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authorIlias Apalodimas <ilias.apalodimas@linaro.org>2021-02-19 12:06:07 +0530
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2021-02-23 15:40:37 +0000
commit68e5ecc4d208fe900530fdbe6b44dfc85bef60a8 (patch)
tree6d4df14020afc6a6c12b0780eeb54e43041c8449 /StandaloneMmPkg
parent1262c02677643113ebd231ad09a1b854e57b61c7 (diff)
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StandaloneMmPkg: Allow sending FFA Direct Request message to StandaloneMm
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@linaro.org> Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com> Acked-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'StandaloneMmPkg')
-rw-r--r--StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c b/StandaloneMmPkg/Drivers/StandaloneMmCpu/AArch64/EventHandle.c
index d86d21bb01..63fbe26642 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"
@@ -91,7 +92,8 @@ 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;
}