linux-kernel - [PATCH v2 06/14] sg_io: whitelist another command for multimedia devices

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Message-Id: <1360163761-8541-7-git-send-email-pbonzini@redhat.com>
Date:	Wed,  6 Feb 2013 16:15:53 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Tejun Heo <tj@...nel.org>,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Subject: [PATCH v2 06/14] sg_io: whitelist another command for multimedia devices

Three MMC commands were never included: PLAY AUDIO(12), SERVICE ACTION
IN(12), MECHANISM STATUS.  Add MECHANISM STATUS, the only one that has
not been obsoleted in recent versions of the standard.

Cc: "James E.J. Bottomley" <JBottomley@...allels.com>
Cc: linux-scsi@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
	v1->v2: leave out PLAY AUDIO(12), SERVICE ACTION IN(12)

 block/scsi_ioctl.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index e71cd42..fa2a1fc 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -221,6 +221,7 @@ static void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
 	sgio_bitmap_set(0xB9,           R                    , read);  /* READ CD MSF */
 	sgio_bitmap_set(0xBA,           R                    , read);  /* SCAN */
 	sgio_bitmap_set(0xBC,           R                    , read);  /* PLAY CD */
+	sgio_bitmap_set(0xBD,           R                    , read);  /* MECHANISM STATUS */
 	sgio_bitmap_set(0xBE,           R                    , read);  /* READ CD */
 
 	sgio_bitmap_set(0x53, D|        R                    , write); /* RESERVE TRACK / XDWRITEREAD(10) */
-- 
1.7.1


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