From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pete Zaitcev Subject: Re: [usb-storage] [Merging ATA passthru] on integrating SMART/ATA-Security in usb-storage driver Date: Fri, 4 Nov 2005 15:46:13 -0800 Message-ID: <20051104154613.189d5f43.zaitcev@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-ide-owner@vger.kernel.org To: Timothy Thelin Cc: mdharm-scsi@one-eyed-alien.net, James.Bottomley@SteelEye.com, usb-storage@lists.one-eyed-alien.net, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, zaitcev@redhat.com List-Id: linux-scsi@vger.kernel.org On Fri, 4 Nov 2005 10:30:44 -0800, "Timothy Thelin" wrote: > The problem then is with vendor specific commands as SCSI core > mangles those as well. The vendor specific command I had issues > with is the "ATACB" ATA passthru cdb that cypress boards understand. > CDB[1] is a signature byte that must be 0x24. Needless to say, > that leading 2 gets masked off to a 0, and the drive aborts the > ATACB. Now cypress could have been smarter about designing their > cdb, but they wern't, and so there really needs to be a way to tell > SCSI core "hands off the cdb". If this issue is real, you can use ub with that device for now. -- Pete