v2->v3:
* Rename utility functions under the PciHostBridgeUtilityLib namespace.
* Remove some unused Library dependencies.
* Sort the Include headers.

v1->v2:
* Separated into four patches.
* Factor the same logic parts into a new library.

v2: https://edk2.groups.io/g/devel/topic/78135572#67173
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3059
QEMU: https://lore.kernel.org/qemu-devel/20201119014841.7298-1-cenjiahui@huawei.com/

This patch series adds support for extra pci roots for ARM.

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@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Peter Grehan <grehan@freebsd.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Julien Grall <julien@xen.org>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Signed-off-by: Yubo Miao <miaoyubo@huawei.com>

Jiahui Cen (5):
  OvmfPkg: Introduce PciHostBridgeUtilityLib class
  ArmVirtPkg: Refactor with PciHostBridgeUtilityLib
  OvmfPkg: Extract functions for extra pci roots
  ArmVirtPkg: Add support for extra pci roots
  ArmVirtPkg/ArmVirtQemu: Add support for HotPlug

 OvmfPkg/OvmfPkg.dec                                                 |   4 +
 ArmVirtPkg/ArmVirt.dsc.inc                                          |   1 +
 ArmVirtPkg/ArmVirtKvmTool.dsc                                       |   1 +
 ArmVirtPkg/ArmVirtQemu.dsc                                          |   2 +
 ArmVirtPkg/ArmVirtQemuKernel.dsc                                    |   1 +
 OvmfPkg/Bhyve/BhyveX64.dsc                                          |   1 +
 OvmfPkg/OvmfPkgIa32.dsc                                             |   1 +
 OvmfPkg/OvmfPkgIa32X64.dsc                                          |   1 +
 OvmfPkg/OvmfPkgX64.dsc                                              |   1 +
 OvmfPkg/OvmfXen.dsc                                                 |   1 +
 ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.inf      |   2 +
 OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf               |   3 +-
 OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.inf |  41 +++
 OvmfPkg/Include/Library/PciHostBridgeUtilityLib.h                   |  95 +++++++
 ArmVirtPkg/Library/FdtPciHostBridgeLib/FdtPciHostBridgeLib.c        | 182 ++++++------
 OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c                 | 199 +-------------
 OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.c   | 289 ++++++++++++++++++++
 ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc                                |   1 +
 18 files changed, 560 insertions(+), 266 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

-- 
2.28.0



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