From: "Javeed, Ashraf" <ashraf.javeed@intel.com>
To: "Ni, Ray" <ray.ni@intel.com>,
"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Wang, Jian J" <jian.j.wang@intel.com>, "Wu, Hao A" <hao.a.wu@intel.com>
Subject: Re: [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 07/15] MdeModulePkg/PciBusDxe: Enable MaxPayloadSize feature
Date: Wed, 13 May 2020 06:54:42 +0000 [thread overview]
Message-ID: <BN6PR11MB1873A6ACB40D74BB479E3134F7BF0@BN6PR11MB1873.namprd11.prod.outlook.com> (raw)
In-Reply-To: <734D49CCEBEEF84792F5B80ED585239D5C53ADFC@SHSMSX104.ccr.corp.intel.com>
My response in line.
Thanks
Ashraf
> -----Original Message-----
> From: Ni, Ray <ray.ni@intel.com>
> Sent: Wednesday, May 13, 2020 12:16 PM
> To: Javeed, Ashraf <ashraf.javeed@intel.com>; devel@edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A
> <hao.a.wu@intel.com>
> Subject: RE: [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 07/15]
> MdeModulePkg/PciBusDxe: Enable MaxPayloadSize feature
>
> > /**
> > @@ -220,6 +226,7 @@ PcieNotifyDeviceState (
> >
> > CopyMem (&PcieDeviceState, &PciIoDevice->DeviceState, sizeof
> (PciIoDevice->DeviceState));
> >
> > + PcieDeviceState.MaxPayloadSize = (UINT8)PciIoDevice-
> >PciExpressCapability.DeviceControl.Bits.MaxPayloadSize;
>
> My original idea is to directly use the PciIoDevice->DeviceState.
> Your patch is even better because if the policy value is AUTO, it's better to
> report the actual value in HW to platform instead of AUTO.
>
Yes, that was the intent.
> Can you remove the CopyMem() call?
>
The CopyMem() shall maintain the PCIe features that are not yet supported by the driver, or if the platform has chose to not initialize that PCIe feature(s) using the NOT_APPLICABLE.
Are you suggesting to explicitly assign NOT_APPLICABLE to those features?
> Thanks,
> Ray
next prev parent reply other threads:[~2020-05-13 6:54 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200510161412.13832-1-ashraf.javeed@intel.com>
2020-05-10 16:13 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 01/15] MdePkg/Protocols: Deprecated the EFI encoded macros Javeed, Ashraf
2020-05-13 8:21 ` Ni, Ray
2020-05-10 16:13 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 02/15] MdeModulePkg/PciBusDxe: PciBusDxe Code refactor Javeed, Ashraf
2020-05-13 6:31 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 03/15] MdeModulePkg/PciBus: Rename Cache PCIe Capability Structure Javeed, Ashraf
2020-05-13 6:31 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 04/15] MdeModulePkg/PciBusDxe: Refactor the PCIe Bridge enable Javeed, Ashraf
2020-05-13 6:31 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 05/15] MdeModulePkg/PciBusDxe: Locate PciePlatform/PcieOverride protocol Javeed, Ashraf
2020-05-13 6:31 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 06/15] MdeModulePkg/PciBusDxe: Add the framework to init PCIe features Javeed, Ashraf
2020-05-13 6:39 ` Ni, Ray
2020-05-13 6:46 ` Javeed, Ashraf
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 07/15] MdeModulePkg/PciBusDxe: Enable MaxPayloadSize feature Javeed, Ashraf
2020-05-13 6:45 ` Ni, Ray
2020-05-13 6:54 ` Javeed, Ashraf [this message]
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 08/15] MdeModulePkg/PciBusDxe: Enable MaxReadRequestSize feature Javeed, Ashraf
2020-05-13 6:49 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 09/15] MdeModulePkg/PciBusDxe: Enable RelaxedOrdering feature Javeed, Ashraf
2020-05-13 6:49 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 10/15] MdeModulePkg/PciBusDxe: Enable NoSnoop feature Javeed, Ashraf
2020-05-13 6:49 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 11/15] MdeModulePkg/PciBusDxe: Enable CompletionTimeout feature Javeed, Ashraf
2020-05-13 6:49 ` Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 12/15] MdeModulePkg/PciBusDxe: Enable LTR feature Javeed, Ashraf
2020-05-13 6:49 ` Ni, Ray
2020-05-13 7:10 ` Javeed, Ashraf
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 13/15] MdeModulePkg/PciBusDxe: Enable AtomicOp feature Javeed, Ashraf
2020-05-13 6:51 ` [edk2-devel] " Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 14/15] MdeModulePkg/PciBusDxe: Enable ExtendedTag feature Javeed, Ashraf
2020-05-13 8:09 ` [edk2-devel] " Ni, Ray
2020-05-10 16:14 ` [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH 15/15] MdeModulePkg/PciBusDxe: Enable CommonClockConfiguration feature Javeed, Ashraf
2020-05-13 8:19 ` Ni, Ray
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