tyler.durden/audk
1
0
Fork 0
mirror of https://github.com/acidanthera/audk.git synced 2025-07-27 07:34:06 +02:00
Code Issues Packages Projects Releases Wiki Activity

OvmfPkg/PciHostBridgeUtilityLib: Extend parameters of InitRootBridge()

Browse Source 
Extend parameter list of PciHostBridgeUtilityInitRootBridge() with
DmaAbove4G and NoExtendedConfigSpace to prepare for sharing with
ArmVirtPkg.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3059

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Julien Grall <julien@xen.org>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Signed-off-by: Yubo Miao <miaoyubo@huawei.com>
Message-Id: <20210119011302.10908-6-cenjiahui@huawei.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Jiahui Cen via groups.io 2021-01-19 09:12:56 +08:00 committed by mergify[bot]
parent 7ac1f28d4d
commit e1b259da42
6 changed files with 73 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
OvmfPkg/Include/Library/PciHostBridgeUtilityLib.h
View File

@ -26,16 +26,22 @@
@param[in] AllocAttributes Allocation attributes.
@param[in] DmaAbove4G DMA above 4GB memory.
@param[in] NoExtendedConfigSpace No Extended Config Space.
@param[in] RootBusNumber The bus number to store in RootBus.
@param[in] MaxSubBusNumber The inclusive maximum bus number that can be
assigned to any subordinate bus found behind any
PCI bridge hanging off this root bus.
@param[in] MaxSubBusNumber The inclusive maximum bus number that can
be assigned to any subordinate bus found
behind any PCI bridge hanging off this
root bus.
The caller is repsonsible for ensuring that
RootBusNumber <= MaxSubBusNumber. If
RootBusNumber equals MaxSubBusNumber, then the
root bus has no room for subordinate buses.
The caller is repsonsible for ensuring
that RootBusNumber <= MaxSubBusNumber. If
RootBusNumber equals MaxSubBusNumber, then
the root bus has no room for subordinate
buses.
@param[in] Io IO aperture.
@ -47,14 +53,14 @@
@param[in] PMemAbove4G Prefetchable MMIO aperture above 4G.
@param[out] RootBus The PCI_ROOT_BRIDGE structure (allocated by the
caller) that should be filled in by this
function.
@param[out] RootBus The PCI_ROOT_BRIDGE structure (allocated
by the caller) that should be filled in by
this function.
@retval EFI_SUCCESS Initialization successful. A device path
consisting of an ACPI device path node, with
UID = RootBusNumber, has been allocated and
linked into RootBus.
consisting of an ACPI device path node,
with UID = RootBusNumber, has been
allocated and linked into RootBus.
@retval EFI_OUT_OF_RESOURCES Memory allocation failed.
**/
@ -64,6 +70,8 @@ PciHostBridgeUtilityInitRootBridge (
IN UINT64 Supports,
IN UINT64 Attributes,
IN UINT64 AllocAttributes,
IN BOOLEAN DmaAbove4G,
IN BOOLEAN NoExtendedConfigSpace,
IN UINT8 RootBusNumber,
IN UINT8 MaxSubBusNumber,
IN PCI_ROOT_BRIDGE_APERTURE *Io,

5
OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
View File

@ -10,6 +10,7 @@
#include <PiDxe.h>
#include <IndustryStandard/Pci.h>
#include <IndustryStandard/Q35MchIch9.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>
#include <Protocol/PciRootBridgeIo.h>
@ -151,6 +152,8 @@ PciHostBridgeGetRootBridges (
Attributes,
Attributes,
AllocationAttributes,
FALSE,
PcdGet16 (PcdOvmfHostBridgePciDevId) != INTEL_Q35_MCH_DEVICE_ID,
(UINT8) LastRootBridgeNumber,
(UINT8) (RootBridgeNumber - 1),
&Io,
@ -176,6 +179,8 @@ PciHostBridgeGetRootBridges (
Attributes,
Attributes,
AllocationAttributes,
FALSE,
PcdGet16 (PcdOvmfHostBridgePciDevId) != INTEL_Q35_MCH_DEVICE_ID,
(UINT8) LastRootBridgeNumber,
PCI_MAX_BUS,
&Io,

1
OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf
View File

@ -50,4 +50,5 @@
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Base
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration

