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Re: Interface for SCSI transactions ?

From: olafBuddenhagen
Subject: Re: Interface for SCSI transactions ?
Date: Tue, 6 Sep 2011 01:28:13 +0200
User-agent: Mutt/1.5.21 (2010-09-15)


On Tue, Sep 06, 2011 at 12:33:00AM +0200, Samuel Thibault wrote:

> However, I realize that the status parameter of the device_get_status
> RPC is out only, not inout, so device_get_status alone can not provide
> complete support. One way would be to use a set/get pair.

Well, if we need to go for a multi-RPC approach, I'd suggest doing it
*properly*, i.e. using get_status/set_status only for actual control
information, and pass the data with read/write calls.

> Another way would be to define a new device_command RPC, and extend
> the device_emulation_ops structure with it.

This indeed might be a more pragmatic approach...


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