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Re: [Xen-devel] [PATCH v2 26/29] Ovfm/Xen: add a Vendor Hardware device path GUID for the XenBus root



On 01/26/15 20:03, Ard Biesheuvel wrote:
> On non-PCI Xen guests (such as ARM), the XenBus root is not a PCI
> device but an abstract 'platform' device. Add a dedicated Vendor
> Hardware device path GUID to identify this node.
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
>  OvmfPkg/Include/Guid/XenBusRootDevice.h | 24 ++++++++++++++++++++++++
>  OvmfPkg/OvmfPkg.dec                     |  1 +
>  2 files changed, 25 insertions(+)
> 
> diff --git a/OvmfPkg/Include/Guid/XenBusRootDevice.h 
> b/OvmfPkg/Include/Guid/XenBusRootDevice.h
> new file mode 100644
> index 000000000000..2b6e71018052
> --- /dev/null
> +++ b/OvmfPkg/Include/Guid/XenBusRootDevice.h
> @@ -0,0 +1,24 @@
> +/** @file
> +  GUID to be used to identify the XenBus root node on non-PCI Xen guests
> +
> +  Copyright (C) 2015, Linaro Ltd.
> +
> +  This program and the accompanying materials are licensed and made available
> +  under the terms and conditions of the BSD License that accompanies this
> +  distribution. The full text of the license may be found at
> +  http://opensource.org/licenses/bsd-license.php.
> +
> +  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 
> WITHOUT
> +  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
> +
> +**/
> +
> +#ifndef __XENBUS_ROOT_DEVICE_H__
> +#define __XENBUS_ROOT_DEVICE_H__
> +
> +#define XENBUS_ROOT_DEVICE_GUID \
> +{0xa732241f, 0x383d, 0x4d9c, {0x8a, 0xe1, 0x8e, 0x09, 0x83, 0x75, 0x89, 
> 0xd7}}
> +
> +extern EFI_GUID gXenBusRootDeviceGuid;
> +
> +#endif
> diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
> index 3711fa922311..d61600225919 100644
> --- a/OvmfPkg/OvmfPkg.dec
> +++ b/OvmfPkg/OvmfPkg.dec
> @@ -53,6 +53,7 @@
>    gEfiXenInfoGuid                 = {0xd3b46f3b, 0xd441, 0x1244, {0x9a, 
> 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 0x4d}}
>    gOvmfPlatformConfigGuid         = {0x7235c51c, 0x0c80, 0x4cab, {0x87, 
> 0xac, 0x3b, 0x08, 0x4a, 0x63, 0x04, 0xb1}}
>    gVirtioMmioTransportGuid        = {0x837dca9e, 0xe874, 0x4d82, {0xb2, 
> 0x9a, 0x23, 0xfe, 0x0e, 0x23, 0xd1, 0xe2}}
> +  gXenBusRootDeviceGuid           = {0xa732241f, 0x383d, 0x4d9c, {0x8a, 
> 0xe1, 0x8e, 0x09, 0x83, 0x75, 0x89, 0xd7}}
>  
>  [Protocols]
>    gVirtioDeviceProtocolGuid       = {0xfa920010, 0x6785, 0x4941, {0xb6, 
> 0xec, 0x49, 0x8c, 0x57, 0x9f, 0x16, 0x0a}}
> 

Reviewed-by: Laszlo Ersek <lersek@xxxxxxxxxx>

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