From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: "Oliver Steffen" <osteffen@redhat.com>,
"László Érsek" <lersek@redhat.com>,
"Gerd Hoffmann" <kraxel@redhat.com>
Subject: [edk2-devel] [PATCH 5/7] OvmfPkg/VirtMmCommunicationDxe: stop on init failure
Date: Thu, 23 Nov 2023 16:02:32 +0100 [thread overview]
Message-ID: <20231123150234.117835-6-kraxel@redhat.com> (raw)
In-Reply-To: <20231123150234.117835-1-kraxel@redhat.com>
Print an error and stop in case VirtMmCommunicationDxe
initialization fails.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.inf | 1 +
OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.c | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.inf b/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.inf
index 1403e92e1d6d..08fadefa5275 100644
--- a/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.inf
+++ b/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.inf
@@ -36,6 +36,7 @@ [LibraryClasses]
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdEnableVariableRuntimeCache ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES
+ gUefiOvmfPkgTokenSpaceGuid.PcdQemuVarsRequire ## CONSUMES
[Protocols]
gEfiMmCommunication2ProtocolGuid ## PRODUCES
diff --git a/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.c b/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.c
index 7b4ebe1257c6..c33561b39f9b 100644
--- a/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.c
+++ b/OvmfPkg/VirtMmCommunicationDxe/VirtMmCommunication.c
@@ -376,5 +376,15 @@ VirtMmCommunication2Initialize (
FreePages (mCommunicateBuffer, EFI_SIZE_TO_PAGES (MAX_BUFFER_SIZE));
ReturnErrorStatus:
+ if (FeaturePcdGet (PcdQemuVarsRequire)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: qemu uefi variable service is not available, use \n"
+ " 'qemu-system-x86_64 -device uefi-vars-isa' or\n"
+ " 'qemu-system-aarch64 -machine virt,x-uefi-vars=on'\n"
+ ));
+ CpuDeadLoop ();
+ }
+
return EFI_INVALID_PARAMETER;
}
--
2.42.0
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next prev parent reply other threads:[~2023-11-23 15:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-23 15:02 [edk2-devel] [PATCH 0/7] Add VirtMmCommunication driver, enable for OVMF and ArmVirt Gerd Hoffmann
2023-11-23 15:02 ` [edk2-devel] [PATCH 1/7] OvmfPkg: add IndustryStandard/QemuUefiVars.h Gerd Hoffmann
2023-11-23 15:02 ` [edk2-devel] [PATCH 2/7] OvmfPkg: add new VirtMmCommunicationDxe driver Gerd Hoffmann
2023-11-23 15:02 ` [edk2-devel] [PATCH 3/7] OvmfPkg/OvmfPkgX64: add QEMU_VARS option Gerd Hoffmann
2023-11-23 15:02 ` [edk2-devel] [PATCH 4/7] OvmfPkg: add PcdQemuVarsRequire Gerd Hoffmann
2023-11-23 15:02 ` Gerd Hoffmann [this message]
2023-11-23 15:02 ` [edk2-devel] [PATCH 6/7] OvmfPkg/VirtMmCommunicationDxe: add arm support Gerd Hoffmann
2023-11-23 15:02 ` [edk2-devel] [PATCH 7/7] ArmVirtPkg/ArmVirtQemu: add QEMU_VARS option Gerd Hoffmann
2023-11-28 8:33 ` [edk2-devel] [PATCH 0/7] Add VirtMmCommunication driver, enable for OVMF and ArmVirt Ard Biesheuvel
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