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| author | Stefan Berger | 2017-11-05 00:57:15 +0100 |
|---|---|---|
| committer | Stefan Berger | 2017-12-15 05:39:15 +0100 |
| commit | 9375c44fdfc07c0fef3052a3f25a13197a528902 (patch) | |
| tree | e1bde23c01cc36f6c707af2eda79bfa5f8136762 /include | |
| parent | tpm: tpm_passthrough: Read the buffer size from the host device (diff) | |
| download | qemu-9375c44fdfc07c0fef3052a3f25a13197a528902.tar.gz qemu-9375c44fdfc07c0fef3052a3f25a13197a528902.tar.xz qemu-9375c44fdfc07c0fef3052a3f25a13197a528902.zip | |
tpm: tpm_emulator: get and set buffer size of device
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sysemu/tpm_backend.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h index 7c98b6100d..0d6c994a62 100644 --- a/include/sysemu/tpm_backend.h +++ b/include/sysemu/tpm_backend.h @@ -66,7 +66,7 @@ struct TPMBackendClass { TPMBackend *(*create)(QemuOpts *opts); /* start up the TPM on the backend - optional */ - int (*startup_tpm)(TPMBackend *t); + int (*startup_tpm)(TPMBackend *t, size_t buffersize); /* optional */ void (*reset)(TPMBackend *t); @@ -112,10 +112,12 @@ int tpm_backend_init(TPMBackend *s, TPMIf *tpmif, Error **errp); /** * tpm_backend_startup_tpm: * @s: the backend whose TPM support is to be started + * @buffersize: the buffer size the TPM is supposed to use, + * 0 to leave it as-is * * Returns 0 on success. */ -int tpm_backend_startup_tpm(TPMBackend *s); +int tpm_backend_startup_tpm(TPMBackend *s, size_t buffersize); /** * tpm_backend_had_startup_error: |