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author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2013-03-21 16:11:23 -0400 |
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committer | Ian Campbell <ian.campbell@citrix.com> | 2013-04-12 14:28:17 +0100 |
commit | c9e6dcb08b5d6f68d05f658850c72f8888d8c533 (patch) | |
tree | 9c17ae05eb60f470f7202bade3edd24566caf391 /stubdom | |
parent | 9f0cf56683a0efcaa3cda67c534144d335f7ad2c (diff) | |
download | xen-c9e6dcb08b5d6f68d05f658850c72f8888d8c533.tar.gz xen-c9e6dcb08b5d6f68d05f658850c72f8888d8c533.tar.bz2 xen-c9e6dcb08b5d6f68d05f658850c72f8888d8c533.zip |
stubdom/vtpm: correct the buffer size returned by TPM_CAP_PROP_INPUT_BUFFER
The vtpm2 ABI supports packets of up to 4088 bytes by default; expose
this property though the TPM's interface so clients do not attempt to
send larger packets.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Diffstat (limited to 'stubdom')
-rw-r--r-- | stubdom/Makefile | 1 | ||||
-rw-r--r-- | stubdom/vtpm-bufsize.patch | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/stubdom/Makefile b/stubdom/Makefile index 674132a9db..5372715f4d 100644 --- a/stubdom/Makefile +++ b/stubdom/Makefile @@ -209,6 +209,7 @@ tpm_emulator-$(XEN_TARGET_ARCH): tpm_emulator-$(TPMEMU_VERSION).tar.gz tar xzf $< mv tpm_emulator-$(TPMEMU_VERSION) $@ patch -d $@ -p1 < tpmemu-$(TPMEMU_VERSION).patch; + patch -d $@ -p1 < vtpm-bufsize.patch mkdir $@/build cd $@/build; CC=${CC} $(CMAKE) .. -DCMAKE_C_FLAGS:STRING="-std=c99 -DTPM_NO_EXTERN $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) -Wno-declaration-after-statement" touch $@ diff --git a/stubdom/vtpm-bufsize.patch b/stubdom/vtpm-bufsize.patch new file mode 100644 index 0000000000..9c9304cfff --- /dev/null +++ b/stubdom/vtpm-bufsize.patch @@ -0,0 +1,13 @@ +diff --git a/config.h.in b/config.h.in +index d16a997..8088a2a 100644 +--- a/config.h.in ++++ b/config.h.in +@@ -27,7 +27,7 @@ + #define TPM_STORAGE_NAME "${TPM_STORAGE_NAME}" + #define TPM_DEVICE_NAME "${TPM_DEVICE_NAME}" + #define TPM_LOG_FILE "${TPM_LOG_FILE}" +-#define TPM_CMD_BUF_SIZE 4096 ++#define TPM_CMD_BUF_SIZE 4088 + + #endif /* _CONFIG_H_ */ + |