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From: "Wu, Hao A" <hao.a.wu@intel.com>
To: "Ni, Ruiyu" <ruiyu.ni@intel.com>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: Re: [PATCH] MdeModulePkg/NonDiscoverable: Compare SIZE_4GB with address type
Date: Wed, 11 Jan 2017 02:08:49 +0000	[thread overview]
Message-ID: <B80AF82E9BFB8E4FBD8C89DA810C6A0931C6AA3F@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <734D49CCEBEEF84792F5B80ED585239D5B87AE3E@SHSMSX104.ccr.corp.intel.com>

Got it, I will update the codes before check in. Thanks for the feedback.

Best Regards,
Hao Wu


> -----Original Message-----
> From: Ni, Ruiyu
> Sent: Wednesday, January 11, 2017 10:05 AM
> To: Wu, Hao A; edk2-devel@lists.01.org
> Cc: Wu, Hao A; Ard Biesheuvel
> Subject: RE: [edk2] [PATCH] MdeModulePkg/NonDiscoverable: Compare
> SIZE_4GB with address type
> 
> One minor comments: put one space after (EFI_PHYSICAL_ADDRESS) and
> (UINTN) as below.
> > +            (EFI_PHYSICAL_ADDRESS) (UINTN) HostAddress + *NumberOfBytes >
> SIZE_4GB
> 
> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
> 
> 
> > -----Original Message-----
> > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of
> > Hao Wu
> > Sent: Wednesday, January 11, 2017 10:01 AM
> > To: edk2-devel@lists.01.org
> > Cc: Wu, Hao A <hao.a.wu@intel.com>; Ni, Ruiyu <ruiyu.ni@intel.com>; Ard
> > Biesheuvel <ard.biesheuvel@linaro.org>
> > Subject: [edk2] [PATCH] MdeModulePkg/NonDiscoverable: Compare
> > SIZE_4GB with address type
> >
> > Refine the codes to compare the definition 'SIZE_4GB' with type
> > EFI_PHYSICAL_ADDRESS.
> >
> > Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> > Cc: Ruiyu Ni <ruiyu.ni@intel.com>
> > Contributed-under: TianoCore Contribution Agreement 1.0
> > Signed-off-by: Hao Wu <hao.a.wu@intel.com>
> > ---
> >  .../Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverablePciDeviceIo.c  |
> > 4 ++--
> >  .../NonDiscoverableDeviceRegistrationLib.c                            | 2 +-
> >  2 files changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git
> > a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> > PciDeviceIo.c
> > b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> > PciDeviceIo.c
> > index b07c129..c836ad6 100644
> > ---
> > a/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> > PciDeviceIo.c
> > +++
> > b/MdeModulePkg/Bus/Pci/NonDiscoverablePciDeviceDxe/NonDiscoverable
> > Pc
> > +++ iDeviceIo.c
> > @@ -598,7 +598,7 @@ CoherentPciIoMap (
> >    //
> >    Dev = NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(This);
> >    if ((Dev->Attributes & EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE) ==
> > 0 &&
> > -      (UINTN)HostAddress + *NumberOfBytes > SIZE_4GB) {
> > +      (EFI_PHYSICAL_ADDRESS)(UINTN)HostAddress + *NumberOfBytes >
> > + SIZE_4GB) {
> >
> >      //
> >      // Bounce buffering is not possible for consistent mappings @@ -1006,7
> > +1006,7 @@ NonCoherentPciIoMap (
> >    // a bounce buffer and copy over the data in case HostAddress >= 4 GB.
> >    //
> >    Bounce = ((Dev->Attributes &
> > EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE) == 0 &&
> > -            (UINTN)HostAddress + *NumberOfBytes > SIZE_4GB);
> > +            (EFI_PHYSICAL_ADDRESS)(UINTN)HostAddress + *NumberOfBytes >
> > + SIZE_4GB);
> >
> >    if (!Bounce) {
> >      switch (Operation) {
> > diff --git
> > a/MdeModulePkg/Library/NonDiscoverableDeviceRegistrationLib/NonDisco
> > verableDeviceRegistrationLib.c
> > b/MdeModulePkg/Library/NonDiscoverableDeviceRegistrationLib/NonDisco
> > verableDeviceRegistrationLib.c
> > index 6f46dfa..4180b0a 100644
> > ---
> > a/MdeModulePkg/Library/NonDiscoverableDeviceRegistrationLib/NonDisco
> > verableDeviceRegistrationLib.c
> > +++
> > b/MdeModulePkg/Library/NonDiscoverableDeviceRegistrationLib/NonDisco
> > +++ verableDeviceRegistrationLib.c
> > @@ -163,7 +163,7 @@ RegisterNonDiscoverableMmioDevice (
> >      Desc->AddrLen               = Size;
> >      Desc->AddrRangeMax          = Base + Size - 1;
> >      Desc->ResType               = ACPI_ADDRESS_SPACE_TYPE_MEM;
> > -    Desc->AddrSpaceGranularity  = (Base + Size > SIZE_4GB) ? 64 : 32;
> > +    Desc->AddrSpaceGranularity  = ((EFI_PHYSICAL_ADDRESS) Base + Size >
> > + SIZE_4GB) ? 64 : 32;
> >      Desc->AddrTranslationOffset = 0;
> >    }
> >    VA_END (Args);
> > --
> > 1.9.5.msysgit.0
> >
> > _______________________________________________
> > edk2-devel mailing list
> > edk2-devel@lists.01.org
> > https://lists.01.org/mailman/listinfo/edk2-devel


  reply	other threads:[~2017-01-11  2:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-11  2:01 [PATCH] MdeModulePkg/NonDiscoverable: Compare SIZE_4GB with address type Hao Wu
2017-01-11  2:05 ` Ni, Ruiyu
2017-01-11  2:08   ` Wu, Hao A [this message]
2017-01-11  7:55   ` Ard Biesheuvel
2017-01-11 10:59     ` Wu, Hao A
2017-01-11 20:14       ` Laszlo Ersek

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