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scsi_inquiry: refactor and code cleanup

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2021-11-03 16:19:10 +01:00
parent 8eb73377c1
commit f606d5bd6f
1 changed files with 6 additions and 7 deletions
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13
PVE/QemuServer.pm
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@ -1384,9 +1384,9 @@ sub scsi_inquiry {
# see /usr/include/scsi/sg.h
my $sg_io_hdr_t = "i i C C s I P P P I I i P C C C C S S i I I";
my $packet = pack($sg_io_hdr_t, ord('S'), -3, length($cmd),
length($sensebuf), 0, length($buf), $buf,
$cmd, $sensebuf, 6000);
my $packet = pack(
$sg_io_hdr_t, ord('S'), -3, length($cmd), length($sensebuf), 0, length($buf), $buf, $cmd, $sensebuf, 6000
);
$ret = ioctl($fh, $SG_IO, $packet);
if (!$ret) {
@ -1401,11 +1401,10 @@ sub scsi_inquiry {
}
my $res = {};
(my $byte0, my $byte1, $res->{vendor},
$res->{product}, $res->{revision}) = unpack("C C x6 A8 A16 A4", $buf);
$res->@{qw(type removable vendor product revision)} = unpack("C C x6 A8 A16 A4", $buf);
$res->{removable} = $byte1 & 128 ? 1 : 0;
$res->{type} = $byte0 & 31;
$res->{removable} = $res->{removable} & 128 ? 1 : 0;
$res->{type} &= 0x1F;
return $res;
}