From: Paolo Bonzini <pbonzini@redhat.com>
To: Cong Meng <mc@linux.vnet.ibm.com>
Cc: zwanp@cn.ibm.com, linuxram@us.ibm.com,
stefanha@linux.vnet.ibm.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] add suport for ATA_PASSTHROUGH_xx scsi command
Date: Wed, 01 Aug 2012 10:45:52 +0200 [thread overview]
Message-ID: <5018ECC0.2090802@redhat.com> (raw)
In-Reply-To: <5018EC3C.5070005@linux.vnet.ibm.com>
Il 01/08/2012 10:43, Cong Meng ha scritto:
>>
>> Please make this conditional on the type _not_ being TYPE_ROM.
>
> May I ask why cdrom device should be an exception?
Because CD-ROM devices do not support ATA PASSTHROUGH (the SAT standard
only describes direct access devices---type=0x00). The 0xa1 command is
"BLANK" for CD-ROMs.
Paolo
next prev parent reply other threads:[~2012-08-01 8:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 7:53 [Qemu-devel] [PATCH] add suport for ATA_PASSTHROUGH_xx scsi command Cong Meng
2012-08-01 8:20 ` Paolo Bonzini
2012-08-01 8:43 ` Cong Meng
2012-08-01 8:45 ` Paolo Bonzini [this message]
2012-08-01 8:49 ` ronnie sahlberg
2012-08-01 8:55 ` Cong Meng
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