Date: Wed, 14 Jan 2004 21:37:29 -0700 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: Chuck Tuffli <chuck_tuffli@agilent.com>, freebsd-scsi@freebsd.org Subject: Re: target driver question Message-ID: <1782565408.1074141449@aslan.btc.adaptec.com> In-Reply-To: <20040114201854.GB15642@cre85086tuf.rose.agilent.com> References: <20040114201854.GB15642@cre85086tuf.rose.agilent.com>
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> > When this driver receives a CDB, it needs to save away some information > specific to that IO for later use in the CONT_TARGET_IO phase. Can you explain what type of data this is? The two other drivers that perform target mode in FreeBSD do not require any data other than the init_id and tag_id to be "round-tripped" through the target emulator. I would rather not have the target emulator touch *any* of the private data or to see a SIM driver rely on anything other than the standard fields in the CTIO. If this is absolutely necessary, we can add a way to refer to the ATIO from the CTIO since the ATIO lifetime is the lifetime of the SCSI transaction being serviced. -- Justin
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