.TH "Fapi_NvExtend" 3 "Sun May 7 2023" "Version 4.0.1" "tpm2-tss" \" -*- nroff -*-
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.SH NAME
Fapi_NvExtend \- Fapi_NvExtend
.SH SYNOPSIS
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.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "TSS2_RC \fBFapi_NvExtend\fP (\fBFAPI_CONTEXT\fP *context, char const *path, uint8_t const *data, size_t size, char const *logData)"
.br
.ti -1c
.RI "TSS2_RC \fBFapi_NvExtend_Async\fP (\fBFAPI_CONTEXT\fP *context, char const *path, uint8_t const *data, size_t size, char const *logData)"
.br
.ti -1c
.RI "TSS2_RC \fBFapi_NvExtend_Finish\fP (\fBFAPI_CONTEXT\fP *context)"
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.in -1c
.SH "Detailed Description"
.PP 
FAPI functions to invoke NvExtend either as one-call or in an asynchronous manner\&. 
.SH "Function Documentation"
.PP 
.SS "TSS2_RC Fapi_NvExtend (\fBFAPI_CONTEXT\fP * context, char const * nvPath, uint8_t const * data, size_t dataSize, char const * logData)"
One-Call function for Fapi_NvExtend
.PP
Performs an extend operation on an NV index with the type extend\&.
.PP
\fBParameters\fP
.RS 4
\fIcontext\fP the FAPI context 
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\fInvPath\fP The path to the NV index that is extended 
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\fIdata\fP The data to extend on the NV index 
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\fIdataSize\fP The size of the data to extend\&. Must be smaller than 1024 
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\fIlogData\fP A JSON representation of the data that is written to the event log\&. May be NULL
.RE
.PP
\fBReturn values\fP
.RS 4
\fITSS2_RC_SUCCESS\fP if the function call was a success\&. 
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\fITSS2_FAPI_RC_BAD_REFERENCE\fP if context, nvPath, or data is NULL\&. 
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\fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. 
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\fITSS2_FAPI_RC_BAD_PATH\fP if nvPath is not found\&. 
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\fITSS2_FAPI_RC_NV_WRONG_TYPE\fP if the NV is not an extendable index\&. 
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\fITSS2_FAPI_RC_POLICY_UNKNOWN\fP if the policy is unknown\&. 
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\fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. 
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\fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. 
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\fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. 
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\fITSS2_FAPI_RC_NO_TPM\fP if FAPI was initialized in no-TPM-mode via its config file\&. 
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\fITSS2_FAPI_RC_BAD_VALUE\fP if an invalid value was passed into the function\&. 
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\fITSS2_FAPI_RC_PATH_NOT_FOUND\fP if a FAPI object path was not found during authorization\&. 
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\fITSS2_FAPI_RC_KEY_NOT_FOUND\fP if a key was not found\&. 
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\fITSS2_FAPI_RC_TRY_AGAIN\fP if an I/O operation is not finished yet and this function needs to be called again\&. 
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\fITSS2_FAPI_RC_GENERAL_FAILURE\fP if an internal error occurred\&. 
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\fITSS2_FAPI_RC_AUTHORIZATION_UNKNOWN\fP if a required authorization callback is not set\&. 
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\fITSS2_FAPI_RC_AUTHORIZATION_FAILED\fP if the authorization attempt fails\&. 
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\fITSS2_ESYS_RC_*\fP possible error codes of ESAPI\&. 
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\fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. 
.RE
.PP

