[U-Boot] [PATCH v2 4/5] tpm: add more useful NV storage permission flags

André Draszik git at andred.net
Tue Oct 3 15:55:53 UTC 2017


From: André Draszik <adraszik at tycoint.com>

TPM_NV_PER_PPREAD: physical presence needed for reading
TPM_NV_PER_WRITEDEFINE: persistent write lock by writing size 0
TPM_NV_PER_WRITEALL: write in one go

Signed-off-by: André Draszik <adraszik at tycoint.com>
---
 include/tpm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/tpm.h b/include/tpm.h
index 2a7528dd48..760d94865c 100644
--- a/include/tpm.h
+++ b/include/tpm.h
@@ -84,9 +84,12 @@ enum tpm_capability_areas {
 };
 
 #define TPM_NV_PER_GLOBALLOCK		(1U << 15)
+#define TPM_NV_PER_PPREAD		(1U << 16)
 #define TPM_NV_PER_PPWRITE		(1U << 0)
 #define TPM_NV_PER_READ_STCLEAR		(1U << 31)
 #define TPM_NV_PER_WRITE_STCLEAR	(1U << 14)
+#define TPM_NV_PER_WRITEDEFINE		(1U << 13)
+#define TPM_NV_PER_WRITEALL		(1U << 12)
 
 enum {
 	TPM_PUBEK_SIZE			= 256,
-- 
2.14.2



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