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[PATCH v5 2/5] tpm: Return bool from tpm_backend_finish_sync
From: |
Stefan Berger |
Subject: |
[PATCH v5 2/5] tpm: Return bool from tpm_backend_finish_sync |
Date: |
Thu, 12 Dec 2019 15:24:27 -0500 |
Return true in case we had to wait for an outstanding response
to come back, false otherwise.
Signed-off-by: Stefan Berger <address@hidden>
diff --git a/backends/tpm.c b/backends/tpm.c
index 375587e743..1f75883d8a 100644
--- a/backends/tpm.c
+++ b/backends/tpm.c
@@ -49,11 +49,15 @@ static int tpm_backend_worker_thread(gpointer data)
return 0;
}
-void tpm_backend_finish_sync(TPMBackend *s)
+bool tpm_backend_finish_sync(TPMBackend *s)
{
+ bool ret = s->cmd != NULL;
+
while (s->cmd) {
aio_poll(qemu_get_aio_context(), true);
}
+
+ return ret;
}
enum TpmType tpm_backend_get_type(TPMBackend *s)
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index 9e7451fb52..c35fe85c62 100644
--- a/include/sysemu/tpm_backend.h
+++ b/include/sysemu/tpm_backend.h
@@ -200,8 +200,10 @@ size_t tpm_backend_get_buffer_size(TPMBackend *s);
*
* Finish the pending command synchronously (this will call aio_poll()
* on qemu main AIOContext until it ends)
+ *
+ * Returns true in case there was a pending command, false otherwise.
*/
-void tpm_backend_finish_sync(TPMBackend *s);
+bool tpm_backend_finish_sync(TPMBackend *s);
/**
* tpm_backend_query_tpm:
--
2.21.0
- [PATCH v5 0/5] Add vTPM emulator support for ppc64 platform, Stefan Berger, 2019/12/12
- [PATCH v5 4/5] hw/ppc/Kconfig: Enable TPM_SPAPR as part of PSERIES config, Stefan Berger, 2019/12/12
- [PATCH v5 5/5] docs: tpm: Add example command line for ppc64 and tpm-spapr, Stefan Berger, 2019/12/12
- [PATCH v5 2/5] tpm: Return bool from tpm_backend_finish_sync,
Stefan Berger <=
- [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Stefan Berger, 2019/12/12
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Eric Blake, 2019/12/12
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, David Gibson, 2019/12/13
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Stefan Berger, 2019/12/13
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, David Gibson, 2019/12/16
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Stefan Berger, 2019/12/17
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, David Gibson, 2019/12/18
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, Stefan Berger, 2019/12/18
- Re: [PATCH v5 1/5] tpm_spapr: Support TPM for ppc64 using CRQ based interface, David Gibson, 2019/12/19