From: "Laszlo Ersek" <lersek@redhat.com>
To: devel@edk2.groups.io
Cc: "Anthony Perard" <anthony.perard@citrix.com>,
"Ard Biesheuvel" <ardb+tianocore@kernel.org>,
"Jordan Justen" <jordan.l.justen@intel.com>,
"Julien Grall" <julien@xen.org>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [PATCH 20/43] OvmfPkg/XenAcpiPlatformDxe: remove delayed ACPI table installation
Date: Wed, 26 May 2021 22:14:23 +0200 [thread overview]
Message-ID: <20210526201446.12554-21-lersek@redhat.com> (raw)
In-Reply-To: <20210526201446.12554-1-lersek@redhat.com>
Because "PcdPciDisableBusEnumeration" is always TRUE in the OvmfXen
platform, we can remove the delayed ACPI table installation from
XenAcpiPlatformDxe. A number of dependencies become useless this way;
remove them too.
(Note that, conversely, in the QemuFwCfgAcpiPlatformDxe driver, we
*cannot* assume that "PcdPciDisableBusEnumeration" is always FALSE,
regardless of Xen: in the ArmVirtQemu platform, the PCD may carry either
FALSE or TRUE, dependent on whether or not the QEMU "virt" machine
configuration includes a PCIe host controller, respectively.)
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Julien Grall <julien@xen.org>
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2122
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
---
OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf | 8 ---
OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c | 56 +-------------------
2 files changed, 2 insertions(+), 62 deletions(-)
diff --git a/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf b/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf
index db9b6e093de4..d3a6353a50a6 100644
--- a/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf
+++ b/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf
@@ -25,29 +25,21 @@ [Sources]
AcpiPlatform.c
AcpiPlatform.h
EntryPoint.c
Xen.c
[Packages]
- MdeModulePkg/MdeModulePkg.dec
MdePkg/MdePkg.dec
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
BaseLib
DebugLib
- PcdLib
UefiBootServicesTableLib
UefiDriverEntryPoint
XenPlatformLib
[Protocols]
gEfiAcpiTableProtocolGuid # PROTOCOL ALWAYS_CONSUMED
-[Guids]
- gRootBridgesConnectedEventGroupGuid
-
-[Pcd]
- gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration
-
[Depex]
gEfiAcpiTableProtocolGuid
diff --git a/OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c b/OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c
index b6d0835fe3d4..1a23790a3b2c 100644
--- a/OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c
+++ b/OvmfPkg/XenAcpiPlatformDxe/EntryPoint.c
@@ -4,15 +4,13 @@
Copyright (C) 2015-2021, Red Hat, Inc.
Copyright (c) 2008 - 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
-#include <Guid/RootBridgesConnectedEventGroup.h> // gRootBridgesConnectedEve...
-#include <Library/DebugLib.h> // DEBUG()
-#include <Library/PcdLib.h> // PcdGetBool()
+#include <Library/DebugLib.h> // ASSERT_EFI_ERROR()
#include <Library/UefiBootServicesTableLib.h> // gBS
#include <Protocol/AcpiTable.h> // EFI_ACPI_TABLE_PROTOCOL
#include "AcpiPlatform.h"
STATIC
@@ -31,65 +29,15 @@ FindAcpiTableProtocol (
);
ASSERT_EFI_ERROR (Status);
return AcpiTable;
}
-STATIC
-VOID
-EFIAPI
-OnRootBridgesConnected (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
-
- DEBUG ((DEBUG_INFO,
- "%a: root bridges have been connected, installing ACPI tables\n",
- __FUNCTION__));
- Status = InstallAcpiTables (FindAcpiTableProtocol ());
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a: InstallAcpiTables: %r\n", __FUNCTION__, Status));
- }
- gBS->CloseEvent (Event);
-}
-
-
EFI_STATUS
EFIAPI
AcpiPlatformEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
- EFI_STATUS Status;
- EFI_EVENT RootBridgesConnected;
-
- //
- // If the platform doesn't support PCI, or PCI enumeration has been disabled,
- // install the tables at once, and let the entry point's return code reflect
- // the full functionality.
- //
- if (PcdGetBool (PcdPciDisableBusEnumeration)) {
- DEBUG ((DEBUG_INFO, "%a: PCI or its enumeration disabled, installing "
- "ACPI tables\n", __FUNCTION__));
- return InstallAcpiTables (FindAcpiTableProtocol ());
- }
-
- //
- // Otherwise, delay installing the ACPI tables until root bridges are
- // connected. The entry point's return status will only reflect the callback
- // setup. (Note that we're a DXE_DRIVER; our entry point function is invoked
- // strictly before BDS is entered and can connect the root bridges.)
