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[PATCH v5 1/2] sysemu: tpm: Add a stub function for TPM_IS_CRB
From: |
Eric Auger |
Subject: |
[PATCH v5 1/2] sysemu: tpm: Add a stub function for TPM_IS_CRB |
Date: |
Fri, 6 May 2022 15:25:09 +0200 |
In a subsequent patch, VFIO will need to recognize if
a memory region owner is a TPM CRB device. Hence VFIO
needs to use TPM_IS_CRB() even if CONFIG_TPM is unset. So
let's add a stub function.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
---
include/sysemu/tpm.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index 68b2206463c..fb40e30ff60 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -80,6 +80,12 @@ static inline TPMVersion tpm_get_version(TPMIf *ti)
#define tpm_init() (0)
#define tpm_cleanup()
+/* needed for an alignment check in non-tpm code */
+static inline Object *TPM_IS_CRB(Object *obj)
+{
+ return NULL;
+}
+
#endif /* CONFIG_TPM */
#endif /* QEMU_TPM_H */
--
2.35.1