Tapes have no problematic overlap, but quite a few commands
are missing that are useful when operating tapes with /dev/sg.
This patch adds them.
START STOP UNIT, FORMAT UNIT and SEEK(10) have similar meanings
but different names for tapes, so move them to the tape section
of the whitelist.
Cc: "James E.J. Bottomley" <jbottom...@parallels.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jens Axboe <ax...@kernel.dk>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
block/scsi_ioctl.c | 30 +++++++++++++++++++++++++-----
1 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 8cda426..a9c2caf 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -142,9 +142,9 @@ static void blk_set_cmd_filter_defaults(struct
blk_cmd_filter *filter)
sgio_bitmap_set(0x03, D|T|L|P|W|R|O|M|A|E|B|K|V|F|C|S, read); /*
REQUEST SENSE */
sgio_bitmap_set(0x12, D|T|L|P|W|R|O|M|A|E|B|K|V|F|C|S, read); /*
INQUIRY */
sgio_bitmap_set(0x1A, D|T|L|P|W|R|O|M|A|E|B|K|V|F|C|S, read); /* MODE
SENSE(6) */
- sgio_bitmap_set(0x1B, D|T| W|R|O| A| B|K|V|F , read); /* START
STOP UNIT */
+ sgio_bitmap_set(0x1B, D| W|R|O| A| B|K| F , read); /* START
STOP UNIT */
sgio_bitmap_set(0x1C, D|T|B|O|W|R|O|M|A|E| K|V|F|C|S, read); /*
RECEIVE DIAGNOSTIC RESULTS */
- sgio_bitmap_set(0x2B, D|T| W|R|O| K , read); /*
SEEK(10) */
+ sgio_bitmap_set(0x2B, D| W|R|O| K , read); /*
SEEK(10) */
sgio_bitmap_set(0x3C, D|T|B|O|W|R|O|M|A|E| K|V|F|C|S, read); /* READ
BUFFER */
sgio_bitmap_set(0x4D, D|T|L|P|W|R|O|M|A|E|B|K|V|F|C|S, read); /* LOG
SENSE */
sgio_bitmap_set(0x5A, D|T|L|P|W|R|O|M|A|E|B|K|V|F|C|S, read); /* MODE
SENSE(10) */
@@ -176,8 +176,8 @@ static void blk_set_cmd_filter_defaults(struct
blk_cmd_filter *filter)
/* write */
- sgio_bitmap_set(0x04, D|T|L| R|O , write); /*
FORMAT UNIT */
- sgio_bitmap_set(0x0A, D|T|L| W| O , write); /*
WRITE(6) */
+ sgio_bitmap_set(0x04, D| R|O , write); /*
FORMAT UNIT */
+ sgio_bitmap_set(0x0A, D|T| W| O , write); /*
WRITE(6) */
sgio_bitmap_set(0x2A, D| W|R|O| B|K , write); /*
WRITE(10) */
sgio_bitmap_set(0x2E, D| W|R|O| B|K , write); /* WRITE
AND VERIFY(10) */
sgio_bitmap_set(0x35, D| W|R|O| B|K , write); /*
SYNCHRONIZE CACHE(10) */
@@ -215,7 +215,7 @@ static void blk_set_cmd_filter_defaults(struct
blk_cmd_filter *filter)
sgio_bitmap_set(0x23, R , read); /* READ
FORMAT CAPACITIES */
sgio_bitmap_set(0x42, R , read); /* READ
SUB-CHANNEL */
sgio_bitmap_set(0x43, R , read); /* READ
TOC/PMA/ATIP */
- sgio_bitmap_set(0x44, T| R| V , read); /* READ
HEADER */
+ sgio_bitmap_set(0x44, R , read); /* READ
HEADER */
sgio_bitmap_set(0x45, R , read); /* PLAY
AUDIO(10) */
sgio_bitmap_set(0x46, R , read); /* GET
CONFIGURATION */
sgio_bitmap_set(0x47, R , read); /* PLAY
AUDIO MSF */
@@ -251,7 +251,27 @@ static void blk_set_cmd_filter_defaults(struct
blk_cmd_filter *filter)
/* (mostly) tape */
+ sgio_bitmap_set(0x01, T , read); /*
REWIND */
+ sgio_bitmap_set(0x05, T , read); /* READ
BLOCK LIMITS */
+ sgio_bitmap_set(0x0F, T , read); /* READ
REVERSE(6) */
+ sgio_bitmap_set(0x13, T , read); /*
VERIFY(6) */
+ sgio_bitmap_set(0x1B, T| V , read); /* LOAD
UNLOAD */
+ sgio_bitmap_set(0x2B, T , read); /*
LOCATE(10) */
+ sgio_bitmap_set(0x34, T , read); /* READ
POSITION */
+ sgio_bitmap_set(0x44, T| V , read); /*
REPORT DENSITY SUPPORT */
+ sgio_bitmap_set(0x81, T , read); /* READ
REVERSE(16) */
+ sgio_bitmap_set(0x92, T , read); /*
LOCATE(16) */
+
+ sgio_bitmap_set(0x04, T , write); /*
FORMAT MEDIUM */
+ sgio_bitmap_set(0x0B, T , write); /* SET
CAPACITY */
+ sgio_bitmap_set(0x10, T , write); /* WRITE
FILEMARKS(6) */
+ sgio_bitmap_set(0x11, T , write); /*
SPACE(6) */
+ sgio_bitmap_set(0x14, T|L , write); /*
RECOVER BUFFERED DATA */
sgio_bitmap_set(0x19, T , write); /*
ERASE(6) */
+ sgio_bitmap_set(0x80, T , write); /* WRITE
FILEMARKS(16) */
+ sgio_bitmap_set(0x82, T , write); /* ALLOW
OVERWRITE */
+ sgio_bitmap_set(0x91, T , write); /*
SPACE(16) */
+ sgio_bitmap_set(0x93, T , write); /*
ERASE(16) */
/* communication devices (obsolete) */
--
1.7.1
--
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