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tpm: tpm_emulator: get and set buffer size of device

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Convert the tpm_emulator backend to get the current buffer size
of the external device and set it to the buffer size that the
frontend (TIS) requests.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Stefan Berger 2017-11-04 19:57:15 -04:00
parent abc5cda097
commit 9375c44fdf
5 changed files with 111 additions and 12 deletions
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4
backends/tpm.c
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@ -68,7 +68,7 @@ int tpm_backend_init(TPMBackend *s, TPMIf *tpmif, Error **errp)
return 0;
}
int tpm_backend_startup_tpm(TPMBackend *s)
int tpm_backend_startup_tpm(TPMBackend *s, size_t buffersize)
{
int res = 0;
TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
@ -79,7 +79,7 @@ int tpm_backend_startup_tpm(TPMBackend *s)
s->thread_pool = g_thread_pool_new(tpm_backend_worker_thread, s, 1, TRUE,
NULL);
res = k->startup_tpm ? k->startup_tpm(s) : 0;
res = k->startup_tpm ? k->startup_tpm(s, buffersize) : 0;
s->had_startup_error = (res != 0);