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path: root/drivers/scsi/sr_ioctl.c
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Diffstat (limited to 'drivers/scsi/sr_ioctl.c')
-rw-r--r--drivers/scsi/sr_ioctl.c48
1 files changed, 34 insertions, 14 deletions
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index e1589f9..d5cebff 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -275,18 +275,6 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
/* ---------------------------------------------------------------------- */
/* interface to cdrom.c */
-static int test_unit_ready(Scsi_CD *cd)
-{
- struct packet_command cgc;
-
- memset(&cgc, 0, sizeof(struct packet_command));
- cgc.cmd[0] = GPCMD_TEST_UNIT_READY;
- cgc.quiet = 1;
- cgc.data_direction = DMA_NONE;
- cgc.timeout = IOCTL_TIMEOUT;
- return sr_do_ioctl(cd, &cgc);
-}
-
int sr_tray_move(struct cdrom_device_info *cdi, int pos)
{
Scsi_CD *cd = cdi->handle;
@@ -310,14 +298,46 @@ int sr_lock_door(struct cdrom_device_info *cdi, int lock)
int sr_drive_status(struct cdrom_device_info *cdi, int slot)
{
+ struct scsi_cd *cd = cdi->handle;
+ struct scsi_sense_hdr sshdr;
+ struct media_event_desc med;
+
if (CDSL_CURRENT != slot) {
/* we have no changer support */
return -EINVAL;
}
- if (0 == test_unit_ready(cdi->handle))
+ if (0 == scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES,
+ &sshdr))
return CDS_DISC_OK;
- return CDS_TRAY_OPEN;
+ if (!cdrom_get_media_event(cdi, &med)) {
+ if (med.media_present)
+ return CDS_DISC_OK;
+ else if (med.door_open)
+ return CDS_TRAY_OPEN;
+ else
+ return CDS_NO_DISC;
+ }
+
+ /*
+ * 0x04 is format in progress .. but there must be a disc present!
+ */
+ if (sshdr.sense_key == NOT_READY && sshdr.asc == 0x04)
+ return CDS_DISC_OK;
+
+ /*
+ * If not using Mt Fuji extended media tray reports,
+ * just return TRAY_OPEN since ATAPI doesn't provide
+ * any other way to detect this...
+ */
+ if (scsi_sense_valid(&sshdr) &&
+ /* 0x3a is medium not present */
+ sshdr.asc == 0x3a)
+ return CDS_NO_DISC;
+ else
+ return CDS_TRAY_OPEN;
+
+ return CDS_DRIVE_NOT_READY;
}
int sr_disk_status(struct cdrom_device_info *cdi)
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