- //
- Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
- OnRootBridgesConnected, NULL /* Context */,
- &gRootBridgesConnectedEventGroupGuid, &RootBridgesConnected);
- if (!EFI_ERROR (Status)) {
- DEBUG ((DEBUG_INFO,
- "%a: waiting for root bridges to be connected, registered callback\n",
- __FUNCTION__));
- }
-
- return Status;
+ return InstallAcpiTables (FindAcpiTableProtocol ());
}
--
2.19.1.3.g30247aa5d201
next prev parent reply other threads:[~2021-05-26 20:35 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 20:14 [PATCH 00/43] OvmfPkg: remove Xen support from OvmfPkg*.dsc, in favor of OvmfXen.dsc Laszlo Ersek
2021-05-26 20:14 ` [PATCH 01/43] OvmfPkg: remove the Xen drivers from the IA32, IA32X64, and X64 platforms Laszlo Ersek
2021-05-27 8:22 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 02/43] OvmfPkg: remove the Xen drivers from the AmdSev platform Laszlo Ersek
2021-05-27 8:22 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 03/43] OvmfPkg: switch IA32, IA32X64, X64 to the fw_cfg-only ACPI platform driver Laszlo Ersek
2021-05-27 10:15 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 04/43] OvmfPkg: switch the AmdSev platform " Laszlo Ersek
2021-05-27 10:15 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 05/43] OvmfPkg/README: bump minimum QEMU version to 1.7.1, machine types to 1.7 Laszlo Ersek
2021-05-27 8:24 ` Philippe Mathieu-Daudé
2021-05-27 8:56 ` Laszlo Ersek
2021-05-26 20:14 ` [PATCH 06/43] OvmfPkg/AcpiPlatformDxe: fix header file warts Laszlo Ersek
2021-05-27 8:24 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 07/43] OvmfPkg/AcpiPlatformDxe: sort #includes and [LibraryClasses] Laszlo Ersek
2021-05-27 8:25 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 08/43] OvmfPkg/AcpiPlatformDxe/QemuLoader.h: remove QemuFwCfgLib class dependency Laszlo Ersek
2021-05-27 8:26 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 09/43] OvmfPkg/AcpiPlatformDxe: move "QemuLoader.h" to IndustryStandard Laszlo Ersek
2021-05-27 8:26 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 10/43] OvmfPkg/AcpiPlatformDxe: consolidate #includes and [LibraryClasses] Laszlo Ersek
2021-05-27 8:41 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 11/43] OvmfPkg/XenAcpiPlatformDxe: create from AcpiPlatformDxe Laszlo Ersek
2021-05-27 10:16 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 12/43] OvmfPkg/AcpiPlatformDxe: remove the "AcpiPlatformDxe.inf" driver Laszlo Ersek
2021-05-27 10:17 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 13/43] OvmfPkg/XenAcpiPlatformDxe: remove the QEMU ACPI linker/loader client Laszlo Ersek
2021-05-27 8:38 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 14/43] OvmfPkg/XenAcpiPlatformDxe: remove QEMU fw_cfg dependency Laszlo Ersek
2021-05-27 8:39 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 15/43] OvmfPkg/XenAcpiPlatformDxe: remove the InstallAcpiTable() helper function Laszlo Ersek
2021-05-27 9:39 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 16/43] OvmfPkg/XenAcpiPlatformDxe: remove OVMF's built-in ACPI tables Laszlo Ersek
2021-05-27 8:40 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 17/43] OvmfPkg/Bhyve/AcpiPlatformDxe: fix file path typo in comment Laszlo Ersek
2021-05-26 20:40 ` Rebecca Cran
2021-05-27 8:40 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 18/43] OvmfPkg/AcpiTables: remove unused module Laszlo Ersek
2021-05-27 8:27 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 19/43] OvmfPkg/OvmfXen: make "PcdPciDisableBusEnumeration" Fixed-at-Build Laszlo Ersek
2021-05-27 8:42 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` Laszlo Ersek [this message]
2021-05-27 8:28 ` [PATCH 20/43] OvmfPkg/XenAcpiPlatformDxe: remove delayed ACPI table installation Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 21/43] OvmfPkg/PlatformPei: remove Xen support Laszlo Ersek
