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/openbmc/linux/drivers/scsi/
H A Dsr.hdiff 38582a62ecd337de4212004c7d4844899dc57890 Wed Feb 06 13:01:58 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: fix test unit ready responses

Commit 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 updated sr.c to use
the scsi_test_unit_ready() function. Unfortunately, this has the
wrong characteristic of eating NOT_READY returns which sr.c relies on
for tray status.

Fix by rolling an internal sr_test_unit_ready() that doesn't do this.

Tested-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 Sat Jan 05 10:39:51 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: update to follow tray status correctly

Based on an original patch from: David Martin <tasio@tasio.net>

When trying to get the drive status via ioctl CDROM_DRIVE_STATUS, with
no disk it gives CDS_TRAY_OPEN even if the tray is closed.

ioctl works as expected with ide-cd driver.

Gentoo bug report: http://bugs.gentoo.org/show_bug.cgi?id=196879

Cc: Maarten Bressers <mbres@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
H A Dsr_ioctl.cdiff b8479178901557dc323a69ee254c1c732e85e0e5 Mon Oct 11 11:02:00 CDT 2010 Robert Jennings <rcj@linux.vnet.ibm.com> [SCSI] sr: fix sr_drive_status handling when initialization required

An sr device that reports sense data with SK/ASC/ASCQ of 2/4/2 (Not ready,
Logical unit not ready, Initializing command required) will be handled
in sr_drive_status as (2/4/!1) and assumed to be a 'format in progress'
which returns CDS_DISC_OK. The drive will not be made ready in this case.

Prior to 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 sr_drive_status would
have returned CDS_TRAY_OPEN and this results in an START_STOP_UNIT to
close the tray, which resolves the initialization requirement.

This patch adds handling for SK/ASC/ASCQ of 2/4/2 where it will return
CDS_TRAY_OPEN as a means of triggering a START_STOP_UNIT.

This issue is seen on the IBM POWER platform when using a file-backed,
virtual optical device. The device does not support media queries
through the Get Event Status Notification command which could otherwise
trigger a START_STOP_UNIT call to close an open tray.

Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff 38582a62ecd337de4212004c7d4844899dc57890 Wed Feb 06 13:01:58 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: fix test unit ready responses

Commit 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 updated sr.c to use
the scsi_test_unit_ready() function. Unfortunately, this has the
wrong characteristic of eating NOT_READY returns which sr.c relies on
for tray status.

Fix by rolling an internal sr_test_unit_ready() that doesn't do this.

Tested-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 Sat Jan 05 10:39:51 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: update to follow tray status correctly

Based on an original patch from: David Martin <tasio@tasio.net>

When trying to get the drive status via ioctl CDROM_DRIVE_STATUS, with
no disk it gives CDS_TRAY_OPEN even if the tray is closed.

ioctl works as expected with ide-cd driver.

Gentoo bug report: http://bugs.gentoo.org/show_bug.cgi?id=196879

Cc: Maarten Bressers <mbres@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
H A Dsr.cdiff 38582a62ecd337de4212004c7d4844899dc57890 Wed Feb 06 13:01:58 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: fix test unit ready responses

Commit 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 updated sr.c to use
the scsi_test_unit_ready() function. Unfortunately, this has the
wrong characteristic of eating NOT_READY returns which sr.c relies on
for tray status.

Fix by rolling an internal sr_test_unit_ready() that doesn't do this.

Tested-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff 210ba1d1724f5c4ed87a2ab1a21ca861a915f734 Sat Jan 05 10:39:51 CST 2008 James Bottomley <James.Bottomley@HansenPartnership.com> [SCSI] sr: update to follow tray status correctly

Based on an original patch from: David Martin <tasio@tasio.net>

When trying to get the drive status via ioctl CDROM_DRIVE_STATUS, with
no disk it gives CDS_TRAY_OPEN even if the tray is closed.

ioctl works as expected with ide-cd driver.

Gentoo bug report: http://bugs.gentoo.org/show_bug.cgi?id=196879

Cc: Maarten Bressers <mbres@gentoo.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>