Re: [PATCH v3] MdeModulePkg: Add Platform Boot Options Protocol

["Ni, Ray" <ray.ni@intel.com>]

I am ok with adding EDKII_PLATFORM_BOOT_MANAGER_PROTOCOL.

> -----Original Message-----
> From: Ashish Singhal <ashishsingha@nvidia.com>
> Sent: Wednesday, December 18, 2019 12:22 PM
> To: Ni, Ray <ray.ni@intel.com>; devel@edk2.groups.io; Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A
> <hao.a.wu@intel.com>; Gao, Zhichao <zhichao.gao@intel.com>
> Subject: RE: [PATCH v3] MdeModulePkg: Add Platform Boot Options Protocol
> 
> Ray,
> 
> I did not name the protocol this way because EmbeddedPkg already describes a protocol with a similar name that is
> PLATFORM_BOOT_MANAGER_PROTOCOL. If you think we can still go ahead with new protocol named
> EDKII_PLATFORM_BOOT_MANAGER_PROTOCOL, I can make the necessary changes.
> 
> I agree with your suggestion about unifying both functions into a single one as well.
> 
> Thanks
> Ashish
> 
> -----Original Message-----
> From: Ni, Ray <ray.ni@intel.com>
> Sent: Tuesday, December 17, 2019 5:55 PM
> To: Ashish Singhal <ashishsingha@nvidia.com>; devel@edk2.groups.io; Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A
> <hao.a.wu@intel.com>; Gao, Zhichao <zhichao.gao@intel.com>
> Subject: RE: [PATCH v3] MdeModulePkg: Add Platform Boot Options Protocol
> 
> External email: Use caution opening links or attachments
> 
> 
> Ashish,
> I prefer EDKII_PLATFORM_BOOT_MANAGER_PROTOCOL and could have two fields for this protocol for now:
> Revision and RefreshAllBootOption (IN Options, IN OptionCount, OUT UpdatedOptions, OUT UpdatedOptionCount)
> Usually EDKII puts Count in second and buffer in first.
> 
> The reason of using EDKII_PLATFORM_BOOT_MANAGER_PROTOCOL as the new protocol name is in future we could
> increase the revision and put more platform hook API in this protocol.
> 
> The reason of combining two APIs to one RefreshAllBootOption() is when I checked the code change below, I see no need
> to separate them.
> 
> What do you think?
> 
> Thanks,
> Ray
> 
> >    //
> > +  // Locate Platform Boot Options Protocol  //  PlatformBootOptions =
> > + NULL;  Status = gBS->LocateProtocol
> > + (&gEdkiiPlatformBootOptionsProtocolGuid,
> > +                                NULL,
> > +                                (VOID **)&PlatformBootOptions);  if
> > + (!EFI_ERROR (Status)) {
> > +    //
> > +    // If found, call platform specific overrides to auto enumerated
> > +    // boot options.
> > +    //
> > +    Status = PlatformBootOptions->OverridePlatformBootOptions ((CONST UINTN)BootOptionCount,
> > +                                                               (CONST EFI_BOOT_MANAGER_LOAD_OPTION *)BootOptions,
> > +                                                               &UpdatedBootOptionCount,
> > +                                                               &UpdatedBootOptions);
> > +    if (!EFI_ERROR (Status)) {
> > +      EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
> > +      BootOptions = UpdatedBootOptions;
> > +      BootOptionCount = UpdatedBootOptionCount;
> > +    }
> > +
> > +    //
> > +    // Call platform specific override to remove invalid boot options from NV
> > +    //
> > +    Status = PlatformBootOptions->RemoveInvalidPlatformNvBootOptions ((CONST UINTN)NvBootOptionCount,
> > +                                                                      (CONST EFI_BOOT_MANAGER_LOAD_OPTION *)NvBootOptions,
> > +                                                                      &UpdatedBootOptionCount,
> > +                                                                      &UpdatedBootOptions);
> > +    if (!EFI_ERROR (Status)) {
> > +      EfiBootManagerFreeLoadOptions (NvBootOptions, NvBootOptionCount);
> > +      NvBootOptions = UpdatedBootOptions;
> > +      NvBootOptionCount = UpdatedBootOptionCount;
> > +    }
> > +  }
> > +
> 
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