[edk2-devel] [Patch v2 11/28] SecurityPkg: Update RPMC APIs with index

Judah Vang judah.vang at intel.com
Fri Apr 29 18:04:13 UTC 2022


REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594

Update RPMC APIs with index parameter because sometimes
there are more than 1 RPMC counter on the platform.

Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Nishant C Mistry <nishant.c.mistry at intel.com>
Signed-off-by: Jian J Wang <jian.j.wang at intel.com>
Signed-off-by: Nishant C Mistry <nishant.c.mistry at intel.com>
Signed-off-by: Judah Vang <judah.vang at intel.com>
---
 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
index 792e48250e5d..557aeb6abf09 100644
--- a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
+++ b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
@@ -1,7 +1,7 @@
 /** @file
   NULL RpmcLib instance for build purpose.
 
-Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2020 - 2022, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -12,6 +12,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 /**
   Requests the monotonic counter from the designated RPMC counter.
 
+  @param[in]    CounterIndex            The RPMC index
   @param[out]   CounterValue            A pointer to a buffer to store the RPMC value.
 
   @retval       EFI_SUCCESS             The operation completed successfully.
@@ -21,6 +22,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 EFI_STATUS
 EFIAPI
 RequestMonotonicCounter (
+  IN  UINT8   CounterIndex,
   OUT UINT32  *CounterValue
   )
 {
@@ -31,6 +33,8 @@ RequestMonotonicCounter (
 /**
   Increments the monotonic counter in the SPI flash device by 1.
 
+  @param[in]    CounterIndex            The RPMC index
+
   @retval       EFI_SUCCESS             The operation completed successfully.
   @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
   @retval       EFI_UNSUPPORTED         The operation is un-supported.
@@ -38,7 +42,7 @@ RequestMonotonicCounter (
 EFI_STATUS
 EFIAPI
 IncrementMonotonicCounter (
-  VOID
+  IN  UINT8  CounterIndex
   )
 {
   ASSERT (FALSE);
-- 
2.35.1.windows.2



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