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https://github.com/stefanberger/libtpms
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ae3f105ac3
Also allow to get the minimum and maximum supported buffer size with the TPMLIB_SetBufferSize() call. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
=head1 NAME
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TPMLIB_SetBufferSize - Set the TPM's I/O buffer size
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=head1 LIBRARY
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TPM library (libtpms, -ltpms)
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=head1 SYNOPSIS
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B<#include <libtpms/tpm_library.h>>
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B<uint32_t TPMLIB_SetBufferSize(uint32_t, uint32_t *, uint32_t *);>
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=head1 DESCRIPTION
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The B<TPMLIB_SetBufferSize()> function sets the size of the buffer
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the TPM can use for input and output and that it advertises to users.
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It also allows to get the minimum and maximum supported buffer
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size.
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If 0 is given on input, the currently used buffer size is returned.
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Any other number will try to change the buffer size. The returned
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size may be smaller than the requested one, if the requested one was
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above a maximum. The returned size may be larger than the requested
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one, if the requested one was below a minimum.
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This function must be called after B<TPMLIB_ChooseTPMVersion()> has
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been called. It should not be called after B<TPMLIB_MainInit()> has
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been called but can again be called once B<TPMLIB_Terminate()> has
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been called.
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=head1 SEE ALSO
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B<TPMLIB_ChooseTPMVersion>(3), B<TPMLIB_MainInit>(3), B<TPMLIB_Terminate>(3)
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=cut
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