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authorNishant Mistry <devel@edk2.groups.io>2020-11-12 02:49:09 +0000
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-11-19 08:18:03 +0000
commit6c8dd15c4ae42501438a525ec41299f365f223cb (patch)
tree658ecafa8ec3b1a3711f2f07fa635603fe074709 /SecurityPkg
parent098af8b4088ce1d478a4c0fbf38c17301f61cc9b (diff)
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SecurityPkg: Add RPMC Index to the RpmcLib
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594 The re-design requires multiple RPMC counter usages. The consumer will be capable of selecting amongst multiple counters. Signed-off-by: Nishant C Mistry <nishant.c.mistry@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Diffstat (limited to 'SecurityPkg')
-rw-r--r--SecurityPkg/Include/Library/RpmcLib.h6
-rw-r--r--SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/SecurityPkg/Include/Library/RpmcLib.h b/SecurityPkg/Include/Library/RpmcLib.h
index 5882bfae2f..3c15bce1ce 100644
--- a/SecurityPkg/Include/Library/RpmcLib.h
+++ b/SecurityPkg/Include/Library/RpmcLib.h
@@ -14,6 +14,7 @@ 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.
@@ -23,12 +24,15 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
EFI_STATUS
EFIAPI
RequestMonotonicCounter (
+ IN UINT8 CounterIndex,
OUT UINT32 *CounterValue
);
/**
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.
@@ -36,7 +40,7 @@ RequestMonotonicCounter (
EFI_STATUS
EFIAPI
IncrementMonotonicCounter (
- VOID
+ IN UINT8 CounterIndex
);
#endif
diff --git a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
index e1dd09eb10..697e493a7c 100644
--- a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
+++ b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
@@ -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);