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[Qemu-devel] [PATCH v3 08/13] tpm: Implement tpm_sized_buffer_reset
From: |
Stefan Berger |
Subject: |
[Qemu-devel] [PATCH v3 08/13] tpm: Implement tpm_sized_buffer_reset |
Date: |
Fri, 10 Nov 2017 09:11:47 -0500 |
Move the definition of TPMSizedBuffer out of tpm_tis.c into tpm_util.h
and implement tpm_sized_buffer_reset() for the following patches to use.
Signed-off-by: Stefan Berger <address@hidden>
---
hw/tpm/tpm_tis.c | 5 -----
hw/tpm/tpm_util.c | 7 +++++++
hw/tpm/tpm_util.h | 7 +++++++
3 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 7d7e2cd..035c6ef 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -48,11 +48,6 @@ typedef enum {
TPM_TIS_STATE_RECEPTION,
} TPMTISState;
-typedef struct TPMSizedBuffer {
- uint32_t size;
- uint8_t *buffer;
-} TPMSizedBuffer;
-
/* locality data -- all fields are persisted */
typedef struct TPMLocality {
TPMTISState state;
diff --git a/hw/tpm/tpm_util.c b/hw/tpm/tpm_util.c
index a317243..bf97811 100644
--- a/hw/tpm/tpm_util.c
+++ b/hw/tpm/tpm_util.c
@@ -288,3 +288,10 @@ int tpm_util_get_buffer_size(int tpm_fd, TPMVersion
tpm_version,
return 0;
}
+
+void tpm_sized_buffer_reset(TPMSizedBuffer *tsb)
+{
+ g_free(tsb->buffer);
+ tsb->buffer = NULL;
+ tsb->size = 0;
+}
diff --git a/hw/tpm/tpm_util.h b/hw/tpm/tpm_util.h
index 1c17e39..26c9613 100644
--- a/hw/tpm/tpm_util.h
+++ b/hw/tpm/tpm_util.h
@@ -39,4 +39,11 @@ static inline uint32_t tpm_cmd_get_size(const void *b)
int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
size_t *buffersize);
+typedef struct TPMSizedBuffer {
+ uint32_t size;
+ uint8_t *buffer;
+} TPMSizedBuffer;
+
+void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
+
#endif /* TPM_TPM_UTIL_H */
--
2.5.5
- [Qemu-devel] [PATCH v3 00/13] tpm: Extend TPM with state migration support (not 2.11), Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 01/13] tpm_tis: convert uint32_t to size_t, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 02/13] tpm_tis: limit size of buffer from backend, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 04/13] tpm_tis: move buffers from localities into common location, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 07/13] tpm_tis: merge r/w_offset into rw_offset, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 06/13] tpm_tis: move r/w_offsets to TPMState, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 09/13] tpm: Introduce condition to notify waiters of completed command, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 05/13] tpm_tis: merge read and write buffer into single buffer, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 08/13] tpm: Implement tpm_sized_buffer_reset,
Stefan Berger <=
- [Qemu-devel] [PATCH v3 12/13] tpm: extend TPM emulator with state migration support, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 03/13] tpm_tis: remove TPMSizeBuffer usage, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 10/13] tpm: Introduce condition in TPM backend for notification, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 11/13] tpm: implement tpm_backend_wait_cmd_completed, Stefan Berger, 2017/11/10
- [Qemu-devel] [PATCH v3 13/13] tpm_tis: extend TPM TIS with state migration support, Stefan Berger, 2017/11/10