[edk2-devel] [PATCH v2 0/4] Add extra pci roots support for Arm
Ard Biesheuvel
ard.biesheuvel at arm.com
Thu Nov 12 08:49:52 UTC 2020
On 11/9/20 2:05 PM, Jiahui Cen wrote:
> Changes with v1
> v1->v2:
> Separated into four patches.
> Factor the same logic parts into a new library.
>
> v1: https://edk2.groups.io/g/devel/topic/72723351#56901
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3059
> QEMU: https://lore.kernel.org/qemu-devel/20201103120157.2286-1-cenjiahui@huawei.com/
>
> This patch series adds support for extra pci roots for ARM.
>
Why?
> In order to avoid duplicated codes, we introduce a new library
> PciHostBridgeUtilityLib which extracts common interfaces from
> OvmfPkg/PciHostBridgeLib. It provides conflicts informing and extra pci
> roots scanning. Using the utility lib, the uefi could scan for extra
> root buses and recognize multiple roots for ARM.
>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Laszlo Ersek <lersek at redhat.com>
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Leif Lindholm <leif at nuviainc.com>
> Signed-off-by: Yubo Miao <miaoyubo at huawei.com>
> Signed-off-by: Jiahui Cen <cenjiahui at huawei.com>
>
> Yubo Miao (4):
> OvmfPkg: Extract functions form PciHostBridgeLib
> ArmVirtPkg: Use extracted PciHostBridgeUtilityLib
> OvmfPkg: Extract functions of extra pci roots
> ArmVirtPkg: Support extra pci roots
>
> ArmVirtPkg/ArmVirt.dsc.inc | 1 +
> OvmfPkg/OvmfPkgIa32.dsc | 1 +
> OvmfPkg/OvmfPkgIa32X64.dsc | 1 +
> OvmfPkg/OvmfPkgX64.dsc | 1 +
> OvmfPkg/OvmfXen.dsc | 1 +
> ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.inf | 5 +
> OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 +
> OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.inf | 51 ++++
> OvmfPkg/Include/Library/PciHostBridgeUtilityLib.h | 98 +++++++
> ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c | 221 ++++++++-------
> OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 234 +---------------
> OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.c | 283 ++++++++++++++++++++
> 12 files changed, 563 insertions(+), 335 deletions(-)
> create mode 100644 OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.inf
> create mode 100644 OvmfPkg/Include/Library/PciHostBridgeUtilityLib.h
> create mode 100644 OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.c
>
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