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From: "Kinney, Michael D" <michael.d.kinney@intel.com>
To: TVKR <tresko1@gmail.com>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Subject: Re: OpenProtocolInformation
Date: Tue, 23 Oct 2018 23:12:02 +0000	[thread overview]
Message-ID: <E92EE9817A31E24EB0585FDF735412F5B8B0812F@ORSMSX113.amr.corp.intel.com> (raw)
In-Reply-To: <CAD+hiteHsXWCMvUNrfqS7rUoL3Bh5qwtDLP5rYWpTqo=6y279w@mail.gmail.com>

The same protocol can be installed on many handles in
the handle database.  For example, if there are multiple
mass storage devices in a platform, there will be
multiple Block I/O Protocols in the handle database.

Mike

> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-
> bounces@lists.01.org] On Behalf Of TVKR
> Sent: Tuesday, October 23, 2018 4:06 PM
> To: edk2-devel@lists.01.org
> Subject: [edk2] OpenProtocolInformation
> 
> Hi,
> 
> If the main purpose of the OpenProtocolInformation
> service is to provide
> the complete list of agents currently using a specific
> protocol interface
> then what is the need for providing the Handle argument
> too as an input?
> Why does it matter what Handle was this queried protocol
> installed on?
> 
> Thanks
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel


      reply	other threads:[~2018-10-23 23:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-23 23:06 OpenProtocolInformation TVKR
2018-10-23 23:12 ` Kinney, Michael D [this message]

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