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Updated Tpm2DeviceLibFfa to no longer use globals. Updated the
SEC version of Tpm2DeviceLibFfaBase to no longer use globals
when including TPM libraries in the SEC phase. Includes various
cleanup regarding the updated files.
Signed-off-by: Raymond Diaz <raymonddiaz@microsoft.com>
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As the FFA function now returns the target ID properly, instead of
hardcoding the FFA_RUN target ID being the TPM SP, we use the parsed
ID to issue the FFA_RUN.
Signed-off-by: Kun Qin <kun.qin@microsoft.com>
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Replace traditional `#ifndef`/`#define`/`#endif` include guards with
`#pragma` once.
`#pragma once` is a widely supported preprocessor directive that
prevents header files from being included multiple times. It is
supported by all toolchains used to build edk2: GCC, Clang/LLVM, and
MSVC.
Compared to macro-based include guards, `#pragma once`:
- Eliminates the risk of macro name collisions or copy/paste errors
where two headers inadvertently use the same guard macro.
- Eliminate inconsistency in the way include guard macros are named
(e.g., some files use `__FILE_H__`, others use `FILE_H_`, etc.).
- Reduces boilerplate (three lines replaced by one).
- Avoids polluting the macro namespace with guard symbols.
- Can improve build times as the preprocessor can skip re-opening the
file entirely, rather than re-reading it to find the matching
`#endif` ("multiple-include optimization").
- Note that some compilers may already optimize traditional include
guards, by recognzining the idiomatic pattern.
This change is made acknowledging that overall portability of the
code will technically be reduced, as `#pragma once` is not part of the
C/C++ standards.
However, this is considered acceptable given:
1. edk2 already defines a subset of supported compilers in
BaseTools/Conf/tools_def.template, all of which have supported
`#pragma once` for over two decades.
2. There have been concerns raised to the project about inconsistent
include guard naming and potential macro collisions.
Approximate compiler support dates:
- MSVC: Supported since Visual C++ 4.2 (1996)
- GCC: Supported since 3.4 (2004)
(http://gnu.ist.utl.pt/software/gcc/gcc-3.4/changes.html)
- Clang (LLVM based): Since initial release in 2007
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
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Use ArmFfaGetPartitionInfo() in Tpm2ServiceFfaLib.
This simplifies the code line to get partition information.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
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This change adds the recognition of TPM devices that supports CRB
interface v2.
Signed-off-by: Kun Qin <kun.qin@microsoft.com>
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When ArmFfaLibDirectMsgReq(2) is preempted, caller of these functions
should resume it works via ArmFfaLibRun() and the secure partition
will be return with FFA_DIRECT_MSG_RESP(2) with return arguments.
However, since ArmFfaLibRun() gets its return in its stack variable,
So caller of ArmFfaLibRun() doesn't get the return arguments from
secure partition.
To resolve this, add output parameter to ArmFfaLibRun() to
receive return arguments.
Continuous-integration-options: PatchCheck.ignore-multi-package
Fixes: 5d1b38dd07c4 ("ArmPkg: Add ArmFfaLib used in Dxe driver")
Reported-by: Mariam Elshakfy <Mariam.Elshakfy@arm.com>
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
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To support measurement and extend PCR in PeilessSec with
TPM device using FF-A over CRB, add Tpm2DeviceSecLibFfa for PeilessSec.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
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This is preparation patch to add Tpm2DeviceSecLibFfa for SEC
used in PeilessSec.
In SEC phase, DynamicPcd used for cacahing TPM2 information
couldn't be used.
To resolve this, writes wrapper functions to get TPM2 information
so that in the wrapper functions used in SEC wouldn't use the
related DyanmicPcd.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
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Fix unmatched constructor name of Tpm2InstanceLibFfa.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
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This change introduces a `Tpm2InstanceLibFfa` library to support TPM over
FF-A and works with Tpm2DeviceLibRouter* libraries.
The implementation follows the TPM over FF-A spec v1.0 BET:
https://developer.arm.com/documentation/den0138/latest/
The change is tested on QEMU SBSA virtual platform and proprietary
hardware platforms.
Signed-off-by: Kun Qin <kun.qin@microsoft.com>
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This change introduces a `Tpm2DeviceLibFfa` library to support TPM over
FF-A.
The implementation follows the TPM over FF-A spec v1.0 BET:
https://developer.arm.com/documentation/den0138/latest/
The change is tested on QEMU SBSA virtual platform and proprietary
hardware platforms.
Co-authored-by: Raymond Diaz <raymonddiaz@microsoft.com>
Signed-off-by: Kun Qin <kun.qin@microsoft.com>
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