[edk2-devel] [PATCH v2 13/13] StandaloneMmPkg: Allow sending FFA Direct Request message to StandaloneMm
Sughosh Ganu
sughosh.ganu at linaro.org
Mon Dec 14 14:42:16 UTC 2020
From: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Allow passing of a request to StandaloneMm Core through the Firmware
Framework(FF-A) using FFA_MSG_SEND_DIRECT_REQ method. This method is
used as a mechanism for requesting some service from StandaloneMm.
Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
---
StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c
index 6a25c4c548..f7b4451cd1 100644
--- a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c
+++ b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c
@@ -22,6 +22,7 @@
#include <Guid/ZeroGuid.h>
#include <Guid/MmramMemoryReserve.h>
+#include <IndustryStandard/ArmFfaSvc.h>
#include <IndustryStandard/ArmStdSmc.h>
#include "StandaloneMmCpu.h"
@@ -78,7 +79,8 @@ PiMmStandaloneArmTfCpuDriverEntry (
// receipt of a synchronous MM request. Use the Event ID to distinguish
// between synchronous and asynchronous events.
//
- if (ARM_SMC_ID_MM_COMMUNICATE_AARCH64 != EventId) {
+ if ((ARM_SMC_ID_MM_COMMUNICATE_AARCH64 != EventId) &&
+ (ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64 != EventId)) {
DEBUG ((DEBUG_INFO, "UnRecognized Event - 0x%x\n", EventId));
return EFI_INVALID_PARAMETER;
}
--
2.17.1
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