.SS "TSS2_RC Fapi_NvExtend_Async (\fBFAPI_CONTEXT\fP * context, char const * nvPath, uint8_t const * data, size_t dataSize, char const * logData)"
Asynchronous function for Fapi_NvExtend
.PP
Performs an extend operation on an NV index with the type extend\&.
.PP
Call Fapi_NvExtend_Finish to finish the execution of this command\&.
.PP
\fBParameters\fP
.RS 4
\fIcontext\fP the FAPI context 
.br
\fInvPath\fP The path to the NV index that is extended 
.br
\fIdata\fP The data to extend on the NV index 
.br
\fIdataSize\fP The size of the data to extend\&. Must be smaller than 1024 
.br
\fIlogData\fP A JSON representation of the data that is written to the event log\&. May be NULL
.RE
.PP
\fBReturn values\fP
.RS 4
\fITSS2_RC_SUCCESS\fP if the function call was a success\&. 
.br
\fITSS2_FAPI_RC_BAD_REFERENCE\fP if context, nvPath, or data is NULL\&. 
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\fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. 
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\fITSS2_FAPI_RC_BAD_VALUE\fP if dataSize is larger than 1024 
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\fITSS2_FAPI_RC_BAD_PATH\fP if nvPath is not found\&. 
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\fITSS2_FAPI_RC_NV_WRONG_TYPE\fP if the NV is not an extendable index\&. 
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\fITSS2_FAPI_RC_POLICY_UNKNOWN\fP if the policy is unknown\&. 
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\fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. 
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\fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. 
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\fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. 
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\fITSS2_FAPI_RC_NO_TPM\fP if FAPI was initialized in no-TPM-mode via its config file\&. 
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\fITSS2_FAPI_RC_PATH_NOT_FOUND\fP if a FAPI object path was not found during authorization\&. 
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\fITSS2_FAPI_RC_KEY_NOT_FOUND\fP if a key was not found\&. 
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\fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. 
.RE
.PP

.SS "TSS2_RC Fapi_NvExtend_Finish (\fBFAPI_CONTEXT\fP * context)"
Asynchronous finish function for Fapi_NvExtend
.PP
This function should be called after a previous Fapi_NvExtend\&.
.PP
\fBParameters\fP
.RS 4
\fIcontext\fP The \fBFAPI_CONTEXT\fP
.RE
.PP
\fBReturn values\fP
.RS 4
\fITSS2_RC_SUCCESS\fP if the function call was a success\&. 
.br
\fITSS2_FAPI_RC_BAD_REFERENCE\fP if context is NULL\&. 
.br
\fITSS2_FAPI_RC_BAD_CONTEXT\fP if context corruption is detected\&. 
.br
\fITSS2_FAPI_RC_BAD_SEQUENCE\fP if the context has an asynchronous operation already pending\&. 
.br
\fITSS2_FAPI_RC_IO_ERROR\fP if the data cannot be saved\&. 
.br
\fITSS2_FAPI_RC_MEMORY\fP if the FAPI cannot allocate enough memory for internal operations or return parameters\&. 
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\fITSS2_FAPI_RC_TRY_AGAIN\fP if the asynchronous operation is not yet complete\&. Call this function again later\&. 
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\fITSS2_FAPI_RC_BAD_PATH\fP if a path is used in inappropriate context or contains illegal characters\&. 
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\fITSS2_FAPI_RC_BAD_VALUE\fP if an invalid value was passed into the function\&. 
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\fITSS2_FAPI_RC_GENERAL_FAILURE\fP if an internal error occurred\&. 
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\fITSS2_FAPI_RC_PATH_NOT_FOUND\fP if a FAPI object path was not found during authorization\&. 
.br
\fITSS2_FAPI_RC_KEY_NOT_FOUND\fP if a key was not found\&. 
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\fITSS2_FAPI_RC_AUTHORIZATION_UNKNOWN\fP if a required authorization callback is not set\&. 
.br
\fITSS2_FAPI_RC_AUTHORIZATION_FAILED\fP if the authorization attempt fails\&. 
.br
\fITSS2_FAPI_RC_POLICY_UNKNOWN\fP if policy search for a certain policy digest was not successful\&. 
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\fITSS2_ESYS_RC_*\fP possible error codes of ESAPI\&. 
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\fITSS2_FAPI_RC_NOT_PROVISIONED\fP FAPI was not provisioned\&. 
.RE
.PP

.SH "Author"
.PP 
Generated automatically by Doxygen for tpm2-tss from the source code\&.