From c9e6dcb08b5d6f68d05f658850c72f8888d8c533 Mon Sep 17 00:00:00 2001 From: Daniel De Graaf Date: Thu, 21 Mar 2013 16:11:23 -0400 Subject: 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 --- stubdom/Makefile | 1 + stubdom/vtpm-bufsize.patch | 13 +++++++++++++ 2 files changed, 14 insertions(+) create mode 100644 stubdom/vtpm-bufsize.patch (limited to 'stubdom') 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_ */ + -- cgit v1.2.3