[edk2-devel] question about EDKII_IOMMU_PROTOCOL

[Tiger Liu(BJ-RD)]

Hi, Laszlo:
Got it.

Thanks

-----邮件原件-----
发件人: Laszlo Ersek <lersek at redhat.com>
发送时间: 2020年8月26日 18:35
收件人: devel at edk2.groups.io; Tiger Liu(BJ-RD) <TigerLiu at zhaoxin.com>
主题: Re: [edk2-devel] question about EDKII_IOMMU_PROTOCOL

On 08/25/20 09:39, Tiger Liu(BJ-RD) wrote:
> Hi, Experts:
> I find EDKII_IOMMU_PROTOCOL definition in MdeModulePkg\Include\Protocol\IoMmu.h .
>
> But I didn't find its define in UEFI Spec or PI Spec.
> So, is it a private protocol definition?

Yes -- that's why the protocol name starts with the "EDKII_" prefix, and why the header file is under MdeModulePkg and not MdePkg.

It's an "implementation detail" in edk2.

Thanks,
Laszlo



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