2021-05-27 10:20 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 22/43] OvmfPkg: drop PcdPciDisableBusEnumeration from the IA32, IA32X64, X64 DSCs Laszlo Ersek
2021-05-27 8:29 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 23/43] OvmfPkg: drop PcdPciDisableBusEnumeration from the AmdSev platform Laszlo Ersek
2021-05-27 10:21 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 24/43] OvmfPkg/Bhyve: make "PcdPciDisableBusEnumeration" Fixed-at-Build Laszlo Ersek
2021-05-26 20:41 ` Rebecca Cran
2021-05-27 8:43 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 25/43] OvmfPkg/OvmfXen: remove IncompatiblePciDeviceSupport DXE driver Laszlo Ersek
2021-05-27 8:29 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 26/43] OvmfPkg/Bhyve: " Laszlo Ersek
2021-05-27 10:23 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 27/43] OvmfPkg/IncompatiblePciDeviceSupportDxe: remove PcdPciDisableBusEnumeration Laszlo Ersek
2021-05-27 8:30 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 28/43] OvmfPkg/PciHostBridgeLib: consolidate #includes and INF file sections Laszlo Ersek
2021-05-27 8:31 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 29/43] OvmfPkg/PciHostBridgeLibScan: create from PciHostBridgeLib Laszlo Ersek
2021-05-31 14:52 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 30/43] OvmfPkg/Bhyve: consume PciHostBridgeLibScan Laszlo Ersek
2021-05-26 22:46 ` Rebecca Cran
2021-05-27 8:31 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 31/43] OvmfPkg/OvmfXen: " Laszlo Ersek
2021-05-27 8:31 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 32/43] OvmfPkg/PciHostBridgeLib: remove Bhyve and Xen support Laszlo Ersek
2021-05-27 8:32 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 33/43] OvmfPkg/PciHostBridgeLibScan: remove QEMU (fw_cfg) support Laszlo Ersek
2021-05-27 10:25 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 34/43] OvmfPkg/PciHostBridgeLibScan: remove PcdOvmfHostBridgePciDevId Laszlo Ersek
2021-05-27 8:33 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 35/43] OvmfPkg/PciHostBridgeLibScan: clean up file names and file-top comments Laszlo Ersek
2021-05-27 8:34 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 36/43] OvmfPkg/SmbiosPlatformDxe: clean up #includes and INF Laszlo Ersek
2021-05-27 8:34 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 37/43] OvmfPkg/SmbiosPlatformDxe: return EFI_NOT_FOUND if there is no SMBIOS data Laszlo Ersek
2021-05-27 8:45 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 38/43] OvmfPkg/SmbiosPlatformDxe: locate SMBIOS protocol in InstallAllStructures() Laszlo Ersek
2021-05-27 8:35 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 39/43] OvmfPkg/SmbiosPlatformDxe: split GetXenSmbiosTables() decl. to new header Laszlo Ersek
2021-05-31 14:54 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 40/43] OvmfPkg/SmbiosPlatformDxe: declare InstallAllStructures() in header file Laszlo Ersek
2021-05-31 15:00 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 41/43] OvmfPkg/SmbiosPlatformDxe: create Xen-specific module INF file Laszlo Ersek
2021-05-31 14:56 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 42/43] OvmfPkg/SmbiosPlatformDxe: split Xen entry point from QEMU entry point Laszlo Ersek
2021-05-31 15:03 ` Philippe Mathieu-Daudé
2021-05-26 20:14 ` [PATCH 43/43] OvmfPkg: restrict XenPlatformLib to BdsDxe in the IA32, IA32X64, X64 DSCs Laszlo Ersek
2021-05-31 14:58 ` Philippe Mathieu-Daudé
2021-05-27 7:34 ` [PATCH 00/43] OvmfPkg: remove Xen support from OvmfPkg*.dsc, in favor of OvmfXen.dsc Ard Biesheuvel
2021-05-27 8:55 ` Laszlo Ersek
2021-05-31 15:06 ` Philippe Mathieu-Daudé
2021-06-01 7:41 ` Laszlo Ersek
2021-05-27 13:07 ` Leif Lindholm
2021-05-27 13:09 ` Leif Lindholm
2021-05-27 16:30 ` Laszlo Ersek
2021-06-02 8:36 ` [edk2-devel] " Laszlo Ersek
2021-06-04 14:02 ` Anthony PERARD
2021-06-04 14:19 ` Laszlo Ersek
2021-06-04 16:05 ` Laszlo Ersek
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