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tpm-be: update optional function pointers

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QEMU code doesn't generally have assert() for mandatory
callbacks/function pointers, probably because the crash is pretty
obvious. Document the methods instead of going into the code.

Make get_tpm_options() mandatory to implement (since all
backend implementation have it).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Marc-André Lureau 2017-11-06 19:39:07 +01:00 • committed by Stefan Berger
parent 69c07db046
commit ebca2df783
2 changed files with 5 additions and 9 deletions
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5
include/sysemu/tpm_backend.h
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@ -65,15 +65,18 @@ struct TPMBackendClass {
TPMBackend *(*create)(QemuOpts *opts, const char *id);
/* start up the TPM on the backend */
/* start up the TPM on the backend - optional */
int (*startup_tpm)(TPMBackend *t);
/* optional */
void (*reset)(TPMBackend *t);
void (*cancel_cmd)(TPMBackend *t);
/* optional */
bool (*get_tpm_established_flag)(TPMBackend *t);
/* optional */
int (*reset_tpm_established_flag)(TPMBackend *t, uint8_t locty);
TPMVersion (*get_tpm_version)(TPMBackend *t);