1
OvmfPkg/Library/PciHostBridgeLib/XenSupport.c
View File

@ -456,6 +456,7 @@ ScanForRootBridges (
ASSERT (RootBridges != NULL);
PciHostBridgeUtilityInitRootBridge (
Attributes, Attributes, 0,
FALSE, PcdGet16 (PcdOvmfHostBridgePciDevId) != INTEL_Q35_MCH_DEVICE_ID,
(UINT8) PrimaryBus, (UINT8) SubBus,
&Io, &Mem, &MemAbove4G, &mNonExistAperture, &mNonExistAperture,
&RootBridges[*NumberOfRootBridges]

41
OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.c
View File

@ -11,12 +11,10 @@
**/
#include <IndustryStandard/Acpi10.h>
#include <IndustryStandard/Q35MchIch9.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/PciHostBridgeUtilityLib.h>
@ -70,16 +68,22 @@ OVMF_PCI_ROOT_BRIDGE_DEVICE_PATH mRootBridgeDevicePathTemplate = {
@param[in] AllocAttributes Allocation attributes.
@param[in] DmaAbove4G DMA above 4GB memory.
@param[in] NoExtendedConfigSpace No Extended Config Space.
@param[in] RootBusNumber The bus number to store in RootBus.
@param[in] MaxSubBusNumber The inclusive maximum bus number that can be
assigned to any subordinate bus found behind any
PCI bridge hanging off this root bus.
@param[in] MaxSubBusNumber The inclusive maximum bus number that can
be assigned to any subordinate bus found
behind any PCI bridge hanging off this
root bus.
The caller is repsonsible for ensuring that
RootBusNumber <= MaxSubBusNumber. If
RootBusNumber equals MaxSubBusNumber, then the
root bus has no room for subordinate buses.
The caller is repsonsible for ensuring
that RootBusNumber <= MaxSubBusNumber. If
RootBusNumber equals MaxSubBusNumber, then
the root bus has no room for subordinate
buses.
@param[in] Io IO aperture.
@ -91,14 +95,14 @@ OVMF_PCI_ROOT_BRIDGE_DEVICE_PATH mRootBridgeDevicePathTemplate = {
@param[in] PMemAbove4G Prefetchable MMIO aperture above 4G.
@param[out] RootBus The PCI_ROOT_BRIDGE structure (allocated by the
caller) that should be filled in by this
function.
@param[out] RootBus The PCI_ROOT_BRIDGE structure (allocated
by the caller) that should be filled in by
this function.
@retval EFI_SUCCESS Initialization successful. A device path
consisting of an ACPI device path node, with
UID = RootBusNumber, has been allocated and
linked into RootBus.
consisting of an ACPI device path node,
with UID = RootBusNumber, has been
allocated and linked into RootBus.
@retval EFI_OUT_OF_RESOURCES Memory allocation failed.
**/
@ -108,6 +112,8 @@ PciHostBridgeUtilityInitRootBridge (
IN UINT64 Supports,
IN UINT64 Attributes,
IN UINT64 AllocAttributes,
IN BOOLEAN DmaAbove4G,
IN BOOLEAN NoExtendedConfigSpace,
IN UINT8 RootBusNumber,
IN UINT8 MaxSubBusNumber,
IN PCI_ROOT_BRIDGE_APERTURE *Io,
@ -130,7 +136,7 @@ PciHostBridgeUtilityInitRootBridge (
RootBus->Supports = Supports;
RootBus->Attributes = Attributes;
RootBus->DmaAbove4G = FALSE;
RootBus->DmaAbove4G = DmaAbove4G;
RootBus->AllocationAttributes = AllocAttributes;
RootBus->Bus.Base = RootBusNumber;
@ -141,8 +147,7 @@ PciHostBridgeUtilityInitRootBridge (
CopyMem (&RootBus->PMem, PMem, sizeof (*PMem));
CopyMem (&RootBus->PMemAbove4G, PMemAbove4G, sizeof (*PMemAbove4G));
RootBus->NoExtendedConfigSpace = (PcdGet16 (PcdOvmfHostBridgePciDevId) !=
INTEL_Q35_MCH_DEVICE_ID);
RootBus->NoExtendedConfigSpace = NoExtendedConfigSpace;
DevicePath = AllocateCopyPool (sizeof mRootBridgeDevicePathTemplate,
&mRootBridgeDevicePathTemplate);

4
OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.inf
View File

@ -39,7 +39,3 @@
DebugLib
DevicePathLib
MemoryAllocationLib
PcdLib
[Pcd]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId