SBC_LOAD, sizeof(SBC_LOAD));
c.oplen = sizeof(SBC_LOAD);
c.page = NULL;
*/
c.retry = 1;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
spc_wait_unit_attention(d, 60);
}
void sbc_eject(struct burn_drive *d)
{
struct command c;
scsi_init_command(&c, SBC_UNLOAD, sizeof(SBC_UNLOAD));
/*
memcpy(c.opcode, SBC_UNLOAD, sizeof(SBC_UNLOAD));
c.oplen = sizeof(SBC_UNLOAD);
c.page = NULL;
*/
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
/* ts A61118 : is it necessary to tell the drive to get ready for use ? */
int sbc_start_unit(struct burn_drive *d)
{
struct command c;
scsi_init_command(&c, SBC_START_UNIT, sizeof(SBC_START_UNIT));
/*
memcpy(c.opcode, SBC_START_UNIT, sizeof(SBC_START_UNIT));
c.oplen = sizeof(SBC_START_UNIT);
c.page = NULL;
*/
c.retry = 1;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
return (c.error==0);
}
/* ts A61021 : the sbc specific part of sg.c:enumerate_common()
*/
int sbc_setup_drive(struct burn_drive *d)
{
d->eject = sbc_eject;
d->load = sbc_load;
d->start_unit = sbc_start_unit;
return 1;
}