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Dec 2023 11:29:18 +0000 From: "Sivaraman Nainar via groups.io" To: "devel@edk2.groups.io" , "Clark-williams, Zachary" , Saloni Kasbekar CC: Natalya Kalistratova , Dhanaraj V , Santhosh Kumar V , =?iso-2022-jp?B?R2VuZ1lvdSBaaG91ICgbJEI8fjkuTSQbKEIp?= Subject: [edk2-devel] reg: Clarification on LoadFile2 Protocol Installation for Network Boot Devices Thread-Topic: Clarification on LoadFile2 Protocol Installation for Network Boot Devices Thread-Index: AQHaL0nwlX1TCNDXtUGv2lauB4QO4A== Date: Fri, 15 Dec 2023 11:29:18 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BN0PR10MB4981:EE_|LV8PR10MB7992:EE_ x-ms-office365-filtering-correlation-id: d8fe39b2-4803-45d8-a8b2-08dbfd611361 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam-message-info: 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X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 27e97857-e15f-486c-b58e-86c2b3040f93 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: qrKfrDXQ1qP5777BYmKrsQpRylpJCKsTm3vJuszPdV9Cx9ootKiSkYcD912C2Y8eV3konq4N4oUenA5W+HrJrQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR10MB7992 Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,sivaramann@ami.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: etul8eo0OJKxwR747QRNHMk9x7686176AA= Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_BN0PR10MB498143DD2635E546DC88AF38C293ABN0PR10MB4981namp_" X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=DqCoCmnD; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}"); dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io --_000_BN0PR10MB498143DD2635E546DC88AF38C293ABN0PR10MB4981namp_ Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable Hello ZClarkWilliams: Could you please help to clarify if NetworkStack MUST install the LoadFile2= Protocol or not. With reference to the below spec item, the LoadFile2 prot= ocol must be implemented. In one of the BIOS environment, the Setup Browser Locates the LoadFile2 ins= tance of Network Boot Device and it not found as it not installed by the cu= rrent NetworkPkg. Can you please comment if there is any reason behind not installing during = the HTTP Boot. =1B$B!H=1B(BUEFI SPEC 2.6.3 Driver-Specific Elements There are a number of UEFI elements that can= be added or removed depending on the features that a specific driver requi= res. Drivers can be implemented by platform firmware developers to support = buses and devices in a specific platform. Drivers can also be implemented b= y add-in card vendors for devices that might be integrated into the platfor= m hardware or added to a platform through an expansion slot. The following = list includes possible driver features, and the UEFI elements that are requ= ired for each feature type: 1. If a driver is written for a boot device that is not a block-oriented= device, a file system-based device, or a console device, then the EFI_LOAD= _FILE2_PROTOCOL must be implemented. =1B$B!H=1B(B Thanks Siva -The information contained in this message may be confidential and propriet= ary to American Megatrends (AMI). This communication is intended to be read= only by the individual or entity to whom it is addressed or by their desig= nee. If the reader of this message is not the intended recipient, you are o= n notice that any distribution of this message, in any form, is strictly pr= ohibited. Please promptly notify the sender by reply e-mail or by telephone= at 770-246-8600, and then delete or destroy all copies of the transmission= . -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#112601): https://edk2.groups.io/g/devel/message/112601 Mute This Topic: https://groups.io/mt/103188580/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- --_000_BN0PR10MB498143DD2635E546DC88AF38C293ABN0PR10MB4981namp_ Content-Type: text/html; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable

Hello ZClarkWilliams:

 

Could you please help to clarify if NetworkStack MUS= T install the LoadFile2 Protocol or not. With reference to the below spec i= tem, the LoadFile2 protocol must be implemented.

 

In one of the BIOS environment, the Setup Browser Lo= cates the LoadFile2 instance of Network Boot Device and it not found as it = not installed by the current NetworkPkg.

 

Can you please comment if there is any reason behind= not installing during the HTTP Boot.

=1B$B!H=1B(= BUEFI SPEC

2.6.3 Driver-S= pecific Elements There are a number of UEFI elements that can be added or r= emoved depending on the features that a specific driver requires. Drivers can be implemented by platform firmwar= e developers to support buses and devices in a specific platform. Drivers c= an also be implemented by add-in card vendors for devices that might be int= egrated into the platform hardware or added to a platform through an expansion slot. The following list inclu= des possible driver features, and the UEFI elements that are required for e= ach feature type:

  1. If a driver is written = for a boot device that is not a block-oriented device, a file system-based = device, or a console device, then the EFI_LOAD_FILE2_PROTOCOL must be imple= mented.

=1B$B!H=1B(B

 

Thanks

Siva

-The information contained in this message may be confidential and propriet= ary to American Megatrends (AMI). This communication is intended to be read= only by the individual or entity to whom it is addressed or by their desig= nee. If the reader of this message is not the intended recipient, you are on notice that any distribution of = this message, in any form, is strictly prohibited. Please promptly notify t= he sender by reply e-mail or by telephone at 770-246-8600, and then delete = or destroy all copies of the transmission.
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