Make the next_writeable address specific for each drive, there might
be more than one burner online.
This commit is contained in:
Søren Schmidt
parent
4a39e809a4
commit
8de3e08bf8
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.c,v 1.1 1998/09/08 20:57:47 sos Exp $
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* $Id: atapi-cd.c,v 1.2 1998/10/08 06:41:44 sos Exp $
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*/
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#include "wdc.h"
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@ -83,7 +83,6 @@ static struct cdevsw acd_cdevsw = {
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static struct acd *acdtab[NUNIT];
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static int acdnlun = 0; /* Number of configured drives */
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static u_int next_writeable_lba = 0;
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#ifndef ATAPI_STATIC
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static
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@ -405,7 +404,7 @@ acdopen(dev_t dev, int flags, int fmt, struct proc *p)
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}
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} else {
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/* read only */
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if (acd_read_toc(cdp) < 0) {
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if (acd_read_toc(cdp) != 0) {
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printf("acd%d: read_toc failed\n", lun);
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/* return EIO; */
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}
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@ -536,7 +535,7 @@ acd_start(struct acd *cdp)
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lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE);
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#endif
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else
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lba = next_writeable_lba + (bp->b_offset / cdp->block_size);
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lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size);
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blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size;
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if ((bp->b_flags & B_READ) == B_WRITE) {
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@ -1004,7 +1003,7 @@ acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
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break;
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if (!track_info.nwa_valid)
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return EINVAL;
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next_writeable_lba = track_info.next_writeable_addr;
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cdp->next_writeable_lba = track_info.next_writeable_addr;
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*(int*)addr = track_info.next_writeable_addr;
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}
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break;
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@ -1274,7 +1273,7 @@ acd_rezero_unit(struct acd *cdp)
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static int
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acd_open_disk(struct acd *cdp, int test)
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{
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next_writeable_lba = 0;
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cdp->next_writeable_lba = 0;
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return 0;
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}
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.h,v 1.2 1998/09/02 08:47:31 sos Exp sos $
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* $Id: atapi-cd.h,v 1.1 1998/09/08 20:57:47 sos Exp $
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*/
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/*
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@ -343,8 +343,8 @@ struct acd {
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u_int block_size; /* Blocksize currently used */
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u_char dummy; /* Use dummy writes */
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u_char speed; /* Select drive speed */
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u_int next_writeable_lba; /* Next writable position */
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struct wormio_prepare_track preptrack; /* Scratch region */
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#ifdef DEVFS
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void *ra_devfs_token;
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void *rc_devfs_token;
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.c,v 1.1 1998/09/08 20:57:47 sos Exp $
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* $Id: atapi-cd.c,v 1.2 1998/10/08 06:41:44 sos Exp $
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*/
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#include "wdc.h"
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@ -83,7 +83,6 @@ static struct cdevsw acd_cdevsw = {
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static struct acd *acdtab[NUNIT];
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static int acdnlun = 0; /* Number of configured drives */
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static u_int next_writeable_lba = 0;
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#ifndef ATAPI_STATIC
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static
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@ -405,7 +404,7 @@ acdopen(dev_t dev, int flags, int fmt, struct proc *p)
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}
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} else {
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/* read only */
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if (acd_read_toc(cdp) < 0) {
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if (acd_read_toc(cdp) != 0) {
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printf("acd%d: read_toc failed\n", lun);
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/* return EIO; */
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}
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@ -536,7 +535,7 @@ acd_start(struct acd *cdp)
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lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE);
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#endif
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else
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lba = next_writeable_lba + (bp->b_offset / cdp->block_size);
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lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size);
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blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size;
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if ((bp->b_flags & B_READ) == B_WRITE) {
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@ -1004,7 +1003,7 @@ acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
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break;
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if (!track_info.nwa_valid)
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return EINVAL;
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next_writeable_lba = track_info.next_writeable_addr;
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cdp->next_writeable_lba = track_info.next_writeable_addr;
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*(int*)addr = track_info.next_writeable_addr;
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}
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break;
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@ -1274,7 +1273,7 @@ acd_rezero_unit(struct acd *cdp)
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static int
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acd_open_disk(struct acd *cdp, int test)
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{
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next_writeable_lba = 0;
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cdp->next_writeable_lba = 0;
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return 0;
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}
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.h,v 1.2 1998/09/02 08:47:31 sos Exp sos $
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* $Id: atapi-cd.h,v 1.1 1998/09/08 20:57:47 sos Exp $
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*/
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/*
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@ -343,8 +343,8 @@ struct acd {
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u_int block_size; /* Blocksize currently used */
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u_char dummy; /* Use dummy writes */
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u_char speed; /* Select drive speed */
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u_int next_writeable_lba; /* Next writable position */
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struct wormio_prepare_track preptrack; /* Scratch region */
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#ifdef DEVFS
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void *ra_devfs_token;
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void *rc_devfs_token;
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@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.c,v 1.1 1998/09/08 20:57:47 sos Exp $
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* $Id: atapi-cd.c,v 1.2 1998/10/08 06:41:44 sos Exp $
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*/
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#include "wdc.h"
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@ -83,7 +83,6 @@ static struct cdevsw acd_cdevsw = {
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static struct acd *acdtab[NUNIT];
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static int acdnlun = 0; /* Number of configured drives */
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static u_int next_writeable_lba = 0;
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#ifndef ATAPI_STATIC
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static
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@ -405,7 +404,7 @@ acdopen(dev_t dev, int flags, int fmt, struct proc *p)
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}
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} else {
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/* read only */
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if (acd_read_toc(cdp) < 0) {
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if (acd_read_toc(cdp) != 0) {
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printf("acd%d: read_toc failed\n", lun);
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/* return EIO; */
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}
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@ -536,7 +535,7 @@ acd_start(struct acd *cdp)
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lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE);
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#endif
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else
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lba = next_writeable_lba + (bp->b_offset / cdp->block_size);
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lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size);
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blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size;
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if ((bp->b_flags & B_READ) == B_WRITE) {
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@ -1004,7 +1003,7 @@ acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
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break;
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if (!track_info.nwa_valid)
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return EINVAL;
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next_writeable_lba = track_info.next_writeable_addr;
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cdp->next_writeable_lba = track_info.next_writeable_addr;
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*(int*)addr = track_info.next_writeable_addr;
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}
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break;
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@ -1274,7 +1273,7 @@ acd_rezero_unit(struct acd *cdp)
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static int
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acd_open_disk(struct acd *cdp, int test)
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{
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next_writeable_lba = 0;
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cdp->next_writeable_lba = 0;
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return 0;
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}
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